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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /drivers/crypto/intel/qat/qat_common/adf_pm_dbgfs.c | |
parent | Adding debian version 6.6.15-2. (diff) | |
download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_pm_dbgfs.c')
-rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_pm_dbgfs.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_pm_dbgfs.c b/drivers/crypto/intel/qat/qat_common/adf_pm_dbgfs.c new file mode 100644 index 0000000000..f0a13c1901 --- /dev/null +++ b/drivers/crypto/intel/qat/qat_common/adf_pm_dbgfs.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2023 Intel Corporation */ +#include <linux/debugfs.h> +#include <linux/fs.h> +#include <linux/kernel.h> + +#include "adf_accel_devices.h" +#include "adf_pm_dbgfs.h" + +static ssize_t pm_status_read(struct file *f, char __user *buf, size_t count, + loff_t *pos) +{ + struct adf_accel_dev *accel_dev = file_inode(f)->i_private; + struct adf_pm pm = accel_dev->power_management; + + if (pm.print_pm_status) + return pm.print_pm_status(accel_dev, buf, count, pos); + + return count; +} + +static const struct file_operations pm_status_fops = { + .owner = THIS_MODULE, + .read = pm_status_read, +}; + +void adf_pm_dbgfs_add(struct adf_accel_dev *accel_dev) +{ + struct adf_pm *pm = &accel_dev->power_management; + + if (!pm->present || !pm->print_pm_status) + return; + + pm->debugfs_pm_status = debugfs_create_file("pm_status", 0400, + accel_dev->debugfs_dir, + accel_dev, &pm_status_fops); +} + +void adf_pm_dbgfs_rm(struct adf_accel_dev *accel_dev) +{ + struct adf_pm *pm = &accel_dev->power_management; + + if (!pm->present) + return; + + debugfs_remove(pm->debugfs_pm_status); + pm->debugfs_pm_status = NULL; +} |