--- /dev/null
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c) 2003-2014 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+
+#include "qla_def.h"
+#include "qla_gbl.h"
+
+#include <linux/delay.h>
+
+#define TIMEOUT_100_MS 100
+
+/* 8044 Flash Read/Write functions */
+uint32_t
+qla8044_rd_reg(struct qla_hw_data *ha, ulong addr)
+{
+ return readl((void __iomem *) (ha->nx_pcibase + addr));
+}
+
+void
+qla8044_wr_reg(struct qla_hw_data *ha, ulong addr, uint32_t val)
+{
+ writel(val, (void __iomem *)((ha)->nx_pcibase + addr));
+}
+
+int
+qla8044_rd_direct(struct scsi_qla_host *vha,
+ const uint32_t crb_reg)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (crb_reg < CRB_REG_INDEX_MAX)
+ return qla8044_rd_reg(ha, qla8044_reg_tbl[crb_reg]);
+ else
+ return QLA_FUNCTION_FAILED;
+}
+
+void
+qla8044_wr_direct(struct scsi_qla_host *vha,
+ const uint32_t crb_reg,
+ const uint32_t value)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (crb_reg < CRB_REG_INDEX_MAX)
+ qla8044_wr_reg(ha, qla8044_reg_tbl[crb_reg], value);
+}
+
+static int
+qla8044_set_win_base(scsi_qla_host_t *vha, uint32_t addr)
+{
+ uint32_t val;
+ int ret_val = QLA_SUCCESS;
+ struct qla_hw_data *ha = vha->hw;
+
+ qla8044_wr_reg(ha, QLA8044_CRB_WIN_FUNC(ha->portnum), addr);
+ val = qla8044_rd_reg(ha, QLA8044_CRB_WIN_FUNC(ha->portnum));
+
+ if (val != addr) {
+ ql_log(ql_log_warn, vha, 0xb087,
+ "%s: Failed to set register window : "
+ "addr written 0x%x, read 0x%x!\n",
+ __func__, addr, val);
+ ret_val = QLA_FUNCTION_FAILED;
+ }
+ return ret_val;
+}
+
+static int
+qla8044_rd_reg_indirect(scsi_qla_host_t *vha, uint32_t addr, uint32_t *data)
+{
+ int ret_val = QLA_SUCCESS;
+ struct qla_hw_data *ha = vha->hw;
+
+ ret_val = qla8044_set_win_base(vha, addr);
+ if (!ret_val)
+ *data = qla8044_rd_reg(ha, QLA8044_WILDCARD);
+ else
+ ql_log(ql_log_warn, vha, 0xb088,
+ "%s: failed read of addr 0x%x!\n", __func__, addr);
+ return ret_val;
+}
+
+static int
+qla8044_wr_reg_indirect(scsi_qla_host_t *vha, uint32_t addr, uint32_t data)
+{
+ int ret_val = QLA_SUCCESS;
+ struct qla_hw_data *ha = vha->hw;
+
+ ret_val = qla8044_set_win_base(vha, addr);
+ if (!ret_val)
+ qla8044_wr_reg(ha, QLA8044_WILDCARD, data);
+ else
+ ql_log(ql_log_warn, vha, 0xb089,
+ "%s: failed wrt to addr 0x%x, data 0x%x\n",
+ __func__, addr, data);
+ return ret_val;
+}
+
+/*
+ * 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)
+{
+ uint32_t value;
+
+ qla8044_rd_reg_indirect(vha, raddr, &value);
+ qla8044_wr_reg_indirect(vha, waddr, value);
+}
+
+static int
+qla8044_poll_wait_for_ready(struct scsi_qla_host *vha, uint32_t addr1,
+ uint32_t mask)
+{
+ unsigned long timeout;
+ uint32_t temp;
+
+ /* jiffies after 100ms */
+ timeout = jiffies + msecs_to_jiffies(TIMEOUT_100_MS);
+ do {
+ qla8044_rd_reg_indirect(vha, addr1, &temp);
+ if ((temp & mask) != 0)
+ break;
+ if (time_after_eq(jiffies, timeout)) {
+ ql_log(ql_log_warn, vha, 0xb151,
+ "Error in processing rdmdio entry\n");
+ return -1;
+ }
+ } while (1);
+
+ return 0;
+}
+
+static uint32_t
+qla8044_ipmdio_rd_reg(struct scsi_qla_host *vha,
+ uint32_t addr1, uint32_t addr3, uint32_t mask, uint32_t addr)
+{
+ uint32_t temp;
+ int ret = 0;
+
+ ret = qla8044_poll_wait_for_ready(vha, addr1, mask);
+ if (ret == -1)
+ return -1;
+
+ temp = (0x40000000 | addr);
+ qla8044_wr_reg_indirect(vha, addr1, temp);
+
+ ret = qla8044_poll_wait_for_ready(vha, addr1, mask);
+ if (ret == -1)
+ return 0;
+
+ qla8044_rd_reg_indirect(vha, addr3, &ret);
+
+ return ret;
+}
+
+
+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)
+{
+ unsigned long timeout;
+ uint32_t temp;
+
+ /* jiffies after 100 msecs */
+ timeout = jiffies + msecs_to_jiffies(TIMEOUT_100_MS);
+ do {
+ temp = qla8044_ipmdio_rd_reg(vha, addr1, addr3, mask, addr2);
+ if ((temp & 0x1) != 1)
+ break;
+ if (time_after_eq(jiffies, timeout)) {
+ ql_log(ql_log_warn, vha, 0xb152,
+ "Error in processing mdiobus idle\n");
+ return -1;
+ }
+ } while (1);
+
+ return 0;
+}
+
+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)
+{
+ int ret = 0;
+
+ ret = qla8044_poll_wait_for_ready(vha, addr1, mask);
+ if (ret == -1)
+ return -1;
+
+ qla8044_wr_reg_indirect(vha, addr3, value);
+ qla8044_wr_reg_indirect(vha, addr1, addr);
+
+ ret = qla8044_poll_wait_for_ready(vha, addr1, mask);
+ if (ret == -1)
+ return -1;
+
+ return 0;
+}
+/*
+ * 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)
+{
+ uint32_t value;
+
+ if (p_rmw_hdr->index_a)
+ value = vha->reset_tmplt.array[p_rmw_hdr->index_a];
+ else
+ qla8044_rd_reg_indirect(vha, raddr, &value);
+ value &= p_rmw_hdr->test_mask;
+ value <<= p_rmw_hdr->shl;
+ value >>= p_rmw_hdr->shr;
+ value |= p_rmw_hdr->or_value;
+ value ^= p_rmw_hdr->xor_value;
+ qla8044_wr_reg_indirect(vha, waddr, value);
+ return;
+}
+
+static inline void
+qla8044_set_qsnt_ready(struct scsi_qla_host *vha)
+{
+ uint32_t qsnt_state;
+ struct qla_hw_data *ha = vha->hw;
+
+ qsnt_state = qla8044_rd_direct(vha, QLA8044_CRB_DRV_STATE_INDEX);
+ qsnt_state |= (1 << ha->portnum);
+ qla8044_wr_direct(vha, QLA8044_CRB_DRV_STATE_INDEX, qsnt_state);
+ ql_log(ql_log_info, vha, 0xb08e, "%s(%ld): qsnt_state: 0x%08x\n",
+ __func__, vha->host_no, qsnt_state);
+}
+
+void
+qla8044_clear_qsnt_ready(struct scsi_qla_host *vha)
+{
+ uint32_t qsnt_state;
+ struct qla_hw_data *ha = vha->hw;
+
+ qsnt_state = qla8044_rd_direct(vha, QLA8044_CRB_DRV_STATE_INDEX);
+ qsnt_state &= ~(1 << ha->portnum);
+ qla8044_wr_direct(vha, QLA8044_CRB_DRV_STATE_INDEX, qsnt_state);
+ ql_log(ql_log_info, vha, 0xb08f, "%s(%ld): qsnt_state: 0x%08x\n",
+ __func__, vha->host_no, qsnt_state);
+}
+
+/**
+ *
+ * qla8044_lock_recovery - Recovers the idc_lock.
+ * @ha : 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)
+{
+ uint32_t lock = 0, lockid;
+ struct qla_hw_data *ha = vha->hw;
+
+ lockid = qla8044_rd_reg(ha, QLA8044_DRV_LOCKRECOVERY);
+
+ /* Check for other Recovery in progress, go wait */
+ if ((lockid & IDC_LOCK_RECOVERY_STATE_MASK) != 0)
+ return QLA_FUNCTION_FAILED;
+
+ /* Intent to Recover */
+ qla8044_wr_reg(ha, QLA8044_DRV_LOCKRECOVERY,
+ (ha->portnum <<
+ IDC_LOCK_RECOVERY_STATE_SHIFT_BITS) | INTENT_TO_RECOVER);
+ msleep(200);
+
+ /* Check Intent to Recover is advertised */
+ lockid = qla8044_rd_reg(ha, QLA8044_DRV_LOCKRECOVERY);
+ if ((lockid & IDC_LOCK_RECOVERY_OWNER_MASK) != (ha->portnum <<
+ IDC_LOCK_RECOVERY_STATE_SHIFT_BITS))
+ return QLA_FUNCTION_FAILED;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb08B, "%s:%d: IDC Lock recovery initiated\n"
+ , __func__, ha->portnum);
+
+ /* Proceed to Recover */
+ qla8044_wr_reg(ha, QLA8044_DRV_LOCKRECOVERY,
+ (ha->portnum << IDC_LOCK_RECOVERY_STATE_SHIFT_BITS) |
+ PROCEED_TO_RECOVER);
+
+ /* Force Unlock() */
+ qla8044_wr_reg(ha, QLA8044_DRV_LOCK_ID, 0xFF);
+ qla8044_rd_reg(ha, QLA8044_DRV_UNLOCK);
+
+ /* Clear bits 0-5 in IDC_RECOVERY register*/
+ qla8044_wr_reg(ha, QLA8044_DRV_LOCKRECOVERY, 0);
+
+ /* Get lock() */
+ lock = qla8044_rd_reg(ha, QLA8044_DRV_LOCK);
+ if (lock) {
+ lockid = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
+ lockid = ((lockid + (1 << 8)) & ~0xFF) | ha->portnum;
+ qla8044_wr_reg(ha, QLA8044_DRV_LOCK_ID, lockid);
+ return QLA_SUCCESS;
+ } else
+ return QLA_FUNCTION_FAILED;
+}
+
+int
+qla8044_idc_lock(struct qla_hw_data *ha)
+{
+ uint32_t ret_val = QLA_SUCCESS, timeout = 0, status = 0;
+ uint32_t lock_id, lock_cnt, func_num, tmo_owner = 0, first_owner = 0;
+ scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+
+ while (status == 0) {
+ /* acquire semaphore5 from PCI HW block */
+ status = qla8044_rd_reg(ha, QLA8044_DRV_LOCK);
+
+ if (status) {
+ /* Increment Counter (8-31) and update func_num (0-7) on
+ * getting a successful lock */
+ lock_id = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
+ lock_id = ((lock_id + (1 << 8)) & ~0xFF) | ha->portnum;
+ qla8044_wr_reg(ha, QLA8044_DRV_LOCK_ID, lock_id);
+ break;
+ }
+
+ if (timeout == 0)
+ first_owner = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
+
+ if (++timeout >=
+ (QLA8044_DRV_LOCK_TIMEOUT / QLA8044_DRV_LOCK_MSLEEP)) {
+ tmo_owner = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
+ func_num = tmo_owner & 0xFF;
+ lock_cnt = tmo_owner >> 8;
+ ql_log(ql_log_warn, vha, 0xb114,
+ "%s: Lock by func %d failed after 2s, lock held "
+ "by func %d, lock count %d, first_owner %d\n",
+ __func__, ha->portnum, func_num, lock_cnt,
+ (first_owner & 0xFF));
+ if (first_owner != tmo_owner) {
+ /* Some other driver got lock,
+ * OR same driver got lock again (counter
+ * value changed), when we were waiting for
+ * lock. Retry for another 2 sec */
+ ql_dbg(ql_dbg_p3p, vha, 0xb115,
+ "%s: %d: IDC lock failed\n",
+ __func__, ha->portnum);
+ timeout = 0;
+ } else {
+ /* Same driver holding lock > 2sec.
+ * Force Recovery */
+ if (qla8044_lock_recovery(vha) == QLA_SUCCESS) {
+ /* Recovered and got lock */
+ ret_val = QLA_SUCCESS;
+ ql_dbg(ql_dbg_p3p, vha, 0xb116,
+ "%s:IDC lock Recovery by %d"
+ "successful...\n", __func__,
+ ha->portnum);
+ }
+ /* Recovery Failed, some other function
+ * has the lock, wait for 2secs
+ * and retry
+ */
+ ql_dbg(ql_dbg_p3p, vha, 0xb08a,
+ "%s: IDC lock Recovery by %d "
+ "failed, Retrying timeout\n", __func__,
+ ha->portnum);
+ timeout = 0;
+ }
+ }
+ msleep(QLA8044_DRV_LOCK_MSLEEP);
+ }
+ return ret_val;
+}
+
+void
+qla8044_idc_unlock(struct qla_hw_data *ha)
+{
+ int id;
+ scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+
+ id = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
+
+ if ((id & 0xFF) != ha->portnum) {
+ ql_log(ql_log_warn, vha, 0xb118,
+ "%s: IDC Unlock by %d failed, lock owner is %d!\n",
+ __func__, ha->portnum, (id & 0xFF));
+ return;
+ }
+
+ /* Keep lock counter value, update the ha->func_num to 0xFF */
+ qla8044_wr_reg(ha, QLA8044_DRV_LOCK_ID, (id | 0xFF));
+ qla8044_rd_reg(ha, QLA8044_DRV_UNLOCK);
+}
+
+/* 8044 Flash Lock/Unlock functions */
+static int
+qla8044_flash_lock(scsi_qla_host_t *vha)
+{
+ int lock_owner;
+ int timeout = 0;
+ uint32_t lock_status = 0;
+ int ret_val = QLA_SUCCESS;
+ struct qla_hw_data *ha = vha->hw;
+
+ while (lock_status == 0) {
+ lock_status = qla8044_rd_reg(ha, QLA8044_FLASH_LOCK);
+ if (lock_status)
+ break;
+
+ if (++timeout >= QLA8044_FLASH_LOCK_TIMEOUT / 20) {
+ lock_owner = qla8044_rd_reg(ha,
+ QLA8044_FLASH_LOCK_ID);
+ ql_log(ql_log_warn, vha, 0xb113,
+ "%s: Simultaneous flash access by following ports, active port = %d: accessing port = %d",
+ __func__, ha->portnum, lock_owner);
+ ret_val = QLA_FUNCTION_FAILED;
+ break;
+ }
+ msleep(20);
+ }
+ qla8044_wr_reg(ha, QLA8044_FLASH_LOCK_ID, ha->portnum);
+ return ret_val;
+}
+
+static void
+qla8044_flash_unlock(scsi_qla_host_t *vha)
+{
+ int ret_val;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Reading FLASH_UNLOCK register unlocks the Flash */
+ qla8044_wr_reg(ha, QLA8044_FLASH_LOCK_ID, 0xFF);
+ ret_val = qla8044_rd_reg(ha, QLA8044_FLASH_UNLOCK);
+}
+
+
+static
+void qla8044_flash_lock_recovery(struct scsi_qla_host *vha)
+{
+
+ if (qla8044_flash_lock(vha)) {
+ /* Someone else is holding the lock. */
+ ql_log(ql_log_warn, vha, 0xb120, "Resetting flash_lock\n");
+ }
+
+ /*
+ * Either we got the lock, or someone
+ * else died while holding it.
+ * In either case, unlock.
+ */
+ qla8044_flash_unlock(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)
+{
+ int i, ret_val = QLA_SUCCESS;
+ uint32_t u32_word;
+
+ if (qla8044_flash_lock(vha) != QLA_SUCCESS) {
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_lock_error;
+ }
+
+ if (flash_addr & 0x03) {
+ ql_log(ql_log_warn, vha, 0xb117,
+ "%s: Illegal addr = 0x%x\n", __func__, flash_addr);
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_flash_read;
+ }
+
+ for (i = 0; i < u32_word_count; i++) {
+ if (qla8044_wr_reg_indirect(vha, QLA8044_FLASH_DIRECT_WINDOW,
+ (flash_addr & 0xFFFF0000))) {
+ ql_log(ql_log_warn, vha, 0xb119,
+ "%s: failed to write addr 0x%x to "
+ "FLASH_DIRECT_WINDOW\n! ",
+ __func__, flash_addr);
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_flash_read;
+ }
+
+ ret_val = qla8044_rd_reg_indirect(vha,
+ QLA8044_FLASH_DIRECT_DATA(flash_addr),
+ &u32_word);
+ if (ret_val != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0xb08c,
+ "%s: failed to read addr 0x%x!\n",
+ __func__, flash_addr);
+ goto exit_flash_read;
+ }
+
+ *(uint32_t *)p_data = u32_word;
+ p_data = p_data + 4;
+ flash_addr = flash_addr + 4;
+ }
+
+exit_flash_read:
+ qla8044_flash_unlock(vha);
+
+exit_lock_error:
+ return ret_val;
+}
+
+/*
+ * Address and length are byte address
+ */
+uint8_t *
+qla8044_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+ uint32_t offset, uint32_t length)
+{
+ scsi_block_requests(vha->host);
+ if (qla8044_read_flash_data(vha, (uint8_t *)buf, offset, length / 4)
+ != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0xb08d,
+ "%s: Failed to read from flash\n",
+ __func__);
+ }
+ scsi_unblock_requests(vha->host);
+ return buf;
+}
+
+inline int
+qla8044_need_reset(struct scsi_qla_host *vha)
+{
+ uint32_t drv_state, drv_active;
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+
+ drv_active = qla8044_rd_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX);
+ drv_state = qla8044_rd_direct(vha, QLA8044_CRB_DRV_STATE_INDEX);
+
+ rval = drv_state & (1 << ha->portnum);
+
+ if (ha->flags.eeh_busy && drv_active)
+ rval = 1;
+ return rval;
+}
+
+/*
+ * 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)
+{
+ struct qla8044_entry *p_entry;
+ uint32_t i;
+
+ p_entry = (struct qla8044_entry *)((char *)p_hdr +
+ sizeof(struct qla8044_reset_entry_hdr));
+
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
+ qla8044_wr_reg_indirect(vha, p_entry->arg1, p_entry->arg2);
+ if (p_hdr->delay)
+ udelay((uint32_t)(p_hdr->delay));
+ }
+}
+
+/*
+ * 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)
+{
+ struct qla8044_entry *p_entry;
+ uint32_t i;
+
+ p_entry = (struct qla8044_entry *)((char *)p_hdr +
+ sizeof(struct qla8044_reset_entry_hdr));
+
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
+ qla8044_read_write_crb_reg(vha, p_entry->arg1,
+ p_entry->arg2);
+ if (p_hdr->delay)
+ udelay((uint32_t)(p_hdr->delay));
+ }
+}
+
+/*
+ * 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)
+{
+ uint32_t value;
+ int timeout_error;
+ uint8_t retries;
+ int ret_val = QLA_SUCCESS;
+
+ ret_val = qla8044_rd_reg_indirect(vha, addr, &value);
+ if (ret_val == QLA_FUNCTION_FAILED) {
+ timeout_error = 1;
+ goto exit_poll_reg;
+ }
+
+ /* poll every 1/10 of the total duration */
+ retries = duration/10;
+
+ do {
+ if ((value & test_mask) != test_result) {
+ timeout_error = 1;
+ msleep(duration/10);
+ ret_val = qla8044_rd_reg_indirect(vha, addr, &value);
+ if (ret_val == QLA_FUNCTION_FAILED) {
+ timeout_error = 1;
+ goto exit_poll_reg;
+ }
+ } else {
+ timeout_error = 0;
+ break;
+ }
+ } while (retries--);
+
+exit_poll_reg:
+ if (timeout_error) {
+ vha->reset_tmplt.seq_error++;
+ ql_log(ql_log_fatal, vha, 0xb090,
+ "%s: Poll Failed: 0x%08x 0x%08x 0x%08x\n",
+ __func__, value, test_mask, test_result);
+ }
+
+ return timeout_error;
+}
+
+/*
+ * 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)
+{
+ long delay;
+ struct qla8044_entry *p_entry;
+ struct qla8044_poll *p_poll;
+ uint32_t i;
+ uint32_t value;
+
+ p_poll = (struct qla8044_poll *)
+ ((char *)p_hdr + sizeof(struct qla8044_reset_entry_hdr));
+
+ /* Entries start after 8 byte qla8044_poll, poll header contains
+ * the test_mask, test_value.
+ */
+ p_entry = (struct qla8044_entry *)((char *)p_poll +
+ sizeof(struct qla8044_poll));
+
+ delay = (long)p_hdr->delay;
+
+ if (!delay) {
+ for (i = 0; i < p_hdr->count; i++, p_entry++)
+ qla8044_poll_reg(vha, p_entry->arg1,
+ delay, p_poll->test_mask, p_poll->test_value);
+ } else {
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
+ if (delay) {
+ if (qla8044_poll_reg(vha,
+ p_entry->arg1, delay,
+ p_poll->test_mask,
+ p_poll->test_value)) {
+ /*If
+ * (data_read&test_mask != test_value)
+ * read TIMEOUT_ADDR (arg1) and
+ * ADDR (arg2) registers
+ */
+ qla8044_rd_reg_indirect(vha,
+ p_entry->arg1, &value);
+ qla8044_rd_reg_indirect(vha,
+ p_entry->arg2, &value);
+ }
+ }
+ }
+ }
+}
+
+/*
+ * 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)
+{
+ long delay;
+ struct qla8044_quad_entry *p_entry;
+ struct qla8044_poll *p_poll;
+ uint32_t i;
+
+ p_poll = (struct qla8044_poll *)((char *)p_hdr +
+ sizeof(struct qla8044_reset_entry_hdr));
+
+ p_entry = (struct qla8044_quad_entry *)((char *)p_poll +
+ sizeof(struct qla8044_poll));
+
+ delay = (long)p_hdr->delay;
+
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
+ qla8044_wr_reg_indirect(vha,
+ p_entry->dr_addr, p_entry->dr_value);
+ qla8044_wr_reg_indirect(vha,
+ p_entry->ar_addr, p_entry->ar_value);
+ if (delay) {
+ if (qla8044_poll_reg(vha,
+ p_entry->ar_addr, delay,
+ p_poll->test_mask,
+ p_poll->test_value)) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb091,
+ "%s: Timeout Error: poll list, ",
+ __func__);
+ ql_dbg(ql_dbg_p3p, vha, 0xb092,
+ "item_num %d, entry_num %d\n", i,
+ vha->reset_tmplt.seq_index);
+ }
+ }
+ }
+}
+
+/*
+ * 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)
+{
+ struct qla8044_entry *p_entry;
+ struct qla8044_rmw *p_rmw_hdr;
+ uint32_t i;
+
+ p_rmw_hdr = (struct qla8044_rmw *)((char *)p_hdr +
+ sizeof(struct qla8044_reset_entry_hdr));
+
+ p_entry = (struct qla8044_entry *)((char *)p_rmw_hdr +
+ sizeof(struct qla8044_rmw));
+
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
+ qla8044_rmw_crb_reg(vha, p_entry->arg1,
+ p_entry->arg2, p_rmw_hdr);
+ if (p_hdr->delay)
+ udelay((uint32_t)(p_hdr->delay));
+ }
+}
+
+/*
+ * 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)
+{
+ if (p_hdr->delay)
+ mdelay((uint32_t)((long)p_hdr->delay));
+}
+
+/*
+ * 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)
+{
+ vha->reset_tmplt.template_end = 1;
+
+ if (vha->reset_tmplt.seq_error == 0) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb093,
+ "%s: Reset sequence completed SUCCESSFULLY.\n", __func__);
+ } else {
+ ql_log(ql_log_fatal, vha, 0xb094,
+ "%s: Reset sequence completed with some timeout "
+ "errors.\n", __func__);
+ }
+}
+
+/*
+ * 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)
+{
+ long delay;
+ int index;
+ struct qla8044_quad_entry *p_entry;
+ struct qla8044_poll *p_poll;
+ uint32_t i;
+ uint32_t value;
+
+ p_poll = (struct qla8044_poll *)
+ ((char *)p_hdr + sizeof(struct qla8044_reset_entry_hdr));
+
+ p_entry = (struct qla8044_quad_entry *)
+ ((char *)p_poll + sizeof(struct qla8044_poll));
+
+ delay = (long)p_hdr->delay;
+
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
+ qla8044_wr_reg_indirect(vha, p_entry->ar_addr,
+ p_entry->ar_value);
+ if (delay) {
+ if (qla8044_poll_reg(vha, p_entry->ar_addr, delay,
+ p_poll->test_mask, p_poll->test_value)) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb095,
+ "%s: Timeout Error: poll "
+ "list, ", __func__);
+ ql_dbg(ql_dbg_p3p, vha, 0xb096,
+ "Item_num %d, "
+ "entry_num %d\n", i,
+ vha->reset_tmplt.seq_index);
+ } else {
+ index = vha->reset_tmplt.array_index;
+ qla8044_rd_reg_indirect(vha,
+ p_entry->dr_addr, &value);
+ vha->reset_tmplt.array[index++] = value;
+ if (index == QLA8044_MAX_RESET_SEQ_ENTRIES)
+ vha->reset_tmplt.array_index = 1;
+ }
+ }
+ }
+}
+
+/*
+ * 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)
+{
+ int index, entries;
+ struct qla8044_reset_entry_hdr *p_hdr;
+ char *p_entry = p_buff;
+
+ vha->reset_tmplt.seq_end = 0;
+ vha->reset_tmplt.template_end = 0;
+ entries = vha->reset_tmplt.hdr->entries;
+ index = vha->reset_tmplt.seq_index;
+
+ for (; (!vha->reset_tmplt.seq_end) && (index < entries); index++) {
+ p_hdr = (struct qla8044_reset_entry_hdr *)p_entry;
+ switch (p_hdr->cmd) {
+ case OPCODE_NOP:
+ break;
+ case OPCODE_WRITE_LIST:
+ qla8044_write_list(vha, p_hdr);
+ break;
+ case OPCODE_READ_WRITE_LIST:
+ qla8044_read_write_list(vha, p_hdr);
+ break;
+ case OPCODE_POLL_LIST:
+ qla8044_poll_list(vha, p_hdr);
+ break;
+ case OPCODE_POLL_WRITE_LIST:
+ qla8044_poll_write_list(vha, p_hdr);
+ break;
+ case OPCODE_READ_MODIFY_WRITE:
+ qla8044_read_modify_write(vha, p_hdr);
+ break;
+ case OPCODE_SEQ_PAUSE:
+ qla8044_pause(vha, p_hdr);
+ break;
+ case OPCODE_SEQ_END:
+ vha->reset_tmplt.seq_end = 1;
+ break;
+ case OPCODE_TMPL_END:
+ qla8044_template_end(vha, p_hdr);
+ break;
+ case OPCODE_POLL_READ_LIST:
+ qla8044_poll_read_list(vha, p_hdr);
+ break;
+ default:
+ ql_log(ql_log_fatal, vha, 0xb097,
+ "%s: Unknown command ==> 0x%04x on "
+ "entry = %d\n", __func__, p_hdr->cmd, index);
+ break;
+ }
+ /*
+ *Set pointer to next entry in the sequence.
+ */
+ p_entry += p_hdr->size;
+ }
+ vha->reset_tmplt.seq_index = index;
+}
+
+static void
+qla8044_process_init_seq(struct scsi_qla_host *vha)
+{
+ qla8044_process_reset_template(vha,
+ vha->reset_tmplt.init_offset);
+ if (vha->reset_tmplt.seq_end != 1)
+ ql_log(ql_log_fatal, vha, 0xb098,
+ "%s: Abrupt INIT Sub-Sequence end.\n",
+ __func__);
+}
+
+static void
+qla8044_process_stop_seq(struct scsi_qla_host *vha)
+{
+ vha->reset_tmplt.seq_index = 0;
+ qla8044_process_reset_template(vha, vha->reset_tmplt.stop_offset);
+ if (vha->reset_tmplt.seq_end != 1)
+ ql_log(ql_log_fatal, vha, 0xb099,
+ "%s: Abrupt STOP Sub-Sequence end.\n", __func__);
+}
+
+static void
+qla8044_process_start_seq(struct scsi_qla_host *vha)
+{
+ qla8044_process_reset_template(vha, vha->reset_tmplt.start_offset);
+ if (vha->reset_tmplt.template_end != 1)
+ ql_log(ql_log_fatal, vha, 0xb09a,
+ "%s: Abrupt START Sub-Sequence end.\n",
+ __func__);
+}
+
+static int
+qla8044_lockless_flash_read_u32(struct scsi_qla_host *vha,
+ uint32_t flash_addr, uint8_t *p_data, int u32_word_count)
+{
+ uint32_t i;
+ uint32_t u32_word;
+ uint32_t flash_offset;
+ uint32_t addr = flash_addr;
+ int ret_val = QLA_SUCCESS;
+
+ flash_offset = addr & (QLA8044_FLASH_SECTOR_SIZE - 1);
+
+ if (addr & 0x3) {
+ ql_log(ql_log_fatal, vha, 0xb09b, "%s: Illegal addr = 0x%x\n",
+ __func__, addr);
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_lockless_read;
+ }
+
+ ret_val = qla8044_wr_reg_indirect(vha,
+ QLA8044_FLASH_DIRECT_WINDOW, (addr));
+
+ if (ret_val != QLA_SUCCESS) {
+ ql_log(ql_log_fatal, vha, 0xb09c,
+ "%s: failed to write addr 0x%x to FLASH_DIRECT_WINDOW!\n",
+ __func__, addr);
+ goto exit_lockless_read;
+ }
+
+ /* Check if data is spread across multiple sectors */
+ if ((flash_offset + (u32_word_count * sizeof(uint32_t))) >
+ (QLA8044_FLASH_SECTOR_SIZE - 1)) {
+ /* Multi sector read */
+ for (i = 0; i < u32_word_count; i++) {
+ ret_val = qla8044_rd_reg_indirect(vha,
+ QLA8044_FLASH_DIRECT_DATA(addr), &u32_word);
+ if (ret_val != QLA_SUCCESS) {
+ ql_log(ql_log_fatal, vha, 0xb09d,
+ "%s: failed to read addr 0x%x!\n",
+ __func__, addr);
+ goto exit_lockless_read;
+ }
+ *(uint32_t *)p_data = u32_word;
+ p_data = p_data + 4;
+ addr = addr + 4;
+ flash_offset = flash_offset + 4;
+ if (flash_offset > (QLA8044_FLASH_SECTOR_SIZE - 1)) {
+ /* This write is needed once for each sector */
+ ret_val = qla8044_wr_reg_indirect(vha,
+ QLA8044_FLASH_DIRECT_WINDOW, (addr));
+ if (ret_val != QLA_SUCCESS) {
+ ql_log(ql_log_fatal, vha, 0xb09f,
+ "%s: failed to write addr "
+ "0x%x to FLASH_DIRECT_WINDOW!\n",
+ __func__, addr);
+ goto exit_lockless_read;
+ }
+ flash_offset = 0;
+ }
+ }
+ } else {
+ /* Single sector read */
+ for (i = 0; i < u32_word_count; i++) {
+ ret_val = qla8044_rd_reg_indirect(vha,
+ QLA8044_FLASH_DIRECT_DATA(addr), &u32_word);
+ if (ret_val != QLA_SUCCESS) {
+ ql_log(ql_log_fatal, vha, 0xb0a0,
+ "%s: failed to read addr 0x%x!\n",
+ __func__, addr);
+ goto exit_lockless_read;
+ }
+ *(uint32_t *)p_data = u32_word;
+ p_data = p_data + 4;
+ addr = addr + 4;
+ }
+ }
+
+exit_lockless_read:
+ return ret_val;
+}
+
+/*
+ * 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)
+{
+ int i, j, ret_val = QLA_SUCCESS;
+ uint32_t agt_ctrl;
+ unsigned long flags;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Only 128-bit aligned access */
+ if (addr & 0xF) {
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_ms_mem_write;
+ }
+ write_lock_irqsave(&ha->hw_lock, flags);
+
+ /* Write address */
+ ret_val = qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_ADDR_HI, 0);
+ if (ret_val == QLA_FUNCTION_FAILED) {
+ ql_log(ql_log_fatal, vha, 0xb0a1,
+ "%s: write to AGT_ADDR_HI failed!\n", __func__);
+ goto exit_ms_mem_write_unlock;
+ }
+
+ for (i = 0; i < count; i++, addr += 16) {
+ if (!((QLA8044_ADDR_IN_RANGE(addr, QLA8044_ADDR_QDR_NET,
+ QLA8044_ADDR_QDR_NET_MAX)) ||
+ (QLA8044_ADDR_IN_RANGE(addr, QLA8044_ADDR_DDR_NET,
+ QLA8044_ADDR_DDR_NET_MAX)))) {
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_ms_mem_write_unlock;
+ }
+
+ ret_val = qla8044_wr_reg_indirect(vha,
+ MD_MIU_TEST_AGT_ADDR_LO, addr);
+
+ /* Write data */
+ ret_val += qla8044_wr_reg_indirect(vha,
+ MD_MIU_TEST_AGT_WRDATA_LO, *data++);
+ ret_val += qla8044_wr_reg_indirect(vha,
+ MD_MIU_TEST_AGT_WRDATA_HI, *data++);
+ ret_val += qla8044_wr_reg_indirect(vha,
+ MD_MIU_TEST_AGT_WRDATA_ULO, *data++);
+ ret_val += qla8044_wr_reg_indirect(vha,
+ MD_MIU_TEST_AGT_WRDATA_UHI, *data++);
+ if (ret_val == QLA_FUNCTION_FAILED) {
+ ql_log(ql_log_fatal, vha, 0xb0a2,
+ "%s: write to AGT_WRDATA failed!\n",
+ __func__);
+ goto exit_ms_mem_write_unlock;
+ }
+
+ /* Check write status */
+ ret_val = qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL,
+ MIU_TA_CTL_WRITE_ENABLE);
+ ret_val += qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL,
+ MIU_TA_CTL_WRITE_START);
+ if (ret_val == QLA_FUNCTION_FAILED) {
+ ql_log(ql_log_fatal, vha, 0xb0a3,
+ "%s: write to AGT_CTRL failed!\n", __func__);
+ goto exit_ms_mem_write_unlock;
+ }
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ ret_val = qla8044_rd_reg_indirect(vha,
+ MD_MIU_TEST_AGT_CTRL, &agt_ctrl);
+ if (ret_val == QLA_FUNCTION_FAILED) {
+ ql_log(ql_log_fatal, vha, 0xb0a4,
+ "%s: failed to read "
+ "MD_MIU_TEST_AGT_CTRL!\n", __func__);
+ goto exit_ms_mem_write_unlock;
+ }
+ if ((agt_ctrl & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ /* Status check failed */
+ if (j >= MAX_CTL_CHECK) {
+ ql_log(ql_log_fatal, vha, 0xb0a5,
+ "%s: MS memory write failed!\n",
+ __func__);
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_ms_mem_write_unlock;
+ }
+ }
+
+exit_ms_mem_write_unlock:
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+
+exit_ms_mem_write:
+ return ret_val;
+}
+
+static int
+qla8044_copy_bootloader(struct scsi_qla_host *vha)
+{
+ uint8_t *p_cache;
+ uint32_t src, count, size;
+ uint64_t dest;
+ int ret_val = QLA_SUCCESS;
+ struct qla_hw_data *ha = vha->hw;
+
+ src = QLA8044_BOOTLOADER_FLASH_ADDR;
+ dest = qla8044_rd_reg(ha, QLA8044_BOOTLOADER_ADDR);
+ size = qla8044_rd_reg(ha, QLA8044_BOOTLOADER_SIZE);
+
+ /* 128 bit alignment check */
+ if (size & 0xF)
+ size = (size + 16) & ~0xF;
+
+ /* 16 byte count */
+ count = size/16;
+
+ p_cache = vmalloc(size);
+ if (p_cache == NULL) {
+ ql_log(ql_log_fatal, vha, 0xb0a6,
+ "%s: Failed to allocate memory for "
+ "boot loader cache\n", __func__);
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_copy_bootloader;
+ }
+
+ ret_val = qla8044_lockless_flash_read_u32(vha, src,
+ p_cache, size/sizeof(uint32_t));
+ if (ret_val == QLA_FUNCTION_FAILED) {
+ ql_log(ql_log_fatal, vha, 0xb0a7,
+ "%s: Error reading F/W from flash!!!\n", __func__);
+ goto exit_copy_error;
+ }
+ ql_dbg(ql_dbg_p3p, vha, 0xb0a8, "%s: Read F/W from flash!\n",
+ __func__);
+
+ /* 128 bit/16 byte write to MS memory */
+ ret_val = qla8044_ms_mem_write_128b(vha, dest,
+ (uint32_t *)p_cache, count);
+ if (ret_val == QLA_FUNCTION_FAILED) {
+ ql_log(ql_log_fatal, vha, 0xb0a9,
+ "%s: Error writing F/W to MS !!!\n", __func__);
+ goto exit_copy_error;
+ }
+ ql_dbg(ql_dbg_p3p, vha, 0xb0aa,
+ "%s: Wrote F/W (size %d) to MS !!!\n",
+ __func__, size);
+
+exit_copy_error:
+ vfree(p_cache);
+
+exit_copy_bootloader:
+ return ret_val;
+}
+
+static int
+qla8044_restart(struct scsi_qla_host *vha)
+{
+ int ret_val = QLA_SUCCESS;
+ struct qla_hw_data *ha = vha->hw;
+
+ qla8044_process_stop_seq(vha);
+
+ /* Collect minidump */
+ if (ql2xmdenable)
+ qla8044_get_minidump(vha);
+ else
+ ql_log(ql_log_fatal, vha, 0xb14c,
+ "Minidump disabled.\n");
+
+ qla8044_process_init_seq(vha);
+
+ if (qla8044_copy_bootloader(vha)) {
+ ql_log(ql_log_fatal, vha, 0xb0ab,
+ "%s: Copy bootloader, firmware restart failed!\n",
+ __func__);
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_restart;
+ }
+
+ /*
+ * Loads F/W from flash
+ */
+ qla8044_wr_reg(ha, QLA8044_FW_IMAGE_VALID, QLA8044_BOOT_FROM_FLASH);
+
+ qla8044_process_start_seq(vha);
+
+exit_restart:
+ return ret_val;
+}
+
+/*
+ * 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)
+{
+ uint32_t val, ret_val = QLA_FUNCTION_FAILED;
+ int retries = CRB_CMDPEG_CHECK_RETRY_COUNT;
+ struct qla_hw_data *ha = vha->hw;
+
+ do {
+ val = qla8044_rd_reg(ha, QLA8044_CMDPEG_STATE);
+ if (val == PHAN_INITIALIZE_COMPLETE) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb0ac,
+ "%s: Command Peg initialization "
+ "complete! state=0x%x\n", __func__, val);
+ ret_val = QLA_SUCCESS;
+ break;
+ }
+ msleep(CRB_CMDPEG_CHECK_DELAY);
+ } while (--retries);
+
+ return ret_val;
+}
+
+static int
+qla8044_start_firmware(struct scsi_qla_host *vha)
+{
+ int ret_val = QLA_SUCCESS;
+
+ if (qla8044_restart(vha)) {
+ ql_log(ql_log_fatal, vha, 0xb0ad,
+ "%s: Restart Error!!!, Need Reset!!!\n",
+ __func__);
+ ret_val = QLA_FUNCTION_FAILED;
+ goto exit_start_fw;
+ } else
+ ql_dbg(ql_dbg_p3p, vha, 0xb0af,
+ "%s: Restart done!\n", __func__);
+
+ ret_val = qla8044_check_cmd_peg_status(vha);
+ if (ret_val) {
+ ql_log(ql_log_fatal, vha, 0xb0b0,
+ "%s: Peg not initialized!\n", __func__);
+ ret_val = QLA_FUNCTION_FAILED;
+ }
+
+exit_start_fw:
+ return ret_val;
+}
+
+void
+qla8044_clear_drv_active(struct qla_hw_data *ha)
+{
+ uint32_t drv_active;
+ struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
+
+ drv_active = qla8044_rd_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX);
+ drv_active &= ~(1 << (ha->portnum));
+
+ ql_log(ql_log_info, vha, 0xb0b1,
+ "%s(%ld): drv_active: 0x%08x\n",
+ __func__, vha->host_no, drv_active);
+
+ qla8044_wr_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX, drv_active);
+}
+
+/*
+ * 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)
+{
+ int rval = QLA_FUNCTION_FAILED;
+ int i;
+ uint32_t old_count = 0, count = 0;
+ int need_reset = 0;
+ uint32_t idc_ctrl;
+ struct qla_hw_data *ha = vha->hw;
+
+ need_reset = qla8044_need_reset(vha);
+
+ if (!need_reset) {
+ old_count = qla8044_rd_direct(vha,
+ QLA8044_PEG_ALIVE_COUNTER_INDEX);
+
+ for (i = 0; i < 10; i++) {
+ msleep(200);
+
+ count = qla8044_rd_direct(vha,
+ QLA8044_PEG_ALIVE_COUNTER_INDEX);
+ if (count != old_count) {
+ rval = QLA_SUCCESS;
+ goto dev_ready;
+ }
+ }
+ qla8044_flash_lock_recovery(vha);
+ } else {
+ /* We are trying to perform a recovery here. */
+ if (ha->flags.isp82xx_fw_hung)
+ qla8044_flash_lock_recovery(vha);
+ }
+
+ /* set to DEV_INITIALIZING */
+ ql_log(ql_log_info, vha, 0xb0b2,
+ "%s: HW State: INITIALIZING\n", __func__);
+ qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX,
+ QLA8XXX_DEV_INITIALIZING);
+
+ qla8044_idc_unlock(ha);
+ rval = qla8044_start_firmware(vha);
+ qla8044_idc_lock(ha);
+
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_info, vha, 0xb0b3,
+ "%s: HW State: FAILED\n", __func__);
+ qla8044_clear_drv_active(ha);
+ qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX,
+ QLA8XXX_DEV_FAILED);
+ return rval;
+ }
+
+ /* For ISP8044, If IDC_CTRL GRACEFUL_RESET_BIT1 is set , reset it after
+ * device goes to INIT state. */
+ idc_ctrl = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
+ if (idc_ctrl & GRACEFUL_RESET_BIT1) {
+ qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
+ (idc_ctrl & ~GRACEFUL_RESET_BIT1));
+ ha->fw_dumped = 0;
+ }
+
+dev_ready:
+ ql_log(ql_log_info, vha, 0xb0b4,
+ "%s: HW State: READY\n", __func__);
+ qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX, QLA8XXX_DEV_READY);
+
+ return rval;
+}
+
+/*-------------------------Reset Sequence Functions-----------------------*/
+static void
+qla8044_dump_reset_seq_hdr(struct scsi_qla_host *vha)
+{
+ u8 *phdr;
+
+ if (!vha->reset_tmplt.buff) {
+ ql_log(ql_log_fatal, vha, 0xb0b5,
+ "%s: Error Invalid reset_seq_template\n", __func__);
+ return;
+ }
+
+ phdr = vha->reset_tmplt.buff;
+ ql_dbg(ql_dbg_p3p, vha, 0xb0b6,
+ "Reset Template :\n\t0x%X 0x%X 0x%X 0x%X"
+ "0x%X 0x%X 0x%X 0x%X 0x%X 0x%X\n"
+ "\t0x%X 0x%X 0x%X 0x%X 0x%X 0x%X\n\n",
+ *phdr, *(phdr+1), *(phdr+2), *(phdr+3), *(phdr+4),
+ *(phdr+5), *(phdr+6), *(phdr+7), *(phdr + 8),
+ *(phdr+9), *(phdr+10), *(phdr+11), *(phdr+12),
+ *(phdr+13), *(phdr+14), *(phdr+15));
+}
+
+/*
+ * 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)
+{
+ uint32_t sum = 0;
+ uint16_t *buff = (uint16_t *)vha->reset_tmplt.buff;
+ int u16_count = vha->reset_tmplt.hdr->size / sizeof(uint16_t);
+
+ while (u16_count-- > 0)
+ sum += *buff++;
+
+ while (sum >> 16)
+ sum = (sum & 0xFFFF) + (sum >> 16);
+
+ /* checksum of 0 indicates a valid template */
+ if (~sum) {
+ return QLA_SUCCESS;
+ } else {
+ ql_log(ql_log_fatal, vha, 0xb0b7,
+ "%s: Reset seq checksum failed\n", __func__);
+ return QLA_FUNCTION_FAILED;
+ }
+}
+
+/*
+ * 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)
+{
+ uint8_t *p_buff;
+ uint32_t addr, tmplt_hdr_def_size, tmplt_hdr_size;
+
+ vha->reset_tmplt.seq_error = 0;
+ vha->reset_tmplt.buff = vmalloc(QLA8044_RESTART_TEMPLATE_SIZE);
+ if (vha->reset_tmplt.buff == NULL) {
+ ql_log(ql_log_fatal, vha, 0xb0b8,
+ "%s: Failed to allocate reset template resources\n",
+ __func__);
+ goto exit_read_reset_template;
+ }
+
+ p_buff = vha->reset_tmplt.buff;
+ addr = QLA8044_RESET_TEMPLATE_ADDR;
+
+ tmplt_hdr_def_size =
+ sizeof(struct qla8044_reset_template_hdr) / sizeof(uint32_t);
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0b9,
+ "%s: Read template hdr size %d from Flash\n",
+ __func__, tmplt_hdr_def_size);
+
+ /* Copy template header from flash */
+ if (qla8044_read_flash_data(vha, p_buff, addr, tmplt_hdr_def_size)) {
+ ql_log(ql_log_fatal, vha, 0xb0ba,
+ "%s: Failed to read reset template\n", __func__);
+ goto exit_read_template_error;
+ }
+
+ vha->reset_tmplt.hdr =
+ (struct qla8044_reset_template_hdr *) vha->reset_tmplt.buff;
+
+ /* Validate the template header size and signature */
+ tmplt_hdr_size = vha->reset_tmplt.hdr->hdr_size/sizeof(uint32_t);
+ if ((tmplt_hdr_size != tmplt_hdr_def_size) ||
+ (vha->reset_tmplt.hdr->signature != RESET_TMPLT_HDR_SIGNATURE)) {
+ ql_log(ql_log_fatal, vha, 0xb0bb,
+ "%s: Template Header size invalid %d "
+ "tmplt_hdr_def_size %d!!!\n", __func__,
+ tmplt_hdr_size, tmplt_hdr_def_size);
+ goto exit_read_template_error;
+ }
+
+ addr = QLA8044_RESET_TEMPLATE_ADDR + vha->reset_tmplt.hdr->hdr_size;
+ p_buff = vha->reset_tmplt.buff + vha->reset_tmplt.hdr->hdr_size;
+ tmplt_hdr_def_size = (vha->reset_tmplt.hdr->size -
+ vha->reset_tmplt.hdr->hdr_size)/sizeof(uint32_t);
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0bc,
+ "%s: Read rest of the template size %d\n",
+ __func__, vha->reset_tmplt.hdr->size);
+
+ /* Copy rest of the template */
+ if (qla8044_read_flash_data(vha, p_buff, addr, tmplt_hdr_def_size)) {
+ ql_log(ql_log_fatal, vha, 0xb0bd,
+ "%s: Failed to read reset tempelate\n", __func__);
+ goto exit_read_template_error;
+ }
+
+ /* Integrity check */
+ if (qla8044_reset_seq_checksum_test(vha)) {
+ ql_log(ql_log_fatal, vha, 0xb0be,
+ "%s: Reset Seq checksum failed!\n", __func__);
+ goto exit_read_template_error;
+ }
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0bf,
+ "%s: Reset Seq checksum passed! Get stop, "
+ "start and init seq offsets\n", __func__);
+
+ /* Get STOP, START, INIT sequence offsets */
+ vha->reset_tmplt.init_offset = vha->reset_tmplt.buff +
+ vha->reset_tmplt.hdr->init_seq_offset;
+
+ vha->reset_tmplt.start_offset = vha->reset_tmplt.buff +
+ vha->reset_tmplt.hdr->start_seq_offset;
+
+ vha->reset_tmplt.stop_offset = vha->reset_tmplt.buff +
+ vha->reset_tmplt.hdr->hdr_size;
+
+ qla8044_dump_reset_seq_hdr(vha);
+
+ goto exit_read_reset_template;
+
+exit_read_template_error:
+ vfree(vha->reset_tmplt.buff);
+
+exit_read_reset_template:
+ return;
+}
+
+void
+qla8044_set_idc_dontreset(struct scsi_qla_host *vha)
+{
+ uint32_t idc_ctrl;
+ struct qla_hw_data *ha = vha->hw;
+
+ idc_ctrl = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
+ idc_ctrl |= DONTRESET_BIT0;
+ ql_dbg(ql_dbg_p3p, vha, 0xb0c0,
+ "%s: idc_ctrl = %d\n", __func__, idc_ctrl);
+ qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL, idc_ctrl);
+}
+
+inline void
+qla8044_set_rst_ready(struct scsi_qla_host *vha)
+{
+ uint32_t drv_state;
+ struct qla_hw_data *ha = vha->hw;
+
+ drv_state = qla8044_rd_direct(vha, QLA8044_CRB_DRV_STATE_INDEX);
+
+ /* For ISP8044, drv_active register has 1 bit per function,
+ * shift 1 by func_num to set a bit for the function.*/
+ drv_state |= (1 << ha->portnum);
+
+ ql_log(ql_log_info, vha, 0xb0c1,
+ "%s(%ld): drv_state: 0x%08x\n",
+ __func__, vha->host_no, drv_state);
+ qla8044_wr_direct(vha, QLA8044_CRB_DRV_STATE_INDEX, drv_state);
+}
+
+/**
+ * qla8044_need_reset_handler - Code to start reset sequence
+ * @ha: pointer to adapter structure
+ *
+ * Note: IDC lock must be held upon entry
+ **/
+static void
+qla8044_need_reset_handler(struct scsi_qla_host *vha)
+{
+ uint32_t dev_state = 0, drv_state, drv_active;
+ unsigned long reset_timeout;
+ struct qla_hw_data *ha = vha->hw;
+
+ ql_log(ql_log_fatal, vha, 0xb0c2,
+ "%s: Performing ISP error recovery\n", __func__);
+
+ if (vha->flags.online) {
+ qla8044_idc_unlock(ha);
+ qla2x00_abort_isp_cleanup(vha);
+ ha->isp_ops->get_flash_version(vha, vha->req->ring);
+ ha->isp_ops->nvram_config(vha);
+ qla8044_idc_lock(ha);
+ }
+
+ dev_state = qla8044_rd_direct(vha,
+ QLA8044_CRB_DEV_STATE_INDEX);
+ drv_state = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_STATE_INDEX);
+ drv_active = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_ACTIVE_INDEX);
+
+ ql_log(ql_log_info, vha, 0xb0c5,
+ "%s(%ld): drv_state = 0x%x, drv_active = 0x%x dev_state = 0x%x\n",
+ __func__, vha->host_no, drv_state, drv_active, dev_state);
+
+ qla8044_set_rst_ready(vha);
+
+ /* wait for 10 seconds for reset ack from all functions */
+ reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
+
+ do {
+ if (time_after_eq(jiffies, reset_timeout)) {
+ ql_log(ql_log_info, vha, 0xb0c4,
+ "%s: Function %d: Reset Ack Timeout!, drv_state: 0x%08x, drv_active: 0x%08x\n",
+ __func__, ha->portnum, drv_state, drv_active);
+ break;
+ }
+
+ qla8044_idc_unlock(ha);
+ msleep(1000);
+ qla8044_idc_lock(ha);
+
+ dev_state = qla8044_rd_direct(vha,
+ QLA8044_CRB_DEV_STATE_INDEX);
+ drv_state = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_STATE_INDEX);
+ drv_active = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_ACTIVE_INDEX);
+ } while (((drv_state & drv_active) != drv_active) &&
+ (dev_state == QLA8XXX_DEV_NEED_RESET));
+
+ /* Remove IDC participation of functions not acknowledging */
+ if (drv_state != drv_active) {
+ ql_log(ql_log_info, vha, 0xb0c7,
+ "%s(%ld): Function %d turning off drv_active of non-acking function 0x%x\n",
+ __func__, vha->host_no, ha->portnum,
+ (drv_active ^ drv_state));
+ drv_active = drv_active & drv_state;
+ qla8044_wr_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX,
+ drv_active);
+ } else {
+ /*
+ * Reset owner should execute reset recovery,
+ * if all functions acknowledged
+ */
+ if ((ha->flags.nic_core_reset_owner) &&
+ (dev_state == QLA8XXX_DEV_NEED_RESET)) {
+ ha->flags.nic_core_reset_owner = 0;
+ qla8044_device_bootstrap(vha);
+ return;
+ }
+ }
+
+ /* Exit if non active function */
+ if (!(drv_active & (1 << ha->portnum))) {
+ ha->flags.nic_core_reset_owner = 0;
+ return;
+ }
+
+ /*
+ * Execute Reset Recovery if Reset Owner or Function 7
+ * is the only active function
+ */
+ if (ha->flags.nic_core_reset_owner ||
+ ((drv_state & drv_active) == QLA8044_FUN7_ACTIVE_INDEX)) {
+ ha->flags.nic_core_reset_owner = 0;
+ qla8044_device_bootstrap(vha);
+ }
+}
+
+static void
+qla8044_set_drv_active(struct scsi_qla_host *vha)
+{
+ uint32_t drv_active;
+ struct qla_hw_data *ha = vha->hw;
+
+ drv_active = qla8044_rd_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX);
+
+ /* For ISP8044, drv_active register has 1 bit per function,
+ * shift 1 by func_num to set a bit for the function.*/
+ drv_active |= (1 << ha->portnum);
+
+ ql_log(ql_log_info, vha, 0xb0c8,
+ "%s(%ld): drv_active: 0x%08x\n",
+ __func__, vha->host_no, drv_active);
+ qla8044_wr_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX, drv_active);
+}
+
+static int
+qla8044_check_drv_active(struct scsi_qla_host *vha)
+{
+ uint32_t drv_active;
+ struct qla_hw_data *ha = vha->hw;
+
+ drv_active = qla8044_rd_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX);
+ if (drv_active & (1 << ha->portnum))
+ return QLA_SUCCESS;
+ else
+ return QLA_TEST_FAILED;
+}
+
+static void
+qla8044_clear_idc_dontreset(struct scsi_qla_host *vha)
+{
+ uint32_t idc_ctrl;
+ struct qla_hw_data *ha = vha->hw;
+
+ idc_ctrl = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
+ idc_ctrl &= ~DONTRESET_BIT0;
+ ql_log(ql_log_info, vha, 0xb0c9,
+ "%s: idc_ctrl = %d\n", __func__,
+ idc_ctrl);
+ qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL, idc_ctrl);
+}
+
+static int
+qla8044_set_idc_ver(struct scsi_qla_host *vha)
+{
+ int idc_ver;
+ uint32_t drv_active;
+ int rval = QLA_SUCCESS;
+ struct qla_hw_data *ha = vha->hw;
+
+ drv_active = qla8044_rd_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX);
+ if (drv_active == (1 << ha->portnum)) {
+ idc_ver = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_IDC_VERSION_INDEX);
+ idc_ver &= (~0xFF);
+ idc_ver |= QLA8044_IDC_VER_MAJ_VALUE;
+ qla8044_wr_direct(vha, QLA8044_CRB_DRV_IDC_VERSION_INDEX,
+ idc_ver);
+ ql_log(ql_log_info, vha, 0xb0ca,
+ "%s: IDC version updated to %d\n",
+ __func__, idc_ver);
+ } else {
+ idc_ver = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_IDC_VERSION_INDEX);
+ idc_ver &= 0xFF;
+ if (QLA8044_IDC_VER_MAJ_VALUE != idc_ver) {
+ ql_log(ql_log_info, vha, 0xb0cb,
+ "%s: qla4xxx driver IDC version %d "
+ "is not compatible with IDC version %d "
+ "of other drivers!\n",
+ __func__, QLA8044_IDC_VER_MAJ_VALUE,
+ idc_ver);
+ rval = QLA_FUNCTION_FAILED;
+ goto exit_set_idc_ver;
+ }
+ }
+
+ /* Update IDC_MINOR_VERSION */
+ idc_ver = qla8044_rd_reg(ha, QLA8044_CRB_IDC_VER_MINOR);
+ idc_ver &= ~(0x03 << (ha->portnum * 2));
+ idc_ver |= (QLA8044_IDC_VER_MIN_VALUE << (ha->portnum * 2));
+ qla8044_wr_reg(ha, QLA8044_CRB_IDC_VER_MINOR, idc_ver);
+
+exit_set_idc_ver:
+ return rval;
+}
+
+static int
+qla8044_update_idc_reg(struct scsi_qla_host *vha)
+{
+ uint32_t drv_active;
+ int rval = QLA_SUCCESS;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (vha->flags.init_done)
+ goto exit_update_idc_reg;
+
+ qla8044_idc_lock(ha);
+ qla8044_set_drv_active(vha);
+
+ drv_active = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_ACTIVE_INDEX);
+
+ /* If we are the first driver to load and
+ * ql2xdontresethba is not set, clear IDC_CTRL BIT0. */
+ if ((drv_active == (1 << ha->portnum)) && !ql2xdontresethba)
+ qla8044_clear_idc_dontreset(vha);
+
+ rval = qla8044_set_idc_ver(vha);
+ if (rval == QLA_FUNCTION_FAILED)
+ qla8044_clear_drv_active(ha);
+ qla8044_idc_unlock(ha);
+
+exit_update_idc_reg:
+ return rval;
+}
+
+/**
+ * qla8044_need_qsnt_handler - Code to start qsnt
+ * @ha: pointer to adapter structure
+ **/
+static void
+qla8044_need_qsnt_handler(struct scsi_qla_host *vha)
+{
+ unsigned long qsnt_timeout;
+ uint32_t drv_state, drv_active, dev_state;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (vha->flags.online)
+ qla2x00_quiesce_io(vha);
+ else
+ return;
+
+ qla8044_set_qsnt_ready(vha);
+
+ /* Wait for 30 secs for all functions to ack qsnt mode */
+ qsnt_timeout = jiffies + (QSNT_ACK_TOV * HZ);
+ drv_state = qla8044_rd_direct(vha, QLA8044_CRB_DRV_STATE_INDEX);
+ drv_active = qla8044_rd_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX);
+
+ /* Shift drv_active by 1 to match drv_state. As quiescent ready bit
+ position is at bit 1 and drv active is at bit 0 */
+ drv_active = drv_active << 1;
+
+ while (drv_state != drv_active) {
+ if (time_after_eq(jiffies, qsnt_timeout)) {
+ /* Other functions did not ack, changing state to
+ * DEV_READY
+ */
+ clear_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
+ qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX,
+ QLA8XXX_DEV_READY);
+ qla8044_clear_qsnt_ready(vha);
+ ql_log(ql_log_info, vha, 0xb0cc,
+ "Timeout waiting for quiescent ack!!!\n");
+ return;
+ }
+ qla8044_idc_unlock(ha);
+ msleep(1000);
+ qla8044_idc_lock(ha);
+
+ drv_state = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_STATE_INDEX);
+ drv_active = qla8044_rd_direct(vha,
+ QLA8044_CRB_DRV_ACTIVE_INDEX);
+ drv_active = drv_active << 1;
+ }
+
+ /* All functions have Acked. Set quiescent state */
+ dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX);
+
+ if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
+ qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX,
+ QLA8XXX_DEV_QUIESCENT);
+ ql_log(ql_log_info, vha, 0xb0cd,
+ "%s: HW State: QUIESCENT\n", __func__);
+ }
+}
+
+/*
+ * 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)
+{
+ uint32_t dev_state;
+ int rval = QLA_SUCCESS;
+ unsigned long dev_init_timeout;
+ struct qla_hw_data *ha = vha->hw;
+
+ rval = qla8044_update_idc_reg(vha);
+ if (rval == QLA_FUNCTION_FAILED)
+ goto exit_error;
+
+ dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX);
+ ql_dbg(ql_dbg_p3p, vha, 0xb0ce,
+ "Device state is 0x%x = %s\n",
+ dev_state, dev_state < MAX_STATES ?
+ qdev_state(dev_state) : "Unknown");
+
+ /* wait for 30 seconds for device to go ready */
+ dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
+
+ qla8044_idc_lock(ha);
+
+ while (1) {
+ if (time_after_eq(jiffies, dev_init_timeout)) {
+ if (qla8044_check_drv_active(vha) == QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0xb0cf,
+ "%s: Device Init Failed 0x%x = %s\n",
+ QLA2XXX_DRIVER_NAME, dev_state,
+ dev_state < MAX_STATES ?
+ qdev_state(dev_state) : "Unknown");
+ qla8044_wr_direct(vha,
+ QLA8044_CRB_DEV_STATE_INDEX,
+ QLA8XXX_DEV_FAILED);
+ }
+ }
+
+ dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX);
+ ql_log(ql_log_info, vha, 0xb0d0,
+ "Device state is 0x%x = %s\n",
+ dev_state, dev_state < MAX_STATES ?
+ qdev_state(dev_state) : "Unknown");
+
+ /* NOTE: Make sure idc unlocked upon exit of switch statement */
+ switch (dev_state) {
+ case QLA8XXX_DEV_READY:
+ ha->flags.nic_core_reset_owner = 0;
+ goto exit;
+ case QLA8XXX_DEV_COLD:
+ rval = qla8044_device_bootstrap(vha);
+ break;
+ case QLA8XXX_DEV_INITIALIZING:
+ qla8044_idc_unlock(ha);
+ msleep(1000);
+ qla8044_idc_lock(ha);
+ break;
+ case QLA8XXX_DEV_NEED_RESET:
+ /* For ISP8044, if NEED_RESET is set by any driver,
+ * it should be honored, irrespective of IDC_CTRL
+ * DONTRESET_BIT0 */
+ qla8044_need_reset_handler(vha);
+ break;
+ case QLA8XXX_DEV_NEED_QUIESCENT:
+ /* idc locked/unlocked in handler */
+ qla8044_need_qsnt_handler(vha);
+
+ /* Reset the init timeout after qsnt handler */
+ dev_init_timeout = jiffies +
+ (ha->fcoe_reset_timeout * HZ);
+ break;
+ case QLA8XXX_DEV_QUIESCENT:
+ ql_log(ql_log_info, vha, 0xb0d1,
+ "HW State: QUIESCENT\n");
+
+ qla8044_idc_unlock(ha);
+ msleep(1000);
+ qla8044_idc_lock(ha);
+
+ /* Reset the init timeout after qsnt handler */
+ dev_init_timeout = jiffies +
+ (ha->fcoe_reset_timeout * HZ);
+ break;
+ case QLA8XXX_DEV_FAILED:
+ ha->flags.nic_core_reset_owner = 0;
+ qla8044_idc_unlock(ha);
+ qla8xxx_dev_failed_handler(vha);
+ rval = QLA_FUNCTION_FAILED;
+ qla8044_idc_lock(ha);
+ goto exit;
+ default:
+ qla8044_idc_unlock(ha);
+ qla8xxx_dev_failed_handler(vha);
+ rval = QLA_FUNCTION_FAILED;
+ qla8044_idc_lock(ha);
+ goto exit;
+ }
+ }
+exit:
+ qla8044_idc_unlock(ha);
+
+exit_error:
+ return rval;
+}
+
+/**
+ * qla4_8xxx_check_temp - Check the ISP82XX temperature.
+ * @ha: adapter block pointer.
+ *
+ * Note: The caller should not hold the idc lock.
+ **/
+static int
+qla8044_check_temp(struct scsi_qla_host *vha)
+{
+ uint32_t temp, temp_state, temp_val;
+ int status = QLA_SUCCESS;
+
+ temp = qla8044_rd_direct(vha, QLA8044_CRB_TEMP_STATE_INDEX);
+ temp_state = qla82xx_get_temp_state(temp);
+ temp_val = qla82xx_get_temp_val(temp);
+
+ if (temp_state == QLA82XX_TEMP_PANIC) {
+ ql_log(ql_log_warn, vha, 0xb0d2,
+ "Device temperature %d degrees C"
+ " exceeds maximum allowed. Hardware has been shut"
+ " down\n", temp_val);
+ status = QLA_FUNCTION_FAILED;
+ return status;
+ } else if (temp_state == QLA82XX_TEMP_WARN) {
+ ql_log(ql_log_warn, vha, 0xb0d3,
+ "Device temperature %d"
+ " degrees C exceeds operating range."
+ " Immediate action needed.\n", temp_val);
+ }
+ return 0;
+}
+
+int qla8044_read_temperature(scsi_qla_host_t *vha)
+{
+ uint32_t temp;
+
+ temp = qla8044_rd_direct(vha, QLA8044_CRB_TEMP_STATE_INDEX);
+ return qla82xx_get_temp_val(temp);
+}
+
+/**
+ * qla8044_check_fw_alive - Check firmware health
+ * @ha: Pointer to host adapter structure.
+ *
+ * Context: Interrupt
+ **/
+int
+qla8044_check_fw_alive(struct scsi_qla_host *vha)
+{
+ uint32_t fw_heartbeat_counter;
+ uint32_t halt_status1, halt_status2;
+ int status = QLA_SUCCESS;
+
+ fw_heartbeat_counter = qla8044_rd_direct(vha,
+ QLA8044_PEG_ALIVE_COUNTER_INDEX);
+
+ /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
+ if (fw_heartbeat_counter == 0xffffffff) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb0d4,
+ "scsi%ld: %s: Device in frozen "
+ "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
+ vha->host_no, __func__);
+ return status;
+ }
+
+ if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
+ vha->seconds_since_last_heartbeat++;
+ /* FW not alive after 2 seconds */
+ if (vha->seconds_since_last_heartbeat == 2) {
+ vha->seconds_since_last_heartbeat = 0;
+ halt_status1 = qla8044_rd_direct(vha,
+ QLA8044_PEG_HALT_STATUS1_INDEX);
+ halt_status2 = qla8044_rd_direct(vha,
+ QLA8044_PEG_HALT_STATUS2_INDEX);
+
+ ql_log(ql_log_info, vha, 0xb0d5,
+ "scsi(%ld): %s, ISP8044 "
+ "Dumping hw/fw registers:\n"
+ " PEG_HALT_STATUS1: 0x%x, "
+ "PEG_HALT_STATUS2: 0x%x,\n",
+ vha->host_no, __func__, halt_status1,
+ halt_status2);
+ status = QLA_FUNCTION_FAILED;
+ }
+ } else
+ vha->seconds_since_last_heartbeat = 0;
+
+ vha->fw_heartbeat_counter = fw_heartbeat_counter;
+ return status;
+}
+
+void
+qla8044_watchdog(struct scsi_qla_host *vha)
+{
+ uint32_t dev_state, halt_status;
+ int halt_status_unrecoverable = 0;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* don't poll if reset is going on or FW hang in quiescent state */
+ if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+ test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))) {
+ dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX);
+
+ if (qla8044_check_fw_alive(vha)) {
+ ha->flags.isp82xx_fw_hung = 1;
+ ql_log(ql_log_warn, vha, 0xb10a,
+ "Firmware hung.\n");
+ qla82xx_clear_pending_mbx(vha);
+ }
+
+ if (qla8044_check_temp(vha)) {
+ set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
+ ha->flags.isp82xx_fw_hung = 1;
+ qla2xxx_wake_dpc(vha);
+ } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
+ !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
+ ql_log(ql_log_info, vha, 0xb0d6,
+ "%s: HW State: NEED RESET!\n",
+ __func__);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
+ !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
+ ql_log(ql_log_info, vha, 0xb0d7,
+ "%s: HW State: NEED QUIES detected!\n",
+ __func__);
+ set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ } else {
+ /* Check firmware health */
+ if (ha->flags.isp82xx_fw_hung) {
+ halt_status = qla8044_rd_direct(vha,
+ QLA8044_PEG_HALT_STATUS1_INDEX);
+ if (halt_status &
+ QLA8044_HALT_STATUS_FW_RESET) {
+ ql_log(ql_log_fatal, vha,
+ 0xb0d8, "%s: Firmware "
+ "error detected device "
+ "is being reset\n",
+ __func__);
+ } else if (halt_status &
+ QLA8044_HALT_STATUS_UNRECOVERABLE) {
+ halt_status_unrecoverable = 1;
+ }
+
+ /* Since we cannot change dev_state in interrupt
+ * context, set appropriate DPC flag then wakeup
+ * DPC */
+ if (halt_status_unrecoverable) {
+ set_bit(ISP_UNRECOVERABLE,
+ &vha->dpc_flags);
+ } else {
+ if (dev_state ==
+ QLA8XXX_DEV_QUIESCENT) {
+ set_bit(FCOE_CTX_RESET_NEEDED,
+ &vha->dpc_flags);
+ ql_log(ql_log_info, vha, 0xb0d9,
+ "%s: FW CONTEXT Reset "
+ "needed!\n", __func__);
+ } else {
+ ql_log(ql_log_info, vha,
+ 0xb0da, "%s: "
+ "detect abort needed\n",
+ __func__);
+ set_bit(ISP_ABORT_NEEDED,
+ &vha->dpc_flags);
+ }
+ }
+ qla2xxx_wake_dpc(vha);
+ }
+ }
+
+ }
+}
+
+static int
+qla8044_minidump_process_control(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr)
+{
+ struct qla8044_minidump_entry_crb *crb_entry;
+ uint32_t read_value, opcode, poll_time, addr, index;
+ uint32_t crb_addr, rval = QLA_SUCCESS;
+ unsigned long wtime;
+ struct qla8044_minidump_template_hdr *tmplt_hdr;
+ int i;
+ struct qla_hw_data *ha = vha->hw;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0dd, "Entering fn: %s\n", __func__);
+ tmplt_hdr = (struct qla8044_minidump_template_hdr *)
+ ha->md_tmplt_hdr;
+ crb_entry = (struct qla8044_minidump_entry_crb *)entry_hdr;
+
+ crb_addr = crb_entry->addr;
+ for (i = 0; i < crb_entry->op_count; i++) {
+ opcode = crb_entry->crb_ctrl.opcode;
+
+ if (opcode & QLA82XX_DBG_OPCODE_WR) {
+ qla8044_wr_reg_indirect(vha, crb_addr,
+ crb_entry->value_1);
+ opcode &= ~QLA82XX_DBG_OPCODE_WR;
+ }
+
+ if (opcode & QLA82XX_DBG_OPCODE_RW) {
+ qla8044_rd_reg_indirect(vha, crb_addr, &read_value);
+ qla8044_wr_reg_indirect(vha, crb_addr, read_value);
+ opcode &= ~QLA82XX_DBG_OPCODE_RW;
+ }
+
+ if (opcode & QLA82XX_DBG_OPCODE_AND) {
+ qla8044_rd_reg_indirect(vha, crb_addr, &read_value);
+ read_value &= crb_entry->value_2;
+ opcode &= ~QLA82XX_DBG_OPCODE_AND;
+ if (opcode & QLA82XX_DBG_OPCODE_OR) {
+ read_value |= crb_entry->value_3;
+ opcode &= ~QLA82XX_DBG_OPCODE_OR;
+ }
+ qla8044_wr_reg_indirect(vha, crb_addr, read_value);
+ }
+ if (opcode & QLA82XX_DBG_OPCODE_OR) {
+ qla8044_rd_reg_indirect(vha, crb_addr, &read_value);
+ read_value |= crb_entry->value_3;
+ qla8044_wr_reg_indirect(vha, crb_addr, read_value);
+ opcode &= ~QLA82XX_DBG_OPCODE_OR;
+ }
+ if (opcode & QLA82XX_DBG_OPCODE_POLL) {
+ poll_time = crb_entry->crb_strd.poll_timeout;
+ wtime = jiffies + poll_time;
+ qla8044_rd_reg_indirect(vha, crb_addr, &read_value);
+
+ do {
+ if ((read_value & crb_entry->value_2) ==
+ crb_entry->value_1) {
+ break;
+ } else if (time_after_eq(jiffies, wtime)) {
+ /* capturing dump failed */
+ rval = QLA_FUNCTION_FAILED;
+ break;
+ } else {
+ qla8044_rd_reg_indirect(vha,
+ crb_addr, &read_value);
+ }
+ } while (1);
+ opcode &= ~QLA82XX_DBG_OPCODE_POLL;
+ }
+
+ if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
+ if (crb_entry->crb_strd.state_index_a) {
+ index = crb_entry->crb_strd.state_index_a;
+ addr = tmplt_hdr->saved_state_array[index];
+ } else {
+ addr = crb_addr;
+ }
+
+ qla8044_rd_reg_indirect(vha, addr, &read_value);
+ index = crb_entry->crb_ctrl.state_index_v;
+ tmplt_hdr->saved_state_array[index] = read_value;
+ opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE;
+ }
+
+ if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
+ if (crb_entry->crb_strd.state_index_a) {
+ index = crb_entry->crb_strd.state_index_a;
+ addr = tmplt_hdr->saved_state_array[index];
+ } else {
+ addr = crb_addr;
+ }
+
+ if (crb_entry->crb_ctrl.state_index_v) {
+ index = crb_entry->crb_ctrl.state_index_v;
+ read_value =
+ tmplt_hdr->saved_state_array[index];
+ } else {
+ read_value = crb_entry->value_1;
+ }
+
+ qla8044_wr_reg_indirect(vha, addr, read_value);
+ opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE;
+ }
+
+ if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
+ index = crb_entry->crb_ctrl.state_index_v;
+ read_value = tmplt_hdr->saved_state_array[index];
+ read_value <<= crb_entry->crb_ctrl.shl;
+ read_value >>= crb_entry->crb_ctrl.shr;
+ if (crb_entry->value_2)
+ read_value &= crb_entry->value_2;
+ read_value |= crb_entry->value_3;
+ read_value += crb_entry->value_1;
+ tmplt_hdr->saved_state_array[index] = read_value;
+ opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE;
+ }
+ crb_addr += crb_entry->crb_strd.addr_stride;
+ }
+ return rval;
+}
+
+static void
+qla8044_minidump_process_rdcrb(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ uint32_t r_addr, r_stride, loop_cnt, i, r_value;
+ struct qla8044_minidump_entry_crb *crb_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0de, "Entering fn: %s\n", __func__);
+ crb_hdr = (struct qla8044_minidump_entry_crb *)entry_hdr;
+ r_addr = crb_hdr->addr;
+ r_stride = crb_hdr->crb_strd.addr_stride;
+ loop_cnt = crb_hdr->op_count;
+
+ for (i = 0; i < loop_cnt; i++) {
+ qla8044_rd_reg_indirect(vha, r_addr, &r_value);
+ *data_ptr++ = r_addr;
+ *data_ptr++ = r_value;
+ r_addr += r_stride;
+ }
+ *d_ptr = data_ptr;
+}
+
+static int
+qla8044_minidump_process_rdmem(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ uint32_t r_addr, r_value, r_data;
+ uint32_t i, j, loop_cnt;
+ struct qla8044_minidump_entry_rdmem *m_hdr;
+ unsigned long flags;
+ uint32_t *data_ptr = *d_ptr;
+ struct qla_hw_data *ha = vha->hw;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0df, "Entering fn: %s\n", __func__);
+ m_hdr = (struct qla8044_minidump_entry_rdmem *)entry_hdr;
+ r_addr = m_hdr->read_addr;
+ loop_cnt = m_hdr->read_data_size/16;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0f0,
+ "[%s]: Read addr: 0x%x, read_data_size: 0x%x\n",
+ __func__, r_addr, m_hdr->read_data_size);
+
+ if (r_addr & 0xf) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb0f1,
+ "[%s]: Read addr 0x%x not 16 bytes aligned\n",
+ __func__, r_addr);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ if (m_hdr->read_data_size % 16) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb0f2,
+ "[%s]: Read data[0x%x] not multiple of 16 bytes\n",
+ __func__, m_hdr->read_data_size);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0f3,
+ "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
+ __func__, r_addr, m_hdr->read_data_size, loop_cnt);
+
+ write_lock_irqsave(&ha->hw_lock, flags);
+ for (i = 0; i < loop_cnt; i++) {
+ qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_ADDR_LO, r_addr);
+ r_value = 0;
+ qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_ADDR_HI, r_value);
+ r_value = MIU_TA_CTL_ENABLE;
+ qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL, r_value);
+ r_value = MIU_TA_CTL_START_ENABLE;
+ qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL, r_value);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ qla8044_rd_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL,
+ &r_value);
+ if ((r_value & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ return QLA_SUCCESS;
+ }
+
+ for (j = 0; j < 4; j++) {
+ qla8044_rd_reg_indirect(vha, MD_MIU_TEST_AGT_RDDATA[j],
+ &r_data);
+ *data_ptr++ = r_data;
+ }
+
+ r_addr += 16;
+ }
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0f4,
+ "Leaving fn: %s datacount: 0x%x\n",
+ __func__, (loop_cnt * 16));
+
+ *d_ptr = data_ptr;
+ return QLA_SUCCESS;
+}
+
+/* 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)
+{
+ uint32_t fl_addr, u32_count, rval;
+ struct qla8044_minidump_entry_rdrom *rom_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ rom_hdr = (struct qla8044_minidump_entry_rdrom *)entry_hdr;
+ fl_addr = rom_hdr->read_addr;
+ u32_count = (rom_hdr->read_data_size)/sizeof(uint32_t);
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0f5, "[%s]: fl_addr: 0x%x, count: 0x%x\n",
+ __func__, fl_addr, u32_count);
+
+ rval = qla8044_lockless_flash_read_u32(vha, fl_addr,
+ (u8 *)(data_ptr), u32_count);
+
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_fatal, vha, 0xb0f6,
+ "%s: Flash Read Error,Count=%d\n", __func__, u32_count);
+ return QLA_FUNCTION_FAILED;
+ } else {
+ data_ptr += u32_count;
+ *d_ptr = data_ptr;
+ return QLA_SUCCESS;
+ }
+}
+
+static void
+qla8044_mark_entry_skipped(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, int index)
+{
+ entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
+
+ ql_log(ql_log_info, vha, 0xb0f7,
+ "scsi(%ld): Skipping entry[%d]: ETYPE[0x%x]-ELEVEL[0x%x]\n",
+ vha->host_no, index, entry_hdr->entry_type,
+ entry_hdr->d_ctrl.entry_capture_mask);
+}
+
+static int
+qla8044_minidump_process_l2tag(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr,
+ uint32_t **d_ptr)
+{
+ uint32_t addr, r_addr, c_addr, t_r_addr;
+ uint32_t i, k, loop_count, t_value, r_cnt, r_value;
+ unsigned long p_wait, w_time, p_mask;
+ uint32_t c_value_w, c_value_r;
+ struct qla8044_minidump_entry_cache *cache_hdr;
+ int rval = QLA_FUNCTION_FAILED;
+ uint32_t *data_ptr = *d_ptr;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0f8, "Entering fn: %s\n", __func__);
+ cache_hdr = (struct qla8044_minidump_entry_cache *)entry_hdr;
+
+ loop_count = cache_hdr->op_count;
+ r_addr = cache_hdr->read_addr;
+ c_addr = cache_hdr->control_addr;
+ c_value_w = cache_hdr->cache_ctrl.write_value;
+
+ t_r_addr = cache_hdr->tag_reg_addr;
+ t_value = cache_hdr->addr_ctrl.init_tag_value;
+ r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
+ p_wait = cache_hdr->cache_ctrl.poll_wait;
+ p_mask = cache_hdr->cache_ctrl.poll_mask;
+
+ for (i = 0; i < loop_count; i++) {
+ qla8044_wr_reg_indirect(vha, t_r_addr, t_value);
+ if (c_value_w)
+ qla8044_wr_reg_indirect(vha, c_addr, c_value_w);
+
+ if (p_mask) {
+ w_time = jiffies + p_wait;
+ do {
+ qla8044_rd_reg_indirect(vha, c_addr,
+ &c_value_r);
+ if ((c_value_r & p_mask) == 0) {
+ break;
+ } else if (time_after_eq(jiffies, w_time)) {
+ /* capturing dump failed */
+ return rval;
+ }
+ } while (1);
+ }
+
+ addr = r_addr;
+ for (k = 0; k < r_cnt; k++) {
+ qla8044_rd_reg_indirect(vha, addr, &r_value);
+ *data_ptr++ = r_value;
+ addr += cache_hdr->read_ctrl.read_addr_stride;
+ }
+ t_value += cache_hdr->addr_ctrl.tag_value_stride;
+ }
+ *d_ptr = data_ptr;
+ return QLA_SUCCESS;
+}
+
+static void
+qla8044_minidump_process_l1cache(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ uint32_t addr, r_addr, c_addr, t_r_addr;
+ uint32_t i, k, loop_count, t_value, r_cnt, r_value;
+ uint32_t c_value_w;
+ struct qla8044_minidump_entry_cache *cache_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ cache_hdr = (struct qla8044_minidump_entry_cache *)entry_hdr;
+ loop_count = cache_hdr->op_count;
+ r_addr = cache_hdr->read_addr;
+ c_addr = cache_hdr->control_addr;
+ c_value_w = cache_hdr->cache_ctrl.write_value;
+
+ t_r_addr = cache_hdr->tag_reg_addr;
+ t_value = cache_hdr->addr_ctrl.init_tag_value;
+ r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
+
+ for (i = 0; i < loop_count; i++) {
+ qla8044_wr_reg_indirect(vha, t_r_addr, t_value);
+ qla8044_wr_reg_indirect(vha, c_addr, c_value_w);
+ addr = r_addr;
+ for (k = 0; k < r_cnt; k++) {
+ qla8044_rd_reg_indirect(vha, addr, &r_value);
+ *data_ptr++ = r_value;
+ addr += cache_hdr->read_ctrl.read_addr_stride;
+ }
+ t_value += cache_hdr->addr_ctrl.tag_value_stride;
+ }
+ *d_ptr = data_ptr;
+}
+
+static void
+qla8044_minidump_process_rdocm(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ uint32_t r_addr, r_stride, loop_cnt, i, r_value;
+ struct qla8044_minidump_entry_rdocm *ocm_hdr;
+ uint32_t *data_ptr = *d_ptr;
+ struct qla_hw_data *ha = vha->hw;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0f9, "Entering fn: %s\n", __func__);
+
+ ocm_hdr = (struct qla8044_minidump_entry_rdocm *)entry_hdr;
+ r_addr = ocm_hdr->read_addr;
+ r_stride = ocm_hdr->read_addr_stride;
+ loop_cnt = ocm_hdr->op_count;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0fa,
+ "[%s]: r_addr: 0x%x, r_stride: 0x%x, loop_cnt: 0x%x\n",
+ __func__, r_addr, r_stride, loop_cnt);
+
+ for (i = 0; i < loop_cnt; i++) {
+ r_value = readl((void __iomem *)(r_addr + ha->nx_pcibase));
+ *data_ptr++ = r_value;
+ r_addr += r_stride;
+ }
+ ql_dbg(ql_dbg_p3p, vha, 0xb0fb, "Leaving fn: %s datacount: 0x%lx\n",
+ __func__, (long unsigned int) (loop_cnt * sizeof(uint32_t)));
+
+ *d_ptr = data_ptr;
+}
+
+static void
+qla8044_minidump_process_rdmux(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr,
+ uint32_t **d_ptr)
+{
+ uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
+ struct qla8044_minidump_entry_mux *mux_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0fc, "Entering fn: %s\n", __func__);
+
+ mux_hdr = (struct qla8044_minidump_entry_mux *)entry_hdr;
+ r_addr = mux_hdr->read_addr;
+ s_addr = mux_hdr->select_addr;
+ s_stride = mux_hdr->select_value_stride;
+ s_value = mux_hdr->select_value;
+ loop_cnt = mux_hdr->op_count;
+
+ for (i = 0; i < loop_cnt; i++) {
+ qla8044_wr_reg_indirect(vha, s_addr, s_value);
+ qla8044_rd_reg_indirect(vha, r_addr, &r_value);
+ *data_ptr++ = s_value;
+ *data_ptr++ = r_value;
+ s_value += s_stride;
+ }
+ *d_ptr = data_ptr;
+}
+
+static void
+qla8044_minidump_process_queue(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr,
+ uint32_t **d_ptr)
+{
+ uint32_t s_addr, r_addr;
+ uint32_t r_stride, r_value, r_cnt, qid = 0;
+ uint32_t i, k, loop_cnt;
+ struct qla8044_minidump_entry_queue *q_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb0fd, "Entering fn: %s\n", __func__);
+ q_hdr = (struct qla8044_minidump_entry_queue *)entry_hdr;
+ s_addr = q_hdr->select_addr;
+ r_cnt = q_hdr->rd_strd.read_addr_cnt;
+ r_stride = q_hdr->rd_strd.read_addr_stride;
+ loop_cnt = q_hdr->op_count;
+
+ for (i = 0; i < loop_cnt; i++) {
+ qla8044_wr_reg_indirect(vha, s_addr, qid);
+ r_addr = q_hdr->read_addr;
+ for (k = 0; k < r_cnt; k++) {
+ qla8044_rd_reg_indirect(vha, r_addr, &r_value);
+ *data_ptr++ = r_value;
+ r_addr += r_stride;
+ }
+ qid += q_hdr->q_strd.queue_id_stride;
+ }
+ *d_ptr = data_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)
+{
+ uint32_t r_addr, s_addr, s_value, r_value, poll_wait, poll_mask;
+ uint16_t s_stride, i;
+ struct qla8044_minidump_entry_pollrd *pollrd_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ pollrd_hdr = (struct qla8044_minidump_entry_pollrd *) entry_hdr;
+ s_addr = pollrd_hdr->select_addr;
+ r_addr = pollrd_hdr->read_addr;
+ s_value = pollrd_hdr->select_value;
+ s_stride = pollrd_hdr->select_value_stride;
+
+ poll_wait = pollrd_hdr->poll_wait;
+ poll_mask = pollrd_hdr->poll_mask;
+
+ for (i = 0; i < pollrd_hdr->op_count; i++) {
+ qla8044_wr_reg_indirect(vha, s_addr, s_value);
+ poll_wait = pollrd_hdr->poll_wait;
+ while (1) {
+ qla8044_rd_reg_indirect(vha, s_addr, &r_value);
+ if ((r_value & poll_mask) != 0) {
+ break;
+ } else {
+ usleep_range(1000, 1100);
+ if (--poll_wait == 0) {
+ ql_log(ql_log_fatal, vha, 0xb0fe,
+ "%s: TIMEOUT\n", __func__);
+ goto error;
+ }
+ }
+ }
+ qla8044_rd_reg_indirect(vha, r_addr, &r_value);
+ *data_ptr++ = s_value;
+ *data_ptr++ = r_value;
+
+ s_value += s_stride;
+ }
+ *d_ptr = data_ptr;
+ return QLA_SUCCESS;
+
+error:
+ return QLA_FUNCTION_FAILED;
+}
+
+static void
+qla8044_minidump_process_rdmux2(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ uint32_t sel_val1, sel_val2, t_sel_val, data, i;
+ uint32_t sel_addr1, sel_addr2, sel_val_mask, read_addr;
+ struct qla8044_minidump_entry_rdmux2 *rdmux2_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ rdmux2_hdr = (struct qla8044_minidump_entry_rdmux2 *) entry_hdr;
+ sel_val1 = rdmux2_hdr->select_value_1;
+ sel_val2 = rdmux2_hdr->select_value_2;
+ sel_addr1 = rdmux2_hdr->select_addr_1;
+ sel_addr2 = rdmux2_hdr->select_addr_2;
+ sel_val_mask = rdmux2_hdr->select_value_mask;
+ read_addr = rdmux2_hdr->read_addr;
+
+ for (i = 0; i < rdmux2_hdr->op_count; i++) {
+ qla8044_wr_reg_indirect(vha, sel_addr1, sel_val1);
+ t_sel_val = sel_val1 & sel_val_mask;
+ *data_ptr++ = t_sel_val;
+
+ qla8044_wr_reg_indirect(vha, sel_addr2, t_sel_val);
+ qla8044_rd_reg_indirect(vha, read_addr, &data);
+
+ *data_ptr++ = data;
+
+ qla8044_wr_reg_indirect(vha, sel_addr1, sel_val2);
+ t_sel_val = sel_val2 & sel_val_mask;
+ *data_ptr++ = t_sel_val;
+
+ qla8044_wr_reg_indirect(vha, sel_addr2, t_sel_val);
+ qla8044_rd_reg_indirect(vha, read_addr, &data);
+
+ *data_ptr++ = data;
+
+ sel_val1 += rdmux2_hdr->select_value_stride;
+ sel_val2 += rdmux2_hdr->select_value_stride;
+ }
+
+ *d_ptr = data_ptr;
+}
+
+static uint32_t
+qla8044_minidump_process_pollrdmwr(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr,
+ uint32_t **d_ptr)
+{
+ uint32_t poll_wait, poll_mask, r_value, data;
+ uint32_t addr_1, addr_2, value_1, value_2;
+ struct qla8044_minidump_entry_pollrdmwr *poll_hdr;
+ uint32_t *data_ptr = *d_ptr;
+
+ poll_hdr = (struct qla8044_minidump_entry_pollrdmwr *) entry_hdr;
+ addr_1 = poll_hdr->addr_1;
+ addr_2 = poll_hdr->addr_2;
+ value_1 = poll_hdr->value_1;
+ value_2 = poll_hdr->value_2;
+ poll_mask = poll_hdr->poll_mask;
+
+ qla8044_wr_reg_indirect(vha, addr_1, value_1);
+
+ poll_wait = poll_hdr->poll_wait;
+ while (1) {
+ qla8044_rd_reg_indirect(vha, addr_1, &r_value);
+
+ if ((r_value & poll_mask) != 0) {
+ break;
+ } else {
+ usleep_range(1000, 1100);
+ if (--poll_wait == 0) {
+ ql_log(ql_log_fatal, vha, 0xb0ff,
+ "%s: TIMEOUT\n", __func__);
+ goto error;
+ }
+ }
+ }
+
+ qla8044_rd_reg_indirect(vha, addr_2, &data);
+ data &= poll_hdr->modify_mask;
+ qla8044_wr_reg_indirect(vha, addr_2, data);
+ qla8044_wr_reg_indirect(vha, addr_1, value_2);
+
+ poll_wait = poll_hdr->poll_wait;
+ while (1) {
+ qla8044_rd_reg_indirect(vha, addr_1, &r_value);
+
+ if ((r_value & poll_mask) != 0) {
+ break;
+ } else {
+ usleep_range(1000, 1100);
+ if (--poll_wait == 0) {
+ ql_log(ql_log_fatal, vha, 0xb100,
+ "%s: TIMEOUT2\n", __func__);
+ goto error;
+ }
+ }
+ }
+
+ *data_ptr++ = addr_2;
+ *data_ptr++ = data;
+
+ *d_ptr = data_ptr;
+
+ return QLA_SUCCESS;
+
+error:
+ return QLA_FUNCTION_FAILED;
+}
+
+#define ISP8044_PEX_DMA_ENGINE_INDEX 8
+#define ISP8044_PEX_DMA_BASE_ADDRESS 0x77320000
+#define ISP8044_PEX_DMA_NUM_OFFSET 0x10000
+#define ISP8044_PEX_DMA_CMD_ADDR_LOW 0x0
+#define ISP8044_PEX_DMA_CMD_ADDR_HIGH 0x04
+#define ISP8044_PEX_DMA_CMD_STS_AND_CNTRL 0x08
+
+#define ISP8044_PEX_DMA_READ_SIZE (16 * 1024)
+#define ISP8044_PEX_DMA_MAX_WAIT (100 * 100) /* Max wait of 100 msecs */
+
+static int
+qla8044_check_dma_engine_state(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int rval = QLA_SUCCESS;
+ uint32_t dma_eng_num = 0, cmd_sts_and_cntrl = 0;
+ uint64_t dma_base_addr = 0;
+ struct qla8044_minidump_template_hdr *tmplt_hdr = NULL;
+
+ tmplt_hdr = ha->md_tmplt_hdr;
+ dma_eng_num =
+ tmplt_hdr->saved_state_array[ISP8044_PEX_DMA_ENGINE_INDEX];
+ dma_base_addr = ISP8044_PEX_DMA_BASE_ADDRESS +
+ (dma_eng_num * ISP8044_PEX_DMA_NUM_OFFSET);
+
+ /* Read the pex-dma's command-status-and-control register. */
+ rval = qla8044_rd_reg_indirect(vha,
+ (dma_base_addr + ISP8044_PEX_DMA_CMD_STS_AND_CNTRL),
+ &cmd_sts_and_cntrl);
+ if (rval)
+ return QLA_FUNCTION_FAILED;
+
+ /* Check if requested pex-dma engine is available. */
+ if (cmd_sts_and_cntrl & BIT_31)
+ return QLA_SUCCESS;
+
+ return QLA_FUNCTION_FAILED;
+}
+
+static int
+qla8044_start_pex_dma(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_rdmem_pex_dma *m_hdr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int rval = QLA_SUCCESS, wait = 0;
+ uint32_t dma_eng_num = 0, cmd_sts_and_cntrl = 0;
+ uint64_t dma_base_addr = 0;
+ struct qla8044_minidump_template_hdr *tmplt_hdr = NULL;
+
+ tmplt_hdr = ha->md_tmplt_hdr;
+ dma_eng_num =
+ tmplt_hdr->saved_state_array[ISP8044_PEX_DMA_ENGINE_INDEX];
+ dma_base_addr = ISP8044_PEX_DMA_BASE_ADDRESS +
+ (dma_eng_num * ISP8044_PEX_DMA_NUM_OFFSET);
+
+ rval = qla8044_wr_reg_indirect(vha,
+ dma_base_addr + ISP8044_PEX_DMA_CMD_ADDR_LOW,
+ m_hdr->desc_card_addr);
+ if (rval)
+ goto error_exit;
+
+ rval = qla8044_wr_reg_indirect(vha,
+ dma_base_addr + ISP8044_PEX_DMA_CMD_ADDR_HIGH, 0);
+ if (rval)
+ goto error_exit;
+
+ rval = qla8044_wr_reg_indirect(vha,
+ dma_base_addr + ISP8044_PEX_DMA_CMD_STS_AND_CNTRL,
+ m_hdr->start_dma_cmd);
+ if (rval)
+ goto error_exit;
+
+ /* Wait for dma operation to complete. */
+ for (wait = 0; wait < ISP8044_PEX_DMA_MAX_WAIT; wait++) {
+ rval = qla8044_rd_reg_indirect(vha,
+ (dma_base_addr + ISP8044_PEX_DMA_CMD_STS_AND_CNTRL),
+ &cmd_sts_and_cntrl);
+ if (rval)
+ goto error_exit;
+
+ if ((cmd_sts_and_cntrl & BIT_1) == 0)
+ break;
+
+ udelay(10);
+ }
+
+ /* Wait a max of 100 ms, otherwise fallback to rdmem entry read */
+ if (wait >= ISP8044_PEX_DMA_MAX_WAIT) {
+ rval = QLA_FUNCTION_FAILED;
+ goto error_exit;
+ }
+
+error_exit:
+ return rval;
+}
+
+static int
+qla8044_minidump_pex_dma_read(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int rval = QLA_SUCCESS;
+ struct qla8044_minidump_entry_rdmem_pex_dma *m_hdr = NULL;
+ uint32_t chunk_size, read_size;
+ uint8_t *data_ptr = (uint8_t *)*d_ptr;
+ void *rdmem_buffer = NULL;
+ dma_addr_t rdmem_dma;
+ struct qla8044_pex_dma_descriptor dma_desc;
+
+ rval = qla8044_check_dma_engine_state(vha);
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb147,
+ "DMA engine not available. Fallback to rdmem-read.\n");
+ return QLA_FUNCTION_FAILED;
+ }
+
+ m_hdr = (void *)entry_hdr;
+
+ rdmem_buffer = dma_alloc_coherent(&ha->pdev->dev,
+ ISP8044_PEX_DMA_READ_SIZE, &rdmem_dma, GFP_KERNEL);
+ if (!rdmem_buffer) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb148,
+ "Unable to allocate rdmem dma buffer\n");
+ return QLA_FUNCTION_FAILED;
+ }
+
+ /* Prepare pex-dma descriptor to be written to MS memory. */
+ /* dma-desc-cmd layout:
+ * 0-3: dma-desc-cmd 0-3
+ * 4-7: pcid function number
+ * 8-15: dma-desc-cmd 8-15
+ * dma_bus_addr: dma buffer address
+ * cmd.read_data_size: amount of data-chunk to be read.
+ */
+ dma_desc.cmd.dma_desc_cmd = (m_hdr->dma_desc_cmd & 0xff0f);
+ dma_desc.cmd.dma_desc_cmd |=
+ ((PCI_FUNC(ha->pdev->devfn) & 0xf) << 0x4);
+
+ dma_desc.dma_bus_addr = rdmem_dma;
+ dma_desc.cmd.read_data_size = chunk_size = ISP8044_PEX_DMA_READ_SIZE;
+ read_size = 0;
+
+ /*
+ * Perform rdmem operation using pex-dma.
+ * Prepare dma in chunks of ISP8044_PEX_DMA_READ_SIZE.
+ */
+ while (read_size < m_hdr->read_data_size) {
+ if (m_hdr->read_data_size - read_size <
+ ISP8044_PEX_DMA_READ_SIZE) {
+ chunk_size = (m_hdr->read_data_size - read_size);
+ dma_desc.cmd.read_data_size = chunk_size;
+ }
+
+ dma_desc.src_addr = m_hdr->read_addr + read_size;
+
+ /* Prepare: Write pex-dma descriptor to MS memory. */
+ rval = qla8044_ms_mem_write_128b(vha,
+ m_hdr->desc_card_addr, (void *)&dma_desc,
+ (sizeof(struct qla8044_pex_dma_descriptor)/16));
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0xb14a,
+ "%s: Error writing rdmem-dma-init to MS !!!\n",
+ __func__);
+ goto error_exit;
+ }
+ ql_dbg(ql_dbg_p3p, vha, 0xb14b,
+ "%s: Dma-descriptor: Instruct for rdmem dma "
+ "(chunk_size 0x%x).\n", __func__, chunk_size);
+
+ /* Execute: Start pex-dma operation. */
+ rval = qla8044_start_pex_dma(vha, m_hdr);
+ if (rval)
+ goto error_exit;
+
+ memcpy(data_ptr, rdmem_buffer, chunk_size);
+ data_ptr += chunk_size;
+ read_size += chunk_size;
+ }
+
+ *d_ptr = (void *)data_ptr;
+
+error_exit:
+ if (rdmem_buffer)
+ dma_free_coherent(&ha->pdev->dev, ISP8044_PEX_DMA_READ_SIZE,
+ rdmem_buffer, rdmem_dma);
+
+ return rval;
+}
+
+static uint32_t
+qla8044_minidump_process_rddfe(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ int loop_cnt;
+ uint32_t addr1, addr2, value, data, temp, wrVal;
+ uint8_t stride, stride2;
+ uint16_t count;
+ uint32_t poll, mask, data_size, modify_mask;
+ uint32_t wait_count = 0;
+
+ uint32_t *data_ptr = *d_ptr;
+
+ struct qla8044_minidump_entry_rddfe *rddfe;
+ rddfe = (struct qla8044_minidump_entry_rddfe *) entry_hdr;
+
+ addr1 = rddfe->addr_1;
+ value = rddfe->value;
+ stride = rddfe->stride;
+ stride2 = rddfe->stride2;
+ count = rddfe->count;
+
+ poll = rddfe->poll;
+ mask = rddfe->mask;
+ modify_mask = rddfe->modify_mask;
+ data_size = rddfe->data_size;
+
+ addr2 = addr1 + stride;
+
+ for (loop_cnt = 0x0; loop_cnt < count; loop_cnt++) {
+ qla8044_wr_reg_indirect(vha, addr1, (0x40000000 | value));
+
+ wait_count = 0;
+ while (wait_count < poll) {
+ qla8044_rd_reg_indirect(vha, addr1, &temp);
+ if ((temp & mask) != 0)
+ break;
+ wait_count++;
+ }
+
+ if (wait_count == poll) {
+ ql_log(ql_log_warn, vha, 0xb153,
+ "%s: TIMEOUT\n", __func__);
+ goto error;
+ } else {
+ qla8044_rd_reg_indirect(vha, addr2, &temp);
+ temp = temp & modify_mask;
+ temp = (temp | ((loop_cnt << 16) | loop_cnt));
+ wrVal = ((temp << 16) | temp);
+
+ qla8044_wr_reg_indirect(vha, addr2, wrVal);
+ qla8044_wr_reg_indirect(vha, addr1, value);
+
+ wait_count = 0;
+ while (wait_count < poll) {
+ qla8044_rd_reg_indirect(vha, addr1, &temp);
+ if ((temp & mask) != 0)
+ break;
+ wait_count++;
+ }
+ if (wait_count == poll) {
+ ql_log(ql_log_warn, vha, 0xb154,
+ "%s: TIMEOUT\n", __func__);
+ goto error;
+ }
+
+ qla8044_wr_reg_indirect(vha, addr1,
+ ((0x40000000 | value) + stride2));
+ wait_count = 0;
+ while (wait_count < poll) {
+ qla8044_rd_reg_indirect(vha, addr1, &temp);
+ if ((temp & mask) != 0)
+ break;
+ wait_count++;
+ }
+
+ if (wait_count == poll) {
+ ql_log(ql_log_warn, vha, 0xb155,
+ "%s: TIMEOUT\n", __func__);
+ goto error;
+ }
+
+ qla8044_rd_reg_indirect(vha, addr2, &data);
+
+ *data_ptr++ = wrVal;
+ *data_ptr++ = data;
+ }
+
+ }
+
+ *d_ptr = data_ptr;
+ return QLA_SUCCESS;
+
+error:
+ return -1;
+
+}
+
+static uint32_t
+qla8044_minidump_process_rdmdio(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ int ret = 0;
+ uint32_t addr1, addr2, value1, value2, data, selVal;
+ uint8_t stride1, stride2;
+ uint32_t addr3, addr4, addr5, addr6, addr7;
+ uint16_t count, loop_cnt;
+ uint32_t poll, mask;
+ uint32_t *data_ptr = *d_ptr;
+
+ struct qla8044_minidump_entry_rdmdio *rdmdio;
+
+ rdmdio = (struct qla8044_minidump_entry_rdmdio *) entry_hdr;
+
+ addr1 = rdmdio->addr_1;
+ addr2 = rdmdio->addr_2;
+ value1 = rdmdio->value_1;
+ stride1 = rdmdio->stride_1;
+ stride2 = rdmdio->stride_2;
+ count = rdmdio->count;
+
+ poll = rdmdio->poll;
+ mask = rdmdio->mask;
+ value2 = rdmdio->value_2;
+
+ addr3 = addr1 + stride1;
+
+ for (loop_cnt = 0; loop_cnt < count; loop_cnt++) {
+ ret = qla8044_poll_wait_ipmdio_bus_idle(vha, addr1, addr2,
+ addr3, mask);
+ if (ret == -1)
+ goto error;
+
+ addr4 = addr2 - stride1;
+ ret = qla8044_ipmdio_wr_reg(vha, addr1, addr3, mask, addr4,
+ value2);
+ if (ret == -1)
+ goto error;
+
+ addr5 = addr2 - (2 * stride1);
+ ret = qla8044_ipmdio_wr_reg(vha, addr1, addr3, mask, addr5,
+ value1);
+ if (ret == -1)
+ goto error;
+
+ addr6 = addr2 - (3 * stride1);
+ ret = qla8044_ipmdio_wr_reg(vha, addr1, addr3, mask,
+ addr6, 0x2);
+ if (ret == -1)
+ goto error;
+
+ ret = qla8044_poll_wait_ipmdio_bus_idle(vha, addr1, addr2,
+ addr3, mask);
+ if (ret == -1)
+ goto error;
+
+ addr7 = addr2 - (4 * stride1);
+ data = qla8044_ipmdio_rd_reg(vha, addr1, addr3,
+ mask, addr7);
+ if (data == -1)
+ goto error;
+
+ selVal = (value2 << 18) | (value1 << 2) | 2;
+
+ stride2 = rdmdio->stride_2;
+ *data_ptr++ = selVal;
+ *data_ptr++ = data;
+
+ value1 = value1 + stride2;
+ *d_ptr = data_ptr;
+ }
+
+ return 0;
+
+error:
+ return -1;
+}
+
+static uint32_t qla8044_minidump_process_pollwr(struct scsi_qla_host *vha,
+ struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
+{
+ uint32_t addr1, addr2, value1, value2, poll, mask, r_value;
+ uint32_t wait_count = 0;
+ struct qla8044_minidump_entry_pollwr *pollwr_hdr;
+
+ pollwr_hdr = (struct qla8044_minidump_entry_pollwr *)entry_hdr;
+ addr1 = pollwr_hdr->addr_1;
+ addr2 = pollwr_hdr->addr_2;
+ value1 = pollwr_hdr->value_1;
+ value2 = pollwr_hdr->value_2;
+
+ poll = pollwr_hdr->poll;
+ mask = pollwr_hdr->mask;
+
+ while (wait_count < poll) {
+ qla8044_rd_reg_indirect(vha, addr1, &r_value);
+
+ if ((r_value & poll) != 0)
+ break;
+ wait_count++;
+ }
+
+ if (wait_count == poll) {
+ ql_log(ql_log_warn, vha, 0xb156, "%s: TIMEOUT\n", __func__);
+ goto error;
+ }
+
+ qla8044_wr_reg_indirect(vha, addr2, value2);
+ qla8044_wr_reg_indirect(vha, addr1, value1);
+
+ wait_count = 0;
+ while (wait_count < poll) {
+ qla8044_rd_reg_indirect(vha, addr1, &r_value);
+
+ if ((r_value & poll) != 0)
+ break;
+ wait_count++;
+ }
+
+ return QLA_SUCCESS;
+
+error:
+ return -1;
+}
+
+/*
+ *
+ * qla8044_collect_md_data - Retrieve firmware minidump data.
+ * @ha: pointer to adapter structure
+ **/
+int
+qla8044_collect_md_data(struct scsi_qla_host *vha)
+{
+ int num_entry_hdr = 0;
+ struct qla8044_minidump_entry_hdr *entry_hdr;
+ struct qla8044_minidump_template_hdr *tmplt_hdr;
+ uint32_t *data_ptr;
+ uint32_t data_collected = 0, f_capture_mask;
+ int i, rval = QLA_FUNCTION_FAILED;
+ uint64_t now;
+ uint32_t timestamp, idc_control;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!ha->md_dump) {
+ ql_log(ql_log_info, vha, 0xb101,
+ "%s(%ld) No buffer to dump\n",
+ __func__, vha->host_no);
+ return rval;
+ }
+
+ if (ha->fw_dumped) {
+ ql_log(ql_log_warn, vha, 0xb10d,
+ "Firmware has been previously dumped (%p) "
+ "-- ignoring request.\n", ha->fw_dump);
+ goto md_failed;
+ }
+
+ ha->fw_dumped = 0;
+
+ if (!ha->md_tmplt_hdr || !ha->md_dump) {
+ ql_log(ql_log_warn, vha, 0xb10e,
+ "Memory not allocated for minidump capture\n");
+ goto md_failed;
+ }
+
+ qla8044_idc_lock(ha);
+ idc_control = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
+ if (idc_control & GRACEFUL_RESET_BIT1) {
+ ql_log(ql_log_warn, vha, 0xb112,
+ "Forced reset from application, "
+ "ignore minidump capture\n");
+ qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
+ (idc_control & ~GRACEFUL_RESET_BIT1));
+ qla8044_idc_unlock(ha);
+
+ goto md_failed;
+ }
+ qla8044_idc_unlock(ha);
+
+ if (qla82xx_validate_template_chksum(vha)) {
+ ql_log(ql_log_info, vha, 0xb109,
+ "Template checksum validation error\n");
+ goto md_failed;
+ }
+
+ tmplt_hdr = (struct qla8044_minidump_template_hdr *)
+ ha->md_tmplt_hdr;
+ data_ptr = (uint32_t *)((uint8_t *)ha->md_dump);
+ num_entry_hdr = tmplt_hdr->num_of_entries;
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb11a,
+ "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
+
+ f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
+
+ /* Validate whether required debug level is set */
+ if ((f_capture_mask & 0x3) != 0x3) {
+ ql_log(ql_log_warn, vha, 0xb10f,
+ "Minimum required capture mask[0x%x] level not set\n",
+ f_capture_mask);
+
+ }
+ tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
+ ql_log(ql_log_info, vha, 0xb102,
+ "[%s]: starting data ptr: %p\n",
+ __func__, data_ptr);
+ ql_log(ql_log_info, vha, 0xb10b,
+ "[%s]: no of entry headers in Template: 0x%x\n",
+ __func__, num_entry_hdr);
+ ql_log(ql_log_info, vha, 0xb10c,
+ "[%s]: Total_data_size 0x%x, %d obtained\n",
+ __func__, ha->md_dump_size, ha->md_dump_size);
+
+ /* Update current timestamp before taking dump */
+ now = get_jiffies_64();
+ timestamp = (u32)(jiffies_to_msecs(now) / 1000);
+ tmplt_hdr->driver_timestamp = timestamp;
+
+ entry_hdr = (struct qla8044_minidump_entry_hdr *)
+ (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
+ tmplt_hdr->saved_state_array[QLA8044_SS_OCM_WNDREG_INDEX] =
+ tmplt_hdr->ocm_window_reg[ha->portnum];
+
+ /* Walk through the entry headers - validate/perform required action */
+ for (i = 0; i < num_entry_hdr; i++) {
+ if (data_collected > ha->md_dump_size) {
+ ql_log(ql_log_info, vha, 0xb103,
+ "Data collected: [0x%x], "
+ "Total Dump size: [0x%x]\n",
+ data_collected, ha->md_dump_size);
+ return rval;
+ }
+
+ if (!(entry_hdr->d_ctrl.entry_capture_mask &
+ ql2xmdcapmask)) {
+ entry_hdr->d_ctrl.driver_flags |=
+ QLA82XX_DBG_SKIPPED_FLAG;
+ goto skip_nxt_entry;
+ }
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb104,
+ "Data collected: [0x%x], Dump size left:[0x%x]\n",
+ data_collected,
+ (ha->md_dump_size - data_collected));
+
+ /* Decode the entry type and take required action to capture
+ * debug data
+ */
+ switch (entry_hdr->entry_type) {
+ case QLA82XX_RDEND:
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ case QLA82XX_CNTRL:
+ rval = qla8044_minidump_process_control(vha,
+ entry_hdr);
+ if (rval != QLA_SUCCESS) {
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ goto md_failed;
+ }
+ break;
+ case QLA82XX_RDCRB:
+ qla8044_minidump_process_rdcrb(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_RDMEM:
+ rval = qla8044_minidump_pex_dma_read(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS) {
+ rval = qla8044_minidump_process_rdmem(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS) {
+ qla8044_mark_entry_skipped(vha,
+ entry_hdr, i);
+ goto md_failed;
+ }
+ }
+ break;
+ case QLA82XX_BOARD:
+ case QLA82XX_RDROM:
+ rval = qla8044_minidump_process_rdrom(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS) {
+ qla8044_mark_entry_skipped(vha,
+ entry_hdr, i);
+ }
+ break;
+ case QLA82XX_L2DTG:
+ case QLA82XX_L2ITG:
+ case QLA82XX_L2DAT:
+ case QLA82XX_L2INS:
+ rval = qla8044_minidump_process_l2tag(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS) {
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ goto md_failed;
+ }
+ break;
+ case QLA8044_L1DTG:
+ case QLA8044_L1ITG:
+ case QLA82XX_L1DAT:
+ case QLA82XX_L1INS:
+ qla8044_minidump_process_l1cache(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_RDOCM:
+ qla8044_minidump_process_rdocm(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_RDMUX:
+ qla8044_minidump_process_rdmux(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA82XX_QUEUE:
+ qla8044_minidump_process_queue(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA8044_POLLRD:
+ rval = qla8044_minidump_process_pollrd(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS)
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ case QLA8044_RDMUX2:
+ qla8044_minidump_process_rdmux2(vha,
+ entry_hdr, &data_ptr);
+ break;
+ case QLA8044_POLLRDMWR:
+ rval = qla8044_minidump_process_pollrdmwr(vha,
+ entry_hdr, &data_ptr);
+ if (rval != QLA_SUCCESS)
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ case QLA8044_RDDFE:
+ rval = qla8044_minidump_process_rddfe(vha, entry_hdr,
+ &data_ptr);
+ if (rval != QLA_SUCCESS)
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ case QLA8044_RDMDIO:
+ rval = qla8044_minidump_process_rdmdio(vha, entry_hdr,
+ &data_ptr);
+ if (rval != QLA_SUCCESS)
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ case QLA8044_POLLWR:
+ rval = qla8044_minidump_process_pollwr(vha, entry_hdr,
+ &data_ptr);
+ if (rval != QLA_SUCCESS)
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ case QLA82XX_RDNOP:
+ default:
+ qla8044_mark_entry_skipped(vha, entry_hdr, i);
+ break;
+ }
+
+ data_collected = (uint8_t *)data_ptr -
+ (uint8_t *)((uint8_t *)ha->md_dump);
+skip_nxt_entry:
+ /*
+ * next entry in the template
+ */
+ entry_hdr = (struct qla8044_minidump_entry_hdr *)
+ (((uint8_t *)entry_hdr) + entry_hdr->entry_size);
+ }
+
+ if (data_collected != ha->md_dump_size) {
+ ql_log(ql_log_info, vha, 0xb105,
+ "Dump data mismatch: Data collected: "
+ "[0x%x], total_data_size:[0x%x]\n",
+ data_collected, ha->md_dump_size);
+ rval = QLA_FUNCTION_FAILED;
+ goto md_failed;
+ }
+
+ ql_log(ql_log_info, vha, 0xb110,
+ "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
+ vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
+ ha->fw_dumped = 1;
+ qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
+
+
+ ql_log(ql_log_info, vha, 0xb106,
+ "Leaving fn: %s Last entry: 0x%x\n",
+ __func__, i);
+md_failed:
+ return rval;
+}
+
+void
+qla8044_get_minidump(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!qla8044_collect_md_data(vha)) {
+ ha->fw_dumped = 1;
+ ha->prev_minidump_failed = 0;
+ } else {
+ ql_log(ql_log_fatal, vha, 0xb0db,
+ "%s: Unable to collect minidump\n",
+ __func__);
+ ha->prev_minidump_failed = 1;
+ }
+}
+
+static int
+qla8044_poll_flash_status_reg(struct scsi_qla_host *vha)
+{
+ uint32_t flash_status;
+ int retries = QLA8044_FLASH_READ_RETRY_COUNT;
+ int ret_val = QLA_SUCCESS;
+
+ while (retries--) {
+ ret_val = qla8044_rd_reg_indirect(vha, QLA8044_FLASH_STATUS,
+ &flash_status);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb13c,
+ "%s: Failed to read FLASH_STATUS reg.\n",
+ __func__);
+ break;
+ }
+ if ((flash_status & QLA8044_FLASH_STATUS_READY) ==
+ QLA8044_FLASH_STATUS_READY)
+ break;
+ msleep(QLA8044_FLASH_STATUS_REG_POLL_DELAY);
+ }
+
+ if (!retries)
+ ret_val = QLA_FUNCTION_FAILED;
+
+ return ret_val;
+}
+
+static int
+qla8044_write_flash_status_reg(struct scsi_qla_host *vha,
+ uint32_t data)
+{
+ int ret_val = QLA_SUCCESS;
+ uint32_t cmd;
+
+ cmd = vha->hw->fdt_wrt_sts_reg_cmd;
+
+ ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
+ QLA8044_FLASH_STATUS_WRITE_DEF_SIG | cmd);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb125,
+ "%s: Failed to write to FLASH_ADDR.\n", __func__);
+ goto exit_func;
+ }
+
+ ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA, data);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb126,
+ "%s: Failed to write to FLASH_WRDATA.\n", __func__);
+ goto exit_func;
+ }
+
+ ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
+ QLA8044_FLASH_SECOND_ERASE_MS_VAL);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb127,
+ "%s: Failed to write to FLASH_CONTROL.\n", __func__);
+ goto exit_func;
+ }
+
+ ret_val = qla8044_poll_flash_status_reg(vha);
+ if (ret_val)
+ ql_log(ql_log_warn, vha, 0xb128,
+ "%s: Error polling flash status reg.\n", __func__);
+
+exit_func:
+ return ret_val;
+}
+
+/*
+ * This function assumes that the flash lock is held.
+ */
+static int
+qla8044_unprotect_flash(scsi_qla_host_t *vha)
+{
+ int ret_val;
+ struct qla_hw_data *ha = vha->hw;
+
+ ret_val = qla8044_write_flash_status_reg(vha, ha->fdt_wrt_enable);
+ if (ret_val)
+ ql_log(ql_log_warn, vha, 0xb139,
+ "%s: Write flash status failed.\n", __func__);
+
+ return ret_val;
+}
+
+/*
+ * This function assumes that the flash lock is held.
+ */
+static int
+qla8044_protect_flash(scsi_qla_host_t *vha)
+{
+ int ret_val;
+ struct qla_hw_data *ha = vha->hw;
+
+ ret_val = qla8044_write_flash_status_reg(vha, ha->fdt_wrt_disable);
+ if (ret_val)
+ ql_log(ql_log_warn, vha, 0xb13b,
+ "%s: Write flash status failed.\n", __func__);
+
+ return ret_val;
+}
+
+
+static int
+qla8044_erase_flash_sector(struct scsi_qla_host *vha,
+ uint32_t sector_start_addr)
+{
+ uint32_t reversed_addr;
+ int ret_val = QLA_SUCCESS;
+
+ ret_val = qla8044_poll_flash_status_reg(vha);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb12e,
+ "%s: Poll flash status after erase failed..\n", __func__);
+ }
+
+ reversed_addr = (((sector_start_addr & 0xFF) << 16) |
+ (sector_start_addr & 0xFF00) |
+ ((sector_start_addr & 0xFF0000) >> 16));
+
+ ret_val = qla8044_wr_reg_indirect(vha,
+ QLA8044_FLASH_WRDATA, reversed_addr);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb12f,
+ "%s: Failed to write to FLASH_WRDATA.\n", __func__);
+ }
+ ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
+ QLA8044_FLASH_ERASE_SIG | vha->hw->fdt_erase_cmd);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb130,
+ "%s: Failed to write to FLASH_ADDR.\n", __func__);
+ }
+ ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
+ QLA8044_FLASH_LAST_ERASE_MS_VAL);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb131,
+ "%s: Failed write to FLASH_CONTROL.\n", __func__);
+ }
+ ret_val = qla8044_poll_flash_status_reg(vha);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb132,
+ "%s: Poll flash status failed.\n", __func__);
+ }
+
+
+ return ret_val;
+}
+
+/*
+ * 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)
+{
+ int ret_val = QLA_SUCCESS;
+
+ ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
+ 0x00800000 | (addr >> 2));
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb134,
+ "%s: Failed write to FLASH_ADDR.\n", __func__);
+ goto exit_func;
+ }
+ ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA, *p_data);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb135,
+ "%s: Failed write to FLASH_WRDATA.\n", __func__);
+ goto exit_func;
+ }
+ ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL, 0x3D);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb136,
+ "%s: Failed write to FLASH_CONTROL.\n", __func__);
+ goto exit_func;
+ }
+ ret_val = qla8044_poll_flash_status_reg(vha);
+ if (ret_val) {
+ ql_log(ql_log_warn, vha, 0xb137,
+ "%s: Poll flash status failed.\n", __func__);
+ }
+
+exit_func:
+ return ret_val;
+}
+
+static int
+qla8044_write_flash_buffer_mode(scsi_qla_host_t *vha, uint32_t *dwptr,
+ uint32_t faddr, uint32_t dwords)
+{
+ int ret = QLA_FUNCTION_FAILED;
+ uint32_t spi_val;
+
+ if (dwords < QLA8044_MIN_OPTROM_BURST_DWORDS ||
+ dwords > QLA8044_MAX_OPTROM_BURST_DWORDS) {
+ ql_dbg(ql_dbg_user, vha, 0xb123,
+ "Got unsupported dwords = 0x%x.\n",
+ dwords);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ qla8044_rd_reg_indirect(vha, QLA8044_FLASH_SPI_CONTROL, &spi_val);
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_SPI_CONTROL,
+ spi_val | QLA8044_FLASH_SPI_CTL);
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
+ QLA8044_FLASH_FIRST_TEMP_VAL);
+
+ /* First DWORD write to FLASH_WRDATA */
+ ret = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA,
+ *dwptr++);
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
+ QLA8044_FLASH_FIRST_MS_PATTERN);
+
+ ret = qla8044_poll_flash_status_reg(vha);
+ if (ret) {
+ ql_log(ql_log_warn, vha, 0xb124,
+ "%s: Failed.\n", __func__);
+ goto exit_func;
+ }
+
+ dwords--;
+
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
+ QLA8044_FLASH_SECOND_TEMP_VAL);
+
+
+ /* Second to N-1 DWORDS writes */
+ while (dwords != 1) {
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA, *dwptr++);
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
+ QLA8044_FLASH_SECOND_MS_PATTERN);
+ ret = qla8044_poll_flash_status_reg(vha);
+ if (ret) {
+ ql_log(ql_log_warn, vha, 0xb129,
+ "%s: Failed.\n", __func__);
+ goto exit_func;
+ }
+ dwords--;
+ }
+
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
+ QLA8044_FLASH_FIRST_TEMP_VAL | (faddr >> 2));
+
+ /* Last DWORD write */
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA, *dwptr++);
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
+ QLA8044_FLASH_LAST_MS_PATTERN);
+ ret = qla8044_poll_flash_status_reg(vha);
+ if (ret) {
+ ql_log(ql_log_warn, vha, 0xb12a,
+ "%s: Failed.\n", __func__);
+ goto exit_func;
+ }
+ qla8044_rd_reg_indirect(vha, QLA8044_FLASH_SPI_STATUS, &spi_val);
+
+ if ((spi_val & QLA8044_FLASH_SPI_CTL) == QLA8044_FLASH_SPI_CTL) {
+ ql_log(ql_log_warn, vha, 0xb12b,
+ "%s: Failed.\n", __func__);
+ spi_val = 0;
+ /* Operation failed, clear error bit. */
+ qla8044_rd_reg_indirect(vha, QLA8044_FLASH_SPI_CONTROL,
+ &spi_val);
+ qla8044_wr_reg_indirect(vha, QLA8044_FLASH_SPI_CONTROL,
+ spi_val | QLA8044_FLASH_SPI_CTL);
+ }
+exit_func:
+ return ret;
+}
+
+static int
+qla8044_write_flash_dword_mode(scsi_qla_host_t *vha, uint32_t *dwptr,
+ uint32_t faddr, uint32_t dwords)
+{
+ int ret = QLA_FUNCTION_FAILED;
+ uint32_t liter;
+
+ for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
+ ret = qla8044_flash_write_u32(vha, faddr, dwptr);
+ if (ret) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb141,
+ "%s: flash address=%x data=%x.\n", __func__,
+ faddr, *dwptr);
+ break;
+ }
+ }
+
+ return ret;
+}
+
+int
+qla8044_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+ uint32_t offset, uint32_t length)
+{
+ int rval = QLA_FUNCTION_FAILED, i, burst_iter_count;
+ int dword_count, erase_sec_count;
+ uint32_t erase_offset;
+ uint8_t *p_cache, *p_src;
+
+ erase_offset = offset;
+
+ p_cache = kcalloc(length, sizeof(uint8_t), GFP_KERNEL);
+ if (!p_cache)
+ return QLA_FUNCTION_FAILED;
+
+ memcpy(p_cache, buf, length);
+ p_src = p_cache;
+ dword_count = length / sizeof(uint32_t);
+ /* Since the offset and legth are sector aligned, it will be always
+ * multiple of burst_iter_count (64)
+ */
+ burst_iter_count = dword_count / QLA8044_MAX_OPTROM_BURST_DWORDS;
+ erase_sec_count = length / QLA8044_SECTOR_SIZE;
+
+ /* Suspend HBA. */
+ scsi_block_requests(vha->host);
+ /* Lock and enable write for whole operation. */
+ qla8044_flash_lock(vha);
+ qla8044_unprotect_flash(vha);
+
+ /* Erasing the sectors */
+ for (i = 0; i < erase_sec_count; i++) {
+ rval = qla8044_erase_flash_sector(vha, erase_offset);
+ ql_dbg(ql_dbg_user, vha, 0xb138,
+ "Done erase of sector=0x%x.\n",
+ erase_offset);
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0xb121,
+ "Failed to erase the sector having address: "
+ "0x%x.\n", erase_offset);
+ goto out;
+ }
+ erase_offset += QLA8044_SECTOR_SIZE;
+ }
+ ql_dbg(ql_dbg_user, vha, 0xb13f,
+ "Got write for addr = 0x%x length=0x%x.\n",
+ offset, length);
+
+ for (i = 0; i < burst_iter_count; i++) {
+
+ /* Go with write. */
+ rval = qla8044_write_flash_buffer_mode(vha, (uint32_t *)p_src,
+ offset, QLA8044_MAX_OPTROM_BURST_DWORDS);
+ if (rval) {
+ /* Buffer Mode failed skip to dword mode */
+ ql_log(ql_log_warn, vha, 0xb122,
+ "Failed to write flash in buffer mode, "
+ "Reverting to slow-write.\n");
+ rval = qla8044_write_flash_dword_mode(vha,
+ (uint32_t *)p_src, offset,
+ QLA8044_MAX_OPTROM_BURST_DWORDS);
+ }
+ p_src += sizeof(uint32_t) * QLA8044_MAX_OPTROM_BURST_DWORDS;
+ offset += sizeof(uint32_t) * QLA8044_MAX_OPTROM_BURST_DWORDS;
+ }
+ ql_dbg(ql_dbg_user, vha, 0xb133,
+ "Done writing.\n");
+
+out:
+ qla8044_protect_flash(vha);
+ qla8044_flash_unlock(vha);
+ scsi_unblock_requests(vha->host);
+ kfree(p_cache);
+
+ return rval;
+}
+
+#define LEG_INT_PTR_B31 (1 << 31)
+#define LEG_INT_PTR_B30 (1 << 30)
+#define PF_BITS_MASK (0xF << 16)
+/**
+ * qla8044_intr_handler() - Process interrupts for the ISP8044
+ * @irq:
+ * @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)
+{
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ struct rsp_que *rsp;
+ struct device_reg_82xx __iomem *reg;
+ int status = 0;
+ unsigned long flags;
+ unsigned long iter;
+ uint32_t stat;
+ uint16_t mb[4];
+ uint32_t leg_int_ptr = 0, pf_bit;
+
+ rsp = (struct rsp_que *) dev_id;
+ if (!rsp) {
+ ql_log(ql_log_info, NULL, 0xb143,
+ "%s(): NULL response queue pointer\n", __func__);
+ return IRQ_NONE;
+ }
+ ha = rsp->hw;
+ vha = pci_get_drvdata(ha->pdev);
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ return IRQ_HANDLED;
+
+ leg_int_ptr = qla8044_rd_reg(ha, LEG_INTR_PTR_OFFSET);
+
+ /* Legacy interrupt is valid if bit31 of leg_int_ptr is set */
+ if (!(leg_int_ptr & (LEG_INT_PTR_B31))) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb144,
+ "%s: Legacy Interrupt Bit 31 not set, "
+ "spurious interrupt!\n", __func__);
+ return IRQ_NONE;
+ }
+
+ pf_bit = ha->portnum << 16;
+ /* Validate the PCIE function ID set in leg_int_ptr bits [19..16] */
+ if ((leg_int_ptr & (PF_BITS_MASK)) != pf_bit) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb145,
+ "%s: Incorrect function ID 0x%x in "
+ "legacy interrupt register, "
+ "ha->pf_bit = 0x%x\n", __func__,
+ (leg_int_ptr & (PF_BITS_MASK)), pf_bit);
+ return IRQ_NONE;
+ }
+
+ /* To de-assert legacy interrupt, write 0 to Legacy Interrupt Trigger
+ * Control register and poll till Legacy Interrupt Pointer register
+ * bit32 is 0.
+ */
+ qla8044_wr_reg(ha, LEG_INTR_TRIG_OFFSET, 0);
+ do {
+ leg_int_ptr = qla8044_rd_reg(ha, LEG_INTR_PTR_OFFSET);
+ if ((leg_int_ptr & (PF_BITS_MASK)) != pf_bit)
+ break;
+ } while (leg_int_ptr & (LEG_INT_PTR_B30));
+
+ reg = &ha->iobase->isp82;
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ for (iter = 1; iter--; ) {
+
+ if (RD_REG_DWORD(®->host_int)) {
+ stat = RD_REG_DWORD(®->host_status);
+ if ((stat & HSRX_RISC_INT) == 0)
+ break;
+
+ switch (stat & 0xff) {
+ case 0x1:
+ case 0x2:
+ case 0x10:
+ case 0x11:
+ qla82xx_mbx_completion(vha, MSW(stat));
+ status |= MBX_INTERRUPT;
+ break;
+ case 0x12:
+ mb[0] = MSW(stat);
+ mb[1] = RD_REG_WORD(®->mailbox_out[1]);
+ mb[2] = RD_REG_WORD(®->mailbox_out[2]);
+ mb[3] = RD_REG_WORD(®->mailbox_out[3]);
+ qla2x00_async_event(vha, rsp, mb);
+ break;
+ case 0x13:
+ qla24xx_process_response_queue(vha, rsp);
+ break;
+ default:
+ ql_dbg(ql_dbg_p3p, vha, 0xb146,
+ "Unrecognized interrupt type "
+ "(%d).\n", stat & 0xff);
+ break;
+ }
+ }
+ WRT_REG_DWORD(®->host_int, 0);
+ }
+
+ qla2x00_handle_mbx_completion(ha, status);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return IRQ_HANDLED;
+}
+
+static int
+qla8044_idc_dontreset(struct qla_hw_data *ha)
+{
+ uint32_t idc_ctrl;
+
+ idc_ctrl = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
+ return idc_ctrl & DONTRESET_BIT0;
+}
+
+static void
+qla8044_clear_rst_ready(scsi_qla_host_t *vha)
+{
+ uint32_t drv_state;
+
+ drv_state = qla8044_rd_direct(vha, QLA8044_CRB_DRV_STATE_INDEX);
+
+ /*
+ * For ISP8044, drv_active register has 1 bit per function,
+ * shift 1 by func_num to set a bit for the function.
+ * For ISP82xx, drv_active has 4 bits per function
+ */
+ drv_state &= ~(1 << vha->hw->portnum);
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb13d,
+ "drv_state: 0x%08x\n", drv_state);
+ qla8044_wr_direct(vha, QLA8044_CRB_DRV_STATE_INDEX, drv_state);
+}
+
+int
+qla8044_abort_isp(scsi_qla_host_t *vha)
+{
+ int rval;
+ uint32_t dev_state;
+ struct qla_hw_data *ha = vha->hw;
+
+ qla8044_idc_lock(ha);
+ dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX);
+
+ if (ql2xdontresethba)
+ qla8044_set_idc_dontreset(vha);
+
+ /* If device_state is NEED_RESET, go ahead with
+ * Reset,irrespective of ql2xdontresethba. This is to allow a
+ * non-reset-owner to force a reset. Non-reset-owner sets
+ * the IDC_CTRL BIT0 to prevent Reset-owner from doing a Reset
+ * and then forces a Reset by setting device_state to
+ * NEED_RESET. */
+ if (dev_state == QLA8XXX_DEV_READY) {
+ /* If IDC_CTRL DONTRESETHBA_BIT0 is set don't do reset
+ * recovery */
+ if (qla8044_idc_dontreset(ha) == DONTRESET_BIT0) {
+ ql_dbg(ql_dbg_p3p, vha, 0xb13e,
+ "Reset recovery disabled\n");
+ rval = QLA_FUNCTION_FAILED;
+ goto exit_isp_reset;
+ }
+
+ ql_dbg(ql_dbg_p3p, vha, 0xb140,
+ "HW State: NEED RESET\n");
+ qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX,
+ QLA8XXX_DEV_NEED_RESET);
+ }
+
+ /* For ISP8044, Reset owner is NIC, iSCSI or FCOE based on priority
+ * and which drivers are present. Unlike ISP82XX, the function setting
+ * NEED_RESET, may not be the Reset owner. */
+ qla83xx_reset_ownership(vha);
+
+ qla8044_idc_unlock(ha);
+ rval = qla8044_device_state_handler(vha);
+ qla8044_idc_lock(ha);
+ qla8044_clear_rst_ready(vha);
+
+exit_isp_reset:
+ qla8044_idc_unlock(ha);
+ if (rval == QLA_SUCCESS) {
+ ha->flags.isp82xx_fw_hung = 0;
+ ha->flags.nic_core_reset_hdlr_active = 0;
+ rval = qla82xx_restart_isp(vha);
+ }
+
+ return rval;
+}
+
+void
+qla8044_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!ha->allow_cna_fw_dump)
+ return;
+
+ scsi_block_requests(vha->host);
+ ha->flags.isp82xx_no_md_cap = 1;
+ qla8044_idc_lock(ha);
+ qla82xx_set_reset_owner(vha);
+ qla8044_idc_unlock(ha);
+ qla2x00_wait_for_chip_reset(vha);
+ scsi_unblock_requests(vha->host);
+}
Code Review / kvmfornfv.git / blobdiff