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[v3,13/30] mfd: cros_ec: Expand hash API

Message ID 20190509211353.213194-14-gwendal@chromium.org (mailing list archive)
State New, archived
Headers show
Series Update cros_ec_commands.h | expand

Commit Message

Gwendal Grignou May 9, 2019, 9:13 p.m. UTC 
Improve API to verify EC image signature.

Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
---
 include/linux/mfd/cros_ec_commands.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h
index 0ff1941288cf..76943e64998a 100644
--- a/include/linux/mfd/cros_ec_commands.h
+++ b/include/linux/mfd/cros_ec_commands.h
@@ -2018,8 +2018,15 @@  enum ec_vboot_hash_status {
  * If one of these is specified, the EC will automatically update offset and
  * size to the correct values for the specified image (RO or RW).
  */
-#define EC_VBOOT_HASH_OFFSET_RO 0xfffffffe
-#define EC_VBOOT_HASH_OFFSET_RW 0xfffffffd
+#define EC_VBOOT_HASH_OFFSET_RO		0xfffffffe
+#define EC_VBOOT_HASH_OFFSET_ACTIVE	0xfffffffd
+#define EC_VBOOT_HASH_OFFSET_UPDATE	0xfffffffc
+
+/*
+ * 'RW' is vague if there are multiple RW images; we mean the active one,
+ * so the old constant is deprecated.
+ */
+#define EC_VBOOT_HASH_OFFSET_RW EC_VBOOT_HASH_OFFSET_ACTIVE
 
 /*****************************************************************************/
 /*