From 71e2b5bf17fb4cf26a6f5c4ad0ededde9e7e45f8 Mon Sep 17 00:00:00 2001
From: Luqman Aden <luqman@oxide.computer>
Date: Mon, 4 Dec 2023 14:22:16 -0800
Subject: [PATCH] nvme: log controller enable/disable

---
 lib/propolis/src/hw/nvme/mod.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/propolis/src/hw/nvme/mod.rs b/lib/propolis/src/hw/nvme/mod.rs
index 9a1be7065..699e6b9bb 100644
--- a/lib/propolis/src/hw/nvme/mod.rs
+++ b/lib/propolis/src/hw/nvme/mod.rs
@@ -618,6 +618,8 @@ impl PciNvme {
 
         let cur = state.ctrl.cc;
         if new.enabled() && !cur.enabled() {
+            slog::info!(self.log, "Enabling controller");
+
             let mem = self.mem_access();
             let mem = mem.ok_or(NvmeError::MemoryInaccessible)?;
 
@@ -633,6 +635,8 @@ impl PciNvme {
                 state.ctrl.csts.set_ready(true);
             }
         } else if !new.enabled() && cur.enabled() {
+            slog::info!(self.log, "Disabling controller");
+
             // Reset controller state which will set CC.EN=0 and CSTS.RDY=0
             state.reset();
         }