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
|
/*
* Copyright (c) 2017-2018, 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/io.h>
#include <linux/highmem.h>
#include <linux/platform_device.h>
#include <nvgpu/log.h>
#include <nvgpu/linux/vm.h>
#include <nvgpu/bitops.h>
#include <nvgpu/nvgpu_mem.h>
#include <nvgpu/dma.h>
#include <nvgpu/hw_sim_pci.h>
#include <nvgpu/sim.h>
#include <nvgpu/io.h>
#include <nvgpu/gk20a.h>
#include "os_linux.h"
#include "module.h"
static bool _nvgpu_pci_is_simulation(struct gk20a *g, u32 sim_base)
{
u32 cfg;
bool is_simulation = false;
cfg = nvgpu_readl(g, sim_base + sim_config_r());
if (sim_config_mode_v(cfg) == sim_config_mode_enabled_v())
is_simulation = true;
return is_simulation;
}
void nvgpu_remove_sim_support_linux_pci(struct gk20a *g)
{
struct sim_nvgpu_linux *sim_linux;
bool is_simulation;
is_simulation = _nvgpu_pci_is_simulation(g, sim_r());
if (!is_simulation) {
return;
}
if (!g->sim) {
nvgpu_warn(g, "sim_gk20a not allocated");
return;
}
sim_linux = container_of(g->sim, struct sim_nvgpu_linux, sim);
if (sim_linux->regs) {
sim_writel(g->sim, sim_config_r(), sim_config_mode_disabled_v());
sim_linux->regs = NULL;
}
nvgpu_kfree(g, sim_linux);
g->sim = NULL;
}
int nvgpu_init_sim_support_linux_pci(struct gk20a *g)
{
struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
struct sim_nvgpu_linux *sim_linux;
int err = -ENOMEM;
bool is_simulation;
is_simulation = _nvgpu_pci_is_simulation(g, sim_r());
__nvgpu_set_enabled(g, NVGPU_IS_FMODEL, is_simulation);
if (!is_simulation)
return 0;
sim_linux = nvgpu_kzalloc(g, sizeof(*sim_linux));
if (!sim_linux)
return err;
g->sim = &sim_linux->sim;
g->sim->g = g;
sim_linux->regs = l->regs + sim_r();
sim_linux->remove_support_linux = nvgpu_remove_sim_support_linux_pci;
return 0;
}
|
