1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /*
3  * Copyright 2016-2022 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  */
24 
25 #include <linux/printk.h>
26 #include <linux/slab.h>
27 #include <linux/uaccess.h>
28 #include "kfd_priv.h"
29 #include "kfd_mqd_manager.h"
30 #include "v9_structs.h"
31 #include "gc/gc_9_0_offset.h"
32 #include "gc/gc_9_0_sh_mask.h"
33 #include "sdma0/sdma0_4_0_sh_mask.h"
34 #include "amdgpu_amdkfd.h"
35 
36 static inline struct v9_mqd *get_mqd(void *mqd)
37 {
38 	return (struct v9_mqd *)mqd;
39 }
40 
41 static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd)
42 {
43 	return (struct v9_sdma_mqd *)mqd;
44 }
45 
46 static void update_cu_mask(struct mqd_manager *mm, void *mqd,
47 			struct mqd_update_info *minfo)
48 {
49 	struct v9_mqd *m;
50 	uint32_t se_mask[KFD_MAX_NUM_SE] = {0};
51 
52 	if (!minfo || (minfo->update_flag != UPDATE_FLAG_CU_MASK) ||
53 	    !minfo->cu_mask.ptr)
54 		return;
55 
56 	mqd_symmetrically_map_cu_mask(mm,
57 		minfo->cu_mask.ptr, minfo->cu_mask.count, se_mask);
58 
59 	m = get_mqd(mqd);
60 	m->compute_static_thread_mgmt_se0 = se_mask[0];
61 	m->compute_static_thread_mgmt_se1 = se_mask[1];
62 	m->compute_static_thread_mgmt_se2 = se_mask[2];
63 	m->compute_static_thread_mgmt_se3 = se_mask[3];
64 	m->compute_static_thread_mgmt_se4 = se_mask[4];
65 	m->compute_static_thread_mgmt_se5 = se_mask[5];
66 	m->compute_static_thread_mgmt_se6 = se_mask[6];
67 	m->compute_static_thread_mgmt_se7 = se_mask[7];
68 
69 	pr_debug("update cu mask to %#x %#x %#x %#x %#x %#x %#x %#x\n",
70 		m->compute_static_thread_mgmt_se0,
71 		m->compute_static_thread_mgmt_se1,
72 		m->compute_static_thread_mgmt_se2,
73 		m->compute_static_thread_mgmt_se3,
74 		m->compute_static_thread_mgmt_se4,
75 		m->compute_static_thread_mgmt_se5,
76 		m->compute_static_thread_mgmt_se6,
77 		m->compute_static_thread_mgmt_se7);
78 }
79 
80 static void set_priority(struct v9_mqd *m, struct queue_properties *q)
81 {
82 	m->cp_hqd_pipe_priority = pipe_priority_map[q->priority];
83 	m->cp_hqd_queue_priority = q->priority;
84 }
85 
86 static struct kfd_mem_obj *allocate_mqd(struct kfd_dev *kfd,
87 		struct queue_properties *q)
88 {
89 	int retval;
90 	struct kfd_mem_obj *mqd_mem_obj = NULL;
91 
92 	/* For V9 only, due to a HW bug, the control stack of a user mode
93 	 * compute queue needs to be allocated just behind the page boundary
94 	 * of its regular MQD buffer. So we allocate an enlarged MQD buffer:
95 	 * the first page of the buffer serves as the regular MQD buffer
96 	 * purpose and the remaining is for control stack. Although the two
97 	 * parts are in the same buffer object, they need different memory
98 	 * types: MQD part needs UC (uncached) as usual, while control stack
99 	 * needs NC (non coherent), which is different from the UC type which
100 	 * is used when control stack is allocated in user space.
101 	 *
102 	 * Because of all those, we use the gtt allocation function instead
103 	 * of sub-allocation function for this enlarged MQD buffer. Moreover,
104 	 * in order to achieve two memory types in a single buffer object, we
105 	 * pass a special bo flag AMDGPU_GEM_CREATE_CP_MQD_GFX9 to instruct
106 	 * amdgpu memory functions to do so.
107 	 */
108 	if (kfd->cwsr_enabled && (q->type == KFD_QUEUE_TYPE_COMPUTE)) {
109 		mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL);
110 		if (!mqd_mem_obj)
111 			return NULL;
112 		retval = amdgpu_amdkfd_alloc_gtt_mem(kfd->adev,
113 			ALIGN(q->ctl_stack_size, PAGE_SIZE) +
114 				ALIGN(sizeof(struct v9_mqd), PAGE_SIZE),
115 			&(mqd_mem_obj->gtt_mem),
116 			&(mqd_mem_obj->gpu_addr),
117 			(void *)&(mqd_mem_obj->cpu_ptr), true);
118 	} else {
119 		retval = kfd_gtt_sa_allocate(kfd, sizeof(struct v9_mqd),
120 				&mqd_mem_obj);
121 	}
122 
123 	if (retval) {
124 		kfree(mqd_mem_obj);
125 		return NULL;
126 	}
127 
128 	return mqd_mem_obj;
129 
130 }
131 
132 static void init_mqd(struct mqd_manager *mm, void **mqd,
133 			struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
134 			struct queue_properties *q)
135 {
136 	uint64_t addr;
137 	struct v9_mqd *m;
138 
139 	m = (struct v9_mqd *) mqd_mem_obj->cpu_ptr;
140 	addr = mqd_mem_obj->gpu_addr;
141 
142 	memset(m, 0, sizeof(struct v9_mqd));
143 
144 	m->header = 0xC0310800;
145 	m->compute_pipelinestat_enable = 1;
146 	m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF;
147 	m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF;
148 	m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF;
149 	m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF;
150 	m->compute_static_thread_mgmt_se4 = 0xFFFFFFFF;
151 	m->compute_static_thread_mgmt_se5 = 0xFFFFFFFF;
152 	m->compute_static_thread_mgmt_se6 = 0xFFFFFFFF;
153 	m->compute_static_thread_mgmt_se7 = 0xFFFFFFFF;
154 
155 	m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK |
156 			0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT;
157 
158 	m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT;
159 
160 	m->cp_mqd_base_addr_lo        = lower_32_bits(addr);
161 	m->cp_mqd_base_addr_hi        = upper_32_bits(addr);
162 
163 	m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT |
164 			1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT |
165 			1 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT;
166 
167 	if (q->format == KFD_QUEUE_FORMAT_AQL) {
168 		m->cp_hqd_aql_control =
169 			1 << CP_HQD_AQL_CONTROL__CONTROL0__SHIFT;
170 	}
171 
172 	if (q->tba_addr) {
173 		m->compute_pgm_rsrc2 |=
174 			(1 << COMPUTE_PGM_RSRC2__TRAP_PRESENT__SHIFT);
175 	}
176 
177 	if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address) {
178 		m->cp_hqd_persistent_state |=
179 			(1 << CP_HQD_PERSISTENT_STATE__QSWITCH_MODE__SHIFT);
180 		m->cp_hqd_ctx_save_base_addr_lo =
181 			lower_32_bits(q->ctx_save_restore_area_address);
182 		m->cp_hqd_ctx_save_base_addr_hi =
183 			upper_32_bits(q->ctx_save_restore_area_address);
184 		m->cp_hqd_ctx_save_size = q->ctx_save_restore_area_size;
185 		m->cp_hqd_cntl_stack_size = q->ctl_stack_size;
186 		m->cp_hqd_cntl_stack_offset = q->ctl_stack_size;
187 		m->cp_hqd_wg_state_offset = q->ctl_stack_size;
188 	}
189 
190 	*mqd = m;
191 	if (gart_addr)
192 		*gart_addr = addr;
193 	mm->update_mqd(mm, m, q, NULL);
194 }
195 
196 static int load_mqd(struct mqd_manager *mm, void *mqd,
197 			uint32_t pipe_id, uint32_t queue_id,
198 			struct queue_properties *p, struct mm_struct *mms)
199 {
200 	/* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */
201 	uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0);
202 
203 	return mm->dev->kfd2kgd->hqd_load(mm->dev->adev, mqd, pipe_id, queue_id,
204 					  (uint32_t __user *)p->write_ptr,
205 					  wptr_shift, 0, mms);
206 }
207 
208 static void update_mqd(struct mqd_manager *mm, void *mqd,
209 			struct queue_properties *q,
210 			struct mqd_update_info *minfo)
211 {
212 	struct v9_mqd *m;
213 
214 	m = get_mqd(mqd);
215 
216 	m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT;
217 	m->cp_hqd_pq_control |= order_base_2(q->queue_size / 4) - 1;
218 	pr_debug("cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control);
219 
220 	m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8);
221 	m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8);
222 
223 	m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
224 	m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
225 	m->cp_hqd_pq_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr);
226 	m->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr);
227 
228 	m->cp_hqd_pq_doorbell_control =
229 		q->doorbell_off <<
230 			CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT;
231 	pr_debug("cp_hqd_pq_doorbell_control 0x%x\n",
232 			m->cp_hqd_pq_doorbell_control);
233 
234 	m->cp_hqd_ib_control =
235 		3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT |
236 		1 << CP_HQD_IB_CONTROL__IB_EXE_DISABLE__SHIFT;
237 
238 	/*
239 	 * HW does not clamp this field correctly. Maximum EOP queue size
240 	 * is constrained by per-SE EOP done signal count, which is 8-bit.
241 	 * Limit is 0xFF EOP entries (= 0x7F8 dwords). CP will not submit
242 	 * more than (EOP entry count - 1) so a queue size of 0x800 dwords
243 	 * is safe, giving a maximum field value of 0xA.
244 	 */
245 	m->cp_hqd_eop_control = min(0xA,
246 		order_base_2(q->eop_ring_buffer_size / 4) - 1);
247 	m->cp_hqd_eop_base_addr_lo =
248 			lower_32_bits(q->eop_ring_buffer_address >> 8);
249 	m->cp_hqd_eop_base_addr_hi =
250 			upper_32_bits(q->eop_ring_buffer_address >> 8);
251 
252 	m->cp_hqd_iq_timer = 0;
253 
254 	m->cp_hqd_vmid = q->vmid;
255 
256 	if (q->format == KFD_QUEUE_FORMAT_AQL) {
257 		m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK |
258 				2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT |
259 				1 << CP_HQD_PQ_CONTROL__QUEUE_FULL_EN__SHIFT |
260 				1 << CP_HQD_PQ_CONTROL__WPP_CLAMP_EN__SHIFT;
261 		m->cp_hqd_pq_doorbell_control |= 1 <<
262 			CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_BIF_DROP__SHIFT;
263 	}
264 	if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address)
265 		m->cp_hqd_ctx_save_control = 0;
266 
267 	update_cu_mask(mm, mqd, minfo);
268 	set_priority(m, q);
269 
270 	q->is_active = QUEUE_IS_ACTIVE(*q);
271 }
272 
273 
274 static uint32_t read_doorbell_id(void *mqd)
275 {
276 	struct v9_mqd *m = (struct v9_mqd *)mqd;
277 
278 	return m->queue_doorbell_id0;
279 }
280 
281 static int get_wave_state(struct mqd_manager *mm, void *mqd,
282 			  void __user *ctl_stack,
283 			  u32 *ctl_stack_used_size,
284 			  u32 *save_area_used_size)
285 {
286 	struct v9_mqd *m;
287 
288 	/* Control stack is located one page after MQD. */
289 	void *mqd_ctl_stack = (void *)((uintptr_t)mqd + PAGE_SIZE);
290 
291 	m = get_mqd(mqd);
292 
293 	*ctl_stack_used_size = m->cp_hqd_cntl_stack_size -
294 		m->cp_hqd_cntl_stack_offset;
295 	*save_area_used_size = m->cp_hqd_wg_state_offset -
296 		m->cp_hqd_cntl_stack_size;
297 
298 	if (copy_to_user(ctl_stack, mqd_ctl_stack, m->cp_hqd_cntl_stack_size))
299 		return -EFAULT;
300 
301 	return 0;
302 }
303 
304 static void get_checkpoint_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size)
305 {
306 	struct v9_mqd *m = get_mqd(mqd);
307 
308 	*ctl_stack_size = m->cp_hqd_cntl_stack_size;
309 }
310 
311 static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst)
312 {
313 	struct v9_mqd *m;
314 	/* Control stack is located one page after MQD. */
315 	void *ctl_stack = (void *)((uintptr_t)mqd + PAGE_SIZE);
316 
317 	m = get_mqd(mqd);
318 
319 	memcpy(mqd_dst, m, sizeof(struct v9_mqd));
320 	memcpy(ctl_stack_dst, ctl_stack, m->cp_hqd_cntl_stack_size);
321 }
322 
323 static void restore_mqd(struct mqd_manager *mm, void **mqd,
324 			struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
325 			struct queue_properties *qp,
326 			const void *mqd_src,
327 			const void *ctl_stack_src, u32 ctl_stack_size)
328 {
329 	uint64_t addr;
330 	struct v9_mqd *m;
331 	void *ctl_stack;
332 
333 	m = (struct v9_mqd *) mqd_mem_obj->cpu_ptr;
334 	addr = mqd_mem_obj->gpu_addr;
335 
336 	memcpy(m, mqd_src, sizeof(*m));
337 
338 	*mqd = m;
339 	if (gart_addr)
340 		*gart_addr = addr;
341 
342 	/* Control stack is located one page after MQD. */
343 	ctl_stack = (void *)((uintptr_t)*mqd + PAGE_SIZE);
344 	memcpy(ctl_stack, ctl_stack_src, ctl_stack_size);
345 
346 	m->cp_hqd_pq_doorbell_control =
347 		qp->doorbell_off <<
348 			CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT;
349 	pr_debug("cp_hqd_pq_doorbell_control 0x%x\n",
350 				m->cp_hqd_pq_doorbell_control);
351 
352 	qp->is_active = 0;
353 }
354 
355 static void init_mqd_hiq(struct mqd_manager *mm, void **mqd,
356 			struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
357 			struct queue_properties *q)
358 {
359 	struct v9_mqd *m;
360 
361 	init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q);
362 
363 	m = get_mqd(*mqd);
364 
365 	m->cp_hqd_pq_control |= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT |
366 			1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT;
367 }
368 
369 static void init_mqd_sdma(struct mqd_manager *mm, void **mqd,
370 		struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
371 		struct queue_properties *q)
372 {
373 	struct v9_sdma_mqd *m;
374 
375 	m = (struct v9_sdma_mqd *) mqd_mem_obj->cpu_ptr;
376 
377 	memset(m, 0, sizeof(struct v9_sdma_mqd));
378 
379 	*mqd = m;
380 	if (gart_addr)
381 		*gart_addr = mqd_mem_obj->gpu_addr;
382 
383 	mm->update_mqd(mm, m, q, NULL);
384 }
385 
386 #define SDMA_RLC_DUMMY_DEFAULT 0xf
387 
388 static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
389 			struct queue_properties *q,
390 			struct mqd_update_info *minfo)
391 {
392 	struct v9_sdma_mqd *m;
393 
394 	m = get_sdma_mqd(mqd);
395 	m->sdmax_rlcx_rb_cntl = order_base_2(q->queue_size / 4)
396 		<< SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
397 		q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT |
398 		1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
399 		6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT;
400 
401 	m->sdmax_rlcx_rb_base = lower_32_bits(q->queue_address >> 8);
402 	m->sdmax_rlcx_rb_base_hi = upper_32_bits(q->queue_address >> 8);
403 	m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
404 	m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
405 	m->sdmax_rlcx_doorbell_offset =
406 		q->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
407 
408 	m->sdma_engine_id = q->sdma_engine_id;
409 	m->sdma_queue_id = q->sdma_queue_id;
410 	m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT;
411 
412 	q->is_active = QUEUE_IS_ACTIVE(*q);
413 }
414 
415 static void checkpoint_mqd_sdma(struct mqd_manager *mm,
416 				void *mqd,
417 				void *mqd_dst,
418 				void *ctl_stack_dst)
419 {
420 	struct v9_sdma_mqd *m;
421 
422 	m = get_sdma_mqd(mqd);
423 
424 	memcpy(mqd_dst, m, sizeof(struct v9_sdma_mqd));
425 }
426 
427 static void restore_mqd_sdma(struct mqd_manager *mm, void **mqd,
428 			     struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
429 			     struct queue_properties *qp,
430 			     const void *mqd_src,
431 			     const void *ctl_stack_src, const u32 ctl_stack_size)
432 {
433 	uint64_t addr;
434 	struct v9_sdma_mqd *m;
435 
436 	m = (struct v9_sdma_mqd *) mqd_mem_obj->cpu_ptr;
437 	addr = mqd_mem_obj->gpu_addr;
438 
439 	memcpy(m, mqd_src, sizeof(*m));
440 
441 	m->sdmax_rlcx_doorbell_offset =
442 		qp->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
443 
444 	*mqd = m;
445 	if (gart_addr)
446 		*gart_addr = addr;
447 
448 	qp->is_active = 0;
449 }
450 
451 #if defined(CONFIG_DEBUG_FS)
452 
453 static int debugfs_show_mqd(struct seq_file *m, void *data)
454 {
455 	seq_hex_dump(m, "    ", DUMP_PREFIX_OFFSET, 32, 4,
456 		     data, sizeof(struct v9_mqd), false);
457 	return 0;
458 }
459 
460 static int debugfs_show_mqd_sdma(struct seq_file *m, void *data)
461 {
462 	seq_hex_dump(m, "    ", DUMP_PREFIX_OFFSET, 32, 4,
463 		     data, sizeof(struct v9_sdma_mqd), false);
464 	return 0;
465 }
466 
467 #endif
468 
469 struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type,
470 		struct kfd_dev *dev)
471 {
472 	struct mqd_manager *mqd;
473 
474 	if (WARN_ON(type >= KFD_MQD_TYPE_MAX))
475 		return NULL;
476 
477 	mqd = kzalloc(sizeof(*mqd), GFP_KERNEL);
478 	if (!mqd)
479 		return NULL;
480 
481 	mqd->dev = dev;
482 
483 	switch (type) {
484 	case KFD_MQD_TYPE_CP:
485 		mqd->allocate_mqd = allocate_mqd;
486 		mqd->init_mqd = init_mqd;
487 		mqd->free_mqd = kfd_free_mqd_cp;
488 		mqd->load_mqd = load_mqd;
489 		mqd->update_mqd = update_mqd;
490 		mqd->destroy_mqd = kfd_destroy_mqd_cp;
491 		mqd->is_occupied = kfd_is_occupied_cp;
492 		mqd->get_wave_state = get_wave_state;
493 		mqd->get_checkpoint_info = get_checkpoint_info;
494 		mqd->checkpoint_mqd = checkpoint_mqd;
495 		mqd->restore_mqd = restore_mqd;
496 		mqd->mqd_size = sizeof(struct v9_mqd);
497 #if defined(CONFIG_DEBUG_FS)
498 		mqd->debugfs_show_mqd = debugfs_show_mqd;
499 #endif
500 		break;
501 	case KFD_MQD_TYPE_HIQ:
502 		mqd->allocate_mqd = allocate_hiq_mqd;
503 		mqd->init_mqd = init_mqd_hiq;
504 		mqd->free_mqd = free_mqd_hiq_sdma;
505 		mqd->load_mqd = kfd_hiq_load_mqd_kiq;
506 		mqd->update_mqd = update_mqd;
507 		mqd->destroy_mqd = kfd_destroy_mqd_cp;
508 		mqd->is_occupied = kfd_is_occupied_cp;
509 		mqd->mqd_size = sizeof(struct v9_mqd);
510 #if defined(CONFIG_DEBUG_FS)
511 		mqd->debugfs_show_mqd = debugfs_show_mqd;
512 #endif
513 		mqd->read_doorbell_id = read_doorbell_id;
514 		break;
515 	case KFD_MQD_TYPE_DIQ:
516 		mqd->allocate_mqd = allocate_mqd;
517 		mqd->init_mqd = init_mqd_hiq;
518 		mqd->free_mqd = kfd_free_mqd_cp;
519 		mqd->load_mqd = load_mqd;
520 		mqd->update_mqd = update_mqd;
521 		mqd->destroy_mqd = kfd_destroy_mqd_cp;
522 		mqd->is_occupied = kfd_is_occupied_cp;
523 		mqd->mqd_size = sizeof(struct v9_mqd);
524 #if defined(CONFIG_DEBUG_FS)
525 		mqd->debugfs_show_mqd = debugfs_show_mqd;
526 #endif
527 		break;
528 	case KFD_MQD_TYPE_SDMA:
529 		mqd->allocate_mqd = allocate_sdma_mqd;
530 		mqd->init_mqd = init_mqd_sdma;
531 		mqd->free_mqd = free_mqd_hiq_sdma;
532 		mqd->load_mqd = kfd_load_mqd_sdma;
533 		mqd->update_mqd = update_mqd_sdma;
534 		mqd->destroy_mqd = kfd_destroy_mqd_sdma;
535 		mqd->is_occupied = kfd_is_occupied_sdma;
536 		mqd->checkpoint_mqd = checkpoint_mqd_sdma;
537 		mqd->restore_mqd = restore_mqd_sdma;
538 		mqd->mqd_size = sizeof(struct v9_sdma_mqd);
539 #if defined(CONFIG_DEBUG_FS)
540 		mqd->debugfs_show_mqd = debugfs_show_mqd_sdma;
541 #endif
542 		break;
543 	default:
544 		kfree(mqd);
545 		return NULL;
546 	}
547 
548 	return mqd;
549 }
550