Re: [PATCH v3 2/2] drm/i915/hdcp: Move common message filling function to its own file

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On Wed, 20 Sep 2023, Suraj Kandpal <suraj.kandpal@xxxxxxxxx> wrote:
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp_gsc_message.h b/drivers/gpu/drm/i915/display/intel_hdcp_gsc_message.h
> new file mode 100644
> index 000000000000..1096dd36823f
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp_gsc_message.h
> @@ -0,0 +1,73 @@
> +/* SPDX-License-Identifier: MIT */
> +/*
> + * Copyright © 2023 Intel Corporation
> + */
> +
> +#ifndef __INTEL_HDCP_GSC_MESSAGE_H__
> +#define __INTEL_HDCP_GSC_MESSAGE_H__
> +
> +#include <linux/err.h>

What does this header need from err.h?

BR,
Jani.

> +#include <linux/types.h>
> +
> +struct device;
> +struct drm_i915_private;
> +struct hdcp_port_data;
> +struct hdcp2_ake_init;
> +struct hdcp2_ake_send_cert;
> +struct hdcp2_ake_no_stored_km;
> +struct hdcp2_ake_send_hprime;
> +struct hdcp2_ake_send_pairing_info;
> +struct hdcp2_lc_init;
> +struct hdcp2_lc_send_lprime;
> +struct hdcp2_ske_send_eks;
> +struct hdcp2_rep_send_receiverid_list;
> +struct hdcp2_rep_send_ack;
> +struct hdcp2_rep_stream_ready;
> +
> +ssize_t intel_hdcp_gsc_msg_send(struct drm_i915_private *i915, u8 *msg_in,
> +				size_t msg_in_len, u8 *msg_out,
> +				size_t msg_out_len);
> +bool intel_hdcp_gsc_check_status(struct drm_i915_private *i915);
> +int
> +intel_hdcp_gsc_initiate_session(struct device *dev, struct hdcp_port_data *data,
> +				struct hdcp2_ake_init *ake_data);
> +int
> +intel_hdcp_gsc_verify_receiver_cert_prepare_km(struct device *dev,
> +					       struct hdcp_port_data *data,
> +					       struct hdcp2_ake_send_cert *rx_cert,
> +					       bool *km_stored,
> +					       struct hdcp2_ake_no_stored_km
> +					       *ek_pub_km,
> +					       size_t *msg_sz);
> +int
> +intel_hdcp_gsc_verify_hprime(struct device *dev, struct hdcp_port_data *data,
> +			     struct hdcp2_ake_send_hprime *rx_hprime);
> +int
> +intel_hdcp_gsc_store_pairing_info(struct device *dev, struct hdcp_port_data *data,
> +				  struct hdcp2_ake_send_pairing_info *pairing_info);
> +int
> +intel_hdcp_gsc_initiate_locality_check(struct device *dev,
> +				       struct hdcp_port_data *data,
> +				       struct hdcp2_lc_init *lc_init_data);
> +int
> +intel_hdcp_gsc_verify_lprime(struct device *dev, struct hdcp_port_data *data,
> +			     struct hdcp2_lc_send_lprime *rx_lprime);
> +int intel_hdcp_gsc_get_session_key(struct device *dev,
> +				   struct hdcp_port_data *data,
> +				   struct hdcp2_ske_send_eks *ske_data);
> +int
> +intel_hdcp_gsc_repeater_check_flow_prepare_ack(struct device *dev,
> +					       struct hdcp_port_data *data,
> +					       struct hdcp2_rep_send_receiverid_list
> +					       *rep_topology,
> +					       struct hdcp2_rep_send_ack
> +					       *rep_send_ack);
> +int intel_hdcp_gsc_verify_mprime(struct device *dev,
> +				 struct hdcp_port_data *data,
> +				 struct hdcp2_rep_stream_ready *stream_ready);
> +int intel_hdcp_gsc_enable_authentication(struct device *dev,
> +					 struct hdcp_port_data *data);
> +int
> +intel_hdcp_gsc_close_session(struct device *dev, struct hdcp_port_data *data);
> +
> +#endif /* __INTEL_HDCP_GSC_MESSAGE_H__ */

-- 
Jani Nikula, Intel




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