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Diffstat (limited to 'nouveau/nouveau_reloc.c')
-rw-r--r--nouveau/nouveau_reloc.c154
1 files changed, 0 insertions, 154 deletions
diff --git a/nouveau/nouveau_reloc.c b/nouveau/nouveau_reloc.c
deleted file mode 100644
index cd219db4..00000000
--- a/nouveau/nouveau_reloc.c
+++ /dev/null
@@ -1,154 +0,0 @@
1/*
2 * Copyright 2010 Nouveau Project
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#include <stdio.h>
24#include <stdlib.h>
25#include <errno.h>
26#include <assert.h>
27
28#include "nouveau_private.h"
29
30static uint32_t
31nouveau_reloc_calc(struct drm_nouveau_gem_pushbuf_bo *pbbo,
32 struct drm_nouveau_gem_pushbuf_reloc *r)
33{
34 uint32_t push = 0;
35
36 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
37 push = (pbbo->presumed.offset + r->data);
38 else
39 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
40 push = (pbbo->presumed.offset + r->data) >> 32;
41 else
42 push = r->data;
43
44 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
45 if (pbbo->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM)
46 push |= r->vor;
47 else
48 push |= r->tor;
49 }
50
51 return push;
52}
53
54int
55nouveau_reloc_emit(struct nouveau_channel *chan, struct nouveau_bo *reloc_bo,
56 uint32_t reloc_offset, uint32_t *reloc_ptr,
57 struct nouveau_bo *bo, uint32_t data, uint32_t data2,
58 uint32_t flags, uint32_t vor, uint32_t tor)
59{
60 struct nouveau_pushbuf_priv *nvpb = &nouveau_channel(chan)->pb;
61 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
62 struct drm_nouveau_gem_pushbuf_reloc *r;
63 struct drm_nouveau_gem_pushbuf_bo *pbbo, *rpbbo;
64 uint32_t domains = 0;
65
66 if (nvpb->nr_relocs >= NOUVEAU_GEM_MAX_RELOCS) {
67 fprintf(stderr, "too many relocs!!\n");
68 return -ENOMEM;
69 }
70
71 if (nvbo->user && (flags & NOUVEAU_BO_WR)) {
72 fprintf(stderr, "write to user buffer!!\n");
73 return -EINVAL;
74 }
75
76 /* We're about to reloc a user buffer, better make sure we don't cause
77 * a double migration.
78 */
79 if (!(nvbo->flags & (NOUVEAU_BO_GART | NOUVEAU_BO_VRAM)))
80 nvbo->flags |= (flags & (NOUVEAU_BO_GART | NOUVEAU_BO_VRAM));
81
82 /* add buffer to validation list */
83 pbbo = nouveau_bo_emit_buffer(chan, bo);
84 if (!pbbo) {
85 fprintf(stderr, "buffer emit fail :(\n");
86 return -ENOMEM;
87 }
88 nouveau_bo(bo)->pending_refcnt++;
89
90 if (flags & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) {
91 if (flags & NOUVEAU_BO_VRAM)
92 domains |= NOUVEAU_GEM_DOMAIN_VRAM;
93 if (flags & NOUVEAU_BO_GART)
94 domains |= NOUVEAU_GEM_DOMAIN_GART;
95 } else
96 domains |= nvbo->domain;
97
98 if (!(pbbo->valid_domains & domains)) {
99 fprintf(stderr, "no valid domains remain!\n");
100 return -EINVAL;
101 }
102 pbbo->valid_domains &= domains;
103
104 assert(flags & NOUVEAU_BO_RDWR);
105 if (flags & NOUVEAU_BO_RD) {
106 pbbo->read_domains |= domains;
107 }
108 if (flags & NOUVEAU_BO_WR) {
109 pbbo->write_domains |= domains;
110 nvbo->write_marker = 1;
111 }
112
113 /* nvc0 gallium driver uses reloc_emit() with NULL target buffer
114 * to inform bufmgr of a buffer's use - however, we need something
115 * to track, so create a reloc for now, and hope it never triggers
116 * (it shouldn't, constant virtual address..)..
117 */
118 if (!reloc_bo) {
119 reloc_bo = nvpb->buffer[nvpb->current];
120 reloc_offset = 0;
121 reloc_ptr = NULL;
122 }
123
124 /* add reloc target bo to validation list, and create the reloc */
125 rpbbo = nouveau_bo_emit_buffer(chan, reloc_bo);
126 if (!rpbbo)
127 return -ENOMEM;
128 nouveau_bo(reloc_bo)->pending_refcnt++;
129
130 r = nvpb->relocs + nvpb->nr_relocs++;
131 r->reloc_bo_index = rpbbo - nvpb->buffers;
132 r->reloc_bo_offset = reloc_offset;
133 r->bo_index = pbbo - nvpb->buffers;
134 r->flags = 0;
135 if (flags & NOUVEAU_BO_LOW)
136 r->flags |= NOUVEAU_GEM_RELOC_LOW;
137 if (flags & NOUVEAU_BO_HIGH)
138 r->flags |= NOUVEAU_GEM_RELOC_HIGH;
139 if (flags & NOUVEAU_BO_OR)
140 r->flags |= NOUVEAU_GEM_RELOC_OR;
141 r->data = data;
142 r->vor = vor;
143 r->tor = tor;
144
145 if (reloc_ptr) {
146 if (flags & NOUVEAU_BO_DUMMY)
147 *reloc_ptr = 0;
148 else
149 *reloc_ptr = nouveau_reloc_calc(pbbo, r);
150 }
151
152 return 0;
153}
154