/drivers/scsi/qla2xxx/qla_dbg.c
C | 1724 lines | 1307 code | 316 blank | 101 comment | 206 complexity | 7509b03a9fbee86a49953f915627d7a1 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
Large files files are truncated, but you can click here to view the full file
- /*
- * QLogic Fibre Channel HBA Driver
- * Copyright (c) 2003-2011 QLogic Corporation
- *
- * See LICENSE.qla2xxx for copyright and licensing details.
- */
- #include "qla_def.h"
- #include <linux/delay.h>
- static inline void
- qla2xxx_prep_dump(struct qla_hw_data *ha, struct qla2xxx_fw_dump *fw_dump)
- {
- fw_dump->fw_major_version = htonl(ha->fw_major_version);
- fw_dump->fw_minor_version = htonl(ha->fw_minor_version);
- fw_dump->fw_subminor_version = htonl(ha->fw_subminor_version);
- fw_dump->fw_attributes = htonl(ha->fw_attributes);
- fw_dump->vendor = htonl(ha->pdev->vendor);
- fw_dump->device = htonl(ha->pdev->device);
- fw_dump->subsystem_vendor = htonl(ha->pdev->subsystem_vendor);
- fw_dump->subsystem_device = htonl(ha->pdev->subsystem_device);
- }
- static inline void *
- qla2xxx_copy_queues(struct qla_hw_data *ha, void *ptr)
- {
- struct req_que *req = ha->req_q_map[0];
- struct rsp_que *rsp = ha->rsp_q_map[0];
- /* Request queue. */
- memcpy(ptr, req->ring, req->length *
- sizeof(request_t));
- /* Response queue. */
- ptr += req->length * sizeof(request_t);
- memcpy(ptr, rsp->ring, rsp->length *
- sizeof(response_t));
- return ptr + (rsp->length * sizeof(response_t));
- }
- static int
- qla24xx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint32_t *ram,
- uint32_t ram_dwords, void **nxt)
- {
- int rval;
- uint32_t cnt, stat, timer, dwords, idx;
- uint16_t mb0;
- struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
- dma_addr_t dump_dma = ha->gid_list_dma;
- uint32_t *dump = (uint32_t *)ha->gid_list;
- rval = QLA_SUCCESS;
- mb0 = 0;
- WRT_REG_WORD(®->mailbox0, MBC_DUMP_RISC_RAM_EXTENDED);
- clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
- dwords = GID_LIST_SIZE / 4;
- for (cnt = 0; cnt < ram_dwords && rval == QLA_SUCCESS;
- cnt += dwords, addr += dwords) {
- if (cnt + dwords > ram_dwords)
- dwords = ram_dwords - cnt;
- WRT_REG_WORD(®->mailbox1, LSW(addr));
- WRT_REG_WORD(®->mailbox8, MSW(addr));
- WRT_REG_WORD(®->mailbox2, MSW(dump_dma));
- WRT_REG_WORD(®->mailbox3, LSW(dump_dma));
- WRT_REG_WORD(®->mailbox6, MSW(MSD(dump_dma)));
- WRT_REG_WORD(®->mailbox7, LSW(MSD(dump_dma)));
- WRT_REG_WORD(®->mailbox4, MSW(dwords));
- WRT_REG_WORD(®->mailbox5, LSW(dwords));
- WRT_REG_DWORD(®->hccr, HCCRX_SET_HOST_INT);
- for (timer = 6000000; timer; timer--) {
- /* Check for pending interrupts. */
- stat = RD_REG_DWORD(®->host_status);
- if (stat & HSRX_RISC_INT) {
- stat &= 0xff;
- if (stat == 0x1 || stat == 0x2 ||
- stat == 0x10 || stat == 0x11) {
- set_bit(MBX_INTERRUPT,
- &ha->mbx_cmd_flags);
- mb0 = RD_REG_WORD(®->mailbox0);
- WRT_REG_DWORD(®->hccr,
- HCCRX_CLR_RISC_INT);
- RD_REG_DWORD(®->hccr);
- break;
- }
- /* Clear this intr; it wasn't a mailbox intr */
- WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
- RD_REG_DWORD(®->hccr);
- }
- udelay(5);
- }
- if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
- rval = mb0 & MBS_MASK;
- for (idx = 0; idx < dwords; idx++)
- ram[cnt + idx] = swab32(dump[idx]);
- } else {
- rval = QLA_FUNCTION_FAILED;
- }
- }
- *nxt = rval == QLA_SUCCESS ? &ram[cnt]: NULL;
- return rval;
- }
- static int
- qla24xx_dump_memory(struct qla_hw_data *ha, uint32_t *code_ram,
- uint32_t cram_size, void **nxt)
- {
- int rval;
- /* Code RAM. */
- rval = qla24xx_dump_ram(ha, 0x20000, code_ram, cram_size / 4, nxt);
- if (rval != QLA_SUCCESS)
- return rval;
- /* External Memory. */
- return qla24xx_dump_ram(ha, 0x100000, *nxt,
- ha->fw_memory_size - 0x100000 + 1, nxt);
- }
- static uint32_t *
- qla24xx_read_window(struct device_reg_24xx __iomem *reg, uint32_t iobase,
- uint32_t count, uint32_t *buf)
- {
- uint32_t __iomem *dmp_reg;
- WRT_REG_DWORD(®->iobase_addr, iobase);
- dmp_reg = ®->iobase_window;
- while (count--)
- *buf++ = htonl(RD_REG_DWORD(dmp_reg++));
- return buf;
- }
- static inline int
- qla24xx_pause_risc(struct device_reg_24xx __iomem *reg)
- {
- int rval = QLA_SUCCESS;
- uint32_t cnt;
- WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_PAUSE);
- for (cnt = 30000;
- ((RD_REG_DWORD(®->host_status) & HSRX_RISC_PAUSED) == 0) &&
- rval == QLA_SUCCESS; cnt--) {
- if (cnt)
- udelay(100);
- else
- rval = QLA_FUNCTION_TIMEOUT;
- }
- return rval;
- }
- static int
- qla24xx_soft_reset(struct qla_hw_data *ha)
- {
- int rval = QLA_SUCCESS;
- uint32_t cnt;
- uint16_t mb0, wd;
- struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
- /* Reset RISC. */
- WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
- for (cnt = 0; cnt < 30000; cnt++) {
- if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
- break;
- udelay(10);
- }
- WRT_REG_DWORD(®->ctrl_status,
- CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
- pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
- udelay(100);
- /* Wait for firmware to complete NVRAM accesses. */
- mb0 = (uint32_t) RD_REG_WORD(®->mailbox0);
- for (cnt = 10000 ; cnt && mb0; cnt--) {
- udelay(5);
- mb0 = (uint32_t) RD_REG_WORD(®->mailbox0);
- barrier();
- }
- /* Wait for soft-reset to complete. */
- for (cnt = 0; cnt < 30000; cnt++) {
- if ((RD_REG_DWORD(®->ctrl_status) &
- CSRX_ISP_SOFT_RESET) == 0)
- break;
- udelay(10);
- }
- WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET);
- RD_REG_DWORD(®->hccr); /* PCI Posting. */
- for (cnt = 30000; RD_REG_WORD(®->mailbox0) != 0 &&
- rval == QLA_SUCCESS; cnt--) {
- if (cnt)
- udelay(100);
- else
- rval = QLA_FUNCTION_TIMEOUT;
- }
- return rval;
- }
- static int
- qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint16_t *ram,
- uint32_t ram_words, void **nxt)
- {
- int rval;
- uint32_t cnt, stat, timer, words, idx;
- uint16_t mb0;
- struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
- dma_addr_t dump_dma = ha->gid_list_dma;
- uint16_t *dump = (uint16_t *)ha->gid_list;
- rval = QLA_SUCCESS;
- mb0 = 0;
- WRT_MAILBOX_REG(ha, reg, 0, MBC_DUMP_RISC_RAM_EXTENDED);
- clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
- words = GID_LIST_SIZE / 2;
- for (cnt = 0; cnt < ram_words && rval == QLA_SUCCESS;
- cnt += words, addr += words) {
- if (cnt + words > ram_words)
- words = ram_words - cnt;
- WRT_MAILBOX_REG(ha, reg, 1, LSW(addr));
- WRT_MAILBOX_REG(ha, reg, 8, MSW(addr));
- WRT_MAILBOX_REG(ha, reg, 2, MSW(dump_dma));
- WRT_MAILBOX_REG(ha, reg, 3, LSW(dump_dma));
- WRT_MAILBOX_REG(ha, reg, 6, MSW(MSD(dump_dma)));
- WRT_MAILBOX_REG(ha, reg, 7, LSW(MSD(dump_dma)));
-