/* QLogic qed NIC Driver * Copyright (c) 2015 QLogic Corporation * * This software is available under the terms of the GNU General Public License * (GPL) Version 2, available from the file COPYING in the main directory of * this source tree. */ #ifndef _QED_MCP_H #define _QED_MCP_H #include #include #include #include #include "qed_hsi.h" struct qed_mcp_link_speed_params { bool autoneg; u32 advertised_speeds; /* bitmask of DRV_SPEED_CAPABILITY */ u32 forced_speed; /* In Mb/s */ }; struct qed_mcp_link_pause_params { bool autoneg; bool forced_rx; bool forced_tx; }; struct qed_mcp_link_params { struct qed_mcp_link_speed_params speed; struct qed_mcp_link_pause_params pause; u32 loopback_mode; }; struct qed_mcp_link_capabilities { u32 speed_capabilities; }; struct qed_mcp_link_state { bool link_up; u32 min_pf_rate; /* Actual link speed in Mb/s */ u32 line_speed; /* PF max speed in Mb/s, deduced from line_speed * according to PF max bandwidth configuration. */ u32 speed; bool full_duplex; bool an; bool an_complete; bool parallel_detection; bool pfc_enabled; #define QED_LINK_PARTNER_SPEED_1G_HD BIT(0) #define QED_LINK_PARTNER_SPEED_1G_FD BIT(1) #define QED_LINK_PARTNER_SPEED_10G BIT(2) #define QED_LINK_PARTNER_SPEED_20G BIT(3) #define QED_LINK_PARTNER_SPEED_25G BIT(4) #define QED_LINK_PARTNER_SPEED_40G BIT(5) #define QED_LINK_PARTNER_SPEED_50G BIT(6) #define QED_LINK_PARTNER_SPEED_100G BIT(7) u32 partner_adv_speed; bool partner_tx_flow_ctrl_en; bool partner_rx_flow_ctrl_en; #define QED_LINK_PARTNER_SYMMETRIC_PAUSE (1) #define QED_LINK_PARTNER_ASYMMETRIC_PAUSE (2) #define QED_LINK_PARTNER_BOTH_PAUSE (3) u8 partner_adv_pause; bool sfp_tx_fault; }; struct qed_mcp_function_info { u8 pause_on_host; enum qed_pci_personality protocol; u8 bandwidth_min; u8 bandwidth_max; u8 mac[ETH_ALEN]; u64 wwn_port; u64 wwn_node; #define QED_MCP_VLAN_UNSET (0xffff) u16 ovlan; }; struct qed_mcp_nvm_common { u32 offset; u32 param; u32 resp; u32 cmd; }; struct qed_mcp_drv_version { u32 version; u8 name[MCP_DRV_VER_STR_SIZE - 4]; }; struct qed_mcp_lan_stats { u64 ucast_rx_pkts; u64 ucast_tx_pkts; u32 fcs_err; }; struct qed_mcp_fcoe_stats { u64 rx_pkts; u64 tx_pkts; u32 fcs_err; u32 login_failure; }; struct qed_mcp_iscsi_stats { u64 rx_pdus; u64 tx_pdus; u64 rx_bytes; u64 tx_bytes; }; struct qed_mcp_rdma_stats { u64 rx_pkts; u64 tx_pkts; u64 rx_bytes; u64 tx_byts; }; enum qed_mcp_protocol_type { QED_MCP_LAN_STATS, QED_MCP_FCOE_STATS, QED_MCP_ISCSI_STATS, QED_MCP_RDMA_STATS }; union qed_mcp_protocol_stats { struct qed_mcp_lan_stats lan_stats; struct qed_mcp_fcoe_stats fcoe_stats; struct qed_mcp_iscsi_stats iscsi_stats; struct qed_mcp_rdma_stats rdma_stats; }; /** * @brief - returns the link params of the hw function * * @param p_hwfn * * @returns pointer to link params */ struct qed_mcp_link_params *qed_mcp_get_link_params(struct qed_hwfn *); /** * @brief - return the link state of the hw function * * @param p_hwfn * * @returns pointer to link state */ struct qed_mcp_link_state *qed_mcp_get_link_state(struct qed_hwfn *); /** * @brief - return the link capabilities of the hw function * * @param p_hwfn * * @returns pointer to link capabilities */ struct qed_mcp_link_capabilities *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn); /** * @brief Request the MFW to set the the link according to 'link_input'. * * @param p_hwfn * @param p_ptt * @param b_up - raise link if `true'. Reset link if `false'. * * @return int */ int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up); /** * @brief Get the management firmware version value * * @param p_hwfn * @param p_ptt * @param p_mfw_ver - mfw version value * @param p_running_bundle_id - image id in nvram; Optional. * * @return int - 0 - operation was successful. */ int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_mfw_ver, u32 *p_running_bundle_id); /** * @brief Get media type value of the port. * * @param cdev - qed dev pointer * @param mfw_ver - media type value * * @return int - * 0 - Operation was successul. * -EBUSY - Operation failed */ int qed_mcp_get_media_type(struct qed_dev *cdev, u32 *media_type); /** * @brief General function for sending commands to the MCP * mailbox. It acquire mutex lock for the entire * operation, from sending the request until the MCP * response. Waiting for MCP response will be checked up * to 5 seconds every 5ms. * * @param p_hwfn - hw function * @param p_ptt - PTT required for register access * @param cmd - command to be sent to the MCP. * @param param - Optional param * @param o_mcp_resp - The MCP response code (exclude sequence). * @param o_mcp_param- Optional parameter provided by the MCP * response * @return int - 0 - operation * was successul. */ int qed_mcp_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 cmd, u32 param, u32 *o_mcp_resp, u32 *o_mcp_param); /** * @brief - drains the nig, allowing completion to pass in case of pauses. * (Should be called only from sleepable context) * * @param p_hwfn * @param p_ptt */ int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief Get the flash size value * * @param p_hwfn * @param p_ptt * @param p_flash_size - flash size in bytes to be filled. * * @return int - 0 - operation was successul. */ int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_flash_size); /** * @brief Send driver version to MFW * * @param p_hwfn * @param p_ptt * @param version - Version value * @param name - Protocol driver name * * @return int - 0 - operation was successul. */ int qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_drv_version *p_ver); /** * @brief Set LED status * * @param p_hwfn * @param p_ptt * @param mode - LED mode * * @return int - 0 - operation was successful. */ int qed_mcp_set_led(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_led_mode mode); /** * @brief Bist register test * * @param p_hwfn - hw function * @param p_ptt - PTT required for register access * * @return int - 0 - operation was successful. */ int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief Bist clock test * * @param p_hwfn - hw function * @param p_ptt - PTT required for register access * * @return int - 0 - operation was successful. */ int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /* Using hwfn number (and not pf_num) is required since in CMT mode, * same pf_num may be used by two different hwfn * TODO - this shouldn't really be in .h file, but until all fields * required during hw-init will be placed in their correct place in shmem * we need it in qed_dev.c [for readin the nvram reflection in shmem]. */ #define MCP_PF_ID_BY_REL(p_hwfn, rel_pfid) (QED_IS_BB((p_hwfn)->cdev) ? \ ((rel_pfid) | \ ((p_hwfn)->abs_pf_id & 1) << 3) : \ 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)) struct qed_mcp_info { spinlock_t lock; bool block_mb_sending; u32 public_base; u32 drv_mb_addr; u32 mfw_mb_addr; u32 port_addr; u16 drv_mb_seq; u16 drv_pulse_seq; struct qed_mcp_link_params link_input; struct qed_mcp_link_state link_output; struct qed_mcp_link_capabilities link_capabilities; struct qed_mcp_function_info func_info; u8 *mfw_mb_cur; u8 *mfw_mb_shadow; u16 mfw_mb_length; u16 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; u32 mcp_resp; u32 mcp_param; }; /** * @brief Initialize the interface with the MCP * * @param p_hwfn - HW func * @param p_ptt - PTT required for register access * * @return int */ int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief Initialize the port interface with the MCP * * @param p_hwfn * @param p_ptt * Can only be called after `num_ports_in_engines' is set */ void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief Releases resources allocated during the init process. * * @param p_hwfn - HW func * @param p_ptt - PTT required for register access * * @return int */ int qed_mcp_free(struct qed_hwfn *p_hwfn); /** * @brief This function is called from the DPC context. After * pointing PTT to the mfw mb, check for events sent by the MCP * to the driver and ack them. In case a critical event * detected, it will be handled here, otherwise the work will be * queued to a sleepable work-queue. * * @param p_hwfn - HW function * @param p_ptt - PTT required for register access * @return int - 0 - operation * was successul. */ int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @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. * * @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 */ int qed_mcp_load_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_load_code); /** * @brief Read the MFW mailbox into Current buffer. * * @param p_hwfn * @param p_ptt */ void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief Ack to mfw that driver finished FLR process for VFs * * @param p_hwfn * @param p_ptt * @param vfs_to_ack - bit mask of all engine VFs for which the PF acks. * * @param return int - 0 upon success. */ int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *vfs_to_ack); /** * @brief - calls during init to read shmem of all function-related info. * * @param p_hwfn * * @param return 0 upon success. */ int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief - Reset the MCP using mailbox command. * * @param p_hwfn * @param p_ptt * * @param return 0 upon success. */ int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief indicates whether the MFW objects [under mcp_info] are accessible * * @param p_hwfn * * @return true iff MFW is running and mcp_info is initialized */ bool qed_mcp_is_init(struct qed_hwfn *p_hwfn); /** * @brief request MFW to configure MSI-X for a VF * * @param p_hwfn * @param p_ptt * @param vf_id - absolute inside engine * @param num_sbs - number of entries to request * * @return int */ int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 vf_id, u8 num); int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw); int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw); int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_link_state *p_link, u8 max_bw); int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_link_state *p_link, u8 min_bw); #endif