When device missing event arrives, device_remove_in_progress bit will be
set and hence driver has to stop sending IOCTL commands.Now the check has
been added in IOCTL path to test device_remove_in_progress bit is set, if
so then IOCTL will be failed printing failure message.
Signed-off-by: Chaitra P B
Signed-off-by: Sathya Prakash
Signed-off-by: Suganath Prabu S
---
drivers/scsi/mpt3sas/mpt3sas_base.c | 19 +++
drivers/scsi/mpt3sas/mpt3sas_base.h | 5
drivers/scsi/mpt3sas/mpt3sas_ctl.c | 46 ++--
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 24 ++-
4 files changed, 86 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c
b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 4ea81e1..9ad7f7c 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -5334,6 +5334,21 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
goto out_free_resources;
}
+ /* allocate memory for pending OS device add list */
+ ioc->pend_os_device_add_sz = (ioc->facts.MaxDevHandle / 8);
+ if (ioc->facts.MaxDevHandle % 8)
+ ioc->pend_os_device_add_sz++;
+ ioc->pend_os_device_add = kzalloc(ioc->pend_os_device_add_sz,
+ GFP_KERNEL);
+ if (!ioc->pend_os_device_add)
+ goto out_free_resources;
+
+ ioc->device_remove_in_progress_sz = ioc->pend_os_device_add_sz;
+ ioc->device_remove_in_progress =
+ kzalloc(ioc->device_remove_in_progress_sz, GFP_KERNEL);
+ if (!ioc->device_remove_in_progress)
+ goto out_free_resources;
+
ioc->fwfault_debug = mpt3sas_fwfault_debug;
/* base internal command bits */
@@ -5416,6 +5431,8 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
kfree(ioc->reply_post_host_index);
kfree(ioc->pd_handles);
kfree(ioc->blocking_handles);
+ kfree(ioc->device_remove_in_progress);
+ kfree(ioc->pend_os_device_add);
kfree(ioc->tm_cmds.reply);
kfree(ioc->transport_cmds.reply);
kfree(ioc->scsih_cmds.reply);
@@ -5457,6 +5474,8 @@ mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc)
kfree(ioc->reply_post_host_index);
kfree(ioc->pd_handles);
kfree(ioc->blocking_handles);
+ kfree(ioc->device_remove_in_progress);
+ kfree(ioc->pend_os_device_add);
kfree(ioc->pfacts);
kfree(ioc->ctl_cmds.reply);
kfree(ioc->ctl_cmds.sense);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h
b/drivers/scsi/mpt3sas/mpt3sas_base.h
index 3e71bc1..4221a4d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -1079,6 +1079,9 @@ struct MPT3SAS_ADAPTER {
void*pd_handles;
u16 pd_handles_sz;
+ void*pend_os_device_add;
+ u16 pend_os_device_add_sz;
+
/* config page */
u16 config_page_sz;
void*config_page;
@@ -1187,6 +1190,8 @@ struct MPT3SAS_ADAPTER {
struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
+ void*device_remove_in_progress;
+ u16 device_remove_in_progress_sz;
};
typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8
msix_index,
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index 26cdc12..de720c9 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -654,6 +654,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct
mpt3_ioctl_command karg,
size_t data_in_sz = 0;
long ret;
u16 wait_state_count;
+ u16 device_handle = MPT3SAS_INVALID_DEVICE_HANDLE;
issue_reset = 0;
@@ -738,10 +739,13 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct
mpt3_ioctl_command karg,
data_in_sz = karg.data_in_size;
if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
- mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
- if (!le16_to_cpu(mpi_request->FunctionDependent1) ||
- le16_to_cpu(mpi_request->FunctionDependent1) >
- ioc->facts.MaxDevHandle) {
+ mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
+ mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT ||
+ mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH) {
+
+ device_handle = le16_to_cpu(mpi_request->FunctionDependent1);
+ if (!device_handle || (device_handle >
+ ioc->facts.MaxDevHandle)) {
ret = -EINVAL;
mpt3sas_base_free_smid(ioc, smid);
goto out;
@@ -797,12 +801,18 @@ _ctl_do_mpt_command(struct M