diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2016-01-31 11:28:59 +0100 |
---|---|---|
committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:31:48 -0600 |
commit | 5e6414e6cbb1312921ed8c79cf5e5d345f707bdd (patch) | |
tree | beeacaea9053928af2ec4accfaaee1dfdcbaca64 /hw/scsi | |
parent | 1dce9a3ce784c6ef69c14fd71b17b932242ed363 (diff) | |
download | hqemu-5e6414e6cbb1312921ed8c79cf5e5d345f707bdd.zip hqemu-5e6414e6cbb1312921ed8c79cf5e5d345f707bdd.tar.gz |
virtio: introduce qemu_get/put_virtqueue_element
Move allocation to virtio functions also when loading/saving a
VirtQueueElement. This will also let the load/save functions
keep backwards compatibility when the VirtQueueElement layout
is changed.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/scsi')
-rw-r--r-- | hw/scsi/virtio-scsi.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c index 50a3cb2..5b29bac 100644 --- a/hw/scsi/virtio-scsi.c +++ b/hw/scsi/virtio-scsi.c @@ -189,7 +189,7 @@ static void virtio_scsi_save_request(QEMUFile *f, SCSIRequest *sreq) assert(n < vs->conf.num_queues); qemu_put_be32s(f, &n); - qemu_put_buffer(f, (unsigned char *)&req->elem, sizeof(req->elem)); + qemu_put_virtqueue_element(f, &req->elem); } static void *virtio_scsi_load_request(QEMUFile *f, SCSIRequest *sreq) @@ -202,12 +202,9 @@ static void *virtio_scsi_load_request(QEMUFile *f, SCSIRequest *sreq) qemu_get_be32s(f, &n); assert(n < vs->conf.num_queues); - req = g_malloc(sizeof(VirtIOSCSIReq) + vs->cdb_size); - qemu_get_buffer(f, (unsigned char *)&req->elem, sizeof(req->elem)); + req = qemu_get_virtqueue_element(f, sizeof(VirtIOSCSIReq) + vs->cdb_size); virtio_scsi_init_req(s, vs->cmd_vqs[n], req); - virtqueue_map(&req->elem); - if (virtio_scsi_parse_req(req, sizeof(VirtIOSCSICmdReq) + vs->cdb_size, sizeof(VirtIOSCSICmdResp) + vs->sense_size) < 0) { error_report("invalid SCSI request migration data"); |