r600g: userspace fence to avoid kernel call for testing bo busy status
[mesa.git] / src / gallium / winsys / r600 / drm / r600_priv.h
1 /*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Jerome Glisse
25 */
26 #ifndef R600_PRIV_H
27 #define R600_PRIV_H
28
29 #include <errno.h>
30 #include <stdint.h>
31 #include <stdlib.h>
32 #include <assert.h>
33 #include <pipebuffer/pb_bufmgr.h>
34 #include "util/u_double_list.h"
35 #include "r600.h"
36
37 struct radeon {
38 int fd;
39 int refcount;
40 unsigned device;
41 unsigned family;
42 enum chip_class chip_class;
43 struct pb_manager *kman; /* kernel bo manager */
44 struct pb_manager *cman; /* cached bo manager */
45 };
46
47 struct radeon *r600_new(int fd, unsigned device);
48 void r600_delete(struct radeon *r600);
49
50 struct r600_reg {
51 unsigned opcode;
52 unsigned offset_base;
53 unsigned offset;
54 unsigned need_bo;
55 unsigned flush_flags;
56 unsigned flush_mask;
57 };
58
59 struct radeon_bo {
60 struct pipe_reference reference;
61 unsigned handle;
62 unsigned size;
63 unsigned alignment;
64 unsigned map_count;
65 void *data;
66 struct list_head fencedlist;
67 unsigned fence;
68 struct r600_context *ctx;
69 boolean shared;
70 struct r600_reloc *reloc;
71 unsigned reloc_id;
72 unsigned last_flush;
73 };
74
75 struct r600_bo {
76 struct pipe_reference reference;
77 struct pb_buffer *pb;
78 unsigned size;
79 };
80
81
82 /* radeon_pciid.c */
83 unsigned radeon_family_from_device(unsigned device);
84
85 /* r600_drm.c */
86 struct radeon *radeon_decref(struct radeon *radeon);
87
88 /* radeon_bo.c */
89 struct radeon_bo *radeon_bo(struct radeon *radeon, unsigned handle,
90 unsigned size, unsigned alignment, void *ptr);
91 void radeon_bo_reference(struct radeon *radeon, struct radeon_bo **dst,
92 struct radeon_bo *src);
93 int radeon_bo_wait(struct radeon *radeon, struct radeon_bo *bo);
94 int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain);
95 void radeon_bo_pbmgr_flush_maps(struct pb_manager *_mgr);
96 int radeon_bo_fencelist(struct radeon *radeon, struct radeon_bo **bolist, uint32_t num_bo);
97
98
99 /* radeon_bo_pb.c */
100 struct radeon_bo *radeon_bo_pb_get_bo(struct pb_buffer *_buf);
101 struct pb_manager *radeon_bo_pbmgr_create(struct radeon *radeon);
102 struct pb_buffer *radeon_bo_pb_create_buffer_from_handle(struct pb_manager *_mgr,
103 uint32_t handle);
104
105 /* r600_hw_context.c */
106 int r600_context_init_fence(struct r600_context *ctx);
107 void r600_context_bo_reloc(struct r600_context *ctx, u32 *pm4, struct r600_bo *rbo);
108 void r600_context_bo_flush(struct r600_context *ctx, unsigned flush_flags,
109 unsigned flush_mask, struct r600_bo *rbo);
110 struct r600_bo *r600_context_reg_bo(struct r600_context *ctx, unsigned offset);
111 int r600_context_add_block(struct r600_context *ctx, const struct r600_reg *reg, unsigned nreg);
112
113 /* r600_bo.c */
114 unsigned r600_bo_get_handle(struct r600_bo *bo);
115 unsigned r600_bo_get_size(struct r600_bo *bo);
116 static INLINE struct radeon_bo *r600_bo_get_bo(struct r600_bo *bo)
117 {
118 return radeon_bo_pb_get_bo(bo->pb);
119 }
120
121 #define CTX_RANGE_ID(ctx, offset) (((offset) >> (ctx)->hash_shift) & 255)
122 #define CTX_BLOCK_ID(ctx, offset) ((offset) & ((1 << (ctx)->hash_shift) - 1))
123
124 static void inline r600_context_reg(struct r600_context *ctx,
125 unsigned offset, unsigned value,
126 unsigned mask)
127 {
128 struct r600_range *range;
129 struct r600_block *block;
130 unsigned id;
131
132 range = &ctx->range[CTX_RANGE_ID(ctx, offset)];
133 block = range->blocks[CTX_BLOCK_ID(ctx, offset)];
134 id = (offset - block->start_offset) >> 2;
135 block->reg[id] &= ~mask;
136 block->reg[id] |= value;
137 if (!(block->status & R600_BLOCK_STATUS_DIRTY)) {
138 ctx->pm4_dirty_cdwords += block->pm4_ndwords;
139 block->status |= R600_BLOCK_STATUS_ENABLED;
140 block->status |= R600_BLOCK_STATUS_DIRTY;
141 LIST_ADDTAIL(&block->list,&ctx->dirty);
142 }
143 }
144
145 static inline void r600_context_block_emit_dirty(struct r600_context *ctx, struct r600_block *block)
146 {
147 int id;
148
149 for (int j = 0; j < block->nreg; j++) {
150 if (block->pm4_bo_index[j]) {
151 /* find relocation */
152 id = block->pm4_bo_index[j];
153 r600_context_bo_reloc(ctx,
154 &block->pm4[block->reloc[id].bo_pm4_index],
155 block->reloc[id].bo);
156 r600_context_bo_flush(ctx,
157 block->reloc[id].flush_flags,
158 block->reloc[id].flush_mask,
159 block->reloc[id].bo);
160 }
161 }
162 memcpy(&ctx->pm4[ctx->pm4_cdwords], block->pm4, block->pm4_ndwords * 4);
163 ctx->pm4_cdwords += block->pm4_ndwords;
164 block->status ^= R600_BLOCK_STATUS_DIRTY;
165 }
166
167 static inline int radeon_bo_map(struct radeon *radeon, struct radeon_bo *bo)
168 {
169 bo->map_count++;
170 return 0;
171 }
172
173 static inline void radeon_bo_unmap(struct radeon *radeon, struct radeon_bo *bo)
174 {
175 bo->map_count--;
176 assert(bo->map_count >= 0);
177 }
178
179 #endif