// SPDX-License-Identifier: GPL-2.0-only /* * QLogic Fibre Channel HBA Driver * Copyright (c) 2003-2014 QLogic Corporation */ #include <linux/vmalloc.h> #include <linux/delay.h> #include "qla_def.h" #include "qla_gbl.h" #define TIMEOUT_100_MS … static const uint32_t qla8044_reg_tbl[] = …; /* 8044 Flash Read/Write functions */ uint32_t qla8044_rd_reg(struct qla_hw_data *ha, ulong addr) { … } void qla8044_wr_reg(struct qla_hw_data *ha, ulong addr, uint32_t val) { … } int qla8044_rd_direct(struct scsi_qla_host *vha, const uint32_t crb_reg) { … } void qla8044_wr_direct(struct scsi_qla_host *vha, const uint32_t crb_reg, const uint32_t value) { … } static int qla8044_set_win_base(scsi_qla_host_t *vha, uint32_t addr) { … } static int qla8044_rd_reg_indirect(scsi_qla_host_t *vha, uint32_t addr, uint32_t *data) { … } static int qla8044_wr_reg_indirect(scsi_qla_host_t *vha, uint32_t addr, uint32_t data) { … } /* * qla8044_read_write_crb_reg - Read from raddr and write value to waddr. * * @ha : Pointer to adapter structure * @raddr : CRB address to read from * @waddr : CRB address to write to * */ static void qla8044_read_write_crb_reg(struct scsi_qla_host *vha, uint32_t raddr, uint32_t waddr) { … } static int qla8044_poll_wait_for_ready(struct scsi_qla_host *vha, uint32_t addr1, uint32_t mask) { … } static uint32_t qla8044_ipmdio_rd_reg(struct scsi_qla_host *vha, uint32_t addr1, uint32_t addr3, uint32_t mask, uint32_t addr) { … } static int qla8044_poll_wait_ipmdio_bus_idle(struct scsi_qla_host *vha, uint32_t addr1, uint32_t addr2, uint32_t addr3, uint32_t mask) { … } static int qla8044_ipmdio_wr_reg(struct scsi_qla_host *vha, uint32_t addr1, uint32_t addr3, uint32_t mask, uint32_t addr, uint32_t value) { … } /* * qla8044_rmw_crb_reg - Read value from raddr, AND with test_mask, * Shift Left,Right/OR/XOR with values RMW header and write value to waddr. * * @vha : Pointer to adapter structure * @raddr : CRB address to read from * @waddr : CRB address to write to * @p_rmw_hdr : header with shift/or/xor values. * */ static void qla8044_rmw_crb_reg(struct scsi_qla_host *vha, uint32_t raddr, uint32_t waddr, struct qla8044_rmw *p_rmw_hdr) { … } static inline void qla8044_set_qsnt_ready(struct scsi_qla_host *vha) { … } void qla8044_clear_qsnt_ready(struct scsi_qla_host *vha) { … } /** * qla8044_lock_recovery - Recovers the idc_lock. * @vha : Pointer to adapter structure * * Lock Recovery Register * 5-2 Lock recovery owner: Function ID of driver doing lock recovery, * valid if bits 1..0 are set by driver doing lock recovery. * 1-0 1 - Driver intends to force unlock the IDC lock. * 2 - Driver is moving forward to unlock the IDC lock. Driver clears * this field after force unlocking the IDC lock. * * Lock Recovery process * a. Read the IDC_LOCK_RECOVERY register. If the value in bits 1..0 is * greater than 0, then wait for the other driver to unlock otherwise * move to the next step. * b. Indicate intent to force-unlock by writing 1h to the IDC_LOCK_RECOVERY * register bits 1..0 and also set the function# in bits 5..2. * c. Read the IDC_LOCK_RECOVERY register again after a delay of 200ms. * Wait for the other driver to perform lock recovery if the function * number in bits 5..2 has changed, otherwise move to the next step. * d. Write a value of 2h to the IDC_LOCK_RECOVERY register bits 1..0 * leaving your function# in bits 5..2. * e. Force unlock using the DRIVER_UNLOCK register and immediately clear * the IDC_LOCK_RECOVERY bits 5..0 by writing 0. **/ static int qla8044_lock_recovery(struct scsi_qla_host *vha) { … } int qla8044_idc_lock(struct qla_hw_data *ha) { … } void qla8044_idc_unlock(struct qla_hw_data *ha) { … } /* 8044 Flash Lock/Unlock functions */ static int qla8044_flash_lock(scsi_qla_host_t *vha) { … } static void qla8044_flash_unlock(scsi_qla_host_t *vha) { … } static void qla8044_flash_lock_recovery(struct scsi_qla_host *vha) { … } /* * Address and length are byte address */ static int qla8044_read_flash_data(scsi_qla_host_t *vha, uint8_t *p_data, uint32_t flash_addr, int u32_word_count) { … } /* * Address and length are byte address */ void * qla8044_read_optrom_data(struct scsi_qla_host *vha, void *buf, uint32_t offset, uint32_t length) { … } static inline int qla8044_need_reset(struct scsi_qla_host *vha) { … } /* * qla8044_write_list - Write the value (p_entry->arg2) to address specified * by p_entry->arg1 for all entries in header with delay of p_hdr->delay between * entries. * * @vha : Pointer to adapter structure * @p_hdr : reset_entry header for WRITE_LIST opcode. * */ static void qla8044_write_list(struct scsi_qla_host *vha, struct qla8044_reset_entry_hdr *p_hdr) { … } /* * qla8044_read_write_list - Read from address specified by p_entry->arg1, * write value read to address specified by p_entry->arg2, for all entries in * header with delay of p_hdr->delay between entries. * * @vha : Pointer to adapter structure * @p_hdr : reset_entry header for READ_WRITE_LIST opcode. * */ static void qla8044_read_write_list(struct scsi_qla_host *vha, struct qla8044_reset_entry_hdr *p_hdr) { … } /* * qla8044_poll_reg - Poll the given CRB addr for duration msecs till * value read ANDed with test_mask is equal to test_result. * * @ha : Pointer to adapter structure * @addr : CRB register address * @duration : Poll for total of "duration" msecs * @test_mask : Mask value read with "test_mask" * @test_result : Compare (value&test_mask) with test_result. * * Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED */ static int qla8044_poll_reg(struct scsi_qla_host *vha, uint32_t addr, int duration, uint32_t test_mask, uint32_t test_result) { … } /* * qla8044_poll_list - For all entries in the POLL_LIST header, poll read CRB * register specified by p_entry->arg1 and compare (value AND test_mask) with * test_result to validate it. Wait for p_hdr->delay between processing entries. * * @ha : Pointer to adapter structure * @p_hdr : reset_entry header for POLL_LIST opcode. * */ static void qla8044_poll_list(struct scsi_qla_host *vha, struct qla8044_reset_entry_hdr *p_hdr) { … } /* * qla8044_poll_write_list - Write dr_value, ar_value to dr_addr/ar_addr, * read ar_addr, if (value& test_mask != test_mask) re-read till timeout * expires. * * @vha : Pointer to adapter structure * @p_hdr : reset entry header for POLL_WRITE_LIST opcode. * */ static void qla8044_poll_write_list(struct scsi_qla_host *vha, struct qla8044_reset_entry_hdr *p_hdr) { … } /* * qla8044_read_modify_write - Read value from p_entry->arg1, modify the * value, write value to p_entry->arg2. Process entries with p_hdr->delay * between entries. * * @vha : Pointer to adapter structure * @p_hdr : header with shift/or/xor values. * */ static void qla8044_read_modify_write(struct scsi_qla_host *vha, struct qla8044_reset_entry_hdr *p_hdr) { … } /* * qla8044_pause - Wait for p_hdr->delay msecs, called between processing * two entries of a sequence. * * @vha : Pointer to adapter structure * @p_hdr : Common reset entry header. * */ static void qla8044_pause(struct scsi_qla_host *vha, struct qla8044_reset_entry_hdr *p_hdr) { … } /* * qla8044_template_end - Indicates end of reset sequence processing. * * @vha : Pointer to adapter structure * @p_hdr : Common reset entry header. * */ static void qla8044_template_end(struct scsi_qla_host *vha, struct qla8044_reset_entry_hdr *p_hdr) { … } /* * qla8044_poll_read_list - Write ar_value to ar_addr register, read ar_addr, * if (value & test_mask != test_value) re-read till timeout value expires, * read dr_addr register and assign to reset_tmplt.array. * * @vha : Pointer to adapter structure * @p_hdr : Common reset entry header. * */ static void qla8044_poll_read_list(struct scsi_qla_host *vha, struct qla8044_reset_entry_hdr *p_hdr) { … } /* * qla8031_process_reset_template - Process all entries in reset template * till entry with SEQ_END opcode, which indicates end of the reset template * processing. Each entry has a Reset Entry header, entry opcode/command, with * size of the entry, number of entries in sub-sequence and delay in microsecs * or timeout in millisecs. * * @ha : Pointer to adapter structure * @p_buff : Common reset entry header. * */ static void qla8044_process_reset_template(struct scsi_qla_host *vha, char *p_buff) { … } static void qla8044_process_init_seq(struct scsi_qla_host *vha) { … } static void qla8044_process_stop_seq(struct scsi_qla_host *vha) { … } static void qla8044_process_start_seq(struct scsi_qla_host *vha) { … } static int qla8044_lockless_flash_read_u32(struct scsi_qla_host *vha, uint32_t flash_addr, uint8_t *p_data, int u32_word_count) { … } /* * qla8044_ms_mem_write_128b - Writes data to MS/off-chip memory * * @vha : Pointer to adapter structure * addr : Flash address to write to * data : Data to be written * count : word_count to be written * * Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED */ static int qla8044_ms_mem_write_128b(struct scsi_qla_host *vha, uint64_t addr, uint32_t *data, uint32_t count) { … } static int qla8044_copy_bootloader(struct scsi_qla_host *vha) { … } static int qla8044_restart(struct scsi_qla_host *vha) { … } /* * qla8044_check_cmd_peg_status - Check peg status to see if Peg is * initialized. * * @ha : Pointer to adapter structure * * Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED */ static int qla8044_check_cmd_peg_status(struct scsi_qla_host *vha) { … } static int qla8044_start_firmware(struct scsi_qla_host *vha) { … } void qla8044_clear_drv_active(struct qla_hw_data *ha) { … } /* * qla8044_device_bootstrap - Initialize device, set DEV_READY, start fw * @ha: pointer to adapter structure * * Note: IDC lock must be held upon entry **/ static int qla8044_device_bootstrap(struct scsi_qla_host *vha) { … } /*-------------------------Reset Sequence Functions-----------------------*/ static void qla8044_dump_reset_seq_hdr(struct scsi_qla_host *vha) { … } /* * qla8044_reset_seq_checksum_test - Validate Reset Sequence template. * * @ha : Pointer to adapter structure * * Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED */ static int qla8044_reset_seq_checksum_test(struct scsi_qla_host *vha) { … } /* * qla8044_read_reset_template - Read Reset Template from Flash, validate * the template and store offsets of stop/start/init offsets in ha->reset_tmplt. * * @ha : Pointer to adapter structure */ void qla8044_read_reset_template(struct scsi_qla_host *vha) { … } void qla8044_set_idc_dontreset(struct scsi_qla_host *vha) { … } static inline void qla8044_set_rst_ready(struct scsi_qla_host *vha) { … } /** * qla8044_need_reset_handler - Code to start reset sequence * @vha: pointer to adapter structure * * Note: IDC lock must be held upon entry */ static void qla8044_need_reset_handler(struct scsi_qla_host *vha) { … } static void qla8044_set_drv_active(struct scsi_qla_host *vha) { … } static int qla8044_check_drv_active(struct scsi_qla_host *vha) { … } static void qla8044_clear_idc_dontreset(struct scsi_qla_host *vha) { … } static int qla8044_set_idc_ver(struct scsi_qla_host *vha) { … } static int qla8044_update_idc_reg(struct scsi_qla_host *vha) { … } /** * qla8044_need_qsnt_handler - Code to start qsnt * @vha: pointer to adapter structure */ static void qla8044_need_qsnt_handler(struct scsi_qla_host *vha) { … } /* * qla8044_device_state_handler - Adapter state machine * @ha: pointer to host adapter structure. * * Note: IDC lock must be UNLOCKED upon entry **/ int qla8044_device_state_handler(struct scsi_qla_host *vha) { … } /** * qla8044_check_temp - Check the ISP82XX temperature. * @vha: adapter block pointer. * * Note: The caller should not hold the idc lock. */ static int qla8044_check_temp(struct scsi_qla_host *vha) { … } int qla8044_read_temperature(scsi_qla_host_t *vha) { … } /** * qla8044_check_fw_alive - Check firmware health * @vha: Pointer to host adapter structure. * * Context: Interrupt */ int qla8044_check_fw_alive(struct scsi_qla_host *vha) { … } void qla8044_watchdog(struct scsi_qla_host *vha) { … } static int qla8044_minidump_process_control(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr) { … } static void qla8044_minidump_process_rdcrb(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static int qla8044_minidump_process_rdmem(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } /* ISP83xx flash read for _RDROM _BOARD */ static uint32_t qla8044_minidump_process_rdrom(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla8044_mark_entry_skipped(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, int index) { … } static int qla8044_minidump_process_l2tag(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla8044_minidump_process_l1cache(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla8044_minidump_process_rdocm(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla8044_minidump_process_rdmux(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla8044_minidump_process_queue(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } /* ISP83xx functions to process new minidump entries... */ static uint32_t qla8044_minidump_process_pollrd(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla8044_minidump_process_rdmux2(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla8044_minidump_process_pollrdmwr(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } #define ISP8044_PEX_DMA_ENGINE_INDEX … #define ISP8044_PEX_DMA_BASE_ADDRESS … #define ISP8044_PEX_DMA_NUM_OFFSET … #define ISP8044_PEX_DMA_CMD_ADDR_LOW … #define ISP8044_PEX_DMA_CMD_ADDR_HIGH … #define ISP8044_PEX_DMA_CMD_STS_AND_CNTRL … #define ISP8044_PEX_DMA_READ_SIZE … #define ISP8044_PEX_DMA_MAX_WAIT … static int qla8044_check_dma_engine_state(struct scsi_qla_host *vha) { … } static int qla8044_start_pex_dma(struct scsi_qla_host *vha, struct qla8044_minidump_entry_rdmem_pex_dma *m_hdr) { … } static int qla8044_minidump_pex_dma_read(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla8044_minidump_process_rddfe(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla8044_minidump_process_rdmdio(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla8044_minidump_process_pollwr(struct scsi_qla_host *vha, struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } /* * * qla8044_collect_md_data - Retrieve firmware minidump data. * @ha: pointer to adapter structure **/ int qla8044_collect_md_data(struct scsi_qla_host *vha) { … } void qla8044_get_minidump(struct scsi_qla_host *vha) { … } static int qla8044_poll_flash_status_reg(struct scsi_qla_host *vha) { … } static int qla8044_write_flash_status_reg(struct scsi_qla_host *vha, uint32_t data) { … } /* * This function assumes that the flash lock is held. */ static int qla8044_unprotect_flash(scsi_qla_host_t *vha) { … } /* * This function assumes that the flash lock is held. */ static int qla8044_protect_flash(scsi_qla_host_t *vha) { … } static int qla8044_erase_flash_sector(struct scsi_qla_host *vha, uint32_t sector_start_addr) { … } /* * qla8044_flash_write_u32 - Write data to flash * * @ha : Pointer to adapter structure * addr : Flash address to write to * p_data : Data to be written * * Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED * * NOTE: Lock should be held on entry */ static int qla8044_flash_write_u32(struct scsi_qla_host *vha, uint32_t addr, uint32_t *p_data) { … } static int qla8044_write_flash_buffer_mode(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, uint32_t dwords) { … } static int qla8044_write_flash_dword_mode(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, uint32_t dwords) { … } int qla8044_write_optrom_data(struct scsi_qla_host *vha, void *buf, uint32_t offset, uint32_t length) { … } #define LEG_INT_PTR_B31 … #define LEG_INT_PTR_B30 … #define PF_BITS_MASK … /** * qla8044_intr_handler() - Process interrupts for the ISP8044 * @irq: interrupt number * @dev_id: SCSI driver HA context * * Called by system whenever the host adapter generates an interrupt. * * Returns handled flag. */ irqreturn_t qla8044_intr_handler(int irq, void *dev_id) { … } static int qla8044_idc_dontreset(struct qla_hw_data *ha) { … } static void qla8044_clear_rst_ready(scsi_qla_host_t *vha) { … } int qla8044_abort_isp(scsi_qla_host_t *vha) { … } void qla8044_fw_dump(scsi_qla_host_t *vha) { … }
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