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path: root/drivers/scsi/qla4xxx/ql4_os.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_os.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c232
1 files changed, 171 insertions, 61 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index c21adc338cf1..459b9f7186fd 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -1670,16 +1670,13 @@ qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
struct sockaddr_in *addr;
struct sockaddr_in6 *addr6;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
if (!shost) {
ret = -ENXIO;
- printk(KERN_ERR "%s: shost is NULL\n",
- __func__);
+ pr_err("%s: shost is NULL\n", __func__);
return ERR_PTR(ret);
}
ha = iscsi_host_priv(shost);
-
ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
if (!ep) {
ret = -ENOMEM;
@@ -1699,6 +1696,9 @@ qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
(char *)&addr6->sin6_addr));
+ } else {
+ ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n",
+ __func__);
}
qla_ep->host = shost;
@@ -1712,9 +1712,9 @@ static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
struct scsi_qla_host *ha;
int ret = 0;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
qla_ep = ep->dd_data;
ha = to_qla_host(qla_ep->host);
+ DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no));
if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
ret = 1;
@@ -1724,7 +1724,13 @@ static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
{
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+ struct qla_endpoint *qla_ep;
+ struct scsi_qla_host *ha;
+
+ qla_ep = ep->dd_data;
+ ha = to_qla_host(qla_ep->host);
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
+ ha->host_no));
iscsi_destroy_endpoint(ep);
}
@@ -1734,8 +1740,11 @@ static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
{
struct qla_endpoint *qla_ep = ep->dd_data;
struct sockaddr *dst_addr;
+ struct scsi_qla_host *ha;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+ ha = to_qla_host(qla_ep->host);
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
+ ha->host_no));
switch (param) {
case ISCSI_PARAM_CONN_PORT:
@@ -1766,13 +1775,13 @@ static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
int ret;
dma_addr_t iscsi_stats_dma;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
-
cls_sess = iscsi_conn_to_session(cls_conn);
sess = cls_sess->dd_data;
ddb_entry = sess->dd_data;
ha = ddb_entry->ha;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
+ ha->host_no));
stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
/* Allocate memory */
ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
@@ -2100,7 +2109,8 @@ static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE);
else
init_fw_cb->ipv6_tcp_opts &=
- cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE);
+ cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE &
+ 0xFFFF);
break;
case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
if (iface_param->iface_num & 0x1)
@@ -2297,7 +2307,8 @@ static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE);
else
init_fw_cb->ipv4_tcp_opts &=
- cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE);
+ cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE &
+ 0xFFFF);
break;
case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
if (iface_param->iface_num & 0x1)
@@ -3045,7 +3056,6 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
struct sockaddr *dst_addr;
int ret;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
if (!ep) {
printk(KERN_ERR "qla4xxx: missing ep.\n");
return NULL;
@@ -3054,6 +3064,8 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
qla_ep = ep->dd_data;
dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
ha = to_qla_host(qla_ep->host);
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
+ ha->host_no));
ret = qla4xxx_get_ddb_index(ha, &ddb_index);
if (ret == QLA_ERROR)
@@ -3074,6 +3086,7 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
ddb_entry->sess = cls_sess;
ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
ddb_entry->ddb_change = qla4xxx_ddb_change;
+ clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags);
cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
ha->tot_ddbs++;
@@ -3092,10 +3105,11 @@ static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
uint32_t ddb_state;
int ret;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
sess = cls_sess->dd_data;
ddb_entry = sess->dd_data;
ha = ddb_entry->ha;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
+ ha->host_no));
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
&fw_ddb_entry_dma, GFP_KERNEL);
@@ -3123,7 +3137,8 @@ static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
destroy_session:
qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
-
+ if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags))
+ clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
spin_lock_irqsave(&ha->hardware_lock, flags);
qla4xxx_free_ddb(ha, ddb_entry);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -3141,17 +3156,23 @@ qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
struct iscsi_cls_conn *cls_conn;
struct iscsi_session *sess;
struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
conn_idx);
- if (!cls_conn)
+ if (!cls_conn) {
+ pr_info("%s: Can not create connection for conn_idx = %u\n",
+ __func__, conn_idx);
return NULL;
+ }
sess = cls_sess->dd_data;
ddb_entry = sess->dd_data;
ddb_entry->conn = cls_conn;
+ ha = ddb_entry->ha;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__,
+ conn_idx));
return cls_conn;
}
@@ -3162,8 +3183,16 @@ static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
struct iscsi_conn *conn;
struct qla_conn *qla_conn;
struct iscsi_endpoint *ep;
+ struct ddb_entry *ddb_entry;
+ struct scsi_qla_host *ha;
+ struct iscsi_session *sess;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+ sess = cls_session->dd_data;
+ ddb_entry = sess->dd_data;
+ ha = ddb_entry->ha;
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
+ cls_session->sid, cls_conn->cid));
if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
return -EINVAL;
@@ -3186,10 +3215,11 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
int ret = 0;
int status = QLA_SUCCESS;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
sess = cls_sess->dd_data;
ddb_entry = sess->dd_data;
ha = ddb_entry->ha;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
+ cls_sess->sid, cls_conn->cid));
/* Check if we have matching FW DDB, if yes then do not
* login to this target. This could cause target to logout previous
@@ -3263,10 +3293,11 @@ static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
struct ddb_entry *ddb_entry;
int options;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
sess = cls_sess->dd_data;
ddb_entry = sess->dd_data;
ha = ddb_entry->ha;
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__,
+ cls_conn->cid));
options = LOGOUT_OPTION_CLOSE_SESSION;
if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
@@ -4372,6 +4403,11 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
uint32_t dev_state;
uint32_t idc_ctrl;
+ if (is_qla8032(ha) &&
+ (qla4_83xx_is_detached(ha) == QLA_SUCCESS))
+ WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n",
+ __func__, ha->func_num);
+
/* don't poll if reset is going on */
if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
@@ -4554,11 +4590,19 @@ static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
uint32_t index = 0;
unsigned long flags;
struct scsi_cmnd *cmd;
+ unsigned long wtime;
+ uint32_t wtmo;
+
+ if (is_qla40XX(ha))
+ wtmo = WAIT_CMD_TOV;
+ else
+ wtmo = ha->nx_reset_timeout / 2;
- unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ);
+ wtime = jiffies + (wtmo * HZ);
- DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to "
- "complete\n", WAIT_CMD_TOV));
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Wait up to %u seconds for cmds to complete\n",
+ wtmo));
while (!time_after_eq(jiffies, wtime)) {
spin_lock_irqsave(&ha->hardware_lock, flags);
@@ -4861,11 +4905,11 @@ chip_reset:
qla4xxx_cmd_wait(ha);
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: %s - Performing chip reset..\n",
ha->host_no, __func__));
status = ha->isp_ops->reset_chip(ha);
+ qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
}
/* Flush any pending ddb changed AENs */
@@ -4881,8 +4925,21 @@ recover_ha_init_adapter:
ssleep(6);
/* NOTE: AF_ONLINE flag set upon successful completion of
- * qla4xxx_initialize_adapter */
+ * qla4xxx_initialize_adapter */
status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
+ if (is_qla80XX(ha) && (status == QLA_ERROR)) {
+ status = qla4_8xxx_check_init_adapter_retry(ha);
+ if (status == QLA_ERROR) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n",
+ ha->host_no, __func__);
+ qla4xxx_dead_adapter_cleanup(ha);
+ clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
+ clear_bit(DPC_RESET_HA, &ha->dpc_flags);
+ clear_bit(DPC_RESET_HA_FW_CONTEXT,
+ &ha->dpc_flags);
+ goto exit_recover;
+ }
+ }
}
/* Retry failed adapter initialization, if necessary
@@ -5228,9 +5285,9 @@ static void qla4xxx_do_dpc(struct work_struct *work)
container_of(work, struct scsi_qla_host, dpc_work);
int status = QLA_ERROR;
- DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
- "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
- ha->host_no, __func__, ha->flags, ha->dpc_flags))
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n",
+ ha->host_no, __func__, ha->flags, ha->dpc_flags));
/* Initialization not yet finished. Don't do anything yet. */
if (!test_bit(AF_INIT_DONE, &ha->flags))
@@ -8681,11 +8738,8 @@ static int qla4xxx_probe_adapter(struct pci_dev *pdev,
status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
/* Dont retry adapter initialization if IRQ allocation failed */
- if (is_qla80XX(ha) && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) {
- ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization\n",
- __func__);
+ if (is_qla80XX(ha) && (status == QLA_ERROR))
goto skip_retry_init;
- }
while ((!test_bit(AF_ONLINE, &ha->flags)) &&
init_retry_count++ < MAX_INIT_RETRIES) {
@@ -8709,6 +8763,10 @@ static int qla4xxx_probe_adapter(struct pci_dev *pdev,
continue;
status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
+ if (is_qla80XX(ha) && (status == QLA_ERROR)) {
+ if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR)
+ goto skip_retry_init;
+ }
}
skip_retry_init:
@@ -8857,10 +8915,56 @@ static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
}
}
+static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry)
+{
+ struct dev_db_entry *fw_ddb_entry = NULL;
+ dma_addr_t fw_ddb_entry_dma;
+ unsigned long wtime;
+ uint32_t ddb_state;
+ int options;
+ int status;
+
+ 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__);
+ goto clear_ddb;
+ }
+
+ 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 clear_ddb;
+ }
+
+ wtime = jiffies + (HZ * LOGOUT_TOV);
+ do {
+ status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
+ fw_ddb_entry, fw_ddb_entry_dma,
+ NULL, NULL, &ddb_state, NULL,
+ NULL, NULL);
+ if (status == QLA_ERROR)
+ goto free_ddb;
+
+ if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
+ (ddb_state == DDB_DS_SESSION_FAILED))
+ goto free_ddb;
+
+ schedule_timeout_uninterruptible(HZ);
+ } while ((time_after(wtime, jiffies)));
+
+free_ddb:
+ dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ fw_ddb_entry, fw_ddb_entry_dma);
+clear_ddb:
+ qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
+}
+
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++) {
@@ -8869,13 +8973,7 @@ static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
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);
+ qla4xxx_destroy_ddb(ha, ddb_entry);
/*
* we have decremented the reference count of the driver
* when we setup the session to have the driver unload
@@ -9136,14 +9234,15 @@ static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
int ret = SUCCESS;
int wait = 0;
- ql4_printk(KERN_INFO, ha,
- "scsi%ld:%d:%d: Abort command issued cmd=%p\n",
- ha->host_no, id, lun, cmd);
+ ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d: Abort command issued cmd=%p, cdb=0x%x\n",
+ ha->host_no, id, lun, cmd, cmd->cmnd[0]);
spin_lock_irqsave(&ha->hardware_lock, flags);
srb = (struct srb *) CMD_SP(cmd);
if (!srb) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d: Specified command has already completed.\n",
+ ha->host_no, id, lun);
return SUCCESS;
}
kref_get(&srb->srb_ref);
@@ -9560,28 +9659,36 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
}
fn = PCI_FUNC(ha->pdev->devfn);
- while (fn > 0) {
- fn--;
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at "
- "func %x\n", ha->host_no, __func__, fn);
- /* Get the pci device given the domain, bus,
- * slot/function number */
- other_pdev =
- pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
- ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
- fn));
-
- if (!other_pdev)
- continue;
+ if (is_qla8022(ha)) {
+ while (fn > 0) {
+ fn--;
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n",
+ ha->host_no, __func__, fn);
+ /* Get the pci device given the domain, bus,
+ * slot/function number */
+ other_pdev = pci_get_domain_bus_and_slot(
+ pci_domain_nr(ha->pdev->bus),
+ ha->pdev->bus->number,
+ PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
+ fn));
+
+ if (!other_pdev)
+ continue;
- if (atomic_read(&other_pdev->enable_cnt)) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI "
- "func in enabled state%x\n", ha->host_no,
- __func__, fn);
+ if (atomic_read(&other_pdev->enable_cnt)) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n",
+ ha->host_no, __func__, fn);
+ pci_dev_put(other_pdev);
+ break;
+ }
pci_dev_put(other_pdev);
- break;
}
- pci_dev_put(other_pdev);
+ } else {
+ /* this case is meant for ISP83xx/ISP84xx only */
+ if (qla4_83xx_can_perform_reset(ha)) {
+ /* reset fn as iSCSI is going to perform the reset */
+ fn = 0;
+ }
}
/* The first function on the card, the reset owner will
@@ -9615,6 +9722,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
if (rval != QLA_SUCCESS) {
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
"FAILED\n", ha->host_no, __func__);
+ qla4xxx_free_irqs(ha);
ha->isp_ops->idc_lock(ha);
qla4_8xxx_clear_drv_active(ha);
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
@@ -9642,6 +9750,8 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
if (rval == QLA_SUCCESS)
ha->isp_ops->enable_intrs(ha);
+ else
+ qla4xxx_free_irqs(ha);
ha->isp_ops->idc_lock(ha);
qla4_8xxx_set_drv_active(ha);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.