* 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)
+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_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
MAX_DEV_DB_ENTRIES;
for (idx = 0; idx < max_ddbs; idx = next_idx) {
}
}
-
/**
* 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 qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
{
int status = QLA_ERROR;
if (status == QLA_ERROR)
goto exit_init_hba;
- qla4xxx_free_ddb_index(ha);
+ if (is_reset == RESET_ADAPTER)
+ qla4xxx_build_ddb_list(ha, is_reset);
set_bit(AF_ONLINE, &ha->flags);
exit_init_hba:
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)
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+ struct ddb_entry *ddb_entry, uint32_t state)
{
- 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)
- 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;
- }
-
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 "
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);
+ ddb_entry->unblock_sess(ddb_entry->sess);
qla4xxx_update_session_conn_param(ha, ddb_entry);
status = QLA_SUCCESS;
break;
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);
+ ddb_entry->unblock_sess(ddb_entry->sess);
qla4xxx_update_session_conn_param(ha, ddb_entry);
status = QLA_SUCCESS;
break;
__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);
+}
+
#include <linux/slab.h>
#include <linux/blkdev.h>
#include <linux/iscsi_boot_sysfs.h>
+#include <linux/inet.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
/*
* Module parameter information and variables
*/
+int ql4xdisablesysfsboot = 1;
+module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ql4xdisablesysfsboot,
+ "Set to disable exporting boot targets to sysfs\n"
+ " 0 - Export boot targets\n"
+ " 1 - Do not export boot targets (Default)");
+
int ql4xdontresethba = 0;
module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xdontresethba,
module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
MODULE_PARM_DESC(ql4xsess_recovery_tmo,
"Target Session Recovery Timeout.\n"
- " Default: 30 sec.");
+ " Default: 120 sec.");
static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
/*
qla_ep = ep->dd_data;
ha = to_qla_host(qla_ep->host);
- if (adapter_up(ha))
+ if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
ret = 1;
return ret;
}
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
+{
+ uint32_t mbx_sts = 0;
+ uint16_t tmp_ddb_index;
+ int ret;
+
+get_ddb_index:
+ tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
+
+ if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Free DDB index not available\n"));
+ ret = QLA_ERROR;
+ goto exit_get_ddb_index;
+ }
+
+ if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
+ goto get_ddb_index;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Found a free DDB index at %d\n", tmp_ddb_index));
+ ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
+ if (ret == QLA_ERROR) {
+ if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
+ ql4_printk(KERN_INFO, ha,
+ "DDB index = %d not available trying next\n",
+ tmp_ddb_index);
+ goto get_ddb_index;
+ }
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Free FW DDB not available\n"));
+ }
+
+ *ddb_index = tmp_ddb_index;
+
+exit_get_ddb_index:
+ return ret;
+}
+
+static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry,
+ char *existing_ipaddr,
+ char *user_ipaddr)
+{
+ uint8_t dst_ipaddr[IPv6_ADDR_LEN];
+ char formatted_ipaddr[DDB_IPADDR_LEN];
+ int status = QLA_SUCCESS, ret = 0;
+
+ if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
+ ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+ '\0', NULL);
+ if (ret == 0) {
+ status = QLA_ERROR;
+ goto out_match;
+ }
+ ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
+ } else {
+ ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+ '\0', NULL);
+ if (ret == 0) {
+ status = QLA_ERROR;
+ goto out_match;
+ }
+ ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
+ }
+
+ if (strcmp(existing_ipaddr, formatted_ipaddr))
+ status = QLA_ERROR;
+
+out_match:
+ return status;
+}
+
+static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
+ struct iscsi_cls_conn *cls_conn)
+{
+ int idx = 0, max_ddbs, rval;
+ struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
+ struct iscsi_session *sess, *existing_sess;
+ struct iscsi_conn *conn, *existing_conn;
+ struct ddb_entry *ddb_entry;
+
+ sess = cls_sess->dd_data;
+ conn = cls_conn->dd_data;
+
+ if (sess->targetname == NULL ||
+ conn->persistent_address == NULL ||
+ conn->persistent_port == 0)
+ return QLA_ERROR;
+
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
+
+ for (idx = 0; idx < max_ddbs; idx++) {
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+ if (ddb_entry == NULL)
+ continue;
+
+ if (ddb_entry->ddb_type != FLASH_DDB)
+ continue;
+
+ existing_sess = ddb_entry->sess->dd_data;
+ existing_conn = ddb_entry->conn->dd_data;
+
+ if (existing_sess->targetname == NULL ||
+ existing_conn->persistent_address == NULL ||
+ existing_conn->persistent_port == 0)
+ continue;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "IQN = %s User IQN = %s\n",
+ existing_sess->targetname,
+ sess->targetname));
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "IP = %s User IP = %s\n",
+ existing_conn->persistent_address,
+ conn->persistent_address));
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Port = %d User Port = %d\n",
+ existing_conn->persistent_port,
+ conn->persistent_port));
+
+ if (strcmp(existing_sess->targetname, sess->targetname))
+ continue;
+ rval = qla4xxx_match_ipaddress(ha, ddb_entry,
+ existing_conn->persistent_address,
+ conn->persistent_address);
+ if (rval == QLA_ERROR)
+ continue;
+ if (existing_conn->persistent_port != conn->persistent_port)
+ continue;
+ break;
+ }
+
+ if (idx == max_ddbs)
+ return QLA_ERROR;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Match found in fwdb sessions\n"));
+ return QLA_SUCCESS;
+}
+
static struct iscsi_cls_session *
qla4xxx_session_create(struct iscsi_endpoint *ep,
uint16_t cmds_max, uint16_t qdepth,
struct scsi_qla_host *ha;
struct qla_endpoint *qla_ep;
struct ddb_entry *ddb_entry;
- uint32_t ddb_index;
- uint32_t mbx_sts = 0;
+ uint16_t ddb_index;
struct iscsi_session *sess;
struct sockaddr *dst_addr;
int ret;
dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
ha = to_qla_host(qla_ep->host);
-get_ddb_index:
- ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
-
- if (ddb_index >= MAX_DDB_ENTRIES) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Free DDB index not available\n"));
+ ret = qla4xxx_get_ddb_index(ha, &ddb_index);
+ if (ret == QLA_ERROR)
return NULL;
- }
-
- if (test_and_set_bit(ddb_index, ha->ddb_idx_map))
- goto get_ddb_index;
-
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Found a free DDB index at %d\n", ddb_index));
- ret = qla4xxx_req_ddb_entry(ha, ddb_index, &mbx_sts);
- if (ret == QLA_ERROR) {
- if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
- ql4_printk(KERN_INFO, ha,
- "DDB index = %d not available trying next\n",
- ddb_index);
- goto get_ddb_index;
- }
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Free FW DDB not available\n"));
- return NULL;
- }
cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
cmds_max, sizeof(struct ddb_entry),
ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
ddb_entry->ha = ha;
ddb_entry->sess = cls_sess;
+ ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
+ ddb_entry->ddb_change = qla4xxx_ddb_change;
cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
ha->tot_ddbs++;
struct iscsi_session *sess;
struct ddb_entry *ddb_entry;
struct scsi_qla_host *ha;
- struct dev_db_entry *fw_ddb_entry;
+ struct dev_db_entry *fw_ddb_entry = NULL;
dma_addr_t fw_ddb_entry_dma;
uint32_t mbx_sts = 0;
int ret = 0;
ddb_entry = sess->dd_data;
ha = ddb_entry->ha;
+ /* Check if we have matching FW DDB, if yes then do not
+ * login to this target. This could cause target to logout previous
+ * connection
+ */
+ ret = qla4xxx_match_fwdb_session(ha, cls_conn);
+ if (ret == QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha,
+ "Session already exist in FW.\n");
+ ret = -EEXIST;
+ goto exit_conn_start;
+ }
+
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
&fw_ddb_entry_dma, GFP_KERNEL);
if (!fw_ddb_entry) {
ql4_printk(KERN_ERR, ha,
"%s: Unable to allocate dma buffer\n", __func__);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto exit_conn_start;
}
ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
if (mbx_sts)
if (ddb_entry->fw_ddb_device_state ==
DDB_DS_SESSION_ACTIVE) {
- iscsi_conn_start(ddb_entry->conn);
- iscsi_conn_login_event(ddb_entry->conn,
- ISCSI_CONN_STATE_LOGGED_IN);
+ ddb_entry->unblock_sess(ddb_entry->sess);
goto exit_set_param;
}
ret = 0;
exit_conn_start:
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
+ if (fw_ddb_entry)
+ dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ fw_ddb_entry, fw_ddb_entry_dma);
return ret;
}
return -ENOSYS;
}
+static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry,
+ struct iscsi_cls_session *cls_sess,
+ struct iscsi_cls_conn *cls_conn)
+{
+ int buflen = 0;
+ struct iscsi_session *sess;
+ struct iscsi_conn *conn;
+ char ip_addr[DDB_IPADDR_LEN];
+ uint16_t options = 0;
+
+ sess = cls_sess->dd_data;
+ conn = cls_conn->dd_data;
+
+ conn->max_recv_dlength = BYTE_UNITS *
+ le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
+
+ conn->max_xmit_dlength = BYTE_UNITS *
+ le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
+
+ sess->initial_r2t_en =
+ (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+ sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
+
+ sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+ sess->first_burst = BYTE_UNITS *
+ le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
+
+ sess->max_burst = BYTE_UNITS *
+ le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
+
+ sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+
+ sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
+
+ conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
+
+ sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+
+ options = le16_to_cpu(fw_ddb_entry->options);
+ if (options & DDB_OPT_IPV6_DEVICE)
+ sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+ else
+ sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+
+ iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
+ (char *)fw_ddb_entry->iscsi_name, buflen);
+ iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
+ (char *)ha->name_string, buflen);
+ iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
+ (char *)ip_addr, buflen);
+}
+
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry)
+{
+ struct iscsi_cls_session *cls_sess;
+ struct iscsi_cls_conn *cls_conn;
+ uint32_t ddb_state;
+ dma_addr_t fw_ddb_entry_dma;
+ struct dev_db_entry *fw_ddb_entry;
+
+ fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ &fw_ddb_entry_dma, GFP_KERNEL);
+ if (!fw_ddb_entry) {
+ ql4_printk(KERN_ERR, ha,
+ "%s: Unable to allocate dma buffer\n", __func__);
+ goto exit_session_conn_fwddb_param;
+ }
+
+ if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
+ fw_ddb_entry_dma, NULL, NULL, &ddb_state,
+ NULL, NULL, NULL) == QLA_ERROR) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+ "get_ddb_entry for fw_ddb_index %d\n",
+ ha->host_no, __func__,
+ ddb_entry->fw_ddb_index));
+ goto exit_session_conn_fwddb_param;
+ }
+
+ cls_sess = ddb_entry->sess;
+
+ cls_conn = ddb_entry->conn;
+
+ /* Update params */
+ qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
+
+exit_session_conn_fwddb_param:
+ if (fw_ddb_entry)
+ dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ fw_ddb_entry, fw_ddb_entry_dma);
+}
+
void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry)
{
if (!fw_ddb_entry) {
ql4_printk(KERN_ERR, ha,
"%s: Unable to allocate dma buffer\n", __func__);
- return;
+ goto exit_session_conn_param;
}
if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
"get_ddb_entry for fw_ddb_index %d\n",
ha->host_no, __func__,
ddb_entry->fw_ddb_index));
- return;
+ goto exit_session_conn_param;
}
cls_sess = ddb_entry->sess;
cls_conn = ddb_entry->conn;
conn = cls_conn->dd_data;
+ /* Update timers after login */
+ 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 params */
conn->max_recv_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
memcpy(sess->initiatorname, ha->name_string,
min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
+
+exit_session_conn_param:
+ if (fw_ddb_entry)
+ dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ fw_ddb_entry, fw_ddb_entry_dma);
}
/*
vfree(ha->chap_list);
ha->chap_list = NULL;
+ if (ha->fw_ddb_dma_pool)
+ dma_pool_destroy(ha->fw_ddb_dma_pool);
+
/* release io space registers */
if (is_qla8022(ha)) {
if (ha->nx_pcibase)
goto mem_alloc_error_exit;
}
+ ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
+ DDB_DMA_BLOCK_SIZE, 8, 0);
+
+ if (ha->fw_ddb_dma_pool == NULL) {
+ ql4_printk(KERN_WARNING, ha,
+ "%s: fw_ddb_dma_pool allocation failed..\n",
+ __func__);
+ goto mem_alloc_error_exit;
+ }
+
return QLA_SUCCESS;
mem_alloc_error_exit:
}
}
+void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ if (!(ddb_entry->ddb_type == FLASH_DDB))
+ return;
+
+ if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
+ !iscsi_is_session_online(cls_sess)) {
+ if (atomic_read(&ddb_entry->retry_relogin_timer) !=
+ INVALID_ENTRY) {
+ if (atomic_read(&ddb_entry->retry_relogin_timer) ==
+ 0) {
+ atomic_set(&ddb_entry->retry_relogin_timer,
+ INVALID_ENTRY);
+ set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+ set_bit(DF_RELOGIN, &ddb_entry->flags);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: index [%d] login device\n",
+ __func__, ddb_entry->fw_ddb_index));
+ } else
+ atomic_dec(&ddb_entry->retry_relogin_timer);
+ }
+ }
+
+ /* Wait for relogin to timeout */
+ if (atomic_read(&ddb_entry->relogin_timer) &&
+ (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
+ /*
+ * If the relogin times out and the device is
+ * still NOT ONLINE then try and relogin again.
+ */
+ if (!iscsi_is_session_online(cls_sess)) {
+ /* Reset retry relogin timer */
+ atomic_inc(&ddb_entry->relogin_retry_count);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: index[%d] relogin timed out-retrying"
+ " relogin (%d), retry (%d)\n", __func__,
+ ddb_entry->fw_ddb_index,
+ atomic_read(&ddb_entry->relogin_retry_count),
+ ddb_entry->default_time2wait + 4));
+ set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+ atomic_set(&ddb_entry->retry_relogin_timer,
+ ddb_entry->default_time2wait + 4);
+ }
+ }
+}
+
/**
* qla4xxx_timer - checks every second for work to do.
* @ha: Pointer to host adapter structure.
int start_dpc = 0;
uint16_t w;
+ iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
+
/* If we are in the middle of AER/EEH processing
* skip any processing and reschedule the timer
*/
sess = cls_session->dd_data;
ddb_entry = sess->dd_data;
ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
- iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+
+ if (ddb_entry->ddb_type == FLASH_DDB)
+ iscsi_block_session(ddb_entry->sess);
+ else
+ iscsi_session_failure(cls_session->dd_data,
+ ISCSI_ERR_CONN_FAILED);
}
/**
/* NOTE: AF_ONLINE flag set upon successful completion of
* qla4xxx_initialize_adapter */
- status = qla4xxx_initialize_adapter(ha);
+ status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
}
/* Retry failed adapter initialization, if necessary
iscsi_unblock_session(ddb_entry->sess);
} else {
/* Trigger relogin */
- iscsi_session_failure(cls_session->dd_data,
- ISCSI_ERR_CONN_FAILED);
+ if (ddb_entry->ddb_type == FLASH_DDB) {
+ if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+ qla4xxx_arm_relogin_timer(ddb_entry);
+ } else
+ iscsi_session_failure(cls_session->dd_data,
+ ISCSI_ERR_CONN_FAILED);
}
}
}
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_session->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+ " unblock session\n", ha->host_no, __func__,
+ ddb_entry->fw_ddb_index);
+
+ iscsi_unblock_session(ddb_entry->sess);
+
+ /* Start scan target */
+ if (test_bit(AF_ONLINE, &ha->flags)) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+ " start scan\n", ha->host_no, __func__,
+ ddb_entry->fw_ddb_index);
+ scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
+ }
+ return QLA_SUCCESS;
+}
+
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_session->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+ " unblock user space session\n", ha->host_no, __func__,
+ ddb_entry->fw_ddb_index);
+ iscsi_conn_start(ddb_entry->conn);
+ iscsi_conn_login_event(ddb_entry->conn,
+ ISCSI_CONN_STATE_LOGGED_IN);
+
+ return QLA_SUCCESS;
+}
+
static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
{
iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
}
+static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+ uint16_t relogin_timer;
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ relogin_timer = max(ddb_entry->default_relogin_timeout,
+ (uint16_t)RELOGIN_TOV);
+ atomic_set(&ddb_entry->relogin_timer, relogin_timer);
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
+ ddb_entry->fw_ddb_index, relogin_timer));
+
+ qla4xxx_login_flash_ddb(cls_sess);
+}
+
+static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
+{
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+
+ sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ if (!(ddb_entry->ddb_type == FLASH_DDB))
+ return;
+
+ if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
+ !iscsi_is_session_online(cls_sess)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "relogin issued\n"));
+ qla4xxx_relogin_flash_ddb(cls_sess);
+ }
+}
+
void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
{
if (ha->dpc_thread)
if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
qla4xxx_get_dhcp_ip_address(ha);
+ /* ---- relogin device? --- */
+ if (adapter_up(ha) &&
+ test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
+ iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
+ }
+
/* ---- link change? --- */
if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
if (!test_bit(AF_LINK_UP, &ha->flags)) {
* fatal error recovery. Therefore, the driver must
* manually relogin to devices when recovering from
* connection failures, logouts, expired KATO, etc. */
-
- qla4xxx_relogin_all_devices(ha);
+ if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
+ qla4xxx_build_ddb_list(ha, ha->is_reset);
+ iscsi_host_for_each_session(ha->host,
+ qla4xxx_login_flash_ddb);
+ } else
+ qla4xxx_relogin_all_devices(ha);
}
}
}
" target ID %d\n", __func__, ddb_index[0],
ddb_index[1]));
+ ha->pri_ddb_idx = ddb_index[0];
+ ha->sec_ddb_idx = ddb_index[1];
+
exit_boot_info_free:
dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
exit_boot_info:
return ret;
}
+ if (ql4xdisablesysfsboot)
+ return QLA_SUCCESS;
+
if (ddb_index[0] == 0xffff)
goto sec_target;
struct iscsi_boot_kobj *boot_kobj;
if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
- return 0;
+ return QLA_ERROR;
+
+ if (ql4xdisablesysfsboot) {
+ ql4_printk(KERN_INFO, ha,
+ "%s: syfsboot disabled - driver will trigger login"
+ "and publish session for discovery .\n", __func__);
+ return QLA_SUCCESS;
+ }
+
ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
if (!ha->boot_kset)
if (!boot_kobj)
goto put_host;
- return 0;
+ return QLA_SUCCESS;
put_host:
scsi_host_put(ha->host);
exit_chap_list:
dma_free_coherent(&ha->pdev->dev, chap_size,
chap_flash_data, chap_dma);
- return;
}
+static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
+ struct ql4_tuple_ddb *tddb)
+{
+ struct scsi_qla_host *ha;
+ struct iscsi_cls_session *cls_sess;
+ struct iscsi_cls_conn *cls_conn;
+ struct iscsi_session *sess;
+ struct iscsi_conn *conn;
+
+ DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+ ha = ddb_entry->ha;
+ cls_sess = ddb_entry->sess;
+ sess = cls_sess->dd_data;
+ cls_conn = ddb_entry->conn;
+ conn = cls_conn->dd_data;
+
+ tddb->tpgt = sess->tpgt;
+ tddb->port = conn->persistent_port;
+ strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
+ strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
+}
+
+static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
+ struct ql4_tuple_ddb *tddb)
+{
+ uint16_t options = 0;
+
+ tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+ memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
+ min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
+
+ options = le16_to_cpu(fw_ddb_entry->options);
+ if (options & DDB_OPT_IPV6_DEVICE)
+ sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+ else
+ sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+
+ tddb->port = le16_to_cpu(fw_ddb_entry->port);
+}
+
+static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
+ struct ql4_tuple_ddb *old_tddb,
+ struct ql4_tuple_ddb *new_tddb)
+{
+ if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
+ return QLA_ERROR;
+
+ if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
+ return QLA_ERROR;
+
+ if (old_tddb->port != new_tddb->port)
+ return QLA_ERROR;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
+ old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
+ old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
+ new_tddb->ip_addr, new_tddb->iscsi_name));
+
+ return QLA_SUCCESS;
+}
+
+static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry)
+{
+ struct ddb_entry *ddb_entry;
+ struct ql4_tuple_ddb *fw_tddb = NULL;
+ struct ql4_tuple_ddb *tmp_tddb = NULL;
+ int idx;
+ int ret = QLA_ERROR;
+
+ fw_tddb = vzalloc(sizeof(*fw_tddb));
+ if (!fw_tddb) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Memory Allocation failed.\n"));
+ ret = QLA_SUCCESS;
+ goto exit_check;
+ }
+
+ tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+ if (!tmp_tddb) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Memory Allocation failed.\n"));
+ ret = QLA_SUCCESS;
+ goto exit_check;
+ }
+
+ qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+
+ for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+ if (ddb_entry == NULL)
+ continue;
+
+ qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
+ if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+ ret = QLA_SUCCESS; /* found */
+ goto exit_check;
+ }
+ }
+
+exit_check:
+ if (fw_tddb)
+ vfree(fw_tddb);
+ if (tmp_tddb)
+ vfree(tmp_tddb);
+ return ret;
+}
+
+static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
+ struct list_head *list_nt,
+ struct dev_db_entry *fw_ddb_entry)
+{
+ struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
+ struct ql4_tuple_ddb *fw_tddb = NULL;
+ struct ql4_tuple_ddb *tmp_tddb = NULL;
+ int ret = QLA_ERROR;
+
+ fw_tddb = vzalloc(sizeof(*fw_tddb));
+ if (!fw_tddb) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Memory Allocation failed.\n"));
+ ret = QLA_SUCCESS;
+ goto exit_check;
+ }
+
+ tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+ if (!tmp_tddb) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha,
+ "Memory Allocation failed.\n"));
+ ret = QLA_SUCCESS;
+ goto exit_check;
+ }
+
+ qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+
+ list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+ qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb);
+ if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+ ret = QLA_SUCCESS; /* found */
+ goto exit_check;
+ }
+ }
+
+exit_check:
+ if (fw_tddb)
+ vfree(fw_tddb);
+ if (tmp_tddb)
+ vfree(tmp_tddb);
+ return ret;
+}
+
+static void qla4xxx_free_nt_list(struct list_head *list_nt)
+{
+ struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
+
+ /* Free up the normaltargets list */
+ list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+ list_del_init(&nt_ddb_idx->list);
+ vfree(nt_ddb_idx);
+ }
+
+}
+
+static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry)
+{
+ struct iscsi_endpoint *ep;
+ struct sockaddr_in *addr;
+ struct sockaddr_in6 *addr6;
+ struct sockaddr *dst_addr;
+ char *ip;
+
+ /* TODO: need to destroy on unload iscsi_endpoint*/
+ dst_addr = vmalloc(sizeof(*dst_addr));
+ if (!dst_addr)
+ return NULL;
+
+ if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
+ dst_addr->sa_family = AF_INET6;
+ addr6 = (struct sockaddr_in6 *)dst_addr;
+ ip = (char *)&addr6->sin6_addr;
+ memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
+ addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
+
+ } else {
+ dst_addr->sa_family = AF_INET;
+ addr = (struct sockaddr_in *)dst_addr;
+ ip = (char *)&addr->sin_addr;
+ memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
+ addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
+ }
+
+ ep = qla4xxx_ep_connect(ha->host, dst_addr, 0);
+ vfree(dst_addr);
+ return ep;
+}
+
+static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
+{
+ if (ql4xdisablesysfsboot)
+ return QLA_SUCCESS;
+ if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
+ return QLA_ERROR;
+ return QLA_SUCCESS;
+}
+
+static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry)
+{
+ ddb_entry->ddb_type = FLASH_DDB;
+ ddb_entry->fw_ddb_index = INVALID_ENTRY;
+ ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
+ ddb_entry->ha = ha;
+ ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
+ ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
+
+ atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
+ atomic_set(&ddb_entry->relogin_timer, 0);
+ atomic_set(&ddb_entry->relogin_retry_count, 0);
+
+ ddb_entry->default_relogin_timeout =
+ le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
+ ddb_entry->default_time2wait =
+ le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
+}
+
+static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
+{
+ uint32_t idx = 0;
+ uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
+ uint32_t sts[MBOX_REG_COUNT];
+ uint32_t ip_state;
+ unsigned long wtime;
+ int ret;
+
+ wtime = jiffies + (HZ * IP_CONFIG_TOV);
+ do {
+ for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
+ if (ip_idx[idx] == -1)
+ continue;
+
+ ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
+
+ if (ret == QLA_ERROR) {
+ ip_idx[idx] = -1;
+ continue;
+ }
+
+ ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Waiting for IP state for idx = %d, state = 0x%x\n",
+ ip_idx[idx], ip_state));
+ if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
+ ip_state == IP_ADDRSTATE_INVALID ||
+ ip_state == IP_ADDRSTATE_PREFERRED ||
+ ip_state == IP_ADDRSTATE_DEPRICATED ||
+ ip_state == IP_ADDRSTATE_DISABLING)
+ ip_idx[idx] = -1;
+
+ }
+
+ /* Break if all IP states checked */
+ if ((ip_idx[0] == -1) &&
+ (ip_idx[1] == -1) &&
+ (ip_idx[2] == -1) &&
+ (ip_idx[3] == -1))
+ break;
+ schedule_timeout_uninterruptible(HZ);
+ } while (time_after(wtime, jiffies));
+}
+
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
+{
+ int max_ddbs;
+ int ret;
+ uint32_t idx = 0, next_idx = 0;
+ uint32_t state = 0, conn_err = 0;
+ uint16_t conn_id;
+ struct dev_db_entry *fw_ddb_entry;
+ struct ddb_entry *ddb_entry = NULL;
+ dma_addr_t fw_ddb_dma;
+ struct iscsi_cls_session *cls_sess;
+ struct iscsi_session *sess;
+ struct iscsi_cls_conn *cls_conn;
+ struct iscsi_endpoint *ep;
+ uint16_t cmds_max = 32, tmo = 0;
+ uint32_t initial_cmdsn = 0;
+ struct list_head list_st, list_nt; /* List of sendtargets */
+ struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
+ int fw_idx_size;
+ unsigned long wtime;
+ struct qla_ddb_index *nt_ddb_idx;
+
+ if (!test_bit(AF_LINK_UP, &ha->flags)) {
+ set_bit(AF_BUILD_DDB_LIST, &ha->flags);
+ ha->is_reset = is_reset;
+ return;
+ }
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
+
+ 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_ddb_list;
+ }
+
+ INIT_LIST_HEAD(&list_st);
+ INIT_LIST_HEAD(&list_nt);
+ fw_idx_size = sizeof(struct qla_ddb_index);
+
+ for (idx = 0; idx < max_ddbs; idx = next_idx) {
+ ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+ fw_ddb_dma, NULL,
+ &next_idx, &state, &conn_err,
+ NULL, &conn_id);
+ if (ret == QLA_ERROR)
+ break;
+
+ if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+ goto continue_next_st;
+
+ /* Check if ST, add to the list_st */
+ if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
+ goto continue_next_st;
+
+ st_ddb_idx = vzalloc(fw_idx_size);
+ if (!st_ddb_idx)
+ break;
+
+ st_ddb_idx->fw_ddb_idx = idx;
+
+ list_add_tail(&st_ddb_idx->list, &list_st);
+continue_next_st:
+ if (next_idx == 0)
+ break;
+ }
+
+ /* Before issuing conn open mbox, ensure all IPs states are configured
+ * Note, conn open fails if IPs are not configured
+ */
+ qla4xxx_wait_for_ip_configuration(ha);
+
+ /* Go thru the STs and fire the sendtargets by issuing conn open mbx */
+ list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+ qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
+ }
+
+ /* Wait to ensure all sendtargets are done for min 12 sec wait */
+ tmo = ((ha->def_timeout < LOGIN_TOV) ? LOGIN_TOV : ha->def_timeout);
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Default time to wait for build ddb %d\n", tmo));
+
+ wtime = jiffies + (HZ * tmo);
+ do {
+ list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st,
+ list) {
+ ret = qla4xxx_get_fwddb_entry(ha,
+ st_ddb_idx->fw_ddb_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) {
+ list_del_init(&st_ddb_idx->list);
+ vfree(st_ddb_idx);
+ }
+ }
+ schedule_timeout_uninterruptible(HZ / 10);
+ } while (time_after(wtime, jiffies));
+
+ /* Free up the sendtargets list */
+ list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+ list_del_init(&st_ddb_idx->list);
+ vfree(st_ddb_idx);
+ }
+
+ for (idx = 0; idx < max_ddbs; idx = next_idx) {
+ ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+ fw_ddb_dma, NULL,
+ &next_idx, &state, &conn_err,
+ NULL, &conn_id);
+ if (ret == QLA_ERROR)
+ break;
+
+ if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+ goto continue_next_nt;
+
+ /* Check if NT, then add to list it */
+ if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
+ goto continue_next_nt;
+
+ if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+ state == DDB_DS_SESSION_FAILED) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Adding DDB to session = 0x%x\n",
+ idx));
+ if (is_reset == INIT_ADAPTER) {
+ nt_ddb_idx = vmalloc(fw_idx_size);
+ if (!nt_ddb_idx)
+ break;
+
+ nt_ddb_idx->fw_ddb_idx = idx;
+
+ memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
+ sizeof(struct dev_db_entry));
+
+ if (qla4xxx_is_flash_ddb_exists(ha, &list_nt,
+ fw_ddb_entry) == QLA_SUCCESS) {
+ vfree(nt_ddb_idx);
+ goto continue_next_nt;
+ }
+ list_add_tail(&nt_ddb_idx->list, &list_nt);
+ } else if (is_reset == RESET_ADAPTER) {
+ if (qla4xxx_is_session_exists(ha,
+ fw_ddb_entry) == QLA_SUCCESS)
+ goto continue_next_nt;
+ }
+
+ /* Create session object, with INVALID_ENTRY,
+ * the targer_id would get set when we issue the login
+ */
+ cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport,
+ ha->host, cmds_max,
+ sizeof(struct ddb_entry),
+ sizeof(struct ql4_task_data),
+ initial_cmdsn, INVALID_ENTRY);
+ if (!cls_sess)
+ goto exit_ddb_list;
+
+ /*
+ * iscsi_session_setup increments the driver reference
+ * count which wouldn't let the driver to be unloaded.
+ * so calling module_put function to decrement the
+ * reference count.
+ **/
+ module_put(qla4xxx_iscsi_transport.owner);
+ sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
+ ddb_entry->sess = cls_sess;
+
+ cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
+ memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
+ sizeof(struct dev_db_entry));
+
+ qla4xxx_setup_flash_ddb_entry(ha, ddb_entry);
+
+ cls_conn = iscsi_conn_setup(cls_sess,
+ sizeof(struct qla_conn),
+ conn_id);
+ if (!cls_conn)
+ goto exit_ddb_list;
+
+ ddb_entry->conn = cls_conn;
+
+ /* Setup ep, for displaying attributes in sysfs */
+ ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
+ if (ep) {
+ ep->conn = cls_conn;
+ cls_conn->ep = ep;
+ } else {
+ DEBUG2(ql4_printk(KERN_ERR, ha,
+ "Unable to get ep\n"));
+ }
+
+ /* Update sess/conn params */
+ qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess,
+ cls_conn);
+
+ if (is_reset == RESET_ADAPTER) {
+ iscsi_block_session(cls_sess);
+ /* Use the relogin path to discover new devices
+ * by short-circuting the logic of setting
+ * timer to relogin - instead set the flags
+ * to initiate login right away.
+ */
+ set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+ set_bit(DF_RELOGIN, &ddb_entry->flags);
+ }
+ }
+continue_next_nt:
+ if (next_idx == 0)
+ break;
+ }
+exit_ddb_list:
+ qla4xxx_free_nt_list(&list_nt);
+ if (fw_ddb_entry)
+ dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+
+ qla4xxx_free_ddb_index(ha);
+}
+
+
/**
* qla4xxx_probe_adapter - callback function to probe HBA
* @pdev: pointer to pci_dev structure
* firmware
* NOTE: interrupts enabled upon successful completion
*/
- status = qla4xxx_initialize_adapter(ha);
+ status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
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);
+ status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
}
if (!test_bit(AF_ONLINE, &ha->flags)) {
ha->host_no, ha->firmware_version[0], ha->firmware_version[1],
ha->patch_number, ha->build_number);
- qla4xxx_create_chap_list(ha);
-
if (qla4xxx_setup_boot_info(ha))
ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
__func__);
+ /* Perform the build ddb list and login to each */
+ qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
+ iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
+
+ qla4xxx_create_chap_list(ha);
+
qla4xxx_create_ifaces(ha);
return 0;
}
}
+static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
+{
+ struct ddb_entry *ddb_entry;
+ int options;
+ int idx;
+
+ for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+ if ((ddb_entry != NULL) &&
+ (ddb_entry->ddb_type == FLASH_DDB)) {
+
+ options = LOGOUT_OPTION_CLOSE_SESSION;
+ if (qla4xxx_session_logout_ddb(ha, ddb_entry, options)
+ == QLA_ERROR)
+ ql4_printk(KERN_ERR, ha, "%s: Logout failed\n",
+ __func__);
+
+ qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
+ /*
+ * we have decremented the reference count of the driver
+ * when we setup the session to have the driver unload
+ * to be seamless without actually destroying the
+ * session
+ **/
+ try_module_get(qla4xxx_iscsi_transport.owner);
+ iscsi_destroy_endpoint(ddb_entry->conn->ep);
+ qla4xxx_free_ddb(ha, ddb_entry);
+ iscsi_session_teardown(ddb_entry->sess);
+ }
+ }
+}
/**
* qla4xxx_remove_adapter - calback function to remove adapter.
* @pci_dev: PCI device pointer
/* destroy iface from sysfs */
qla4xxx_destroy_ifaces(ha);
- if (ha->boot_kset)
+ if ((!ql4xdisablesysfsboot) && ha->boot_kset)
iscsi_boot_destroy_kset(ha->boot_kset);
+ qla4xxx_destroy_fw_ddb_session(ha);
+
scsi_remove_host(ha->host);
qla4xxx_free_adapter(ha);
qla4_8xxx_idc_unlock(ha);
clear_bit(AF_FW_RECOVERY, &ha->flags);
- rval = qla4xxx_initialize_adapter(ha);
+ rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
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);
+ rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
if (rval == QLA_SUCCESS) {
ret = qla4xxx_request_irqs(ha);
if (ret) {
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff