FileSystemInit.c

00001 #include "pal.h"
00002 #include <errno.h>
00003 #include <sys/stat.h>
00004 #include <sys/types.h>
00005 #include <sys/mount.h>
00006 
00007 #ifndef PRIMARY_PARTITION_NAME
00008 #define PRIMARY_PARTITION_NAME "/dev/mmcblk0p3"
00009 #endif
00010 
00011 #ifndef SECONDARY_PARTITION_NAME
00012 #define SECONDARY_PARTITION_NAME "/dev/mmcblk0p4"
00013 #endif
00014 
00015 #ifndef PAL_PARTITION_FORMAT_TYPE
00016 #define PAL_PARTITION_FORMAT_TYPE "ext4"
00017 #endif
00018 
00019 #ifndef PARTITION_FORMAT_ADDITIONAL_PARAMS
00020 #define PARTITION_FORMAT_ADDITIONAL_PARAMS NULL
00021 #endif
00022 // Desktop Linux
00023 // In order for tests to pass for all partition configurations we need to simulate the case of multiple
00024 // partitions using a single folder. We do this by creating one or two different sub-folders, depending on
00025 // the configuration.
00026 palStatus_t fileSystemCreateRootFolders(void)
00027 {
00028     palStatus_t status = PAL_SUCCESS;
00029     char folder[PAL_MAX_FILE_AND_FOLDER_LENGTH] = {0};
00030 
00031     // Get default mount point.
00032     status = pal_fsGetMountPoint(PAL_FS_PARTITION_PRIMARY, PAL_MAX_FILE_AND_FOLDER_LENGTH, folder);
00033     if(status != PAL_SUCCESS)
00034     {
00035         return PAL_ERR_GENERIC_FAILURE;
00036     }
00037     printf("Mount point for primary partition: %s\r\n",folder);
00038     // Make the sub-folder
00039     int res = mkdir(folder,0744);
00040     if(res)
00041     {
00042         // Ignore error if it exists
00043         if( errno != EEXIST)
00044         {
00045             printf("mkdir failed errno= %d\r\n",errno);
00046             return PAL_ERR_GENERIC_FAILURE;
00047         }
00048     }
00049 
00050     res = mount(PRIMARY_PARTITION_NAME, folder, PAL_PARTITION_FORMAT_TYPE, 0 ,PARTITION_FORMAT_ADDITIONAL_PARAMS);
00051     if (res)
00052     {
00053         if( errno != EBUSY)
00054         {
00055             printf("mounting failed %d\r\n",errno);
00056             return PAL_ERR_GENERIC_FAILURE;
00057         }
00058     }
00059     // Get default mount point.
00060     memset(folder,0,sizeof(folder));
00061     status = pal_fsGetMountPoint(PAL_FS_PARTITION_SECONDARY, PAL_MAX_FILE_AND_FOLDER_LENGTH, folder);
00062     printf("Mount point for secondary partition: %s\r\n",folder);
00063     if(status != PAL_SUCCESS)
00064     {
00065         return PAL_ERR_GENERIC_FAILURE;
00066     }
00067 
00068     // Make the sub-folder
00069     res = mkdir(folder,0744);
00070     if(res)
00071     {
00072         // Ignore error if it exists
00073         if( errno != EEXIST)
00074         {
00075             printf("mkdir failed errno= %d\r\n",errno);
00076             return PAL_ERR_GENERIC_FAILURE;
00077         }
00078     }
00079 
00080     res = mount(SECONDARY_PARTITION_NAME, folder,PAL_PARTITION_FORMAT_TYPE ,0 ,PARTITION_FORMAT_ADDITIONAL_PARAMS);
00081     if (res)
00082     {
00083         if( errno != EBUSY)
00084         {
00085             printf("mounting failed %d\r\n",errno);
00086             return PAL_ERR_GENERIC_FAILURE;
00087         }
00088     }
00089 
00090     if(status != PAL_SUCCESS)
00091     {
00092         return PAL_ERR_GENERIC_FAILURE;
00093     }
00094 
00095     return PAL_SUCCESS;
00096 }