// SPDX-License-Identifier: GPL-2.0-only /* * QLogic qlcnic NIC Driver * Copyright (c) 2009-2013 QLogic Corporation */ #include "qlcnic_sriov.h" #include "qlcnic.h" #include "qlcnic_hw.h" /* Reset template definitions */ #define QLC_83XX_RESTART_TEMPLATE_SIZE … #define QLC_83XX_RESET_TEMPLATE_ADDR … #define QLC_83XX_RESET_SEQ_VERSION … #define QLC_83XX_OPCODE_NOP … #define QLC_83XX_OPCODE_WRITE_LIST … #define QLC_83XX_OPCODE_READ_WRITE_LIST … #define QLC_83XX_OPCODE_POLL_LIST … #define QLC_83XX_OPCODE_POLL_WRITE_LIST … #define QLC_83XX_OPCODE_READ_MODIFY_WRITE … #define QLC_83XX_OPCODE_SEQ_PAUSE … #define QLC_83XX_OPCODE_SEQ_END … #define QLC_83XX_OPCODE_TMPL_END … #define QLC_83XX_OPCODE_POLL_READ_LIST … /* EPORT control registers */ #define QLC_83XX_RESET_CONTROL … #define QLC_83XX_RESET_REG … #define QLC_83XX_RESET_PORT0 … #define QLC_83XX_RESET_PORT1 … #define QLC_83XX_RESET_PORT2 … #define QLC_83XX_RESET_PORT3 … #define QLC_83XX_RESET_SRESHIM … #define QLC_83XX_RESET_EPGSHIM … #define QLC_83XX_RESET_ETHERPCS … static int qlcnic_83xx_init_default_driver(struct qlcnic_adapter *adapter); static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev); static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter); static int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev); static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *); static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *); /* Template header */ struct qlc_83xx_reset_hdr { … } __packed; /* Command entry header. */ struct qlc_83xx_entry_hdr { … } __packed; /* Generic poll command */ struct qlc_83xx_poll { … } __packed; /* Read modify write command */ struct qlc_83xx_rmw { … } __packed; /* Generic command with 2 DWORD */ struct qlc_83xx_entry { … } __packed; /* Generic command with 4 DWORD */ struct qlc_83xx_quad_entry { … } __packed; static const char *const qlc_83xx_idc_states[] = …; static int qlcnic_83xx_idc_check_driver_presence_reg(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_idc_log_state_history(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_update_audit_reg(struct qlcnic_adapter *adapter, u8 mode, int lock) { … } static void qlcnic_83xx_idc_update_minor_version(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_update_major_version(struct qlcnic_adapter *adapter, int lock) { … } static int qlcnic_83xx_idc_update_drv_presence_reg(struct qlcnic_adapter *adapter, int status, int lock) { … } static int qlcnic_83xx_idc_check_major_version(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_clear_registers(struct qlcnic_adapter *adapter, int lock) { … } static int qlcnic_83xx_idc_update_drv_ack_reg(struct qlcnic_adapter *adapter, int flag, int lock) { … } static int qlcnic_83xx_idc_check_timeout(struct qlcnic_adapter *adapter, int time_limit) { … } /** * qlcnic_83xx_idc_check_reset_ack_reg * * @adapter: adapter structure * * Check ACK wait limit and clear the functions which failed to ACK * * Return 0 if all functions have acknowledged the reset request. **/ static int qlcnic_83xx_idc_check_reset_ack_reg(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_tx_soft_reset * * @adapter: adapter structure * * Handle context deletion and recreation request from transmit routine * * Returns -EBUSY or Success (0) * **/ static int qlcnic_83xx_idc_tx_soft_reset(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_detach_driver * * @adapter: adapter structure * Detach net interface, stop TX and cleanup resources before the HW reset. * Returns: None * **/ static void qlcnic_83xx_idc_detach_driver(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_attach_driver * * @adapter: adapter structure * * Re-attach and re-enable net interface * Returns: None * **/ static void qlcnic_83xx_idc_attach_driver(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_enter_failed_state(struct qlcnic_adapter *adapter, int lock) { … } static int qlcnic_83xx_idc_enter_init_state(struct qlcnic_adapter *adapter, int lock) { … } static int qlcnic_83xx_idc_enter_need_quiesce(struct qlcnic_adapter *adapter, int lock) { … } static int qlcnic_83xx_idc_enter_need_reset_state(struct qlcnic_adapter *adapter, int lock) { … } static int qlcnic_83xx_idc_enter_ready_state(struct qlcnic_adapter *adapter, int lock) { … } /** * qlcnic_83xx_idc_find_reset_owner_id * * @adapter: adapter structure * * NIC gets precedence over ISCSI and ISCSI has precedence over FCOE. * Within the same class, function with lowest PCI ID assumes ownership * * Returns: reset owner id or failure indication (-EIO) * **/ static int qlcnic_83xx_idc_find_reset_owner_id(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_restart_hw(struct qlcnic_adapter *adapter, int lock) { … } static int qlcnic_83xx_idc_check_fan_failure(struct qlcnic_adapter *adapter) { … } int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_idc_update_idc_params(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_ready_state_entry * * @adapter: adapter structure * * Perform ready state initialization, this routine will get invoked only * once from READY state. * * Returns: Error code or Success(0) * **/ int qlcnic_83xx_idc_ready_state_entry(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_vnic_pf_entry * * @adapter: adapter structure * * Ensure vNIC mode privileged function starts only after vNIC mode is * enabled by management function. * If vNIC mode is ready, start initialization. * * Returns: -EIO or 0 * **/ int qlcnic_83xx_idc_vnic_pf_entry(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_unknown_state(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_cold_state_handler * * @adapter: adapter structure * * If HW is up and running device will enter READY state. * If firmware image from host needs to be loaded, device is * forced to start with the file firmware image. * * Returns: Error code or Success(0) * **/ static int qlcnic_83xx_idc_cold_state_handler(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_init_state * * @adapter: adapter structure * * Reset owner will restart the device from this state. * Device will enter failed state if it remains * in this state for more than DEV_INIT time limit. * * Returns: Error code or Success(0) * **/ static int qlcnic_83xx_idc_init_state(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_ready_state * * @adapter: adapter structure * * Perform IDC protocol specicifed actions after monitoring device state and * events. * * Returns: Error code or Success(0) * **/ static int qlcnic_83xx_idc_ready_state(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_need_reset_state * * @adapter: adapter structure * * Device will remain in this state until: * Reset request ACK's are received from all the functions * Wait time exceeds max time limit * * Returns: Error code or Success(0) * **/ static int qlcnic_83xx_idc_need_reset_state(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_need_quiesce_state(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_quiesce_state(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_check_state_validity(struct qlcnic_adapter *adapter, u32 state) { … } #define QLC_83XX_ENCAP_TYPE_VXLAN … #define QLC_83XX_MATCH_ENCAP_ID … #define QLC_83XX_SET_VXLAN_UDP_DPORT … #define QLC_83XX_VXLAN_UDP_DPORT(PORT) … #define QLCNIC_ENABLE_INGRESS_ENCAP_PARSING … #define QLCNIC_DISABLE_INGRESS_ENCAP_PARSING … int qlcnic_set_vxlan_port(struct qlcnic_adapter *adapter, u16 port) { … } int qlcnic_set_vxlan_parsing(struct qlcnic_adapter *adapter, u16 port) { … } static void qlcnic_83xx_periodic_tasks(struct qlcnic_adapter *adapter) { … } /** * qlcnic_83xx_idc_poll_dev_state * * @work: kernel work queue structure used to schedule the function * * Poll device state periodically and perform state specific * actions defined by Inter Driver Communication (IDC) protocol. * * Returns: None * **/ void qlcnic_83xx_idc_poll_dev_state(struct work_struct *work) { … } static void qlcnic_83xx_setup_idc_parameters(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_idc_first_to_load_function_handler(struct qlcnic_adapter *adapter) { … } int qlcnic_83xx_idc_init(struct qlcnic_adapter *adapter) { … } void qlcnic_83xx_idc_exit(struct qlcnic_adapter *adapter) { … } void qlcnic_83xx_idc_request_reset(struct qlcnic_adapter *adapter, u32 key) { … } static int qlcnic_83xx_copy_bootloader(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_disable_pause_frames(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_take_eport_out_of_reset(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) { … } static int qlcnic_83xx_check_cmd_peg_status(struct qlcnic_adapter *p_dev) { … } static int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev) { … } static int qlcnic_83xx_poll_reg(struct qlcnic_adapter *p_dev, u32 addr, int duration, u32 mask, u32 status) { … } static int qlcnic_83xx_reset_template_checksum(struct qlcnic_adapter *p_dev) { … } static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_dev) { … } /* Read Write HW register command */ static void qlcnic_83xx_read_write_crb_reg(struct qlcnic_adapter *p_dev, u32 raddr, u32 waddr) { … } /* Read Modify Write HW register command */ static void qlcnic_83xx_rmw_crb_reg(struct qlcnic_adapter *p_dev, u32 raddr, u32 waddr, struct qlc_83xx_rmw *p_rmw_hdr) { … } /* Write HW register command */ static void qlcnic_83xx_write_list(struct qlcnic_adapter *p_dev, struct qlc_83xx_entry_hdr *p_hdr) { … } /* Read and Write instruction */ static void qlcnic_83xx_read_write_list(struct qlcnic_adapter *p_dev, struct qlc_83xx_entry_hdr *p_hdr) { … } /* Poll HW register command */ static void qlcnic_83xx_poll_list(struct qlcnic_adapter *p_dev, struct qlc_83xx_entry_hdr *p_hdr) { … } /* Poll and write HW register command */ static void qlcnic_83xx_poll_write_list(struct qlcnic_adapter *p_dev, struct qlc_83xx_entry_hdr *p_hdr) { … } /* Read Modify Write register command */ static void qlcnic_83xx_read_modify_write(struct qlcnic_adapter *p_dev, struct qlc_83xx_entry_hdr *p_hdr) { … } static void qlcnic_83xx_pause(struct qlc_83xx_entry_hdr *p_hdr) { … } /* Read and poll register command */ static void qlcnic_83xx_poll_read_list(struct qlcnic_adapter *p_dev, struct qlc_83xx_entry_hdr *p_hdr) { … } static inline void qlcnic_83xx_seq_end(struct qlcnic_adapter *p_dev) { … } static void qlcnic_83xx_template_end(struct qlcnic_adapter *p_dev) { … } /** * qlcnic_83xx_exec_template_cmd * * @p_dev: adapter structure * @p_buff: Poiter to instruction template * * Template provides instructions to stop, restart and initalize firmware. * These instructions are abstracted as a series of read, write and * poll operations on hardware registers. Register information and operation * specifics are not exposed to the driver. Driver reads the template from * flash and executes the instructions located at pre-defined offsets. * * Returns: None * */ static void qlcnic_83xx_exec_template_cmd(struct qlcnic_adapter *p_dev, char *p_buff) { … } static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev) { … } static void qlcnic_83xx_start_hw(struct qlcnic_adapter *p_dev) { … } static void qlcnic_83xx_init_hw(struct qlcnic_adapter *p_dev) { … } /* POST FW related definations*/ #define QLC_83XX_POST_SIGNATURE_REG … #define QLC_83XX_POST_MODE_REG … #define QLC_83XX_POST_FAST_MODE … #define QLC_83XX_POST_MEDIUM_MODE … #define QLC_83XX_POST_SLOW_MODE … /* POST Timeout values in milliseconds */ #define QLC_83XX_POST_FAST_MODE_TIMEOUT … #define QLC_83XX_POST_MED_MODE_TIMEOUT … #define QLC_83XX_POST_SLOW_MODE_TIMEOUT … /* POST result values */ #define QLC_83XX_POST_PASS … #define QLC_83XX_POST_ASIC_STRESS_TEST_FAIL … #define QLC_83XX_POST_DDR_TEST_FAIL … #define QLC_83XX_POST_ASIC_MEMORY_TEST_FAIL … #define QLC_83XX_POST_FLASH_TEST_FAIL … static int qlcnic_83xx_run_post(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_load_fw_image_from_host(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_get_nic_configuration(struct qlcnic_adapter *adapter) { … } int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_config_buff_descriptors(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_init_default_driver(struct qlcnic_adapter *adapter) { … } #define IS_QLC_83XX_USED(a, b, c) … static void qlcnic_83xx_clear_function_resources(struct qlcnic_adapter *adapter) { … } static int qlcnic_83xx_get_fw_info(struct qlcnic_adapter *adapter) { … } static void qlcnic_83xx_init_rings(struct qlcnic_adapter *adapter) { … } int qlcnic_83xx_init(struct qlcnic_adapter *adapter) { … } void qlcnic_83xx_aer_stop_poll_work(struct qlcnic_adapter *adapter) { … } int qlcnic_83xx_aer_reset(struct qlcnic_adapter *adapter) { … } void qlcnic_83xx_aer_start_poll_work(struct qlcnic_adapter *adapter) { … }
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