1 /*
2  * Copyright © 2009 Corbin Simpson
3  * Copyright © 2015 Advanced Micro Devices, Inc.
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sub license, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
16  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
18  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * The above copyright notice and this permission notice (including the
24  * next paragraph) shall be included in all copies or substantial portions
25  * of the Software.
26  */
27 
28 #ifndef AMDGPU_WINSYS_H
29 #define AMDGPU_WINSYS_H
30 
31 #include "pipebuffer/pb_cache.h"
32 #include "pipebuffer/pb_slab.h"
33 #include "gallium/drivers/radeon/radeon_winsys.h"
34 #include "util/simple_mtx.h"
35 #include "util/u_queue.h"
36 #include <amdgpu.h>
37 
38 struct amdgpu_cs;
39 
40 #define NUM_SLAB_ALLOCATORS 3
41 
42 struct amdgpu_winsys {
43    struct pipe_reference reference;
44 
45    /* File descriptor which was passed to amdgpu_device_initialize */
46    int fd;
47 
48    struct pb_cache bo_cache;
49 
50    /* Each slab buffer can only contain suballocations of equal sizes, so we
51     * need to layer the allocators, so that we don't waste too much memory.
52     */
53    struct pb_slabs bo_slabs[NUM_SLAB_ALLOCATORS];
54    struct pb_slabs bo_slabs_encrypted[NUM_SLAB_ALLOCATORS];
55 
56    amdgpu_device_handle dev;
57 
58    simple_mtx_t bo_fence_lock;
59 
60    int num_cs; /* The number of command streams created. */
61    unsigned num_total_rejected_cs;
62    uint32_t surf_index_color;
63    uint32_t surf_index_fmask;
64    uint32_t next_bo_unique_id;
65    uint64_t allocated_vram;
66    uint64_t allocated_gtt;
67    uint64_t mapped_vram;
68    uint64_t mapped_gtt;
69    uint64_t buffer_wait_time; /* time spent in buffer_wait in ns */
70    uint64_t num_gfx_IBs;
71    uint64_t num_sdma_IBs;
72    uint64_t num_mapped_buffers;
73    uint64_t gfx_bo_list_counter;
74    uint64_t gfx_ib_size_counter;
75 
76    struct radeon_info info;
77 
78    /* multithreaded IB submission */
79    struct util_queue cs_queue;
80 
81    struct amdgpu_gpu_info amdinfo;
82    struct ac_addrlib *addrlib;
83 
84    bool check_vm;
85    bool debug_all_bos;
86    bool reserve_vmid;
87    bool zero_all_vram_allocs;
88 
89    /* List of all allocated buffers */
90    simple_mtx_t global_bo_list_lock;
91    struct list_head global_bo_list;
92    unsigned num_buffers;
93 
94    /* Single-linked list of all structs amdgpu_screen_winsys referencing this
95     * struct amdgpu_winsys
96     */
97    simple_mtx_t sws_list_lock;
98    struct amdgpu_screen_winsys *sws_list;
99 
100    /* For returning the same amdgpu_winsys_bo instance for exported
101     * and re-imported buffers. */
102    struct hash_table *bo_export_table;
103    simple_mtx_t bo_export_table_lock;
104 };
105 
106 struct amdgpu_screen_winsys {
107    struct radeon_winsys base;
108    struct amdgpu_winsys *aws;
109    int fd;
110    struct pipe_reference reference;
111    struct amdgpu_screen_winsys *next;
112 
113    /* Maps a BO to its KMS handle valid for this DRM file descriptor
114     * Protected by amdgpu_winsys::sws_list_lock
115     */
116    struct hash_table *kms_handles;
117 };
118 
119 static inline struct amdgpu_screen_winsys *
amdgpu_screen_winsys(struct radeon_winsys * base)120 amdgpu_screen_winsys(struct radeon_winsys *base)
121 {
122    return (struct amdgpu_screen_winsys*)base;
123 }
124 
125 static inline struct amdgpu_winsys *
amdgpu_winsys(struct radeon_winsys * base)126 amdgpu_winsys(struct radeon_winsys *base)
127 {
128    return amdgpu_screen_winsys(base)->aws;
129 }
130 
131 void amdgpu_surface_init_functions(struct amdgpu_screen_winsys *ws);
132 
133 #endif
134