/* SPDX-License-Identifier: MIT */
/*
* Copyright ( c ) 2019 - 2022 , Intel Corporation . All rights reserved .
*/
#ifndef __INTEL_GSC_DEV_H__
#define __INTEL_GSC_DEV_H__
#include <linux/types.h>
struct drm_i915_private;
struct intel_gt;
struct mei_aux_device;
#define INTEL_GSC_NUM_INTERFACES 2
/*
* The HECI1 bit corresponds to bit15 and HECI2 to bit14 .
* The reason for this is to allow growth for more interfaces in the future .
*/
#define GSC_IRQ_INTF(_x) BIT(15 - (_x))
/**
* struct intel_gsc - graphics security controller
*
* @ intf : gsc interface
* @ intf . adev : MEI aux . device for this @ intf
* @ intf . gem_obj : scratch memory GSC operations
* @ intf . irq : IRQ for this device ( % - 1 for no IRQ )
* @ intf . id : this interface ' s id number / index
*/
struct intel_gsc {
struct intel_gsc_intf {
struct mei_aux_device *adev;
struct drm_i915_gem_object *gem_obj;
int irq;
unsigned int id;
} intf[INTEL_GSC_NUM_INTERFACES];
};
void intel_gsc_init(struct intel_gsc *gsc, struct drm_i915_private *i915);
void intel_gsc_fini(struct intel_gsc *gsc);
void intel_gsc_irq_handler(struct intel_gt *gt, u32 iir);
#endif /* __INTEL_GSC_DEV_H__ */
Messung V0.5 in Prozent C=90 H=100 G=95
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(vorverarbeitet am 2026-10-03)
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