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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_scsih.c363
1 files changed, 294 insertions, 69 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index e3a7967259e..2a01a5f2a84 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -197,12 +197,12 @@ static struct pci_device_id scsih_pci_table[] = {
MODULE_DEVICE_TABLE(pci, scsih_pci_table);
/**
- * scsih_set_debug_level - global setting of ioc->logging_level.
+ * _scsih_set_debug_level - global setting of ioc->logging_level.
*
* Note: The logging levels are defined in mpt2sas_debug.h.
*/
static int
-scsih_set_debug_level(const char *val, struct kernel_param *kp)
+_scsih_set_debug_level(const char *val, struct kernel_param *kp)
{
int ret = param_set_int(val, kp);
struct MPT2SAS_ADAPTER *ioc;
@@ -215,7 +215,7 @@ scsih_set_debug_level(const char *val, struct kernel_param *kp)
ioc->logging_level = logging_level;
return 0;
}
-module_param_call(logging_level, scsih_set_debug_level, param_get_int,
+module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
&logging_level, 0644);
/**
@@ -884,6 +884,41 @@ _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
}
/**
+ * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
+ * @ioc: per adapter object
+ * @id: target id
+ * @lun: lun number
+ * @channel: channel
+ * Context: This function will acquire ioc->scsi_lookup_lock.
+ *
+ * This will search for a matching channel:id:lun in the scsi_lookup array,
+ * returning 1 if found.
+ */
+static u8
+_scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
+ unsigned int lun, int channel)
+{
+ u8 found;
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ found = 0;
+ for (i = 0 ; i < ioc->request_depth; i++) {
+ if (ioc->scsi_lookup[i].scmd &&
+ (ioc->scsi_lookup[i].scmd->device->id == id &&
+ ioc->scsi_lookup[i].scmd->device->channel == channel &&
+ ioc->scsi_lookup[i].scmd->device->lun == lun)) {
+ found = 1;
+ goto out;
+ }
+ }
+ out:
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+ return found;
+}
+
+/**
* _scsih_get_chain_buffer_dma - obtain block of chains (dma address)
* @ioc: per adapter object
* @smid: system request message index
@@ -1047,14 +1082,14 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
}
/**
- * scsih_change_queue_depth - setting device queue depth
+ * _scsih_change_queue_depth - setting device queue depth
* @sdev: scsi device struct
* @qdepth: requested queue depth
*
* Returns queue depth.
*/
static int
-scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
+_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
struct Scsi_Host *shost = sdev->host;
int max_depth;
@@ -1079,14 +1114,14 @@ scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
}
/**
- * scsih_change_queue_depth - changing device queue tag type
+ * _scsih_change_queue_depth - changing device queue tag type
* @sdev: scsi device struct
* @tag_type: requested tag type
*
* Returns queue tag type.
*/
static int
-scsih_change_queue_type(struct scsi_device *sdev, int tag_type)
+_scsih_change_queue_type(struct scsi_device *sdev, int tag_type)
{
if (sdev->tagged_supported) {
scsi_set_tag_type(sdev, tag_type);
@@ -1101,14 +1136,14 @@ scsih_change_queue_type(struct scsi_device *sdev, int tag_type)
}
/**
- * scsih_target_alloc - target add routine
+ * _scsih_target_alloc - target add routine
* @starget: scsi target struct
*
* Returns 0 if ok. Any other return is assumed to be an error and
* the device is ignored.
*/
static int
-scsih_target_alloc(struct scsi_target *starget)
+_scsih_target_alloc(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
@@ -1163,13 +1198,13 @@ scsih_target_alloc(struct scsi_target *starget)
}
/**
- * scsih_target_destroy - target destroy routine
+ * _scsih_target_destroy - target destroy routine
* @starget: scsi target struct
*
* Returns nothing.
*/
static void
-scsih_target_destroy(struct scsi_target *starget)
+_scsih_target_destroy(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
@@ -1212,14 +1247,14 @@ scsih_target_destroy(struct scsi_target *starget)
}
/**
- * scsih_slave_alloc - device add routine
+ * _scsih_slave_alloc - device add routine
* @sdev: scsi device struct
*
* Returns 0 if ok. Any other return is assumed to be an error and
* the device is ignored.
*/
static int
-scsih_slave_alloc(struct scsi_device *sdev)
+_scsih_slave_alloc(struct scsi_device *sdev)
{
struct Scsi_Host *shost;
struct MPT2SAS_ADAPTER *ioc;
@@ -1273,13 +1308,13 @@ scsih_slave_alloc(struct scsi_device *sdev)
}
/**
- * scsih_slave_destroy - device destroy routine
+ * _scsih_slave_destroy - device destroy routine
* @sdev: scsi device struct
*
* Returns nothing.
*/
static void
-scsih_slave_destroy(struct scsi_device *sdev)
+_scsih_slave_destroy(struct scsi_device *sdev)
{
struct MPT2SAS_TARGET *sas_target_priv_data;
struct scsi_target *starget;
@@ -1295,13 +1330,13 @@ scsih_slave_destroy(struct scsi_device *sdev)
}
/**
- * scsih_display_sata_capabilities - sata capabilities
+ * _scsih_display_sata_capabilities - sata capabilities
* @ioc: per adapter object
* @sas_device: the sas_device object
* @sdev: scsi device struct
*/
static void
-scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
+_scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
struct _sas_device *sas_device, struct scsi_device *sdev)
{
Mpi2ConfigReply_t mpi_reply;
@@ -1401,14 +1436,14 @@ _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
}
/**
- * scsih_slave_configure - device configure routine.
+ * _scsih_slave_configure - device configure routine.
* @sdev: scsi device struct
*
* Returns 0 if ok. Any other return is assumed to be an error and
* the device is ignored.
*/
static int
-scsih_slave_configure(struct scsi_device *sdev)
+_scsih_slave_configure(struct scsi_device *sdev)
{
struct Scsi_Host *shost = sdev->host;
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
@@ -1489,7 +1524,7 @@ scsih_slave_configure(struct scsi_device *sdev)
r_level, raid_device->handle,
(unsigned long long)raid_device->wwid,
raid_device->num_pds, ds);
- scsih_change_queue_depth(sdev, qdepth);
+ _scsih_change_queue_depth(sdev, qdepth);
return 0;
}
@@ -1532,10 +1567,10 @@ scsih_slave_configure(struct scsi_device *sdev)
sas_device->slot);
if (!ssp_target)
- scsih_display_sata_capabilities(ioc, sas_device, sdev);
+ _scsih_display_sata_capabilities(ioc, sas_device, sdev);
}
- scsih_change_queue_depth(sdev, qdepth);
+ _scsih_change_queue_depth(sdev, qdepth);
if (ssp_target)
sas_read_port_mode_page(sdev);
@@ -1543,7 +1578,7 @@ scsih_slave_configure(struct scsi_device *sdev)
}
/**
- * scsih_bios_param - fetch head, sector, cylinder info for a disk
+ * _scsih_bios_param - fetch head, sector, cylinder info for a disk
* @sdev: scsi device struct
* @bdev: pointer to block device context
* @capacity: device size (in 512 byte sectors)
@@ -1555,7 +1590,7 @@ scsih_slave_configure(struct scsi_device *sdev)
* Return nothing.
*/
static int
-scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
+_scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
sector_t capacity, int params[])
{
int heads;
@@ -1636,7 +1671,7 @@ _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
}
/**
- * scsih_tm_done - tm completion routine
+ * _scsih_tm_done - tm completion routine
* @ioc: per adapter object
* @smid: system request message index
* @VF_ID: virtual function id
@@ -1648,7 +1683,7 @@ _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
* Return nothing.
*/
static void
-scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
+_scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
{
MPI2DefaultReply_t *mpi_reply;
@@ -1823,13 +1858,13 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
}
/**
- * scsih_abort - eh threads main abort routine
+ * _scsih_abort - eh threads main abort routine
* @sdev: scsi device struct
*
* Returns SUCCESS if command aborted else FAILED
*/
static int
-scsih_abort(struct scsi_cmnd *scmd)
+_scsih_abort(struct scsi_cmnd *scmd)
{
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
struct MPT2SAS_DEVICE *sas_device_priv_data;
@@ -1889,15 +1924,86 @@ scsih_abort(struct scsi_cmnd *scmd)
return r;
}
+/**
+ * _scsih_dev_reset - eh threads main device reset routine
+ * @sdev: scsi device struct
+ *
+ * Returns SUCCESS if command aborted else FAILED
+ */
+static int
+_scsih_dev_reset(struct scsi_cmnd *scmd)
+{
+ struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
+ struct MPT2SAS_DEVICE *sas_device_priv_data;
+ struct _sas_device *sas_device;
+ unsigned long flags;
+ u16 handle;
+ int r;
+
+ printk(MPT2SAS_INFO_FMT "attempting device reset! scmd(%p)\n",
+ ioc->name, scmd);
+ scsi_print_command(scmd);
+
+ sas_device_priv_data = scmd->device->hostdata;
+ if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
+ printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n",
+ ioc->name, scmd);
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ r = SUCCESS;
+ goto out;
+ }
+
+ /* for hidden raid components obtain the volume_handle */
+ handle = 0;
+ if (sas_device_priv_data->sas_target->flags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT) {
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = _scsih_sas_device_find_by_handle(ioc,
+ sas_device_priv_data->sas_target->handle);
+ if (sas_device)
+ handle = sas_device->volume_handle;
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ } else
+ handle = sas_device_priv_data->sas_target->handle;
+
+ if (!handle) {
+ scmd->result = DID_RESET << 16;
+ r = FAILED;
+ goto out;
+ }
+
+ mutex_lock(&ioc->tm_cmds.mutex);
+ mpt2sas_scsih_issue_tm(ioc, handle, 0,
+ MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, scmd->device->lun,
+ 30);
+
+ /*
+ * sanity check see whether all commands to this device been
+ * completed
+ */
+ if (_scsih_scsi_lookup_find_by_lun(ioc, scmd->device->id,
+ scmd->device->lun, scmd->device->channel))
+ r = FAILED;
+ else
+ r = SUCCESS;
+ ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
+ mutex_unlock(&ioc->tm_cmds.mutex);
+
+ out:
+ printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n",
+ ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
+ return r;
+}
/**
- * scsih_dev_reset - eh threads main device reset routine
+ * _scsih_target_reset - eh threads main target reset routine
* @sdev: scsi device struct
*
* Returns SUCCESS if command aborted else FAILED
*/
static int
-scsih_dev_reset(struct scsi_cmnd *scmd)
+_scsih_target_reset(struct scsi_cmnd *scmd)
{
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
struct MPT2SAS_DEVICE *sas_device_priv_data;
@@ -1912,7 +2018,7 @@ scsih_dev_reset(struct scsi_cmnd *scmd)
sas_device_priv_data = scmd->device->hostdata;
if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n",
+ printk(MPT2SAS_INFO_FMT "target been deleted! scmd(%p)\n",
ioc->name, scmd);
scmd->result = DID_NO_CONNECT << 16;
scmd->scsi_done(scmd);
@@ -1962,13 +2068,13 @@ scsih_dev_reset(struct scsi_cmnd *scmd)
}
/**
- * scsih_abort - eh threads main host reset routine
+ * _scsih_abort - eh threads main host reset routine
* @sdev: scsi device struct
*
* Returns SUCCESS if command aborted else FAILED
*/
static int
-scsih_host_reset(struct scsi_cmnd *scmd)
+_scsih_host_reset(struct scsi_cmnd *scmd)
{
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
int r, retval;
@@ -2390,7 +2496,107 @@ mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
}
/**
- * scsih_qcmd - main scsi request entry point
+ * _scsih_setup_eedp - setup MPI request for EEDP transfer
+ * @scmd: pointer to scsi command object
+ * @mpi_request: pointer to the SCSI_IO reqest message frame
+ *
+ * Supporting protection 1 and 3.
+ *
+ * Returns nothing
+ */
+static void
+_scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
+{
+ u16 eedp_flags;
+ unsigned char prot_op = scsi_get_prot_op(scmd);
+ unsigned char prot_type = scsi_get_prot_type(scmd);
+
+ if (prot_type == SCSI_PROT_DIF_TYPE0 ||
+ prot_type == SCSI_PROT_DIF_TYPE2 ||
+ prot_op == SCSI_PROT_NORMAL)
+ return;
+
+ if (prot_op == SCSI_PROT_READ_STRIP)
+ eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
+ else if (prot_op == SCSI_PROT_WRITE_INSERT)
+ eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
+ else
+ return;
+
+ mpi_request->EEDPBlockSize = scmd->device->sector_size;
+
+ switch (prot_type) {
+ case SCSI_PROT_DIF_TYPE1:
+
+ /*
+ * enable ref/guard checking
+ * auto increment ref tag
+ */
+ mpi_request->EEDPFlags = eedp_flags |
+ MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
+ MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
+ MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
+ mpi_request->CDB.EEDP32.PrimaryReferenceTag =
+ cpu_to_be32(scsi_get_lba(scmd));
+
+ break;
+
+ case SCSI_PROT_DIF_TYPE3:
+
+ /*
+ * enable guard checking
+ */
+ mpi_request->EEDPFlags = eedp_flags |
+ MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
+
+ break;
+ }
+}
+
+/**
+ * _scsih_eedp_error_handling - return sense code for EEDP errors
+ * @scmd: pointer to scsi command object
+ * @ioc_status: ioc status
+ *
+ * Returns nothing
+ */
+static void
+_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
+{
+ u8 ascq;
+ u8 sk;
+ u8 host_byte;
+
+ switch (ioc_status) {
+ case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
+ ascq = 0x01;
+ break;
+ case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
+ ascq = 0x02;
+ break;
+ case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
+ ascq = 0x03;
+ break;
+ default:
+ ascq = 0x00;
+ break;
+ }
+
+ if (scmd->sc_data_direction == DMA_TO_DEVICE) {
+ sk = ILLEGAL_REQUEST;
+ host_byte = DID_ABORT;
+ } else {
+ sk = ABORTED_COMMAND;
+ host_byte = DID_OK;
+ }
+
+ scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq);
+ scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) |
+ SAM_STAT_CHECK_CONDITION;
+}
+
+/**
+ * _scsih_qcmd - main scsi request entry point
* @scmd: pointer to scsi command object
* @done: function pointer to be invoked on completion
*
@@ -2401,7 +2607,7 @@ mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
* SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
*/
static int
-scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
+_scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
{
struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
struct MPT2SAS_DEVICE *sas_device_priv_data;
@@ -2470,6 +2676,7 @@ scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
}
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
+ _scsih_setup_eedp(scmd, mpi_request);
mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
if (sas_device_priv_data->sas_target->flags &
MPT_TARGET_FLAGS_RAID_COMPONENT)
@@ -2604,6 +2811,15 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
desc_ioc_state = "scsi ext terminated";
break;
+ case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
+ desc_ioc_state = "eedp guard error";
+ break;
+ case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
+ desc_ioc_state = "eedp ref tag error";
+ break;
+ case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
+ desc_ioc_state = "eedp app tag error";
+ break;
default:
desc_ioc_state = "unknown";
break;
@@ -2783,7 +2999,7 @@ _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
}
/**
- * scsih_io_done - scsi request callback
+ * _scsih_io_done - scsi request callback
* @ioc: per adapter object
* @smid: system request message index
* @VF_ID: virtual function id
@@ -2794,7 +3010,7 @@ _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
* Return nothing.
*/
static void
-scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
+_scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
{
Mpi2SCSIIORequest_t *mpi_request;
Mpi2SCSIIOReply_t *mpi_reply;
@@ -2939,6 +3155,11 @@ scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
scmd->result = DID_RESET << 16;
break;
+ case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
+ case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
+ case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
+ _scsih_eedp_error_handling(scmd, ioc_status);
+ break;
case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
case MPI2_IOCSTATUS_INVALID_FUNCTION:
case MPI2_IOCSTATUS_INVALID_SGL:
@@ -5130,18 +5351,19 @@ static struct scsi_host_template scsih_driver_template = {
.module = THIS_MODULE,
.name = "Fusion MPT SAS Host",
.proc_name = MPT2SAS_DRIVER_NAME,
- .queuecommand = scsih_qcmd,
- .target_alloc = scsih_target_alloc,
- .slave_alloc = scsih_slave_alloc,
- .slave_configure = scsih_slave_configure,
- .target_destroy = scsih_target_destroy,
- .slave_destroy = scsih_slave_destroy,
- .change_queue_depth = scsih_change_queue_depth,
- .change_queue_type = scsih_change_queue_type,
- .eh_abort_handler = scsih_abort,
- .eh_device_reset_handler = scsih_dev_reset,
- .eh_host_reset_handler = scsih_host_reset,
- .bios_param = scsih_bios_param,
+ .queuecommand = _scsih_qcmd,
+ .target_alloc = _scsih_target_alloc,
+ .slave_alloc = _scsih_slave_alloc,
+ .slave_configure = _scsih_slave_configure,
+ .target_destroy = _scsih_target_destroy,
+ .slave_destroy = _scsih_slave_destroy,
+ .change_queue_depth = _scsih_change_queue_depth,
+ .change_queue_type = _scsih_change_queue_type,
+ .eh_abort_handler = _scsih_abort,
+ .eh_device_reset_handler = _scsih_dev_reset,
+ .eh_target_reset_handler = _scsih_target_reset,
+ .eh_host_reset_handler = _scsih_host_reset,
+ .bios_param = _scsih_bios_param,
.can_queue = 1,
.this_id = -1,
.sg_tablesize = MPT2SAS_SG_DEPTH,
@@ -5228,13 +5450,13 @@ _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
}
/**
- * scsih_remove - detach and remove add host
+ * _scsih_remove - detach and remove add host
* @pdev: PCI device struct
*
* Return nothing.
*/
static void __devexit
-scsih_remove(struct pci_dev *pdev)
+_scsih_remove(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
@@ -5442,14 +5664,14 @@ _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
}
/**
- * scsih_probe - attach and add scsi host
+ * _scsih_probe - attach and add scsi host
* @pdev: PCI device struct
* @id: pci device id
*
* Returns 0 success, anything else error.
*/
static int
-scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct MPT2SAS_ADAPTER *ioc;
struct Scsi_Host *shost;
@@ -5503,6 +5725,9 @@ scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto out_add_shost_fail;
}
+ scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
+ | SHOST_DIF_TYPE3_PROTECTION);
+
/* event thread */
snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
"fw_event%d", ioc->id);
@@ -5536,14 +5761,14 @@ scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
#ifdef CONFIG_PM
/**
- * scsih_suspend - power management suspend main entry point
+ * _scsih_suspend - power management suspend main entry point
* @pdev: PCI device struct
* @state: PM state change to (usually PCI_D3)
*
* Returns 0 success, anything else error.
*/
static int
-scsih_suspend(struct pci_dev *pdev, pm_message_t state)
+_scsih_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
@@ -5564,13 +5789,13 @@ scsih_suspend(struct pci_dev *pdev, pm_message_t state)
}
/**
- * scsih_resume - power management resume main entry point
+ * _scsih_resume - power management resume main entry point
* @pdev: PCI device struct
*
* Returns 0 success, anything else error.
*/
static int
-scsih_resume(struct pci_dev *pdev)
+_scsih_resume(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
@@ -5599,22 +5824,22 @@ scsih_resume(struct pci_dev *pdev)
static struct pci_driver scsih_driver = {
.name = MPT2SAS_DRIVER_NAME,
.id_table = scsih_pci_table,
- .probe = scsih_probe,
- .remove = __devexit_p(scsih_remove),
+ .probe = _scsih_probe,
+ .remove = __devexit_p(_scsih_remove),
#ifdef CONFIG_PM
- .suspend = scsih_suspend,
- .resume = scsih_resume,
+ .suspend = _scsih_suspend,
+ .resume = _scsih_resume,
#endif
};
/**
- * scsih_init - main entry point for this driver.
+ * _scsih_init - main entry point for this driver.
*
* Returns 0 success, anything else error.
*/
static int __init
-scsih_init(void)
+_scsih_init(void)
{
int error;
@@ -5630,10 +5855,10 @@ scsih_init(void)
mpt2sas_base_initialize_callback_handler();
/* queuecommand callback hander */
- scsi_io_cb_idx = mpt2sas_base_register_callback_handler(scsih_io_done);
+ scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
/* task managment callback handler */
- tm_cb_idx = mpt2sas_base_register_callback_handler(scsih_tm_done);
+ tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
/* base internal commands callback handler */
base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
@@ -5659,12 +5884,12 @@ scsih_init(void)
}
/**
- * scsih_exit - exit point for this driver (when it is a module).
+ * _scsih_exit - exit point for this driver (when it is a module).
*
* Returns 0 success, anything else error.
*/
static void __exit
-scsih_exit(void)
+_scsih_exit(void)
{
printk(KERN_INFO "mpt2sas version %s unloading\n",
MPT2SAS_DRIVER_VERSION);
@@ -5682,5 +5907,5 @@ scsih_exit(void)
mpt2sas_ctl_exit();
}
-module_init(scsih_init);
-module_exit(scsih_exit);
+module_init(_scsih_init);
+module_exit(_scsih_exit);