summaryrefslogtreecommitdiff
path: root/drivers/scsi/qla4xxx/ql4_os.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_os.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c1078
1 files changed, 863 insertions, 215 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index ec393a00c038..ee47820c30a6 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -32,46 +32,47 @@ static struct kmem_cache *srb_cachep;
/*
* Module parameter information and variables
*/
-int ql4xdisablesysfsboot = 1;
+static 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)");
+ " Set to disable exporting boot targets to sysfs.\n"
+ "\t\t 0 - Export boot targets\n"
+ "\t\t 1 - Do not export boot targets (Default)");
-int ql4xdontresethba = 0;
+int ql4xdontresethba;
module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xdontresethba,
- "Don't reset the HBA for driver recovery \n"
- " 0 - It will reset HBA (Default)\n"
- " 1 - It will NOT reset HBA");
+ " Don't reset the HBA for driver recovery.\n"
+ "\t\t 0 - It will reset HBA (Default)\n"
+ "\t\t 1 - It will NOT reset HBA");
-int ql4xextended_error_logging = 0; /* 0 = off, 1 = log errors */
+int ql4xextended_error_logging;
module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xextended_error_logging,
- "Option to enable extended error logging, "
- "Default is 0 - no logging, 1 - debug logging");
+ " Option to enable extended error logging.\n"
+ "\t\t 0 - no logging (Default)\n"
+ "\t\t 2 - debug logging");
int ql4xenablemsix = 1;
module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql4xenablemsix,
- "Set to enable MSI or MSI-X interrupt mechanism.\n"
- " 0 = enable INTx interrupt mechanism.\n"
- " 1 = enable MSI-X interrupt mechanism (Default).\n"
- " 2 = enable MSI interrupt mechanism.");
+ " Set to enable MSI or MSI-X interrupt mechanism.\n"
+ "\t\t 0 = enable INTx interrupt mechanism.\n"
+ "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n"
+ "\t\t 2 = enable MSI interrupt mechanism.");
#define QL4_DEF_QDEPTH 32
static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql4xmaxqdepth,
- "Maximum queue depth to report for target devices.\n"
- " Default: 32.");
+ " Maximum queue depth to report for target devices.\n"
+ "\t\t Default: 32.");
static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
MODULE_PARM_DESC(ql4xsess_recovery_tmo,
- "Target Session Recovery Timeout.\n"
- " Default: 120 sec.");
+ " Target Session Recovery Timeout.\n"
+ "\t\t Default: 120 sec.");
static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
/*
@@ -82,6 +83,8 @@ static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
/*
* iSCSI template entry points
*/
+static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
+ enum iscsi_param param, char *buf);
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,
@@ -117,6 +120,13 @@ static void qla4xxx_task_cleanup(struct iscsi_task *);
static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
struct iscsi_stats *stats);
+static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
+ uint32_t iface_type, uint32_t payload_size,
+ uint32_t pid, struct sockaddr *dst_addr);
+static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
+ uint32_t *num_entries, char *buf);
+static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
+
/*
* SCSI host template entry points
*/
@@ -178,7 +188,7 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
.destroy_conn = qla4xxx_conn_destroy,
.set_param = iscsi_set_param,
.get_conn_param = qla4xxx_conn_get_param,
- .get_session_param = iscsi_session_get_param,
+ .get_session_param = qla4xxx_session_get_param,
.get_ep_param = qla4xxx_get_ep_param,
.ep_connect = qla4xxx_ep_connect,
.ep_poll = qla4xxx_ep_poll,
@@ -193,10 +203,93 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
.set_iface_param = qla4xxx_iface_set_param,
.get_iface_param = qla4xxx_get_iface_param,
.bsg_request = qla4xxx_bsg_request,
+ .send_ping = qla4xxx_send_ping,
+ .get_chap = qla4xxx_get_chap_list,
+ .delete_chap = qla4xxx_delete_chap,
};
static struct scsi_transport_template *qla4xxx_scsi_transport;
+static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
+ uint32_t iface_type, uint32_t payload_size,
+ uint32_t pid, struct sockaddr *dst_addr)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct sockaddr_in *addr;
+ struct sockaddr_in6 *addr6;
+ uint32_t options = 0;
+ uint8_t ipaddr[IPv6_ADDR_LEN];
+ int rval;
+
+ memset(ipaddr, 0, IPv6_ADDR_LEN);
+ /* IPv4 to IPv4 */
+ if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
+ (dst_addr->sa_family == AF_INET)) {
+ addr = (struct sockaddr_in *)dst_addr;
+ memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
+ "dest: %pI4\n", __func__,
+ &ha->ip_config.ip_address, ipaddr));
+ rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
+ ipaddr);
+ if (rval)
+ rval = -EINVAL;
+ } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
+ (dst_addr->sa_family == AF_INET6)) {
+ /* IPv6 to IPv6 */
+ addr6 = (struct sockaddr_in6 *)dst_addr;
+ memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
+
+ options |= PING_IPV6_PROTOCOL_ENABLE;
+
+ /* Ping using LinkLocal address */
+ if ((iface_num == 0) || (iface_num == 1)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
+ "src: %pI6 dest: %pI6\n", __func__,
+ &ha->ip_config.ipv6_link_local_addr,
+ ipaddr));
+ options |= PING_IPV6_LINKLOCAL_ADDR;
+ rval = qla4xxx_ping_iocb(ha, options, payload_size,
+ pid, ipaddr);
+ } else {
+ ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
+ "not supported\n", __func__, iface_num);
+ rval = -ENOSYS;
+ goto exit_send_ping;
+ }
+
+ /*
+ * If ping using LinkLocal address fails, try ping using
+ * IPv6 address
+ */
+ if (rval != QLA_SUCCESS) {
+ options &= ~PING_IPV6_LINKLOCAL_ADDR;
+ if (iface_num == 0) {
+ options |= PING_IPV6_ADDR0;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
+ "Ping src: %pI6 "
+ "dest: %pI6\n", __func__,
+ &ha->ip_config.ipv6_addr0,
+ ipaddr));
+ } else if (iface_num == 1) {
+ options |= PING_IPV6_ADDR1;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
+ "Ping src: %pI6 "
+ "dest: %pI6\n", __func__,
+ &ha->ip_config.ipv6_addr1,
+ ipaddr));
+ }
+ rval = qla4xxx_ping_iocb(ha, options, payload_size,
+ pid, ipaddr);
+ if (rval)
+ rval = -EINVAL;
+ }
+ } else
+ rval = -ENOSYS;
+exit_send_ping:
+ return rval;
+}
+
static umode_t ql4_attr_is_visible(int param_type, int param)
{
switch (param_type) {
@@ -205,6 +298,8 @@ static umode_t ql4_attr_is_visible(int param_type, int param)
case ISCSI_HOST_PARAM_HWADDRESS:
case ISCSI_HOST_PARAM_IPADDRESS:
case ISCSI_HOST_PARAM_INITIATOR_NAME:
+ case ISCSI_HOST_PARAM_PORT_STATE:
+ case ISCSI_HOST_PARAM_PORT_SPEED:
return S_IRUGO;
default:
return 0;
@@ -224,6 +319,12 @@ static umode_t ql4_attr_is_visible(int param_type, int param)
case ISCSI_PARAM_MAX_RECV_DLENGTH:
case ISCSI_PARAM_MAX_XMIT_DLENGTH:
case ISCSI_PARAM_IFACE_NAME:
+ case ISCSI_PARAM_CHAP_OUT_IDX:
+ case ISCSI_PARAM_CHAP_IN_IDX:
+ case ISCSI_PARAM_USERNAME:
+ case ISCSI_PARAM_PASSWORD:
+ case ISCSI_PARAM_USERNAME_IN:
+ case ISCSI_PARAM_PASSWORD_IN:
return S_IRUGO;
default:
return 0;
@@ -254,6 +355,189 @@ static umode_t ql4_attr_is_visible(int param_type, int param)
return 0;
}
+static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
+ uint32_t *num_entries, char *buf)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct ql4_chap_table *chap_table;
+ struct iscsi_chap_rec *chap_rec;
+ int max_chap_entries = 0;
+ int valid_chap_entries = 0;
+ int ret = 0, i;
+
+ if (is_qla8022(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
+ __func__, *num_entries, chap_tbl_idx);
+
+ if (!buf) {
+ ret = -ENOMEM;
+ goto exit_get_chap_list;
+ }
+
+ chap_rec = (struct iscsi_chap_rec *) buf;
+ mutex_lock(&ha->chap_sem);
+ for (i = chap_tbl_idx; i < max_chap_entries; i++) {
+ chap_table = (struct ql4_chap_table *)ha->chap_list + i;
+ if (chap_table->cookie !=
+ __constant_cpu_to_le16(CHAP_VALID_COOKIE))
+ continue;
+
+ chap_rec->chap_tbl_idx = i;
+ strncpy(chap_rec->username, chap_table->name,
+ ISCSI_CHAP_AUTH_NAME_MAX_LEN);
+ strncpy(chap_rec->password, chap_table->secret,
+ QL4_CHAP_MAX_SECRET_LEN);
+ chap_rec->password_length = chap_table->secret_len;
+
+ if (chap_table->flags & BIT_7) /* local */
+ chap_rec->chap_type = CHAP_TYPE_OUT;
+
+ if (chap_table->flags & BIT_6) /* peer */
+ chap_rec->chap_type = CHAP_TYPE_IN;
+
+ chap_rec++;
+
+ valid_chap_entries++;
+ if (valid_chap_entries == *num_entries)
+ break;
+ else
+ continue;
+ }
+ mutex_unlock(&ha->chap_sem);
+
+exit_get_chap_list:
+ ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
+ __func__, valid_chap_entries);
+ *num_entries = valid_chap_entries;
+ return ret;
+}
+
+static int __qla4xxx_is_chap_active(struct device *dev, void *data)
+{
+ int ret = 0;
+ uint16_t *chap_tbl_idx = (uint16_t *) data;
+ struct iscsi_cls_session *cls_session;
+ struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
+
+ if (!iscsi_is_session_dev(dev))
+ goto exit_is_chap_active;
+
+ cls_session = iscsi_dev_to_session(dev);
+ sess = cls_session->dd_data;
+ ddb_entry = sess->dd_data;
+
+ if (iscsi_session_chkready(cls_session))
+ goto exit_is_chap_active;
+
+ if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
+ ret = 1;
+
+exit_is_chap_active:
+ return ret;
+}
+
+static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
+ uint16_t chap_tbl_idx)
+{
+ int ret = 0;
+
+ ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
+ __qla4xxx_is_chap_active);
+
+ return ret;
+}
+
+static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct ql4_chap_table *chap_table;
+ dma_addr_t chap_dma;
+ int max_chap_entries = 0;
+ uint32_t offset = 0;
+ uint32_t chap_size;
+ int ret = 0;
+
+ chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
+ if (chap_table == NULL)
+ return -ENOMEM;
+
+ memset(chap_table, 0, sizeof(struct ql4_chap_table));
+
+ if (is_qla8022(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ if (chap_tbl_idx > max_chap_entries) {
+ ret = -EINVAL;
+ goto exit_delete_chap;
+ }
+
+ /* Check if chap index is in use.
+ * If chap is in use don't delet chap entry */
+ ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
+ if (ret) {
+ ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
+ "delete from flash\n", chap_tbl_idx);
+ ret = -EBUSY;
+ goto exit_delete_chap;
+ }
+
+ chap_size = sizeof(struct ql4_chap_table);
+ if (is_qla40XX(ha))
+ offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
+ else {
+ offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
+ /* flt_chap_size is CHAP table size for both ports
+ * so divide it by 2 to calculate the offset for second port
+ */
+ if (ha->port_num == 1)
+ offset += (ha->hw.flt_chap_size / 2);
+ offset += (chap_tbl_idx * chap_size);
+ }
+
+ ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
+ if (ret != QLA_SUCCESS) {
+ ret = -EINVAL;
+ goto exit_delete_chap;
+ }
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
+ __le16_to_cpu(chap_table->cookie)));
+
+ if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
+ ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
+ goto exit_delete_chap;
+ }
+
+ chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
+
+ offset = FLASH_CHAP_OFFSET |
+ (chap_tbl_idx * sizeof(struct ql4_chap_table));
+ ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
+ FLASH_OPT_RMW_COMMIT);
+ if (ret == QLA_SUCCESS && ha->chap_list) {
+ mutex_lock(&ha->chap_sem);
+ /* Update ha chap_list cache */
+ memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
+ chap_table, sizeof(struct ql4_chap_table));
+ mutex_unlock(&ha->chap_sem);
+ }
+ if (ret != QLA_SUCCESS)
+ ret = -EINVAL;
+
+exit_delete_chap:
+ dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
+ return ret;
+}
+
static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
enum iscsi_param_type param_type,
int param, char *buf)
@@ -547,6 +831,43 @@ static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
return ret;
}
+static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct iscsi_cls_host *ihost = shost->shost_data;
+ uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
+
+ qla4xxx_get_firmware_state(ha);
+
+ switch (ha->addl_fw_state & 0x0F00) {
+ case FW_ADDSTATE_LINK_SPEED_10MBPS:
+ speed = ISCSI_PORT_SPEED_10MBPS;
+ break;
+ case FW_ADDSTATE_LINK_SPEED_100MBPS:
+ speed = ISCSI_PORT_SPEED_100MBPS;
+ break;
+ case FW_ADDSTATE_LINK_SPEED_1GBPS:
+ speed = ISCSI_PORT_SPEED_1GBPS;
+ break;
+ case FW_ADDSTATE_LINK_SPEED_10GBPS:
+ speed = ISCSI_PORT_SPEED_10GBPS;
+ break;
+ }
+ ihost->port_speed = speed;
+}
+
+static void qla4xxx_set_port_state(struct Scsi_Host *shost)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct iscsi_cls_host *ihost = shost->shost_data;
+ uint32_t state = ISCSI_PORT_STATE_DOWN;
+
+ if (test_bit(AF_LINK_UP, &ha->flags))
+ state = ISCSI_PORT_STATE_UP;
+
+ ihost->port_state = state;
+}
+
static int qla4xxx_host_get_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf)
{
@@ -563,6 +884,14 @@ static int qla4xxx_host_get_param(struct Scsi_Host *shost,
case ISCSI_HOST_PARAM_INITIATOR_NAME:
len = sprintf(buf, "%s\n", ha->name_string);
break;
+ case ISCSI_HOST_PARAM_PORT_STATE:
+ qla4xxx_set_port_state(shost);
+ len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
+ break;
+ case ISCSI_HOST_PARAM_PORT_SPEED:
+ qla4xxx_set_port_speed(shost);
+ len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
+ break;
default:
return -ENOSYS;
}
@@ -967,6 +1296,41 @@ exit_init_fw_cb:
return rval;
}
+static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
+ enum iscsi_param param, char *buf)
+{
+ struct iscsi_session *sess = cls_sess->dd_data;
+ struct ddb_entry *ddb_entry = sess->dd_data;
+ struct scsi_qla_host *ha = ddb_entry->ha;
+ int rval, len;
+ uint16_t idx;
+
+ switch (param) {
+ case ISCSI_PARAM_CHAP_IN_IDX:
+ rval = qla4xxx_get_chap_index(ha, sess->username_in,
+ sess->password_in, BIDI_CHAP,
+ &idx);
+ if (rval)
+ return -EINVAL;
+
+ len = sprintf(buf, "%hu\n", idx);
+ break;
+ case ISCSI_PARAM_CHAP_OUT_IDX:
+ rval = qla4xxx_get_chap_index(ha, sess->username,
+ sess->password, LOCAL_CHAP,
+ &idx);
+ if (rval)
+ return -EINVAL;
+
+ len = sprintf(buf, "%hu\n", idx);
+ break;
+ default:
+ return iscsi_session_get_param(cls_sess, param, buf);
+ }
+
+ return len;
+}
+
static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf)
{
@@ -1505,13 +1869,17 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
{
int buflen = 0;
struct iscsi_session *sess;
+ struct ddb_entry *ddb_entry;
struct iscsi_conn *conn;
char ip_addr[DDB_IPADDR_LEN];
uint16_t options = 0;
sess = cls_sess->dd_data;
+ ddb_entry = sess->dd_data;
conn = cls_conn->dd_data;
+ ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
+
conn->max_recv_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
@@ -1551,6 +1919,8 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
(char *)ha->name_string, buflen);
iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
(char *)ip_addr, buflen);
+ iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS,
+ (char *)fw_ddb_entry->iscsi_alias, buflen);
}
void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
@@ -1630,11 +2000,14 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
/* Update timers after login */
ddb_entry->default_relogin_timeout =
- le16_to_cpu(fw_ddb_entry->def_timeout);
+ (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
+ (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
+ le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
ddb_entry->default_time2wait =
le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
/* Update params */
+ ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
conn->max_recv_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
@@ -1663,6 +2036,9 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
memcpy(sess->initiatorname, ha->name_string,
min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
+ iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS,
+ (char *)fw_ddb_entry->iscsi_alias, 0);
+
exit_session_conn_param:
if (fw_ddb_entry)
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
@@ -1970,6 +2346,42 @@ mem_alloc_error_exit:
}
/**
+ * qla4_8xxx_check_temp - Check the ISP82XX temperature.
+ * @ha: adapter block pointer.
+ *
+ * Note: The caller should not hold the idc lock.
+ **/
+static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
+{
+ uint32_t temp, temp_state, temp_val;
+ int status = QLA_SUCCESS;
+
+ temp = qla4_8xxx_rd_32(ha, CRB_TEMP_STATE);
+
+ temp_state = qla82xx_get_temp_state(temp);
+ temp_val = qla82xx_get_temp_val(temp);
+
+ if (temp_state == QLA82XX_TEMP_PANIC) {
+ ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
+ " exceeds maximum allowed. Hardware has been shut"
+ " down.\n", temp_val);
+ status = QLA_ERROR;
+ } else if (temp_state == QLA82XX_TEMP_WARN) {
+ if (ha->temperature == QLA82XX_TEMP_NORMAL)
+ ql4_printk(KERN_WARNING, ha, "Device temperature %d"
+ " degrees C exceeds operating range."
+ " Immediate action needed.\n", temp_val);
+ } else {
+ if (ha->temperature == QLA82XX_TEMP_WARN)
+ ql4_printk(KERN_INFO, ha, "Device temperature is"
+ " now %d degrees C in normal range.\n",
+ temp_val);
+ }
+ ha->temperature = temp_state;
+ return status;
+}
+
+/**
* qla4_8xxx_check_fw_alive - Check firmware health
* @ha: Pointer to host adapter structure.
*
@@ -2040,7 +2452,16 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
- if (dev_state == QLA82XX_DEV_NEED_RESET &&
+
+ if (qla4_8xxx_check_temp(ha)) {
+ ql4_printk(KERN_INFO, ha, "disabling pause"
+ " transmit on port 0 & 1.\n");
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
+ CRB_NIU_XG_PAUSE_CTL_P0 |
+ CRB_NIU_XG_PAUSE_CTL_P1);
+ set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
+ qla4xxx_wake_dpc(ha);
+ } else if (dev_state == QLA82XX_DEV_NEED_RESET &&
!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
if (!ql4xdontresethba) {
ql4_printk(KERN_INFO, ha, "%s: HW State: "
@@ -2057,9 +2478,21 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
} else {
/* Check firmware health */
if (qla4_8xxx_check_fw_alive(ha)) {
+ ql4_printk(KERN_INFO, ha, "disabling pause"
+ " transmit on port 0 & 1.\n");
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
+ CRB_NIU_XG_PAUSE_CTL_P0 |
+ CRB_NIU_XG_PAUSE_CTL_P1);
halt_status = qla4_8xxx_rd_32(ha,
QLA82XX_PEG_HALT_STATUS1);
+ if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
+ ql4_printk(KERN_ERR, ha, "%s:"
+ " Firmware aborted with"
+ " error code 0x00006700."
+ " Device is being reset\n",
+ __func__);
+
/* Since we cannot change dev_state in interrupt
* context, set appropriate DPC flag then wakeup
* DPC */
@@ -2078,7 +2511,7 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
}
}
-void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
{
struct iscsi_session *sess;
struct ddb_entry *ddb_entry;
@@ -2170,6 +2603,10 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
}
}
+ /* Process any deferred work. */
+ if (!list_empty(&ha->work_list))
+ start_dpc++;
+
/* Wakeup the dpc routine for this adapter, if needed. */
if (start_dpc ||
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
@@ -2735,6 +3172,109 @@ void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
queue_work(ha->dpc_thread, &ha->dpc_work);
}
+static struct qla4_work_evt *
+qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
+ enum qla4_work_type type)
+{
+ struct qla4_work_evt *e;
+ uint32_t size = sizeof(struct qla4_work_evt) + data_size;
+
+ e = kzalloc(size, GFP_ATOMIC);
+ if (!e)
+ return NULL;
+
+ INIT_LIST_HEAD(&e->list);
+ e->type = type;
+ return e;
+}
+
+static void qla4xxx_post_work(struct scsi_qla_host *ha,
+ struct qla4_work_evt *e)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ha->work_lock, flags);
+ list_add_tail(&e->list, &ha->work_list);
+ spin_unlock_irqrestore(&ha->work_lock, flags);
+ qla4xxx_wake_dpc(ha);
+}
+
+int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
+ enum iscsi_host_event_code aen_code,
+ uint32_t data_size, uint8_t *data)
+{
+ struct qla4_work_evt *e;
+
+ e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
+ if (!e)
+ return QLA_ERROR;
+
+ e->u.aen.code = aen_code;
+ e->u.aen.data_size = data_size;
+ memcpy(e->u.aen.data, data, data_size);
+
+ qla4xxx_post_work(ha, e);
+
+ return QLA_SUCCESS;
+}
+
+int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
+ uint32_t status, uint32_t pid,
+ uint32_t data_size, uint8_t *data)
+{
+ struct qla4_work_evt *e;
+
+ e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
+ if (!e)
+ return QLA_ERROR;
+
+ e->u.ping.status = status;
+ e->u.ping.pid = pid;
+ e->u.ping.data_size = data_size;
+ memcpy(e->u.ping.data, data, data_size);
+
+ qla4xxx_post_work(ha, e);
+
+ return QLA_SUCCESS;
+}
+
+static void qla4xxx_do_work(struct scsi_qla_host *ha)
+{
+ struct qla4_work_evt *e, *tmp;
+ unsigned long flags;
+ LIST_HEAD(work);
+
+ spin_lock_irqsave(&ha->work_lock, flags);
+ list_splice_init(&ha->work_list, &work);
+ spin_unlock_irqrestore(&ha->work_lock, flags);
+
+ list_for_each_entry_safe(e, tmp, &work, list) {
+ list_del_init(&e->list);
+
+ switch (e->type) {
+ case QLA4_EVENT_AEN:
+ iscsi_post_host_event(ha->host_no,
+ &qla4xxx_iscsi_transport,
+ e->u.aen.code,
+ e->u.aen.data_size,
+ e->u.aen.data);
+ break;
+ case QLA4_EVENT_PING_STATUS:
+ iscsi_ping_comp_event(ha->host_no,
+ &qla4xxx_iscsi_transport,
+ e->u.ping.status,
+ e->u.ping.pid,
+ e->u.ping.data_size,
+ e->u.ping.data);
+ break;
+ default:
+ ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
+ "supported", e->type);
+ }
+ kfree(e);
+ }
+}
+
/**
* qla4xxx_do_dpc - dpc routine
* @data: in our case pointer to adapter structure
@@ -2766,6 +3306,9 @@ static void qla4xxx_do_dpc(struct work_struct *work)
return;
}
+ /* post events to application */
+ qla4xxx_do_work(ha);
+
if (is_qla8022(ha)) {
if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
qla4_8xxx_idc_lock(ha);
@@ -2902,7 +3445,6 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
{
int status = 0;
- uint8_t revision_id;
unsigned long mem_base, mem_len, db_base, db_len;
struct pci_dev *pdev = ha->pdev;
@@ -2914,10 +3456,9 @@ int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
goto iospace_error_exit;
}
- pci_read_config_byte(pdev, PCI_REVISION_ID, &revision_id);
DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
- __func__, revision_id));
- ha->revision_id = revision_id;
+ __func__, pdev->revision));
+ ha->revision_id = pdev->revision;
/* remap phys address */
mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
@@ -3281,9 +3822,8 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
/* Check Boot Mode */
val = rd_nvram_byte(ha, addr);
if (!(val & 0x07)) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Failed Boot options : 0x%x\n",
- __func__, val));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
+ "options : 0x%x\n", __func__, val));
ret = QLA_ERROR;
goto exit_boot_info;
}
@@ -3322,15 +3862,14 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
if (qla4xxx_get_flash(ha, buf_dma, addr,
13 * sizeof(uint8_t)) != QLA_SUCCESS) {
DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
- "failed\n", ha->host_no, __func__));
+ " failed\n", ha->host_no, __func__));
ret = QLA_ERROR;
goto exit_boot_info_free;
}
/* Check Boot Mode */
if (!(buf[1] & 0x07)) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Failed: Boot options : 0x%x\n",
- buf[1]));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
+ " : 0x%x\n", buf[1]));
ret = QLA_ERROR;
goto exit_boot_info_free;
}
@@ -3351,12 +3890,11 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
" 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:
+ ha->pri_ddb_idx = ddb_index[0];
+ ha->sec_ddb_idx = ddb_index[1];
return ret;
}
@@ -3437,8 +3975,8 @@ static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
fw_ddb_entry_dma, ddb_index)) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Flash DDB read Failed\n", __func__));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
+ "index [%d]\n", __func__, ddb_index));
ret = QLA_ERROR;
goto exit_boot_target;
}
@@ -3516,8 +4054,8 @@ static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
ddb_index[1] = 0xffff;
ret = get_fw_boot_info(ha, ddb_index);
if (ret != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Failed to set boot info.\n", __func__));
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: No boot target configured.\n", __func__));
return ret;
}
@@ -3530,8 +4068,8 @@ static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
ddb_index[0]);
if (rval != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get "
- "primary target\n", __func__));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
+ "configured\n", __func__));
} else
ret = QLA_SUCCESS;
@@ -3542,8 +4080,8 @@ sec_target:
rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
ddb_index[1]);
if (rval != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get "
- "secondary target\n", __func__));
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
+ " configured\n", __func__));
} else
ret = QLA_SUCCESS;
@@ -3560,7 +4098,7 @@ static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
if (ql4xdisablesysfsboot) {
ql4_printk(KERN_INFO, ha,
- "%s: syfsboot disabled - driver will trigger login"
+ "%s: syfsboot disabled - driver will trigger login "
"and publish session for discovery .\n", __func__);
return QLA_SUCCESS;
}
@@ -3712,11 +4250,13 @@ static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
tddb->port = le16_to_cpu(fw_ddb_entry->port);
+ memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], sizeof(tddb->isid));
}
static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
struct ql4_tuple_ddb *old_tddb,
- struct ql4_tuple_ddb *new_tddb)
+ struct ql4_tuple_ddb *new_tddb,
+ uint8_t is_isid_compare)
{
if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
return QLA_ERROR;
@@ -3727,6 +4267,26 @@ static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
if (old_tddb->port != new_tddb->port)
return QLA_ERROR;
+ /* For multi sessions, driver generates the ISID, so do not compare
+ * ISID in reset path since it would be a comparision between the
+ * driver generated ISID and firmware generated ISID. This could
+ * lead to adding duplicated DDBs in the list as driver generated
+ * ISID would not match firmware generated ISID.
+ */
+ if (is_isid_compare) {
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x"
+ "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
+ __func__, old_tddb->isid[5], old_tddb->isid[4],
+ old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1],
+ old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4],
+ new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1],
+ new_tddb->isid[0]));
+
+ if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
+ sizeof(old_tddb->isid)))
+ 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,
@@ -3769,7 +4329,7 @@ static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
continue;
qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
- if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+ if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
ret = QLA_SUCCESS; /* found */
goto exit_check;
}
@@ -3812,7 +4372,7 @@ static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
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)) {
+ if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true)) {
ret = QLA_SUCCESS; /* found */
goto exit_check;
}
@@ -3826,16 +4386,14 @@ exit_check:
return ret;
}
-static void qla4xxx_free_nt_list(struct list_head *list_nt)
+static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
{
- struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
+ struct qla_ddb_index *ddb_idx, *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);
+ list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
+ list_del_init(&ddb_idx->list);
+ vfree(ddb_idx);
}
-
}
static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
@@ -3884,6 +4442,8 @@ static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry)
{
+ uint16_t def_timeout;
+
ddb_entry->ddb_type = FLASH_DDB;
ddb_entry->fw_ddb_index = INVALID_ENTRY;
ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
@@ -3894,9 +4454,10 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
atomic_set(&ddb_entry->relogin_timer, 0);
atomic_set(&ddb_entry->relogin_retry_count, 0);
-
+ def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
ddb_entry->default_relogin_timeout =
- le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
+ (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
+ def_timeout : LOGIN_TOV;
ddb_entry->default_time2wait =
le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
}
@@ -3934,7 +4495,6 @@ static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
ip_state == IP_ADDRSTATE_DEPRICATED ||
ip_state == IP_ADDRSTATE_DISABLING)
ip_idx[idx] = -1;
-
}
/* Break if all IP states checked */
@@ -3947,56 +4507,39 @@ static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
} while (time_after(wtime, jiffies));
}
-void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
+static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
+ struct list_head *list_st)
{
+ struct qla_ddb_index *st_ddb_idx;
int max_ddbs;
+ int fw_idx_size;
+ struct dev_db_entry *fw_ddb_entry;
+ dma_addr_t fw_ddb_dma;
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;
+ uint16_t conn_id = 0;
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;
+ goto exit_st_list;
}
- INIT_LIST_HEAD(&list_st);
- INIT_LIST_HEAD(&list_nt);
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
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);
+ 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)
+ /* Ignore DDB if invalid state (unassigned) */
+ if (state == DDB_DS_UNASSIGNED)
goto continue_next_st;
/* Check if ST, add to the list_st */
@@ -4009,59 +4552,155 @@ void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
st_ddb_idx->fw_ddb_idx = idx;
- list_add_tail(&st_ddb_idx->list, &list_st);
+ 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
+exit_st_list:
+ if (fw_ddb_entry)
+ dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+}
+
+/**
+ * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list
+ * @ha: pointer to adapter structure
+ * @list_ddb: List from which failed ddb to be removed
+ *
+ * Iterate over the list of DDBs and find and remove DDBs that are either in
+ * no connection active state or failed state
+ **/
+static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
+ struct list_head *list_ddb)
+{
+ struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
+ uint32_t next_idx = 0;
+ uint32_t state = 0, conn_err = 0;
+ int ret;
+
+ list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
+ ret = qla4xxx_get_fwddb_entry(ha, 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(&ddb_idx->list);
+ vfree(ddb_idx);
+ }
+ }
+}
+
+static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry,
+ int is_reset)
+{
+ 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;
+ uint16_t conn_id = 0;
+ uint32_t initial_cmdsn = 0;
+ int ret = QLA_SUCCESS;
+
+ struct ddb_entry *ddb_entry = NULL;
+
+ /* Create session object, with INVALID_ENTRY,
+ * the targer_id would get set when we issue the login
*/
- qla4xxx_wait_for_ip_configuration(ha);
+ 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) {
+ ret = QLA_ERROR;
+ goto exit_setup;
+ }
- /* 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);
+ /*
+ * 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) {
+ ret = QLA_ERROR;
+ goto exit_setup;
}
- /* 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));
+ ddb_entry->conn = cls_conn;
- 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;
+ /* 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"));
+ ret = QLA_ERROR;
+ goto exit_setup;
+ }
- 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));
+ /* Update sess/conn params */
+ qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
- /* 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);
+ 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);
+ }
+
+exit_setup:
+ return ret;
+}
+
+static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
+ struct list_head *list_nt, int is_reset)
+{
+ struct dev_db_entry *fw_ddb_entry;
+ dma_addr_t fw_ddb_dma;
+ int max_ddbs;
+ int fw_idx_size;
+ int ret;
+ uint32_t idx = 0, next_idx = 0;
+ uint32_t state = 0, conn_err = 0;
+ uint16_t conn_id = 0;
+ struct qla_ddb_index *nt_ddb_idx;
+
+ 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_nt_list;
}
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
+ 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);
+ 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;
@@ -4072,107 +4711,113 @@ continue_next_st:
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;
- }
+ if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
+ state == DDB_DS_SESSION_FAILED))
+ 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;
+ 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;
- /*
- * 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;
+ nt_ddb_idx->fw_ddb_idx = idx;
- cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
- memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
+ memcpy(&nt_ddb_idx->fw_ddb, 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);
+ 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;
}
+
+ ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset);
+ if (ret == QLA_ERROR)
+ goto exit_nt_list;
+
continue_next_nt:
if (next_idx == 0)
break;
}
-exit_ddb_list:
- qla4xxx_free_nt_list(&list_nt);
+
+exit_nt_list:
if (fw_ddb_entry)
dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+}
+
+/**
+ * qla4xxx_build_ddb_list - Build ddb list and setup sessions
+ * @ha: pointer to adapter structure
+ * @is_reset: Is this init path or reset path
+ *
+ * Create a list of sendtargets (st) from firmware DDBs, issue send targets
+ * using connection open, then create the list of normal targets (nt)
+ * from firmware DDBs. Based on the list of nt setup session and connection
+ * objects.
+ **/
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
+{
+ uint16_t tmo = 0;
+ struct list_head list_st, list_nt;
+ struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
+ unsigned long wtime;
+
+ if (!test_bit(AF_LINK_UP, &ha->flags)) {
+ set_bit(AF_BUILD_DDB_LIST, &ha->flags);
+ ha->is_reset = is_reset;
+ return;
+ }
+
+ INIT_LIST_HEAD(&list_st);
+ INIT_LIST_HEAD(&list_nt);
+
+ qla4xxx_build_st_list(ha, &list_st);
+
+ /* 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) &&
+ (ha->def_timeout < LOGIN_TOV * 10) ?
+ ha->def_timeout : LOGIN_TOV);
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Default time to wait for build ddb %d\n", tmo));
+
+ wtime = jiffies + (HZ * tmo);
+ do {
+ if (list_empty(&list_st))
+ break;
+
+ qla4xxx_remove_failed_ddb(ha, &list_st);
+ schedule_timeout_uninterruptible(HZ / 10);
+ } while (time_after(wtime, jiffies));
+
+ /* Free up the sendtargets list */
+ qla4xxx_free_ddb_list(&list_st);
+
+ qla4xxx_build_nt_list(ha, &list_nt, is_reset);
+
+ qla4xxx_free_ddb_list(&list_nt);
qla4xxx_free_ddb_index(ha);
}
-
/**
* qla4xxx_probe_adapter - callback function to probe HBA
* @pdev: pointer to pci_dev structure
@@ -4256,6 +4901,9 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
spin_lock_init(&ha->hardware_lock);
+ /* Initialize work list */
+ INIT_LIST_HEAD(&ha->work_list);
+
/* Allocate dma buffers */
if (qla4xxx_mem_alloc(ha)) {
ql4_printk(KERN_WARNING, ha,
@@ -4383,8 +5031,8 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
ha->patch_number, ha->build_number);
if (qla4xxx_setup_boot_info(ha))
- ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
- __func__);
+ ql4_printk(KERN_ERR, ha,
+ "%s: No iSCSI boot target configured\n", __func__);
/* Perform the build ddb list and login to each */
qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-03 21:52:26 +0300