Re: [PATCH 1/2] fpga: Add flag to indicate bitstream needs decrypting

[Michal Simek]

On 15.2.2017 01:31, mdf@xxxxxxxxxx wrote:
> From: Moritz Fischer <moritz.fischer@xxxxxxxxx>
> 
> Add a flag that is passed to the write_init() callback, indicating
> that the bitstream is encrypted.
> 
> The low-level driver will deal with the flag, or return an error,
> if encrypted bitstreams are not supported.
> 
> Signed-off-by: Moritz Fischer <moritz.fischer@xxxxxxxxx>
> Cc: Alan Tull <atull@xxxxxxxxxx>
> Cc: Michal Simek <michal.simek@xxxxxxxxxx>
> Cc: SÃren Brinkmann <soren.brinkmann@xxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: linux-fpga@xxxxxxxxxxxxxxx
> ---
>  include/linux/fpga/fpga-mgr.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
> index 57beb5d..1355d8a 100644
> --- a/include/linux/fpga/fpga-mgr.h
> +++ b/include/linux/fpga/fpga-mgr.h
> @@ -70,6 +70,7 @@ enum fpga_mgr_states {
>   */
>  #define FPGA_MGR_PARTIAL_RECONFIG	BIT(0)
>  #define FPGA_MGR_EXTERNAL_CONFIG	BIT(1)
> +#define FPGA_MGR_DECRYPT_BITSTREAM	BIT(2)
>  
>  /**
>   * struct fpga_image_info - information specific to a FPGA image
> 

Isn't it better to state that bitstream is encrypted
instead of saying that bitstream requires decryption?

Your second patch is saying add support for encrypted bitstreams.

M