mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 20:19:44 +00:00
3f4726596d
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <1424887718-10800-13-git-send-email-mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#ifndef NBD_CLIENT_H
|
|
#define NBD_CLIENT_H
|
|
|
|
#include "qemu-common.h"
|
|
#include "block/nbd.h"
|
|
#include "block/block_int.h"
|
|
|
|
/* #define DEBUG_NBD */
|
|
|
|
#if defined(DEBUG_NBD)
|
|
#define logout(fmt, ...) \
|
|
fprintf(stderr, "nbd\t%-24s" fmt, __func__, ##__VA_ARGS__)
|
|
#else
|
|
#define logout(fmt, ...) ((void)0)
|
|
#endif
|
|
|
|
#define MAX_NBD_REQUESTS 16
|
|
|
|
typedef struct NbdClientSession {
|
|
int sock;
|
|
uint32_t nbdflags;
|
|
off_t size;
|
|
|
|
CoMutex send_mutex;
|
|
CoMutex free_sema;
|
|
Coroutine *send_coroutine;
|
|
int in_flight;
|
|
|
|
Coroutine *recv_coroutine[MAX_NBD_REQUESTS];
|
|
struct nbd_reply reply;
|
|
|
|
bool is_unix;
|
|
} NbdClientSession;
|
|
|
|
NbdClientSession *nbd_get_client_session(BlockDriverState *bs);
|
|
|
|
int nbd_client_init(BlockDriverState *bs, int sock, const char *export_name,
|
|
Error **errp);
|
|
void nbd_client_close(BlockDriverState *bs);
|
|
|
|
int nbd_client_co_discard(BlockDriverState *bs, int64_t sector_num,
|
|
int nb_sectors);
|
|
int nbd_client_co_flush(BlockDriverState *bs);
|
|
int nbd_client_co_writev(BlockDriverState *bs, int64_t sector_num,
|
|
int nb_sectors, QEMUIOVector *qiov);
|
|
int nbd_client_co_readv(BlockDriverState *bs, int64_t sector_num,
|
|
int nb_sectors, QEMUIOVector *qiov);
|
|
|
|
void nbd_client_detach_aio_context(BlockDriverState *bs);
|
|
void nbd_client_attach_aio_context(BlockDriverState *bs,
|
|
AioContext *new_context);
|
|
|
|
#endif /* NBD_CLIENT_H */
|