vboot: Introduce handy vboot reboot functions

This patch groups vboot context, recovery reason and subcode saving, and
reboot calls into two handy functions:
- vboot_save_and_reboot() - save context and reboot
- vboot_fail_and_reboot() - store recovery reason and call function
  above

Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Change-Id: Ie29410e8985e7cf19bd8d4cccc393b050ca1f1c5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69208
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/security/vboot/vboot_common.c b/src/security/vboot/vboot_common.c
index c557f25c14..8ecb5d81eb 100644
--- a/src/security/vboot/vboot_common.c
+++ b/src/security/vboot/vboot_common.c
@@ -64,3 +64,18 @@ void vboot_reboot(void)
 	vboot_platform_prepare_reboot();
 	board_reset();
 }
+
+void vboot_save_and_reboot(struct vb2_context *ctx, uint8_t subcode)
+{
+	printk(BIOS_INFO, "vboot: reboot requested (%#x)\n", subcode);
+	vboot_save_data(ctx);
+	vboot_reboot();
+}
+
+void vboot_fail_and_reboot(struct vb2_context *ctx, uint8_t reason, uint8_t subcode)
+{
+	if (reason)
+		vb2api_fail(ctx, reason, subcode);
+
+	vboot_save_and_reboot(ctx, subcode);
+}