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
|
/*
* Copyright (c) 2017-2020, 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/>.
*/
#ifndef NVGPU_OS_LINUX_H
#define NVGPU_OS_LINUX_H
#include <linux/cdev.h>
#include <linux/iommu.h>
#include <linux/hashtable.h>
#include <nvgpu/gk20a.h>
#include "cde.h"
#include "sched.h"
struct nvgpu_os_linux_ops {
struct {
void (*get_program_numbers)(struct gk20a *g,
u32 block_height_log2,
u32 shader_parameter,
int *hprog, int *vprog);
bool (*need_scatter_buffer)(struct gk20a *g);
int (*populate_scatter_buffer)(struct gk20a *g,
struct sg_table *sgt,
size_t surface_size,
void *scatter_buffer_ptr,
size_t scatter_buffer_size);
} cde;
struct {
int (*init_debugfs)(struct gk20a *g);
} clk;
struct {
int (*init_debugfs)(struct gk20a *g);
} therm;
struct {
int (*init_debugfs)(struct gk20a *g);
} fecs_trace;
};
struct nvgpu_os_linux {
struct gk20a g;
struct device *dev;
struct {
struct cdev cdev;
struct device *node;
} channel;
struct {
struct cdev cdev;
struct device *node;
/* see gk20a_ctrl_priv */
struct nvgpu_list_node privs;
/* guards modifications to the list and its contents */
struct nvgpu_mutex privs_lock;
} ctrl;
struct {
struct cdev cdev;
struct device *node;
} as_dev;
struct {
struct cdev cdev;
struct device *node;
} dbg;
struct {
struct cdev cdev;
struct device *node;
} prof;
struct {
struct cdev cdev;
struct device *node;
} tsg;
struct {
struct cdev cdev;
struct device *node;
} ctxsw;
struct {
struct cdev cdev;
struct device *node;
} sched;
dev_t cdev_region;
struct devfreq *devfreq;
struct device_dma_parameters dma_parms;
atomic_t hw_irq_stall_count;
atomic_t hw_irq_nonstall_count;
struct nvgpu_cond sw_irq_stall_last_handled_wq;
atomic_t sw_irq_stall_last_handled;
atomic_t nonstall_ops;
struct nvgpu_cond sw_irq_nonstall_last_handled_wq;
atomic_t sw_irq_nonstall_last_handled;
struct work_struct nonstall_fn_work;
struct workqueue_struct *nonstall_work_queue;
struct resource *reg_mem;
void __iomem *regs;
void __iomem *regs_saved;
struct resource *bar1_mem;
void __iomem *bar1;
void __iomem *bar1_saved;
void __iomem *usermode_regs;
void __iomem *usermode_regs_saved;
u64 regs_bus_addr;
struct nvgpu_os_linux_ops ops;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs;
struct dentry *debugfs_alias;
struct dentry *debugfs_ltc_enabled;
struct dentry *debugfs_timeouts_enabled;
struct dentry *debugfs_gr_idle_timeout_default;
struct dentry *debugfs_disable_bigpage;
struct dentry *debugfs_gr_default_attrib_cb_size;
struct dentry *debugfs_timeslice_low_priority_us;
struct dentry *debugfs_timeslice_medium_priority_us;
struct dentry *debugfs_timeslice_high_priority_us;
struct dentry *debugfs_runlist_interleave;
struct dentry *debugfs_allocators;
struct dentry *debugfs_xve;
struct dentry *debugfs_kmem;
struct dentry *debugfs_hal;
struct dentry *debugfs_ltc;
struct dentry *debugfs_force_preemption_cilp;
struct dentry *debugfs_force_preemption_gfxp;
struct dentry *debugfs_dump_ctxsw_stats;
#endif
DECLARE_HASHTABLE(ecc_sysfs_stats_htable, 5);
struct dev_ext_attribute *ecc_attrs;
struct gk20a_cde_app cde_app;
struct rw_semaphore busy_lock;
bool init_done;
};
static inline struct nvgpu_os_linux *nvgpu_os_linux_from_gk20a(struct gk20a *g)
{
return container_of(g, struct nvgpu_os_linux, g);
}
static inline struct device *dev_from_gk20a(struct gk20a *g)
{
return nvgpu_os_linux_from_gk20a(g)->dev;
}
#define INTERFACE_NAME "nvhost%s-gpu"
#define totalram_size_in_mb (totalram_pages >> (10 - (PAGE_SHIFT - 10)))
#endif
|
