56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
// Copyright (c) Vitaliy Filippov, 2019+
|
|
// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
|
|
|
|
// Simplified C client library for QEMU, fio and other external drivers
|
|
|
|
#ifndef VITASTOR_QEMU_PROXY_H
|
|
#define VITASTOR_QEMU_PROXY_H
|
|
|
|
#ifndef POOL_ID_BITS
|
|
#define POOL_ID_BITS 16
|
|
#endif
|
|
#include <stdint.h>
|
|
#include <sys/uio.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct vitastor_c;
|
|
typedef struct vitastor_c vitastor_c;
|
|
|
|
typedef void VitastorReadHandler(void *opaque, long retval, uint64_t version);
|
|
typedef void VitastorIOHandler(void *opaque, long retval);
|
|
|
|
// QEMU
|
|
typedef void IOHandler(void *opaque);
|
|
typedef void QEMUSetFDHandler(void *ctx, int fd, int is_external, IOHandler *fd_read, IOHandler *fd_write, void *poll_fn, void *opaque);
|
|
|
|
vitastor_c *vitastor_c_create_qemu(QEMUSetFDHandler *aio_set_fd_handler, void *aio_context,
|
|
const char *config_path, const char *etcd_host, const char *etcd_prefix,
|
|
int use_rdma, const char *rdma_device, int rdma_port_num, int rdma_gid_index, int rdma_mtu, int log_level);
|
|
vitastor_c *vitastor_c_create_uring(const char *config_path, const char *etcd_host, const char *etcd_prefix,
|
|
int use_rdma, const char *rdma_device, int rdma_port_num, int rdma_gid_index, int rdma_mtu, int log_level);
|
|
vitastor_c *vitastor_c_create_uring_json(const char **options, int options_len);
|
|
void vitastor_c_destroy(vitastor_c *client);
|
|
int vitastor_c_is_ready(vitastor_c *client);
|
|
void vitastor_c_uring_wait_ready(vitastor_c *client);
|
|
void vitastor_c_uring_handle_events(vitastor_c *client);
|
|
void vitastor_c_uring_wait_events(vitastor_c *client);
|
|
void vitastor_c_read(vitastor_c *client, uint64_t inode, uint64_t offset, uint64_t len,
|
|
struct iovec *iov, int iovcnt, VitastorReadHandler cb, void *opaque);
|
|
void vitastor_c_write(vitastor_c *client, uint64_t inode, uint64_t offset, uint64_t len, uint64_t check_version,
|
|
struct iovec *iov, int iovcnt, VitastorIOHandler cb, void *opaque);
|
|
void vitastor_c_sync(vitastor_c *client, VitastorIOHandler cb, void *opaque);
|
|
void vitastor_c_watch_inode(vitastor_c *client, char *image, VitastorIOHandler cb, void *opaque);
|
|
void vitastor_c_close_watch(vitastor_c *client, void *handle);
|
|
uint64_t vitastor_c_inode_get_size(void *handle);
|
|
uint64_t vitastor_c_inode_get_num(void *handle);
|
|
int vitastor_c_inode_get_readonly(void *handle);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|