[deliverable/linux.git] / drivers / gpu / drm / amd / amdkfd / kfd_mqd_manager_vi.c

/*
 * 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.
 *
 */

#include <linux/printk.h>
#include <linux/slab.h>
#include "kfd_priv.h"
#include "kfd_mqd_manager.h"
#include "vi_structs.h"
#include "gca/gfx_8_0_sh_mask.h"
#include "gca/gfx_8_0_enum.h"

#define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8

static inline struct vi_mqd *get_mqd(void *mqd)
{
	return (struct vi_mqd *)mqd;
}

static int init_mqd(struct mqd_manager *mm, void **mqd,
			struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr,
			struct queue_properties *q)
{
	int retval;
	uint64_t addr;
	struct vi_mqd *m;

	retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct vi_mqd),
			mqd_mem_obj);
	if (retval != 0)
		return -ENOMEM;

	m = (struct vi_mqd *) (*mqd_mem_obj)->cpu_ptr;
	addr = (*mqd_mem_obj)->gpu_addr;

	memset(m, 0, sizeof(struct vi_mqd));

	m->header = 0xC0310800;
	m->compute_pipelinestat_enable = 1;
	m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF;
	m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF;

	m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK |
			0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT;

	m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT |
			MTYPE_UC << CP_MQD_CONTROL__MTYPE__SHIFT;

	m->cp_mqd_base_addr_lo        = lower_32_bits(addr);
	m->cp_mqd_base_addr_hi        = upper_32_bits(addr);

	m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT |
			1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT |
			10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT;

	m->cp_hqd_pipe_priority = 1;
	m->cp_hqd_queue_priority = 15;

	m->cp_hqd_eop_rptr = 1 << CP_HQD_EOP_RPTR__INIT_FETCHER__SHIFT;

	if (q->format == KFD_QUEUE_FORMAT_AQL)
		m->cp_hqd_iq_rptr = 1;

	*mqd = m;
	if (gart_addr != NULL)
		*gart_addr = addr;
	retval = mm->update_mqd(mm, m, q);

	return retval;
}

static int load_mqd(struct mqd_manager *mm, void *mqd,
			uint32_t pipe_id, uint32_t queue_id,
			uint32_t __user *wptr)
{
	return mm->dev->kfd2kgd->hqd_load
		(mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
}

static int __update_mqd(struct mqd_manager *mm, void *mqd,
			struct queue_properties *q, unsigned int mtype,
			unsigned int atc_bit)
{
	struct vi_mqd *m;

	BUG_ON(!mm || !q || !mqd);

	pr_debug("kfd: In func %s\n", __func__);

	m = get_mqd(mqd);

	m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT |
			atc_bit << CP_HQD_PQ_CONTROL__PQ_ATC__SHIFT |
			mtype << CP_HQD_PQ_CONTROL__MTYPE__SHIFT;
	m->cp_hqd_pq_control |=
			ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;
	pr_debug("kfd: cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control);

	m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8);
	m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8);

	m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
	m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr);

	m->cp_hqd_pq_doorbell_control =
		1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_EN__SHIFT |
		q->doorbell_off <<
			CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT;
	pr_debug("kfd: cp_hqd_pq_doorbell_control 0x%x\n",
			m->cp_hqd_pq_doorbell_control);

	m->cp_hqd_eop_control = atc_bit << CP_HQD_EOP_CONTROL__EOP_ATC__SHIFT |
			mtype << CP_HQD_EOP_CONTROL__MTYPE__SHIFT;

	m->cp_hqd_ib_control = atc_bit << CP_HQD_IB_CONTROL__IB_ATC__SHIFT |
			3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT |
			mtype << CP_HQD_IB_CONTROL__MTYPE__SHIFT;

	m->cp_hqd_eop_control |=
		ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1;
	m->cp_hqd_eop_base_addr_lo =
			lower_32_bits(q->eop_ring_buffer_address >> 8);
	m->cp_hqd_eop_base_addr_hi =
			upper_32_bits(q->eop_ring_buffer_address >> 8);

	m->cp_hqd_iq_timer = atc_bit << CP_HQD_IQ_TIMER__IQ_ATC__SHIFT |
			mtype << CP_HQD_IQ_TIMER__MTYPE__SHIFT;

	m->cp_hqd_vmid = q->vmid;

	if (q->format == KFD_QUEUE_FORMAT_AQL) {
		m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK |
				2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT;
	}

	m->cp_hqd_active = 0;
	q->is_active = false;
	if (q->queue_size > 0 &&
			q->queue_address != 0 &&
			q->queue_percent > 0) {
		m->cp_hqd_active = 1;
		q->is_active = true;
	}

	return 0;
}


static int update_mqd(struct mqd_manager *mm, void *mqd,
			struct queue_properties *q)
{
	return __update_mqd(mm, mqd, q, MTYPE_CC, 1);
}

static int destroy_mqd(struct mqd_manager *mm, void *mqd,
			enum kfd_preempt_type type,
			unsigned int timeout, uint32_t pipe_id,
			uint32_t queue_id)
{
	return mm->dev->kfd2kgd->hqd_destroy
		(mm->dev->kgd, type, timeout,
		pipe_id, queue_id);
}

static void uninit_mqd(struct mqd_manager *mm, void *mqd,
			struct kfd_mem_obj *mqd_mem_obj)
{
	BUG_ON(!mm || !mqd);
	kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
}

static bool is_occupied(struct mqd_manager *mm, void *mqd,
			uint64_t queue_address,	uint32_t pipe_id,
			uint32_t queue_id)
{
	return mm->dev->kfd2kgd->hqd_is_occupied(
		mm->dev->kgd, queue_address,
		pipe_id, queue_id);
}

static int init_mqd_hiq(struct mqd_manager *mm, void **mqd,
			struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr,
			struct queue_properties *q)
{
	struct vi_mqd *m;
	int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q);

	if (retval != 0)
		return retval;

	m = get_mqd(*mqd);

	m->cp_hqd_pq_control |= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT |
			1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT;

	return retval;
}

static int update_mqd_hiq(struct mqd_manager *mm, void *mqd,
			struct queue_properties *q)
{
	struct vi_mqd *m;
	int retval = __update_mqd(mm, mqd, q, MTYPE_UC, 0);

	if (retval != 0)
		return retval;

	m = get_mqd(mqd);
	m->cp_hqd_vmid = q->vmid;
	return retval;
}

struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
		struct kfd_dev *dev)
{
	struct mqd_manager *mqd;

	BUG_ON(!dev);
	BUG_ON(type >= KFD_MQD_TYPE_MAX);

	pr_debug("kfd: In func %s\n", __func__);

	mqd = kzalloc(sizeof(struct mqd_manager), GFP_KERNEL);
	if (!mqd)
		return NULL;

	mqd->dev = dev;

	switch (type) {
	case KFD_MQD_TYPE_CP:
	case KFD_MQD_TYPE_COMPUTE:
		mqd->init_mqd = init_mqd;
		mqd->uninit_mqd = uninit_mqd;
		mqd->load_mqd = load_mqd;
		mqd->update_mqd = update_mqd;
		mqd->destroy_mqd = destroy_mqd;
		mqd->is_occupied = is_occupied;
		break;
	case KFD_MQD_TYPE_HIQ:
		mqd->init_mqd = init_mqd_hiq;
		mqd->uninit_mqd = uninit_mqd;
		mqd->load_mqd = load_mqd;
		mqd->update_mqd = update_mqd_hiq;
		mqd->destroy_mqd = destroy_mqd;
		mqd->is_occupied = is_occupied;
		break;
	case KFD_MQD_TYPE_SDMA:
		break;
	default:
		kfree(mqd);
		return NULL;
	}

	return mqd;
}
Commit	Line	Data
4b8f589b BG	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	#include <linux/printk.h>
d696d536	25	#include <linux/slab.h>
4b8f589b BG	26	#include "kfd_priv.h"
4b8f589b BG	27	#include "kfd_mqd_manager.h"
d696d536 BG	28	#include "vi_structs.h"
	29	#include "gca/gfx_8_0_sh_mask.h"
	30	#include "gca/gfx_8_0_enum.h"
	31
	32	#define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8
	33
	34	static inline struct vi_mqd get_mqd(void mqd)
	35	{
	36	return (struct vi_mqd *)mqd;
	37	}
	38
	39	static int init_mqd(struct mqd_manager mm, void *mqd,
	40	struct kfd_mem_obj *mqd_mem_obj, uint64_t gart_addr,
	41	struct queue_properties *q)
	42	{
	43	int retval;
	44	uint64_t addr;
	45	struct vi_mqd *m;
	46
	47	retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct vi_mqd),
	48	mqd_mem_obj);
	49	if (retval != 0)
	50	return -ENOMEM;
	51
	52	m = (struct vi_mqd ) (mqd_mem_obj)->cpu_ptr;
	53	addr = (*mqd_mem_obj)->gpu_addr;
	54
	55	memset(m, 0, sizeof(struct vi_mqd));
	56
	57	m->header = 0xC0310800;
	58	m->compute_pipelinestat_enable = 1;
	59	m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF;
	60	m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF;
	61	m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF;
	62	m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF;
	63
	64	m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK \|
	65	0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT;
	66
	67	m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT \|
	68	MTYPE_UC << CP_MQD_CONTROL__MTYPE__SHIFT;
	69
	70	m->cp_mqd_base_addr_lo = lower_32_bits(addr);
	71	m->cp_mqd_base_addr_hi = upper_32_bits(addr);
	72
	73	m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT \|
	74	1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT \|
	75	10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT;
	76
	77	m->cp_hqd_pipe_priority = 1;
	78	m->cp_hqd_queue_priority = 15;
	79
	80	m->cp_hqd_eop_rptr = 1 << CP_HQD_EOP_RPTR__INIT_FETCHER__SHIFT;
	81
	82	if (q->format == KFD_QUEUE_FORMAT_AQL)
	83	m->cp_hqd_iq_rptr = 1;
	84
	85	*mqd = m;
	86	if (gart_addr != NULL)
	87	*gart_addr = addr;
	88	retval = mm->update_mqd(mm, m, q);
	89
	90	return retval;
	91	}
92
93	static int load_mqd(struct mqd_manager mm, void mqd,
94	uint32_t pipe_id, uint32_t queue_id,
95	uint32_t __user *wptr)
96	{
97	return mm->dev->kfd2kgd->hqd_load
98	(mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
99	}
100
101	static int __update_mqd(struct mqd_manager mm, void mqd,
102	struct queue_properties *q, unsigned int mtype,
103	unsigned int atc_bit)
104	{
105	struct vi_mqd *m;
106
107	BUG_ON(!mm \|\| !q \|\| !mqd);
108
109	pr_debug("kfd: In func %s\n", __func__);
110
111	m = get_mqd(mqd);
112
113	m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT \|
114	atc_bit << CP_HQD_PQ_CONTROL__PQ_ATC__SHIFT \|
115	mtype << CP_HQD_PQ_CONTROL__MTYPE__SHIFT;
116	m->cp_hqd_pq_control \|=
117	ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;
118	pr_debug("kfd: cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control);
119
120	m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8);
121	m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8);
122
123	m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
124	m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
125
126	m->cp_hqd_pq_doorbell_control =
127	1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_EN__SHIFT \|
128	q->doorbell_off <<
129	CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT;
130	pr_debug("kfd: cp_hqd_pq_doorbell_control 0x%x\n",
131	m->cp_hqd_pq_doorbell_control);
132
133	m->cp_hqd_eop_control = atc_bit << CP_HQD_EOP_CONTROL__EOP_ATC__SHIFT \|
134	mtype << CP_HQD_EOP_CONTROL__MTYPE__SHIFT;
135
136	m->cp_hqd_ib_control = atc_bit << CP_HQD_IB_CONTROL__IB_ATC__SHIFT \|
137	3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT \|
138	mtype << CP_HQD_IB_CONTROL__MTYPE__SHIFT;
139
140	m->cp_hqd_eop_control \|=
141	ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1;
142	m->cp_hqd_eop_base_addr_lo =
143	lower_32_bits(q->eop_ring_buffer_address >> 8);
144	m->cp_hqd_eop_base_addr_hi =
145	upper_32_bits(q->eop_ring_buffer_address >> 8);
146
147	m->cp_hqd_iq_timer = atc_bit << CP_HQD_IQ_TIMER__IQ_ATC__SHIFT \|
148	mtype << CP_HQD_IQ_TIMER__MTYPE__SHIFT;
149
150	m->cp_hqd_vmid = q->vmid;
151
152	if (q->format == KFD_QUEUE_FORMAT_AQL) {
153	m->cp_hqd_pq_control \|= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK \|
154	2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT;
155	}
156
157	m->cp_hqd_active = 0;
158	q->is_active = false;
159	if (q->queue_size > 0 &&
160	q->queue_address != 0 &&
161	q->queue_percent > 0) {
162	m->cp_hqd_active = 1;
163	q->is_active = true;
164	}
165
166	return 0;
167	}
168
169
170	static int update_mqd(struct mqd_manager mm, void mqd,
171	struct queue_properties *q)
172	{
173	return __update_mqd(mm, mqd, q, MTYPE_CC, 1);
174	}
175
176	static int destroy_mqd(struct mqd_manager mm, void mqd,
177	enum kfd_preempt_type type,
178	unsigned int timeout, uint32_t pipe_id,
179	uint32_t queue_id)
180	{
181	return mm->dev->kfd2kgd->hqd_destroy
182	(mm->dev->kgd, type, timeout,
183	pipe_id, queue_id);
184	}
185
186	static void uninit_mqd(struct mqd_manager mm, void mqd,
187	struct kfd_mem_obj *mqd_mem_obj)
188	{
189	BUG_ON(!mm \|\| !mqd);
190	kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
191	}
192
193	static bool is_occupied(struct mqd_manager mm, void mqd,
194	uint64_t queue_address, uint32_t pipe_id,
195	uint32_t queue_id)
196	{
197	return mm->dev->kfd2kgd->hqd_is_occupied(
198	mm->dev->kgd, queue_address,
199	pipe_id, queue_id);
200	}
201
202	static int init_mqd_hiq(struct mqd_manager mm, void *mqd,
203	struct kfd_mem_obj *mqd_mem_obj, uint64_t gart_addr,
204	struct queue_properties *q)
205	{
206	struct vi_mqd *m;
207	int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q);
208
209	if (retval != 0)
210	return retval;
211
212	m = get_mqd(*mqd);
213
214	m->cp_hqd_pq_control \|= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT \|
215	1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT;
216
217	return retval;
218	}
219
220	static int update_mqd_hiq(struct mqd_manager mm, void mqd,
221	struct queue_properties *q)
222	{
223	struct vi_mqd *m;
224	int retval = __update_mqd(mm, mqd, q, MTYPE_UC, 0);
225
226	if (retval != 0)
227	return retval;
228
229	m = get_mqd(mqd);
230	m->cp_hqd_vmid = q->vmid;
231	return retval;
232	}
4b8f589b BG	233
4b8f589b BG	234	struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
d696d536	235	struct kfd_dev *dev)
4b8f589b	236	{
d696d536 BG	237	struct mqd_manager *mqd;
	238
	239	BUG_ON(!dev);
	240	BUG_ON(type >= KFD_MQD_TYPE_MAX);
	241
	242	pr_debug("kfd: In func %s\n", __func__);
	243
	244	mqd = kzalloc(sizeof(struct mqd_manager), GFP_KERNEL);
	245	if (!mqd)
	246	return NULL;
	247
	248	mqd->dev = dev;
	249
	250	switch (type) {
	251	case KFD_MQD_TYPE_CP:
	252	case KFD_MQD_TYPE_COMPUTE:
	253	mqd->init_mqd = init_mqd;
	254	mqd->uninit_mqd = uninit_mqd;
	255	mqd->load_mqd = load_mqd;
	256	mqd->update_mqd = update_mqd;
	257	mqd->destroy_mqd = destroy_mqd;
	258	mqd->is_occupied = is_occupied;
	259	break;
	260	case KFD_MQD_TYPE_HIQ:
	261	mqd->init_mqd = init_mqd_hiq;
	262	mqd->uninit_mqd = uninit_mqd;
	263	mqd->load_mqd = load_mqd;
	264	mqd->update_mqd = update_mqd_hiq;
	265	mqd->destroy_mqd = destroy_mqd;
	266	mqd->is_occupied = is_occupied;
	267	break;
	268	case KFD_MQD_TYPE_SDMA:
	269	break;
	270	default:
	271	kfree(mqd);
	272	return NULL;
	273	}
	274
	275	return mqd;
4b8f589b	276	}