--- /dev/null
+/*
+ * QLogic iSCSI HBA Driver
+ * Copyright (c) 2003-2013 QLogic Corporation
+ *
+ * See LICENSE.qla4xxx for copyright and licensing details.
+ */
+
+#include <scsi/iscsi_if.h>
+#include "ql4_def.h"
+#include "ql4_glbl.h"
+#include "ql4_dbg.h"
+#include "ql4_inline.h"
+
+static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
+{
+ uint32_t value;
+ uint8_t func_number;
+ unsigned long flags;
+
+ /* Get the function number */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ value = readw(&ha->reg->ctrl_status);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ func_number = (uint8_t) ((value >> 4) & 0x30);
+ switch (value & ISP_CONTROL_FN_MASK) {
+ case ISP_CONTROL_FN0_SCSI:
+ ha->mac_index = 1;
+ break;
+ case ISP_CONTROL_FN1_SCSI:
+ ha->mac_index = 3;
+ break;
+ default:
+ DEBUG2(printk("scsi%ld: %s: Invalid function number, "
+ "ispControlStatus = 0x%x\n", ha->host_no,
+ __func__, value));
+ break;
+ }
+ DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha->host_no, __func__,
+ ha->mac_index));
+}
+
+/**
+ * qla4xxx_free_ddb - deallocate ddb
+ * @ha: pointer to host adapter structure.
+ * @ddb_entry: pointer to device database entry
+ *
+ * This routine marks a DDB entry INVALID
+ **/
+void qla4xxx_free_ddb(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry)
+{
+ /* Remove device pointer from index mapping arrays */
+ ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] =
+ (struct ddb_entry *) INVALID_ENTRY;
+ ha->tot_ddbs--;
+}
+
+/**
+ * qla4xxx_init_response_q_entries() - Initializes response queue entries.
+ * @ha: HA context
+ *
+ * Beginning of request ring has initialization control block already built
+ * by nvram config routine.
+ **/
+static void qla4xxx_init_response_q_entries(struct scsi_qla_host *ha)
+{
+ uint16_t cnt;
+ struct response *pkt;
+
+ pkt = (struct response *)ha->response_ptr;
+ for (cnt = 0; cnt < RESPONSE_QUEUE_DEPTH; cnt++) {
+ pkt->signature = RESPONSE_PROCESSED;
+ pkt++;
+ }
+}
+
+/**
+ * qla4xxx_init_rings - initialize hw queues
+ * @ha: pointer to host adapter structure.
+ *
+ * This routine initializes the internal queues for the specified adapter.
+ * The QLA4010 requires us to restart the queues at index 0.
+ * The QLA4000 doesn't care, so just default to QLA4010's requirement.
+ **/
+int qla4xxx_init_rings(struct scsi_qla_host *ha)
+{
+ unsigned long flags = 0;
+ int i;
+
+ /* Initialize request queue. */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ ha->request_out = 0;
+ ha->request_in = 0;
+ ha->request_ptr = &ha->request_ring[ha->request_in];
+ ha->req_q_count = REQUEST_QUEUE_DEPTH;
+
+ /* Initialize response queue. */
+ ha->response_in = 0;
+ ha->response_out = 0;
+ ha->response_ptr = &ha->response_ring[ha->response_out];
+
+ if (is_qla8022(ha)) {
+ writel(0,
+ (unsigned long __iomem *)&ha->qla4_82xx_reg->req_q_out);
+ writel(0,
+ (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_in);
+ writel(0,
+ (unsigned long __iomem *)&ha->qla4_82xx_reg->rsp_q_out);
+ } else if (is_qla8032(ha) || is_qla8042(ha)) {
+ writel(0,
+ (unsigned long __iomem *)&ha->qla4_83xx_reg->req_q_in);
+ writel(0,
+ (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_in);
+ writel(0,
+ (unsigned long __iomem *)&ha->qla4_83xx_reg->rsp_q_out);
+ } else {
+ /*
+ * Initialize DMA Shadow registers. The firmware is really
+ * supposed to take care of this, but on some uniprocessor
+ * systems, the shadow registers aren't cleared-- causing
+ * the interrupt_handler to think there are responses to be
+ * processed when there aren't.
+ */
+ ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0);
+ ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0);
+ wmb();
+
+ writel(0, &ha->reg->req_q_in);
+ writel(0, &ha->reg->rsp_q_out);
+ readl(&ha->reg->rsp_q_out);
+ }
+
+ qla4xxx_init_response_q_entries(ha);
+
+ /* Initialize mailbox active array */
+ for (i = 0; i < MAX_MRB; i++)
+ ha->active_mrb_array[i] = NULL;
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla4xxx_get_sys_info - validate adapter MAC address(es)
+ * @ha: pointer to host adapter structure.
+ *
+ **/
+int qla4xxx_get_sys_info(struct scsi_qla_host *ha)
+{
+ struct flash_sys_info *sys_info;
+ dma_addr_t sys_info_dma;
+ int status = QLA_ERROR;
+
+ sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
+ &sys_info_dma, GFP_KERNEL);
+ if (sys_info == NULL) {
+ DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
+ ha->host_no, __func__));
+
+ goto exit_get_sys_info_no_free;
+ }
+ memset(sys_info, 0, sizeof(*sys_info));
+
+ /* Get flash sys info */
+ if (qla4xxx_get_flash(ha, sys_info_dma, FLASH_OFFSET_SYS_INFO,
+ sizeof(*sys_info)) != QLA_SUCCESS) {
+ DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO "
+ "failed\n", ha->host_no, __func__));
+
+ goto exit_get_sys_info;
+ }
+
+ /* Save M.A.C. address & serial_number */
+ memcpy(ha->my_mac, &sys_info->physAddr[0].address[0],
+ min(sizeof(ha->my_mac),
+ sizeof(sys_info->physAddr[0].address)));
+ memcpy(ha->serial_number, &sys_info->acSerialNumber,
+ min(sizeof(ha->serial_number),
+ sizeof(sys_info->acSerialNumber)));
+
+ status = QLA_SUCCESS;
+
+exit_get_sys_info:
+ dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info,
+ sys_info_dma);
+
+exit_get_sys_info_no_free:
+ return status;
+}
+
+/**
+ * qla4xxx_init_local_data - initialize adapter specific local data
+ * @ha: pointer to host adapter structure.
+ *
+ **/
+static void qla4xxx_init_local_data(struct scsi_qla_host *ha)
+{
+ /* Initialize aen queue */
+ ha->aen_q_count = MAX_AEN_ENTRIES;
+}
+
+static uint8_t
+qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
+{
+ uint8_t ipv4_wait = 0;
+ uint8_t ipv6_wait = 0;
+ int8_t ip_address[IPv6_ADDR_LEN] = {0} ;
+
+ /* If both IPv4 & IPv6 are enabled, possibly only one
+ * IP address may be acquired, so check to see if we
+ * need to wait for another */
+ if (is_ipv4_enabled(ha) && is_ipv6_enabled(ha)) {
+ if (((ha->addl_fw_state & FW_ADDSTATE_DHCPv4_ENABLED) != 0) &&
+ ((ha->addl_fw_state &
+ FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) {
+ ipv4_wait = 1;
+ }
+ if (((ha->ip_config.ipv6_addl_options &
+ IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) &&
+ ((ha->ip_config.ipv6_link_local_state ==
+ IP_ADDRSTATE_ACQUIRING) ||
+ (ha->ip_config.ipv6_addr0_state ==
+ IP_ADDRSTATE_ACQUIRING) ||
+ (ha->ip_config.ipv6_addr1_state ==
+ IP_ADDRSTATE_ACQUIRING))) {
+
+ ipv6_wait = 1;
+
+ if ((ha->ip_config.ipv6_link_local_state ==
+ IP_ADDRSTATE_PREFERRED) ||
+ (ha->ip_config.ipv6_addr0_state ==
+ IP_ADDRSTATE_PREFERRED) ||
+ (ha->ip_config.ipv6_addr1_state ==
+ IP_ADDRSTATE_PREFERRED)) {
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
+ "Preferred IP configured."
+ " Don't wait!\n", ha->host_no,
+ __func__));
+ ipv6_wait = 0;
+ }
+ if (memcmp(&ha->ip_config.ipv6_default_router_addr,
+ ip_address, IPv6_ADDR_LEN) == 0) {
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
+ "No Router configured. "
+ "Don't wait!\n", ha->host_no,
+ __func__));
+ ipv6_wait = 0;
+ }
+ if ((ha->ip_config.ipv6_default_router_state ==
+ IPV6_RTRSTATE_MANUAL) &&
+ (ha->ip_config.ipv6_link_local_state ==
+ IP_ADDRSTATE_TENTATIVE) &&
+ (memcmp(&ha->ip_config.ipv6_link_local_addr,
+ &ha->ip_config.ipv6_default_router_addr, 4) ==
+ 0)) {
+ DEBUG2(printk("scsi%ld: %s: LinkLocal Router & "
+ "IP configured. Don't wait!\n",
+ ha->host_no, __func__));
+ ipv6_wait = 0;
+ }
+ }
+ if (ipv4_wait || ipv6_wait) {
+ DEBUG2(printk("scsi%ld: %s: Wait for additional "
+ "IP(s) \"", ha->host_no, __func__));
+ if (ipv4_wait)
+ DEBUG2(printk("IPv4 "));
+ if (ha->ip_config.ipv6_link_local_state ==
+ IP_ADDRSTATE_ACQUIRING)
+ DEBUG2(printk("IPv6LinkLocal "));
+ if (ha->ip_config.ipv6_addr0_state ==
+ IP_ADDRSTATE_ACQUIRING)
+ DEBUG2(printk("IPv6Addr0 "));
+ if (ha->ip_config.ipv6_addr1_state ==
+ IP_ADDRSTATE_ACQUIRING)
+ DEBUG2(printk("IPv6Addr1 "));
+ DEBUG2(printk("\"\n"));
+ }
+ }
+
+ return ipv4_wait|ipv6_wait;
+}
+
+static int qla4_80xx_is_minidump_dma_capable(struct scsi_qla_host *ha,
+ struct qla4_8xxx_minidump_template_hdr *md_hdr)
+{
+ int offset = (is_qla8022(ha)) ? QLA8022_TEMPLATE_CAP_OFFSET :
+ QLA83XX_TEMPLATE_CAP_OFFSET;
+ int rval = 1;
+ uint32_t *cap_offset;
+
+ cap_offset = (uint32_t *)((char *)md_hdr + offset);
+
+ if (!(le32_to_cpu(*cap_offset) & BIT_0)) {
+ ql4_printk(KERN_INFO, ha, "PEX DMA Not supported %d\n",
+ *cap_offset);
+ rval = 0;
+ }
+
+ return rval;
+}
+
+/**
+ * qla4xxx_alloc_fw_dump - Allocate memory for minidump data.
+ * @ha: pointer to host adapter structure.
+ **/
+void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha)
+{
+ int status;
+ uint32_t capture_debug_level;
+ int hdr_entry_bit, k;
+ void *md_tmp;
+ dma_addr_t md_tmp_dma;
+ struct qla4_8xxx_minidump_template_hdr *md_hdr;
+ int dma_capable;
+
+ if (ha->fw_dump) {
+ ql4_printk(KERN_WARNING, ha,
+ "Firmware dump previously allocated.\n");
+ return;
+ }
+
+ status = qla4xxx_req_template_size(ha);
+ if (status != QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha,
+ "scsi%ld: Failed to get template size\n",
+ ha->host_no);
+ return;
+ }
+
+ clear_bit(AF_82XX_FW_DUMPED, &ha->flags);
+
+ /* Allocate memory for saving the template */
+ md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size,
+ &md_tmp_dma, GFP_KERNEL);
+ if (!md_tmp) {
+ ql4_printk(KERN_INFO, ha,
+ "scsi%ld: Failed to allocate DMA memory\n",
+ ha->host_no);
+ return;
+ }
+
+ /* Request template */
+ status = qla4xxx_get_minidump_template(ha, md_tmp_dma);
+ if (status != QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha,
+ "scsi%ld: Failed to get minidump template\n",
+ ha->host_no);
+ goto alloc_cleanup;
+ }
+
+ md_hdr = (struct qla4_8xxx_minidump_template_hdr *)md_tmp;
+
+ dma_capable = qla4_80xx_is_minidump_dma_capable(ha, md_hdr);
+
+ capture_debug_level = md_hdr->capture_debug_level;
+
+ /* Get capture mask based on module loadtime setting. */
+ if ((ql4xmdcapmask >= 0x3 && ql4xmdcapmask <= 0x7F) ||
+ (ql4xmdcapmask == 0xFF && dma_capable)) {
+ ha->fw_dump_capture_mask = ql4xmdcapmask;
+ } else {
+ if (ql4xmdcapmask == 0xFF)
+ ql4_printk(KERN_INFO, ha, "Falling back to default capture mask, as PEX DMA is not supported\n");
+ ha->fw_dump_capture_mask = capture_debug_level;
+ }
+
+ md_hdr->driver_capture_mask = ha->fw_dump_capture_mask;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Minimum num of entries = %d\n",
+ md_hdr->num_of_entries));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Dump template size = %d\n",
+ ha->fw_dump_tmplt_size));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Selected Capture mask =0x%x\n",
+ ha->fw_dump_capture_mask));
+
+ /* Calculate fw_dump_size */
+ for (hdr_entry_bit = 0x2, k = 1; (hdr_entry_bit & 0xFF);
+ hdr_entry_bit <<= 1, k++) {
+ if (hdr_entry_bit & ha->fw_dump_capture_mask)
+ ha->fw_dump_size += md_hdr->capture_size_array[k];
+ }
+
+ /* Total firmware dump size including command header */
+ ha->fw_dump_size += ha->fw_dump_tmplt_size;
+ ha->fw_dump = vmalloc(ha->fw_dump_size);
+ if (!ha->fw_dump)
+ goto alloc_cleanup;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Minidump Tempalate Size = 0x%x KB\n",
+ ha->fw_dump_tmplt_size));
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Total Minidump size = 0x%x KB\n", ha->fw_dump_size));
+
+ memcpy(ha->fw_dump, md_tmp, ha->fw_dump_tmplt_size);
+ ha->fw_dump_tmplt_hdr = ha->fw_dump;
+
+alloc_cleanup:
+ dma_free_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size,
+ md_tmp, md_tmp_dma);
+}
+
+static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
+{
+ uint32_t timeout_count;
+ int ready = 0;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Waiting for Firmware Ready..\n"));
+ for (timeout_count = ADAPTER_INIT_TOV; timeout_count > 0;
+ timeout_count--) {
+ if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
+ qla4xxx_get_dhcp_ip_address(ha);
+
+ /* Get firmware state. */
+ if (qla4xxx_get_firmware_state(ha) != QLA_SUCCESS) {
+ DEBUG2(printk("scsi%ld: %s: unable to get firmware "
+ "state\n", ha->host_no, __func__));
+ break;
+ }
+
+ if (ha->firmware_state & FW_STATE_ERROR) {
+ DEBUG2(printk("scsi%ld: %s: an unrecoverable error has"
+ " occurred\n", ha->host_no, __func__));
+ break;
+
+ }
+ if (ha->firmware_state & FW_STATE_CONFIG_WAIT) {
+ /*
+ * The firmware has not yet been issued an Initialize
+ * Firmware command, so issue it now.
+ */
+ if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR)
+ break;
+
+ /* Go back and test for ready state - no wait. */
+ continue;
+ }
+
+ if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
+ "AUTOCONNECT in progress\n",
+ ha->host_no, __func__));
+ }
+
+ if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s: fwstate:"
+ " CONFIGURING IP\n",
+ ha->host_no, __func__));
+ /*
+ * Check for link state after 15 secs and if link is
+ * still DOWN then, cable is unplugged. Ignore "DHCP
+ * in Progress/CONFIGURING IP" bit to check if firmware
+ * is in ready state or not after 15 secs.
+ * This is applicable for both 2.x & 3.x firmware
+ */
+ if (timeout_count <= (ADAPTER_INIT_TOV - 15)) {
+ if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) {
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s:"
+ " LINK UP (Cable plugged)\n",
+ ha->host_no, __func__));
+ } else if (ha->firmware_state &
+ (FW_STATE_CONFIGURING_IP |
+ FW_STATE_READY)) {
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
+ "LINK DOWN (Cable unplugged)\n",
+ ha->host_no, __func__));
+ ha->firmware_state = FW_STATE_READY;
+ }
+ }
+ }
+
+ if (ha->firmware_state == FW_STATE_READY) {
+ /* If DHCP IP Addr is available, retrieve it now. */
+ if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR,
+ &ha->dpc_flags))
+ qla4xxx_get_dhcp_ip_address(ha);
+
+ if (!qla4xxx_wait_for_ip_config(ha) ||
+ timeout_count == 1) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Firmware Ready..\n"));
+ /* The firmware is ready to process SCSI
+ commands. */
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s: MEDIA TYPE"
+ " - %s\n", ha->host_no,
+ __func__, (ha->addl_fw_state &
+ FW_ADDSTATE_OPTICAL_MEDIA)
+ != 0 ? "OPTICAL" : "COPPER"));
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s: DHCPv4 STATE"
+ " Enabled %s\n", ha->host_no,
+ __func__, (ha->addl_fw_state &
+ FW_ADDSTATE_DHCPv4_ENABLED) != 0 ?
+ "YES" : "NO"));
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s: LINK %s\n",
+ ha->host_no, __func__,
+ (ha->addl_fw_state &
+ FW_ADDSTATE_LINK_UP) != 0 ?
+ "UP" : "DOWN"));
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s: iSNS Service "
+ "Started %s\n",
+ ha->host_no, __func__,
+ (ha->addl_fw_state &
+ FW_ADDSTATE_ISNS_SVC_ENABLED) != 0 ?
+ "YES" : "NO"));
+
+ ready = 1;
+ break;
+ }
+ }
+ DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - "
+ "seconds expired= %d\n", ha->host_no, __func__,
+ ha->firmware_state, ha->addl_fw_state,
+ timeout_count));
+ if (is_qla4032(ha) &&
+ !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) &&
+ (timeout_count < ADAPTER_INIT_TOV - 5)) {
+ break;
+ }
+
+ msleep(1000);
+ } /* end of for */
+
+ if (timeout_count <= 0)
+ DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n",
+ ha->host_no, __func__));
+
+ if (ha->firmware_state & FW_STATE_CONFIGURING_IP) {
+ DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting "
+ "it's waiting to configure an IP address\n",
+ ha->host_no, __func__));
+ ready = 1;
+ } else if (ha->firmware_state & FW_STATE_WAIT_AUTOCONNECT) {
+ DEBUG2(printk("scsi%ld: %s: FW initialized, but "
+ "auto-discovery still in process\n",
+ ha->host_no, __func__));
+ ready = 1;
+ }
+
+ return ready;
+}
+
+/**
+ * qla4xxx_init_firmware - initializes the firmware.
+ * @ha: pointer to host adapter structure.
+ *
+ **/
+static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
+{
+ int status = QLA_ERROR;
+
+ if (is_aer_supported(ha) &&
+ test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
+ return status;
+
+ /* For 82xx, stop firmware before initializing because if BIOS
+ * has previously initialized firmware, then driver's initialize
+ * firmware will fail. */
+ if (is_qla80XX(ha))
+ qla4_8xxx_stop_firmware(ha);
+
+ ql4_printk(KERN_INFO, ha, "Initializing firmware..\n");
+ if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) {
+ DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware "
+ "control block\n", ha->host_no, __func__));
+ return status;
+ }
+
+ if (!qla4xxx_fw_ready(ha))
+ return status;
+
+ if (is_qla80XX(ha) && !test_bit(AF_INIT_DONE, &ha->flags))
+ qla4xxx_alloc_fw_dump(ha);
+
+ return qla4xxx_get_firmware_status(ha);
+}
+
+static void qla4xxx_set_model_info(struct scsi_qla_host *ha)
+{
+ uint16_t board_id_string[8];
+ int i;
+ int size = sizeof(ha->nvram->isp4022.boardIdStr);
+ int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2;
+
+ for (i = 0; i < (size / 2) ; i++) {
+ board_id_string[i] = rd_nvram_word(ha, offset);
+ offset += 1;
+ }
+
+ memcpy(ha->model_name, board_id_string, size);
+}
+
+static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
+{
+ unsigned long flags;
+ union external_hw_config_reg extHwConfig;
+
+ DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha->host_no,
+ __func__));
+ if (ql4xxx_lock_flash(ha) != QLA_SUCCESS)
+ return QLA_ERROR;
+ if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) {
+ ql4xxx_unlock_flash(ha);
+ return QLA_ERROR;
+ }
+
+ /* Get EEPRom Parameters from NVRAM and validate */
+ ql4_printk(KERN_INFO, ha, "Configuring NVRAM ...\n");
+ if (qla4xxx_is_nvram_configuration_valid(ha) == QLA_SUCCESS) {
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ extHwConfig.Asuint32_t =
+ rd_nvram_word(ha, eeprom_ext_hw_conf_offset(ha));
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ } else {
+ ql4_printk(KERN_WARNING, ha,
+ "scsi%ld: %s: EEProm checksum invalid. "
+ "Please update your EEPROM\n", ha->host_no,
+ __func__);
+
+ /* Attempt to set defaults */
+ if (is_qla4010(ha))
+ extHwConfig.Asuint32_t = 0x1912;
+ else if (is_qla4022(ha) | is_qla4032(ha))
+ extHwConfig.Asuint32_t = 0x0023;
+ else
+ return QLA_ERROR;
+ }
+
+ if (is_qla4022(ha) || is_qla4032(ha))
+ qla4xxx_set_model_info(ha);
+ else
+ strcpy(ha->model_name, "QLA4010");
+
+ DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n",
+ ha->host_no, __func__, extHwConfig.Asuint32_t));
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ writel((0xFFFF << 16) | extHwConfig.Asuint32_t, isp_ext_hw_conf(ha));
+ readl(isp_ext_hw_conf(ha));
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ ql4xxx_unlock_nvram(ha);
+ ql4xxx_unlock_flash(ha);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers.
+ * @ha: HA context
+ */
+void qla4_8xxx_pci_config(struct scsi_qla_host *ha)
+{
+ pci_set_master(ha->pdev);
+}
+
+void qla4xxx_pci_config(struct scsi_qla_host *ha)
+{
+ uint16_t w;
+ int status;
+
+ ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
+
+ pci_set_master(ha->pdev);
+ status = pci_set_mwi(ha->pdev);
+ /*
+ * We want to respect framework's setting of PCI configuration space
+ * command register and also want to make sure that all bits of
+ * interest to us are properly set in command register.
+ */
+ pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
+ w |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
+ w &= ~PCI_COMMAND_INTX_DISABLE;
+ pci_write_config_word(ha->pdev, PCI_COMMAND, w);
+}
+
+static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha)
+{
+ int status = QLA_ERROR;
+ unsigned long max_wait_time;
+ unsigned long flags;
+ uint32_t mbox_status;
+
+ ql4_printk(KERN_INFO, ha, "Starting firmware ...\n");
+
+ /*
+ * Start firmware from flash ROM
+ *
+ * WORKAROUND: Stuff a non-constant value that the firmware can
+ * use as a seed for a random number generator in MB7 prior to
+ * setting BOOT_ENABLE. Fixes problem where the TCP
+ * connections use the same TCP ports after each reboot,
+ * causing some connections to not get re-established.
+ */
+ DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n",
+ ha->host_no, __func__));
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ writel(jiffies, &ha->reg->mailbox[7]);
+ if (is_qla4022(ha) | is_qla4032(ha))
+ writel(set_rmask(NVR_WRITE_ENABLE),
+ &ha->reg->u1.isp4022.nvram);
+
+ writel(2, &ha->reg->mailbox[6]);
+ readl(&ha->reg->mailbox[6]);
+
+ writel(set_rmask(CSR_BOOT_ENABLE), &ha->reg->ctrl_status);
+ readl(&ha->reg->ctrl_status);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ /* Wait for firmware to come UP. */
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for "
+ "boot firmware to complete...\n",
+ ha->host_no, __func__, FIRMWARE_UP_TOV));
+ max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ);
+ do {
+ uint32_t ctrl_status;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ ctrl_status = readw(&ha->reg->ctrl_status);
+ mbox_status = readw(&ha->reg->mailbox[0]);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ if (ctrl_status & set_rmask(CSR_SCSI_PROCESSOR_INTR))
+ break;
+ if (mbox_status == MBOX_STS_COMMAND_COMPLETE)
+ break;
+
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot "
+ "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n",
+ ha->host_no, __func__, ctrl_status, max_wait_time));
+
+ msleep_interruptible(250);
+ } while (!time_after_eq(jiffies, max_wait_time));
+
+ if (mbox_status == MBOX_STS_COMMAND_COMPLETE) {
+ DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n",
+ ha->host_no, __func__));
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
+ &ha->reg->ctrl_status);
+ readl(&ha->reg->ctrl_status);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ status = QLA_SUCCESS;
+ } else {
+ printk(KERN_INFO "scsi%ld: %s: Boot firmware failed "
+ "- mbox status 0x%x\n", ha->host_no, __func__,
+ mbox_status);
+ status = QLA_ERROR;
+ }
+ return status;
+}
+
+int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a)
+{
+#define QL4_LOCK_DRVR_WAIT 60
+#define QL4_LOCK_DRVR_SLEEP 1
+
+ int drvr_wait = QL4_LOCK_DRVR_WAIT;
+ while (drvr_wait) {
+ if (ql4xxx_lock_drvr(a) == 0) {
+ ssleep(QL4_LOCK_DRVR_SLEEP);
+ if (drvr_wait) {
+ DEBUG2(printk("scsi%ld: %s: Waiting for "
+ "Global Init Semaphore(%d)...\n",
+ a->host_no,
+ __func__, drvr_wait));
+ }
+ drvr_wait -= QL4_LOCK_DRVR_SLEEP;
+ } else {
+ DEBUG2(printk("scsi%ld: %s: Global Init Semaphore "
+ "acquired\n", a->host_no, __func__));
+ return QLA_SUCCESS;
+ }
+ }
+ return QLA_ERROR;
+}
+
+/**
+ * qla4xxx_start_firmware - starts qla4xxx firmware
+ * @ha: Pointer to host adapter structure.
+ *
+ * This routine performs the necessary steps to start the firmware for
+ * the QLA4010 adapter.
+ **/
+int qla4xxx_start_firmware(struct scsi_qla_host *ha)
+{
+ unsigned long flags = 0;
+ uint32_t mbox_status;
+ int status = QLA_ERROR;
+ int soft_reset = 1;
+ int config_chip = 0;
+
+ if (is_qla4022(ha) | is_qla4032(ha))
+ ql4xxx_set_mac_number(ha);
+
+ if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
+ return QLA_ERROR;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha->host_no,
+ __func__, readw(isp_port_ctrl(ha))));
+ DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha->host_no,
+ __func__, readw(isp_port_status(ha))));
+
+ /* Is Hardware already initialized? */
+ if ((readw(isp_port_ctrl(ha)) & 0x8000) != 0) {
+ DEBUG(printk("scsi%ld: %s: Hardware has already been "
+ "initialized\n", ha->host_no, __func__));
+
+ /* Receive firmware boot acknowledgement */
+ mbox_status = readw(&ha->reg->mailbox[0]);
+
+ DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= "
+ "0x%x\n", ha->host_no, __func__, mbox_status));
+
+ /* Is firmware already booted? */
+ if (mbox_status == 0) {
+ /* F/W not running, must be config by net driver */
+ config_chip = 1;
+ soft_reset = 0;
+ } else {
+ writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
+ &ha->reg->ctrl_status);
+ readl(&ha->reg->ctrl_status);
+ writel(set_rmask(CSR_SCSI_COMPLETION_INTR),
+ &ha->reg->ctrl_status);
+ readl(&ha->reg->ctrl_status);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) {
+ DEBUG2(printk("scsi%ld: %s: Get firmware "
+ "state -- state = 0x%x\n",
+ ha->host_no,
+ __func__, ha->firmware_state));
+ /* F/W is running */
+ if (ha->firmware_state &
+ FW_STATE_CONFIG_WAIT) {
+ DEBUG2(printk("scsi%ld: %s: Firmware "
+ "in known state -- "
+ "config and "
+ "boot, state = 0x%x\n",
+ ha->host_no, __func__,
+ ha->firmware_state));
+ config_chip = 1;
+ soft_reset = 0;
+ }
+ } else {
+ DEBUG2(printk("scsi%ld: %s: Firmware in "
+ "unknown state -- resetting,"
+ " state = "
+ "0x%x\n", ha->host_no, __func__,
+ ha->firmware_state));
+ }
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ }
+ } else {
+ DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been "
+ "started - resetting\n", ha->host_no, __func__));
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ",
+ ha->host_no, __func__, soft_reset, config_chip));
+ if (soft_reset) {
+ DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha->host_no,
+ __func__));
+ status = qla4xxx_soft_reset(ha); /* NOTE: acquires drvr
+ * lock again, but ok */
+ if (status == QLA_ERROR) {
+ DEBUG(printk("scsi%d: %s: Soft Reset failed!\n",
+ ha->host_no, __func__));
+ ql4xxx_unlock_drvr(ha);
+ return QLA_ERROR;
+ }
+ config_chip = 1;
+
+ /* Reset clears the semaphore, so acquire again */
+ if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
+ return QLA_ERROR;
+ }
+
+ if (config_chip) {
+ if ((status = qla4xxx_config_nvram(ha)) == QLA_SUCCESS)
+ status = qla4xxx_start_firmware_from_flash(ha);
+ }
+
+ ql4xxx_unlock_drvr(ha);
+ if (status == QLA_SUCCESS) {
+ if (test_and_clear_bit(AF_GET_CRASH_RECORD, &ha->flags))
+ qla4xxx_get_crash_record(ha);
+
+ qla4xxx_init_rings(ha);
+ } else {
+ DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n",
+ ha->host_no, __func__));
+ }
+ return status;
+}
+/**
+ * qla4xxx_free_ddb_index - Free DDBs reserved by firmware
+ * @ha: pointer to adapter structure
+ *
+ * Since firmware is not running in autoconnect mode the DDB indices should
+ * be freed so that when login happens from user space there are free DDB
+ * indices available.
+ **/
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
+{
+ int max_ddbs;
+ int ret;
+ uint32_t idx = 0, next_idx = 0;
+ uint32_t state = 0, conn_err = 0;
+
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
+
+ for (idx = 0; idx < max_ddbs; idx = next_idx) {
+ ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
+ &next_idx, &state, &conn_err,
+ NULL, NULL);
+ if (ret == QLA_ERROR) {
+ next_idx++;
+ continue;
+ }
+ if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+ state == DDB_DS_SESSION_FAILED) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Freeing DDB index = 0x%x\n", idx));
+ ret = qla4xxx_clear_ddb_entry(ha, idx);
+ if (ret == QLA_ERROR)
+ ql4_printk(KERN_ERR, ha,
+ "Unable to clear DDB index = "
+ "0x%x\n", idx);
+ }
+ if (next_idx == 0)
+ break;
+ }
+}
+
+/**
+ * qla4xxx_initialize_adapter - initiailizes hba
+ * @ha: Pointer to host adapter structure.
+ *
+ * This routine parforms all of the steps necessary to initialize the adapter.
+ *
+ **/
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
+{
+ int status = QLA_ERROR;
+
+ ha->eeprom_cmd_data = 0;
+
+ ql4_printk(KERN_INFO, ha, "Configuring PCI space...\n");
+ ha->isp_ops->pci_config(ha);
+
+ ha->isp_ops->disable_intrs(ha);
+
+ /* Initialize the Host adapter request/response queues and firmware */
+ if (ha->isp_ops->start_firmware(ha) == QLA_ERROR)
+ goto exit_init_hba;
+
+ /*
+ * For ISP83XX, mailbox and IOCB interrupts are enabled separately.
+ * Mailbox interrupts must be enabled prior to issuing any mailbox
+ * command in order to prevent the possibility of losing interrupts
+ * while switching from polling to interrupt mode. IOCB interrupts are
+ * enabled via isp_ops->enable_intrs.
+ */
+ if (is_qla8032(ha) || is_qla8042(ha))
+ qla4_83xx_enable_mbox_intrs(ha);
+
+ if (qla4xxx_about_firmware(ha) == QLA_ERROR)
+ goto exit_init_hba;
+
+ if (ha->isp_ops->get_sys_info(ha) == QLA_ERROR)
+ goto exit_init_hba;
+
+ qla4xxx_init_local_data(ha);
+
+ status = qla4xxx_init_firmware(ha);
+ if (status == QLA_ERROR)
+ goto exit_init_hba;
+
+ if (is_reset == RESET_ADAPTER)
+ qla4xxx_build_ddb_list(ha, is_reset);
+
+ set_bit(AF_ONLINE, &ha->flags);
+
+exit_init_hba:
+ DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha->host_no,
+ status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
+ return status;
+}
+
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+ struct ddb_entry *ddb_entry, uint32_t state)
+{
+ uint32_t old_fw_ddb_device_state;
+ int status = QLA_ERROR;
+
+ old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: DDB - old state = 0x%x, new state = 0x%x for "
+ "index [%d]\n", __func__,
+ ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
+
+ ddb_entry->fw_ddb_device_state = state;
+
+ switch (old_fw_ddb_device_state) {
+ case DDB_DS_LOGIN_IN_PROCESS:
+ switch (state) {
+ case DDB_DS_SESSION_ACTIVE:
+ case DDB_DS_DISCOVERY:
+ qla4xxx_update_session_conn_param(ha, ddb_entry);
+ ddb_entry->unblock_sess(ddb_entry->sess);
+ status = QLA_SUCCESS;
+ break;
+ case DDB_DS_SESSION_FAILED:
+ case DDB_DS_NO_CONNECTION_ACTIVE:
+ iscsi_conn_login_event(ddb_entry->conn,
+ ISCSI_CONN_STATE_FREE);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ case DDB_DS_SESSION_ACTIVE:
+ case DDB_DS_DISCOVERY:
+ switch (state) {
+ case DDB_DS_SESSION_FAILED:
+ /*
+ * iscsi_session failure will cause userspace to
+ * stop the connection which in turn would block the
+ * iscsi_session and start relogin
+ */
+ iscsi_session_failure(ddb_entry->sess->dd_data,
+ ISCSI_ERR_CONN_FAILED);
+ status = QLA_SUCCESS;
+ break;
+ case DDB_DS_NO_CONNECTION_ACTIVE:
+ clear_bit(fw_ddb_index, ha->ddb_idx_map);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ case DDB_DS_SESSION_FAILED:
+ switch (state) {
+ case DDB_DS_SESSION_ACTIVE:
+ case DDB_DS_DISCOVERY:
+ ddb_entry->unblock_sess(ddb_entry->sess);
+ qla4xxx_update_session_conn_param(ha, ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ case DDB_DS_SESSION_FAILED:
+ iscsi_session_failure(ddb_entry->sess->dd_data,
+ ISCSI_ERR_CONN_FAILED);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ default:
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
+ __func__));
+ break;
+ }
+ return status;
+}
+
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry)
+{
+ /*
+ * This triggers a relogin. After the relogin_timer
+ * expires, the relogin gets scheduled. We must wait a
+ * minimum amount of time since receiving an 0x8014 AEN
+ * with failed device_state or a logout response before
+ * we can issue another relogin.
+ *
+ * Firmware pads this timeout: (time2wait +1).
+ * Driver retry to login should be longer than F/W.
+ * Otherwise F/W will fail
+ * set_ddb() mbx cmd with 0x4005 since it still
+ * counting down its time2wait.
+ */
+ atomic_set(&ddb_entry->relogin_timer, 0);
+ atomic_set(&ddb_entry->retry_relogin_timer,
+ ddb_entry->default_time2wait + 4);
+
+}
+
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+ struct ddb_entry *ddb_entry, uint32_t state)
+{
+ uint32_t old_fw_ddb_device_state;
+ int status = QLA_ERROR;
+
+ old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: DDB - old state = 0x%x, new state = 0x%x for "
+ "index [%d]\n", __func__,
+ ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
+
+ ddb_entry->fw_ddb_device_state = state;
+
+ switch (old_fw_ddb_device_state) {
+ case DDB_DS_LOGIN_IN_PROCESS:
+ case DDB_DS_NO_CONNECTION_ACTIVE:
+ switch (state) {
+ case DDB_DS_SESSION_ACTIVE:
+ ddb_entry->unblock_sess(ddb_entry->sess);
+ qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ case DDB_DS_SESSION_FAILED:
+ iscsi_block_session(ddb_entry->sess);
+ if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+ qla4xxx_arm_relogin_timer(ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ case DDB_DS_SESSION_ACTIVE:
+ switch (state) {
+ case DDB_DS_SESSION_FAILED:
+ iscsi_block_session(ddb_entry->sess);
+ if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+ qla4xxx_arm_relogin_timer(ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ case DDB_DS_SESSION_FAILED:
+ switch (state) {
+ case DDB_DS_SESSION_ACTIVE:
+ ddb_entry->unblock_sess(ddb_entry->sess);
+ qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ case DDB_DS_SESSION_FAILED:
+ if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+ qla4xxx_arm_relogin_timer(ddb_entry);
+ status = QLA_SUCCESS;
+ break;
+ }
+ break;
+ default:
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
+ __func__));
+ break;
+ }
+ return status;
+}
+
+/**
+ * qla4xxx_process_ddb_changed - process ddb state change
+ * @ha - Pointer to host adapter structure.
+ * @fw_ddb_index - Firmware's device database index
+ * @state - Device state
+ *
+ * This routine processes a Decive Database Changed AEN Event.
+ **/
+int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
+ uint32_t fw_ddb_index,
+ uint32_t state, uint32_t conn_err)
+{
+ struct ddb_entry *ddb_entry;
+ int status = QLA_ERROR;
+
+ /* check for out of range index */
+ if (fw_ddb_index >= MAX_DDB_ENTRIES)
+ goto exit_ddb_event;
+
+ /* Get the corresponging ddb entry */
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
+ /* Device does not currently exist in our database. */
+ if (ddb_entry == NULL) {
+ ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
+ __func__, fw_ddb_index);
+
+ if (state == DDB_DS_NO_CONNECTION_ACTIVE)
+ clear_bit(fw_ddb_index, ha->ddb_idx_map);
+
+ goto exit_ddb_event;
+ }
+
+ ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state);
+
+exit_ddb_event:
+ return status;
+}
+
+/**
+ * qla4xxx_login_flash_ddb - Login to target (DDB)
+ * @cls_session: Pointer to the session to login
+ *
+ * This routine logins to the target.
+ * Issues setddb and conn open mbx
+ **/
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+ struct dev_db_entry *fw_ddb_entry = NULL;
+ dma_addr_t fw_ddb_dma;
+ uint32_t mbx_sts = 0;
+ int ret;
+
+ sess = cls_session->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ if (!test_bit(AF_LINK_UP, &ha->flags))
+ return;
+
+ if (ddb_entry->ddb_type != FLASH_DDB) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Skipping login to non FLASH DB"));
+ goto exit_login;
+ }
+
+ fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+ &fw_ddb_dma);
+ if (fw_ddb_entry == NULL) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+ goto exit_login;
+ }
+
+ if (ddb_entry->fw_ddb_index == INVALID_ENTRY) {
+ ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index);
+ if (ret == QLA_ERROR)
+ goto exit_login;
+
+ ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
+ ha->tot_ddbs++;
+ }
+
+ memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry,
+ sizeof(struct dev_db_entry));
+ ddb_entry->sess->target_id = ddb_entry->fw_ddb_index;
+
+ ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
+ fw_ddb_dma, &mbx_sts);
+ if (ret == QLA_ERROR) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n"));
+ goto exit_login;
+ }
+
+ ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
+ ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
+ if (ret == QLA_ERROR) {
+ ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
+ sess->targetname);
+ goto exit_login;
+ }
+
+exit_login:
+ if (fw_ddb_entry)
+ dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+}
+
Code Review / kvmfornfv.git / blobdiff