1 // -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #ifndef CEPH_RBD_GGATE_GGATE_DRV_H
5 #define CEPH_RBD_GGATE_GGATE_DRV_H
14 typedef void *ggate_drv_t;
15 typedef void *ggate_drv_req_t;
18 * GGATE driver commands. They are mapped to GgateReq::Command.
21 GGATE_DRV_CMD_UNKNOWN = 0,
22 GGATE_DRV_CMD_WRITE = 1,
23 GGATE_DRV_CMD_READ = 2,
24 GGATE_DRV_CMD_FLUSH = 3,
25 GGATE_DRV_CMD_DISCARD = 4,
28 uint64_t ggate_drv_req_id(ggate_drv_req_t req);
29 int ggate_drv_req_cmd(ggate_drv_req_t req);
30 void *ggate_drv_req_buf(ggate_drv_req_t req);
31 size_t ggate_drv_req_length(ggate_drv_req_t req);
32 uint64_t ggate_drv_req_offset(ggate_drv_req_t req);
33 int ggate_drv_req_error(ggate_drv_req_t req);
35 void ggate_drv_req_set_error(ggate_drv_req_t req, int error);
36 void *ggate_drv_req_release_buf(ggate_drv_req_t req);
40 int ggate_drv_create(char *name, size_t namelen, size_t sectorsize,
41 size_t mediasize, bool readonly, const char *info, ggate_drv_t *drv);
42 void ggate_drv_destroy(ggate_drv_t drv);
44 int ggate_drv_recv(ggate_drv_t drv, ggate_drv_req_t *req);
45 int ggate_drv_send(ggate_drv_t drv, ggate_drv_req_t req);
47 int ggate_drv_resize(ggate_drv_t drv, size_t newsize);
49 int ggate_drv_kill(const char *devname);
50 int ggate_drv_list(char **devs, size_t *size);
51 void ggate_drv_list_free(char **devs, size_t size);
57 #endif // CEPH_RBD_GGATE_GGATE_DRV_H