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
|
/*
* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/tegra_vgpu.h>
#include "gk20a/gk20a.h"
#include "gk20a/channel_gk20a.h"
#include "gk20a/platform_gk20a.h"
#include "gk20a/tsg_gk20a.h"
#include "vgpu.h"
#include <nvgpu/bug.h>
static int vgpu_tsg_open(struct tsg_gk20a *tsg)
{
struct tegra_vgpu_cmd_msg msg = {};
struct tegra_vgpu_tsg_open_params *p =
&msg.params.tsg_open;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_TSG_OPEN;
msg.handle = vgpu_get_handle(tsg->g);
p->tsg_id = tsg->tsgid;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
err = err ? err : msg.ret;
if (err) {
nvgpu_err(tsg->g,
"vgpu_tsg_open failed, tsgid %d", tsg->tsgid);
}
return err;
}
static int vgpu_tsg_bind_channel(struct tsg_gk20a *tsg,
struct channel_gk20a *ch)
{
struct tegra_vgpu_cmd_msg msg = {};
struct tegra_vgpu_tsg_bind_unbind_channel_params *p =
&msg.params.tsg_bind_unbind_channel;
int err;
gk20a_dbg_fn("");
err = gk20a_tsg_bind_channel(tsg, ch);
if (err)
return err;
msg.cmd = TEGRA_VGPU_CMD_TSG_BIND_CHANNEL;
msg.handle = vgpu_get_handle(tsg->g);
p->tsg_id = tsg->tsgid;
p->ch_handle = ch->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
err = err ? err : msg.ret;
if (err) {
nvgpu_err(tsg->g,
"vgpu_tsg_bind_channel failed, ch %d tsgid %d",
ch->chid, tsg->tsgid);
gk20a_tsg_unbind_channel(ch);
}
return err;
}
static int vgpu_tsg_unbind_channel(struct channel_gk20a *ch)
{
struct tegra_vgpu_cmd_msg msg = {};
struct tegra_vgpu_tsg_bind_unbind_channel_params *p =
&msg.params.tsg_bind_unbind_channel;
int err;
gk20a_dbg_fn("");
err = gk20a_tsg_unbind_channel(ch);
if (err)
return err;
msg.cmd = TEGRA_VGPU_CMD_TSG_UNBIND_CHANNEL;
msg.handle = vgpu_get_handle(ch->g);
p->ch_handle = ch->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
err = err ? err : msg.ret;
WARN_ON(err);
return err;
}
static int vgpu_tsg_set_timeslice(struct tsg_gk20a *tsg, u32 timeslice)
{
struct tegra_vgpu_cmd_msg msg = {0};
struct tegra_vgpu_tsg_timeslice_params *p =
&msg.params.tsg_timeslice;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_TSG_SET_TIMESLICE;
msg.handle = vgpu_get_handle(tsg->g);
p->tsg_id = tsg->tsgid;
p->timeslice_us = timeslice;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
err = err ? err : msg.ret;
WARN_ON(err);
if (!err)
tsg->timeslice_us = timeslice;
return err;
}
void vgpu_init_tsg_ops(struct gpu_ops *gops)
{
gops->fifo.tsg_bind_channel = vgpu_tsg_bind_channel;
gops->fifo.tsg_unbind_channel = vgpu_tsg_unbind_channel;
gops->fifo.tsg_set_timeslice = vgpu_tsg_set_timeslice;
gops->fifo.tsg_open = vgpu_tsg_open;
}
|
