Add upgrade type feature

Use set_upgrade_type to select the type of upgrade:
* online
* offline

After reboot fota, u-boot will run online or offline upgrade based on
the selected  type.

Change-Id: I33c86c91d6f7e13db7a29dde10d3c360b977dd37

diff --git a/hw/board/board.c b/hw/board/board.c
index c396ff141e510779e43e03a9160f4814c78296de..b02f22df2312f2830ae6f9dd2cc8101f8461db36 100644 (file)
--- a/hw/board/board.c
+++ b/hw/board/board.c
@@ -37,6 +37,7 @@
 #define PARTITION_B_STATUS_PATH                INFORM_MNT_PATH"/partition-b-status.info"
 #define REBOOT_PARAM_PATH              INFORM_MNT_PATH"/reboot-param.bin"
 #define UPGRADE_STATE_PATH             INFORM_MNT_PATH"/upgrade-state.info"
+#define UPGRADE_TYPE_PATH              INFORM_MNT_PATH"/upgrade-type.info"
 #define SERIAL_FILE_PATH               "/sys/firmware/devicetree/base/serial-number"
 
 #define PARTITION_STATUS_OK        "ok"
@@ -44,6 +45,9 @@
 #define PARTITION_STATUS_FAILED    "failed"
 #define BOOT_MODE_NORMAL           "norm"
 
+#define UPGRADE_TYPE_ONLINE "online"
+#define UPGRADE_TYPE_OFFLINE "offline"
+
 static int get_device_serial_number(char *buffer, int len)
 {
        FILE *fp;
@@ -339,6 +343,50 @@ static int get_upgrade_state(char *buffer, const int max_len)
        return 0;
 }
 
+static int set_upgrade_type(char *type)
+{
+       if (type == NULL)
+               return -EINVAL;
+
+       if (strcmp(type, UPGRADE_TYPE_ONLINE) != 0 &&
+           strcmp(type, UPGRADE_TYPE_OFFLINE) != 0) {
+               return -EINVAL;
+       }
+
+       /* clear contents of the file first */
+       if (truncate(UPGRADE_TYPE_PATH, 0) == -1) {
+               int ferror = errno;
+               errno = 0;
+               return -ferror;
+       }
+
+       return sys_set_str(UPGRADE_TYPE_PATH, type);
+}
+
+static int get_upgrade_type(char *buffer, const int max_len)
+{
+       int ret = 0;
+
+       if (buffer == NULL)
+               return -EINVAL;
+
+       if (max_len < 1)
+               return -EINVAL;
+
+       ret = sys_get_str(UPGRADE_TYPE_PATH, buffer, max_len - 1);
+       if (ret < 0)
+               return ret;
+
+       trim_str(buffer);
+
+       if (strcmp(buffer, UPGRADE_TYPE_ONLINE) != 0 &&
+           strcmp(buffer, UPGRADE_TYPE_OFFLINE) != 0) {
+               return -ENOENT;
+       }
+
+       return 0;
+}
+
 static int board_init(void **data)
 {
        hal_backend_board_funcs *board_funcs;
@@ -368,6 +416,9 @@ static int board_init(void **data)
 
        *data = (void *)board_funcs;
 
+       board_funcs->set_upgrade_type = set_upgrade_type;
+       board_funcs->get_upgrade_type = get_upgrade_type;
+
        return 0;
 }