#define PARTITION_AB_PATH INFORM_MNT_PATH"/partition-ab.info"
#define PARTITION_AB_CLONED_PATH INFORM_MNT_PATH"/partition-ab-cloned.info"
#define UPGRADE_STATUS_PATH INFORM_MNT_PATH"/upgrade-status.info"
-#define SERIAL_FILE_PATH "/sys/firmware/devicetree/base/serial-number"
#define PARTITION_A_STATUS_PATH INFORM_MNT_PATH"/partition-a-status.info"
#define PARTITION_B_STATUS_PATH INFORM_MNT_PATH"/partition-b-status.info"
#define REBOOT_PARAM_PATH INFORM_MNT_PATH"/reboot-param.bin"
-
-#define INT_BUFFER_LEN 32
-#define STATUS_BUFFER_LEN 16
-#define LINE_LEN 64
+#define SERIAL_FILE_PATH "/sys/firmware/devicetree/base/serial-number"
#define PARTITION_STATUS_OK "ok"
#define PARTITION_STATUS_CORRUPTED "corrupted"
#define PARTITION_STATUS_FAILED "failed"
+#define BOOT_MODE_NORMAL "norm"
static int get_device_serial_number(char *buffer, int len)
{
return 0;
}
+static int clear_boot_mode(void)
+{
+ /* clear contents of the file first */
+ if (truncate(REBOOT_PARAM_PATH, 0) == -1) {
+ int ferror = errno;
+ errno = 0;
+ return -ferror;
+ }
+
+ return sys_set_str(REBOOT_PARAM_PATH, BOOT_MODE_NORMAL);
+}
+
+static int get_boot_mode(char *buffer, const int max_len)
+{
+ char scan_format[32] = { 0, };
+ int ret = 0;
+
+ snprintf(scan_format, sizeof(scan_format), "bootmode=%%%ds", max_len - 1);
+
+ ret = libsys_parse_cmdline_scanf(scan_format, buffer);
+
+ if (ret <= 0) {
+ return -ENOENT;
+ }
+
+ return 0;
+}
+
+
static int get_current_partition(char *partition_ab)
{
int ret_parse = libsys_parse_cmdline_scanf("partition_ab=%c", partition_ab);
return sys_write_buf(PARTITION_AB_PATH, next_partition_ab);
}
-static int get_boot_mode(char *buffer, const int max_len)
-{
- char scan_format[32] = { 0, };
- int ret = 0;
-
- snprintf(scan_format, sizeof(scan_format), "bootmode=%%%ds", max_len - 1);
-
- ret = libsys_parse_cmdline_scanf(scan_format, buffer);
-
- if (ret <= 0) {
- return -ENOENT;
- }
-
- return 0;
-}
-
static int set_partition_ab_cloned(void)
{
return sys_write_buf(PARTITION_AB_CLONED_PATH, "1");
static int get_partition_ab_cloned(int *cloned)
{
- return sys_get_int(PARTITION_AB_CLONED_PATH, cloned);
-}
-
-static int set_upgrade_status(int status)
-{
- int fd;
- int ferror;
- char buf[INT_BUFFER_LEN];
- int buf_strlen;
- int written_len;
-
- buf_strlen = snprintf(buf, sizeof(buf), "%d", status);
-
- /* file should be truncated before writing status to it */
- errno = 0;
- fd = open(UPGRADE_STATUS_PATH, O_WRONLY | O_TRUNC);
- if (fd < 0) {
- ferror = errno;
- errno = 0;
- return -ferror;
- }
+ int ret_get_int = sys_get_int(PARTITION_AB_CLONED_PATH, cloned);
- errno = 0;
- written_len = write(fd, buf, buf_strlen);
- if (written_len < 0) {
- ferror = errno;
- errno = 0;
- close(fd);
- return -ferror;
+ if (ret_get_int < 0) {
+ return ret_get_int;
}
- close(fd);
-
return 0;
}
-static int get_upgrade_status(int *status)
-{
- return sys_get_int(UPGRADE_STATUS_PATH, status);
-}
-
static int set_partition_status(char partition_ab, const char *status)
{
char *path;
+ char target_partition_ab = partition_ab;
+
+ if (target_partition_ab == '\0') {
+ int ret_cur_part = get_current_partition(&target_partition_ab);
+
+ if (ret_cur_part < 0) {
+ return ret_cur_part;
+ }
- if ((partition_ab != 'a' && partition_ab != 'b') || status == NULL)
- return -ENOTSUP;
- if (strcmp(status, PARTITION_STATUS_OK) != 0 && strcmp(status, PARTITION_STATUS_CORRUPTED) != 0 &&
- strcmp(status, PARTITION_STATUS_FAILED) != 0)
- return -ENOTSUP;
+ if (target_partition_ab != 'a' && target_partition_ab != 'b') {
+ return -ENOENT;
+ }
+ }
- if (partition_ab == 'a')
+ if (target_partition_ab == 'a') {
path = PARTITION_A_STATUS_PATH;
- else
+ } else if (target_partition_ab == 'b') {
path = PARTITION_B_STATUS_PATH;
+ } else {
+ return -EINVAL;
+ }
+
+ if (status == NULL || (strcmp(status, PARTITION_STATUS_OK) != 0 &&
+ strcmp(status, PARTITION_STATUS_CORRUPTED) != 0 &&
+ strcmp(status, PARTITION_STATUS_FAILED) != 0)) {
+ return -EINVAL;
+ }
/* clear contents of the file first */
if (truncate(path, 0) == -1) {
return sys_set_str(path, (char *)status);
}
-static int get_partition_status(char partition_ab, char *res_buf, const int max_len)
+static int get_partition_status(char partition_ab, char *buffer, const int max_len)
{
char *path;
+ char target_partition_ab = partition_ab;
+
+ if (target_partition_ab == '\0') {
+ int ret_cur_part = get_current_partition(&target_partition_ab);
+
+ if (ret_cur_part < 0) {
+ return ret_cur_part;
+ }
- if (partition_ab != 'a' && partition_ab != 'b')
- return -ENOTSUP;
- if (res_buf == NULL || max_len <= strlen(PARTITION_STATUS_CORRUPTED) + 1)
- return -ENOBUFS;
+ if (target_partition_ab != 'a' && target_partition_ab != 'b') {
+ return -ENOENT;
+ }
+ }
- if (partition_ab == 'a')
+ if (target_partition_ab == 'a') {
path = PARTITION_A_STATUS_PATH;
- else
- path = PARTITION_B_STATUS_PATH;
+ } else if (target_partition_ab == 'b') {
+ path = PARTITION_A_STATUS_PATH;
+ } else {
+ return -EINVAL;
+ }
+
+ int res_get_str = sys_get_str(path, buffer, max_len);
+ if (res_get_str < 0) {
+ return res_get_str;
+ }
- int result = sys_get_str(path, res_buf, max_len);
/* remove potential newline | tokenizer will place '\0' in a place of '\n' */
- strtok(res_buf, "\n");
+ strtok(buffer, "\n");
- if (strcmp(res_buf, PARTITION_STATUS_OK) != 0 && strcmp(res_buf, PARTITION_STATUS_CORRUPTED) != 0 && strcmp(res_buf, PARTITION_STATUS_FAILED) != 0)
- result = -ENOTSUP;
+ if (strcmp(buffer, PARTITION_STATUS_OK) != 0 &&
+ strcmp(buffer, PARTITION_STATUS_CORRUPTED) != 0 &&
+ strcmp(buffer, PARTITION_STATUS_FAILED) != 0) {
+ return -ENOENT;
+ }
- return result;
+ return 0;
}
-static int clear_boot_mode()
+static int set_upgrade_status(int status)
{
- char *cont = "norm";
- char *path = REBOOT_PARAM_PATH;
+ /* status: -1 if upgrade fail, otherwise 0~100 */
+ if (status < -1 || status > 100) {
+ return -EINVAL;
+ }
/* clear contents of the file first */
- if (truncate(path, 0) == -1) {
+ if (truncate(UPGRADE_STATUS_PATH, 0) == -1) {
int ferror = errno;
errno = 0;
return -ferror;
}
- return sys_set_str(path, cont);
+ return sys_set_int(UPGRADE_STATUS_PATH, status);
+}
+
+static int get_upgrade_status(int *status)
+{
+ int ret_get_int = sys_get_int(UPGRADE_STATUS_PATH, status);
+
+ if (ret_get_int < 0) {
+ return ret_get_int;
+ }
+
+ /* status: -1 if upgrade fail, otherwise 0~100 */
+ if (*status < -1 || *status > 100) {
+ return -EINVAL;
+ }
+
+ return 0;
}
static int board_init(void **data)
return -ENOMEM;
board_funcs->get_device_serial_number = get_device_serial_number;
+
+ board_funcs->clear_boot_mode = clear_boot_mode;
board_funcs->get_boot_mode = get_boot_mode;
+
board_funcs->get_current_partition = get_current_partition;
board_funcs->switch_partition = switch_partition;
board_funcs->set_partition_ab_cloned = set_partition_ab_cloned;
board_funcs->clear_partition_ab_cloned = clear_partition_ab_cloned;
board_funcs->get_partition_ab_cloned = get_partition_ab_cloned;
+ board_funcs->set_partition_status = set_partition_status;
+ board_funcs->get_partition_status = get_partition_status;
board_funcs->set_upgrade_status = set_upgrade_status;
board_funcs->get_upgrade_status = get_upgrade_status;
- board_funcs->set_partition_status = set_partition_status;
- board_funcs->get_partition_status = get_partition_status;
- board_funcs->clear_boot_mode = clear_boot_mode;
*data = (void *)board_funcs;
projects / platform / hal / backend / rpi / device-rpi.git / commitdiff