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From: Jani Nikula <jani.nikula@linux.intel.com>
To: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>,
	intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH v6 01/15] drm/i915/pxp: Define PXP component interface
Date: Fri, 13 Aug 2021 10:51:34 +0300	[thread overview]
Message-ID: <87y295lr3t.fsf@intel.com> (raw)
In-Reply-To: <20210729020106.18346-2-daniele.ceraolospurio@intel.com>

On Wed, 28 Jul 2021, Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> wrote:
> This will be used for communication between the i915 driver and the mei
> one. Defining it in a stand-alone patch to avoid circualr dependedencies
> between the patches modifying the 2 drivers.
>
> Split out from an original patch from  Huang, Sean Z
>
> v2: rename the component struct (Rodrigo)
>
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> ---
>  include/drm/i915_component.h         |  1 +
>  include/drm/i915_pxp_tee_interface.h | 45 ++++++++++++++++++++++++++++
>  2 files changed, 46 insertions(+)
>  create mode 100644 include/drm/i915_pxp_tee_interface.h
>
> diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h
> index 55c3b123581b..c1e2a43d2d1e 100644
> --- a/include/drm/i915_component.h
> +++ b/include/drm/i915_component.h
> @@ -29,6 +29,7 @@
>  enum i915_component_type {
>  	I915_COMPONENT_AUDIO = 1,
>  	I915_COMPONENT_HDCP,
> +	I915_COMPONENT_PXP
>  };
>  
>  /* MAX_PORT is the number of port
> diff --git a/include/drm/i915_pxp_tee_interface.h b/include/drm/i915_pxp_tee_interface.h
> new file mode 100644
> index 000000000000..09b8389152af
> --- /dev/null
> +++ b/include/drm/i915_pxp_tee_interface.h
> @@ -0,0 +1,45 @@
> +/* SPDX-License-Identifier: MIT */
> +/*
> + * Copyright © 2020 Intel Corporation
> + *
> + * Authors:
> + * Vitaly Lubart <vitaly.lubart@intel.com>

IMO we should avoid adding new authors lists in code comments. Git log
provides accurate and up-to-date information, and I don't want patches
where people add their names to authors lists.

BR,
Jani.


> + */
> +
> +#ifndef _I915_PXP_TEE_INTERFACE_H_
> +#define _I915_PXP_TEE_INTERFACE_H_
> +
> +#include <linux/mutex.h>
> +#include <linux/device.h>
> +
> +/**
> + * struct i915_pxp_component_ops - ops for PXP services.
> + * @owner: Module providing the ops
> + * @send: sends data to PXP
> + * @receive: receives data from PXP
> + */
> +struct i915_pxp_component_ops {
> +	/**
> +	 * @owner: owner of the module provding the ops
> +	 */
> +	struct module *owner;
> +
> +	int (*send)(struct device *dev, const void *message, size_t size);
> +	int (*recv)(struct device *dev, void *buffer, size_t size);
> +};
> +
> +/**
> + * struct i915_pxp_component - Used for communication between i915 and TEE
> + * drivers for the PXP services
> + * @tee_dev: device that provide the PXP service from TEE Bus.
> + * @pxp_ops: Ops implemented by TEE driver, used by i915 driver.
> + */
> +struct i915_pxp_component {
> +	struct device *tee_dev;
> +	const struct i915_pxp_component_ops *ops;
> +
> +	/* To protect the above members. */
> +	struct mutex mutex;
> +};
> +
> +#endif /* _I915_TEE_PXP_INTERFACE_H_ */

-- 
Jani Nikula, Intel Open Source Graphics Center

  reply	other threads:[~2021-08-13  7:51 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-29  2:00 [Intel-gfx] [PATCH v6 00/15] drm/i915: Introduce Intel PXP Daniele Ceraolo Spurio
2021-07-29  2:00 ` [Intel-gfx] [PATCH v6 01/15] drm/i915/pxp: Define PXP component interface Daniele Ceraolo Spurio
2021-08-13  7:51   ` Jani Nikula [this message]
2021-07-29  2:00 ` [Intel-gfx] [PATCH v6 02/15] mei: pxp: export pavp client to me client bus Daniele Ceraolo Spurio
2021-07-29 20:45   ` Rodrigo Vivi
2021-07-29  2:00 ` [Intel-gfx] [PATCH v6 03/15] drm/i915/pxp: define PXP device flag and kconfig Daniele Ceraolo Spurio
2021-07-29  2:00 ` [Intel-gfx] [PATCH v6 04/15] drm/i915/pxp: allocate a vcs context for pxp usage Daniele Ceraolo Spurio
2021-07-29  2:00 ` [Intel-gfx] [PATCH v6 05/15] drm/i915/pxp: Implement funcs to create the TEE channel Daniele Ceraolo Spurio
2021-07-29  2:00 ` [Intel-gfx] [PATCH v6 06/15] drm/i915/pxp: set KCR reg init Daniele Ceraolo Spurio
2021-07-29  2:00 ` [Intel-gfx] [PATCH v6 07/15] drm/i915/pxp: Create the arbitrary session after boot Daniele Ceraolo Spurio
2021-07-29  2:00 ` [Intel-gfx] [PATCH v6 08/15] drm/i915/pxp: Implement arb session teardown Daniele Ceraolo Spurio
2021-07-29  2:01 ` [Intel-gfx] [PATCH v6 09/15] drm/i915/pxp: Implement PXP irq handler Daniele Ceraolo Spurio
2021-08-13 14:28   ` Daniel Vetter
2021-07-29  2:01 ` [Intel-gfx] [PATCH v6 10/15] drm/i915/pxp: interfaces for using protected objects Daniele Ceraolo Spurio
2021-07-29 11:10   ` Rodrigo Vivi
2021-07-29 15:17     ` Daniele Ceraolo Spurio
2021-07-29 20:40       ` Rodrigo Vivi
2021-08-13 14:37   ` Daniel Vetter
2021-08-13 14:42     ` Daniel Vetter
2021-08-13 15:24       ` Daniele Ceraolo Spurio
2021-08-16 15:29         ` Daniel Vetter
2021-08-13 15:18     ` Daniele Ceraolo Spurio
2021-08-16 15:15       ` Daniel Vetter
2021-08-16 15:58         ` Daniele Ceraolo Spurio
2021-08-17  9:02           ` Daniel Vetter
2021-07-29  2:01 ` [Intel-gfx] [PATCH v6 11/15] drm/i915/pxp: start the arb session on demand Daniele Ceraolo Spurio
2021-07-29  2:01 ` [Intel-gfx] [PATCH v6 12/15] drm/i915/pxp: Enable PXP power management Daniele Ceraolo Spurio
2021-07-29  2:01 ` [Intel-gfx] [PATCH v6 13/15] drm/i915/pxp: Add plane decryption support Daniele Ceraolo Spurio
2021-08-12  8:17   ` Anshuman Gupta
2021-08-23  7:50     ` Shankar, Uma
2021-07-29  2:01 ` [Intel-gfx] [PATCH v6 14/15] drm/i915/pxp: black pixels on pxp disabled Daniele Ceraolo Spurio
2021-08-12  8:20   ` Anshuman Gupta
2021-08-23  7:56     ` Shankar, Uma
2021-07-29  2:01 ` [Intel-gfx] [PATCH v6 15/15] drm/i915/pxp: enable PXP for integrated Gen12 Daniele Ceraolo Spurio
2021-07-29  3:16 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Introduce Intel PXP (rev2) Patchwork
2021-07-29  3:17 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-07-29  3:21 ` [Intel-gfx] ✗ Fi.CI.DOCS: " Patchwork
2021-07-29  3:43 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-07-29  9:55 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2021-08-12 12:07 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Introduce Intel PXP (rev4) Patchwork
2021-08-12 12:09 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-08-12 12:13 ` [Intel-gfx] ✗ Fi.CI.DOCS: " Patchwork
2021-08-12 12:37 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-08-12 14:59 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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