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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-02 12:21:26 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-02 12:21:26 +0400 |
| commit | d6d5aeb661fc14655c417f3582ae7ec52985d2a8 (patch) | |
| tree | 5e168da05cb28d10b5accc74718428cfd5527201 /include/linux/sysdev.h | |
| parent | 7e6e178ab1548c8d894a77593e757acf4510b8ba (diff) | |
| parent | 94aca1dac6f6d21f4b07e4864baf7768cabcc6e7 (diff) | |
| download | linux-d6d5aeb661fc14655c417f3582ae7ec52985d2a8.tar.xz | |
Merge commit 'v2.6.27-rc8' into genirq
Diffstat (limited to 'include/linux/sysdev.h')
| -rw-r--r-- | include/linux/sysdev.h | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h index f2767bc6b735..f395bb3fa2f2 100644 --- a/include/linux/sysdev.h +++ b/include/linux/sysdev.h @@ -99,8 +99,9 @@ extern void sysdev_unregister(struct sys_device *); struct sysdev_attribute { struct attribute attr; - ssize_t (*show)(struct sys_device *, char *); - ssize_t (*store)(struct sys_device *, const char *, size_t); + ssize_t (*show)(struct sys_device *, struct sysdev_attribute *, char *); + ssize_t (*store)(struct sys_device *, struct sysdev_attribute *, + const char *, size_t); }; @@ -118,4 +119,38 @@ struct sysdev_attribute { extern int sysdev_create_file(struct sys_device *, struct sysdev_attribute *); extern void sysdev_remove_file(struct sys_device *, struct sysdev_attribute *); +struct sysdev_ext_attribute { + struct sysdev_attribute attr; + void *var; +}; + +/* + * Support for simple variable sysdev attributes. + * The pointer to the variable is stored in a sysdev_ext_attribute + */ + +/* Add more types as needed */ + +extern ssize_t sysdev_show_ulong(struct sys_device *, struct sysdev_attribute *, + char *); +extern ssize_t sysdev_store_ulong(struct sys_device *, + struct sysdev_attribute *, const char *, size_t); +extern ssize_t sysdev_show_int(struct sys_device *, struct sysdev_attribute *, + char *); +extern ssize_t sysdev_store_int(struct sys_device *, + struct sysdev_attribute *, const char *, size_t); + +#define _SYSDEV_ULONG_ATTR(_name, _mode, _var) \ + { _SYSDEV_ATTR(_name, _mode, sysdev_show_ulong, sysdev_store_ulong), \ + &(_var) } +#define SYSDEV_ULONG_ATTR(_name, _mode, _var) \ + struct sysdev_ext_attribute attr_##_name = \ + _SYSDEV_ULONG_ATTR(_name, _mode, _var); +#define _SYSDEV_INT_ATTR(_name, _mode, _var) \ + { _SYSDEV_ATTR(_name, _mode, sysdev_show_int, sysdev_store_int), \ + &(_var) } +#define SYSDEV_INT_ATTR(_name, _mode, _var) \ + struct sysdev_ext_attribute attr_##_name = \ + _SYSDEV_INT_ATTR(_name, _mode, _var); + #endif /* _SYSDEV_H_ */ |