| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <zircon/device/block.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| __BEGIN_CDECLS |
| |
| // TODO(smklein): Rename functions to match library (prefix). |
| |
| // Format a block device to be an empty FVM. |
| zx_status_t fvm_init(int fd, size_t slice_size); |
| // Queries driver to obtain slice_size, then overwrites and unbinds an FVM |
| zx_status_t fvm_destroy(const char* path); |
| // Given the slice_size, overwrites and unbinds an FVM |
| zx_status_t fvm_overwrite(const char* path, size_t slice_size); |
| |
| // Allocates a new vpartition in the fvm, and waits for it to become |
| // accessible (by watching for a corresponding block device). |
| // |
| // Returns an open fd to the new partition on success, -1 on error. |
| int fvm_allocate_partition(int fvm_fd, const alloc_req_t* request); |
| |
| // Waits for a partition with a GUID pair to appear, and opens it. |
| // |
| // If one of the GUIDs is null, it is ignored. For example: |
| // wait_for_partition(NULL, systemGUID, ZX_SEC(5)); |
| // Waits for any partition with the corresponding system GUID to appear. |
| // At least one of the GUIDs must be non-null. |
| // |
| // Returns an open fd to the partition on success, -1 on error. |
| int open_partition(const uint8_t* uniqueGUID, const uint8_t* typeGUID, |
| zx_duration_t timeout, char* out_path); |
| |
| // Finds and destroys the partition with the given GUID pair, if it exists. |
| zx_status_t destroy_partition(const uint8_t* uniqueGUID, const uint8_t* typeGUID); |
| |
| __END_CDECLS |
