Date: Wed, 25 Jan 2023 21:38:54 GMT From: =?utf-8?Q?Jean-S=C3=A9bastien=20P=C3=A9dron?= <dumbbell@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: f2044a3030fb - main - lindebugfs: Add `debugfs_create_atomic_t()` Message-ID: <202301252138.30PLcsSd007381@gitrepo.freebsd.org>
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The branch main has been updated by dumbbell (ports committer): URL: https://cgit.FreeBSD.org/src/commit/?id=f2044a3030fb2a657e59dee4b7e5865acff936bd commit f2044a3030fb2a657e59dee4b7e5865acff936bd Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2022-12-30 10:00:57 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2023-01-25 21:26:32 +0000 lindebugfs: Add `debugfs_create_atomic_t()` Reviewed by: jfree Approved by: jfree Differential Revision: https://reviews.freebsd.org/D37915 --- sys/compat/lindebugfs/lindebugfs.c | 30 ++++++++++++++++++++++ sys/compat/linuxkpi/common/include/linux/debugfs.h | 2 ++ 2 files changed, 32 insertions(+) diff --git a/sys/compat/lindebugfs/lindebugfs.c b/sys/compat/lindebugfs/lindebugfs.c index b72ceb5e0be9..11a6dac579ac 100644 --- a/sys/compat/lindebugfs/lindebugfs.c +++ b/sys/compat/lindebugfs/lindebugfs.c @@ -69,6 +69,7 @@ __FBSDID("$FreeBSD$"); #include <compat/linux/linux_util.h> #include <fs/pseudofs/pseudofs.h> +#include <asm/atomic.h> #include <linux/compat.h> #include <linux/debugfs.h> #include <linux/fs.h> @@ -424,6 +425,35 @@ debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent, unsi } +static int +debugfs_atomic_t_get(void *data, uint64_t *value) +{ + atomic_t *atomic_data = data; + *value = atomic_read(atomic_data); + return (0); +} + +static int +debugfs_atomic_t_set(void *data, uint64_t value) +{ + atomic_t *atomic_data = data; + atomic_set(atomic_data, (int)value); + return (0); +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_atomic_t, debugfs_atomic_t_get, debugfs_atomic_t_set, "%d\n"); +DEFINE_DEBUGFS_ATTRIBUTE(fops_atomic_t_ro, debugfs_atomic_t_get, NULL, "%d\n"); +DEFINE_DEBUGFS_ATTRIBUTE(fops_atomic_t_wo, NULL, debugfs_atomic_t_set, "%d\n"); + +void +debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent, atomic_t *value) +{ + + debugfs_create_mode_unsafe(name, mode, parent, value, &fops_atomic_t, + &fops_atomic_t_ro, &fops_atomic_t_wo); +} + + static ssize_t fops_blob_read(struct file *filp, char __user *ubuf, size_t read_size, loff_t *ppos) { diff --git a/sys/compat/linuxkpi/common/include/linux/debugfs.h b/sys/compat/linuxkpi/common/include/linux/debugfs.h index 4c9f52a0bc0f..422b96006b04 100644 --- a/sys/compat/linuxkpi/common/include/linux/debugfs.h +++ b/sys/compat/linuxkpi/common/include/linux/debugfs.h @@ -84,6 +84,8 @@ void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, uint8_t *value); void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent, unsigned long *value); +void debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent, + atomic_t *value); struct dentry *debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent, struct debugfs_blob_wrapper *value);
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