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Merge remote branch 'kwolf/for-anthony' into staging

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This commit is contained in:
Anthony Liguori 2010-07-06 10:48:01 -05:00
commit 5efb397f87
27 changed files with 2308 additions and 141 deletions
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14
hw/virtio-blk.c
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@ -26,6 +26,7 @@ typedef struct VirtIOBlock
QEMUBH *bh;
BlockConf *conf;
unsigned short sector_mask;
char sn[BLOCK_SERIAL_STRLEN];
} VirtIOBlock;
static VirtIOBlock *to_virtio_blk(VirtIODevice *vdev)
@ -324,6 +325,12 @@ static void virtio_blk_handle_request(VirtIOBlockReq *req,
virtio_blk_handle_flush(req, mrb);
} else if (req->out->type & VIRTIO_BLK_T_SCSI_CMD) {
virtio_blk_handle_scsi(req);
} else if (req->out->type & VIRTIO_BLK_T_GET_ID) {
VirtIOBlock *s = req->dev;
memcpy(req->elem.in_sg[0].iov_base, s->sn,
MIN(req->elem.in_sg[0].iov_len, sizeof(s->sn)));
virtio_blk_req_complete(req, VIRTIO_BLK_S_OK);
} else if (req->out->type & VIRTIO_BLK_T_OUT) {
qemu_iovec_init_external(&req->qiov, &req->elem.out_sg[1],
req->elem.out_num - 1);
@ -481,6 +488,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
VirtIOBlock *s;
int cylinders, heads, secs;
static int virtio_blk_id;
DriveInfo *dinfo;
s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config),
@ -495,6 +503,12 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
/* NB: per existing s/n string convention the string is terminated
* by '\0' only when less than sizeof (s->sn)
*/
dinfo = drive_get_by_blockdev(s->bs);
strncpy(s->sn, dinfo->serial, sizeof (s->sn));
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);