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@@ -0,0 +1,1468 @@
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+/*
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+ * QLogic iSCSI HBA Driver
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+ * Copyright (c) 2003-2012 QLogic Corporation
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+ *
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+ * See LICENSE.qla4xxx for copyright and licensing details.
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+ */
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+
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+#include <linux/ratelimit.h>
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+
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+#include "ql4_def.h"
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+#include "ql4_version.h"
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+#include "ql4_glbl.h"
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+#include "ql4_dbg.h"
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+#include "ql4_inline.h"
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+
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+uint32_t qla4_83xx_rd_reg(struct scsi_qla_host *ha, ulong addr)
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+{
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+ return readl((void __iomem *)(ha->nx_pcibase + addr));
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+}
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+
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+void qla4_83xx_wr_reg(struct scsi_qla_host *ha, ulong addr, uint32_t val)
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+{
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+ writel(val, (void __iomem *)(ha->nx_pcibase + addr));
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+}
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+
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+static int qla4_83xx_set_win_base(struct scsi_qla_host *ha, uint32_t addr)
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+{
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+ uint32_t val;
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+ int ret_val = QLA_SUCCESS;
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+
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+ qla4_83xx_wr_reg(ha, QLA83XX_CRB_WIN_FUNC(ha->func_num), addr);
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+ val = qla4_83xx_rd_reg(ha, QLA83XX_CRB_WIN_FUNC(ha->func_num));
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+ if (val != addr) {
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+ ql4_printk(KERN_ERR, ha, "%s: Failed to set register window : addr written 0x%x, read 0x%x!\n",
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+ __func__, addr, val);
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+ ret_val = QLA_ERROR;
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+ }
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+
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+ return ret_val;
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+}
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+
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+int qla4_83xx_rd_reg_indirect(struct scsi_qla_host *ha, uint32_t addr,
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+ uint32_t *data)
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+{
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+ int ret_val;
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+
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+ ret_val = qla4_83xx_set_win_base(ha, addr);
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+
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+ if (ret_val == QLA_SUCCESS)
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+ *data = qla4_83xx_rd_reg(ha, QLA83XX_WILDCARD);
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+ else
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+ ql4_printk(KERN_ERR, ha, "%s: failed read of addr 0x%x!\n",
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+ __func__, addr);
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+
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+ return ret_val;
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+}
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+
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+int qla4_83xx_wr_reg_indirect(struct scsi_qla_host *ha, uint32_t addr,
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+ uint32_t data)
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+{
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+ int ret_val;
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+
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+ ret_val = qla4_83xx_set_win_base(ha, addr);
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+
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+ if (ret_val == QLA_SUCCESS)
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+ qla4_83xx_wr_reg(ha, QLA83XX_WILDCARD, data);
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+ else
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+ ql4_printk(KERN_ERR, ha, "%s: failed wrt to addr 0x%x, data 0x%x\n",
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+ __func__, addr, data);
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+
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+ return ret_val;
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+}
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+
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+static int qla4_83xx_flash_lock(struct scsi_qla_host *ha)
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+{
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+ int lock_owner;
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+ int timeout = 0;
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+ uint32_t lock_status = 0;
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+ int ret_val = QLA_SUCCESS;
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+
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+ while (lock_status == 0) {
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+ lock_status = qla4_83xx_rd_reg(ha, QLA83XX_FLASH_LOCK);
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+ if (lock_status)
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+ break;
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+
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+ if (++timeout >= QLA83XX_FLASH_LOCK_TIMEOUT / 20) {
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+ lock_owner = qla4_83xx_rd_reg(ha,
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+ QLA83XX_FLASH_LOCK_ID);
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+ ql4_printk(KERN_ERR, ha, "%s: flash lock by func %d failed, held by func %d\n",
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+ __func__, ha->func_num, lock_owner);
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+ ret_val = QLA_ERROR;
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+ break;
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+ }
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+ msleep(20);
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+ }
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+
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+ qla4_83xx_wr_reg(ha, QLA83XX_FLASH_LOCK_ID, ha->func_num);
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+ return ret_val;
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+}
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+
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+static void qla4_83xx_flash_unlock(struct scsi_qla_host *ha)
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+{
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+ /* Reading FLASH_UNLOCK register unlocks the Flash */
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+ qla4_83xx_wr_reg(ha, QLA83XX_FLASH_LOCK_ID, 0xFF);
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+ qla4_83xx_rd_reg(ha, QLA83XX_FLASH_UNLOCK);
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+}
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+
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+int qla4_83xx_flash_read_u32(struct scsi_qla_host *ha, uint32_t flash_addr,
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+ uint8_t *p_data, int u32_word_count)
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+{
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+ int i;
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+ uint32_t u32_word;
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+ uint32_t addr = flash_addr;
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+ int ret_val = QLA_SUCCESS;
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+
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+ ret_val = qla4_83xx_flash_lock(ha);
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+ if (ret_val == QLA_ERROR)
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+ goto exit_lock_error;
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+
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+ if (addr & 0x03) {
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+ ql4_printk(KERN_ERR, ha, "%s: Illegal addr = 0x%x\n",
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+ __func__, addr);
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+ ret_val = QLA_ERROR;
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+ goto exit_flash_read;
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+ }
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+
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+ for (i = 0; i < u32_word_count; i++) {
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+ ret_val = qla4_83xx_wr_reg_indirect(ha,
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+ QLA83XX_FLASH_DIRECT_WINDOW,
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+ (addr & 0xFFFF0000));
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: failed to write addr 0x%x to FLASH_DIRECT_WINDOW\n!",
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+ __func__, addr);
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+ goto exit_flash_read;
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+ }
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+
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+ ret_val = qla4_83xx_rd_reg_indirect(ha,
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+ QLA83XX_FLASH_DIRECT_DATA(addr),
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+ &u32_word);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: failed to read addr 0x%x!\n",
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+ __func__, addr);
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+ goto exit_flash_read;
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+ }
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+
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+ *(__le32 *)p_data = le32_to_cpu(u32_word);
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+ p_data = p_data + 4;
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+ addr = addr + 4;
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+ }
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+
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+exit_flash_read:
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+ qla4_83xx_flash_unlock(ha);
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+
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+exit_lock_error:
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+ return ret_val;
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+}
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+
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+int qla4_83xx_lockless_flash_read_u32(struct scsi_qla_host *ha,
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+ uint32_t flash_addr, uint8_t *p_data,
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+ int u32_word_count)
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+{
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+ uint32_t i;
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+ uint32_t u32_word;
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+ uint32_t flash_offset;
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+ uint32_t addr = flash_addr;
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+ int ret_val = QLA_SUCCESS;
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+
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+ flash_offset = addr & (QLA83XX_FLASH_SECTOR_SIZE - 1);
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+
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+ if (addr & 0x3) {
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+ ql4_printk(KERN_ERR, ha, "%s: Illegal addr = 0x%x\n",
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+ __func__, addr);
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+ ret_val = QLA_ERROR;
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+ goto exit_lockless_read;
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+ }
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+
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+ ret_val = qla4_83xx_wr_reg_indirect(ha, QLA83XX_FLASH_DIRECT_WINDOW,
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+ addr);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: failed to write addr 0x%x to FLASH_DIRECT_WINDOW!\n",
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+ __func__, addr);
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+ goto exit_lockless_read;
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+ }
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+
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+ /* Check if data is spread across multiple sectors */
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+ if ((flash_offset + (u32_word_count * sizeof(uint32_t))) >
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+ (QLA83XX_FLASH_SECTOR_SIZE - 1)) {
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+
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+ /* Multi sector read */
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+ for (i = 0; i < u32_word_count; i++) {
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+ ret_val = qla4_83xx_rd_reg_indirect(ha,
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+ QLA83XX_FLASH_DIRECT_DATA(addr),
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+ &u32_word);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: failed to read addr 0x%x!\n",
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+ __func__, addr);
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+ goto exit_lockless_read;
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+ }
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+
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+ *(__le32 *)p_data = le32_to_cpu(u32_word);
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+ p_data = p_data + 4;
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+ addr = addr + 4;
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+ flash_offset = flash_offset + 4;
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+
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+ if (flash_offset > (QLA83XX_FLASH_SECTOR_SIZE - 1)) {
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+ /* This write is needed once for each sector */
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+ ret_val = qla4_83xx_wr_reg_indirect(ha,
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+ QLA83XX_FLASH_DIRECT_WINDOW,
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+ addr);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: failed to write addr 0x%x to FLASH_DIRECT_WINDOW!\n",
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+ __func__, addr);
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+ goto exit_lockless_read;
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+ }
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+ flash_offset = 0;
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+ }
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+ }
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+ } else {
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+ /* Single sector read */
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+ for (i = 0; i < u32_word_count; i++) {
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+ ret_val = qla4_83xx_rd_reg_indirect(ha,
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+ QLA83XX_FLASH_DIRECT_DATA(addr),
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+ &u32_word);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: failed to read addr 0x%x!\n",
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+ __func__, addr);
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+ goto exit_lockless_read;
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+ }
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+
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+ *(__le32 *)p_data = le32_to_cpu(u32_word);
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+ p_data = p_data + 4;
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+ addr = addr + 4;
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+ }
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+ }
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+
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+exit_lockless_read:
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+ return ret_val;
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+}
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+
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+void qla4_83xx_rom_lock_recovery(struct scsi_qla_host *ha)
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+{
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+ if (qla4_83xx_flash_lock(ha))
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+ ql4_printk(KERN_INFO, ha, "%s: Resetting rom lock\n", __func__);
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+
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+ /*
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+ * We got the lock, or someone else is holding the lock
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+ * since we are restting, forcefully unlock
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+ */
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+ qla4_83xx_flash_unlock(ha);
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+}
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+
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+/**
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+ * qla4_83xx_ms_mem_write_128b - Writes data to MS/off-chip memory
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+ * @ha: Pointer to adapter structure
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+ * @addr: Flash address to write to
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+ * @data: Data to be written
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+ * @count: word_count to be written
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+ *
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+ * Return: On success return QLA_SUCCESS
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+ * On error return QLA_ERROR
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+ **/
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+static int qla4_83xx_ms_mem_write_128b(struct scsi_qla_host *ha, uint64_t addr,
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+ uint32_t *data, uint32_t count)
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+{
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+ int i, j;
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+ uint32_t agt_ctrl;
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+ unsigned long flags;
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+ int ret_val = QLA_SUCCESS;
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+
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+ /* Only 128-bit aligned access */
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+ if (addr & 0xF) {
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+ ret_val = QLA_ERROR;
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+ goto exit_ms_mem_write;
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+ }
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+
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+ write_lock_irqsave(&ha->hw_lock, flags);
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+
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+ /* Write address */
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+ ret_val = qla4_83xx_wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_HI, 0);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: write to AGT_ADDR_HI failed\n",
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+ __func__);
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+ goto exit_ms_mem_write_unlock;
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+ }
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+
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+ for (i = 0; i < count; i++, addr += 16) {
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+ if (!((QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET,
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+ QLA8XXX_ADDR_QDR_NET_MAX)) ||
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+ (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET,
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+ QLA8XXX_ADDR_DDR_NET_MAX)))) {
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+ ret_val = QLA_ERROR;
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+ goto exit_ms_mem_write_unlock;
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+ }
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+
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+ ret_val = qla4_83xx_wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_LO,
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+ addr);
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+ /* Write data */
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+ ret_val |= qla4_83xx_wr_reg_indirect(ha,
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+ MD_MIU_TEST_AGT_WRDATA_LO,
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+ *data++);
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+ ret_val |= qla4_83xx_wr_reg_indirect(ha,
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+ MD_MIU_TEST_AGT_WRDATA_HI,
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+ *data++);
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+ ret_val |= qla4_83xx_wr_reg_indirect(ha,
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+ MD_MIU_TEST_AGT_WRDATA_ULO,
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+ *data++);
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+ ret_val |= qla4_83xx_wr_reg_indirect(ha,
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+ MD_MIU_TEST_AGT_WRDATA_UHI,
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+ *data++);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: write to AGT_WRDATA failed\n",
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+ __func__);
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+ goto exit_ms_mem_write_unlock;
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+ }
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+
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+ /* Check write status */
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+ ret_val = qla4_83xx_wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL,
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+ MIU_TA_CTL_WRITE_ENABLE);
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+ ret_val |= qla4_83xx_wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL,
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+ MIU_TA_CTL_WRITE_START);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: write to AGT_CTRL failed\n",
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+ __func__);
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+ goto exit_ms_mem_write_unlock;
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+ }
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+
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+ for (j = 0; j < MAX_CTL_CHECK; j++) {
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+ ret_val = qla4_83xx_rd_reg_indirect(ha,
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+ MD_MIU_TEST_AGT_CTRL,
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+ &agt_ctrl);
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+ if (ret_val == QLA_ERROR) {
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+ ql4_printk(KERN_ERR, ha, "%s: failed to read MD_MIU_TEST_AGT_CTRL\n",
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+ __func__);
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+ goto exit_ms_mem_write_unlock;
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+ }
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+ if ((agt_ctrl & MIU_TA_CTL_BUSY) == 0)
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+ break;
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+ }
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+
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+ /* Status check failed */
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+ if (j >= MAX_CTL_CHECK) {
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+ printk_ratelimited(KERN_ERR "%s: MS memory write failed!\n",
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+ __func__);
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+ ret_val = QLA_ERROR;
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+ goto exit_ms_mem_write_unlock;
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+ }
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+ }
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+
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+exit_ms_mem_write_unlock:
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+ write_unlock_irqrestore(&ha->hw_lock, flags);
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+
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+exit_ms_mem_write:
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+ return ret_val;
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+}
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+
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+#define INTENT_TO_RECOVER 0x01
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+#define PROCEED_TO_RECOVER 0x02
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+
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+static int qla4_83xx_lock_recovery(struct scsi_qla_host *ha)
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+{
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+
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+ uint32_t lock = 0, lockid;
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+ int ret_val = QLA_ERROR;
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+
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+ lockid = ha->isp_ops->rd_reg_direct(ha, QLA83XX_DRV_LOCKRECOVERY);
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+
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+ /* Check for other Recovery in progress, go wait */
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+ if ((lockid & 0x3) != 0)
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+ goto exit_lock_recovery;
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+
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+ /* Intent to Recover */
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+ ha->isp_ops->wr_reg_direct(ha, QLA83XX_DRV_LOCKRECOVERY,
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+ (ha->func_num << 2) | INTENT_TO_RECOVER);
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+
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+ msleep(200);
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+
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+ /* Check Intent to Recover is advertised */
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+ lockid = ha->isp_ops->rd_reg_direct(ha, QLA83XX_DRV_LOCKRECOVERY);
|
|
|
+ if ((lockid & 0x3C) != (ha->func_num << 2))
|
|
|
+ goto exit_lock_recovery;
|
|
|
+
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: IDC Lock recovery initiated for func %d\n",
|
|
|
+ __func__, ha->func_num);
|
|
|
+
|
|
|
+ /* Proceed to Recover */
|
|
|
+ ha->isp_ops->wr_reg_direct(ha, QLA83XX_DRV_LOCKRECOVERY,
|
|
|
+ (ha->func_num << 2) | PROCEED_TO_RECOVER);
|
|
|
+
|
|
|
+ /* Force Unlock */
|
|
|
+ ha->isp_ops->wr_reg_direct(ha, QLA83XX_DRV_LOCK_ID, 0xFF);
|
|
|
+ ha->isp_ops->rd_reg_direct(ha, QLA83XX_DRV_UNLOCK);
|
|
|
+
|
|
|
+ /* Clear bits 0-5 in IDC_RECOVERY register*/
|
|
|
+ ha->isp_ops->wr_reg_direct(ha, QLA83XX_DRV_LOCKRECOVERY, 0);
|
|
|
+
|
|
|
+ /* Get lock */
|
|
|
+ lock = ha->isp_ops->rd_reg_direct(ha, QLA83XX_DRV_LOCK);
|
|
|
+ if (lock) {
|
|
|
+ lockid = ha->isp_ops->rd_reg_direct(ha, QLA83XX_DRV_LOCK_ID);
|
|
|
+ lockid = ((lockid + (1 << 8)) & ~0xFF) | ha->func_num;
|
|
|
+ ha->isp_ops->wr_reg_direct(ha, QLA83XX_DRV_LOCK_ID, lockid);
|
|
|
+ ret_val = QLA_SUCCESS;
|
|
|
+ }
|
|
|
+
|
|
|
+exit_lock_recovery:
|
|
|
+ return ret_val;
|
|
|
+}
|
|
|
+
|
|
|
+#define QLA83XX_DRV_LOCK_MSLEEP 200
|
|
|
+
|
|
|
+int qla4_83xx_drv_lock(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ int timeout = 0;
|
|
|
+ uint32_t status = 0;
|
|
|
+ int ret_val = QLA_SUCCESS;
|
|
|
+ uint32_t first_owner = 0;
|
|
|
+ uint32_t tmo_owner = 0;
|
|
|
+ uint32_t lock_id;
|
|
|
+ uint32_t func_num;
|
|
|
+ uint32_t lock_cnt;
|
|
|
+
|
|
|
+ while (status == 0) {
|
|
|
+ status = qla4_83xx_rd_reg(ha, QLA83XX_DRV_LOCK);
|
|
|
+ if (status) {
|
|
|
+ /* Increment Counter (8-31) and update func_num (0-7) on
|
|
|
+ * getting a successful lock */
|
|
|
+ lock_id = qla4_83xx_rd_reg(ha, QLA83XX_DRV_LOCK_ID);
|
|
|
+ lock_id = ((lock_id + (1 << 8)) & ~0xFF) | ha->func_num;
|
|
|
+ qla4_83xx_wr_reg(ha, QLA83XX_DRV_LOCK_ID, lock_id);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (timeout == 0)
|
|
|
+ /* Save counter + ID of function holding the lock for
|
|
|
+ * first failure */
|
|
|
+ first_owner = ha->isp_ops->rd_reg_direct(ha,
|
|
|
+ QLA83XX_DRV_LOCK_ID);
|
|
|
+
|
|
|
+ if (++timeout >=
|
|
|
+ (QLA83XX_DRV_LOCK_TIMEOUT / QLA83XX_DRV_LOCK_MSLEEP)) {
|
|
|
+ tmo_owner = qla4_83xx_rd_reg(ha, QLA83XX_DRV_LOCK_ID);
|
|
|
+ func_num = tmo_owner & 0xFF;
|
|
|
+ lock_cnt = tmo_owner >> 8;
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: Lock by func %d failed after 2s, lock held by func %d, lock count %d, first_owner %d\n",
|
|
|
+ __func__, ha->func_num, 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 */
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: IDC lock failed for func %d\n",
|
|
|
+ __func__, ha->func_num);
|
|
|
+ timeout = 0;
|
|
|
+ } else {
|
|
|
+ /* Same driver holding lock > 2sec.
|
|
|
+ * Force Recovery */
|
|
|
+ ret_val = qla4_83xx_lock_recovery(ha);
|
|
|
+ if (ret_val == QLA_SUCCESS) {
|
|
|
+ /* Recovered and got lock */
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: IDC lock Recovery by %d successful\n",
|
|
|
+ __func__, ha->func_num);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ /* Recovery Failed, some other function
|
|
|
+ * has the lock, wait for 2secs and retry */
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: IDC lock Recovery by %d failed, Retrying timout\n",
|
|
|
+ __func__, ha->func_num);
|
|
|
+ timeout = 0;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ msleep(QLA83XX_DRV_LOCK_MSLEEP);
|
|
|
+ }
|
|
|
+
|
|
|
+ return ret_val;
|
|
|
+}
|
|
|
+
|
|
|
+void qla4_83xx_drv_unlock(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ int id;
|
|
|
+
|
|
|
+ id = qla4_83xx_rd_reg(ha, QLA83XX_DRV_LOCK_ID);
|
|
|
+
|
|
|
+ if ((id & 0xFF) != ha->func_num) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: IDC Unlock by %d failed, lock owner is %d\n",
|
|
|
+ __func__, ha->func_num, (id & 0xFF));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Keep lock counter value, update the ha->func_num to 0xFF */
|
|
|
+ qla4_83xx_wr_reg(ha, QLA83XX_DRV_LOCK_ID, (id | 0xFF));
|
|
|
+ qla4_83xx_rd_reg(ha, QLA83XX_DRV_UNLOCK);
|
|
|
+}
|
|
|
+
|
|
|
+void qla4_83xx_set_idc_dontreset(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t idc_ctrl;
|
|
|
+
|
|
|
+ idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
|
|
|
+ idc_ctrl |= DONTRESET_BIT0;
|
|
|
+ qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, idc_ctrl);
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: idc_ctrl = %d\n", __func__,
|
|
|
+ idc_ctrl));
|
|
|
+}
|
|
|
+
|
|
|
+void qla4_83xx_clear_idc_dontreset(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t idc_ctrl;
|
|
|
+
|
|
|
+ idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
|
|
|
+ idc_ctrl &= ~DONTRESET_BIT0;
|
|
|
+ qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, idc_ctrl);
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: idc_ctrl = %d\n", __func__,
|
|
|
+ idc_ctrl));
|
|
|
+}
|
|
|
+
|
|
|
+int qla4_83xx_idc_dontreset(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t idc_ctrl;
|
|
|
+
|
|
|
+ idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
|
|
|
+ return idc_ctrl & DONTRESET_BIT0;
|
|
|
+}
|
|
|
+
|
|
|
+/*-------------------------IDC State Machine ---------------------*/
|
|
|
+
|
|
|
+enum {
|
|
|
+ UNKNOWN_CLASS = 0,
|
|
|
+ NIC_CLASS,
|
|
|
+ FCOE_CLASS,
|
|
|
+ ISCSI_CLASS
|
|
|
+};
|
|
|
+
|
|
|
+struct device_info {
|
|
|
+ int func_num;
|
|
|
+ int device_type;
|
|
|
+ int port_num;
|
|
|
+};
|
|
|
+
|
|
|
+static int qla4_83xx_can_perform_reset(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t drv_active;
|
|
|
+ uint32_t dev_part, dev_part1, dev_part2;
|
|
|
+ int i;
|
|
|
+ struct device_info device_map[16];
|
|
|
+ int func_nibble;
|
|
|
+ int nibble;
|
|
|
+ int nic_present = 0;
|
|
|
+ int iscsi_present = 0;
|
|
|
+ int iscsi_func_low = 0;
|
|
|
+
|
|
|
+ /* Use the dev_partition register to determine the PCI function number
|
|
|
+ * and then check drv_active register to see which driver is loaded */
|
|
|
+ dev_part1 = qla4_83xx_rd_reg(ha,
|
|
|
+ ha->reg_tbl[QLA8XXX_CRB_DEV_PART_INFO]);
|
|
|
+ dev_part2 = qla4_83xx_rd_reg(ha, QLA83XX_CRB_DEV_PART_INFO2);
|
|
|
+ drv_active = qla4_83xx_rd_reg(ha, ha->reg_tbl[QLA8XXX_CRB_DRV_ACTIVE]);
|
|
|
+
|
|
|
+ /* Each function has 4 bits in dev_partition Info register,
|
|
|
+ * Lower 2 bits - device type, Upper 2 bits - physical port number */
|
|
|
+ dev_part = dev_part1;
|
|
|
+ for (i = nibble = 0; i <= 15; i++, nibble++) {
|
|
|
+ func_nibble = dev_part & (0xF << (nibble * 4));
|
|
|
+ func_nibble >>= (nibble * 4);
|
|
|
+ device_map[i].func_num = i;
|
|
|
+ device_map[i].device_type = func_nibble & 0x3;
|
|
|
+ device_map[i].port_num = func_nibble & 0xC;
|
|
|
+
|
|
|
+ if (device_map[i].device_type == NIC_CLASS) {
|
|
|
+ if (drv_active & (1 << device_map[i].func_num)) {
|
|
|
+ nic_present++;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ } else if (device_map[i].device_type == ISCSI_CLASS) {
|
|
|
+ if (drv_active & (1 << device_map[i].func_num)) {
|
|
|
+ if (!iscsi_present ||
|
|
|
+ (iscsi_present &&
|
|
|
+ (iscsi_func_low > device_map[i].func_num)))
|
|
|
+ iscsi_func_low = device_map[i].func_num;
|
|
|
+
|
|
|
+ iscsi_present++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* For function_num[8..15] get info from dev_part2 register */
|
|
|
+ if (nibble == 7) {
|
|
|
+ nibble = 0;
|
|
|
+ dev_part = dev_part2;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* NIC, iSCSI and FCOE are the Reset owners based on order, NIC gets
|
|
|
+ * precedence over iSCSI and FCOE and iSCSI over FCOE, based on drivers
|
|
|
+ * present. */
|
|
|
+ if (!nic_present && (ha->func_num == iscsi_func_low)) {
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%s: can reset - NIC not present and lower iSCSI function is %d\n",
|
|
|
+ __func__, ha->func_num));
|
|
|
+ return 1;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * qla4_83xx_need_reset_handler - Code to start reset sequence
|
|
|
+ * @ha: pointer to adapter structure
|
|
|
+ *
|
|
|
+ * Note: IDC lock must be held upon entry
|
|
|
+ **/
|
|
|
+void qla4_83xx_need_reset_handler(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t dev_state, drv_state, drv_active;
|
|
|
+ unsigned long reset_timeout, dev_init_timeout;
|
|
|
+
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: Performing ISP error recovery\n",
|
|
|
+ __func__);
|
|
|
+
|
|
|
+ if (!test_bit(AF_8XXX_RST_OWNER, &ha->flags)) {
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: reset acknowledged\n",
|
|
|
+ __func__));
|
|
|
+ qla4_8xxx_set_rst_ready(ha);
|
|
|
+
|
|
|
+ /* Non-reset owners ACK Reset and wait for device INIT state
|
|
|
+ * as part of Reset Recovery by Reset Owner */
|
|
|
+ dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
|
|
|
+
|
|
|
+ do {
|
|
|
+ if (time_after_eq(jiffies, dev_init_timeout)) {
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: Non Reset owner dev init timeout\n",
|
|
|
+ __func__);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ ha->isp_ops->idc_unlock(ha);
|
|
|
+ msleep(1000);
|
|
|
+ ha->isp_ops->idc_lock(ha);
|
|
|
+
|
|
|
+ dev_state = qla4_8xxx_rd_direct(ha,
|
|
|
+ QLA8XXX_CRB_DEV_STATE);
|
|
|
+ } while (dev_state == QLA8XXX_DEV_NEED_RESET);
|
|
|
+ } else {
|
|
|
+ qla4_8xxx_set_rst_ready(ha);
|
|
|
+ reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
|
|
|
+ drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE);
|
|
|
+ drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE);
|
|
|
+
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: drv_state = 0x%x, drv_active = 0x%x\n",
|
|
|
+ __func__, drv_state, drv_active);
|
|
|
+
|
|
|
+ while (drv_state != drv_active) {
|
|
|
+ if (time_after_eq(jiffies, reset_timeout)) {
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: %s: RESET TIMEOUT! drv_state: 0x%08x, drv_active: 0x%08x\n",
|
|
|
+ __func__, DRIVER_NAME, drv_state,
|
|
|
+ drv_active);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ ha->isp_ops->idc_unlock(ha);
|
|
|
+ msleep(1000);
|
|
|
+ ha->isp_ops->idc_lock(ha);
|
|
|
+
|
|
|
+ drv_state = qla4_8xxx_rd_direct(ha,
|
|
|
+ QLA8XXX_CRB_DRV_STATE);
|
|
|
+ drv_active = qla4_8xxx_rd_direct(ha,
|
|
|
+ QLA8XXX_CRB_DRV_ACTIVE);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (drv_state != drv_active) {
|
|
|
+ ql4_printk(KERN_INFO, ha, "%s: Reset_owner turning off drv_active of non-acking function 0x%x\n",
|
|
|
+ __func__, (drv_active ^ drv_state));
|
|
|
+ drv_active = drv_active & drv_state;
|
|
|
+ qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_ACTIVE,
|
|
|
+ drv_active);
|
|
|
+ }
|
|
|
+
|
|
|
+ clear_bit(AF_8XXX_RST_OWNER, &ha->flags);
|
|
|
+ /* Start Reset Recovery */
|
|
|
+ qla4_8xxx_device_bootstrap(ha);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void qla4_83xx_get_idc_param(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t idc_params, ret_val;
|
|
|
+
|
|
|
+ ret_val = qla4_83xx_flash_read_u32(ha, QLA83XX_IDC_PARAM_ADDR,
|
|
|
+ (uint8_t *)&idc_params, 1);
|
|
|
+ if (ret_val == QLA_SUCCESS) {
|
|
|
+ ha->nx_dev_init_timeout = idc_params & 0xFFFF;
|
|
|
+ ha->nx_reset_timeout = (idc_params >> 16) & 0xFFFF;
|
|
|
+ } else {
|
|
|
+ ha->nx_dev_init_timeout = ROM_DEV_INIT_TIMEOUT;
|
|
|
+ ha->nx_reset_timeout = ROM_DRV_RESET_ACK_TIMEOUT;
|
|
|
+ }
|
|
|
+
|
|
|
+ DEBUG2(ql4_printk(KERN_DEBUG, ha,
|
|
|
+ "%s: ha->nx_dev_init_timeout = %d, ha->nx_reset_timeout = %d\n",
|
|
|
+ __func__, ha->nx_dev_init_timeout,
|
|
|
+ ha->nx_reset_timeout));
|
|
|
+}
|
|
|
+
|
|
|
+/*-------------------------Reset Sequence Functions-----------------------*/
|
|
|
+
|
|
|
+static void qla4_83xx_dump_reset_seq_hdr(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint8_t *phdr;
|
|
|
+
|
|
|
+ if (!ha->reset_tmplt.buff) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Error: Invalid reset_seq_template\n",
|
|
|
+ __func__);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ phdr = ha->reset_tmplt.buff;
|
|
|
+
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "Reset Template: 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X\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)));
|
|
|
+}
|
|
|
+
|
|
|
+static int qla4_83xx_copy_bootloader(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint8_t *p_cache;
|
|
|
+ uint32_t src, count, size;
|
|
|
+ uint64_t dest;
|
|
|
+ int ret_val = QLA_SUCCESS;
|
|
|
+
|
|
|
+ src = QLA83XX_BOOTLOADER_FLASH_ADDR;
|
|
|
+ dest = qla4_83xx_rd_reg(ha, QLA83XX_BOOTLOADER_ADDR);
|
|
|
+ size = qla4_83xx_rd_reg(ha, QLA83XX_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) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Failed to allocate memory for boot loader cache\n",
|
|
|
+ __func__);
|
|
|
+ ret_val = QLA_ERROR;
|
|
|
+ goto exit_copy_bootloader;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret_val = qla4_83xx_lockless_flash_read_u32(ha, src, p_cache,
|
|
|
+ size / sizeof(uint32_t));
|
|
|
+ if (ret_val == QLA_ERROR) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Error reading firmware from flash\n",
|
|
|
+ __func__);
|
|
|
+ goto exit_copy_error;
|
|
|
+ }
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Read firmware from flash\n",
|
|
|
+ __func__));
|
|
|
+
|
|
|
+ /* 128 bit/16 byte write to MS memory */
|
|
|
+ ret_val = qla4_83xx_ms_mem_write_128b(ha, dest, (uint32_t *)p_cache,
|
|
|
+ count);
|
|
|
+ if (ret_val == QLA_ERROR) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Error writing firmware to MS\n",
|
|
|
+ __func__);
|
|
|
+ goto exit_copy_error;
|
|
|
+ }
|
|
|
+
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Wrote firmware size %d to MS\n",
|
|
|
+ __func__, size));
|
|
|
+
|
|
|
+exit_copy_error:
|
|
|
+ vfree(p_cache);
|
|
|
+
|
|
|
+exit_copy_bootloader:
|
|
|
+ return ret_val;
|
|
|
+}
|
|
|
+
|
|
|
+static int qla4_83xx_check_cmd_peg_status(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t val, ret_val = QLA_ERROR;
|
|
|
+ int retries = CRB_CMDPEG_CHECK_RETRY_COUNT;
|
|
|
+
|
|
|
+ do {
|
|
|
+ val = qla4_83xx_rd_reg(ha, QLA83XX_CMDPEG_STATE);
|
|
|
+ if (val == PHAN_INITIALIZE_COMPLETE) {
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%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;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * qla4_83xx_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.
|
|
|
+ **/
|
|
|
+static int qla4_83xx_poll_reg(struct scsi_qla_host *ha, uint32_t addr,
|
|
|
+ int duration, uint32_t test_mask,
|
|
|
+ uint32_t test_result)
|
|
|
+{
|
|
|
+ uint32_t value;
|
|
|
+ uint8_t retries;
|
|
|
+ int ret_val = QLA_SUCCESS;
|
|
|
+
|
|
|
+ ret_val = qla4_83xx_rd_reg_indirect(ha, addr, &value);
|
|
|
+ if (ret_val == QLA_ERROR)
|
|
|
+ goto exit_poll_reg;
|
|
|
+
|
|
|
+ retries = duration / 10;
|
|
|
+ do {
|
|
|
+ if ((value & test_mask) != test_result) {
|
|
|
+ msleep(duration / 10);
|
|
|
+ ret_val = qla4_83xx_rd_reg_indirect(ha, addr, &value);
|
|
|
+ if (ret_val == QLA_ERROR)
|
|
|
+ goto exit_poll_reg;
|
|
|
+
|
|
|
+ ret_val = QLA_ERROR;
|
|
|
+ } else {
|
|
|
+ ret_val = QLA_SUCCESS;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ } while (retries--);
|
|
|
+
|
|
|
+exit_poll_reg:
|
|
|
+ if (ret_val == QLA_ERROR) {
|
|
|
+ ha->reset_tmplt.seq_error++;
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Poll Failed: 0x%08x 0x%08x 0x%08x\n",
|
|
|
+ __func__, value, test_mask, test_result);
|
|
|
+ }
|
|
|
+
|
|
|
+ return ret_val;
|
|
|
+}
|
|
|
+
|
|
|
+static int qla4_83xx_reset_seq_checksum_test(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t sum = 0;
|
|
|
+ uint16_t *buff = (uint16_t *)ha->reset_tmplt.buff;
|
|
|
+ int u16_count = ha->reset_tmplt.hdr->size / sizeof(uint16_t);
|
|
|
+ int ret_val;
|
|
|
+
|
|
|
+ while (u16_count-- > 0)
|
|
|
+ sum += *buff++;
|
|
|
+
|
|
|
+ while (sum >> 16)
|
|
|
+ sum = (sum & 0xFFFF) + (sum >> 16);
|
|
|
+
|
|
|
+ /* checksum of 0 indicates a valid template */
|
|
|
+ if (~sum) {
|
|
|
+ ret_val = QLA_SUCCESS;
|
|
|
+ } else {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Reset seq checksum failed\n",
|
|
|
+ __func__);
|
|
|
+ ret_val = QLA_ERROR;
|
|
|
+ }
|
|
|
+
|
|
|
+ return ret_val;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * qla4_83xx_read_reset_template - Read Reset Template from Flash
|
|
|
+ * @ha: Pointer to adapter structure
|
|
|
+ **/
|
|
|
+void qla4_83xx_read_reset_template(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint8_t *p_buff;
|
|
|
+ uint32_t addr, tmplt_hdr_def_size, tmplt_hdr_size;
|
|
|
+ uint32_t ret_val;
|
|
|
+
|
|
|
+ ha->reset_tmplt.seq_error = 0;
|
|
|
+ ha->reset_tmplt.buff = vmalloc(QLA83XX_RESTART_TEMPLATE_SIZE);
|
|
|
+ if (ha->reset_tmplt.buff == NULL) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Failed to allocate reset template resources\n",
|
|
|
+ __func__);
|
|
|
+ goto exit_read_reset_template;
|
|
|
+ }
|
|
|
+
|
|
|
+ p_buff = ha->reset_tmplt.buff;
|
|
|
+ addr = QLA83XX_RESET_TEMPLATE_ADDR;
|
|
|
+
|
|
|
+ tmplt_hdr_def_size = sizeof(struct qla4_83xx_reset_template_hdr) /
|
|
|
+ sizeof(uint32_t);
|
|
|
+
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%s: Read template hdr size %d from Flash\n",
|
|
|
+ __func__, tmplt_hdr_def_size));
|
|
|
+
|
|
|
+ /* Copy template header from flash */
|
|
|
+ ret_val = qla4_83xx_flash_read_u32(ha, addr, p_buff,
|
|
|
+ tmplt_hdr_def_size);
|
|
|
+ if (ret_val != QLA_SUCCESS) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Failed to read reset template\n",
|
|
|
+ __func__);
|
|
|
+ goto exit_read_template_error;
|
|
|
+ }
|
|
|
+
|
|
|
+ ha->reset_tmplt.hdr =
|
|
|
+ (struct qla4_83xx_reset_template_hdr *)ha->reset_tmplt.buff;
|
|
|
+
|
|
|
+ /* Validate the template header size and signature */
|
|
|
+ tmplt_hdr_size = ha->reset_tmplt.hdr->hdr_size/sizeof(uint32_t);
|
|
|
+ if ((tmplt_hdr_size != tmplt_hdr_def_size) ||
|
|
|
+ (ha->reset_tmplt.hdr->signature != RESET_TMPLT_HDR_SIGNATURE)) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Template Header size %d is invalid, tmplt_hdr_def_size %d\n",
|
|
|
+ __func__, tmplt_hdr_size, tmplt_hdr_def_size);
|
|
|
+ goto exit_read_template_error;
|
|
|
+ }
|
|
|
+
|
|
|
+ addr = QLA83XX_RESET_TEMPLATE_ADDR + ha->reset_tmplt.hdr->hdr_size;
|
|
|
+ p_buff = ha->reset_tmplt.buff + ha->reset_tmplt.hdr->hdr_size;
|
|
|
+ tmplt_hdr_def_size = (ha->reset_tmplt.hdr->size -
|
|
|
+ ha->reset_tmplt.hdr->hdr_size) / sizeof(uint32_t);
|
|
|
+
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%s: Read rest of the template size %d\n",
|
|
|
+ __func__, ha->reset_tmplt.hdr->size));
|
|
|
+
|
|
|
+ /* Copy rest of the template */
|
|
|
+ ret_val = qla4_83xx_flash_read_u32(ha, addr, p_buff,
|
|
|
+ tmplt_hdr_def_size);
|
|
|
+ if (ret_val != QLA_SUCCESS) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Failed to read reset tempelate\n",
|
|
|
+ __func__);
|
|
|
+ goto exit_read_template_error;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Integrity check */
|
|
|
+ if (qla4_83xx_reset_seq_checksum_test(ha)) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Reset Seq checksum failed!\n",
|
|
|
+ __func__);
|
|
|
+ goto exit_read_template_error;
|
|
|
+ }
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%s: Reset Seq checksum passed, Get stop, start and init seq offsets\n",
|
|
|
+ __func__));
|
|
|
+
|
|
|
+ /* Get STOP, START, INIT sequence offsets */
|
|
|
+ ha->reset_tmplt.init_offset = ha->reset_tmplt.buff +
|
|
|
+ ha->reset_tmplt.hdr->init_seq_offset;
|
|
|
+ ha->reset_tmplt.start_offset = ha->reset_tmplt.buff +
|
|
|
+ ha->reset_tmplt.hdr->start_seq_offset;
|
|
|
+ ha->reset_tmplt.stop_offset = ha->reset_tmplt.buff +
|
|
|
+ ha->reset_tmplt.hdr->hdr_size;
|
|
|
+ qla4_83xx_dump_reset_seq_hdr(ha);
|
|
|
+
|
|
|
+ goto exit_read_reset_template;
|
|
|
+
|
|
|
+exit_read_template_error:
|
|
|
+ vfree(ha->reset_tmplt.buff);
|
|
|
+
|
|
|
+exit_read_reset_template:
|
|
|
+ return;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * qla4_83xx_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 qla4_83xx_read_write_crb_reg(struct scsi_qla_host *ha,
|
|
|
+ uint32_t raddr, uint32_t waddr)
|
|
|
+{
|
|
|
+ uint32_t value;
|
|
|
+
|
|
|
+ qla4_83xx_rd_reg_indirect(ha, raddr, &value);
|
|
|
+ qla4_83xx_wr_reg_indirect(ha, waddr, value);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * qla4_83xx_rmw_crb_reg - Read Modify Write crb register
|
|
|
+ *
|
|
|
+ * This function read value from raddr, AND with test_mask,
|
|
|
+ * Shift Left,Right/OR/XOR with values RMW header and write value to waddr.
|
|
|
+ *
|
|
|
+ * @ha : 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 qla4_83xx_rmw_crb_reg(struct scsi_qla_host *ha, uint32_t raddr,
|
|
|
+ uint32_t waddr,
|
|
|
+ struct qla4_83xx_rmw *p_rmw_hdr)
|
|
|
+{
|
|
|
+ uint32_t value;
|
|
|
+
|
|
|
+ if (p_rmw_hdr->index_a)
|
|
|
+ value = ha->reset_tmplt.array[p_rmw_hdr->index_a];
|
|
|
+ else
|
|
|
+ qla4_83xx_rd_reg_indirect(ha, 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;
|
|
|
+
|
|
|
+ qla4_83xx_wr_reg_indirect(ha, waddr, value);
|
|
|
+
|
|
|
+ return;
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_write_list(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ struct qla4_83xx_entry *p_entry;
|
|
|
+ uint32_t i;
|
|
|
+
|
|
|
+ p_entry = (struct qla4_83xx_entry *)
|
|
|
+ ((char *)p_hdr + sizeof(struct qla4_83xx_reset_entry_hdr));
|
|
|
+
|
|
|
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
|
|
|
+ qla4_83xx_wr_reg_indirect(ha, p_entry->arg1, p_entry->arg2);
|
|
|
+ if (p_hdr->delay)
|
|
|
+ udelay((uint32_t)(p_hdr->delay));
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_read_write_list(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ struct qla4_83xx_entry *p_entry;
|
|
|
+ uint32_t i;
|
|
|
+
|
|
|
+ p_entry = (struct qla4_83xx_entry *)
|
|
|
+ ((char *)p_hdr + sizeof(struct qla4_83xx_reset_entry_hdr));
|
|
|
+
|
|
|
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
|
|
|
+ qla4_83xx_read_write_crb_reg(ha, p_entry->arg1, p_entry->arg2);
|
|
|
+ if (p_hdr->delay)
|
|
|
+ udelay((uint32_t)(p_hdr->delay));
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_poll_list(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ long delay;
|
|
|
+ struct qla4_83xx_entry *p_entry;
|
|
|
+ struct qla4_83xx_poll *p_poll;
|
|
|
+ uint32_t i;
|
|
|
+ uint32_t value;
|
|
|
+
|
|
|
+ p_poll = (struct qla4_83xx_poll *)
|
|
|
+ ((char *)p_hdr + sizeof(struct qla4_83xx_reset_entry_hdr));
|
|
|
+
|
|
|
+ /* Entries start after 8 byte qla4_83xx_poll, poll header contains
|
|
|
+ * the test_mask, test_value. */
|
|
|
+ p_entry = (struct qla4_83xx_entry *)((char *)p_poll +
|
|
|
+ sizeof(struct qla4_83xx_poll));
|
|
|
+
|
|
|
+ delay = (long)p_hdr->delay;
|
|
|
+ if (!delay) {
|
|
|
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
|
|
|
+ qla4_83xx_poll_reg(ha, p_entry->arg1, delay,
|
|
|
+ p_poll->test_mask,
|
|
|
+ p_poll->test_value);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
|
|
|
+ if (qla4_83xx_poll_reg(ha, p_entry->arg1, delay,
|
|
|
+ p_poll->test_mask,
|
|
|
+ p_poll->test_value)) {
|
|
|
+ qla4_83xx_rd_reg_indirect(ha, p_entry->arg1,
|
|
|
+ &value);
|
|
|
+ qla4_83xx_rd_reg_indirect(ha, p_entry->arg2,
|
|
|
+ &value);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_poll_write_list(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ long delay;
|
|
|
+ struct qla4_83xx_quad_entry *p_entry;
|
|
|
+ struct qla4_83xx_poll *p_poll;
|
|
|
+ uint32_t i;
|
|
|
+
|
|
|
+ p_poll = (struct qla4_83xx_poll *)
|
|
|
+ ((char *)p_hdr + sizeof(struct qla4_83xx_reset_entry_hdr));
|
|
|
+ p_entry = (struct qla4_83xx_quad_entry *)
|
|
|
+ ((char *)p_poll + sizeof(struct qla4_83xx_poll));
|
|
|
+ delay = (long)p_hdr->delay;
|
|
|
+
|
|
|
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
|
|
|
+ qla4_83xx_wr_reg_indirect(ha, p_entry->dr_addr,
|
|
|
+ p_entry->dr_value);
|
|
|
+ qla4_83xx_wr_reg_indirect(ha, p_entry->ar_addr,
|
|
|
+ p_entry->ar_value);
|
|
|
+ if (delay) {
|
|
|
+ if (qla4_83xx_poll_reg(ha, p_entry->ar_addr, delay,
|
|
|
+ p_poll->test_mask,
|
|
|
+ p_poll->test_value)) {
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%s: Timeout Error: poll list, item_num %d, entry_num %d\n",
|
|
|
+ __func__, i,
|
|
|
+ ha->reset_tmplt.seq_index));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_read_modify_write(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ struct qla4_83xx_entry *p_entry;
|
|
|
+ struct qla4_83xx_rmw *p_rmw_hdr;
|
|
|
+ uint32_t i;
|
|
|
+
|
|
|
+ p_rmw_hdr = (struct qla4_83xx_rmw *)
|
|
|
+ ((char *)p_hdr + sizeof(struct qla4_83xx_reset_entry_hdr));
|
|
|
+ p_entry = (struct qla4_83xx_entry *)
|
|
|
+ ((char *)p_rmw_hdr + sizeof(struct qla4_83xx_rmw));
|
|
|
+
|
|
|
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
|
|
|
+ qla4_83xx_rmw_crb_reg(ha, p_entry->arg1, p_entry->arg2,
|
|
|
+ p_rmw_hdr);
|
|
|
+ if (p_hdr->delay)
|
|
|
+ udelay((uint32_t)(p_hdr->delay));
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_pause(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ if (p_hdr->delay)
|
|
|
+ mdelay((uint32_t)((long)p_hdr->delay));
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_poll_read_list(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ long delay;
|
|
|
+ int index;
|
|
|
+ struct qla4_83xx_quad_entry *p_entry;
|
|
|
+ struct qla4_83xx_poll *p_poll;
|
|
|
+ uint32_t i;
|
|
|
+ uint32_t value;
|
|
|
+
|
|
|
+ p_poll = (struct qla4_83xx_poll *)
|
|
|
+ ((char *)p_hdr + sizeof(struct qla4_83xx_reset_entry_hdr));
|
|
|
+ p_entry = (struct qla4_83xx_quad_entry *)
|
|
|
+ ((char *)p_poll + sizeof(struct qla4_83xx_poll));
|
|
|
+ delay = (long)p_hdr->delay;
|
|
|
+
|
|
|
+ for (i = 0; i < p_hdr->count; i++, p_entry++) {
|
|
|
+ qla4_83xx_wr_reg_indirect(ha, p_entry->ar_addr,
|
|
|
+ p_entry->ar_value);
|
|
|
+ if (delay) {
|
|
|
+ if (qla4_83xx_poll_reg(ha, p_entry->ar_addr, delay,
|
|
|
+ p_poll->test_mask,
|
|
|
+ p_poll->test_value)) {
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%s: Timeout Error: poll list, Item_num %d, entry_num %d\n",
|
|
|
+ __func__, i,
|
|
|
+ ha->reset_tmplt.seq_index));
|
|
|
+ } else {
|
|
|
+ index = ha->reset_tmplt.array_index;
|
|
|
+ qla4_83xx_rd_reg_indirect(ha, p_entry->dr_addr,
|
|
|
+ &value);
|
|
|
+ ha->reset_tmplt.array[index++] = value;
|
|
|
+
|
|
|
+ if (index == QLA83XX_MAX_RESET_SEQ_ENTRIES)
|
|
|
+ ha->reset_tmplt.array_index = 1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_seq_end(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ ha->reset_tmplt.seq_end = 1;
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_template_end(struct scsi_qla_host *ha,
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr)
|
|
|
+{
|
|
|
+ ha->reset_tmplt.template_end = 1;
|
|
|
+
|
|
|
+ if (ha->reset_tmplt.seq_error == 0) {
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%s: Reset sequence completed SUCCESSFULLY.\n",
|
|
|
+ __func__));
|
|
|
+ } else {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Reset sequence completed with some timeout errors.\n",
|
|
|
+ __func__);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * qla4_83xx_process_reset_template - 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 qla4_83xx_process_reset_template(struct scsi_qla_host *ha,
|
|
|
+ char *p_buff)
|
|
|
+{
|
|
|
+ int index, entries;
|
|
|
+ struct qla4_83xx_reset_entry_hdr *p_hdr;
|
|
|
+ char *p_entry = p_buff;
|
|
|
+
|
|
|
+ ha->reset_tmplt.seq_end = 0;
|
|
|
+ ha->reset_tmplt.template_end = 0;
|
|
|
+ entries = ha->reset_tmplt.hdr->entries;
|
|
|
+ index = ha->reset_tmplt.seq_index;
|
|
|
+
|
|
|
+ for (; (!ha->reset_tmplt.seq_end) && (index < entries); index++) {
|
|
|
+
|
|
|
+ p_hdr = (struct qla4_83xx_reset_entry_hdr *)p_entry;
|
|
|
+ switch (p_hdr->cmd) {
|
|
|
+ case OPCODE_NOP:
|
|
|
+ break;
|
|
|
+ case OPCODE_WRITE_LIST:
|
|
|
+ qla4_83xx_write_list(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ case OPCODE_READ_WRITE_LIST:
|
|
|
+ qla4_83xx_read_write_list(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ case OPCODE_POLL_LIST:
|
|
|
+ qla4_83xx_poll_list(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ case OPCODE_POLL_WRITE_LIST:
|
|
|
+ qla4_83xx_poll_write_list(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ case OPCODE_READ_MODIFY_WRITE:
|
|
|
+ qla4_83xx_read_modify_write(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ case OPCODE_SEQ_PAUSE:
|
|
|
+ qla4_83xx_pause(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ case OPCODE_SEQ_END:
|
|
|
+ qla4_83xx_seq_end(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ case OPCODE_TMPL_END:
|
|
|
+ qla4_83xx_template_end(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ case OPCODE_POLL_READ_LIST:
|
|
|
+ qla4_83xx_poll_read_list(ha, p_hdr);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ ql4_printk(KERN_ERR, ha, "%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;
|
|
|
+ }
|
|
|
+
|
|
|
+ ha->reset_tmplt.seq_index = index;
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_process_stop_seq(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ ha->reset_tmplt.seq_index = 0;
|
|
|
+ qla4_83xx_process_reset_template(ha, ha->reset_tmplt.stop_offset);
|
|
|
+
|
|
|
+ if (ha->reset_tmplt.seq_end != 1)
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Abrupt STOP Sub-Sequence end.\n",
|
|
|
+ __func__);
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_process_start_seq(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ qla4_83xx_process_reset_template(ha, ha->reset_tmplt.start_offset);
|
|
|
+
|
|
|
+ if (ha->reset_tmplt.template_end != 1)
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Abrupt START Sub-Sequence end.\n",
|
|
|
+ __func__);
|
|
|
+}
|
|
|
+
|
|
|
+static void qla4_83xx_process_init_seq(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ qla4_83xx_process_reset_template(ha, ha->reset_tmplt.init_offset);
|
|
|
+
|
|
|
+ if (ha->reset_tmplt.seq_end != 1)
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Abrupt INIT Sub-Sequence end.\n",
|
|
|
+ __func__);
|
|
|
+}
|
|
|
+
|
|
|
+static int qla4_83xx_restart(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ int ret_val = QLA_SUCCESS;
|
|
|
+
|
|
|
+ qla4_83xx_process_stop_seq(ha);
|
|
|
+
|
|
|
+ /* Collect minidump*/
|
|
|
+ if (!test_and_clear_bit(AF_83XX_NO_FW_DUMP, &ha->flags))
|
|
|
+ qla4_8xxx_get_minidump(ha);
|
|
|
+
|
|
|
+ qla4_83xx_process_init_seq(ha);
|
|
|
+
|
|
|
+ if (qla4_83xx_copy_bootloader(ha)) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Copy bootloader, firmware restart failed!\n",
|
|
|
+ __func__);
|
|
|
+ ret_val = QLA_ERROR;
|
|
|
+ goto exit_restart;
|
|
|
+ }
|
|
|
+
|
|
|
+ qla4_83xx_wr_reg(ha, QLA83XX_FW_IMAGE_VALID, QLA83XX_BOOT_FROM_FLASH);
|
|
|
+ qla4_83xx_process_start_seq(ha);
|
|
|
+
|
|
|
+exit_restart:
|
|
|
+ return ret_val;
|
|
|
+}
|
|
|
+
|
|
|
+int qla4_83xx_start_firmware(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ int ret_val = QLA_SUCCESS;
|
|
|
+
|
|
|
+ ret_val = qla4_83xx_restart(ha);
|
|
|
+ if (ret_val == QLA_ERROR) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Restart error\n", __func__);
|
|
|
+ goto exit_start_fw;
|
|
|
+ } else {
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Restart done\n",
|
|
|
+ __func__));
|
|
|
+ }
|
|
|
+
|
|
|
+ ret_val = qla4_83xx_check_cmd_peg_status(ha);
|
|
|
+ if (ret_val == QLA_ERROR)
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Peg not initialized\n",
|
|
|
+ __func__);
|
|
|
+
|
|
|
+exit_start_fw:
|
|
|
+ return ret_val;
|
|
|
+}
|
|
|
+
|
|
|
+/*----------------------Interrupt Related functions ---------------------*/
|
|
|
+
|
|
|
+void qla4_83xx_disable_intrs(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t mb_int, ret;
|
|
|
+
|
|
|
+ if (test_and_clear_bit(AF_INTERRUPTS_ON, &ha->flags))
|
|
|
+ qla4_8xxx_mbx_intr_disable(ha);
|
|
|
+
|
|
|
+ ret = readl(&ha->qla4_83xx_reg->mbox_int);
|
|
|
+ mb_int = ret & ~INT_ENABLE_FW_MB;
|
|
|
+ writel(mb_int, &ha->qla4_83xx_reg->mbox_int);
|
|
|
+ writel(1, &ha->qla4_83xx_reg->leg_int_mask);
|
|
|
+}
|
|
|
+
|
|
|
+void qla4_83xx_enable_intrs(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ uint32_t mb_int;
|
|
|
+
|
|
|
+ qla4_8xxx_mbx_intr_enable(ha);
|
|
|
+ mb_int = INT_ENABLE_FW_MB;
|
|
|
+ writel(mb_int, &ha->qla4_83xx_reg->mbox_int);
|
|
|
+ writel(0, &ha->qla4_83xx_reg->leg_int_mask);
|
|
|
+
|
|
|
+ set_bit(AF_INTERRUPTS_ON, &ha->flags);
|
|
|
+}
|
|
|
+
|
|
|
+void qla4_83xx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd,
|
|
|
+ int incount)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+
|
|
|
+ /* Load all mailbox registers, except mailbox 0. */
|
|
|
+ for (i = 1; i < incount; i++)
|
|
|
+ writel(mbx_cmd[i], &ha->qla4_83xx_reg->mailbox_in[i]);
|
|
|
+
|
|
|
+ writel(mbx_cmd[0], &ha->qla4_83xx_reg->mailbox_in[0]);
|
|
|
+
|
|
|
+ /* Set Host Interrupt register to 1, to tell the firmware that
|
|
|
+ * a mailbox command is pending. Firmware after reading the
|
|
|
+ * mailbox command, clears the host interrupt register */
|
|
|
+ writel(HINT_MBX_INT_PENDING, &ha->qla4_83xx_reg->host_intr);
|
|
|
+}
|
|
|
+
|
|
|
+void qla4_83xx_process_mbox_intr(struct scsi_qla_host *ha, int outcount)
|
|
|
+{
|
|
|
+ int intr_status;
|
|
|
+
|
|
|
+ intr_status = readl(&ha->qla4_83xx_reg->risc_intr);
|
|
|
+ if (intr_status) {
|
|
|
+ ha->mbox_status_count = outcount;
|
|
|
+ ha->isp_ops->interrupt_service_routine(ha, intr_status);
|
|
|
+ }
|
|
|
+ writel(0, &ha->qla4_83xx_reg->risc_intr);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * qla4_83xx_isp_reset - Resets ISP and aborts all outstanding commands.
|
|
|
+ * @ha: pointer to host adapter structure.
|
|
|
+ **/
|
|
|
+int qla4_83xx_isp_reset(struct scsi_qla_host *ha)
|
|
|
+{
|
|
|
+ int rval;
|
|
|
+ uint32_t dev_state;
|
|
|
+
|
|
|
+ ha->isp_ops->idc_lock(ha);
|
|
|
+ dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
|
|
|
+
|
|
|
+ if (ql4xdontresethba)
|
|
|
+ qla4_83xx_set_idc_dontreset(ha);
|
|
|
+
|
|
|
+ if (dev_state == QLA8XXX_DEV_READY) {
|
|
|
+ /* If IDC_CTRL DONTRESETHBA_BIT0 is set dont do reset
|
|
|
+ * recovery */
|
|
|
+ if (qla4_83xx_idc_dontreset(ha) == DONTRESET_BIT0) {
|
|
|
+ ql4_printk(KERN_ERR, ha, "%s: Reset recovery disabled\n",
|
|
|
+ __func__);
|
|
|
+ rval = QLA_ERROR;
|
|
|
+ goto exit_isp_reset;
|
|
|
+ }
|
|
|
+
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET\n",
|
|
|
+ __func__));
|
|
|
+ qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
|
|
|
+ QLA8XXX_DEV_NEED_RESET);
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* If device_state is NEED_RESET, go ahead with
|
|
|
+ * Reset,irrespective of ql4xdontresethba. 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. */
|
|
|
+ DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
|
+ "%s: HW state already set to NEED_RESET\n",
|
|
|
+ __func__));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* For ISP8324, Reset owner is NIC, iSCSI or FCOE based on priority
|
|
|
+ * and which drivers are present. Unlike ISP8022, the function setting
|
|
|
+ * NEED_RESET, may not be the Reset owner. */
|
|
|
+ if (qla4_83xx_can_perform_reset(ha))
|
|
|
+ set_bit(AF_8XXX_RST_OWNER, &ha->flags);
|
|
|
+
|
|
|
+ ha->isp_ops->idc_unlock(ha);
|
|
|
+ rval = qla4_8xxx_device_state_handler(ha);
|
|
|
+
|
|
|
+ ha->isp_ops->idc_lock(ha);
|
|
|
+ qla4_8xxx_clear_rst_ready(ha);
|
|
|
+exit_isp_reset:
|
|
|
+ ha->isp_ops->idc_unlock(ha);
|
|
|
+
|
|
|
+ if (rval == QLA_SUCCESS)
|
|
|
+ clear_bit(AF_FW_RECOVERY, &ha->flags);
|
|
|
+
|
|
|
+ return rval;
|
|
|
+}
|