linux-ext4 - Re: [PATCH v10 2/7] virtio-pmem: Add virtio pmem driver

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Date:   Tue, 21 May 2019 09:51:35 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Pankaj Gupta <pagupta@...hat.com>
Cc:     linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
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Subject: Re: [PATCH v10 2/7] virtio-pmem: Add virtio pmem driver

On Tue, May 21, 2019 at 07:07:08PM +0530, Pankaj Gupta wrote:
> diff --git a/include/uapi/linux/virtio_pmem.h b/include/uapi/linux/virtio_pmem.h
> new file mode 100644
> index 000000000000..7a3e2fe52415
> --- /dev/null
> +++ b/include/uapi/linux/virtio_pmem.h
> @@ -0,0 +1,35 @@
> +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
> +/*
> + * Definitions for virtio-pmem devices.
> + *
> + * Copyright (C) 2019 Red Hat, Inc.
> + *
> + * Author(s): Pankaj Gupta <pagupta@...hat.com>
> + */
> +
> +#ifndef _UAPI_LINUX_VIRTIO_PMEM_H
> +#define _UAPI_LINUX_VIRTIO_PMEM_H
> +
> +#include <linux/types.h>
> +#include <linux/virtio_types.h>
> +#include <linux/virtio_ids.h>
> +#include <linux/virtio_config.h>
> +
> +struct virtio_pmem_config {
> +	__le64 start;
> +	__le64 size;
> +};
> +

config generally should be __u64.
Are you sure sparse does not complain?


> +#define VIRTIO_PMEM_REQ_TYPE_FLUSH      0
> +
> +struct virtio_pmem_resp {
> +	/* Host return status corresponding to flush request */
> +	__virtio32 ret;
> +};
> +
> +struct virtio_pmem_req {
> +	/* command type */
> +	__virtio32 type;
> +};
> +
> +#endif
> -- 
> 2.20.1

Sorry why are these __virtio32 not __le32?

-- 
MST