X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/ed95ee87a5b8334d91844a4c5af578769a9a0170..7e480893cc3eb9f307199517f0e1d5c8e72a030f:/nbd.h

diff --git a/nbd.h b/nbd.h
index 61553f4128..344f05b794 100644
--- a/nbd.h
+++ b/nbd.h
@@ -57,7 +57,9 @@ enum {
 
 #define NBD_DEFAULT_PORT	10809
 
-size_t nbd_wr_sync(int fd, void *buffer, size_t size, bool do_read);
+#define NBD_BUFFER_SIZE (1024*1024)
+
+ssize_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);
@@ -65,15 +67,34 @@ 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, uint32_t flags);
 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, uint32_t flags, 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, uint32_t nbdflags, uint8_t *data, int data_size);
+ssize_t nbd_send_request(int csock, struct nbd_request *request);
+ssize_t nbd_receive_reply(int csock, struct nbd_reply *reply);
 int nbd_client(int fd);
 int nbd_disconnect(int fd);
 
+typedef struct NBDExport NBDExport;
+typedef struct NBDClient NBDClient;
+
+NBDExport *nbd_export_new(BlockDriverState *bs, off_t dev_offset,
+                          off_t size, uint32_t nbdflags,
+                          void (*close)(NBDExport *));
+void nbd_export_close(NBDExport *exp);
+void nbd_export_get(NBDExport *exp);
+void nbd_export_put(NBDExport *exp);
+
+BlockDriverState *nbd_export_get_blockdev(NBDExport *exp);
+
+NBDExport *nbd_export_find(const char *name);
+void nbd_export_set_name(NBDExport *exp, const char *name);
+void nbd_export_close_all(void);
+
+NBDClient *nbd_client_new(NBDExport *exp, int csock,
+                          void (*close)(NBDClient *));
+void nbd_client_close(NBDClient *client);
+void nbd_client_get(NBDClient *client);
+void nbd_client_put(NBDClient *client);
+
 #endif