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
|
/*
* Copyright 2012 Red Hat 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <assert.h>
#include <errno.h>
#include "libdrm_lists.h"
#include "nouveau.h"
#include "private.h"
struct nouveau_bufref_priv {
struct nouveau_bufref base;
struct nouveau_bufref_priv *next;
struct nouveau_bufctx *bufctx;
};
struct nouveau_bufbin_priv {
struct nouveau_bufref_priv *list;
int relocs;
};
struct nouveau_bufctx_priv {
struct nouveau_bufctx base;
struct nouveau_bufref_priv *free;
int nr_bins;
struct nouveau_bufbin_priv bins[];
};
static inline struct nouveau_bufctx_priv *
nouveau_bufctx(struct nouveau_bufctx *bctx)
{
return (struct nouveau_bufctx_priv *)bctx;
}
drm_public int
nouveau_bufctx_new(struct nouveau_client *client, int bins,
struct nouveau_bufctx **pbctx)
{
struct nouveau_bufctx_priv *priv;
priv = calloc(1, sizeof(*priv) + sizeof(priv->bins[0]) * bins);
if (priv) {
DRMINITLISTHEAD(&priv->base.head);
DRMINITLISTHEAD(&priv->base.pending);
DRMINITLISTHEAD(&priv->base.current);
priv->base.client = client;
priv->nr_bins = bins;
*pbctx = &priv->base;
return 0;
}
return -ENOMEM;
}
drm_public void
nouveau_bufctx_del(struct nouveau_bufctx **pbctx)
{
struct nouveau_bufctx_priv *pctx = nouveau_bufctx(*pbctx);
struct nouveau_bufref_priv *pref;
if (pctx) {
while (pctx->nr_bins--)
nouveau_bufctx_reset(&pctx->base, pctx->nr_bins);
while ((pref = pctx->free)) {
pctx->free = pref->next;
free(pref);
}
free(pctx);
*pbctx = NULL;
}
}
drm_public void
nouveau_bufctx_reset(struct nouveau_bufctx *bctx, int bin)
{
struct nouveau_bufctx_priv *pctx = nouveau_bufctx(bctx);
struct nouveau_bufbin_priv *pbin = &pctx->bins[bin];
struct nouveau_bufref_priv *pref;
while ((pref = pbin->list)) {
DRMLISTDELINIT(&pref->base.thead);
pbin->list = pref->next;
pref->next = pctx->free;
pctx->free = pref;
}
bctx->relocs -= pbin->relocs;
pbin->relocs = 0;
}
drm_public struct nouveau_bufref *
nouveau_bufctx_refn(struct nouveau_bufctx *bctx, int bin,
struct nouveau_bo *bo, uint32_t flags)
{
struct nouveau_bufctx_priv *pctx = nouveau_bufctx(bctx);
struct nouveau_bufbin_priv *pbin = &pctx->bins[bin];
struct nouveau_bufref_priv *pref = pctx->free;
if (!pref)
pref = malloc(sizeof(*pref));
else
pctx->free = pref->next;
if (pref) {
pref->base.bo = bo;
pref->base.flags = flags;
pref->base.packet = 0;
DRMLISTADDTAIL(&pref->base.thead, &bctx->pending);
pref->bufctx = bctx;
pref->next = pbin->list;
pbin->list = pref;
}
return &pref->base;
}
drm_public struct nouveau_bufref *
nouveau_bufctx_mthd(struct nouveau_bufctx *bctx, int bin, uint32_t packet,
struct nouveau_bo *bo, uint64_t data, uint32_t flags,
uint32_t vor, uint32_t tor)
{
struct nouveau_bufctx_priv *pctx = nouveau_bufctx(bctx);
struct nouveau_bufbin_priv *pbin = &pctx->bins[bin];
struct nouveau_bufref *bref = nouveau_bufctx_refn(bctx, bin, bo, flags);
if (bref) {
bref->packet = packet;
bref->data = data;
bref->vor = vor;
bref->tor = tor;
pbin->relocs++;
bctx->relocs++;
}
return bref;
}
|
