Date: Sat, 22 Jan 2022 19:36:22 GMT From: Vladimir Kondratyev <wulf@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 9e736b8b8a1e - stable/13 - LinuxKPI: Implement default sysfs kobject attribute operations Message-ID: <202201221936.20MJaM59099941@gitrepo.freebsd.org>
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The branch stable/13 has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=9e736b8b8a1ec017a4c977385a3e2a33e4b54670 commit 9e736b8b8a1ec017a4c977385a3e2a33e4b54670 Author: Vladimir Kondratyev <wulf@FreeBSD.org> AuthorDate: 2021-11-23 09:09:42 +0000 Commit: Vladimir Kondratyev <wulf@FreeBSD.org> CommitDate: 2022-01-22 19:34:36 +0000 LinuxKPI: Implement default sysfs kobject attribute operations Required by drm-kmod 5.7 MFC after: 1 week Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D33292 (cherry picked from commit 04d42cb453888cbda0fb81d38bd722962ca6fc03) --- sys/compat/linuxkpi/common/include/linux/kobject.h | 2 ++ sys/compat/linuxkpi/common/src/linux_compat.c | 30 ++++++++++++++++++++++ 2 files changed, 32 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/kobject.h b/sys/compat/linuxkpi/common/include/linux/kobject.h index 403ec1495c32..8108375ed07e 100644 --- a/sys/compat/linuxkpi/common/include/linux/kobject.h +++ b/sys/compat/linuxkpi/common/include/linux/kobject.h @@ -68,6 +68,8 @@ struct attribute { mode_t mode; }; +extern const struct sysfs_ops kobj_sysfs_ops; + struct kobj_attribute { struct attribute attr; ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr, diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c index 9c6ed96c19b6..666a1bd07970 100644 --- a/sys/compat/linuxkpi/common/src/linux_compat.c +++ b/sys/compat/linuxkpi/common/src/linux_compat.c @@ -281,6 +281,36 @@ const struct kobj_type linux_kfree_type = { .release = linux_kobject_kfree }; +static ssize_t +lkpi_kobj_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) +{ + struct kobj_attribute *ka = + container_of(attr, struct kobj_attribute, attr); + + if (ka->show == NULL) + return (-EIO); + + return (ka->show(kobj, ka, buf)); +} + +static ssize_t +lkpi_kobj_attr_store(struct kobject *kobj, struct attribute *attr, + const char *buf, size_t count) +{ + struct kobj_attribute *ka = + container_of(attr, struct kobj_attribute, attr); + + if (ka->store == NULL) + return (-EIO); + + return (ka->store(kobj, ka, buf, count)); +} + +const struct sysfs_ops kobj_sysfs_ops = { + .show = lkpi_kobj_attr_show, + .store = lkpi_kobj_attr_store, +}; + static void linux_device_release(struct device *dev) {
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