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Re: [PATCH] hw/nvme: Return error for fused operations
From: |
Klaus Jensen |
Subject: |
Re: [PATCH] hw/nvme: Return error for fused operations |
Date: |
Mon, 13 Sep 2021 07:32:25 +0200 |
On Sep 10 16:50, Pankaj Raghav wrote:
> 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
>
I think this should be done in nvme_admin_cmd() as well?
You could hoist this to nvme_process_sq(), but I don't think it belongs
there. So better to just copy it.
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