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9p: introduce a type for the 9p header 

Use the new type in virtio-9p-device.

Signed-off-by: Stefano Stabellini <stefano@aporeto.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
CC: anthony.perard@citrix.com
CC: jgross@suse.com
CC: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
CC: Greg Kurz <groug@kaod.org>
This commit is contained in:
Stefano Stabellini 2017-03-21 13:51:34 -07:00
parent f65eadb639
commit c9fb47e7d0
2 changed files with 7 additions and 5 deletions
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6
hw/9pfs/9p.h
View File

@ -119,6 +119,12 @@ static inline char *rpath(FsContext *ctx, const char *path)
typedef struct V9fsPDU V9fsPDU;
struct V9fsState;
typedef struct {
uint32_t size_le;
uint8_t id;
uint16_t tag_le;
} QEMU_PACKED P9MsgHeader;
struct V9fsPDU
{
uint32_t size;

6
hw/9pfs/virtio-9p-device.c
View File

@ -46,11 +46,7 @@ static void handle_9p_output(VirtIODevice *vdev, VirtQueue *vq)
VirtQueueElement *elem;
while ((pdu = pdu_alloc(s))) {
struct {
uint32_t size_le;
uint8_t id;
uint16_t tag_le;
} QEMU_PACKED out;
P9MsgHeader out;
elem = virtqueue_pop(vq, sizeof(VirtQueueElement));
if (!elem) {