Re: [PATCHv1 1/4] fpga: fpga-mgr: add FPGA_MGR_BITSTREM_AUTHENTICATION flag

[Tom Rix <trix@redhat.com>]

On 11/12/20 10:06 AM, richard.gong@linux.intel.com wrote:
> From: Richard Gong <richard.gong@intel.com>
>
> Add FPGA_MGR_BITSTREM_AUTHENTICATION flag for FPGA bitstream
> authentication.

Should improve this commit so explain what you mean authentication.

it could mean 'it wrote correctly' or 'it was signed correctly' or something else.

>
> Signed-off-by: Richard Gong <richard.gong@intel.com>
> ---
>  include/linux/fpga/fpga-mgr.h | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
> index 2bc3030..1d65814 100644
> --- a/include/linux/fpga/fpga-mgr.h
> +++ b/include/linux/fpga/fpga-mgr.h
> @@ -67,12 +67,15 @@ enum fpga_mgr_states {
>   * %FPGA_MGR_BITSTREAM_LSB_FIRST: SPI bitstream bit order is LSB first
>   *
>   * %FPGA_MGR_COMPRESSED_BITSTREAM: FPGA bitstream is compressed
> + *
> + * %FPGA_MGR_BITSTREM_AUTHENTICATION: do FPGA bitstream authentication
>   */
>  #define FPGA_MGR_PARTIAL_RECONFIG	BIT(0)
>  #define FPGA_MGR_EXTERNAL_CONFIG	BIT(1)
>  #define FPGA_MGR_ENCRYPTED_BITSTREAM	BIT(2)
>  #define FPGA_MGR_BITSTREAM_LSB_FIRST	BIT(3)
>  #define FPGA_MGR_COMPRESSED_BITSTREAM	BIT(4)
> +#define FPGA_MGR_BITSTREM_AUTHENTICATION BIT(5)

A whitespace issue, the new BIT(5) should align with the others, so add two spaces to the others.

Tom

>  
>  /**
>   * struct fpga_image_info - information specific to a FPGA image