From 0a48496179b385d0b9a294f9037ad33c3185911b Mon Sep 17 00:00:00 2001
From: Matt Keeter <matt@oxide.computer>
Date: Wed, 21 Aug 2024 14:18:20 -0400
Subject: [PATCH] Log hash driver init failure

---
 drv/cosmo-hf/src/hf.rs   | 3 ++-
 drv/cosmo-hf/src/main.rs | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drv/cosmo-hf/src/hf.rs b/drv/cosmo-hf/src/hf.rs
index 5583f1572..d9df4ed49 100644
--- a/drv/cosmo-hf/src/hf.rs
+++ b/drv/cosmo-hf/src/hf.rs
@@ -148,7 +148,8 @@ impl idl::InOrderHostFlashImpl for ServerImpl {
         len: u32,
     ) -> Result<[u8; SHA256_SZ], RequestError<HfError>> {
         let hash_driver = drv_hash_api::Hash::from(HASH.get_task_id());
-        if hash_driver.init_sha256().is_err() {
+        if let Err(e) = hash_driver.init_sha256() {
+            ringbuf_entry!(Trace::HashInitError(e));
             return Err(HfError::HashError.into());
         }
         let begin = addr as usize;
diff --git a/drv/cosmo-hf/src/main.rs b/drv/cosmo-hf/src/main.rs
index 09e4f00f2..e5cd64232 100644
--- a/drv/cosmo-hf/src/main.rs
+++ b/drv/cosmo-hf/src/main.rs
@@ -31,6 +31,7 @@ enum Trace {
     SectorEraseBusy,
     WriteBusy,
 
+    HashInitError(drv_hash_api::HashError),
     HashUpdateError(drv_hash_api::HashError),
     HashFinalizeError(drv_hash_api::HashError),
 }