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#include "amdgpu.h"
24#include "amdgpu_amdkfd.h"
25#include "gfx_v8_0.h"
26#include "gca/gfx_8_0_sh_mask.h"
27#include "gca/gfx_8_0_d.h"
28#include "gca/gfx_8_0_enum.h"
29#include "oss/oss_3_0_sh_mask.h"
30#include "oss/oss_3_0_d.h"
31#include "gmc/gmc_8_1_sh_mask.h"
32#include "gmc/gmc_8_1_d.h"
33#include "vi_structs.h"
34#include "vid.h"
35
36enum hqd_dequeue_request_type {
37	NO_ACTION = 0,
38	DRAIN_PIPE,
39	RESET_WAVES
40};
41
42static void lock_srbm(struct amdgpu_device *adev, uint32_t mec, uint32_t pipe,
43			uint32_t queue, uint32_t vmid)
44{
45	uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue);
46
47	mutex_lock(&adev->srbm_mutex);
48	WREG32(mmSRBM_GFX_CNTL, value);
49}
50
51static void unlock_srbm(struct amdgpu_device *adev)
52{
53	WREG32(mmSRBM_GFX_CNTL, 0);
54	mutex_unlock(&adev->srbm_mutex);
55}
56
57static void acquire_queue(struct amdgpu_device *adev, uint32_t pipe_id,
58				uint32_t queue_id)
59{
60	uint32_t mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
61	uint32_t pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
62
63	lock_srbm(adev, mec, pipe, queue_id, 0);
64}
65
66static void release_queue(struct amdgpu_device *adev)
67{
68	unlock_srbm(adev);
69}
70
71static void kgd_program_sh_mem_settings(struct amdgpu_device *adev, uint32_t vmid,
72					uint32_t sh_mem_config,
73					uint32_t sh_mem_ape1_base,
74					uint32_t sh_mem_ape1_limit,
75					uint32_t sh_mem_bases, uint32_t inst)
76{
77	lock_srbm(adev, 0, 0, 0, vmid);
78
79	WREG32(mmSH_MEM_CONFIG, sh_mem_config);
80	WREG32(mmSH_MEM_APE1_BASE, sh_mem_ape1_base);
81	WREG32(mmSH_MEM_APE1_LIMIT, sh_mem_ape1_limit);
82	WREG32(mmSH_MEM_BASES, sh_mem_bases);
83
84	unlock_srbm(adev);
85}
86
87static int kgd_set_pasid_vmid_mapping(struct amdgpu_device *adev, u32 pasid,
88					unsigned int vmid, uint32_t inst)
89{
90	/*
91	 * We have to assume that there is no outstanding mapping.
92	 * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because
93	 * a mapping is in progress or because a mapping finished
94	 * and the SW cleared it.
95	 * So the protocol is to always wait & clear.
96	 */
97	uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
98			ATC_VMID0_PASID_MAPPING__VALID_MASK;
99
100	WREG32(mmATC_VMID0_PASID_MAPPING + vmid, pasid_mapping);
101
102	while (!(RREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS) & (1U << vmid)))
103		cpu_relax();
104	WREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid);
105
106	/* Mapping vmid to pasid also for IH block */
107	WREG32(mmIH_VMID_0_LUT + vmid, pasid_mapping);
108
109	return 0;
110}
111
112static int kgd_init_interrupts(struct amdgpu_device *adev, uint32_t pipe_id,
113				uint32_t inst)
114{
115	uint32_t mec;
116	uint32_t pipe;
117
118	mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
119	pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
120
121	lock_srbm(adev, mec, pipe, 0, 0);
122
123	WREG32(mmCPC_INT_CNTL, CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK |
124			CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK);
125
126	unlock_srbm(adev);
127
128	return 0;
129}
130
131static inline uint32_t get_sdma_rlc_reg_offset(struct vi_sdma_mqd *m)
132{
133	uint32_t retval;
134
135	retval = m->sdma_engine_id * SDMA1_REGISTER_OFFSET +
136		m->sdma_queue_id * KFD_VI_SDMA_QUEUE_OFFSET;
137
138	pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n",
139			m->sdma_engine_id, m->sdma_queue_id, retval);
140
141	return retval;
142}
143
144static inline struct vi_mqd *get_mqd(void *mqd)
145{
146	return (struct vi_mqd *)mqd;
147}
148
149static inline struct vi_sdma_mqd *get_sdma_mqd(void *mqd)
150{
151	return (struct vi_sdma_mqd *)mqd;
152}
153
154static int kgd_hqd_load(struct amdgpu_device *adev, void *mqd,
155			uint32_t pipe_id, uint32_t queue_id,
156			uint32_t __user *wptr, uint32_t wptr_shift,
157			uint32_t wptr_mask, struct mm_struct *mm, uint32_t inst)
158{
159	struct vi_mqd *m;
160	uint32_t *mqd_hqd;
161	uint32_t reg, wptr_val, data;
162	bool valid_wptr = false;
163
164	m = get_mqd(mqd);
165
166	acquire_queue(adev, pipe_id, queue_id);
167
168	/* HIQ is set during driver init period with vmid set to 0*/
169	if (m->cp_hqd_vmid == 0) {
170		uint32_t value, mec, pipe;
171
172		mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
173		pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
174
175		pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n",
176			mec, pipe, queue_id);
177		value = RREG32(mmRLC_CP_SCHEDULERS);
178		value = REG_SET_FIELD(value, RLC_CP_SCHEDULERS, scheduler1,
179			((mec << 5) | (pipe << 3) | queue_id | 0x80));
180		WREG32(mmRLC_CP_SCHEDULERS, value);
181	}
182
183	/* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */
184	mqd_hqd = &m->cp_mqd_base_addr_lo;
185
186	for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_CONTROL; reg++)
187		WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]);
188
189	/* Tonga errata: EOP RPTR/WPTR should be left unmodified.
190	 * This is safe since EOP RPTR==WPTR for any inactive HQD
191	 * on ASICs that do not support context-save.
192	 * EOP writes/reads can start anywhere in the ring.
193	 */
194	if (adev->asic_type != CHIP_TONGA) {
195		WREG32(mmCP_HQD_EOP_RPTR, m->cp_hqd_eop_rptr);
196		WREG32(mmCP_HQD_EOP_WPTR, m->cp_hqd_eop_wptr);
197		WREG32(mmCP_HQD_EOP_WPTR_MEM, m->cp_hqd_eop_wptr_mem);
198	}
199
200	for (reg = mmCP_HQD_EOP_EVENTS; reg <= mmCP_HQD_ERROR; reg++)
201		WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]);
202
203	/* Copy userspace write pointer value to register.
204	 * Activate doorbell logic to monitor subsequent changes.
205	 */
206	data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control,
207			     CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
208	WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, data);
209
210	/* read_user_ptr may take the mm->mmap_lock.
211	 * release srbm_mutex to avoid circular dependency between
212	 * srbm_mutex->mmap_lock->reservation_ww_class_mutex->srbm_mutex.
213	 */
214	release_queue(adev);
215	valid_wptr = read_user_wptr(mm, wptr, wptr_val);
216	acquire_queue(adev, pipe_id, queue_id);
217	if (valid_wptr)
218		WREG32(mmCP_HQD_PQ_WPTR, (wptr_val << wptr_shift) & wptr_mask);
219
220	data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1);
221	WREG32(mmCP_HQD_ACTIVE, data);
222
223	release_queue(adev);
224
225	return 0;
226}
227
228static int kgd_hqd_dump(struct amdgpu_device *adev,
229			uint32_t pipe_id, uint32_t queue_id,
230			uint32_t (**dump)[2], uint32_t *n_regs, uint32_t inst)
231{
232	uint32_t i = 0, reg;
233#define HQD_N_REGS (54+4)
234#define DUMP_REG(addr) do {				\
235		if (WARN_ON_ONCE(i >= HQD_N_REGS))	\
236			break;				\
237		(*dump)[i][0] = (addr) << 2;		\
238		(*dump)[i++][1] = RREG32(addr);		\
239	} while (0)
240
241	*dump = kmalloc_array(HQD_N_REGS * 2, sizeof(uint32_t), GFP_KERNEL);
242	if (*dump == NULL)
243		return -ENOMEM;
244
245	acquire_queue(adev, pipe_id, queue_id);
246
247	DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE0);
248	DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE1);
249	DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE2);
250	DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE3);
251
252	for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_DONES; reg++)
253		DUMP_REG(reg);
254
255	release_queue(adev);
256
257	WARN_ON_ONCE(i != HQD_N_REGS);
258	*n_regs = i;
259
260	return 0;
261}
262
263static int kgd_hqd_sdma_load(struct amdgpu_device *adev, void *mqd,
264			     uint32_t __user *wptr, struct mm_struct *mm)
265{
266	struct vi_sdma_mqd *m;
267	unsigned long end_jiffies;
268	uint32_t sdma_rlc_reg_offset;
269	uint32_t data;
270
271	m = get_sdma_mqd(mqd);
272	sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m);
273	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
274		m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
275
276	end_jiffies = msecs_to_jiffies(2000) + jiffies;
277	while (true) {
278		data = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
279		if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
280			break;
281		if (time_after(jiffies, end_jiffies)) {
282			pr_err("SDMA RLC not idle in %s\n", __func__);
283			return -ETIME;
284		}
285		usleep_range(500, 1000);
286	}
287
288	data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
289			     ENABLE, 1);
290	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data);
291	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR,
292				m->sdmax_rlcx_rb_rptr);
293
294	if (read_user_wptr(mm, wptr, data))
295		WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, data);
296	else
297		WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
298		       m->sdmax_rlcx_rb_rptr);
299
300	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_VIRTUAL_ADDR,
301				m->sdmax_rlcx_virtual_addr);
302	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
303	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI,
304			m->sdmax_rlcx_rb_base_hi);
305	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
306			m->sdmax_rlcx_rb_rptr_addr_lo);
307	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
308			m->sdmax_rlcx_rb_rptr_addr_hi);
309
310	data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
311			     RB_ENABLE, 1);
312	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data);
313
314	return 0;
315}
316
317static int kgd_hqd_sdma_dump(struct amdgpu_device *adev,
318			     uint32_t engine_id, uint32_t queue_id,
319			     uint32_t (**dump)[2], uint32_t *n_regs)
320{
321	uint32_t sdma_offset = engine_id * SDMA1_REGISTER_OFFSET +
322		queue_id * KFD_VI_SDMA_QUEUE_OFFSET;
323	uint32_t i = 0, reg;
324#undef HQD_N_REGS
325#define HQD_N_REGS (19+4+2+3+7)
326
327	*dump = kmalloc_array(HQD_N_REGS * 2, sizeof(uint32_t), GFP_KERNEL);
328	if (*dump == NULL)
329		return -ENOMEM;
330
331	for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
332		DUMP_REG(sdma_offset + reg);
333	for (reg = mmSDMA0_RLC0_VIRTUAL_ADDR; reg <= mmSDMA0_RLC0_WATERMARK;
334	     reg++)
335		DUMP_REG(sdma_offset + reg);
336	for (reg = mmSDMA0_RLC0_CSA_ADDR_LO; reg <= mmSDMA0_RLC0_CSA_ADDR_HI;
337	     reg++)
338		DUMP_REG(sdma_offset + reg);
339	for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN; reg <= mmSDMA0_RLC0_DUMMY_REG;
340	     reg++)
341		DUMP_REG(sdma_offset + reg);
342	for (reg = mmSDMA0_RLC0_MIDCMD_DATA0; reg <= mmSDMA0_RLC0_MIDCMD_CNTL;
343	     reg++)
344		DUMP_REG(sdma_offset + reg);
345
346	WARN_ON_ONCE(i != HQD_N_REGS);
347	*n_regs = i;
348
349	return 0;
350}
351
352static bool kgd_hqd_is_occupied(struct amdgpu_device *adev,
353				uint64_t queue_address, uint32_t pipe_id,
354				uint32_t queue_id, uint32_t inst)
355{
356	uint32_t act;
357	bool retval = false;
358	uint32_t low, high;
359
360	acquire_queue(adev, pipe_id, queue_id);
361	act = RREG32(mmCP_HQD_ACTIVE);
362	if (act) {
363		low = lower_32_bits(queue_address >> 8);
364		high = upper_32_bits(queue_address >> 8);
365
366		if (low == RREG32(mmCP_HQD_PQ_BASE) &&
367				high == RREG32(mmCP_HQD_PQ_BASE_HI))
368			retval = true;
369	}
370	release_queue(adev);
371	return retval;
372}
373
374static bool kgd_hqd_sdma_is_occupied(struct amdgpu_device *adev, void *mqd)
375{
376	struct vi_sdma_mqd *m;
377	uint32_t sdma_rlc_reg_offset;
378	uint32_t sdma_rlc_rb_cntl;
379
380	m = get_sdma_mqd(mqd);
381	sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m);
382
383	sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
384
385	if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
386		return true;
387
388	return false;
389}
390
391static int kgd_hqd_destroy(struct amdgpu_device *adev, void *mqd,
392				enum kfd_preempt_type reset_type,
393				unsigned int utimeout, uint32_t pipe_id,
394				uint32_t queue_id, uint32_t inst)
395{
396	uint32_t temp;
397	enum hqd_dequeue_request_type type;
398	unsigned long flags, end_jiffies;
399	int retry;
400	struct vi_mqd *m = get_mqd(mqd);
401
402	if (amdgpu_in_reset(adev))
403		return -EIO;
404
405	acquire_queue(adev, pipe_id, queue_id);
406
407	if (m->cp_hqd_vmid == 0)
408		WREG32_FIELD(RLC_CP_SCHEDULERS, scheduler1, 0);
409
410	switch (reset_type) {
411	case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN:
412		type = DRAIN_PIPE;
413		break;
414	case KFD_PREEMPT_TYPE_WAVEFRONT_RESET:
415		type = RESET_WAVES;
416		break;
417	default:
418		type = DRAIN_PIPE;
419		break;
420	}
421
422	/* Workaround: If IQ timer is active and the wait time is close to or
423	 * equal to 0, dequeueing is not safe. Wait until either the wait time
424	 * is larger or timer is cleared. Also, ensure that IQ_REQ_PEND is
425	 * cleared before continuing. Also, ensure wait times are set to at
426	 * least 0x3.
427	 */
428	local_irq_save(flags);
429	preempt_disable();
430	retry = 5000; /* wait for 500 usecs at maximum */
431	while (true) {
432		temp = RREG32(mmCP_HQD_IQ_TIMER);
433		if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, PROCESSING_IQ)) {
434			pr_debug("HW is processing IQ\n");
435			goto loop;
436		}
437		if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, ACTIVE)) {
438			if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, RETRY_TYPE)
439					== 3) /* SEM-rearm is safe */
440				break;
441			/* Wait time 3 is safe for CP, but our MMIO read/write
442			 * time is close to 1 microsecond, so check for 10 to
443			 * leave more buffer room
444			 */
445			if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, WAIT_TIME)
446					>= 10)
447				break;
448			pr_debug("IQ timer is active\n");
449		} else
450			break;
451loop:
452		if (!retry) {
453			pr_err("CP HQD IQ timer status time out\n");
454			break;
455		}
456		ndelay(100);
457		--retry;
458	}
459	retry = 1000;
460	while (true) {
461		temp = RREG32(mmCP_HQD_DEQUEUE_REQUEST);
462		if (!(temp & CP_HQD_DEQUEUE_REQUEST__IQ_REQ_PEND_MASK))
463			break;
464		pr_debug("Dequeue request is pending\n");
465
466		if (!retry) {
467			pr_err("CP HQD dequeue request time out\n");
468			break;
469		}
470		ndelay(100);
471		--retry;
472	}
473	local_irq_restore(flags);
474	preempt_enable();
475
476	WREG32(mmCP_HQD_DEQUEUE_REQUEST, type);
477
478	end_jiffies = (utimeout * HZ / 1000) + jiffies;
479	while (true) {
480		temp = RREG32(mmCP_HQD_ACTIVE);
481		if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK))
482			break;
483		if (time_after(jiffies, end_jiffies)) {
484			pr_err("cp queue preemption time out.\n");
485			release_queue(adev);
486			return -ETIME;
487		}
488		usleep_range(500, 1000);
489	}
490
491	release_queue(adev);
492	return 0;
493}
494
495static int kgd_hqd_sdma_destroy(struct amdgpu_device *adev, void *mqd,
496				unsigned int utimeout)
497{
498	struct vi_sdma_mqd *m;
499	uint32_t sdma_rlc_reg_offset;
500	uint32_t temp;
501	unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
502
503	m = get_sdma_mqd(mqd);
504	sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m);
505
506	temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
507	temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
508	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp);
509
510	while (true) {
511		temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
512		if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
513			break;
514		if (time_after(jiffies, end_jiffies)) {
515			pr_err("SDMA RLC not idle in %s\n", __func__);
516			return -ETIME;
517		}
518		usleep_range(500, 1000);
519	}
520
521	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0);
522	WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
523		RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) |
524		SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
525
526	m->sdmax_rlcx_rb_rptr = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR);
527
528	return 0;
529}
530
531static bool get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
532					uint8_t vmid, uint16_t *p_pasid)
533{
534	uint32_t value;
535
536	value = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
537	*p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
538
539	return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
540}
541
542static int kgd_wave_control_execute(struct amdgpu_device *adev,
543					uint32_t gfx_index_val,
544					uint32_t sq_cmd, uint32_t inst)
545{
546	uint32_t data = 0;
547
548	mutex_lock(&adev->grbm_idx_mutex);
549
550	WREG32(mmGRBM_GFX_INDEX, gfx_index_val);
551	WREG32(mmSQ_CMD, sq_cmd);
552
553	data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
554		INSTANCE_BROADCAST_WRITES, 1);
555	data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
556		SH_BROADCAST_WRITES, 1);
557	data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
558		SE_BROADCAST_WRITES, 1);
559
560	WREG32(mmGRBM_GFX_INDEX, data);
561	mutex_unlock(&adev->grbm_idx_mutex);
562
563	return 0;
564}
565
566static void set_scratch_backing_va(struct amdgpu_device *adev,
567					uint64_t va, uint32_t vmid)
568{
569	lock_srbm(adev, 0, 0, 0, vmid);
570	WREG32(mmSH_HIDDEN_PRIVATE_BASE_VMID, va);
571	unlock_srbm(adev);
572}
573
574static void set_vm_context_page_table_base(struct amdgpu_device *adev,
575		uint32_t vmid, uint64_t page_table_base)
576{
577	if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) {
578		pr_err("trying to set page table base for wrong VMID\n");
579		return;
580	}
581	WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8,
582			lower_32_bits(page_table_base));
583}
584
585const struct kfd2kgd_calls gfx_v8_kfd2kgd = {
586	.program_sh_mem_settings = kgd_program_sh_mem_settings,
587	.set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping,
588	.init_interrupts = kgd_init_interrupts,
589	.hqd_load = kgd_hqd_load,
590	.hqd_sdma_load = kgd_hqd_sdma_load,
591	.hqd_dump = kgd_hqd_dump,
592	.hqd_sdma_dump = kgd_hqd_sdma_dump,
593	.hqd_is_occupied = kgd_hqd_is_occupied,
594	.hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied,
595	.hqd_destroy = kgd_hqd_destroy,
596	.hqd_sdma_destroy = kgd_hqd_sdma_destroy,
597	.wave_control_execute = kgd_wave_control_execute,
598	.get_atc_vmid_pasid_mapping_info =
599			get_atc_vmid_pasid_mapping_info,
600	.set_scratch_backing_va = set_scratch_backing_va,
601	.set_vm_context_page_table_base = set_vm_context_page_table_base,
602};
603