initial code repo

[stor4nfv.git] / src / ceph / src / tools / rbd_ggate / ggate_drv.h

diff --git a/src/ceph/src/tools/rbd_ggate/ggate_drv.h b/src/ceph/src/tools/rbd_ggate/ggate_drv.h
new file mode 100644 (file)
index 0000000..5ea5f32
--- /dev/null
+++ b/src/ceph/src/tools/rbd_ggate/ggate_drv.h
@@ -0,0 +1,57 @@
+// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_RBD_GGATE_GGATE_DRV_H
+#define CEPH_RBD_GGATE_GGATE_DRV_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef void *ggate_drv_t;
+typedef void *ggate_drv_req_t;
+
+/*
+ * GGATE driver commands. They are mapped to GgateReq::Command.
+ */
+enum {
+  GGATE_DRV_CMD_UNKNOWN = 0,
+  GGATE_DRV_CMD_WRITE = 1,
+  GGATE_DRV_CMD_READ = 2,
+  GGATE_DRV_CMD_FLUSH = 3,
+  GGATE_DRV_CMD_DISCARD = 4,
+};
+
+uint64_t ggate_drv_req_id(ggate_drv_req_t req);
+int ggate_drv_req_cmd(ggate_drv_req_t req);
+void *ggate_drv_req_buf(ggate_drv_req_t req);
+size_t ggate_drv_req_length(ggate_drv_req_t req);
+uint64_t ggate_drv_req_offset(ggate_drv_req_t req);
+int ggate_drv_req_error(ggate_drv_req_t req);
+
+void ggate_drv_req_set_error(ggate_drv_req_t req, int error);
+void *ggate_drv_req_release_buf(ggate_drv_req_t req);
+
+int ggate_drv_load();
+
+int ggate_drv_create(char *name, size_t namelen, size_t sectorsize,
+    size_t mediasize, bool readonly, const char *info, ggate_drv_t *drv);
+void ggate_drv_destroy(ggate_drv_t drv);
+
+int ggate_drv_recv(ggate_drv_t drv, ggate_drv_req_t *req);
+int ggate_drv_send(ggate_drv_t drv, ggate_drv_req_t req);
+
+int ggate_drv_resize(ggate_drv_t drv, size_t newsize);
+
+int ggate_drv_kill(const char *devname);
+int ggate_drv_list(char **devs, size_t *size);
+void ggate_drv_list_free(char **devs, size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // CEPH_RBD_GGATE_GGATE_DRV_H