Revert "floppy: save and restore DIR register"

[qemu.git] / nbd.h

diff --git a/nbd.h b/nbd.h
index 5a1fbdf5128bfefe7755c78ad4f178035a46ec6b..b38d0d08de2d80bdf545251f8b02921234b973c5 100644 (file)
--- a/nbd.h
+++ b/nbd.h
@@ -22,19 +22,22 @@
 #include <sys/types.h>
 
 #include <qemu-common.h>
+
 #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,
@@ -42,20 +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