block/nfs: fix nfs_client_open for filesize greater than 1TB

[mirror_qemu.git] / block / nbd-client.h

diff --git a/block/nbd-client.h b/block/nbd-client.h
index cd478f3a987947d34169e8f20cc0fcae6d5c7b02..612c4c21a0c7e613e399ada252cc2e4a644c7efc 100644 (file)
--- a/block/nbd-client.h
+++ b/block/nbd-client.h
@@ -4,6 +4,7 @@
 #include "qemu-common.h"
 #include "block/nbd.h"
 #include "block/block_int.h"
+#include "io/channel-socket.h"
 
 /* #define DEBUG_NBD */
 
@@ -16,39 +17,48 @@
 
 #define MAX_NBD_REQUESTS    16
 
-typedef struct NbdClientSession {
-    int sock;
-    uint32_t nbdflags;
-    off_t size;
-    size_t blocksize;
+typedef struct {
+    Coroutine *coroutine;
+    uint64_t offset;        /* original offset of the request */
+    bool receiving;         /* waiting for read_reply_co? */
+} NBDClientRequest;
+
+typedef struct NBDClientSession {
+    QIOChannelSocket *sioc; /* The master data channel */
+    QIOChannel *ioc; /* The current I/O channel which may differ (eg TLS) */
+    NBDExportInfo info;
 
     CoMutex send_mutex;
-    CoMutex free_sema;
-    Coroutine *send_coroutine;
+    CoQueue free_sema;
+    Coroutine *read_reply_co;
     int in_flight;
 
-    Coroutine *recv_coroutine[MAX_NBD_REQUESTS];
-    struct nbd_reply reply;
-
-    bool is_unix;
+    NBDClientRequest requests[MAX_NBD_REQUESTS];
+    NBDReply reply;
+    bool quit;
+} NBDClientSession;
 
-    BlockDriverState *bs;
-} NbdClientSession;
+NBDClientSession *nbd_get_client_session(BlockDriverState *bs);
 
-int nbd_client_session_init(NbdClientSession *client, BlockDriverState *bs,
-                            int sock, const char *export_name);
-void nbd_client_session_close(NbdClientSession *client);
+int nbd_client_init(BlockDriverState *bs,
+                    QIOChannelSocket *sock,
+                    const char *export_name,
+                    QCryptoTLSCreds *tlscreds,
+                    const char *hostname,
+                    Error **errp);
+void nbd_client_close(BlockDriverState *bs);
 
-int nbd_client_session_co_discard(NbdClientSession *client, int64_t sector_num,
-                                  int nb_sectors);
-int nbd_client_session_co_flush(NbdClientSession *client);
-int nbd_client_session_co_writev(NbdClientSession *client, int64_t sector_num,
-                                 int nb_sectors, QEMUIOVector *qiov);
-int nbd_client_session_co_readv(NbdClientSession *client, int64_t sector_num,
-                                int nb_sectors, QEMUIOVector *qiov);
+int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int bytes);
+int nbd_client_co_flush(BlockDriverState *bs);
+int nbd_client_co_pwritev(BlockDriverState *bs, uint64_t offset,
+                          uint64_t bytes, QEMUIOVector *qiov, int flags);
+int nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset,
+                                int bytes, BdrvRequestFlags flags);
+int nbd_client_co_preadv(BlockDriverState *bs, uint64_t offset,
+                         uint64_t bytes, QEMUIOVector *qiov, int flags);
 
-void nbd_client_session_detach_aio_context(NbdClientSession *client);
-void nbd_client_session_attach_aio_context(NbdClientSession *client,
-                                           AioContext *new_context);
+void nbd_client_detach_aio_context(BlockDriverState *bs);
+void nbd_client_attach_aio_context(BlockDriverState *bs,
+                                   AioContext *new_context);
 
 #endif /* NBD_CLIENT_H */