2 * Copyright © 2014 Advanced Micro Devices, Inc.
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:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
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.
24 #ifndef _AMDGPU_INTERNAL_H_
25 #define _AMDGPU_INTERNAL_H_
33 #include "xf86atomic.h"
35 #include "util_double_list.h"
37 #define AMDGPU_CS_MAX_RINGS 8
38 /* do not use below macro if b is not power of 2 aligned value */
39 #define __round_mask(x, y) ((__typeof__(x))((y)-1))
40 #define ROUND_UP(x, y) ((((x)-1) | __round_mask(x, y))+1)
41 #define ROUND_DOWN(x, y) ((x) & ~__round_mask(x, y))
43 #define AMDGPU_INVALID_VA_ADDRESS 0xffffffffffffffff
45 struct amdgpu_bo_va_hole {
46 struct list_head list;
51 struct amdgpu_bo_va_mgr {
53 /* the start virtual address */
56 struct list_head va_holes;
57 pthread_mutex_t bo_va_mutex;
58 uint32_t va_alignment;
62 amdgpu_device_handle dev;
65 enum amdgpu_gpu_va_range range;
68 struct amdgpu_device {
72 unsigned major_version;
73 unsigned minor_version;
75 /** List of buffer handles. Protected by bo_table_mutex. */
76 struct util_hash_table *bo_handles;
77 /** List of buffer GEM flink names. Protected by bo_table_mutex. */
78 struct util_hash_table *bo_flink_names;
79 /** This protects all hash tables. */
80 pthread_mutex_t bo_table_mutex;
81 struct drm_amdgpu_info_device dev_info;
82 struct amdgpu_gpu_info info;
83 struct amdgpu_bo_va_mgr *vamgr;
88 struct amdgpu_device *dev;
95 pthread_mutex_t cpu_access_mutex;
100 struct amdgpu_bo_list {
101 struct amdgpu_device *dev;
106 struct amdgpu_context {
107 struct amdgpu_device *dev;
108 /** Mutex for accessing fences and to maintain command submissions
110 pthread_mutex_t sequence_mutex;
119 void amdgpu_device_free_internal(amdgpu_device_handle dev);
121 void amdgpu_bo_free_internal(amdgpu_bo_handle bo);
123 struct amdgpu_bo_va_mgr* amdgpu_vamgr_get_global(struct amdgpu_device *dev);
125 void amdgpu_vamgr_reference(struct amdgpu_bo_va_mgr **dst, struct amdgpu_bo_va_mgr *src);
127 uint64_t amdgpu_vamgr_find_va(struct amdgpu_bo_va_mgr *mgr, uint64_t size,
128 uint64_t alignment, uint64_t base_required);
130 void amdgpu_vamgr_free_va(struct amdgpu_bo_va_mgr *mgr, uint64_t va,
133 int amdgpu_query_gpu_info_init(amdgpu_device_handle dev);
135 uint64_t amdgpu_cs_calculate_timeout(uint64_t timeout);
142 * Increment src and decrement dst as if we were updating references
143 * for an assignment between 2 pointers of some objects.
145 * \return true if dst is 0
147 static inline bool update_references(atomic_t *dst, atomic_t *src)
152 assert(atomic_read(src) > 0);
156 assert(atomic_read(dst) > 0);
157 return atomic_dec_and_test(dst);
164 * Assignment between two amdgpu_bo pointers with reference counting.
167 * struct amdgpu_bo *dst = ... , *src = ...;
170 * // No reference counting. Only use this when you need to move
171 * // a reference from one pointer to another.
173 * amdgpu_bo_reference(&dst, src);
174 * // Reference counters are updated. dst is decremented and src is
175 * // incremented. dst is freed if its reference counter is 0.
177 static inline void amdgpu_bo_reference(struct amdgpu_bo **dst,
178 struct amdgpu_bo *src)
180 if (update_references(&(*dst)->refcount, &src->refcount))
181 amdgpu_bo_free_internal(*dst);
186 * Assignment between two amdgpu_device pointers with reference counting.
189 * struct amdgpu_device *dst = ... , *src = ...;
192 * // No reference counting. Only use this when you need to move
193 * // a reference from one pointer to another.
195 * amdgpu_device_reference(&dst, src);
196 * // Reference counters are updated. dst is decremented and src is
197 * // incremented. dst is freed if its reference counter is 0.
199 void amdgpu_device_reference(struct amdgpu_device **dst,
200 struct amdgpu_device *src);