// SPDX-License-Identifier: GPL-2.0-only /* * QLogic iSCSI HBA Driver * Copyright (c) 2003-2013 QLogic Corporation */ #include <linux/delay.h> #include <linux/io.h> #include <linux/pci.h> #include <linux/ratelimit.h> #include "ql4_def.h" #include "ql4_glbl.h" #include "ql4_inline.h" #include <linux/io-64-nonatomic-lo-hi.h> #define TIMEOUT_100_MS … #define MASK(n) … #define MN_WIN(addr) … #define OCM_WIN(addr) … #define MS_WIN(addr) … #define QLA82XX_PCI_MN_2M … #define QLA82XX_PCI_MS_2M … #define QLA82XX_PCI_OCM0_2M … #define VALID_OCM_ADDR(addr) … #define GET_MEM_OFFS_2M(addr) … /* CRB window related */ #define CRB_BLK(off) … #define CRB_SUBBLK(off) … #define CRB_WINDOW_2M … #define CRB_HI(off) … #define QLA82XX_PCI_CAMQM_2M_END … #define QLA82XX_PCI_CAMQM_2M_BASE … #define CRB_INDIRECT_2M … static inline void __iomem * qla4_8xxx_pci_base_offsetfset(struct scsi_qla_host *ha, unsigned long off) { … } static const int MD_MIU_TEST_AGT_RDDATA[] = …; #define MAX_CRB_XFORM … static unsigned long crb_addr_xform[MAX_CRB_XFORM]; static int qla4_8xxx_crb_table_initialized; #define qla4_8xxx_crb_addr_transform(name) … static void qla4_82xx_crb_addr_transform_setup(void) { … } static struct crb_128M_2M_block_map crb_128M_2M_map[64] = …; /* * top 12 bits of crb internal address (hub, agent) */ static unsigned qla4_82xx_crb_hub_agt[64] = …; /* Device states */ static char *qdev_state[] = …; /* * In: 'off' is offset from CRB space in 128M pci map * Out: 'off' is 2M pci map addr * side effect: lock crb window */ static void qla4_82xx_pci_set_crbwindow_2M(struct scsi_qla_host *ha, ulong *off) { … } #define CRB_WIN_LOCK_TIMEOUT … /* * Context: atomic */ static int qla4_82xx_crb_win_lock(struct scsi_qla_host *ha) { … } void qla4_82xx_crb_win_unlock(struct scsi_qla_host *ha) { … } void qla4_82xx_wr_32(struct scsi_qla_host *ha, ulong off, u32 data) { … } uint32_t qla4_82xx_rd_32(struct scsi_qla_host *ha, ulong off) { … } /* Minidump related functions */ int qla4_82xx_md_rd_32(struct scsi_qla_host *ha, uint32_t off, uint32_t *data) { … } int qla4_82xx_md_wr_32(struct scsi_qla_host *ha, uint32_t off, uint32_t data) { … } #define IDC_LOCK_TIMEOUT … /** * qla4_82xx_idc_lock - hw_lock * @ha: pointer to adapter structure * * General purpose lock used to synchronize access to * CRB_DEV_STATE, CRB_DEV_REF_COUNT, etc. * * Context: task, can sleep **/ int qla4_82xx_idc_lock(struct scsi_qla_host *ha) { … } void qla4_82xx_idc_unlock(struct scsi_qla_host *ha) { … } int qla4_82xx_pci_get_crb_addr_2M(struct scsi_qla_host *ha, ulong *off) { … } /* * check memory access boundary. * used by test agent. support ddr access only for now */ static unsigned long qla4_82xx_pci_mem_bound_check(struct scsi_qla_host *ha, unsigned long long addr, int size) { … } static int qla4_82xx_pci_set_window_warning_count; static unsigned long qla4_82xx_pci_set_window(struct scsi_qla_host *ha, unsigned long long addr) { … } /* check if address is in the same windows as the previous access */ static int qla4_82xx_pci_is_same_window(struct scsi_qla_host *ha, unsigned long long addr) { … } static int qla4_82xx_pci_mem_read_direct(struct scsi_qla_host *ha, u64 off, void *data, int size) { … } static int qla4_82xx_pci_mem_write_direct(struct scsi_qla_host *ha, u64 off, void *data, int size) { … } #define MTU_FUDGE_FACTOR … static unsigned long qla4_82xx_decode_crb_addr(unsigned long addr) { … } static long rom_max_timeout = …; static long qla4_82xx_rom_lock_timeout = …; /* * Context: task, can_sleep */ static int qla4_82xx_rom_lock(struct scsi_qla_host *ha) { … } static void qla4_82xx_rom_unlock(struct scsi_qla_host *ha) { … } static int qla4_82xx_wait_rom_done(struct scsi_qla_host *ha) { … } static int qla4_82xx_do_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp) { … } static int qla4_82xx_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp) { … } /* * This routine does CRB initialize sequence * to put the ISP into operational state */ static int qla4_82xx_pinit_from_rom(struct scsi_qla_host *ha, int verbose) { … } /** * qla4_8xxx_ms_mem_write_128b - Writes data to MS/off-chip memory * @ha: Pointer to adapter structure * @addr: Flash address to write to * @data: Data to be written * @count: word_count to be written * * Return: On success return QLA_SUCCESS * On error return QLA_ERROR **/ int qla4_8xxx_ms_mem_write_128b(struct scsi_qla_host *ha, uint64_t addr, uint32_t *data, uint32_t count) { … } static int qla4_82xx_load_from_flash(struct scsi_qla_host *ha, uint32_t image_start) { … } static int qla4_82xx_load_fw(struct scsi_qla_host *ha, uint32_t image_start) { … } int qla4_82xx_pci_mem_read_2M(struct scsi_qla_host *ha, u64 off, void *data, int size) { … } int qla4_82xx_pci_mem_write_2M(struct scsi_qla_host *ha, u64 off, void *data, int size) { … } static int qla4_82xx_cmdpeg_ready(struct scsi_qla_host *ha, int pegtune_val) { … } static int qla4_82xx_rcvpeg_ready(struct scsi_qla_host *ha) { … } void qla4_8xxx_set_drv_active(struct scsi_qla_host *ha) { … } void qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha) { … } inline int qla4_8xxx_need_reset(struct scsi_qla_host *ha) { … } void qla4_8xxx_set_rst_ready(struct scsi_qla_host *ha) { … } void qla4_8xxx_clear_rst_ready(struct scsi_qla_host *ha) { … } static inline void qla4_8xxx_set_qsnt_ready(struct scsi_qla_host *ha) { … } static int qla4_82xx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start) { … } int qla4_82xx_try_start_fw(struct scsi_qla_host *ha) { … } void qla4_82xx_rom_lock_recovery(struct scsi_qla_host *ha) { … } static uint32_t ql4_84xx_poll_wait_for_ready(struct scsi_qla_host *ha, uint32_t addr1, uint32_t mask) { … } static uint32_t ql4_84xx_ipmdio_rd_reg(struct scsi_qla_host *ha, uint32_t addr1, uint32_t addr3, uint32_t mask, uint32_t addr, uint32_t *data_ptr) { … } static uint32_t ql4_84xx_poll_wait_ipmdio_bus_idle(struct scsi_qla_host *ha, uint32_t addr1, uint32_t addr2, uint32_t addr3, uint32_t mask) { … } static int ql4_84xx_ipmdio_wr_reg(struct scsi_qla_host *ha, uint32_t addr1, uint32_t addr3, uint32_t mask, uint32_t addr, uint32_t value) { … } static void qla4_8xxx_minidump_process_rdcrb(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static int qla4_83xx_check_dma_engine_state(struct scsi_qla_host *ha) { … } static int qla4_83xx_start_pex_dma(struct scsi_qla_host *ha, struct qla4_83xx_minidump_entry_rdmem_pex_dma *m_hdr) { … } static int qla4_8xxx_minidump_pex_dma_read(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static int qla4_8xxx_minidump_process_l2tag(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static int qla4_8xxx_minidump_process_control(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr) { … } static void qla4_8xxx_minidump_process_rdocm(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla4_8xxx_minidump_process_rdmux(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla4_8xxx_minidump_process_l1cache(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla4_8xxx_minidump_process_queue(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } #define MD_DIRECT_ROM_WINDOW … #define MD_DIRECT_ROM_READ_BASE … static void qla4_82xx_minidump_process_rdrom(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } #define MD_MIU_TEST_AGT_CTRL … #define MD_MIU_TEST_AGT_ADDR_LO … #define MD_MIU_TEST_AGT_ADDR_HI … static int __qla4_8xxx_minidump_process_rdmem(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static int qla4_8xxx_minidump_process_rdmem(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla4_8xxx_mark_entry_skipped(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, int index) { … } /* ISP83xx functions to process new minidump entries... */ static uint32_t qla83xx_minidump_process_pollrd(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla4_84xx_minidump_process_rddfe(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla4_84xx_minidump_process_rdmdio(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla4_84xx_minidump_process_pollwr(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static void qla83xx_minidump_process_rdmux2(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla83xx_minidump_process_pollrdmwr(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } static uint32_t qla4_83xx_minidump_process_rdrom(struct scsi_qla_host *ha, struct qla8xxx_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr) { … } /** * qla4_8xxx_collect_md_data - Retrieve firmware minidump data. * @ha: pointer to adapter structure **/ static int qla4_8xxx_collect_md_data(struct scsi_qla_host *ha) { … } /** * qla4_8xxx_uevent_emit - Send uevent when the firmware dump is ready. * @ha: pointer to adapter structure * @code: uevent code to act upon **/ static void qla4_8xxx_uevent_emit(struct scsi_qla_host *ha, u32 code) { … } void qla4_8xxx_get_minidump(struct scsi_qla_host *ha) { … } /** * qla4_8xxx_device_bootstrap - Initialize device, set DEV_READY, start fw * @ha: pointer to adapter structure * * Note: IDC lock must be held upon entry **/ int qla4_8xxx_device_bootstrap(struct scsi_qla_host *ha) { … } /** * qla4_82xx_need_reset_handler - Code to start reset sequence * @ha: pointer to adapter structure * * Note: IDC lock must be held upon entry **/ static void qla4_82xx_need_reset_handler(struct scsi_qla_host *ha) { … } /** * qla4_8xxx_need_qsnt_handler - Code to start qsnt * @ha: pointer to adapter structure **/ void qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha) { … } static void qla4_82xx_set_idc_ver(struct scsi_qla_host *ha) { … } static int qla4_83xx_set_idc_ver(struct scsi_qla_host *ha) { … } int qla4_8xxx_update_idc_reg(struct scsi_qla_host *ha) { … } /** * qla4_8xxx_device_state_handler - Adapter state machine * @ha: pointer to host adapter structure. * * Note: IDC lock must be UNLOCKED upon entry **/ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha) { … } int qla4_8xxx_load_risc(struct scsi_qla_host *ha) { … } /*****************************************************************************/ /* Flash Manipulation Routines */ /*****************************************************************************/ #define OPTROM_BURST_SIZE … #define OPTROM_BURST_DWORDS … #define FARX_DATA_FLAG … #define FARX_ACCESS_FLASH_CONF … #define FARX_ACCESS_FLASH_DATA … static inline uint32_t flash_conf_addr(struct ql82xx_hw_data *hw, uint32_t faddr) { … } static uint32_t * qla4_82xx_read_flash_data(struct scsi_qla_host *ha, uint32_t *dwptr, uint32_t faddr, uint32_t length) { … } /* * Address and length are byte address */ static uint8_t * qla4_82xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf, uint32_t offset, uint32_t length) { … } static int qla4_8xxx_find_flt_start(struct scsi_qla_host *ha, uint32_t *start) { … } static void qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr) { … } static void qla4_82xx_get_fdt_info(struct scsi_qla_host *ha) { … } static void qla4_82xx_get_idc_param(struct scsi_qla_host *ha) { … } void qla4_82xx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd, int in_count) { … } void qla4_82xx_process_mbox_intr(struct scsi_qla_host *ha, int out_count) { … } int qla4_8xxx_get_flash_info(struct scsi_qla_host *ha) { … } /** * qla4_8xxx_stop_firmware - stops firmware on specified adapter instance * @ha: pointer to host adapter structure. * * Remarks: * For iSCSI, throws away all I/O and AENs into bit bucket, so they will * not be available after successful return. Driver must cleanup potential * outstanding I/O's after calling this funcion. **/ int qla4_8xxx_stop_firmware(struct scsi_qla_host *ha) { … } /** * qla4_82xx_isp_reset - Resets ISP and aborts all outstanding commands. * @ha: pointer to host adapter structure. **/ int qla4_82xx_isp_reset(struct scsi_qla_host *ha) { … } /** * qla4_8xxx_get_sys_info - get adapter MAC address(es) and serial number * @ha: pointer to host adapter structure. * **/ int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha) { … } /* Interrupt handling helpers. */ int qla4_8xxx_intr_enable(struct scsi_qla_host *ha) { … } int qla4_8xxx_intr_disable(struct scsi_qla_host *ha) { … } void qla4_82xx_enable_intrs(struct scsi_qla_host *ha) { … } void qla4_82xx_disable_intrs(struct scsi_qla_host *ha) { … } int qla4_8xxx_enable_msix(struct scsi_qla_host *ha) { … } int qla4_8xxx_check_init_adapter_retry(struct scsi_qla_host *ha) { … }
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