static int send_trespass_cmd(struct scsi_device *sdev,
struct clariion_dh_data *csdev)
{
struct request *rq;
unsigned char *page22;
int err, len, cmd;
if (csdev->flags & CLARIION_SHORT_TRESPASS) {
page22 = short_trespass;
if (!(csdev->flags & CLARIION_HONOR_RESERVATIONS))
/* Set Honor Reservations bit */
page22[6] |= 0x80;
len = sizeof(short_trespass);
cmd = MODE_SELECT;
} else {
page22 = long_trespass;
if (!(csdev->flags & CLARIION_HONOR_RESERVATIONS))
/* Set Honor Reservations bit */
page22[10] |= 0x80;
len = sizeof(long_trespass);
cmd = MODE_SELECT_10;
}
BUG_ON((len > CLARIION_BUFFER_SIZE));
memcpy(csdev->buffer, page22, len);
rq = get_req(sdev, cmd, csdev->buffer);
if (!rq)
return SCSI_DH_RES_TEMP_UNAVAIL;
rq->sense = csdev->sense;
memset(rq->sense, 0, SCSI_SENSE_BUFFERSIZE);
rq->sense_len = csdev->senselen = 0;
err = blk_execute_rq(sdev->request_queue, NULL, rq, 1);
if (err == -EIO) {
if (rq->sense_len) {
err = trespass_endio(sdev, csdev->sense);
} else {
sdev_printk(KERN_INFO, sdev,
"%s: failed to send MODE SELECT: %x\n",
CLARIION_NAME, rq->errors);
}
}
blk_put_request(rq);
return err;
}
static int clariion_activate(struct scsi_device *sdev)
{
int result, done = 0;
result = send_cmd(sdev, INQUIRY);
result = sp_info_endio(sdev, result, 0, &done);
if (result || done)
goto done;
result = send_cmd(sdev, MODE_SELECT);
result = trespass_endio(sdev, result);
if (result)
goto done;
result = send_cmd(sdev, INQUIRY);
result = sp_info_endio(sdev, result, 1, NULL);
done:
return result;
}
