if (sector & dev->sector_mask) {
return false;
}
- if (size % dev->conf->logical_block_size) {
+ if (size % dev->blk.conf.logical_block_size) {
return false;
}
bdrv_get_geometry(dev->bs, &total_sectors);
static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
{
VirtIOBlock *s = VIRTIO_BLK(vdev);
+ BlockConf *conf = &s->blk.conf;
struct virtio_blk_config blkcfg;
uint64_t capacity;
- int blk_size = s->conf->logical_block_size;
+ int blk_size = conf->logical_block_size;
bdrv_get_geometry(s->bs, &capacity);
memset(&blkcfg, 0, sizeof(blkcfg));
virtio_stq_p(vdev, &blkcfg.capacity, capacity);
virtio_stl_p(vdev, &blkcfg.seg_max, 128 - 2);
- virtio_stw_p(vdev, &blkcfg.cylinders, s->conf->cyls);
+ virtio_stw_p(vdev, &blkcfg.cylinders, conf->cyls);
virtio_stl_p(vdev, &blkcfg.blk_size, blk_size);
- virtio_stw_p(vdev, &blkcfg.min_io_size, s->conf->min_io_size / blk_size);
- virtio_stw_p(vdev, &blkcfg.opt_io_size, s->conf->opt_io_size / blk_size);
- blkcfg.heads = s->conf->heads;
+ virtio_stw_p(vdev, &blkcfg.min_io_size, conf->min_io_size / blk_size);
+ virtio_stw_p(vdev, &blkcfg.opt_io_size, conf->opt_io_size / blk_size);
+ blkcfg.heads = conf->heads;
/*
* We must ensure that the block device capacity is a multiple of
* the logical block size. If that is not the case, let's use
* divided by 512 - instead it is the amount of blk_size blocks
* per track (cylinder).
*/
- if (bdrv_getlength(s->bs) / s->conf->heads / s->conf->secs % blk_size) {
- blkcfg.sectors = s->conf->secs & ~s->sector_mask;
+ if (bdrv_getlength(s->bs) / conf->heads / conf->secs % blk_size) {
+ blkcfg.sectors = conf->secs & ~s->sector_mask;
} else {
- blkcfg.sectors = s->conf->secs;
+ blkcfg.sectors = conf->secs;
}
blkcfg.size_max = 0;
- blkcfg.physical_block_exp = get_physical_block_exp(s->conf);
+ blkcfg.physical_block_exp = get_physical_block_exp(conf);
blkcfg.alignment_offset = 0;
blkcfg.wce = bdrv_enable_write_cache(s->bs);
memcpy(config, &blkcfg, sizeof(struct virtio_blk_config));
sizeof(struct virtio_blk_config));
s->bs = blk->conf.bs;
- s->conf = &blk->conf;
s->rq = NULL;
- s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
+ s->sector_mask = (s->blk.conf.logical_block_size / BDRV_SECTOR_SIZE) - 1;
s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
s->complete_request = virtio_blk_complete_request;
register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
bdrv_set_dev_ops(s->bs, &virtio_block_ops, s);
- bdrv_set_guest_block_size(s->bs, s->conf->logical_block_size);
+ bdrv_set_guest_block_size(s->bs, s->blk.conf.logical_block_size);
bdrv_iostatus_enable(s->bs);
}