From 42a42e4610ab9e4ca0bcc976f4b19f9f612a085e Mon Sep 17 00:00:00 2001
From: Klaus Jensen <k.jensen@samsung.com>
Date: Mon, 6 Jul 2020 08:12:51 +0200
Subject: hw/block/nvme: mark fw slot 1 as read-only

Mark firmware slot 1 as read-only and only support that slot.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200706061303.246057-7-its@irrelevant.dk>
---
 hw/block/nvme.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'hw')

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 38c6461..c970e41 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -61,6 +61,7 @@
 #define NVME_TEMPERATURE 0x143
 #define NVME_TEMPERATURE_WARNING 0x157
 #define NVME_TEMPERATURE_CRITICAL 0x175
+#define NVME_NUM_FW_SLOTS 1
 
 #define NVME_GUEST_ERR(trace, fmt, ...) \
     do { \
@@ -1664,7 +1665,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev)
      * inconsequential.
      */
     id->acl = 3;
-    id->frmw = 7 << 1;
+    id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO;
     id->lpa = 1 << 0;
 
     /* recommended default value (~70 C) */
-- 
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