diff options
Diffstat (limited to 'drivers/gpu/nvgpu/os')
-rw-r--r-- | drivers/gpu/nvgpu/os/linux/debug.c | 5 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/os/linux/debug_bios.c | 60 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/os/linux/debug_bios.h | 21 |
3 files changed, 85 insertions, 1 deletions
diff --git a/drivers/gpu/nvgpu/os/linux/debug.c b/drivers/gpu/nvgpu/os/linux/debug.c index 8738f3e7..c4dae9e6 100644 --- a/drivers/gpu/nvgpu/os/linux/debug.c +++ b/drivers/gpu/nvgpu/os/linux/debug.c | |||
@@ -22,6 +22,7 @@ | |||
22 | #include "debug_sched.h" | 22 | #include "debug_sched.h" |
23 | #include "debug_hal.h" | 23 | #include "debug_hal.h" |
24 | #include "debug_xve.h" | 24 | #include "debug_xve.h" |
25 | #include "debug_bios.h" | ||
25 | #include "os_linux.h" | 26 | #include "os_linux.h" |
26 | #include "platform_gk20a.h" | 27 | #include "platform_gk20a.h" |
27 | 28 | ||
@@ -434,8 +435,10 @@ void gk20a_debug_init(struct gk20a *g, const char *debugfs_symlink) | |||
434 | #ifdef CONFIG_NVGPU_TRACK_MEM_USAGE | 435 | #ifdef CONFIG_NVGPU_TRACK_MEM_USAGE |
435 | nvgpu_kmem_debugfs_init(g); | 436 | nvgpu_kmem_debugfs_init(g); |
436 | #endif | 437 | #endif |
437 | if (g->pci_vendor_id) | 438 | if (g->pci_vendor_id) { |
438 | nvgpu_xve_debugfs_init(g); | 439 | nvgpu_xve_debugfs_init(g); |
440 | nvgpu_bios_debugfs_init(g); | ||
441 | } | ||
439 | } | 442 | } |
440 | 443 | ||
441 | void gk20a_debug_deinit(struct gk20a *g) | 444 | void gk20a_debug_deinit(struct gk20a *g) |
diff --git a/drivers/gpu/nvgpu/os/linux/debug_bios.c b/drivers/gpu/nvgpu/os/linux/debug_bios.c new file mode 100644 index 00000000..f69ccf38 --- /dev/null +++ b/drivers/gpu/nvgpu/os/linux/debug_bios.c | |||
@@ -0,0 +1,60 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2018 NVIDIA Corporation. All rights reserved. | ||
3 | * | ||
4 | * This software is licensed under the terms of the GNU General Public | ||
5 | * License version 2, as published by the Free Software Foundation, and | ||
6 | * may be copied, distributed, and modified under those terms. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | */ | ||
14 | |||
15 | #include <nvgpu/types.h> | ||
16 | |||
17 | #include "debug_bios.h" | ||
18 | #include "os_linux.h" | ||
19 | |||
20 | #include <linux/debugfs.h> | ||
21 | #include <linux/uaccess.h> | ||
22 | |||
23 | static int bios_version_show(struct seq_file *s, void *unused) | ||
24 | { | ||
25 | struct gk20a *g = s->private; | ||
26 | |||
27 | seq_printf(s, "Version %02x.%02x.%02x.%02x.%02x\n", | ||
28 | (g->bios.vbios_version >> 24) & 0xFF, | ||
29 | (g->bios.vbios_version >> 16) & 0xFF, | ||
30 | (g->bios.vbios_version >> 8) & 0xFF, | ||
31 | (g->bios.vbios_version >> 0) & 0xFF, | ||
32 | (g->bios.vbios_oem_version) & 0xFF); | ||
33 | |||
34 | return 0; | ||
35 | } | ||
36 | |||
37 | static int bios_version_open(struct inode *inode, struct file *file) | ||
38 | { | ||
39 | return single_open(file, bios_version_show, inode->i_private); | ||
40 | } | ||
41 | |||
42 | static const struct file_operations bios_version_fops = { | ||
43 | .open = bios_version_open, | ||
44 | .read = seq_read, | ||
45 | .llseek = seq_lseek, | ||
46 | .release = single_release, | ||
47 | }; | ||
48 | |||
49 | |||
50 | int nvgpu_bios_debugfs_init(struct gk20a *g) | ||
51 | { | ||
52 | struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g); | ||
53 | struct dentry *gpu_root = l->debugfs; | ||
54 | |||
55 | debugfs_create_file("bios", S_IRUGO, | ||
56 | gpu_root, g, | ||
57 | &bios_version_fops); | ||
58 | |||
59 | return 0; | ||
60 | } | ||
diff --git a/drivers/gpu/nvgpu/os/linux/debug_bios.h b/drivers/gpu/nvgpu/os/linux/debug_bios.h new file mode 100644 index 00000000..f8e7783c --- /dev/null +++ b/drivers/gpu/nvgpu/os/linux/debug_bios.h | |||
@@ -0,0 +1,21 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2018 NVIDIA Corporation. All rights reserved. | ||
3 | * | ||
4 | * This software is licensed under the terms of the GNU General Public | ||
5 | * License version 2, as published by the Free Software Foundation, and | ||
6 | * may be copied, distributed, and modified under those terms. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | */ | ||
14 | |||
15 | #ifndef __NVGPU_DEBUG_BIOS_H__ | ||
16 | #define __NVGPU_DEBUG_BIOS_H__ | ||
17 | |||
18 | struct gk20a; | ||
19 | int nvgpu_bios_debugfs_init(struct gk20a *g); | ||
20 | |||
21 | #endif /* __NVGPU_DEBUG_BIOS_H__ */ | ||