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v5.9
  1/*
  2 * Copyright 2014 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 */
 22
 23/*
 24 * This file defines the private interface between the
 25 * AMD kernel graphics drivers and the AMD KFD.
 26 */
 27
 28#ifndef KGD_KFD_INTERFACE_H_INCLUDED
 29#define KGD_KFD_INTERFACE_H_INCLUDED
 30
 31#include <linux/types.h>
 32#include <linux/bitmap.h>
 33#include <linux/dma-fence.h>
 
 
 34
 35struct pci_dev;
 36
 37#define KGD_MAX_QUEUES 128
 38
 39struct kfd_dev;
 40struct kgd_dev;
 41
 42struct kgd_mem;
 43
 44enum kfd_preempt_type {
 45	KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN = 0,
 46	KFD_PREEMPT_TYPE_WAVEFRONT_RESET,
 
 47};
 48
 49struct kfd_vm_fault_info {
 50	uint64_t	page_addr;
 51	uint32_t	vmid;
 52	uint32_t	mc_id;
 53	uint32_t	status;
 54	bool		prot_valid;
 55	bool		prot_read;
 56	bool		prot_write;
 57	bool		prot_exec;
 58};
 59
 60struct kfd_cu_info {
 61	uint32_t num_shader_engines;
 62	uint32_t num_shader_arrays_per_engine;
 63	uint32_t num_cu_per_sh;
 64	uint32_t cu_active_number;
 65	uint32_t cu_ao_mask;
 66	uint32_t simd_per_cu;
 67	uint32_t max_waves_per_simd;
 68	uint32_t wave_front_size;
 69	uint32_t max_scratch_slots_per_cu;
 70	uint32_t lds_size;
 71	uint32_t cu_bitmap[4][4];
 72};
 73
 74/* For getting GPU local memory information from KGD */
 75struct kfd_local_mem_info {
 76	uint64_t local_mem_size_private;
 77	uint64_t local_mem_size_public;
 78	uint32_t vram_width;
 79	uint32_t mem_clk_max;
 80};
 81
 82enum kgd_memory_pool {
 83	KGD_POOL_SYSTEM_CACHEABLE = 1,
 84	KGD_POOL_SYSTEM_WRITECOMBINE = 2,
 85	KGD_POOL_FRAMEBUFFER = 3,
 86};
 87
 
 
 
 
 
 88/**
 89 * enum kfd_sched_policy
 90 *
 91 * @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp)
 92 * scheduling. In this scheduling mode we're using the firmware code to
 93 * schedule the user mode queues and kernel queues such as HIQ and DIQ.
 94 * the HIQ queue is used as a special queue that dispatches the configuration
 95 * to the cp and the user mode queues list that are currently running.
 96 * the DIQ queue is a debugging queue that dispatches debugging commands to the
 97 * firmware.
 98 * in this scheduling mode user mode queues over subscription feature is
 99 * enabled.
100 *
101 * @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over
102 * subscription feature disabled.
103 *
104 * @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly
105 * set the command processor registers and sets the queues "manually". This
106 * mode is used *ONLY* for debugging proposes.
107 *
108 */
109enum kfd_sched_policy {
110	KFD_SCHED_POLICY_HWS = 0,
111	KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION,
112	KFD_SCHED_POLICY_NO_HWS
113};
114
115struct kgd2kfd_shared_resources {
116	/* Bit n == 1 means VMID n is available for KFD. */
117	unsigned int compute_vmid_bitmap;
118
119	/* number of pipes per mec */
120	uint32_t num_pipe_per_mec;
121
122	/* number of queues per pipe */
123	uint32_t num_queue_per_pipe;
124
125	/* Bit n == 1 means Queue n is available for KFD */
126	DECLARE_BITMAP(cp_queue_bitmap, KGD_MAX_QUEUES);
127
128	/* SDMA doorbell assignments (SOC15 and later chips only). Only
129	 * specific doorbells are routed to each SDMA engine. Others
130	 * are routed to IH and VCN. They are not usable by the CP.
131	 */
132	uint32_t *sdma_doorbell_idx;
133
134	/* From SOC15 onward, the doorbell index range not usable for CP
135	 * queues.
136	 */
137	uint32_t non_cp_doorbells_start;
138	uint32_t non_cp_doorbells_end;
139
140	/* Base address of doorbell aperture. */
141	phys_addr_t doorbell_physical_address;
142
143	/* Size in bytes of doorbell aperture. */
144	size_t doorbell_aperture_size;
145
146	/* Number of bytes at start of aperture reserved for KGD. */
147	size_t doorbell_start_offset;
148
149	/* GPUVM address space size in bytes */
150	uint64_t gpuvm_size;
151
152	/* Minor device number of the render node */
153	int drm_render_minor;
154
 
155};
156
157struct tile_config {
158	uint32_t *tile_config_ptr;
159	uint32_t *macro_tile_config_ptr;
160	uint32_t num_tile_configs;
161	uint32_t num_macro_tile_configs;
162
163	uint32_t gb_addr_config;
164	uint32_t num_banks;
165	uint32_t num_ranks;
166};
167
168#define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096
169
170/**
171 * struct kfd2kgd_calls
172 *
173 * @program_sh_mem_settings: A function that should initiate the memory
174 * properties such as main aperture memory type (cache / non cached) and
175 * secondary aperture base address, size and memory type.
176 * This function is used only for no cp scheduling mode.
177 *
178 * @set_pasid_vmid_mapping: Exposes pasid/vmid pair to the H/W for no cp
179 * scheduling mode. Only used for no cp scheduling mode.
180 *
181 * @hqd_load: Loads the mqd structure to a H/W hqd slot. used only for no cp
182 * sceduling mode.
183 *
184 * @hqd_sdma_load: Loads the SDMA mqd structure to a H/W SDMA hqd slot.
185 * used only for no HWS mode.
186 *
187 * @hqd_dump: Dumps CPC HQD registers to an array of address-value pairs.
188 * Array is allocated with kmalloc, needs to be freed with kfree by caller.
189 *
190 * @hqd_sdma_dump: Dumps SDMA HQD registers to an array of address-value pairs.
191 * Array is allocated with kmalloc, needs to be freed with kfree by caller.
192 *
193 * @hqd_is_occupies: Checks if a hqd slot is occupied.
194 *
195 * @hqd_destroy: Destructs and preempts the queue assigned to that hqd slot.
196 *
197 * @hqd_sdma_is_occupied: Checks if an SDMA hqd slot is occupied.
198 *
199 * @hqd_sdma_destroy: Destructs and preempts the SDMA queue assigned to that
200 * SDMA hqd slot.
201 *
202 * @set_scratch_backing_va: Sets VA for scratch backing memory of a VMID.
203 * Only used for no cp scheduling mode
204 *
205 * @set_vm_context_page_table_base: Program page table base for a VMID
206 *
207 * @invalidate_tlbs: Invalidate TLBs for a specific PASID
208 *
209 * @invalidate_tlbs_vmid: Invalidate TLBs for a specific VMID
210 *
211 * @read_vmid_from_vmfault_reg: On Hawaii the VMID is not set in the
212 * IH ring entry. This function allows the KFD ISR to get the VMID
213 * from the fault status register as early as possible.
214 *
215 * @get_hive_id: Returns hive id of current  device,  0 if xgmi is not enabled
 
 
 
 
 
 
 
216 *
217 * @get_unique_id: Returns uuid id of current  device
218 * 
219 * This structure contains function pointers to services that the kgd driver
220 * provides to amdkfd driver.
221 *
222 */
223struct kfd2kgd_calls {
224	/* Register access functions */
225	void (*program_sh_mem_settings)(struct kgd_dev *kgd, uint32_t vmid,
226			uint32_t sh_mem_config,	uint32_t sh_mem_ape1_base,
227			uint32_t sh_mem_ape1_limit, uint32_t sh_mem_bases);
 
228
229	int (*set_pasid_vmid_mapping)(struct kgd_dev *kgd, unsigned int pasid,
230					unsigned int vmid);
231
232	int (*init_interrupts)(struct kgd_dev *kgd, uint32_t pipe_id);
 
233
234	int (*hqd_load)(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
235			uint32_t queue_id, uint32_t __user *wptr,
236			uint32_t wptr_shift, uint32_t wptr_mask,
237			struct mm_struct *mm);
238
239	int (*hiq_mqd_load)(struct kgd_dev *kgd, void *mqd,
240			    uint32_t pipe_id, uint32_t queue_id,
241			    uint32_t doorbell_off);
242
243	int (*hqd_sdma_load)(struct kgd_dev *kgd, void *mqd,
244			     uint32_t __user *wptr, struct mm_struct *mm);
245
246	int (*hqd_dump)(struct kgd_dev *kgd,
247			uint32_t pipe_id, uint32_t queue_id,
248			uint32_t (**dump)[2], uint32_t *n_regs);
249
250	int (*hqd_sdma_dump)(struct kgd_dev *kgd,
251			     uint32_t engine_id, uint32_t queue_id,
252			     uint32_t (**dump)[2], uint32_t *n_regs);
253
254	bool (*hqd_is_occupied)(struct kgd_dev *kgd, uint64_t queue_address,
255				uint32_t pipe_id, uint32_t queue_id);
 
256
257	int (*hqd_destroy)(struct kgd_dev *kgd, void *mqd, uint32_t reset_type,
 
258				unsigned int timeout, uint32_t pipe_id,
259				uint32_t queue_id);
260
261	bool (*hqd_sdma_is_occupied)(struct kgd_dev *kgd, void *mqd);
262
263	int (*hqd_sdma_destroy)(struct kgd_dev *kgd, void *mqd,
264				unsigned int timeout);
265
266	int (*address_watch_disable)(struct kgd_dev *kgd);
267	int (*address_watch_execute)(struct kgd_dev *kgd,
268					unsigned int watch_point_id,
269					uint32_t cntl_val,
270					uint32_t addr_hi,
271					uint32_t addr_lo);
272	int (*wave_control_execute)(struct kgd_dev *kgd,
273					uint32_t gfx_index_val,
274					uint32_t sq_cmd);
275	uint32_t (*address_watch_get_offset)(struct kgd_dev *kgd,
276					unsigned int watch_point_id,
277					unsigned int reg_offset);
278	bool (*get_atc_vmid_pasid_mapping_info)(
279					struct kgd_dev *kgd,
280					uint8_t vmid,
281					uint16_t *p_pasid);
282
283	/* No longer needed from GFXv9 onward. The scratch base address is
284	 * passed to the shader by the CP. It's the user mode driver's
285	 * responsibility.
286	 */
287	void (*set_scratch_backing_va)(struct kgd_dev *kgd,
288				uint64_t va, uint32_t vmid);
289
290	void (*set_vm_context_page_table_base)(struct kgd_dev *kgd,
291			uint32_t vmid, uint64_t page_table_base);
292	uint32_t (*read_vmid_from_vmfault_reg)(struct kgd_dev *kgd);
293	uint64_t (*get_hive_id)(struct kgd_dev *kgd);
294	uint64_t (*get_unique_id)(struct kgd_dev *kgd);
295
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
296};
297
298#endif	/* KGD_KFD_INTERFACE_H_INCLUDED */
v6.13.7
  1/*
  2 * Copyright 2014 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 */
 22
 23/*
 24 * This file defines the private interface between the
 25 * AMD kernel graphics drivers and the AMD KFD.
 26 */
 27
 28#ifndef KGD_KFD_INTERFACE_H_INCLUDED
 29#define KGD_KFD_INTERFACE_H_INCLUDED
 30
 31#include <linux/types.h>
 32#include <linux/bitmap.h>
 33#include <linux/dma-fence.h>
 34#include "amdgpu_irq.h"
 35#include "amdgpu_gfx.h"
 36
 37struct pci_dev;
 38struct amdgpu_device;
 
 39
 40struct kfd_dev;
 
 
 41struct kgd_mem;
 42
 43enum kfd_preempt_type {
 44	KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN = 0,
 45	KFD_PREEMPT_TYPE_WAVEFRONT_RESET,
 46	KFD_PREEMPT_TYPE_WAVEFRONT_SAVE
 47};
 48
 49struct kfd_vm_fault_info {
 50	uint64_t	page_addr;
 51	uint32_t	vmid;
 52	uint32_t	mc_id;
 53	uint32_t	status;
 54	bool		prot_valid;
 55	bool		prot_read;
 56	bool		prot_write;
 57	bool		prot_exec;
 58};
 59
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 60/* For getting GPU local memory information from KGD */
 61struct kfd_local_mem_info {
 62	uint64_t local_mem_size_private;
 63	uint64_t local_mem_size_public;
 64	uint32_t vram_width;
 65	uint32_t mem_clk_max;
 66};
 67
 68enum kgd_memory_pool {
 69	KGD_POOL_SYSTEM_CACHEABLE = 1,
 70	KGD_POOL_SYSTEM_WRITECOMBINE = 2,
 71	KGD_POOL_FRAMEBUFFER = 3,
 72};
 73
 74struct kfd_cu_occupancy {
 75	u32 wave_cnt;
 76	u32 doorbell_off;
 77};
 78
 79/**
 80 * enum kfd_sched_policy
 81 *
 82 * @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp)
 83 * scheduling. In this scheduling mode we're using the firmware code to
 84 * schedule the user mode queues and kernel queues such as HIQ and DIQ.
 85 * the HIQ queue is used as a special queue that dispatches the configuration
 86 * to the cp and the user mode queues list that are currently running.
 87 * the DIQ queue is a debugging queue that dispatches debugging commands to the
 88 * firmware.
 89 * in this scheduling mode user mode queues over subscription feature is
 90 * enabled.
 91 *
 92 * @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over
 93 * subscription feature disabled.
 94 *
 95 * @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly
 96 * set the command processor registers and sets the queues "manually". This
 97 * mode is used *ONLY* for debugging proposes.
 98 *
 99 */
100enum kfd_sched_policy {
101	KFD_SCHED_POLICY_HWS = 0,
102	KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION,
103	KFD_SCHED_POLICY_NO_HWS
104};
105
106struct kgd2kfd_shared_resources {
107	/* Bit n == 1 means VMID n is available for KFD. */
108	unsigned int compute_vmid_bitmap;
109
110	/* number of pipes per mec */
111	uint32_t num_pipe_per_mec;
112
113	/* number of queues per pipe */
114	uint32_t num_queue_per_pipe;
115
116	/* Bit n == 1 means Queue n is available for KFD */
117	DECLARE_BITMAP(cp_queue_bitmap, AMDGPU_MAX_QUEUES);
118
119	/* SDMA doorbell assignments (SOC15 and later chips only). Only
120	 * specific doorbells are routed to each SDMA engine. Others
121	 * are routed to IH and VCN. They are not usable by the CP.
122	 */
123	uint32_t *sdma_doorbell_idx;
124
125	/* From SOC15 onward, the doorbell index range not usable for CP
126	 * queues.
127	 */
128	uint32_t non_cp_doorbells_start;
129	uint32_t non_cp_doorbells_end;
130
131	/* Base address of doorbell aperture. */
132	phys_addr_t doorbell_physical_address;
133
134	/* Size in bytes of doorbell aperture. */
135	size_t doorbell_aperture_size;
136
137	/* Number of bytes at start of aperture reserved for KGD. */
138	size_t doorbell_start_offset;
139
140	/* GPUVM address space size in bytes */
141	uint64_t gpuvm_size;
142
143	/* Minor device number of the render node */
144	int drm_render_minor;
145
146	bool enable_mes;
147};
148
149struct tile_config {
150	uint32_t *tile_config_ptr;
151	uint32_t *macro_tile_config_ptr;
152	uint32_t num_tile_configs;
153	uint32_t num_macro_tile_configs;
154
155	uint32_t gb_addr_config;
156	uint32_t num_banks;
157	uint32_t num_ranks;
158};
159
160#define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT 4096
161
162/**
163 * struct kfd2kgd_calls
164 *
165 * @program_sh_mem_settings: A function that should initiate the memory
166 * properties such as main aperture memory type (cache / non cached) and
167 * secondary aperture base address, size and memory type.
168 * This function is used only for no cp scheduling mode.
169 *
170 * @set_pasid_vmid_mapping: Exposes pasid/vmid pair to the H/W for no cp
171 * scheduling mode. Only used for no cp scheduling mode.
172 *
173 * @hqd_load: Loads the mqd structure to a H/W hqd slot. used only for no cp
174 * sceduling mode.
175 *
176 * @hqd_sdma_load: Loads the SDMA mqd structure to a H/W SDMA hqd slot.
177 * used only for no HWS mode.
178 *
179 * @hqd_dump: Dumps CPC HQD registers to an array of address-value pairs.
180 * Array is allocated with kmalloc, needs to be freed with kfree by caller.
181 *
182 * @hqd_sdma_dump: Dumps SDMA HQD registers to an array of address-value pairs.
183 * Array is allocated with kmalloc, needs to be freed with kfree by caller.
184 *
185 * @hqd_is_occupies: Checks if a hqd slot is occupied.
186 *
187 * @hqd_destroy: Destructs and preempts the queue assigned to that hqd slot.
188 *
189 * @hqd_sdma_is_occupied: Checks if an SDMA hqd slot is occupied.
190 *
191 * @hqd_sdma_destroy: Destructs and preempts the SDMA queue assigned to that
192 * SDMA hqd slot.
193 *
194 * @set_scratch_backing_va: Sets VA for scratch backing memory of a VMID.
195 * Only used for no cp scheduling mode
196 *
197 * @set_vm_context_page_table_base: Program page table base for a VMID
198 *
199 * @invalidate_tlbs: Invalidate TLBs for a specific PASID
200 *
201 * @invalidate_tlbs_vmid: Invalidate TLBs for a specific VMID
202 *
203 * @read_vmid_from_vmfault_reg: On Hawaii the VMID is not set in the
204 * IH ring entry. This function allows the KFD ISR to get the VMID
205 * from the fault status register as early as possible.
206 *
207 * @get_cu_occupancy: Function pointer that returns to caller the number
208 * of wave fronts that are in flight for all of the queues of a process
209 * as identified by its pasid. It is important to note that the value
210 * returned by this function is a snapshot of current moment and cannot
211 * guarantee any minimum for the number of waves in-flight. This function
212 * is defined for devices that belong to GFX9 and later GFX families. Care
213 * must be taken in calling this function as it is not defined for devices
214 * that belong to GFX8 and below GFX families.
215 *
 
 
216 * This structure contains function pointers to services that the kgd driver
217 * provides to amdkfd driver.
218 *
219 */
220struct kfd2kgd_calls {
221	/* Register access functions */
222	void (*program_sh_mem_settings)(struct amdgpu_device *adev, uint32_t vmid,
223			uint32_t sh_mem_config,	uint32_t sh_mem_ape1_base,
224			uint32_t sh_mem_ape1_limit, uint32_t sh_mem_bases,
225			uint32_t inst);
226
227	int (*set_pasid_vmid_mapping)(struct amdgpu_device *adev, u32 pasid,
228					unsigned int vmid, uint32_t inst);
229
230	int (*init_interrupts)(struct amdgpu_device *adev, uint32_t pipe_id,
231			uint32_t inst);
232
233	int (*hqd_load)(struct amdgpu_device *adev, void *mqd, uint32_t pipe_id,
234			uint32_t queue_id, uint32_t __user *wptr,
235			uint32_t wptr_shift, uint32_t wptr_mask,
236			struct mm_struct *mm, uint32_t inst);
237
238	int (*hiq_mqd_load)(struct amdgpu_device *adev, void *mqd,
239			    uint32_t pipe_id, uint32_t queue_id,
240			    uint32_t doorbell_off, uint32_t inst);
241
242	int (*hqd_sdma_load)(struct amdgpu_device *adev, void *mqd,
243			     uint32_t __user *wptr, struct mm_struct *mm);
244
245	int (*hqd_dump)(struct amdgpu_device *adev,
246			uint32_t pipe_id, uint32_t queue_id,
247			uint32_t (**dump)[2], uint32_t *n_regs, uint32_t inst);
248
249	int (*hqd_sdma_dump)(struct amdgpu_device *adev,
250			     uint32_t engine_id, uint32_t queue_id,
251			     uint32_t (**dump)[2], uint32_t *n_regs);
252
253	bool (*hqd_is_occupied)(struct amdgpu_device *adev,
254				uint64_t queue_address, uint32_t pipe_id,
255				uint32_t queue_id, uint32_t inst);
256
257	int (*hqd_destroy)(struct amdgpu_device *adev, void *mqd,
258				enum kfd_preempt_type reset_type,
259				unsigned int timeout, uint32_t pipe_id,
260				uint32_t queue_id, uint32_t inst);
261
262	bool (*hqd_sdma_is_occupied)(struct amdgpu_device *adev, void *mqd);
263
264	int (*hqd_sdma_destroy)(struct amdgpu_device *adev, void *mqd,
265				unsigned int timeout);
266
267	int (*wave_control_execute)(struct amdgpu_device *adev,
 
 
 
 
 
 
268					uint32_t gfx_index_val,
269					uint32_t sq_cmd, uint32_t inst);
270	bool (*get_atc_vmid_pasid_mapping_info)(struct amdgpu_device *adev,
 
 
 
 
271					uint8_t vmid,
272					uint16_t *p_pasid);
273
274	/* No longer needed from GFXv9 onward. The scratch base address is
275	 * passed to the shader by the CP. It's the user mode driver's
276	 * responsibility.
277	 */
278	void (*set_scratch_backing_va)(struct amdgpu_device *adev,
279				uint64_t va, uint32_t vmid);
280
281	void (*set_vm_context_page_table_base)(struct amdgpu_device *adev,
282			uint32_t vmid, uint64_t page_table_base);
283	uint32_t (*read_vmid_from_vmfault_reg)(struct amdgpu_device *adev);
 
 
284
285	uint32_t (*enable_debug_trap)(struct amdgpu_device *adev,
286					bool restore_dbg_registers,
287					uint32_t vmid);
288	uint32_t (*disable_debug_trap)(struct amdgpu_device *adev,
289					bool keep_trap_enabled,
290					uint32_t vmid);
291	int (*validate_trap_override_request)(struct amdgpu_device *adev,
292					uint32_t trap_override,
293					uint32_t *trap_mask_supported);
294	uint32_t (*set_wave_launch_trap_override)(struct amdgpu_device *adev,
295					     uint32_t vmid,
296					     uint32_t trap_override,
297					     uint32_t trap_mask_bits,
298					     uint32_t trap_mask_request,
299					     uint32_t *trap_mask_prev,
300					     uint32_t kfd_dbg_trap_cntl_prev);
301	uint32_t (*set_wave_launch_mode)(struct amdgpu_device *adev,
302					uint8_t wave_launch_mode,
303					uint32_t vmid);
304	uint32_t (*set_address_watch)(struct amdgpu_device *adev,
305					uint64_t watch_address,
306					uint32_t watch_address_mask,
307					uint32_t watch_id,
308					uint32_t watch_mode,
309					uint32_t debug_vmid,
310					uint32_t inst);
311	uint32_t (*clear_address_watch)(struct amdgpu_device *adev,
312			uint32_t watch_id);
313	void (*get_iq_wait_times)(struct amdgpu_device *adev,
314			uint32_t *wait_times,
315			uint32_t inst);
316	void (*build_grace_period_packet_info)(struct amdgpu_device *adev,
317			uint32_t wait_times,
318			uint32_t grace_period,
319			uint32_t *reg_offset,
320			uint32_t *reg_data);
321	void (*get_cu_occupancy)(struct amdgpu_device *adev,
322				 struct kfd_cu_occupancy *cu_occupancy,
323				 int *max_waves_per_cu, uint32_t inst);
324	void (*program_trap_handler_settings)(struct amdgpu_device *adev,
325			uint32_t vmid, uint64_t tba_addr, uint64_t tma_addr,
326			uint32_t inst);
327	uint64_t (*hqd_get_pq_addr)(struct amdgpu_device *adev,
328				    uint32_t pipe_id, uint32_t queue_id,
329				    uint32_t inst);
330	uint64_t (*hqd_reset)(struct amdgpu_device *adev,
331			      uint32_t pipe_id, uint32_t queue_id,
332			      uint32_t inst, unsigned int utimeout);
333};
334
335#endif	/* KGD_KFD_INTERFACE_H_INCLUDED */