X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=nbd.h;h=b38d0d08de2d80bdf545251f8b02921234b973c5;hb=a80f53aee36f177203a2d4e7a046dc0365e42150;hp=eb77cce219acb980f6f1fa07273b519a9655a5c4;hpb=fad6cb1a565bb73f83fc0e2654489457b489e436;p=qemu.git
diff --git a/nbd.h b/nbd.h
index eb77cce21..b38d0d08d 100644
--- a/nbd.h
+++ b/nbd.h
@@ -13,30 +13,31 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ * along with this program; if not, see .
*/
#ifndef NBD_H
#define NBD_H
#include
-#include
#include
+
#include "block_int.h"
struct nbd_request {
+ uint32_t magic;
uint32_t type;
uint64_t handle;
uint64_t from;
uint32_t len;
-};
+} __attribute__ ((__packed__));
struct nbd_reply {
+ uint32_t magic;
uint32_t error;
uint64_t handle;
-};
+} __attribute__ ((__packed__));
enum {
NBD_CMD_READ = 0,
@@ -44,20 +45,25 @@ enum {
NBD_CMD_DISC = 2
};
+#define NBD_DEFAULT_PORT 10809
+
size_t nbd_wr_sync(int fd, void *buffer, size_t size, bool do_read);
int tcp_socket_outgoing(const char *address, uint16_t port);
int tcp_socket_incoming(const char *address, uint16_t port);
+int tcp_socket_outgoing_spec(const char *address_and_port);
+int tcp_socket_incoming_spec(const char *address_and_port);
int unix_socket_outgoing(const char *path);
int unix_socket_incoming(const char *path);
int nbd_negotiate(int csock, off_t size);
-int nbd_receive_negotiate(int csock, off_t *size, size_t *blocksize);
+int nbd_receive_negotiate(int csock, const char *name, uint32_t *flags,
+ off_t *size, size_t *blocksize);
int nbd_init(int fd, int csock, off_t size, size_t blocksize);
int nbd_send_request(int csock, struct nbd_request *request);
int nbd_receive_reply(int csock, struct nbd_reply *reply);
int nbd_trip(BlockDriverState *bs, int csock, off_t size, uint64_t dev_offset,
off_t *offset, bool readonly, uint8_t *data, int data_size);
-int nbd_client(int fd, int csock);
+int nbd_client(int fd);
int nbd_disconnect(int fd);
#endif