[mirror_ubuntu-artful-kernel.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 <linux/mm_types.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>
589ee628 IM	26	#include <linux/mm_types.h>
589ee628 IM	27
4b8f589b BG	28	#include "kfd_priv.h"
4b8f589b BG	29	#include "kfd_mqd_manager.h"
d696d536 BG	30	#include "vi_structs.h"
	31	#include "gca/gfx_8_0_sh_mask.h"
	32	#include "gca/gfx_8_0_enum.h"
	33
	34	#define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8
	35
	36	static inline struct vi_mqd get_mqd(void mqd)
	37	{
	38	return (struct vi_mqd *)mqd;
	39	}
	40
	41	static int init_mqd(struct mqd_manager mm, void *mqd,
	42	struct kfd_mem_obj *mqd_mem_obj, uint64_t gart_addr,
	43	struct queue_properties *q)
	44	{
	45	int retval;
	46	uint64_t addr;
	47	struct vi_mqd *m;
	48
	49	retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct vi_mqd),
	50	mqd_mem_obj);
	51	if (retval != 0)
	52	return -ENOMEM;
	53
	54	m = (struct vi_mqd ) (mqd_mem_obj)->cpu_ptr;
	55	addr = (*mqd_mem_obj)->gpu_addr;
	56
	57	memset(m, 0, sizeof(struct vi_mqd));
	58
	59	m->header = 0xC0310800;
	60	m->compute_pipelinestat_enable = 1;
	61	m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF;
	62	m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF;
	63	m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF;
	64	m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF;
	65
	66	m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK \|
	67	0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT;
	68
	69	m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT \|
	70	MTYPE_UC << CP_MQD_CONTROL__MTYPE__SHIFT;
	71
	72	m->cp_mqd_base_addr_lo = lower_32_bits(addr);
	73	m->cp_mqd_base_addr_hi = upper_32_bits(addr);
	74
	75	m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT \|
	76	1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT \|
	77	10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT;
	78
	79	m->cp_hqd_pipe_priority = 1;
	80	m->cp_hqd_queue_priority = 15;
	81
	82	m->cp_hqd_eop_rptr = 1 << CP_HQD_EOP_RPTR__INIT_FETCHER__SHIFT;
	83
	84	if (q->format == KFD_QUEUE_FORMAT_AQL)
	85	m->cp_hqd_iq_rptr = 1;
	86
	87	*mqd = m;
	88	if (gart_addr != NULL)
	89	*gart_addr = addr;
	90	retval = mm->update_mqd(mm, m, q);
	91
	92	return retval;
	93	}
94
95	static int load_mqd(struct mqd_manager mm, void mqd,
96	uint32_t pipe_id, uint32_t queue_id,
97	uint32_t __user *wptr)
98	{
99	return mm->dev->kfd2kgd->hqd_load
100	(mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
101	}
102
103	static int __update_mqd(struct mqd_manager mm, void mqd,
104	struct queue_properties *q, unsigned int mtype,
105	unsigned int atc_bit)
106	{
107	struct vi_mqd *m;
108
109	BUG_ON(!mm \|\| !q \|\| !mqd);
110
111	pr_debug("kfd: In func %s\n", __func__);
112
113	m = get_mqd(mqd);
114
115	m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT \|
116	atc_bit << CP_HQD_PQ_CONTROL__PQ_ATC__SHIFT \|
117	mtype << CP_HQD_PQ_CONTROL__MTYPE__SHIFT;
118	m->cp_hqd_pq_control \|=
119	ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;
120	pr_debug("kfd: cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control);
121
122	m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8);
123	m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8);
124
125	m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
126	m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
127
128	m->cp_hqd_pq_doorbell_control =
129	1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_EN__SHIFT \|
130	q->doorbell_off <<
131	CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT;
132	pr_debug("kfd: cp_hqd_pq_doorbell_control 0x%x\n",
133	m->cp_hqd_pq_doorbell_control);
134
135	m->cp_hqd_eop_control = atc_bit << CP_HQD_EOP_CONTROL__EOP_ATC__SHIFT \|
136	mtype << CP_HQD_EOP_CONTROL__MTYPE__SHIFT;
137
138	m->cp_hqd_ib_control = atc_bit << CP_HQD_IB_CONTROL__IB_ATC__SHIFT \|
139	3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT \|
140	mtype << CP_HQD_IB_CONTROL__MTYPE__SHIFT;
141
142	m->cp_hqd_eop_control \|=
143	ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1;
144	m->cp_hqd_eop_base_addr_lo =
145	lower_32_bits(q->eop_ring_buffer_address >> 8);
146	m->cp_hqd_eop_base_addr_hi =
147	upper_32_bits(q->eop_ring_buffer_address >> 8);
148
149	m->cp_hqd_iq_timer = atc_bit << CP_HQD_IQ_TIMER__IQ_ATC__SHIFT \|
150	mtype << CP_HQD_IQ_TIMER__MTYPE__SHIFT;
151
152	m->cp_hqd_vmid = q->vmid;
153
154	if (q->format == KFD_QUEUE_FORMAT_AQL) {
155	m->cp_hqd_pq_control \|= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK \|
156	2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT;
157	}
158
159	m->cp_hqd_active = 0;
160	q->is_active = false;
161	if (q->queue_size > 0 &&
162	q->queue_address != 0 &&
163	q->queue_percent > 0) {
164	m->cp_hqd_active = 1;
165	q->is_active = true;
166	}
167
168	return 0;
169	}
170
171
172	static int update_mqd(struct mqd_manager mm, void mqd,
173	struct queue_properties *q)
174	{
175	return __update_mqd(mm, mqd, q, MTYPE_CC, 1);
176	}
177
178	static int destroy_mqd(struct mqd_manager mm, void mqd,
179	enum kfd_preempt_type type,
180	unsigned int timeout, uint32_t pipe_id,
181	uint32_t queue_id)
182	{
183	return mm->dev->kfd2kgd->hqd_destroy
184	(mm->dev->kgd, type, timeout,
185	pipe_id, queue_id);
186	}
187
188	static void uninit_mqd(struct mqd_manager mm, void mqd,
189	struct kfd_mem_obj *mqd_mem_obj)
190	{
191	BUG_ON(!mm \|\| !mqd);
192	kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
193	}
194
195	static bool is_occupied(struct mqd_manager mm, void mqd,
196	uint64_t queue_address, uint32_t pipe_id,
197	uint32_t queue_id)
198	{
199	return mm->dev->kfd2kgd->hqd_is_occupied(
200	mm->dev->kgd, queue_address,
201	pipe_id, queue_id);
202	}
203
204	static int init_mqd_hiq(struct mqd_manager mm, void *mqd,
205	struct kfd_mem_obj *mqd_mem_obj, uint64_t gart_addr,
206	struct queue_properties *q)
207	{
208	struct vi_mqd *m;
209	int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q);
210
211	if (retval != 0)
212	return retval;
213
214	m = get_mqd(*mqd);
215
216	m->cp_hqd_pq_control \|= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT \|
217	1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT;
218
219	return retval;
220	}
221
222	static int update_mqd_hiq(struct mqd_manager mm, void mqd,
223	struct queue_properties *q)
224	{
225	struct vi_mqd *m;
226	int retval = __update_mqd(mm, mqd, q, MTYPE_UC, 0);
227
228	if (retval != 0)
229	return retval;
230
231	m = get_mqd(mqd);
232	m->cp_hqd_vmid = q->vmid;
233	return retval;
234	}
4b8f589b BG	235
4b8f589b BG	236	struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
d696d536	237	struct kfd_dev *dev)
4b8f589b	238	{
d696d536 BG	239	struct mqd_manager *mqd;
	240
	241	BUG_ON(!dev);
	242	BUG_ON(type >= KFD_MQD_TYPE_MAX);
	243
	244	pr_debug("kfd: In func %s\n", __func__);
	245
	246	mqd = kzalloc(sizeof(struct mqd_manager), GFP_KERNEL);
	247	if (!mqd)
	248	return NULL;
	249
	250	mqd->dev = dev;
	251
	252	switch (type) {
	253	case KFD_MQD_TYPE_CP:
	254	case KFD_MQD_TYPE_COMPUTE:
	255	mqd->init_mqd = init_mqd;
	256	mqd->uninit_mqd = uninit_mqd;
	257	mqd->load_mqd = load_mqd;
	258	mqd->update_mqd = update_mqd;
	259	mqd->destroy_mqd = destroy_mqd;
	260	mqd->is_occupied = is_occupied;
	261	break;
	262	case KFD_MQD_TYPE_HIQ:
	263	mqd->init_mqd = init_mqd_hiq;
	264	mqd->uninit_mqd = uninit_mqd;
	265	mqd->load_mqd = load_mqd;
	266	mqd->update_mqd = update_mqd_hiq;
	267	mqd->destroy_mqd = destroy_mqd;
	268	mqd->is_occupied = is_occupied;
	269	break;
	270	case KFD_MQD_TYPE_SDMA:
	271	break;
	272	default:
	273	kfree(mqd);
	274	return NULL;
	275	}
	276
	277	return mqd;
4b8f589b	278	}