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path: root/drivers/scsi/qla4xxx/ql4_init.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_init.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_init.c852
1 files changed, 158 insertions, 694 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 42ed5db2d53..3075fbaef55 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -11,9 +11,6 @@
#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;
@@ -48,41 +45,15 @@ static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
* @ha: pointer to host adapter structure.
* @ddb_entry: pointer to device database entry
*
- * This routine deallocates and unlinks the specified ddb_entry from the
- * adapter's
+ * This routine marks a DDB entry INVALID
**/
void qla4xxx_free_ddb(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry)
{
- /* Remove device entry from list */
- list_del_init(&ddb_entry->list);
-
/* 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--;
-
- /* Free memory and scsi-ml struct for device entry */
- qla4xxx_destroy_sess(ddb_entry);
-}
-
-/**
- * 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);
- }
}
/**
@@ -236,38 +207,44 @@ qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) {
ipv4_wait = 1;
}
- if (((ha->ipv6_addl_options &
- IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) &&
- ((ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING) ||
- (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING) ||
- (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING))) {
+ 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->ipv6_link_local_state ==
- IP_ADDRSTATE_PREFERRED) ||
- (ha->ipv6_addr0_state == IP_ADDRSTATE_PREFERRED) ||
- (ha->ipv6_addr1_state == IP_ADDRSTATE_PREFERRED)) {
+ 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->ipv6_default_router_addr, ip_address,
- IPv6_ADDR_LEN) == 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->ipv6_default_router_state ==
- IPV6_RTRSTATE_MANUAL) &&
- (ha->ipv6_link_local_state ==
- IP_ADDRSTATE_TENTATIVE) &&
- (memcmp(&ha->ipv6_link_local_addr,
- &ha->ipv6_default_router_addr, 4) == 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__));
@@ -279,11 +256,14 @@ qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
"IP(s) \"", ha->host_no, __func__));
if (ipv4_wait)
DEBUG2(printk("IPv4 "));
- if (ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING)
+ if (ha->ip_config.ipv6_link_local_state ==
+ IP_ADDRSTATE_ACQUIRING)
DEBUG2(printk("IPv6LinkLocal "));
- if (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING)
+ if (ha->ip_config.ipv6_addr0_state ==
+ IP_ADDRSTATE_ACQUIRING)
DEBUG2(printk("IPv6Addr0 "));
- if (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING)
+ if (ha->ip_config.ipv6_addr1_state ==
+ IP_ADDRSTATE_ACQUIRING)
DEBUG2(printk("IPv6Addr1 "));
DEBUG2(printk("\"\n"));
}
@@ -466,486 +446,19 @@ static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
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)
+static void qla4xxx_set_model_info(struct scsi_qla_host *ha)
{
- 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;
- }
+ uint16_t board_id_string[8];
+ int i;
+ int size = sizeof(ha->nvram->isp4022.boardIdStr);
+ int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2;
- 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;
+ for (i = 0; i < (size / 2) ; i++) {
+ board_id_string[i] = rd_nvram_word(ha, offset);
+ offset += 1;
}
- 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);
- 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(ha, ddb_entry);
- }
- 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);
-
- return QLA_SUCCESS;
+ memcpy(ha->model_name, board_id_string, size);
}
static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
@@ -983,6 +496,12 @@ static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
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));
@@ -1246,23 +765,56 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha)
}
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.
+ **/
+static 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_PRST_DEV_DB_ENTRIES :
+ 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)
+ 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.
- * @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;
@@ -1288,47 +840,8 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
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_address, ip_address, IP_ADDR_LEN) == 0 ||
- memcmp(ha->subnet_mask, ip_address, IP_ADDR_LEN) == 0)
- goto exit_init_online;
+ qla4xxx_free_ddb_index(ha);
- 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)) {
@@ -1343,61 +856,6 @@ exit_init_hba:
}
/**
- * 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
@@ -1409,88 +867,94 @@ 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;
+ uint32_t old_fw_ddb_device_state;
+ int status = QLA_ERROR;
/* check for out of range index */
if (fw_ddb_index >= MAX_DDB_ENTRIES)
- return QLA_ERROR;
+ 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) {
- if (state == DDB_DS_SESSION_ACTIVE)
- qla4xxx_add_device_dynamically(ha, fw_ddb_index);
- return QLA_SUCCESS;
+ 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;
}
- /* Device already exists in our database. */
- DEBUG2(printk("scsi%ld: %s DDB - old state= 0x%x, new state=0x%x for "
- "index [%d]\n", ha->host_no, __func__,
- ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
+ 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;
- /* Device is back online. */
- if ((ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) &&
- (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)) {
- atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
- atomic_set(&ddb_entry->relogin_retry_count, 0);
- atomic_set(&ddb_entry->relogin_timer, 0);
- clear_bit(DF_RELOGIN, &ddb_entry->flags);
- iscsi_unblock_session(ddb_entry->sess);
- iscsi_session_event(ddb_entry->sess,
- ISCSI_KEVENT_CREATE_SESSION);
- /*
- * Change the lun state to READY in case the lun TIMEOUT before
- * the device came back.
- */
- } else if (ddb_entry->fw_ddb_device_state != DDB_DS_SESSION_ACTIVE) {
- /* Device went away, mark device missing */
- if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s mark missing "
- "ddb_entry 0x%p sess 0x%p conn 0x%p\n",
- __func__, ddb_entry,
- ddb_entry->sess, ddb_entry->conn));
- qla4xxx_mark_device_missing(ha, ddb_entry);
- }
- /*
- * Relogin if device state changed to a not active state.
- * However, do not relogin if a RELOGIN is in process, or
- * we are not allowed to relogin to this DDB.
- */
- if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_FAILED &&
- !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
- qla4_is_relogin_allowed(ha, conn_err)) {
+ switch (old_fw_ddb_device_state) {
+ case DDB_DS_LOGIN_IN_PROCESS:
+ switch (state) {
+ case DDB_DS_SESSION_ACTIVE:
+ case DDB_DS_DISCOVERY:
+ iscsi_conn_start(ddb_entry->conn);
+ iscsi_conn_login_event(ddb_entry->conn,
+ ISCSI_CONN_STATE_LOGGED_IN);
+ qla4xxx_update_session_conn_param(ha, ddb_entry);
+ 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:
+ switch (state) {
+ case DDB_DS_SESSION_FAILED:
/*
- * 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.
+ * iscsi_session failure will cause userspace to
+ * stop the connection which in turn would block the
+ * iscsi_session and start 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);
- DEBUG(printk("scsi%ld: %s: ddb[%d] "
- "initiate relogin after %d seconds\n",
- ha->host_no, __func__,
- ddb_entry->fw_ddb_index,
- ddb_entry->default_time2wait + 4));
- } else {
- DEBUG(printk("scsi%ld: %s: ddb[%d] "
- "relogin not initiated, state = %d, "
- "ddb_entry->flags = 0x%lx\n",
- ha->host_no, __func__,
- ddb_entry->fw_ddb_index,
- ddb_entry->fw_ddb_device_state,
- ddb_entry->flags));
+ 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:
+ iscsi_conn_start(ddb_entry->conn);
+ iscsi_conn_login_event(ddb_entry->conn,
+ ISCSI_CONN_STATE_LOGGED_IN);
+ 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 QLA_SUCCESS;
+
+exit_ddb_event:
+ return status;
}