static int clariion_activate(struct scsi_device *sdev)
{
struct clariion_dh_data *csdev = get_clariion_data(sdev);
int result;
result = clariion_send_inquiry(sdev, csdev);
if (result != SCSI_DH_OK)
goto done;
if (csdev->lun_state == CLARIION_LUN_OWNED)
goto done;
result = send_trespass_cmd(sdev, csdev);
if (result != SCSI_DH_OK)
goto done;
sdev_printk(KERN_INFO, sdev,"%s: %s trespass command sent\n",
CLARIION_NAME,
csdev->flags&CLARIION_SHORT_TRESPASS?"short":"long" );
/* Update status */
result = clariion_send_inquiry(sdev, csdev);
if (result != SCSI_DH_OK)
goto done;
done:
sdev_printk(KERN_INFO, sdev,
"%s: at SP %c Port %d (%s, default SP %c)\n",
CLARIION_NAME, csdev->current_sp + 'A',
csdev->port, lun_state[csdev->lun_state],
csdev->default_sp + 'A');
return result;
}
/*
* params - parameters in the following format
* "no_of_params\0param1\0param2\0param3\0...\0"
* for example, string for 2 parameters with value 10 and 21
* is specified as "2\010\021\0".
*/
static int clariion_set_params(struct scsi_device *sdev, const char *params)
{
struct clariion_dh_data *csdev = sdev->handler_data;
unsigned int hr = 0, st = 0, argc;
const char *p = params;
int result = SCSI_DH_OK;
if ((sscanf(params, "%u", &argc) != 1) || (argc != 2))
return -EINVAL;
while (*p++)
;
if ((sscanf(p, "%u", &st) != 1) || (st > 1))
return -EINVAL;
while (*p++)
;
if ((sscanf(p, "%u", &hr) != 1) || (hr > 1))
return -EINVAL;
if (st)
csdev->flags |= CLARIION_SHORT_TRESPASS;
else
csdev->flags &= ~CLARIION_SHORT_TRESPASS;
if (hr)
csdev->flags |= CLARIION_HONOR_RESERVATIONS;
else
csdev->flags &= ~CLARIION_HONOR_RESERVATIONS;
/*
* If this path is owned, we have to send a trespass command
* with the new parameters. If not, simply return. Next trespass
* command would use the parameters.
*/
if (csdev->lun_state != CLARIION_LUN_OWNED)
goto done;
csdev->lun_state = CLARIION_LUN_UNINITIALIZED;
result = send_trespass_cmd(sdev, csdev);
if (result != SCSI_DH_OK)
goto done;
/* Update status */
result = clariion_send_inquiry(sdev, csdev);
done:
return result;
}
static int clariion_activate(struct scsi_device *sdev,
activate_complete fn, void *data)
{
struct clariion_dh_data *csdev = get_clariion_data(sdev);
int result;
result = clariion_send_inquiry(sdev, csdev);
if (result != SCSI_DH_OK)
goto done;
if (csdev->lun_state == CLARIION_LUN_OWNED)
goto done;
result = send_trespass_cmd(sdev, csdev);
if (result != SCSI_DH_OK)
goto done;
// sdev_printk(KERN_INFO, sdev,"%s: %s trespass command sent\n",
// CLARIION_NAME,
;
/* Update status */
result = clariion_send_inquiry(sdev, csdev);
if (result != SCSI_DH_OK)
goto done;
done:
// sdev_printk(KERN_INFO, sdev,
// "%s: at SP %c Port %d (%s, default SP %c)\n",
// CLARIION_NAME, csdev->current_sp + 'A',
// csdev->port, lun_state[csdev->lun_state],
;
if (fn)
fn(data, result);
return 0;
}
