Re: [PATCH v2 09/16] cxl: Add support for FWCTL get driver information callback

[Jonathan Cameron <Jonathan.Cameron@huawei.com>]

On Fri, 31 Jan 2025 17:42:02 -0700
Dave Jiang <dave.jiang@intel.com> wrote:

> Add definition for fwctl_ops->info() to return driver information. The
> function will return a data structure with a reserved u32. This is setup
> for future usages.
> 
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>

> diff --git a/include/uapi/fwctl/cxl.h b/include/uapi/fwctl/cxl.h
> new file mode 100644
> index 000000000000..4e766ffb1388
> --- /dev/null
> +++ b/include/uapi/fwctl/cxl.h
> @@ -0,0 +1,19 @@
> +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> +/*
> + * Copyright (c) 2024, Intel Corporation
> + *
> + * These are definitions for the mailbox command interface of CXL subsystem.
> + */
> +#ifndef _UAPI_FWCTL_CXL_H_
> +#define _UAPI_FWCTL_CXL_H_
> +
> +#include <linux/types.h>
> +
> +/**
> + * struct fwctl_info_cxl - ioctl(FWCTL_INFO) out_device_data
> + * @reserved: Place older for future usages
holder.  Freudian slip?
 :)
> + */
> +struct fwctl_info_cxl {
> +	__u32 reserved;
> +};
> +#endif