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> 25 #include <linux/slab.h> 26 #include "kfd_priv.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" 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 } 233 234 struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, 235 struct kfd_dev *dev) 236 { 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; 276 } 277