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Diffstat (limited to 'drivers/scsi/qla4xxx')
-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h36
-rw-r--r--drivers/scsi/qla4xxx/ql4_fw.h20
-rw-r--r--drivers/scsi/qla4xxx/ql4_glbl.h2
-rw-r--r--drivers/scsi/qla4xxx/ql4_init.c14
-rw-r--r--drivers/scsi/qla4xxx/ql4_iocb.c2
-rw-r--r--drivers/scsi/qla4xxx/ql4_isr.c3
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c48
-rw-r--r--drivers/scsi/qla4xxx/ql4_nx.c17
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c315
-rw-r--r--drivers/scsi/qla4xxx/ql4_version.h2
10 files changed, 431 insertions, 28 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index a79da8dd2064..9dc0a6616edd 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -36,6 +36,24 @@
#include "ql4_dbg.h"
#include "ql4_nx.h"
+#if defined(CONFIG_PCIEAER)
+#include <linux/aer.h>
+#else
+/* AER releated */
+static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
+{
+ return -EINVAL;
+}
+static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
+{
+ return -EINVAL;
+}
+static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
+{
+ return -EINVAL;
+}
+#endif
+
#ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
#define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010
#endif
@@ -137,6 +155,9 @@
#define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */
#define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */
+#define QL4_SESS_RECOVERY_TMO 30 /* iSCSI session */
+ /* recovery timeout */
+
#define LSDW(x) ((u32)((u64)(x)))
#define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
@@ -249,7 +270,6 @@ struct ddb_entry {
uint32_t default_time2wait; /* Default Min time between
* relogins (+aens) */
- atomic_t port_down_timer; /* Device connection timer */
atomic_t retry_relogin_timer; /* Min Time between relogins
* (4000 only) */
atomic_t relogin_timer; /* Max Time to wait for relogin to complete */
@@ -378,7 +398,9 @@ struct scsi_qla_host {
#define AF_MSI_ENABLED 16 /* 0x00010000 */
#define AF_MSIX_ENABLED 17 /* 0x00020000 */
#define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */
-
+#define AF_FW_RECOVERY 19 /* 0x00080000 */
+#define AF_EEH_BUSY 20 /* 0x00100000 */
+#define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
unsigned long dpc_flags;
@@ -474,7 +496,6 @@ struct scsi_qla_host {
uint32_t timer_active;
/* Recovery Timers */
- uint32_t port_down_retry_count;
uint32_t discovery_wait;
atomic_t check_relogin_timeouts;
uint32_t retry_reset_ha_cnt;
@@ -615,6 +636,15 @@ static inline int is_qla8022(struct scsi_qla_host *ha)
return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
}
+/* Note: Currently AER/EEH is now supported only for 8022 cards
+ * This function needs to be updated when AER/EEH is enabled
+ * for other cards.
+ */
+static inline int is_aer_supported(struct scsi_qla_host *ha)
+{
+ return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
+}
+
static inline int adapter_up(struct scsi_qla_host *ha)
{
return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index c94c9ddfb3a6..0336c6db8cb3 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -673,17 +673,17 @@ struct flash_sys_info {
}; /* 200 */
struct mbx_sys_info {
- uint8_t board_id_str[16]; /* Keep board ID string first */
- /* in this structure for GUI. */
- uint16_t board_id; /* board ID code */
- uint16_t phys_port_cnt; /* number of physical network ports */
- uint16_t port_num; /* network port for this PCI function */
+ uint8_t board_id_str[16]; /* 0-f Keep board ID string first */
+ /* in this structure for GUI. */
+ uint16_t board_id; /* 10-11 board ID code */
+ uint16_t phys_port_cnt; /* 12-13 number of physical network ports */
+ uint16_t port_num; /* 14-15 network port for this PCI function */
/* (port 0 is first port) */
- uint8_t mac_addr[6]; /* MAC address for this PCI function */
- uint32_t iscsi_pci_func_cnt; /* number of iSCSI PCI functions */
- uint32_t pci_func; /* this PCI function */
- unsigned char serial_number[16]; /* serial number string */
- uint8_t reserved[16];
+ uint8_t mac_addr[6]; /* 16-1b MAC address for this PCI function */
+ uint32_t iscsi_pci_func_cnt; /* 1c-1f number of iSCSI PCI functions */
+ uint32_t pci_func; /* 20-23 this PCI function */
+ unsigned char serial_number[16]; /* 24-33 serial number string */
+ uint8_t reserved[12]; /* 34-3f */
};
struct crash_record {
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index c9cd5d6db982..95a26fb1626c 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -93,6 +93,7 @@ void qla4xxx_free_irqs(struct scsi_qla_host *ha);
void qla4xxx_process_response_queue(struct scsi_qla_host *ha);
void qla4xxx_wake_dpc(struct scsi_qla_host *ha);
void qla4xxx_get_conn_event_log(struct scsi_qla_host *ha);
+void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha);
void qla4_8xxx_pci_config(struct scsi_qla_host *);
int qla4_8xxx_iospace_config(struct scsi_qla_host *ha);
@@ -131,6 +132,7 @@ void qla4_8xxx_idc_unlock(struct scsi_qla_host *ha);
int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha);
void qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha);
void qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha);
+void qla4_8xxx_set_drv_active(struct scsi_qla_host *ha);
extern int ql4xextended_error_logging;
extern int ql4xdiscoverywait;
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 30073577c3a4..4c9be77ee70b 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -308,7 +308,6 @@ static int qla4xxx_fw_ready(struct scsi_qla_host *ha)
DEBUG2(printk("scsi%ld: %s: unable to get firmware "
"state\n", ha->host_no, __func__));
break;
-
}
if (ha->firmware_state & FW_STATE_ERROR) {
@@ -445,6 +444,16 @@ static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
{
int status = QLA_ERROR;
+ if (is_aer_supported(ha) &&
+ test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
+ return status;
+
+ /* For 82xx, stop firmware before initializing because if BIOS
+ * has previously initialized firmware, then driver's initialize
+ * firmware will fail. */
+ if (is_qla8022(ha))
+ qla4_8xxx_stop_firmware(ha);
+
ql4_printk(KERN_INFO, ha, "Initializing firmware..\n");
if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) {
DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware "
@@ -669,7 +678,6 @@ static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
}
ddb_entry->fw_ddb_index = fw_ddb_index;
- atomic_set(&ddb_entry->port_down_timer, ha->port_down_retry_count);
atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
atomic_set(&ddb_entry->relogin_timer, 0);
atomic_set(&ddb_entry->relogin_retry_count, 0);
@@ -1556,8 +1564,6 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
/* Device is back online. */
if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
- atomic_set(&ddb_entry->port_down_timer,
- ha->port_down_retry_count);
atomic_set(&ddb_entry->relogin_retry_count, 0);
atomic_set(&ddb_entry->relogin_timer, 0);
clear_bit(DF_RELOGIN, &ddb_entry->flags);
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index f89973deac5b..4ef9ba112ee8 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -19,7 +19,7 @@ qla4xxx_space_in_req_ring(struct scsi_qla_host *ha, uint16_t req_cnt)
/* Calculate number of free request entries. */
if ((req_cnt + 2) >= ha->req_q_count) {
- cnt = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out);
+ cnt = (uint16_t) ha->isp_ops->rd_shdw_req_q_out(ha);
if (ha->request_in < cnt)
ha->req_q_count = cnt - ha->request_in;
else
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index aa65697a86b4..2a1ab63f3eb0 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -816,6 +816,9 @@ irqreturn_t qla4_8xxx_intr_handler(int irq, void *dev_id)
unsigned long flags = 0;
uint8_t reqs_count = 0;
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ return IRQ_HANDLED;
+
ha->isr_count++;
status = qla4_8xxx_rd_32(ha, ISR_INT_VECTOR);
if (!(status & ha->nx_legacy_intr.int_vec_bit))
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 940ee561ee0a..90021704d8ca 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -39,6 +39,22 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
"pointer\n", ha->host_no, __func__));
return status;
}
+
+ if (is_qla8022(ha) &&
+ test_bit(AF_FW_RECOVERY, &ha->flags)) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: prematurely "
+ "completing mbx cmd as firmware recovery detected\n",
+ ha->host_no, __func__));
+ return status;
+ }
+
+ if ((is_aer_supported(ha)) &&
+ (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
+ DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
+ "timeout MBX Exiting.\n", ha->host_no, __func__));
+ return status;
+ }
+
/* Mailbox code active */
wait_count = MBOX_TOV * 100;
@@ -150,6 +166,7 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
if (time_after_eq(jiffies, wait_count))
break;
+
/*
* Service the interrupt.
* The ISR will save the mailbox status registers
@@ -196,6 +213,14 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
/* Check for mailbox timeout. */
if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
+ if (is_qla8022(ha) &&
+ test_bit(AF_FW_RECOVERY, &ha->flags)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s: prematurely completing mbx cmd as "
+ "firmware recovery detected\n",
+ ha->host_no, __func__));
+ goto mbox_exit;
+ }
DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
" Scheduling Adapter Reset\n", ha->host_no,
mbx_cmd[0]));
@@ -246,6 +271,28 @@ mbox_exit:
return status;
}
+void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
+{
+ set_bit(AF_FW_RECOVERY, &ha->flags);
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
+ ha->host_no, __func__);
+
+ if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
+ if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
+ complete(&ha->mbx_intr_comp);
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
+ "recovery, doing premature completion of "
+ "mbx cmd\n", ha->host_no, __func__);
+
+ } else {
+ set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
+ "recovery, doing premature completion of "
+ "polling mbx cmd\n", ha->host_no, __func__);
+ }
+ }
+}
+
static uint8_t
qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
@@ -361,7 +408,6 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
/* Save Command Line Paramater info */
- ha->port_down_retry_count = le16_to_cpu(init_fw_cb->conn_ka_timeout);
ha->discovery_wait = ql4xdiscoverywait;
if (ha->acb_version == ACB_SUPPORTED) {
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 3e119ae78397..5d4a3822382d 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -1418,7 +1418,7 @@ static int qla4_8xxx_rcvpeg_ready(struct scsi_qla_host *ha)
return QLA_SUCCESS;
}
-static inline void
+void
qla4_8xxx_set_drv_active(struct scsi_qla_host *ha)
{
uint32_t drv_active;
@@ -1441,11 +1441,15 @@ qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha)
static inline int
qla4_8xxx_need_reset(struct scsi_qla_host *ha)
{
- uint32_t drv_state;
+ uint32_t drv_state, drv_active;
int rval;
+ drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
rval = drv_state & (1 << (ha->func_num * 4));
+ if ((test_bit(AF_EEH_BUSY, &ha->flags)) && drv_active)
+ rval = 1;
+
return rval;
}
@@ -1949,7 +1953,8 @@ qla4_8xxx_get_fdt_info(struct scsi_qla_host *ha)
uint16_t cnt, chksum;
uint16_t *wptr;
struct qla_fdt_layout *fdt;
- uint16_t mid, fid;
+ uint16_t mid = 0;
+ uint16_t fid = 0;
struct ql82xx_hw_data *hw = &ha->hw;
hw->flash_conf_off = FARX_ACCESS_FLASH_CONF;
@@ -2105,6 +2110,9 @@ qla4_8xxx_isp_reset(struct scsi_qla_host *ha)
qla4_8xxx_clear_rst_ready(ha);
qla4_8xxx_idc_unlock(ha);
+ if (rval == QLA_SUCCESS)
+ clear_bit(AF_FW_RECOVERY, &ha->flags);
+
return rval;
}
@@ -2145,7 +2153,8 @@ int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha)
goto exit_validate_mac82;
}
- if (mbox_sts[4] < sizeof(*sys_info)) {
+ /* Make sure we receive the minimum required data to cache internally */
+ if (mbox_sts[4] < offsetof(struct mbx_sys_info, reserved)) {
DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive"
" error (%x)\n", ha->host_no, __func__, mbox_sts[4]));
goto exit_validate_mac82;
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 5529b2a39741..370d40ff1529 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -163,10 +163,10 @@ static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session)
if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) {
atomic_set(&ddb_entry->state, DDB_STATE_DEAD);
- DEBUG2(printk("scsi%ld: %s: ddb [%d] port down retry count "
+ DEBUG2(printk("scsi%ld: %s: ddb [%d] session recovery timeout "
"of (%d) secs exhausted, marking device DEAD.\n",
ha->host_no, __func__, ddb_entry->fw_ddb_index,
- ha->port_down_retry_count));
+ QL4_SESS_RECOVERY_TMO));
qla4xxx_wake_dpc(ha);
}
@@ -298,7 +298,8 @@ int qla4xxx_add_sess(struct ddb_entry *ddb_entry)
{
int err;
- ddb_entry->sess->recovery_tmo = ddb_entry->ha->port_down_retry_count;
+ ddb_entry->sess->recovery_tmo = QL4_SESS_RECOVERY_TMO;
+
err = iscsi_add_session(ddb_entry->sess, ddb_entry->fw_ddb_index);
if (err) {
DEBUG2(printk(KERN_ERR "Could not add session.\n"));
@@ -474,6 +475,14 @@ static int qla4xxx_queuecommand(struct scsi_cmnd *cmd,
struct srb *srb;
int rval;
+ if (test_bit(AF_EEH_BUSY, &ha->flags)) {
+ if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
+ cmd->result = DID_NO_CONNECT << 16;
+ else
+ cmd->result = DID_REQUEUE << 16;
+ goto qc_fail_command;
+ }
+
if (!sess) {
cmd->result = DID_IMM_RETRY << 16;
goto qc_fail_command;
@@ -654,6 +663,13 @@ static void qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
uint32_t fw_heartbeat_counter, halt_status;
fw_heartbeat_counter = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+ /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
+ if (fw_heartbeat_counter == 0xffffffff) {
+ DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
+ "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
+ ha->host_no, __func__));
+ return;
+ }
if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
ha->seconds_since_last_heartbeat++;
@@ -662,6 +678,7 @@ static void qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
ha->seconds_since_last_heartbeat = 0;
halt_status = qla4_8xxx_rd_32(ha,
QLA82XX_PEG_HALT_STATUS1);
+
/* Since we cannot change dev_state in interrupt
* context, set appropriate DPC flag then wakeup
* DPC */
@@ -673,6 +690,7 @@ static void qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
set_bit(DPC_RESET_HA, &ha->dpc_flags);
}
qla4xxx_wake_dpc(ha);
+ qla4xxx_mailbox_premature_completion(ha);
}
}
ha->fw_heartbeat_counter = fw_heartbeat_counter;
@@ -698,6 +716,7 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
ha->host_no, __func__);
set_bit(DPC_RESET_HA, &ha->dpc_flags);
qla4xxx_wake_dpc(ha);
+ qla4xxx_mailbox_premature_completion(ha);
} else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT &&
!test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
printk("scsi%ld: %s: HW State: NEED QUIES!\n",
@@ -719,6 +738,19 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
{
struct ddb_entry *ddb_entry, *dtemp;
int start_dpc = 0;
+ uint16_t w;
+
+ /* If we are in the middle of AER/EEH processing
+ * skip any processing and reschedule the timer
+ */
+ if (test_bit(AF_EEH_BUSY, &ha->flags)) {
+ mod_timer(&ha->timer, jiffies + HZ);
+ return;
+ }
+
+ /* Hardware read to trigger an EEH error during mailbox waits. */
+ if (!pci_channel_offline(ha->pdev))
+ pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
if (test_bit(AF_HBA_GOING_AWAY, &ha->flags)) {
DEBUG2(ql4_printk(KERN_INFO, ha, "%s exited. HBA GOING AWAY\n",
@@ -1207,7 +1239,13 @@ static void qla4xxx_do_dpc(struct work_struct *work)
/* Initialization not yet finished. Don't do anything yet. */
if (!test_bit(AF_INIT_DONE, &ha->flags))
- return;
+ goto do_dpc_exit;
+
+ if (test_bit(AF_EEH_BUSY, &ha->flags)) {
+ DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
+ ha->host_no, __func__, ha->flags));
+ goto do_dpc_exit;
+ }
/* HBA is in the process of being permanently disabled.
* Don't process anything */
@@ -1346,6 +1384,8 @@ dpc_post_reset_ha:
}
}
}
+
+do_dpc_exit:
clear_bit(AF_DPC_SCHEDULED, &ha->flags);
}
@@ -1612,6 +1652,8 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
ha->host = host;
ha->host_no = host->host_no;
+ pci_enable_pcie_error_reporting(pdev);
+
/* Setup Runtime configurable options */
if (is_qla8022(ha)) {
ha->isp_ops = &qla4_8xxx_isp_ops;
@@ -1630,6 +1672,10 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
ha->isp_ops = &qla4xxx_isp_ops;
}
+ /* Set EEH reset type to fundamental if required by hba */
+ if (is_qla8022(ha))
+ pdev->needs_freset = 1;
+
/* Configure PCI I/O space. */
ret = ha->isp_ops->iospace_config(ha);
if (ret)
@@ -1726,6 +1772,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
}
}
+ pci_save_state(ha->pdev);
ha->isp_ops->enable_intrs(ha);
/* Start timer thread. */
@@ -1752,6 +1799,7 @@ probe_failed:
qla4xxx_free_adapter(ha);
probe_failed_ioconfig:
+ pci_disable_pcie_error_reporting(pdev);
scsi_host_put(ha->host);
probe_disable_device:
@@ -1781,6 +1829,7 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
scsi_host_put(ha->host);
+ pci_disable_pcie_error_reporting(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}
@@ -1877,6 +1926,17 @@ static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
int done = 0;
struct srb *rp;
uint32_t max_wait_time = EH_WAIT_CMD_TOV;
+ int ret = SUCCESS;
+
+ /* Dont wait on command if PCI error is being handled
+ * by PCI AER driver
+ */
+ if (unlikely(pci_channel_offline(ha->pdev)) ||
+ (test_bit(AF_EEH_BUSY, &ha->flags))) {
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
+ ha->host_no, __func__);
+ return ret;
+ }
do {
/* Checking to see if its returned to OS */
@@ -2172,6 +2232,252 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
return return_status;
}
+/* PCI AER driver recovers from all correctable errors w/o
+ * driver intervention. For uncorrectable errors PCI AER
+ * driver calls the following device driver's callbacks
+ *
+ * - Fatal Errors - link_reset
+ * - Non-Fatal Errors - driver's pci_error_detected() which
+ * returns CAN_RECOVER, NEED_RESET or DISCONNECT.
+ *
+ * PCI AER driver calls
+ * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled
+ * returns RECOVERED or NEED_RESET if fw_hung
+ * NEED_RESET - driver's slot_reset()
+ * DISCONNECT - device is dead & cannot recover
+ * RECOVERED - driver's pci_resume()
+ */
+static pci_ers_result_t
+qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+ struct scsi_qla_host *ha = pci_get_drvdata(pdev);
+
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
+ ha->host_no, __func__, state);
+
+ if (!is_aer_supported(ha))
+ return PCI_ERS_RESULT_NONE;
+
+ switch (state) {
+ case pci_channel_io_normal:
+ clear_bit(AF_EEH_BUSY, &ha->flags);
+ return PCI_ERS_RESULT_CAN_RECOVER;
+ case pci_channel_io_frozen:
+ set_bit(AF_EEH_BUSY, &ha->flags);
+ qla4xxx_mailbox_premature_completion(ha);
+ qla4xxx_free_irqs(ha);
+ pci_disable_device(pdev);
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ set_bit(AF_EEH_BUSY, &ha->flags);
+ set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
+ qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * qla4xxx_pci_mmio_enabled() gets called if
+ * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
+ * and read/write to the device still works.
+ **/
+static pci_ers_result_t
+qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
+{
+ struct scsi_qla_host *ha = pci_get_drvdata(pdev);
+
+ if (!is_aer_supported(ha))
+ return PCI_ERS_RESULT_NONE;
+
+ if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: firmware hang -- "
+ "mmio_enabled\n", ha->host_no, __func__);
+ return PCI_ERS_RESULT_NEED_RESET;
+ } else
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
+{
+ uint32_t rval = QLA_ERROR;
+ int fn;
+ struct pci_dev *other_pdev = NULL;
+
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
+
+ set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
+
+ if (test_bit(AF_ONLINE, &ha->flags)) {
+ clear_bit(AF_ONLINE, &ha->flags);
+ qla4xxx_mark_all_devices_missing(ha);
+ qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
+ qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
+ }
+
+ 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 (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);
+ }
+
+ /* The first function on the card, the reset owner will
+ * start & initialize the firmware. The other functions
+ * on the card will reset the firmware context
+ */
+ if (!fn) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
+ "0x%x is the owner\n", ha->host_no, __func__,
+ ha->pdev->devfn);
+
+ qla4_8xxx_idc_lock(ha);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_COLD);
+
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
+ QLA82XX_IDC_VERSION);
+
+ qla4_8xxx_idc_unlock(ha);
+ clear_bit(AF_FW_RECOVERY, &ha->flags);
+ rval = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST);
+ qla4_8xxx_idc_lock(ha);
+
+ if (rval != QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
+ "FAILED\n", ha->host_no, __func__);
+ qla4_8xxx_clear_drv_active(ha);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_FAILED);
+ } else {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
+ "READY\n", ha->host_no, __func__);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_READY);
+ /* Clear driver state register */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
+ qla4_8xxx_set_drv_active(ha);
+ ha->isp_ops->enable_intrs(ha);
+ }
+ qla4_8xxx_idc_unlock(ha);
+ } else {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
+ "the reset owner\n", ha->host_no, __func__,
+ ha->pdev->devfn);
+ if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
+ QLA82XX_DEV_READY)) {
+ clear_bit(AF_FW_RECOVERY, &ha->flags);
+ rval = qla4xxx_initialize_adapter(ha,
+ PRESERVE_DDB_LIST);
+ if (rval == QLA_SUCCESS)
+ ha->isp_ops->enable_intrs(ha);
+ qla4_8xxx_idc_lock(ha);
+ qla4_8xxx_set_drv_active(ha);
+ qla4_8xxx_idc_unlock(ha);
+ }
+ }
+ clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
+ return rval;
+}
+
+static pci_ers_result_t
+qla4xxx_pci_slot_reset(struct pci_dev *pdev)
+{
+ pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
+ struct scsi_qla_host *ha = pci_get_drvdata(pdev);
+ int rc;
+
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
+ ha->host_no, __func__);
+
+ if (!is_aer_supported(ha))
+ return PCI_ERS_RESULT_NONE;
+
+ /* Restore the saved state of PCIe device -
+ * BAR registers, PCI Config space, PCIX, MSI,
+ * IOV states
+ */
+ pci_restore_state(pdev);
+
+ /* pci_restore_state() clears the saved_state flag of the device
+ * save restored state which resets saved_state flag
+ */
+ pci_save_state(pdev);
+
+ /* Initialize device or resume if in suspended state */
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Cant re-enable "
+ "device after reset\n", ha->host_no, __func__);
+ goto exit_slot_reset;
+ }
+
+ ret = qla4xxx_request_irqs(ha);
+ if (ret) {
+ ql4_printk(KERN_WARNING, ha, "Failed to reserve interrupt %d"
+ " already in use.\n", pdev->irq);
+ goto exit_slot_reset;
+ }
+
+ if (is_qla8022(ha)) {
+ if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
+ ret = PCI_ERS_RESULT_RECOVERED;
+ goto exit_slot_reset;
+ } else
+ goto exit_slot_reset;
+ }
+
+exit_slot_reset:
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
+ "device after reset\n", ha->host_no, __func__, ret);
+ return ret;
+}
+
+static void
+qla4xxx_pci_resume(struct pci_dev *pdev)
+{
+ struct scsi_qla_host *ha = pci_get_drvdata(pdev);
+ int ret;
+
+ ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
+ ha->host_no, __func__);
+
+ ret = qla4xxx_wait_for_hba_online(ha);
+ if (ret != QLA_SUCCESS) {
+ ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
+ "resume I/O from slot/link_reset\n", ha->host_no,
+ __func__);
+ }
+
+ pci_cleanup_aer_uncorrect_error_status(pdev);
+ clear_bit(AF_EEH_BUSY, &ha->flags);
+}
+
+static struct pci_error_handlers qla4xxx_err_handler = {
+ .error_detected = qla4xxx_pci_error_detected,
+ .mmio_enabled = qla4xxx_pci_mmio_enabled,
+ .slot_reset = qla4xxx_pci_slot_reset,
+ .resume = qla4xxx_pci_resume,
+};
+
static struct pci_device_id qla4xxx_pci_tbl[] = {
{
.vendor = PCI_VENDOR_ID_QLOGIC,
@@ -2206,6 +2512,7 @@ static struct pci_driver qla4xxx_pci_driver = {
.id_table = qla4xxx_pci_tbl,
.probe = qla4xxx_probe_adapter,
.remove = qla4xxx_remove_adapter,
+ .err_handler = &qla4xxx_err_handler,
};
static int __init qla4xxx_module_init(void)
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index c905dbd75331..a77b973f2cbc 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,4 +5,4 @@
* See LICENSE.qla4xxx for copyright and licensing details.
*/
-#define QLA4XXX_DRIVER_VERSION "5.02.00-k2"
+#define QLA4XXX_DRIVER_VERSION "5.02.00-k3"
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.