[PATCH] hw/nvme: Return error for fused operations

[Pankaj Raghav]

Currently, FUSED operations are not supported by QEMU. As per the 1.4 SPEC,
controller should abort the command that requested a fused operation with 
an INVALID FIELD error code if they are not supported.


Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
---
 hw/nvme/ctrl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index dc0e7b0030..d15a80a054 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -3893,6 +3893,10 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest 
*req)
         return ns->status;
     }
 
+    if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) {
+        return NVME_INVALID_FIELD;
+    }
+
     req->ns = ns;
 
     switch (req->cmd.opcode) {
-- 
2.25.1