/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "los_patchfs.h" #include "los_partition_utils.h" #include "sys/mount.h" #include "inode/inode.h" #ifdef LOSCFG_PLATFORM_PATCHFS INT32 OsMountPatchFs(VOID) { INT32 ret; struct PartitionInfo partInfo = { PATCHPART_NAME, PATCH_CMDLINE_ARGNAME, PATCH_STORAGE_ARGNAME, NULL, PATCH_FSTYPE_ARGNAME, NULL, PATCH_ADDR_ARGNAME, -1, PATCH_SIZE_ARGNAME, -1, NULL, PATCH_PARTITIONNUM }; #ifdef LOSCFG_SECURITY_BOOT partInfo.storageType = strdup(STORAGE_TYPE); if (partInfo.storageType == NULL) { return LOS_NOK; } partInfo.fsType = strdup(FS_TYPE); if (partInfo.fsType == NULL) { return LOS_NOK; } partInfo.startAddr = PATCHFS_FLASH_ADDR; partInfo.partSize = PATCHFS_FLASH_SIZE; #else ret = GetPartitionInfo(&partInfo); if (ret != LOS_OK) { return ret; } partInfo.startAddr = (partInfo.startAddr >= 0) ? partInfo.startAddr : PATCHFS_FLASH_ADDR; partInfo.partSize = (partInfo.partSize >= 0) ? partInfo.partSize : PATCHFS_FLASH_SIZE; #endif ret = LOS_NOK; partInfo.devName = strdup(PATCH_FLASH_DEV_NAME); if (partInfo.devName == NULL) { return LOS_NOK; } const CHAR *devName = GetDevNameOfPartition(&partInfo); if (devName != NULL) { ret = mkdir(PATCHFS_MOUNT_POINT, 0); if (ret == LOS_OK) { ret = mount(devName, PATCHFS_MOUNT_POINT, partInfo.fsType, MS_RDONLY, NULL); if (ret != LOS_OK) { int err = get_errno(); PRINT_ERR("Failed to mount %s, errno %d: %s\n", partInfo.partName, err, strerror(err)); } } else { int err = get_errno(); PRINT_ERR("Failed to mkdir %s, errno %d: %s\n", PATCHFS_MOUNT_POINT, err, strerror(err)); } } if ((ret != LOS_OK) && (devName != NULL)) { ResetDevNameofPartition(&partInfo); } free(partInfo.devName); free(partInfo.storageType); free(partInfo.fsType); return ret; } #endif // LOSCFG_PLATFORM_PATCHFS