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bdev_virtio: send IO to proper target

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Until now we queued all IO to hardcoded
SCSI target 0.

Change-Id: Iefb229899725f53f26e927c4fb23e8d1d613c187
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/379840
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Dariusz Stojaczyk 2017-09-25 18:15:27 +02:00 committed by Jim Harris
parent c63d9de433
commit abb59fea38
1 changed files with 11 additions and 9 deletions
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20
lib/bdev/virtio/bdev_virtio.c
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@ -87,6 +87,7 @@ struct virtio_scsi_disk {
struct virtio_dev *vdev;
uint64_t num_blocks;
uint32_t block_size;
uint8_t target;
TAILQ_ENTRY(virtio_scsi_disk) link;
};
@ -132,7 +133,7 @@ bdev_virtio_rw(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_io)
memset(req, 0, sizeof(*req));
req->lun[0] = 1;
req->lun[1] = 0;
req->lun[1] = disk->target;
vreq->iov = bdev_io->u.bdev.iovs;
vreq->iovcnt = bdev_io->u.bdev.iovcnt;
@ -366,7 +367,8 @@ process_scan_inquiry(struct virtio_scsi_scan_base *base, struct virtio_req *vreq
}
static int
alloc_virtio_disk(struct virtio_scsi_scan_base *base, uint64_t num_blocks, uint32_t block_size)
alloc_virtio_disk(struct virtio_scsi_scan_base *base, uint8_t target_id, uint64_t num_blocks,
uint32_t block_size)
{
struct virtio_scsi_disk *disk;
struct spdk_bdev *bdev;
@ -380,6 +382,7 @@ alloc_virtio_disk(struct virtio_scsi_scan_base *base, uint64_t num_blocks, uint3
disk->vdev = base->vdev;
disk->num_blocks = num_blocks;
disk->block_size = block_size;
disk->target = target_id;
bdev = &disk->bdev;
bdev->name = spdk_sprintf_alloc("Virtio0");
@ -404,10 +407,10 @@ process_read_cap_10(struct virtio_scsi_scan_base *base, struct virtio_req *vreq)
struct virtio_scsi_cmd_resp *resp = vreq->iov_resp.iov_base;
uint64_t max_block;
uint32_t block_size;
uint8_t target_id;
uint8_t target_id = req->lun[1];
if (resp->response != VIRTIO_SCSI_S_OK || resp->status != SPDK_SCSI_STATUS_GOOD) {
SPDK_ERRLOG("READ CAPACITY (10) failed for target %"PRIu8".\n", req->lun[1]);
SPDK_ERRLOG("READ CAPACITY (10) failed for target %"PRIu8".\n", target_id);
return -1;
}
@ -415,13 +418,11 @@ process_read_cap_10(struct virtio_scsi_scan_base *base, struct virtio_req *vreq)
max_block = from_be32(vreq->iov[0].iov_base);
if (max_block == 0xffffffff) {
target_id = req->lun[1];
send_read_cap_16(base, target_id, vreq);
return 0;
}
return alloc_virtio_disk(base, max_block + 1, block_size);
return alloc_virtio_disk(base, target_id, max_block + 1, block_size);
}
static int
@ -431,15 +432,16 @@ process_read_cap_16(struct virtio_scsi_scan_base *base, struct virtio_req *vreq)
struct virtio_scsi_cmd_resp *resp = vreq->iov_resp.iov_base;
uint64_t num_blocks;
uint32_t block_size;
uint8_t target_id = req->lun[1];
if (resp->response != VIRTIO_SCSI_S_OK || resp->status != SPDK_SCSI_STATUS_GOOD) {
SPDK_ERRLOG("READ CAPACITY (16) failed for target %"PRIu8".\n", req->lun[1]);
SPDK_ERRLOG("READ CAPACITY (16) failed for target %"PRIu8".\n", target_id);
return -1;
}
num_blocks = from_be64((uint64_t *)(vreq->iov[0].iov_base)) + 1;
block_size = from_be32((uint32_t *)(vreq->iov[0].iov_base + 8));
return alloc_virtio_disk(base, num_blocks, block_size);
return alloc_virtio_disk(base, target_id, num_blocks, block_size);
}
static void