pids.max
- A read-write single value file which exists on non-root cgroups. The
- default is "max".
+ A read-write single value file which exists on non-root
+ cgroups. The default is "max".
- Hard limit of number of processes.
+ Hard limit of number of processes.
pids.current
- A read-only single value file which exists on all cgroups.
+ A read-only single value file which exists on all cgroups.
- The number of processes currently in the cgroup and its descendants.
+ The number of processes currently in the cgroup and its
+ descendants.
Organisational operations are not blocked by cgroup policies, so it is
possible to have pids.current > pids.max. This can be done by either
For Axon it can be absent, though my current driver
doesn't handle phy-address yet so for now, keep
0x00ffffff in it.
+ - phy-handle : Used to describe configurations where a external PHY
+ is used. Please refer to:
+ Documentation/devicetree/bindings/net/ethernet.txt
- rx-fifo-size-gige : 1 cell, Rx fifo size in bytes for 1000 Mb/sec
operations (if absent the value is the same as
rx-fifo-size). For Axon, either absent or 2048.
offload, phandle of the TAH device node.
- tah-channel : 1 cell, optional. If appropriate, channel used on the
TAH engine.
+ - fixed-link : Fixed-link subnode describing a link to a non-MDIO
+ managed entity. See
+ Documentation/devicetree/bindings/net/fixed-link.txt
+ for details.
+ - mdio subnode : When the EMAC has a phy connected to its local
+ mdio, which us supported by the kernel's network
+ PHY library in drivers/net/phy, there must be device
+ tree subnode with the following required properties:
+ - #address-cells: Must be <1>.
+ - #size-cells: Must be <0>.
- Example:
+ For PHY definitions: Please refer to
+ Documentation/devicetree/bindings/net/phy.txt and
+ Documentation/devicetree/bindings/net/ethernet.txt
+
+ Examples:
EMAC0: ethernet@40000800 {
device_type = "network";
zmii-channel = <0>;
};
+ EMAC1: ethernet@ef600c00 {
+ device_type = "network";
+ compatible = "ibm,emac-apm821xx", "ibm,emac4sync";
+ interrupt-parent = <&EMAC1>;
+ interrupts = <0 1>;
+ #interrupt-cells = <1>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ interrupt-map = <0 &UIC2 0x10 IRQ_TYPE_LEVEL_HIGH /* Status */
+ 1 &UIC2 0x14 IRQ_TYPE_LEVEL_HIGH /* Wake */>;
+ reg = <0xef600c00 0x000000c4>;
+ local-mac-address = [000000000000]; /* Filled in by U-Boot */
+ mal-device = <&MAL0>;
+ mal-tx-channel = <0>;
+ mal-rx-channel = <0>;
+ cell-index = <0>;
+ max-frame-size = <9000>;
+ rx-fifo-size = <16384>;
+ tx-fifo-size = <2048>;
+ fifo-entry-size = <10>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy0>;
+ phy-map = <0x00000000>;
+ rgmii-device = <&RGMII0>;
+ rgmii-channel = <0>;
+ tah-device = <&TAH0>;
+ tah-channel = <0>;
+ has-inverted-stacr-oc;
+ has-new-stacr-staopc;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ };
+ };
+ };
+
+
ii) McMAL node
Required properties:
- revision : as provided by the RGMII new version register if
available.
For Axon: 0x0000012a
-
FALSE (router)
forwarding - BOOLEAN
- Enable IP forwarding on this interface.
+ Enable IP forwarding on this interface. This controls whether packets
+ received _on_ this interface can be forwarded.
mc_forwarding - BOOLEAN
Do multicast routing. The kernel needs to be compiled with CONFIG_MROUTE
394 common pkey_mprotect sys_pkey_mprotect
395 common pkey_alloc sys_pkey_alloc
396 common pkey_free sys_pkey_free
+397 common statx sys_statx
def_bool y
depends on COMPAT && SYSVIPC
+config KEYS_COMPAT
+ def_bool y
+ depends on COMPAT && KEYS
+
endmenu
menu "Power management options"
static inline bool system_uses_ttbr0_pan(void)
{
return IS_ENABLED(CONFIG_ARM64_SW_TTBR0_PAN) &&
- !cpus_have_cap(ARM64_HAS_PAN);
+ !cpus_have_const_cap(ARM64_HAS_PAN);
}
#endif /* __ASSEMBLY__ */
}
/**
- * cpu_suspend() - function to enter a low-power idle state
+ * arm_cpuidle_suspend() - function to enter a low-power idle state
* @arg: argument to pass to CPU suspend operations
*
* Return: 0 on success, -EOPNOTSUPP if CPU suspend hook not initialized, CPU
return 0;
}
-int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
- unsigned long val, void *data)
-{
- return NOTIFY_DONE;
-}
-
static void __kprobes kprobe_handler(struct pt_regs *regs)
{
struct kprobe *p, *cur_kprobe;
clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);
vmemmap_populate(kimg_shadow_start, kimg_shadow_end,
- pfn_to_nid(virt_to_pfn(_text)));
+ pfn_to_nid(virt_to_pfn(lm_alias(_text))));
/*
* vmemmap_populate() has populated the shadow region that covers the
}
#ifdef CONFIG_PPC64_BOOT_WRAPPER
+ . = ALIGN(256);
.got :
{
__toc_start = .;
{
u32 *key = crypto_tfm_ctx(tfm);
- *key = 0;
+ *key = ~0;
return 0;
}
#define PPC_BIT(bit) (1UL << PPC_BITLSHIFT(bit))
#define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
+/* Put a PPC bit into a "normal" bit position */
+#define PPC_BITEXTRACT(bits, ppc_bit, dst_bit) \
+ ((((bits) >> PPC_BITLSHIFT(ppc_bit)) & 1) << (dst_bit))
+
#include <asm/barrier.h>
/* Macro for generating the ***_bits() functions */
#define P8_DSISR_MC_SLB_ERRORS (P7_DSISR_MC_SLB_ERRORS | \
P8_DSISR_MC_ERAT_MULTIHIT_SEC)
+
+/*
+ * Machine Check bits on power9
+ */
+#define P9_SRR1_MC_LOADSTORE(srr1) (((srr1) >> PPC_BITLSHIFT(42)) & 1)
+
+#define P9_SRR1_MC_IFETCH(srr1) ( \
+ PPC_BITEXTRACT(srr1, 45, 0) | \
+ PPC_BITEXTRACT(srr1, 44, 1) | \
+ PPC_BITEXTRACT(srr1, 43, 2) | \
+ PPC_BITEXTRACT(srr1, 36, 3) )
+
+/* 0 is reserved */
+#define P9_SRR1_MC_IFETCH_UE 1
+#define P9_SRR1_MC_IFETCH_SLB_PARITY 2
+#define P9_SRR1_MC_IFETCH_SLB_MULTIHIT 3
+#define P9_SRR1_MC_IFETCH_ERAT_MULTIHIT 4
+#define P9_SRR1_MC_IFETCH_TLB_MULTIHIT 5
+#define P9_SRR1_MC_IFETCH_UE_TLB_RELOAD 6
+/* 7 is reserved */
+#define P9_SRR1_MC_IFETCH_LINK_TIMEOUT 8
+#define P9_SRR1_MC_IFETCH_LINK_TABLEWALK_TIMEOUT 9
+/* 10 ? */
+#define P9_SRR1_MC_IFETCH_RA 11
+#define P9_SRR1_MC_IFETCH_RA_TABLEWALK 12
+#define P9_SRR1_MC_IFETCH_RA_ASYNC_STORE 13
+#define P9_SRR1_MC_IFETCH_LINK_ASYNC_STORE_TIMEOUT 14
+#define P9_SRR1_MC_IFETCH_RA_TABLEWALK_FOREIGN 15
+
+/* DSISR bits for machine check (On Power9) */
+#define P9_DSISR_MC_UE (PPC_BIT(48))
+#define P9_DSISR_MC_UE_TABLEWALK (PPC_BIT(49))
+#define P9_DSISR_MC_LINK_LOAD_TIMEOUT (PPC_BIT(50))
+#define P9_DSISR_MC_LINK_TABLEWALK_TIMEOUT (PPC_BIT(51))
+#define P9_DSISR_MC_ERAT_MULTIHIT (PPC_BIT(52))
+#define P9_DSISR_MC_TLB_MULTIHIT_MFTLB (PPC_BIT(53))
+#define P9_DSISR_MC_USER_TLBIE (PPC_BIT(54))
+#define P9_DSISR_MC_SLB_PARITY_MFSLB (PPC_BIT(55))
+#define P9_DSISR_MC_SLB_MULTIHIT_MFSLB (PPC_BIT(56))
+#define P9_DSISR_MC_RA_LOAD (PPC_BIT(57))
+#define P9_DSISR_MC_RA_TABLEWALK (PPC_BIT(58))
+#define P9_DSISR_MC_RA_TABLEWALK_FOREIGN (PPC_BIT(59))
+#define P9_DSISR_MC_RA_FOREIGN (PPC_BIT(60))
+
+/* SLB error bits */
+#define P9_DSISR_MC_SLB_ERRORS (P9_DSISR_MC_ERAT_MULTIHIT | \
+ P9_DSISR_MC_SLB_PARITY_MFSLB | \
+ P9_DSISR_MC_SLB_MULTIHIT_MFSLB)
+
enum MCE_Version {
MCE_V1 = 1,
};
MCE_ERROR_TYPE_SLB = 2,
MCE_ERROR_TYPE_ERAT = 3,
MCE_ERROR_TYPE_TLB = 4,
+ MCE_ERROR_TYPE_USER = 5,
+ MCE_ERROR_TYPE_RA = 6,
+ MCE_ERROR_TYPE_LINK = 7,
};
enum MCE_UeErrorType {
MCE_TLB_ERROR_MULTIHIT = 2,
};
+enum MCE_UserErrorType {
+ MCE_USER_ERROR_INDETERMINATE = 0,
+ MCE_USER_ERROR_TLBIE = 1,
+};
+
+enum MCE_RaErrorType {
+ MCE_RA_ERROR_INDETERMINATE = 0,
+ MCE_RA_ERROR_IFETCH = 1,
+ MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH = 2,
+ MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN = 3,
+ MCE_RA_ERROR_LOAD = 4,
+ MCE_RA_ERROR_STORE = 5,
+ MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 6,
+ MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN = 7,
+ MCE_RA_ERROR_LOAD_STORE_FOREIGN = 8,
+};
+
+enum MCE_LinkErrorType {
+ MCE_LINK_ERROR_INDETERMINATE = 0,
+ MCE_LINK_ERROR_IFETCH_TIMEOUT = 1,
+ MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT = 2,
+ MCE_LINK_ERROR_LOAD_TIMEOUT = 3,
+ MCE_LINK_ERROR_STORE_TIMEOUT = 4,
+ MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT = 5,
+};
+
struct machine_check_event {
enum MCE_Version version:8; /* 0x00 */
uint8_t in_use; /* 0x01 */
uint64_t effective_address;
uint8_t reserved_2[16];
} tlb_error;
+
+ struct {
+ enum MCE_UserErrorType user_error_type:8;
+ uint8_t effective_address_provided;
+ uint8_t reserved_1[6];
+ uint64_t effective_address;
+ uint8_t reserved_2[16];
+ } user_error;
+
+ struct {
+ enum MCE_RaErrorType ra_error_type:8;
+ uint8_t effective_address_provided;
+ uint8_t reserved_1[6];
+ uint64_t effective_address;
+ uint8_t reserved_2[16];
+ } ra_error;
+
+ struct {
+ enum MCE_LinkErrorType link_error_type:8;
+ uint8_t effective_address_provided;
+ uint8_t reserved_1[6];
+ uint64_t effective_address;
+ uint8_t reserved_2[16];
+ } link_error;
} u;
};
enum MCE_SlbErrorType slb_error_type:8;
enum MCE_EratErrorType erat_error_type:8;
enum MCE_TlbErrorType tlb_error_type:8;
+ enum MCE_UserErrorType user_error_type:8;
+ enum MCE_RaErrorType ra_error_type:8;
+ enum MCE_LinkErrorType link_error_type:8;
} u;
- uint8_t reserved[2];
+ enum MCE_Severity severity:8;
+ enum MCE_Initiator initiator:8;
};
#define MAX_MC_EVT 100
extern void __flush_tlb_power9(unsigned int action);
extern long __machine_check_early_realmode_p7(struct pt_regs *regs);
extern long __machine_check_early_realmode_p8(struct pt_regs *regs);
+extern long __machine_check_early_realmode_p9(struct pt_regs *regs);
#endif /* CONFIG_PPC64 */
#if defined(CONFIG_E500)
extern void __setup_cpu_e5500(unsigned long offset, struct cpu_spec* spec);
.cpu_setup = __setup_cpu_power9,
.cpu_restore = __restore_cpu_power9,
.flush_tlb = __flush_tlb_power9,
+ .machine_check_early = __machine_check_early_realmode_p9,
.platform = "power9",
},
{ /* Power9 */
.cpu_setup = __setup_cpu_power9,
.cpu_restore = __restore_cpu_power9,
.flush_tlb = __flush_tlb_power9,
+ .machine_check_early = __machine_check_early_realmode_p9,
.platform = "power9",
},
{ /* Cell Broadband Engine */
case MCE_ERROR_TYPE_TLB:
mce->u.tlb_error.tlb_error_type = mce_err->u.tlb_error_type;
break;
+ case MCE_ERROR_TYPE_USER:
+ mce->u.user_error.user_error_type = mce_err->u.user_error_type;
+ break;
+ case MCE_ERROR_TYPE_RA:
+ mce->u.ra_error.ra_error_type = mce_err->u.ra_error_type;
+ break;
+ case MCE_ERROR_TYPE_LINK:
+ mce->u.link_error.link_error_type = mce_err->u.link_error_type;
+ break;
case MCE_ERROR_TYPE_UNKNOWN:
default:
break;
mce->gpr3 = regs->gpr[3];
mce->in_use = 1;
- mce->initiator = MCE_INITIATOR_CPU;
/* Mark it recovered if we have handled it and MSR(RI=1). */
if (handled && (regs->msr & MSR_RI))
mce->disposition = MCE_DISPOSITION_RECOVERED;
else
mce->disposition = MCE_DISPOSITION_NOT_RECOVERED;
- mce->severity = MCE_SEV_ERROR_SYNC;
+
+ mce->initiator = mce_err->initiator;
+ mce->severity = mce_err->severity;
/*
* Populate the mce error_type and type-specific error_type.
} else if (mce->error_type == MCE_ERROR_TYPE_ERAT) {
mce->u.erat_error.effective_address_provided = true;
mce->u.erat_error.effective_address = addr;
+ } else if (mce->error_type == MCE_ERROR_TYPE_USER) {
+ mce->u.user_error.effective_address_provided = true;
+ mce->u.user_error.effective_address = addr;
+ } else if (mce->error_type == MCE_ERROR_TYPE_RA) {
+ mce->u.ra_error.effective_address_provided = true;
+ mce->u.ra_error.effective_address = addr;
+ } else if (mce->error_type == MCE_ERROR_TYPE_LINK) {
+ mce->u.link_error.effective_address_provided = true;
+ mce->u.link_error.effective_address = addr;
} else if (mce->error_type == MCE_ERROR_TYPE_UE) {
mce->u.ue_error.effective_address_provided = true;
mce->u.ue_error.effective_address = addr;
"Parity",
"Multihit",
};
+ static const char *mc_user_types[] = {
+ "Indeterminate",
+ "tlbie(l) invalid",
+ };
+ static const char *mc_ra_types[] = {
+ "Indeterminate",
+ "Instruction fetch (bad)",
+ "Page table walk ifetch (bad)",
+ "Page table walk ifetch (foreign)",
+ "Load (bad)",
+ "Store (bad)",
+ "Page table walk Load/Store (bad)",
+ "Page table walk Load/Store (foreign)",
+ "Load/Store (foreign)",
+ };
+ static const char *mc_link_types[] = {
+ "Indeterminate",
+ "Instruction fetch (timeout)",
+ "Page table walk ifetch (timeout)",
+ "Load (timeout)",
+ "Store (timeout)",
+ "Page table walk Load/Store (timeout)",
+ };
/* Print things out */
if (evt->version != MCE_V1) {
printk("%s Effective address: %016llx\n",
level, evt->u.tlb_error.effective_address);
break;
+ case MCE_ERROR_TYPE_USER:
+ subtype = evt->u.user_error.user_error_type <
+ ARRAY_SIZE(mc_user_types) ?
+ mc_user_types[evt->u.user_error.user_error_type]
+ : "Unknown";
+ printk("%s Error type: User [%s]\n", level, subtype);
+ if (evt->u.user_error.effective_address_provided)
+ printk("%s Effective address: %016llx\n",
+ level, evt->u.user_error.effective_address);
+ break;
+ case MCE_ERROR_TYPE_RA:
+ subtype = evt->u.ra_error.ra_error_type <
+ ARRAY_SIZE(mc_ra_types) ?
+ mc_ra_types[evt->u.ra_error.ra_error_type]
+ : "Unknown";
+ printk("%s Error type: Real address [%s]\n", level, subtype);
+ if (evt->u.ra_error.effective_address_provided)
+ printk("%s Effective address: %016llx\n",
+ level, evt->u.ra_error.effective_address);
+ break;
+ case MCE_ERROR_TYPE_LINK:
+ subtype = evt->u.link_error.link_error_type <
+ ARRAY_SIZE(mc_link_types) ?
+ mc_link_types[evt->u.link_error.link_error_type]
+ : "Unknown";
+ printk("%s Error type: Link [%s]\n", level, subtype);
+ if (evt->u.link_error.effective_address_provided)
+ printk("%s Effective address: %016llx\n",
+ level, evt->u.link_error.effective_address);
+ break;
default:
case MCE_ERROR_TYPE_UNKNOWN:
printk("%s Error type: Unknown\n", level);
if (evt->u.tlb_error.effective_address_provided)
return evt->u.tlb_error.effective_address;
break;
+ case MCE_ERROR_TYPE_USER:
+ if (evt->u.user_error.effective_address_provided)
+ return evt->u.user_error.effective_address;
+ break;
+ case MCE_ERROR_TYPE_RA:
+ if (evt->u.ra_error.effective_address_provided)
+ return evt->u.ra_error.effective_address;
+ break;
+ case MCE_ERROR_TYPE_LINK:
+ if (evt->u.link_error.effective_address_provided)
+ return evt->u.link_error.effective_address;
+ break;
default:
case MCE_ERROR_TYPE_UNKNOWN:
break;
}
#endif
+static void flush_erat(void)
+{
+ asm volatile(PPC_INVALIDATE_ERAT : : :"memory");
+}
+
+#define MCE_FLUSH_SLB 1
+#define MCE_FLUSH_TLB 2
+#define MCE_FLUSH_ERAT 3
+
+static int mce_flush(int what)
+{
+#ifdef CONFIG_PPC_STD_MMU_64
+ if (what == MCE_FLUSH_SLB) {
+ flush_and_reload_slb();
+ return 1;
+ }
+#endif
+ if (what == MCE_FLUSH_ERAT) {
+ flush_erat();
+ return 1;
+ }
+ if (what == MCE_FLUSH_TLB) {
+ if (cur_cpu_spec && cur_cpu_spec->flush_tlb) {
+ cur_cpu_spec->flush_tlb(TLB_INVAL_SCOPE_GLOBAL);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int mce_handle_flush_derrors(uint64_t dsisr, uint64_t slb, uint64_t tlb, uint64_t erat)
+{
+ if ((dsisr & slb) && mce_flush(MCE_FLUSH_SLB))
+ dsisr &= ~slb;
+ if ((dsisr & erat) && mce_flush(MCE_FLUSH_ERAT))
+ dsisr &= ~erat;
+ if ((dsisr & tlb) && mce_flush(MCE_FLUSH_TLB))
+ dsisr &= ~tlb;
+ /* Any other errors we don't understand? */
+ if (dsisr)
+ return 0;
+ return 1;
+}
+
static long mce_handle_derror(uint64_t dsisr, uint64_t slb_error_bits)
{
long handled = 1;
long handled = 1;
struct mce_error_info mce_error_info = { 0 };
+ mce_error_info.severity = MCE_SEV_ERROR_SYNC;
+ mce_error_info.initiator = MCE_INITIATOR_CPU;
+
srr1 = regs->msr;
nip = regs->nip;
long handled = 1;
struct mce_error_info mce_error_info = { 0 };
+ mce_error_info.severity = MCE_SEV_ERROR_SYNC;
+ mce_error_info.initiator = MCE_INITIATOR_CPU;
+
srr1 = regs->msr;
nip = regs->nip;
save_mce_event(regs, handled, &mce_error_info, nip, addr);
return handled;
}
+
+static int mce_handle_derror_p9(struct pt_regs *regs)
+{
+ uint64_t dsisr = regs->dsisr;
+
+ return mce_handle_flush_derrors(dsisr,
+ P9_DSISR_MC_SLB_PARITY_MFSLB |
+ P9_DSISR_MC_SLB_MULTIHIT_MFSLB,
+
+ P9_DSISR_MC_TLB_MULTIHIT_MFTLB,
+
+ P9_DSISR_MC_ERAT_MULTIHIT);
+}
+
+static int mce_handle_ierror_p9(struct pt_regs *regs)
+{
+ uint64_t srr1 = regs->msr;
+
+ switch (P9_SRR1_MC_IFETCH(srr1)) {
+ case P9_SRR1_MC_IFETCH_SLB_PARITY:
+ case P9_SRR1_MC_IFETCH_SLB_MULTIHIT:
+ return mce_flush(MCE_FLUSH_SLB);
+ case P9_SRR1_MC_IFETCH_TLB_MULTIHIT:
+ return mce_flush(MCE_FLUSH_TLB);
+ case P9_SRR1_MC_IFETCH_ERAT_MULTIHIT:
+ return mce_flush(MCE_FLUSH_ERAT);
+ default:
+ return 0;
+ }
+}
+
+static void mce_get_derror_p9(struct pt_regs *regs,
+ struct mce_error_info *mce_err, uint64_t *addr)
+{
+ uint64_t dsisr = regs->dsisr;
+
+ mce_err->severity = MCE_SEV_ERROR_SYNC;
+ mce_err->initiator = MCE_INITIATOR_CPU;
+
+ if (dsisr & P9_DSISR_MC_USER_TLBIE)
+ *addr = regs->nip;
+ else
+ *addr = regs->dar;
+
+ if (dsisr & P9_DSISR_MC_UE) {
+ mce_err->error_type = MCE_ERROR_TYPE_UE;
+ mce_err->u.ue_error_type = MCE_UE_ERROR_LOAD_STORE;
+ } else if (dsisr & P9_DSISR_MC_UE_TABLEWALK) {
+ mce_err->error_type = MCE_ERROR_TYPE_UE;
+ mce_err->u.ue_error_type = MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE;
+ } else if (dsisr & P9_DSISR_MC_LINK_LOAD_TIMEOUT) {
+ mce_err->error_type = MCE_ERROR_TYPE_LINK;
+ mce_err->u.link_error_type = MCE_LINK_ERROR_LOAD_TIMEOUT;
+ } else if (dsisr & P9_DSISR_MC_LINK_TABLEWALK_TIMEOUT) {
+ mce_err->error_type = MCE_ERROR_TYPE_LINK;
+ mce_err->u.link_error_type = MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT;
+ } else if (dsisr & P9_DSISR_MC_ERAT_MULTIHIT) {
+ mce_err->error_type = MCE_ERROR_TYPE_ERAT;
+ mce_err->u.erat_error_type = MCE_ERAT_ERROR_MULTIHIT;
+ } else if (dsisr & P9_DSISR_MC_TLB_MULTIHIT_MFTLB) {
+ mce_err->error_type = MCE_ERROR_TYPE_TLB;
+ mce_err->u.tlb_error_type = MCE_TLB_ERROR_MULTIHIT;
+ } else if (dsisr & P9_DSISR_MC_USER_TLBIE) {
+ mce_err->error_type = MCE_ERROR_TYPE_USER;
+ mce_err->u.user_error_type = MCE_USER_ERROR_TLBIE;
+ } else if (dsisr & P9_DSISR_MC_SLB_PARITY_MFSLB) {
+ mce_err->error_type = MCE_ERROR_TYPE_SLB;
+ mce_err->u.slb_error_type = MCE_SLB_ERROR_PARITY;
+ } else if (dsisr & P9_DSISR_MC_SLB_MULTIHIT_MFSLB) {
+ mce_err->error_type = MCE_ERROR_TYPE_SLB;
+ mce_err->u.slb_error_type = MCE_SLB_ERROR_MULTIHIT;
+ } else if (dsisr & P9_DSISR_MC_RA_LOAD) {
+ mce_err->error_type = MCE_ERROR_TYPE_RA;
+ mce_err->u.ra_error_type = MCE_RA_ERROR_LOAD;
+ } else if (dsisr & P9_DSISR_MC_RA_TABLEWALK) {
+ mce_err->error_type = MCE_ERROR_TYPE_RA;
+ mce_err->u.ra_error_type = MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE;
+ } else if (dsisr & P9_DSISR_MC_RA_TABLEWALK_FOREIGN) {
+ mce_err->error_type = MCE_ERROR_TYPE_RA;
+ mce_err->u.ra_error_type = MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN;
+ } else if (dsisr & P9_DSISR_MC_RA_FOREIGN) {
+ mce_err->error_type = MCE_ERROR_TYPE_RA;
+ mce_err->u.ra_error_type = MCE_RA_ERROR_LOAD_STORE_FOREIGN;
+ }
+}
+
+static void mce_get_ierror_p9(struct pt_regs *regs,
+ struct mce_error_info *mce_err, uint64_t *addr)
+{
+ uint64_t srr1 = regs->msr;
+
+ switch (P9_SRR1_MC_IFETCH(srr1)) {
+ case P9_SRR1_MC_IFETCH_RA_ASYNC_STORE:
+ case P9_SRR1_MC_IFETCH_LINK_ASYNC_STORE_TIMEOUT:
+ mce_err->severity = MCE_SEV_FATAL;
+ break;
+ default:
+ mce_err->severity = MCE_SEV_ERROR_SYNC;
+ break;
+ }
+
+ mce_err->initiator = MCE_INITIATOR_CPU;
+
+ *addr = regs->nip;
+
+ switch (P9_SRR1_MC_IFETCH(srr1)) {
+ case P9_SRR1_MC_IFETCH_UE:
+ mce_err->error_type = MCE_ERROR_TYPE_UE;
+ mce_err->u.ue_error_type = MCE_UE_ERROR_IFETCH;
+ break;
+ case P9_SRR1_MC_IFETCH_SLB_PARITY:
+ mce_err->error_type = MCE_ERROR_TYPE_SLB;
+ mce_err->u.slb_error_type = MCE_SLB_ERROR_PARITY;
+ break;
+ case P9_SRR1_MC_IFETCH_SLB_MULTIHIT:
+ mce_err->error_type = MCE_ERROR_TYPE_SLB;
+ mce_err->u.slb_error_type = MCE_SLB_ERROR_MULTIHIT;
+ break;
+ case P9_SRR1_MC_IFETCH_ERAT_MULTIHIT:
+ mce_err->error_type = MCE_ERROR_TYPE_ERAT;
+ mce_err->u.erat_error_type = MCE_ERAT_ERROR_MULTIHIT;
+ break;
+ case P9_SRR1_MC_IFETCH_TLB_MULTIHIT:
+ mce_err->error_type = MCE_ERROR_TYPE_TLB;
+ mce_err->u.tlb_error_type = MCE_TLB_ERROR_MULTIHIT;
+ break;
+ case P9_SRR1_MC_IFETCH_UE_TLB_RELOAD:
+ mce_err->error_type = MCE_ERROR_TYPE_UE;
+ mce_err->u.ue_error_type = MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH;
+ break;
+ case P9_SRR1_MC_IFETCH_LINK_TIMEOUT:
+ mce_err->error_type = MCE_ERROR_TYPE_LINK;
+ mce_err->u.link_error_type = MCE_LINK_ERROR_IFETCH_TIMEOUT;
+ break;
+ case P9_SRR1_MC_IFETCH_LINK_TABLEWALK_TIMEOUT:
+ mce_err->error_type = MCE_ERROR_TYPE_LINK;
+ mce_err->u.link_error_type = MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT;
+ break;
+ case P9_SRR1_MC_IFETCH_RA:
+ mce_err->error_type = MCE_ERROR_TYPE_RA;
+ mce_err->u.ra_error_type = MCE_RA_ERROR_IFETCH;
+ break;
+ case P9_SRR1_MC_IFETCH_RA_TABLEWALK:
+ mce_err->error_type = MCE_ERROR_TYPE_RA;
+ mce_err->u.ra_error_type = MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH;
+ break;
+ case P9_SRR1_MC_IFETCH_RA_ASYNC_STORE:
+ mce_err->error_type = MCE_ERROR_TYPE_RA;
+ mce_err->u.ra_error_type = MCE_RA_ERROR_STORE;
+ break;
+ case P9_SRR1_MC_IFETCH_LINK_ASYNC_STORE_TIMEOUT:
+ mce_err->error_type = MCE_ERROR_TYPE_LINK;
+ mce_err->u.link_error_type = MCE_LINK_ERROR_STORE_TIMEOUT;
+ break;
+ case P9_SRR1_MC_IFETCH_RA_TABLEWALK_FOREIGN:
+ mce_err->error_type = MCE_ERROR_TYPE_RA;
+ mce_err->u.ra_error_type = MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN;
+ break;
+ default:
+ break;
+ }
+}
+
+long __machine_check_early_realmode_p9(struct pt_regs *regs)
+{
+ uint64_t nip, addr;
+ long handled;
+ struct mce_error_info mce_error_info = { 0 };
+
+ nip = regs->nip;
+
+ if (P9_SRR1_MC_LOADSTORE(regs->msr)) {
+ handled = mce_handle_derror_p9(regs);
+ mce_get_derror_p9(regs, &mce_error_info, &addr);
+ } else {
+ handled = mce_handle_ierror_p9(regs);
+ mce_get_ierror_p9(regs, &mce_error_info, &addr);
+ }
+
+ /* Handle UE error. */
+ if (mce_error_info.error_type == MCE_ERROR_TYPE_UE)
+ handled = mce_handle_ue_error(regs);
+
+ save_mce_event(regs, handled, &mce_error_info, nip, addr);
+ return handled;
+}
sdsync = POWER7P_MMCRA_SDAR_VALID;
else if (ppmu->flags & PPMU_ALT_SIPR)
sdsync = POWER6_MMCRA_SDSYNC;
+ else if (ppmu->flags & PPMU_NO_SIAR)
+ sdsync = MMCRA_SAMPLE_ENABLE;
else
sdsync = MMCRA_SDSYNC;
return !(event & ~valid_mask);
}
-static u64 mmcra_sdar_mode(u64 event)
+static inline bool is_event_marked(u64 event)
{
- if (cpu_has_feature(CPU_FTR_ARCH_300) && !cpu_has_feature(CPU_FTR_POWER9_DD1))
- return p9_SDAR_MODE(event) << MMCRA_SDAR_MODE_SHIFT;
+ if (event & EVENT_IS_MARKED)
+ return true;
+
+ return false;
+}
- return MMCRA_SDAR_MODE_TLB;
+static void mmcra_sdar_mode(u64 event, unsigned long *mmcra)
+{
+ /*
+ * MMCRA[SDAR_MODE] specifices how the SDAR should be updated in
+ * continous sampling mode.
+ *
+ * Incase of Power8:
+ * MMCRA[SDAR_MODE] will be programmed as "0b01" for continous sampling
+ * mode and will be un-changed when setting MMCRA[63] (Marked events).
+ *
+ * Incase of Power9:
+ * Marked event: MMCRA[SDAR_MODE] will be set to 0b00 ('No Updates'),
+ * or if group already have any marked events.
+ * Non-Marked events (for DD1):
+ * MMCRA[SDAR_MODE] will be set to 0b01
+ * For rest
+ * MMCRA[SDAR_MODE] will be set from event code.
+ */
+ if (cpu_has_feature(CPU_FTR_ARCH_300)) {
+ if (is_event_marked(event) || (*mmcra & MMCRA_SAMPLE_ENABLE))
+ *mmcra &= MMCRA_SDAR_MODE_NO_UPDATES;
+ else if (!cpu_has_feature(CPU_FTR_POWER9_DD1))
+ *mmcra |= p9_SDAR_MODE(event) << MMCRA_SDAR_MODE_SHIFT;
+ else if (cpu_has_feature(CPU_FTR_POWER9_DD1))
+ *mmcra |= MMCRA_SDAR_MODE_TLB;
+ } else
+ *mmcra |= MMCRA_SDAR_MODE_TLB;
}
static u64 thresh_cmp_val(u64 value)
value |= CNST_L1_QUAL_VAL(cache);
}
- if (event & EVENT_IS_MARKED) {
+ if (is_event_marked(event)) {
mask |= CNST_SAMPLE_MASK;
value |= CNST_SAMPLE_VAL(event >> EVENT_SAMPLE_SHIFT);
}
}
/* In continuous sampling mode, update SDAR on TLB miss */
- mmcra |= mmcra_sdar_mode(event[i]);
+ mmcra_sdar_mode(event[i], &mmcra);
if (event[i] & EVENT_IS_L1) {
cache = event[i] >> EVENT_CACHE_SEL_SHIFT;
mmcr1 |= (cache & 1) << MMCR1_DC_QUAL_SHIFT;
}
- if (event[i] & EVENT_IS_MARKED) {
+ if (is_event_marked(event[i])) {
mmcra |= MMCRA_SAMPLE_ENABLE;
val = (event[i] >> EVENT_SAMPLE_SHIFT) & EVENT_SAMPLE_MASK;
#define MMCRA_THR_CMP_SHIFT 32
#define MMCRA_SDAR_MODE_SHIFT 42
#define MMCRA_SDAR_MODE_TLB (1ull << MMCRA_SDAR_MODE_SHIFT)
+#define MMCRA_SDAR_MODE_NO_UPDATES ~(0x3ull << MMCRA_SDAR_MODE_SHIFT)
#define MMCRA_IFM_SHIFT 30
/* MMCR1 Threshold Compare bit constant for power9 */
struct machine_check_event *evt)
{
int recovered = 0;
- uint64_t ea = get_mce_fault_addr(evt);
if (!(regs->msr & MSR_RI)) {
/* If MSR_RI isn't set, we cannot recover */
} else if (evt->disposition == MCE_DISPOSITION_RECOVERED) {
/* Platform corrected itself */
recovered = 1;
- } else if (ea && !is_kernel_addr(ea)) {
+ } else if (evt->severity == MCE_SEV_FATAL) {
+ /* Fatal machine check */
+ pr_err("Machine check interrupt is fatal\n");
+ recovered = 0;
+ } else if ((evt->severity == MCE_SEV_ERROR_SYNC) &&
+ (user_mode(regs) && !is_global_init(current))) {
/*
- * Faulting address is not in kernel text. We should be fine.
- * We need to find which process uses this address.
* For now, kill the task if we have received exception when
* in userspace.
*
* TODO: Queue up this address for hwpoisioning later.
*/
- if (user_mode(regs) && !is_global_init(current)) {
- _exception(SIGBUS, regs, BUS_MCEERR_AR, regs->nip);
- recovered = 1;
- } else
- recovered = 0;
- } else if (user_mode(regs) && !is_global_init(current) &&
- evt->severity == MCE_SEV_ERROR_SYNC) {
- /*
- * If we have received a synchronous error when in userspace
- * kill the task.
- */
_exception(SIGBUS, regs, BUS_MCEERR_AR, regs->nip);
recovered = 1;
}
}
static void pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe,
- struct pci_bus *bus)
+ struct pci_bus *bus,
+ bool add_to_group)
{
struct pci_dev *dev;
list_for_each_entry(dev, &bus->devices, bus_list) {
set_iommu_table_base(&dev->dev, pe->table_group.tables[0]);
set_dma_offset(&dev->dev, pe->tce_bypass_base);
- iommu_add_device(&dev->dev);
+ if (add_to_group)
+ iommu_add_device(&dev->dev);
if ((pe->flags & PNV_IODA_PE_BUS_ALL) && dev->subordinate)
- pnv_ioda_setup_bus_dma(pe, dev->subordinate);
+ pnv_ioda_setup_bus_dma(pe, dev->subordinate,
+ add_to_group);
}
}
set_iommu_table_base(&pe->pdev->dev, tbl);
iommu_add_device(&pe->pdev->dev);
} else if (pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL))
- pnv_ioda_setup_bus_dma(pe, pe->pbus);
+ pnv_ioda_setup_bus_dma(pe, pe->pbus, true);
return;
fail:
pnv_pci_ioda2_set_bypass(pe, false);
pnv_pci_ioda2_unset_window(&pe->table_group, 0);
+ if (pe->pbus)
+ pnv_ioda_setup_bus_dma(pe, pe->pbus, false);
pnv_ioda2_table_free(tbl);
}
table_group);
pnv_pci_ioda2_setup_default_config(pe);
+ if (pe->pbus)
+ pnv_ioda_setup_bus_dma(pe, pe->pbus, false);
}
static struct iommu_table_group_ops pnv_pci_ioda2_ops = {
level_shift = entries_shift + 3;
level_shift = max_t(unsigned, level_shift, PAGE_SHIFT);
+ if ((level_shift - 3) * levels + page_shift >= 60)
+ return -EINVAL;
+
/* Allocate TCE table */
addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift,
levels, tce_table_size, &offset, &total_allocated);
if (pe->flags & PNV_IODA_PE_DEV)
iommu_add_device(&pe->pdev->dev);
else if (pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL))
- pnv_ioda_setup_bus_dma(pe, pe->pbus);
+ pnv_ioda_setup_bus_dma(pe, pe->pbus, true);
}
#ifdef CONFIG_PCI_MSI
static void refresh_pce(void *ignored)
{
- if (current->mm)
- load_mm_cr4(current->mm);
+ if (current->active_mm)
+ load_mm_cr4(current->active_mm);
}
static void x86_pmu_event_mapped(struct perf_event *event)
if (!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED))
return;
+ /*
+ * This function relies on not being called concurrently in two
+ * tasks in the same mm. Otherwise one task could observe
+ * perf_rdpmc_allowed > 1 and return all the way back to
+ * userspace with CR4.PCE clear while another task is still
+ * doing on_each_cpu_mask() to propagate CR4.PCE.
+ *
+ * For now, this can't happen because all callers hold mmap_sem
+ * for write. If this changes, we'll need a different solution.
+ */
+ lockdep_assert_held_exclusive(¤t->mm->mmap_sem);
+
if (atomic_inc_return(¤t->mm->context.perf_rdpmc_allowed) == 1)
on_each_cpu_mask(mm_cpumask(current->mm), refresh_pce, NULL, 1);
}
*(tmp + 1) = 0;
}
-#if !defined(CONFIG_SMP) || (defined(CONFIG_HIGHMEM64G) && \
- defined(CONFIG_PARAVIRT))
static inline void native_pud_clear(pud_t *pudp)
{
}
-#endif
static inline void pud_clear(pud_t *pudp)
{
# define set_pud(pudp, pud) native_set_pud(pudp, pud)
#endif
-#ifndef __PAGETABLE_PMD_FOLDED
+#ifndef __PAGETABLE_PUD_FOLDED
#define pud_clear(pud) native_pud_clear(pud)
#endif
return -EINVAL;
}
+ if (!enabled) {
+ ++disabled_cpus;
+ return -EINVAL;
+ }
+
if (boot_cpu_physical_apicid != -1U)
ver = boot_cpu_apic_version;
- cpu = __generic_processor_info(id, ver, enabled);
+ cpu = generic_processor_info(id, ver);
if (cpu >= 0)
early_per_cpu(x86_cpu_to_acpiid, cpu) = acpiid;
#ifdef CONFIG_ACPI_HOTPLUG_CPU
#include <acpi/processor.h>
-int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
+static int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
{
#ifdef CONFIG_ACPI_NUMA
int nid;
return nr_logical_cpuids++;
}
-int __generic_processor_info(int apicid, int version, bool enabled)
+int generic_processor_info(int apicid, int version)
{
int cpu, max = nr_cpu_ids;
bool boot_cpu_detected = physid_isset(boot_cpu_physical_apicid,
if (num_processors >= nr_cpu_ids) {
int thiscpu = max + disabled_cpus;
- if (enabled) {
- pr_warning("APIC: NR_CPUS/possible_cpus limit of %i "
- "reached. Processor %d/0x%x ignored.\n",
- max, thiscpu, apicid);
- }
+ pr_warning("APIC: NR_CPUS/possible_cpus limit of %i "
+ "reached. Processor %d/0x%x ignored.\n",
+ max, thiscpu, apicid);
disabled_cpus++;
return -EINVAL;
apic->x86_32_early_logical_apicid(cpu);
#endif
set_cpu_possible(cpu, true);
-
- if (enabled) {
- num_processors++;
- physid_set(apicid, phys_cpu_present_map);
- set_cpu_present(cpu, true);
- } else {
- disabled_cpus++;
- }
+ physid_set(apicid, phys_cpu_present_map);
+ set_cpu_present(cpu, true);
+ num_processors++;
return cpu;
}
-int generic_processor_info(int apicid, int version)
-{
- return __generic_processor_info(apicid, version, true);
-}
-
int hard_smp_processor_id(void)
{
return read_apic_id();
if (atomic_dec_and_test(&rdtgrp->waitcount) &&
(rdtgrp->flags & RDT_DELETED)) {
kernfs_unbreak_active_protection(kn);
- kernfs_put(kn);
+ kernfs_put(rdtgrp->kn);
kfree(rdtgrp);
} else {
kernfs_unbreak_active_protection(kn);
* Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
*/
+#define DISABLE_BRANCH_PROFILING
#include <linux/init.h>
#include <linux/linkage.h>
#include <linux/types.h>
spin_lock_irqsave(&desc->lock, flags);
/*
- * most handlers of type NMI_UNKNOWN never return because
- * they just assume the NMI is theirs. Just a sanity check
- * to manage expectations
+ * Indicate if there are multiple registrations on the
+ * internal NMI handler call chains (SERR and IO_CHECK).
*/
- WARN_ON_ONCE(type == NMI_UNKNOWN && !list_empty(&desc->head));
WARN_ON_ONCE(type == NMI_SERR && !list_empty(&desc->head));
WARN_ON_ONCE(type == NMI_IO_CHECK && !list_empty(&desc->head));
* the refined calibration and directly register it as a clocksource.
*/
if (boot_cpu_has(X86_FEATURE_TSC_KNOWN_FREQ)) {
+ if (boot_cpu_has(X86_FEATURE_ART))
+ art_related_clocksource = &clocksource_tsc;
clocksource_register_khz(&clocksource_tsc, tsc_khz);
return 0;
}
return sizeof(*regs);
}
+#ifdef CONFIG_X86_32
+#define GCC_REALIGN_WORDS 3
+#else
+#define GCC_REALIGN_WORDS 1
+#endif
+
static bool is_last_task_frame(struct unwind_state *state)
{
- unsigned long bp = (unsigned long)state->bp;
- unsigned long regs = (unsigned long)task_pt_regs(state->task);
+ unsigned long *last_bp = (unsigned long *)task_pt_regs(state->task) - 2;
+ unsigned long *aligned_bp = last_bp - GCC_REALIGN_WORDS;
/*
* We have to check for the last task frame at two different locations
* because gcc can occasionally decide to realign the stack pointer and
- * change the offset of the stack frame by a word in the prologue of a
- * function called by head/entry code.
+ * change the offset of the stack frame in the prologue of a function
+ * called by head/entry code. Examples:
+ *
+ * <start_secondary>:
+ * push %edi
+ * lea 0x8(%esp),%edi
+ * and $0xfffffff8,%esp
+ * pushl -0x4(%edi)
+ * push %ebp
+ * mov %esp,%ebp
+ *
+ * <x86_64_start_kernel>:
+ * lea 0x8(%rsp),%r10
+ * and $0xfffffffffffffff0,%rsp
+ * pushq -0x8(%r10)
+ * push %rbp
+ * mov %rsp,%rbp
+ *
+ * Note that after aligning the stack, it pushes a duplicate copy of
+ * the return address before pushing the frame pointer.
*/
- return bp == regs - FRAME_HEADER_SIZE ||
- bp == regs - FRAME_HEADER_SIZE - sizeof(long);
+ return (state->bp == last_bp ||
+ (state->bp == aligned_bp && *(aligned_bp+1) == *(last_bp+1)));
}
/*
+#define DISABLE_BRANCH_PROFILING
#define pr_fmt(fmt) "kasan: " fmt
#include <linux/bootmem.h>
#include <linux/kasan.h>
* we might run off the end of the bounds table if we are on
* a 64-bit kernel and try to get 8 bytes.
*/
-int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret,
+static int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret,
long __user *bd_entry_ptr)
{
u32 bd_entry_32;
obj-$(subst m,y,$(CONFIG_GPIO_PCA953X)) += platform_tca6416.o
# MISC Devices
obj-$(subst m,y,$(CONFIG_KEYBOARD_GPIO)) += platform_gpio_keys.o
+obj-$(subst m,y,$(CONFIG_INTEL_MID_POWER_BUTTON)) += platform_mrfld_power_btn.o
obj-$(subst m,y,$(CONFIG_RTC_DRV_CMOS)) += platform_mrfld_rtc.o
obj-$(subst m,y,$(CONFIG_INTEL_MID_WATCHDOG)) += platform_mrfld_wdt.o
--- /dev/null
+/*
+ * Intel Merrifield power button support
+ *
+ * (C) Copyright 2017 Intel Corporation
+ *
+ * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/sfi.h>
+
+#include <asm/intel-mid.h>
+#include <asm/intel_scu_ipc.h>
+
+static struct resource mrfld_power_btn_resources[] = {
+ {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mrfld_power_btn_dev = {
+ .name = "msic_power_btn",
+ .id = PLATFORM_DEVID_NONE,
+ .num_resources = ARRAY_SIZE(mrfld_power_btn_resources),
+ .resource = mrfld_power_btn_resources,
+};
+
+static int mrfld_power_btn_scu_status_change(struct notifier_block *nb,
+ unsigned long code, void *data)
+{
+ if (code == SCU_DOWN) {
+ platform_device_unregister(&mrfld_power_btn_dev);
+ return 0;
+ }
+
+ return platform_device_register(&mrfld_power_btn_dev);
+}
+
+static struct notifier_block mrfld_power_btn_scu_notifier = {
+ .notifier_call = mrfld_power_btn_scu_status_change,
+};
+
+static int __init register_mrfld_power_btn(void)
+{
+ if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER)
+ return -ENODEV;
+
+ /*
+ * We need to be sure that the SCU IPC is ready before
+ * PMIC power button device can be registered:
+ */
+ intel_scu_notifier_add(&mrfld_power_btn_scu_notifier);
+
+ return 0;
+}
+arch_initcall(register_mrfld_power_btn);
+
+static void __init *mrfld_power_btn_platform_data(void *info)
+{
+ struct resource *res = mrfld_power_btn_resources;
+ struct sfi_device_table_entry *pentry = info;
+
+ res->start = res->end = pentry->irq;
+ return NULL;
+}
+
+static const struct devs_id mrfld_power_btn_dev_id __initconst = {
+ .name = "bcove_power_btn",
+ .type = SFI_DEV_TYPE_IPC,
+ .delay = 1,
+ .msic = 1,
+ .get_platform_data = &mrfld_power_btn_platform_data,
+};
+
+sfi_device(mrfld_power_btn_dev_id);
#include <asm/intel_scu_ipc.h>
#include <asm/io_apic.h>
-#define TANGIER_EXT_TIMER0_MSI 15
+#define TANGIER_EXT_TIMER0_MSI 12
static struct platform_device wdt_dev = {
.name = "intel_mid_wdt",
#include "intel_mid_weak_decls.h"
-static void penwell_arch_setup(void);
-/* penwell arch ops */
-static struct intel_mid_ops penwell_ops = {
- .arch_setup = penwell_arch_setup,
-};
-
-static void mfld_power_off(void)
-{
-}
-
static unsigned long __init mfld_calibrate_tsc(void)
{
unsigned long fast_calibrate;
static void __init penwell_arch_setup(void)
{
x86_platform.calibrate_tsc = mfld_calibrate_tsc;
- pm_power_off = mfld_power_off;
}
+static struct intel_mid_ops penwell_ops = {
+ .arch_setup = penwell_arch_setup,
+};
+
void *get_penwell_ops(void)
{
return &penwell_ops;
bio_list_init(&punt);
bio_list_init(&nopunt);
- while ((bio = bio_list_pop(current->bio_list)))
+ while ((bio = bio_list_pop(¤t->bio_list[0])))
bio_list_add(bio->bi_pool == bs ? &punt : &nopunt, bio);
+ current->bio_list[0] = nopunt;
- *current->bio_list = nopunt;
+ bio_list_init(&nopunt);
+ while ((bio = bio_list_pop(¤t->bio_list[1])))
+ bio_list_add(bio->bi_pool == bs ? &punt : &nopunt, bio);
+ current->bio_list[1] = nopunt;
spin_lock(&bs->rescue_lock);
bio_list_merge(&bs->rescue_list, &punt);
* we retry with the original gfp_flags.
*/
- if (current->bio_list && !bio_list_empty(current->bio_list))
+ if (current->bio_list &&
+ (!bio_list_empty(¤t->bio_list[0]) ||
+ !bio_list_empty(¤t->bio_list[1])))
gfp_mask &= ~__GFP_DIRECT_RECLAIM;
p = mempool_alloc(bs->bio_pool, gfp_mask);
*/
blk_qc_t generic_make_request(struct bio *bio)
{
- struct bio_list bio_list_on_stack;
+ /*
+ * bio_list_on_stack[0] contains bios submitted by the current
+ * make_request_fn.
+ * bio_list_on_stack[1] contains bios that were submitted before
+ * the current make_request_fn, but that haven't been processed
+ * yet.
+ */
+ struct bio_list bio_list_on_stack[2];
blk_qc_t ret = BLK_QC_T_NONE;
if (!generic_make_request_checks(bio))
* should be added at the tail
*/
if (current->bio_list) {
- bio_list_add(current->bio_list, bio);
+ bio_list_add(¤t->bio_list[0], bio);
goto out;
}
* bio_list, and call into ->make_request() again.
*/
BUG_ON(bio->bi_next);
- bio_list_init(&bio_list_on_stack);
- current->bio_list = &bio_list_on_stack;
+ bio_list_init(&bio_list_on_stack[0]);
+ current->bio_list = bio_list_on_stack;
do {
struct request_queue *q = bdev_get_queue(bio->bi_bdev);
if (likely(blk_queue_enter(q, false) == 0)) {
- struct bio_list hold;
struct bio_list lower, same;
/* Create a fresh bio_list for all subordinate requests */
- hold = bio_list_on_stack;
- bio_list_init(&bio_list_on_stack);
+ bio_list_on_stack[1] = bio_list_on_stack[0];
+ bio_list_init(&bio_list_on_stack[0]);
ret = q->make_request_fn(q, bio);
blk_queue_exit(q);
*/
bio_list_init(&lower);
bio_list_init(&same);
- while ((bio = bio_list_pop(&bio_list_on_stack)) != NULL)
+ while ((bio = bio_list_pop(&bio_list_on_stack[0])) != NULL)
if (q == bdev_get_queue(bio->bi_bdev))
bio_list_add(&same, bio);
else
bio_list_add(&lower, bio);
/* now assemble so we handle the lowest level first */
- bio_list_merge(&bio_list_on_stack, &lower);
- bio_list_merge(&bio_list_on_stack, &same);
- bio_list_merge(&bio_list_on_stack, &hold);
+ bio_list_merge(&bio_list_on_stack[0], &lower);
+ bio_list_merge(&bio_list_on_stack[0], &same);
+ bio_list_merge(&bio_list_on_stack[0], &bio_list_on_stack[1]);
} else {
bio_io_error(bio);
}
- bio = bio_list_pop(current->bio_list);
+ bio = bio_list_pop(&bio_list_on_stack[0]);
} while (bio);
current->bio_list = NULL; /* deactivate */
for (i = 0; i < set->nr_hw_queues; i++) {
struct blk_mq_tags *tags = set->tags[i];
+ if (!tags)
+ continue;
+
for (j = 0; j < tags->nr_tags; j++) {
if (!tags->static_rqs[j])
continue;
return blk_tag_to_qc_t(rq->internal_tag, hctx->queue_num, true);
}
-static void blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie)
+static void blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie,
+ bool may_sleep)
{
struct request_queue *q = rq->q;
struct blk_mq_queue_data bd = {
}
insert:
- blk_mq_sched_insert_request(rq, false, true, true, false);
+ blk_mq_sched_insert_request(rq, false, true, false, may_sleep);
}
/*
if (!(data.hctx->flags & BLK_MQ_F_BLOCKING)) {
rcu_read_lock();
- blk_mq_try_issue_directly(old_rq, &cookie);
+ blk_mq_try_issue_directly(old_rq, &cookie, false);
rcu_read_unlock();
} else {
srcu_idx = srcu_read_lock(&data.hctx->queue_rq_srcu);
- blk_mq_try_issue_directly(old_rq, &cookie);
+ blk_mq_try_issue_directly(old_rq, &cookie, true);
srcu_read_unlock(&data.hctx->queue_rq_srcu, srcu_idx);
}
goto done;
return err;
}
-int af_alg_accept(struct sock *sk, struct socket *newsock)
+int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern)
{
struct alg_sock *ask = alg_sk(sk);
const struct af_alg_type *type;
if (!type)
goto unlock;
- sk2 = sk_alloc(sock_net(sk), PF_ALG, GFP_KERNEL, &alg_proto, 0);
+ sk2 = sk_alloc(sock_net(sk), PF_ALG, GFP_KERNEL, &alg_proto, kern);
err = -ENOMEM;
if (!sk2)
goto unlock;
}
EXPORT_SYMBOL_GPL(af_alg_accept);
-static int alg_accept(struct socket *sock, struct socket *newsock, int flags)
+static int alg_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
- return af_alg_accept(sock->sk, newsock);
+ return af_alg_accept(sock->sk, newsock, kern);
}
static const struct proto_ops alg_proto_ops = {
return err ?: len;
}
-static int hash_accept(struct socket *sock, struct socket *newsock, int flags)
+static int hash_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
if (err)
return err;
- err = af_alg_accept(ask->parent, newsock);
+ err = af_alg_accept(ask->parent, newsock, kern);
if (err)
return err;
}
static int hash_accept_nokey(struct socket *sock, struct socket *newsock,
- int flags)
+ int flags, bool kern)
{
int err;
if (err)
return err;
- return hash_accept(sock, newsock, flags);
+ return hash_accept(sock, newsock, flags, kern);
}
static struct proto_ops algif_hash_ops_nokey = {
void __weak arch_unregister_cpu(int cpu) {}
-int __weak acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
-{
- return -ENODEV;
-}
-
static int acpi_processor_hotadd_init(struct acpi_processor *pr)
{
unsigned long long sta;
pr->acpi_id = value;
}
+ if (acpi_duplicate_processor_id(pr->acpi_id)) {
+ dev_err(&device->dev,
+ "Failed to get unique processor _UID (0x%x)\n",
+ pr->acpi_id);
+ return -ENODEV;
+ }
+
pr->phys_id = acpi_get_phys_id(pr->handle, device_declaration,
pr->acpi_id);
if (invalid_phys_cpuid(pr->phys_id))
static int nr_unique_ids __initdata;
/* The number of the duplicate processor IDs */
-static int nr_duplicate_ids __initdata;
+static int nr_duplicate_ids;
/* Used to store the unique processor IDs */
static int unique_processor_ids[] __initdata = {
};
/* Used to store the duplicate processor IDs */
-static int duplicate_processor_ids[] __initdata = {
+static int duplicate_processor_ids[] = {
[0 ... NR_CPUS - 1] = -1,
};
void **rv)
{
acpi_status status;
+ acpi_object_type acpi_type;
+ unsigned long long uid;
union acpi_object object = { 0 };
struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
- status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
+ status = acpi_get_type(handle, &acpi_type);
if (ACPI_FAILURE(status))
- acpi_handle_info(handle, "Not get the processor object\n");
- else
- processor_validated_ids_update(object.processor.proc_id);
+ return false;
+
+ switch (acpi_type) {
+ case ACPI_TYPE_PROCESSOR:
+ status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
+ if (ACPI_FAILURE(status))
+ goto err;
+ uid = object.processor.proc_id;
+ break;
+
+ case ACPI_TYPE_DEVICE:
+ status = acpi_evaluate_integer(handle, "_UID", NULL, &uid);
+ if (ACPI_FAILURE(status))
+ goto err;
+ break;
+ default:
+ goto err;
+ }
+
+ processor_validated_ids_update(uid);
+ return true;
+
+err:
+ acpi_handle_info(handle, "Invalid processor object\n");
+ return false;
- return AE_OK;
}
-static void __init acpi_processor_check_duplicates(void)
+void __init acpi_processor_check_duplicates(void)
{
- /* Search all processor nodes in ACPI namespace */
+ /* check the correctness for all processors in ACPI namespace */
acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
acpi_processor_ids_walk,
NULL, NULL, NULL);
+ acpi_get_devices(ACPI_PROCESSOR_DEVICE_HID, acpi_processor_ids_walk,
+ NULL, NULL);
}
-bool __init acpi_processor_validate_proc_id(int proc_id)
+bool acpi_duplicate_processor_id(int proc_id)
{
int i;
acpi_wakeup_device_init();
acpi_debugger_init();
acpi_setup_sb_notify_handler();
- acpi_set_processor_mapping();
return 0;
}
}
static int map_lapic_id(struct acpi_subtable_header *entry,
- u32 acpi_id, phys_cpuid_t *apic_id, bool ignore_disabled)
+ u32 acpi_id, phys_cpuid_t *apic_id)
{
struct acpi_madt_local_apic *lapic =
container_of(entry, struct acpi_madt_local_apic, header);
- if (ignore_disabled && !(lapic->lapic_flags & ACPI_MADT_ENABLED))
+ if (!(lapic->lapic_flags & ACPI_MADT_ENABLED))
return -ENODEV;
if (lapic->processor_id != acpi_id)
}
static int map_x2apic_id(struct acpi_subtable_header *entry,
- int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id,
- bool ignore_disabled)
+ int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id)
{
struct acpi_madt_local_x2apic *apic =
container_of(entry, struct acpi_madt_local_x2apic, header);
- if (ignore_disabled && !(apic->lapic_flags & ACPI_MADT_ENABLED))
+ if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
return -ENODEV;
if (device_declaration && (apic->uid == acpi_id)) {
}
static int map_lsapic_id(struct acpi_subtable_header *entry,
- int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id,
- bool ignore_disabled)
+ int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id)
{
struct acpi_madt_local_sapic *lsapic =
container_of(entry, struct acpi_madt_local_sapic, header);
- if (ignore_disabled && !(lsapic->lapic_flags & ACPI_MADT_ENABLED))
+ if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))
return -ENODEV;
if (device_declaration) {
* Retrieve the ARM CPU physical identifier (MPIDR)
*/
static int map_gicc_mpidr(struct acpi_subtable_header *entry,
- int device_declaration, u32 acpi_id, phys_cpuid_t *mpidr,
- bool ignore_disabled)
+ int device_declaration, u32 acpi_id, phys_cpuid_t *mpidr)
{
struct acpi_madt_generic_interrupt *gicc =
container_of(entry, struct acpi_madt_generic_interrupt, header);
- if (ignore_disabled && !(gicc->flags & ACPI_MADT_ENABLED))
+ if (!(gicc->flags & ACPI_MADT_ENABLED))
return -ENODEV;
/* device_declaration means Device object in DSDT, in the
}
static phys_cpuid_t map_madt_entry(struct acpi_table_madt *madt,
- int type, u32 acpi_id, bool ignore_disabled)
+ int type, u32 acpi_id)
{
unsigned long madt_end, entry;
phys_cpuid_t phys_id = PHYS_CPUID_INVALID; /* CPU hardware ID */
struct acpi_subtable_header *header =
(struct acpi_subtable_header *)entry;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
- if (!map_lapic_id(header, acpi_id, &phys_id,
- ignore_disabled))
+ if (!map_lapic_id(header, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
- if (!map_x2apic_id(header, type, acpi_id, &phys_id,
- ignore_disabled))
+ if (!map_x2apic_id(header, type, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
- if (!map_lsapic_id(header, type, acpi_id, &phys_id,
- ignore_disabled))
+ if (!map_lsapic_id(header, type, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT) {
- if (!map_gicc_mpidr(header, type, acpi_id, &phys_id,
- ignore_disabled))
+ if (!map_gicc_mpidr(header, type, acpi_id, &phys_id))
break;
}
entry += header->length;
if (!madt)
return PHYS_CPUID_INVALID;
- rv = map_madt_entry(madt, 1, acpi_id, true);
+ rv = map_madt_entry(madt, 1, acpi_id);
acpi_put_table((struct acpi_table_header *)madt);
return rv;
}
-static phys_cpuid_t map_mat_entry(acpi_handle handle, int type, u32 acpi_id,
- bool ignore_disabled)
+static phys_cpuid_t map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
header = (struct acpi_subtable_header *)obj->buffer.pointer;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC)
- map_lapic_id(header, acpi_id, &phys_id, ignore_disabled);
+ map_lapic_id(header, acpi_id, &phys_id);
else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC)
- map_lsapic_id(header, type, acpi_id, &phys_id, ignore_disabled);
+ map_lsapic_id(header, type, acpi_id, &phys_id);
else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC)
- map_x2apic_id(header, type, acpi_id, &phys_id, ignore_disabled);
+ map_x2apic_id(header, type, acpi_id, &phys_id);
else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT)
- map_gicc_mpidr(header, type, acpi_id, &phys_id,
- ignore_disabled);
+ map_gicc_mpidr(header, type, acpi_id, &phys_id);
exit:
kfree(buffer.pointer);
return phys_id;
}
-static phys_cpuid_t __acpi_get_phys_id(acpi_handle handle, int type,
- u32 acpi_id, bool ignore_disabled)
+phys_cpuid_t acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id)
{
phys_cpuid_t phys_id;
- phys_id = map_mat_entry(handle, type, acpi_id, ignore_disabled);
+ phys_id = map_mat_entry(handle, type, acpi_id);
if (invalid_phys_cpuid(phys_id))
- phys_id = map_madt_entry(get_madt_table(), type, acpi_id,
- ignore_disabled);
+ phys_id = map_madt_entry(get_madt_table(), type, acpi_id);
return phys_id;
}
-phys_cpuid_t acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id)
-{
- return __acpi_get_phys_id(handle, type, acpi_id, true);
-}
-
int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id)
{
#ifdef CONFIG_SMP
}
EXPORT_SYMBOL_GPL(acpi_get_cpuid);
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-static bool __init
-map_processor(acpi_handle handle, phys_cpuid_t *phys_id, int *cpuid)
-{
- int type, id;
- u32 acpi_id;
- acpi_status status;
- acpi_object_type acpi_type;
- unsigned long long tmp;
- union acpi_object object = { 0 };
- struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
-
- status = acpi_get_type(handle, &acpi_type);
- if (ACPI_FAILURE(status))
- return false;
-
- switch (acpi_type) {
- case ACPI_TYPE_PROCESSOR:
- status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
- if (ACPI_FAILURE(status))
- return false;
- acpi_id = object.processor.proc_id;
-
- /* validate the acpi_id */
- if(acpi_processor_validate_proc_id(acpi_id))
- return false;
- break;
- case ACPI_TYPE_DEVICE:
- status = acpi_evaluate_integer(handle, "_UID", NULL, &tmp);
- if (ACPI_FAILURE(status))
- return false;
- acpi_id = tmp;
- break;
- default:
- return false;
- }
-
- type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0;
-
- *phys_id = __acpi_get_phys_id(handle, type, acpi_id, false);
- id = acpi_map_cpuid(*phys_id, acpi_id);
-
- if (id < 0)
- return false;
- *cpuid = id;
- return true;
-}
-
-static acpi_status __init
-set_processor_node_mapping(acpi_handle handle, u32 lvl, void *context,
- void **rv)
-{
- phys_cpuid_t phys_id;
- int cpu_id;
-
- if (!map_processor(handle, &phys_id, &cpu_id))
- return AE_ERROR;
-
- acpi_map_cpu2node(handle, cpu_id, phys_id);
- return AE_OK;
-}
-
-void __init acpi_set_processor_mapping(void)
-{
- /* Set persistent cpu <-> node mapping for all processors. */
- acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX, set_processor_node_mapping,
- NULL, NULL, NULL);
-}
-#else
-void __init acpi_set_processor_mapping(void) {}
-#endif /* CONFIG_ACPI_HOTPLUG_CPU */
-
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
static int get_ioapic_id(struct acpi_subtable_header *entry, u32 gsi_base,
u64 *phys_addr, int *ioapic_id)
case AHCI_LS1043A:
if (!qpriv->ecc_addr)
return -EINVAL;
- writel(ECC_DIS_ARMV8_CH2, qpriv->ecc_addr);
+ writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
+ qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
if (qpriv->is_dmacoherent)
case AHCI_LS1046A:
if (!qpriv->ecc_addr)
return -EINVAL;
- writel(ECC_DIS_ARMV8_CH2, qpriv->ecc_addr);
+ writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
+ qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
if (qpriv->is_dmacoherent)
break;
default:
- WARN_ON_ONCE(1);
return AC_ERR_SYSTEM;
}
static void ata_tport_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
device_initialize(dev);
dev->type = &ata_port_type;
- dev->parent = get_device(parent);
+ dev->parent = parent;
dev->release = ata_tport_release;
dev_set_name(dev, "ata%d", ap->print_id);
transport_setup_device(dev);
static void ata_tlink_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
int error;
device_initialize(dev);
- dev->parent = get_device(&ap->tdev);
+ dev->parent = &ap->tdev;
dev->release = ata_tlink_release;
if (ata_is_host_link(link))
dev_set_name(dev, "link%d", ap->print_id);
static void ata_tdev_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
int error;
device_initialize(dev);
- dev->parent = get_device(&link->tdev);
+ dev->parent = &link->tdev;
dev->release = ata_tdev_release;
if (ata_is_host_link(link))
dev_set_name(dev, "dev%d.%d", ap->print_id,ata_dev->devno);
return restart_syscall();
}
-void assert_held_device_hotplug(void)
-{
- lockdep_assert_held(&device_hotplug_lock);
-}
-
#ifdef CONFIG_BLOCK
static inline int device_is_not_partition(struct device *dev)
{
irq, err);
return err;
}
- omap_rng_write(priv, RNG_INTMASK_REG, RNG_SHUTDOWN_OFLO_MASK);
- priv->clk = of_clk_get(pdev->dev.of_node, 0);
+ priv->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(priv->clk) && PTR_ERR(priv->clk) == -EPROBE_DEFER)
return -EPROBE_DEFER;
if (!IS_ERR(priv->clk)) {
dev_err(&pdev->dev, "unable to enable the clk, "
"err = %d\n", err);
}
+
+ /*
+ * On OMAP4, enabling the shutdown_oflo interrupt is
+ * done in the interrupt mask register. There is no
+ * such register on EIP76, and it's enabled by the
+ * same bit in the control register
+ */
+ if (priv->pdata->regs[RNG_INTMASK_REG])
+ omap_rng_write(priv, RNG_INTMASK_REG,
+ RNG_SHUTDOWN_OFLO_MASK);
+ else
+ omap_rng_write(priv, RNG_CONTROL_REG,
+ RNG_SHUTDOWN_OFLO_MASK);
}
return 0;
}
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/atmel_tc.h>
-#include <linux/sched_clock.h>
/*
return (upper << 16) | lower;
}
-static u32 tc_get_cv32(void)
-{
- return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV));
-}
-
static u64 tc_get_cycles32(struct clocksource *cs)
{
- return tc_get_cv32();
+ return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV));
}
static struct clocksource clksrc = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-static u64 notrace tc_read_sched_clock(void)
-{
- return tc_get_cv32();
-}
-
#ifdef CONFIG_GENERIC_CLOCKEVENTS
struct tc_clkevt_device {
clksrc.read = tc_get_cycles32;
/* setup ony channel 0 */
tcb_setup_single_chan(tc, best_divisor_idx);
-
- /* register sched_clock on chips with single 32 bit counter */
- sched_clock_register(tc_read_sched_clock, 32, divided_rate);
} else {
/* tclib will give us three clocks no matter what the
* underlying platform supports.
scatterwalk_done(&walk, out, 0);
}
-static void s5p_aes_complete(struct s5p_aes_dev *dev, int err)
+static void s5p_sg_done(struct s5p_aes_dev *dev)
{
if (dev->sg_dst_cpy) {
dev_dbg(dev->dev,
}
s5p_free_sg_cpy(dev, &dev->sg_src_cpy);
s5p_free_sg_cpy(dev, &dev->sg_dst_cpy);
+}
- /* holding a lock outside */
+/* Calls the completion. Cannot be called with dev->lock hold. */
+static void s5p_aes_complete(struct s5p_aes_dev *dev, int err)
+{
dev->req->base.complete(&dev->req->base, err);
dev->busy = false;
}
}
/*
- * Returns true if new transmitting (output) data is ready and its
- * address+length have to be written to device (by calling
- * s5p_set_dma_outdata()). False otherwise.
+ * Returns -ERRNO on error (mapping of new data failed).
+ * On success returns:
+ * - 0 if there is no more data,
+ * - 1 if new transmitting (output) data is ready and its address+length
+ * have to be written to device (by calling s5p_set_dma_outdata()).
*/
-static bool s5p_aes_tx(struct s5p_aes_dev *dev)
+static int s5p_aes_tx(struct s5p_aes_dev *dev)
{
- int err = 0;
- bool ret = false;
+ int ret = 0;
s5p_unset_outdata(dev);
if (!sg_is_last(dev->sg_dst)) {
- err = s5p_set_outdata(dev, sg_next(dev->sg_dst));
- if (err)
- s5p_aes_complete(dev, err);
- else
- ret = true;
- } else {
- s5p_aes_complete(dev, err);
-
- dev->busy = true;
- tasklet_schedule(&dev->tasklet);
+ ret = s5p_set_outdata(dev, sg_next(dev->sg_dst));
+ if (!ret)
+ ret = 1;
}
return ret;
}
/*
- * Returns true if new receiving (input) data is ready and its
- * address+length have to be written to device (by calling
- * s5p_set_dma_indata()). False otherwise.
+ * Returns -ERRNO on error (mapping of new data failed).
+ * On success returns:
+ * - 0 if there is no more data,
+ * - 1 if new receiving (input) data is ready and its address+length
+ * have to be written to device (by calling s5p_set_dma_indata()).
*/
-static bool s5p_aes_rx(struct s5p_aes_dev *dev)
+static int s5p_aes_rx(struct s5p_aes_dev *dev/*, bool *set_dma*/)
{
- int err;
- bool ret = false;
+ int ret = 0;
s5p_unset_indata(dev);
if (!sg_is_last(dev->sg_src)) {
- err = s5p_set_indata(dev, sg_next(dev->sg_src));
- if (err)
- s5p_aes_complete(dev, err);
- else
- ret = true;
+ ret = s5p_set_indata(dev, sg_next(dev->sg_src));
+ if (!ret)
+ ret = 1;
}
return ret;
{
struct platform_device *pdev = dev_id;
struct s5p_aes_dev *dev = platform_get_drvdata(pdev);
- bool set_dma_tx = false;
- bool set_dma_rx = false;
+ int err_dma_tx = 0;
+ int err_dma_rx = 0;
+ bool tx_end = false;
unsigned long flags;
uint32_t status;
+ int err;
spin_lock_irqsave(&dev->lock, flags);
+ /*
+ * Handle rx or tx interrupt. If there is still data (scatterlist did not
+ * reach end), then map next scatterlist entry.
+ * In case of such mapping error, s5p_aes_complete() should be called.
+ *
+ * If there is no more data in tx scatter list, call s5p_aes_complete()
+ * and schedule new tasklet.
+ */
status = SSS_READ(dev, FCINTSTAT);
if (status & SSS_FCINTSTAT_BRDMAINT)
- set_dma_rx = s5p_aes_rx(dev);
- if (status & SSS_FCINTSTAT_BTDMAINT)
- set_dma_tx = s5p_aes_tx(dev);
+ err_dma_rx = s5p_aes_rx(dev);
+
+ if (status & SSS_FCINTSTAT_BTDMAINT) {
+ if (sg_is_last(dev->sg_dst))
+ tx_end = true;
+ err_dma_tx = s5p_aes_tx(dev);
+ }
SSS_WRITE(dev, FCINTPEND, status);
- /*
- * Writing length of DMA block (either receiving or transmitting)
- * will start the operation immediately, so this should be done
- * at the end (even after clearing pending interrupts to not miss the
- * interrupt).
- */
- if (set_dma_tx)
- s5p_set_dma_outdata(dev, dev->sg_dst);
- if (set_dma_rx)
- s5p_set_dma_indata(dev, dev->sg_src);
+ if (err_dma_rx < 0) {
+ err = err_dma_rx;
+ goto error;
+ }
+ if (err_dma_tx < 0) {
+ err = err_dma_tx;
+ goto error;
+ }
+
+ if (tx_end) {
+ s5p_sg_done(dev);
+
+ spin_unlock_irqrestore(&dev->lock, flags);
+
+ s5p_aes_complete(dev, 0);
+ dev->busy = true;
+ tasklet_schedule(&dev->tasklet);
+ } else {
+ /*
+ * Writing length of DMA block (either receiving or
+ * transmitting) will start the operation immediately, so this
+ * should be done at the end (even after clearing pending
+ * interrupts to not miss the interrupt).
+ */
+ if (err_dma_tx == 1)
+ s5p_set_dma_outdata(dev, dev->sg_dst);
+ if (err_dma_rx == 1)
+ s5p_set_dma_indata(dev, dev->sg_src);
+ spin_unlock_irqrestore(&dev->lock, flags);
+ }
+
+ return IRQ_HANDLED;
+
+error:
+ s5p_sg_done(dev);
spin_unlock_irqrestore(&dev->lock, flags);
+ s5p_aes_complete(dev, err);
return IRQ_HANDLED;
}
s5p_unset_indata(dev);
indata_error:
- s5p_aes_complete(dev, err);
+ s5p_sg_done(dev);
spin_unlock_irqrestore(&dev->lock, flags);
+ s5p_aes_complete(dev, err);
}
static void s5p_tasklet_cb(unsigned long data)
dev_warn(dev, "feed control interrupt is not available.\n");
goto err_irq;
}
- err = devm_request_irq(dev, pdata->irq_fc, s5p_aes_interrupt,
- IRQF_SHARED, pdev->name, pdev);
+ err = devm_request_threaded_irq(dev, pdata->irq_fc, NULL,
+ s5p_aes_interrupt, IRQF_ONESHOT,
+ pdev->name, pdev);
if (err < 0) {
dev_warn(dev, "feed control interrupt is not available.\n");
goto err_irq;
# of AMDSOC/AMDGPU drm driver.
# It provides the HW control for ACP related functionalities.
-subdir-ccflags-y += -I$(AMDACPPATH)/ -I$(AMDACPPATH)/include
-
AMD_ACP_FILES := $(AMDACPPATH)/acp_hw.o
for (; i >= 0; i--)
drm_free_large(p->chunks[i].kdata);
kfree(p->chunks);
+ p->chunks = NULL;
+ p->nchunks = 0;
put_ctx:
amdgpu_ctx_put(p->ctx);
free_chunk:
use_bank = 0;
}
- *pos &= 0x3FFFF;
+ *pos &= (1UL << 22) - 1;
if (use_bank) {
if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
use_bank = 0;
}
- *pos &= 0x3FFFF;
+ *pos &= (1UL << 22) - 1;
if (use_bank) {
if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
(adev->pdev->device == 0x6667)) {
max_sclk = 75000;
}
+ } else if (adev->asic_type == CHIP_OLAND) {
+ if ((adev->pdev->device == 0x6604) &&
+ (adev->pdev->subsystem_vendor == 0x1028) &&
+ (adev->pdev->subsystem_device == 0x066F)) {
+ max_sclk = 75000;
+ }
}
if (rps->vce_active) {
/* rev0 hardware requires workarounds to support PG */
adev->pg_flags = 0;
if (adev->rev_id != 0x00) {
- adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG |
+ adev->pg_flags |=
AMD_PG_SUPPORT_GFX_SMG |
AMD_PG_SUPPORT_GFX_PIPELINE |
AMD_PG_SUPPORT_CP |
if (bgate) {
cgs_set_powergating_state(hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
- AMD_PG_STATE_UNGATE);
+ AMD_PG_STATE_GATE);
cgs_set_clockgating_state(hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
AMD_CG_STATE_GATE);
clk_prepare_enable(hwdev->pxlclk);
- /* mclk needs to be set to the same or higher rate than pxlclk */
- clk_set_rate(hwdev->mclk, crtc->state->adjusted_mode.crtc_clock * 1000);
+ /* We rely on firmware to set mclk to a sensible level. */
clk_set_rate(hwdev->pxlclk, crtc->state->adjusted_mode.crtc_clock * 1000);
hwdev->modeset(hwdev, &vm);
{ DE_VIDEO1, MALIDP550_DE_LV1_BASE, MALIDP550_DE_LV1_PTR_BASE, MALIDP_DE_LV_STRIDE0 },
{ DE_GRAPHICS1, MALIDP550_DE_LG_BASE, MALIDP550_DE_LG_PTR_BASE, MALIDP_DE_LG_STRIDE },
{ DE_VIDEO2, MALIDP550_DE_LV2_BASE, MALIDP550_DE_LV2_PTR_BASE, MALIDP_DE_LV_STRIDE0 },
- { DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE, 0 },
+ { DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE, MALIDP550_DE_LS_R1_STRIDE },
};
#define MALIDP_DE_DEFAULT_PREFETCH_START 5
#define LAYER_V_VAL(x) (((x) & 0x1fff) << 16)
#define MALIDP_LAYER_COMP_SIZE 0x010
#define MALIDP_LAYER_OFFSET 0x014
+#define MALIDP550_LS_ENABLE 0x01c
+#define MALIDP550_LS_R1_IN_SIZE 0x020
/*
* This 4-entry look-up-table is used to determine the full 8-bit alpha value
LAYER_V_VAL(plane->state->crtc_y),
mp->layer->base + MALIDP_LAYER_OFFSET);
+ if (mp->layer->id == DE_SMART)
+ malidp_hw_write(mp->hwdev,
+ LAYER_H_VAL(src_w) | LAYER_V_VAL(src_h),
+ mp->layer->base + MALIDP550_LS_R1_IN_SIZE);
+
/* first clear the rotation bits */
val = malidp_hw_read(mp->hwdev, mp->layer->base + MALIDP_LAYER_CONTROL);
val &= ~LAYER_ROT_MASK;
plane->hwdev = malidp->dev;
plane->layer = &map->layers[i];
- /* Skip the features which the SMART layer doesn't have */
- if (id == DE_SMART)
+ if (id == DE_SMART) {
+ /*
+ * Enable the first rectangle in the SMART layer to be
+ * able to use it as a drm plane.
+ */
+ malidp_hw_write(malidp->dev, 1,
+ plane->layer->base + MALIDP550_LS_ENABLE);
+ /* Skip the features which the SMART layer doesn't have. */
continue;
+ }
drm_plane_create_rotation_property(&plane->base, DRM_ROTATE_0, flags);
malidp_hw_write(malidp->dev, MALIDP_ALPHA_LUT,
/* Stride register offsets relative to Lx_BASE */
#define MALIDP_DE_LG_STRIDE 0x18
#define MALIDP_DE_LV_STRIDE0 0x18
+#define MALIDP550_DE_LS_R1_STRIDE 0x28
/* macros to set values into registers */
#define MALIDP_DE_H_FRONTPORCH(x) (((x) & 0xfff) << 0)
PLANE_PRIMARY,
PLANE_SPRITE0,
PLANE_SPRITE1,
+ PLANE_SPRITE2,
PLANE_CURSOR,
I915_MAX_PLANES,
};
trace_i915_gem_object_pwrite(obj, args->offset, args->size);
+ ret = -ENODEV;
+ if (obj->ops->pwrite)
+ ret = obj->ops->pwrite(obj, args);
+ if (ret != -ENODEV)
+ goto err;
+
ret = i915_gem_object_wait(obj,
I915_WAIT_INTERRUPTIBLE |
I915_WAIT_ALL,
*/
shmem_truncate_range(file_inode(obj->base.filp), 0, (loff_t)-1);
obj->mm.madv = __I915_MADV_PURGED;
+ obj->mm.pages = ERR_PTR(-EFAULT);
}
/* Try to discard unwanted pages */
__i915_gem_object_reset_page_iter(obj);
- obj->ops->put_pages(obj, pages);
+ if (!IS_ERR(pages))
+ obj->ops->put_pages(obj, pages);
+
unlock:
mutex_unlock(&obj->mm.lock);
}
if (err)
return err;
- if (unlikely(!obj->mm.pages)) {
+ if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) {
err = ____i915_gem_object_get_pages(obj);
if (err)
goto unlock;
pinned = true;
if (!atomic_inc_not_zero(&obj->mm.pages_pin_count)) {
- if (unlikely(!obj->mm.pages)) {
+ if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) {
ret = ____i915_gem_object_get_pages(obj);
if (ret)
goto err_unlock;
goto out_unlock;
}
+static int
+i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj,
+ const struct drm_i915_gem_pwrite *arg)
+{
+ struct address_space *mapping = obj->base.filp->f_mapping;
+ char __user *user_data = u64_to_user_ptr(arg->data_ptr);
+ u64 remain, offset;
+ unsigned int pg;
+
+ /* Before we instantiate/pin the backing store for our use, we
+ * can prepopulate the shmemfs filp efficiently using a write into
+ * the pagecache. We avoid the penalty of instantiating all the
+ * pages, important if the user is just writing to a few and never
+ * uses the object on the GPU, and using a direct write into shmemfs
+ * allows it to avoid the cost of retrieving a page (either swapin
+ * or clearing-before-use) before it is overwritten.
+ */
+ if (READ_ONCE(obj->mm.pages))
+ return -ENODEV;
+
+ /* Before the pages are instantiated the object is treated as being
+ * in the CPU domain. The pages will be clflushed as required before
+ * use, and we can freely write into the pages directly. If userspace
+ * races pwrite with any other operation; corruption will ensue -
+ * that is userspace's prerogative!
+ */
+
+ remain = arg->size;
+ offset = arg->offset;
+ pg = offset_in_page(offset);
+
+ do {
+ unsigned int len, unwritten;
+ struct page *page;
+ void *data, *vaddr;
+ int err;
+
+ len = PAGE_SIZE - pg;
+ if (len > remain)
+ len = remain;
+
+ err = pagecache_write_begin(obj->base.filp, mapping,
+ offset, len, 0,
+ &page, &data);
+ if (err < 0)
+ return err;
+
+ vaddr = kmap(page);
+ unwritten = copy_from_user(vaddr + pg, user_data, len);
+ kunmap(page);
+
+ err = pagecache_write_end(obj->base.filp, mapping,
+ offset, len, len - unwritten,
+ page, data);
+ if (err < 0)
+ return err;
+
+ if (unwritten)
+ return -EFAULT;
+
+ remain -= len;
+ user_data += len;
+ offset += len;
+ pg = 0;
+ } while (remain);
+
+ return 0;
+}
+
static bool ban_context(const struct i915_gem_context *ctx)
{
return (i915_gem_context_is_bannable(ctx) &&
args->timeout_ns -= ktime_to_ns(ktime_sub(ktime_get(), start));
if (args->timeout_ns < 0)
args->timeout_ns = 0;
+
+ /*
+ * Apparently ktime isn't accurate enough and occasionally has a
+ * bit of mismatch in the jiffies<->nsecs<->ktime loop. So patch
+ * things up to make the test happy. We allow up to 1 jiffy.
+ *
+ * This is a regression from the timespec->ktime conversion.
+ */
+ if (ret == -ETIME && !nsecs_to_jiffies(args->timeout_ns))
+ args->timeout_ns = 0;
}
i915_gem_object_put(obj);
static const struct drm_i915_gem_object_ops i915_gem_object_ops = {
.flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE |
I915_GEM_OBJECT_IS_SHRINKABLE,
+
.get_pages = i915_gem_object_get_pages_gtt,
.put_pages = i915_gem_object_put_pages_gtt,
+
+ .pwrite = i915_gem_object_pwrite_gtt,
};
struct drm_i915_gem_object *
* those as well to make room for our guard pages.
*/
if (check_color) {
- if (vma->node.start + vma->node.size == node->start) {
- if (vma->node.color == node->color)
+ if (node->start + node->size == target->start) {
+ if (node->color == target->color)
continue;
}
- if (vma->node.start == node->start + node->size) {
- if (vma->node.color == node->color)
+ if (node->start == target->start + target->size) {
+ if (node->color == target->color)
continue;
}
}
struct sg_table *(*get_pages)(struct drm_i915_gem_object *);
void (*put_pages)(struct drm_i915_gem_object *, struct sg_table *);
+ int (*pwrite)(struct drm_i915_gem_object *,
+ const struct drm_i915_gem_pwrite *);
+
int (*dmabuf_export)(struct drm_i915_gem_object *);
void (*release)(struct drm_i915_gem_object *);
};
return ret;
}
+static void
+i915_vma_remove(struct i915_vma *vma)
+{
+ struct drm_i915_gem_object *obj = vma->obj;
+
+ GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
+ GEM_BUG_ON(vma->flags & (I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND));
+
+ drm_mm_remove_node(&vma->node);
+ list_move_tail(&vma->vm_link, &vma->vm->unbound_list);
+
+ /* Since the unbound list is global, only move to that list if
+ * no more VMAs exist.
+ */
+ if (--obj->bind_count == 0)
+ list_move_tail(&obj->global_link,
+ &to_i915(obj->base.dev)->mm.unbound_list);
+
+ /* And finally now the object is completely decoupled from this vma,
+ * we can drop its hold on the backing storage and allow it to be
+ * reaped by the shrinker.
+ */
+ i915_gem_object_unpin_pages(obj);
+ GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < obj->bind_count);
+}
+
int __i915_vma_do_pin(struct i915_vma *vma,
u64 size, u64 alignment, u64 flags)
{
- unsigned int bound = vma->flags;
+ const unsigned int bound = vma->flags;
int ret;
lockdep_assert_held(&vma->vm->i915->drm.struct_mutex);
if (WARN_ON(bound & I915_VMA_PIN_OVERFLOW)) {
ret = -EBUSY;
- goto err;
+ goto err_unpin;
}
if ((bound & I915_VMA_BIND_MASK) == 0) {
ret = i915_vma_insert(vma, size, alignment, flags);
if (ret)
- goto err;
+ goto err_unpin;
}
ret = i915_vma_bind(vma, vma->obj->cache_level, flags);
if (ret)
- goto err;
+ goto err_remove;
if ((bound ^ vma->flags) & I915_VMA_GLOBAL_BIND)
__i915_vma_set_map_and_fenceable(vma);
GEM_BUG_ON(i915_vma_misplaced(vma, size, alignment, flags));
return 0;
-err:
+err_remove:
+ if ((bound & I915_VMA_BIND_MASK) == 0) {
+ GEM_BUG_ON(vma->pages);
+ i915_vma_remove(vma);
+ }
+err_unpin:
__i915_vma_unpin(vma);
return ret;
}
}
vma->flags &= ~(I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND);
- drm_mm_remove_node(&vma->node);
- list_move_tail(&vma->vm_link, &vma->vm->unbound_list);
-
if (vma->pages != obj->mm.pages) {
GEM_BUG_ON(!vma->pages);
sg_free_table(vma->pages);
}
vma->pages = NULL;
- /* Since the unbound list is global, only move to that list if
- * no more VMAs exist. */
- if (--obj->bind_count == 0)
- list_move_tail(&obj->global_link,
- &to_i915(obj->base.dev)->mm.unbound_list);
-
- /* And finally now the object is completely decoupled from this vma,
- * we can drop its hold on the backing storage and allow it to be
- * reaped by the shrinker.
- */
- i915_gem_object_unpin_pages(obj);
- GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < obj->bind_count);
+ i915_vma_remove(vma);
destroy:
if (unlikely(i915_vma_is_closed(vma)))
/* drm_atomic_helper_update_legacy_modeset_state might not be called. */
crtc->base.mode = crtc->base.state->mode;
- DRM_DEBUG_KMS("Updating pipe size %ix%i -> %ix%i\n",
- old_crtc_state->pipe_src_w, old_crtc_state->pipe_src_h,
- pipe_config->pipe_src_w, pipe_config->pipe_src_h);
-
/*
* Update pipe size and adjust fitter if needed: the reason for this is
* that in compute_mode_changes we check the native mode (not the pfit
struct intel_crtc_scaler_state *scaler_state =
&crtc->config->scaler_state;
- DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config);
-
if (crtc->config->pch_pfit.enabled) {
int id;
- if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) {
- DRM_ERROR("Requesting pfit without getting a scaler first\n");
+ if (WARN_ON(crtc->config->scaler_state.scaler_id < 0))
return;
- }
id = scaler_state->scaler_id;
I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN |
PS_FILTER_MEDIUM | scaler_state->scalers[id].mode);
I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos);
I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size);
-
- DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id);
}
}
} while (progress);
}
+static void intel_atomic_helper_free_state(struct drm_i915_private *dev_priv)
+{
+ struct intel_atomic_state *state, *next;
+ struct llist_node *freed;
+
+ freed = llist_del_all(&dev_priv->atomic_helper.free_list);
+ llist_for_each_entry_safe(state, next, freed, freed)
+ drm_atomic_state_put(&state->base);
+}
+
+static void intel_atomic_helper_free_state_worker(struct work_struct *work)
+{
+ struct drm_i915_private *dev_priv =
+ container_of(work, typeof(*dev_priv), atomic_helper.free_work);
+
+ intel_atomic_helper_free_state(dev_priv);
+}
+
static void intel_atomic_commit_tail(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
* can happen also when the device is completely off.
*/
intel_uncore_arm_unclaimed_mmio_detection(dev_priv);
+
+ intel_atomic_helper_free_state(dev_priv);
}
static void intel_atomic_commit_work(struct work_struct *work)
to_intel_atomic_state(old_crtc_state->state);
bool modeset = needs_modeset(crtc->state);
+ if (!modeset &&
+ (intel_cstate->base.color_mgmt_changed ||
+ intel_cstate->update_pipe)) {
+ intel_color_set_csc(crtc->state);
+ intel_color_load_luts(crtc->state);
+ }
+
/* Perform vblank evasion around commit operation */
intel_pipe_update_start(intel_crtc);
if (modeset)
goto out;
- if (crtc->state->color_mgmt_changed || to_intel_crtc_state(crtc->state)->update_pipe) {
- intel_color_set_csc(crtc->state);
- intel_color_load_luts(crtc->state);
- }
-
if (intel_cstate->update_pipe)
intel_update_pipe_config(intel_crtc, old_intel_cstate);
else if (INTEL_GEN(dev_priv) >= 9)
drm_modeset_acquire_fini(&ctx);
}
-static void intel_atomic_helper_free_state(struct work_struct *work)
-{
- struct drm_i915_private *dev_priv =
- container_of(work, typeof(*dev_priv), atomic_helper.free_work);
- struct intel_atomic_state *state, *next;
- struct llist_node *freed;
-
- freed = llist_del_all(&dev_priv->atomic_helper.free_list);
- llist_for_each_entry_safe(state, next, freed, freed)
- drm_atomic_state_put(&state->base);
-}
-
int intel_modeset_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
dev->mode_config.funcs = &intel_mode_funcs;
INIT_WORK(&dev_priv->atomic_helper.free_work,
- intel_atomic_helper_free_state);
+ intel_atomic_helper_free_state_worker);
intel_init_quirks(dev);
bool *enabled, int width, int height)
{
struct drm_i915_private *dev_priv = to_i915(fb_helper->dev);
- unsigned long conn_configured, mask;
+ unsigned long conn_configured, conn_seq, mask;
unsigned int count = min(fb_helper->connector_count, BITS_PER_LONG);
int i, j;
bool *save_enabled;
bool fallback = true;
int num_connectors_enabled = 0;
int num_connectors_detected = 0;
- int pass = 0;
save_enabled = kcalloc(count, sizeof(bool), GFP_KERNEL);
if (!save_enabled)
mask = BIT(count) - 1;
conn_configured = 0;
retry:
+ conn_seq = conn_configured;
for (i = 0; i < count; i++) {
struct drm_fb_helper_connector *fb_conn;
struct drm_connector *connector;
if (conn_configured & BIT(i))
continue;
- if (pass == 0 && !connector->has_tile)
+ if (conn_seq == 0 && !connector->has_tile)
continue;
if (connector->status == connector_status_connected)
conn_configured |= BIT(i);
}
- if ((conn_configured & mask) != mask) {
- pass++;
+ if ((conn_configured & mask) != mask && conn_configured != conn_seq)
goto retry;
- }
/*
* If the BIOS didn't enable everything it could, fall back to have the
break;
}
+ /* When byt can survive without system hang with dynamic
+ * sw freq adjustments, this restriction can be lifted.
+ */
+ if (IS_VALLEYVIEW(dev_priv))
+ goto skip_hw_write;
+
I915_WRITE(GEN6_RP_UP_EI,
GT_INTERVAL_FROM_US(dev_priv, ei_up));
I915_WRITE(GEN6_RP_UP_THRESHOLD,
GEN6_RP_UP_BUSY_AVG |
GEN6_RP_DOWN_IDLE_AVG);
+skip_hw_write:
dev_priv->rps.power = new_power;
dev_priv->rps.up_threshold = threshold_up;
dev_priv->rps.down_threshold = threshold_down;
* @timeout_base_ms: timeout for polling with preemption enabled
*
* Keep resending the @request to @mbox until PCODE acknowledges it, PCODE
- * reports an error or an overall timeout of @timeout_base_ms+10 ms expires.
+ * reports an error or an overall timeout of @timeout_base_ms+50 ms expires.
* The request is acknowledged once the PCODE reply dword equals @reply after
* applying @reply_mask. Polling is first attempted with preemption enabled
- * for @timeout_base_ms and if this times out for another 10 ms with
+ * for @timeout_base_ms and if this times out for another 50 ms with
* preemption disabled.
*
* Returns 0 on success, %-ETIMEDOUT in case of a timeout, <0 in case of some
* worst case) _and_ PCODE was busy for some reason even after a
* (queued) request and @timeout_base_ms delay. As a workaround retry
* the poll with preemption disabled to maximize the number of
- * requests. Increase the timeout from @timeout_base_ms to 10ms to
+ * requests. Increase the timeout from @timeout_base_ms to 50ms to
* account for interrupts that could reduce the number of these
- * requests.
+ * requests, and for any quirks of the PCODE firmware that delays
+ * the request completion.
*/
DRM_DEBUG_KMS("PCODE timeout, retrying with preemption disabled\n");
WARN_ON_ONCE(timeout_base_ms > 3);
preempt_disable();
- ret = wait_for_atomic(COND, 10);
+ ret = wait_for_atomic(COND, 50);
preempt_enable();
out:
int scaler_id = plane_state->scaler_id;
const struct intel_scaler *scaler;
- DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n",
- plane_id, PS_PLANE_SEL(plane_id));
-
scaler = &crtc_state->scaler_state.scalers[scaler_id];
I915_WRITE(SKL_PS_CTRL(pipe, scaler_id),
for_each_fw_domain_masked(d, fw_domains, dev_priv)
fw_domain_wait_ack(d);
+
+ dev_priv->uncore.fw_domains_active |= fw_domains;
}
static void
fw_domain_put(d);
fw_domain_posting_read(d);
}
+
+ dev_priv->uncore.fw_domains_active &= ~fw_domains;
}
static void
if (WARN_ON(domain->wake_count == 0))
domain->wake_count++;
- if (--domain->wake_count == 0) {
+ if (--domain->wake_count == 0)
dev_priv->uncore.funcs.force_wake_put(dev_priv, domain->mask);
- dev_priv->uncore.fw_domains_active &= ~domain->mask;
- }
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
fw_domains &= ~domain->mask;
}
- if (fw_domains) {
+ if (fw_domains)
dev_priv->uncore.funcs.force_wake_get(dev_priv, fw_domains);
- dev_priv->uncore.fw_domains_active |= fw_domains;
- }
}
/**
fw_domain_arm_timer(domain);
dev_priv->uncore.funcs.force_wake_get(dev_priv, fw_domains);
- dev_priv->uncore.fw_domains_active |= fw_domains;
}
static inline void __force_wake_auto(struct drm_i915_private *dev_priv,
struct drm_gem_object *obj = buffer->priv;
int ret = 0;
- if (WARN_ON(!obj->filp))
- return -EINVAL;
-
ret = drm_gem_mmap_obj(obj, omap_gem_mmap_size(obj), vma);
if (ret < 0)
return ret;
(rdev->pdev->device == 0x6667)) {
max_sclk = 75000;
}
+ } else if (rdev->family == CHIP_OLAND) {
+ if ((rdev->pdev->device == 0x6604) &&
+ (rdev->pdev->subsystem_vendor == 0x1028) &&
+ (rdev->pdev->subsystem_device == 0x066F)) {
+ max_sclk = 75000;
+ }
}
if (rps->vce_active) {
{
struct drm_device *dev = crtc->dev;
struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
+ unsigned long flags;
WARN_ON(!drm_modeset_is_locked(&crtc->mutex));
mutex_lock(&tilcdc_crtc->enable_lock);
tilcdc_write_mask(dev, LCDC_RASTER_CTRL_REG,
LCDC_PALETTE_LOAD_MODE(DATA_ONLY),
LCDC_PALETTE_LOAD_MODE_MASK);
+
+ /* There is no real chance for a race here as the time stamp
+ * is taken before the raster DMA is started. The spin-lock is
+ * taken to have a memory barrier after taking the time-stamp
+ * and to avoid a context switch between taking the stamp and
+ * enabling the raster.
+ */
+ spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
+ tilcdc_crtc->last_vblank = ktime_get();
tilcdc_set(dev, LCDC_RASTER_CTRL_REG, LCDC_RASTER_ENABLE);
+ spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
drm_crtc_vblank_on(crtc);
}
drm_flip_work_commit(&tilcdc_crtc->unref_work, priv->wq);
- tilcdc_crtc->last_vblank = 0;
tilcdc_crtc->enabled = false;
mutex_unlock(&tilcdc_crtc->enable_lock);
{
struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
struct drm_device *dev = crtc->dev;
- unsigned long flags;
WARN_ON(!drm_modeset_is_locked(&crtc->mutex));
drm_framebuffer_reference(fb);
crtc->primary->fb = fb;
+ tilcdc_crtc->event = event;
- spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
+ mutex_lock(&tilcdc_crtc->enable_lock);
- if (crtc->hwmode.vrefresh && ktime_to_ns(tilcdc_crtc->last_vblank)) {
+ if (tilcdc_crtc->enabled) {
+ unsigned long flags;
ktime_t next_vblank;
s64 tdiff;
- next_vblank = ktime_add_us(tilcdc_crtc->last_vblank,
- 1000000 / crtc->hwmode.vrefresh);
+ spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
+ next_vblank = ktime_add_us(tilcdc_crtc->last_vblank,
+ 1000000 / crtc->hwmode.vrefresh);
tdiff = ktime_to_us(ktime_sub(next_vblank, ktime_get()));
if (tdiff < TILCDC_VBLANK_SAFETY_THRESHOLD_US)
tilcdc_crtc->next_fb = fb;
- }
-
- if (tilcdc_crtc->next_fb != fb)
- set_scanout(crtc, fb);
+ else
+ set_scanout(crtc, fb);
- tilcdc_crtc->event = event;
+ spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
+ }
- spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
+ mutex_unlock(&tilcdc_crtc->enable_lock);
return 0;
}
fail:
tilcdc_crtc_destroy(crtc);
- return -ENOMEM;
+ return ret;
}
return -ENODEV;
}
+ if (hostif->desc.bNumEndpoints < 1)
+ return -ENODEV;
+
dev_info(&udev->dev,
"%s: Device matched (Vendor: 0x%x, Product: 0x%x)\n",
__func__, le16_to_cpu(udev->descriptor.idVendor),
* To get all the fields, copy all archdata
*/
dev->ofdev.dev.archdata = chip->lbus.pdev->dev.archdata;
+ dev->ofdev.dev.dma_ops = chip->lbus.pdev->dev.dma_ops;
#endif /* CONFIG_PCI */
#ifdef DEBUG
struct dm_offload *o = container_of(cb, struct dm_offload, cb);
struct bio_list list;
struct bio *bio;
+ int i;
INIT_LIST_HEAD(&o->cb.list);
if (unlikely(!current->bio_list))
return;
- list = *current->bio_list;
- bio_list_init(current->bio_list);
-
- while ((bio = bio_list_pop(&list))) {
- struct bio_set *bs = bio->bi_pool;
- if (unlikely(!bs) || bs == fs_bio_set) {
- bio_list_add(current->bio_list, bio);
- continue;
+ for (i = 0; i < 2; i++) {
+ list = current->bio_list[i];
+ bio_list_init(¤t->bio_list[i]);
+
+ while ((bio = bio_list_pop(&list))) {
+ struct bio_set *bs = bio->bi_pool;
+ if (unlikely(!bs) || bs == fs_bio_set) {
+ bio_list_add(¤t->bio_list[i], bio);
+ continue;
+ }
+
+ spin_lock(&bs->rescue_lock);
+ bio_list_add(&bs->rescue_list, bio);
+ queue_work(bs->rescue_workqueue, &bs->rescue_work);
+ spin_unlock(&bs->rescue_lock);
}
-
- spin_lock(&bs->rescue_lock);
- bio_list_add(&bs->rescue_list, bio);
- queue_work(bs->rescue_workqueue, &bs->rescue_work);
- spin_unlock(&bs->rescue_lock);
}
}
bm_lockres->flags |= DLM_LKF_NOQUEUE;
ret = dlm_lock_sync(bm_lockres, DLM_LOCK_PW);
if (ret == -EAGAIN) {
- memset(bm_lockres->lksb.sb_lvbptr, '\0', LVB_SIZE);
s = read_resync_info(mddev, bm_lockres);
if (s) {
pr_info("%s:%d Resync[%llu..%llu] in progress on %d\n",
lockres_free(cinfo->bitmap_lockres);
unlock_all_bitmaps(mddev);
dlm_release_lockspace(cinfo->lockspace, 2);
+ kfree(cinfo);
return 0;
}
}
EXPORT_SYMBOL(md_flush_request);
-void md_unplug(struct blk_plug_cb *cb, bool from_schedule)
-{
- struct mddev *mddev = cb->data;
- md_wakeup_thread(mddev->thread);
- kfree(cb);
-}
-EXPORT_SYMBOL(md_unplug);
-
static inline struct mddev *mddev_get(struct mddev *mddev)
{
atomic_inc(&mddev->active);
}
sb = page_address(rdev->sb_page);
sb->data_size = cpu_to_le64(num_sectors);
- sb->super_offset = rdev->sb_start;
+ sb->super_offset = cpu_to_le64(rdev->sb_start);
sb->sb_csum = calc_sb_1_csum(sb);
do {
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
/* Check if any mddev parameters have changed */
if ((mddev->dev_sectors != le64_to_cpu(sb->size)) ||
(mddev->reshape_position != le64_to_cpu(sb->reshape_position)) ||
- (mddev->layout != le64_to_cpu(sb->layout)) ||
+ (mddev->layout != le32_to_cpu(sb->layout)) ||
(mddev->raid_disks != le32_to_cpu(sb->raid_disks)) ||
(mddev->chunk_sectors != le32_to_cpu(sb->chunksize)))
return true;
mddev->layout = info->layout;
mddev->chunk_sectors = info->chunk_size >> 9;
- mddev->max_disks = MD_SB_DISKS;
-
if (mddev->persistent) {
- mddev->flags = 0;
- mddev->sb_flags = 0;
+ mddev->max_disks = MD_SB_DISKS;
+ mddev->flags = 0;
+ mddev->sb_flags = 0;
}
set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags);
return -ENOSPC;
}
rv = mddev->pers->resize(mddev, num_sectors);
- if (!rv)
- revalidate_disk(mddev->gendisk);
+ if (!rv) {
+ if (mddev->queue) {
+ set_capacity(mddev->gendisk, mddev->array_sectors);
+ revalidate_disk(mddev->gendisk);
+ }
+ }
return rv;
}
extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
struct mddev *mddev);
-extern void md_unplug(struct blk_plug_cb *cb, bool from_schedule);
extern void md_reload_sb(struct mddev *mddev, int raid_disk);
extern void md_update_sb(struct mddev *mddev, int force);
extern void md_kick_rdev_from_array(struct md_rdev * rdev);
struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr);
-static inline int mddev_check_plugged(struct mddev *mddev)
-{
- return !!blk_check_plugged(md_unplug, mddev,
- sizeof(struct blk_plug_cb));
-}
static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)
{
static void freeze_array(struct r1conf *conf, int extra)
{
/* Stop sync I/O and normal I/O and wait for everything to
- * go quite.
+ * go quiet.
* This is called in two situations:
* 1) management command handlers (reshape, remove disk, quiesce).
* 2) one normal I/O request failed.
split = bio;
}
- if (bio_data_dir(split) == READ)
+ if (bio_data_dir(split) == READ) {
raid1_read_request(mddev, split);
- else
+
+ /*
+ * If a bio is splitted, the first part of bio will
+ * pass barrier but the bio is queued in
+ * current->bio_list (see generic_make_request). If
+ * there is a raise_barrier() called here, the second
+ * part of bio can't pass barrier. But since the first
+ * part bio isn't dispatched to underlaying disks yet,
+ * the barrier is never released, hence raise_barrier
+ * will alays wait. We have a deadlock.
+ * Note, this only happens in read path. For write
+ * path, the first part of bio is dispatched in a
+ * schedule() call (because of blk plug) or offloaded
+ * to raid10d.
+ * Quitting from the function immediately can change
+ * the bio order queued in bio_list and avoid the deadlock.
+ */
+ if (split != bio) {
+ generic_make_request(bio);
+ break;
+ }
+ } else
raid1_write_request(mddev, split);
} while (split != bio);
}
return ret;
}
md_set_array_sectors(mddev, newsize);
- set_capacity(mddev->gendisk, mddev->array_sectors);
- revalidate_disk(mddev->gendisk);
if (sectors > mddev->dev_sectors &&
mddev->recovery_cp > mddev->dev_sectors) {
mddev->recovery_cp = mddev->dev_sectors;
!conf->barrier ||
(atomic_read(&conf->nr_pending) &&
current->bio_list &&
- !bio_list_empty(current->bio_list)),
+ (!bio_list_empty(¤t->bio_list[0]) ||
+ !bio_list_empty(¤t->bio_list[1]))),
conf->resync_lock);
conf->nr_waiting--;
if (!conf->nr_waiting)
mbio->bi_bdev = (void*)rdev;
atomic_inc(&r10_bio->remaining);
+
+ cb = blk_check_plugged(raid10_unplug, mddev,
+ sizeof(*plug));
+ if (cb)
+ plug = container_of(cb, struct raid10_plug_cb,
+ cb);
+ else
+ plug = NULL;
spin_lock_irqsave(&conf->device_lock, flags);
- bio_list_add(&conf->pending_bio_list, mbio);
- conf->pending_count++;
+ if (plug) {
+ bio_list_add(&plug->pending, mbio);
+ plug->pending_cnt++;
+ } else {
+ bio_list_add(&conf->pending_bio_list, mbio);
+ conf->pending_count++;
+ }
spin_unlock_irqrestore(&conf->device_lock, flags);
- if (!mddev_check_plugged(mddev))
+ if (!plug)
md_wakeup_thread(mddev->thread);
}
}
split = bio;
}
+ /*
+ * If a bio is splitted, the first part of bio will pass
+ * barrier but the bio is queued in current->bio_list (see
+ * generic_make_request). If there is a raise_barrier() called
+ * here, the second part of bio can't pass barrier. But since
+ * the first part bio isn't dispatched to underlaying disks
+ * yet, the barrier is never released, hence raise_barrier will
+ * alays wait. We have a deadlock.
+ * Note, this only happens in read path. For write path, the
+ * first part of bio is dispatched in a schedule() call
+ * (because of blk plug) or offloaded to raid10d.
+ * Quitting from the function immediately can change the bio
+ * order queued in bio_list and avoid the deadlock.
+ */
__make_request(mddev, split);
+ if (split != bio && bio_data_dir(bio) == READ) {
+ generic_make_request(bio);
+ break;
+ }
} while (split != bio);
/* In case raid10d snuck in to freeze_array */
return ret;
}
md_set_array_sectors(mddev, size);
- if (mddev->queue) {
- set_capacity(mddev->gendisk, mddev->array_sectors);
- revalidate_disk(mddev->gendisk);
- }
if (sectors > mddev->dev_sectors &&
mddev->recovery_cp > oldsize) {
mddev->recovery_cp = oldsize;
(test_bit(R5_Wantdrain, &dev->flags) ||
test_bit(R5_InJournal, &dev->flags))) ||
(srctype == SYNDROME_SRC_WRITTEN &&
- dev->written)) {
+ (dev->written ||
+ test_bit(R5_InJournal, &dev->flags)))) {
if (test_bit(R5_InJournal, &dev->flags))
srcs[slot] = sh->dev[i].orig_page;
else
return ret;
}
md_set_array_sectors(mddev, newsize);
- set_capacity(mddev->gendisk, mddev->array_sectors);
- revalidate_disk(mddev->gendisk);
if (sectors > mddev->dev_sectors &&
mddev->recovery_cp > mddev->dev_sectors) {
mddev->recovery_cp = mddev->dev_sectors;
processed = xgbe_rx_poll(channel, budget);
/* If we processed everything, we are done */
- if (processed < budget) {
- /* Turn off polling */
- napi_complete_done(napi, processed);
-
+ if ((processed < budget) && napi_complete_done(napi, processed)) {
/* Enable Tx and Rx interrupts */
if (pdata->channel_irq_mode)
xgbe_enable_rx_tx_int(pdata, channel);
} while ((processed < budget) && (processed != last_processed));
/* If we processed everything, we are done */
- if (processed < budget) {
- /* Turn off polling */
- napi_complete_done(napi, processed);
-
+ if ((processed < budget) && napi_complete_done(napi, processed)) {
/* Enable Tx and Rx interrupts */
xgbe_enable_rx_tx_ints(pdata);
}
if (!((1U << i) & self->msix_entry_mask))
continue;
- free_irq(pci_irq_vector(pdev, i), self->aq_vec[i]);
if (pdev->msix_enabled)
irq_set_affinity_hint(pci_irq_vector(pdev, i), NULL);
+ free_irq(pci_irq_vector(pdev, i), self->aq_vec[i]);
self->msix_entry_mask &= ~(1U << i);
}
}
dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
- /* VF with OLD Hypervisor or old PF do not support filtering */
if (IS_PF(bp)) {
if (chip_is_e1x)
bp->accept_any_vlan = true;
else
dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
-#ifdef CONFIG_BNX2X_SRIOV
- } else if (bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER) {
- dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
-#endif
}
+ /* For VF we'll know whether to enable VLAN filtering after
+ * getting a response to CHANNEL_TLV_ACQUIRE from PF.
+ */
dev->features |= dev->hw_features | NETIF_F_HW_VLAN_CTAG_RX;
dev->features |= NETIF_F_HIGHDMA;
if (!netif_running(bp->dev)) {
DP(BNX2X_MSG_PTP,
"PTP adjfreq called while the interface is down\n");
- return -EFAULT;
+ return -ENETDOWN;
}
if (ppb < 0) {
{
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
+ if (!netif_running(bp->dev)) {
+ DP(BNX2X_MSG_PTP,
+ "PTP adjtime called while the interface is down\n");
+ return -ENETDOWN;
+ }
+
DP(BNX2X_MSG_PTP, "PTP adjtime called, delta = %llx\n", delta);
timecounter_adjtime(&bp->timecounter, delta);
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
u64 ns;
+ if (!netif_running(bp->dev)) {
+ DP(BNX2X_MSG_PTP,
+ "PTP gettime called while the interface is down\n");
+ return -ENETDOWN;
+ }
+
ns = timecounter_read(&bp->timecounter);
DP(BNX2X_MSG_PTP, "PTP gettime called, ns = %llu\n", ns);
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
u64 ns;
+ if (!netif_running(bp->dev)) {
+ DP(BNX2X_MSG_PTP,
+ "PTP settime called while the interface is down\n");
+ return -ENETDOWN;
+ }
+
ns = timespec64_to_ns(ts);
DP(BNX2X_MSG_PTP, "PTP settime called, ns = %llu\n", ns);
rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count);
if (rc)
goto init_one_freemem;
+
+#ifdef CONFIG_BNX2X_SRIOV
+ /* VF with OLD Hypervisor or old PF do not support filtering */
+ if (bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER) {
+ dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+ dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+ }
+#endif
}
/* Enable SRIOV if capability found in configuration space */
/* Add/Remove the filter */
rc = bnx2x_config_vlan_mac(bp, &ramrod);
- if (rc && rc != -EEXIST) {
+ if (rc == -EEXIST)
+ return 0;
+ if (rc) {
BNX2X_ERR("Failed to %s %s\n",
filter->add ? "add" : "delete",
(filter->type == BNX2X_VF_FILTER_VLAN_MAC) ?
return rc;
}
+ filter->applied = true;
+
return 0;
}
/* Rollback if needed */
if (i != filters->count) {
BNX2X_ERR("Managed only %d/%d filters - rolling back\n",
- i, filters->count + 1);
+ i, filters->count);
while (--i >= 0) {
+ if (!filters->filters[i].applied)
+ continue;
filters->filters[i].add = !filters->filters[i].add;
bnx2x_vf_mac_vlan_config(bp, vf, qid,
&filters->filters[i],
continue;
}
- DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
+ DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
+ "add addresses for vf %d\n", vf->abs_vfid);
for_each_vfq(vf, j) {
struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
cpu_to_le32(U64_HI(q_stats_addr));
cur_query_entry->address.lo =
cpu_to_le32(U64_LO(q_stats_addr));
- DP(BNX2X_MSG_IOV,
- "added address %x %x for vf %d queue %d client %d\n",
- cur_query_entry->address.hi,
- cur_query_entry->address.lo, cur_query_entry->funcID,
- j, cur_query_entry->index);
+ DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
+ "added address %x %x for vf %d queue %d client %d\n",
+ cur_query_entry->address.hi,
+ cur_query_entry->address.lo,
+ cur_query_entry->funcID,
+ j, cur_query_entry->index);
cur_query_entry++;
cur_data_offset += sizeof(struct per_queue_stats);
stats_count++;
(BNX2X_VF_FILTER_MAC | BNX2X_VF_FILTER_VLAN) /*shortcut*/
bool add;
+ bool applied;
u8 *mac;
u16 vid;
};
struct bnx2x *bp = netdev_priv(dev);
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
- int rc, i = 0;
+ int rc = 0, i = 0;
struct netdev_hw_addr *ha;
if (bp->state != BNX2X_STATE_OPEN) {
/* Get Rx mode requested */
DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
+ /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */
+ if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) {
+ DP(NETIF_MSG_IFUP,
+ "VF supports not more than %d multicast MAC addresses\n",
+ PFVF_MAX_MULTICAST_PER_VF);
+ rc = -EINVAL;
+ goto out;
+ }
+
netdev_for_each_mc_addr(ha, dev) {
DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
bnx2x_mc_addr(ha));
i++;
}
- /* We support four PFVF_MAX_MULTICAST_PER_VF mcast
- * addresses tops
- */
- if (i >= PFVF_MAX_MULTICAST_PER_VF) {
- DP(NETIF_MSG_IFUP,
- "VF supports not more than %d multicast MAC addresses\n",
- PFVF_MAX_MULTICAST_PER_VF);
- return -EINVAL;
- }
-
req->n_multicast = i;
req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
req->vf_qid = 0;
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
- return 0;
+ return rc;
}
/* request pf to add a vlan for the vf */
goto op_err;
}
+ /* build vlan list */
+ fl = NULL;
+
+ rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
+ VFPF_VLAN_FILTER);
+ if (rc)
+ goto op_err;
+
+ if (fl) {
+ /* set vlan list */
+ rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
+ msg->vf_qid,
+ false);
+ if (rc)
+ goto op_err;
+ }
+
}
if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
vf->vlan = le16_to_cpu(resp->vlan) & VLAN_VID_MASK;
}
#endif
+ if (BNXT_PF(bp) && (le16_to_cpu(resp->flags) &
+ FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED))
+ bp->flags |= BNXT_FLAG_FW_LLDP_AGENT;
+
switch (resp->port_partition_type) {
case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0:
case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_5:
bp->lpi_tmr_hi = le32_to_cpu(resp->valid_tx_lpi_timer_high) &
PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_HIGH_MASK;
}
- link_info->support_auto_speeds =
- le16_to_cpu(resp->supported_speeds_auto_mode);
+ if (resp->supported_speeds_auto_mode)
+ link_info->support_auto_speeds =
+ le16_to_cpu(resp->supported_speeds_auto_mode);
hwrm_phy_qcaps_exit:
mutex_unlock(&bp->hwrm_cmd_lock);
if (!silent)
bnxt_dbg_dump_states(bp);
if (netif_running(bp->dev)) {
+ int rc;
+
+ if (!silent)
+ bnxt_ulp_stop(bp);
bnxt_close_nic(bp, false, false);
- bnxt_open_nic(bp, false, false);
+ rc = bnxt_open_nic(bp, false, false);
+ if (!silent && !rc)
+ bnxt_ulp_start(bp);
}
}
if (rc)
goto init_err_pci_clean;
+ rc = bnxt_hwrm_func_reset(bp);
+ if (rc)
+ goto init_err_pci_clean;
+
bnxt_hwrm_fw_set_time(bp);
dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
if (rc)
goto init_err_pci_clean;
- rc = bnxt_hwrm_func_reset(bp);
- if (rc)
- goto init_err_pci_clean;
-
rc = bnxt_init_int_mode(bp);
if (rc)
goto init_err_pci_clean;
BNXT_FLAG_ROCEV2_CAP)
#define BNXT_FLAG_NO_AGG_RINGS 0x20000
#define BNXT_FLAG_RX_PAGE_MODE 0x40000
+ #define BNXT_FLAG_FW_LLDP_AGENT 0x80000
#define BNXT_FLAG_CHIP_NITRO_A0 0x1000000
#define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA | \
return;
bp->dcbx_cap = DCB_CAP_DCBX_VER_IEEE;
- if (BNXT_PF(bp))
+ if (BNXT_PF(bp) && !(bp->flags & BNXT_FLAG_FW_LLDP_AGENT))
bp->dcbx_cap |= DCB_CAP_DCBX_HOST;
else
bp->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
/*
* Broadcom GENET (Gigabit Ethernet) controller driver
*
- * Copyright (c) 2014 Broadcom Corporation
+ * Copyright (c) 2014-2017 Broadcom
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
genet_dma_ring_regs[r]);
}
+static int bcmgenet_begin(struct net_device *dev)
+{
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+
+ /* Turn on the clock */
+ return clk_prepare_enable(priv->clk);
+}
+
+static void bcmgenet_complete(struct net_device *dev)
+{
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+
+ /* Turn off the clock */
+ clk_disable_unprepare(priv->clk);
+}
+
static int bcmgenet_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *cmd)
{
STAT_GENET_RUNT("rx_runt_bytes", mib.rx_runt_bytes),
/* Misc UniMAC counters */
STAT_GENET_MISC("rbuf_ovflow_cnt", mib.rbuf_ovflow_cnt,
- UMAC_RBUF_OVFL_CNT),
- STAT_GENET_MISC("rbuf_err_cnt", mib.rbuf_err_cnt, UMAC_RBUF_ERR_CNT),
+ UMAC_RBUF_OVFL_CNT_V1),
+ STAT_GENET_MISC("rbuf_err_cnt", mib.rbuf_err_cnt,
+ UMAC_RBUF_ERR_CNT_V1),
STAT_GENET_MISC("mdf_err_cnt", mib.mdf_err_cnt, UMAC_MDF_ERR_CNT),
STAT_GENET_SOFT_MIB("alloc_rx_buff_failed", mib.alloc_rx_buff_failed),
STAT_GENET_SOFT_MIB("rx_dma_failed", mib.rx_dma_failed),
}
}
+static u32 bcmgenet_update_stat_misc(struct bcmgenet_priv *priv, u16 offset)
+{
+ u16 new_offset;
+ u32 val;
+
+ switch (offset) {
+ case UMAC_RBUF_OVFL_CNT_V1:
+ if (GENET_IS_V2(priv))
+ new_offset = RBUF_OVFL_CNT_V2;
+ else
+ new_offset = RBUF_OVFL_CNT_V3PLUS;
+
+ val = bcmgenet_rbuf_readl(priv, new_offset);
+ /* clear if overflowed */
+ if (val == ~0)
+ bcmgenet_rbuf_writel(priv, 0, new_offset);
+ break;
+ case UMAC_RBUF_ERR_CNT_V1:
+ if (GENET_IS_V2(priv))
+ new_offset = RBUF_ERR_CNT_V2;
+ else
+ new_offset = RBUF_ERR_CNT_V3PLUS;
+
+ val = bcmgenet_rbuf_readl(priv, new_offset);
+ /* clear if overflowed */
+ if (val == ~0)
+ bcmgenet_rbuf_writel(priv, 0, new_offset);
+ break;
+ default:
+ val = bcmgenet_umac_readl(priv, offset);
+ /* clear if overflowed */
+ if (val == ~0)
+ bcmgenet_umac_writel(priv, 0, offset);
+ break;
+ }
+
+ return val;
+}
+
static void bcmgenet_update_mib_counters(struct bcmgenet_priv *priv)
{
int i, j = 0;
case BCMGENET_STAT_NETDEV:
case BCMGENET_STAT_SOFT:
continue;
- case BCMGENET_STAT_MIB_RX:
- case BCMGENET_STAT_MIB_TX:
case BCMGENET_STAT_RUNT:
- if (s->type != BCMGENET_STAT_MIB_RX)
- offset = BCMGENET_STAT_OFFSET;
+ offset += BCMGENET_STAT_OFFSET;
+ /* fall through */
+ case BCMGENET_STAT_MIB_TX:
+ offset += BCMGENET_STAT_OFFSET;
+ /* fall through */
+ case BCMGENET_STAT_MIB_RX:
val = bcmgenet_umac_readl(priv,
UMAC_MIB_START + j + offset);
+ offset = 0; /* Reset Offset */
break;
case BCMGENET_STAT_MISC:
- val = bcmgenet_umac_readl(priv, s->reg_offset);
- /* clear if overflowed */
- if (val == ~0)
- bcmgenet_umac_writel(priv, 0, s->reg_offset);
+ if (GENET_IS_V1(priv)) {
+ val = bcmgenet_umac_readl(priv, s->reg_offset);
+ /* clear if overflowed */
+ if (val == ~0)
+ bcmgenet_umac_writel(priv, 0,
+ s->reg_offset);
+ } else {
+ val = bcmgenet_update_stat_misc(priv,
+ s->reg_offset);
+ }
break;
}
/* standard ethtool support functions. */
static const struct ethtool_ops bcmgenet_ethtool_ops = {
+ .begin = bcmgenet_begin,
+ .complete = bcmgenet_complete,
.get_strings = bcmgenet_get_strings,
.get_sset_count = bcmgenet_get_sset_count,
.get_ethtool_stats = bcmgenet_get_ethtool_stats,
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device *kdev = &priv->pdev->dev;
struct enet_cb *tx_cb_ptr;
- struct netdev_queue *txq;
unsigned int pkts_compl = 0;
unsigned int bytes_compl = 0;
unsigned int c_index;
dev->stats.tx_packets += pkts_compl;
dev->stats.tx_bytes += bytes_compl;
- txq = netdev_get_tx_queue(dev, ring->queue);
- netdev_tx_completed_queue(txq, pkts_compl, bytes_compl);
-
- if (ring->free_bds > (MAX_SKB_FRAGS + 1)) {
- if (netif_tx_queue_stopped(txq))
- netif_tx_wake_queue(txq);
- }
+ netdev_tx_completed_queue(netdev_get_tx_queue(dev, ring->queue),
+ pkts_compl, bytes_compl);
return pkts_compl;
}
struct bcmgenet_tx_ring *ring =
container_of(napi, struct bcmgenet_tx_ring, napi);
unsigned int work_done = 0;
+ struct netdev_queue *txq;
+ unsigned long flags;
- work_done = bcmgenet_tx_reclaim(ring->priv->dev, ring);
+ spin_lock_irqsave(&ring->lock, flags);
+ work_done = __bcmgenet_tx_reclaim(ring->priv->dev, ring);
+ if (ring->free_bds > (MAX_SKB_FRAGS + 1)) {
+ txq = netdev_get_tx_queue(ring->priv->dev, ring->queue);
+ netif_tx_wake_queue(txq);
+ }
+ spin_unlock_irqrestore(&ring->lock, flags);
if (work_done == 0) {
napi_complete(napi);
/* Interrupt bottom half */
static void bcmgenet_irq_task(struct work_struct *work)
{
+ unsigned long flags;
+ unsigned int status;
struct bcmgenet_priv *priv = container_of(
work, struct bcmgenet_priv, bcmgenet_irq_work);
netif_dbg(priv, intr, priv->dev, "%s\n", __func__);
- if (priv->irq0_stat & UMAC_IRQ_MPD_R) {
- priv->irq0_stat &= ~UMAC_IRQ_MPD_R;
+ spin_lock_irqsave(&priv->lock, flags);
+ status = priv->irq0_stat;
+ priv->irq0_stat = 0;
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ if (status & UMAC_IRQ_MPD_R) {
netif_dbg(priv, wol, priv->dev,
"magic packet detected, waking up\n");
bcmgenet_power_up(priv, GENET_POWER_WOL_MAGIC);
}
/* Link UP/DOWN event */
- if (priv->irq0_stat & UMAC_IRQ_LINK_EVENT) {
+ if (status & UMAC_IRQ_LINK_EVENT)
phy_mac_interrupt(priv->phydev,
- !!(priv->irq0_stat & UMAC_IRQ_LINK_UP));
- priv->irq0_stat &= ~UMAC_IRQ_LINK_EVENT;
- }
+ !!(status & UMAC_IRQ_LINK_UP));
}
/* bcmgenet_isr1: handle Rx and Tx priority queues */
struct bcmgenet_priv *priv = dev_id;
struct bcmgenet_rx_ring *rx_ring;
struct bcmgenet_tx_ring *tx_ring;
- unsigned int index;
+ unsigned int index, status;
- /* Save irq status for bottom-half processing. */
- priv->irq1_stat =
- bcmgenet_intrl2_1_readl(priv, INTRL2_CPU_STAT) &
+ /* Read irq status */
+ status = bcmgenet_intrl2_1_readl(priv, INTRL2_CPU_STAT) &
~bcmgenet_intrl2_1_readl(priv, INTRL2_CPU_MASK_STATUS);
/* clear interrupts */
- bcmgenet_intrl2_1_writel(priv, priv->irq1_stat, INTRL2_CPU_CLEAR);
+ bcmgenet_intrl2_1_writel(priv, status, INTRL2_CPU_CLEAR);
netif_dbg(priv, intr, priv->dev,
- "%s: IRQ=0x%x\n", __func__, priv->irq1_stat);
+ "%s: IRQ=0x%x\n", __func__, status);
/* Check Rx priority queue interrupts */
for (index = 0; index < priv->hw_params->rx_queues; index++) {
- if (!(priv->irq1_stat & BIT(UMAC_IRQ1_RX_INTR_SHIFT + index)))
+ if (!(status & BIT(UMAC_IRQ1_RX_INTR_SHIFT + index)))
continue;
rx_ring = &priv->rx_rings[index];
/* Check Tx priority queue interrupts */
for (index = 0; index < priv->hw_params->tx_queues; index++) {
- if (!(priv->irq1_stat & BIT(index)))
+ if (!(status & BIT(index)))
continue;
tx_ring = &priv->tx_rings[index];
struct bcmgenet_priv *priv = dev_id;
struct bcmgenet_rx_ring *rx_ring;
struct bcmgenet_tx_ring *tx_ring;
+ unsigned int status;
+ unsigned long flags;
- /* Save irq status for bottom-half processing. */
- priv->irq0_stat =
- bcmgenet_intrl2_0_readl(priv, INTRL2_CPU_STAT) &
+ /* Read irq status */
+ status = bcmgenet_intrl2_0_readl(priv, INTRL2_CPU_STAT) &
~bcmgenet_intrl2_0_readl(priv, INTRL2_CPU_MASK_STATUS);
/* clear interrupts */
- bcmgenet_intrl2_0_writel(priv, priv->irq0_stat, INTRL2_CPU_CLEAR);
+ bcmgenet_intrl2_0_writel(priv, status, INTRL2_CPU_CLEAR);
netif_dbg(priv, intr, priv->dev,
- "IRQ=0x%x\n", priv->irq0_stat);
+ "IRQ=0x%x\n", status);
- if (priv->irq0_stat & UMAC_IRQ_RXDMA_DONE) {
+ if (status & UMAC_IRQ_RXDMA_DONE) {
rx_ring = &priv->rx_rings[DESC_INDEX];
if (likely(napi_schedule_prep(&rx_ring->napi))) {
}
}
- if (priv->irq0_stat & UMAC_IRQ_TXDMA_DONE) {
+ if (status & UMAC_IRQ_TXDMA_DONE) {
tx_ring = &priv->tx_rings[DESC_INDEX];
if (likely(napi_schedule_prep(&tx_ring->napi))) {
}
}
- if (priv->irq0_stat & (UMAC_IRQ_PHY_DET_R |
- UMAC_IRQ_PHY_DET_F |
- UMAC_IRQ_LINK_EVENT |
- UMAC_IRQ_HFB_SM |
- UMAC_IRQ_HFB_MM |
- UMAC_IRQ_MPD_R)) {
- /* all other interested interrupts handled in bottom half */
- schedule_work(&priv->bcmgenet_irq_work);
- }
-
if ((priv->hw_params->flags & GENET_HAS_MDIO_INTR) &&
- priv->irq0_stat & (UMAC_IRQ_MDIO_DONE | UMAC_IRQ_MDIO_ERROR)) {
- priv->irq0_stat &= ~(UMAC_IRQ_MDIO_DONE | UMAC_IRQ_MDIO_ERROR);
+ status & (UMAC_IRQ_MDIO_DONE | UMAC_IRQ_MDIO_ERROR)) {
wake_up(&priv->wq);
}
+ /* all other interested interrupts handled in bottom half */
+ status &= (UMAC_IRQ_LINK_EVENT |
+ UMAC_IRQ_MPD_R);
+ if (status) {
+ /* Save irq status for bottom-half processing. */
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->irq0_stat |= status;
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ schedule_work(&priv->bcmgenet_irq_work);
+ }
+
return IRQ_HANDLED;
}
err_fini_dma:
bcmgenet_fini_dma(priv);
err_clk_disable:
+ if (priv->internal_phy)
+ bcmgenet_power_down(priv, GENET_POWER_PASSIVE);
clk_disable_unprepare(priv->clk);
return ret;
}
*/
gphy_rev = reg & 0xffff;
+ /* This is reserved so should require special treatment */
+ if (gphy_rev == 0 || gphy_rev == 0x01ff) {
+ pr_warn("Invalid GPHY revision detected: 0x%04x\n", gphy_rev);
+ return;
+ }
+
/* This is the good old scheme, just GPHY major, no minor nor patch */
if ((gphy_rev & 0xf0) != 0)
priv->gphy_rev = gphy_rev << 8;
else if ((gphy_rev & 0xff00) != 0)
priv->gphy_rev = gphy_rev;
- /* This is reserved so should require special treatment */
- else if (gphy_rev == 0 || gphy_rev == 0x01ff) {
- pr_warn("Invalid GPHY revision detected: 0x%04x\n", gphy_rev);
- return;
- }
-
#ifdef CONFIG_PHYS_ADDR_T_64BIT
if (!(params->flags & GENET_HAS_40BITS))
pr_warn("GENET does not support 40-bits PA\n");
const void *macaddr;
struct resource *r;
int err = -EIO;
+ const char *phy_mode_str;
/* Up to GENET_MAX_MQ_CNT + 1 TX queues and RX queues */
dev = alloc_etherdev_mqs(sizeof(*priv), GENET_MAX_MQ_CNT + 1,
goto err;
}
+ spin_lock_init(&priv->lock);
+
SET_NETDEV_DEV(dev, &pdev->dev);
dev_set_drvdata(&pdev->dev, dev);
ether_addr_copy(dev->dev_addr, macaddr);
priv->clk_eee = NULL;
}
+ /* If this is an internal GPHY, power it on now, before UniMAC is
+ * brought out of reset as absolutely no UniMAC activity is allowed
+ */
+ if (dn && !of_property_read_string(dn, "phy-mode", &phy_mode_str) &&
+ !strcasecmp(phy_mode_str, "internal"))
+ bcmgenet_power_up(priv, GENET_POWER_PASSIVE);
+
err = reset_umac(priv);
if (err)
goto err_clk_disable;
return 0;
out_clk_disable:
+ if (priv->internal_phy)
+ bcmgenet_power_down(priv, GENET_POWER_PASSIVE);
clk_disable_unprepare(priv->clk);
return ret;
}
/*
- * Copyright (c) 2014 Broadcom Corporation
+ * Copyright (c) 2014-2017 Broadcom
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#define MDIO_REG_SHIFT 16
#define MDIO_REG_MASK 0x1F
-#define UMAC_RBUF_OVFL_CNT 0x61C
+#define UMAC_RBUF_OVFL_CNT_V1 0x61C
+#define RBUF_OVFL_CNT_V2 0x80
+#define RBUF_OVFL_CNT_V3PLUS 0x94
#define UMAC_MPD_CTRL 0x620
#define MPD_EN (1 << 0)
#define UMAC_MPD_PW_MS 0x624
#define UMAC_MPD_PW_LS 0x628
-#define UMAC_RBUF_ERR_CNT 0x634
+#define UMAC_RBUF_ERR_CNT_V1 0x634
+#define RBUF_ERR_CNT_V2 0x84
+#define RBUF_ERR_CNT_V3PLUS 0x98
#define UMAC_MDF_ERR_CNT 0x638
#define UMAC_MDF_CTRL 0x650
#define UMAC_MDF_ADDR 0x654
struct work_struct bcmgenet_irq_work;
int irq0;
int irq1;
- unsigned int irq0_stat;
- unsigned int irq1_stat;
int wol_irq;
bool wol_irq_disabled;
+ /* shared status */
+ spinlock_t lock;
+ unsigned int irq0_stat;
+
/* HW descriptors/checksum variables */
bool desc_64b_en;
bool desc_rxchk_en;
*/
struct octeon_sg_entry *sg;
- u64 sg_dma_ptr;
+ dma_addr_t sg_dma_ptr;
};
struct handshake {
struct octnic_gather *g;
int i;
+ kfree(lio->glist_lock);
+ lio->glist_lock = NULL;
+
if (!lio->glist)
return;
do {
g = (struct octnic_gather *)
list_delete_head(&lio->glist[i]);
- if (g) {
- if (g->sg) {
- dma_unmap_single(&lio->oct_dev->
- pci_dev->dev,
- g->sg_dma_ptr,
- g->sg_size,
- DMA_TO_DEVICE);
- kfree((void *)((unsigned long)g->sg -
- g->adjust));
- }
+ if (g)
kfree(g);
- }
} while (g);
+
+ if (lio->glists_virt_base && lio->glists_virt_base[i]) {
+ lio_dma_free(lio->oct_dev,
+ lio->glist_entry_size * lio->tx_qsize,
+ lio->glists_virt_base[i],
+ lio->glists_dma_base[i]);
+ }
}
- kfree((void *)lio->glist);
- kfree((void *)lio->glist_lock);
+ kfree(lio->glists_virt_base);
+ lio->glists_virt_base = NULL;
+
+ kfree(lio->glists_dma_base);
+ lio->glists_dma_base = NULL;
+
+ kfree(lio->glist);
+ lio->glist = NULL;
}
/**
lio->glist_lock = kcalloc(num_iqs, sizeof(*lio->glist_lock),
GFP_KERNEL);
if (!lio->glist_lock)
- return 1;
+ return -ENOMEM;
lio->glist = kcalloc(num_iqs, sizeof(*lio->glist),
GFP_KERNEL);
if (!lio->glist) {
- kfree((void *)lio->glist_lock);
- return 1;
+ kfree(lio->glist_lock);
+ lio->glist_lock = NULL;
+ return -ENOMEM;
+ }
+
+ lio->glist_entry_size =
+ ROUNDUP8((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * OCT_SG_ENTRY_SIZE);
+
+ /* allocate memory to store virtual and dma base address of
+ * per glist consistent memory
+ */
+ lio->glists_virt_base = kcalloc(num_iqs, sizeof(*lio->glists_virt_base),
+ GFP_KERNEL);
+ lio->glists_dma_base = kcalloc(num_iqs, sizeof(*lio->glists_dma_base),
+ GFP_KERNEL);
+
+ if (!lio->glists_virt_base || !lio->glists_dma_base) {
+ delete_glists(lio);
+ return -ENOMEM;
}
for (i = 0; i < num_iqs; i++) {
INIT_LIST_HEAD(&lio->glist[i]);
+ lio->glists_virt_base[i] =
+ lio_dma_alloc(oct,
+ lio->glist_entry_size * lio->tx_qsize,
+ &lio->glists_dma_base[i]);
+
+ if (!lio->glists_virt_base[i]) {
+ delete_glists(lio);
+ return -ENOMEM;
+ }
+
for (j = 0; j < lio->tx_qsize; j++) {
g = kzalloc_node(sizeof(*g), GFP_KERNEL,
numa_node);
if (!g)
break;
- g->sg_size = ((ROUNDUP4(OCTNIC_MAX_SG) >> 2) *
- OCT_SG_ENTRY_SIZE);
+ g->sg = lio->glists_virt_base[i] +
+ (j * lio->glist_entry_size);
- g->sg = kmalloc_node(g->sg_size + 8,
- GFP_KERNEL, numa_node);
- if (!g->sg)
- g->sg = kmalloc(g->sg_size + 8, GFP_KERNEL);
- if (!g->sg) {
- kfree(g);
- break;
- }
-
- /* The gather component should be aligned on 64-bit
- * boundary
- */
- if (((unsigned long)g->sg) & 7) {
- g->adjust = 8 - (((unsigned long)g->sg) & 7);
- g->sg = (struct octeon_sg_entry *)
- ((unsigned long)g->sg + g->adjust);
- }
- g->sg_dma_ptr = dma_map_single(&oct->pci_dev->dev,
- g->sg, g->sg_size,
- DMA_TO_DEVICE);
- if (dma_mapping_error(&oct->pci_dev->dev,
- g->sg_dma_ptr)) {
- kfree((void *)((unsigned long)g->sg -
- g->adjust));
- kfree(g);
- break;
- }
+ g->sg_dma_ptr = lio->glists_dma_base[i] +
+ (j * lio->glist_entry_size);
list_add_tail(&g->list, &lio->glist[i]);
}
if (j != lio->tx_qsize) {
delete_glists(lio);
- return 1;
+ return -ENOMEM;
}
}
i++;
}
- dma_sync_single_for_cpu(&lio->oct_dev->pci_dev->dev,
- g->sg_dma_ptr, g->sg_size, DMA_TO_DEVICE);
-
iq = skb_iq(lio, skb);
spin_lock(&lio->glist_lock[iq]);
list_add_tail(&g->list, &lio->glist[iq]);
i++;
}
- dma_sync_single_for_cpu(&lio->oct_dev->pci_dev->dev,
- g->sg_dma_ptr, g->sg_size, DMA_TO_DEVICE);
-
iq = skb_iq(lio, skb);
spin_lock(&lio->glist_lock[iq]);
i++;
}
- dma_sync_single_for_device(&oct->pci_dev->dev, g->sg_dma_ptr,
- g->sg_size, DMA_TO_DEVICE);
dptr = g->sg_dma_ptr;
if (OCTEON_CN23XX_PF(oct))
* received from the IP layer.
*/
struct octeon_sg_entry *sg;
+
+ dma_addr_t sg_dma_ptr;
};
struct octeon_device_priv {
struct octnic_gather *g;
int i;
+ kfree(lio->glist_lock);
+ lio->glist_lock = NULL;
+
if (!lio->glist)
return;
do {
g = (struct octnic_gather *)
list_delete_head(&lio->glist[i]);
- if (g) {
- if (g->sg)
- kfree((void *)((unsigned long)g->sg -
- g->adjust));
+ if (g)
kfree(g);
- }
} while (g);
+
+ if (lio->glists_virt_base && lio->glists_virt_base[i]) {
+ lio_dma_free(lio->oct_dev,
+ lio->glist_entry_size * lio->tx_qsize,
+ lio->glists_virt_base[i],
+ lio->glists_dma_base[i]);
+ }
}
+ kfree(lio->glists_virt_base);
+ lio->glists_virt_base = NULL;
+
+ kfree(lio->glists_dma_base);
+ lio->glists_dma_base = NULL;
+
kfree(lio->glist);
- kfree(lio->glist_lock);
+ lio->glist = NULL;
}
/**
lio->glist_lock =
kzalloc(sizeof(*lio->glist_lock) * num_iqs, GFP_KERNEL);
if (!lio->glist_lock)
- return 1;
+ return -ENOMEM;
lio->glist =
kzalloc(sizeof(*lio->glist) * num_iqs, GFP_KERNEL);
if (!lio->glist) {
kfree(lio->glist_lock);
- return 1;
+ lio->glist_lock = NULL;
+ return -ENOMEM;
+ }
+
+ lio->glist_entry_size =
+ ROUNDUP8((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * OCT_SG_ENTRY_SIZE);
+
+ /* allocate memory to store virtual and dma base address of
+ * per glist consistent memory
+ */
+ lio->glists_virt_base = kcalloc(num_iqs, sizeof(*lio->glists_virt_base),
+ GFP_KERNEL);
+ lio->glists_dma_base = kcalloc(num_iqs, sizeof(*lio->glists_dma_base),
+ GFP_KERNEL);
+
+ if (!lio->glists_virt_base || !lio->glists_dma_base) {
+ delete_glists(lio);
+ return -ENOMEM;
}
for (i = 0; i < num_iqs; i++) {
INIT_LIST_HEAD(&lio->glist[i]);
+ lio->glists_virt_base[i] =
+ lio_dma_alloc(lio->oct_dev,
+ lio->glist_entry_size * lio->tx_qsize,
+ &lio->glists_dma_base[i]);
+
+ if (!lio->glists_virt_base[i]) {
+ delete_glists(lio);
+ return -ENOMEM;
+ }
+
for (j = 0; j < lio->tx_qsize; j++) {
g = kzalloc(sizeof(*g), GFP_KERNEL);
if (!g)
break;
- g->sg_size = ((ROUNDUP4(OCTNIC_MAX_SG) >> 2) *
- OCT_SG_ENTRY_SIZE);
+ g->sg = lio->glists_virt_base[i] +
+ (j * lio->glist_entry_size);
- g->sg = kmalloc(g->sg_size + 8, GFP_KERNEL);
- if (!g->sg) {
- kfree(g);
- break;
- }
+ g->sg_dma_ptr = lio->glists_dma_base[i] +
+ (j * lio->glist_entry_size);
- /* The gather component should be aligned on 64-bit
- * boundary
- */
- if (((unsigned long)g->sg) & 7) {
- g->adjust = 8 - (((unsigned long)g->sg) & 7);
- g->sg = (struct octeon_sg_entry *)
- ((unsigned long)g->sg + g->adjust);
- }
list_add_tail(&g->list, &lio->glist[i]);
}
if (j != lio->tx_qsize) {
delete_glists(lio);
- return 1;
+ return -ENOMEM;
}
}
i++;
}
- dma_unmap_single(&lio->oct_dev->pci_dev->dev,
- finfo->dptr, g->sg_size,
- DMA_TO_DEVICE);
-
iq = skb_iq(lio, skb);
spin_lock(&lio->glist_lock[iq]);
i++;
}
- dma_unmap_single(&lio->oct_dev->pci_dev->dev,
- finfo->dptr, g->sg_size,
- DMA_TO_DEVICE);
-
iq = skb_iq(lio, skb);
spin_lock(&lio->glist_lock[iq]);
i++;
}
- dptr = dma_map_single(&oct->pci_dev->dev,
- g->sg, g->sg_size,
- DMA_TO_DEVICE);
- if (dma_mapping_error(&oct->pci_dev->dev, dptr)) {
- dev_err(&oct->pci_dev->dev, "%s DMA mapping error 4\n",
- __func__);
- dma_unmap_single(&oct->pci_dev->dev, g->sg[0].ptr[0],
- skb->len - skb->data_len,
- DMA_TO_DEVICE);
- for (j = 1; j <= frags; j++) {
- frag = &skb_shinfo(skb)->frags[j - 1];
- dma_unmap_page(&oct->pci_dev->dev,
- g->sg[j >> 2].ptr[j & 3],
- frag->size, DMA_TO_DEVICE);
- }
- return NETDEV_TX_BUSY;
- }
+ dptr = g->sg_dma_ptr;
ndata.cmd.cmd3.dptr = dptr;
finfo->dptr = dptr;
#define CN23XX_MAX_RINGS_PER_VF 8
#define CN23XX_MAX_INPUT_QUEUES CN23XX_MAX_RINGS_PER_PF
-#define CN23XX_MAX_IQ_DESCRIPTORS 2048
+#define CN23XX_MAX_IQ_DESCRIPTORS 512
#define CN23XX_DB_MIN 1
#define CN23XX_DB_MAX 8
#define CN23XX_DB_TIMEOUT 1
#define CN23XX_MAX_OUTPUT_QUEUES CN23XX_MAX_RINGS_PER_PF
-#define CN23XX_MAX_OQ_DESCRIPTORS 2048
+#define CN23XX_MAX_OQ_DESCRIPTORS 512
#define CN23XX_OQ_BUF_SIZE 1536
#define CN23XX_OQ_PKTSPER_INTR 128
/*#define CAVIUM_ONLY_CN23XX_RX_PERF*/
-#define CN23XX_OQ_REFIL_THRESHOLD 128
+#define CN23XX_OQ_REFIL_THRESHOLD 16
#define CN23XX_OQ_INTR_PKT 64
#define CN23XX_OQ_INTR_TIME 100
recv_buffer_destroy(droq->recv_buf_list[i].buffer,
pg_info);
- if (droq->desc_ring && droq->desc_ring[i].info_ptr)
- lio_unmap_ring_info(oct->pci_dev,
- (u64)droq->
- desc_ring[i].info_ptr,
- OCT_DROQ_INFO_SIZE);
droq->recv_buf_list[i].buffer = NULL;
}
vfree(droq->recv_buf_list);
if (droq->info_base_addr)
- cnnic_free_aligned_dma(oct->pci_dev, droq->info_list,
- droq->info_alloc_size,
- droq->info_base_addr,
- droq->info_list_dma);
+ lio_free_info_buffer(oct, droq);
if (droq->desc_ring)
lio_dma_free(oct, (droq->max_count * OCT_DROQ_DESC_SIZE),
dev_dbg(&oct->pci_dev->dev, "droq[%d]: num_desc: %d\n", q_no,
droq->max_count);
- droq->info_list =
- cnnic_numa_alloc_aligned_dma((droq->max_count *
- OCT_DROQ_INFO_SIZE),
- &droq->info_alloc_size,
- &droq->info_base_addr,
- numa_node);
+ droq->info_list = lio_alloc_info_buffer(oct, droq);
if (!droq->info_list) {
dev_err(&oct->pci_dev->dev, "Cannot allocate memory for info list.\n");
lio_dma_free(oct, (droq->max_count * OCT_DROQ_DESC_SIZE),
size_t desc_ring_dma;
/** Info ptr list are allocated at this virtual address. */
- size_t info_base_addr;
+ void *info_base_addr;
/** DMA mapped address of the info list */
- size_t info_list_dma;
+ dma_addr_t info_list_dma;
/** Allocated size of info list. */
u32 info_alloc_size;
return 1;
}
-static inline void *
-cnnic_numa_alloc_aligned_dma(u32 size,
- u32 *alloc_size,
- size_t *orig_ptr,
- int numa_node)
-{
- int retries = 0;
- void *ptr = NULL;
-
-#define OCTEON_MAX_ALLOC_RETRIES 1
- do {
- struct page *page = NULL;
-
- page = alloc_pages_node(numa_node,
- GFP_KERNEL,
- get_order(size));
- if (!page)
- page = alloc_pages(GFP_KERNEL,
- get_order(size));
- ptr = (void *)page_address(page);
- if ((unsigned long)ptr & 0x07) {
- __free_pages(page, get_order(size));
- ptr = NULL;
- /* Increment the size required if the first
- * attempt failed.
- */
- if (!retries)
- size += 7;
- }
- retries++;
- } while ((retries <= OCTEON_MAX_ALLOC_RETRIES) && !ptr);
-
- *alloc_size = size;
- *orig_ptr = (unsigned long)ptr;
- if ((unsigned long)ptr & 0x07)
- ptr = (void *)(((unsigned long)ptr + 7) & ~(7UL));
- return ptr;
-}
-
-#define cnnic_free_aligned_dma(pci_dev, ptr, size, orig_ptr, dma_addr) \
- free_pages(orig_ptr, get_order(size))
-
static inline int
sleep_cond(wait_queue_head_t *wait_queue, int *condition)
{
/** Array of gather component linked lists */
struct list_head *glist;
+ void **glists_virt_base;
+ dma_addr_t *glists_dma_base;
+ u32 glist_entry_size;
/** Pointer to the NIC properties for the Octeon device this network
* interface is associated with.
#define lio_dma_free(oct, size, virt_addr, dma_addr) \
dma_free_coherent(&(oct)->pci_dev->dev, size, virt_addr, dma_addr)
+static inline void *
+lio_alloc_info_buffer(struct octeon_device *oct,
+ struct octeon_droq *droq)
+{
+ void *virt_ptr;
+
+ virt_ptr = lio_dma_alloc(oct, (droq->max_count * OCT_DROQ_INFO_SIZE),
+ &droq->info_list_dma);
+ if (virt_ptr) {
+ droq->info_alloc_size = droq->max_count * OCT_DROQ_INFO_SIZE;
+ droq->info_base_addr = virt_ptr;
+ }
+
+ return virt_ptr;
+}
+
+static inline void lio_free_info_buffer(struct octeon_device *oct,
+ struct octeon_droq *droq)
+{
+ lio_dma_free(oct, droq->info_alloc_size, droq->info_base_addr,
+ droq->info_list_dma);
+}
+
static inline
void *get_rbd(struct sk_buff *skb)
{
static inline u64
lio_map_ring_info(struct octeon_droq *droq, u32 i)
{
- dma_addr_t dma_addr;
- struct octeon_device *oct = droq->oct_dev;
-
- dma_addr = dma_map_single(&oct->pci_dev->dev, &droq->info_list[i],
- OCT_DROQ_INFO_SIZE, DMA_FROM_DEVICE);
-
- WARN_ON(dma_mapping_error(&oct->pci_dev->dev, dma_addr));
-
- return (u64)dma_addr;
-}
-
-static inline void
-lio_unmap_ring_info(struct pci_dev *pci_dev,
- u64 info_ptr, u32 size)
-{
- dma_unmap_single(&pci_dev->dev, info_ptr, size, DMA_FROM_DEVICE);
+ return droq->info_list_dma + (i * sizeof(struct octeon_droq_info));
}
static inline u64
#define MAX_QUEUES_PER_QSET 8
struct queue_set *qs;
struct nicvf_cq_poll *napi[8];
+ void *iommu_domain;
u8 vf_id;
u8 sqs_id;
bool sqs_mode;
#include <linux/log2.h>
#include <linux/prefetch.h>
#include <linux/irq.h>
+#include <linux/iommu.h>
#include "nic_reg.h"
#include "nic.h"
/* Get actual TSO descriptors and free them */
tso_sqe =
(struct sq_hdr_subdesc *)GET_SQ_DESC(sq, hdr->rsvd2);
+ nicvf_unmap_sndq_buffers(nic, sq, hdr->rsvd2,
+ tso_sqe->subdesc_cnt);
nicvf_put_sq_desc(sq, tso_sqe->subdesc_cnt + 1);
+ } else {
+ nicvf_unmap_sndq_buffers(nic, sq, cqe_tx->sqe_ptr,
+ hdr->subdesc_cnt);
}
nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1);
prefetch(skb);
{
struct sk_buff *skb;
struct nicvf *nic = netdev_priv(netdev);
+ struct nicvf *snic = nic;
int err = 0;
int rq_idx;
if (err && !cqe_rx->rb_cnt)
return;
- skb = nicvf_get_rcv_skb(nic, cqe_rx);
+ skb = nicvf_get_rcv_skb(snic, cqe_rx);
if (!skb) {
netdev_dbg(nic->netdev, "Packet not received\n");
return;
if (!pass1_silicon(nic->pdev))
nic->hw_tso = true;
+ /* Get iommu domain for iova to physical addr conversion */
+ nic->iommu_domain = iommu_get_domain_for_dev(dev);
+
pci_read_config_word(nic->pdev, PCI_SUBSYSTEM_ID, &sdevid);
if (sdevid == 0xA134)
nic->t88 = true;
#include <linux/netdevice.h>
#include <linux/ip.h>
#include <linux/etherdevice.h>
+#include <linux/iommu.h>
#include <net/ip.h>
#include <net/tso.h>
#include "q_struct.h"
#include "nicvf_queues.h"
+#define NICVF_PAGE_ORDER ((PAGE_SIZE <= 4096) ? PAGE_ALLOC_COSTLY_ORDER : 0)
+
+static inline u64 nicvf_iova_to_phys(struct nicvf *nic, dma_addr_t dma_addr)
+{
+ /* Translation is installed only when IOMMU is present */
+ if (nic->iommu_domain)
+ return iommu_iova_to_phys(nic->iommu_domain, dma_addr);
+ return dma_addr;
+}
+
static void nicvf_get_page(struct nicvf *nic)
{
if (!nic->rb_pageref || !nic->rb_page)
static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, gfp_t gfp,
u32 buf_len, u64 **rbuf)
{
- int order = (PAGE_SIZE <= 4096) ? PAGE_ALLOC_COSTLY_ORDER : 0;
+ int order = NICVF_PAGE_ORDER;
/* Check if request can be accomodated in previous allocated page */
if (nic->rb_page &&
}
nicvf_get_page(nic);
- nic->rb_page = NULL;
/* Allocate a new page */
+ nic->rb_page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN,
+ order);
if (!nic->rb_page) {
- nic->rb_page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN,
- order);
- if (!nic->rb_page) {
- this_cpu_inc(nic->pnicvf->drv_stats->
- rcv_buffer_alloc_failures);
- return -ENOMEM;
- }
- nic->rb_page_offset = 0;
+ this_cpu_inc(nic->pnicvf->drv_stats->rcv_buffer_alloc_failures);
+ return -ENOMEM;
}
-
+ nic->rb_page_offset = 0;
ret:
- *rbuf = (u64 *)((u64)page_address(nic->rb_page) + nic->rb_page_offset);
+ /* HW will ensure data coherency, CPU sync not required */
+ *rbuf = (u64 *)((u64)dma_map_page_attrs(&nic->pdev->dev, nic->rb_page,
+ nic->rb_page_offset, buf_len,
+ DMA_FROM_DEVICE,
+ DMA_ATTR_SKIP_CPU_SYNC));
+ if (dma_mapping_error(&nic->pdev->dev, (dma_addr_t)*rbuf)) {
+ if (!nic->rb_page_offset)
+ __free_pages(nic->rb_page, order);
+ nic->rb_page = NULL;
+ return -ENOMEM;
+ }
nic->rb_page_offset += buf_len;
return 0;
rbdr->dma_size = buf_size;
rbdr->enable = true;
rbdr->thresh = RBDR_THRESH;
+ rbdr->head = 0;
+ rbdr->tail = 0;
nic->rb_page = NULL;
for (idx = 0; idx < ring_len; idx++) {
err = nicvf_alloc_rcv_buffer(nic, GFP_KERNEL, RCV_FRAG_LEN,
&rbuf);
- if (err)
+ if (err) {
+ /* To free already allocated and mapped ones */
+ rbdr->tail = idx - 1;
return err;
+ }
desc = GET_RBDR_DESC(rbdr, idx);
- desc->buf_addr = virt_to_phys(rbuf) >> NICVF_RCV_BUF_ALIGN;
+ desc->buf_addr = (u64)rbuf >> NICVF_RCV_BUF_ALIGN;
}
nicvf_get_page(nic);
static void nicvf_free_rbdr(struct nicvf *nic, struct rbdr *rbdr)
{
int head, tail;
- u64 buf_addr;
+ u64 buf_addr, phys_addr;
struct rbdr_entry_t *desc;
if (!rbdr)
head = rbdr->head;
tail = rbdr->tail;
- /* Free SKBs */
+ /* Release page references */
while (head != tail) {
desc = GET_RBDR_DESC(rbdr, head);
- buf_addr = desc->buf_addr << NICVF_RCV_BUF_ALIGN;
- put_page(virt_to_page(phys_to_virt(buf_addr)));
+ buf_addr = ((u64)desc->buf_addr) << NICVF_RCV_BUF_ALIGN;
+ phys_addr = nicvf_iova_to_phys(nic, buf_addr);
+ dma_unmap_page_attrs(&nic->pdev->dev, buf_addr, RCV_FRAG_LEN,
+ DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC);
+ if (phys_addr)
+ put_page(virt_to_page(phys_to_virt(phys_addr)));
head++;
head &= (rbdr->dmem.q_len - 1);
}
- /* Free SKB of tail desc */
+ /* Release buffer of tail desc */
desc = GET_RBDR_DESC(rbdr, tail);
- buf_addr = desc->buf_addr << NICVF_RCV_BUF_ALIGN;
- put_page(virt_to_page(phys_to_virt(buf_addr)));
+ buf_addr = ((u64)desc->buf_addr) << NICVF_RCV_BUF_ALIGN;
+ phys_addr = nicvf_iova_to_phys(nic, buf_addr);
+ dma_unmap_page_attrs(&nic->pdev->dev, buf_addr, RCV_FRAG_LEN,
+ DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC);
+ if (phys_addr)
+ put_page(virt_to_page(phys_to_virt(phys_addr)));
/* Free RBDR ring */
nicvf_free_q_desc_mem(nic, &rbdr->dmem);
break;
desc = GET_RBDR_DESC(rbdr, tail);
- desc->buf_addr = virt_to_phys(rbuf) >> NICVF_RCV_BUF_ALIGN;
+ desc->buf_addr = (u64)rbuf >> NICVF_RCV_BUF_ALIGN;
refill_rb_cnt--;
new_rb++;
}
return 0;
}
+void nicvf_unmap_sndq_buffers(struct nicvf *nic, struct snd_queue *sq,
+ int hdr_sqe, u8 subdesc_cnt)
+{
+ u8 idx;
+ struct sq_gather_subdesc *gather;
+
+ /* Unmap DMA mapped skb data buffers */
+ for (idx = 0; idx < subdesc_cnt; idx++) {
+ hdr_sqe++;
+ hdr_sqe &= (sq->dmem.q_len - 1);
+ gather = (struct sq_gather_subdesc *)GET_SQ_DESC(sq, hdr_sqe);
+ /* HW will ensure data coherency, CPU sync not required */
+ dma_unmap_page_attrs(&nic->pdev->dev, gather->addr,
+ gather->size, DMA_TO_DEVICE,
+ DMA_ATTR_SKIP_CPU_SYNC);
+ }
+}
+
static void nicvf_free_snd_queue(struct nicvf *nic, struct snd_queue *sq)
{
struct sk_buff *skb;
+ struct sq_hdr_subdesc *hdr;
+ struct sq_hdr_subdesc *tso_sqe;
if (!sq)
return;
smp_rmb();
while (sq->head != sq->tail) {
skb = (struct sk_buff *)sq->skbuff[sq->head];
- if (skb)
- dev_kfree_skb_any(skb);
+ if (!skb)
+ goto next;
+ hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, sq->head);
+ /* Check for dummy descriptor used for HW TSO offload on 88xx */
+ if (hdr->dont_send) {
+ /* Get actual TSO descriptors and unmap them */
+ tso_sqe =
+ (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, hdr->rsvd2);
+ nicvf_unmap_sndq_buffers(nic, sq, hdr->rsvd2,
+ tso_sqe->subdesc_cnt);
+ } else {
+ nicvf_unmap_sndq_buffers(nic, sq, sq->head,
+ hdr->subdesc_cnt);
+ }
+ dev_kfree_skb_any(skb);
+next:
sq->head++;
sq->head &= (sq->dmem.q_len - 1);
}
nicvf_send_msg_to_pf(nic, &mbx);
if (!nic->sqs_mode && (qidx == 0)) {
- /* Enable checking L3/L4 length and TCP/UDP checksums */
+ /* Enable checking L3/L4 length and TCP/UDP checksums
+ * Also allow IPv6 pkts with zero UDP checksum.
+ */
nicvf_queue_reg_write(nic, NIC_QSET_RQ_GEN_CFG, 0,
- (BIT(24) | BIT(23) | BIT(21)));
+ (BIT(24) | BIT(23) | BIT(21) | BIT(20)));
nicvf_config_vlan_stripping(nic, nic->netdev->features);
}
return qentry;
}
+/* Rollback to previous tail pointer when descriptors not used */
+static inline void nicvf_rollback_sq_desc(struct snd_queue *sq,
+ int qentry, int desc_cnt)
+{
+ sq->tail = qentry;
+ atomic_add(desc_cnt, &sq->free_cnt);
+}
+
/* Free descriptor back to SQ for future use */
void nicvf_put_sq_desc(struct snd_queue *sq, int desc_cnt)
{
struct sk_buff *skb, u8 sq_num)
{
int i, size;
- int subdesc_cnt, tso_sqe = 0;
+ int subdesc_cnt, hdr_sqe = 0;
int qentry;
+ u64 dma_addr;
subdesc_cnt = nicvf_sq_subdesc_required(nic, skb);
if (subdesc_cnt > atomic_read(&sq->free_cnt))
/* Add SQ header subdesc */
nicvf_sq_add_hdr_subdesc(nic, sq, qentry, subdesc_cnt - 1,
skb, skb->len);
- tso_sqe = qentry;
+ hdr_sqe = qentry;
/* Add SQ gather subdescs */
qentry = nicvf_get_nxt_sqentry(sq, qentry);
size = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len;
- nicvf_sq_add_gather_subdesc(sq, qentry, size, virt_to_phys(skb->data));
+ /* HW will ensure data coherency, CPU sync not required */
+ dma_addr = dma_map_page_attrs(&nic->pdev->dev, virt_to_page(skb->data),
+ offset_in_page(skb->data), size,
+ DMA_TO_DEVICE, DMA_ATTR_SKIP_CPU_SYNC);
+ if (dma_mapping_error(&nic->pdev->dev, dma_addr)) {
+ nicvf_rollback_sq_desc(sq, qentry, subdesc_cnt);
+ return 0;
+ }
+
+ nicvf_sq_add_gather_subdesc(sq, qentry, size, dma_addr);
/* Check for scattered buffer */
if (!skb_is_nonlinear(skb))
qentry = nicvf_get_nxt_sqentry(sq, qentry);
size = skb_frag_size(frag);
- nicvf_sq_add_gather_subdesc(sq, qentry, size,
- virt_to_phys(
- skb_frag_address(frag)));
+ dma_addr = dma_map_page_attrs(&nic->pdev->dev,
+ skb_frag_page(frag),
+ frag->page_offset, size,
+ DMA_TO_DEVICE,
+ DMA_ATTR_SKIP_CPU_SYNC);
+ if (dma_mapping_error(&nic->pdev->dev, dma_addr)) {
+ /* Free entire chain of mapped buffers
+ * here 'i' = frags mapped + above mapped skb->data
+ */
+ nicvf_unmap_sndq_buffers(nic, sq, hdr_sqe, i);
+ nicvf_rollback_sq_desc(sq, qentry, subdesc_cnt);
+ return 0;
+ }
+ nicvf_sq_add_gather_subdesc(sq, qentry, size, dma_addr);
}
doorbell:
if (nic->t88 && skb_shinfo(skb)->gso_size) {
qentry = nicvf_get_nxt_sqentry(sq, qentry);
- nicvf_sq_add_cqe_subdesc(sq, qentry, tso_sqe, skb);
+ nicvf_sq_add_cqe_subdesc(sq, qentry, hdr_sqe, skb);
}
nicvf_sq_doorbell(nic, skb, sq_num, subdesc_cnt);
int offset;
u16 *rb_lens = NULL;
u64 *rb_ptrs = NULL;
+ u64 phys_addr;
rb_lens = (void *)cqe_rx + (3 * sizeof(u64));
/* Except 88xx pass1 on all other chips CQE_RX2_S is added to
else
rb_ptrs = (void *)cqe_rx + (7 * sizeof(u64));
- netdev_dbg(nic->netdev, "%s rb_cnt %d rb0_ptr %llx rb0_sz %d\n",
- __func__, cqe_rx->rb_cnt, cqe_rx->rb0_ptr, cqe_rx->rb0_sz);
-
for (frag = 0; frag < cqe_rx->rb_cnt; frag++) {
payload_len = rb_lens[frag_num(frag)];
+ phys_addr = nicvf_iova_to_phys(nic, *rb_ptrs);
+ if (!phys_addr) {
+ if (skb)
+ dev_kfree_skb_any(skb);
+ return NULL;
+ }
+
if (!frag) {
/* First fragment */
+ dma_unmap_page_attrs(&nic->pdev->dev,
+ *rb_ptrs - cqe_rx->align_pad,
+ RCV_FRAG_LEN, DMA_FROM_DEVICE,
+ DMA_ATTR_SKIP_CPU_SYNC);
skb = nicvf_rb_ptr_to_skb(nic,
- *rb_ptrs - cqe_rx->align_pad,
+ phys_addr - cqe_rx->align_pad,
payload_len);
if (!skb)
return NULL;
skb_put(skb, payload_len);
} else {
/* Add fragments */
- page = virt_to_page(phys_to_virt(*rb_ptrs));
- offset = phys_to_virt(*rb_ptrs) - page_address(page);
+ dma_unmap_page_attrs(&nic->pdev->dev, *rb_ptrs,
+ RCV_FRAG_LEN, DMA_FROM_DEVICE,
+ DMA_ATTR_SKIP_CPU_SYNC);
+ page = virt_to_page(phys_to_virt(phys_addr));
+ offset = phys_to_virt(phys_addr) - page_address(page);
skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
offset, payload_len, RCV_FRAG_LEN);
}
#define RCV_BUF_COUNT (1ULL << (RBDR_SIZE + 13))
#define MAX_RCV_BUF_COUNT (1ULL << (RBDR_SIZE6 + 13))
#define RBDR_THRESH (RCV_BUF_COUNT / 2)
-#define DMA_BUFFER_LEN 2048 /* In multiples of 128bytes */
+#define DMA_BUFFER_LEN 1536 /* In multiples of 128bytes */
#define RCV_FRAG_LEN (SKB_DATA_ALIGN(DMA_BUFFER_LEN + NET_SKB_PAD) + \
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
#define CQ_ERR_MASK (CQ_WR_FULL | CQ_WR_DISABLE | CQ_WR_FAULT)
+void nicvf_unmap_sndq_buffers(struct nicvf *nic, struct snd_queue *sq,
+ int hdr_sqe, u8 subdesc_cnt);
void nicvf_config_vlan_stripping(struct nicvf *nic,
netdev_features_t features);
int nicvf_set_qset_resources(struct nicvf *nic);
return 1;
}
+static int max_bgx_per_node;
+static void set_max_bgx_per_node(struct pci_dev *pdev)
+{
+ u16 sdevid;
+
+ if (max_bgx_per_node)
+ return;
+
+ pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &sdevid);
+ switch (sdevid) {
+ case PCI_SUBSYS_DEVID_81XX_BGX:
+ max_bgx_per_node = MAX_BGX_PER_CN81XX;
+ break;
+ case PCI_SUBSYS_DEVID_83XX_BGX:
+ max_bgx_per_node = MAX_BGX_PER_CN83XX;
+ break;
+ case PCI_SUBSYS_DEVID_88XX_BGX:
+ default:
+ max_bgx_per_node = MAX_BGX_PER_CN88XX;
+ break;
+ }
+}
+
+static struct bgx *get_bgx(int node, int bgx_idx)
+{
+ int idx = (node * max_bgx_per_node) + bgx_idx;
+
+ return bgx_vnic[idx];
+}
+
/* Return number of BGX present in HW */
unsigned bgx_get_map(int node)
{
int i;
unsigned map = 0;
- for (i = 0; i < MAX_BGX_PER_NODE; i++) {
- if (bgx_vnic[(node * MAX_BGX_PER_NODE) + i])
+ for (i = 0; i < max_bgx_per_node; i++) {
+ if (bgx_vnic[(node * max_bgx_per_node) + i])
map |= (1 << i);
}
{
struct bgx *bgx;
- bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx];
+ bgx = get_bgx(node, bgx_idx);
if (bgx)
return bgx->lmac_count;
struct bgx *bgx;
struct lmac *lmac;
- bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx];
+ bgx = get_bgx(node, bgx_idx);
if (!bgx)
return;
const u8 *bgx_get_lmac_mac(int node, int bgx_idx, int lmacid)
{
- struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx];
+ struct bgx *bgx = get_bgx(node, bgx_idx);
if (bgx)
return bgx->lmac[lmacid].mac;
void bgx_set_lmac_mac(int node, int bgx_idx, int lmacid, const u8 *mac)
{
- struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx];
+ struct bgx *bgx = get_bgx(node, bgx_idx);
if (!bgx)
return;
void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable)
{
- struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx];
+ struct bgx *bgx = get_bgx(node, bgx_idx);
struct lmac *lmac;
u64 cfg;
void bgx_lmac_get_pfc(int node, int bgx_idx, int lmacid, void *pause)
{
struct pfc *pfc = (struct pfc *)pause;
- struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_CN88XX) + bgx_idx];
+ struct bgx *bgx = get_bgx(node, bgx_idx);
struct lmac *lmac;
u64 cfg;
void bgx_lmac_set_pfc(int node, int bgx_idx, int lmacid, void *pause)
{
struct pfc *pfc = (struct pfc *)pause;
- struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_CN88XX) + bgx_idx];
+ struct bgx *bgx = get_bgx(node, bgx_idx);
struct lmac *lmac;
u64 cfg;
{
struct bgx *bgx;
- bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx];
+ bgx = get_bgx(node, bgx_idx);
if (!bgx)
return 0;
{
struct bgx *bgx;
- bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx];
+ bgx = get_bgx(node, bgx_idx);
if (!bgx)
return 0;
struct lmac *lmac;
u64 cfg;
- bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx];
+ bgx = get_bgx(node, bgx_idx);
if (!bgx)
return;
dev_info(dev, "%s: 40G_KR4\n", (char *)str);
break;
case BGX_MODE_QSGMII:
- if ((lmacid == 0) &&
- (bgx_get_lane2sds_cfg(bgx, lmac) != lmacid))
- return;
- if ((lmacid == 2) &&
- (bgx_get_lane2sds_cfg(bgx, lmac) == lmacid))
- return;
dev_info(dev, "%s: QSGMII\n", (char *)str);
break;
case BGX_MODE_RGMII:
goto err_release_regions;
}
+ set_max_bgx_per_node(pdev);
+
pci_read_config_word(pdev, PCI_DEVICE_ID, &sdevid);
if (sdevid != PCI_DEVICE_ID_THUNDER_RGX) {
bgx->bgx_id = (pci_resource_start(pdev,
PCI_CFG_REG_BAR_NUM) >> 24) & BGX_ID_MASK;
- bgx->bgx_id += nic_get_node_id(pdev) * MAX_BGX_PER_NODE;
+ bgx->bgx_id += nic_get_node_id(pdev) * max_bgx_per_node;
bgx->max_lmac = MAX_LMAC_PER_BGX;
bgx_vnic[bgx->bgx_id] = bgx;
} else {
#define MAX_BGX_PER_CN88XX 2
#define MAX_BGX_PER_CN81XX 3 /* 2 BGXs + 1 RGX */
#define MAX_BGX_PER_CN83XX 4
-#define MAX_BGX_PER_NODE 4
#define MAX_LMAC_PER_BGX 4
#define MAX_BGX_CHANS_PER_LMAC 16
#define MAX_DMAC_PER_LMAC 8
static int emac_dt_phy_connect(struct emac_instance *dev,
struct device_node *phy_handle)
{
- int res;
-
dev->phy.def = devm_kzalloc(&dev->ofdev->dev, sizeof(*dev->phy.def),
GFP_KERNEL);
if (!dev->phy.def)
{
struct device_node *np = dev->ofdev->dev.of_node;
struct device_node *phy_handle;
- int res = 0;
+ int res = 1;
phy_handle = of_parse_phandle(np, "phy-handle", 0);
if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) {
int res = emac_dt_phy_probe(dev);
- mutex_unlock(&emac_phy_map_lock);
- if (!res)
+ switch (res) {
+ case 1:
+ /* No phy-handle property configured.
+ * Continue with the existing phy probe
+ * and setup code.
+ */
+ break;
+
+ case 0:
+ mutex_unlock(&emac_phy_map_lock);
goto init_phy;
- dev_err(&dev->ofdev->dev, "failed to attach dt phy (%d).\n",
- res);
- return res;
+ default:
+ mutex_unlock(&emac_phy_map_lock);
+ dev_err(&dev->ofdev->dev, "failed to attach dt phy (%d).\n",
+ res);
+ return res;
+ }
}
if (dev->phy_address != 0xffffffff)
send_map_query(adapter);
for (i = 0; i < rxadd_subcrqs; i++) {
init_rx_pool(adapter, &adapter->rx_pool[i],
- IBMVNIC_BUFFS_PER_POOL, i,
+ adapter->req_rx_add_entries_per_subcrq, i,
be64_to_cpu(size_array[i]), 1);
if (alloc_rx_pool(adapter, &adapter->rx_pool[i])) {
dev_err(dev, "Couldn't alloc rx pool\n");
for (i = 0; i < tx_subcrqs; i++) {
tx_pool = &adapter->tx_pool[i];
tx_pool->tx_buff =
- kcalloc(adapter->max_tx_entries_per_subcrq,
+ kcalloc(adapter->req_tx_entries_per_subcrq,
sizeof(struct ibmvnic_tx_buff), GFP_KERNEL);
if (!tx_pool->tx_buff)
goto tx_pool_alloc_failed;
if (alloc_long_term_buff(adapter, &tx_pool->long_term_buff,
- adapter->max_tx_entries_per_subcrq *
+ adapter->req_tx_entries_per_subcrq *
adapter->req_mtu))
goto tx_ltb_alloc_failed;
tx_pool->free_map =
- kcalloc(adapter->max_tx_entries_per_subcrq,
+ kcalloc(adapter->req_tx_entries_per_subcrq,
sizeof(int), GFP_KERNEL);
if (!tx_pool->free_map)
goto tx_fm_alloc_failed;
- for (j = 0; j < adapter->max_tx_entries_per_subcrq; j++)
+ for (j = 0; j < adapter->req_tx_entries_per_subcrq; j++)
tx_pool->free_map[j] = j;
tx_pool->consumer_index = 0;
u8 *hdrs = (u8 *)&adapter->tx_rx_desc_req;
struct device *dev = &adapter->vdev->dev;
struct ibmvnic_tx_buff *tx_buff = NULL;
+ struct ibmvnic_sub_crq_queue *tx_scrq;
struct ibmvnic_tx_pool *tx_pool;
unsigned int tx_send_failed = 0;
unsigned int tx_map_failed = 0;
int ret = 0;
tx_pool = &adapter->tx_pool[queue_num];
+ tx_scrq = adapter->tx_scrq[queue_num];
txq = netdev_get_tx_queue(netdev, skb_get_queue_mapping(skb));
handle_array = (u64 *)((u8 *)(adapter->login_rsp_buf) +
be32_to_cpu(adapter->login_rsp_buf->
tx_pool->consumer_index =
(tx_pool->consumer_index + 1) %
- adapter->max_tx_entries_per_subcrq;
+ adapter->req_tx_entries_per_subcrq;
tx_buff = &tx_pool->tx_buff[index];
tx_buff->skb = skb;
if (tx_pool->consumer_index == 0)
tx_pool->consumer_index =
- adapter->max_tx_entries_per_subcrq - 1;
+ adapter->req_tx_entries_per_subcrq - 1;
else
tx_pool->consumer_index--;
ret = NETDEV_TX_BUSY;
goto out;
}
+
+ atomic_inc(&tx_scrq->used);
+
+ if (atomic_read(&tx_scrq->used) >= adapter->req_tx_entries_per_subcrq) {
+ netdev_info(netdev, "Stopping queue %d\n", queue_num);
+ netif_stop_subqueue(netdev, queue_num);
+ }
+
tx_packets++;
tx_bytes += skb->len;
txq->trans_start = jiffies;
scrq->adapter = adapter;
scrq->size = 4 * PAGE_SIZE / sizeof(*scrq->msgs);
scrq->cur = 0;
+ atomic_set(&scrq->used, 0);
scrq->rx_skb_top = NULL;
spin_lock_init(&scrq->lock);
DMA_TO_DEVICE);
}
- if (txbuff->last_frag)
+ if (txbuff->last_frag) {
+ atomic_dec(&scrq->used);
+
+ if (atomic_read(&scrq->used) <=
+ (adapter->req_tx_entries_per_subcrq / 2) &&
+ netif_subqueue_stopped(adapter->netdev,
+ txbuff->skb)) {
+ netif_wake_subqueue(adapter->netdev,
+ scrq->pool_index);
+ netdev_dbg(adapter->netdev,
+ "Started queue %d\n",
+ scrq->pool_index);
+ }
+
dev_kfree_skb_any(txbuff->skb);
+ }
adapter->tx_pool[pool].free_map[adapter->tx_pool[pool].
producer_index] = index;
adapter->tx_pool[pool].producer_index =
(adapter->tx_pool[pool].producer_index + 1) %
- adapter->max_tx_entries_per_subcrq;
+ adapter->req_tx_entries_per_subcrq;
}
/* remove tx_comp scrq*/
next->tx_comp.first = 0;
spinlock_t lock;
struct sk_buff *rx_skb_top;
struct ibmvnic_adapter *adapter;
+ atomic_t used;
};
struct ibmvnic_long_term_buff {
config MLX5_CORE_EN
bool "Mellanox Technologies ConnectX-4 Ethernet support"
depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE
+ depends on IPV6=y || IPV6=n || MLX5_CORE=m
imply PTP_1588_CLOCK
default n
---help---
struct mlx5e_priv *priv = netdev_priv(dev);
struct mlx5e_dcbx *dcbx = &priv->dcbx;
+ if (mode & DCB_CAP_DCBX_LLD_MANAGED)
+ return 1;
+
if ((!mode) && MLX5_CAP_GEN(priv->mdev, dcbx)) {
if (dcbx->mode == MLX5E_DCBX_PARAM_VER_OPER_AUTO)
return 0;
return 1;
}
- if (mlx5e_dcbnl_switch_to_host_mode(netdev_priv(dev)))
+ if (!(mode & DCB_CAP_DCBX_HOST))
return 1;
- if ((mode & DCB_CAP_DCBX_LLD_MANAGED) ||
- !(mode & DCB_CAP_DCBX_VER_CEE) ||
- !(mode & DCB_CAP_DCBX_VER_IEEE) ||
- !(mode & DCB_CAP_DCBX_HOST))
+ if (mlx5e_dcbnl_switch_to_host_mode(netdev_priv(dev)))
return 1;
return 0;
struct iphdr *iph;
/* We are only going to peek, no need to clone the SKB */
- if (skb->protocol != htons(ETH_P_IP))
- goto out;
-
if (MLX5E_TEST_PKT_SIZE - ETH_HLEN > skb_headlen(skb))
goto out;
lbtp->loopback_ok = false;
init_completion(&lbtp->comp);
- lbtp->pt.type = htons(ETH_P_ALL);
+ lbtp->pt.type = htons(ETH_P_IP);
lbtp->pt.func = mlx5e_test_loopback_validate;
lbtp->pt.dev = priv->netdev;
lbtp->pt.af_packet_priv = lbtp;
#include "eswitch.h"
#include "vxlan.h"
+enum {
+ MLX5E_TC_FLOW_ESWITCH = BIT(0),
+};
+
struct mlx5e_tc_flow {
struct rhash_head node;
u64 cookie;
+ u8 flags;
struct mlx5_flow_handle *rule;
struct list_head encap; /* flows sharing the same encap */
struct mlx5_esw_flow_attr *attr;
mlx5_fc_destroy(priv->mdev, counter);
}
- if (esw && esw->mode == SRIOV_OFFLOADS) {
+ if (flow->flags & MLX5E_TC_FLOW_ESWITCH) {
mlx5_eswitch_del_vlan_action(esw, flow->attr);
if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
mlx5e_detach_encap(priv, flow);
}
static int parse_cls_flower(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow,
struct mlx5_flow_spec *spec,
struct tc_cls_flower_offload *f)
{
err = __parse_cls_flower(priv, spec, f, &min_inline);
- if (!err && esw->mode == SRIOV_OFFLOADS &&
+ if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH) &&
rep->vport != FDB_UPLINK_VPORT) {
if (min_inline > esw->offloads.inline_mode) {
netdev_warn(priv->netdev,
struct tc_cls_flower_offload *f)
{
struct mlx5e_tc_table *tc = &priv->fs.tc;
- int err = 0;
- bool fdb_flow = false;
+ int err, attr_size = 0;
u32 flow_tag, action;
struct mlx5e_tc_flow *flow;
struct mlx5_flow_spec *spec;
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ u8 flow_flags = 0;
- if (esw && esw->mode == SRIOV_OFFLOADS)
- fdb_flow = true;
-
- if (fdb_flow)
- flow = kzalloc(sizeof(*flow) +
- sizeof(struct mlx5_esw_flow_attr),
- GFP_KERNEL);
- else
- flow = kzalloc(sizeof(*flow), GFP_KERNEL);
+ if (esw && esw->mode == SRIOV_OFFLOADS) {
+ flow_flags = MLX5E_TC_FLOW_ESWITCH;
+ attr_size = sizeof(struct mlx5_esw_flow_attr);
+ }
+ flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL);
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec || !flow) {
err = -ENOMEM;
}
flow->cookie = f->cookie;
+ flow->flags = flow_flags;
- err = parse_cls_flower(priv, spec, f);
+ err = parse_cls_flower(priv, flow, spec, f);
if (err < 0)
goto err_free;
- if (fdb_flow) {
+ if (flow->flags & MLX5E_TC_FLOW_ESWITCH) {
flow->attr = (struct mlx5_esw_flow_attr *)(flow + 1);
err = parse_tc_fdb_actions(priv, f->exts, flow);
if (err < 0)
u32 *match_criteria)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
- struct list_head *prev = ft->node.children.prev;
+ struct list_head *prev = &ft->node.children;
unsigned int candidate_index = 0;
struct mlx5_flow_group *fg;
void *match_criteria_addr;
if (err)
goto clean_load;
+ pci_save_state(pdev);
return 0;
clean_load:
mlx5_enter_error_state(dev);
mlx5_unload_one(dev, priv, false);
- /* In case of kernel call save the pci state and drain the health wq */
+ /* In case of kernel call drain the health wq */
if (state) {
- pci_save_state(pdev);
mlx5_drain_health_wq(dev);
mlx5_pci_disable_device(dev);
}
pci_set_master(pdev);
pci_restore_state(pdev);
+ pci_save_state(pdev);
if (wait_vital(pdev)) {
dev_err(&pdev->dev, "%s: wait_vital timed out\n", __func__);
#define MLXSW_REG_SPVM_ID 0x200F
#define MLXSW_REG_SPVM_BASE_LEN 0x04 /* base length, without records */
#define MLXSW_REG_SPVM_REC_LEN 0x04 /* record length */
-#define MLXSW_REG_SPVM_REC_MAX_COUNT 256
+#define MLXSW_REG_SPVM_REC_MAX_COUNT 255
#define MLXSW_REG_SPVM_LEN (MLXSW_REG_SPVM_BASE_LEN + \
MLXSW_REG_SPVM_REC_LEN * MLXSW_REG_SPVM_REC_MAX_COUNT)
#define MLXSW_REG_SPVMLR_ID 0x2020
#define MLXSW_REG_SPVMLR_BASE_LEN 0x04 /* base length, without records */
#define MLXSW_REG_SPVMLR_REC_LEN 0x04 /* record length */
-#define MLXSW_REG_SPVMLR_REC_MAX_COUNT 256
+#define MLXSW_REG_SPVMLR_REC_MAX_COUNT 255
#define MLXSW_REG_SPVMLR_LEN (MLXSW_REG_SPVMLR_BASE_LEN + \
MLXSW_REG_SPVMLR_REC_LEN * \
MLXSW_REG_SPVMLR_REC_MAX_COUNT)
ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, mlxsw_sp_port->dev,
ingress,
MLXSW_SP_ACL_PROFILE_FLOWER);
- if (WARN_ON(IS_ERR(ruleset)))
+ if (IS_ERR(ruleset))
return;
rule = mlxsw_sp_acl_rule_lookup(mlxsw_sp, ruleset, f->cookie);
- if (!WARN_ON(!rule)) {
+ if (rule) {
mlxsw_sp_acl_rule_del(mlxsw_sp, rule);
mlxsw_sp_acl_rule_destroy(mlxsw_sp, rule);
}
u32 page_sz = p_mgr->clients[ILT_CLI_CDUC].p_size.val;
u32 cxt_size = CONN_CXT_SIZE(p_hwfn);
u32 elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
+ u32 align = elems_per_page * DQ_RANGE_ALIGN;
- p_conn->cid_count = roundup(p_conn->cid_count, elems_per_page);
+ p_conn->cid_count = roundup(p_conn->cid_count, align);
}
}
* size/capacity fields are of a u32 type.
*/
if ((cnt_type == QED_CHAIN_CNT_TYPE_U16 &&
- chain_size > 0x10000) ||
- (cnt_type == QED_CHAIN_CNT_TYPE_U32 &&
- chain_size > 0x100000000ULL)) {
+ chain_size > ((u32)U16_MAX + 1)) ||
+ (cnt_type == QED_CHAIN_CNT_TYPE_U32 && chain_size > U32_MAX)) {
DP_NOTICE(cdev,
"The actual chain size (0x%llx) is larger than the maximal possible value\n",
chain_size);
p_init->num_sq_pages_in_ring = p_params->num_sq_pages_in_ring;
p_init->num_r2tq_pages_in_ring = p_params->num_r2tq_pages_in_ring;
p_init->num_uhq_pages_in_ring = p_params->num_uhq_pages_in_ring;
+ p_init->ooo_enable = p_params->ooo_enable;
+ p_init->ll2_rx_queue_id = p_hwfn->hw_info.resc_start[QED_LL2_QUEUE] +
+ p_params->ll2_ooo_queue_id;
p_init->func_params.log_page_size = p_params->log_page_size;
val = p_params->num_tasks;
p_init->func_params.num_tasks = cpu_to_le16(val);
spin_unlock_bh(&p_hwfn->p_iscsi_info->lock);
}
+void qed_iscsi_free_connection(struct qed_hwfn *p_hwfn,
+ struct qed_iscsi_conn *p_conn)
+{
+ qed_chain_free(p_hwfn->cdev, &p_conn->xhq);
+ qed_chain_free(p_hwfn->cdev, &p_conn->uhq);
+ qed_chain_free(p_hwfn->cdev, &p_conn->r2tq);
+ dma_free_coherent(&p_hwfn->cdev->pdev->dev,
+ sizeof(struct tcp_upload_params),
+ p_conn->tcp_upload_params_virt_addr,
+ p_conn->tcp_upload_params_phys_addr);
+ dma_free_coherent(&p_hwfn->cdev->pdev->dev,
+ sizeof(struct scsi_terminate_extra_params),
+ p_conn->queue_cnts_virt_addr,
+ p_conn->queue_cnts_phys_addr);
+ kfree(p_conn);
+}
+
struct qed_iscsi_info *qed_iscsi_alloc(struct qed_hwfn *p_hwfn)
{
struct qed_iscsi_info *p_iscsi_info;
void qed_iscsi_free(struct qed_hwfn *p_hwfn,
struct qed_iscsi_info *p_iscsi_info)
{
+ struct qed_iscsi_conn *p_conn = NULL;
+
+ while (!list_empty(&p_hwfn->p_iscsi_info->free_list)) {
+ p_conn = list_first_entry(&p_hwfn->p_iscsi_info->free_list,
+ struct qed_iscsi_conn, list_entry);
+ if (p_conn) {
+ list_del(&p_conn->list_entry);
+ qed_iscsi_free_connection(p_hwfn, p_conn);
+ }
+ }
+
kfree(p_iscsi_info);
}
/* If need to reuse or there's no replacement buffer, repost this */
if (rc)
goto out_post;
+ dma_unmap_single(&cdev->pdev->dev, buffer->phys_addr,
+ cdev->ll2->rx_size, DMA_FROM_DEVICE);
skb = build_skb(buffer->data, 0);
if (!skb) {
static int qed_ll2_rxq_completion_reg(struct qed_hwfn *p_hwfn,
struct qed_ll2_info *p_ll2_conn,
union core_rx_cqe_union *p_cqe,
- unsigned long lock_flags,
+ unsigned long *p_lock_flags,
bool b_last_cqe)
{
struct qed_ll2_rx_queue *p_rx = &p_ll2_conn->rx_queue;
"Mismatch between active_descq and the LL2 Rx chain\n");
list_add_tail(&p_pkt->list_entry, &p_rx->free_descq);
- spin_unlock_irqrestore(&p_rx->lock, lock_flags);
+ spin_unlock_irqrestore(&p_rx->lock, *p_lock_flags);
qed_ll2b_complete_rx_packet(p_hwfn, p_ll2_conn->my_id,
p_pkt, &p_cqe->rx_cqe_fp, b_last_cqe);
- spin_lock_irqsave(&p_rx->lock, lock_flags);
+ spin_lock_irqsave(&p_rx->lock, *p_lock_flags);
return 0;
}
break;
case CORE_RX_CQE_TYPE_REGULAR:
rc = qed_ll2_rxq_completion_reg(p_hwfn, p_ll2_conn,
- cqe, flags, b_last_cqe);
+ cqe, &flags,
+ b_last_cqe);
break;
default:
rc = -EIO;
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
u8 *handle = &hwfn->pf_params.iscsi_pf_params.ll2_ooo_queue_id;
- struct qed_ll2_conn ll2_info;
+ struct qed_ll2_conn ll2_info = { 0 };
int rc;
ll2_info.conn_type = QED_LL2_TYPE_ISCSI_OOO;
if (!p_ooo_info->ooo_history.p_cqes)
goto no_history_mem;
+ p_ooo_info->ooo_history.num_of_cqes = QED_MAX_NUM_OOO_HISTORY_ENTRIES;
+
return p_ooo_info;
no_history_mem:
* Ethtool support
*/
static int
-smc_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd)
+smc_ethtool_get_link_ksettings(struct net_device *dev,
+ struct ethtool_link_ksettings *cmd)
{
struct smc_local *lp = netdev_priv(dev);
int ret;
- cmd->maxtxpkt = 1;
- cmd->maxrxpkt = 1;
-
if (lp->phy_type != 0) {
spin_lock_irq(&lp->lock);
- ret = mii_ethtool_gset(&lp->mii, cmd);
+ ret = mii_ethtool_get_link_ksettings(&lp->mii, cmd);
spin_unlock_irq(&lp->lock);
} else {
- cmd->supported = SUPPORTED_10baseT_Half |
+ u32 supported = SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_TP | SUPPORTED_AUI;
if (lp->ctl_rspeed == 10)
- ethtool_cmd_speed_set(cmd, SPEED_10);
+ cmd->base.speed = SPEED_10;
else if (lp->ctl_rspeed == 100)
- ethtool_cmd_speed_set(cmd, SPEED_100);
+ cmd->base.speed = SPEED_100;
+
+ cmd->base.autoneg = AUTONEG_DISABLE;
+ cmd->base.port = 0;
+ cmd->base.duplex = lp->tcr_cur_mode & TCR_SWFDUP ?
+ DUPLEX_FULL : DUPLEX_HALF;
- cmd->autoneg = AUTONEG_DISABLE;
- cmd->transceiver = XCVR_INTERNAL;
- cmd->port = 0;
- cmd->duplex = lp->tcr_cur_mode & TCR_SWFDUP ? DUPLEX_FULL : DUPLEX_HALF;
+ ethtool_convert_legacy_u32_to_link_mode(
+ cmd->link_modes.supported, supported);
ret = 0;
}
}
static int
-smc_ethtool_setsettings(struct net_device *dev, struct ethtool_cmd *cmd)
+smc_ethtool_set_link_ksettings(struct net_device *dev,
+ const struct ethtool_link_ksettings *cmd)
{
struct smc_local *lp = netdev_priv(dev);
int ret;
if (lp->phy_type != 0) {
spin_lock_irq(&lp->lock);
- ret = mii_ethtool_sset(&lp->mii, cmd);
+ ret = mii_ethtool_set_link_ksettings(&lp->mii, cmd);
spin_unlock_irq(&lp->lock);
} else {
- if (cmd->autoneg != AUTONEG_DISABLE ||
- cmd->speed != SPEED_10 ||
- (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL) ||
- (cmd->port != PORT_TP && cmd->port != PORT_AUI))
+ if (cmd->base.autoneg != AUTONEG_DISABLE ||
+ cmd->base.speed != SPEED_10 ||
+ (cmd->base.duplex != DUPLEX_HALF &&
+ cmd->base.duplex != DUPLEX_FULL) ||
+ (cmd->base.port != PORT_TP && cmd->base.port != PORT_AUI))
return -EINVAL;
-// lp->port = cmd->port;
- lp->ctl_rfduplx = cmd->duplex == DUPLEX_FULL;
+// lp->port = cmd->base.port;
+ lp->ctl_rfduplx = cmd->base.duplex == DUPLEX_FULL;
// if (netif_running(dev))
// smc_set_port(dev);
static const struct ethtool_ops smc_ethtool_ops = {
- .get_settings = smc_ethtool_getsettings,
- .set_settings = smc_ethtool_setsettings,
.get_drvinfo = smc_ethtool_getdrvinfo,
.get_msglevel = smc_ethtool_getmsglevel,
.get_eeprom_len = smc_ethtool_geteeprom_len,
.get_eeprom = smc_ethtool_geteeprom,
.set_eeprom = smc_ethtool_seteeprom,
+ .get_link_ksettings = smc_ethtool_get_link_ksettings,
+ .set_link_ksettings = smc_ethtool_set_link_ksettings,
};
static const struct net_device_ops smc_netdev_ops = {
u32 tx_checksum_mask;
+ u32 tx_send_table[VRSS_SEND_TAB_SIZE];
+
/* Ethtool settings */
u8 duplex;
u32 speed;
struct nvsp_message revoke_packet;
- u32 send_table[VRSS_SEND_TAB_SIZE];
u32 max_chn;
u32 num_chn;
spinlock_t sc_lock; /* Protects num_sc_offered variable */
static void netvsc_send_table(struct hv_device *hdev,
struct nvsp_message *nvmsg)
{
- struct netvsc_device *nvscdev;
struct net_device *ndev = hv_get_drvdata(hdev);
+ struct net_device_context *net_device_ctx = netdev_priv(ndev);
int i;
u32 count, *tab;
- nvscdev = get_outbound_net_device(hdev);
- if (!nvscdev)
- return;
-
count = nvmsg->msg.v5_msg.send_table.count;
if (count != VRSS_SEND_TAB_SIZE) {
netdev_err(ndev, "Received wrong send-table size:%u\n", count);
nvmsg->msg.v5_msg.send_table.offset);
for (i = 0; i < count; i++)
- nvscdev->send_table[i] = tab[i];
+ net_device_ctx->tx_send_table[i] = tab[i];
}
static void netvsc_send_vf(struct net_device_context *net_device_ctx,
void *accel_priv, select_queue_fallback_t fallback)
{
struct net_device_context *net_device_ctx = netdev_priv(ndev);
- struct netvsc_device *nvsc_dev = net_device_ctx->nvdev;
+ unsigned int num_tx_queues = ndev->real_num_tx_queues;
struct sock *sk = skb->sk;
int q_idx = sk_tx_queue_get(sk);
- if (q_idx < 0 || skb->ooo_okay ||
- q_idx >= ndev->real_num_tx_queues) {
+ if (q_idx < 0 || skb->ooo_okay || q_idx >= num_tx_queues) {
u16 hash = __skb_tx_hash(ndev, skb, VRSS_SEND_TAB_SIZE);
int new_idx;
- new_idx = nvsc_dev->send_table[hash]
- % nvsc_dev->num_chn;
+ new_idx = net_device_ctx->tx_send_table[hash] % num_tx_queues;
if (q_idx != new_idx && sk &&
sk_fullsock(sk) && rcu_access_pointer(sk->sk_dst_cache))
q_idx = new_idx;
}
- if (unlikely(!nvsc_dev->chan_table[q_idx].channel))
- q_idx = 0;
-
return q_idx;
}
return m88e1510_hwmon_probe(phydev);
}
-static void marvell_remove(struct phy_device *phydev)
-{
-#ifdef CONFIG_HWMON
-
- struct marvell_priv *priv = phydev->priv;
-
- if (priv && priv->hwmon_dev)
- hwmon_device_unregister(priv->hwmon_dev);
-#endif
-}
-
static struct phy_driver marvell_drivers[] = {
{
.phy_id = MARVELL_PHY_ID_88E1101,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = &m88e1121_probe,
- .remove = &marvell_remove,
.config_init = &m88e1121_config_init,
.config_aneg = &m88e1121_config_aneg,
.read_status = &marvell_read_status,
.features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
.flags = PHY_HAS_INTERRUPT,
.probe = &m88e1510_probe,
- .remove = &marvell_remove,
.config_init = &m88e1510_config_init,
.config_aneg = &m88e1510_config_aneg,
.read_status = &marvell_read_status,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = m88e1510_probe,
- .remove = &marvell_remove,
.config_init = &marvell_config_init,
.config_aneg = &m88e1510_config_aneg,
.read_status = &marvell_read_status,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1545",
.probe = m88e1510_probe,
- .remove = &marvell_remove,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_init = &marvell_config_init,
.phy_id = 0xffffffff,
.phy_id_mask = 0xffffffff,
.name = "Generic PHY",
- .soft_reset = genphy_soft_reset,
+ .soft_reset = genphy_no_soft_reset,
.config_init = genphy_config_init,
.features = PHY_GBIT_FEATURES | SUPPORTED_MII |
SUPPORTED_AUI | SUPPORTED_FIBRE |
if (err)
return err;
- ks->regs_attr.size = ks->chip->regs_size;
memcpy(&ks->regs_attr, &ks8995_registers_attr, sizeof(ks->regs_attr));
+ ks->regs_attr.size = ks->chip->regs_size;
err = ks8995_reset(ks);
if (err)
return err;
+ sysfs_attr_init(&ks->regs_attr.attr);
err = sysfs_create_bin_file(&spi->dev.kobj, &ks->regs_attr);
if (err) {
dev_err(&spi->dev, "unable to create sysfs file, err=%d\n",
static void team_setup(struct net_device *dev)
{
ether_setup(dev);
+ dev->max_mtu = ETH_MAX_MTU;
dev->netdev_ops = &team_netdev_ops;
dev->ethtool_ops = &team_ethtool_ops;
/* Net device open. */
static int tun_net_open(struct net_device *dev)
{
+ struct tun_struct *tun = netdev_priv(dev);
+ int i;
+
netif_tx_start_all_queues(dev);
+
+ for (i = 0; i < tun->numqueues; i++) {
+ struct tun_file *tfile;
+
+ tfile = rtnl_dereference(tun->tfiles[i]);
+ tfile->socket.sk->sk_write_space(tfile->socket.sk);
+ }
+
return 0;
}
if (!skb_array_empty(&tfile->tx_array))
mask |= POLLIN | POLLRDNORM;
- if (sock_writeable(sk) ||
- (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
- sock_writeable(sk)))
+ if (tun->dev->flags & IFF_UP &&
+ (sock_writeable(sk) ||
+ (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
+ sock_writeable(sk))))
mask |= POLLOUT | POLLWRNORM;
if (tun->dev->reg_state != NETREG_REGISTERED)
int ret = 0;
pr_info("%s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
- pr_info("%s\n", DRV_COPYRIGHT);
ret = rtnl_link_register(&tun_link_ops);
if (ret) {
static netdev_tx_t vrf_xmit(struct sk_buff *skb, struct net_device *dev)
{
+ int len = skb->len;
netdev_tx_t ret = is_ip_tx_frame(skb, dev);
if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
u64_stats_update_begin(&dstats->syncp);
dstats->tx_pkts++;
- dstats->tx_bytes += skb->len;
+ dstats->tx_bytes += len;
u64_stats_update_end(&dstats->syncp);
} else {
this_cpu_inc(dev->dstats->tx_drps);
return 0;
}
+static int __vxlan_dev_create(struct net *net, struct net_device *dev,
+ struct vxlan_config *conf)
+{
+ struct vxlan_net *vn = net_generic(net, vxlan_net_id);
+ struct vxlan_dev *vxlan = netdev_priv(dev);
+ int err;
+
+ err = vxlan_dev_configure(net, dev, conf, false);
+ if (err)
+ return err;
+
+ dev->ethtool_ops = &vxlan_ethtool_ops;
+
+ /* create an fdb entry for a valid default destination */
+ if (!vxlan_addr_any(&vxlan->default_dst.remote_ip)) {
+ err = vxlan_fdb_create(vxlan, all_zeros_mac,
+ &vxlan->default_dst.remote_ip,
+ NUD_REACHABLE | NUD_PERMANENT,
+ NLM_F_EXCL | NLM_F_CREATE,
+ vxlan->cfg.dst_port,
+ vxlan->default_dst.remote_vni,
+ vxlan->default_dst.remote_vni,
+ vxlan->default_dst.remote_ifindex,
+ NTF_SELF);
+ if (err)
+ return err;
+ }
+
+ err = register_netdevice(dev);
+ if (err) {
+ vxlan_fdb_delete_default(vxlan, vxlan->default_dst.remote_vni);
+ return err;
+ }
+
+ list_add(&vxlan->next, &vn->vxlan_list);
+ return 0;
+}
+
static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[],
struct net_device *dev, struct vxlan_config *conf,
bool changelink)
static int vxlan_newlink(struct net *src_net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
- struct vxlan_net *vn = net_generic(src_net, vxlan_net_id);
- struct vxlan_dev *vxlan = netdev_priv(dev);
struct vxlan_config conf;
int err;
if (err)
return err;
- err = vxlan_dev_configure(src_net, dev, &conf, false);
- if (err)
- return err;
-
- dev->ethtool_ops = &vxlan_ethtool_ops;
-
- /* create an fdb entry for a valid default destination */
- if (!vxlan_addr_any(&vxlan->default_dst.remote_ip)) {
- err = vxlan_fdb_create(vxlan, all_zeros_mac,
- &vxlan->default_dst.remote_ip,
- NUD_REACHABLE | NUD_PERMANENT,
- NLM_F_EXCL | NLM_F_CREATE,
- vxlan->cfg.dst_port,
- vxlan->default_dst.remote_vni,
- vxlan->default_dst.remote_vni,
- vxlan->default_dst.remote_ifindex,
- NTF_SELF);
- if (err)
- return err;
- }
-
- err = register_netdevice(dev);
- if (err) {
- vxlan_fdb_delete_default(vxlan, vxlan->default_dst.remote_vni);
- return err;
- }
-
- list_add(&vxlan->next, &vn->vxlan_list);
-
- return 0;
+ return __vxlan_dev_create(src_net, dev, &conf);
}
static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[],
if (IS_ERR(dev))
return dev;
- err = vxlan_dev_configure(net, dev, conf, false);
+ err = __vxlan_dev_create(net, dev, conf);
if (err < 0) {
free_netdev(dev);
return ERR_PTR(err);
/* set bd status and length */
bd_status = (bd_status & T_W_S) | T_R_S | T_I_S | T_L_S | T_TC_S;
- iowrite16be(bd_status, &bd->status);
iowrite16be(skb->len, &bd->length);
+ iowrite16be(bd_status, &bd->status);
/* Move to next BD in the ring */
if (!(bd_status & T_W_S))
struct sk_buff *skb;
hdlc_device *hdlc = dev_to_hdlc(dev);
struct qe_bd *bd;
- u32 bd_status;
+ u16 bd_status;
u16 length, howmany = 0;
u8 *bdbuffer;
int i;
struct i2400mu *i2400mu;
struct usb_device *usb_dev = interface_to_usbdev(iface);
+ if (iface->cur_altsetting->desc.bNumEndpoints < 4)
+ return -ENODEV;
+
if (usb_dev->speed != USB_SPEED_HIGH)
dev_err(dev, "device not connected as high speed\n");
{
struct xenvif *vif = netdev_priv(dev);
struct xenvif_queue *queue = NULL;
- unsigned int num_queues = vif->num_queues;
+ unsigned int num_queues;
u16 index;
struct xenvif_rx_cb *cb;
BUG_ON(skb->dev != dev);
- /* Drop the packet if queues are not set up */
+ /* Drop the packet if queues are not set up.
+ * This handler should be called inside an RCU read section
+ * so we don't need to enter it here explicitly.
+ */
+ num_queues = READ_ONCE(vif->num_queues);
if (num_queues < 1)
goto drop;
{
struct xenvif *vif = netdev_priv(dev);
struct xenvif_queue *queue = NULL;
+ unsigned int num_queues;
u64 rx_bytes = 0;
u64 rx_packets = 0;
u64 tx_bytes = 0;
u64 tx_packets = 0;
unsigned int index;
- spin_lock(&vif->lock);
- if (vif->queues == NULL)
- goto out;
+ rcu_read_lock();
+ num_queues = READ_ONCE(vif->num_queues);
/* Aggregate tx and rx stats from each queue */
- for (index = 0; index < vif->num_queues; ++index) {
+ for (index = 0; index < num_queues; ++index) {
queue = &vif->queues[index];
rx_bytes += queue->stats.rx_bytes;
rx_packets += queue->stats.rx_packets;
tx_packets += queue->stats.tx_packets;
}
-out:
- spin_unlock(&vif->lock);
+ rcu_read_unlock();
vif->dev->stats.rx_bytes = rx_bytes;
vif->dev->stats.rx_packets = rx_packets;
struct ethtool_stats *stats, u64 * data)
{
struct xenvif *vif = netdev_priv(dev);
- unsigned int num_queues = vif->num_queues;
+ unsigned int num_queues;
int i;
unsigned int queue_index;
+ rcu_read_lock();
+ num_queues = READ_ONCE(vif->num_queues);
+
for (i = 0; i < ARRAY_SIZE(xenvif_stats); i++) {
unsigned long accum = 0;
for (queue_index = 0; queue_index < num_queues; ++queue_index) {
}
data[i] = accum;
}
+
+ rcu_read_unlock();
}
static void xenvif_get_strings(struct net_device *dev, u32 stringset, u8 * data)
netdev_err(vif->dev, "fatal error; disabling device\n");
vif->disabled = true;
/* Disable the vif from queue 0's kthread */
- if (vif->queues)
+ if (vif->num_queues)
xenvif_kick_thread(&vif->queues[0]);
}
struct xenvif *vif = be->vif;
if (vif) {
+ unsigned int num_queues = vif->num_queues;
unsigned int queue_index;
- struct xenvif_queue *queues;
xen_unregister_watchers(vif);
#ifdef CONFIG_DEBUG_FS
xenvif_debugfs_delif(vif);
#endif /* CONFIG_DEBUG_FS */
xenvif_disconnect_data(vif);
- for (queue_index = 0;
- queue_index < vif->num_queues;
- ++queue_index)
- xenvif_deinit_queue(&vif->queues[queue_index]);
- spin_lock(&vif->lock);
- queues = vif->queues;
+ /* At this point some of the handlers may still be active
+ * so we need to have additional synchronization here.
+ */
vif->num_queues = 0;
- vif->queues = NULL;
- spin_unlock(&vif->lock);
+ synchronize_net();
- vfree(queues);
+ for (queue_index = 0; queue_index < num_queues; ++queue_index)
+ xenvif_deinit_queue(&vif->queues[queue_index]);
+
+ vfree(vif->queues);
+ vif->queues = NULL;
xenvif_disconnect_ctrl(vif);
}
.wapf = 2,
};
-static struct quirk_entry quirk_no_rfkill = {
- .no_rfkill = true,
-};
-
-static struct quirk_entry quirk_no_rfkill_wapf4 = {
- .wapf = 4,
- .no_rfkill = true,
-};
-
static struct quirk_entry quirk_asus_ux303ub = {
.wmi_backlight_native = true,
};
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
},
- .driver_data = &quirk_no_rfkill_wapf4,
+ .driver_data = &quirk_asus_wapf4,
},
{
.callback = dmi_matched,
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
},
- .driver_data = &quirk_no_rfkill_wapf4,
+ .driver_data = &quirk_asus_wapf4,
},
{
.callback = dmi_matched,
},
.driver_data = &quirk_asus_x200ca,
},
- {
- .callback = dmi_matched,
- .ident = "ASUSTeK COMPUTER INC. X555UB",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "X555UB"),
- },
- .driver_data = &quirk_no_rfkill,
- },
- {
- .callback = dmi_matched,
- .ident = "ASUSTeK COMPUTER INC. N552VW",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "N552VW"),
- },
- .driver_data = &quirk_no_rfkill,
- },
- {
- .callback = dmi_matched,
- .ident = "ASUSTeK COMPUTER INC. U303LB",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "U303LB"),
- },
- .driver_data = &quirk_no_rfkill,
- },
- {
- .callback = dmi_matched,
- .ident = "ASUSTeK COMPUTER INC. Z550MA",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Z550MA"),
- },
- .driver_data = &quirk_no_rfkill,
- },
{
.callback = dmi_matched,
.ident = "ASUSTeK COMPUTER INC. UX303UB",
#define USB_INTEL_XUSB2PR 0xD0
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
+static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
+
struct bios_args {
u32 arg0;
u32 arg1;
return 0;
}
+static bool ashs_present(void)
+{
+ int i = 0;
+ while (ashs_ids[i]) {
+ if (acpi_dev_found(ashs_ids[i++]))
+ return true;
+ }
+ return false;
+}
+
/*
* WMI Driver
*/
if (err)
goto fail_leds;
- if (!asus->driver->quirks->no_rfkill) {
+ asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
+ if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
+ asus->driver->wlan_ctrl_by_user = 1;
+
+ if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
err = asus_wmi_rfkill_init(asus);
if (err)
goto fail_rfkill;
if (err)
goto fail_debugfs;
- asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
- if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
- asus->driver->wlan_ctrl_by_user = 1;
-
return 0;
fail_debugfs:
struct asus_wmi;
struct quirk_entry {
- bool no_rfkill;
bool hotplug_wireless;
bool scalar_panel_brightness;
bool store_backlight_power;
#define FUJITSU_LCD_N_LEVELS 8
-#define ACPI_FUJITSU_CLASS "fujitsu"
-#define ACPI_FUJITSU_HID "FUJ02B1"
-#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver"
-#define ACPI_FUJITSU_DEVICE_NAME "Fujitsu FUJ02B1"
-#define ACPI_FUJITSU_HOTKEY_HID "FUJ02E3"
-#define ACPI_FUJITSU_HOTKEY_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver"
-#define ACPI_FUJITSU_HOTKEY_DEVICE_NAME "Fujitsu FUJ02E3"
+#define ACPI_FUJITSU_CLASS "fujitsu"
+#define ACPI_FUJITSU_BL_HID "FUJ02B1"
+#define ACPI_FUJITSU_BL_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver"
+#define ACPI_FUJITSU_BL_DEVICE_NAME "Fujitsu FUJ02B1"
+#define ACPI_FUJITSU_LAPTOP_HID "FUJ02E3"
+#define ACPI_FUJITSU_LAPTOP_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver"
+#define ACPI_FUJITSU_LAPTOP_DEVICE_NAME "Fujitsu FUJ02E3"
#define ACPI_FUJITSU_NOTIFY_CODE1 0x80
/* FUNC interface - command values */
-#define FUNC_RFKILL 0x1000
+#define FUNC_FLAGS 0x1000
#define FUNC_LEDS 0x1001
#define FUNC_BUTTONS 0x1002
#define FUNC_BACKLIGHT 0x1004
/* FUNC interface - responses */
#define UNSUPPORTED_CMD 0x80000000
+/* FUNC interface - status flags */
+#define FLAG_RFKILL 0x020
+#define FLAG_LID 0x100
+#define FLAG_DOCK 0x200
+
#if IS_ENABLED(CONFIG_LEDS_CLASS)
/* FUNC interface - LED control */
#define FUNC_LED_OFF 0x1
#endif
/* Device controlling the backlight and associated keys */
-struct fujitsu_t {
+struct fujitsu_bl {
acpi_handle acpi_handle;
struct acpi_device *dev;
struct input_dev *input;
unsigned int brightness_level;
};
-static struct fujitsu_t *fujitsu;
+static struct fujitsu_bl *fujitsu_bl;
static int use_alt_lcd_levels = -1;
static int disable_brightness_adjust = -1;
-/* Device used to access other hotkeys on the laptop */
-struct fujitsu_hotkey_t {
+/* Device used to access hotkeys and other features on the laptop */
+struct fujitsu_laptop {
acpi_handle acpi_handle;
struct acpi_device *dev;
struct input_dev *input;
struct platform_device *pf_device;
struct kfifo fifo;
spinlock_t fifo_lock;
- int rfkill_supported;
- int rfkill_state;
+ int flags_supported;
+ int flags_state;
int logolamp_registered;
int kblamps_registered;
int radio_led_registered;
int eco_led_registered;
};
-static struct fujitsu_hotkey_t *fujitsu_hotkey;
-
-static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event);
+static struct fujitsu_laptop *fujitsu_laptop;
#if IS_ENABLED(CONFIG_LEDS_CLASS)
static enum led_brightness logolamp_get(struct led_classdev *cdev);
static u32 dbg_level = 0x03;
#endif
-static void acpi_fujitsu_notify(struct acpi_device *device, u32 event);
-
/* Fujitsu ACPI interface function */
static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
unsigned long long value;
acpi_handle handle = NULL;
- status = acpi_get_handle(fujitsu_hotkey->acpi_handle, "FUNC", &handle);
+ status = acpi_get_handle(fujitsu_laptop->acpi_handle, "FUNC", &handle);
if (ACPI_FAILURE(status)) {
vdbg_printk(FUJLAPTOP_DBG_ERROR,
"FUNC interface is not present\n");
enum led_brightness brightness)
{
if (brightness >= LED_FULL)
- return call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, RADIO_LED_ON);
+ return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, RADIO_LED_ON);
else
- return call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, 0x0);
+ return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, 0x0);
}
static int eco_led_set(struct led_classdev *cdev,
{
enum led_brightness brightness = LED_OFF;
- if (call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0) & RADIO_LED_ON)
+ if (call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0) & RADIO_LED_ON)
brightness = LED_FULL;
return brightness;
vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n",
level);
- if (level < 0 || level >= fujitsu->max_brightness)
+ if (level < 0 || level >= fujitsu_bl->max_brightness)
return -EINVAL;
- status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle);
+ status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBLL", &handle);
if (ACPI_FAILURE(status)) {
vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n");
return -ENODEV;
vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n",
level);
- if (level < 0 || level >= fujitsu->max_brightness)
+ if (level < 0 || level >= fujitsu_bl->max_brightness)
return -EINVAL;
- status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle);
+ status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBL2", &handle);
if (ACPI_FAILURE(status)) {
vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n");
return -ENODEV;
vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n");
- status =
- acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state);
+ status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "GBLL", NULL,
+ &state);
if (ACPI_FAILURE(status))
return 0;
- fujitsu->brightness_level = state & 0x0fffffff;
+ fujitsu_bl->brightness_level = state & 0x0fffffff;
if (state & 0x80000000)
- fujitsu->brightness_changed = 1;
+ fujitsu_bl->brightness_changed = 1;
else
- fujitsu->brightness_changed = 0;
+ fujitsu_bl->brightness_changed = 0;
- return fujitsu->brightness_level;
+ return fujitsu_bl->brightness_level;
}
static int get_max_brightness(void)
vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n");
- status =
- acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state);
+ status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "RBLL", NULL,
+ &state);
if (ACPI_FAILURE(status))
return -1;
- fujitsu->max_brightness = state;
+ fujitsu_bl->max_brightness = state;
- return fujitsu->max_brightness;
+ return fujitsu_bl->max_brightness;
}
/* Backlight device stuff */
return ret;
}
-static const struct backlight_ops fujitsubl_ops = {
+static const struct backlight_ops fujitsu_bl_ops = {
.get_brightness = bl_get_brightness,
.update_status = bl_update_status,
};
int ret;
- ret = fujitsu->brightness_changed;
+ ret = fujitsu_bl->brightness_changed;
if (ret < 0)
return ret;
int level, ret;
if (sscanf(buf, "%i", &level) != 1
- || (level < 0 || level >= fujitsu->max_brightness))
+ || (level < 0 || level >= fujitsu_bl->max_brightness))
return -EINVAL;
if (use_alt_lcd_levels)
show_lid_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_hotkey->rfkill_supported & 0x100))
+ if (!(fujitsu_laptop->flags_supported & FLAG_LID))
return sprintf(buf, "unknown\n");
- if (fujitsu_hotkey->rfkill_state & 0x100)
+ if (fujitsu_laptop->flags_state & FLAG_LID)
return sprintf(buf, "open\n");
else
return sprintf(buf, "closed\n");
show_dock_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_hotkey->rfkill_supported & 0x200))
+ if (!(fujitsu_laptop->flags_supported & FLAG_DOCK))
return sprintf(buf, "unknown\n");
- if (fujitsu_hotkey->rfkill_state & 0x200)
+ if (fujitsu_laptop->flags_state & FLAG_DOCK)
return sprintf(buf, "docked\n");
else
return sprintf(buf, "undocked\n");
show_radios_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_hotkey->rfkill_supported & 0x20))
+ if (!(fujitsu_laptop->flags_supported & FLAG_RFKILL))
return sprintf(buf, "unknown\n");
- if (fujitsu_hotkey->rfkill_state & 0x20)
+ if (fujitsu_laptop->flags_state & FLAG_RFKILL)
return sprintf(buf, "on\n");
else
return sprintf(buf, "killed\n");
static DEVICE_ATTR(dock, 0444, show_dock_state, ignore_store);
static DEVICE_ATTR(radios, 0444, show_radios_state, ignore_store);
-static struct attribute *fujitsupf_attributes[] = {
+static struct attribute *fujitsu_pf_attributes[] = {
&dev_attr_brightness_changed.attr,
&dev_attr_max_brightness.attr,
&dev_attr_lcd_level.attr,
NULL
};
-static struct attribute_group fujitsupf_attribute_group = {
- .attrs = fujitsupf_attributes
+static struct attribute_group fujitsu_pf_attribute_group = {
+ .attrs = fujitsu_pf_attributes
};
-static struct platform_driver fujitsupf_driver = {
+static struct platform_driver fujitsu_pf_driver = {
.driver = {
.name = "fujitsu-laptop",
}
static void __init dmi_check_cb_common(const struct dmi_system_id *id)
{
pr_info("Identified laptop model '%s'\n", id->ident);
- if (use_alt_lcd_levels == -1) {
- if (acpi_has_method(NULL,
- "\\_SB.PCI0.LPCB.FJEX.SBL2"))
- use_alt_lcd_levels = 1;
- else
- use_alt_lcd_levels = 0;
- vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as "
- "%i\n", use_alt_lcd_levels);
- }
}
static int __init dmi_check_cb_s6410(const struct dmi_system_id *id)
{
dmi_check_cb_common(id);
- fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */
- fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */
+ fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */
+ fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */
return 1;
}
static int __init dmi_check_cb_s6420(const struct dmi_system_id *id)
{
dmi_check_cb_common(id);
- fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */
- fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */
+ fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */
+ fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */
return 1;
}
static int __init dmi_check_cb_p8010(const struct dmi_system_id *id)
{
dmi_check_cb_common(id);
- fujitsu->keycode1 = KEY_HELP; /* "Support" */
- fujitsu->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */
- fujitsu->keycode4 = KEY_WWW; /* "Internet" */
+ fujitsu_bl->keycode1 = KEY_HELP; /* "Support" */
+ fujitsu_bl->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */
+ fujitsu_bl->keycode4 = KEY_WWW; /* "Internet" */
return 1;
}
/* ACPI device for LCD brightness control */
-static int acpi_fujitsu_add(struct acpi_device *device)
+static int acpi_fujitsu_bl_add(struct acpi_device *device)
{
int state = 0;
struct input_dev *input;
if (!device)
return -EINVAL;
- fujitsu->acpi_handle = device->handle;
- sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME);
+ fujitsu_bl->acpi_handle = device->handle;
+ sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_BL_DEVICE_NAME);
sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
- device->driver_data = fujitsu;
+ device->driver_data = fujitsu_bl;
- fujitsu->input = input = input_allocate_device();
+ fujitsu_bl->input = input = input_allocate_device();
if (!input) {
error = -ENOMEM;
goto err_stop;
}
- snprintf(fujitsu->phys, sizeof(fujitsu->phys),
+ snprintf(fujitsu_bl->phys, sizeof(fujitsu_bl->phys),
"%s/video/input0", acpi_device_hid(device));
input->name = acpi_device_name(device);
- input->phys = fujitsu->phys;
+ input->phys = fujitsu_bl->phys;
input->id.bustype = BUS_HOST;
input->id.product = 0x06;
input->dev.parent = &device->dev;
if (error)
goto err_free_input_dev;
- error = acpi_bus_update_power(fujitsu->acpi_handle, &state);
+ error = acpi_bus_update_power(fujitsu_bl->acpi_handle, &state);
if (error) {
pr_err("Error reading power state\n");
goto err_unregister_input_dev;
acpi_device_name(device), acpi_device_bid(device),
!device->power.state ? "on" : "off");
- fujitsu->dev = device;
+ fujitsu_bl->dev = device;
if (acpi_has_method(device->handle, METHOD_NAME__INI)) {
vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
pr_err("_INI Method failed\n");
}
+ if (use_alt_lcd_levels == -1) {
+ if (acpi_has_method(NULL, "\\_SB.PCI0.LPCB.FJEX.SBL2"))
+ use_alt_lcd_levels = 1;
+ else
+ use_alt_lcd_levels = 0;
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as %i\n",
+ use_alt_lcd_levels);
+ }
+
/* do config (detect defaults) */
use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0;
disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
use_alt_lcd_levels, disable_brightness_adjust);
if (get_max_brightness() <= 0)
- fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS;
+ fujitsu_bl->max_brightness = FUJITSU_LCD_N_LEVELS;
get_lcd_level();
return 0;
return error;
}
-static int acpi_fujitsu_remove(struct acpi_device *device)
+static int acpi_fujitsu_bl_remove(struct acpi_device *device)
{
- struct fujitsu_t *fujitsu = acpi_driver_data(device);
- struct input_dev *input = fujitsu->input;
+ struct fujitsu_bl *fujitsu_bl = acpi_driver_data(device);
+ struct input_dev *input = fujitsu_bl->input;
input_unregister_device(input);
- fujitsu->acpi_handle = NULL;
+ fujitsu_bl->acpi_handle = NULL;
return 0;
}
/* Brightness notify */
-static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
+static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event)
{
struct input_dev *input;
int keycode;
int oldb, newb;
- input = fujitsu->input;
+ input = fujitsu_bl->input;
switch (event) {
case ACPI_FUJITSU_NOTIFY_CODE1:
keycode = 0;
- oldb = fujitsu->brightness_level;
+ oldb = fujitsu_bl->brightness_level;
get_lcd_level();
- newb = fujitsu->brightness_level;
+ newb = fujitsu_bl->brightness_level;
vdbg_printk(FUJLAPTOP_DBG_TRACE,
"brightness button event [%i -> %i (%i)]\n",
- oldb, newb, fujitsu->brightness_changed);
+ oldb, newb, fujitsu_bl->brightness_changed);
if (oldb < newb) {
if (disable_brightness_adjust != 1) {
/* ACPI device for hotkey handling */
-static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
+static int acpi_fujitsu_laptop_add(struct acpi_device *device)
{
int result = 0;
int state = 0;
if (!device)
return -EINVAL;
- fujitsu_hotkey->acpi_handle = device->handle;
+ fujitsu_laptop->acpi_handle = device->handle;
sprintf(acpi_device_name(device), "%s",
- ACPI_FUJITSU_HOTKEY_DEVICE_NAME);
+ ACPI_FUJITSU_LAPTOP_DEVICE_NAME);
sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
- device->driver_data = fujitsu_hotkey;
+ device->driver_data = fujitsu_laptop;
/* kfifo */
- spin_lock_init(&fujitsu_hotkey->fifo_lock);
- error = kfifo_alloc(&fujitsu_hotkey->fifo, RINGBUFFERSIZE * sizeof(int),
+ spin_lock_init(&fujitsu_laptop->fifo_lock);
+ error = kfifo_alloc(&fujitsu_laptop->fifo, RINGBUFFERSIZE * sizeof(int),
GFP_KERNEL);
if (error) {
pr_err("kfifo_alloc failed\n");
goto err_stop;
}
- fujitsu_hotkey->input = input = input_allocate_device();
+ fujitsu_laptop->input = input = input_allocate_device();
if (!input) {
error = -ENOMEM;
goto err_free_fifo;
}
- snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys),
+ snprintf(fujitsu_laptop->phys, sizeof(fujitsu_laptop->phys),
"%s/video/input0", acpi_device_hid(device));
input->name = acpi_device_name(device);
- input->phys = fujitsu_hotkey->phys;
+ input->phys = fujitsu_laptop->phys;
input->id.bustype = BUS_HOST;
input->id.product = 0x06;
input->dev.parent = &device->dev;
set_bit(EV_KEY, input->evbit);
- set_bit(fujitsu->keycode1, input->keybit);
- set_bit(fujitsu->keycode2, input->keybit);
- set_bit(fujitsu->keycode3, input->keybit);
- set_bit(fujitsu->keycode4, input->keybit);
- set_bit(fujitsu->keycode5, input->keybit);
+ set_bit(fujitsu_bl->keycode1, input->keybit);
+ set_bit(fujitsu_bl->keycode2, input->keybit);
+ set_bit(fujitsu_bl->keycode3, input->keybit);
+ set_bit(fujitsu_bl->keycode4, input->keybit);
+ set_bit(fujitsu_bl->keycode5, input->keybit);
set_bit(KEY_TOUCHPAD_TOGGLE, input->keybit);
set_bit(KEY_UNKNOWN, input->keybit);
if (error)
goto err_free_input_dev;
- error = acpi_bus_update_power(fujitsu_hotkey->acpi_handle, &state);
+ error = acpi_bus_update_power(fujitsu_laptop->acpi_handle, &state);
if (error) {
pr_err("Error reading power state\n");
goto err_unregister_input_dev;
acpi_device_name(device), acpi_device_bid(device),
!device->power.state ? "on" : "off");
- fujitsu_hotkey->dev = device;
+ fujitsu_laptop->dev = device;
if (acpi_has_method(device->handle, METHOD_NAME__INI)) {
vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
; /* No action, result is discarded */
vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i);
- fujitsu_hotkey->rfkill_supported =
- call_fext_func(FUNC_RFKILL, 0x0, 0x0, 0x0);
+ fujitsu_laptop->flags_supported =
+ call_fext_func(FUNC_FLAGS, 0x0, 0x0, 0x0);
/* Make sure our bitmask of supported functions is cleared if the
RFKILL function block is not implemented, like on the S7020. */
- if (fujitsu_hotkey->rfkill_supported == UNSUPPORTED_CMD)
- fujitsu_hotkey->rfkill_supported = 0;
+ if (fujitsu_laptop->flags_supported == UNSUPPORTED_CMD)
+ fujitsu_laptop->flags_supported = 0;
- if (fujitsu_hotkey->rfkill_supported)
- fujitsu_hotkey->rfkill_state =
- call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
+ if (fujitsu_laptop->flags_supported)
+ fujitsu_laptop->flags_state =
+ call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0);
/* Suspect this is a keymap of the application panel, print it */
pr_info("BTNI: [0x%x]\n", call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0));
#if IS_ENABLED(CONFIG_LEDS_CLASS)
if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) {
- result = led_classdev_register(&fujitsu->pf_device->dev,
+ result = led_classdev_register(&fujitsu_bl->pf_device->dev,
&logolamp_led);
if (result == 0) {
- fujitsu_hotkey->logolamp_registered = 1;
+ fujitsu_laptop->logolamp_registered = 1;
} else {
pr_err("Could not register LED handler for logo lamp, error %i\n",
result);
if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & KEYBOARD_LAMPS) &&
(call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) == 0x0)) {
- result = led_classdev_register(&fujitsu->pf_device->dev,
+ result = led_classdev_register(&fujitsu_bl->pf_device->dev,
&kblamps_led);
if (result == 0) {
- fujitsu_hotkey->kblamps_registered = 1;
+ fujitsu_laptop->kblamps_registered = 1;
} else {
pr_err("Could not register LED handler for keyboard lamps, error %i\n",
result);
* that an RF LED is present.
*/
if (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) & BIT(24)) {
- result = led_classdev_register(&fujitsu->pf_device->dev,
+ result = led_classdev_register(&fujitsu_bl->pf_device->dev,
&radio_led);
if (result == 0) {
- fujitsu_hotkey->radio_led_registered = 1;
+ fujitsu_laptop->radio_led_registered = 1;
} else {
pr_err("Could not register LED handler for radio LED, error %i\n",
result);
*/
if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & BIT(14)) &&
(call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0) != UNSUPPORTED_CMD)) {
- result = led_classdev_register(&fujitsu->pf_device->dev,
+ result = led_classdev_register(&fujitsu_bl->pf_device->dev,
&eco_led);
if (result == 0) {
- fujitsu_hotkey->eco_led_registered = 1;
+ fujitsu_laptop->eco_led_registered = 1;
} else {
pr_err("Could not register LED handler for eco LED, error %i\n",
result);
err_free_input_dev:
input_free_device(input);
err_free_fifo:
- kfifo_free(&fujitsu_hotkey->fifo);
+ kfifo_free(&fujitsu_laptop->fifo);
err_stop:
return error;
}
-static int acpi_fujitsu_hotkey_remove(struct acpi_device *device)
+static int acpi_fujitsu_laptop_remove(struct acpi_device *device)
{
- struct fujitsu_hotkey_t *fujitsu_hotkey = acpi_driver_data(device);
- struct input_dev *input = fujitsu_hotkey->input;
+ struct fujitsu_laptop *fujitsu_laptop = acpi_driver_data(device);
+ struct input_dev *input = fujitsu_laptop->input;
#if IS_ENABLED(CONFIG_LEDS_CLASS)
- if (fujitsu_hotkey->logolamp_registered)
+ if (fujitsu_laptop->logolamp_registered)
led_classdev_unregister(&logolamp_led);
- if (fujitsu_hotkey->kblamps_registered)
+ if (fujitsu_laptop->kblamps_registered)
led_classdev_unregister(&kblamps_led);
- if (fujitsu_hotkey->radio_led_registered)
+ if (fujitsu_laptop->radio_led_registered)
led_classdev_unregister(&radio_led);
- if (fujitsu_hotkey->eco_led_registered)
+ if (fujitsu_laptop->eco_led_registered)
led_classdev_unregister(&eco_led);
#endif
input_unregister_device(input);
- kfifo_free(&fujitsu_hotkey->fifo);
+ kfifo_free(&fujitsu_laptop->fifo);
- fujitsu_hotkey->acpi_handle = NULL;
+ fujitsu_laptop->acpi_handle = NULL;
return 0;
}
-static void acpi_fujitsu_hotkey_press(int keycode)
+static void acpi_fujitsu_laptop_press(int keycode)
{
- struct input_dev *input = fujitsu_hotkey->input;
+ struct input_dev *input = fujitsu_laptop->input;
int status;
- status = kfifo_in_locked(&fujitsu_hotkey->fifo,
+ status = kfifo_in_locked(&fujitsu_laptop->fifo,
(unsigned char *)&keycode, sizeof(keycode),
- &fujitsu_hotkey->fifo_lock);
+ &fujitsu_laptop->fifo_lock);
if (status != sizeof(keycode)) {
vdbg_printk(FUJLAPTOP_DBG_WARN,
"Could not push keycode [0x%x]\n", keycode);
"Push keycode into ringbuffer [%d]\n", keycode);
}
-static void acpi_fujitsu_hotkey_release(void)
+static void acpi_fujitsu_laptop_release(void)
{
- struct input_dev *input = fujitsu_hotkey->input;
+ struct input_dev *input = fujitsu_laptop->input;
int keycode, status;
while (true) {
- status = kfifo_out_locked(&fujitsu_hotkey->fifo,
+ status = kfifo_out_locked(&fujitsu_laptop->fifo,
(unsigned char *)&keycode,
sizeof(keycode),
- &fujitsu_hotkey->fifo_lock);
+ &fujitsu_laptop->fifo_lock);
if (status != sizeof(keycode))
return;
input_report_key(input, keycode, 0);
}
}
-static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
+static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event)
{
struct input_dev *input;
int keycode;
unsigned int irb = 1;
int i;
- input = fujitsu_hotkey->input;
+ input = fujitsu_laptop->input;
if (event != ACPI_FUJITSU_NOTIFY_CODE1) {
keycode = KEY_UNKNOWN;
return;
}
- if (fujitsu_hotkey->rfkill_supported)
- fujitsu_hotkey->rfkill_state =
- call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
+ if (fujitsu_laptop->flags_supported)
+ fujitsu_laptop->flags_state =
+ call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0);
i = 0;
while ((irb =
&& (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) {
switch (irb & 0x4ff) {
case KEY1_CODE:
- keycode = fujitsu->keycode1;
+ keycode = fujitsu_bl->keycode1;
break;
case KEY2_CODE:
- keycode = fujitsu->keycode2;
+ keycode = fujitsu_bl->keycode2;
break;
case KEY3_CODE:
- keycode = fujitsu->keycode3;
+ keycode = fujitsu_bl->keycode3;
break;
case KEY4_CODE:
- keycode = fujitsu->keycode4;
+ keycode = fujitsu_bl->keycode4;
break;
case KEY5_CODE:
- keycode = fujitsu->keycode5;
+ keycode = fujitsu_bl->keycode5;
break;
case 0:
keycode = 0;
}
if (keycode > 0)
- acpi_fujitsu_hotkey_press(keycode);
+ acpi_fujitsu_laptop_press(keycode);
else if (keycode == 0)
- acpi_fujitsu_hotkey_release();
+ acpi_fujitsu_laptop_release();
}
/* On some models (first seen on the Skylake-based Lifebook
* E736/E746/E756), the touchpad toggle hotkey (Fn+F4) is
- * handled in software; its state is queried using FUNC_RFKILL
+ * handled in software; its state is queried using FUNC_FLAGS
*/
- if ((fujitsu_hotkey->rfkill_supported & BIT(26)) &&
- (call_fext_func(FUNC_RFKILL, 0x1, 0x0, 0x0) & BIT(26))) {
+ if ((fujitsu_laptop->flags_supported & BIT(26)) &&
+ (call_fext_func(FUNC_FLAGS, 0x1, 0x0, 0x0) & BIT(26))) {
keycode = KEY_TOUCHPAD_TOGGLE;
input_report_key(input, keycode, 1);
input_sync(input);
/* Initialization */
-static const struct acpi_device_id fujitsu_device_ids[] = {
- {ACPI_FUJITSU_HID, 0},
+static const struct acpi_device_id fujitsu_bl_device_ids[] = {
+ {ACPI_FUJITSU_BL_HID, 0},
{"", 0},
};
-static struct acpi_driver acpi_fujitsu_driver = {
- .name = ACPI_FUJITSU_DRIVER_NAME,
+static struct acpi_driver acpi_fujitsu_bl_driver = {
+ .name = ACPI_FUJITSU_BL_DRIVER_NAME,
.class = ACPI_FUJITSU_CLASS,
- .ids = fujitsu_device_ids,
+ .ids = fujitsu_bl_device_ids,
.ops = {
- .add = acpi_fujitsu_add,
- .remove = acpi_fujitsu_remove,
- .notify = acpi_fujitsu_notify,
+ .add = acpi_fujitsu_bl_add,
+ .remove = acpi_fujitsu_bl_remove,
+ .notify = acpi_fujitsu_bl_notify,
},
};
-static const struct acpi_device_id fujitsu_hotkey_device_ids[] = {
- {ACPI_FUJITSU_HOTKEY_HID, 0},
+static const struct acpi_device_id fujitsu_laptop_device_ids[] = {
+ {ACPI_FUJITSU_LAPTOP_HID, 0},
{"", 0},
};
-static struct acpi_driver acpi_fujitsu_hotkey_driver = {
- .name = ACPI_FUJITSU_HOTKEY_DRIVER_NAME,
+static struct acpi_driver acpi_fujitsu_laptop_driver = {
+ .name = ACPI_FUJITSU_LAPTOP_DRIVER_NAME,
.class = ACPI_FUJITSU_CLASS,
- .ids = fujitsu_hotkey_device_ids,
+ .ids = fujitsu_laptop_device_ids,
.ops = {
- .add = acpi_fujitsu_hotkey_add,
- .remove = acpi_fujitsu_hotkey_remove,
- .notify = acpi_fujitsu_hotkey_notify,
+ .add = acpi_fujitsu_laptop_add,
+ .remove = acpi_fujitsu_laptop_remove,
+ .notify = acpi_fujitsu_laptop_notify,
},
};
static const struct acpi_device_id fujitsu_ids[] __used = {
- {ACPI_FUJITSU_HID, 0},
- {ACPI_FUJITSU_HOTKEY_HID, 0},
+ {ACPI_FUJITSU_BL_HID, 0},
+ {ACPI_FUJITSU_LAPTOP_HID, 0},
{"", 0}
};
MODULE_DEVICE_TABLE(acpi, fujitsu_ids);
static int __init fujitsu_init(void)
{
- int ret, result, max_brightness;
+ int ret, max_brightness;
if (acpi_disabled)
return -ENODEV;
- fujitsu = kzalloc(sizeof(struct fujitsu_t), GFP_KERNEL);
- if (!fujitsu)
+ fujitsu_bl = kzalloc(sizeof(struct fujitsu_bl), GFP_KERNEL);
+ if (!fujitsu_bl)
return -ENOMEM;
- fujitsu->keycode1 = KEY_PROG1;
- fujitsu->keycode2 = KEY_PROG2;
- fujitsu->keycode3 = KEY_PROG3;
- fujitsu->keycode4 = KEY_PROG4;
- fujitsu->keycode5 = KEY_RFKILL;
+ fujitsu_bl->keycode1 = KEY_PROG1;
+ fujitsu_bl->keycode2 = KEY_PROG2;
+ fujitsu_bl->keycode3 = KEY_PROG3;
+ fujitsu_bl->keycode4 = KEY_PROG4;
+ fujitsu_bl->keycode5 = KEY_RFKILL;
dmi_check_system(fujitsu_dmi_table);
- result = acpi_bus_register_driver(&acpi_fujitsu_driver);
- if (result < 0) {
- ret = -ENODEV;
+ ret = acpi_bus_register_driver(&acpi_fujitsu_bl_driver);
+ if (ret)
goto fail_acpi;
- }
/* Register platform stuff */
- fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1);
- if (!fujitsu->pf_device) {
+ fujitsu_bl->pf_device = platform_device_alloc("fujitsu-laptop", -1);
+ if (!fujitsu_bl->pf_device) {
ret = -ENOMEM;
goto fail_platform_driver;
}
- ret = platform_device_add(fujitsu->pf_device);
+ ret = platform_device_add(fujitsu_bl->pf_device);
if (ret)
goto fail_platform_device1;
ret =
- sysfs_create_group(&fujitsu->pf_device->dev.kobj,
- &fujitsupf_attribute_group);
+ sysfs_create_group(&fujitsu_bl->pf_device->dev.kobj,
+ &fujitsu_pf_attribute_group);
if (ret)
goto fail_platform_device2;
struct backlight_properties props;
memset(&props, 0, sizeof(struct backlight_properties));
- max_brightness = fujitsu->max_brightness;
+ max_brightness = fujitsu_bl->max_brightness;
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = max_brightness - 1;
- fujitsu->bl_device = backlight_device_register("fujitsu-laptop",
- NULL, NULL,
- &fujitsubl_ops,
- &props);
- if (IS_ERR(fujitsu->bl_device)) {
- ret = PTR_ERR(fujitsu->bl_device);
- fujitsu->bl_device = NULL;
+ fujitsu_bl->bl_device = backlight_device_register("fujitsu-laptop",
+ NULL, NULL,
+ &fujitsu_bl_ops,
+ &props);
+ if (IS_ERR(fujitsu_bl->bl_device)) {
+ ret = PTR_ERR(fujitsu_bl->bl_device);
+ fujitsu_bl->bl_device = NULL;
goto fail_sysfs_group;
}
- fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
+ fujitsu_bl->bl_device->props.brightness = fujitsu_bl->brightness_level;
}
- ret = platform_driver_register(&fujitsupf_driver);
+ ret = platform_driver_register(&fujitsu_pf_driver);
if (ret)
goto fail_backlight;
- /* Register hotkey driver */
+ /* Register laptop driver */
- fujitsu_hotkey = kzalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL);
- if (!fujitsu_hotkey) {
+ fujitsu_laptop = kzalloc(sizeof(struct fujitsu_laptop), GFP_KERNEL);
+ if (!fujitsu_laptop) {
ret = -ENOMEM;
- goto fail_hotkey;
+ goto fail_laptop;
}
- result = acpi_bus_register_driver(&acpi_fujitsu_hotkey_driver);
- if (result < 0) {
- ret = -ENODEV;
- goto fail_hotkey1;
- }
+ ret = acpi_bus_register_driver(&acpi_fujitsu_laptop_driver);
+ if (ret)
+ goto fail_laptop1;
/* Sync backlight power status (needs FUJ02E3 device, hence deferred) */
if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
if (call_fext_func(FUNC_BACKLIGHT, 0x2, 0x4, 0x0) == 3)
- fujitsu->bl_device->props.power = FB_BLANK_POWERDOWN;
+ fujitsu_bl->bl_device->props.power = FB_BLANK_POWERDOWN;
else
- fujitsu->bl_device->props.power = FB_BLANK_UNBLANK;
+ fujitsu_bl->bl_device->props.power = FB_BLANK_UNBLANK;
}
pr_info("driver " FUJITSU_DRIVER_VERSION " successfully loaded\n");
return 0;
-fail_hotkey1:
- kfree(fujitsu_hotkey);
-fail_hotkey:
- platform_driver_unregister(&fujitsupf_driver);
+fail_laptop1:
+ kfree(fujitsu_laptop);
+fail_laptop:
+ platform_driver_unregister(&fujitsu_pf_driver);
fail_backlight:
- backlight_device_unregister(fujitsu->bl_device);
+ backlight_device_unregister(fujitsu_bl->bl_device);
fail_sysfs_group:
- sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
- &fujitsupf_attribute_group);
+ sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj,
+ &fujitsu_pf_attribute_group);
fail_platform_device2:
- platform_device_del(fujitsu->pf_device);
+ platform_device_del(fujitsu_bl->pf_device);
fail_platform_device1:
- platform_device_put(fujitsu->pf_device);
+ platform_device_put(fujitsu_bl->pf_device);
fail_platform_driver:
- acpi_bus_unregister_driver(&acpi_fujitsu_driver);
+ acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver);
fail_acpi:
- kfree(fujitsu);
+ kfree(fujitsu_bl);
return ret;
}
static void __exit fujitsu_cleanup(void)
{
- acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver);
+ acpi_bus_unregister_driver(&acpi_fujitsu_laptop_driver);
- kfree(fujitsu_hotkey);
+ kfree(fujitsu_laptop);
- platform_driver_unregister(&fujitsupf_driver);
+ platform_driver_unregister(&fujitsu_pf_driver);
- backlight_device_unregister(fujitsu->bl_device);
+ backlight_device_unregister(fujitsu_bl->bl_device);
- sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
- &fujitsupf_attribute_group);
+ sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj,
+ &fujitsu_pf_attribute_group);
- platform_device_unregister(fujitsu->pf_device);
+ platform_device_unregister(fujitsu_bl->pf_device);
- acpi_bus_unregister_driver(&acpi_fujitsu_driver);
+ acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver);
- kfree(fujitsu);
+ kfree(fujitsu_bl);
pr_info("driver unloaded\n");
}
MODULE_DESCRIPTION("Fujitsu laptop extras support");
MODULE_VERSION(FUJITSU_DRIVER_VERSION);
MODULE_LICENSE("GPL");
-
-MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*");
-MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1E6:*:cvrS6420:*");
-MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*");
tristate "Emulex LightPulse Fibre Channel Support"
depends on PCI && SCSI
depends on SCSI_FC_ATTRS
- depends on NVME_FC && NVME_TARGET_FC
select CRC_T10DIF
- help
+ ---help---
This lpfc driver supports the Emulex LightPulse
Family of Fibre Channel PCI host adapters.
config SCSI_LPFC_DEBUG_FS
bool "Emulex LightPulse Fibre Channel debugfs Support"
depends on SCSI_LPFC && DEBUG_FS
- help
+ ---help---
This makes debugging information from the lpfc driver
available via the debugfs filesystem.
+config LPFC_NVME_INITIATOR
+ bool "Emulex LightPulse Fibre Channel NVME Initiator Support"
+ depends on SCSI_LPFC && NVME_FC
+ ---help---
+ This enables NVME Initiator support in the Emulex lpfc driver.
+
+config LPFC_NVME_TARGET
+ bool "Emulex LightPulse Fibre Channel NVME Initiator Support"
+ depends on SCSI_LPFC && NVME_TARGET_FC
+ ---help---
+ This enables NVME Target support in the Emulex lpfc driver.
+ Target enablement must still be enabled on a per adapter
+ basis by module parameters.
+
config SCSI_SIM710
tristate "Simple 53c710 SCSI support (Compaq, NCR machines)"
depends on (EISA || MCA) && SCSI
return -1;
err_blink:
- return (status > 16) & 0xFF;
+ return (status >> 16) & 0xFF;
}
static inline u32 aac_get_vector(struct aac_dev *dev)
WARN_ON_ONCE(task->state == ISCSI_TASK_FREE);
task->state = state;
- if (!list_empty(&task->running))
+ spin_lock_bh(&conn->taskqueuelock);
+ if (!list_empty(&task->running)) {
+ pr_debug_once("%s while task on list", __func__);
list_del_init(&task->running);
+ }
+ spin_unlock_bh(&conn->taskqueuelock);
if (conn->task == task)
conn->task = NULL;
if (session->tt->xmit_task(task))
goto free_task;
} else {
+ spin_lock_bh(&conn->taskqueuelock);
list_add_tail(&task->running, &conn->mgmtqueue);
+ spin_unlock_bh(&conn->taskqueuelock);
iscsi_conn_queue_work(conn);
}
* this may be on the requeue list already if the xmit_task callout
* is handling the r2ts while we are adding new ones
*/
+ spin_lock_bh(&conn->taskqueuelock);
if (list_empty(&task->running))
list_add_tail(&task->running, &conn->requeue);
+ spin_unlock_bh(&conn->taskqueuelock);
iscsi_conn_queue_work(conn);
}
EXPORT_SYMBOL_GPL(iscsi_requeue_task);
* only have one nop-out as a ping from us and targets should not
* overflow us with nop-ins
*/
+ spin_lock_bh(&conn->taskqueuelock);
check_mgmt:
while (!list_empty(&conn->mgmtqueue)) {
conn->task = list_entry(conn->mgmtqueue.next,
struct iscsi_task, running);
list_del_init(&conn->task->running);
+ spin_unlock_bh(&conn->taskqueuelock);
if (iscsi_prep_mgmt_task(conn, conn->task)) {
/* regular RX path uses back_lock */
spin_lock_bh(&conn->session->back_lock);
__iscsi_put_task(conn->task);
spin_unlock_bh(&conn->session->back_lock);
conn->task = NULL;
+ spin_lock_bh(&conn->taskqueuelock);
continue;
}
rc = iscsi_xmit_task(conn);
if (rc)
goto done;
+ spin_lock_bh(&conn->taskqueuelock);
}
/* process pending command queue */
conn->task = list_entry(conn->cmdqueue.next, struct iscsi_task,
running);
list_del_init(&conn->task->running);
+ spin_unlock_bh(&conn->taskqueuelock);
if (conn->session->state == ISCSI_STATE_LOGGING_OUT) {
fail_scsi_task(conn->task, DID_IMM_RETRY);
+ spin_lock_bh(&conn->taskqueuelock);
continue;
}
rc = iscsi_prep_scsi_cmd_pdu(conn->task);
if (rc) {
if (rc == -ENOMEM || rc == -EACCES) {
+ spin_lock_bh(&conn->taskqueuelock);
list_add_tail(&conn->task->running,
&conn->cmdqueue);
conn->task = NULL;
+ spin_unlock_bh(&conn->taskqueuelock);
goto done;
} else
fail_scsi_task(conn->task, DID_ABORT);
+ spin_lock_bh(&conn->taskqueuelock);
continue;
}
rc = iscsi_xmit_task(conn);
* we need to check the mgmt queue for nops that need to
* be sent to aviod starvation
*/
+ spin_lock_bh(&conn->taskqueuelock);
if (!list_empty(&conn->mgmtqueue))
goto check_mgmt;
}
conn->task = task;
list_del_init(&conn->task->running);
conn->task->state = ISCSI_TASK_RUNNING;
+ spin_unlock_bh(&conn->taskqueuelock);
rc = iscsi_xmit_task(conn);
if (rc)
goto done;
+ spin_lock_bh(&conn->taskqueuelock);
if (!list_empty(&conn->mgmtqueue))
goto check_mgmt;
}
+ spin_unlock_bh(&conn->taskqueuelock);
spin_unlock_bh(&conn->session->frwd_lock);
return -ENODATA;
goto prepd_reject;
}
} else {
+ spin_lock_bh(&conn->taskqueuelock);
list_add_tail(&task->running, &conn->cmdqueue);
+ spin_unlock_bh(&conn->taskqueuelock);
iscsi_conn_queue_work(conn);
}
INIT_LIST_HEAD(&conn->mgmtqueue);
INIT_LIST_HEAD(&conn->cmdqueue);
INIT_LIST_HEAD(&conn->requeue);
+ spin_lock_init(&conn->taskqueuelock);
INIT_WORK(&conn->xmitwork, iscsi_xmitworker);
/* allocate login_task used for the login/text sequences */
#define FC_MAX_ADPTMSG 64
#define MAX_HBAEVT 32
+#define MAX_HBAS_NO_RESET 16
/* Number of MSI-X vectors the driver uses */
#define LPFC_MSIX_VECTORS 2
/* lpfc wait event data ready flag */
-#define LPFC_DATA_READY (1<<0)
+#define LPFC_DATA_READY 0 /* bit 0 */
/* queue dump line buffer size */
#define LPFC_LBUF_SZ 128
* capability
*/
#define HBA_NVME_IOQ_FLUSH 0x80000 /* NVME IO queues flushed. */
+#define NVME_XRI_ABORT_EVENT 0x100000
uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
struct lpfc_dmabuf slim2p;
static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
lpfc_poll_show, lpfc_poll_store);
+int lpfc_no_hba_reset_cnt;
+unsigned long lpfc_no_hba_reset[MAX_HBAS_NO_RESET] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+module_param_array(lpfc_no_hba_reset, ulong, &lpfc_no_hba_reset_cnt, 0444);
+MODULE_PARM_DESC(lpfc_no_hba_reset, "WWPN of HBAs that should not be reset");
+
LPFC_ATTR(sli_mode, 0, 0, 3,
"SLI mode selector:"
" 0 - auto (SLI-3 if supported),"
return -EINVAL;
phba->cfg_fcp_imax = (uint32_t)val;
- for (i = 0; i < phba->io_channel_irqs; i++)
+
+ for (i = 0; i < phba->io_channel_irqs; i += LPFC_MAX_EQ_DELAY_EQID_CNT)
lpfc_modify_hba_eq_delay(phba, i);
return strlen(buf);
extern struct device_attribute *lpfc_hba_attrs[];
extern struct device_attribute *lpfc_vport_attrs[];
extern struct scsi_host_template lpfc_template;
-extern struct scsi_host_template lpfc_template_s3;
+extern struct scsi_host_template lpfc_template_no_hr;
extern struct scsi_host_template lpfc_template_nvme;
extern struct scsi_host_template lpfc_vport_template;
extern struct fc_function_template lpfc_transport_functions;
struct lpfc_wcqe_complete *abts_cmpl);
extern int lpfc_enable_nvmet_cnt;
extern unsigned long long lpfc_enable_nvmet[];
+extern int lpfc_no_hba_reset_cnt;
+extern unsigned long lpfc_no_hba_reset[];
"FC4 x%08x, Data: x%08x x%08x\n",
ndlp, did, ndlp->nlp_fc4_type,
FC_TYPE_FCP, FC_TYPE_NVME);
+ ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
}
- ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
lpfc_issue_els_prli(vport, ndlp, 0);
} else
idiag.ptr_private = phba->sli4_hba.nvmels_cq;
goto pass_check;
}
- /* NVME LS complete queue */
- if (phba->sli4_hba.nvmels_cq &&
- phba->sli4_hba.nvmels_cq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.nvmels_cq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.nvmels_cq;
- goto pass_check;
- }
/* FCP complete queue */
if (phba->sli4_hba.fcp_cq) {
for (qidx = 0; qidx < phba->cfg_fcp_io_channel;
idiag.ptr_private = phba->sli4_hba.nvmels_wq;
goto pass_check;
}
- /* NVME LS work queue */
- if (phba->sli4_hba.nvmels_wq &&
- phba->sli4_hba.nvmels_wq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.nvmels_wq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.nvmels_wq;
- goto pass_check;
- }
/* FCP work queue */
if (phba->sli4_hba.fcp_wq) {
for (qidx = 0; qidx < phba->cfg_fcp_io_channel;
static uint32_t
lpfc_rdp_res_diag_port_names(struct fc_rdp_port_name_desc *desc,
- struct lpfc_hba *phba)
+ struct lpfc_vport *vport)
{
desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG);
- memcpy(desc->port_names.wwnn, phba->wwnn,
+ memcpy(desc->port_names.wwnn, &vport->fc_nodename,
sizeof(desc->port_names.wwnn));
- memcpy(desc->port_names.wwpn, phba->wwpn,
+ memcpy(desc->port_names.wwpn, &vport->fc_portname,
sizeof(desc->port_names.wwpn));
desc->length = cpu_to_be32(sizeof(desc->port_names));
len += lpfc_rdp_res_link_error((struct fc_rdp_link_error_status_desc *)
(len + pcmd), &rdp_context->link_stat);
len += lpfc_rdp_res_diag_port_names((struct fc_rdp_port_name_desc *)
- (len + pcmd), phba);
+ (len + pcmd), vport);
len += lpfc_rdp_res_attach_port_names((struct fc_rdp_port_name_desc *)
(len + pcmd), vport, ndlp);
len += lpfc_rdp_res_fec_desc((struct fc_fec_rdp_desc *)(len + pcmd),
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
spin_unlock_irq(shost->host_lock);
- if (vport->port_type == LPFC_PHYSICAL_PORT
- && !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
- lpfc_issue_init_vfi(vport);
- else
+ if (mb->mbxStatus == MBX_NOT_FINISHED)
+ break;
+ if ((vport->port_type == LPFC_PHYSICAL_PORT) &&
+ !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) {
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ lpfc_issue_init_vfi(vport);
+ else
+ lpfc_initial_flogi(vport);
+ } else {
lpfc_initial_fdisc(vport);
+ }
break;
}
} else {
ndlp->nlp_state, ndlp->nlp_rpi);
}
- if (!(vport->load_flag & FC_UNLOADING) &&
- !(ndlp->nlp_flag & NLP_DELAY_TMO) &&
+ if (!(ndlp->nlp_flag & NLP_DELAY_TMO) &&
!(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
(ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
(ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) &&
lpfc_handle_rrq_active(phba);
if (phba->hba_flag & FCP_XRI_ABORT_EVENT)
lpfc_sli4_fcp_xri_abort_event_proc(phba);
+ if (phba->hba_flag & NVME_XRI_ABORT_EVENT)
+ lpfc_sli4_nvme_xri_abort_event_proc(phba);
if (phba->hba_flag & ELS_XRI_ABORT_EVENT)
lpfc_sli4_els_xri_abort_event_proc(phba);
if (phba->hba_flag & ASYNC_EVENT)
uint32_t boot_flag, addr_mode;
uint16_t fcf_index, next_fcf_index;
struct lpfc_fcf_rec *fcf_rec = NULL;
- uint16_t vlan_id;
+ uint16_t vlan_id = LPFC_FCOE_NULL_VID;
bool select_new_fcf;
int rc;
rdata = rport->dd_data;
/* break the link before dropping the ref */
ndlp->rport = NULL;
- if (rdata && rdata->pnode == ndlp)
- lpfc_nlp_put(ndlp);
- rdata->pnode = NULL;
+ if (rdata) {
+ if (rdata->pnode == ndlp)
+ lpfc_nlp_put(ndlp);
+ rdata->pnode = NULL;
+ }
/* drop reference for earlier registeration */
put_device(&rport->dev);
}
{
INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp);
- init_timer(&ndlp->nlp_delayfunc);
- ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
- ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
+ setup_timer(&ndlp->nlp_delayfunc, lpfc_els_retry_delay,
+ (unsigned long)ndlp);
ndlp->nlp_DID = did;
ndlp->vport = vport;
ndlp->phba = vport->phba;
pring = qp->pring;
if (!pring)
continue;
- spin_lock_irq(&pring->ring_lock);
+ spin_lock(&pring->ring_lock);
__lpfc_dequeue_nport_iocbs(phba, ndlp, pring, dequeue_list);
- spin_unlock_irq(&pring->ring_lock);
+ spin_unlock(&pring->ring_lock);
}
spin_unlock_irq(&phba->hbalock);
}
uint32_t phase;
uint32_t delay_multi;
};
-#define LPFC_MAX_EQ_DELAY 8
+#define LPFC_MAX_EQ_DELAY_EQID_CNT 8
struct sgl_page_pairs {
uint32_t sgl_pg0_addr_lo;
union {
struct {
uint32_t num_eq;
- struct eq_delay_info eq[LPFC_MAX_EQ_DELAY];
+ struct eq_delay_info eq[LPFC_MAX_EQ_DELAY_EQID_CNT];
} request;
struct {
uint32_t word0;
return rc;
}
+static uint64_t
+lpfc_get_wwpn(struct lpfc_hba *phba)
+{
+ uint64_t wwn;
+ int rc;
+ LPFC_MBOXQ_t *mboxq;
+ MAILBOX_t *mb;
+
+
+ mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+ GFP_KERNEL);
+ if (!mboxq)
+ return (uint64_t)-1;
+
+ /* First get WWN of HBA instance */
+ lpfc_read_nv(phba, mboxq);
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+ if (rc != MBX_SUCCESS) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "6019 Mailbox failed , mbxCmd x%x "
+ "READ_NV, mbxStatus x%x\n",
+ bf_get(lpfc_mqe_command, &mboxq->u.mqe),
+ bf_get(lpfc_mqe_status, &mboxq->u.mqe));
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ return (uint64_t) -1;
+ }
+ mb = &mboxq->u.mb;
+ memcpy(&wwn, (char *)mb->un.varRDnvp.portname, sizeof(uint64_t));
+ /* wwn is WWPN of HBA instance */
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ return be64_to_cpu(wwn);
+ else
+ return (((wwn & 0xffffffff00000000) >> 32) |
+ ((wwn & 0x00000000ffffffff) << 32));
+
+}
+
/**
* lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping
* @phba: pointer to lpfc hba data structure.
struct lpfc_vport *vport;
struct Scsi_Host *shost = NULL;
int error = 0;
+ int i;
+ uint64_t wwn;
+ bool use_no_reset_hba = false;
+
+ wwn = lpfc_get_wwpn(phba);
+
+ for (i = 0; i < lpfc_no_hba_reset_cnt; i++) {
+ if (wwn == lpfc_no_hba_reset[i]) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "6020 Setting use_no_reset port=%llx\n",
+ wwn);
+ use_no_reset_hba = true;
+ break;
+ }
+ }
if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
if (dev != &phba->pcidev->dev) {
shost = scsi_host_alloc(&lpfc_vport_template,
sizeof(struct lpfc_vport));
} else {
- if (phba->sli_rev == LPFC_SLI_REV4)
+ if (!use_no_reset_hba)
shost = scsi_host_alloc(&lpfc_template,
sizeof(struct lpfc_vport));
else
- shost = scsi_host_alloc(&lpfc_template_s3,
+ shost = scsi_host_alloc(&lpfc_template_no_hr,
sizeof(struct lpfc_vport));
}
} else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
INIT_LIST_HEAD(&vport->rcv_buffer_list);
spin_lock_init(&vport->work_port_lock);
- init_timer(&vport->fc_disctmo);
- vport->fc_disctmo.function = lpfc_disc_timeout;
- vport->fc_disctmo.data = (unsigned long)vport;
+ setup_timer(&vport->fc_disctmo, lpfc_disc_timeout,
+ (unsigned long)vport);
- init_timer(&vport->els_tmofunc);
- vport->els_tmofunc.function = lpfc_els_timeout;
- vport->els_tmofunc.data = (unsigned long)vport;
+ setup_timer(&vport->els_tmofunc, lpfc_els_timeout,
+ (unsigned long)vport);
- init_timer(&vport->delayed_disc_tmo);
- vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
- vport->delayed_disc_tmo.data = (unsigned long)vport;
+ setup_timer(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo,
+ (unsigned long)vport);
error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
if (error)
INIT_LIST_HEAD(&phba->luns);
/* MBOX heartbeat timer */
- init_timer(&psli->mbox_tmo);
- psli->mbox_tmo.function = lpfc_mbox_timeout;
- psli->mbox_tmo.data = (unsigned long) phba;
+ setup_timer(&psli->mbox_tmo, lpfc_mbox_timeout, (unsigned long)phba);
/* Fabric block timer */
- init_timer(&phba->fabric_block_timer);
- phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
- phba->fabric_block_timer.data = (unsigned long) phba;
+ setup_timer(&phba->fabric_block_timer, lpfc_fabric_block_timeout,
+ (unsigned long)phba);
/* EA polling mode timer */
- init_timer(&phba->eratt_poll);
- phba->eratt_poll.function = lpfc_poll_eratt;
- phba->eratt_poll.data = (unsigned long) phba;
+ setup_timer(&phba->eratt_poll, lpfc_poll_eratt,
+ (unsigned long)phba);
/* Heartbeat timer */
- init_timer(&phba->hb_tmofunc);
- phba->hb_tmofunc.function = lpfc_hb_timeout;
- phba->hb_tmofunc.data = (unsigned long)phba;
+ setup_timer(&phba->hb_tmofunc, lpfc_hb_timeout, (unsigned long)phba);
return 0;
}
*/
/* FCP polling mode timer */
- init_timer(&phba->fcp_poll_timer);
- phba->fcp_poll_timer.function = lpfc_poll_timeout;
- phba->fcp_poll_timer.data = (unsigned long) phba;
+ setup_timer(&phba->fcp_poll_timer, lpfc_poll_timeout,
+ (unsigned long)phba);
/* Host attention work mask setup */
phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
/* Initialize the host templates the configured values. */
lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
- lpfc_template_s3.sg_tablesize = phba->cfg_sg_seg_cnt;
+ lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt;
+ lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
/* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
if (phba->cfg_enable_bg) {
* Initialize timers used by driver
*/
- init_timer(&phba->rrq_tmr);
- phba->rrq_tmr.function = lpfc_rrq_timeout;
- phba->rrq_tmr.data = (unsigned long)phba;
+ setup_timer(&phba->rrq_tmr, lpfc_rrq_timeout, (unsigned long)phba);
/* FCF rediscover timer */
- init_timer(&phba->fcf.redisc_wait);
- phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
- phba->fcf.redisc_wait.data = (unsigned long)phba;
+ setup_timer(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo,
+ (unsigned long)phba);
/*
* Control structure for handling external multi-buffer mailbox
/* Initialize the host templates with the updated values. */
lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
+ lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt;
if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
/* Initialize the Abort nvme buffer list used by driver */
spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list);
+ /* Fast-path XRI aborted CQ Event work queue list */
+ INIT_LIST_HEAD(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue);
}
/* This abort list used by worker thread */
}
}
- /*
- * Configure EQ delay multipier for interrupt coalescing using
- * MODIFY_EQ_DELAY for all EQs created, LPFC_MAX_EQ_DELAY at a time.
- */
- for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY)
+ for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY_EQID_CNT)
lpfc_modify_hba_eq_delay(phba, qidx);
+
return 0;
out_destroy:
/* Pending ELS XRI abort events */
list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
&cqelist);
+ if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
+ /* Pending NVME XRI abort events */
+ list_splice_init(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue,
+ &cqelist);
+ }
/* Pending asynnc events */
list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
&cqelist);
fc_remove_host(shost);
scsi_remove_host(shost);
- /* Perform ndlp cleanup on the physical port. The nvme and nvmet
- * localports are destroyed after to cleanup all transport memory.
- */
lpfc_cleanup(vport);
- lpfc_nvmet_destroy_targetport(phba);
- lpfc_nvme_destroy_localport(vport);
/*
* Bring down the SLI Layer. This step disable all interrupts,
.id_table = lpfc_id_table,
.probe = lpfc_pci_probe_one,
.remove = lpfc_pci_remove_one,
+ .shutdown = lpfc_pci_remove_one,
.suspend = lpfc_pci_suspend_one,
.resume = lpfc_pci_resume_one,
.err_handler = &lpfc_err_handler,
}
dma_buf->iocbq = lpfc_sli_get_iocbq(phba);
- dma_buf->iocbq->iocb_flag = LPFC_IO_NVMET;
if (!dma_buf->iocbq) {
kfree(dma_buf->context);
pci_pool_free(phba->lpfc_drb_pool, dma_buf->dbuf.virt,
"2621 Ran out of nvmet iocb/WQEs\n");
return NULL;
}
+ dma_buf->iocbq->iocb_flag = LPFC_IO_NVMET;
nvmewqe = dma_buf->iocbq;
wqe = (union lpfc_wqe128 *)&nvmewqe->wqe;
/* Initialize WQE */
bf_set(wqe_dfctl, &wqe->gen_req.wge_ctl, 0);
bf_set(wqe_si, &wqe->gen_req.wge_ctl, 1);
bf_set(wqe_la, &wqe->gen_req.wge_ctl, 1);
- bf_set(wqe_rctl, &wqe->gen_req.wge_ctl, FC_RCTL_DD_UNSOL_CTL);
+ bf_set(wqe_rctl, &wqe->gen_req.wge_ctl, FC_RCTL_ELS4_REQ);
bf_set(wqe_type, &wqe->gen_req.wge_ctl, FC_TYPE_NVME);
/* Word 6 */
* Embed the payload in the last half of the WQE
* WQE words 16-30 get the NVME CMD IU payload
*
- * WQE Word 16 is already setup with flags
- * WQE words 17-19 get payload Words 2-4
+ * WQE words 16-19 get payload Words 1-4
* WQE words 20-21 get payload Words 6-7
* WQE words 22-29 get payload Words 16-23
*/
- wptr = &wqe->words[17]; /* WQE ptr */
+ wptr = &wqe->words[16]; /* WQE ptr */
dptr = (uint32_t *)nCmd->cmdaddr; /* payload ptr */
- dptr += 2; /* Skip Words 0-1 in payload */
+ dptr++; /* Skip Word 0 in payload */
+ *wptr++ = *dptr++; /* Word 1 */
*wptr++ = *dptr++; /* Word 2 */
*wptr++ = *dptr++; /* Word 3 */
*wptr++ = *dptr++; /* Word 4 */
bf_set(wqe_cmd_type, &wqe->generic.wqe_com,
NVME_WRITE_CMD);
- /* Word 16 */
- wqe->words[16] = LPFC_NVME_EMBED_WRITE;
-
phba->fc4NvmeOutputRequests++;
} else {
/* Word 7 */
bf_set(wqe_cmd_type, &wqe->generic.wqe_com,
NVME_READ_CMD);
- /* Word 16 */
- wqe->words[16] = LPFC_NVME_EMBED_READ;
-
phba->fc4NvmeInputRequests++;
}
} else {
/* Word 11 */
bf_set(wqe_cmd_type, &wqe->generic.wqe_com, NVME_READ_CMD);
- /* Word 16 */
- wqe->words[16] = LPFC_NVME_EMBED_CMD;
-
phba->fc4NvmeControlRequests++;
}
/*
pnvme_fcreq->private = (void *)lpfc_ncmd;
lpfc_ncmd->nvmeCmd = pnvme_fcreq;
lpfc_ncmd->nrport = rport;
+ lpfc_ncmd->ndlp = ndlp;
lpfc_ncmd->start_time = jiffies;
lpfc_nvme_prep_io_cmd(vport, lpfc_ncmd, ndlp);
"sid: x%x did: x%x oxid: x%x\n",
ret, vport->fc_myDID, ndlp->nlp_DID,
lpfc_ncmd->cur_iocbq.sli4_xritag);
- ret = -EINVAL;
+ ret = -EBUSY;
goto out_free_nvme_buf;
}
pdma_phys_sgl1, cur_xritag);
if (status) {
/* failure, put on abort nvme list */
- lpfc_ncmd->exch_busy = 1;
+ lpfc_ncmd->flags |= LPFC_SBUF_XBUSY;
} else {
/* success, put on NVME buffer list */
- lpfc_ncmd->exch_busy = 0;
+ lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY;
lpfc_ncmd->status = IOSTAT_SUCCESS;
num_posted++;
}
struct lpfc_nvme_buf, list);
if (status) {
/* failure, put on abort nvme list */
- lpfc_ncmd->exch_busy = 1;
+ lpfc_ncmd->flags |= LPFC_SBUF_XBUSY;
} else {
/* success, put on NVME buffer list */
- lpfc_ncmd->exch_busy = 0;
+ lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY;
lpfc_ncmd->status = IOSTAT_SUCCESS;
num_posted++;
}
unsigned long iflag = 0;
lpfc_ncmd->nonsg_phys = 0;
- if (lpfc_ncmd->exch_busy) {
+ if (lpfc_ncmd->flags & LPFC_SBUF_XBUSY) {
spin_lock_irqsave(&phba->sli4_hba.abts_nvme_buf_list_lock,
iflag);
lpfc_ncmd->nvmeCmd = NULL;
int
lpfc_nvme_create_localport(struct lpfc_vport *vport)
{
+ int ret = 0;
struct lpfc_hba *phba = vport->phba;
struct nvme_fc_port_info nfcp_info;
struct nvme_fc_local_port *localport;
struct lpfc_nvme_lport *lport;
- int len, ret = 0;
+ int len;
/* Initialize this localport instance. The vport wwn usage ensures
* that NPIV is accounted for.
/* localport is allocated from the stack, but the registration
* call allocates heap memory as well as the private area.
*/
+#ifdef CONFIG_LPFC_NVME_INITIATOR
ret = nvme_fc_register_localport(&nfcp_info, &lpfc_nvme_template,
&vport->phba->pcidev->dev, &localport);
+#else
+ ret = -ENOMEM;
+#endif
if (!ret) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME | LOG_NVME_DISC,
"6005 Successfully registered local "
lport->vport = vport;
INIT_LIST_HEAD(&lport->rport_list);
vport->nvmei_support = 1;
+ len = lpfc_new_nvme_buf(vport, phba->sli4_hba.nvme_xri_max);
+ vport->phba->total_nvme_bufs += len;
}
- len = lpfc_new_nvme_buf(vport, phba->sli4_hba.nvme_xri_max);
- vport->phba->total_nvme_bufs += len;
return ret;
}
void
lpfc_nvme_destroy_localport(struct lpfc_vport *vport)
{
+#ifdef CONFIG_LPFC_NVME_INITIATOR
struct nvme_fc_local_port *localport;
struct lpfc_nvme_lport *lport;
struct lpfc_nvme_rport *rport = NULL, *rport_next = NULL;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME,
"6011 Destroying NVME localport %p\n",
localport);
-
list_for_each_entry_safe(rport, rport_next, &lport->rport_list, list) {
/* The last node ref has to get released now before the rport
* private memory area is released by the transport.
"6008 rport fail destroy %x\n", ret);
wait_for_completion_timeout(&rport->rport_unreg_done, 5);
}
+
/* lport's rport list is clear. Unregister
* lport and release resources.
*/
"Failed, status x%x\n",
ret);
}
+#endif
}
void
int
lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
+#ifdef CONFIG_LPFC_NVME_INITIATOR
int ret = 0;
struct nvme_fc_local_port *localport;
struct lpfc_nvme_lport *lport;
rpinfo.port_role |= FC_PORT_ROLE_NVME_INITIATOR;
rpinfo.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
rpinfo.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
-
ret = nvme_fc_register_remoteport(localport, &rpinfo,
&remote_port);
if (!ret) {
ndlp->nlp_type, ndlp->nlp_DID, ndlp);
}
return ret;
+#else
+ return 0;
+#endif
}
/* lpfc_nvme_unregister_port - unbind the DID and port_role from this rport.
void
lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
+#ifdef CONFIG_LPFC_NVME_INITIATOR
int ret;
struct nvme_fc_local_port *localport;
struct lpfc_nvme_lport *lport;
return;
input_err:
+#endif
lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC,
"6168: State error: lport %p, rport%p FCID x%06x\n",
vport->localport, ndlp->rport, ndlp->nlp_DID);
}
+
+/**
+ * lpfc_sli4_nvme_xri_aborted - Fast-path process of NVME xri abort
+ * @phba: pointer to lpfc hba data structure.
+ * @axri: pointer to the fcp xri abort wcqe structure.
+ *
+ * This routine is invoked by the worker thread to process a SLI4 fast-path
+ * FCP aborted xri.
+ **/
+void
+lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
+ struct sli4_wcqe_xri_aborted *axri)
+{
+ uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
+ uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri);
+ struct lpfc_nvme_buf *lpfc_ncmd, *next_lpfc_ncmd;
+ struct lpfc_nodelist *ndlp;
+ unsigned long iflag = 0;
+ int rrq_empty = 0;
+
+ if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME))
+ return;
+ spin_lock_irqsave(&phba->hbalock, iflag);
+ spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ list_for_each_entry_safe(lpfc_ncmd, next_lpfc_ncmd,
+ &phba->sli4_hba.lpfc_abts_nvme_buf_list,
+ list) {
+ if (lpfc_ncmd->cur_iocbq.sli4_xritag == xri) {
+ list_del(&lpfc_ncmd->list);
+ lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY;
+ lpfc_ncmd->status = IOSTAT_SUCCESS;
+ spin_unlock(
+ &phba->sli4_hba.abts_nvme_buf_list_lock);
+
+ rrq_empty = list_empty(&phba->active_rrq_list);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+ ndlp = lpfc_ncmd->ndlp;
+ if (ndlp) {
+ lpfc_set_rrq_active(
+ phba, ndlp,
+ lpfc_ncmd->cur_iocbq.sli4_lxritag,
+ rxid, 1);
+ lpfc_sli4_abts_err_handler(phba, ndlp, axri);
+ }
+ lpfc_release_nvme_buf(phba, lpfc_ncmd);
+ if (rrq_empty)
+ lpfc_worker_wake_up(phba);
+ return;
+ }
+ }
+ spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+}
struct list_head list;
struct nvmefc_fcp_req *nvmeCmd;
struct lpfc_nvme_rport *nrport;
+ struct lpfc_nodelist *ndlp;
uint32_t timeout;
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6102 Bad state IO x%x aborted\n",
ctxp->oxid);
+ rc = -ENXIO;
goto aerr;
}
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6152 FCP Drop IO x%x: Prep\n",
ctxp->oxid);
+ rc = -ENXIO;
goto aerr;
}
ctxp->wqeq->hba_wqidx = 0;
nvmewqeq->context2 = NULL;
nvmewqeq->context3 = NULL;
+ rc = -EBUSY;
aerr:
- return -ENXIO;
+ return rc;
}
static void
lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP |
NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED;
+#ifdef CONFIG_LPFC_NVME_TARGET
error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate,
&phba->pcidev->dev,
&phba->targetport);
+#else
+ error = -ENOMEM;
+#endif
if (error) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
"6025 Cannot register NVME targetport "
return 0;
}
+/**
+ * lpfc_sli4_nvmet_xri_aborted - Fast-path process of nvmet xri abort
+ * @phba: pointer to lpfc hba data structure.
+ * @axri: pointer to the nvmet xri abort wcqe structure.
+ *
+ * This routine is invoked by the worker thread to process a SLI4 fast-path
+ * NVMET aborted xri.
+ **/
+void
+lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
+ struct sli4_wcqe_xri_aborted *axri)
+{
+ /* TODO: work in progress */
+}
+
void
lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba)
{
+#ifdef CONFIG_LPFC_NVME_TARGET
struct lpfc_nvmet_tgtport *tgtp;
if (phba->nvmet_support == 0)
wait_for_completion_timeout(&tgtp->tport_unreg_done, 5);
}
phba->targetport = NULL;
+#endif
}
/**
lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct hbq_dmabuf *nvmebuf)
{
+#ifdef CONFIG_LPFC_NVME_TARGET
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
struct lpfc_nvmet_rcv_ctx *ctxp;
atomic_inc(&tgtp->xmt_ls_abort);
lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid);
+#endif
}
/**
struct rqb_dmabuf *nvmebuf,
uint64_t isr_timestamp)
{
+#ifdef CONFIG_LPFC_NVME_TARGET
struct lpfc_nvmet_rcv_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
atomic_inc(&tgtp->rcv_fcp_cmd_drop);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6159 FCP Drop IO x%x: nvmet_fc_rcv_fcp_req x%x\n",
+ "6159 FCP Drop IO x%x: err x%x\n",
ctxp->oxid, rc);
dropit:
lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n",
/* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */
lpfc_nvmet_rq_post(phba, NULL, &nvmebuf->hbuf);
}
+#endif
}
/**
bf_set(wqe_dfctl, &wqe->xmit_sequence.wge_ctl, 0);
bf_set(wqe_ls, &wqe->xmit_sequence.wge_ctl, 1);
bf_set(wqe_la, &wqe->xmit_sequence.wge_ctl, 0);
- bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_DD_SOL_CTL);
+ bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_ELS4_REP);
bf_set(wqe_type, &wqe->xmit_sequence.wge_ctl, FC_TYPE_NVME);
/* Word 6 */
case NVMET_FCOP_RSP:
/* Words 0 - 2 */
- sgel = &rsp->sg[0];
physaddr = rsp->rspdma;
wqe->fcp_trsp.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
wqe->fcp_trsp.bde.tus.f.bdeSize = rsp->rsplen;
struct lpfc_nodelist *ndlp;
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
- "6067 %s: Entrypoint: sid %x xri %x\n", __func__,
- sid, xri);
+ "6067 Abort: sid %x xri x%x/x%x\n",
+ sid, xri, ctxp->wqeq->sli4_xritag);
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
atomic_inc(&tgtp->xmt_abort_rsp_error);
lpfc_printf_log(phba, KERN_WARNING, LOG_NVME_ABTS,
"6134 Drop ABTS - wrong NDLP state x%x.\n",
- ndlp->nlp_state);
+ (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE);
/* No failure to an ABTS request. */
return 0;
atomic_inc(&tgtp->xmt_abort_rsp_error);
lpfc_printf_log(phba, KERN_WARNING, LOG_NVME_ABTS,
"6160 Drop ABTS - wrong NDLP state x%x.\n",
- ndlp->nlp_state);
+ (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE);
/* No failure to an ABTS request. */
return 0;
.track_queue_depth = 0,
};
-struct scsi_host_template lpfc_template_s3 = {
+struct scsi_host_template lpfc_template_no_hr = {
.module = THIS_MODULE,
.name = LPFC_DRIVER_NAME,
.proc_name = LPFC_DRIVER_NAME,
.info = lpfc_info,
.queuecommand = lpfc_queuecommand,
+ .eh_timed_out = fc_eh_timed_out,
.eh_abort_handler = lpfc_abort_handler,
.eh_device_reset_handler = lpfc_device_reset_handler,
.eh_target_reset_handler = lpfc_target_reset_handler,
.eh_abort_handler = lpfc_abort_handler,
.eh_device_reset_handler = lpfc_device_reset_handler,
.eh_target_reset_handler = lpfc_target_reset_handler,
- .eh_bus_reset_handler = lpfc_bus_reset_handler,
.slave_alloc = lpfc_slave_alloc,
.slave_configure = lpfc_slave_configure,
.slave_destroy = lpfc_slave_destroy,
+
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
start_sglq = sglq;
while (!found) {
if (!sglq)
- return NULL;
+ break;
if (ndlp && ndlp->active_rrqs_xri_bitmap &&
test_bit(sglq->sli4_lxritag,
ndlp->active_rrqs_xri_bitmap)) {
}
}
+/**
+ * lpfc_sli4_nvme_xri_abort_event_proc - Process nvme xri abort event
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked by the worker thread to process all the pending
+ * SLI4 NVME abort XRI events.
+ **/
+void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba)
+{
+ struct lpfc_cq_event *cq_event;
+
+ /* First, declare the fcp xri abort event has been handled */
+ spin_lock_irq(&phba->hbalock);
+ phba->hba_flag &= ~NVME_XRI_ABORT_EVENT;
+ spin_unlock_irq(&phba->hbalock);
+ /* Now, handle all the fcp xri abort events */
+ while (!list_empty(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue)) {
+ /* Get the first event from the head of the event queue */
+ spin_lock_irq(&phba->hbalock);
+ list_remove_head(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue,
+ cq_event, struct lpfc_cq_event, list);
+ spin_unlock_irq(&phba->hbalock);
+ /* Notify aborted XRI for NVME work queue */
+ if (phba->nvmet_support) {
+ lpfc_sli4_nvmet_xri_aborted(phba,
+ &cq_event->cqe.wcqe_axri);
+ } else {
+ lpfc_sli4_nvme_xri_aborted(phba,
+ &cq_event->cqe.wcqe_axri);
+ }
+ /* Free the event processed back to the free pool */
+ lpfc_sli4_cq_event_release(phba, cq_event);
+ }
+}
+
/**
* lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event
* @phba: pointer to lpfc hba data structure.
spin_unlock_irqrestore(&phba->hbalock, iflags);
workposted = true;
break;
+ case LPFC_NVME:
+ spin_lock_irqsave(&phba->hbalock, iflags);
+ list_add_tail(&cq_event->list,
+ &phba->sli4_hba.sp_nvme_xri_aborted_work_queue);
+ /* Set the nvme xri abort event flag */
+ phba->hba_flag |= NVME_XRI_ABORT_EVENT;
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
+ workposted = true;
+ break;
default:
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
- "0603 Invalid work queue CQE subtype (x%x)\n",
- cq->subtype);
+ "0603 Invalid CQ subtype %d: "
+ "%08x %08x %08x %08x\n",
+ cq->subtype, wcqe->word0, wcqe->parameter,
+ wcqe->word2, wcqe->word3);
+ lpfc_sli4_cq_event_release(phba, cq_event);
workposted = false;
break;
}
* @startq: The starting FCP EQ to modify
*
* This function sends an MODIFY_EQ_DELAY mailbox command to the HBA.
+ * The command allows up to LPFC_MAX_EQ_DELAY_EQID_CNT EQ ID's to be
+ * updated in one mailbox command.
*
* The @phba struct is used to send mailbox command to HBA. The @startq
* is used to get the starting FCP EQ to change.
eq_delay->u.request.eq[cnt].phase = 0;
eq_delay->u.request.eq[cnt].delay_multi = dmult;
cnt++;
- if (cnt >= LPFC_MAX_EQ_DELAY)
+ if (cnt >= LPFC_MAX_EQ_DELAY_EQID_CNT)
break;
}
eq_delay->u.request.num_eq = cnt;
drq = drqp[idx];
cq = cqp[idx];
- if (hrq->entry_count != drq->entry_count) {
- status = -EINVAL;
- goto out;
- }
-
/* sanity check on queue memory */
if (!hrq || !drq || !cq) {
status = -ENODEV;
goto out;
}
+ if (hrq->entry_count != drq->entry_count) {
+ status = -EINVAL;
+ goto out;
+ }
+
if (idx == 0) {
bf_set(lpfc_mbx_rq_create_num_pages,
&rq_create->u.request,
struct list_head sp_asynce_work_queue;
struct list_head sp_fcp_xri_aborted_work_queue;
struct list_head sp_els_xri_aborted_work_queue;
+ struct list_head sp_nvme_xri_aborted_work_queue;
struct list_head sp_unsol_work_queue;
struct lpfc_sli4_link link_state;
struct lpfc_sli4_lnk_info lnk_info;
int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
+void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba);
void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
struct sli4_wcqe_xri_aborted *);
+void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
+ struct sli4_wcqe_xri_aborted *axri);
+void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
+ struct sli4_wcqe_xri_aborted *axri);
void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
struct sli4_wcqe_xri_aborted *);
void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "11.2.0.7"
+#define LPFC_DRIVER_VERSION "11.2.0.10"
#define LPFC_DRIVER_NAME "lpfc"
/* Used for SLI 2/3 */
u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
extern struct sas_function_template mpt3sas_transport_functions;
extern struct scsi_transport_template *mpt3sas_transport_template;
-extern int scsi_internal_device_block(struct scsi_device *sdev);
-extern int scsi_internal_device_unblock(struct scsi_device *sdev,
- enum scsi_device_state new_state);
/* trigger data externs */
void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
sas_device_priv_data->sas_target->handle);
sas_device_priv_data->block = 1;
- r = scsi_internal_device_block(sdev);
+ r = scsi_internal_device_block(sdev, false);
if (r == -EINVAL)
sdev_printk(KERN_WARNING, sdev,
"device_block failed with return(%d) for handle(0x%04x)\n",
"performing a block followed by an unblock\n",
r, sas_device_priv_data->sas_target->handle);
sas_device_priv_data->block = 1;
- r = scsi_internal_device_block(sdev);
+ r = scsi_internal_device_block(sdev, false);
if (r)
sdev_printk(KERN_WARNING, sdev, "retried device_block "
"failed with return(%d) for handle(0x%04x)\n",
struct MPT3SAS_DEVICE *sas_device_priv_data;
u32 response_code = 0;
unsigned long flags;
- unsigned int sector_sz;
mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
}
xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
-
- /* In case of bogus fw or device, we could end up having
- * unaligned partial completion. We can force alignment here,
- * then scsi-ml does not need to handle this misbehavior.
- */
- sector_sz = scmd->device->sector_size;
- if (unlikely(!blk_rq_is_passthrough(scmd->request) && sector_sz &&
- xfer_cnt % sector_sz)) {
- sdev_printk(KERN_INFO, scmd->device,
- "unaligned partial completion avoided (xfer_cnt=%u, sector_sz=%u)\n",
- xfer_cnt, sector_sz);
- xfer_cnt = round_down(xfer_cnt, sector_sz);
- }
-
scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
#define QEDF_INFO(pdev, level, fmt, ...) \
qedf_dbg_info(pdev, __func__, __LINE__, level, fmt, \
## __VA_ARGS__)
-
-extern void qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
+__printf(4, 5)
+void qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
const char *fmt, ...);
-extern void qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
+__printf(4, 5)
+void qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
const char *, ...);
-extern void qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func,
+__printf(4, 5)
+void qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func,
u32 line, const char *, ...);
-extern void qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
+__printf(5, 6)
+void qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
u32 info, const char *fmt, ...);
/* GRC Dump related defines */
case FIP_DT_MAC:
mp = (struct fip_mac_desc *)desc;
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2,
- "fd_mac=%pM.\n", __func__, mp->fd_mac);
+ "fd_mac=%pM\n", mp->fd_mac);
ether_addr_copy(cvl_mac, mp->fd_mac);
break;
case FIP_DT_NAME:
} else {
refcount = kref_read(&io_req->refcount);
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO,
- "%d:0:%d:%d xid=0x%0x op=0x%02x "
+ "%d:0:%d:%lld xid=0x%0x op=0x%02x "
"lba=%02x%02x%02x%02x cdb_status=%d "
"fcp_resid=0x%x refcount=%d.\n",
qedf->lport->host->host_no, sc_cmd->device->id,
sc_cmd->result = result << 16;
refcount = kref_read(&io_req->refcount);
- QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO, "%d:0:%d:%d: Completing "
+ QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO, "%d:0:%d:%lld: Completing "
"sc_cmd=%p result=0x%08x op=0x%02x lba=0x%02x%02x%02x%02x, "
"allowed=%d retries=%d refcount=%d.\n",
qedf->lport->host->host_no, sc_cmd->device->id,
}
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
- "BDQ PBL addr=0x%p dma=0x%llx.\n", qedf->bdq_pbl,
- qedf->bdq_pbl_dma);
+ "BDQ PBL addr=0x%p dma=%pad\n",
+ qedf->bdq_pbl, &qedf->bdq_pbl_dma);
/*
* Populate BDQ PBL with physical and virtual address of individual
#include <linux/debugfs.h>
#include <linux/module.h>
-int do_not_recover;
+int qedi_do_not_recover;
static struct dentry *qedi_dbg_root;
void
static ssize_t
qedi_dbg_do_not_recover_enable(struct qedi_dbg_ctx *qedi_dbg)
{
- if (!do_not_recover)
- do_not_recover = 1;
+ if (!qedi_do_not_recover)
+ qedi_do_not_recover = 1;
QEDI_INFO(qedi_dbg, QEDI_LOG_DEBUGFS, "do_not_recover=%d\n",
- do_not_recover);
+ qedi_do_not_recover);
return 0;
}
static ssize_t
qedi_dbg_do_not_recover_disable(struct qedi_dbg_ctx *qedi_dbg)
{
- if (do_not_recover)
- do_not_recover = 0;
+ if (qedi_do_not_recover)
+ qedi_do_not_recover = 0;
QEDI_INFO(qedi_dbg, QEDI_LOG_DEBUGFS, "do_not_recover=%d\n",
- do_not_recover);
+ qedi_do_not_recover);
return 0;
}
if (*ppos)
return 0;
- cnt = sprintf(buffer, "do_not_recover=%d\n", do_not_recover);
+ cnt = sprintf(buffer, "do_not_recover=%d\n", qedi_do_not_recover);
cnt = min_t(int, count, cnt - *ppos);
*ppos += cnt;
return cnt;
get_itt(tmf_hdr->rtt), get_itt(ctask->itt), cmd->task_id,
qedi_conn->iscsi_conn_id);
- if (do_not_recover) {
+ if (qedi_do_not_recover) {
QEDI_ERR(&qedi->dbg_ctx, "DONT SEND CLEANUP/ABORT %d\n",
- do_not_recover);
+ qedi_do_not_recover);
goto abort_ret;
}
#include "qedi_iscsi.h"
+#ifdef CONFIG_DEBUG_FS
+extern int qedi_do_not_recover;
+#else
+#define qedi_do_not_recover (0)
+#endif
+
extern uint qedi_io_tracing;
-extern int do_not_recover;
+
extern struct scsi_host_template qedi_host_template;
extern struct iscsi_transport qedi_iscsi_transport;
extern const struct qed_iscsi_ops *qedi_ops;
return ERR_PTR(ret);
}
- if (do_not_recover) {
+ if (qedi_do_not_recover) {
ret = -ENOMEM;
return ERR_PTR(ret);
}
struct qedi_endpoint *qedi_ep;
int ret = 0;
- if (do_not_recover)
+ if (qedi_do_not_recover)
return 1;
qedi_ep = ep->dd_data;
}
if (test_bit(QEDI_IN_RECOVERY, &qedi->flags)) {
- if (do_not_recover) {
+ if (qedi_do_not_recover) {
QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
"Do not recover cid=0x%x\n",
qedi_ep->iscsi_cid);
}
}
- if (do_not_recover)
+ if (qedi_do_not_recover)
goto ep_exit_recover;
switch (qedi_ep->state) {
*/
qedi_ops->common->update_pf_params(qedi->cdev, &qedi->pf_params);
- qedi_setup_int(qedi);
+ rc = qedi_setup_int(qedi);
if (rc)
goto stop_iscsi_func;
"%-+5d 0 1 2 3 4 5 6 7 8 9 A B C D E F\n", size);
ql_dbg(level, vha, id,
"----- -----------------------------------------------\n");
- for (cnt = 0; cnt < size; cnt++, buf++) {
- if (cnt % 16 == 0)
- ql_dbg(level, vha, id, "%04x:", cnt & ~0xFU);
- printk(" %02x", *buf);
- if (cnt % 16 == 15)
- printk("\n");
+ for (cnt = 0; cnt < size; cnt += 16) {
+ ql_dbg(level, vha, id, "%04x: ", cnt);
+ print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1,
+ buf + cnt, min(16U, size - cnt), false);
}
- if (cnt % 16 != 0)
- printk("\n");
}
/**
* scsi_internal_device_block - internal function to put a device temporarily into the SDEV_BLOCK state
* @sdev: device to block
+ * @wait: Whether or not to wait until ongoing .queuecommand() /
+ * .queue_rq() calls have finished.
*
* Block request made by scsi lld's to temporarily stop all
* scsi commands on the specified device. May sleep.
* remove the rport mutex lock and unlock calls from srp_queuecommand().
*/
int
-scsi_internal_device_block(struct scsi_device *sdev)
+scsi_internal_device_block(struct scsi_device *sdev, bool wait)
{
struct request_queue *q = sdev->request_queue;
unsigned long flags;
* request queue.
*/
if (q->mq_ops) {
- blk_mq_quiesce_queue(q);
+ if (wait)
+ blk_mq_quiesce_queue(q);
+ else
+ blk_mq_stop_hw_queues(q);
} else {
spin_lock_irqsave(q->queue_lock, flags);
blk_stop_queue(q);
spin_unlock_irqrestore(q->queue_lock, flags);
- scsi_wait_for_queuecommand(sdev);
+ if (wait)
+ scsi_wait_for_queuecommand(sdev);
}
return 0;
static void
device_block(struct scsi_device *sdev, void *data)
{
- scsi_internal_device_block(sdev);
+ scsi_internal_device_block(sdev, true);
}
static int
*/
#define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */
-extern int scsi_internal_device_block(struct scsi_device *sdev);
-extern int scsi_internal_device_unblock(struct scsi_device *sdev,
- enum scsi_device_state new_state);
#endif /* _SCSI_PRIV_H */
{
int result = SCpnt->result;
unsigned int good_bytes = result ? 0 : scsi_bufflen(SCpnt);
+ unsigned int sector_size = SCpnt->device->sector_size;
+ unsigned int resid;
struct scsi_sense_hdr sshdr;
struct scsi_disk *sdkp = scsi_disk(SCpnt->request->rq_disk);
struct request *req = SCpnt->request;
scsi_set_resid(SCpnt, blk_rq_bytes(req));
}
break;
+ default:
+ /*
+ * In case of bogus fw or device, we could end up having
+ * an unaligned partial completion. Check this here and force
+ * alignment.
+ */
+ resid = scsi_get_resid(SCpnt);
+ if (resid & (sector_size - 1)) {
+ sd_printk(KERN_INFO, sdkp,
+ "Unaligned partial completion (resid=%u, sector_sz=%u)\n",
+ resid, sector_size);
+ resid = min(scsi_bufflen(SCpnt),
+ round_up(resid, sector_size));
+ scsi_set_resid(SCpnt, resid);
+ }
}
if (result) {
*/
static int storvsc_timeout = 180;
-static int msft_blist_flags = BLIST_TRY_VPD_PAGES;
-
#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
static struct scsi_transport_template *fc_transport_template;
#endif
return ret;
}
+static int storvsc_device_alloc(struct scsi_device *sdevice)
+{
+ /*
+ * Set blist flag to permit the reading of the VPD pages even when
+ * the target may claim SPC-2 compliance. MSFT targets currently
+ * claim SPC-2 compliance while they implement post SPC-2 features.
+ * With this flag we can correctly handle WRITE_SAME_16 issues.
+ *
+ * Hypervisor reports SCSI_UNKNOWN type for DVD ROM device but
+ * still supports REPORT LUN.
+ */
+ sdevice->sdev_bflags = BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES;
+
+ return 0;
+}
+
static int storvsc_device_configure(struct scsi_device *sdevice)
{
sdevice->no_write_same = 1;
- /*
- * Add blist flags to permit the reading of the VPD pages even when
- * the target may claim SPC-2 compliance. MSFT targets currently
- * claim SPC-2 compliance while they implement post SPC-2 features.
- * With this patch we can correctly handle WRITE_SAME_16 issues.
- */
- sdevice->sdev_bflags |= msft_blist_flags;
-
/*
* If the host is WIN8 or WIN8 R2, claim conformance to SPC-3
* if the device is a MSFT virtual device. If the host is
.eh_host_reset_handler = storvsc_host_reset_handler,
.proc_name = "storvsc_host",
.eh_timed_out = storvsc_eh_timed_out,
+ .slave_alloc = storvsc_device_alloc,
.slave_configure = storvsc_device_configure,
.cmd_per_lun = 255,
.this_id = -1,
/* Descriptor idn for Query requests */
enum desc_idn {
QUERY_DESC_IDN_DEVICE = 0x0,
- QUERY_DESC_IDN_CONFIGURAION = 0x1,
+ QUERY_DESC_IDN_CONFIGURATION = 0x1,
QUERY_DESC_IDN_UNIT = 0x2,
QUERY_DESC_IDN_RFU_0 = 0x3,
QUERY_DESC_IDN_INTERCONNECT = 0x4,
QUERY_DESC_DESC_TYPE_OFFSET = 0x01,
};
-enum ufs_desc_max_size {
- QUERY_DESC_DEVICE_MAX_SIZE = 0x40,
- QUERY_DESC_CONFIGURAION_MAX_SIZE = 0x90,
- QUERY_DESC_UNIT_MAX_SIZE = 0x23,
- QUERY_DESC_INTERCONNECT_MAX_SIZE = 0x06,
- /*
- * Max. 126 UNICODE characters (2 bytes per character) plus 2 bytes
- * of descriptor header.
- */
- QUERY_DESC_STRING_MAX_SIZE = 0xFE,
- QUERY_DESC_GEOMETRY_MAX_SIZE = 0x44,
- QUERY_DESC_POWER_MAX_SIZE = 0x62,
- QUERY_DESC_RFU_MAX_SIZE = 0x00,
+enum ufs_desc_def_size {
+ QUERY_DESC_DEVICE_DEF_SIZE = 0x40,
+ QUERY_DESC_CONFIGURATION_DEF_SIZE = 0x90,
+ QUERY_DESC_UNIT_DEF_SIZE = 0x23,
+ QUERY_DESC_INTERCONNECT_DEF_SIZE = 0x06,
+ QUERY_DESC_GEOMETRY_DEF_SIZE = 0x44,
+ QUERY_DESC_POWER_DEF_SIZE = 0x62,
};
/* Unit descriptor parameters offsets in bytes*/
#define ufshcd_hex_dump(prefix_str, buf, len) \
print_hex_dump(KERN_ERR, prefix_str, DUMP_PREFIX_OFFSET, 16, 4, buf, len, false)
-static u32 ufs_query_desc_max_size[] = {
- QUERY_DESC_DEVICE_MAX_SIZE,
- QUERY_DESC_CONFIGURAION_MAX_SIZE,
- QUERY_DESC_UNIT_MAX_SIZE,
- QUERY_DESC_RFU_MAX_SIZE,
- QUERY_DESC_INTERCONNECT_MAX_SIZE,
- QUERY_DESC_STRING_MAX_SIZE,
- QUERY_DESC_RFU_MAX_SIZE,
- QUERY_DESC_GEOMETRY_MAX_SIZE,
- QUERY_DESC_POWER_MAX_SIZE,
- QUERY_DESC_RFU_MAX_SIZE,
-};
-
enum {
UFSHCD_MAX_CHANNEL = 0,
UFSHCD_MAX_ID = 1,
goto out;
}
- if (*buf_len <= QUERY_DESC_MIN_SIZE || *buf_len > QUERY_DESC_MAX_SIZE) {
+ if (*buf_len < QUERY_DESC_MIN_SIZE || *buf_len > QUERY_DESC_MAX_SIZE) {
dev_err(hba->dev, "%s: descriptor buffer size (%d) is out of range\n",
__func__, *buf_len);
err = -EINVAL;
return err;
}
+/**
+ * ufshcd_read_desc_length - read the specified descriptor length from header
+ * @hba: Pointer to adapter instance
+ * @desc_id: descriptor idn value
+ * @desc_index: descriptor index
+ * @desc_length: pointer to variable to read the length of descriptor
+ *
+ * Return 0 in case of success, non-zero otherwise
+ */
+static int ufshcd_read_desc_length(struct ufs_hba *hba,
+ enum desc_idn desc_id,
+ int desc_index,
+ int *desc_length)
+{
+ int ret;
+ u8 header[QUERY_DESC_HDR_SIZE];
+ int header_len = QUERY_DESC_HDR_SIZE;
+
+ if (desc_id >= QUERY_DESC_IDN_MAX)
+ return -EINVAL;
+
+ ret = ufshcd_query_descriptor_retry(hba, UPIU_QUERY_OPCODE_READ_DESC,
+ desc_id, desc_index, 0, header,
+ &header_len);
+
+ if (ret) {
+ dev_err(hba->dev, "%s: Failed to get descriptor header id %d",
+ __func__, desc_id);
+ return ret;
+ } else if (desc_id != header[QUERY_DESC_DESC_TYPE_OFFSET]) {
+ dev_warn(hba->dev, "%s: descriptor header id %d and desc_id %d mismatch",
+ __func__, header[QUERY_DESC_DESC_TYPE_OFFSET],
+ desc_id);
+ ret = -EINVAL;
+ }
+
+ *desc_length = header[QUERY_DESC_LENGTH_OFFSET];
+ return ret;
+
+}
+
+/**
+ * ufshcd_map_desc_id_to_length - map descriptor IDN to its length
+ * @hba: Pointer to adapter instance
+ * @desc_id: descriptor idn value
+ * @desc_len: mapped desc length (out)
+ *
+ * Return 0 in case of success, non-zero otherwise
+ */
+int ufshcd_map_desc_id_to_length(struct ufs_hba *hba,
+ enum desc_idn desc_id, int *desc_len)
+{
+ switch (desc_id) {
+ case QUERY_DESC_IDN_DEVICE:
+ *desc_len = hba->desc_size.dev_desc;
+ break;
+ case QUERY_DESC_IDN_POWER:
+ *desc_len = hba->desc_size.pwr_desc;
+ break;
+ case QUERY_DESC_IDN_GEOMETRY:
+ *desc_len = hba->desc_size.geom_desc;
+ break;
+ case QUERY_DESC_IDN_CONFIGURATION:
+ *desc_len = hba->desc_size.conf_desc;
+ break;
+ case QUERY_DESC_IDN_UNIT:
+ *desc_len = hba->desc_size.unit_desc;
+ break;
+ case QUERY_DESC_IDN_INTERCONNECT:
+ *desc_len = hba->desc_size.interc_desc;
+ break;
+ case QUERY_DESC_IDN_STRING:
+ *desc_len = QUERY_DESC_MAX_SIZE;
+ break;
+ case QUERY_DESC_IDN_RFU_0:
+ case QUERY_DESC_IDN_RFU_1:
+ *desc_len = 0;
+ break;
+ default:
+ *desc_len = 0;
+ return -EINVAL;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(ufshcd_map_desc_id_to_length);
+
/**
* ufshcd_read_desc_param - read the specified descriptor parameter
* @hba: Pointer to adapter instance
static int ufshcd_read_desc_param(struct ufs_hba *hba,
enum desc_idn desc_id,
int desc_index,
- u32 param_offset,
+ u8 param_offset,
u8 *param_read_buf,
- u32 param_size)
+ u8 param_size)
{
int ret;
u8 *desc_buf;
- u32 buff_len;
+ int buff_len;
bool is_kmalloc = true;
- /* safety checks */
- if (desc_id >= QUERY_DESC_IDN_MAX)
+ /* Safety check */
+ if (desc_id >= QUERY_DESC_IDN_MAX || !param_size)
return -EINVAL;
- buff_len = ufs_query_desc_max_size[desc_id];
- if ((param_offset + param_size) > buff_len)
- return -EINVAL;
+ /* Get the max length of descriptor from structure filled up at probe
+ * time.
+ */
+ ret = ufshcd_map_desc_id_to_length(hba, desc_id, &buff_len);
- if (!param_offset && (param_size == buff_len)) {
- /* memory space already available to hold full descriptor */
- desc_buf = param_read_buf;
- is_kmalloc = false;
- } else {
- /* allocate memory to hold full descriptor */
+ /* Sanity checks */
+ if (ret || !buff_len) {
+ dev_err(hba->dev, "%s: Failed to get full descriptor length",
+ __func__);
+ return ret;
+ }
+
+ /* Check whether we need temp memory */
+ if (param_offset != 0 || param_size < buff_len) {
desc_buf = kmalloc(buff_len, GFP_KERNEL);
if (!desc_buf)
return -ENOMEM;
+ } else {
+ desc_buf = param_read_buf;
+ is_kmalloc = false;
}
+ /* Request for full descriptor */
ret = ufshcd_query_descriptor_retry(hba, UPIU_QUERY_OPCODE_READ_DESC,
- desc_id, desc_index, 0, desc_buf,
- &buff_len);
+ desc_id, desc_index, 0,
+ desc_buf, &buff_len);
if (ret) {
dev_err(hba->dev, "%s: Failed reading descriptor. desc_id %d, desc_index %d, param_offset %d, ret %d",
__func__, desc_id, desc_index, param_offset, ret);
-
goto out;
}
goto out;
}
- /*
- * While reading variable size descriptors (like string descriptor),
- * some UFS devices may report the "LENGTH" (field in "Transaction
- * Specific fields" of Query Response UPIU) same as what was requested
- * in Query Request UPIU instead of reporting the actual size of the
- * variable size descriptor.
- * Although it's safe to ignore the "LENGTH" field for variable size
- * descriptors as we can always derive the length of the descriptor from
- * the descriptor header fields. Hence this change impose the length
- * match check only for fixed size descriptors (for which we always
- * request the correct size as part of Query Request UPIU).
- */
- if ((desc_id != QUERY_DESC_IDN_STRING) &&
- (buff_len != desc_buf[QUERY_DESC_LENGTH_OFFSET])) {
- dev_err(hba->dev, "%s: desc_buf length mismatch: buff_len %d, buff_len(desc_header) %d",
- __func__, buff_len, desc_buf[QUERY_DESC_LENGTH_OFFSET]);
- ret = -EINVAL;
- goto out;
- }
+ /* Check wherher we will not copy more data, than available */
+ if (is_kmalloc && param_size > buff_len)
+ param_size = buff_len;
if (is_kmalloc)
memcpy(param_read_buf, &desc_buf[param_offset], param_size);
static void ufshcd_init_icc_levels(struct ufs_hba *hba)
{
int ret;
- int buff_len = QUERY_DESC_POWER_MAX_SIZE;
- u8 desc_buf[QUERY_DESC_POWER_MAX_SIZE];
+ int buff_len = hba->desc_size.pwr_desc;
+ u8 desc_buf[hba->desc_size.pwr_desc];
ret = ufshcd_read_power_desc(hba, desc_buf, buff_len);
if (ret) {
{
int err;
u8 model_index;
- u8 str_desc_buf[QUERY_DESC_STRING_MAX_SIZE + 1] = {0};
- u8 desc_buf[QUERY_DESC_DEVICE_MAX_SIZE];
+ u8 str_desc_buf[QUERY_DESC_MAX_SIZE + 1] = {0};
+ u8 desc_buf[hba->desc_size.dev_desc];
- err = ufshcd_read_device_desc(hba, desc_buf,
- QUERY_DESC_DEVICE_MAX_SIZE);
+ err = ufshcd_read_device_desc(hba, desc_buf, hba->desc_size.dev_desc);
if (err) {
dev_err(hba->dev, "%s: Failed reading Device Desc. err = %d\n",
__func__, err);
model_index = desc_buf[DEVICE_DESC_PARAM_PRDCT_NAME];
err = ufshcd_read_string_desc(hba, model_index, str_desc_buf,
- QUERY_DESC_STRING_MAX_SIZE, ASCII_STD);
+ QUERY_DESC_MAX_SIZE, ASCII_STD);
if (err) {
dev_err(hba->dev, "%s: Failed reading Product Name. err = %d\n",
__func__, err);
goto out;
}
- str_desc_buf[QUERY_DESC_STRING_MAX_SIZE] = '\0';
+ str_desc_buf[QUERY_DESC_MAX_SIZE] = '\0';
strlcpy(dev_desc->model, (str_desc_buf + QUERY_DESC_HDR_SIZE),
min_t(u8, str_desc_buf[QUERY_DESC_LENGTH_OFFSET],
MAX_MODEL_LEN));
hba->req_abort_count = 0;
}
+static void ufshcd_init_desc_sizes(struct ufs_hba *hba)
+{
+ int err;
+
+ err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_DEVICE, 0,
+ &hba->desc_size.dev_desc);
+ if (err)
+ hba->desc_size.dev_desc = QUERY_DESC_DEVICE_DEF_SIZE;
+
+ err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_POWER, 0,
+ &hba->desc_size.pwr_desc);
+ if (err)
+ hba->desc_size.pwr_desc = QUERY_DESC_POWER_DEF_SIZE;
+
+ err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_INTERCONNECT, 0,
+ &hba->desc_size.interc_desc);
+ if (err)
+ hba->desc_size.interc_desc = QUERY_DESC_INTERCONNECT_DEF_SIZE;
+
+ err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_CONFIGURATION, 0,
+ &hba->desc_size.conf_desc);
+ if (err)
+ hba->desc_size.conf_desc = QUERY_DESC_CONFIGURATION_DEF_SIZE;
+
+ err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_UNIT, 0,
+ &hba->desc_size.unit_desc);
+ if (err)
+ hba->desc_size.unit_desc = QUERY_DESC_UNIT_DEF_SIZE;
+
+ err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_GEOMETRY, 0,
+ &hba->desc_size.geom_desc);
+ if (err)
+ hba->desc_size.geom_desc = QUERY_DESC_GEOMETRY_DEF_SIZE;
+}
+
+static void ufshcd_def_desc_sizes(struct ufs_hba *hba)
+{
+ hba->desc_size.dev_desc = QUERY_DESC_DEVICE_DEF_SIZE;
+ hba->desc_size.pwr_desc = QUERY_DESC_POWER_DEF_SIZE;
+ hba->desc_size.interc_desc = QUERY_DESC_INTERCONNECT_DEF_SIZE;
+ hba->desc_size.conf_desc = QUERY_DESC_CONFIGURATION_DEF_SIZE;
+ hba->desc_size.unit_desc = QUERY_DESC_UNIT_DEF_SIZE;
+ hba->desc_size.geom_desc = QUERY_DESC_GEOMETRY_DEF_SIZE;
+}
+
/**
* ufshcd_probe_hba - probe hba to detect device and initialize
* @hba: per-adapter instance
if (ret)
goto out;
+ /* Init check for device descriptor sizes */
+ ufshcd_init_desc_sizes(hba);
+
ret = ufs_get_device_desc(hba, &card);
if (ret) {
dev_err(hba->dev, "%s: Failed getting device info. err = %d\n",
/* set the state as operational after switching to desired gear */
hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL;
+
/*
* If we are in error handling context or in power management callbacks
* context, no need to scan the host
hba->mmio_base = mmio_base;
hba->irq = irq;
+ /* Set descriptor lengths to specification defaults */
+ ufshcd_def_desc_sizes(hba);
+
err = ufshcd_hba_init(hba);
if (err)
goto out_error;
struct ufs_query query;
};
+struct ufs_desc_size {
+ int dev_desc;
+ int pwr_desc;
+ int geom_desc;
+ int interc_desc;
+ int unit_desc;
+ int conf_desc;
+};
+
/**
* struct ufs_clk_info - UFS clock related info
* @list: list headed by hba->clk_list_head
* @clk_list_head: UFS host controller clocks list node head
* @pwr_info: holds current power mode
* @max_pwr_info: keeps the device max valid pwm
+ * @desc_size: descriptor sizes reported by device
* @urgent_bkops_lvl: keeps track of urgent bkops level for device
* @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for
* device is known or not.
bool is_urgent_bkops_lvl_checked;
struct rw_semaphore clk_scaling_lock;
+ struct ufs_desc_size desc_size;
};
/* Returns true if clocks can be gated. Otherwise false */
enum flag_idn idn, bool *flag_res);
int ufshcd_hold(struct ufs_hba *hba, bool async);
void ufshcd_release(struct ufs_hba *hba);
+
+int ufshcd_map_desc_id_to_length(struct ufs_hba *hba, enum desc_idn desc_id,
+ int *desc_length);
+
u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba);
/* Wrapper functions for safely calling variant operations */
irq_flag &= ~PCI_IRQ_MSI;
error = pci_alloc_irq_vectors(adapter->dev, 1, 1, irq_flag);
- if (error)
+ if (error < 0)
goto out_reset_adapter;
adapter->use_req_threshold = pvscsi_setup_req_threshold(adapter, true);
newsock->ops = sock->ops;
- rc = sock->ops->accept(sock, newsock, O_NONBLOCK);
+ rc = sock->ops->accept(sock, newsock, O_NONBLOCK, false);
if (rc == -EAGAIN) {
/* Nothing ready, so wait for activity */
init_waitqueue_entry(&wait, current);
set_current_state(TASK_INTERRUPTIBLE);
schedule();
remove_wait_queue(sk_sleep(sock->sk), &wait);
- rc = sock->ops->accept(sock, newsock, O_NONBLOCK);
+ rc = sock->ops->accept(sock, newsock, O_NONBLOCK, false);
}
if (rc)
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/highmem.h>
+#include <linux/refcount.h>
#include <xen/xen.h>
#include <xen/grant_table.h>
int index;
int count;
int flags;
- atomic_t users;
+ refcount_t users;
struct unmap_notify notify;
struct ioctl_gntdev_grant_ref *grants;
struct gnttab_map_grant_ref *map_ops;
add->index = 0;
add->count = count;
- atomic_set(&add->users, 1);
+ refcount_set(&add->users, 1);
return add;
if (!map)
return;
- if (!atomic_dec_and_test(&map->users))
+ if (!refcount_dec_and_test(&map->users))
return;
atomic_sub(map->count, &pages_mapped);
struct grant_map *map = vma->vm_private_data;
pr_debug("gntdev_vma_open %p\n", vma);
- atomic_inc(&map->users);
+ refcount_inc(&map->users);
}
static void gntdev_vma_close(struct vm_area_struct *vma)
goto unlock_out;
}
- atomic_inc(&map->users);
+ refcount_inc(&map->users);
vma->vm_ops = &gntdev_vmops;
{
struct afs_server *server;
struct afs_vnode *vnode, *xvnode;
- time_t now;
+ time64_t now;
long timeout;
int ret;
_enter("");
- now = get_seconds();
+ now = ktime_get_real_seconds();
/* find the first vnode to update */
spin_lock(&server->cb_lock);
/* and then reschedule */
_debug("reschedule");
- vnode->update_at = get_seconds() + afs_vnode_update_timeout;
+ vnode->update_at = ktime_get_real_seconds() +
+ afs_vnode_update_timeout;
spin_lock(&server->cb_lock);
struct afs_callback *cb;
struct afs_server *server;
__be32 *bp;
- u32 tmp;
int ret, loop;
_enter("{%u}", call->unmarshall);
if (ret < 0)
return ret;
- tmp = ntohl(call->tmp);
- _debug("CB count: %u", tmp);
- if (tmp != call->count && tmp != 0)
+ call->count2 = ntohl(call->tmp);
+ _debug("CB count: %u", call->count2);
+ if (call->count2 != call->count && call->count2 != 0)
return -EBADMSG;
call->offset = 0;
call->unmarshall++;
case 4:
_debug("extract CB array");
ret = afs_extract_data(call, call->buffer,
- call->count * 3 * 4, false);
+ call->count2 * 3 * 4, false);
if (ret < 0)
return ret;
_debug("unmarshall CB array");
cb = call->request;
bp = call->buffer;
- for (loop = call->count; loop > 0; loop--, cb++) {
+ for (loop = call->count2; loop > 0; loop--, cb++) {
cb->version = ntohl(*bp++);
cb->expiry = ntohl(*bp++);
cb->type = ntohl(*bp++);
const struct file_operations afs_file_operations = {
.open = afs_open,
+ .flush = afs_flush,
.release = afs_release,
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
if (!req)
goto enomem;
+ /* We request a full page. If the page is a partial one at the
+ * end of the file, the server will return a short read and the
+ * unmarshalling code will clear the unfilled space.
+ */
atomic_set(&req->usage, 1);
req->pos = (loff_t)page->index << PAGE_SHIFT;
- req->len = min_t(size_t, i_size_read(inode) - req->pos,
- PAGE_SIZE);
+ req->len = PAGE_SIZE;
req->nr_pages = 1;
req->pages[0] = page;
get_page(page);
fscache_uncache_page(vnode->cache, page);
#endif
BUG_ON(PageFsCache(page));
- goto error;
+
+ if (ret == -EINTR ||
+ ret == -ENOMEM ||
+ ret == -ERESTARTSYS ||
+ ret == -EAGAIN)
+ goto error;
+ goto io_error;
}
SetPageUptodate(page);
_leave(" = 0");
return 0;
+io_error:
+ SetPageError(page);
+ goto error;
enomem:
ret = -ENOMEM;
error:
- SetPageError(page);
unlock_page(page);
_leave(" = %d", ret);
return ret;
#include "internal.h"
#include "afs_fs.h"
+/*
+ * We need somewhere to discard into in case the server helpfully returns more
+ * than we asked for in FS.FetchData{,64}.
+ */
+static u8 afs_discard_buffer[64];
+
/*
* decode an AFSFid block
*/
vnode->vfs_inode.i_mode = mode;
}
- vnode->vfs_inode.i_ctime.tv_sec = status->mtime_server;
+ vnode->vfs_inode.i_ctime.tv_sec = status->mtime_client;
vnode->vfs_inode.i_mtime = vnode->vfs_inode.i_ctime;
vnode->vfs_inode.i_atime = vnode->vfs_inode.i_ctime;
vnode->vfs_inode.i_version = data_version;
vnode->cb_version = ntohl(*bp++);
vnode->cb_expiry = ntohl(*bp++);
vnode->cb_type = ntohl(*bp++);
- vnode->cb_expires = vnode->cb_expiry + get_seconds();
+ vnode->cb_expires = vnode->cb_expiry + ktime_get_real_seconds();
*_bp = bp;
}
void *buffer;
int ret;
- _enter("{%u,%zu/%u;%u/%llu}",
+ _enter("{%u,%zu/%u;%llu/%llu}",
call->unmarshall, call->offset, call->count,
req->remain, req->actual_len);
req->actual_len |= ntohl(call->tmp);
_debug("DATA length: %llu", req->actual_len);
- /* Check that the server didn't want to send us extra. We
- * might want to just discard instead, but that requires
- * cooperation from AF_RXRPC.
- */
- if (req->actual_len > req->len)
- return -EBADMSG;
req->remain = req->actual_len;
call->offset = req->pos & (PAGE_SIZE - 1);
call->unmarshall++;
begin_page:
+ ASSERTCMP(req->index, <, req->nr_pages);
if (req->remain > PAGE_SIZE - call->offset)
size = PAGE_SIZE - call->offset;
else
/* extract the returned data */
case 3:
- _debug("extract data %u/%llu %zu/%u",
+ _debug("extract data %llu/%llu %zu/%u",
req->remain, req->actual_len, call->offset, call->count);
buffer = kmap(req->pages[req->index]);
if (call->offset == PAGE_SIZE) {
if (req->page_done)
req->page_done(call, req);
+ req->index++;
if (req->remain > 0) {
- req->index++;
call->offset = 0;
+ if (req->index >= req->nr_pages) {
+ call->unmarshall = 4;
+ goto begin_discard;
+ }
goto begin_page;
}
}
+ goto no_more_data;
+
+ /* Discard any excess data the server gave us */
+ begin_discard:
+ case 4:
+ size = min_t(loff_t, sizeof(afs_discard_buffer), req->remain);
+ call->count = size;
+ _debug("extract discard %llu/%llu %zu/%u",
+ req->remain, req->actual_len, call->offset, call->count);
+
+ call->offset = 0;
+ ret = afs_extract_data(call, afs_discard_buffer, call->count, true);
+ req->remain -= call->offset;
+ if (ret < 0)
+ return ret;
+ if (req->remain > 0)
+ goto begin_discard;
no_more_data:
call->offset = 0;
- call->unmarshall++;
+ call->unmarshall = 5;
/* extract the metadata */
- case 4:
+ case 5:
ret = afs_extract_data(call, call->buffer,
(21 + 3 + 6) * 4, false);
if (ret < 0)
call->offset = 0;
call->unmarshall++;
- case 5:
+ case 6:
break;
}
- if (call->count < PAGE_SIZE) {
- buffer = kmap(req->pages[req->index]);
- memset(buffer + call->count, 0, PAGE_SIZE - call->count);
- kunmap(req->pages[req->index]);
+ for (; req->index < req->nr_pages; req->index++) {
+ if (call->count < PAGE_SIZE)
+ zero_user_segment(req->pages[req->index],
+ call->count, PAGE_SIZE);
if (req->page_done)
req->page_done(call, req);
+ call->count = 0;
}
_leave(" = 0 [done]");
memset(bp, 0, padsz);
bp = (void *) bp + padsz;
}
- *bp++ = htonl(AFS_SET_MODE);
- *bp++ = 0; /* mtime */
+ *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME);
+ *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */
*bp++ = 0; /* owner */
*bp++ = 0; /* group */
*bp++ = htonl(mode & S_IALLUGO); /* unix mode */
memset(bp, 0, c_padsz);
bp = (void *) bp + c_padsz;
}
- *bp++ = htonl(AFS_SET_MODE);
- *bp++ = 0; /* mtime */
+ *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME);
+ *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */
*bp++ = 0; /* owner */
*bp++ = 0; /* group */
*bp++ = htonl(S_IRWXUGO); /* unix mode */
*bp++ = htonl(vnode->fid.vnode);
*bp++ = htonl(vnode->fid.unique);
- *bp++ = 0; /* mask */
- *bp++ = 0; /* mtime */
+ *bp++ = htonl(AFS_SET_MTIME); /* mask */
+ *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */
*bp++ = 0; /* owner */
*bp++ = 0; /* group */
*bp++ = 0; /* unix mode */
_enter(",%x,{%x:%u},,",
key_serial(wb->key), vnode->fid.vid, vnode->fid.vnode);
- size = to - offset;
+ size = (loff_t)to - (loff_t)offset;
if (first != last)
size += (loff_t)(last - first) << PAGE_SHIFT;
pos = (loff_t)first << PAGE_SHIFT;
*bp++ = htonl(vnode->fid.vnode);
*bp++ = htonl(vnode->fid.unique);
- *bp++ = 0; /* mask */
- *bp++ = 0; /* mtime */
+ *bp++ = htonl(AFS_SET_MTIME); /* mask */
+ *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */
*bp++ = 0; /* owner */
*bp++ = 0; /* group */
*bp++ = 0; /* unix mode */
inode->i_fop = &afs_dir_file_operations;
break;
case AFS_FTYPE_SYMLINK:
- inode->i_mode = S_IFLNK | vnode->status.mode;
- inode->i_op = &page_symlink_inode_operations;
+ /* Symlinks with a mode of 0644 are actually mountpoints. */
+ if ((vnode->status.mode & 0777) == 0644) {
+ inode->i_flags |= S_AUTOMOUNT;
+
+ spin_lock(&vnode->lock);
+ set_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags);
+ spin_unlock(&vnode->lock);
+
+ inode->i_mode = S_IFDIR | 0555;
+ inode->i_op = &afs_mntpt_inode_operations;
+ inode->i_fop = &afs_mntpt_file_operations;
+ } else {
+ inode->i_mode = S_IFLNK | vnode->status.mode;
+ inode->i_op = &page_symlink_inode_operations;
+ }
inode_nohighmem(inode);
break;
default:
set_nlink(inode, vnode->status.nlink);
inode->i_uid = vnode->status.owner;
- inode->i_gid = GLOBAL_ROOT_GID;
+ inode->i_gid = vnode->status.group;
inode->i_size = vnode->status.size;
- inode->i_ctime.tv_sec = vnode->status.mtime_server;
+ inode->i_ctime.tv_sec = vnode->status.mtime_client;
inode->i_ctime.tv_nsec = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime;
inode->i_blocks = 0;
inode->i_generation = vnode->fid.unique;
inode->i_version = vnode->status.data_version;
inode->i_mapping->a_ops = &afs_fs_aops;
-
- /* check to see whether a symbolic link is really a mountpoint */
- if (vnode->status.type == AFS_FTYPE_SYMLINK) {
- afs_mntpt_check_symlink(vnode, key);
-
- if (test_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags)) {
- inode->i_mode = S_IFDIR | vnode->status.mode;
- inode->i_op = &afs_mntpt_inode_operations;
- inode->i_fop = &afs_mntpt_file_operations;
- }
- }
-
return 0;
}
vnode->cb_version = 0;
vnode->cb_expiry = 0;
vnode->cb_type = 0;
- vnode->cb_expires = get_seconds();
+ vnode->cb_expires = ktime_get_real_seconds();
} else {
vnode->cb_version = cb->version;
vnode->cb_expiry = cb->expiry;
vnode->cb_type = cb->type;
- vnode->cb_expires = vnode->cb_expiry + get_seconds();
+ vnode->cb_expires = vnode->cb_expiry +
+ ktime_get_real_seconds();
}
}
!test_bit(AFS_VNODE_CB_BROKEN, &vnode->flags) &&
!test_bit(AFS_VNODE_MODIFIED, &vnode->flags) &&
!test_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) {
- if (vnode->cb_expires < get_seconds() + 10) {
+ if (vnode->cb_expires < ktime_get_real_seconds() + 10) {
_debug("callback expired");
set_bit(AFS_VNODE_CB_BROKEN, &vnode->flags);
} else {
mutex_lock(&vnode->permits_lock);
permits = vnode->permits;
- rcu_assign_pointer(vnode->permits, NULL);
+ RCU_INIT_POINTER(vnode->permits, NULL);
mutex_unlock(&vnode->permits_lock);
if (permits)
call_rcu(&permits->rcu, afs_zap_permits);
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/ktime.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/rxrpc.h>
unsigned request_size; /* size of request data */
unsigned reply_max; /* maximum size of reply */
unsigned first_offset; /* offset into mapping[first] */
- unsigned last_to; /* amount of mapping[last] */
+ union {
+ unsigned last_to; /* amount of mapping[last] */
+ unsigned count2; /* count used in unmarshalling */
+ };
unsigned char unmarshall; /* unmarshalling phase */
bool incoming; /* T if incoming call */
bool send_pages; /* T if data from mapping should be sent */
*/
struct afs_read {
loff_t pos; /* Where to start reading */
- loff_t len; /* How much to read */
+ loff_t len; /* How much we're asking for */
loff_t actual_len; /* How much we're actually getting */
+ loff_t remain; /* Amount remaining */
atomic_t usage;
- unsigned int remain; /* Amount remaining */
unsigned int index; /* Which page we're reading into */
- unsigned int pg_offset; /* Offset in page we're at */
unsigned int nr_pages;
void (*page_done)(struct afs_call *, struct afs_read *);
struct page *pages[];
*/
struct afs_vlocation {
atomic_t usage;
- time_t time_of_death; /* time at which put reduced usage to 0 */
+ time64_t time_of_death; /* time at which put reduced usage to 0 */
struct list_head link; /* link in cell volume location list */
struct list_head grave; /* link in master graveyard list */
struct list_head update; /* link in master update list */
struct afs_cache_vlocation vldb; /* volume information DB record */
struct afs_volume *vols[3]; /* volume access record pointer (index by type) */
wait_queue_head_t waitq; /* status change waitqueue */
- time_t update_at; /* time at which record should be updated */
+ time64_t update_at; /* time at which record should be updated */
spinlock_t lock; /* access lock */
afs_vlocation_state_t state; /* volume location state */
unsigned short upd_rej_cnt; /* ENOMEDIUM count during update */
*/
struct afs_server {
atomic_t usage;
- time_t time_of_death; /* time at which put reduced usage to 0 */
+ time64_t time_of_death; /* time at which put reduced usage to 0 */
struct in_addr addr; /* server address */
struct afs_cell *cell; /* cell in which server resides */
struct list_head link; /* link in cell's server list */
struct rb_node server_rb; /* link in server->fs_vnodes */
struct rb_node cb_promise; /* link in server->cb_promises */
struct work_struct cb_broken_work; /* work to be done on callback break */
- time_t cb_expires; /* time at which callback expires */
- time_t cb_expires_at; /* time used to order cb_promise */
+ time64_t cb_expires; /* time at which callback expires */
+ time64_t cb_expires_at; /* time used to order cb_promise */
unsigned cb_version; /* callback version */
unsigned cb_expiry; /* callback expiry time */
afs_callback_type_t cb_type; /* type of callback */
extern const struct file_operations afs_mntpt_file_operations;
extern struct vfsmount *afs_d_automount(struct path *);
-extern int afs_mntpt_check_symlink(struct afs_vnode *, struct key *);
extern void afs_mntpt_kill_timer(void);
/*
extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *);
extern ssize_t afs_file_write(struct kiocb *, struct iov_iter *);
extern int afs_writeback_all(struct afs_vnode *);
+extern int afs_flush(struct file *, fl_owner_t);
extern int afs_fsync(struct file *, loff_t, loff_t, int);
case RXKADDATALEN: return -EKEYREJECTED;
case RXKADILLEGALLEVEL: return -EKEYREJECTED;
+ case RXGEN_OPCODE: return -ENOTSUPP;
+
default: return -EREMOTEIO;
}
}
static unsigned long afs_mntpt_expiry_timeout = 10 * 60;
-/*
- * check a symbolic link to see whether it actually encodes a mountpoint
- * - sets the AFS_VNODE_MOUNTPOINT flag on the vnode appropriately
- */
-int afs_mntpt_check_symlink(struct afs_vnode *vnode, struct key *key)
-{
- struct page *page;
- size_t size;
- char *buf;
- int ret;
-
- _enter("{%x:%u,%u}",
- vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique);
-
- /* read the contents of the symlink into the pagecache */
- page = read_cache_page(AFS_VNODE_TO_I(vnode)->i_mapping, 0,
- afs_page_filler, key);
- if (IS_ERR(page)) {
- ret = PTR_ERR(page);
- goto out;
- }
-
- ret = -EIO;
- if (PageError(page))
- goto out_free;
-
- buf = kmap(page);
-
- /* examine the symlink's contents */
- size = vnode->status.size;
- _debug("symlink to %*.*s", (int) size, (int) size, buf);
-
- if (size > 2 &&
- (buf[0] == '%' || buf[0] == '#') &&
- buf[size - 1] == '.'
- ) {
- _debug("symlink is a mountpoint");
- spin_lock(&vnode->lock);
- set_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags);
- vnode->vfs_inode.i_flags |= S_AUTOMOUNT;
- spin_unlock(&vnode->lock);
- }
-
- ret = 0;
-
- kunmap(page);
-out_free:
- put_page(page);
-out:
- _leave(" = %d", ret);
- return ret;
-}
-
/*
* no valid lookup procedure on this sort of dir
*/
call->buffer = NULL;
}
+#define AFS_BVEC_MAX 8
+
+/*
+ * Load the given bvec with the next few pages.
+ */
+static void afs_load_bvec(struct afs_call *call, struct msghdr *msg,
+ struct bio_vec *bv, pgoff_t first, pgoff_t last,
+ unsigned offset)
+{
+ struct page *pages[AFS_BVEC_MAX];
+ unsigned int nr, n, i, to, bytes = 0;
+
+ nr = min_t(pgoff_t, last - first + 1, AFS_BVEC_MAX);
+ n = find_get_pages_contig(call->mapping, first, nr, pages);
+ ASSERTCMP(n, ==, nr);
+
+ msg->msg_flags |= MSG_MORE;
+ for (i = 0; i < nr; i++) {
+ to = PAGE_SIZE;
+ if (first + i >= last) {
+ to = call->last_to;
+ msg->msg_flags &= ~MSG_MORE;
+ }
+ bv[i].bv_page = pages[i];
+ bv[i].bv_len = to - offset;
+ bv[i].bv_offset = offset;
+ bytes += to - offset;
+ offset = 0;
+ }
+
+ iov_iter_bvec(&msg->msg_iter, WRITE | ITER_BVEC, bv, nr, bytes);
+}
+
/*
* attach the data from a bunch of pages on an inode to a call
*/
static int afs_send_pages(struct afs_call *call, struct msghdr *msg)
{
- struct page *pages[8];
- unsigned count, n, loop, offset, to;
+ struct bio_vec bv[AFS_BVEC_MAX];
+ unsigned int bytes, nr, loop, offset;
pgoff_t first = call->first, last = call->last;
int ret;
- _enter("");
-
offset = call->first_offset;
call->first_offset = 0;
do {
- _debug("attach %lx-%lx", first, last);
-
- count = last - first + 1;
- if (count > ARRAY_SIZE(pages))
- count = ARRAY_SIZE(pages);
- n = find_get_pages_contig(call->mapping, first, count, pages);
- ASSERTCMP(n, ==, count);
-
- loop = 0;
- do {
- struct bio_vec bvec = {.bv_page = pages[loop],
- .bv_offset = offset};
- msg->msg_flags = 0;
- to = PAGE_SIZE;
- if (first + loop >= last)
- to = call->last_to;
- else
- msg->msg_flags = MSG_MORE;
- bvec.bv_len = to - offset;
- offset = 0;
-
- _debug("- range %u-%u%s",
- offset, to, msg->msg_flags ? " [more]" : "");
- iov_iter_bvec(&msg->msg_iter, WRITE | ITER_BVEC,
- &bvec, 1, to - offset);
-
- /* have to change the state *before* sending the last
- * packet as RxRPC might give us the reply before it
- * returns from sending the request */
- if (first + loop >= last)
- call->state = AFS_CALL_AWAIT_REPLY;
- ret = rxrpc_kernel_send_data(afs_socket, call->rxcall,
- msg, to - offset);
- if (ret < 0)
- break;
- } while (++loop < count);
- first += count;
-
- for (loop = 0; loop < count; loop++)
- put_page(pages[loop]);
+ afs_load_bvec(call, msg, bv, first, last, offset);
+ offset = 0;
+ bytes = msg->msg_iter.count;
+ nr = msg->msg_iter.nr_segs;
+
+ /* Have to change the state *before* sending the last
+ * packet as RxRPC might give us the reply before it
+ * returns from sending the request.
+ */
+ if (first + nr - 1 >= last)
+ call->state = AFS_CALL_AWAIT_REPLY;
+ ret = rxrpc_kernel_send_data(afs_socket, call->rxcall,
+ msg, bytes);
+ for (loop = 0; loop < nr; loop++)
+ put_page(bv[loop].bv_page);
if (ret < 0)
break;
+
+ first += nr;
} while (first <= last);
- _leave(" = %d", ret);
return ret;
}
struct rxrpc_call *rxcall;
struct msghdr msg;
struct kvec iov[1];
+ size_t offset;
+ u32 abort_code;
int ret;
_enter("%x,{%d},", addr->s_addr, ntohs(call->port));
msg.msg_controllen = 0;
msg.msg_flags = (call->send_pages ? MSG_MORE : 0);
- /* have to change the state *before* sending the last packet as RxRPC
- * might give us the reply before it returns from sending the
- * request */
+ /* We have to change the state *before* sending the last packet as
+ * rxrpc might give us the reply before it returns from sending the
+ * request. Further, if the send fails, we may already have been given
+ * a notification and may have collected it.
+ */
if (!call->send_pages)
call->state = AFS_CALL_AWAIT_REPLY;
ret = rxrpc_kernel_send_data(afs_socket, rxcall,
return afs_wait_for_call_to_complete(call);
error_do_abort:
- rxrpc_kernel_abort_call(afs_socket, rxcall, RX_USER_ABORT, -ret, "KSD");
+ call->state = AFS_CALL_COMPLETE;
+ if (ret != -ECONNABORTED) {
+ rxrpc_kernel_abort_call(afs_socket, rxcall, RX_USER_ABORT,
+ -ret, "KSD");
+ } else {
+ abort_code = 0;
+ offset = 0;
+ rxrpc_kernel_recv_data(afs_socket, rxcall, NULL, 0, &offset,
+ false, &abort_code);
+ ret = call->type->abort_to_error(abort_code);
+ }
error_kill_call:
afs_put_call(call);
_leave(" = %d", ret);
case -EINPROGRESS:
case -EAGAIN:
goto out;
+ case -ECONNABORTED:
+ goto call_complete;
case -ENOTCONN:
abort_code = RX_CALL_DEAD;
rxrpc_kernel_abort_call(afs_socket, call->rxcall,
abort_code, -ret, "KNC");
- goto do_abort;
+ goto save_error;
case -ENOTSUPP:
- abort_code = RX_INVALID_OPERATION;
+ abort_code = RXGEN_OPCODE;
rxrpc_kernel_abort_call(afs_socket, call->rxcall,
abort_code, -ret, "KIV");
- goto do_abort;
+ goto save_error;
case -ENODATA:
case -EBADMSG:
case -EMSGSIZE:
abort_code = RXGEN_SS_UNMARSHAL;
rxrpc_kernel_abort_call(afs_socket, call->rxcall,
abort_code, EBADMSG, "KUM");
- goto do_abort;
+ goto save_error;
}
}
_leave("");
return;
-do_abort:
+save_error:
call->error = ret;
+call_complete:
call->state = AFS_CALL_COMPLETE;
goto done;
}
*/
static int afs_wait_for_call_to_complete(struct afs_call *call)
{
- const char *abort_why;
int ret;
DECLARE_WAITQUEUE(myself, current);
continue;
}
- abort_why = "KWC";
- ret = call->error;
- if (call->state == AFS_CALL_COMPLETE)
- break;
- abort_why = "KWI";
- ret = -EINTR;
- if (signal_pending(current))
+ if (call->state == AFS_CALL_COMPLETE ||
+ signal_pending(current))
break;
schedule();
}
remove_wait_queue(&call->waitq, &myself);
__set_current_state(TASK_RUNNING);
- /* kill the call */
+ /* Kill off the call if it's still live. */
if (call->state < AFS_CALL_COMPLETE) {
- _debug("call incomplete");
+ _debug("call interrupted");
rxrpc_kernel_abort_call(afs_socket, call->rxcall,
- RX_CALL_DEAD, -ret, abort_why);
+ RX_USER_ABORT, -EINTR, "KWI");
}
+ ret = call->error;
_debug("call complete");
afs_put_call(call);
_leave(" = %d", ret);
mutex_lock(&vnode->permits_lock);
permits = vnode->permits;
- rcu_assign_pointer(vnode->permits, NULL);
+ RCU_INIT_POINTER(vnode->permits, NULL);
mutex_unlock(&vnode->permits_lock);
if (permits)
} else {
if (!(access & AFS_ACE_LOOKUP))
goto permission_denied;
+ if ((mask & MAY_EXEC) && !(inode->i_mode & S_IXUSR))
+ goto permission_denied;
if (mask & (MAY_EXEC | MAY_READ)) {
if (!(access & AFS_ACE_READ))
goto permission_denied;
+ if (!(inode->i_mode & S_IRUSR))
+ goto permission_denied;
} else if (mask & MAY_WRITE) {
if (!(access & AFS_ACE_WRITE))
goto permission_denied;
+ if (!(inode->i_mode & S_IWUSR))
+ goto permission_denied;
}
}
key_put(key);
- ret = generic_permission(inode, mask);
_leave(" = %d", ret);
return ret;
spin_lock(&afs_server_graveyard_lock);
if (atomic_read(&server->usage) == 0) {
list_move_tail(&server->grave, &afs_server_graveyard);
- server->time_of_death = get_seconds();
+ server->time_of_death = ktime_get_real_seconds();
queue_delayed_work(afs_wq, &afs_server_reaper,
afs_server_timeout * HZ);
}
LIST_HEAD(corpses);
struct afs_server *server;
unsigned long delay, expiry;
- time_t now;
+ time64_t now;
- now = get_seconds();
+ now = ktime_get_real_seconds();
spin_lock(&afs_server_graveyard_lock);
while (!list_empty(&afs_server_graveyard)) {
struct afs_vlocation *xvl;
/* wait at least 10 minutes before updating... */
- vl->update_at = get_seconds() + afs_vlocation_update_timeout;
+ vl->update_at = ktime_get_real_seconds() +
+ afs_vlocation_update_timeout;
spin_lock(&afs_vlocation_updates_lock);
if (atomic_read(&vl->usage) == 0) {
_debug("buried");
list_move_tail(&vl->grave, &afs_vlocation_graveyard);
- vl->time_of_death = get_seconds();
+ vl->time_of_death = ktime_get_real_seconds();
queue_delayed_work(afs_wq, &afs_vlocation_reap,
afs_vlocation_timeout * HZ);
LIST_HEAD(corpses);
struct afs_vlocation *vl;
unsigned long delay, expiry;
- time_t now;
+ time64_t now;
_enter("");
- now = get_seconds();
+ now = ktime_get_real_seconds();
spin_lock(&afs_vlocation_graveyard_lock);
while (!list_empty(&afs_vlocation_graveyard)) {
{
struct afs_cache_vlocation vldb;
struct afs_vlocation *vl, *xvl;
- time_t now;
+ time64_t now;
long timeout;
int ret;
_enter("");
- now = get_seconds();
+ now = ktime_get_real_seconds();
/* find a record to update */
spin_lock(&afs_vlocation_updates_lock);
/* and then reschedule */
_debug("reschedule");
- vl->update_at = get_seconds() + afs_vlocation_update_timeout;
+ vl->update_at = ktime_get_real_seconds() +
+ afs_vlocation_update_timeout;
spin_lock(&afs_vlocation_updates_lock);
* partly or wholly fill a page that's under preparation for writing
*/
static int afs_fill_page(struct afs_vnode *vnode, struct key *key,
- loff_t pos, struct page *page)
+ loff_t pos, unsigned int len, struct page *page)
{
struct afs_read *req;
- loff_t i_size;
int ret;
_enter(",,%llu", (unsigned long long)pos);
atomic_set(&req->usage, 1);
req->pos = pos;
+ req->len = len;
req->nr_pages = 1;
req->pages[0] = page;
-
- i_size = i_size_read(&vnode->vfs_inode);
- if (pos + PAGE_SIZE > i_size)
- req->len = i_size - pos;
- else
- req->len = PAGE_SIZE;
+ get_page(page);
ret = afs_vnode_fetch_data(vnode, key, req);
afs_put_read(req);
kfree(candidate);
return -ENOMEM;
}
- *pagep = page;
- /* page won't leak in error case: it eventually gets cleaned off LRU */
if (!PageUptodate(page) && len != PAGE_SIZE) {
- ret = afs_fill_page(vnode, key, index << PAGE_SHIFT, page);
+ ret = afs_fill_page(vnode, key, pos & PAGE_MASK, PAGE_SIZE, page);
if (ret < 0) {
+ unlock_page(page);
+ put_page(page);
kfree(candidate);
_leave(" = %d [prep]", ret);
return ret;
SetPageUptodate(page);
}
+ /* page won't leak in error case: it eventually gets cleaned off LRU */
+ *pagep = page;
+
try_again:
spin_lock(&vnode->writeback_lock);
if (wb->state == AFS_WBACK_PENDING)
wb->state = AFS_WBACK_CONFLICTING;
spin_unlock(&vnode->writeback_lock);
- if (PageDirty(page)) {
+ if (clear_page_dirty_for_io(page)) {
ret = afs_write_back_from_locked_page(wb, page);
if (ret < 0) {
afs_put_writeback(candidate);
struct page *page, void *fsdata)
{
struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
+ struct key *key = file->private_data;
loff_t i_size, maybe_i_size;
+ int ret;
_enter("{%x:%u},{%lx}",
vnode->fid.vid, vnode->fid.vnode, page->index);
spin_unlock(&vnode->writeback_lock);
}
+ if (!PageUptodate(page)) {
+ if (copied < len) {
+ /* Try and load any missing data from the server. The
+ * unmarshalling routine will take care of clearing any
+ * bits that are beyond the EOF.
+ */
+ ret = afs_fill_page(vnode, key, pos + copied,
+ len - copied, page);
+ if (ret < 0)
+ return ret;
+ }
+ SetPageUptodate(page);
+ }
+
set_page_dirty(page);
if (PageDirty(page))
_debug("dirtied");
ASSERTCMP(pv.nr, ==, count);
for (loop = 0; loop < count; loop++) {
- ClearPageUptodate(pv.pages[loop]);
+ struct page *page = pv.pages[loop];
+ ClearPageUptodate(page);
if (error)
- SetPageError(pv.pages[loop]);
- end_page_writeback(pv.pages[loop]);
+ SetPageError(page);
+ if (PageWriteback(page))
+ end_page_writeback(page);
+ if (page->index >= first)
+ first = page->index + 1;
}
__pagevec_release(&pv);
_enter(",%lx", primary_page->index);
count = 1;
- if (!clear_page_dirty_for_io(primary_page))
- BUG();
if (test_set_page_writeback(primary_page))
BUG();
*/
lock_page(page);
- if (page->mapping != mapping) {
+ if (page->mapping != mapping || !PageDirty(page)) {
unlock_page(page);
put_page(page);
continue;
}
- if (wbc->sync_mode != WB_SYNC_NONE)
- wait_on_page_writeback(page);
-
- if (PageWriteback(page) || !PageDirty(page)) {
+ if (PageWriteback(page)) {
unlock_page(page);
+ if (wbc->sync_mode != WB_SYNC_NONE)
+ wait_on_page_writeback(page);
+ put_page(page);
continue;
}
wb->state = AFS_WBACK_WRITING;
spin_unlock(&wb->vnode->writeback_lock);
+ if (!clear_page_dirty_for_io(page))
+ BUG();
ret = afs_write_back_from_locked_page(wb, page);
unlock_page(page);
put_page(page);
return ret;
}
+/*
+ * Flush out all outstanding writes on a file opened for writing when it is
+ * closed.
+ */
+int afs_flush(struct file *file, fl_owner_t id)
+{
+ _enter("");
+
+ if ((file->f_mode & FMODE_WRITE) == 0)
+ return 0;
+
+ return vfs_fsync(file, 0);
+}
+
/*
* notification that a previously read-only page is about to become writable
* - if it returns an error, the caller will deliver a bus error signal
newsock->type = con->sock->type;
newsock->ops = con->sock->ops;
- result = con->sock->ops->accept(con->sock, newsock, O_NONBLOCK);
+ result = con->sock->ops->accept(con->sock, newsock, O_NONBLOCK, true);
if (result < 0)
goto accept_err;
spin_unlock_bh(&wb->work_lock);
}
+static void finish_writeback_work(struct bdi_writeback *wb,
+ struct wb_writeback_work *work)
+{
+ struct wb_completion *done = work->done;
+
+ if (work->auto_free)
+ kfree(work);
+ if (done && atomic_dec_and_test(&done->cnt))
+ wake_up_all(&wb->bdi->wb_waitq);
+}
+
static void wb_queue_work(struct bdi_writeback *wb,
struct wb_writeback_work *work)
{
trace_writeback_queue(wb, work);
- spin_lock_bh(&wb->work_lock);
- if (!test_bit(WB_registered, &wb->state))
- goto out_unlock;
if (work->done)
atomic_inc(&work->done->cnt);
- list_add_tail(&work->list, &wb->work_list);
- mod_delayed_work(bdi_wq, &wb->dwork, 0);
-out_unlock:
+
+ spin_lock_bh(&wb->work_lock);
+
+ if (test_bit(WB_registered, &wb->state)) {
+ list_add_tail(&work->list, &wb->work_list);
+ mod_delayed_work(bdi_wq, &wb->dwork, 0);
+ } else
+ finish_writeback_work(wb, work);
+
spin_unlock_bh(&wb->work_lock);
}
set_bit(WB_writeback_running, &wb->state);
while ((work = get_next_work_item(wb)) != NULL) {
- struct wb_completion *done = work->done;
-
trace_writeback_exec(wb, work);
-
wrote += wb_writeback(wb, work);
-
- if (work->auto_free)
- kfree(work);
- if (done && atomic_dec_and_test(&done->cnt))
- wake_up_all(&wb->bdi->wb_waitq);
+ finish_writeback_work(wb, work);
}
/*
struct gfs2_sbd *ln_sbd;
u64 ln_number;
unsigned int ln_type;
-};
+} __packed __aligned(sizeof(int));
#define lm_name_equal(name1, name2) \
(((name1)->ln_number == (name2)->ln_number) && \
.svo_module = THIS_MODULE,
};
-struct svc_serv_ops *nfs4_cb_sv_ops[] = {
+static struct svc_serv_ops *nfs4_cb_sv_ops[] = {
[0] = &nfs40_cb_sv_ops,
[1] = &nfs41_cb_sv_ops,
};
#else
-struct svc_serv_ops *nfs4_cb_sv_ops[] = {
+static struct svc_serv_ops *nfs4_cb_sv_ops[] = {
[0] = &nfs40_cb_sv_ops,
[1] = NULL,
};
return NULL;
}
-static bool nfs_client_init_is_complete(const struct nfs_client *clp)
+/*
+ * Return true if @clp is done initializing, false if still working on it.
+ *
+ * Use nfs_client_init_status to check if it was successful.
+ */
+bool nfs_client_init_is_complete(const struct nfs_client *clp)
{
return clp->cl_cons_state <= NFS_CS_READY;
}
+EXPORT_SYMBOL_GPL(nfs_client_init_is_complete);
+
+/*
+ * Return 0 if @clp was successfully initialized, -errno otherwise.
+ *
+ * This must be called *after* nfs_client_init_is_complete() returns true,
+ * otherwise it will pop WARN_ON_ONCE and return -EINVAL
+ */
+int nfs_client_init_status(const struct nfs_client *clp)
+{
+ /* called without checking nfs_client_init_is_complete */
+ if (clp->cl_cons_state > NFS_CS_READY) {
+ WARN_ON_ONCE(1);
+ return -EINVAL;
+ }
+ return clp->cl_cons_state;
+}
+EXPORT_SYMBOL_GPL(nfs_client_init_status);
int nfs_wait_client_init_complete(const struct nfs_client *clp)
{
struct nfs4_deviceid_node *devid = FILELAYOUT_DEVID_NODE(lseg);
struct nfs4_pnfs_ds *ret = ds;
struct nfs_server *s = NFS_SERVER(lseg->pls_layout->plh_inode);
+ int status;
if (ds == NULL) {
printk(KERN_ERR "NFS: %s: No data server for offset index %d\n",
if (ds->ds_clp)
goto out_test_devid;
- nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
+ status = nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
dataserver_retrans, 4,
s->nfs_client->cl_minorversion);
+ if (status) {
+ nfs4_mark_deviceid_unavailable(devid);
+ ret = NULL;
+ goto out;
+ }
out_test_devid:
if (ret->ds_clp == NULL ||
static inline bool
ff_layout_test_devid_unavailable(struct nfs4_deviceid_node *node)
{
- return nfs4_test_deviceid_unavailable(node);
+ /*
+ * Flexfiles should never mark a DS unavailable, but if it does
+ * print a (ratelimited) warning as this can affect performance.
+ */
+ if (nfs4_test_deviceid_unavailable(node)) {
+ u32 *p = (u32 *)node->deviceid.data;
+
+ pr_warn_ratelimited("NFS: flexfiles layout referencing an "
+ "unavailable device [%x%x%x%x]\n",
+ p[0], p[1], p[2], p[3]);
+ return true;
+ }
+ return false;
}
static inline int
struct inode *ino = lseg->pls_layout->plh_inode;
struct nfs_server *s = NFS_SERVER(ino);
unsigned int max_payload;
+ int status;
if (!ff_layout_mirror_valid(lseg, mirror, true)) {
pr_err_ratelimited("NFS: %s: No data server for offset index %d\n",
/* FIXME: For now we assume the server sent only one version of NFS
* to use for the DS.
*/
- nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
+ status = nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
dataserver_retrans,
mirror->mirror_ds->ds_versions[0].version,
mirror->mirror_ds->ds_versions[0].minor_version);
mirror->mirror_ds->ds_versions[0].wsize = max_payload;
goto out;
}
+out_fail:
ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout),
mirror, lseg->pls_range.offset,
lseg->pls_range.length, NFS4ERR_NXIO,
OP_ILLEGAL, GFP_NOIO);
-out_fail:
if (fail_return || !ff_layout_has_available_ds(lseg))
pnfs_error_mark_layout_for_return(ino, lseg);
ds = NULL;
struct nfs_fh *,
struct nfs_fattr *,
rpc_authflavor_t);
+extern bool nfs_client_init_is_complete(const struct nfs_client *clp);
+extern int nfs_client_init_status(const struct nfs_client *clp);
extern int nfs_wait_client_init_complete(const struct nfs_client *clp);
extern void nfs_mark_client_ready(struct nfs_client *clp, int state);
extern struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
server_resp_sz = sess->fc_attrs.max_resp_sz - nfs41_maxread_overhead;
server_rqst_sz = sess->fc_attrs.max_rqst_sz - nfs41_maxwrite_overhead;
- if (server->rsize > server_resp_sz)
+ if (!server->rsize || server->rsize > server_resp_sz)
server->rsize = server_resp_sz;
- if (server->wsize > server_rqst_sz)
+ if (!server->wsize || server->wsize > server_rqst_sz)
server->wsize = server_rqst_sz;
#endif /* CONFIG_NFS_V4_1 */
}
if ((mask & ~cache.mask & (MAY_READ | MAY_EXEC)) == 0)
return 0;
- /* even though OPEN succeeded, access is denied. Close the file */
- nfs4_close_state(state, fmode);
return -EACCES;
}
struct nfs41_exchange_id_data *cdata =
(struct nfs41_exchange_id_data *)data;
- nfs_put_client(cdata->args.client);
if (cdata->xprt) {
xprt_put(cdata->xprt);
rpc_clnt_xprt_switch_put(cdata->args.client->cl_rpcclient);
}
+ nfs_put_client(cdata->args.client);
kfree(cdata->res.impl_id);
kfree(cdata->res.server_scope);
kfree(cdata->res.server_owner);
task_setup_data.callback_data = calldata;
task = rpc_run_task(&task_setup_data);
- if (IS_ERR(task)) {
- status = PTR_ERR(task);
- goto out_impl_id;
- }
+ if (IS_ERR(task))
+ return PTR_ERR(task);
if (!xprt) {
status = rpc_wait_for_completion_task(task);
kfree(calldata->res.server_owner);
out_calldata:
kfree(calldata);
+ nfs_put_client(clp);
goto out;
}
if (len <= 0)
goto out;
dprintk("%s: name=%s\n", __func__, group_name->data);
- return NFS_ATTR_FATTR_OWNER_NAME;
+ return NFS_ATTR_FATTR_GROUP_NAME;
} else {
len = xdr_stream_decode_opaque_inline(xdr, (void **)&p,
XDR_MAX_NETOBJ);
struct nfs4_pnfs_ds *nfs4_pnfs_ds_add(struct list_head *dsaddrs,
gfp_t gfp_flags);
void nfs4_pnfs_v3_ds_connect_unload(void);
-void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
+int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
struct nfs4_deviceid_node *devid, unsigned int timeo,
unsigned int retrans, u32 version, u32 minor_version);
struct nfs4_pnfs_ds_addr *nfs4_decode_mp_ds_addr(struct net *net,
/*
* Create an rpc connection to the nfs4_pnfs_ds data server.
* Currently only supports IPv4 and IPv6 addresses.
- * If connection fails, make devid unavailable.
+ * If connection fails, make devid unavailable and return a -errno.
*/
-void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
+int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
struct nfs4_deviceid_node *devid, unsigned int timeo,
unsigned int retrans, u32 version, u32 minor_version)
{
- if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {
- int err = 0;
+ int err;
+again:
+ err = 0;
+ if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {
if (version == 3) {
err = _nfs4_pnfs_v3_ds_connect(mds_srv, ds, timeo,
retrans);
err = -EPROTONOSUPPORT;
}
- if (err)
- nfs4_mark_deviceid_unavailable(devid);
nfs4_clear_ds_conn_bit(ds);
} else {
nfs4_wait_ds_connect(ds);
+
+ /* what was waited on didn't connect AND didn't mark unavail */
+ if (!ds->ds_clp && !nfs4_test_deviceid_unavailable(devid))
+ goto again;
}
+
+ /*
+ * At this point the ds->ds_clp should be ready, but it might have
+ * hit an error.
+ */
+ if (!err) {
+ if (!ds->ds_clp || !nfs_client_init_is_complete(ds->ds_clp)) {
+ WARN_ON_ONCE(ds->ds_clp ||
+ !nfs4_test_deviceid_unavailable(devid));
+ return -EINVAL;
+ }
+ err = nfs_client_init_status(ds->ds_clp);
+ }
+
+ return err;
}
EXPORT_SYMBOL_GPL(nfs4_pnfs_ds_connect);
(long long)req_offset(req));
if (status < 0) {
nfs_context_set_write_error(req->wb_context, status);
- nfs_inode_remove_request(req);
+ if (req->wb_page)
+ nfs_inode_remove_request(req);
dprintk_cont(", error = %d\n", status);
goto next;
}
* returned by the server against all stored verfs. */
if (!nfs_write_verifier_cmp(&req->wb_verf, &data->verf.verifier)) {
/* We have a match */
- nfs_inode_remove_request(req);
+ if (req->wb_page)
+ nfs_inode_remove_request(req);
dprintk_cont(" OK\n");
goto next;
}
new_sock->type = sock->type;
new_sock->ops = sock->ops;
- ret = sock->ops->accept(sock, new_sock, O_NONBLOCK);
+ ret = sock->ops->accept(sock, new_sock, O_NONBLOCK, false);
if (ret < 0)
goto out;
extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
+extern int xfs_dir2_sf_verify(struct xfs_mount *mp, struct xfs_dir2_sf_hdr *sfp,
+ int size);
/* xfs_dir2_readdir.c */
extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx,
}
#endif /* DEBUG */
+/* Verify the consistency of an inline directory. */
+int
+xfs_dir2_sf_verify(
+ struct xfs_mount *mp,
+ struct xfs_dir2_sf_hdr *sfp,
+ int size)
+{
+ struct xfs_dir2_sf_entry *sfep;
+ struct xfs_dir2_sf_entry *next_sfep;
+ char *endp;
+ const struct xfs_dir_ops *dops;
+ xfs_ino_t ino;
+ int i;
+ int i8count;
+ int offset;
+ __uint8_t filetype;
+
+ dops = xfs_dir_get_ops(mp, NULL);
+
+ /*
+ * Give up if the directory is way too short.
+ */
+ XFS_WANT_CORRUPTED_RETURN(mp, size >
+ offsetof(struct xfs_dir2_sf_hdr, parent));
+ XFS_WANT_CORRUPTED_RETURN(mp, size >=
+ xfs_dir2_sf_hdr_size(sfp->i8count));
+
+ endp = (char *)sfp + size;
+
+ /* Check .. entry */
+ ino = dops->sf_get_parent_ino(sfp);
+ i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
+ XFS_WANT_CORRUPTED_RETURN(mp, !xfs_dir_ino_validate(mp, ino));
+ offset = dops->data_first_offset;
+
+ /* Check all reported entries */
+ sfep = xfs_dir2_sf_firstentry(sfp);
+ for (i = 0; i < sfp->count; i++) {
+ /*
+ * struct xfs_dir2_sf_entry has a variable length.
+ * Check the fixed-offset parts of the structure are
+ * within the data buffer.
+ */
+ XFS_WANT_CORRUPTED_RETURN(mp,
+ ((char *)sfep + sizeof(*sfep)) < endp);
+
+ /* Don't allow names with known bad length. */
+ XFS_WANT_CORRUPTED_RETURN(mp, sfep->namelen > 0);
+ XFS_WANT_CORRUPTED_RETURN(mp, sfep->namelen < MAXNAMELEN);
+
+ /*
+ * Check that the variable-length part of the structure is
+ * within the data buffer. The next entry starts after the
+ * name component, so nextentry is an acceptable test.
+ */
+ next_sfep = dops->sf_nextentry(sfp, sfep);
+ XFS_WANT_CORRUPTED_RETURN(mp, endp >= (char *)next_sfep);
+
+ /* Check that the offsets always increase. */
+ XFS_WANT_CORRUPTED_RETURN(mp,
+ xfs_dir2_sf_get_offset(sfep) >= offset);
+
+ /* Check the inode number. */
+ ino = dops->sf_get_ino(sfp, sfep);
+ i8count += ino > XFS_DIR2_MAX_SHORT_INUM;
+ XFS_WANT_CORRUPTED_RETURN(mp, !xfs_dir_ino_validate(mp, ino));
+
+ /* Check the file type. */
+ filetype = dops->sf_get_ftype(sfep);
+ XFS_WANT_CORRUPTED_RETURN(mp, filetype < XFS_DIR3_FT_MAX);
+
+ offset = xfs_dir2_sf_get_offset(sfep) +
+ dops->data_entsize(sfep->namelen);
+
+ sfep = next_sfep;
+ }
+ XFS_WANT_CORRUPTED_RETURN(mp, i8count == sfp->i8count);
+ XFS_WANT_CORRUPTED_RETURN(mp, (void *)sfep == (void *)endp);
+
+ /* Make sure this whole thing ought to be in local format. */
+ XFS_WANT_CORRUPTED_RETURN(mp, offset +
+ (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) +
+ (uint)sizeof(xfs_dir2_block_tail_t) <= mp->m_dir_geo->blksize);
+
+ return 0;
+}
+
/*
* Create a new (shortform) directory.
*/
#include "xfs_trace.h"
#include "xfs_attr_sf.h"
#include "xfs_da_format.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_priv.h"
kmem_zone_t *xfs_ifork_zone;
int whichfork,
int size)
{
+ int error;
/*
* If the size is unreasonable, then something
return -EFSCORRUPTED;
}
+ if (S_ISDIR(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK) {
+ error = xfs_dir2_sf_verify(ip->i_mount,
+ (struct xfs_dir2_sf_hdr *)XFS_DFORK_DPTR(dip),
+ size);
+ if (error)
+ return error;
+ }
+
xfs_init_local_fork(ip, whichfork, XFS_DFORK_PTR(dip, whichfork), size);
return 0;
}
* In these cases, the format always takes precedence, because the
* format indicates the current state of the fork.
*/
-void
+int
xfs_iflush_fork(
xfs_inode_t *ip,
xfs_dinode_t *dip,
char *cp;
xfs_ifork_t *ifp;
xfs_mount_t *mp;
+ int error;
static const short brootflag[2] =
{ XFS_ILOG_DBROOT, XFS_ILOG_ABROOT };
static const short dataflag[2] =
{ XFS_ILOG_DEXT, XFS_ILOG_AEXT };
if (!iip)
- return;
+ return 0;
ifp = XFS_IFORK_PTR(ip, whichfork);
/*
* This can happen if we gave up in iformat in an error path,
*/
if (!ifp) {
ASSERT(whichfork == XFS_ATTR_FORK);
- return;
+ return 0;
}
cp = XFS_DFORK_PTR(dip, whichfork);
mp = ip->i_mount;
switch (XFS_IFORK_FORMAT(ip, whichfork)) {
case XFS_DINODE_FMT_LOCAL:
+ if (S_ISDIR(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK) {
+ error = xfs_dir2_sf_verify(mp,
+ (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data,
+ ifp->if_bytes);
+ if (error)
+ return error;
+ }
if ((iip->ili_fields & dataflag[whichfork]) &&
(ifp->if_bytes > 0)) {
ASSERT(ifp->if_u1.if_data != NULL);
ASSERT(0);
break;
}
+ return 0;
}
/*
struct xfs_ifork *xfs_iext_state_to_fork(struct xfs_inode *ip, int state);
int xfs_iformat_fork(struct xfs_inode *, struct xfs_dinode *);
-void xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *,
+int xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *,
struct xfs_inode_log_item *, int);
void xfs_idestroy_fork(struct xfs_inode *, int);
void xfs_idata_realloc(struct xfs_inode *, int, int);
struct xfs_da_geometry *geo = args->geo;
ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
- /*
- * Give up if the directory is way too short.
- */
- if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) {
- ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
- return -EIO;
- }
-
ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
ASSERT(dp->i_df.if_u1.if_data != NULL);
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
- if (dp->i_d.di_size < xfs_dir2_sf_hdr_size(sfp->i8count))
- return -EFSCORRUPTED;
-
/*
* If the block number in the offset is out of range, we're done.
*/
struct xfs_inode_log_item *iip = ip->i_itemp;
struct xfs_dinode *dip;
struct xfs_mount *mp = ip->i_mount;
+ int error;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
ASSERT(xfs_isiflocked(ip));
if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
ip->i_d.di_flushiter = 0;
- xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK);
- if (XFS_IFORK_Q(ip))
- xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK);
+ error = xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK);
+ if (error)
+ return error;
+ if (XFS_IFORK_Q(ip)) {
+ error = xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK);
+ if (error)
+ return error;
+ }
xfs_inobp_check(mp, bp);
/*
int af_alg_release(struct socket *sock);
void af_alg_release_parent(struct sock *sk);
-int af_alg_accept(struct sock *sk, struct socket *newsock);
+int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern);
int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len);
void af_alg_free_sg(struct af_alg_sgl *sgl);
}
/* Validate the processor object's proc_id */
-bool acpi_processor_validate_proc_id(int proc_id);
+bool acpi_duplicate_processor_id(int proc_id);
#ifdef CONFIG_ACPI_HOTPLUG_CPU
/* Arch dependent functions for cpu hotplug support */
int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
int *pcpu);
int acpi_unmap_cpu(int cpu);
-int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid);
#endif /* CONFIG_ACPI_HOTPLUG_CPU */
-void acpi_set_processor_mapping(void);
-
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
#endif
__u64 dreq_isr;
__u64 dreq_gsr;
__be32 dreq_service;
+ spinlock_t dreq_lock;
struct list_head dreq_featneg;
__u32 dreq_timestamp_echo;
__u32 dreq_timestamp_time;
extern void lock_device_hotplug(void);
extern void unlock_device_hotplug(void);
extern int lock_device_hotplug_sysfs(void);
-void assert_held_device_hotplug(void);
extern int device_offline(struct device *dev);
extern int device_online(struct device *dev);
extern void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
u16 pages; /* Number of allocated pages */
kmemcheck_bitfield_begin(meta);
u16 jited:1, /* Is our filter JIT'ed? */
+ locked:1, /* Program image locked? */
gpl_compatible:1, /* Is filter GPL compatible? */
cb_access:1, /* Is control block accessed? */
dst_needed:1, /* Do we need dst entry? */
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
static inline void bpf_prog_lock_ro(struct bpf_prog *fp)
{
- set_memory_ro((unsigned long)fp, fp->pages);
+ fp->locked = 1;
+ WARN_ON_ONCE(set_memory_ro((unsigned long)fp, fp->pages));
}
static inline void bpf_prog_unlock_ro(struct bpf_prog *fp)
{
- set_memory_rw((unsigned long)fp, fp->pages);
+ if (fp->locked) {
+ WARN_ON_ONCE(set_memory_rw((unsigned long)fp, fp->pages));
+ /* In case set_memory_rw() fails, we want to be the first
+ * to crash here instead of some random place later on.
+ */
+ fp->locked = 0;
+ }
}
static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
{
- set_memory_ro((unsigned long)hdr, hdr->pages);
+ WARN_ON_ONCE(set_memory_ro((unsigned long)hdr, hdr->pages));
}
static inline void bpf_jit_binary_unlock_ro(struct bpf_binary_header *hdr)
{
- set_memory_rw((unsigned long)hdr, hdr->pages);
+ WARN_ON_ONCE(set_memory_rw((unsigned long)hdr, hdr->pages));
}
#else
static inline void bpf_prog_lock_ro(struct bpf_prog *fp)
struct kmem_cache;
struct page;
struct vm_struct;
+struct task_struct;
#ifdef CONFIG_KASAN
((ptr)->first = (struct hlist_nulls_node *) NULLS_MARKER(nulls))
#define hlist_nulls_entry(ptr, type, member) container_of(ptr,type,member)
+
+#define hlist_nulls_entry_safe(ptr, type, member) \
+ ({ typeof(ptr) ____ptr = (ptr); \
+ !is_a_nulls(____ptr) ? hlist_nulls_entry(____ptr, type, member) : NULL; \
+ })
/**
* ptr_is_a_nulls - Test if a ptr is a nulls
* @ptr: ptr to be tested
int (*socketpair)(struct socket *sock1,
struct socket *sock2);
int (*accept) (struct socket *sock,
- struct socket *newsock, int flags);
+ struct socket *newsock, int flags, bool kern);
int (*getname) (struct socket *sock,
struct sockaddr *addr,
int *sockaddr_len, int peer);
int genphy_suspend(struct phy_device *phydev);
int genphy_resume(struct phy_device *phydev);
int genphy_soft_reset(struct phy_device *phydev);
+static inline int genphy_no_soft_reset(struct phy_device *phydev)
+{
+ return 0;
+}
void phy_driver_unregister(struct phy_driver *drv);
void phy_drivers_unregister(struct phy_driver *drv, int n);
int phy_driver_register(struct phy_driver *new_driver, struct module *owner);
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1; }); \
pos = rcu_dereference_raw(hlist_nulls_next_rcu(pos)))
+/**
+ * hlist_nulls_for_each_entry_safe -
+ * iterate over list of given type safe against removal of list entry
+ * @tpos: the type * to use as a loop cursor.
+ * @pos: the &struct hlist_nulls_node to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the hlist_nulls_node within the struct.
+ */
+#define hlist_nulls_for_each_entry_safe(tpos, pos, head, member) \
+ for (({barrier();}), \
+ pos = rcu_dereference_raw(hlist_nulls_first_rcu(head)); \
+ (!is_a_nulls(pos)) && \
+ ({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); \
+ pos = rcu_dereference_raw(hlist_nulls_next_rcu(pos)); 1; });)
#endif
#endif
int addr_len, int flags, int is_sendmsg);
int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr,
int addr_len, int flags);
-int inet_accept(struct socket *sock, struct socket *newsock, int flags);
+int inet_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern);
int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
size_t size, int flags);
return (unsigned long)min_t(u64, when, max_when);
}
-struct sock *inet_csk_accept(struct sock *sk, int flags, int *err);
+struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern);
int inet_csk_get_port(struct sock *sk, unsigned short snum);
int (*send_verify) (struct sctp_sock *, union sctp_addr *);
int (*supported_addrs)(const struct sctp_sock *, __be16 *);
struct sock *(*create_accept_sk) (struct sock *sk,
- struct sctp_association *asoc);
+ struct sctp_association *asoc,
+ bool kern);
int (*addr_to_user)(struct sctp_sock *sk, union sctp_addr *addr);
void (*to_sk_saddr)(union sctp_addr *, struct sock *sk);
void (*to_sk_daddr)(union sctp_addr *, struct sock *sk);
* @sk_shutdown: mask of %SEND_SHUTDOWN and/or %RCV_SHUTDOWN
* @sk_userlocks: %SO_SNDBUF and %SO_RCVBUF settings
* @sk_lock: synchronizer
+ * @sk_kern_sock: True if sock is using kernel lock classes
* @sk_rcvbuf: size of receive buffer in bytes
* @sk_wq: sock wait queue and async head
* @sk_rx_dst: receive input route used by early demux
#endif
kmemcheck_bitfield_begin(flags);
- unsigned int sk_padding : 2,
+ unsigned int sk_padding : 1,
+ sk_kern_sock : 1,
sk_no_check_tx : 1,
sk_no_check_rx : 1,
sk_userlocks : 4,
int addr_len);
int (*disconnect)(struct sock *sk, int flags);
- struct sock * (*accept)(struct sock *sk, int flags, int *err);
+ struct sock * (*accept)(struct sock *sk, int flags, int *err,
+ bool kern);
int (*ioctl)(struct sock *sk, int cmd,
unsigned long arg);
int sock_no_bind(struct socket *, struct sockaddr *, int);
int sock_no_connect(struct socket *, struct sockaddr *, int, int);
int sock_no_socketpair(struct socket *, struct socket *);
-int sock_no_accept(struct socket *, struct socket *, int);
+int sock_no_accept(struct socket *, struct socket *, int, bool);
int sock_no_getname(struct socket *, struct sockaddr *, int *, int);
unsigned int sock_no_poll(struct file *, struct socket *,
struct poll_table_struct *);
struct iscsi_task *task; /* xmit task in progress */
/* xmit */
+ spinlock_t taskqueuelock; /* protects the next three lists */
struct list_head mgmtqueue; /* mgmt (control) xmit queue */
struct list_head cmdqueue; /* data-path cmd queue */
struct list_head requeue; /* tasks needing another run */
sdev->sdev_state == SDEV_CREATED_BLOCK;
}
+int scsi_internal_device_block(struct scsi_device *sdev, bool wait);
+int scsi_internal_device_unblock(struct scsi_device *sdev,
+ enum scsi_device_state new_state);
+
/* accessor functions for the SCSI parameters */
static inline int scsi_device_sync(struct scsi_device *sdev)
{
#define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */
struct drm_omap_param {
- uint64_t param; /* in */
- uint64_t value; /* in (set_param), out (get_param) */
+ __u64 param; /* in */
+ __u64 value; /* in (set_param), out (get_param) */
};
#define OMAP_BO_SCANOUT 0x00000001 /* scanout capable (phys contiguous) */
#define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32)
union omap_gem_size {
- uint32_t bytes; /* (for non-tiled formats) */
+ __u32 bytes; /* (for non-tiled formats) */
struct {
- uint16_t width;
- uint16_t height;
+ __u16 width;
+ __u16 height;
} tiled; /* (for tiled formats) */
};
struct drm_omap_gem_new {
union omap_gem_size size; /* in */
- uint32_t flags; /* in */
- uint32_t handle; /* out */
- uint32_t __pad;
+ __u32 flags; /* in */
+ __u32 handle; /* out */
+ __u32 __pad;
};
/* mask of operations: */
};
struct drm_omap_gem_cpu_prep {
- uint32_t handle; /* buffer handle (in) */
- uint32_t op; /* mask of omap_gem_op (in) */
+ __u32 handle; /* buffer handle (in) */
+ __u32 op; /* mask of omap_gem_op (in) */
};
struct drm_omap_gem_cpu_fini {
- uint32_t handle; /* buffer handle (in) */
- uint32_t op; /* mask of omap_gem_op (in) */
+ __u32 handle; /* buffer handle (in) */
+ __u32 op; /* mask of omap_gem_op (in) */
/* TODO maybe here we pass down info about what regions are touched
* by sw so we can be clever about cache ops? For now a placeholder,
* set to zero and we just do full buffer flush..
*/
- uint32_t nregions;
- uint32_t __pad;
+ __u32 nregions;
+ __u32 __pad;
};
struct drm_omap_gem_info {
- uint32_t handle; /* buffer handle (in) */
- uint32_t pad;
- uint64_t offset; /* mmap offset (out) */
+ __u32 handle; /* buffer handle (in) */
+ __u32 pad;
+ __u64 offset; /* mmap offset (out) */
/* note: in case of tiled buffers, the user virtual size can be
* different from the physical size (ie. how many pages are needed
* to back the object) which is returned in DRM_IOCTL_GEM_OPEN..
* This size here is the one that should be used if you want to
* mmap() the buffer:
*/
- uint32_t size; /* virtual size for mmap'ing (out) */
- uint32_t __pad;
+ __u32 size; /* virtual size for mmap'ing (out) */
+ __u32 __pad;
};
#define DRM_OMAP_GET_PARAM 0x00
__u32 pdmc_count;
__u16 pdmc_type;
__u16 pdmc_alen;
- __u8 pdmc_addr[MAX_ADDR_LEN];
+ __u8 pdmc_addr[32]; /* MAX_ADDR_LEN */
};
struct packet_diag_ring {
#include <linux/bpf.h>
#include <linux/jhash.h>
#include <linux/filter.h>
+#include <linux/rculist_nulls.h>
#include "percpu_freelist.h"
#include "bpf_lru_list.h"
struct bucket {
- struct hlist_head head;
+ struct hlist_nulls_head head;
raw_spinlock_t lock;
};
/* each htab element is struct htab_elem + key + value */
struct htab_elem {
union {
- struct hlist_node hash_node;
- struct bpf_htab *htab;
- struct pcpu_freelist_node fnode;
+ struct hlist_nulls_node hash_node;
+ struct {
+ void *padding;
+ union {
+ struct bpf_htab *htab;
+ struct pcpu_freelist_node fnode;
+ };
+ };
};
union {
struct rcu_head rcu;
offsetof(struct htab_elem, lru_node),
htab->elem_size, htab->map.max_entries);
else
- pcpu_freelist_populate(&htab->freelist, htab->elems,
+ pcpu_freelist_populate(&htab->freelist,
+ htab->elems + offsetof(struct htab_elem, fnode),
htab->elem_size, htab->map.max_entries);
return 0;
int err, i;
u64 cost;
+ BUILD_BUG_ON(offsetof(struct htab_elem, htab) !=
+ offsetof(struct htab_elem, hash_node.pprev));
+ BUILD_BUG_ON(offsetof(struct htab_elem, fnode.next) !=
+ offsetof(struct htab_elem, hash_node.pprev));
+
if (lru && !capable(CAP_SYS_ADMIN))
/* LRU implementation is much complicated than other
* maps. Hence, limit to CAP_SYS_ADMIN for now.
goto free_htab;
for (i = 0; i < htab->n_buckets; i++) {
- INIT_HLIST_HEAD(&htab->buckets[i].head);
+ INIT_HLIST_NULLS_HEAD(&htab->buckets[i].head, i);
raw_spin_lock_init(&htab->buckets[i].lock);
}
return &htab->buckets[hash & (htab->n_buckets - 1)];
}
-static inline struct hlist_head *select_bucket(struct bpf_htab *htab, u32 hash)
+static inline struct hlist_nulls_head *select_bucket(struct bpf_htab *htab, u32 hash)
{
return &__select_bucket(htab, hash)->head;
}
-static struct htab_elem *lookup_elem_raw(struct hlist_head *head, u32 hash,
+/* this lookup function can only be called with bucket lock taken */
+static struct htab_elem *lookup_elem_raw(struct hlist_nulls_head *head, u32 hash,
void *key, u32 key_size)
{
+ struct hlist_nulls_node *n;
+ struct htab_elem *l;
+
+ hlist_nulls_for_each_entry_rcu(l, n, head, hash_node)
+ if (l->hash == hash && !memcmp(&l->key, key, key_size))
+ return l;
+
+ return NULL;
+}
+
+/* can be called without bucket lock. it will repeat the loop in
+ * the unlikely event when elements moved from one bucket into another
+ * while link list is being walked
+ */
+static struct htab_elem *lookup_nulls_elem_raw(struct hlist_nulls_head *head,
+ u32 hash, void *key,
+ u32 key_size, u32 n_buckets)
+{
+ struct hlist_nulls_node *n;
struct htab_elem *l;
- hlist_for_each_entry_rcu(l, head, hash_node)
+again:
+ hlist_nulls_for_each_entry_rcu(l, n, head, hash_node)
if (l->hash == hash && !memcmp(&l->key, key, key_size))
return l;
+ if (unlikely(get_nulls_value(n) != (hash & (n_buckets - 1))))
+ goto again;
+
return NULL;
}
static void *__htab_map_lookup_elem(struct bpf_map *map, void *key)
{
struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
- struct hlist_head *head;
+ struct hlist_nulls_head *head;
struct htab_elem *l;
u32 hash, key_size;
head = select_bucket(htab, hash);
- l = lookup_elem_raw(head, hash, key, key_size);
+ l = lookup_nulls_elem_raw(head, hash, key, key_size, htab->n_buckets);
return l;
}
static bool htab_lru_map_delete_node(void *arg, struct bpf_lru_node *node)
{
struct bpf_htab *htab = (struct bpf_htab *)arg;
- struct htab_elem *l, *tgt_l;
- struct hlist_head *head;
+ struct htab_elem *l = NULL, *tgt_l;
+ struct hlist_nulls_head *head;
+ struct hlist_nulls_node *n;
unsigned long flags;
struct bucket *b;
raw_spin_lock_irqsave(&b->lock, flags);
- hlist_for_each_entry_rcu(l, head, hash_node)
+ hlist_nulls_for_each_entry_rcu(l, n, head, hash_node)
if (l == tgt_l) {
- hlist_del_rcu(&l->hash_node);
+ hlist_nulls_del_rcu(&l->hash_node);
break;
}
static int htab_map_get_next_key(struct bpf_map *map, void *key, void *next_key)
{
struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
- struct hlist_head *head;
+ struct hlist_nulls_head *head;
struct htab_elem *l, *next_l;
u32 hash, key_size;
int i;
head = select_bucket(htab, hash);
/* lookup the key */
- l = lookup_elem_raw(head, hash, key, key_size);
+ l = lookup_nulls_elem_raw(head, hash, key, key_size, htab->n_buckets);
if (!l) {
i = 0;
}
/* key was found, get next key in the same bucket */
- next_l = hlist_entry_safe(rcu_dereference_raw(hlist_next_rcu(&l->hash_node)),
+ next_l = hlist_nulls_entry_safe(rcu_dereference_raw(hlist_nulls_next_rcu(&l->hash_node)),
struct htab_elem, hash_node);
if (next_l) {
head = select_bucket(htab, i);
/* pick first element in the bucket */
- next_l = hlist_entry_safe(rcu_dereference_raw(hlist_first_rcu(head)),
+ next_l = hlist_nulls_entry_safe(rcu_dereference_raw(hlist_nulls_first_rcu(head)),
struct htab_elem, hash_node);
if (next_l) {
/* if it's not empty, just return it */
int err = 0;
if (prealloc) {
- l_new = (struct htab_elem *)pcpu_freelist_pop(&htab->freelist);
- if (!l_new)
+ struct pcpu_freelist_node *l;
+
+ l = pcpu_freelist_pop(&htab->freelist);
+ if (!l)
err = -E2BIG;
+ else
+ l_new = container_of(l, struct htab_elem, fnode);
} else {
if (atomic_inc_return(&htab->count) > htab->map.max_entries) {
atomic_dec(&htab->count);
{
struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
struct htab_elem *l_new = NULL, *l_old;
- struct hlist_head *head;
+ struct hlist_nulls_head *head;
unsigned long flags;
struct bucket *b;
u32 key_size, hash;
/* add new element to the head of the list, so that
* concurrent search will find it before old elem
*/
- hlist_add_head_rcu(&l_new->hash_node, head);
+ hlist_nulls_add_head_rcu(&l_new->hash_node, head);
if (l_old) {
- hlist_del_rcu(&l_old->hash_node);
+ hlist_nulls_del_rcu(&l_old->hash_node);
free_htab_elem(htab, l_old);
}
ret = 0;
{
struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
struct htab_elem *l_new, *l_old = NULL;
- struct hlist_head *head;
+ struct hlist_nulls_head *head;
unsigned long flags;
struct bucket *b;
u32 key_size, hash;
/* add new element to the head of the list, so that
* concurrent search will find it before old elem
*/
- hlist_add_head_rcu(&l_new->hash_node, head);
+ hlist_nulls_add_head_rcu(&l_new->hash_node, head);
if (l_old) {
bpf_lru_node_set_ref(&l_new->lru_node);
- hlist_del_rcu(&l_old->hash_node);
+ hlist_nulls_del_rcu(&l_old->hash_node);
}
ret = 0;
{
struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
struct htab_elem *l_new = NULL, *l_old;
- struct hlist_head *head;
+ struct hlist_nulls_head *head;
unsigned long flags;
struct bucket *b;
u32 key_size, hash;
ret = PTR_ERR(l_new);
goto err;
}
- hlist_add_head_rcu(&l_new->hash_node, head);
+ hlist_nulls_add_head_rcu(&l_new->hash_node, head);
}
ret = 0;
err:
{
struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
struct htab_elem *l_new = NULL, *l_old;
- struct hlist_head *head;
+ struct hlist_nulls_head *head;
unsigned long flags;
struct bucket *b;
u32 key_size, hash;
} else {
pcpu_copy_value(htab, htab_elem_get_ptr(l_new, key_size),
value, onallcpus);
- hlist_add_head_rcu(&l_new->hash_node, head);
+ hlist_nulls_add_head_rcu(&l_new->hash_node, head);
l_new = NULL;
}
ret = 0;
static int htab_map_delete_elem(struct bpf_map *map, void *key)
{
struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
- struct hlist_head *head;
+ struct hlist_nulls_head *head;
struct bucket *b;
struct htab_elem *l;
unsigned long flags;
l = lookup_elem_raw(head, hash, key, key_size);
if (l) {
- hlist_del_rcu(&l->hash_node);
+ hlist_nulls_del_rcu(&l->hash_node);
free_htab_elem(htab, l);
ret = 0;
}
static int htab_lru_map_delete_elem(struct bpf_map *map, void *key)
{
struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
- struct hlist_head *head;
+ struct hlist_nulls_head *head;
struct bucket *b;
struct htab_elem *l;
unsigned long flags;
l = lookup_elem_raw(head, hash, key, key_size);
if (l) {
- hlist_del_rcu(&l->hash_node);
+ hlist_nulls_del_rcu(&l->hash_node);
ret = 0;
}
int i;
for (i = 0; i < htab->n_buckets; i++) {
- struct hlist_head *head = select_bucket(htab, i);
- struct hlist_node *n;
+ struct hlist_nulls_head *head = select_bucket(htab, i);
+ struct hlist_nulls_node *n;
struct htab_elem *l;
- hlist_for_each_entry_safe(l, n, head, hash_node) {
- hlist_del_rcu(&l->hash_node);
+ hlist_nulls_for_each_entry_safe(l, n, head, hash_node) {
+ hlist_nulls_del_rcu(&l->hash_node);
if (l->state != HTAB_EXTRA_ELEM_USED)
htab_elem_free(htab, l);
}
raw_spin_unlock(&trie->lock);
}
+static int trie_get_next_key(struct bpf_map *map, void *key, void *next_key)
+{
+ return -ENOTSUPP;
+}
+
static const struct bpf_map_ops trie_ops = {
.map_alloc = trie_alloc,
.map_free = trie_free,
+ .map_get_next_key = trie_get_next_key,
.map_lookup_elem = trie_lookup_elem,
.map_update_elem = trie_update_elem,
.map_delete_elem = trie_delete_elem,
struct task_struct *task;
int count = 0;
- seq_printf(seq, "css_set %p\n", cset);
+ seq_printf(seq, "css_set %pK\n", cset);
list_for_each_entry(task, &cset->tasks, cg_list) {
if (count++ > MAX_TASKS_SHOWN_PER_CSS)
/* Only log the first time events_limit is incremented. */
if (atomic64_inc_return(&pids->events_limit) == 1) {
pr_info("cgroup: fork rejected by pids controller in ");
- pr_cont_cgroup_path(task_cgroup(current, pids_cgrp_id));
+ pr_cont_cgroup_path(css->cgroup);
pr_cont("\n");
}
cgroup_file_notify(&pids->events_file);
raw_spin_lock_irq(&ctx->lock);
/*
- * Mark this even as STATE_DEAD, there is no external reference to it
+ * Mark this event as STATE_DEAD, there is no external reference to it
* anymore.
*
* Anybody acquiring event->child_mutex after the below loop _must_
continue;
mutex_lock(&ctx->mutex);
-again:
- list_for_each_entry_safe(event, tmp, &ctx->pinned_groups,
- group_entry)
- perf_free_event(event, ctx);
+ raw_spin_lock_irq(&ctx->lock);
+ /*
+ * Destroy the task <-> ctx relation and mark the context dead.
+ *
+ * This is important because even though the task hasn't been
+ * exposed yet the context has been (through child_list).
+ */
+ RCU_INIT_POINTER(task->perf_event_ctxp[ctxn], NULL);
+ WRITE_ONCE(ctx->task, TASK_TOMBSTONE);
+ put_task_struct(task); /* cannot be last */
+ raw_spin_unlock_irq(&ctx->lock);
- list_for_each_entry_safe(event, tmp, &ctx->flexible_groups,
- group_entry)
+ list_for_each_entry_safe(event, tmp, &ctx->event_list, event_entry)
perf_free_event(event, ctx);
- if (!list_empty(&ctx->pinned_groups) ||
- !list_empty(&ctx->flexible_groups))
- goto again;
-
mutex_unlock(&ctx->mutex);
-
put_ctx(ctx);
}
}
}
/*
- * inherit a event from parent task to child task:
+ * Inherit a event from parent task to child task.
+ *
+ * Returns:
+ * - valid pointer on success
+ * - NULL for orphaned events
+ * - IS_ERR() on error
*/
static struct perf_event *
inherit_event(struct perf_event *parent_event,
return child_event;
}
+/*
+ * Inherits an event group.
+ *
+ * This will quietly suppress orphaned events; !inherit_event() is not an error.
+ * This matches with perf_event_release_kernel() removing all child events.
+ *
+ * Returns:
+ * - 0 on success
+ * - <0 on error
+ */
static int inherit_group(struct perf_event *parent_event,
struct task_struct *parent,
struct perf_event_context *parent_ctx,
child, NULL, child_ctx);
if (IS_ERR(leader))
return PTR_ERR(leader);
+ /*
+ * @leader can be NULL here because of is_orphaned_event(). In this
+ * case inherit_event() will create individual events, similar to what
+ * perf_group_detach() would do anyway.
+ */
list_for_each_entry(sub, &parent_event->sibling_list, group_entry) {
child_ctr = inherit_event(sub, parent, parent_ctx,
child, leader, child_ctx);
return 0;
}
+/*
+ * Creates the child task context and tries to inherit the event-group.
+ *
+ * Clears @inherited_all on !attr.inherited or error. Note that we'll leave
+ * inherited_all set when we 'fail' to inherit an orphaned event; this is
+ * consistent with perf_event_release_kernel() removing all child events.
+ *
+ * Returns:
+ * - 0 on success
+ * - <0 on error
+ */
static int
inherit_task_group(struct perf_event *event, struct task_struct *parent,
struct perf_event_context *parent_ctx,
* First allocate and initialize a context for the
* child.
*/
-
child_ctx = alloc_perf_context(parent_ctx->pmu, child);
if (!child_ctx)
return -ENOMEM;
ret = inherit_task_group(event, parent, parent_ctx,
child, ctxn, &inherited_all);
if (ret)
- break;
+ goto out_unlock;
}
/*
ret = inherit_task_group(event, parent, parent_ctx,
child, ctxn, &inherited_all);
if (ret)
- break;
+ goto out_unlock;
}
raw_spin_lock_irqsave(&parent_ctx->lock, flags);
}
raw_spin_unlock_irqrestore(&parent_ctx->lock, flags);
+out_unlock:
mutex_unlock(&parent_ctx->mutex);
perf_unpin_context(parent_ctx);
{
struct hrtimer_sleeper timeout, *to = NULL;
struct rt_mutex_waiter rt_waiter;
- struct rt_mutex *pi_mutex = NULL;
struct futex_hash_bucket *hb;
union futex_key key2 = FUTEX_KEY_INIT;
struct futex_q q = futex_q_init;
if (q.pi_state && (q.pi_state->owner != current)) {
spin_lock(q.lock_ptr);
ret = fixup_pi_state_owner(uaddr2, &q, current);
+ if (ret && rt_mutex_owner(&q.pi_state->pi_mutex) == current)
+ rt_mutex_unlock(&q.pi_state->pi_mutex);
/*
* Drop the reference to the pi state which
* the requeue_pi() code acquired for us.
spin_unlock(q.lock_ptr);
}
} else {
+ struct rt_mutex *pi_mutex;
+
/*
* We have been woken up by futex_unlock_pi(), a timeout, or a
* signal. futex_unlock_pi() will not destroy the lock_ptr nor
if (res)
ret = (res < 0) ? res : 0;
+ /*
+ * If fixup_pi_state_owner() faulted and was unable to handle
+ * the fault, unlock the rt_mutex and return the fault to
+ * userspace.
+ */
+ if (ret && rt_mutex_owner(pi_mutex) == current)
+ rt_mutex_unlock(pi_mutex);
+
/* Unqueue and drop the lock. */
unqueue_me_pi(&q);
}
- /*
- * If fixup_pi_state_owner() faulted and was unable to handle the
- * fault, unlock the rt_mutex and return the fault to userspace.
- */
- if (ret == -EFAULT) {
- if (pi_mutex && rt_mutex_owner(pi_mutex) == current)
- rt_mutex_unlock(pi_mutex);
- } else if (ret == -EINTR) {
+ if (ret == -EINTR) {
/*
* We've already been requeued, but cannot restart by calling
* futex_lock_pi() directly. We could restart this syscall, but
*/
if (sem->count == 0)
break;
- if (signal_pending_state(state, current)) {
- ret = -EINTR;
- goto out;
- }
+ if (signal_pending_state(state, current))
+ goto out_nolock;
+
set_current_state(state);
raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
schedule();
}
/* got the lock */
sem->count = -1;
-out:
list_del(&waiter.list);
raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
return ret;
+
+out_nolock:
+ list_del(&waiter.list);
+ if (!list_empty(&sem->wait_list))
+ __rwsem_do_wake(sem, 1);
+ raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
+
+ return -EINTR;
}
void __sched __down_write(struct rw_semaphore *sem)
align_start = res->start & ~(SECTION_SIZE - 1);
align_size = ALIGN(resource_size(res), SECTION_SIZE);
- lock_device_hotplug();
mem_hotplug_begin();
arch_remove_memory(align_start, align_size);
mem_hotplug_done();
- unlock_device_hotplug();
untrack_pfn(NULL, PHYS_PFN(align_start), align_size);
pgmap_radix_release(res);
if (error)
goto err_pfn_remap;
- lock_device_hotplug();
mem_hotplug_begin();
error = arch_add_memory(nid, align_start, align_size, true);
mem_hotplug_done();
- unlock_device_hotplug();
if (error)
goto err_add_memory;
*
* This function returns true if:
*
- * runtime / (deadline - t) > dl_runtime / dl_period ,
+ * runtime / (deadline - t) > dl_runtime / dl_deadline ,
*
* IOW we can't recycle current parameters.
*
- * Notice that the bandwidth check is done against the period. For
+ * Notice that the bandwidth check is done against the deadline. For
* task with deadline equal to period this is the same of using
- * dl_deadline instead of dl_period in the equation above.
+ * dl_period instead of dl_deadline in the equation above.
*/
static bool dl_entity_overflow(struct sched_dl_entity *dl_se,
struct sched_dl_entity *pi_se, u64 t)
* of anything below microseconds resolution is actually fiction
* (but still we want to give the user that illusion >;).
*/
- left = (pi_se->dl_period >> DL_SCALE) * (dl_se->runtime >> DL_SCALE);
+ left = (pi_se->dl_deadline >> DL_SCALE) * (dl_se->runtime >> DL_SCALE);
right = ((dl_se->deadline - t) >> DL_SCALE) *
(pi_se->dl_runtime >> DL_SCALE);
}
}
+static inline u64 dl_next_period(struct sched_dl_entity *dl_se)
+{
+ return dl_se->deadline - dl_se->dl_deadline + dl_se->dl_period;
+}
+
/*
* If the entity depleted all its runtime, and if we want it to sleep
* while waiting for some new execution time to become available, we
- * set the bandwidth enforcement timer to the replenishment instant
+ * set the bandwidth replenishment timer to the replenishment instant
* and try to activate it.
*
* Notice that it is important for the caller to know if the timer
* that it is actually coming from rq->clock and not from
* hrtimer's time base reading.
*/
- act = ns_to_ktime(dl_se->deadline);
+ act = ns_to_ktime(dl_next_period(dl_se));
now = hrtimer_cb_get_time(timer);
delta = ktime_to_ns(now) - rq_clock(rq);
act = ktime_add_ns(act, delta);
lockdep_unpin_lock(&rq->lock, rf.cookie);
rq = dl_task_offline_migration(rq, p);
rf.cookie = lockdep_pin_lock(&rq->lock);
+ update_rq_clock(rq);
/*
* Now that the task has been migrated to the new RQ and we
timer->function = dl_task_timer;
}
+/*
+ * During the activation, CBS checks if it can reuse the current task's
+ * runtime and period. If the deadline of the task is in the past, CBS
+ * cannot use the runtime, and so it replenishes the task. This rule
+ * works fine for implicit deadline tasks (deadline == period), and the
+ * CBS was designed for implicit deadline tasks. However, a task with
+ * constrained deadline (deadine < period) might be awakened after the
+ * deadline, but before the next period. In this case, replenishing the
+ * task would allow it to run for runtime / deadline. As in this case
+ * deadline < period, CBS enables a task to run for more than the
+ * runtime / period. In a very loaded system, this can cause a domino
+ * effect, making other tasks miss their deadlines.
+ *
+ * To avoid this problem, in the activation of a constrained deadline
+ * task after the deadline but before the next period, throttle the
+ * task and set the replenishing timer to the begin of the next period,
+ * unless it is boosted.
+ */
+static inline void dl_check_constrained_dl(struct sched_dl_entity *dl_se)
+{
+ struct task_struct *p = dl_task_of(dl_se);
+ struct rq *rq = rq_of_dl_rq(dl_rq_of_se(dl_se));
+
+ if (dl_time_before(dl_se->deadline, rq_clock(rq)) &&
+ dl_time_before(rq_clock(rq), dl_next_period(dl_se))) {
+ if (unlikely(dl_se->dl_boosted || !start_dl_timer(p)))
+ return;
+ dl_se->dl_throttled = 1;
+ }
+}
+
static
int dl_runtime_exceeded(struct sched_dl_entity *dl_se)
{
__dequeue_dl_entity(dl_se);
}
+static inline bool dl_is_constrained(struct sched_dl_entity *dl_se)
+{
+ return dl_se->dl_deadline < dl_se->dl_period;
+}
+
static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags)
{
struct task_struct *pi_task = rt_mutex_get_top_task(p);
return;
}
+ /*
+ * Check if a constrained deadline task was activated
+ * after the deadline but before the next period.
+ * If that is the case, the task will be throttled and
+ * the replenishment timer will be set to the next period.
+ */
+ if (!p->dl.dl_throttled && dl_is_constrained(&p->dl))
+ dl_check_constrained_dl(&p->dl);
+
/*
* If p is throttled, we do nothing. In fact, if it exhausted
* its budget it needs a replenishment and, since it now is on
* If the folding window started, make sure we start writing in the
* next idle-delta.
*/
- if (!time_before(jiffies, calc_load_update))
+ if (!time_before(jiffies, READ_ONCE(calc_load_update)))
idx++;
return idx & 1;
struct rq *this_rq = this_rq();
/*
- * If we're still before the sample window, we're done.
+ * If we're still before the pending sample window, we're done.
*/
+ this_rq->calc_load_update = READ_ONCE(calc_load_update);
if (time_before(jiffies, this_rq->calc_load_update))
return;
* accounted through the nohz accounting, so skip the entire deal and
* sync up for the next window.
*/
- this_rq->calc_load_update = calc_load_update;
if (time_before(jiffies, this_rq->calc_load_update + 10))
this_rq->calc_load_update += LOAD_FREQ;
}
*/
static void calc_global_nohz(void)
{
+ unsigned long sample_window;
long delta, active, n;
- if (!time_before(jiffies, calc_load_update + 10)) {
+ sample_window = READ_ONCE(calc_load_update);
+ if (!time_before(jiffies, sample_window + 10)) {
/*
* Catch-up, fold however many we are behind still
*/
- delta = jiffies - calc_load_update - 10;
+ delta = jiffies - sample_window - 10;
n = 1 + (delta / LOAD_FREQ);
active = atomic_long_read(&calc_load_tasks);
avenrun[1] = calc_load_n(avenrun[1], EXP_5, active, n);
avenrun[2] = calc_load_n(avenrun[2], EXP_15, active, n);
- calc_load_update += n * LOAD_FREQ;
+ WRITE_ONCE(calc_load_update, sample_window + n * LOAD_FREQ);
}
/*
*/
void calc_global_load(unsigned long ticks)
{
+ unsigned long sample_window;
long active, delta;
- if (time_before(jiffies, calc_load_update + 10))
+ sample_window = READ_ONCE(calc_load_update);
+ if (time_before(jiffies, sample_window + 10))
return;
/*
avenrun[1] = calc_load(avenrun[1], EXP_5, active);
avenrun[2] = calc_load(avenrun[2], EXP_15, active);
- calc_load_update += LOAD_FREQ;
+ WRITE_ONCE(calc_load_update, sample_window + LOAD_FREQ);
/*
* In case we idled for multiple LOAD_FREQ intervals, catch up in bulk.
struct timer_list *timer = &dwork->timer;
struct work_struct *work = &dwork->work;
+ WARN_ON_ONCE(!wq);
WARN_ON_ONCE(timer->function != delayed_work_timer_fn ||
timer->data != (unsigned long)dwork);
WARN_ON_ONCE(timer_pending(timer));
if (!gup_huge_pd(__hugepd(p4d_val(p4d)), addr,
P4D_SHIFT, next, write, pages, nr))
return 0;
- } else if (!gup_p4d_range(p4d, addr, next, write, pages, nr))
+ } else if (!gup_pud_range(p4d, addr, next, write, pages, nr))
return 0;
} while (p4dp++, addr = next, addr != end);
}
+/* Serializes write accesses to mem_hotplug.active_writer. */
+static DEFINE_MUTEX(memory_add_remove_lock);
+
void mem_hotplug_begin(void)
{
- assert_held_device_hotplug();
+ mutex_lock(&memory_add_remove_lock);
mem_hotplug.active_writer = current;
mem_hotplug.active_writer = NULL;
mutex_unlock(&mem_hotplug.lock);
memhp_lock_release();
+ mutex_unlock(&memory_add_remove_lock);
}
/* add this memory to iomem resource */
/**
* pcpu_get_pages - get temp pages array
- * @chunk: chunk of interest
*
* Returns pointer to array of pointers to struct page which can be indexed
* with pcpu_page_idx(). Note that there is only one array and accesses
* RETURNS:
* Pointer to temp pages array on success.
*/
-static struct page **pcpu_get_pages(struct pcpu_chunk *chunk_alloc)
+static struct page **pcpu_get_pages(void)
{
static struct page **pages;
size_t pages_size = pcpu_nr_units * pcpu_unit_pages * sizeof(pages[0]);
{
struct page **pages;
- pages = pcpu_get_pages(chunk);
+ pages = pcpu_get_pages();
if (!pages)
return -ENOMEM;
* successful population attempt so the temp pages array must
* be available now.
*/
- pages = pcpu_get_pages(chunk);
+ pages = pcpu_get_pages();
BUG_ON(!pages);
/* unmap and free */
mutex_unlock(&pcpu_alloc_mutex);
}
- if (chunk != pcpu_reserved_chunk)
+ if (chunk != pcpu_reserved_chunk) {
+ spin_lock_irqsave(&pcpu_lock, flags);
pcpu_nr_empty_pop_pages -= occ_pages;
+ spin_unlock_irqrestore(&pcpu_lock, flags);
+ }
if (pcpu_nr_empty_pop_pages < PCPU_EMPTY_POP_PAGES_LOW)
pcpu_schedule_balance_work();
if (fatal_signal_pending(current)) {
area->nr_pages = i;
- goto fail;
+ goto fail_no_warn;
}
if (node == NUMA_NO_NODE)
warn_alloc(gfp_mask, NULL,
"vmalloc: allocation failure, allocated %ld of %ld bytes",
(area->nr_pages*PAGE_SIZE), area->size);
+fail_no_warn:
vfree(area->addr);
return NULL;
}
z3fold_page_unlock(zhdr);
spin_lock(&pool->lock);
if (kref_put(&zhdr->refcount, release_z3fold_page)) {
+ spin_unlock(&pool->lock);
atomic64_dec(&pool->pages_nr);
return 0;
}
return error;
}
-static int svc_accept(struct socket *sock, struct socket *newsock, int flags)
+static int svc_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *sk = sock->sk;
struct sk_buff *skb;
lock_sock(sk);
- error = svc_create(sock_net(sk), newsock, 0, 0);
+ error = svc_create(sock_net(sk), newsock, 0, kern);
if (error)
goto out;
return err;
}
-static int ax25_accept(struct socket *sock, struct socket *newsock, int flags)
+static int ax25_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sk_buff *skb;
struct sock *newsk;
}
static int l2cap_sock_accept(struct socket *sock, struct socket *newsock,
- int flags)
+ int flags, bool kern)
{
DEFINE_WAIT_FUNC(wait, woken_wake_function);
struct sock *sk = sock->sk, *nsk;
return err;
}
-static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags)
+static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
DEFINE_WAIT_FUNC(wait, woken_wake_function);
struct sock *sk = sock->sk, *nsk;
}
static int sco_sock_accept(struct socket *sock, struct socket *newsock,
- int flags)
+ int flags, bool kern)
{
DEFINE_WAIT_FUNC(wait, woken_wake_function);
struct sock *sk = sock->sk, *ch;
static int
br_netif_receive_skb(struct net *net, struct sock *sk, struct sk_buff *skb)
{
+ br_drop_fake_rtable(skb);
return netif_receive_skb(skb);
}
}
-/* PF_BRIDGE/LOCAL_IN ************************************************/
-/* The packet is locally destined, which requires a real
- * dst_entry, so detach the fake one. On the way up, the
- * packet would pass through PRE_ROUTING again (which already
- * took place when the packet entered the bridge), but we
- * register an IPv4 PRE_ROUTING 'sabotage' hook that will
- * prevent this from happening. */
-static unsigned int br_nf_local_in(void *priv,
- struct sk_buff *skb,
- const struct nf_hook_state *state)
-{
- br_drop_fake_rtable(skb);
- return NF_ACCEPT;
-}
-
/* PF_BRIDGE/FORWARD *************************************************/
static int br_nf_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
{
.hooknum = NF_BR_PRE_ROUTING,
.priority = NF_BR_PRI_BRNF,
},
- {
- .hook = br_nf_local_in,
- .pf = NFPROTO_BRIDGE,
- .hooknum = NF_BR_LOCAL_IN,
- .priority = NF_BR_PRI_BRNF,
- },
{
.hook = br_nf_forward_ip,
.pf = NFPROTO_BRIDGE,
{
rtnl_lock();
call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev);
+ call_netdevice_notifiers(NETDEV_RESEND_IGMP, dev);
rtnl_unlock();
}
EXPORT_SYMBOL(netdev_notify_peers);
while (--i >= new_num) {
struct kobject *kobj = &dev->_rx[i].kobj;
- if (!list_empty(&dev_net(dev)->exit_list))
+ if (!atomic_read(&dev_net(dev)->count))
kobj->uevent_suppress = 1;
if (dev->sysfs_rx_queue_group)
sysfs_remove_group(kobj, dev->sysfs_rx_queue_group);
while (--i >= new_num) {
struct netdev_queue *queue = dev->_tx + i;
- if (!list_empty(&dev_net(dev)->exit_list))
+ if (!atomic_read(&dev_net(dev)->count))
queue->kobj.uevent_suppress = 1;
#ifdef CONFIG_BQL
sysfs_remove_group(&queue->kobj, &dql_group);
{
struct device *dev = &(ndev->dev);
- if (!list_empty(&dev_net(ndev)->exit_list))
+ if (!atomic_read(&dev_net(ndev)->count))
dev_set_uevent_suppress(dev, 1);
kobject_get(&dev->kobj);
if (!skb_may_tx_timestamp(sk, false))
return;
- /* take a reference to prevent skb_orphan() from freeing the socket */
- sock_hold(sk);
-
- *skb_hwtstamps(skb) = *hwtstamps;
- __skb_complete_tx_timestamp(skb, sk, SCM_TSTAMP_SND);
-
- sock_put(sk);
+ /* Take a reference to prevent skb_orphan() from freeing the socket,
+ * but only if the socket refcount is not zero.
+ */
+ if (likely(atomic_inc_not_zero(&sk->sk_refcnt))) {
+ *skb_hwtstamps(skb) = *hwtstamps;
+ __skb_complete_tx_timestamp(skb, sk, SCM_TSTAMP_SND);
+ sock_put(sk);
+ }
}
EXPORT_SYMBOL_GPL(skb_complete_tx_timestamp);
{
struct sock *sk = skb->sk;
struct sock_exterr_skb *serr;
- int err;
+ int err = 1;
skb->wifi_acked_valid = 1;
skb->wifi_acked = acked;
serr->ee.ee_errno = ENOMSG;
serr->ee.ee_origin = SO_EE_ORIGIN_TXSTATUS;
- /* take a reference to prevent skb_orphan() from freeing the socket */
- sock_hold(sk);
-
- err = sock_queue_err_skb(sk, skb);
+ /* Take a reference to prevent skb_orphan() from freeing the socket,
+ * but only if the socket refcount is not zero.
+ */
+ if (likely(atomic_inc_not_zero(&sk->sk_refcnt))) {
+ err = sock_queue_err_skb(sk, skb);
+ sock_put(sk);
+ }
if (err)
kfree_skb(skb);
-
- sock_put(sk);
}
EXPORT_SYMBOL_GPL(skb_complete_wifi_ack);
/*
* Each address family might have different locking rules, so we have
- * one slock key per address family:
+ * one slock key per address family and separate keys for internal and
+ * userspace sockets.
*/
static struct lock_class_key af_family_keys[AF_MAX];
+static struct lock_class_key af_family_kern_keys[AF_MAX];
static struct lock_class_key af_family_slock_keys[AF_MAX];
+static struct lock_class_key af_family_kern_slock_keys[AF_MAX];
/*
* Make lock validator output more readable. (we pre-construct these
* strings build-time, so that runtime initialization of socket
* locks is fast):
*/
+
+#define _sock_locks(x) \
+ x "AF_UNSPEC", x "AF_UNIX" , x "AF_INET" , \
+ x "AF_AX25" , x "AF_IPX" , x "AF_APPLETALK", \
+ x "AF_NETROM", x "AF_BRIDGE" , x "AF_ATMPVC" , \
+ x "AF_X25" , x "AF_INET6" , x "AF_ROSE" , \
+ x "AF_DECnet", x "AF_NETBEUI" , x "AF_SECURITY" , \
+ x "AF_KEY" , x "AF_NETLINK" , x "AF_PACKET" , \
+ x "AF_ASH" , x "AF_ECONET" , x "AF_ATMSVC" , \
+ x "AF_RDS" , x "AF_SNA" , x "AF_IRDA" , \
+ x "AF_PPPOX" , x "AF_WANPIPE" , x "AF_LLC" , \
+ x "27" , x "28" , x "AF_CAN" , \
+ x "AF_TIPC" , x "AF_BLUETOOTH", x "IUCV" , \
+ x "AF_RXRPC" , x "AF_ISDN" , x "AF_PHONET" , \
+ x "AF_IEEE802154", x "AF_CAIF" , x "AF_ALG" , \
+ x "AF_NFC" , x "AF_VSOCK" , x "AF_KCM" , \
+ x "AF_QIPCRTR", x "AF_SMC" , x "AF_MAX"
+
static const char *const af_family_key_strings[AF_MAX+1] = {
- "sk_lock-AF_UNSPEC", "sk_lock-AF_UNIX" , "sk_lock-AF_INET" ,
- "sk_lock-AF_AX25" , "sk_lock-AF_IPX" , "sk_lock-AF_APPLETALK",
- "sk_lock-AF_NETROM", "sk_lock-AF_BRIDGE" , "sk_lock-AF_ATMPVC" ,
- "sk_lock-AF_X25" , "sk_lock-AF_INET6" , "sk_lock-AF_ROSE" ,
- "sk_lock-AF_DECnet", "sk_lock-AF_NETBEUI" , "sk_lock-AF_SECURITY" ,
- "sk_lock-AF_KEY" , "sk_lock-AF_NETLINK" , "sk_lock-AF_PACKET" ,
- "sk_lock-AF_ASH" , "sk_lock-AF_ECONET" , "sk_lock-AF_ATMSVC" ,
- "sk_lock-AF_RDS" , "sk_lock-AF_SNA" , "sk_lock-AF_IRDA" ,
- "sk_lock-AF_PPPOX" , "sk_lock-AF_WANPIPE" , "sk_lock-AF_LLC" ,
- "sk_lock-27" , "sk_lock-28" , "sk_lock-AF_CAN" ,
- "sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" ,
- "sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" ,
- "sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" , "sk_lock-AF_ALG" ,
- "sk_lock-AF_NFC" , "sk_lock-AF_VSOCK" , "sk_lock-AF_KCM" ,
- "sk_lock-AF_QIPCRTR", "sk_lock-AF_SMC" , "sk_lock-AF_MAX"
+ _sock_locks("sk_lock-")
};
static const char *const af_family_slock_key_strings[AF_MAX+1] = {
- "slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" ,
- "slock-AF_AX25" , "slock-AF_IPX" , "slock-AF_APPLETALK",
- "slock-AF_NETROM", "slock-AF_BRIDGE" , "slock-AF_ATMPVC" ,
- "slock-AF_X25" , "slock-AF_INET6" , "slock-AF_ROSE" ,
- "slock-AF_DECnet", "slock-AF_NETBEUI" , "slock-AF_SECURITY" ,
- "slock-AF_KEY" , "slock-AF_NETLINK" , "slock-AF_PACKET" ,
- "slock-AF_ASH" , "slock-AF_ECONET" , "slock-AF_ATMSVC" ,
- "slock-AF_RDS" , "slock-AF_SNA" , "slock-AF_IRDA" ,
- "slock-AF_PPPOX" , "slock-AF_WANPIPE" , "slock-AF_LLC" ,
- "slock-27" , "slock-28" , "slock-AF_CAN" ,
- "slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" ,
- "slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" ,
- "slock-AF_IEEE802154", "slock-AF_CAIF" , "slock-AF_ALG" ,
- "slock-AF_NFC" , "slock-AF_VSOCK" ,"slock-AF_KCM" ,
- "slock-AF_QIPCRTR", "slock-AF_SMC" , "slock-AF_MAX"
+ _sock_locks("slock-")
};
static const char *const af_family_clock_key_strings[AF_MAX+1] = {
- "clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" ,
- "clock-AF_AX25" , "clock-AF_IPX" , "clock-AF_APPLETALK",
- "clock-AF_NETROM", "clock-AF_BRIDGE" , "clock-AF_ATMPVC" ,
- "clock-AF_X25" , "clock-AF_INET6" , "clock-AF_ROSE" ,
- "clock-AF_DECnet", "clock-AF_NETBEUI" , "clock-AF_SECURITY" ,
- "clock-AF_KEY" , "clock-AF_NETLINK" , "clock-AF_PACKET" ,
- "clock-AF_ASH" , "clock-AF_ECONET" , "clock-AF_ATMSVC" ,
- "clock-AF_RDS" , "clock-AF_SNA" , "clock-AF_IRDA" ,
- "clock-AF_PPPOX" , "clock-AF_WANPIPE" , "clock-AF_LLC" ,
- "clock-27" , "clock-28" , "clock-AF_CAN" ,
- "clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" ,
- "clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" ,
- "clock-AF_IEEE802154", "clock-AF_CAIF" , "clock-AF_ALG" ,
- "clock-AF_NFC" , "clock-AF_VSOCK" , "clock-AF_KCM" ,
- "clock-AF_QIPCRTR", "clock-AF_SMC" , "clock-AF_MAX"
+ _sock_locks("clock-")
+};
+
+static const char *const af_family_kern_key_strings[AF_MAX+1] = {
+ _sock_locks("k-sk_lock-")
+};
+static const char *const af_family_kern_slock_key_strings[AF_MAX+1] = {
+ _sock_locks("k-slock-")
+};
+static const char *const af_family_kern_clock_key_strings[AF_MAX+1] = {
+ _sock_locks("k-clock-")
};
/*
* so split the lock classes by using a per-AF key:
*/
static struct lock_class_key af_callback_keys[AF_MAX];
+static struct lock_class_key af_kern_callback_keys[AF_MAX];
/* Take into consideration the size of the struct sk_buff overhead in the
* determination of these values, since that is non-constant across
*/
static inline void sock_lock_init(struct sock *sk)
{
- sock_lock_init_class_and_name(sk,
+ if (sk->sk_kern_sock)
+ sock_lock_init_class_and_name(
+ sk,
+ af_family_kern_slock_key_strings[sk->sk_family],
+ af_family_kern_slock_keys + sk->sk_family,
+ af_family_kern_key_strings[sk->sk_family],
+ af_family_kern_keys + sk->sk_family);
+ else
+ sock_lock_init_class_and_name(
+ sk,
af_family_slock_key_strings[sk->sk_family],
af_family_slock_keys + sk->sk_family,
af_family_key_strings[sk->sk_family],
* why we need sk_prot_creator -acme
*/
sk->sk_prot = sk->sk_prot_creator = prot;
+ sk->sk_kern_sock = kern;
sock_lock_init(sk);
sk->sk_net_refcnt = kern ? 0 : 1;
if (likely(sk->sk_net_refcnt))
}
EXPORT_SYMBOL(sock_no_socketpair);
-int sock_no_accept(struct socket *sock, struct socket *newsock, int flags)
+int sock_no_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
return -EOPNOTSUPP;
}
}
rwlock_init(&sk->sk_callback_lock);
- lockdep_set_class_and_name(&sk->sk_callback_lock,
+ if (sk->sk_kern_sock)
+ lockdep_set_class_and_name(
+ &sk->sk_callback_lock,
+ af_kern_callback_keys + sk->sk_family,
+ af_family_kern_clock_key_strings[sk->sk_family]);
+ else
+ lockdep_set_class_and_name(
+ &sk->sk_callback_lock,
af_callback_keys + sk->sk_family,
af_family_clock_key_strings[sk->sk_family]);
for (i = 0; i < hc->tx_seqbufc; i++)
kfree(hc->tx_seqbuf[i]);
hc->tx_seqbufc = 0;
+ dccp_ackvec_parsed_cleanup(&hc->tx_av_chunks);
}
static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
switch (type) {
case ICMP_REDIRECT:
- dccp_do_redirect(skb, sk);
+ if (!sock_owned_by_user(sk))
+ dccp_do_redirect(skb, sk);
goto out;
case ICMP_SOURCE_QUENCH:
/* Just silently ignore these. */
np = inet6_sk(sk);
if (type == NDISC_REDIRECT) {
- struct dst_entry *dst = __sk_dst_check(sk, np->dst_cookie);
+ if (!sock_owned_by_user(sk)) {
+ struct dst_entry *dst = __sk_dst_check(sk, np->dst_cookie);
- if (dst)
- dst->ops->redirect(dst, sk, skb);
+ if (dst)
+ dst->ops->redirect(dst, sk, skb);
+ }
goto out;
}
struct dccp_request_sock *dreq = dccp_rsk(req);
bool own_req;
+ /* TCP/DCCP listeners became lockless.
+ * DCCP stores complex state in its request_sock, so we need
+ * a protection for them, now this code runs without being protected
+ * by the parent (listener) lock.
+ */
+ spin_lock_bh(&dreq->dreq_lock);
+
/* Check for retransmitted REQUEST */
if (dccp_hdr(skb)->dccph_type == DCCP_PKT_REQUEST) {
inet_rtx_syn_ack(sk, req);
}
/* Network Duplicate, discard packet */
- return NULL;
+ goto out;
}
DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_PACKET_ERROR;
child = inet_csk(sk)->icsk_af_ops->syn_recv_sock(sk, skb, req, NULL,
req, &own_req);
- if (!child)
- goto listen_overflow;
-
- return inet_csk_complete_hashdance(sk, child, req, own_req);
+ if (child) {
+ child = inet_csk_complete_hashdance(sk, child, req, own_req);
+ goto out;
+ }
-listen_overflow:
- dccp_pr_debug("listen_overflow!\n");
DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_TOO_BUSY;
drop:
if (dccp_hdr(skb)->dccph_type != DCCP_PKT_RESET)
req->rsk_ops->send_reset(sk, skb);
inet_csk_reqsk_queue_drop(sk, req);
- return NULL;
+out:
+ spin_unlock_bh(&dreq->dreq_lock);
+ return child;
}
EXPORT_SYMBOL_GPL(dccp_check_req);
{
struct dccp_request_sock *dreq = dccp_rsk(req);
+ spin_lock_init(&dreq->dreq_lock);
inet_rsk(req)->ir_rmt_port = dccp_hdr(skb)->dccph_sport;
inet_rsk(req)->ir_num = ntohs(dccp_hdr(skb)->dccph_dport);
inet_rsk(req)->acked = 0;
return skb == NULL ? ERR_PTR(err) : skb;
}
-static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
+static int dn_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *sk = sock->sk, *newsk;
struct sk_buff *skb = NULL;
cb = DN_SKB_CB(skb);
sk->sk_ack_backlog--;
- newsk = dn_alloc_sock(sock_net(sk), newsock, sk->sk_allocation, 0);
+ newsk = dn_alloc_sock(sock_net(sk), newsock, sk->sk_allocation, kern);
if (newsk == NULL) {
release_sock(sk);
kfree_skb(skb);
* Accept a pending connection. The TCP layer now gives BSD semantics.
*/
-int inet_accept(struct socket *sock, struct socket *newsock, int flags)
+int inet_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *sk1 = sock->sk;
int err = -EINVAL;
- struct sock *sk2 = sk1->sk_prot->accept(sk1, flags, &err);
+ struct sock *sk2 = sk1->sk_prot->accept(sk1, flags, &err, kern);
if (!sk2)
goto do_err;
int proto = iph->protocol;
int err = -ENOSYS;
- if (skb->encapsulation)
+ if (skb->encapsulation) {
+ skb_set_inner_protocol(skb, cpu_to_be16(ETH_P_IP));
skb_set_inner_network_header(skb, nhoff);
+ }
csum_replace2(&iph->check, iph->tot_len, newlen);
iph->tot_len = newlen;
/*
* This will accept the next outstanding connection.
*/
-struct sock *inet_csk_accept(struct sock *sk, int flags, int *err)
+struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern)
{
struct inet_connection_sock *icsk = inet_csk(sk);
struct request_sock_queue *queue = &icsk->icsk_accept_queue;
cork->length += length;
if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) &&
(sk->sk_protocol == IPPROTO_UDP) &&
- (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&
+ (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) &&
(sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) {
err = ip_ufo_append_data(sk, queue, getfrag, from, length,
hh_len, fragheaderlen, transhdrlen,
*/
void tcp_v4_mtu_reduced(struct sock *sk)
{
- struct dst_entry *dst;
struct inet_sock *inet = inet_sk(sk);
- u32 mtu = tcp_sk(sk)->mtu_info;
+ struct dst_entry *dst;
+ u32 mtu;
+ if ((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE))
+ return;
+ mtu = tcp_sk(sk)->mtu_info;
dst = inet_csk_update_pmtu(sk, mtu);
if (!dst)
return;
switch (type) {
case ICMP_REDIRECT:
- do_redirect(icmp_skb, sk);
+ if (!sock_owned_by_user(sk))
+ do_redirect(icmp_skb, sk);
goto out;
case ICMP_SOURCE_QUENCH:
/* Just silently ignore these. */
sk_mem_reclaim_partial(sk);
- if (sk->sk_state == TCP_CLOSE || !(icsk->icsk_ack.pending & ICSK_ACK_TIMER))
+ if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) ||
+ !(icsk->icsk_ack.pending & ICSK_ACK_TIMER))
goto out;
if (time_after(icsk->icsk_ack.timeout, jiffies)) {
struct inet_connection_sock *icsk = inet_csk(sk);
int event;
- if (sk->sk_state == TCP_CLOSE || !icsk->icsk_pending)
+ if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) ||
+ !icsk->icsk_pending)
goto out;
if (time_after(icsk->icsk_timeout, jiffies)) {
err = register_pernet_subsys(&inet6_net_ops);
if (err)
goto register_pernet_fail;
- err = icmpv6_init();
- if (err)
- goto icmp_fail;
err = ip6_mr_init();
if (err)
goto ipmr_fail;
+ err = icmpv6_init();
+ if (err)
+ goto icmp_fail;
err = ndisc_init();
if (err)
goto ndisc_fail;
ndisc_cleanup();
ndisc_fail:
ip6_mr_cleanup();
-ipmr_fail:
- icmpv6_cleanup();
icmp_fail:
unregister_pernet_subsys(&inet6_net_ops);
+ipmr_fail:
+ icmpv6_cleanup();
register_pernet_fail:
sock_unregister(PF_INET6);
rtnl_unregister_all(PF_INET6);
ins = &rt->dst.rt6_next;
iter = *ins;
while (iter) {
+ if (iter->rt6i_metric > rt->rt6i_metric)
+ break;
if (rt6_qualify_for_ecmp(iter)) {
*ins = iter->dst.rt6_next;
fib6_purge_rt(iter, fn, info->nl_net);
struct ipv6hdr *iph = (struct ipv6hdr *)(skb->data + nhoff);
int err = -ENOSYS;
- if (skb->encapsulation)
+ if (skb->encapsulation) {
+ skb_set_inner_protocol(skb, cpu_to_be16(ETH_P_IPV6));
skb_set_inner_network_header(skb, nhoff);
+ }
iph->payload_len = htons(skb->len - nhoff - sizeof(*iph));
* Fragment the datagram.
*/
- *prevhdr = NEXTHDR_FRAGMENT;
troom = rt->dst.dev->needed_tailroom;
/*
* Keep copying data until we run out.
*/
while (left > 0) {
+ u8 *fragnexthdr_offset;
+
len = left;
/* IF: it doesn't fit, use 'mtu' - the data space left */
if (len > mtu)
*/
skb_copy_from_linear_data(skb, skb_network_header(frag), hlen);
+ fragnexthdr_offset = skb_network_header(frag);
+ fragnexthdr_offset += prevhdr - skb_network_header(skb);
+ *fragnexthdr_offset = NEXTHDR_FRAGMENT;
+
/*
* Build fragment header.
*/
if ((((length + fragheaderlen) > mtu) ||
(skb && skb_is_gso(skb))) &&
(sk->sk_protocol == IPPROTO_UDP) &&
- (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&
+ (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) &&
(sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) {
err = ip6_ufo_append_data(sk, queue, getfrag, from, length,
hh_len, fragheaderlen, exthdrlen,
if (!skb->ignore_df && skb->len > mtu) {
skb_dst(skb)->ops->update_pmtu(dst, NULL, skb, mtu);
- if (skb->protocol == htons(ETH_P_IPV6))
+ if (skb->protocol == htons(ETH_P_IPV6)) {
+ if (mtu < IPV6_MIN_MTU)
+ mtu = IPV6_MIN_MTU;
+
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
- else
+ } else {
icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
htonl(mtu));
+ }
return -EMSGSIZE;
}
nexthop_len = nla_total_size(0) /* RTA_MULTIPATH */
+ NLA_ALIGN(sizeof(struct rtnexthop))
+ nla_total_size(16) /* RTA_GATEWAY */
- + nla_total_size(4) /* RTA_OIF */
+ lwtunnel_get_encap_size(rt->dst.lwtstate);
nexthop_len *= rt->rt6i_nsiblings;
}
static int rt6_nexthop_info(struct sk_buff *skb, struct rt6_info *rt,
- unsigned int *flags)
+ unsigned int *flags, bool skip_oif)
{
if (!netif_running(rt->dst.dev) || !netif_carrier_ok(rt->dst.dev)) {
*flags |= RTNH_F_LINKDOWN;
goto nla_put_failure;
}
- if (rt->dst.dev &&
+ /* not needed for multipath encoding b/c it has a rtnexthop struct */
+ if (!skip_oif && rt->dst.dev &&
nla_put_u32(skb, RTA_OIF, rt->dst.dev->ifindex))
goto nla_put_failure;
return -EMSGSIZE;
}
+/* add multipath next hop */
static int rt6_add_nexthop(struct sk_buff *skb, struct rt6_info *rt)
{
struct rtnexthop *rtnh;
rtnh->rtnh_hops = 0;
rtnh->rtnh_ifindex = rt->dst.dev ? rt->dst.dev->ifindex : 0;
- if (rt6_nexthop_info(skb, rt, &flags) < 0)
+ if (rt6_nexthop_info(skb, rt, &flags, true) < 0)
goto nla_put_failure;
rtnh->rtnh_flags = flags;
nla_nest_end(skb, mp);
} else {
- if (rt6_nexthop_info(skb, rt, &rtm->rtm_flags) < 0)
+ if (rt6_nexthop_info(skb, rt, &rtm->rtm_flags, false) < 0)
goto nla_put_failure;
}
np = inet6_sk(sk);
if (type == NDISC_REDIRECT) {
- struct dst_entry *dst = __sk_dst_check(sk, np->dst_cookie);
+ if (!sock_owned_by_user(sk)) {
+ struct dst_entry *dst = __sk_dst_check(sk, np->dst_cookie);
- if (dst)
- dst->ops->redirect(dst, sk, skb);
+ if (dst)
+ dst->ops->redirect(dst, sk, skb);
+ }
goto out;
}
* Wait for incoming connection
*
*/
-static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
+static int irda_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *sk = sock->sk;
struct irda_sock *new, *self = irda_sk(sk);
struct sk_buff *skb = NULL;
int err;
- err = irda_create(sock_net(sk), newsock, sk->sk_protocol, 0);
+ err = irda_create(sock_net(sk), newsock, sk->sk_protocol, kern);
if (err)
return err;
/* Accept a pending connection */
static int iucv_sock_accept(struct socket *sock, struct socket *newsock,
- int flags)
+ int flags, bool kern)
{
DECLARE_WAITQUEUE(wait, current);
struct sock *sk = sock->sk, *nsk;
* @sock: Socket which connections arrive on.
* @newsock: Socket to move incoming connection to.
* @flags: User specified operational flags.
+ * @kern: If the socket is kernel internal
*
* Accept a new incoming connection.
* Returns 0 upon success, negative otherwise.
*/
-static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags)
+static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *sk = sock->sk, *newsk;
struct llc_sock *llc, *newllc;
/* fall through */
case NETDEV_CHANGE:
nh->nh_flags |= RTNH_F_LINKDOWN;
- ACCESS_ONCE(rt->rt_nhn_alive) = rt->rt_nhn_alive - 1;
+ if (event != NETDEV_UNREGISTER)
+ ACCESS_ONCE(rt->rt_nhn_alive) = rt->rt_nhn_alive - 1;
break;
}
if (event == NETDEV_UNREGISTER)
for (index = 0; index < platform_labels; index++) {
struct mpls_route *rt = rtnl_dereference(platform_label[index]);
RCU_INIT_POINTER(platform_label[index], NULL);
+ mpls_notify_route(net, index, rt, NULL, NULL);
mpls_rt_free(rt);
}
rtnl_unlock();
return err;
}
-static int nr_accept(struct socket *sock, struct socket *newsock, int flags)
+static int nr_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sk_buff *skb;
struct sock *newsk;
}
static int llcp_sock_accept(struct socket *sock, struct socket *newsock,
- int flags)
+ int flags, bool kern)
{
DECLARE_WAITQUEUE(wait, current);
struct sock *sk = sock->sk, *new_sk;
sock_put(sk);
}
-static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp)
+static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp,
+ bool kern)
{
struct pep_sock *pn = pep_sk(sk), *newpn;
struct sock *newsk = NULL;
}
/* Create a new to-be-accepted sock */
- newsk = sk_alloc(sock_net(sk), PF_PHONET, GFP_KERNEL, sk->sk_prot, 0);
+ newsk = sk_alloc(sock_net(sk), PF_PHONET, GFP_KERNEL, sk->sk_prot,
+ kern);
if (!newsk) {
pep_reject_conn(sk, skb, PN_PIPE_ERR_OVERLOAD, GFP_KERNEL);
err = -ENOBUFS;
}
static int pn_socket_accept(struct socket *sock, struct socket *newsock,
- int flags)
+ int flags, bool kern)
{
struct sock *sk = sock->sk;
struct sock *newsk;
if (unlikely(sk->sk_state != TCP_LISTEN))
return -EINVAL;
- newsk = sk->sk_prot->accept(sk, flags, &err);
+ newsk = sk->sk_prot->accept(sk, flags, &err, kern);
if (!newsk)
return err;
*/
rds_cong_remove_conn(conn);
+ put_net(conn->c_net);
kmem_cache_free(rds_conn_slab, conn);
spin_lock_irqsave(&rds_conn_lock, flags);
ic->i_send_cq = NULL;
ibdev_put_vector(rds_ibdev, ic->i_scq_vector);
rdsdebug("ib_create_cq send failed: %d\n", ret);
- goto out;
+ goto rds_ibdev_out;
}
ic->i_rcq_vector = ibdev_get_unused_vector(rds_ibdev);
ic->i_recv_cq = NULL;
ibdev_put_vector(rds_ibdev, ic->i_rcq_vector);
rdsdebug("ib_create_cq recv failed: %d\n", ret);
- goto out;
+ goto send_cq_out;
}
ret = ib_req_notify_cq(ic->i_send_cq, IB_CQ_NEXT_COMP);
if (ret) {
rdsdebug("ib_req_notify_cq send failed: %d\n", ret);
- goto out;
+ goto recv_cq_out;
}
ret = ib_req_notify_cq(ic->i_recv_cq, IB_CQ_SOLICITED);
if (ret) {
rdsdebug("ib_req_notify_cq recv failed: %d\n", ret);
- goto out;
+ goto recv_cq_out;
}
/* XXX negotiate max send/recv with remote? */
ret = rdma_create_qp(ic->i_cm_id, ic->i_pd, &attr);
if (ret) {
rdsdebug("rdma_create_qp failed: %d\n", ret);
- goto out;
+ goto recv_cq_out;
}
ic->i_send_hdrs = ib_dma_alloc_coherent(dev,
if (!ic->i_send_hdrs) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent send failed\n");
- goto out;
+ goto qp_out;
}
ic->i_recv_hdrs = ib_dma_alloc_coherent(dev,
if (!ic->i_recv_hdrs) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent recv failed\n");
- goto out;
+ goto send_hdrs_dma_out;
}
ic->i_ack = ib_dma_alloc_coherent(dev, sizeof(struct rds_header),
if (!ic->i_ack) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent ack failed\n");
- goto out;
+ goto recv_hdrs_dma_out;
}
ic->i_sends = vzalloc_node(ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work),
if (!ic->i_sends) {
ret = -ENOMEM;
rdsdebug("send allocation failed\n");
- goto out;
+ goto ack_dma_out;
}
ic->i_recvs = vzalloc_node(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work),
if (!ic->i_recvs) {
ret = -ENOMEM;
rdsdebug("recv allocation failed\n");
- goto out;
+ goto sends_out;
}
rds_ib_recv_init_ack(ic);
rdsdebug("conn %p pd %p cq %p %p\n", conn, ic->i_pd,
ic->i_send_cq, ic->i_recv_cq);
-out:
+ return ret;
+
+sends_out:
+ vfree(ic->i_sends);
+ack_dma_out:
+ ib_dma_free_coherent(dev, sizeof(struct rds_header),
+ ic->i_ack, ic->i_ack_dma);
+recv_hdrs_dma_out:
+ ib_dma_free_coherent(dev, ic->i_recv_ring.w_nr *
+ sizeof(struct rds_header),
+ ic->i_recv_hdrs, ic->i_recv_hdrs_dma);
+send_hdrs_dma_out:
+ ib_dma_free_coherent(dev, ic->i_send_ring.w_nr *
+ sizeof(struct rds_header),
+ ic->i_send_hdrs, ic->i_send_hdrs_dma);
+qp_out:
+ rdma_destroy_qp(ic->i_cm_id);
+recv_cq_out:
+ if (!ib_destroy_cq(ic->i_recv_cq))
+ ic->i_recv_cq = NULL;
+send_cq_out:
+ if (!ib_destroy_cq(ic->i_send_cq))
+ ic->i_send_cq = NULL;
+rds_ibdev_out:
+ rds_ib_remove_conn(rds_ibdev, conn);
rds_ib_dev_put(rds_ibdev);
+
return ret;
}
/* Protocol version */
unsigned int c_version;
- possible_net_t c_net;
+ struct net *c_net;
struct list_head c_map_item;
unsigned long c_map_queued;
static inline
struct net *rds_conn_net(struct rds_connection *conn)
{
- return read_pnet(&conn->c_net);
+ return conn->c_net;
}
static inline
void rds_conn_net_set(struct rds_connection *conn, struct net *net)
{
- write_pnet(&conn->c_net, net);
+ conn->c_net = get_net(net);
}
#define RDS_FLAG_CONG_BITMAP 0x01
* we do need to clean up the listen socket here.
*/
if (rtn->rds_tcp_listen_sock) {
- rds_tcp_listen_stop(rtn->rds_tcp_listen_sock);
+ struct socket *lsock = rtn->rds_tcp_listen_sock;
+
rtn->rds_tcp_listen_sock = NULL;
- flush_work(&rtn->rds_tcp_accept_w);
+ rds_tcp_listen_stop(lsock, &rtn->rds_tcp_accept_w);
}
}
struct rds_tcp_connection *tc, *_tc;
LIST_HEAD(tmp_list);
struct rds_tcp_net *rtn = net_generic(net, rds_tcp_netid);
+ struct socket *lsock = rtn->rds_tcp_listen_sock;
- rds_tcp_listen_stop(rtn->rds_tcp_listen_sock);
rtn->rds_tcp_listen_sock = NULL;
- flush_work(&rtn->rds_tcp_accept_w);
+ rds_tcp_listen_stop(lsock, &rtn->rds_tcp_accept_w);
spin_lock_irq(&rds_tcp_conn_lock);
list_for_each_entry_safe(tc, _tc, &rds_tcp_conn_list, t_tcp_node) {
- struct net *c_net = read_pnet(&tc->t_cpath->cp_conn->c_net);
+ struct net *c_net = tc->t_cpath->cp_conn->c_net;
if (net != c_net || !tc->t_sock)
continue;
void *rds_tcp_listen_sock_def_readable(struct net *net)
{
struct rds_tcp_net *rtn = net_generic(net, rds_tcp_netid);
+ struct socket *lsock = rtn->rds_tcp_listen_sock;
+
+ if (!lsock)
+ return NULL;
- return rtn->rds_tcp_listen_sock->sk->sk_user_data;
+ return lsock->sk->sk_user_data;
}
static int rds_tcp_dev_event(struct notifier_block *this,
spin_lock_irq(&rds_tcp_conn_lock);
list_for_each_entry_safe(tc, _tc, &rds_tcp_conn_list, t_tcp_node) {
- struct net *c_net = read_pnet(&tc->t_cpath->cp_conn->c_net);
+ struct net *c_net = tc->t_cpath->cp_conn->c_net;
if (net != c_net || !tc->t_sock)
continue;
goto out;
}
- ret = register_netdevice_notifier(&rds_tcp_dev_notifier);
- if (ret) {
- pr_warn("could not register rds_tcp_dev_notifier\n");
+ ret = rds_tcp_recv_init();
+ if (ret)
goto out_slab;
- }
ret = register_pernet_subsys(&rds_tcp_net_ops);
if (ret)
- goto out_notifier;
+ goto out_recv;
- ret = rds_tcp_recv_init();
- if (ret)
+ ret = register_netdevice_notifier(&rds_tcp_dev_notifier);
+ if (ret) {
+ pr_warn("could not register rds_tcp_dev_notifier\n");
goto out_pernet;
+ }
rds_trans_register(&rds_tcp_transport);
out_pernet:
unregister_pernet_subsys(&rds_tcp_net_ops);
-out_notifier:
- if (unregister_netdevice_notifier(&rds_tcp_dev_notifier))
- pr_warn("could not unregister rds_tcp_dev_notifier\n");
+out_recv:
+ rds_tcp_recv_exit();
out_slab:
kmem_cache_destroy(rds_tcp_conn_slab);
out:
/* tcp_listen.c */
struct socket *rds_tcp_listen_init(struct net *);
-void rds_tcp_listen_stop(struct socket *);
+void rds_tcp_listen_stop(struct socket *sock, struct work_struct *acceptor);
void rds_tcp_listen_data_ready(struct sock *sk);
int rds_tcp_accept_one(struct socket *sock);
int rds_tcp_keepalive(struct socket *sock);
new_sock->type = sock->type;
new_sock->ops = sock->ops;
- ret = sock->ops->accept(sock, new_sock, O_NONBLOCK);
+ ret = sock->ops->accept(sock, new_sock, O_NONBLOCK, true);
if (ret < 0)
goto out;
* before it has been accepted and the accepter has set up their
* data_ready.. we only want to queue listen work for our listening
* socket
+ *
+ * (*ready)() may be null if we are racing with netns delete, and
+ * the listen socket is being torn down.
*/
if (sk->sk_state == TCP_LISTEN)
rds_tcp_accept_work(sk);
out:
read_unlock_bh(&sk->sk_callback_lock);
- ready(sk);
+ if (ready)
+ ready(sk);
}
struct socket *rds_tcp_listen_init(struct net *net)
return NULL;
}
-void rds_tcp_listen_stop(struct socket *sock)
+void rds_tcp_listen_stop(struct socket *sock, struct work_struct *acceptor)
{
struct sock *sk;
/* wait for accepts to stop and close the socket */
flush_workqueue(rds_wq);
+ flush_work(acceptor);
sock_release(sock);
}
return err;
}
-static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
+static int rose_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sk_buff *skb;
struct sock *newsk;
u16 skew)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
+ enum rxrpc_call_state state;
unsigned int offset = sizeof(struct rxrpc_wire_header);
unsigned int ix;
rxrpc_serial_t serial = sp->hdr.serial, ack_serial = 0;
_proto("Rx DATA %%%u { #%u f=%02x }",
sp->hdr.serial, seq, sp->hdr.flags);
- if (call->state >= RXRPC_CALL_COMPLETE)
+ state = READ_ONCE(call->state);
+ if (state >= RXRPC_CALL_COMPLETE)
return;
/* Received data implicitly ACKs all of the request packets we sent
* when we're acting as a client.
*/
- if ((call->state == RXRPC_CALL_CLIENT_SEND_REQUEST ||
- call->state == RXRPC_CALL_CLIENT_AWAIT_REPLY) &&
+ if ((state == RXRPC_CALL_CLIENT_SEND_REQUEST ||
+ state == RXRPC_CALL_CLIENT_AWAIT_REPLY) &&
!rxrpc_receiving_reply(call))
return;
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
struct rxrpc_peer *peer;
unsigned int mtu;
+ bool wake = false;
u32 rwind = ntohl(ackinfo->rwind);
_proto("Rx ACK %%%u Info { rx=%u max=%u rwin=%u jm=%u }",
ntohl(ackinfo->rxMTU), ntohl(ackinfo->maxMTU),
rwind, ntohl(ackinfo->jumbo_max));
- if (rwind > RXRPC_RXTX_BUFF_SIZE - 1)
- rwind = RXRPC_RXTX_BUFF_SIZE - 1;
- call->tx_winsize = rwind;
+ if (call->tx_winsize != rwind) {
+ if (rwind > RXRPC_RXTX_BUFF_SIZE - 1)
+ rwind = RXRPC_RXTX_BUFF_SIZE - 1;
+ if (rwind > call->tx_winsize)
+ wake = true;
+ call->tx_winsize = rwind;
+ }
+
if (call->cong_ssthresh > rwind)
call->cong_ssthresh = rwind;
spin_unlock_bh(&peer->lock);
_net("Net MTU %u (maxdata %u)", peer->mtu, peer->maxdata);
}
+
+ if (wake)
+ wake_up(&call->waitq);
}
/*
return rxrpc_proto_abort("AK0", call, 0);
/* Ignore ACKs unless we are or have just been transmitting. */
- switch (call->state) {
+ switch (READ_ONCE(call->state)) {
case RXRPC_CALL_CLIENT_SEND_REQUEST:
case RXRPC_CALL_CLIENT_AWAIT_REPLY:
case RXRPC_CALL_SERVER_SEND_REPLY:
static void rxrpc_input_implicit_end_call(struct rxrpc_connection *conn,
struct rxrpc_call *call)
{
- switch (call->state) {
+ switch (READ_ONCE(call->state)) {
case RXRPC_CALL_SERVER_AWAIT_ACK:
rxrpc_call_completed(call);
break;
msg->msg_namelen = len;
}
- switch (call->state) {
+ switch (READ_ONCE(call->state)) {
case RXRPC_CALL_SERVER_ACCEPTING:
ret = rxrpc_recvmsg_new_call(rx, call, msg, flags);
break;
mutex_lock(&call->user_mutex);
- switch (call->state) {
+ switch (READ_ONCE(call->state)) {
case RXRPC_CALL_CLIENT_RECV_REPLY:
case RXRPC_CALL_SERVER_RECV_REQUEST:
case RXRPC_CALL_SERVER_ACK_REQUEST:
int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
__releases(&rx->sk.sk_lock.slock)
{
+ enum rxrpc_call_state state;
enum rxrpc_command cmd;
struct rxrpc_call *call;
unsigned long user_call_ID = 0;
return PTR_ERR(call);
/* ... and we have the call lock. */
} else {
- ret = -EBUSY;
- if (call->state == RXRPC_CALL_UNINITIALISED ||
- call->state == RXRPC_CALL_CLIENT_AWAIT_CONN ||
- call->state == RXRPC_CALL_SERVER_PREALLOC ||
- call->state == RXRPC_CALL_SERVER_SECURING ||
- call->state == RXRPC_CALL_SERVER_ACCEPTING)
+ switch (READ_ONCE(call->state)) {
+ case RXRPC_CALL_UNINITIALISED:
+ case RXRPC_CALL_CLIENT_AWAIT_CONN:
+ case RXRPC_CALL_SERVER_PREALLOC:
+ case RXRPC_CALL_SERVER_SECURING:
+ case RXRPC_CALL_SERVER_ACCEPTING:
+ ret = -EBUSY;
goto error_release_sock;
+ default:
+ break;
+ }
ret = mutex_lock_interruptible(&call->user_mutex);
release_sock(&rx->sk);
}
}
+ state = READ_ONCE(call->state);
_debug("CALL %d USR %lx ST %d on CONN %p",
- call->debug_id, call->user_call_ID, call->state, call->conn);
+ call->debug_id, call->user_call_ID, state, call->conn);
- if (call->state >= RXRPC_CALL_COMPLETE) {
+ if (state >= RXRPC_CALL_COMPLETE) {
/* it's too late for this call */
ret = -ESHUTDOWN;
} else if (cmd == RXRPC_CMD_SEND_ABORT) {
} else if (cmd != RXRPC_CMD_SEND_DATA) {
ret = -EINVAL;
} else if (rxrpc_is_client_call(call) &&
- call->state != RXRPC_CALL_CLIENT_SEND_REQUEST) {
+ state != RXRPC_CALL_CLIENT_SEND_REQUEST) {
/* request phase complete for this client call */
ret = -EPROTO;
} else if (rxrpc_is_service_call(call) &&
- call->state != RXRPC_CALL_SERVER_ACK_REQUEST &&
- call->state != RXRPC_CALL_SERVER_SEND_REPLY) {
+ state != RXRPC_CALL_SERVER_ACK_REQUEST &&
+ state != RXRPC_CALL_SERVER_SEND_REPLY) {
/* Reply phase not begun or not complete for service call. */
ret = -EPROTO;
} else {
_debug("CALL %d USR %lx ST %d on CONN %p",
call->debug_id, call->user_call_ID, call->state, call->conn);
- if (call->state >= RXRPC_CALL_COMPLETE) {
- ret = -ESHUTDOWN; /* it's too late for this call */
- } else if (call->state != RXRPC_CALL_CLIENT_SEND_REQUEST &&
- call->state != RXRPC_CALL_SERVER_ACK_REQUEST &&
- call->state != RXRPC_CALL_SERVER_SEND_REPLY) {
- ret = -EPROTO; /* request phase complete for this client call */
- } else {
+ switch (READ_ONCE(call->state)) {
+ case RXRPC_CALL_CLIENT_SEND_REQUEST:
+ case RXRPC_CALL_SERVER_ACK_REQUEST:
+ case RXRPC_CALL_SERVER_SEND_REPLY:
ret = rxrpc_send_data(rxrpc_sk(sock->sk), call, msg, len);
+ break;
+ case RXRPC_CALL_COMPLETE:
+ read_lock_bh(&call->state_lock);
+ ret = -call->error;
+ read_unlock_bh(&call->state_lock);
+ break;
+ default:
+ /* Request phase complete for this client call */
+ ret = -EPROTO;
+ break;
}
mutex_unlock(&call->user_mutex);
if (ret < 0)
return ret;
+ if (!tb[TCA_CONNMARK_PARMS])
+ return -EINVAL;
+
parm = nla_data(tb[TCA_CONNMARK_PARMS]);
if (!tcf_hash_check(tn, parm->index, a, bind)) {
return skb->len;
nla_put_failure:
- rcu_read_unlock();
nlmsg_trim(skb, b);
return -1;
}
/* Create and initialize a new sk for the socket to be returned by accept(). */
static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
- struct sctp_association *asoc)
+ struct sctp_association *asoc,
+ bool kern)
{
struct sock *newsk;
struct ipv6_pinfo *newnp, *np = inet6_sk(sk);
struct sctp6_sock *newsctp6sk;
struct ipv6_txoptions *opt;
- newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot, 0);
+ newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot, kern);
if (!newsk)
goto out;
/* Create and initialize a new sk for the socket returned by accept(). */
static struct sock *sctp_v4_create_accept_sk(struct sock *sk,
- struct sctp_association *asoc)
+ struct sctp_association *asoc,
+ bool kern)
{
struct sock *newsk = sk_alloc(sock_net(sk), PF_INET, GFP_KERNEL,
- sk->sk_prot, 0);
+ sk->sk_prot, kern);
struct inet_sock *newinet;
if (!newsk)
* descriptor will be returned from accept() to represent the newly
* formed association.
*/
-static struct sock *sctp_accept(struct sock *sk, int flags, int *err)
+static struct sock *sctp_accept(struct sock *sk, int flags, int *err, bool kern)
{
struct sctp_sock *sp;
struct sctp_endpoint *ep;
*/
asoc = list_entry(ep->asocs.next, struct sctp_association, asocs);
- newsk = sp->pf->create_accept_sk(sk, asoc);
+ newsk = sp->pf->create_accept_sk(sk, asoc, kern);
if (!newsk) {
error = -ENOMEM;
goto out;
}
static int smc_accept(struct socket *sock, struct socket *new_sock,
- int flags)
+ int flags, bool kern)
{
struct sock *sk = sock->sk, *nsk;
DECLARE_WAITQUEUE(wait, current);
if (err)
goto out_fd;
- err = sock->ops->accept(sock, newsock, sock->file->f_flags);
+ err = sock->ops->accept(sock, newsock, sock->file->f_flags, false);
if (err < 0)
goto out_fd;
/* We assume all kernel code knows the size of sockaddr_storage */
msg.msg_namelen = 0;
msg.msg_iocb = NULL;
+ msg.msg_flags = 0;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, flags);
if (err < 0)
goto done;
- err = sock->ops->accept(sock, *newsock, flags);
+ err = sock->ops->accept(sock, *newsock, flags, true);
if (err < 0) {
sock_release(*newsock);
*newsock = NULL;
struct ib_cq *sendcq, *recvcq;
int rc;
- max_sge = min(ia->ri_device->attrs.max_sge, RPCRDMA_MAX_SEND_SGES);
+ max_sge = min_t(unsigned int, ia->ri_device->attrs.max_sge,
+ RPCRDMA_MAX_SEND_SGES);
if (max_sge < RPCRDMA_MIN_SEND_SGES) {
pr_warn("rpcrdma: HCA provides only %d send SGEs\n", max_sge);
return -ENOMEM;
static void tipc_write_space(struct sock *sk);
static void tipc_sock_destruct(struct sock *sk);
static int tipc_release(struct socket *sock);
-static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags);
+static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags,
+ bool kern);
static void tipc_sk_timeout(unsigned long data);
static int tipc_sk_publish(struct tipc_sock *tsk, uint scope,
struct tipc_name_seq const *seq);
*
* Returns 0 on success, errno otherwise
*/
-static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags)
+static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags,
+ bool kern)
{
struct sock *new_sk, *sk = sock->sk;
struct sk_buff *buf;
buf = skb_peek(&sk->sk_receive_queue);
- res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, 0);
+ res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, kern);
if (res)
goto exit;
security_sk_clone(sock->sk, new_sock->sk);
static int unix_stream_connect(struct socket *, struct sockaddr *,
int addr_len, int flags);
static int unix_socketpair(struct socket *, struct socket *);
-static int unix_accept(struct socket *, struct socket *, int);
+static int unix_accept(struct socket *, struct socket *, int, bool);
static int unix_getname(struct socket *, struct sockaddr *, int *, int);
static unsigned int unix_poll(struct file *, struct socket *, poll_table *);
static unsigned int unix_dgram_poll(struct file *, struct socket *,
set_bit(SOCK_PASSSEC, &new->flags);
}
-static int unix_accept(struct socket *sock, struct socket *newsock, int flags)
+static int unix_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *sk = sock->sk;
struct sock *tsk;
return err;
}
-static int vsock_accept(struct socket *sock, struct socket *newsock, int flags)
+static int vsock_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *listener;
int err;
return rc;
}
-static int x25_accept(struct socket *sock, struct socket *newsock, int flags)
+static int x25_accept(struct socket *sock, struct socket *newsock, int flags,
+ bool kern)
{
struct sock *sk = sock->sk;
struct sock *newsk;
}
static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir,
- const struct flowi *fl)
+ const struct flowi *fl, u16 family)
{
struct xfrm_policy *pol;
again:
pol = rcu_dereference(sk->sk_policy[dir]);
if (pol != NULL) {
- bool match = xfrm_selector_match(&pol->selector, fl,
- sk->sk_family);
+ bool match = xfrm_selector_match(&pol->selector, fl, family);
int err = 0;
if (match) {
sk = sk_const_to_full_sk(sk);
if (sk && sk->sk_policy[XFRM_POLICY_OUT]) {
num_pols = 1;
- pols[0] = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl);
+ pols[0] = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl, family);
err = xfrm_expand_policies(fl, family, pols,
&num_pols, &num_xfrms);
if (err < 0)
pol = NULL;
sk = sk_to_full_sk(sk);
if (sk && sk->sk_policy[dir]) {
- pol = xfrm_sk_policy_lookup(sk, dir, &fl);
+ pol = xfrm_sk_policy_lookup(sk, dir, &fl, family);
if (IS_ERR(pol)) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINPOLERROR);
return 0;
{
int rv;
+ /* Initialize the per-net locks here */
+ spin_lock_init(&net->xfrm.xfrm_state_lock);
+ spin_lock_init(&net->xfrm.xfrm_policy_lock);
+ mutex_init(&net->xfrm.xfrm_cfg_mutex);
+
rv = xfrm_statistics_init(net);
if (rv < 0)
goto out_statistics;
if (rv < 0)
goto out;
- /* Initialize the per-net locks here */
- spin_lock_init(&net->xfrm.xfrm_state_lock);
- spin_lock_init(&net->xfrm.xfrm_policy_lock);
- mutex_init(&net->xfrm.xfrm_cfg_mutex);
-
return 0;
out:
--- /dev/null
+/* Copyright (c) 2016 Facebook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#ifndef _UAPI__LINUX_BPF_PERF_EVENT_H__
+#define _UAPI__LINUX_BPF_PERF_EVENT_H__
+
+#include <linux/types.h>
+#include <linux/ptrace.h>
+
+struct bpf_perf_event_data {
+ struct pt_regs regs;
+ __u64 sample_period;
+};
+
+#endif /* _UAPI__LINUX_BPF_PERF_EVENT_H__ */
/* Last entry */
if (curr->end == curr->start)
- curr->end = roundup(curr->start, 4096);
+ curr->end = roundup(curr->start, 4096) + 4096;
}
void __map_groups__fixup_end(struct map_groups *mg, enum map_type type)
LIBDIR := ../../../lib
BPFOBJ := $(LIBDIR)/bpf/bpf.o
-CFLAGS += -Wall -O2 -lcap -I../../../include/uapi -I$(LIBDIR)
+CFLAGS += -Wall -O2 -lcap -I../../../include/uapi -I$(LIBDIR) $(BPFOBJ)
TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map
TEST_PROGS := test_kmod.sh
+all: $(TEST_GEN_PROGS)
+
.PHONY: all clean force
# force a rebuild of BPFOBJ when its dependencies are updated
* License as published by the Free Software Foundation.
*/
+#include <asm/types.h>
+#include <linux/types.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
cap_flag_value_t sysadmin = CAP_CLEAR;
const cap_value_t cap_val = CAP_SYS_ADMIN;
+#ifdef CAP_IS_SUPPORTED
if (!CAP_IS_SUPPORTED(CAP_SETFCAP)) {
perror("cap_get_flag");
return false;
}
+#endif
caps = cap_get_proc();
if (!caps) {
perror("cap_get_proc");
*/
FUNC_START(load_vsx)
li r5,0
- lxvx vs20,r5,r3
+ lxvd2x vs20,r5,r3
addi r5,r5,16
- lxvx vs21,r5,r3
+ lxvd2x vs21,r5,r3
addi r5,r5,16
- lxvx vs22,r5,r3
+ lxvd2x vs22,r5,r3
addi r5,r5,16
- lxvx vs23,r5,r3
+ lxvd2x vs23,r5,r3
addi r5,r5,16
- lxvx vs24,r5,r3
+ lxvd2x vs24,r5,r3
addi r5,r5,16
- lxvx vs25,r5,r3
+ lxvd2x vs25,r5,r3
addi r5,r5,16
- lxvx vs26,r5,r3
+ lxvd2x vs26,r5,r3
addi r5,r5,16
- lxvx vs27,r5,r3
+ lxvd2x vs27,r5,r3
addi r5,r5,16
- lxvx vs28,r5,r3
+ lxvd2x vs28,r5,r3
addi r5,r5,16
- lxvx vs29,r5,r3
+ lxvd2x vs29,r5,r3
addi r5,r5,16
- lxvx vs30,r5,r3
+ lxvd2x vs30,r5,r3
addi r5,r5,16
- lxvx vs31,r5,r3
+ lxvd2x vs31,r5,r3
blr
FUNC_END(load_vsx)
FUNC_START(store_vsx)
li r5,0
- stxvx vs20,r5,r3
+ stxvd2x vs20,r5,r3
addi r5,r5,16
- stxvx vs21,r5,r3
+ stxvd2x vs21,r5,r3
addi r5,r5,16
- stxvx vs22,r5,r3
+ stxvd2x vs22,r5,r3
addi r5,r5,16
- stxvx vs23,r5,r3
+ stxvd2x vs23,r5,r3
addi r5,r5,16
- stxvx vs24,r5,r3
+ stxvd2x vs24,r5,r3
addi r5,r5,16
- stxvx vs25,r5,r3
+ stxvd2x vs25,r5,r3
addi r5,r5,16
- stxvx vs26,r5,r3
+ stxvd2x vs26,r5,r3
addi r5,r5,16
- stxvx vs27,r5,r3
+ stxvd2x vs27,r5,r3
addi r5,r5,16
- stxvx vs28,r5,r3
+ stxvd2x vs28,r5,r3
addi r5,r5,16
- stxvx vs29,r5,r3
+ stxvd2x vs29,r5,r3
addi r5,r5,16
- stxvx vs30,r5,r3
+ stxvd2x vs30,r5,r3
addi r5,r5,16
- stxvx vs31,r5,r3
+ stxvd2x vs31,r5,r3
blr
FUNC_END(store_vsx)
projects / linux-2.6-microblaze.git / commitdiff