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Move setting of media parameters inside open routines.

Browse Source 
This is preparation for possibility to open/close media several times
per LUN life cycle.  While there, rename variables to reduce confusion.
As additional bonus this allows to open read-only media, such as ZFS
snapshots.
This commit is contained in:
Alexander Motin 2015-09-06 09:54:56 +00:00
parent 17518b1a2b
commit 0bcd4ab6ba
5 changed files with 313 additions and 382 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
sys/cam/ctl/ctl.c
View File

@ -4001,7 +4001,7 @@ ctl_alloc_lun(struct ctl_softc *ctl_softc, struct ctl_lun *ctl_lun,
struct ctl_lun *nlun, *lun;
struct scsi_vpd_id_descriptor *desc;
struct scsi_vpd_id_t10 *t10id;
const char *eui, *naa, *scsiname, *vendor, *value;
const char *eui, *naa, *scsiname, *vendor;
int lun_number, i, lun_malloced;
int devidlen, idlen1, idlen2 = 0, len;
@ -4167,21 +4167,6 @@ ctl_alloc_lun(struct ctl_softc *ctl_softc, struct ctl_lun *ctl_lun,
if (be_lun->flags & CTL_LUN_FLAG_PRIMARY)
lun->flags |= CTL_LUN_PRIMARY_SC;
value = ctl_get_opt(&be_lun->options, "readonly");
if (value != NULL && strcmp(value, "on") == 0)
lun->flags |= CTL_LUN_READONLY;
lun->serseq = CTL_LUN_SERSEQ_OFF;
if (be_lun->flags & CTL_LUN_FLAG_SERSEQ_READ)
lun->serseq = CTL_LUN_SERSEQ_READ;
value = ctl_get_opt(&be_lun->options, "serseq");
if (value != NULL && strcmp(value, "on") == 0)
lun->serseq = CTL_LUN_SERSEQ_ON;
else if (value != NULL && strcmp(value, "read") == 0)
lun->serseq = CTL_LUN_SERSEQ_READ;
else if (value != NULL && strcmp(value, "off") == 0)
lun->serseq = CTL_LUN_SERSEQ_OFF;
lun->ctl_softc = ctl_softc;
#ifdef CTL_TIME_IO
lun->last_busy = getsbinuptime();
@ -6274,7 +6259,7 @@ ctl_mode_sense(struct ctl_scsiio *ctsio)
header->datalen = MIN(total_len - 1, 254);
if (control_dev == 0) {
header->dev_specific = 0x10; /* DPOFUA */
if ((lun->flags & CTL_LUN_READONLY) ||
if ((lun->be_lun->flags & CTL_LUN_FLAG_READONLY) ||
(lun->mode_pages.control_page[CTL_PAGE_CURRENT]
.eca_and_aen & SCP_SWP) != 0)
header->dev_specific |= 0x80; /* WP */
@ -6297,7 +6282,7 @@ ctl_mode_sense(struct ctl_scsiio *ctsio)
scsi_ulto2b(datalen, header->datalen);
if (control_dev == 0) {
header->dev_specific = 0x10; /* DPOFUA */
if ((lun->flags & CTL_LUN_READONLY) ||
if ((lun->be_lun->flags & CTL_LUN_FLAG_READONLY) ||
(lun->mode_pages.control_page[CTL_PAGE_CURRENT]
.eca_and_aen & SCP_SWP) != 0)
header->dev_specific |= 0x80; /* WP */
@ -10530,15 +10515,16 @@ ctl_check_for_blockage(struct ctl_lun *lun, union ctl_io *pending_io,
return (CTL_ACTION_BLOCK);
case CTL_SER_EXTENT:
return (ctl_extent_check(ooa_io, pending_io,
(lun->serseq == CTL_LUN_SERSEQ_ON)));
(lun->be_lun && lun->be_lun->serseq == CTL_LUN_SERSEQ_ON)));
case CTL_SER_EXTENTOPT:
if ((lun->mode_pages.control_page[CTL_PAGE_CURRENT].queue_flags
& SCP_QUEUE_ALG_MASK) != SCP_QUEUE_ALG_UNRESTRICTED)
return (ctl_extent_check(ooa_io, pending_io,
(lun->serseq == CTL_LUN_SERSEQ_ON)));
(lun->be_lun &&
lun->be_lun->serseq == CTL_LUN_SERSEQ_ON)));
return (CTL_ACTION_PASS);
case CTL_SER_EXTENTSEQ:
if (lun->serseq != CTL_LUN_SERSEQ_OFF)
if (lun->be_lun && lun->be_lun->serseq != CTL_LUN_SERSEQ_OFF)
return (ctl_extent_check_seq(ooa_io, pending_io));
return (CTL_ACTION_PASS);
case CTL_SER_PASS:
@ -10765,7 +10751,8 @@ ctl_scsiio_lun_check(struct ctl_lun *lun,
}
if (entry->pattern & CTL_LUN_PAT_WRITE) {
if (lun->flags & CTL_LUN_READONLY) {
if (lun->be_lun &&
lun->be_lun->flags & CTL_LUN_FLAG_READONLY) {
ctl_set_sense(ctsio, /*current_error*/ 1,
/*sense_key*/ SSD_KEY_DATA_PROTECT,
/*asc*/ 0x27, /*ascq*/ 0x01, SSD_ELEM_NONE);

9
sys/cam/ctl/ctl_backend.h
View File

@ -86,9 +86,15 @@ typedef enum {
CTL_LUN_FLAG_DEV_TYPE = 0x40,
CTL_LUN_FLAG_UNMAP = 0x80,
CTL_LUN_FLAG_OFFLINE = 0x100,
CTL_LUN_FLAG_SERSEQ_READ = 0x200
CTL_LUN_FLAG_READONLY = 0x200
} ctl_backend_lun_flags;
typedef enum {
CTL_LUN_SERSEQ_OFF,
CTL_LUN_SERSEQ_READ,
CTL_LUN_SERSEQ_ON
} ctl_lun_serseq;
#ifdef _KERNEL
#define CTL_BACKEND_DECLARE(name, driver) \
@ -195,6 +201,7 @@ typedef void (*be_lun_config_t)(void *be_lun,
struct ctl_be_lun {
uint8_t lun_type; /* passed to CTL */
ctl_backend_lun_flags flags; /* passed to CTL */
ctl_lun_serseq serseq; /* passed to CTL */
void *be_lun; /* passed to CTL */
uint64_t maxlba; /* passed to CTL */
uint32_t blocksize; /* passed to CTL */

461
sys/cam/ctl/ctl_backend_block.c
View File

File diff suppressed because it is too large Load Diff

187
sys/cam/ctl/ctl_backend_ramdisk.c
View File

@ -79,7 +79,7 @@ struct ctl_be_ramdisk_lun {
struct ctl_be_ramdisk_softc *softc;
ctl_be_ramdisk_lun_flags flags;
STAILQ_ENTRY(ctl_be_ramdisk_lun) links;
struct ctl_be_lun ctl_be_lun;
struct ctl_be_lun cbe_lun;
struct taskqueue *io_taskqueue;
struct task io_task;
STAILQ_HEAD(, ctl_io_hdr) cont_queue;
@ -111,7 +111,7 @@ static int ctl_backend_ramdisk_ioctl(struct cdev *dev, u_long cmd,
static int ctl_backend_ramdisk_rm(struct ctl_be_ramdisk_softc *softc,
struct ctl_lun_req *req);
static int ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
struct ctl_lun_req *req, int do_wait);
struct ctl_lun_req *req);
static int ctl_backend_ramdisk_modify(struct ctl_be_ramdisk_softc *softc,
struct ctl_lun_req *req);
static void ctl_backend_ramdisk_worker(void *context, int pending);
@ -194,8 +194,8 @@ ctl_backend_ramdisk_shutdown(void)
* lock of the same mutex, which would cause a hang.
*/
mtx_unlock(&softc->lock);
ctl_disable_lun(&lun->ctl_be_lun);
ctl_invalidate_lun(&lun->ctl_be_lun);
ctl_disable_lun(&lun->cbe_lun);
ctl_invalidate_lun(&lun->cbe_lun);
mtx_lock(&softc->lock);
}
mtx_unlock(&softc->lock);
@ -218,16 +218,16 @@ ctl_backend_ramdisk_shutdown(void)
static int
ctl_backend_ramdisk_move_done(union ctl_io *io)
{
struct ctl_be_lun *ctl_be_lun;
struct ctl_be_lun *cbe_lun;
struct ctl_be_ramdisk_lun *be_lun;
#ifdef CTL_TIME_IO
struct bintime cur_bt;
#endif
CTL_DEBUG_PRINT(("ctl_backend_ramdisk_move_done\n"));
ctl_be_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
cbe_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
CTL_PRIV_BACKEND_LUN].ptr;
be_lun = (struct ctl_be_ramdisk_lun *)ctl_be_lun->be_lun;
be_lun = (struct ctl_be_ramdisk_lun *)cbe_lun->be_lun;
#ifdef CTL_TIME_IO
getbintime(&cur_bt);
bintime_sub(&cur_bt, &io->io_hdr.dma_start_bt);
@ -274,10 +274,10 @@ ctl_backend_ramdisk_move_done(union ctl_io *io)
static int
ctl_backend_ramdisk_submit(union ctl_io *io)
{
struct ctl_be_lun *ctl_be_lun;
struct ctl_be_lun *cbe_lun;
struct ctl_lba_len_flags *lbalen;
ctl_be_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
cbe_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
CTL_PRIV_BACKEND_LUN].ptr;
lbalen = (struct ctl_lba_len_flags *)&io->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
if (lbalen->flags & CTL_LLF_VERIFY) {
@ -286,7 +286,7 @@ ctl_backend_ramdisk_submit(union ctl_io *io)
return (CTL_RETVAL_COMPLETE);
}
io->io_hdr.ctl_private[CTL_PRIV_BACKEND].integer =
lbalen->len * ctl_be_lun->blocksize;
lbalen->len * cbe_lun->blocksize;
ctl_backend_ramdisk_continue(io);
return (CTL_RETVAL_COMPLETE);
}
@ -391,8 +391,7 @@ ctl_backend_ramdisk_ioctl(struct cdev *dev, u_long cmd, caddr_t addr,
switch (lun_req->reqtype) {
case CTL_LUNREQ_CREATE:
retval = ctl_backend_ramdisk_create(softc, lun_req,
/*do_wait*/ 1);
retval = ctl_backend_ramdisk_create(softc, lun_req);
break;
case CTL_LUNREQ_RM:
retval = ctl_backend_ramdisk_rm(softc, lun_req);
@ -434,7 +433,7 @@ ctl_backend_ramdisk_rm(struct ctl_be_ramdisk_softc *softc,
mtx_lock(&softc->lock);
STAILQ_FOREACH(be_lun, &softc->lun_list, links) {
if (be_lun->ctl_be_lun.lun_id == params->lun_id)
if (be_lun->cbe_lun.lun_id == params->lun_id)
break;
}
mtx_unlock(&softc->lock);
@ -446,7 +445,7 @@ ctl_backend_ramdisk_rm(struct ctl_be_ramdisk_softc *softc,
goto bailout_error;
}
retval = ctl_disable_lun(&be_lun->ctl_be_lun);
retval = ctl_disable_lun(&be_lun->cbe_lun);
if (retval != 0) {
snprintf(req->error_str, sizeof(req->error_str),
@ -467,7 +466,7 @@ ctl_backend_ramdisk_rm(struct ctl_be_ramdisk_softc *softc,
be_lun->flags |= CTL_BE_RAMDISK_LUN_WAITING;
mtx_unlock(&softc->lock);
retval = ctl_invalidate_lun(&be_lun->ctl_be_lun);
retval = ctl_invalidate_lun(&be_lun->cbe_lun);
if (retval != 0) {
snprintf(req->error_str, sizeof(req->error_str),
"%s: error %d returned from ctl_invalidate_lun() for "
@ -504,7 +503,7 @@ ctl_backend_ramdisk_rm(struct ctl_be_ramdisk_softc *softc,
if (retval == 0) {
taskqueue_drain(be_lun->io_taskqueue, &be_lun->io_task);
taskqueue_free(be_lun->io_taskqueue);
ctl_free_opts(&be_lun->ctl_be_lun.options);
ctl_free_opts(&be_lun->cbe_lun.options);
mtx_destroy(&be_lun->queue_lock);
free(be_lun, M_RAMDISK);
}
@ -521,122 +520,103 @@ ctl_backend_ramdisk_rm(struct ctl_be_ramdisk_softc *softc,
static int
ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
struct ctl_lun_req *req, int do_wait)
struct ctl_lun_req *req)
{
struct ctl_be_ramdisk_lun *be_lun;
struct ctl_be_lun *cbe_lun;
struct ctl_lun_create_params *params;
uint32_t blocksize;
char *value;
char tmpstr[32];
int retval, unmap;
int retval;
retval = 0;
params = &req->reqdata.create;
if (params->blocksize_bytes != 0)
blocksize = params->blocksize_bytes;
else
blocksize = 512;
be_lun = malloc(sizeof(*be_lun), M_RAMDISK, M_ZERO | (do_wait ?
M_WAITOK : M_NOWAIT));
if (be_lun == NULL) {
snprintf(req->error_str, sizeof(req->error_str),
"%s: error allocating %zd bytes", __func__,
sizeof(*be_lun));
goto bailout_error;
}
be_lun = malloc(sizeof(*be_lun), M_RAMDISK, M_ZERO | M_WAITOK);
cbe_lun = &be_lun->cbe_lun;
cbe_lun->be_lun = be_lun;
be_lun->softc = softc;
sprintf(be_lun->lunname, "cram%d", softc->num_luns);
ctl_init_opts(&be_lun->ctl_be_lun.options,
req->num_be_args, req->kern_be_args);
ctl_init_opts(&cbe_lun->options, req->num_be_args, req->kern_be_args);
if (params->flags & CTL_LUN_FLAG_DEV_TYPE)
be_lun->ctl_be_lun.lun_type = params->device_type;
cbe_lun->lun_type = params->device_type;
else
be_lun->ctl_be_lun.lun_type = T_DIRECT;
cbe_lun->lun_type = T_DIRECT;
be_lun->flags = CTL_BE_RAMDISK_LUN_UNCONFIGURED;
cbe_lun->flags = CTL_LUN_FLAG_PRIMARY;
if (be_lun->ctl_be_lun.lun_type == T_DIRECT) {
if (params->lun_size_bytes < blocksize) {
if (cbe_lun->lun_type == T_DIRECT) {
if (params->blocksize_bytes != 0)
cbe_lun->blocksize = params->blocksize_bytes;
else
cbe_lun->blocksize = 512;
if (params->lun_size_bytes < cbe_lun->blocksize) {
snprintf(req->error_str, sizeof(req->error_str),
"%s: LUN size %ju < blocksize %u", __func__,
params->lun_size_bytes, blocksize);
params->lun_size_bytes, cbe_lun->blocksize);
goto bailout_error;
}
be_lun->size_blocks = params->lun_size_bytes / blocksize;
be_lun->size_bytes = be_lun->size_blocks * blocksize;
be_lun->ctl_be_lun.maxlba = be_lun->size_blocks - 1;
be_lun->ctl_be_lun.atomicblock = UINT32_MAX;
be_lun->ctl_be_lun.opttxferlen = softc->rd_size / blocksize;
} else {
be_lun->ctl_be_lun.maxlba = 0;
blocksize = 0;
be_lun->size_bytes = 0;
be_lun->size_blocks = 0;
be_lun->size_blocks = params->lun_size_bytes / cbe_lun->blocksize;
be_lun->size_bytes = be_lun->size_blocks * cbe_lun->blocksize;
cbe_lun->maxlba = be_lun->size_blocks - 1;
cbe_lun->atomicblock = UINT32_MAX;
cbe_lun->opttxferlen = softc->rd_size / cbe_lun->blocksize;
}
be_lun->ctl_be_lun.blocksize = blocksize;
/* Tell the user the blocksize we ended up using */
params->blocksize_bytes = blocksize;
/* Tell the user the exact size we ended up using */
params->blocksize_bytes = cbe_lun->blocksize;
params->lun_size_bytes = be_lun->size_bytes;
be_lun->softc = softc;
unmap = 1;
value = ctl_get_opt(&be_lun->ctl_be_lun.options, "unmap");
value = ctl_get_opt(&cbe_lun->options, "unmap");
if (value != NULL && strcmp(value, "on") == 0)
unmap = (strcmp(value, "on") == 0);
be_lun->flags = CTL_BE_RAMDISK_LUN_UNCONFIGURED;
be_lun->ctl_be_lun.flags = CTL_LUN_FLAG_PRIMARY;
if (unmap)
be_lun->ctl_be_lun.flags |= CTL_LUN_FLAG_UNMAP;
be_lun->ctl_be_lun.be_lun = be_lun;
cbe_lun->flags |= CTL_LUN_FLAG_UNMAP;
value = ctl_get_opt(&cbe_lun->options, "readonly");
if (value != NULL && strcmp(value, "on") == 0)
cbe_lun->flags |= CTL_LUN_FLAG_READONLY;
cbe_lun->serseq = CTL_LUN_SERSEQ_OFF;
value = ctl_get_opt(&cbe_lun->options, "serseq");
if (value != NULL && strcmp(value, "on") == 0)
cbe_lun->serseq = CTL_LUN_SERSEQ_ON;
else if (value != NULL && strcmp(value, "read") == 0)
cbe_lun->serseq = CTL_LUN_SERSEQ_READ;
else if (value != NULL && strcmp(value, "off") == 0)
cbe_lun->serseq = CTL_LUN_SERSEQ_OFF;
if (params->flags & CTL_LUN_FLAG_ID_REQ) {
be_lun->ctl_be_lun.req_lun_id = params->req_lun_id;
be_lun->ctl_be_lun.flags |= CTL_LUN_FLAG_ID_REQ;
cbe_lun->req_lun_id = params->req_lun_id;
cbe_lun->flags |= CTL_LUN_FLAG_ID_REQ;
} else
be_lun->ctl_be_lun.req_lun_id = 0;
cbe_lun->req_lun_id = 0;
be_lun->ctl_be_lun.lun_shutdown = ctl_backend_ramdisk_lun_shutdown;
be_lun->ctl_be_lun.lun_config_status =
ctl_backend_ramdisk_lun_config_status;
be_lun->ctl_be_lun.be = &ctl_be_ramdisk_driver;
cbe_lun->lun_shutdown = ctl_backend_ramdisk_lun_shutdown;
cbe_lun->lun_config_status = ctl_backend_ramdisk_lun_config_status;
cbe_lun->be = &ctl_be_ramdisk_driver;
if ((params->flags & CTL_LUN_FLAG_SERIAL_NUM) == 0) {
snprintf(tmpstr, sizeof(tmpstr), "MYSERIAL%4d",
softc->num_luns);
strncpy((char *)be_lun->ctl_be_lun.serial_num, tmpstr,
MIN(sizeof(be_lun->ctl_be_lun.serial_num),
sizeof(tmpstr)));
strncpy((char *)cbe_lun->serial_num, tmpstr,
MIN(sizeof(cbe_lun->serial_num), sizeof(tmpstr)));
/* Tell the user what we used for a serial number */
strncpy((char *)params->serial_num, tmpstr,
MIN(sizeof(params->serial_num), sizeof(tmpstr)));
} else {
strncpy((char *)be_lun->ctl_be_lun.serial_num,
params->serial_num,
MIN(sizeof(be_lun->ctl_be_lun.serial_num),
strncpy((char *)cbe_lun->serial_num, params->serial_num,
MIN(sizeof(cbe_lun->serial_num),
sizeof(params->serial_num)));
}
if ((params->flags & CTL_LUN_FLAG_DEVID) == 0) {
snprintf(tmpstr, sizeof(tmpstr), "MYDEVID%4d", softc->num_luns);
strncpy((char *)be_lun->ctl_be_lun.device_id, tmpstr,
MIN(sizeof(be_lun->ctl_be_lun.device_id),
sizeof(tmpstr)));
strncpy((char *)cbe_lun->device_id, tmpstr,
MIN(sizeof(cbe_lun->device_id), sizeof(tmpstr)));
/* Tell the user what we used for a device ID */
strncpy((char *)params->device_id, tmpstr,
MIN(sizeof(params->device_id), sizeof(tmpstr)));
} else {
strncpy((char *)be_lun->ctl_be_lun.device_id,
params->device_id,
MIN(sizeof(be_lun->ctl_be_lun.device_id),
strncpy((char *)cbe_lun->device_id, params->device_id,
MIN(sizeof(cbe_lun->device_id),
sizeof(params->device_id)));
}
@ -667,7 +647,7 @@ ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
mtx_unlock(&softc->lock);
retval = ctl_add_lun(&be_lun->ctl_be_lun);
retval = ctl_add_lun(&be_lun->cbe_lun);
if (retval != 0) {
mtx_lock(&softc->lock);
STAILQ_REMOVE(&softc->lun_list, be_lun, ctl_be_ramdisk_lun,
@ -681,9 +661,6 @@ ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
goto bailout_error;
}
if (do_wait == 0)
return (retval);
mtx_lock(&softc->lock);
/*
@ -709,7 +686,7 @@ ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
mtx_unlock(&softc->lock);
goto bailout_error;
} else {
params->req_lun_id = be_lun->ctl_be_lun.lun_id;
params->req_lun_id = cbe_lun->lun_id;
}
mtx_unlock(&softc->lock);
@ -723,7 +700,7 @@ ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
if (be_lun->io_taskqueue != NULL) {
taskqueue_free(be_lun->io_taskqueue);
}
ctl_free_opts(&be_lun->ctl_be_lun.options);
ctl_free_opts(&cbe_lun->options);
mtx_destroy(&be_lun->queue_lock);
free(be_lun, M_RAMDISK);
}
@ -745,7 +722,7 @@ ctl_backend_ramdisk_modify(struct ctl_be_ramdisk_softc *softc,
mtx_lock(&softc->lock);
STAILQ_FOREACH(be_lun, &softc->lun_list, links) {
if (be_lun->ctl_be_lun.lun_id == params->lun_id)
if (be_lun->cbe_lun.lun_id == params->lun_id)
break;
}
mtx_unlock(&softc->lock);
@ -764,7 +741,7 @@ ctl_backend_ramdisk_modify(struct ctl_be_ramdisk_softc *softc,
goto bailout_error;
}
blocksize = be_lun->ctl_be_lun.blocksize;
blocksize = be_lun->cbe_lun.blocksize;
if (params->lun_size_bytes < blocksize) {
snprintf(req->error_str, sizeof(req->error_str),
@ -782,8 +759,8 @@ ctl_backend_ramdisk_modify(struct ctl_be_ramdisk_softc *softc,
* XXX: Note that this field is being updated without locking,
* which might cause problems on 32-bit architectures.
*/
be_lun->ctl_be_lun.maxlba = be_lun->size_blocks - 1;
ctl_lun_capacity_changed(&be_lun->ctl_be_lun);
be_lun->cbe_lun.maxlba = be_lun->size_blocks - 1;
ctl_lun_capacity_changed(&be_lun->cbe_lun);
/* Tell the user the exact size we ended up using */
params->lun_size_bytes = be_lun->size_bytes;
@ -848,9 +825,9 @@ ctl_backend_ramdisk_lun_config_status(void *be_lun,
/*
* We successfully added the LUN, attempt to enable it.
*/
if (ctl_enable_lun(&lun->ctl_be_lun) != 0) {
if (ctl_enable_lun(&lun->cbe_lun) != 0) {
printf("%s: ctl_enable_lun() failed!\n", __func__);
if (ctl_invalidate_lun(&lun->ctl_be_lun) != 0) {
if (ctl_invalidate_lun(&lun->cbe_lun) != 0) {
printf("%s: ctl_invalidate_lun() failed!\n",
__func__);
}
@ -911,23 +888,23 @@ ctl_backend_ramdisk_config_write(union ctl_io *io)
break;
case START_STOP_UNIT: {
struct scsi_start_stop_unit *cdb;
struct ctl_be_lun *ctl_be_lun;
struct ctl_be_lun *cbe_lun;
struct ctl_be_ramdisk_lun *be_lun;
cdb = (struct scsi_start_stop_unit *)io->scsiio.cdb;
ctl_be_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
cbe_lun = (struct ctl_be_lun *)io->io_hdr.ctl_private[
CTL_PRIV_BACKEND_LUN].ptr;
be_lun = (struct ctl_be_ramdisk_lun *)ctl_be_lun->be_lun;
be_lun = (struct ctl_be_ramdisk_lun *)cbe_lun->be_lun;
if (cdb->how & SSS_START)
retval = ctl_start_lun(ctl_be_lun);
retval = ctl_start_lun(cbe_lun);
else {
retval = ctl_stop_lun(ctl_be_lun);
retval = ctl_stop_lun(cbe_lun);
#ifdef NEEDTOPORT
if ((retval == 0)
&& (cdb->byte2 & SSS_ONOFFLINE))
retval = ctl_lun_offline(ctl_be_lun);
retval = ctl_lun_offline(cbe_lun);
#endif
}

7
sys/cam/ctl/ctl_private.h
View File

@ -160,12 +160,6 @@ typedef enum {
CTL_LUN_READONLY = 0x800
} ctl_lun_flags;
typedef enum {
CTL_LUN_SERSEQ_OFF,
CTL_LUN_SERSEQ_READ,
CTL_LUN_SERSEQ_ON
} ctl_lun_serseq;
typedef enum {
CTLBLOCK_FLAG_NONE = 0x00,
CTLBLOCK_FLAG_INVALID = 0x01
@ -376,7 +370,6 @@ struct ctl_lun {
struct mtx lun_lock;
uint64_t lun;
ctl_lun_flags flags;
ctl_lun_serseq serseq;
STAILQ_HEAD(,ctl_error_desc) error_list;
uint64_t error_serial;
struct ctl_softc *ctl_softc;