[PATCH 1/7] scsi: Use Scsi_Host as argument for eh_host_reset_handler

Hannes Reinecke
2022-05-02T22:01:55Z

Issuing a host reset should not rely on any commands.
So use Scsi_Host as argument for eh_host_reset_handler.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
---
Documentation/scsi/scsi_eh.rst | 2 +-
Documentation/scsi/scsi_mid_low_api.rst | 4 +-
drivers/infiniband/ulp/srp/ib_srp.c | 6 +--
drivers/message/fusion/mptscsih.c | 19 +++++----
drivers/message/fusion/mptscsih.h | 2 +-
drivers/s390/scsi/zfcp_scsi.c | 3 +-
drivers/scsi/3w-9xxx.c | 11 +++---
drivers/scsi/3w-sas.c | 11 +++---
drivers/scsi/3w-xxxx.c | 11 +++---
drivers/scsi/53c700.c | 39 ++++++++++---------
drivers/scsi/BusLogic.c | 14 ++-----
drivers/scsi/NCR5380.c | 3 +-
drivers/scsi/aacraid/linit.c | 6 +--
drivers/scsi/advansys.c | 26 +++++++------
drivers/scsi/aha1542.c | 20 +++++-----
drivers/scsi/arm/acornscsi.c | 8 ++--
drivers/scsi/arm/fas216.c | 4 +-
drivers/scsi/arm/fas216.h | 6 +--
drivers/scsi/atari_scsi.c | 4 +-
drivers/scsi/cxlflash/main.c | 5 +--
drivers/scsi/dpt_i2o.c | 14 +++----
drivers/scsi/dpti.h | 2 +-
drivers/scsi/esas2r/esas2r.h | 2 +-
drivers/scsi/esas2r/esas2r_main.c | 16 ++++----
drivers/scsi/esp_scsi.c | 4 +-
drivers/scsi/fdomain.c | 3 +-
drivers/scsi/fnic/fnic.h | 2 +-
drivers/scsi/fnic/fnic_scsi.c | 3 +-
drivers/scsi/hptiop.c | 6 +--
drivers/scsi/ibmvscsi/ibmvfc.c | 4 +-
drivers/scsi/ibmvscsi/ibmvscsi.c | 4 +-
drivers/scsi/imm.c | 4 +-
drivers/scsi/ipr.c | 4 +-
drivers/scsi/ips.c | 22 ++++-------
drivers/scsi/libfc/fc_fcp.c | 5 +--
drivers/scsi/lpfc/lpfc_scsi.c | 3 +-
drivers/scsi/mac53c94.c | 8 ++--
drivers/scsi/megaraid.c | 4 +-
drivers/scsi/megaraid.h | 2 +-
drivers/scsi/megaraid/megaraid_mbox.c | 14 ++-----
drivers/scsi/megaraid/megaraid_sas_base.c | 34 ++++++++--------
drivers/scsi/mesh.c | 10 ++---
drivers/scsi/mpi3mr/mpi3mr_os.c | 12 +++---
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 11 +++---
drivers/scsi/mvumi.c | 7 ++--
drivers/scsi/myrb.c | 3 +-
drivers/scsi/myrs.c | 3 +-
drivers/scsi/nsp32.c | 12 +++---
drivers/scsi/pcmcia/nsp_cs.c | 4 +-
drivers/scsi/pcmcia/nsp_cs.h | 2 +-
drivers/scsi/pcmcia/qlogic_stub.c | 4 +-
drivers/scsi/pcmcia/sym53c500_cs.c | 8 ++--
drivers/scsi/pmcraid.c | 6 +--
drivers/scsi/ppa.c | 4 +-
drivers/scsi/qedf/qedf_main.c | 4 +-
drivers/scsi/qedi/qedi_iscsi.c | 3 +-
drivers/scsi/qla1280.c | 3 +-
drivers/scsi/qla2xxx/qla_os.c | 18 +++------
drivers/scsi/qla4xxx/ql4_os.c | 18 ++++-----
drivers/scsi/qlogicfas408.c | 10 ++---
drivers/scsi/qlogicfas408.h | 2 +-
drivers/scsi/qlogicpti.c | 3 +-
drivers/scsi/scsi_debug.c | 8 ++--
drivers/scsi/scsi_error.c | 2 +-
drivers/scsi/snic/snic.h | 3 +-
drivers/scsi/snic/snic_scsi.c | 37 ++++--------------
drivers/scsi/stex.c | 7 ++--
drivers/scsi/storvsc_drv.c | 4 +-
drivers/scsi/sym53c8xx_2/sym_glue.c | 3 +-
drivers/scsi/ufs/ufshcd.c | 6 +--
drivers/scsi/vmw_pvscsi.c | 5 +--
drivers/scsi/wd33c93.c | 5 +--
drivers/scsi/wd33c93.h | 2 +-
drivers/scsi/wd719x.c | 4 +-
.../staging/unisys/visorhba/visorhba_main.c | 4 +-
drivers/usb/image/microtek.c | 4 +-
include/scsi/libfc.h | 2 +-
include/scsi/scsi_host.h | 2 +-
78 files changed, 269 insertions(+), 340 deletions(-)

diff --git a/Documentation/scsi/scsi_eh.rst b/Documentation/scsi/scsi_eh.rst
index 885395dc1f15..12113cca5ad9 100644
--- a/Documentation/scsi/scsi_eh.rst
+++ b/Documentation/scsi/scsi_eh.rst
@@ -215,7 +215,7 @@ considered to fail always.
int (* eh_abort_handler)(struct scsi_cmnd *);
int (* eh_device_reset_handler)(struct scsi_cmnd *);
int (* eh_bus_reset_handler)(struct scsi_cmnd *);
- int (* eh_host_reset_handler)(struct scsi_cmnd *);
+ int (* eh_host_reset_handler)(struct Scsi_Host *);

Higher-severity actions are taken only when lower-severity actions
cannot recover some of failed scmds. Also, note that failure of the
diff --git a/Documentation/scsi/scsi_mid_low_api.rst b/Documentation/scsi/scsi_mid_low_api.rst
index 63ddea2b9640..784587ea7eee 100644
--- a/Documentation/scsi/scsi_mid_low_api.rst
+++ b/Documentation/scsi/scsi_mid_low_api.rst
@@ -777,7 +777,7 @@ Details::

/**
* eh_host_reset_handler - reset host (host bus adapter)
- * @scp: SCSI host that contains this device should be reset
+ * @shp: SCSI host that contains this device should be reset
*
* Returns SUCCESS if command aborted else FAILED
*
@@ -794,7 +794,7 @@ Details::
*
* Optionally defined in: LLD
**/
- int eh_host_reset_handler(struct scsi_cmnd * scp)
+ int eh_host_reset_handler(struct Scsi_Host * shp)

/**
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 285b766e4e70..de901dee6935 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2842,11 +2842,11 @@ static int srp_reset_device(struct scsi_cmnd *scmnd)
return SUCCESS;
}

-static int srp_reset_host(struct scsi_cmnd *scmnd)
+static int srp_reset_host(struct Scsi_Host *shost)
{
- struct srp_target_port *target = host_to_target(scmnd->device->host);
+ struct srp_target_port *target = host_to_target(shost);

- shost_printk(KERN_ERR, target->scsi_host, PFX "SRP reset_host called\n");
+ shost_printk(KERN_ERR, shost, PFX "SRP reset_host called\n");

return srp_reconnect_rport(target->rport) == 0 ? SUCCESS : FAILED;
}
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index ed21cc4d2c77..3df07e024026 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1956,15 +1956,15 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt)

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
- * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
- * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
+ * mptscsih_host_reset - Perform a SCSI host adapter RESET
+ * @sh: Pointer to Scsi_Host structure, which is reset due to
*
* (linux scsi_host_template.eh_host_reset_handler routine)
*
* Returns SUCCESS or FAILED.
*/
int
-mptscsih_host_reset(struct scsi_cmnd *SCpnt)
+mptscsih_host_reset(struct Scsi_Host *sh)
{
MPT_SCSI_HOST * hd;
int status = SUCCESS;
@@ -1972,9 +1972,8 @@ mptscsih_host_reset(struct scsi_cmnd *SCpnt)
int retval;

/* If we can't locate the host to reset, then we failed. */
- if ((hd = shost_priv(SCpnt->device->host)) == NULL){
- printk(KERN_ERR MYNAM ": host reset: "
- "Can't locate host! (sc=%p)\n", SCpnt);
+ if ((hd = shost_priv(sh)) == NULL){
+ printk(KERN_ERR MYNAM ": host reset: Can't locate host!\n");
return FAILED;
}

@@ -1982,8 +1981,8 @@ mptscsih_host_reset(struct scsi_cmnd *SCpnt)
mptscsih_flush_running_cmds(hd);

ioc = hd->ioc;
- printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
- ioc->name, SCpnt);
+ printk(MYIOC_s_INFO_FMT "attempting host reset!\n",
+ ioc->name);

/* If our attempts to reset the host failed, then return a failed
* status. The host will be taken off line by the SCSI mid-layer.
@@ -1994,8 +1993,8 @@ mptscsih_host_reset(struct scsi_cmnd *SCpnt)
else
status = SUCCESS;

- printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
- ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+ printk(MYIOC_s_INFO_FMT "host reset: %s\n",
+ ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ));

return status;
}
diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h
index e3d92c392673..0faefe9c7541 100644
--- a/drivers/message/fusion/mptscsih.h
+++ b/drivers/message/fusion/mptscsih.h
@@ -122,7 +122,7 @@ extern int mptscsih_abort(struct scsi_cmnd * SCpnt);
extern int mptscsih_dev_reset(struct scsi_cmnd * SCpnt);
extern int mptscsih_target_reset(struct scsi_cmnd * SCpnt);
extern int mptscsih_bus_reset(struct scsi_cmnd * SCpnt);
-extern int mptscsih_host_reset(struct scsi_cmnd *SCpnt);
+extern int mptscsih_host_reset(struct Scsi_Host *sh);
extern int mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, sector_t capacity, int geom[]);
extern int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
extern int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index fb2b73fca381..873ccc60e4d6 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -371,9 +371,8 @@ static int zfcp_scsi_eh_target_reset_handler(struct scsi_cmnd *scpnt)
return ret;
}

-static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
+static int zfcp_scsi_eh_host_reset_handler(struct Scsi_Host *host)
{
- struct Scsi_Host *host = scpnt->device->host;
struct zfcp_adapter *adapter = (struct zfcp_adapter *)host->hostdata[0];
int ret = SUCCESS;
unsigned long flags;
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index cd823ff5deab..61af5c5eaccb 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1717,18 +1717,19 @@ static int twa_scsi_biosparam(struct scsi_device *sdev, struct block_device *bde
} /* End twa_scsi_biosparam() */

/* This is the new scsi eh reset function */
-static int twa_scsi_eh_reset(struct scsi_cmnd *SCpnt)
+static int twa_scsi_eh_reset(struct Scsi_Host *shost)
{
TW_Device_Extension *tw_dev = NULL;
int retval = FAILED;

- tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata;
+ tw_dev = (TW_Device_Extension *)shost->hostdata;

tw_dev->num_resets++;

- sdev_printk(KERN_WARNING, SCpnt->device,
- "WARNING: (0x%02X:0x%04X): Command (0x%x) timed out, resetting card.\n",
- TW_DRIVER, 0x2c, SCpnt->cmnd[0]);
+ shost_printk(KERN_WARNING, shost,
+ "WARNING: (0x%02X:0x%04X): "
+ "Command timed out, resetting card.\n",
+ TW_DRIVER, 0x2c);

/* Make sure we are not issuing an ioctl or resetting from ioctl */
mutex_lock(&tw_dev->ioctl_lock);
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index 3ebe66151dcb..c4d1ebf15700 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -1423,18 +1423,19 @@ static int twl_scsi_biosparam(struct scsi_device *sdev, struct block_device *bde
} /* End twl_scsi_biosparam() */

/* This is the new scsi eh reset function */
-static int twl_scsi_eh_reset(struct scsi_cmnd *SCpnt)
+static int twl_scsi_eh_reset(struct Scsi_Host *shost)
{
TW_Device_Extension *tw_dev = NULL;
int retval = FAILED;

- tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata;
+ tw_dev = (TW_Device_Extension *)shost->hostdata;

tw_dev->num_resets++;

- sdev_printk(KERN_WARNING, SCpnt->device,
- "WARNING: (0x%02X:0x%04X): Command (0x%x) timed out, resetting card.\n",
- TW_DRIVER, 0x2c, SCpnt->cmnd[0]);
+ shost_printk(KERN_WARNING, shost,
+ "WARNING: (0x%02X:0x%04X): "
+ "Command timed out, resetting card.\n",
+ TW_DRIVER, 0x2c);

/* Make sure we are not issuing an ioctl or resetting from ioctl */
mutex_lock(&tw_dev->ioctl_lock);
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index a853c5497af6..8c5f37563515 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1366,25 +1366,24 @@ static int tw_scsi_biosparam(struct scsi_device *sdev, struct block_device *bdev
} /* End tw_scsi_biosparam() */

/* This is the new scsi eh reset function */
-static int tw_scsi_eh_reset(struct scsi_cmnd *SCpnt)
+static int tw_scsi_eh_reset(struct Scsi_Host *shost)
{
TW_Device_Extension *tw_dev=NULL;
int retval = FAILED;

- tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata;
+ tw_dev = (TW_Device_Extension *)shost->hostdata;

tw_dev->num_resets++;

- sdev_printk(KERN_WARNING, SCpnt->device,
- "WARNING: Command (0x%x) timed out, resetting card.\n",
- SCpnt->cmnd[0]);
+ shost_printk(KERN_WARNING, shost,
+ "WARNING: Command timed out, resetting card.\n");

/* Make sure we are not issuing an ioctl or resetting from ioctl */
mutex_lock(&tw_dev->ioctl_lock);

/* Now reset the card and some of the device extension data */
if (tw_reset_device_extension(tw_dev)) {
- printk(KERN_WARNING "3w-xxxx: scsi%d: Reset failed.\n", tw_dev->host->host_no);
+ shost_printk(KERN_WARNING, shost, "Reset failed.\n");
goto out;
}

diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index e1e4f9d10887..6a44a0795bb5 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -155,7 +155,7 @@ MODULE_LICENSE("GPL");

STATIC int NCR_700_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *);
STATIC int NCR_700_abort(struct scsi_cmnd * SCpnt);
-STATIC int NCR_700_host_reset(struct scsi_cmnd * SCpnt);
+STATIC int NCR_700_host_reset(struct Scsi_Host *host);
STATIC void NCR_700_chip_setup(struct Scsi_Host *host);
STATIC void NCR_700_chip_reset(struct Scsi_Host *host);
STATIC int NCR_700_slave_alloc(struct scsi_device *SDpnt);
@@ -1934,40 +1934,41 @@ NCR_700_abort(struct scsi_cmnd * SCp)
}

STATIC int
-NCR_700_host_reset(struct scsi_cmnd * SCp)
+NCR_700_host_reset(struct Scsi_Host * host)
{
DECLARE_COMPLETION_ONSTACK(complete);
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata =
+ (struct NCR_700_Host_Parameters *)host->hostdata[0];

- scmd_printk(KERN_INFO, SCp,
- "New error handler wants HOST reset, cmd %p\n\t", SCp);
- scsi_print_command(SCp);
+ shost_printk(KERN_INFO, host,
+ "New error handler wants HOST reset\n");

/* In theory, eh_complete should always be null because the
* eh is single threaded, but just in case we're handling a
* reset via sg or something */
- spin_lock_irq(SCp->device->host->host_lock);
+ spin_lock_irq(host->host_lock);
while (hostdata->eh_complete != NULL) {
- spin_unlock_irq(SCp->device->host->host_lock);
+ spin_unlock_irq(host->host_lock);
msleep_interruptible(100);
- spin_lock_irq(SCp->device->host->host_lock);
+ spin_lock_irq(host->host_lock);
}

hostdata->eh_complete = &complete;
- NCR_700_internal_bus_reset(SCp->device->host);
- NCR_700_chip_reset(SCp->device->host);
+ NCR_700_internal_bus_reset(host);
+ NCR_700_chip_reset(host);

- spin_unlock_irq(SCp->device->host->host_lock);
+ spin_unlock_irq(host->host_lock);
wait_for_completion(&complete);
- spin_lock_irq(SCp->device->host->host_lock);
+ spin_lock_irq(host->host_lock);

hostdata->eh_complete = NULL;
- /* Revalidate the transport parameters of the failing device */
- if(hostdata->fast)
- spi_schedule_dv_device(SCp->device);
-
- spin_unlock_irq(SCp->device->host->host_lock);
+ /* Revalidate the transport parameters for attached devices */
+ if(hostdata->fast) {
+ struct scsi_device *sdev;
+ __shost_for_each_device(sdev, host)
+ spi_schedule_dv_device(sdev);
+ }
+ spin_unlock_irq(host->host_lock);
return SUCCESS;
}

diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index a897c8f914cf..62c3aa7570ab 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -2843,21 +2843,15 @@ static bool blogic_write_outbox(struct blogic_adapter *adapter,

/* Error Handling (EH) support */

-static int blogic_hostreset(struct scsi_cmnd *SCpnt)
+static int blogic_hostreset(struct Scsi_Host *shost)
{
struct blogic_adapter *adapter =
- (struct blogic_adapter *) SCpnt->device->host->hostdata;
-
- unsigned int id = SCpnt->device->id;
- struct blogic_tgt_stats *stats = &adapter->tgt_stats[id];
+ (struct blogic_adapter *) shost->hostdata;
int rc;

- spin_lock_irq(SCpnt->device->host->host_lock);
-
- blogic_inc_count(&stats->adapter_reset_req);
-
+ spin_lock_irq(shost->host_lock);
rc = blogic_resetadapter(adapter, false);
- spin_unlock_irq(SCpnt->device->host->host_lock);
+ spin_unlock_irq(shost->host_lock);
return rc;
}

diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index dece7d9eb4d3..6704415fb1c2 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -2379,9 +2379,8 @@ static void bus_reset_cleanup(struct Scsi_Host *instance)
* Returns SUCCESS
*/

-static int NCR5380_host_reset(struct scsi_cmnd *cmd)
+static int NCR5380_host_reset(struct Scsi_Host *instance)
{
- struct Scsi_Host *instance = cmd->device->host;
struct NCR5380_hostdata *hostdata = shost_priv(instance);
unsigned long flags;
struct NCR5380_cmd *ncmd;
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 9c27bc37e5de..19a012c9a3c9 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1078,13 +1078,11 @@ static int aac_eh_bus_reset(struct scsi_cmnd* cmd)

/*
* aac_eh_host_reset - Host reset command handling
- * @scsi_cmd: SCSI command block causing the reset
+ * @host: SCSI host to be reset
*
*/
-static int aac_eh_host_reset(struct scsi_cmnd *cmd)
+static int aac_eh_host_reset(struct Scsi_Host *host)
{
- struct scsi_device * dev = cmd->device;
- struct Scsi_Host * host = dev->host;
struct aac_dev * aac = (struct aac_dev *)host->hostdata;
int ret = FAILED;
__le32 supported_options2 = 0;
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index f301aec044bb..0b7fcf7f9624 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -7016,9 +7016,8 @@ static int AscISR(ASC_DVC_VAR *asc_dvc)
* sleeping is allowed and no locking other than for host structures is
* required. Returns SUCCESS or FAILED.
*/
-static int advansys_reset(struct scsi_cmnd *scp)
+static int advansys_reset(struct Scsi_Host *shost)
{
- struct Scsi_Host *shost = scp->device->host;
struct asc_board *boardp = shost_priv(shost);
unsigned long flags;
int status;
@@ -7028,7 +7027,7 @@ static int advansys_reset(struct scsi_cmnd *scp)

ASC_STATS(shost, reset);

- scmd_printk(KERN_INFO, scp, "SCSI host reset started...\n");
+ shost_printk(KERN_INFO, shost, "SCSI host reset started...\n");

if (ASC_NARROW_BOARD(boardp)) {
ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
@@ -7039,16 +7038,18 @@ static int advansys_reset(struct scsi_cmnd *scp)

/* Refer to ASC_IERR_* definitions for meaning of 'err_code'. */
if (asc_dvc->err_code || !asc_dvc->overrun_dma) {
- scmd_printk(KERN_INFO, scp, "SCSI host reset error: "
- "0x%x, status: 0x%x\n", asc_dvc->err_code,
+ shost_printk(KERN_INFO, shost,
+ "SCSI host reset error: 0x%x, status: 0x%x\n",
+ asc_dvc->err_code,
status);
ret = FAILED;
} else if (status) {
- scmd_printk(KERN_INFO, scp, "SCSI host reset warning: "
- "0x%x\n", status);
+ shost_printk(KERN_INFO, shost,
+ "SCSI host reset warning: 0x%x\n",
+ status);
} else {
- scmd_printk(KERN_INFO, scp, "SCSI host reset "
- "successful\n");
+ shost_printk(KERN_INFO, shost,
+ "SCSI host reset successful\n");
}

ASC_DBG(1, "after AscInitAsc1000Driver()\n");
@@ -7065,12 +7066,13 @@ static int advansys_reset(struct scsi_cmnd *scp)
ASC_DBG(1, "before AdvResetChipAndSB()\n");
switch (AdvResetChipAndSB(adv_dvc)) {
case ASC_TRUE:
- scmd_printk(KERN_INFO, scp, "SCSI host reset "
- "successful\n");
+ shost_printk(KERN_INFO, shost,
+ "SCSI host reset successful\n");
break;
case ASC_FALSE:
default:
- scmd_printk(KERN_INFO, scp, "SCSI host reset error\n");
+ shost_printk(KERN_INFO, shost,
+ "SCSI host reset error\n");
ret = FAILED;
break;
}
diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index cf7bba2ca68d..69063fe4aab8 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -913,15 +913,14 @@ static int aha1542_dev_reset(struct scsi_cmnd *cmd)
aha1542_outb(sh->io_port, CMD_START_SCSI);
spin_unlock_irqrestore(sh->host_lock, flags);

- scmd_printk(KERN_WARNING, cmd,
+ sdev_printk(KERN_WARNING, sdev,
"Trying device reset for target\n");

return SUCCESS;
}

-static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)
+static int aha1542_reset(struct Scsi_Host *sh, u8 reset_cmd)
{
- struct Scsi_Host *sh = cmd->device->host;
struct aha1542_hostdata *aha1542 = shost_priv(sh);
unsigned long flags;
int i;
@@ -933,9 +932,9 @@ static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)
* we do this? Try this first, and we can add that later
* if it turns out to be useful.
*/
- outb(reset_cmd, CONTROL(cmd->device->host->io_port));
+ outb(reset_cmd, CONTROL(sh->io_port));

- if (!wait_mask(STATUS(cmd->device->host->io_port),
+ if (!wait_mask(STATUS(sh->io_port),
STATMASK, IDLE, STST | DIAGF | INVDCMD | DF | CDF, 0)) {
spin_unlock_irqrestore(sh->host_lock, flags);
return FAILED;
@@ -946,7 +945,7 @@ static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)
* us again after host reset.
*/
if (reset_cmd & HRST)
- setup_mailboxes(cmd->device->host);
+ setup_mailboxes(sh);

/*
* Now try to pick up the pieces. For all pending commands,
@@ -954,7 +953,8 @@ static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)
* out. We do not try and restart any commands or anything -
* the strategy handler takes care of that crap.
*/
- shost_printk(KERN_WARNING, cmd->device->host, "Sent BUS RESET to scsi host %d\n", cmd->device->host->host_no);
+ shost_printk(KERN_WARNING, sh, "Sent BUS RESET to scsi host %d\n",
+ sh->host_no);

for (i = 0; i < AHA1542_MAILBOXES; i++) {
if (aha1542->int_cmds[i] != NULL) {
@@ -982,12 +982,12 @@ static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)

static int aha1542_bus_reset(struct scsi_cmnd *cmd)
{
- return aha1542_reset(cmd, SCRST);
+ return aha1542_reset(cmd->device->host, SCRST);
}

-static int aha1542_host_reset(struct scsi_cmnd *cmd)
+static int aha1542_host_reset(struct Scsi_Host *sh)
{
- return aha1542_reset(cmd, HRST | SCRST);
+ return aha1542_reset(sh, HRST | SCRST);
}

static int aha1542_biosparam(struct scsi_device *sdev,
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index 7602639da9b3..3fc9326fc4c0 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -2631,13 +2631,13 @@ int acornscsi_abort(struct scsi_cmnd *SCpnt)
/*
* Prototype: int acornscsi_reset(struct scsi_cmnd *SCpnt)
* Purpose : reset a command on this host/reset this host
- * Params : SCpnt - command causing reset
+ * Params : shost - host to be reset
* Returns : one of SCSI_RESET_ macros
*/
-int acornscsi_host_reset(struct scsi_cmnd *SCpnt)
+int acornscsi_host_reset(struct Scsi_Host *shost)
{
- AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata;
- struct scsi_cmnd *SCptr;
+ AS_Host *host = (AS_Host *)shost->hostdata;
+ struct scsi_cmnd *SCptr;

host->stats.resets += 1;

diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index e6289c6af5ef..38eec967155d 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -2656,9 +2656,9 @@ static void fas216_init_chip(FAS216_Info *info)
* Returns: FAILED if unable to reset.
* Notes: io_request_lock is taken, and irqs are disabled
*/
-int fas216_eh_host_reset(struct scsi_cmnd *SCpnt)
+int fas216_eh_host_reset(struct Scsi_Host *shost)
{
- FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata;
+ FAS216_Info *info = (FAS216_Info *)shost->hostdata;

spin_lock_irq(info->host->host_lock);

diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h
index 08113277a2a9..f17583f143b3 100644
--- a/drivers/scsi/arm/fas216.h
+++ b/drivers/scsi/arm/fas216.h
@@ -394,11 +394,11 @@ extern int fas216_eh_device_reset(struct scsi_cmnd *SCpnt);
*/
extern int fas216_eh_bus_reset(struct scsi_cmnd *SCpnt);

-/* Function: int fas216_eh_host_reset(struct scsi_cmnd *SCpnt)
+/* Function: int fas216_eh_host_reset(struct Scsi_Host *shost)
* Purpose : Reset the host associated with this command
- * Params : SCpnt - command specifing host to reset
+ * Params : shost - host to reset
* Returns : FAILED if unable to reset
*/
-extern int fas216_eh_host_reset(struct scsi_cmnd *SCpnt);
+extern int fas216_eh_host_reset(struct Scsi_Host *shost);

#endif /* FAS216_H */
diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index d401cf27113a..d967141f366c 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -667,7 +667,7 @@ static void atari_scsi_falcon_reg_write(unsigned int reg, u8 value)

#include "NCR5380.c"

-static int atari_scsi_host_reset(struct scsi_cmnd *cmd)
+static int atari_scsi_host_reset(struct Scsi_Host *shost)
{
int rv;
unsigned long flags;
@@ -684,7 +684,7 @@ static int atari_scsi_host_reset(struct scsi_cmnd *cmd)
atari_dma_orig_addr = NULL;
}

- rv = NCR5380_host_reset(cmd);
+ rv = NCR5380_host_reset(shost);

/* The 5380 raises its IRQ line while _RST is active but the ST DMA
* "lock" has been released so this interrupt may end up handled by
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index e7be95ee7d64..50c04ba85b0b 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -2476,7 +2476,7 @@ static int cxlflash_eh_device_reset_handler(struct scsi_cmnd *scp)

/**
* cxlflash_eh_host_reset_handler() - reset the host adapter
- * @scp: SCSI command from stack identifying host.
+ * @host: SCSI host adapter.
*
* Following a reset, the state is evaluated again in case an EEH occurred
* during the reset. In such a scenario, the host reset will either yield
@@ -2487,11 +2487,10 @@ static int cxlflash_eh_device_reset_handler(struct scsi_cmnd *scp)
* SUCCESS as defined in scsi/scsi.h
* FAILED as defined in scsi/scsi.h
*/
-static int cxlflash_eh_host_reset_handler(struct scsi_cmnd *scp)
+static int cxlflash_eh_host_reset_handler(struct Scsi_Host *host)
{
int rc = SUCCESS;
int rcr = 0;
- struct Scsi_Host *host = scp->device->host;
struct cxlflash_cfg *cfg = shost_priv(host);
struct device *dev = &cfg->dev->dev;

diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 93227c04ef59..6e3ad0e5b533 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -746,15 +746,15 @@ static int adpt_bus_reset(struct scsi_cmnd* cmd)
}

// This version of reset is called by the eh_error_handler
-static int __adpt_reset(struct scsi_cmnd* cmd)
+static int __adpt_reset(struct Scsi_Host* shost)
{
adpt_hba* pHba;
int rcode;
char name[32];

- pHba = (adpt_hba*)cmd->device->host->hostdata[0];
+ pHba = (adpt_hba*)shost->hostdata[0];
strncpy(name, pHba->name, sizeof(name));
- printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n", name, cmd->device->channel, pHba->channel[cmd->device->channel].tid);
+ printk(KERN_WARNING"%s: Hba Reset\n", name);
rcode = adpt_hba_reset(pHba);
if(rcode == 0){
printk(KERN_WARNING"%s: HBA reset complete\n", name);
@@ -765,13 +765,13 @@ static int __adpt_reset(struct scsi_cmnd* cmd)
}
}

-static int adpt_reset(struct scsi_cmnd* cmd)
+static int adpt_reset(struct Scsi_Host* shost)
{
int rc;

- spin_lock_irq(cmd->device->host->host_lock);
- rc = __adpt_reset(cmd);
- spin_unlock_irq(cmd->device->host->host_lock);
+ spin_lock_irq(shost->host_lock);
+ rc = __adpt_reset(shost);
+ spin_unlock_irq(shost->host_lock);

return rc;
}
diff --git a/drivers/scsi/dpti.h b/drivers/scsi/dpti.h
index 8a079e8d7f65..b77a3625fa6f 100644
--- a/drivers/scsi/dpti.h
+++ b/drivers/scsi/dpti.h
@@ -28,7 +28,7 @@
static int adpt_detect(struct scsi_host_template * sht);
static int adpt_queue(struct Scsi_Host *h, struct scsi_cmnd * cmd);
static int adpt_abort(struct scsi_cmnd * cmd);
-static int adpt_reset(struct scsi_cmnd* cmd);
+static int adpt_reset(struct Scsi_Host * host);
static int adpt_slave_configure(struct scsi_device *);

static const char *adpt_info(struct Scsi_Host *pSHost);
diff --git a/drivers/scsi/esas2r/esas2r.h b/drivers/scsi/esas2r/esas2r.h
index ed63f7a9ea54..a104d1a3a9da 100644
--- a/drivers/scsi/esas2r/esas2r.h
+++ b/drivers/scsi/esas2r/esas2r.h
@@ -976,7 +976,7 @@ long esas2r_proc_ioctl(struct file *fp, unsigned int cmd, unsigned long arg);
/* SCSI error handler (eh) functions */
int esas2r_eh_abort(struct scsi_cmnd *cmd);
int esas2r_device_reset(struct scsi_cmnd *cmd);
-int esas2r_host_reset(struct scsi_cmnd *cmd);
+int esas2r_host_reset(struct Scsi_Host *shost);
int esas2r_bus_reset(struct scsi_cmnd *cmd);
int esas2r_target_reset(struct scsi_cmnd *cmd);

diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c
index 7a4eadad23d7..52494c8bb656 100644
--- a/drivers/scsi/esas2r/esas2r_main.c
+++ b/drivers/scsi/esas2r/esas2r_main.c
@@ -1059,10 +1059,10 @@ int esas2r_eh_abort(struct scsi_cmnd *cmd)
return SUCCESS;
}

-static int esas2r_host_bus_reset(struct scsi_cmnd *cmd, bool host_reset)
+static int esas2r_host_bus_reset(struct Scsi_Host *shost, bool host_reset)
{
struct esas2r_adapter *a =
- (struct esas2r_adapter *)cmd->device->host->hostdata;
+ (struct esas2r_adapter *)shost->hostdata;

if (test_bit(AF_DEGRADED_MODE, &a->flags))
return FAILED;
@@ -1087,18 +1087,20 @@ static int esas2r_host_bus_reset(struct scsi_cmnd *cmd, bool host_reset)
return SUCCESS;
}

-int esas2r_host_reset(struct scsi_cmnd *cmd)
+int esas2r_host_reset(struct Scsi_Host *shost)
{
- esas2r_log(ESAS2R_LOG_INFO, "host_reset (%p)", cmd);
+ esas2r_log(ESAS2R_LOG_INFO, "host_reset (%p)", shost);

- return esas2r_host_bus_reset(cmd, true);
+ return esas2r_host_bus_reset(shost, true);
}

int esas2r_bus_reset(struct scsi_cmnd *cmd)
{
- esas2r_log(ESAS2R_LOG_INFO, "bus_reset (%p)", cmd);
+ struct Scsi_Host *shost = cmd->device->host;
+
+ esas2r_log(ESAS2R_LOG_INFO, "bus_reset (%p)", shost);

- return esas2r_host_bus_reset(cmd, false);
+ return esas2r_host_bus_reset(shost, false);
}

static int esas2r_dev_targ_reset(struct scsi_cmnd *cmd, bool target_reset)
diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c
index 64ec6bb84550..b41eac8b5e0f 100644
--- a/drivers/scsi/esp_scsi.c
+++ b/drivers/scsi/esp_scsi.c
@@ -2640,9 +2640,9 @@ static int esp_eh_bus_reset_handler(struct scsi_cmnd *cmd)
}

/* All bets are off, reset the entire device. */
-static int esp_eh_host_reset_handler(struct scsi_cmnd *cmd)
+static int esp_eh_host_reset_handler(struct Scsi_Host *shost)
{
- struct esp *esp = shost_priv(cmd->device->host);
+ struct esp *esp = shost_priv(shost);
unsigned long flags;

spin_lock_irqsave(esp->host->host_lock, flags);
diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c
index 444eac9b2466..5d3f1520ee50 100644
--- a/drivers/scsi/fdomain.c
+++ b/drivers/scsi/fdomain.c
@@ -456,9 +456,8 @@ static int fdomain_abort(struct scsi_cmnd *cmd)
return SUCCESS;
}

-static int fdomain_host_reset(struct scsi_cmnd *cmd)
+static int fdomain_host_reset(struct Scsi_Host *sh)
{
- struct Scsi_Host *sh = cmd->device->host;
struct fdomain *fd = shost_priv(sh);
unsigned long flags;

diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index aa07189fb5fb..7b81bea3ffa2 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -359,7 +359,7 @@ void fnic_update_mac_locked(struct fnic *, u8 *new);
int fnic_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
int fnic_abort_cmd(struct scsi_cmnd *);
int fnic_device_reset(struct scsi_cmnd *);
-int fnic_host_reset(struct scsi_cmnd *);
+int fnic_host_reset(struct Scsi_Host *);
int fnic_reset(struct Scsi_Host *);
void fnic_scsi_cleanup(struct fc_lport *);
void fnic_scsi_abort_io(struct fc_lport *);
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index fb6dc59a5a7e..b286d5feaca1 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -2452,11 +2452,10 @@ int fnic_reset(struct Scsi_Host *shost)
* host is offlined by SCSI.
*
*/
-int fnic_host_reset(struct scsi_cmnd *sc)
+int fnic_host_reset(struct Scsi_Host *shost)
{
int ret;
unsigned long wait_host_tmo;
- struct Scsi_Host *shost = sc->device->host;
struct fc_lport *lp = shost_priv(shost);
struct fnic *fnic = lport_priv(lp);
unsigned long flags;
diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index f18b770626e6..30f6a6891ea2 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -1091,12 +1091,12 @@ static int hptiop_reset_hba(struct hptiop_hba *hba)
return 0;
}

-static int hptiop_reset(struct scsi_cmnd *scp)
+static int hptiop_reset(struct Scsi_Host *host)
{
- struct hptiop_hba * hba = (struct hptiop_hba *)scp->device->host->hostdata;
+ struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;

printk(KERN_WARNING "hptiop_reset(%d/%d/%d)\n",
- scp->device->host->host_no, -1, -1);
+ host->host_no, -1, -1);

return hptiop_reset_hba(hba)? FAILED : SUCCESS;
}
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 2e7128f0d905..5fb36cd70dde 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2984,10 +2984,10 @@ static int ibmvfc_eh_target_reset_handler(struct scsi_cmnd *cmd)
* @cmd: struct scsi_cmnd having problems
*
**/
-static int ibmvfc_eh_host_reset_handler(struct scsi_cmnd *cmd)
+static int ibmvfc_eh_host_reset_handler(struct Scsi_Host *shost)
{
int rc;
- struct ibmvfc_host *vhost = shost_priv(cmd->device->host);
+ struct ibmvfc_host *vhost = shost_priv(shost);

dev_err(vhost->dev, "Resetting connection due to error recovery\n");
rc = ibmvfc_issue_fc_host_lip(vhost->host);
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 63f32f843e75..892d79e2e7e1 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1735,10 +1735,10 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
* ibmvscsi_eh_host_reset_handler - Reset the connection to the server
* @cmd: struct scsi_cmnd having problems
*/
-static int ibmvscsi_eh_host_reset_handler(struct scsi_cmnd *cmd)
+static int ibmvscsi_eh_host_reset_handler(struct Scsi_Host *shost)
{
unsigned long wait_switch = 0;
- struct ibmvscsi_host_data *hostdata = shost_priv(cmd->device->host);
+ struct ibmvscsi_host_data *hostdata = shost_priv(shost);

dev_err(hostdata->dev, "Resetting connection due to error recovery\n");

diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c
index 7a499d621c25..757175d09b2b 100644
--- a/drivers/scsi/imm.c
+++ b/drivers/scsi/imm.c
@@ -984,9 +984,9 @@ static void imm_reset_pulse(unsigned int base)
w_ctr(base, 0x04);
}

-static int imm_reset(struct scsi_cmnd *cmd)
+static int imm_reset(struct Scsi_Host *host)
{
- imm_struct *dev = imm_dev(cmd->device->host);
+ imm_struct *dev = imm_dev(host);

if (imm_scsi_pointer(cmd)->phase)
imm_disconnect(dev);
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 104bee9b3a9d..29893dae7f24 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5181,14 +5181,14 @@ static int ipr_wait_for_ops(struct ipr_ioa_cfg *ioa_cfg, void *device,
return SUCCESS;
}

-static int ipr_eh_host_reset(struct scsi_cmnd *cmd)
+static int ipr_eh_host_reset(struct Scsi_Host *shost)
{
struct ipr_ioa_cfg *ioa_cfg;
unsigned long lock_flags = 0;
int rc = SUCCESS;

ENTER;
- ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata;
+ ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);

if (!ioa_cfg->in_reset_reload && !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) {
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index d49c1d6df5d6..f57858f561e3 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -229,7 +229,7 @@ module_param(ips, charp, 0);
* Function prototypes
*/
static int ips_eh_abort(struct scsi_cmnd *);
-static int ips_eh_reset(struct scsi_cmnd *);
+static int ips_eh_reset(struct Scsi_Host *);
static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *);
static const char *ips_info(struct Scsi_Host *);
static irqreturn_t do_ipsintr(int, void *);
@@ -829,7 +829,7 @@ int ips_eh_abort(struct scsi_cmnd *SC)
/* NOTE: this routine is called under the io_request_lock spinlock */
/* */
/****************************************************************************/
-static int __ips_eh_reset(struct scsi_cmnd *SC)
+static int __ips_eh_reset(struct Scsi_Host *shost)
{
int ret;
int i;
@@ -842,13 +842,7 @@ static int __ips_eh_reset(struct scsi_cmnd *SC)
return (FAILED);
#else

- if (!SC) {
- DEBUG(1, "Reset called with NULL scsi command");
-
- return (FAILED);
- }
-
- ha = (ips_ha_t *) SC->device->host->hostdata;
+ ha = (ips_ha_t *) shost->hostdata;

if (!ha) {
DEBUG(1, "Reset called with NULL ha struct");
@@ -994,13 +988,13 @@ static int __ips_eh_reset(struct scsi_cmnd *SC)

}

-static int ips_eh_reset(struct scsi_cmnd *SC)
+static int ips_eh_reset(struct Scsi_Host *shost)
{
int rc;

- spin_lock_irq(SC->device->host->host_lock);
- rc = __ips_eh_reset(SC);
- spin_unlock_irq(SC->device->host->host_lock);
+ spin_lock_irq(shost->host_lock);
+ rc = __ips_eh_reset(shost);
+ spin_unlock_irq(shost->host_lock);

return rc;
}
@@ -1078,7 +1072,7 @@ static int ips_queue_lck(struct scsi_cmnd *SC)
return (0);
}
ha->ioctl_reset = 1; /* This reset request is from an IOCTL */
- __ips_eh_reset(SC);
+ __ips_eh_reset(SC->device->host);
SC->result = DID_OK << 16;
scsi_done(SC);
return (0);
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 074996319df5..ab4a1c01a353 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -2195,11 +2195,10 @@ EXPORT_SYMBOL(fc_eh_device_reset);

/**
* fc_eh_host_reset() - Reset a Scsi_Host.
- * @sc_cmd: The SCSI command that identifies the SCSI host to be reset
+ * @shost: The SCSI host to be reset
*/
-int fc_eh_host_reset(struct scsi_cmnd *sc_cmd)
+int fc_eh_host_reset(struct Scsi_Host *shost)
{
- struct Scsi_Host *shost = sc_cmd->device->host;
struct fc_lport *lport = shost_priv(shost);
unsigned long wait_tmo;

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 1959c58d22f8..0443846c9fad 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -6503,9 +6503,8 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd)
* 0x2002 - Success
**/
static int
-lpfc_host_reset_handler(struct scsi_cmnd *cmnd)
+lpfc_host_reset_handler(struct Scsi_Host *shost)
{
- struct Scsi_Host *shost = cmnd->device->host;
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
struct lpfc_hba *phba = vport->phba;
int rc, ret = SUCCESS;
diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c
index 070ebe352f9e..466efe781376 100644
--- a/drivers/scsi/mac53c94.c
+++ b/drivers/scsi/mac53c94.c
@@ -100,14 +100,14 @@ static int mac53c94_queue_lck(struct scsi_cmnd *cmd)

static DEF_SCSI_QCMD(mac53c94_queue)

-static int mac53c94_host_reset(struct scsi_cmnd *cmd)
+static int mac53c94_host_reset(struct Scsi_Host *shost)
{
- struct fsc_state *state = (struct fsc_state *) cmd->device->host->hostdata;
+ struct fsc_state *state = (struct fsc_state *) shost->hostdata;
struct mac53c94_regs __iomem *regs = state->regs;
struct dbdma_regs __iomem *dma = state->dma;
unsigned long flags;

- spin_lock_irqsave(cmd->device->host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);

writel((RUN|PAUSE|FLUSH|WAKE) << 16, &dma->control);
writeb(CMD_SCSI_RESET, &regs->command); /* assert RST */
@@ -117,7 +117,7 @@ static int mac53c94_host_reset(struct scsi_cmnd *cmd)
mac53c94_init(state);
writeb(CMD_NOP, &regs->command);

- spin_unlock_irqrestore(cmd->device->host->host_lock, flags);
+ spin_unlock_irqrestore(shost->host_lock, flags);
return SUCCESS;
}

diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 9484632ffed6..6f6b66715707 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -1875,13 +1875,13 @@ megaraid_abort(struct scsi_cmnd *cmd)

static int
-megaraid_reset(struct scsi_cmnd *cmd)
+megaraid_reset(struct Scsi_Host *shost)
{
adapter_t *adapter;
megacmd_t mc;
int rval;

- adapter = (adapter_t *)cmd->device->host->hostdata;
+ adapter = (adapter_t *)shost->hostdata;

#if MEGA_HAVE_CLUSTERING
mc.cmd = MEGA_CLUSTER_CMD;
diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h
index 013fbfb911b9..43acad67d95f 100644
--- a/drivers/scsi/megaraid.h
+++ b/drivers/scsi/megaraid.h
@@ -973,7 +973,7 @@ static irqreturn_t megaraid_isr_iomapped(int, void *);
static void mega_free_scb(adapter_t *, scb_t *);

static int megaraid_abort(struct scsi_cmnd *);
-static int megaraid_reset(struct scsi_cmnd *);
+static int megaraid_reset(struct Scsi_Host *);
static int megaraid_abort_and_reset(adapter_t *, struct scsi_cmnd *, int);
static int megaraid_biosparam(struct scsi_device *, struct block_device *,
sector_t, int []);
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index 2a339d4a7e9d..e250566a17b6 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -92,7 +92,7 @@ static int megaraid_sysfs_alloc_resources(adapter_t *);
static void megaraid_sysfs_free_resources(adapter_t *);

static int megaraid_abort_handler(struct scsi_cmnd *);
-static int megaraid_reset_handler(struct scsi_cmnd *);
+static int megaraid_reset_handler(struct Scsi_Host *);

static int mbox_post_sync_cmd(adapter_t *, uint8_t []);
static int mbox_post_sync_cmd_fast(adapter_t *, uint8_t []);
@@ -2512,7 +2512,7 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
* host.
**/
static int
-megaraid_reset_handler(struct scsi_cmnd *scp)
+megaraid_reset_handler(struct Scsi_Host *shost)
{
adapter_t *adapter;
scb_t *scb;
@@ -2525,7 +2525,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
int i;
uioc_t *kioc;

- adapter = SCP2ADAPTER(scp);
+ adapter = (adapter_t *)SCSIHOST2ADAP(shost);
raid_dev = ADAP2RAIDDEV(adapter);

// return failure if adapter is not responding
@@ -2556,15 +2556,9 @@ megaraid_reset_handler(struct scsi_cmnd *scp)

megaraid_mbox_mm_done(adapter, scb);
} else {
- if (scb->scp == scp) { // Found command
- con_log(CL_ANN, (KERN_WARNING
- "megaraid: %d[%d:%d], reset from pending list\n",
- scb->sno, scb->dev_channel, scb->dev_target));
- } else {
- con_log(CL_ANN, (KERN_WARNING
+ con_log(CL_ANN, (KERN_WARNING
"megaraid: IO packet with %d[%d:%d] being reset\n",
scb->sno, scb->dev_channel, scb->dev_target));
- }

scb->scp->result = (DID_RESET << 16);
scsi_done(scb->scp);
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index c95360a3c186..0222e234f108 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2896,15 +2896,14 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance)
* reset requests. Device, bus and host specific reset handlers can use this
* function after they do their specific tasks.
*/
-static int megasas_generic_reset(struct scsi_cmnd *scmd)
+static int megasas_generic_reset(struct Scsi_Host *shost)
{
int ret_val;
struct megasas_instance *instance;

- instance = (struct megasas_instance *)scmd->device->host->hostdata;
+ instance = (struct megasas_instance *)shost->hostdata;

- scmd_printk(KERN_NOTICE, scmd, "megasas: RESET cmd=%x retries=%x\n",
- scmd->cmnd[0], scmd->retries);
+ shost_printk(KERN_NOTICE, shost, "megasas: RESET\n");

if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
dev_err(&instance->pdev->dev, "cannot recover from previous reset failures\n");
@@ -3057,31 +3056,30 @@ megasas_dump_sys_regs(void __iomem *reg_set, char *buf)
* megasas_reset_bus_host - Bus & host reset handler entry point
* @scmd: Mid-layer SCSI command
*/
-static int megasas_reset_bus_host(struct scsi_cmnd *scmd)
+static int megasas_reset_bus_host(struct Scsi_Host *shost)
{
int ret;
struct megasas_instance *instance;

- instance = (struct megasas_instance *)scmd->device->host->hostdata;
+ instance = (struct megasas_instance *)shost->hostdata;

- scmd_printk(KERN_INFO, scmd,
+ shost_printk(KERN_INFO, shost,
"OCR is requested due to IO timeout!!\n");

- scmd_printk(KERN_INFO, scmd,
- "SCSI host state: %d SCSI host busy: %d FW outstanding: %d\n",
- scmd->device->host->shost_state,
- scsi_host_busy(scmd->device->host),
+ shost_printk(KERN_INFO, shost,
+ "Controller reset is requested due to IO timeout\n"
+ "SCSI host state: %d\t"
+ " SCSI host busy: %d\t FW outstanding: %d\n",
+ shost->shost_state,
+ scsi_host_busy(shost),
atomic_read(&instance->fw_outstanding));
/*
* First wait for all commands to complete
*/
- if (instance->adapter_type == MFI_SERIES) {
- ret = megasas_generic_reset(scmd);
- } else {
- megasas_dump_fusion_io(scmd);
- ret = megasas_reset_fusion(scmd->device->host,
- SCSIIO_TIMEOUT_OCR);
- }
+ if (instance->adapter_type == MFI_SERIES)
+ ret = megasas_generic_reset(shost);
+ else
+ ret = megasas_reset_fusion(shost, SCSIIO_TIMEOUT_OCR);

return ret;
}
diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c
index 322d3ad38159..5e1d0bde36f3 100644
--- a/drivers/scsi/mesh.c
+++ b/drivers/scsi/mesh.c
@@ -1699,9 +1699,9 @@ static int mesh_abort(struct scsi_cmnd *cmd)
* The midlayer will wait for devices to come back, we don't need
* to do that ourselves
*/
-static int mesh_host_reset(struct scsi_cmnd *cmd)
+static int mesh_host_reset(struct Scsi_Host *shost)
{
- struct mesh_state *ms = (struct mesh_state *) cmd->device->host->hostdata;
+ struct mesh_state *ms = (struct mesh_state *) shost->hostdata;
volatile struct mesh_regs __iomem *mr = ms->mesh;
volatile struct dbdma_regs __iomem *md = ms->dma;
unsigned long flags;
@@ -1718,7 +1718,7 @@ static int mesh_host_reset(struct scsi_cmnd *cmd)
out_8(&mr->exception, 0xff); /* clear all exception bits */
out_8(&mr->error, 0xff); /* clear all error bits */
out_8(&mr->sequence, SEQ_RESETMESH);
- mesh_flush_io(mr);
+ mesh_flush_io(mr);
udelay(1);
out_8(&mr->intr_mask, INT_ERROR | INT_EXCEPTION | INT_CMDDONE);
out_8(&mr->source_id, ms->host->this_id);
@@ -1727,13 +1727,13 @@ static int mesh_host_reset(struct scsi_cmnd *cmd)

/* Reset the bus */
out_8(&mr->bus_status1, BS1_RST); /* assert RST */
- mesh_flush_io(mr);
+ mesh_flush_io(mr);
udelay(30); /* leave it on for >= 25us */
out_8(&mr->bus_status1, 0); /* negate RST */

/* Complete pending commands */
handle_reset(ms);
-
+
spin_unlock_irqrestore(ms->host->host_lock, flags);
return SUCCESS;
}
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
index 31f05e9f5ee0..bd42d3a56590 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_os.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
@@ -3335,15 +3335,15 @@ void mpi3mr_wait_for_host_io(struct mpi3mr_ioc *mrioc, u32 timeout)

/**
* mpi3mr_eh_host_reset - Host reset error handling callback
- * @scmd: SCSI command reference
+ * @shost: SCSI host reference
*
* Issue controller reset
*
* Return: SUCCESS of successful reset else FAILED
*/
-static int mpi3mr_eh_host_reset(struct scsi_cmnd *scmd)
+static int mpi3mr_eh_host_reset(struct Scsi_Host *shost)
{
- struct mpi3mr_ioc *mrioc = shost_priv(scmd->device->host);
+ struct mpi3mr_ioc *mrioc = shost_priv(shost);
int retval = FAILED, ret;

ret = mpi3mr_soft_reset_handler(mrioc,
@@ -3353,9 +3353,9 @@ static int mpi3mr_eh_host_reset(struct scsi_cmnd *scmd)

retval = SUCCESS;
out:
- sdev_printk(KERN_INFO, scmd->device,
- "Host reset is %s for scmd(%p)\n",
- ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
+ shost_printk(KERN_INFO, shost,
+ "Host reset is %s\n",
+ ((retval == SUCCESS) ? "SUCCESS" : "FAILED"));

return retval;
}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 7e476f50935b..ea9a8799f89a 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -3526,13 +3526,12 @@ scsih_target_reset(struct scsi_cmnd *scmd)
* Return: SUCCESS if command aborted else FAILED
*/
static int
-scsih_host_reset(struct scsi_cmnd *scmd)
+scsih_host_reset(struct Scsi_Host *shost)
{
- struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
int r, retval;

- ioc_info(ioc, "attempting host reset! scmd(0x%p)\n", scmd);
- scsi_print_command(scmd);
+ ioc_info(ioc, "attempting host reset\n");

if (ioc->is_driver_loading || ioc->remove_host) {
ioc_info(ioc, "Blocking the host reset\n");
@@ -3543,8 +3542,8 @@ scsih_host_reset(struct scsi_cmnd *scmd)
retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
r = (retval < 0) ? FAILED : SUCCESS;
out:
- ioc_info(ioc, "host reset: %s scmd(0x%p)\n",
- r == SUCCESS ? "SUCCESS" : "FAILED", scmd);
+ ioc_info(ioc, "host reset: %s\n",
+ r == SUCCESS ? "SUCCESS" : "FAILED");

return r;
}
diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
index 05d3ce9b72db..249813bc926e 100644
--- a/drivers/scsi/mvumi.c
+++ b/drivers/scsi/mvumi.c
@@ -695,14 +695,13 @@ static int mvumi_reset_host_9143(struct mvumi_hba *mhba)
return mvumi_wait_for_outstanding(mhba);
}

-static int mvumi_host_reset(struct scsi_cmnd *scmd)
+static int mvumi_host_reset(struct Scsi_Host *shost)
{
struct mvumi_hba *mhba;

- mhba = (struct mvumi_hba *) scmd->device->host->hostdata;
+ mhba = (struct mvumi_hba *) shost->hostdata;

- scmd_printk(KERN_NOTICE, scmd, "RESET -%u cmd=%x retries=%x\n",
- scsi_cmd_to_rq(scmd)->tag, scmd->cmnd[0], scmd->retries);
+ shost_printk(KERN_NOTICE, shost, "RESET\n");

return mhba->instancet->reset_host(mhba);
}
diff --git a/drivers/scsi/myrb.c b/drivers/scsi/myrb.c
index 71585528e8db..437b11d48238 100644
--- a/drivers/scsi/myrb.c
+++ b/drivers/scsi/myrb.c
@@ -1251,9 +1251,8 @@ static void myrb_cleanup(struct myrb_hba *cb)
scsi_host_put(cb->host);
}

-static int myrb_host_reset(struct scsi_cmnd *scmd)
+static int myrb_host_reset(struct Scsi_Host *shost)
{
- struct Scsi_Host *shost = scmd->device->host;
struct myrb_hba *cb = shost_priv(shost);

cb->reset(cb->io_base);
diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c
index 7eb8c39da366..caa5511ca923 100644
--- a/drivers/scsi/myrs.c
+++ b/drivers/scsi/myrs.c
@@ -1529,9 +1529,8 @@ ATTRIBUTE_GROUPS(myrs_shost);
/*
* SCSI midlayer interface
*/
-static int myrs_host_reset(struct scsi_cmnd *scmd)
+static int myrs_host_reset(struct Scsi_Host *shost)
{
- struct Scsi_Host *shost = scmd->device->host;
struct myrs_hba *cs = shost_priv(shost);

cs->reset(cs->io_base);
diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index 75bb0028ed74..d1f760c8e8ce 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -191,7 +191,7 @@ static int nsp32_release (struct Scsi_Host *);

/* SCSI error handler */
static int nsp32_eh_abort (struct scsi_cmnd *);
-static int nsp32_eh_host_reset(struct scsi_cmnd *);
+static int nsp32_eh_host_reset(struct Scsi_Host *);

/* generate SCSI message */
static void nsp32_build_identify(struct scsi_cmnd *);
@@ -2876,23 +2876,21 @@ static void nsp32_do_bus_reset(nsp32_hw_data *data)
data->CurrentSC = NULL;
}

-static int nsp32_eh_host_reset(struct scsi_cmnd *SCpnt)
+static int nsp32_eh_host_reset(struct Scsi_Host *host)
{
- struct Scsi_Host *host = SCpnt->device->host;
- unsigned int base = SCpnt->device->host->io_port;
+ unsigned int base = host->io_port;
nsp32_hw_data *data = (nsp32_hw_data *)host->hostdata;

nsp32_msg(KERN_INFO, "Host Reset");
- nsp32_dbg(NSP32_DEBUG_BUSRESET, "SCpnt=0x%x", SCpnt);

- spin_lock_irq(SCpnt->device->host->host_lock);
+ spin_lock_irq(host->host_lock);

nsp32hw_init(data);
nsp32_write2(base, IRQ_CONTROL, IRQ_CONTROL_ALL_IRQ_MASK);
nsp32_do_bus_reset(data);
nsp32_write2(base, IRQ_CONTROL, 0);

- spin_unlock_irq(SCpnt->device->host->host_lock);
+ spin_unlock_irq(host->host_lock);
return SUCCESS; /* Host reset is succeeded at any time. */
}

diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index 48acab03a8a0..4aa9737fa711 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -1497,9 +1497,9 @@ static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt)
return nsp_bus_reset(data);
}

-static int nsp_eh_host_reset(struct scsi_cmnd *SCpnt)
+static int nsp_eh_host_reset(struct Scsi_Host *host)
{
- nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
+ nsp_hw_data *data = (nsp_hw_data *)host->hostdata;

nsp_dbg(NSP_DEBUG_BUSRESET, "in");

diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h
index e1ee8ef90ad3..f532adb5f166 100644
--- a/drivers/scsi/pcmcia/nsp_cs.h
+++ b/drivers/scsi/pcmcia/nsp_cs.h
@@ -300,7 +300,7 @@ static int nsp_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *SCpnt);
/*static int nsp_eh_abort (struct scsi_cmnd *SCpnt);*/
/*static int nsp_eh_device_reset(struct scsi_cmnd *SCpnt);*/
static int nsp_eh_bus_reset (struct scsi_cmnd *SCpnt);
-static int nsp_eh_host_reset (struct scsi_cmnd *SCpnt);
+static int nsp_eh_host_reset (struct Scsi_Host *host);
static int nsp_bus_reset (nsp_hw_data *data);

/* */
diff --git a/drivers/scsi/pcmcia/qlogic_stub.c b/drivers/scsi/pcmcia/qlogic_stub.c
index 310d0b6586a6..59893db166c9 100644
--- a/drivers/scsi/pcmcia/qlogic_stub.c
+++ b/drivers/scsi/pcmcia/qlogic_stub.c
@@ -270,8 +270,8 @@ static int qlogic_resume(struct pcmcia_device *link)
outb(0x24, link->resource[0]->start + 0x9);
outb(0x04, link->resource[0]->start + 0xd);
}
- /* Ugggglllyyyy!!! */
- qlogicfas408_host_reset(NULL);
+
+ qlogicfas408_host_reset(info->host);

return 0;
}
diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c
index 5d7dfefd6f6c..79862f17de8d 100644
--- a/drivers/scsi/pcmcia/sym53c500_cs.c
+++ b/drivers/scsi/pcmcia/sym53c500_cs.c
@@ -583,14 +583,14 @@ static int SYM53C500_queue_lck(struct scsi_cmnd *SCpnt)
static DEF_SCSI_QCMD(SYM53C500_queue)

static int
-SYM53C500_host_reset(struct scsi_cmnd *SCpnt)
+SYM53C500_host_reset(struct Scsi_Host *shost)
{
- int port_base = SCpnt->device->host->io_port;
+ int port_base = shost->io_port;

DEB(printk("SYM53C500_host_reset called\n"));
- spin_lock_irq(SCpnt->device->host->host_lock);
+ spin_lock_irq(shost->host_lock);
SYM53C500_int_host_reset(port_base);
- spin_unlock_irq(SCpnt->device->host->host_lock);
+ spin_unlock_irq(shost->host_lock);

return SUCCESS;
}
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 62b9de87ff05..79ca737ac75b 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -3086,19 +3086,19 @@ static int pmcraid_eh_target_reset_handler(struct scsi_cmnd *scmd)
/**
* pmcraid_eh_host_reset_handler - adapter reset handler callback
*
- * @scmd: pointer to scsi_cmd that was sent to a resource of adapter
+ * @shost: pointer to scsi_host
*
* Initiates adapter reset to bring it up to operational state
*
* Return value
* SUCCESS or FAILED
*/
-static int pmcraid_eh_host_reset_handler(struct scsi_cmnd *scmd)
+static int pmcraid_eh_host_reset_handler(struct Scsi_Host *shost)
{
unsigned long interval = 10000; /* 10 seconds interval */
int waits = jiffies_to_msecs(PMCRAID_RESET_HOST_TIMEOUT) / interval;
struct pmcraid_instance *pinstance =
- (struct pmcraid_instance *)(scmd->device->host->hostdata);
+ (struct pmcraid_instance *)(shost->hostdata);

/* wait for an additional 150 seconds just in case firmware could come
diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index c6c1bc608224..14a4b582fa9e 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -867,9 +867,9 @@ static void ppa_reset_pulse(unsigned int base)
w_ctr(base, 0xc);
}

-static int ppa_reset(struct scsi_cmnd *cmd)
+static int ppa_reset(struct Scsi_Host *host)
{
- ppa_struct *dev = ppa_dev(cmd->device->host);
+ ppa_struct *dev = ppa_dev(host);

if (ppa_scsi_pointer(cmd)->phase)
ppa_disconnect(dev);
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 85ccfbc5cd26..c12fb3465946 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -952,12 +952,12 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
}

/* Reset the host by gracefully logging out and then logging back in */
-static int qedf_eh_host_reset(struct scsi_cmnd *sc_cmd)
+static int qedf_eh_host_reset(struct Scsi_Host *shost)
{
struct fc_lport *lport;
struct qedf_ctx *qedf;

- lport = shost_priv(sc_cmd->device->host);
+ lport = shost_priv(shost);
qedf = lport_priv(lport);

if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN ||
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 31ec429104e2..dfb12f80fd9f 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -30,9 +30,8 @@ int qedi_recover_all_conns(struct qedi_ctx *qedi)
return SUCCESS;
}

-static int qedi_eh_host_reset(struct scsi_cmnd *cmd)
+static int qedi_eh_host_reset(struct Scsi_Host *shost)
{
- struct Scsi_Host *shost = cmd->device->host;
struct qedi_ctx *qedi;

qedi = iscsi_host_priv(shost);
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index c4466e4e692f..cd4c7126c1c9 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -995,10 +995,9 @@ qla1280_eh_bus_reset(struct scsi_cmnd *cmd)
* Reset the specified adapter (both channels)
**************************************************************************/
static int
-qla1280_eh_adapter_reset(struct scsi_cmnd *cmd)
+qla1280_eh_adapter_reset(struct Scsi_Host *shost)
{
int rc;
- struct Scsi_Host *shost = cmd->device->host;
struct scsi_qla_host *ha = (struct scsi_qla_host *)shost->hostdata;

spin_lock_irq(shost->host_lock);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 762229d495a8..5f86e7bd5a0e 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1604,8 +1604,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
* The reset function will reset the Adapter.
*
* Input:
-* cmd = Linux SCSI command packet of the command that cause the
-* adapter reset.
+* shost = Linux SCSI host to be reset
*
* Returns:
* Either SUCCESS or FAILED.
@@ -1613,13 +1612,11 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
* Note:
**************************************************************************/
static int
-qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
+qla2xxx_eh_host_reset(struct Scsi_Host *shost)
{
- scsi_qla_host_t *vha = shost_priv(cmd->device->host);
+ scsi_qla_host_t *vha = shost_priv(shost);
struct qla_hw_data *ha = vha->hw;
int ret = FAILED;
- unsigned int id;
- uint64_t lun;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);

if (qla2x00_isp_reg_stat(ha)) {
@@ -1629,11 +1626,8 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
return SUCCESS;
}

- id = cmd->device->id;
- lun = cmd->device->lun;
-
ql_log(ql_log_info, vha, 0x8018,
- "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
+ "ADAPTER RESET ISSUED host=%ld.\n", vha->host_no);

/*
* No point in issuing another reset if one is active. Also do not
@@ -1679,8 +1673,8 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)

eh_host_reset_lock:
ql_log(ql_log_info, vha, 0x8017,
- "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
- (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
+ "ADAPTER RESET %s host=%ld.\n",
+ (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no);

return ret;
}
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index f4969b99c07f..8f89080e2580 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -159,7 +159,7 @@ static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
-static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
+static int qla4xxx_eh_host_reset(struct Scsi_Host *shost);
static int qla4xxx_slave_alloc(struct scsi_device *device);
static umode_t qla4_attr_is_visible(int param_type, int param);
static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
@@ -9411,18 +9411,18 @@ static int qla4xxx_is_eh_active(struct Scsi_Host *shost)

/**
* qla4xxx_eh_host_reset - kernel callback
- * @cmd: Pointer to Linux's SCSI command structure
+ * @host: Pointer to Linux's SCSI host structure
*
* This routine is invoked by the Linux kernel to perform fatal error
* recovery on the specified adapter.
**/
-static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
+static int qla4xxx_eh_host_reset(struct Scsi_Host *host)
{
int return_status = FAILED;
struct scsi_qla_host *ha;
int rval;

- ha = to_qla_host(cmd->device->host);
+ ha = to_qla_host(host);

rval = qla4xxx_isp_check_reg(ha);
if (rval != QLA_SUCCESS) {
@@ -9444,20 +9444,18 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
ha->host_no, __func__));

/* Clear outstanding srb in queues */
- if (qla4xxx_is_eh_active(cmd->device->host))
+ if (qla4xxx_is_eh_active(host))
qla4xxx_abort_active_cmds(ha, DID_ABORT << 16);

return FAILED;
}

ql4_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no,
- cmd->device->channel, cmd->device->id, cmd->device->lun);
+ "scsi%ld: HOST RESET ISSUED.\n", ha->host_no);

if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
- DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
- "DEAD.\n", ha->host_no, cmd->device->channel,
- __func__));
+ DEBUG2(printk("scsi%ld: %s: Unable to reset host. Adapter "
+ "DEAD.\n", ha->host_no, __func__));

return FAILED;
}
diff --git a/drivers/scsi/qlogicfas408.c b/drivers/scsi/qlogicfas408.c
index 3e065d5fc80c..008e908e3aff 100644
--- a/drivers/scsi/qlogicfas408.c
+++ b/drivers/scsi/qlogicfas408.c
@@ -525,20 +525,18 @@ int qlogicfas408_abort(struct scsi_cmnd *cmd)

/*
* Reset SCSI bus
- * FIXME: This function is invoked with cmd = NULL directly by
- * the PCMCIA qlogic_stub code. This wants fixing
*/

-int qlogicfas408_host_reset(struct scsi_cmnd *cmd)
+int qlogicfas408_host_reset(struct Scsi_Host *host)
{
- struct qlogicfas408_priv *priv = get_priv_by_cmd(cmd);
+ struct qlogicfas408_priv *priv = get_priv_by_host(host);
unsigned long flags;

priv->qabort = 2;

- spin_lock_irqsave(cmd->device->host->host_lock, flags);
+ spin_lock_irqsave(host->host_lock, flags);
ql_zap(priv);
- spin_unlock_irqrestore(cmd->device->host->host_lock, flags);
+ spin_unlock_irqrestore(host->host_lock, flags);

return SUCCESS;
}
diff --git a/drivers/scsi/qlogicfas408.h b/drivers/scsi/qlogicfas408.h
index a971db11d293..c1b6e9fea9ce 100644
--- a/drivers/scsi/qlogicfas408.h
+++ b/drivers/scsi/qlogicfas408.h
@@ -109,7 +109,7 @@ int qlogicfas408_biosparam(struct scsi_device * disk,
struct block_device *dev,
sector_t capacity, int ip[]);
int qlogicfas408_abort(struct scsi_cmnd * cmd);
-extern int qlogicfas408_host_reset(struct scsi_cmnd *cmd);
+extern int qlogicfas408_host_reset(struct Scsi_Host *host);
const char *qlogicfas408_info(struct Scsi_Host *host);
int qlogicfas408_get_chip_type(int qbase, int int_type);
void qlogicfas408_setup(int qbase, int id, int int_type);
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 57f2f4135a06..bd3defa15933 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -1260,10 +1260,9 @@ static int qlogicpti_abort(struct scsi_cmnd *Cmnd)
return return_status;
}

-static int qlogicpti_reset(struct scsi_cmnd *Cmnd)
+static int qlogicpti_reset(struct Scsi_Host *host)
{
u_short param[6];
- struct Scsi_Host *host = Cmnd->device->host;
struct qlogicpti *qpti = (struct qlogicpti *) host->hostdata;
int return_status = SUCCESS;

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 592a290e6cfa..6292ac7aef7a 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -5357,15 +5357,15 @@ static int scsi_debug_bus_reset(struct scsi_cmnd *SCpnt)
return SUCCESS;
}

-static int scsi_debug_host_reset(struct scsi_cmnd *SCpnt)
+static int scsi_debug_host_reset(struct Scsi_Host *shost)
{
struct sdebug_host_info *sdbg_host;
struct sdebug_dev_info *devip;
int k = 0;

++num_host_resets;
- if ((SCpnt->device) && (SDEBUG_OPT_ALL_NOISE & sdebug_opts))
- sdev_printk(KERN_INFO, SCpnt->device, "%s\n", __func__);
+ if (SDEBUG_OPT_ALL_NOISE & sdebug_opts)
+ shost_printk(KERN_INFO, shost, "%s\n", __func__);
spin_lock(&sdebug_host_list_lock);
list_for_each_entry(sdbg_host, &sdebug_host_list, host_list) {
list_for_each_entry(devip, &sdbg_host->dev_info_list,
@@ -5377,7 +5377,7 @@ static int scsi_debug_host_reset(struct scsi_cmnd *SCpnt)
spin_unlock(&sdebug_host_list_lock);
stop_all_queued();
if (SDEBUG_OPT_RESET_NOISE & sdebug_opts)
- sdev_printk(KERN_INFO, SCpnt->device,
+ shost_printk(KERN_INFO, shost,
"%s: %d device(s) found\n", __func__, k);
return SUCCESS;
}
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index cdaca13ac1f1..747131ca8970 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -841,7 +841,7 @@ static enum scsi_disposition scsi_try_host_reset(struct scsi_cmnd *scmd)
if (!hostt->eh_host_reset_handler)
return FAILED;

- rtn = hostt->eh_host_reset_handler(scmd);
+ rtn = hostt->eh_host_reset_handler(host);

if (rtn == SUCCESS) {
if (!hostt->skip_settle_delay)
diff --git a/drivers/scsi/snic/snic.h b/drivers/scsi/snic/snic.h
index e40492d36031..79916e803b26 100644
--- a/drivers/scsi/snic/snic.h
+++ b/drivers/scsi/snic/snic.h
@@ -380,8 +380,7 @@ extern const struct attribute_group *snic_host_groups[];
int snic_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
int snic_abort_cmd(struct scsi_cmnd *);
int snic_device_reset(struct scsi_cmnd *);
-int snic_host_reset(struct scsi_cmnd *);
-int snic_reset(struct Scsi_Host *);
+int snic_host_reset(struct Scsi_Host *);
void snic_shutdown_scsi_cleanup(struct snic *);

diff --git a/drivers/scsi/snic/snic_scsi.c b/drivers/scsi/snic/snic_scsi.c
index 635656ccf30a..3722383fb529 100644
--- a/drivers/scsi/snic/snic_scsi.c
+++ b/drivers/scsi/snic/snic_scsi.c
@@ -2295,8 +2295,15 @@ snic_issue_hba_reset(struct snic *snic, struct scsi_cmnd *sc)
return ret;
} /* end of snic_issue_hba_reset */

+/*
+ * SCSI Error handling calls driver's eh_host_reset if all prior
+ * error handling levels return FAILED.
+ *
+ * Host Reset is the highest level of error recovery. If this fails, then
+ * host is offlined by SCSI.
+ */
int
-snic_reset(struct Scsi_Host *shost)
+snic_host_reset(struct Scsi_Host *shost)
{
struct snic *snic = shost_priv(shost);
struct scsi_cmnd *sc = NULL;
@@ -2360,34 +2367,6 @@ snic_reset(struct Scsi_Host *shost)
(ulong) sc, jiffies_to_msecs(jiffies - start_time),
0, 0, 0);

- return ret;
-} /* end of snic_reset */
-
-/*
- * SCSI Error handling calls driver's eh_host_reset if all prior
- * error handling levels return FAILED.
- *
- * Host Reset is the highest level of error recovery. If this fails, then
- * host is offlined by SCSI.
- */
-int
-snic_host_reset(struct scsi_cmnd *sc)
-{
- struct Scsi_Host *shost = sc->device->host;
- u32 start_time = jiffies;
- int ret;
-
- SNIC_SCSI_DBG(shost,
- "host reset:sc %p sc_cmd 0x%x req %p tag %d flags 0x%llx\n",
- sc, sc->cmnd[0], scsi_cmd_to_rq(sc),
- snic_cmd_tag(sc), CMD_FLAGS(sc));
-
- ret = snic_reset(shost);
-
- SNIC_TRC(shost->host_no, snic_cmd_tag(sc), (ulong) sc,
- jiffies_to_msecs(jiffies - start_time),
- 0, SNIC_TRC_CMD(sc), SNIC_TRC_CMD_STATE_FLAGS(sc));
-
return ret;
} /* end of snic_host_reset */

diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index e6420f2127ce..d6f7e3f541e2 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -1433,14 +1433,13 @@ static int stex_do_reset(struct st_hba *hba)
return -1;
}

-static int stex_reset(struct scsi_cmnd *cmd)
+static int stex_reset(struct Scsi_Host *shost)
{
struct st_hba *hba;

- hba = (struct st_hba *) &cmd->device->host->hostdata[0];
+ hba = (struct st_hba *) &shost->hostdata[0];

- shost_printk(KERN_INFO, cmd->device->host,
- "resetting host\n");
+ shost_printk(KERN_INFO, shost, "resetting host\n");

return stex_do_reset(hba) ? FAILED : SUCCESS;
}
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 9a0bba5a51a7..70bc095c6e78 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1659,9 +1659,9 @@ static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev,
return 0;
}

-static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
+static int storvsc_host_reset_handler(struct Scsi_Host *shost)
{
- struct hv_host_device *host_dev = shost_priv(scmnd->device->host);
+ struct hv_host_device *host_dev = shost_priv(shost);
struct hv_device *device = host_dev->dev;

struct storvsc_device *stor_device;
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index cb8885eb5a5b..a573baa5bdf2 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -693,9 +693,8 @@ static int sym53c8xx_eh_bus_reset_handler(struct scsi_cmnd *cmd)
return SCSI_SUCCESS;
}

-static int sym53c8xx_eh_host_reset_handler(struct scsi_cmnd *cmd)
+static int sym53c8xx_eh_host_reset_handler(struct Scsi_Host *shost)
{
- struct Scsi_Host *shost = cmd->device->host;
struct sym_data *sym_data = shost_priv(shost);
struct pci_dev *pdev = sym_data->pdev;
struct sym_hcb *np = sym_data->ncb;
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 3f9caafa91bf..d1f065d4bcce 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -229,7 +229,7 @@ static struct ufs_dev_fix ufs_fixups[] = {
static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba);
static void ufshcd_async_scan(void *data, async_cookie_t cookie);
static int ufshcd_reset_and_restore(struct ufs_hba *hba);
-static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd);
+static int ufshcd_eh_host_reset_handler(struct Scsi_Host *shost);
static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag);
static void ufshcd_hba_exit(struct ufs_hba *hba);
static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params);
@@ -7311,13 +7311,13 @@ static int ufshcd_reset_and_restore(struct ufs_hba *hba)
*
* Returns SUCCESS/FAILED
*/
-static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd)
+static int ufshcd_eh_host_reset_handler(struct Scsi_Host *shost)
{
int err = SUCCESS;
unsigned long flags;
struct ufs_hba *hba;

- hba = shost_priv(cmd->device->host);
+ hba = shost_priv(shost);

spin_lock_irqsave(hba->host->host_lock, flags);
hba->force_reset = true;
diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c
index f88ecdb93a8a..ddf1837babc0 100644
--- a/drivers/scsi/vmw_pvscsi.c
+++ b/drivers/scsi/vmw_pvscsi.c
@@ -894,14 +894,13 @@ static void pvscsi_reset_all(struct pvscsi_adapter *adapter)
}
}

-static int pvscsi_host_reset(struct scsi_cmnd *cmd)
+static int pvscsi_host_reset(struct Scsi_Host *host)
{
- struct Scsi_Host *host = cmd->device->host;
struct pvscsi_adapter *adapter = shost_priv(host);
unsigned long flags;
bool use_msg;

- scmd_printk(KERN_INFO, cmd, "SCSI Host reset\n");
+ shost_printk(KERN_INFO, host, "SCSI Host reset\n");

spin_lock_irqsave(&adapter->hw_lock, flags);

diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index 3fe562047d85..7cfe736ed6c2 100644
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -1568,13 +1568,11 @@ reset_wd33c93(struct Scsi_Host *instance)
}

int
-wd33c93_host_reset(struct scsi_cmnd * SCpnt)
+wd33c93_host_reset(struct Scsi_Host * instance)
{
- struct Scsi_Host *instance;
struct WD33C93_hostdata *hostdata;
int i;

- instance = SCpnt->device->host;
spin_lock_irq(instance->host_lock);
hostdata = (struct WD33C93_hostdata *) instance->hostdata;

@@ -1599,7 +1597,6 @@ wd33c93_host_reset(struct scsi_cmnd * SCpnt)
hostdata->outgoing_len = 0;

reset_wd33c93(instance);
- SCpnt->result = DID_RESET << 16;
enable_irq(instance->irq);
spin_unlock_irq(instance->host_lock);
return SUCCESS;
diff --git a/drivers/scsi/wd33c93.h b/drivers/scsi/wd33c93.h
index b3800baccd2c..87119e47836a 100644
--- a/drivers/scsi/wd33c93.h
+++ b/drivers/scsi/wd33c93.h
@@ -341,6 +341,6 @@ int wd33c93_queuecommand (struct Scsi_Host *h, struct scsi_cmnd *cmd);
void wd33c93_intr (struct Scsi_Host *instance);
int wd33c93_show_info(struct seq_file *, struct Scsi_Host *);
int wd33c93_write_info(struct Scsi_Host *, char *, int);
-int wd33c93_host_reset (struct scsi_cmnd *);
+int wd33c93_host_reset (struct Scsi_Host *);

#endif /* WD33C93_H */
diff --git a/drivers/scsi/wd719x.c b/drivers/scsi/wd719x.c
index ff1b22077251..02b8eb153944 100644
--- a/drivers/scsi/wd719x.c
+++ b/drivers/scsi/wd719x.c
@@ -520,9 +520,9 @@ static int wd719x_bus_reset(struct scsi_cmnd *cmd)
return wd719x_reset(cmd, WD719X_CMD_BUSRESET, 0);
}

-static int wd719x_host_reset(struct scsi_cmnd *cmd)
+static int wd719x_host_reset(struct Scsi_Host *host)
{
- struct wd719x *wd = shost_priv(cmd->device->host);
+ struct wd719x *wd = shost_priv(host);
struct wd719x_scb *scb, *tmp;
unsigned long flags;

diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c
index 48aa18f8b984..0de0dd09cf9d 100644
--- a/drivers/staging/unisys/visorhba/visorhba_main.c
+++ b/drivers/staging/unisys/visorhba/visorhba_main.c
@@ -390,11 +390,11 @@ static int visorhba_bus_reset_handler(struct scsi_cmnd *scsicmd)

/*
* visorhba_host_reset_handler - Not supported
- * @scsicmd: The scsicmd that needs to be aborted
+ * @shost: The scsi host that needs resetting
*
* Return: Not supported, return SUCCESS
*/
-static int visorhba_host_reset_handler(struct scsi_cmnd *scsicmd)
+static int visorhba_host_reset_handler(struct Scsi_Host *shost)
{
/* issue TASK_MGMT_TARGET_RESET for each target on each bus for host */
return SUCCESS;
diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c
index 874ea4b54ced..8b560772c49a 100644
--- a/drivers/usb/image/microtek.c
+++ b/drivers/usb/image/microtek.c
@@ -345,9 +345,9 @@ static int mts_scsi_abort(struct scsi_cmnd *srb)
return FAILED;
}

-static int mts_scsi_host_reset(struct scsi_cmnd *srb)
+static int mts_scsi_host_reset(struct Scsi_Host *shost)
{
- struct mts_desc* desc = (struct mts_desc*)(srb->device->host->hostdata[0]);
+ struct mts_desc* desc = (struct mts_desc*)(shost->hostdata[0]);
int result;

MTS_DEBUG_GOT_HERE();
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 6e29e1719db1..31f60d2ad318 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -950,7 +950,7 @@ void fc_fcp_destroy(struct fc_lport *);
int fc_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
int fc_eh_abort(struct scsi_cmnd *);
int fc_eh_device_reset(struct scsi_cmnd *);
-int fc_eh_host_reset(struct scsi_cmnd *);
+int fc_eh_host_reset(struct Scsi_Host *);
int fc_slave_alloc(struct scsi_device *);

/*
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 667d889b92b5..3b8d9e65ea57 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -141,7 +141,7 @@ struct scsi_host_template {
int (* eh_device_reset_handler)(struct scsi_cmnd *);
int (* eh_target_reset_handler)(struct scsi_cmnd *);
int (* eh_bus_reset_handler)(struct scsi_cmnd *);
- int (* eh_host_reset_handler)(struct scsi_cmnd *);
+ int (* eh_host_reset_handler)(struct Scsi_Host *);

/*
* Before the mid layer attempts to scan for a new device where none
--
2.29.2