Merge pull request #96 from nicktehrany/fix_nvme_cc_5.19-Linux

Fix 5.19 Kernel NVMe CC issue
MoatLab · Feb 21, 2023 · 262f3ba · 262f3ba
2 parents d298883 + 68e57dd
commit 262f3ba
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/hw/femu/femu.c b/hw/femu/femu.c
@@ -90,6 +90,13 @@ static void nvme_write_bar(FemuCtrl *n, hwaddr offset, uint64_t data, unsigned s
         n->bar.intmc = n->bar.intms;
         break;
     case 0x14:
+        /* If first sending data, then sending enable bit */
+        if (!NVME_CC_EN(data) && !NVME_CC_EN(n->bar.cc) &&
+                !NVME_CC_SHN(data) && !NVME_CC_SHN(n->bar.cc))
+        {
+            n->bar.cc = data;
+        }
+
         if (NVME_CC_EN(data) && !NVME_CC_EN(n->bar.cc)) {
             n->bar.cc = data;
             if (nvme_start_ctrl(n)) {