aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--block/iscsi.c67
-rwxr-xr-xconfigure39
2 files changed, 3 insertions, 103 deletions
diff --git a/block/iscsi.c b/block/iscsi.c
index 38754872fa..83c7992fc7 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -369,17 +369,6 @@ static int coroutine_fn iscsi_co_writev(BlockDriverState *bs,
lba = sector_qemu2lun(sector_num, iscsilun);
num_sectors = sector_qemu2lun(nb_sectors, iscsilun);
-#if !defined(LIBISCSI_FEATURE_IOVECTOR)
- /* if the iovec only contains one buffer we can pass it directly */
- if (iov->niov == 1) {
- data = iov->iov[0].iov_base;
- } else {
- size_t size = MIN(nb_sectors * BDRV_SECTOR_SIZE, iov->size);
- buf = g_malloc(size);
- qemu_iovec_to_buf(iov, 0, buf, size);
- data = buf;
- }
-#endif
iscsi_co_init_iscsitask(iscsilun, &iTask);
retry:
if (iscsilun->use_16_for_rw) {
@@ -397,10 +386,8 @@ retry:
g_free(buf);
return -ENOMEM;
}
-#if defined(LIBISCSI_FEATURE_IOVECTOR)
scsi_task_set_iov_out(iTask.task, (struct scsi_iovec *) iov->iov,
iov->niov);
-#endif
while (!iTask.complete) {
iscsi_set_events(iscsilun);
qemu_coroutine_yield();
@@ -428,7 +415,6 @@ retry:
}
-#if defined(LIBISCSI_FEATURE_IOVECTOR)
static bool iscsi_allocationmap_is_allocated(IscsiLun *iscsilun,
int64_t sector_num, int nb_sectors)
{
@@ -538,9 +524,6 @@ out:
return ret;
}
-#endif /* LIBISCSI_FEATURE_IOVECTOR */
-
-
static int coroutine_fn iscsi_co_readv(BlockDriverState *bs,
int64_t sector_num, int nb_sectors,
QEMUIOVector *iov)
@@ -549,15 +532,11 @@ static int coroutine_fn iscsi_co_readv(BlockDriverState *bs,
struct IscsiTask iTask;
uint64_t lba;
uint32_t num_sectors;
-#if !defined(LIBISCSI_FEATURE_IOVECTOR)
- int i;
-#endif
if (!is_request_lun_aligned(sector_num, nb_sectors, iscsilun)) {
return -EINVAL;
}
-#if defined(LIBISCSI_FEATURE_IOVECTOR)
if (iscsilun->lbprz && nb_sectors >= ISCSI_CHECKALLOC_THRES &&
!iscsi_allocationmap_is_allocated(iscsilun, sector_num, nb_sectors)) {
int64_t ret;
@@ -571,7 +550,6 @@ static int coroutine_fn iscsi_co_readv(BlockDriverState *bs,
return 0;
}
}
-#endif
lba = sector_qemu2lun(sector_num, iscsilun);
num_sectors = sector_qemu2lun(nb_sectors, iscsilun);
@@ -587,23 +565,13 @@ retry:
iTask.task = iscsi_read10_task(iscsilun->iscsi, iscsilun->lun, lba,
num_sectors * iscsilun->block_size,
iscsilun->block_size,
-#if !defined(CONFIG_LIBISCSI_1_4) /* API change from 1.4.0 to 1.5.0 */
0, 0, 0, 0, 0,
-#endif
iscsi_co_generic_cb, &iTask);
}
if (iTask.task == NULL) {
return -ENOMEM;
}
-#if defined(LIBISCSI_FEATURE_IOVECTOR)
scsi_task_set_iov_in(iTask.task, (struct scsi_iovec *) iov->iov, iov->niov);
-#else
- for (i = 0; i < iov->niov; i++) {
- scsi_task_add_data_in_buffer(iTask.task,
- iov->iov[i].iov_len,
- iov->iov[i].iov_base);
- }
-#endif
while (!iTask.complete) {
iscsi_set_events(iscsilun);
@@ -758,18 +726,9 @@ static BlockDriverAIOCB *iscsi_aio_ioctl(BlockDriverState *bs,
data.data = acb->ioh->dxferp;
data.size = acb->ioh->dxfer_len;
} else {
-#if defined(LIBISCSI_FEATURE_IOVECTOR)
scsi_task_set_iov_out(acb->task,
(struct scsi_iovec *) acb->ioh->dxferp,
acb->ioh->iovec_count);
-#else
- struct iovec *iov = (struct iovec *)acb->ioh->dxferp;
-
- acb->buf = g_malloc(acb->ioh->dxfer_len);
- data.data = acb->buf;
- data.size = iov_to_buf(iov, acb->ioh->iovec_count, 0,
- acb->buf, acb->ioh->dxfer_len);
-#endif
}
}
@@ -789,20 +748,9 @@ static BlockDriverAIOCB *iscsi_aio_ioctl(BlockDriverState *bs,
acb->ioh->dxfer_len,
acb->ioh->dxferp);
} else {
-#if defined(LIBISCSI_FEATURE_IOVECTOR)
scsi_task_set_iov_in(acb->task,
(struct scsi_iovec *) acb->ioh->dxferp,
acb->ioh->iovec_count);
-#else
- int i;
- for (i = 0; i < acb->ioh->iovec_count; i++) {
- struct iovec *iov = (struct iovec *)acb->ioh->dxferp;
-
- scsi_task_add_data_in_buffer(acb->task,
- iov[i].iov_len,
- iov[i].iov_base);
- }
-#endif
}
}
@@ -811,7 +759,6 @@ static BlockDriverAIOCB *iscsi_aio_ioctl(BlockDriverState *bs,
return &acb->common;
}
-
static void ioctl_cb(void *opaque, int status)
{
int *p_status = opaque;
@@ -916,8 +863,6 @@ retry:
return 0;
}
-#if defined(SCSI_SENSE_ASCQ_CAPACITY_DATA_HAS_CHANGED)
-
static int
coroutine_fn iscsi_co_write_zeroes(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, BdrvRequestFlags flags)
@@ -1012,8 +957,6 @@ retry:
return 0;
}
-#endif /* SCSI_SENSE_ASCQ_CAPACITY_DATA_HAS_CHANGED */
-
static void parse_chap(struct iscsi_context *iscsi, const char *target,
Error **errp)
{
@@ -1123,7 +1066,6 @@ static char *parse_initiator_name(const char *target)
return iscsi_name;
}
-#if defined(LIBISCSI_FEATURE_NOP_COUNTER)
static void iscsi_nop_timed_event(void *opaque)
{
IscsiLun *iscsilun = opaque;
@@ -1141,7 +1083,6 @@ static void iscsi_nop_timed_event(void *opaque)
timer_mod(iscsilun->nop_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
iscsi_set_events(iscsilun);
}
-#endif
static void iscsi_readcapacity_sync(IscsiLun *iscsilun, Error **errp)
{
@@ -1280,14 +1221,12 @@ static void iscsi_attach_aio_context(BlockDriverState *bs,
iscsilun->aio_context = new_context;
iscsi_set_events(iscsilun);
-#if defined(LIBISCSI_FEATURE_NOP_COUNTER)
/* Set up a timer for sending out iSCSI NOPs */
iscsilun->nop_timer = aio_timer_new(iscsilun->aio_context,
QEMU_CLOCK_REALTIME, SCALE_MS,
iscsi_nop_timed_event, iscsilun);
timer_mod(iscsilun->nop_timer,
qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
-#endif
}
/*
@@ -1479,13 +1418,11 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
iscsilun->bl.opt_unmap_gran * iscsilun->block_size <= 16 * 1024 * 1024) {
iscsilun->cluster_sectors = (iscsilun->bl.opt_unmap_gran *
iscsilun->block_size) >> BDRV_SECTOR_BITS;
-#if defined(LIBISCSI_FEATURE_IOVECTOR)
if (iscsilun->lbprz && !(bs->open_flags & BDRV_O_NOCACHE)) {
iscsilun->allocationmap =
bitmap_new(DIV_ROUND_UP(bs->total_sectors,
iscsilun->cluster_sectors));
}
-#endif
}
out:
@@ -1670,13 +1607,9 @@ static BlockDriver bdrv_iscsi = {
.bdrv_truncate = iscsi_truncate,
.bdrv_refresh_limits = iscsi_refresh_limits,
-#if defined(LIBISCSI_FEATURE_IOVECTOR)
.bdrv_co_get_block_status = iscsi_co_get_block_status,
-#endif
.bdrv_co_discard = iscsi_co_discard,
-#if defined(SCSI_SENSE_ASCQ_CAPACITY_DATA_HAS_CHANGED)
.bdrv_co_write_zeroes = iscsi_co_write_zeroes,
-#endif
.bdrv_co_readv = iscsi_co_readv,
.bdrv_co_writev = iscsi_co_writev,
.bdrv_co_flush_to_disk = iscsi_co_flush,
diff --git a/configure b/configure
index 27d84d9fdb..a69e90b570 100755
--- a/configure
+++ b/configure
@@ -3405,46 +3405,20 @@ if compile_prog "" "" ; then
fi
##########################################
-# Do we have libiscsi
-# We check for iscsi_write16_sync() to make sure we have a
-# at least version 1.4.0 of libiscsi.
+# Do we have libiscsi >= 1.9.0
if test "$libiscsi" != "no" ; then
- cat > $TMPC << EOF
-#include <stdio.h>
-#include <iscsi/iscsi.h>
-int main(void) { iscsi_write16_sync(NULL,0,0,NULL,0,0,0,0,0,0,0); return 0; }
-EOF
- if $pkg_config --atleast-version=1.7.0 libiscsi; then
+ if $pkg_config --atleast-version=1.9.0 libiscsi; then
libiscsi="yes"
libiscsi_cflags=$($pkg_config --cflags libiscsi)
libiscsi_libs=$($pkg_config --libs libiscsi)
- elif compile_prog "" "-liscsi" ; then
- libiscsi="yes"
- libiscsi_libs="-liscsi"
else
if test "$libiscsi" = "yes" ; then
- feature_not_found "libiscsi" "Install libiscsi devel"
+ feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
fi
libiscsi="no"
fi
fi
-# We also need to know the API version because there was an
-# API change from 1.4.0 to 1.5.0.
-if test "$libiscsi" = "yes"; then
- cat >$TMPC <<EOF
-#include <iscsi/iscsi.h>
-int main(void)
-{
- iscsi_read10_task(0, 0, 0, 0, 0, 0, 0);
- return 0;
-}
-EOF
- if compile_prog "" "-liscsi"; then
- libiscsi_version="1.4.0"
- fi
-fi
-
##########################################
# Do we need libm
cat > $TMPC << EOF
@@ -4218,11 +4192,7 @@ echo "nss used $smartcard_nss"
echo "libusb $libusb"
echo "usb net redir $usb_redir"
echo "GLX support $glx"
-if test "$libiscsi_version" = "1.4.0"; then
-echo "libiscsi support $libiscsi (1.4.0)"
-else
echo "libiscsi support $libiscsi"
-fi
echo "libnfs support $libnfs"
echo "build guest agent $guest_agent"
echo "QGA VSS support $guest_agent_with_vss"
@@ -4579,9 +4549,6 @@ fi
if test "$libiscsi" = "yes" ; then
echo "CONFIG_LIBISCSI=m" >> $config_host_mak
- if test "$libiscsi_version" = "1.4.0"; then
- echo "CONFIG_LIBISCSI_1_4=y" >> $config_host_mak
- fi
echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
fi