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.
25 #ifndef _AMDGPU_INTERNAL_H_
26 #define _AMDGPU_INTERNAL_H_
35 #include "libdrm_macros.h"
36 #include "xf86atomic.h"
38 #include "util_double_list.h"
40 #define AMDGPU_CS_MAX_RINGS 8
41 /* do not use below macro if b is not power of 2 aligned value */
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))
46 #define AMDGPU_INVALID_VA_ADDRESS 0xffffffffffffffff
47 #define AMDGPU_NULL_SUBMIT_SEQ 0
49 struct amdgpu_bo_va_hole {
50 struct list_head list;
55 struct amdgpu_bo_va_mgr {
57 struct list_head va_holes;
58 pthread_mutex_t bo_va_mutex;
59 uint32_t va_alignment;
63 amdgpu_device_handle dev;
66 enum amdgpu_gpu_va_range range;
67 struct amdgpu_bo_va_mgr *vamgr;
70 struct amdgpu_device {
74 unsigned major_version;
75 unsigned minor_version;
76 uint32_t address32_hi;
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;
83 /** This protects all hash tables. */
84 pthread_mutex_t bo_table_mutex;
85 struct drm_amdgpu_info_device dev_info;
86 struct amdgpu_gpu_info info;
87 /** The VA manager for the lower virtual address space */
88 struct amdgpu_bo_va_mgr vamgr;
89 /** The VA manager for the 32bit address space */
90 struct amdgpu_bo_va_mgr vamgr_32;
91 /** The VA manager for the high virtual address space */
92 struct amdgpu_bo_va_mgr vamgr_high;
93 /** The VA manager for the 32bit high address space */
94 struct amdgpu_bo_va_mgr vamgr_high_32;
99 struct amdgpu_device *dev;
106 pthread_mutex_t cpu_access_mutex;
111 struct amdgpu_bo_list {
112 struct amdgpu_device *dev;
117 struct amdgpu_context {
118 struct amdgpu_device *dev;
119 /** Mutex for accessing fences and to maintain command submissions
121 pthread_mutex_t sequence_mutex;
124 uint64_t last_seq[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS];
125 struct list_head sem_list[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS];
129 * Structure describing sw semaphore based on scheduler
132 struct amdgpu_semaphore {
134 struct list_head list;
135 struct amdgpu_cs_fence signal_fence;
142 drm_private void amdgpu_vamgr_init(struct amdgpu_bo_va_mgr *mgr, uint64_t start,
143 uint64_t max, uint64_t alignment);
145 drm_private void amdgpu_vamgr_deinit(struct amdgpu_bo_va_mgr *mgr);
147 drm_private void amdgpu_parse_asic_ids(struct amdgpu_device *dev);
149 drm_private int amdgpu_query_gpu_info_init(amdgpu_device_handle dev);
151 drm_private uint64_t amdgpu_cs_calculate_timeout(uint64_t timeout);
158 * Increment src and decrement dst as if we were updating references
159 * for an assignment between 2 pointers of some objects.
161 * \return true if dst is 0
163 static inline bool update_references(atomic_t *dst, atomic_t *src)
168 assert(atomic_read(src) > 0);
172 assert(atomic_read(dst) > 0);
173 return atomic_dec_and_test(dst);