2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <linux/printk.h>
25 #include <linux/slab.h>
27 #include "kfd_mqd_manager.h"
28 #include "vi_structs.h"
29 #include "gca/gfx_8_0_sh_mask.h"
30 #include "gca/gfx_8_0_enum.h"
32 #define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8
34 static inline struct vi_mqd *get_mqd(void *mqd)
36 return (struct vi_mqd *)mqd;
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)
47 retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct vi_mqd),
52 m = (struct vi_mqd *) (*mqd_mem_obj)->cpu_ptr;
53 addr = (*mqd_mem_obj)->gpu_addr;
55 memset(m, 0, sizeof(struct vi_mqd));
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;
64 m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK |
65 0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT;
67 m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT |
68 MTYPE_UC << CP_MQD_CONTROL__MTYPE__SHIFT;
70 m->cp_mqd_base_addr_lo = lower_32_bits(addr);
71 m->cp_mqd_base_addr_hi = upper_32_bits(addr);
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;
77 m->cp_hqd_pipe_priority = 1;
78 m->cp_hqd_queue_priority = 15;
80 m->cp_hqd_eop_rptr = 1 << CP_HQD_EOP_RPTR__INIT_FETCHER__SHIFT;
82 if (q->format == KFD_QUEUE_FORMAT_AQL)
83 m->cp_hqd_iq_rptr = 1;
86 if (gart_addr != NULL)
88 retval = mm->update_mqd(mm, m, q);
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)
97 return mm->dev->kfd2kgd->hqd_load
98 (mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
101 static int __update_mqd(struct mqd_manager *mm, void *mqd,
102 struct queue_properties *q, unsigned int mtype,
103 unsigned int atc_bit)
107 BUG_ON(!mm || !q || !mqd);
109 pr_debug("kfd: In func %s\n", __func__);
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);
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);
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);
126 m->cp_hqd_pq_doorbell_control =
127 1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_EN__SHIFT |
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);
133 m->cp_hqd_eop_control = atc_bit << CP_HQD_EOP_CONTROL__EOP_ATC__SHIFT |
134 mtype << CP_HQD_EOP_CONTROL__MTYPE__SHIFT;
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;
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);
147 m->cp_hqd_iq_timer = atc_bit << CP_HQD_IQ_TIMER__IQ_ATC__SHIFT |
148 mtype << CP_HQD_IQ_TIMER__MTYPE__SHIFT;
150 m->cp_hqd_vmid = q->vmid;
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;
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;
170 static int update_mqd(struct mqd_manager *mm, void *mqd,
171 struct queue_properties *q)
173 return __update_mqd(mm, mqd, q, MTYPE_CC, 1);
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,
181 return mm->dev->kfd2kgd->hqd_destroy
182 (mm->dev->kgd, type, timeout,
186 static void uninit_mqd(struct mqd_manager *mm, void *mqd,
187 struct kfd_mem_obj *mqd_mem_obj)
190 kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
193 static bool is_occupied(struct mqd_manager *mm, void *mqd,
194 uint64_t queue_address, uint32_t pipe_id,
197 return mm->dev->kfd2kgd->hqd_is_occupied(
198 mm->dev->kgd, queue_address,
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)
207 int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q);
214 m->cp_hqd_pq_control |= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT |
215 1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT;
220 static int update_mqd_hiq(struct mqd_manager *mm, void *mqd,
221 struct queue_properties *q)
224 int retval = __update_mqd(mm, mqd, q, MTYPE_UC, 0);
230 m->cp_hqd_vmid = q->vmid;
234 struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
237 struct mqd_manager *mqd;
240 BUG_ON(type >= KFD_MQD_TYPE_MAX);
242 pr_debug("kfd: In func %s\n", __func__);
244 mqd = kzalloc(sizeof(struct mqd_manager), GFP_KERNEL);
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;
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;
268 case KFD_MQD_TYPE_SDMA: