Merge tag 'trace-v5.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
[linux-2.6-microblaze.git] / drivers / scsi / lpfc / lpfc.h
index f8de0d1..1702886 100644 (file)
@@ -266,6 +266,7 @@ struct lpfc_stats {
        uint32_t elsRcvECHO;
        uint32_t elsRcvLCB;
        uint32_t elsRcvRDP;
+       uint32_t elsRcvRDF;
        uint32_t elsXmitFLOGI;
        uint32_t elsXmitFDISC;
        uint32_t elsXmitPLOGI;
@@ -303,6 +304,64 @@ struct lpfc_stats {
 struct lpfc_hba;
 
 
+#define LPFC_VMID_TIMER   300  /* timer interval in seconds */
+
+#define LPFC_MAX_VMID_SIZE      256
+#define LPFC_COMPRESS_VMID_SIZE 16
+
+union lpfc_vmid_io_tag {
+       u32 app_id;     /* App Id vmid */
+       u8 cs_ctl_vmid; /* Priority tag vmid */
+};
+
+#define JIFFIES_PER_HR (HZ * 60 * 60)
+
+struct lpfc_vmid {
+       u8 flag;
+#define LPFC_VMID_SLOT_FREE     0x0
+#define LPFC_VMID_SLOT_USED     0x1
+#define LPFC_VMID_REQ_REGISTER  0x2
+#define LPFC_VMID_REGISTERED    0x4
+#define LPFC_VMID_DE_REGISTER   0x8
+       char host_vmid[LPFC_MAX_VMID_SIZE];
+       union lpfc_vmid_io_tag un;
+       struct hlist_node hnode;
+       u64 io_rd_cnt;
+       u64 io_wr_cnt;
+       u8 vmid_len;
+       u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */
+       u32 hash_index;
+       u64 __percpu *last_io_time;
+};
+
+#define lpfc_vmid_is_type_priority_tag(vport)\
+       (vport->vmid_priority_tagging ? 1 : 0)
+
+#define LPFC_VMID_HASH_SIZE     256
+#define LPFC_VMID_HASH_MASK     255
+#define LPFC_VMID_HASH_SHIFT    6
+
+struct lpfc_vmid_context {
+       struct lpfc_vmid *vmp;
+       struct lpfc_nodelist *nlp;
+       bool instantiated;
+};
+
+struct lpfc_vmid_priority_range {
+       u8 low;
+       u8 high;
+       u8 qos;
+};
+
+struct lpfc_vmid_priority_info {
+       u32 num_descriptors;
+       struct lpfc_vmid_priority_range *vmid_range;
+};
+
+#define QFPA_EVEN_ONLY 0x01
+#define QFPA_ODD_ONLY  0x02
+#define QFPA_EVEN_ODD  0x03
+
 enum discovery_state {
        LPFC_VPORT_UNKNOWN     =  0,    /* vport state is unknown */
        LPFC_VPORT_FAILED      =  1,    /* vport has failed */
@@ -442,6 +501,9 @@ struct lpfc_vport {
 #define WORKER_RAMP_DOWN_QUEUE         0x800   /* hba: Decrease Q depth */
 #define WORKER_RAMP_UP_QUEUE           0x1000  /* hba: Increase Q depth */
 #define WORKER_SERVICE_TXQ             0x2000  /* hba: IOCBs on the txq */
+#define WORKER_CHECK_INACTIVE_VMID     0x4000  /* hba: check inactive vmids */
+#define WORKER_CHECK_VMID_ISSUE_QFPA   0x8000  /* vport: Check if qfpa needs
+                                                * to be issued */
 
        struct timer_list els_tmofunc;
        struct timer_list delayed_disc_tmo;
@@ -452,6 +514,8 @@ struct lpfc_vport {
 #define FC_LOADING             0x1     /* HBA in process of loading drvr */
 #define FC_UNLOADING           0x2     /* HBA in process of unloading drvr */
 #define FC_ALLOW_FDMI          0x4     /* port is ready for FDMI requests */
+#define FC_ALLOW_VMID          0x8     /* Allow VMID I/Os */
+#define FC_DEREGISTER_ALL_APP_ID       0x10    /* Deregister all VMIDs */
        /* Vport Config Parameters */
        uint32_t cfg_scan_down;
        uint32_t cfg_lun_queue_depth;
@@ -470,9 +534,36 @@ struct lpfc_vport {
        uint32_t cfg_tgt_queue_depth;
        uint32_t cfg_first_burst_size;
        uint32_t dev_loss_tmo_changed;
+       /* VMID parameters */
+       u8 lpfc_vmid_host_uuid[LPFC_COMPRESS_VMID_SIZE];
+       u32 max_vmid;   /* maximum VMIDs allowed per port */
+       u32 cur_vmid_cnt;       /* Current VMID count */
+#define LPFC_MIN_VMID  4
+#define LPFC_MAX_VMID  255
+       u32 vmid_inactivity_timeout;    /* Time after which the VMID */
+                                               /* deregisters from switch */
+       u32 vmid_priority_tagging;
+#define LPFC_VMID_PRIO_TAG_DISABLE     0 /* Disable */
+#define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */
+#define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */
+       unsigned long *vmid_priority_range;
+#define LPFC_VMID_MAX_PRIORITY_RANGE    256
+#define LPFC_VMID_PRIORITY_BITMAP_SIZE  32
+       u8 vmid_flag;
+#define LPFC_VMID_IN_USE               0x1
+#define LPFC_VMID_ISSUE_QFPA           0x2
+#define LPFC_VMID_QFPA_CMPL            0x4
+#define LPFC_VMID_QOS_ENABLED          0x8
+#define LPFC_VMID_TIMER_ENBLD          0x10
+       struct fc_qfpa_res *qfpa_res;
 
        struct fc_vport *fc_vport;
 
+       struct lpfc_vmid *vmid;
+       DECLARE_HASHTABLE(hash_table, 8);
+       rwlock_t vmid_lock;
+       struct lpfc_vmid_priority_info vmid_priority;
+
 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
        struct dentry *debug_disc_trc;
        struct dentry *debug_nodelist;
@@ -915,6 +1006,7 @@ struct lpfc_hba {
        uint32_t cfg_request_firmware_upgrade;
        uint32_t cfg_suppress_link_up;
        uint32_t cfg_rrq_xri_bitmap_sz;
+       u32      cfg_fcp_wait_abts_rsp;
        uint32_t cfg_delay_discovery;
        uint32_t cfg_sli_mode;
 #define LPFC_INITIALIZE_LINK              0    /* do normal init_link mbox */
@@ -938,6 +1030,13 @@ struct lpfc_hba {
        struct nvmet_fc_target_port *targetport;
        lpfc_vpd_t vpd;         /* vital product data */
 
+       u32 cfg_max_vmid;       /* maximum VMIDs allowed per port */
+       u32 cfg_vmid_app_header;
+#define LPFC_VMID_APP_HEADER_DISABLE   0
+#define LPFC_VMID_APP_HEADER_ENABLE    1
+       u32 cfg_vmid_priority_tagging;
+       u32 cfg_vmid_inactivity_timeout;        /* Time after which the VMID */
+                                               /* deregisters from switch */
        struct pci_dev *pcidev;
        struct list_head      work_list;
        uint32_t              work_ha;      /* Host Attention Bits for WT */
@@ -1178,6 +1277,7 @@ struct lpfc_hba {
        struct list_head ct_ev_waiters;
        struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
        uint32_t ctx_idx;
+       struct timer_list inactive_vmid_poll;
 
        /* RAS Support */
        struct lpfc_ras_fwlog ras_fwlog;
@@ -1419,3 +1519,27 @@ static const char *routine(enum enum_name table_key)                     \
        }                                                               \
        return name;                                                    \
 }
+
+/**
+ * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
+ * @phba: Pointer to HBA context object.
+ *
+ * Relationship between the enable, target support and if vmid tag is required
+ * for the particular combination
+ * ---------------------------------------------------
+ * Switch    Enable Flag  Target Support  VMID Needed
+ * ---------------------------------------------------
+ * App Id     0              NA              N
+ * App Id     1               0              N
+ * App Id     1               1              Y
+ * Pr Tag     0              NA              N
+ * Pr Tag     1               0              N
+ * Pr Tag     1               1              Y
+ * Pr Tag     2               *              Y
+ ---------------------------------------------------
+ *
+ **/
+static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
+{
+       return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;
+}