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  $   	ˆÁÀ„mæÝ¿a–Ým_J*j"Tâ~àpASÿÃ ?÷     	/*
 * Copyright 2014 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef KFD_IOCTL_H_INCLUDED
#define KFD_IOCTL_H_INCLUDED

#include <drm/drm.h>
#include <linux/ioctl.h>

/*
 * - 1.1 - initial version
 * - 1.3 - Add SMI events support
 * - 1.4 - Indicate new SRAM EDC bit in device properties
 * - 1.5 - Add SVM API
 * - 1.6 - Query clear flags in SVM get_attr API
 * - 1.7 - Checkpoint Restore (CRIU) API
 * - 1.8 - CRIU - Support for SDMA transfers with GTT BOs
 * - 1.9 - Add available memory ioctl
 * - 1.10 - Add SMI profiler event log
 * - 1.11 - Add unified memory for ctx save/restore area
 * - 1.12 - Add DMA buf export ioctl
 * - 1.13 - Add debugger API
 * - 1.14 - Update kfd_event_data
 * - 1.15 - Enable managing mappings in compute VMs with GEM_VA ioctl
 * - 1.16 - Add contiguous VRAM allocation flag
 * - 1.17 - Add SDMA queue creation with target SDMA engine ID
 * - 1.18 - Rename pad in set_memory_policy_args to misc_process_flag
 */
#define KFD_IOCTL_MAJOR_VERSION 1
#define KFD_IOCTL_MINOR_VERSION 18

struct kfd_ioctl_get_version_args {
	__u32 major_version;	/* from KFD */
	__u32 minor_version;	/* from KFD */
};

/* For kfd_ioctl_create_queue_args.queue_type. */
#define KFD_IOC_QUEUE_TYPE_COMPUTE		0x0
#define KFD_IOC_QUEUE_TYPE_SDMA			0x1
#define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL		0x2
#define KFD_IOC_QUEUE_TYPE_SDMA_XGMI		0x3
#define KFD_IOC_QUEUE_TYPE_SDMA_BY_ENG_ID	0x4

#define KFD_MAX_QUEUE_PERCENTAGE	100
#define KFD_MAX_QUEUE_PRIORITY		15

#define KFD_MIN_QUEUE_RING_SIZE		1024

struct kfd_ioctl_create_queue_args {
	__u64 ring_base_address;	/* to KFD */
	__u64 write_pointer_address;	/* to KFD */
	__u64 read_pointer_address;	/* to KFD */
	__u64 doorbell_offset;	/* from KFD */

	__u32 ring_size;		/* to KFD */
	__u32 gpu_id;		/* to KFD */
	__u32 queue_type;		/* to KFD */
	__u32 queue_percentage;	/* to KFD */
	__u32 queue_priority;	/* to KFD */
	__u32 queue_id;		/* from KFD */

	__u64 eop_buffer_address;	/* to KFD */
	__u64 eop_buffer_size;	/* to KFD */
	__u64 ctx_save_restore_address; /* to KFD */
	__u32 ctx_save_restore_size;	/* to KFD */
	__u32 ctl_stack_size;		/* to KFD */
	__u32 sdma_engine_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_destroy_queue_args {
	__u32 queue_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_update_queue_args {
	__u64 ring_base_address;	/* to KFD */

	__u32 queue_id;		/* to KFD */
	__u32 ring_size;		/* to KFD */
	__u32 queue_percentage;	/* to KFD */
	__u32 queue_priority;	/* to KFD */
};

struct kfd_ioctl_set_cu_mask_args {
	__u32 queue_id;		/* to KFD */
	__u32 num_cu_mask;		/* to KFD */
	__u64 cu_mask_ptr;		/* to KFD */
};

struct kfd_ioctl_get_queue_wave_state_args {
	__u64 ctl_stack_address;	/* to KFD */
	__u32 ctl_stack_used_size;	/* from KFD */
	__u32 save_area_used_size;	/* from KFD */
	__u32 queue_id;			/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_get_available_memory_args {
	__u64 available;	/* from KFD */
	__u32 gpu_id;		/* to KFD */
	__u32 pad;
};

struct kfd_dbg_