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path: root/hw/virtio-blk.c
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Diffstat (limited to 'hw/virtio-blk.c')
-rw-r--r--hw/virtio-blk.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index fe0774617b..f21757ed55 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -14,6 +14,7 @@
#include "qemu-common.h"
#include "qemu-error.h"
#include "trace.h"
+#include "hw/block-common.h"
#include "blockdev.h"
#include "virtio-blk.h"
#include "scsi-defs.h"
@@ -478,19 +479,17 @@ static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
VirtIOBlock *s = to_virtio_blk(vdev);
struct virtio_blk_config blkcfg;
uint64_t capacity;
- int cylinders, heads, secs;
int blk_size = s->conf->logical_block_size;
bdrv_get_geometry(s->bs, &capacity);
- bdrv_get_geometry_hint(s->bs, &cylinders, &heads, &secs);
memset(&blkcfg, 0, sizeof(blkcfg));
stq_raw(&blkcfg.capacity, capacity);
stl_raw(&blkcfg.seg_max, 128 - 2);
- stw_raw(&blkcfg.cylinders, cylinders);
+ stw_raw(&blkcfg.cylinders, s->conf->cyls);
stl_raw(&blkcfg.blk_size, blk_size);
stw_raw(&blkcfg.min_io_size, s->conf->min_io_size / blk_size);
stw_raw(&blkcfg.opt_io_size, s->conf->opt_io_size / blk_size);
- blkcfg.heads = heads;
+ blkcfg.heads = s->conf->heads;
/*
* We must ensure that the block device capacity is a multiple of
* the logical block size. If that is not the case, lets use
@@ -502,10 +501,10 @@ static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
* divided by 512 - instead it is the amount of blk_size blocks
* per track (cylinder).
*/
- if (bdrv_getlength(s->bs) / heads / secs % blk_size) {
- blkcfg.sectors = secs & ~s->sector_mask;
+ if (bdrv_getlength(s->bs) / s->conf->heads / s->conf->secs % blk_size) {
+ blkcfg.sectors = s->conf->secs & ~s->sector_mask;
} else {
- blkcfg.sectors = secs;
+ blkcfg.sectors = s->conf->secs;
}
blkcfg.size_max = 0;
blkcfg.physical_block_exp = get_physical_block_exp(s->conf);
@@ -589,9 +588,7 @@ static const BlockDevOps virtio_block_ops = {
VirtIODevice *virtio_blk_init(DeviceState *dev, VirtIOBlkConf *blk)
{
VirtIOBlock *s;
- int cylinders, heads, secs;
static int virtio_blk_id;
- DriveInfo *dinfo;
if (!blk->conf.bs) {
error_report("drive property not set");
@@ -602,12 +599,9 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, VirtIOBlkConf *blk)
return NULL;
}
- if (!blk->serial) {
- /* try to fall back to value set with legacy -drive serial=... */
- dinfo = drive_get_by_blockdev(blk->conf.bs);
- if (*dinfo->serial) {
- blk->serial = strdup(dinfo->serial);
- }
+ blkconf_serial(&blk->conf, &blk->serial);
+ if (blkconf_geometry(&blk->conf, NULL, 65535, 255, 255) < 0) {
+ return NULL;
}
s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK,
@@ -622,7 +616,6 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, VirtIOBlkConf *blk)
s->blk = blk;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
- bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);