Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2014 Advanced Micro Devices, Inc. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be included in |
| 13 | * all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 21 | * OTHER DEALINGS IN THE SOFTWARE. |
Emil Velikov | a30da8e | 2015-08-07 17:20:51 +0100 | [diff] [blame] | 22 | * |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 23 | */ |
| 24 | |
| 25 | #ifndef _AMDGPU_INTERNAL_H_ |
| 26 | #define _AMDGPU_INTERNAL_H_ |
| 27 | |
| 28 | #ifdef HAVE_CONFIG_H |
| 29 | #include "config.h" |
| 30 | #endif |
| 31 | |
| 32 | #include <assert.h> |
| 33 | #include <pthread.h> |
Emil Velikov | b471818 | 2015-08-07 16:54:29 +0100 | [diff] [blame] | 34 | |
| 35 | #include "libdrm_macros.h" |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 36 | #include "xf86atomic.h" |
| 37 | #include "amdgpu.h" |
| 38 | #include "util_double_list.h" |
| 39 | |
| 40 | #define AMDGPU_CS_MAX_RINGS 8 |
monk.liu | 2f2c8ac | 2015-04-23 13:18:59 +0800 | [diff] [blame] | 41 | /* do not use below macro if b is not power of 2 aligned value */ |
Jack Xiao | 7454779 | 2015-05-07 16:07:03 +0800 | [diff] [blame] | 42 | #define __round_mask(x, y) ((__typeof__(x))((y)-1)) |
| 43 | #define ROUND_UP(x, y) ((((x)-1) | __round_mask(x, y))+1) |
| 44 | #define ROUND_DOWN(x, y) ((x) & ~__round_mask(x, y)) |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 45 | |
Jammy Zhou | 241cf6d | 2015-05-13 01:14:11 +0800 | [diff] [blame] | 46 | #define AMDGPU_INVALID_VA_ADDRESS 0xffffffffffffffff |
Ken Wang | f884af9 | 2016-02-04 13:52:22 +0800 | [diff] [blame^] | 47 | #define AMDGPU_NULL_SUBMIT_SEQ 0 |
Jammy Zhou | 241cf6d | 2015-05-13 01:14:11 +0800 | [diff] [blame] | 48 | |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 49 | struct amdgpu_bo_va_hole { |
| 50 | struct list_head list; |
| 51 | uint64_t offset; |
| 52 | uint64_t size; |
| 53 | }; |
| 54 | |
| 55 | struct amdgpu_bo_va_mgr { |
| 56 | /* the start virtual address */ |
| 57 | uint64_t va_offset; |
Jammy Zhou | 241cf6d | 2015-05-13 01:14:11 +0800 | [diff] [blame] | 58 | uint64_t va_max; |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 59 | struct list_head va_holes; |
| 60 | pthread_mutex_t bo_va_mutex; |
| 61 | uint32_t va_alignment; |
| 62 | }; |
| 63 | |
Sabre Shao | 23fab59 | 2015-07-09 13:50:36 +0800 | [diff] [blame] | 64 | struct amdgpu_va { |
| 65 | amdgpu_device_handle dev; |
| 66 | uint64_t address; |
| 67 | uint64_t size; |
| 68 | enum amdgpu_gpu_va_range range; |
Jammy Zhou | ffa305d | 2015-08-17 11:09:08 +0800 | [diff] [blame] | 69 | struct amdgpu_bo_va_mgr *vamgr; |
Sabre Shao | 23fab59 | 2015-07-09 13:50:36 +0800 | [diff] [blame] | 70 | }; |
| 71 | |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 72 | struct amdgpu_device { |
| 73 | atomic_t refcount; |
| 74 | int fd; |
| 75 | int flink_fd; |
| 76 | unsigned major_version; |
| 77 | unsigned minor_version; |
| 78 | |
| 79 | /** List of buffer handles. Protected by bo_table_mutex. */ |
| 80 | struct util_hash_table *bo_handles; |
| 81 | /** List of buffer GEM flink names. Protected by bo_table_mutex. */ |
| 82 | struct util_hash_table *bo_flink_names; |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 83 | /** This protects all hash tables. */ |
| 84 | pthread_mutex_t bo_table_mutex; |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 85 | struct drm_amdgpu_info_device dev_info; |
| 86 | struct amdgpu_gpu_info info; |
Jammy Zhou | ffa305d | 2015-08-17 11:09:08 +0800 | [diff] [blame] | 87 | /** The global VA manager for the whole virtual address space */ |
Ken Wang | 322d02d | 2015-05-21 17:21:21 +0800 | [diff] [blame] | 88 | struct amdgpu_bo_va_mgr *vamgr; |
Jammy Zhou | ffa305d | 2015-08-17 11:09:08 +0800 | [diff] [blame] | 89 | /** The VA manager for the 32bit address space */ |
| 90 | struct amdgpu_bo_va_mgr *vamgr_32; |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 91 | }; |
| 92 | |
| 93 | struct amdgpu_bo { |
| 94 | atomic_t refcount; |
| 95 | struct amdgpu_device *dev; |
| 96 | |
| 97 | uint64_t alloc_size; |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 98 | |
| 99 | uint32_t handle; |
| 100 | uint32_t flink_name; |
| 101 | |
| 102 | pthread_mutex_t cpu_access_mutex; |
| 103 | void *cpu_ptr; |
| 104 | int cpu_map_count; |
| 105 | }; |
| 106 | |
Christian König | 6dc2eaf | 2015-04-22 14:52:34 +0200 | [diff] [blame] | 107 | struct amdgpu_bo_list { |
| 108 | struct amdgpu_device *dev; |
| 109 | |
| 110 | uint32_t handle; |
| 111 | }; |
| 112 | |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 113 | struct amdgpu_context { |
Christian König | 9c2afff | 2015-04-22 12:21:13 +0200 | [diff] [blame] | 114 | struct amdgpu_device *dev; |
Marek Olšák | 6afadea | 2016-01-12 22:13:07 +0100 | [diff] [blame] | 115 | /** Mutex for accessing fences and to maintain command submissions |
| 116 | in good sequence. */ |
| 117 | pthread_mutex_t sequence_mutex; |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 118 | /* context id*/ |
| 119 | uint32_t id; |
Marek Olšák | 6afadea | 2016-01-12 22:13:07 +0100 | [diff] [blame] | 120 | uint64_t last_seq[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS]; |
| 121 | struct list_head sem_list[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS]; |
| 122 | }; |
| 123 | |
| 124 | /** |
| 125 | * Structure describing sw semaphore based on scheduler |
| 126 | * |
| 127 | */ |
| 128 | struct amdgpu_semaphore { |
| 129 | atomic_t refcount; |
| 130 | struct list_head list; |
| 131 | struct amdgpu_cs_fence signal_fence; |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 132 | }; |
| 133 | |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 134 | /** |
| 135 | * Functions. |
| 136 | */ |
| 137 | |
Emil Velikov | bddf4df | 2015-08-07 17:09:35 +0100 | [diff] [blame] | 138 | drm_private void amdgpu_bo_free_internal(amdgpu_bo_handle bo); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 139 | |
Jammy Zhou | ffa305d | 2015-08-17 11:09:08 +0800 | [diff] [blame] | 140 | drm_private void amdgpu_vamgr_init(struct amdgpu_bo_va_mgr *mgr, uint64_t start, |
| 141 | uint64_t max, uint64_t alignment); |
| 142 | |
| 143 | drm_private void amdgpu_vamgr_deinit(struct amdgpu_bo_va_mgr *mgr); |
| 144 | |
Emil Velikov | b471818 | 2015-08-07 16:54:29 +0100 | [diff] [blame] | 145 | drm_private uint64_t |
| 146 | amdgpu_vamgr_find_va(struct amdgpu_bo_va_mgr *mgr, uint64_t size, |
| 147 | uint64_t alignment, uint64_t base_required); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 148 | |
Emil Velikov | b471818 | 2015-08-07 16:54:29 +0100 | [diff] [blame] | 149 | drm_private void |
| 150 | amdgpu_vamgr_free_va(struct amdgpu_bo_va_mgr *mgr, uint64_t va, uint64_t size); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 151 | |
Emil Velikov | bddf4df | 2015-08-07 17:09:35 +0100 | [diff] [blame] | 152 | drm_private int amdgpu_query_gpu_info_init(amdgpu_device_handle dev); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 153 | |
Emil Velikov | bddf4df | 2015-08-07 17:09:35 +0100 | [diff] [blame] | 154 | drm_private uint64_t amdgpu_cs_calculate_timeout(uint64_t timeout); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 155 | |
| 156 | /** |
| 157 | * Inline functions. |
| 158 | */ |
| 159 | |
| 160 | /** |
| 161 | * Increment src and decrement dst as if we were updating references |
| 162 | * for an assignment between 2 pointers of some objects. |
| 163 | * |
| 164 | * \return true if dst is 0 |
| 165 | */ |
| 166 | static inline bool update_references(atomic_t *dst, atomic_t *src) |
| 167 | { |
| 168 | if (dst != src) { |
| 169 | /* bump src first */ |
| 170 | if (src) { |
| 171 | assert(atomic_read(src) > 0); |
| 172 | atomic_inc(src); |
| 173 | } |
| 174 | if (dst) { |
| 175 | assert(atomic_read(dst) > 0); |
| 176 | return atomic_dec_and_test(dst); |
| 177 | } |
| 178 | } |
| 179 | return false; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Assignment between two amdgpu_bo pointers with reference counting. |
| 184 | * |
| 185 | * Usage: |
| 186 | * struct amdgpu_bo *dst = ... , *src = ...; |
| 187 | * |
| 188 | * dst = src; |
| 189 | * // No reference counting. Only use this when you need to move |
| 190 | * // a reference from one pointer to another. |
| 191 | * |
| 192 | * amdgpu_bo_reference(&dst, src); |
| 193 | * // Reference counters are updated. dst is decremented and src is |
| 194 | * // incremented. dst is freed if its reference counter is 0. |
| 195 | */ |
| 196 | static inline void amdgpu_bo_reference(struct amdgpu_bo **dst, |
| 197 | struct amdgpu_bo *src) |
| 198 | { |
| 199 | if (update_references(&(*dst)->refcount, &src->refcount)) |
| 200 | amdgpu_bo_free_internal(*dst); |
| 201 | *dst = src; |
| 202 | } |
| 203 | |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 204 | #endif |