diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_mcp.h')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_mcp.h | 225 |
1 files changed, 191 insertions, 34 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.h b/drivers/net/ethernet/qlogic/qed/qed_mcp.h index 368e88de146c..5ae35d6cc7d1 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.h +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.h @@ -39,6 +39,7 @@ #include <linux/spinlock.h> #include <linux/qed/qed_fcoe_if.h> #include "qed_hsi.h" +#include "qed_dev_api.h" struct qed_mcp_link_speed_params { bool autoneg; @@ -479,14 +480,18 @@ int qed_mcp_bist_nvm_test_get_image_att(struct qed_hwfn *p_hwfn, rel_pfid) #define MCP_PF_ID(p_hwfn) MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id) -/* TODO - this is only correct as long as only BB is supported, and - * no port-swapping is implemented; Afterwards we'll need to fix it. - */ -#define MFW_PORT(_p_hwfn) ((_p_hwfn)->abs_pf_id % \ - ((_p_hwfn)->cdev->num_ports_in_engines * 2)) +#define MFW_PORT(_p_hwfn) ((_p_hwfn)->abs_pf_id % \ + ((_p_hwfn)->cdev->num_ports_in_engines * \ + qed_device_num_engines((_p_hwfn)->cdev))) + struct qed_mcp_info { - /* Spinlock used for protecting the access to the MFW mailbox */ - spinlock_t lock; + /* List for mailbox commands which were sent and wait for a response */ + struct list_head cmd_list; + + /* Spinlock used for protecting the access to the mailbox commands list + * and the sending of the commands. + */ + spinlock_t cmd_lock; /* Spinlock used for syncing SW link-changes and link-changes * originating from attention context. @@ -506,14 +511,16 @@ struct qed_mcp_info { u8 *mfw_mb_cur; u8 *mfw_mb_shadow; u16 mfw_mb_length; - u16 mcp_hist; + u32 mcp_hist; }; struct qed_mcp_mb_params { u32 cmd; u32 param; - union drv_union_data *p_data_src; - union drv_union_data *p_data_dst; + void *p_data_src; + u8 data_src_size; + void *p_data_dst; + u8 data_dst_size; u32 mcp_resp; u32 mcp_param; }; @@ -564,27 +571,55 @@ int qed_mcp_free(struct qed_hwfn *p_hwfn); int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); +enum qed_drv_role { + QED_DRV_ROLE_OS, + QED_DRV_ROLE_KDUMP, +}; + +struct qed_load_req_params { + /* Input params */ + enum qed_drv_role drv_role; + u8 timeout_val; + bool avoid_eng_reset; + enum qed_override_force_load override_force_load; + + /* Output params */ + u32 load_code; +}; + /** - * @brief Sends a LOAD_REQ to the MFW, and in case operation - * succeed, returns whether this PF is the first on the - * chip/engine/port or function. This function should be - * called when driver is ready to accept MFW events after - * Storms initializations are done. + * @brief Sends a LOAD_REQ to the MFW, and in case the operation succeeds, + * returns whether this PF is the first on the engine/port or function. * - * @param p_hwfn - hw function - * @param p_ptt - PTT required for register access - * @param p_load_code - The MCP response param containing one - * of the following: - * FW_MSG_CODE_DRV_LOAD_ENGINE - * FW_MSG_CODE_DRV_LOAD_PORT - * FW_MSG_CODE_DRV_LOAD_FUNCTION - * @return int - - * 0 - Operation was successul. - * -EBUSY - Operation failed + * @param p_hwfn + * @param p_ptt + * @param p_params + * + * @return int - 0 - Operation was successful. */ int qed_mcp_load_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, - u32 *p_load_code); + struct qed_load_req_params *p_params); + +/** + * @brief Sends a UNLOAD_REQ message to the MFW + * + * @param p_hwfn + * @param p_ptt + * + * @return int - 0 - Operation was successful. + */ +int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); + +/** + * @brief Sends a UNLOAD_DONE message to the MFW + * + * @param p_hwfn + * @param p_ptt + * + * @return int - 0 - Operation was successful. + */ +int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief Read the MFW mailbox into Current buffer. @@ -708,6 +743,41 @@ int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 mask_parities); /** + * @brief - Sets the MFW's max value for the given resource + * + * @param p_hwfn + * @param p_ptt + * @param res_id + * @param resc_max_val + * @param p_mcp_resp + * + * @return int - 0 - operation was successful. + */ +int +qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + enum qed_resources res_id, + u32 resc_max_val, u32 *p_mcp_resp); + +/** + * @brief - Gets the MFW allocation info for the given resource + * + * @param p_hwfn + * @param p_ptt + * @param res_id + * @param p_mcp_resp + * @param p_resc_num + * @param p_resc_start + * + * @return int - 0 - operation was successful. + */ +int +qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + enum qed_resources res_id, + u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start); + +/** * @brief Send eswitch mode to MFW * * @param p_hwfn @@ -720,19 +790,106 @@ int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_ov_eswitch eswitch); +#define QED_MCP_RESC_LOCK_MIN_VAL RESOURCE_DUMP +#define QED_MCP_RESC_LOCK_MAX_VAL 31 + +enum qed_resc_lock { + QED_RESC_LOCK_DBG_DUMP = QED_MCP_RESC_LOCK_MIN_VAL, + QED_RESC_LOCK_PTP_PORT0, + QED_RESC_LOCK_PTP_PORT1, + QED_RESC_LOCK_PTP_PORT2, + QED_RESC_LOCK_PTP_PORT3, + QED_RESC_LOCK_RESC_ALLOC = QED_MCP_RESC_LOCK_MAX_VAL, + QED_RESC_LOCK_RESC_INVALID +}; + /** - * @brief - Gets the MFW allocation info for the given resource + * @brief - Initiates PF FLR * * @param p_hwfn * @param p_ptt - * @param p_resc_info - descriptor of requested resource - * @param p_mcp_resp - * @param p_mcp_param * * @return int - 0 - operation was successful. */ -int qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn, - struct qed_ptt *p_ptt, - struct resource_info *p_resc_info, - u32 *p_mcp_resp, u32 *p_mcp_param); +int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); +struct qed_resc_lock_params { + /* Resource number [valid values are 0..31] */ + u8 resource; + + /* Lock timeout value in seconds [default, none or 1..254] */ + u8 timeout; +#define QED_MCP_RESC_LOCK_TO_DEFAULT 0 +#define QED_MCP_RESC_LOCK_TO_NONE 255 + + /* Number of times to retry locking */ + u8 retry_num; +#define QED_MCP_RESC_LOCK_RETRY_CNT_DFLT 10 + + /* The interval in usec between retries */ + u16 retry_interval; +#define QED_MCP_RESC_LOCK_RETRY_VAL_DFLT 10000 + + /* Use sleep or delay between retries */ + bool sleep_b4_retry; + + /* Will be set as true if the resource is free and granted */ + bool b_granted; + + /* Will be filled with the resource owner. + * [0..15 = PF0-15, 16 = MFW] + */ + u8 owner; +}; + +/** + * @brief Acquires MFW generic resource lock + * + * @param p_hwfn + * @param p_ptt + * @param p_params + * + * @return int - 0 - operation was successful. + */ +int +qed_mcp_resc_lock(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params); + +struct qed_resc_unlock_params { + /* Resource number [valid values are 0..31] */ + u8 resource; + + /* Allow to release a resource even if belongs to another PF */ + bool b_force; + + /* Will be set as true if the resource is released */ + bool b_released; +}; + +/** + * @brief Releases MFW generic resource lock + * + * @param p_hwfn + * @param p_ptt + * @param p_params + * + * @return int - 0 - operation was successful. + */ +int +qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_resc_unlock_params *p_params); + +/** + * @brief - default initialization for lock/unlock resource structs + * + * @param p_lock - lock params struct to be initialized; Can be NULL + * @param p_unlock - unlock params struct to be initialized; Can be NULL + * @param resource - the requested resource + * @paral b_is_permanent - disable retries & aging when set + */ +void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock, + struct qed_resc_unlock_params *p_unlock, + enum qed_resc_lock + resource, bool b_is_permanent); + #endif |