From d12ad44cc4cc9142179e64295608611f118b8ad8 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 28 Nov 2013 11:01:13 +0100 Subject: scsi-bus: fix transfer length and direction for VERIFY command MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The amount of bytes to transfer depends on the BYTCHK field. If any data is transferred, it is sent to the device. Cc: qemu-stable@nongnu.org Tested-by: Hervé Poussineau Signed-off-by: Paolo Bonzini --- hw/scsi/scsi-bus.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index ea916d1..2d6ce4d 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -886,7 +886,6 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) case RELEASE: case ERASE: case ALLOW_MEDIUM_REMOVAL: - case VERIFY_10: case SEEK_10: case SYNCHRONIZE_CACHE: case SYNCHRONIZE_CACHE_16: @@ -903,6 +902,16 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) case ALLOW_OVERWRITE: cmd->xfer = 0; break; + case VERIFY_10: + case VERIFY_12: + case VERIFY_16: + if ((buf[1] & 2) == 0) { + cmd->xfer = 0; + } else if ((buf[1] & 4) == 1) { + cmd->xfer = 1; + } + cmd->xfer *= dev->blocksize; + break; case MODE_SENSE: break; case WRITE_SAME_10: @@ -1100,6 +1109,9 @@ static void scsi_cmd_xfer_mode(SCSICommand *cmd) case WRITE_VERIFY_12: case WRITE_16: case WRITE_VERIFY_16: + case VERIFY_10: + case VERIFY_12: + case VERIFY_16: case COPY: case COPY_VERIFY: case COMPARE: -- cgit v1.1 From d97e7730816094a71cd1f19a56d7a73f77cdbf96 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 28 Nov 2013 11:18:56 +0100 Subject: scsi-disk: fix VERIFY emulation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit VERIFY emulation was completely botched (and remained botched through all the refactorings). The command must be emulated both in check-medium mode (BYTCHK=00, which we implement by doing nothing) and in check-bytes mode (which we do not implement yet). Unlike WRITE AND VERIFY (which we treat simply as WRITE with FUA bit set), VERIFY cannot be handled like READ. In fact the device is _receiving_ data for VERIFY, not _sending_ it like READ. Cc: qemu-stable@nongnu.org Tested-by: Hervé Poussineau Signed-off-by: Paolo Bonzini --- hw/scsi/scsi-disk.c | 27 ++++++++++++++++++++------- 1 file changed, 20 insertions(+), 7 deletions(-) diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index efadfc0..6904ac2 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -1720,10 +1720,19 @@ static void scsi_disk_emulate_write_data(SCSIRequest *req) scsi_disk_emulate_unmap(r, r->iov.iov_base); break; + case VERIFY_10: + case VERIFY_12: + case VERIFY_16: + if (r->req.status == -1) { + scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); + } + break; + case WRITE_SAME_10: case WRITE_SAME_16: scsi_disk_emulate_write_same(r, r->iov.iov_base); break; + default: abort(); } @@ -1964,6 +1973,14 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) case UNMAP: DPRINTF("Unmap (len %lu)\n", (long)r->req.cmd.xfer); break; + case VERIFY_10: + case VERIFY_12: + case VERIFY_16: + DPRINTF("Verify (bytchk %lu)\n", (r->req.buf[1] >> 1) & 3); + if (req->cmd.buf[1] & 6) { + goto illegal_request; + } + break; case WRITE_SAME_10: case WRITE_SAME_16: DPRINTF("WRITE SAME %d (len %lu)\n", @@ -2044,10 +2061,6 @@ static int32_t scsi_disk_dma_command(SCSIRequest *req, uint8_t *buf) scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED)); return 0; } - /* fallthrough */ - case VERIFY_10: - case VERIFY_12: - case VERIFY_16: DPRINTF("Write %s(sector %" PRId64 ", count %u)\n", (command & 0xe) == 0xe ? "And Verify " : "", r->req.cmd.lba, len); @@ -2315,14 +2328,14 @@ static const SCSIReqOps *const scsi_disk_reqops_dispatch[256] = { [UNMAP] = &scsi_disk_emulate_reqops, [WRITE_SAME_10] = &scsi_disk_emulate_reqops, [WRITE_SAME_16] = &scsi_disk_emulate_reqops, + [VERIFY_10] = &scsi_disk_emulate_reqops, + [VERIFY_12] = &scsi_disk_emulate_reqops, + [VERIFY_16] = &scsi_disk_emulate_reqops, [READ_6] = &scsi_disk_dma_reqops, [READ_10] = &scsi_disk_dma_reqops, [READ_12] = &scsi_disk_dma_reqops, [READ_16] = &scsi_disk_dma_reqops, - [VERIFY_10] = &scsi_disk_dma_reqops, - [VERIFY_12] = &scsi_disk_dma_reqops, - [VERIFY_16] = &scsi_disk_dma_reqops, [WRITE_6] = &scsi_disk_dma_reqops, [WRITE_10] = &scsi_disk_dma_reqops, [WRITE_12] = &scsi_disk_dma_reqops, -- cgit v1.1 From 063c3378a9e3c25cc0afac3c72e4823d0621e352 Mon Sep 17 00:00:00 2001 From: Peter Lieven Date: Thu, 5 Dec 2013 16:47:17 +0100 Subject: block/iscsi: introduce bdrv_co_{readv, writev, flush_to_disk} this converts read, write and flush functions from aio to coroutines eliminating almost 200 lines of code. The requirement for libiscsi is bumped to version 1.4.0 which was released in may 2012. Signed-off-by: Peter Lieven Signed-off-by: Paolo Bonzini --- block/iscsi.c | 401 +++++++++++++++------------------------------------------- configure | 6 +- 2 files changed, 108 insertions(+), 299 deletions(-) diff --git a/block/iscsi.c b/block/iscsi.c index 829d444..fa69408 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -239,44 +239,6 @@ iscsi_process_write(void *arg) iscsi_set_events(iscsilun); } -static int -iscsi_aio_writev_acb(IscsiAIOCB *acb); - -static void -iscsi_aio_write16_cb(struct iscsi_context *iscsi, int status, - void *command_data, void *opaque) -{ - IscsiAIOCB *acb = opaque; - - trace_iscsi_aio_write16_cb(iscsi, status, acb, acb->canceled); - - g_free(acb->buf); - acb->buf = NULL; - - if (acb->canceled != 0) { - return; - } - - acb->status = 0; - if (status != 0) { - if (status == SCSI_STATUS_CHECK_CONDITION - && acb->task->sense.key == SCSI_SENSE_UNIT_ATTENTION - && acb->retries-- > 0) { - scsi_free_scsi_task(acb->task); - acb->task = NULL; - if (iscsi_aio_writev_acb(acb) == 0) { - iscsi_set_events(acb->iscsilun); - return; - } - } - error_report("Failed to write16 data to iSCSI lun. %s", - iscsi_get_error(iscsi)); - acb->status = -EIO; - } - - iscsi_schedule_bh(acb); -} - static int64_t sector_lun2qemu(int64_t sector, IscsiLun *iscsilun) { return sector * iscsilun->block_size / BDRV_SECTOR_SIZE; @@ -301,324 +263,172 @@ static bool is_request_lun_aligned(int64_t sector_num, int nb_sectors, return 1; } -static int -iscsi_aio_writev_acb(IscsiAIOCB *acb) +static int coroutine_fn iscsi_co_writev(BlockDriverState *bs, + int64_t sector_num, int nb_sectors, + QEMUIOVector *iov) { - struct iscsi_context *iscsi = acb->iscsilun->iscsi; - size_t size; - uint32_t num_sectors; + IscsiLun *iscsilun = bs->opaque; + struct IscsiTask iTask; uint64_t lba; -#if !defined(LIBISCSI_FEATURE_IOVECTOR) - struct iscsi_data data; -#endif - int ret; - - acb->canceled = 0; - acb->bh = NULL; - acb->status = -EINPROGRESS; - acb->buf = NULL; + uint32_t num_sectors; + uint8_t *data = NULL; + uint8_t *buf = NULL; - /* this will allow us to get rid of 'buf' completely */ - size = acb->nb_sectors * BDRV_SECTOR_SIZE; + if (!is_request_lun_aligned(sector_num, nb_sectors, iscsilun)) { + return -EINVAL; + } + lba = sector_qemu2lun(sector_num, iscsilun); + num_sectors = sector_qemu2lun(nb_sectors, iscsilun); #if !defined(LIBISCSI_FEATURE_IOVECTOR) - data.size = MIN(size, acb->qiov->size); - /* if the iovec only contains one buffer we can pass it directly */ - if (acb->qiov->niov == 1) { - data.data = acb->qiov->iov[0].iov_base; + if (iov->niov == 1) { + data = iov->iov[0].iov_base; } else { - acb->buf = g_malloc(data.size); - qemu_iovec_to_buf(acb->qiov, 0, acb->buf, data.size); - data.data = acb->buf; + 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 - - acb->task = malloc(sizeof(struct scsi_task)); - if (acb->task == NULL) { - error_report("iSCSI: Failed to allocate task for scsi WRITE16 " - "command. %s", iscsi_get_error(iscsi)); - return -1; + iscsi_co_init_iscsitask(iscsilun, &iTask); +retry: + iTask.task = iscsi_write16_task(iscsilun->iscsi, iscsilun->lun, lba, + data, num_sectors * iscsilun->block_size, + iscsilun->block_size, 0, 0, 0, 0, 0, + iscsi_co_generic_cb, &iTask); + if (iTask.task == NULL) { + g_free(buf); + return -EIO; } - memset(acb->task, 0, sizeof(struct scsi_task)); - - acb->task->xfer_dir = SCSI_XFER_WRITE; - acb->task->cdb_size = 16; - acb->task->cdb[0] = 0x8a; - lba = sector_qemu2lun(acb->sector_num, acb->iscsilun); - *(uint32_t *)&acb->task->cdb[2] = htonl(lba >> 32); - *(uint32_t *)&acb->task->cdb[6] = htonl(lba & 0xffffffff); - num_sectors = sector_qemu2lun(acb->nb_sectors, acb->iscsilun); - *(uint32_t *)&acb->task->cdb[10] = htonl(num_sectors); - acb->task->expxferlen = size; - #if defined(LIBISCSI_FEATURE_IOVECTOR) - ret = iscsi_scsi_command_async(iscsi, acb->iscsilun->lun, acb->task, - iscsi_aio_write16_cb, - NULL, - acb); -#else - ret = iscsi_scsi_command_async(iscsi, acb->iscsilun->lun, acb->task, - iscsi_aio_write16_cb, - &data, - acb); + scsi_task_set_iov_out(iTask.task, (struct scsi_iovec *) iov->iov, + iov->niov); #endif - if (ret != 0) { - scsi_free_scsi_task(acb->task); - g_free(acb->buf); - return -1; + while (!iTask.complete) { + iscsi_set_events(iscsilun); + qemu_coroutine_yield(); } -#if defined(LIBISCSI_FEATURE_IOVECTOR) - scsi_task_set_iov_out(acb->task, (struct scsi_iovec*) acb->qiov->iov, acb->qiov->niov); -#endif - - return 0; -} - -static BlockDriverAIOCB * -iscsi_aio_writev(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) -{ - IscsiLun *iscsilun = bs->opaque; - IscsiAIOCB *acb; - - if (!is_request_lun_aligned(sector_num, nb_sectors, iscsilun)) { - return NULL; + if (iTask.task != NULL) { + scsi_free_scsi_task(iTask.task); + iTask.task = NULL; } - acb = qemu_aio_get(&iscsi_aiocb_info, bs, cb, opaque); - trace_iscsi_aio_writev(iscsilun->iscsi, sector_num, nb_sectors, opaque, acb); - - acb->iscsilun = iscsilun; - acb->qiov = qiov; - acb->nb_sectors = nb_sectors; - acb->sector_num = sector_num; - acb->retries = ISCSI_CMD_RETRIES; - - if (iscsi_aio_writev_acb(acb) != 0) { - qemu_aio_release(acb); - return NULL; + if (iTask.do_retry) { + goto retry; } - iscsi_set_events(iscsilun); - return &acb->common; -} - -static int -iscsi_aio_readv_acb(IscsiAIOCB *acb); - -static void -iscsi_aio_read16_cb(struct iscsi_context *iscsi, int status, - void *command_data, void *opaque) -{ - IscsiAIOCB *acb = opaque; - - trace_iscsi_aio_read16_cb(iscsi, status, acb, acb->canceled); - - if (acb->canceled != 0) { - return; - } + g_free(buf); - acb->status = 0; - if (status != 0) { - if (status == SCSI_STATUS_CHECK_CONDITION - && acb->task->sense.key == SCSI_SENSE_UNIT_ATTENTION - && acb->retries-- > 0) { - scsi_free_scsi_task(acb->task); - acb->task = NULL; - if (iscsi_aio_readv_acb(acb) == 0) { - iscsi_set_events(acb->iscsilun); - return; - } - } - error_report("Failed to read16 data from iSCSI lun. %s", - iscsi_get_error(iscsi)); - acb->status = -EIO; + if (iTask.status != SCSI_STATUS_GOOD) { + return -EIO; } - iscsi_schedule_bh(acb); + return 0; } -static int -iscsi_aio_readv_acb(IscsiAIOCB *acb) +static int coroutine_fn iscsi_co_readv(BlockDriverState *bs, + int64_t sector_num, int nb_sectors, + QEMUIOVector *iov) { - struct iscsi_context *iscsi = acb->iscsilun->iscsi; - size_t size; + IscsiLun *iscsilun = bs->opaque; + struct IscsiTask iTask; uint64_t lba; uint32_t num_sectors; - int ret; #if !defined(LIBISCSI_FEATURE_IOVECTOR) int i; #endif - acb->canceled = 0; - acb->bh = NULL; - acb->status = -EINPROGRESS; - acb->buf = NULL; - - size = acb->nb_sectors * BDRV_SECTOR_SIZE; - - acb->task = malloc(sizeof(struct scsi_task)); - if (acb->task == NULL) { - error_report("iSCSI: Failed to allocate task for scsi READ16 " - "command. %s", iscsi_get_error(iscsi)); - return -1; + if (!is_request_lun_aligned(sector_num, nb_sectors, iscsilun)) { + return -EINVAL; } - memset(acb->task, 0, sizeof(struct scsi_task)); - acb->task->xfer_dir = SCSI_XFER_READ; - acb->task->expxferlen = size; - lba = sector_qemu2lun(acb->sector_num, acb->iscsilun); - num_sectors = sector_qemu2lun(acb->nb_sectors, acb->iscsilun); + lba = sector_qemu2lun(sector_num, iscsilun); + num_sectors = sector_qemu2lun(nb_sectors, iscsilun); - switch (acb->iscsilun->type) { + iscsi_co_init_iscsitask(iscsilun, &iTask); +retry: + switch (iscsilun->type) { case TYPE_DISK: - acb->task->cdb_size = 16; - acb->task->cdb[0] = 0x88; - *(uint32_t *)&acb->task->cdb[2] = htonl(lba >> 32); - *(uint32_t *)&acb->task->cdb[6] = htonl(lba & 0xffffffff); - *(uint32_t *)&acb->task->cdb[10] = htonl(num_sectors); + iTask.task = iscsi_read16_task(iscsilun->iscsi, iscsilun->lun, lba, + num_sectors * iscsilun->block_size, + iscsilun->block_size, 0, 0, 0, 0, 0, + iscsi_co_generic_cb, &iTask); break; default: - acb->task->cdb_size = 10; - acb->task->cdb[0] = 0x28; - *(uint32_t *)&acb->task->cdb[2] = htonl(lba); - *(uint16_t *)&acb->task->cdb[7] = htons(num_sectors); + iTask.task = iscsi_read10_task(iscsilun->iscsi, iscsilun->lun, lba, + num_sectors * iscsilun->block_size, + iscsilun->block_size, 0, 0, 0, 0, 0, + iscsi_co_generic_cb, &iTask); break; } - - ret = iscsi_scsi_command_async(iscsi, acb->iscsilun->lun, acb->task, - iscsi_aio_read16_cb, - NULL, - acb); - if (ret != 0) { - scsi_free_scsi_task(acb->task); - return -1; + if (iTask.task == NULL) { + return -EIO; } - #if defined(LIBISCSI_FEATURE_IOVECTOR) - scsi_task_set_iov_in(acb->task, (struct scsi_iovec*) acb->qiov->iov, acb->qiov->niov); + scsi_task_set_iov_in(iTask.task, (struct scsi_iovec *) iov->iov, iov->niov); #else - for (i = 0; i < acb->qiov->niov; i++) { - scsi_task_add_data_in_buffer(acb->task, - acb->qiov->iov[i].iov_len, - acb->qiov->iov[i].iov_base); + 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 - return 0; -} - -static BlockDriverAIOCB * -iscsi_aio_readv(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) -{ - IscsiLun *iscsilun = bs->opaque; - IscsiAIOCB *acb; - - if (!is_request_lun_aligned(sector_num, nb_sectors, iscsilun)) { - return NULL; - } - acb = qemu_aio_get(&iscsi_aiocb_info, bs, cb, opaque); - trace_iscsi_aio_readv(iscsilun->iscsi, sector_num, nb_sectors, opaque, acb); - - acb->nb_sectors = nb_sectors; - acb->sector_num = sector_num; - acb->iscsilun = iscsilun; - acb->qiov = qiov; - acb->retries = ISCSI_CMD_RETRIES; - - if (iscsi_aio_readv_acb(acb) != 0) { - qemu_aio_release(acb); - return NULL; + while (!iTask.complete) { + iscsi_set_events(iscsilun); + qemu_coroutine_yield(); } - iscsi_set_events(iscsilun); - return &acb->common; -} - -static int -iscsi_aio_flush_acb(IscsiAIOCB *acb); - -static void -iscsi_synccache10_cb(struct iscsi_context *iscsi, int status, - void *command_data, void *opaque) -{ - IscsiAIOCB *acb = opaque; - - if (acb->canceled != 0) { - return; + if (iTask.task != NULL) { + scsi_free_scsi_task(iTask.task); + iTask.task = NULL; } - acb->status = 0; - if (status != 0) { - if (status == SCSI_STATUS_CHECK_CONDITION - && acb->task->sense.key == SCSI_SENSE_UNIT_ATTENTION - && acb->retries-- > 0) { - scsi_free_scsi_task(acb->task); - acb->task = NULL; - if (iscsi_aio_flush_acb(acb) == 0) { - iscsi_set_events(acb->iscsilun); - return; - } - } - error_report("Failed to sync10 data on iSCSI lun. %s", - iscsi_get_error(iscsi)); - acb->status = -EIO; + if (iTask.do_retry) { + goto retry; } - iscsi_schedule_bh(acb); -} - -static int -iscsi_aio_flush_acb(IscsiAIOCB *acb) -{ - struct iscsi_context *iscsi = acb->iscsilun->iscsi; - - acb->canceled = 0; - acb->bh = NULL; - acb->status = -EINPROGRESS; - acb->buf = NULL; - - acb->task = iscsi_synchronizecache10_task(iscsi, acb->iscsilun->lun, - 0, 0, 0, 0, - iscsi_synccache10_cb, - acb); - if (acb->task == NULL) { - error_report("iSCSI: Failed to send synchronizecache10 command. %s", - iscsi_get_error(iscsi)); - return -1; + if (iTask.status != SCSI_STATUS_GOOD) { + return -EIO; } return 0; } -static BlockDriverAIOCB * -iscsi_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) +static int coroutine_fn iscsi_co_flush(BlockDriverState *bs) { IscsiLun *iscsilun = bs->opaque; + struct IscsiTask iTask; - IscsiAIOCB *acb; + iscsi_co_init_iscsitask(iscsilun, &iTask); - acb = qemu_aio_get(&iscsi_aiocb_info, bs, cb, opaque); +retry: + if (iscsi_synchronizecache10_task(iscsilun->iscsi, iscsilun->lun, 0, 0, 0, + 0, iscsi_co_generic_cb, &iTask) == NULL) { + return -EIO; + } - acb->iscsilun = iscsilun; - acb->retries = ISCSI_CMD_RETRIES; + while (!iTask.complete) { + iscsi_set_events(iscsilun); + qemu_coroutine_yield(); + } - if (iscsi_aio_flush_acb(acb) != 0) { - qemu_aio_release(acb); - return NULL; + if (iTask.task != NULL) { + scsi_free_scsi_task(iTask.task); + iTask.task = NULL; } - iscsi_set_events(iscsilun); + if (iTask.do_retry) { + goto retry; + } - return &acb->common; + if (iTask.status != SCSI_STATUS_GOOD) { + return -EIO; + } + + return 0; } #ifdef __linux__ @@ -1624,10 +1434,9 @@ static BlockDriver bdrv_iscsi = { #if defined(SCSI_SENSE_ASCQ_CAPACITY_DATA_HAS_CHANGED) .bdrv_co_write_zeroes = iscsi_co_write_zeroes, #endif - - .bdrv_aio_readv = iscsi_aio_readv, - .bdrv_aio_writev = iscsi_aio_writev, - .bdrv_aio_flush = iscsi_aio_flush, + .bdrv_co_readv = iscsi_co_readv, + .bdrv_co_writev = iscsi_co_writev, + .bdrv_co_flush_to_disk = iscsi_co_flush, #ifdef __linux__ .bdrv_ioctl = iscsi_ioctl, diff --git a/configure b/configure index 0666228..8144d9f 100755 --- a/configure +++ b/configure @@ -3025,13 +3025,13 @@ fi ########################################## # Do we have libiscsi -# We check for iscsi_unmap_sync() to make sure we have a -# recent enough version of libiscsi. +# We check for iscsi_write16_sync() to make sure we have a +# at least version 1.4.0 of libiscsi. if test "$libiscsi" != "no" ; then cat > $TMPC << EOF #include #include -int main(void) { iscsi_unmap_sync(NULL,0,0,0,NULL,0); return 0; } +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 libiscsi="yes" -- cgit v1.1 From 98e33f1b0eff84d9538cf957dde48c3f67f6f9d8 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Mon, 9 Dec 2013 13:40:15 +0100 Subject: scsi-disk: fix WRITE SAME with large non-zero payload Due to a thinko in the patch that implemented WRITE SAME. Signed-off-by: Paolo Bonzini --- hw/scsi/scsi-disk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 6904ac2..7653411 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -1626,7 +1626,7 @@ static void scsi_write_same_complete(void *opaque, int ret) bdrv_acct_start(s->qdev.conf.bs, &r->acct, data->iov.iov_len, BDRV_ACCT_WRITE); r->req.aiocb = bdrv_aio_writev(s->qdev.conf.bs, data->sector, &data->qiov, data->iov.iov_len / 512, - scsi_write_same_complete, r); + scsi_write_same_complete, data); return; } -- cgit v1.1 From 2fe3798cd5fab65ee7c86758b1b7701d7fe3709f Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 6 Dec 2013 16:08:05 +0100 Subject: help: add id suboption to -iscsi Signed-off-by: Paolo Bonzini --- qemu-options.hx | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/qemu-options.hx b/qemu-options.hx index 8b94264..7f12f02 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2089,7 +2089,7 @@ ETEXI DEF("iscsi", HAS_ARG, QEMU_OPTION_iscsi, "-iscsi [user=user][,password=password]\n" " [,header-digest=CRC32C|CR32C-NONE|NONE-CRC32C|NONE\n" - " [,initiator-name=iqn]\n" + " [,initiator-name=initiator-iqn][,id=target-iqn]\n" " iSCSI session parameters\n", QEMU_ARCH_ALL) STEXI -- cgit v1.1