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[Qemu-devel] [PATCH 3/5] virtio-blk: Support I/O status
From: |
Luiz Capitulino |
Subject: |
[Qemu-devel] [PATCH 3/5] virtio-blk: Support I/O status |
Date: |
Wed, 3 Aug 2011 12:19:23 -0300 |
TODO: migration
Signed-off-by: Luiz Capitulino <address@hidden>
---
hw/virtio-blk.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 265c795..a008956 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -29,6 +29,7 @@ typedef struct VirtIOBlock
QEMUBH *bh;
BlockConf *conf;
char *serial;
+ BlockDevIOStatus iostatus;
unsigned short sector_mask;
DeviceState *qdev;
} VirtIOBlock;
@@ -90,9 +91,11 @@ static int virtio_blk_handle_rw_error(VirtIOBlockReq *req,
int error,
static void virtio_blk_rw_complete(void *opaque, int ret)
{
VirtIOBlockReq *req = opaque;
+ VirtIOBlock *s = req->dev;
trace_virtio_blk_rw_complete(req, ret);
+ s->iostatus = bdrv_iostatus_from_error(ret);
if (ret) {
int is_read = !(ldl_p(&req->out->type) & VIRTIO_BLK_T_OUT);
if (virtio_blk_handle_rw_error(req, -ret, is_read))
@@ -105,7 +108,9 @@ static void virtio_blk_rw_complete(void *opaque, int ret)
static void virtio_blk_flush_complete(void *opaque, int ret)
{
VirtIOBlockReq *req = opaque;
+ VirtIOBlock *s = req->dev;
+ s->iostatus = bdrv_iostatus_from_error(ret);
if (ret) {
if (virtio_blk_handle_rw_error(req, -ret, 0)) {
return;
@@ -535,8 +540,16 @@ static void virtio_blk_resize(void *opaque)
virtio_notify_config(&s->vdev);
}
+static BlockDevIOStatus virtio_blk_iostatus(void *opaque)
+{
+ VirtIOBlock *s = opaque;
+
+ return s->iostatus;
+}
+
static const BlockDevOps virtio_block_ops = {
.resize_cb = virtio_blk_resize,
+ .get_iostatus = virtio_blk_iostatus,
};
VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
@@ -575,6 +588,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf
*conf,
s->conf = conf;
s->serial = *serial;
s->rq = NULL;
+ s->iostatus = BDRV_IOS_INVAL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
--
1.7.6.396.ge0613
- [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support, Luiz Capitulino, 2011/08/03
- [Qemu-devel] [PATCH 2/5] QMP/HMP: Add the 'io-status' field to query-block and info block, Luiz Capitulino, 2011/08/03
- [Qemu-devel] [PATCH 1/5] block: Introduce get_iostatus() device model operation, Luiz Capitulino, 2011/08/03
- [Qemu-devel] [PATCH 4/5] ide: Support I/O status, Luiz Capitulino, 2011/08/03
- [Qemu-devel] [PATCH 5/5] scsi-disk: Support I/O status, Luiz Capitulino, 2011/08/03
- Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support, Kevin Wolf, 2011/08/03
[Qemu-devel] [PATCH 3/5] virtio-blk: Support I/O status,
Luiz Capitulino <=
Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support, Christoph Hellwig, 2011/08/03