1 // SPDX-License-Identifier: Apache-2.0 2 // Copyright (C) 2018 IBM Corp. 3 4 #include <assert.h> 5 #include <mtd/mtd-abi.h> 6 #include <stdio.h> 7 #include <stdlib.h> 8 #include <string.h> 9 #include <sys/ioctl.h> 10 #include <sys/mman.h> 11 #include <unistd.h> 12 13 #include "common.h" 14 #include "mboxd.h" 15 #include "backend.h" 16 17 #include "test/tmpf.h" 18 19 struct tmpf _tmp, *tmp = &_tmp; 20 21 void cleanup(void) 22 { 23 tmpf_destroy(tmp); 24 } 25 26 char *get_dev_mtd(void) 27 { 28 int rc; 29 30 rc = tmpf_init(tmp, "flash-store.XXXXXX"); 31 if (rc < 0) 32 return NULL; 33 34 return tmp->path; 35 } 36 37 #define MEM_SIZE 3 38 #define ERASE_SIZE 1 39 40 int ioctl(int fd, unsigned long request, ...) 41 { 42 va_list ap; 43 44 if (request != MEMGETINFO) 45 return -1; 46 47 struct mtd_info_user *info; 48 49 va_start(ap, request); 50 info = va_arg(ap, struct mtd_info_user *); 51 info->size = MEM_SIZE; 52 info->erasesize = ERASE_SIZE; 53 va_end(ap); 54 55 return 0; 56 } 57 58 int main(void) 59 { 60 struct mbox_context _context, *context = &_context; 61 struct backend *backend = &context->backend; 62 char src[MEM_SIZE]; 63 uint8_t *map; 64 int rc; 65 66 atexit(cleanup); 67 68 mbox_vlog = &mbox_log_console; 69 70 rc = backend_probe_mtd(backend, get_dev_mtd()); 71 assert(rc == 0); 72 73 map = mmap(NULL, MEM_SIZE, PROT_READ, MAP_PRIVATE, tmp->fd, 0); 74 assert(map != MAP_FAILED); 75 76 memset(src, 0xaa, sizeof(src)); 77 rc = backend_write(backend, 0, src, sizeof(src)); 78 assert(rc == 0); 79 rc = memcmp(src, map, sizeof(src)); 80 assert(rc == 0); 81 82 memset(src, 0x55, sizeof(src)); 83 rc = backend_write(backend, 0, src, sizeof(src)); 84 assert(rc == 0); 85 rc = memcmp(src, map, sizeof(src)); 86 assert(rc == 0); 87 88 src[0] = 0xff; 89 rc = backend_write(backend, 0, src, 1); 90 assert(rc == 0); 91 rc = memcmp(src, map, sizeof(src)); 92 assert(rc == 0); 93 94 src[1] = 0xff; 95 rc = backend_write(backend, 1, &src[1], 1); 96 assert(rc == 0); 97 rc = memcmp(src, map, sizeof(src)); 98 assert(rc == 0); 99 100 src[2] = 0xff; 101 rc = backend_write(backend, 2, &src[2], 1); 102 assert(rc == 0); 103 rc = memcmp(src, map, sizeof(src)); 104 assert(rc == 0); 105 106 backend_free(backend); 107 108 return rc; 109 } 110