#include "ql4_dbg.h"
#include "ql4_inline.h"
-static struct ddb_entry *qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
- uint32_t fw_ddb_index);
-
static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
{
uint32_t value;
}
/**
- * qla4xxx_free_ddb_list - deallocate all ddbs
- * @ha: pointer to host adapter structure.
- *
- * This routine deallocates and removes all devices on the sppecified adapter.
- **/
-void qla4xxx_free_ddb_list(struct scsi_qla_host *ha)
-{
- struct list_head *ptr;
- struct ddb_entry *ddb_entry;
-
- while (!list_empty(&ha->ddb_list)) {
- ptr = ha->ddb_list.next;
- /* Free memory for device entry and remove */
- ddb_entry = list_entry(ptr, struct ddb_entry, list);
- qla4xxx_free_ddb(ha, ddb_entry);
- }
-}
-
-/**
* qla4xxx_init_response_q_entries() - Initializes response queue entries.
* @ha: HA context
*
return qla4xxx_get_firmware_status(ha);
}
-static struct ddb_entry* qla4xxx_get_ddb_entry(struct scsi_qla_host *ha,
- uint32_t fw_ddb_index,
- uint32_t *new_tgt)
-{
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- struct ddb_entry *ddb_entry = NULL;
- int found = 0;
- uint32_t device_state;
-
- *new_tgt = 0;
- /* Make sure the dma buffer is valid */
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (fw_ddb_entry == NULL) {
- DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
- ha->host_no, __func__));
- goto exit_get_ddb_entry_no_free;
- }
-
- if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry,
- fw_ddb_entry_dma, NULL, NULL,
- &device_state, NULL, NULL, NULL) ==
- QLA_ERROR) {
- DEBUG2(printk("scsi%ld: %s: failed get_ddb_entry for "
- "fw_ddb_index %d\n", ha->host_no, __func__,
- fw_ddb_index));
- goto exit_get_ddb_entry;
- }
-
- /* Allocate DDB if not already allocated. */
- DEBUG2(printk("scsi%ld: %s: Looking for ddb[%d]\n", ha->host_no,
- __func__, fw_ddb_index));
- list_for_each_entry(ddb_entry, &ha->ddb_list, list) {
- if ((memcmp(ddb_entry->iscsi_name, fw_ddb_entry->iscsi_name,
- ISCSI_NAME_SIZE) == 0) &&
- (ddb_entry->tpgt ==
- le32_to_cpu(fw_ddb_entry->tgt_portal_grp)) &&
- (memcmp(ddb_entry->isid, fw_ddb_entry->isid,
- sizeof(ddb_entry->isid)) == 0)) {
- found++;
- break;
- }
- }
-
- /* if not found allocate new ddb */
- if (!found) {
- DEBUG2(printk("scsi%ld: %s: ddb[%d] not found - allocating "
- "new ddb\n", ha->host_no, __func__,
- fw_ddb_index));
- *new_tgt = 1;
- ddb_entry = qla4xxx_alloc_ddb(ha, fw_ddb_index);
- }
-
-exit_get_ddb_entry:
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
- fw_ddb_entry_dma);
-
-exit_get_ddb_entry_no_free:
- return ddb_entry;
-}
-
-/**
- * qla4xxx_update_ddb_entry - update driver's internal ddb
- * @ha: pointer to host adapter structure.
- * @ddb_entry: pointer to device database structure to be filled
- * @fw_ddb_index: index of the ddb entry in fw ddb table
- *
- * This routine updates the driver's internal device database entry
- * with information retrieved from the firmware's device database
- * entry for the specified device. The ddb_entry->fw_ddb_index field
- * must be initialized prior to calling this routine
- *
- **/
-static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry,
- uint32_t fw_ddb_index)
-{
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- int status = QLA_ERROR;
- uint32_t conn_err;
-
- if (ddb_entry == NULL) {
- DEBUG2(printk("scsi%ld: %s: ddb_entry is NULL\n", ha->host_no,
- __func__));
-
- goto exit_update_ddb_no_free;
- }
-
- /* Make sure the dma buffer is valid */
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (fw_ddb_entry == NULL) {
- DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
- ha->host_no, __func__));
-
- goto exit_update_ddb_no_free;
- }
-
- if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry,
- fw_ddb_entry_dma, NULL, NULL,
- &ddb_entry->fw_ddb_device_state, &conn_err,
- &ddb_entry->tcp_source_port_num,
- &ddb_entry->connection_id) ==
- QLA_ERROR) {
- DEBUG2(printk("scsi%ld: %s: failed get_ddb_entry for "
- "fw_ddb_index %d\n", ha->host_no, __func__,
- fw_ddb_index));
-
- goto exit_update_ddb;
- }
-
- status = QLA_SUCCESS;
- ddb_entry->options = le16_to_cpu(fw_ddb_entry->options);
- ddb_entry->target_session_id = le16_to_cpu(fw_ddb_entry->tsid);
- ddb_entry->task_mgmt_timeout =
- le16_to_cpu(fw_ddb_entry->def_timeout);
- ddb_entry->CmdSn = 0;
- ddb_entry->exe_throttle = le16_to_cpu(fw_ddb_entry->exec_throttle);
- ddb_entry->default_relogin_timeout =
- le16_to_cpu(fw_ddb_entry->def_timeout);
- ddb_entry->default_time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
-
- /* Update index in case it changed */
- ddb_entry->fw_ddb_index = fw_ddb_index;
- ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry;
-
- ddb_entry->port = le16_to_cpu(fw_ddb_entry->port);
- ddb_entry->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
- memcpy(ddb_entry->isid, fw_ddb_entry->isid, sizeof(ddb_entry->isid));
-
- memcpy(&ddb_entry->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
- min(sizeof(ddb_entry->iscsi_name),
- sizeof(fw_ddb_entry->iscsi_name)));
- memcpy(&ddb_entry->iscsi_alias[0], &fw_ddb_entry->iscsi_alias[0],
- min(sizeof(ddb_entry->iscsi_alias),
- sizeof(fw_ddb_entry->iscsi_alias)));
- memcpy(&ddb_entry->ip_addr[0], &fw_ddb_entry->ip_addr[0],
- min(sizeof(ddb_entry->ip_addr), sizeof(fw_ddb_entry->ip_addr)));
-
- ddb_entry->iscsi_max_burst_len = fw_ddb_entry->iscsi_max_burst_len;
- ddb_entry->iscsi_max_outsnd_r2t = fw_ddb_entry->iscsi_max_outsnd_r2t;
- ddb_entry->iscsi_first_burst_len = fw_ddb_entry->iscsi_first_burst_len;
- ddb_entry->iscsi_max_rcv_data_seg_len =
- fw_ddb_entry->iscsi_max_rcv_data_seg_len;
- ddb_entry->iscsi_max_snd_data_seg_len =
- fw_ddb_entry->iscsi_max_snd_data_seg_len;
-
- if (ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
- memcpy(&ddb_entry->remote_ipv6_addr,
- fw_ddb_entry->ip_addr,
- min(sizeof(ddb_entry->remote_ipv6_addr),
- sizeof(fw_ddb_entry->ip_addr)));
- memcpy(&ddb_entry->link_local_ipv6_addr,
- fw_ddb_entry->link_local_ipv6_addr,
- min(sizeof(ddb_entry->link_local_ipv6_addr),
- sizeof(fw_ddb_entry->link_local_ipv6_addr)));
-
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DDB[%d] State %04x"
- " ConnErr %08x IP %pI6 "
- ":%04d \"%s\"\n",
- __func__, fw_ddb_index,
- ddb_entry->fw_ddb_device_state,
- conn_err, fw_ddb_entry->ip_addr,
- le16_to_cpu(fw_ddb_entry->port),
- fw_ddb_entry->iscsi_name));
- } else
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DDB[%d] State %04x"
- " ConnErr %08x IP %pI4 "
- ":%04d \"%s\"\n",
- __func__, fw_ddb_index,
- ddb_entry->fw_ddb_device_state,
- conn_err, fw_ddb_entry->ip_addr,
- le16_to_cpu(fw_ddb_entry->port),
- fw_ddb_entry->iscsi_name));
-exit_update_ddb:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
-
-exit_update_ddb_no_free:
- return status;
-}
-
-/**
- * qla4xxx_alloc_ddb - allocate device database entry
- * @ha: Pointer to host adapter structure.
- * @fw_ddb_index: Firmware's device database index
- *
- * This routine allocates a ddb_entry, ititializes some values, and
- * inserts it into the ddb list.
- **/
-static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
- uint32_t fw_ddb_index)
-{
- struct ddb_entry *ddb_entry;
-
- DEBUG2(printk("scsi%ld: %s: fw_ddb_index [%d]\n", ha->host_no,
- __func__, fw_ddb_index));
-
- ddb_entry = qla4xxx_alloc_sess(ha);
- if (ddb_entry == NULL) {
- DEBUG2(printk("scsi%ld: %s: Unable to allocate memory "
- "to add fw_ddb_index [%d]\n",
- ha->host_no, __func__, fw_ddb_index));
- return ddb_entry;
- }
-
- ddb_entry->fw_ddb_index = fw_ddb_index;
- atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
- atomic_set(&ddb_entry->relogin_timer, 0);
- atomic_set(&ddb_entry->relogin_retry_count, 0);
- atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
- list_add_tail(&ddb_entry->list, &ha->ddb_list);
- ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry;
- ha->tot_ddbs++;
-
- return ddb_entry;
-}
-
-/**
- * qla4_is_relogin_allowed - Are we allowed to login?
- * @ha: Pointer to host adapter structure.
- * @conn_err: Last connection error associated with the ddb
- *
- * This routine tests the given connection error to determine if
- * we are allowed to login.
- **/
-int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err)
-{
- uint32_t err_code, login_rsp_sts_class;
- int relogin = 1;
-
- err_code = ((conn_err & 0x00ff0000) >> 16);
- login_rsp_sts_class = ((conn_err & 0x0000ff00) >> 8);
- if (err_code == 0x1c || err_code == 0x06) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- ": conn_err=0x%08x, send target completed"
- " or access denied failure\n", conn_err));
- relogin = 0;
- }
- if ((err_code == 0x08) && (login_rsp_sts_class == 0x02)) {
- /* Login Response PDU returned an error.
- Login Response Status in Error Code Detail
- indicates login should not be retried.*/
- DEBUG2(ql4_printk(KERN_INFO, ha,
- ": conn_err=0x%08x, do not retry relogin\n",
- conn_err));
- relogin = 0;
- }
-
- return relogin;
-}
-
-static void qla4xxx_flush_AENS(struct scsi_qla_host *ha)
-{
- unsigned long wtime;
-
- /* Flush the 0x8014 AEN from the firmware as a result of
- * Auto connect. We are basically doing get_firmware_ddb()
- * to determine whether we need to log back in or not.
- * Trying to do a set ddb before we have processed 0x8014
- * will result in another set_ddb() for the same ddb. In other
- * words there will be stale entries in the aen_q.
- */
- wtime = jiffies + (2 * HZ);
- do {
- if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS)
- if (ha->firmware_state & (BIT_2 | BIT_0))
- return;
-
- if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
- qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
-
- msleep(1000);
- } while (!time_after_eq(jiffies, wtime));
-}
-
-/**
- * qla4xxx_build_ddb_list - builds driver ddb list
- * @ha: Pointer to host adapter structure.
- *
- * This routine searches for all valid firmware ddb entries and builds
- * an internal ddb list. Ddbs that are considered valid are those with
- * a device state of SESSION_ACTIVE.
- * A relogin (set_ddb) is issued for DDBs that are not online.
- **/
-static int qla4xxx_build_ddb_list(struct scsi_qla_host *ha)
-{
- int status = QLA_ERROR;
- uint32_t fw_ddb_index = 0;
- uint32_t next_fw_ddb_index = 0;
- uint32_t ddb_state;
- uint32_t conn_err;
- struct ddb_entry *ddb_entry;
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- uint32_t ipv6_device;
- uint32_t new_tgt;
-
- qla4xxx_flush_AENS(ha);
-
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (fw_ddb_entry == NULL) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DMA alloc failed\n",
- __func__));
-
- goto exit_build_ddb_list_no_free;
- }
-
- ql4_printk(KERN_INFO, ha, "Initializing DDBs ...\n");
- for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES;
- fw_ddb_index = next_fw_ddb_index) {
- /* First, let's see if a device exists here */
- if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry,
- 0, NULL, &next_fw_ddb_index,
- &ddb_state, &conn_err,
- NULL, NULL) ==
- QLA_ERROR) {
- DEBUG2(printk("scsi%ld: %s: get_ddb_entry, "
- "fw_ddb_index %d failed", ha->host_no,
- __func__, fw_ddb_index));
- goto exit_build_ddb_list;
- }
-
- DEBUG2(printk("scsi%ld: %s: Getting DDB[%d] ddbstate=0x%x, "
- "next_fw_ddb_index=%d.\n", ha->host_no, __func__,
- fw_ddb_index, ddb_state, next_fw_ddb_index));
-
- /* Issue relogin, if necessary. */
- if (ddb_state == DDB_DS_SESSION_FAILED ||
- ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) {
- /* Try and login to device */
- DEBUG2(printk("scsi%ld: %s: Login to DDB[%d]\n",
- ha->host_no, __func__, fw_ddb_index));
- ipv6_device = le16_to_cpu(fw_ddb_entry->options) &
- DDB_OPT_IPV6_DEVICE;
- if (qla4_is_relogin_allowed(ha, conn_err) &&
- ((!ipv6_device &&
- *((uint32_t *)fw_ddb_entry->ip_addr))
- || ipv6_device)) {
- qla4xxx_set_ddb_entry(ha, fw_ddb_index, 0,
- NULL);
- if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index,
- NULL, 0, NULL,
- &next_fw_ddb_index,
- &ddb_state, &conn_err,
- NULL, NULL)
- == QLA_ERROR) {
- DEBUG2(printk("scsi%ld: %s:"
- "get_ddb_entry %d failed\n",
- ha->host_no,
- __func__, fw_ddb_index));
- goto exit_build_ddb_list;
- }
- }
- }
-
- if (ddb_state != DDB_DS_SESSION_ACTIVE)
- goto next_one;
- /*
- * if fw_ddb with session active state found,
- * add to ddb_list
- */
- DEBUG2(printk("scsi%ld: %s: DDB[%d] added to list\n",
- ha->host_no, __func__, fw_ddb_index));
-
- /* Add DDB to internal our ddb list. */
- ddb_entry = qla4xxx_get_ddb_entry(ha, fw_ddb_index, &new_tgt);
- if (ddb_entry == NULL) {
- DEBUG2(printk("scsi%ld: %s: Unable to allocate memory "
- "for device at fw_ddb_index %d\n",
- ha->host_no, __func__, fw_ddb_index));
- goto exit_build_ddb_list;
- }
- /* Fill in the device structure */
- if (qla4xxx_update_ddb_entry(ha, ddb_entry, fw_ddb_index) ==
- QLA_ERROR) {
- ha->fw_ddb_index_map[fw_ddb_index] =
- (struct ddb_entry *)INVALID_ENTRY;
-
- DEBUG2(printk("scsi%ld: %s: update_ddb_entry failed "
- "for fw_ddb_index %d.\n",
- ha->host_no, __func__, fw_ddb_index));
- goto exit_build_ddb_list;
- }
-
-next_one:
- /* We know we've reached the last device when
- * next_fw_ddb_index is 0 */
- if (next_fw_ddb_index == 0)
- break;
- }
-
- status = QLA_SUCCESS;
- ql4_printk(KERN_INFO, ha, "DDB list done..\n");
-
-exit_build_ddb_list:
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
- fw_ddb_entry_dma);
-
-exit_build_ddb_list_no_free:
- return status;
-}
-
-static int qla4xxx_initialize_ddb_list(struct scsi_qla_host *ha)
-{
- uint16_t fw_ddb_index;
- int status = QLA_SUCCESS;
-
- /* free the ddb list if is not empty */
- if (!list_empty(&ha->ddb_list))
- qla4xxx_free_ddb_list(ha);
-
- for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES; fw_ddb_index++)
- ha->fw_ddb_index_map[fw_ddb_index] =
- (struct ddb_entry *)INVALID_ENTRY;
-
- ha->tot_ddbs = 0;
-
- /* Perform device discovery and build ddb list. */
- status = qla4xxx_build_ddb_list(ha);
-
- return status;
-}
-
-/**
- * qla4xxx_reinitialize_ddb_list - update the driver ddb list
- * @ha: pointer to host adapter structure.
- *
- * This routine obtains device information from the F/W database after
- * firmware or adapter resets. The device table is preserved.
- **/
-int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha)
-{
- int status = QLA_SUCCESS;
- struct ddb_entry *ddb_entry, *detemp;
-
- /* Update the device information for all devices. */
- list_for_each_entry_safe(ddb_entry, detemp, &ha->ddb_list, list) {
- qla4xxx_update_ddb_entry(ha, ddb_entry,
- ddb_entry->fw_ddb_index);
- if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
- atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
- DEBUG2(printk ("scsi%ld: %s: ddb index [%d] marked "
- "ONLINE\n", ha->host_no, __func__,
- ddb_entry->fw_ddb_index));
- iscsi_unblock_session(ddb_entry->sess);
- } else if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
- qla4xxx_mark_device_missing(ddb_entry->sess);
- }
- return status;
-}
-
-/**
- * qla4xxx_relogin_device - re-establish session
- * @ha: Pointer to host adapter structure.
- * @ddb_entry: Pointer to device database entry
- *
- * This routine does a session relogin with the specified device.
- * The ddb entry must be assigned prior to making this call.
- **/
-int qla4xxx_relogin_device(struct scsi_qla_host *ha,
- struct ddb_entry * ddb_entry)
-{
- uint16_t relogin_timer;
-
- relogin_timer = max(ddb_entry->default_relogin_timeout,
- (uint16_t)RELOGIN_TOV);
- atomic_set(&ddb_entry->relogin_timer, relogin_timer);
-
- DEBUG2(printk("scsi%ld: Relogin ddb [%d]. TOV=%d\n", ha->host_no,
- ddb_entry->fw_ddb_index, relogin_timer));
-
- qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 0, NULL);
-
- return QLA_SUCCESS;
-}
-
static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
{
unsigned long flags;
/**
* qla4xxx_initialize_adapter - initiailizes hba
* @ha: Pointer to host adapter structure.
- * @renew_ddb_list: Indicates what to do with the adapter's ddb list
- * after adapter recovery has completed.
- * 0=preserve ddb list, 1=destroy and rebuild ddb list
*
* This routine parforms all of the steps necessary to initialize the adapter.
*
**/
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
- uint8_t renew_ddb_list)
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
{
int status = QLA_ERROR;
- int8_t ip_address[IP_ADDR_LEN] = {0} ;
ha->eeprom_cmd_data = 0;
if (status == QLA_ERROR)
goto exit_init_hba;
- /*
- * FW is waiting to get an IP address from DHCP server: Skip building
- * the ddb_list and wait for DHCP lease acquired aen to come in
- * followed by 0x8014 aen" to trigger the tgt discovery process.
- */
- if (ha->firmware_state & FW_STATE_CONFIGURING_IP)
- goto exit_init_online;
-
- /* Skip device discovery if ip and subnet is zero */
- if (memcmp(ha->ip_config.ip_address, ip_address, IP_ADDR_LEN) == 0 ||
- memcmp(ha->ip_config.subnet_mask, ip_address, IP_ADDR_LEN) == 0)
- goto exit_init_online;
-
- if (renew_ddb_list == PRESERVE_DDB_LIST) {
- /*
- * We want to preserve lun states (i.e. suspended, etc.)
- * for recovery initiated by the driver. So just update
- * the device states for the existing ddb_list.
- */
- qla4xxx_reinitialize_ddb_list(ha);
- } else if (renew_ddb_list == REBUILD_DDB_LIST) {
- /*
- * We want to build the ddb_list from scratch during
- * driver initialization and recovery initiated by the
- * INT_HBA_RESET IOCTL.
- */
- status = qla4xxx_initialize_ddb_list(ha);
- if (status == QLA_ERROR) {
- DEBUG2(printk("%s(%ld) Error occurred during build"
- "ddb list\n", __func__, ha->host_no));
- goto exit_init_hba;
- }
-
- }
- if (!ha->tot_ddbs) {
- DEBUG2(printk("scsi%ld: Failed to initialize devices or none "
- "present in Firmware device database\n",
- ha->host_no));
- }
-
-exit_init_online:
set_bit(AF_ONLINE, &ha->flags);
exit_init_hba:
if (is_qla8022(ha) && (status == QLA_ERROR)) {
}
/**
- * qla4xxx_add_device_dynamically - ddb addition due to an AEN
- * @ha: Pointer to host adapter structure.
- * @fw_ddb_index: Firmware's device database index
- *
- * This routine processes adds a device as a result of an 8014h AEN.
- **/
-static void qla4xxx_add_device_dynamically(struct scsi_qla_host *ha,
- uint32_t fw_ddb_index)
-{
- struct ddb_entry * ddb_entry;
- uint32_t new_tgt;
-
- /* First allocate a device structure */
- ddb_entry = qla4xxx_get_ddb_entry(ha, fw_ddb_index, &new_tgt);
- if (ddb_entry == NULL) {
- DEBUG2(printk(KERN_WARNING
- "scsi%ld: Unable to allocate memory to add "
- "fw_ddb_index %d\n", ha->host_no, fw_ddb_index));
- return;
- }
-
- if (!new_tgt && (ddb_entry->fw_ddb_index != fw_ddb_index)) {
- /* Target has been bound to a new fw_ddb_index */
- qla4xxx_free_ddb(ha, ddb_entry);
- ddb_entry = qla4xxx_alloc_ddb(ha, fw_ddb_index);
- if (ddb_entry == NULL) {
- DEBUG2(printk(KERN_WARNING
- "scsi%ld: Unable to allocate memory"
- " to add fw_ddb_index %d\n",
- ha->host_no, fw_ddb_index));
- return;
- }
- }
- if (qla4xxx_update_ddb_entry(ha, ddb_entry, fw_ddb_index) ==
- QLA_ERROR) {
- ha->fw_ddb_index_map[fw_ddb_index] =
- (struct ddb_entry *)INVALID_ENTRY;
- DEBUG2(printk(KERN_WARNING
- "scsi%ld: failed to add new device at index "
- "[%d]\n Unable to retrieve fw ddb entry\n",
- ha->host_no, fw_ddb_index));
- qla4xxx_free_ddb(ha, ddb_entry);
- return;
- }
-
- if (qla4xxx_add_sess(ddb_entry)) {
- DEBUG2(printk(KERN_WARNING
- "scsi%ld: failed to add new device at index "
- "[%d]\n Unable to add connection and session\n",
- ha->host_no, fw_ddb_index));
- qla4xxx_free_ddb(ha, ddb_entry);
- }
-}
-
-/**
* qla4xxx_process_ddb_changed - process ddb state change
* @ha - Pointer to host adapter structure.
* @fw_ddb_index - Firmware's device database index
/*
* iSCSI template entry points
*/
-static int qla4xxx_tgt_dscvr(struct Scsi_Host *shost,
- enum iscsi_tgt_dscvr type, uint32_t enable,
- struct sockaddr *dst_addr);
static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
enum iscsi_param param, char *buf);
static int qla4xxx_host_get_param(struct Scsi_Host *shost,
static int qla4xxx_slave_alloc(struct scsi_device *device);
static int qla4xxx_slave_configure(struct scsi_device *device);
static void qla4xxx_slave_destroy(struct scsi_device *sdev);
-static void qla4xxx_scan_start(struct Scsi_Host *shost);
static mode_t ql4_attr_is_visible(int param_type, int param);
static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
CAP_DATADGST | CAP_LOGIN_OFFLOAD |
CAP_MULTI_R2T,
- .tgt_dscvr = qla4xxx_tgt_dscvr,
.attr_is_visible = ql4_attr_is_visible,
.create_session = qla4xxx_session_create,
.destroy_session = qla4xxx_session_destroy,
}
-static int qla4xxx_tgt_dscvr(struct Scsi_Host *shost,
- enum iscsi_tgt_dscvr type, uint32_t enable,
- struct sockaddr *dst_addr)
-{
- struct scsi_qla_host *ha;
- struct sockaddr_in *addr;
- struct sockaddr_in6 *addr6;
- int ret = 0;
-
- ha = (struct scsi_qla_host *) to_qla_host(shost);
-
- switch (type) {
- case ISCSI_TGT_DSCVR_SEND_TARGETS:
- if (dst_addr->sa_family == AF_INET) {
- addr = (struct sockaddr_in *)dst_addr;
- if (qla4xxx_send_tgts(ha, (char *)&addr->sin_addr,
- addr->sin_port) != QLA_SUCCESS)
- ret = -EIO;
- } else if (dst_addr->sa_family == AF_INET6) {
- /*
- * TODO: fix qla4xxx_send_tgts
- */
- addr6 = (struct sockaddr_in6 *)dst_addr;
- if (qla4xxx_send_tgts(ha, (char *)&addr6->sin6_addr,
- addr6->sin6_port) != QLA_SUCCESS)
- ret = -EIO;
- } else
- ret = -ENOSYS;
- break;
- default:
- ret = -ENOSYS;
- }
- return ret;
-}
-
static struct iscsi_cls_session *
qla4xxx_session_create(struct iscsi_endpoint *ep,
uint16_t cmds_max, uint16_t qdepth,
iscsi_session_teardown(cls_sess);
}
-void qla4xxx_destroy_sess(struct ddb_entry *ddb_entry)
-{
- if (!ddb_entry->sess)
- return;
-
- if (ddb_entry->conn) {
- atomic_set(&ddb_entry->state, DDB_STATE_DEAD);
- iscsi_remove_session(ddb_entry->sess);
- }
- iscsi_free_session(ddb_entry->sess);
-}
-
static struct iscsi_cls_conn *
qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
{
struct scsi_qla_host *ha;
struct dev_db_entry *fw_ddb_entry;
dma_addr_t fw_ddb_entry_dma;
- uint32_t fw_ddb_device_state;
uint32_t mbx_sts = 0;
int ret = 0;
int status = QLA_SUCCESS;
status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
if (status == QLA_ERROR) {
- ql4_printk(KERN_ERR, ha, "%s: Login failed: %s %s:%d\n",
- __func__, ddb_entry->iscsi_name,
- ddb_entry->ip_addr, ddb_entry->port);
+ ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
+ sess->targetname);
ret = -EINVAL;
goto exit_conn_start;
}
min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
}
-int qla4xxx_add_sess(struct ddb_entry *ddb_entry)
-{
- int err;
-
- ddb_entry->sess->recovery_tmo = ql4xsess_recovery_tmo;
-
- err = iscsi_add_session(ddb_entry->sess, ddb_entry->fw_ddb_index);
- if (err) {
- DEBUG2(printk(KERN_ERR "Could not add session.\n"));
- return err;
- }
-
- ddb_entry->conn = iscsi_create_conn(ddb_entry->sess, 0, 0);
- if (!ddb_entry->conn) {
- iscsi_remove_session(ddb_entry->sess);
- DEBUG2(printk(KERN_ERR "Could not add connection.\n"));
- return -ENOMEM;
- }
-
- /* finally ready to go */
- iscsi_unblock_session(ddb_entry->sess);
- return 0;
-}
-
-struct ddb_entry *qla4xxx_alloc_sess(struct scsi_qla_host *ha)
-{
- struct ddb_entry *ddb_entry;
- struct iscsi_cls_session *sess;
-
- sess = iscsi_alloc_session(ha->host, &qla4xxx_iscsi_transport,
- sizeof(struct ddb_entry));
- if (!sess)
- return NULL;
-
- ddb_entry = sess->dd_data;
- memset(ddb_entry, 0, sizeof(*ddb_entry));
- ddb_entry->ha = ha;
- ddb_entry->sess = sess;
- return ddb_entry;
-}
-
-static void qla4xxx_scan_start(struct Scsi_Host *shost)
-{
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct ddb_entry *ddb_entry, *ddbtemp;
-
- /* finish setup of sessions that were already setup in firmware */
- list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) {
- if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE)
- qla4xxx_add_sess(ddb_entry);
- }
-}
-
/*
* Timer routines
*/
/* NOTE: AF_ONLINE flag set upon successful completion of
* qla4xxx_initialize_adapter */
- status = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST);
+ status = qla4xxx_initialize_adapter(ha);
}
/* Retry failed adapter initialization, if necessary
qla4xxx_config_dma_addressing(ha);
/* Initialize lists and spinlocks. */
- INIT_LIST_HEAD(&ha->ddb_list);
INIT_LIST_HEAD(&ha->free_srb_q);
mutex_init(&ha->mbox_sem);
* firmware
* NOTE: interrupts enabled upon successful completion
*/
- status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST);
+ status = qla4xxx_initialize_adapter(ha);
while ((!test_bit(AF_ONLINE, &ha->flags)) &&
init_retry_count++ < MAX_INIT_RETRIES) {
if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
continue;
- status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST);
+ status = qla4xxx_initialize_adapter(ha);
}
if (!test_bit(AF_ONLINE, &ha->flags)) {
if (!is_qla8022(ha))
qla4xxx_prevent_other_port_reinit(ha);
- /* remove devs from iscsi_sessions to scsi_devices */
- qla4xxx_free_ddb_list(ha);
-
/* destroy iface from sysfs */
qla4xxx_destroy_ifaces(ha);
qla4_8xxx_idc_unlock(ha);
clear_bit(AF_FW_RECOVERY, &ha->flags);
- rval = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST);
+ rval = qla4xxx_initialize_adapter(ha);
qla4_8xxx_idc_lock(ha);
if (rval != QLA_SUCCESS) {
if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
QLA82XX_DEV_READY)) {
clear_bit(AF_FW_RECOVERY, &ha->flags);
- rval = qla4xxx_initialize_adapter(ha,
- PRESERVE_DDB_LIST);
+ rval = qla4xxx_initialize_adapter(ha);
if (rval == QLA_SUCCESS) {
ret = qla4xxx_request_irqs(ha);
if (ret) {
projects / profile / ivi / kernel-adaptation-intel-automotive.git / commitdiff