Commit fee65db7 authored by Fam Zheng's avatar Fam Zheng Committed by Kevin Wolf
Browse files

virtio-blk: Export request handling functions to dataplane 



So that dataplane can use virtio_blk_handle_request and
virtio_submit_multiwrite.

Signed-off-by: default avatarFam Zheng <famz@redhat.com>
Tested-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent bf4bd461

hw/block/virtio-blk.c

+2 −8
Original line number Diff line number Diff line
@@ -253,12 +253,7 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req) 
    virtio_blk_free_request(req);

}



typedef struct MultiReqBuffer {

    BlockRequest        blkreq[32];

    unsigned int        num_writes;

} MultiReqBuffer;



static void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb)

void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb)

{

    int i, ret;
@@ -347,8 +342,7 @@ static void virtio_blk_handle_read(VirtIOBlockReq *req) 
                   virtio_blk_rw_complete, req);

}



static void virtio_blk_handle_request(VirtIOBlockReq *req,

    MultiReqBuffer *mrb)

void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb)

{

    uint32_t type;

    struct iovec *in_iov = req->elem->in_sg;

include/hw/virtio/virtio-blk.h

+9 −0
Original line number Diff line number Diff line
@@ -137,6 +137,11 @@ typedef struct VirtIOBlock { 
#endif

} VirtIOBlock;



typedef struct MultiReqBuffer {

    BlockRequest        blkreq[32];

    unsigned int        num_writes;

} MultiReqBuffer;



typedef struct VirtIOBlockReq {

    VirtIOBlock *dev;

    VirtQueueElement *elem;
@@ -172,4 +177,8 @@ void virtio_blk_set_conf(DeviceState *dev, VirtIOBlkConf *blk); 
int virtio_blk_handle_scsi_req(VirtIOBlock *blk,

                               VirtQueueElement *elem);



void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb);



void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb);



#endif