Date: Tue, 8 Aug 2017 04:30:23 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r322212 - head/sys/compat/linuxkpi/common/include/linux Message-ID: <201708080430.v784UN92077230@repo.freebsd.org>
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Author: markj Date: Tue Aug 8 04:30:22 2017 New Revision: 322212 URL: https://svnweb.freebsd.org/changeset/base/322212 Log: Add macros for defining attribute groups and for WO and RW attributes. Reviewed by: hselasky MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D11872 Modified: head/sys/compat/linuxkpi/common/include/linux/device.h head/sys/compat/linuxkpi/common/include/linux/sysfs.h Modified: head/sys/compat/linuxkpi/common/include/linux/device.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/device.h Tue Aug 8 04:10:46 2017 (r322211) +++ head/sys/compat/linuxkpi/common/include/linux/device.h Tue Aug 8 04:30:22 2017 (r322212) @@ -142,7 +142,13 @@ struct device_attribute { #define DEVICE_ATTR(_name, _mode, _show, _store) \ struct device_attribute dev_attr_##_name = \ - { { #_name, NULL, _mode }, _show, _store } + __ATTR(_name, _mode, _show, _store) +#define DEVICE_ATTR_RO(_name) \ + struct device_attribute dev_attr_##_name = __ATTR_RO(_name) +#define DEVICE_ATTR_WO(_name) \ + struct device_attribute dev_attr_##_name = __ATTR_WO(_name) +#define DEVICE_ATTR_RW(_name) \ + struct device_attribute dev_attr_##_name = __ATTR_RW(_name) /* Simple class attribute that is just a static string */ struct class_attribute_string { Modified: head/sys/compat/linuxkpi/common/include/linux/sysfs.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/sysfs.h Tue Aug 8 04:10:46 2017 (r322211) +++ head/sys/compat/linuxkpi/common/include/linux/sysfs.h Tue Aug 8 04:30:22 2017 (r322212) @@ -54,13 +54,20 @@ struct attribute_group { .attr = { .name = __stringify(_name), .mode = _mode }, \ .show = _show, .store = _store, \ } +#define __ATTR_RO(_name) __ATTR(_name, 0444, _name##_show, NULL) +#define __ATTR_WO(_name) __ATTR(_name, 0200, NULL, _name##_store) +#define __ATTR_RW(_name) __ATTR(_name, 0644, _name##_show, _name##_store) -#define __ATTR_RO(_name) { \ - .attr = { .name = __stringify(_name), .mode = 0444 }, \ - .show = _name##_show, \ -} - #define __ATTR_NULL { .attr = { .name = NULL } } + +#define ATTRIBUTE_GROUPS(_name) \ + static struct attribute_group _name##_group = { \ + .attrs = _name##_attrs, \ + }; \ + static struct attribute_group *_name##_groups[] = { \ + &_name##_group, \ + NULL, \ + }; /* * Handle our generic '\0' terminated 'C' string.
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