mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-22 17:36:20 +03:00
b702c927da
The function strtobool() is implemented inline with using kstrtobool(). The function strtobool() is removed from mainline Linux 6.7 with below change. ** commit 9bf2850c9170b52a6ab052085feced55effa78ef Author: Christophe JAILLET <christophe.jaillet@wanadoo.fr> kstrtox: remove strtobool() ** Use the kstrtobool() now. Bug 4346767 Change-Id: I2b22eb4668ae2b3e693b6b3177cc23270f14b557 Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3019995 (cherry picked from commit 475e8e07cf5d22da5721e2ac21b767bfb94a2746) Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3037015 Tested-by: Jonathan Hunter <jonathanh@nvidia.com> Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2018-2022, 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 "debug_ltc.h"
|
|
#include "os_linux.h"
|
|
|
|
#include <nvgpu/gk20a.h>
|
|
#include <nvgpu/nvgpu_init.h>
|
|
|
|
#include <linux/debugfs.h>
|
|
#include <linux/uaccess.h>
|
|
|
|
static ssize_t ltc_intr_illegal_compstat_read(struct file *file,
|
|
char __user *user_buf, size_t count, loff_t *ppos)
|
|
{
|
|
char buf[3];
|
|
struct gk20a *g = file->private_data;
|
|
|
|
if (g->ltc_intr_en_illegal_compstat)
|
|
buf[0] = 'Y';
|
|
else
|
|
buf[0] = 'N';
|
|
buf[1] = '\n';
|
|
buf[2] = 0x00;
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
|
|
}
|
|
|
|
static ssize_t ltc_intr_illegal_compstat_write(struct file *file,
|
|
const char __user *user_buf, size_t count, loff_t *ppos)
|
|
{
|
|
char buf[3];
|
|
int buf_size;
|
|
bool intr_illegal_compstat_enabled;
|
|
struct gk20a *g = file->private_data;
|
|
int err;
|
|
|
|
if (!g->ops.ltc.intr.en_illegal_compstat)
|
|
return -EINVAL;
|
|
|
|
buf_size = min(count, (sizeof(buf)-1));
|
|
if (copy_from_user(buf, user_buf, buf_size))
|
|
return -EFAULT;
|
|
|
|
err = gk20a_busy(g);
|
|
if (err)
|
|
return err;
|
|
|
|
if (kstrtobool(buf, &intr_illegal_compstat_enabled) == 0) {
|
|
g->ops.ltc.intr.en_illegal_compstat(g,
|
|
intr_illegal_compstat_enabled);
|
|
g->ltc_intr_en_illegal_compstat = intr_illegal_compstat_enabled;
|
|
}
|
|
|
|
gk20a_idle(g);
|
|
|
|
return buf_size;
|
|
}
|
|
|
|
static const struct file_operations ltc_intr_illegal_compstat_fops = {
|
|
.open = simple_open,
|
|
.read = ltc_intr_illegal_compstat_read,
|
|
.write = ltc_intr_illegal_compstat_write,
|
|
};
|
|
|
|
int nvgpu_ltc_debugfs_init(struct gk20a *g)
|
|
{
|
|
struct dentry *d;
|
|
struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
|
|
struct dentry *gpu_root = l->debugfs;
|
|
|
|
l->debugfs_ltc = debugfs_create_dir("ltc", gpu_root);
|
|
if (IS_ERR_OR_NULL(l->debugfs_ltc))
|
|
return -ENODEV;
|
|
|
|
/* Debug fs node to enable/disable illegal_compstat */
|
|
d = debugfs_create_file("intr_illegal_compstat_enable", 0600,
|
|
l->debugfs_ltc, g,
|
|
<c_intr_illegal_compstat_fops);
|
|
if (!d)
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|