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virtio-blk: Export request handling functions to dataplane 

So that dataplane can use virtio_blk_handle_request and
virtio_submit_multiwrite.

Signed-off-by: Fam Zheng <famz@redhat.com>
Tested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2014-06-17 14:32:07 +08:00 committed by Kevin Wolf
parent bf4bd461b4
commit fee65db771
2 changed files with 11 additions and 8 deletions
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10
hw/block/virtio-blk.c
View File

@ -253,12 +253,7 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
virtio_blk_free_request(req); virtio_blk_free_request(req);
} }
typedef struct MultiReqBuffer { void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb)
BlockRequest blkreq[32];
unsigned int num_writes;
} MultiReqBuffer;
static void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb)
{ {
int i, ret; int i, ret;
@ -347,8 +342,7 @@ static void virtio_blk_handle_read(VirtIOBlockReq *req)
virtio_blk_rw_complete, req); virtio_blk_rw_complete, req);
} }
static void virtio_blk_handle_request(VirtIOBlockReq *req, void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb)
MultiReqBuffer *mrb)
{ {
uint32_t type; uint32_t type;
struct iovec *in_iov = req->elem->in_sg; struct iovec *in_iov = req->elem->in_sg;

9
include/hw/virtio/virtio-blk.h
View File

@ -137,6 +137,11 @@ typedef struct VirtIOBlock {
#endif #endif
} VirtIOBlock; } VirtIOBlock;
typedef struct MultiReqBuffer {
BlockRequest blkreq[32];
unsigned int num_writes;
} MultiReqBuffer;
typedef struct VirtIOBlockReq { typedef struct VirtIOBlockReq {
VirtIOBlock *dev; VirtIOBlock *dev;
VirtQueueElement *elem; VirtQueueElement *elem;
@ -172,4 +177,8 @@ void virtio_blk_set_conf(DeviceState *dev, VirtIOBlkConf *blk);
int virtio_blk_handle_scsi_req(VirtIOBlock *blk, int virtio_blk_handle_scsi_req(VirtIOBlock *blk,
VirtQueueElement *elem); VirtQueueElement *elem);
void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb);
void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb);
#endif #endif