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path: root/drivers/gpu/drm/amd/include/mes_v11_api_def.h
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/*
 * Copyright 2022 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 __MES_API_DEF_H__
#define __MES_API_DEF_H__

#pragma pack(push, 4)

#define MES_API_VERSION 1

/* Driver submits one API(cmd) as a single Frame and this command size is same
 * for all API to ease the debugging and parsing of ring buffer.
 */
enum { API_FRAME_SIZE_IN_DWORDS = 64 };

/* To avoid command in scheduler context to be overwritten whenenver mutilple
 * interrupts come in, this creates another queue.
 */
enum { API_NUMBER_OF_COMMAND_MAX = 32 };

enum MES_API_TYPE {
	MES_API_TYPE_SCHEDULER = 1,
	MES_API_TYPE_MAX
};

enum MES_SCH_API_OPCODE {
	MES_SCH_API_SET_HW_RSRC			= 0,
	MES_SCH_API_SET_SCHEDULING_CONFIG	= 1, /* agreegated db, quantums, etc */
	MES_SCH_API_ADD_QUEUE			= 2,
	MES_SCH_API_REMOVE_QUEUE		= 3,
	MES_SCH_API_PERFORM_YIELD		= 4,
	MES_SCH_API_SET_GANG_PRIORITY_LEVEL	= 5,
	MES_SCH_API_SUSPEND			= 6,
	MES_SCH_API_RESUME			= 7,
	MES_SCH_API_RESET			= 8,
	MES_SCH_API_SET_LOG_BUFFER		= 9,
	MES_SCH_API_CHANGE_GANG_PRORITY		= 10,
	MES_SCH_API_QUERY_SCHEDULER_STATUS	= 11,
	MES_SCH_API_PROGRAM_GDS			= 12,
	MES_SCH_API_SET_DEBUG_VMID		= 13,
	MES_SCH_API_MISC			= 14,
	MES_SCH_API_UPDATE_ROOT_PAGE_TABLE      = 15,
	MES_SCH_API_AMD_LOG                     = 16,
	MES_SCH_API_MAX				= 0xFF
};

union MES_API_HEADER {
	struct {
		uint32_t type		: 4; /* 0 - Invalid; 1 - Scheduling; 2 - TBD */
		uint32_t opcode		: 8;
		uint32_t dwsize		: 8; /* including header */
		uint32_t reserved	: 12;
	};

	uint32_t	u32All;
};

enum MES_AMD_PRIORITY_LEVEL {
	AMD_PRIORITY_LEVEL_LOW		= 0,
	AMD_PRIORITY_LEVEL_NORMAL	= 1,
	AMD_PRIORITY_LEVEL_MEDIUM	= 2,
	AMD_PRIORITY_LEVEL_HIGH		= 3,
	AMD_PRIORITY_LEVEL_REALTIME	= 4,
	AMD_PRIORITY_NUM_LEVELS
};

enum MES_QUEUE_TYPE {
	MES_QUEUE_TYPE_GFX,
	MES_QUEUE_TYPE_COMPUTE,
	MES_QUEUE_TYPE_SDMA,
	MES_QUEUE_TYPE_MAX,
};

struct MES_API_STATUS {
	uint64_t	api_completion_fence_addr;
	uint64_t	api_completion_fence_value;
};

enum { MAX_COMPUTE_PIPES = 8 };
enum { MAX_GFX_PIPES = 2 };
enum { MAX_SDMA_PIPES = 2 };

enum { MAX_COMPUTE_HQD_PER_PIPE = 8 };
enum { MAX_GFX_HQD_PER_PIPE = 8 };
enum { MAX_SDMA_HQD_PER_PIPE = 10 };
enum { MAX_SDMA_HQD_PER_PIPE_11_0   = 8 };

enum { MAX_QUEUES_IN_A_GANG = 8 };

enum VM_HUB_TYPE {
	VM_HUB_TYPE_GC = 0,
	VM_HUB_TYPE_MM = 1,
	VM_HUB_TYPE_MAX,
};

enum { VMID_INVALID = 0xffff };

enum { MAX_VMID_GCHUB = 16 };
enum { MAX_VMID_MMHUB = 16 };

enum SET_DEBUG_VMID_OPERATIONS {
	DEBUG_VMID_OP_PROGRAM = 0,
	DEBUG_VMID_OP_ALLOCATE = 1,
	DEBUG_VMID_OP_RELEASE = 2
};

enum MES_LOG_OPERATION {
	MES_LOG_OPERATION_CONTEXT_STATE_CHANGE = 0,
	MES_LOG_OPERATION_QUEUE_NEW_WORK = 1,
	MES_LOG_OPERATION_QUEUE_UNWAIT_SYNC_OBJECT = 2,
	MES_LOG_OPERATION_QUEUE_NO_MORE_WORK = 3,
	MES_LOG_OPERATION_QUEUE_WAIT_SYNC_OBJECT = 4,
	MES_LOG_OPERATION_QUEUE_INVALID = 0xF,
};

enum MES_LOG_CONTEXT_STATE {
	MES_LOG_CONTEXT_STATE_IDLE		= 0,
	MES_LOG_CONTEXT_STATE_RUNNING		= 1,
	MES_LOG_CONTEXT_STATE_READY		= 2,
	MES_LOG_CONTEXT_STATE_READY_STANDBY	= 3,
	MES_LOG_CONTEXT_STATE_INVALID           = 0xF,
};

struct MES_LOG_CONTEXT_STATE_CHANGE {
	void				*h_context;
	enum MES_LOG_CONTEXT_STATE	new_context_state;
};

struct MES_LOG_QUEUE_NEW_WORK {
	uint64_t                   h_queue;
	uint64_t                   reserved;
};

struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT {
	uint64_t                   h_queue;
	uint64_t                   h_sync_object;
};

struct MES_LOG_QUEUE_NO_MORE_WORK {
	uint64_t                   h_queue;
	uint64_t                   reserved;
};

struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT {
	uint64_t                   h_queue;
	uint64_t                   h_sync_object;
};

struct MES_LOG_ENTRY_HEADER {
	uint32_t	first_free_entry_index;
	uint32_t	wraparound_count;
	uint64_t	number_of_entries;
	uint64_t	reserved[2];
};

struct MES_LOG_ENTRY_DATA {
	uint64_t	gpu_time_stamp;
	uint32_t	operation_type; /* operation_type is of MES_LOG_OPERATION type */
	uint32_t	reserved_operation_type_bits;
	union {
		struct MES_LOG_CONTEXT_STATE_CHANGE     context_state_change;
		struct MES_LOG_QUEUE_NEW_WORK           queue_new_work;
		struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT queue_unwait_sync_object;
		struct MES_LOG_QUEUE_NO_MORE_WORK       queue_no_more_work;
		struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT   queue_wait_sync_object;
		uint64_t                                all[2];
	};
};

struct MES_LOG_BUFFER {
	struct MES_LOG_ENTRY_HEADER	header;
	struct MES_LOG_ENTRY_DATA	entries[1];
};

enum MES_SWIP_TO_HWIP_DEF {
	MES_MAX_HWIP_SEGMENT = 8,
};

union MESAPI_SET_HW_RESOURCES {
	struct {
		union MES_API_HEADER	header;
		uint32_t		vmid_mask_mmhub;
		uint32_t		vmid_mask_gfxhub;
		uint32_t		gds_size;
		uint32_t		paging_vmid;
		uint32_t		compute_hqd_mask[MAX_COMPUTE_PIPES];
		uint32_t		gfx_hqd_mask[MAX_GFX_PIPES];
		uint32_t		sdma_hqd_mask[MAX_SDMA_PIPES];
		uint32_t		aggregated_doorbells[AMD_PRIORITY_NUM_LEVELS];
		uint64_t		g_sch_ctx_gpu_mc_ptr;
		uint64_t		query_status_fence_gpu_mc_ptr;
		uint32_t		gc_base[MES_MAX_HWIP_SEGMENT];
		uint32_t		mmhub_base[MES_MAX_HWIP_SEGMENT];
		uint32_t		osssys_base[MES_MAX_HWIP_SEGMENT];
		struct MES_API_STATUS	api_status;
		union {
			struct {
				uint32_t disable_reset	: 1;
				uint32_t use_different_vmid_compute : 1;
				uint32_t disable_mes_log   : 1;
				uint32_t apply_mmhub_pgvm_invalidate_ack_loss_wa : 1;
				uint32_t apply_grbm_remote_register_dummy_read_wa : 1;
				uint32_t second_gfx_pipe_enabled : 1;
				uint32_t enable_level_process_quantum_check : 1;
				uint32_t reserved	: 25;
			};
			uint32_t	uint32_t_all;
		};
		uint32_t	oversubscription_timer;
		uint64_t        doorbell_info;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__ADD_QUEUE {
	struct {
		union MES_API_HEADER		header;
		uint32_t			process_id;
		uint64_t			page_table_base_addr;
		uint64_t			process_va_start;
		uint64_t			process_va_end;
		uint64_t			process_quantum;
		uint64_t			process_context_addr;
		uint64_t			gang_quantum;
		uint64_t			gang_context_addr;
		uint32_t			inprocess_gang_priority;
		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
		uint32_t			doorbell_offset;
		uint64_t			mqd_addr;
		uint64_t			wptr_addr;
		uint64_t                        h_context;
		uint64_t                        h_queue;
		enum MES_QUEUE_TYPE		queue_type;
		uint32_t			gds_base;
		uint32_t			gds_size;
		uint32_t			gws_base;
		uint32_t			gws_size;
		uint32_t			oa_mask;
		uint64_t                        trap_handler_addr;
		uint32_t                        vm_context_cntl;

		struct {
			uint32_t paging			: 1;
			uint32_t debug_vmid		: 4;
			uint32_t program_gds		: 1;
			uint32_t is_gang_suspended	: 1;
			uint32_t is_tmz_queue		: 1;
			uint32_t map_kiq_utility_queue  : 1;
			uint32_t is_kfd_process		: 1;
			uint32_t trap_en		: 1;
			uint32_t is_aql_queue		: 1;
			uint32_t reserved		: 20;
		};
		struct MES_API_STATUS		api_status;
		uint64_t                        tma_addr;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__REMOVE_QUEUE {
	struct {
		union MES_API_HEADER	header;
		uint32_t		doorbell_offset;
		uint64_t		gang_context_addr;

		struct {
			uint32_t unmap_legacy_gfx_queue   : 1;
			uint32_t unmap_kiq_utility_queue  : 1;
			uint32_t preempt_legacy_gfx_queue : 1;
			uint32_t unmap_legacy_queue       : 1;
			uint32_t reserved                 : 28;
		};
		struct MES_API_STATUS	    api_status;

		uint32_t                    pipe_id;
		uint32_t                    queue_id;

		uint64_t                    tf_addr;
		uint32_t                    tf_data;

		enum MES_QUEUE_TYPE         queue_type;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__SET_SCHEDULING_CONFIG {
	struct {
		union MES_API_HEADER	header;
		/* Grace period when preempting another priority band for this
		 * priority band. The value for idle priority band is ignored,
		 * as it never preempts other bands.
		 */
		uint64_t		grace_period_other_levels[AMD_PRIORITY_NUM_LEVELS];
		/* Default quantum for scheduling across processes within
		 * a priority band.
		 */
		uint64_t		process_quantum_for_level[AMD_PRIORITY_NUM_LEVELS];
		/* Default grace period for processes that preempt each other
		 * within a priority band.
		 */
		uint64_t		process_grace_period_same_level[AMD_PRIORITY_NUM_LEVELS];
		/* For normal level this field specifies the target GPU
		 * percentage in situations when it's starved by the high level.
		 * Valid values are between 0 and 50, with the default being 10.
		 */
		uint32_t		normal_yield_percent;
		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__PERFORM_YIELD {
	struct {
		union MES_API_HEADER	header;
		uint32_t		dummy;
		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__CHANGE_GANG_PRIORITY_LEVEL {
	struct {
		union MES_API_HEADER		header;
		uint32_t			inprocess_gang_priority;
		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
		uint64_t			gang_quantum;
		uint64_t			gang_context_addr;
		struct MES_API_STATUS		api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__SUSPEND {
	struct {
		union MES_API_HEADER	header;
		/* false - suspend all gangs; true - specific gang */
		struct {
			uint32_t suspend_all_gangs	: 1;
			uint32_t reserved		: 31;
		};
		/* gang_context_addr is valid only if suspend_all = false */
		uint64_t		gang_context_addr;

		uint64_t		suspend_fence_addr;
		uint32_t		suspend_fence_value;

		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__RESUME {
	struct {
		union MES_API_HEADER	header;
		/* false - resume all gangs; true - specified gang */
		struct {
			uint32_t resume_all_gangs	: 1;
			uint32_t reserved		: 31;
		};
		/* valid only if resume_all_gangs = false */
		uint64_t		gang_context_addr;

		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__RESET {
	struct {
		union MES_API_HEADER		header;

		struct {
			/* Only reset the queue given by doorbell_offset (not entire gang) */
			uint32_t                reset_queue_only : 1;
			/* Hang detection first then reset any queues that are hung */
			uint32_t                hang_detect_then_reset : 1;
			/* Only do hang detection (no reset) */
			uint32_t                hang_detect_only : 1;
			/* Rest HP and LP kernel queues not managed by MES */
			uint32_t                reset_legacy_gfx : 1;
			uint32_t                reserved : 28;
		};

		uint64_t			gang_context_addr;

		/* valid only if reset_queue_only = true */
		uint32_t			doorbell_offset;

		/* valid only if hang_detect_then_reset = true */
		uint64_t			doorbell_offset_addr;
		enum MES_QUEUE_TYPE		queue_type;

		/* valid only if reset_legacy_gfx = true */
		uint32_t			pipe_id_lp;
		uint32_t			queue_id_lp;
		uint32_t			vmid_id_lp;
		uint64_t			mqd_mc_addr_lp;
		uint32_t			doorbell_offset_lp;
		uint64_t			wptr_addr_lp;

		uint32_t			pipe_id_hp;
		uint32_t			queue_id_hp;
		uint32_t			vmid_id_hp;
		uint64_t			mqd_mc_addr_hp;
		uint32_t			doorbell_offset_hp;
		uint64_t			wptr_addr_hp;

		struct MES_API_STATUS		api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__SET_LOGGING_BUFFER {
	struct {
		union MES_API_HEADER	header;
		/* There are separate log buffers for each queue type */
		enum MES_QUEUE_TYPE	log_type;
		/* Log buffer GPU Address */
		uint64_t		logging_buffer_addr;
		/* number of entries in the log buffer */
		uint32_t		number_of_entries;
		/* Entry index at which CPU interrupt needs to be signalled */
		uint32_t		interrupt_entry;

		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__QUERY_MES_STATUS {
	struct {
		union MES_API_HEADER	header;
		bool			mes_healthy; /* 0 - not healthy, 1 - healthy */
		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__PROGRAM_GDS {
	struct {
		union MES_API_HEADER	header;
		uint64_t		process_context_addr;
		uint32_t		gds_base;
		uint32_t		gds_size;
		uint32_t		gws_base;
		uint32_t		gws_size;
		uint32_t		oa_mask;
		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__SET_DEBUG_VMID {
	struct {
		union MES_API_HEADER	header;
		struct MES_API_STATUS	api_status;
		union {
			struct {
				uint32_t use_gds	: 1;
				uint32_t operation      : 2;
				uint32_t reserved       : 29;
			} flags;
			uint32_t	u32All;
		};
		uint32_t		reserved;
		uint32_t		debug_vmid;
		uint64_t		process_context_addr;
		uint64_t		page_table_base_addr;
		uint64_t		process_va_start;
		uint64_t		process_va_end;
		uint32_t		gds_base;
		uint32_t		gds_size;
		uint32_t		gws_base;
		uint32_t		gws_size;
		uint32_t		oa_mask;

		/* output addr of the acquired vmid value */
		uint64_t                output_addr;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

enum MESAPI_MISC_OPCODE {
	MESAPI_MISC__WRITE_REG,
	MESAPI_MISC__INV_GART,
	MESAPI_MISC__QUERY_STATUS,
	MESAPI_MISC__READ_REG,
	MESAPI_MISC__WAIT_REG_MEM,
	MESAPI_MISC__MAX,
};

enum { MISC_DATA_MAX_SIZE_IN_DWORDS = 20 };

struct WRITE_REG {
	uint32_t                  reg_offset;
	uint32_t                  reg_value;
};

struct READ_REG {
	uint32_t                  reg_offset;
	uint64_t                  buffer_addr;
};

enum WRM_OPERATION {
	WRM_OPERATION__WAIT_REG_MEM,
	WRM_OPERATION__WR_WAIT_WR_REG,
	WRM_OPERATION__MAX,
};

struct WAIT_REG_MEM {
	enum WRM_OPERATION         op;
	uint32_t                   reference;
	uint32_t                   mask;
	uint32_t                   reg_offset1;
	uint32_t                   reg_offset2;
};

struct INV_GART {
	uint64_t                  inv_range_va_start;
	uint64_t                  inv_range_size;
};

struct QUERY_STATUS {
	uint32_t context_id;
};

union MESAPI__MISC {
	struct {
		union MES_API_HEADER	header;
		enum MESAPI_MISC_OPCODE	opcode;
		struct MES_API_STATUS	api_status;

		union {
			struct		WRITE_REG write_reg;
			struct		INV_GART inv_gart;
			struct		QUERY_STATUS query_status;
			struct		READ_REG read_reg;
			struct          WAIT_REG_MEM wait_reg_mem;
			uint32_t	data[MISC_DATA_MAX_SIZE_IN_DWORDS];
		};
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__UPDATE_ROOT_PAGE_TABLE {
	struct {
		union MES_API_HEADER        header;
		uint64_t                    page_table_base_addr;
		uint64_t                    process_context_addr;
		struct MES_API_STATUS       api_status;
	};

	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI_AMD_LOG {
	struct {
		union MES_API_HEADER        header;
		uint64_t                    p_buffer_memory;
		uint64_t                    p_buffer_size_used;
		struct MES_API_STATUS       api_status;
	};

	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

#pragma pack(pop)
#endif