linux-stable/drivers/gpu/drm/xe/xe_heci_gsc.h
Vitaly Lubart 87a4c85d3a drm/xe/gsc: add gsc device support
Create mei-gscfi auxiliary device and configure interrupts
to be consumed by mei-gsc device driver.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2023-12-21 11:43:00 -05:00

35 lines
833 B
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright(c) 2023, Intel Corporation. All rights reserved.
*/
#ifndef __XE_HECI_GSC_DEV_H__
#define __XE_HECI_GSC_DEV_H__
#include <linux/types.h>
struct xe_device;
struct mei_aux_device;
/*
* 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 xe_heci_gsc - graphics security controller for xe, HECI interface
*
* @adev : pointer to mei auxiliary device structure
* @irq : irq number
*
*/
struct xe_heci_gsc {
struct mei_aux_device *adev;
int irq;
};
void xe_heci_gsc_init(struct xe_device *xe);
void xe_heci_gsc_fini(struct xe_device *xe);
void xe_heci_gsc_irq_handler(struct xe_device *xe, u32 iir);
#endif /* __XE_HECI_GSC_DEV_H__ */