| // Copyright 2016 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. |
| |
| #include <fs-management/mount.h> |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <new> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <fbl/algorithm.h> |
| #include <fbl/string_buffer.h> |
| #include <fbl/unique_ptr.h> |
| #include <fbl/vector.h> |
| #include <lib/fdio/limits.h> |
| #include <lib/fdio/util.h> |
| #include <lib/fdio/vfs.h> |
| #include <zircon/compiler.h> |
| #include <zircon/device/vfs.h> |
| #include <zircon/processargs.h> |
| #include <zircon/syscalls.h> |
| |
| namespace { |
| |
| zx_status_t MkfsNativeFs(const char* binary, const char* device_path, LaunchCallback cb, |
| const mkfs_options_t* options) { |
| zx_handle_t hnd[FDIO_MAX_HANDLES * 2]; |
| uint32_t ids[FDIO_MAX_HANDLES * 2]; |
| size_t n = 0; |
| int device_fd; |
| if ((device_fd = open(device_path, O_RDWR)) < 0) { |
| fprintf(stderr, "Failed to open device\n"); |
| return ZX_ERR_BAD_STATE; |
| } |
| zx_status_t status; |
| if ((status = fdio_transfer_fd(device_fd, FS_FD_BLOCKDEVICE, hnd + n, ids + n)) <= 0) { |
| fprintf(stderr, "Failed to access device handle\n"); |
| return status != 0 ? status : ZX_ERR_BAD_STATE; |
| } |
| n += status; |
| |
| fbl::Vector<const char*> argv; |
| argv.push_back(binary); |
| if (options->verbose) { |
| argv.push_back("-v"); |
| } |
| fbl::StringBuffer<20> fvm_data_slices; |
| if (options->fvm_data_slices > default_mkfs_options.fvm_data_slices) { |
| argv.push_back("--fvm_data_slices"); |
| fvm_data_slices.AppendPrintf("%u", options->fvm_data_slices); |
| argv.push_back(fvm_data_slices.c_str()); |
| } |
| argv.push_back("mkfs"); |
| status = static_cast<zx_status_t>(cb(static_cast<int>(argv.size()), argv.get(), hnd, ids, n)); |
| return status; |
| } |
| |
| zx_status_t MkfsFat(const char* device_path, LaunchCallback cb, const mkfs_options_t* options) { |
| const char* argv[] = {"/boot/bin/mkfs-msdosfs", device_path}; |
| return cb(fbl::count_of(argv), argv, NULL, NULL, 0); |
| } |
| |
| } // namespace |
| |
| zx_status_t mkfs(const char* device_path, disk_format_t df, LaunchCallback cb, |
| const mkfs_options_t* options) { |
| switch (df) { |
| case DISK_FORMAT_MINFS: |
| return MkfsNativeFs("/boot/bin/minfs", device_path, cb, options); |
| case DISK_FORMAT_FAT: |
| return MkfsFat(device_path, cb, options); |
| case DISK_FORMAT_BLOBFS: |
| return MkfsNativeFs("/boot/bin/blobfs", device_path, cb, options); |
| default: |
| return ZX_ERR_NOT_SUPPORTED; |
| } |
| } |