#define NVM_MIN_SIZE SZ_32K
#define NVM_MAX_SIZE SZ_512K
+#define NVM_DATA_DWORDS 16
/* Intel specific NVM offsets */
#define NVM_DEVID 0x05
* @next_hop_index: HopID of the packet when it is routed out from @out_port
* @initial_credits: Number of initial flow control credits allocated for
* the path
+ * @nfc_credits: Number of non-flow controlled buffers allocated for the
+ * @in_port.
*
* Hop configuration is always done on the IN port of a switch.
* in_port and out_port have to be on the same switch. Packets arriving on
int in_counter_index;
int next_hop_index;
unsigned int initial_credits;
+ unsigned int nfc_credits;
};
/**
* struct tb_path - a unidirectional path between two ports
* @tb: Pointer to the domain structure
* @name: Name of the path (used for debugging)
- * @nfc_credits: Number of non flow controlled credits allocated for the path
* @ingress_shared_buffer: Shared buffering used for ingress ports on the path
* @egress_shared_buffer: Shared buffering used for egress ports on the path
* @ingress_fc_enable: Flow control for ingress ports on the path
struct tb_path {
struct tb *tb;
const char *name;
- int nfc_credits;
enum tb_path_port ingress_shared_buffer;
enum tb_path_port egress_shared_buffer;
enum tb_path_port ingress_fc_enable;
#define TB_WAKE_ON_USB4 BIT(2)
#define TB_WAKE_ON_USB3 BIT(3)
#define TB_WAKE_ON_PCIE BIT(4)
+#define TB_WAKE_ON_DP BIT(5)
/**
* struct tb_cm_ops - Connection manager specific operations vector
int (*challenge_switch_key)(struct tb *tb, struct tb_switch *sw,
const u8 *challenge, u8 *response);
int (*disconnect_pcie_paths)(struct tb *tb);
- int (*approve_xdomain_paths)(struct tb *tb, struct tb_xdomain *xd);
- int (*disconnect_xdomain_paths)(struct tb *tb, struct tb_xdomain *xd);
+ int (*approve_xdomain_paths)(struct tb *tb, struct tb_xdomain *xd,
+ int transmit_path, int transmit_ring,
+ int receive_path, int receive_ring);
+ int (*disconnect_xdomain_paths)(struct tb *tb, struct tb_xdomain *xd,
+ int transmit_path, int transmit_ring,
+ int receive_path, int receive_ring);
int (*usb4_switch_op)(struct tb_switch *sw, u16 opcode, u32 *metadata,
u8 *status, const void *tx_data, size_t tx_data_len,
void *rx_data, size_t rx_data_len);
int tb_xdomain_init(void);
void tb_xdomain_exit(void);
-struct tb *tb_domain_alloc(struct tb_nhi *nhi, size_t privsize);
+struct tb *tb_domain_alloc(struct tb_nhi *nhi, int timeout_msec, size_t privsize);
int tb_domain_add(struct tb *tb);
void tb_domain_remove(struct tb *tb);
int tb_domain_suspend_noirq(struct tb *tb);
int tb_domain_approve_switch_key(struct tb *tb, struct tb_switch *sw);
int tb_domain_challenge_switch_key(struct tb *tb, struct tb_switch *sw);
int tb_domain_disconnect_pcie_paths(struct tb *tb);
-int tb_domain_approve_xdomain_paths(struct tb *tb, struct tb_xdomain *xd);
-int tb_domain_disconnect_xdomain_paths(struct tb *tb, struct tb_xdomain *xd);
+int tb_domain_approve_xdomain_paths(struct tb *tb, struct tb_xdomain *xd,
+ int transmit_path, int transmit_ring,
+ int receive_path, int receive_ring);
+int tb_domain_disconnect_xdomain_paths(struct tb *tb, struct tb_xdomain *xd,
+ int transmit_path, int transmit_ring,
+ int receive_path, int receive_ring);
int tb_domain_disconnect_all_paths(struct tb *tb);
static inline struct tb *tb_domain_get(struct tb *tb)
void tb_nvm_free(struct tb_nvm *nvm);
void tb_nvm_exit(void);
+typedef int (*read_block_fn)(void *, unsigned int, void *, size_t);
+typedef int (*write_block_fn)(void *, unsigned int, const void *, size_t);
+
+int tb_nvm_read_data(unsigned int address, void *buf, size_t size,
+ unsigned int retries, read_block_fn read_block,
+ void *read_block_data);
+int tb_nvm_write_data(unsigned int address, const void *buf, size_t size,
+ unsigned int retries, write_block_fn write_next_block,
+ void *write_block_data);
+
struct tb_switch *tb_switch_alloc(struct tb *tb, struct device *parent,
u64 route);
struct tb_switch *tb_switch_alloc_safe_mode(struct tb *tb,
return false;
}
-static inline bool tb_switch_is_ice_lake(const struct tb_switch *sw)
-{
- if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) {
- switch (sw->config.device_id) {
- case PCI_DEVICE_ID_INTEL_ICL_NHI0:
- case PCI_DEVICE_ID_INTEL_ICL_NHI1:
- return true;
- }
- }
- return false;
-}
-
-static inline bool tb_switch_is_tiger_lake(const struct tb_switch *sw)
-{
- if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) {
- switch (sw->config.device_id) {
- case PCI_DEVICE_ID_INTEL_TGL_NHI0:
- case PCI_DEVICE_ID_INTEL_TGL_NHI1:
- case PCI_DEVICE_ID_INTEL_TGL_H_NHI0:
- case PCI_DEVICE_ID_INTEL_TGL_H_NHI1:
- return true;
- }
- }
- return false;
-}
-
/**
* tb_switch_is_usb4() - Is the switch USB4 compliant
* @sw: Switch to check
int tb_wait_for_port(struct tb_port *port, bool wait_if_unplugged);
int tb_port_add_nfc_credits(struct tb_port *port, int credits);
-int tb_port_set_initial_credits(struct tb_port *port, u32 credits);
int tb_port_clear_counter(struct tb_port *port, int counter);
int tb_port_unlock(struct tb_port *port);
int tb_port_enable(struct tb_port *port);