From 63ae7ae91c5372010d5fc4124e6c901275dc7940 Mon Sep 17 00:00:00 2001
From: Evan Benn <evanbenn@chromium.org>
Date: Wed, 9 Nov 2022 16:07:26 +1100
Subject: flashrom_tester: Check the WP state when setting
Check that the hardware and software WP state are as expected in the
setter methods.
BUG=b:244663741
BRANCH=None
TEST=flashrom_tester --libflashrom host
Change-Id: Ie7f90ab478dca6f92eaa0908443e3cb156ea0319
Signed-off-by: Evan Benn <evanbenn@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/69402
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
util/flashrom_tester/src/tester.rs | 34 +++++++++++++++++++++++++---------
1 file changed, 25 insertions(+), 9 deletions(-)
diff --git a/util/flashrom_tester/src/tester.rs b/util/flashrom_tester/src/tester.rs
index c43c7d22..bedccaff 100644
--- a/util/flashrom_tester/src/tester.rs
+++ b/util/flashrom_tester/src/tester.rs
@@ -229,28 +229,44 @@ impl<'a> WriteProtectState<'a> {
/// Set the software write protect and check that the state is as expected.
pub fn set_sw(&mut self, enable: bool) -> Result<&mut Self, String> {
- info!("request={}, current={}", enable, self.current.sw);
+ info!("set_sw request={}, current={}", enable, self.current.sw);
if self.current.sw != enable {
self.cmd
.wp_toggle(/* en= */ enable)
.map_err(|e| e.to_string())?;
}
- Ok(self)
+ if Self::get_sw(self.cmd).map_err(|e| e.to_string())? != enable {
+ Err(format!(
+ "Software write protect did not change state to {} when requested",
+ enable
+ ))
+ } else {
+ self.current.sw = enable;
+ Ok(self)
+ }
}
- /// Set the hardware write protect.
+ /// Set the hardware write protect if supported and check that the state is as expected.
pub fn set_hw(&mut self, enable: bool) -> Result<&mut Self, String> {
+ info!("set_hw request={}, current={}", enable, self.current.hw);
if self.can_control_hw_wp() {
if self.current.hw != enable {
super::utils::toggle_hw_wp(/* dis= */ !enable)?;
- self.current.hw = enable;
- } else if enable {
- info!(
- "Ignoring attempt to enable hardware WP with {:?} programmer",
- self.fc
- );
}
+ // toggle_hw_wp does check this, but we might not have called toggle_hw_wp so check again.
+ if Self::get_hw(self.cmd)? != enable {
+ return Err(format!(
+ "Hardware write protect did not change state to {} when requested",
+ enable
+ ));
+ }
+ } else {
+ info!(
+ "Ignoring attempt to set hardware WP with {:?} programmer",
+ self.fc
+ );
}
+ self.current.hw = enable;
Ok(self)
}
--
cgit v1.2.3