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#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;
size_t blocksize;
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;
BlockDriverState *bs;
} NbdClientSession;
int nbd_client_session_init(NbdClientSession *client, BlockDriverState *bs,
int sock, const char *export_name, Error **errp);
void nbd_client_session_close(NbdClientSession *client);
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);
void nbd_client_session_detach_aio_context(NbdClientSession *client);
void nbd_client_session_attach_aio_context(NbdClientSession *client,
AioContext *new_context);
#endif /* NBD_CLIENT_H */
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