Introduce mpt3sas_wait_for_ioc_to_operational.
This section of code "wait for IOC to be operational"
is used in many places across the driver,
and hence moved this section of code in to the function
"mpt3sas_wait_for_ioc_to_operational".
Also added HBA hot unplug checks, and this returns with
error code EFAULT, if it detects HBA is hot unplugged
or IOC is not in operational state.
Signed-off-by: Suganath Prabu S <suganath-prabu.subram...@broadcom.com>
---
drivers/scsi/mpt3sas/mpt3sas_base.c | 92 +++++++++++++++++++-------------
drivers/scsi/mpt3sas/mpt3sas_base.h | 4 ++
drivers/scsi/mpt3sas/mpt3sas_config.c | 28 +++-------
drivers/scsi/mpt3sas/mpt3sas_ctl.c | 26 ++-------
drivers/scsi/mpt3sas/mpt3sas_transport.c | 75 +++++---------------------
5 files changed, 81 insertions(+), 144 deletions(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c
b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 6c8a30f..a46ded8 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -5289,6 +5289,53 @@ _base_send_ioc_reset(struct MPT3SAS_ADAPTER *ioc, u8
reset_type, int timeout)
}
/**
+ * mpt3sas_wait_for_ioc_to_operational - IOC's operational
+ * state and HBA hot unplug status are checked here.
+ * @ioc: per adapter object
+ * @wait_count: timeout in seconds
+ *
+ * Return: Returns EFAULT, if HBA is hot unplugged or IOC is
+ * not in operational state, within the wait_count.
+ * And returns 0, If not hot unplugged Or ioc is in
+ * operational state.
+ */
+
+int
+mpt3sas_wait_for_ioc_to_operational(struct MPT3SAS_ADAPTER *ioc,
+ int wait_count)
+{
+ int wait_state_count = 0;
+ u32 ioc_state;
+
+ if (mpt3sas_base_pci_device_is_unplugged(ioc))
+ return -EFAULT;
+
+ ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
+ while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
+
+ if (mpt3sas_base_pci_device_is_unplugged(ioc))
+ return -EFAULT;
+
+ if (wait_state_count++ == wait_count) {
+ pr_err(MPT3SAS_FMT
+ "%s: failed due to ioc not operational\n",
+ ioc->name, __func__);
+ return -EFAULT;
+ }
+ ssleep(1);
+ ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
+ pr_info(MPT3SAS_FMT "%s: waiting for "
+ "operational state(count=%d)\n", ioc->name,
+ __func__, wait_state_count);
+ }
+ if (wait_state_count)
+ pr_info(MPT3SAS_FMT "%s: ioc is operational\n",
+ ioc->name, __func__);
+
+ return 0;
+}
+
+/**
* _base_handshake_req_reply_wait - send request thru doorbell interface
* @ioc: per adapter object
* @request_bytes: request length
@@ -5429,11 +5476,9 @@ mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER
*ioc,
Mpi2SasIoUnitControlRequest_t *mpi_request)
{
u16 smid;
- u32 ioc_state;
u8 issue_reset = 0;
int rc;
void *request;
- u16 wait_state_count;
dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
__func__));
@@ -5447,22 +5492,10 @@ mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER
*ioc,
goto out;
}
- wait_state_count = 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- pr_err(MPT3SAS_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- pr_info(MPT3SAS_FMT
- "%s: waiting for operational state(count=%d)\n",
- ioc->name, __func__, wait_state_count);
- }
+ rc = mpt3sas_wait_for_ioc_to_operational(ioc,
+ IOC_OPERATIONAL_WAIT_COUNT);
+ if (rc)
+ goto out;
smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
if (!smid) {
@@ -5529,11 +5562,9 @@ mpt3sas_base_scsi_enclosure_processor(struct
MPT3SAS_ADAPTER *ioc,
Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request)
{
u16 smid;
- u32 ioc_state;
u8 issue_reset = 0;
int rc;
void *request;
- u16 wait_state_count;
dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
__func__));
@@ -5547,23 +5578,10 @@ mpt3sas_base_scsi_enclosure_processor(struct
MPT3SAS_ADAPTER *ioc,
goto out;
}
- wait_state_count = 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- pr_err(MPT3SAS_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- pr_info(MPT3SAS_FMT
- "%s: waiting for operational state(count=%d)\n",
- ioc->name,
- __func__, wait_state_count);
- }
+ rc = mpt3sas_wait_for_ioc_to_operational(ioc,
+ IOC_OPERATIONAL_WAIT_COUNT);
+ if (rc)
+ goto out;
smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
if (!smid) {
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h
b/drivers/scsi/mpt3sas/mpt3sas_base.h
index 4186bc9..8b2cc66 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -139,6 +139,8 @@
#define DEFAULT_NUM_FWCHAIN_ELEMTS 8
#define FW_IMG_HDR_READ_TIMEOUT 15
+
+#define IOC_OPERATIONAL_WAIT_COUNT 10
/*
* NVMe defines
*/
@@ -1486,6 +1488,8 @@ mpt3sas_wait_for_commands_to_complete(struct
MPT3SAS_ADAPTER *ioc);
u8 mpt3sas_base_check_cmd_timeout(struct MPT3SAS_ADAPTER *ioc,
u8 status, void *mpi_request, int sz);
+int mpt3sas_wait_for_ioc_to_operational(struct MPT3SAS_ADAPTER *ioc,
+ int wait_count);
void mpt3sas_base_start_hba_unplug_watchdog(struct MPT3SAS_ADAPTER *ioc);
void mpt3sas_base_stop_hba_unplug_watchdog(struct MPT3SAS_ADAPTER *ioc);
/* scsih shared API */
diff --git a/drivers/scsi/mpt3sas/mpt3sas_config.c
b/drivers/scsi/mpt3sas/mpt3sas_config.c
index d29a2dc..5713a2d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_config.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_config.c
@@ -303,11 +303,10 @@ _config_request(struct MPT3SAS_ADAPTER *ioc,
Mpi2ConfigRequest_t
void *config_page, u16 config_page_sz)
{
u16 smid;
- u32 ioc_state;
Mpi2ConfigRequest_t *config_request;
int r;
u8 retry_count, issue_host_reset = 0;
- u16 wait_state_count;
+
struct config_request mem;
u32 ioc_status = UINT_MAX;
@@ -365,26 +364,11 @@ _config_request(struct MPT3SAS_ADAPTER *ioc,
Mpi2ConfigRequest_t
pr_info(MPT3SAS_FMT "%s: attempting retry (%d)\n",
ioc->name, __func__, retry_count);
}
- wait_state_count = 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT) {
- pr_err(MPT3SAS_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- ioc->config_cmds.status = MPT3_CMD_NOT_USED;
- r = -EFAULT;
- goto free_mem;
- }
- ssleep(1);
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- pr_info(MPT3SAS_FMT
- "%s: waiting for operational state(count=%d)\n",
- ioc->name, __func__, wait_state_count);
- }
- if (wait_state_count)
- pr_info(MPT3SAS_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
+
+ r = mpt3sas_wait_for_ioc_to_operational(ioc,
+ MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT);
+ if (r)
+ goto free_mem;
smid = mpt3sas_base_get_smid(ioc, ioc->config_cb_idx);
if (!smid) {
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index 5e8c059..a46039c 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -652,7 +652,6 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct
mpt3_ioctl_command karg,
MPI2DefaultReply_t *mpi_reply;
Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request = NULL;
struct _pcie_device *pcie_device = NULL;
- u32 ioc_state;
u16 smid;
u8 timeout;
u8 issue_reset;
@@ -665,7 +664,6 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct
mpt3_ioctl_command karg,
dma_addr_t data_in_dma = 0;
size_t data_in_sz = 0;
long ret;
- u16 wait_state_count;
u16 device_handle = MPT3SAS_INVALID_DEVICE_HANDLE;
u8 tr_method = MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE;
@@ -678,26 +676,10 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct
mpt3_ioctl_command karg,
goto out;
}
- wait_state_count = 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- pr_err(MPT3SAS_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- ret = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- pr_info(MPT3SAS_FMT
- "%s: waiting for operational state(count=%d)\n",
- ioc->name,
- __func__, wait_state_count);
- }
- if (wait_state_count)
- pr_info(MPT3SAS_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
+ ret = mpt3sas_wait_for_ioc_to_operational(ioc,
+ IOC_OPERATIONAL_WAIT_COUNT);
+ if (ret)
+ goto out;
mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL);
if (!mpi_request) {
diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c
b/drivers/scsi/mpt3sas/mpt3sas_transport.c
index f8cc267..b10d73e 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_transport.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c
@@ -299,7 +299,6 @@ _transport_expander_report_manufacture(struct
MPT3SAS_ADAPTER *ioc,
struct rep_manu_request *manufacture_request;
int rc;
u16 smid;
- u32 ioc_state;
void *psge;
u8 issue_reset = 0;
void *data_out = NULL;
@@ -307,7 +306,6 @@ _transport_expander_report_manufacture(struct
MPT3SAS_ADAPTER *ioc,
dma_addr_t data_in_dma;
size_t data_in_sz;
size_t data_out_sz;
- u16 wait_state_count;
if (ioc->shost_recovery || ioc->pci_error_recovery) {
pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
@@ -325,25 +323,10 @@ _transport_expander_report_manufacture(struct
MPT3SAS_ADAPTER *ioc,
}
ioc->transport_cmds.status = MPT3_CMD_PENDING;
- wait_state_count = 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- pr_err(MPT3SAS_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- pr_info(MPT3SAS_FMT
- "%s: waiting for operational state(count=%d)\n",
- ioc->name, __func__, wait_state_count);
- }
- if (wait_state_count)
- pr_info(MPT3SAS_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
+ rc = mpt3sas_wait_for_ioc_to_operational(ioc,
+ IOC_OPERATIONAL_WAIT_COUNT);
+ if (rc)
+ goto out;
smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx);
if (!smid) {
@@ -1089,13 +1072,11 @@ _transport_get_expander_phy_error_log(struct
MPT3SAS_ADAPTER *ioc,
struct phy_error_log_reply *phy_error_log_reply;
int rc;
u16 smid;
- u32 ioc_state;
void *psge;
u8 issue_reset = 0;
void *data_out = NULL;
dma_addr_t data_out_dma;
u32 sz;
- u16 wait_state_count;
if (ioc->shost_recovery || ioc->pci_error_recovery) {
pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
@@ -1113,25 +1094,10 @@ _transport_get_expander_phy_error_log(struct
MPT3SAS_ADAPTER *ioc,
}
ioc->transport_cmds.status = MPT3_CMD_PENDING;
- wait_state_count = 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- pr_err(MPT3SAS_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- pr_info(MPT3SAS_FMT
- "%s: waiting for operational state(count=%d)\n",
- ioc->name, __func__, wait_state_count);
- }
- if (wait_state_count)
- pr_info(MPT3SAS_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
+ rc = mpt3sas_wait_for_ioc_to_operational(ioc,
+ IOC_OPERATIONAL_WAIT_COUNT);
+ if (rc)
+ goto out;
smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx);
if (!smid) {
@@ -1402,13 +1368,11 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER
*ioc,
struct phy_control_reply *phy_control_reply;
int rc;
u16 smid;
- u32 ioc_state;
void *psge;
u8 issue_reset = 0;
void *data_out = NULL;
dma_addr_t data_out_dma;
u32 sz;
- u16 wait_state_count;
if (ioc->shost_recovery || ioc->pci_error_recovery) {
pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
@@ -1426,25 +1390,10 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER
*ioc,
}
ioc->transport_cmds.status = MPT3_CMD_PENDING;
- wait_state_count = 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- pr_err(MPT3SAS_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
- pr_info(MPT3SAS_FMT
- "%s: waiting for operational state(count=%d)\n",
- ioc->name, __func__, wait_state_count);
- }
- if (wait_state_count)
- pr_info(MPT3SAS_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
+ rc = mpt3sas_wait_for_ioc_to_operational(ioc,
+ IOC_OPERATIONAL_WAIT_COUNT);
+ if (rc)
+ goto out;
smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx);
if (!smid) {
--
1.8.3.1
