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linux-kernel/linux-7.2.3/drivers/gpu/drm/xe/abi/guc_scheduler_abi.h
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2026-09-06 12:53:21 -06:00

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C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2025 Intel Corporation
*/
#ifndef _ABI_GUC_SCHEDULER_ABI_H
#define _ABI_GUC_SCHEDULER_ABI_H
#include <linux/types.h>
/*
* Generic defines required for registration with and submissions to the GuC
* scheduler. Includes engine class/instance defines and context attributes
* (id, priority, etc)
*/
/* Engine classes/instances */
#define GUC_RENDER_CLASS 0
#define GUC_VIDEO_CLASS 1
#define GUC_VIDEOENHANCE_CLASS 2
#define GUC_BLITTER_CLASS 3
#define GUC_COMPUTE_CLASS 4
#define GUC_GSC_OTHER_CLASS 5
#define GUC_LAST_ENGINE_CLASS GUC_GSC_OTHER_CLASS
#define GUC_MAX_ENGINE_CLASSES 16
#define GUC_MAX_INSTANCES_PER_CLASS 32
/* context priority values */
#define GUC_CLIENT_PRIORITY_KMD_HIGH 0
#define GUC_CLIENT_PRIORITY_HIGH 1
#define GUC_CLIENT_PRIORITY_KMD_NORMAL 2
#define GUC_CLIENT_PRIORITY_NORMAL 3
#define GUC_CLIENT_PRIORITY_NUM 4
/* Context registration */
#define GUC_ID_MAX 65535
#define GUC_ID_UNKNOWN 0xffffffff
#define CONTEXT_REGISTRATION_FLAG_KMD BIT(0)
#define CONTEXT_REGISTRATION_FLAG_TYPE GENMASK(2, 1)
#define GUC_CONTEXT_NORMAL 0
#define GUC_CONTEXT_COMPRESSION_SAVE 1
#define GUC_CONTEXT_COMPRESSION_RESTORE 2
#define GUC_CONTEXT_COUNT (GUC_CONTEXT_COMPRESSION_RESTORE + 1)
/* context enable/disable */
#define GUC_CONTEXT_DISABLE 0
#define GUC_CONTEXT_ENABLE 1
/* scheduler groups */
#define GUC_MAX_SCHED_GROUPS 8
struct guc_sched_group {
u32 engines[GUC_MAX_ENGINE_CLASSES];
} __packed;
#endif