summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/ilo/ilo_builder_mi.h
blob: 041c4874e4908c8ec94146452a6fd9933f546332 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/*
 * Mesa 3-D graphics library
 *
 * Copyright (C) 2014 LunarG, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Chia-I Wu <olv@lunarg.com>
 */

#ifndef ILO_BUILDER_MI_H
#define ILO_BUILDER_MI_H

#include "genhw/genhw.h"
#include "intel_winsys.h"

#include "ilo_common.h"
#include "ilo_builder.h"

static inline void
gen6_MI_STORE_DATA_IMM(struct ilo_builder *builder,
                       struct intel_bo *bo, uint32_t bo_offset,
                       uint64_t val, bool store_qword)
{
   const uint8_t cmd_len = (store_qword) ? 5 : 4;
   uint32_t reloc_flags = INTEL_RELOC_WRITE;
   uint32_t *dw;
   unsigned pos;

   ILO_DEV_ASSERT(builder->dev, 6, 7.5);

   pos = ilo_builder_batch_pointer(builder, cmd_len, &dw);

   dw[0] = GEN6_MI_CMD(MI_STORE_DATA_IMM) | (cmd_len - 2);
   /* must use GGTT on GEN6 as in PIPE_CONTROL */
   if (ilo_dev_gen(builder->dev) == ILO_GEN(6)) {
      dw[0] |= GEN6_MI_STORE_DATA_IMM_DW0_USE_GGTT;
      reloc_flags |= INTEL_RELOC_GGTT;
   }

   dw[1] = 0; /* MBZ */
   dw[3] = (uint32_t) val;

   if (store_qword) {
      assert(bo_offset % 8 == 0);
      dw[4] = (uint32_t) (val >> 32);
   } else {
      assert(bo_offset % 4 == 0);
      assert(val == (uint64_t) ((uint32_t) val));
   }

   ilo_builder_batch_reloc(builder, pos + 2, bo, bo_offset, reloc_flags);
}

static inline void
gen6_MI_LOAD_REGISTER_IMM(struct ilo_builder *builder,
                          uint32_t reg, uint32_t val)
{
   const uint8_t cmd_len = 3;
   uint32_t *dw;

   ILO_DEV_ASSERT(builder->dev, 6, 7.5);

   assert(reg % 4 == 0);

   ilo_builder_batch_pointer(builder, cmd_len, &dw);

   dw[0] = GEN6_MI_CMD(MI_LOAD_REGISTER_IMM) | (cmd_len - 2);
   dw[1] = reg;
   dw[2] = val;
}

static inline void
gen6_MI_STORE_REGISTER_MEM(struct ilo_builder *builder,
                           struct intel_bo *bo, uint32_t bo_offset,
                           uint32_t reg)
{
   const uint8_t cmd_len = 3;
   uint32_t reloc_flags = INTEL_RELOC_WRITE;
   uint32_t *dw;
   unsigned pos;

   ILO_DEV_ASSERT(builder->dev, 6, 7.5);

   assert(reg % 4 == 0 && bo_offset % 4 == 0);

   pos = ilo_builder_batch_pointer(builder, cmd_len, &dw);

   dw[0] = GEN6_MI_CMD(MI_STORE_REGISTER_MEM) | (cmd_len - 2);
   /* must use GGTT on GEN6 as in PIPE_CONTROL */
   if (ilo_dev_gen(builder->dev) == ILO_GEN(6)) {
      dw[0] |= GEN6_MI_STORE_REGISTER_MEM_DW0_USE_GGTT;
      reloc_flags |= INTEL_RELOC_GGTT;
   }

   dw[1] = reg;

   ilo_builder_batch_reloc(builder, pos + 2, bo, bo_offset, reloc_flags);
}

static inline void
gen6_MI_FLUSH_DW(struct ilo_builder *builder)
{
   const uint8_t cmd_len = 4;
   uint32_t *dw;

   ILO_DEV_ASSERT(builder->dev, 6, 7.5);

   ilo_builder_batch_pointer(builder, cmd_len, &dw);

   dw[0] = GEN6_MI_CMD(MI_FLUSH_DW) | (cmd_len - 2);
   dw[1] = 0;
   dw[2] = 0;
   dw[3] = 0;
}

static inline void
gen6_MI_REPORT_PERF_COUNT(struct ilo_builder *builder,
                          struct intel_bo *bo, uint32_t bo_offset,
                          uint32_t report_id)
{
   const uint8_t cmd_len = 3;
   uint32_t reloc_flags = INTEL_RELOC_WRITE;
   uint32_t *dw;
   unsigned pos;

   ILO_DEV_ASSERT(builder->dev, 6, 7.5);

   assert(bo_offset % 64 == 0);

   /* must use GGTT on GEN6 as in PIPE_CONTROL */
   if (ilo_dev_gen(builder->dev) == ILO_GEN(6)) {
      bo_offset |= GEN6_MI_REPORT_PERF_COUNT_DW1_USE_GGTT;
      reloc_flags |= INTEL_RELOC_GGTT;
   }

   pos = ilo_builder_batch_pointer(builder, cmd_len, &dw);

   dw[0] = GEN6_MI_CMD(MI_REPORT_PERF_COUNT) | (cmd_len - 2);
   dw[2] = report_id;

   ilo_builder_batch_reloc(builder, pos + 1, bo, bo_offset, reloc_flags);
}

/**
 * Add a MI_BATCH_BUFFER_END to the batch buffer.  Pad with MI_NOOP if
 * necessary.
 */
static inline void
gen6_mi_batch_buffer_end(struct ilo_builder *builder)
{
   /*
    * From the Sandy Bridge PRM, volume 1 part 1, page 107:
    *
    *     "The batch buffer must be QWord aligned and a multiple of QWords in
    *      length."
    */
   const bool pad = !(builder->writers[ILO_BUILDER_WRITER_BATCH].used & 0x7);
   uint32_t *dw;

   ILO_DEV_ASSERT(builder->dev, 6, 7.5);

   if (pad) {
      ilo_builder_batch_pointer(builder, 2, &dw);
      dw[0] = GEN6_MI_CMD(MI_BATCH_BUFFER_END);
      dw[1] = GEN6_MI_CMD(MI_NOOP);
   } else {
      ilo_builder_batch_pointer(builder, 1, &dw);
      dw[0] = GEN6_MI_CMD(MI_BATCH_BUFFER_END);
   }
}

#endif /* ILO_BUILDER_MI_H */