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Diffstat (limited to 'hw/virtio-blk.c')
-rw-r--r--hw/virtio-blk.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 6aa7f15ee2..b80402d0fd 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -26,6 +26,7 @@ typedef struct VirtIOBlock
VirtQueue *vq;
void *rq;
QEMUBH *bh;
+ BlockConf *conf;
} VirtIOBlock;
static VirtIOBlock *to_virtio_blk(VirtIODevice *vdev)
@@ -405,6 +406,10 @@ static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
blkcfg.heads = heads;
blkcfg.sectors = secs;
blkcfg.size_max = 0;
+ blkcfg.physical_block_exp = get_physical_block_exp(s->conf);
+ blkcfg.alignment_offset = 0;
+ blkcfg.min_io_size = s->conf->min_io_size / 512;
+ blkcfg.opt_io_size = s->conf->opt_io_size / 512;
memcpy(config, &blkcfg, sizeof(struct virtio_blk_config));
}
@@ -414,6 +419,7 @@ static uint32_t virtio_blk_get_features(VirtIODevice *vdev, uint32_t features)
features |= (1 << VIRTIO_BLK_F_SEG_MAX);
features |= (1 << VIRTIO_BLK_F_GEOMETRY);
+ features |= (1 << VIRTIO_BLK_F_TOPOLOGY);
if (bdrv_enable_write_cache(s->bs))
features |= (1 << VIRTIO_BLK_F_WCACHE);
@@ -471,6 +477,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
s->vdev.get_features = virtio_blk_get_features;
s->vdev.reset = virtio_blk_reset;
s->bs = conf->dinfo->bdrv;
+ s->conf = conf;
s->rq = NULL;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
bdrv_set_geometry_hint(s->bs, cylinders, heads, secs);