flashrom_tester: Add an implementation using libflashrom

flashrom_tester 'flashrom' crate was implemented using the flashrom
commandline. Add a second implementation using the libflashrom interface
via the libflashrom and libflashrom-sys rust bindings.

BUG=b:230545739
BRANCH=None
TEST=cargo test
TEST=on grunt (AMD)
TEST=/usr/bin/flashrom_tester --libflashrom host
TEST=/usr/bin/flashrom_tester --flashrom_binary /usr/sbin/flashrom host

Change-Id: Ic4db6c829d7e8dc707a10c10e1ca0d9b8abccdec
Signed-off-by: Evan Benn <evanbenn@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/65282
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/util/flashrom_tester/flashrom/src/lib.rs b/util/flashrom_tester/flashrom/src/lib.rs
index 5f168b529..7326391e1 100644
--- a/util/flashrom_tester/flashrom/src/lib.rs
+++ b/util/flashrom_tester/flashrom/src/lib.rs
@@ -37,10 +37,17 @@
 extern crate log;
 
 mod cmd;
+mod flashromlib;
 
 use std::{error, fmt};
 
 pub use cmd::{dut_ctrl_toggle_wp, FlashromCmd};
+pub use flashromlib::FlashromLib;
+
+pub use libflashrom::{
+    flashrom_log_level, FLASHROM_MSG_DEBUG, FLASHROM_MSG_DEBUG2, FLASHROM_MSG_ERROR,
+    FLASHROM_MSG_INFO, FLASHROM_MSG_SPEW, FLASHROM_MSG_WARN,
+};
 
 #[derive(Copy, Clone, PartialEq, Debug)]
 pub enum FlashChip {
@@ -71,6 +78,13 @@ impl FlashChip {
         return r;
     }
 
+    /// Return the programmer string and optional programmer options
+    pub fn to_split(fc: FlashChip) -> (&'static str, Option<&'static str>) {
+        let programmer = FlashChip::to(fc);
+        let mut bits = programmer.splitn(2, ':');
+        (bits.next().unwrap(), bits.next())
+    }
+
     /// Return whether the hardware write protect signal can be controlled.
     ///
     /// Servo and dediprog adapters are assumed to always have hardware write protect