diff options
Diffstat (limited to 'drivers/dahdi/dahdi-sysfs.h')
| -rw-r--r-- | drivers/dahdi/dahdi-sysfs.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/dahdi/dahdi-sysfs.h b/drivers/dahdi/dahdi-sysfs.h new file mode 100644 index 0000000..92afbf4 --- /dev/null +++ b/drivers/dahdi/dahdi-sysfs.h @@ -0,0 +1,98 @@ +#ifndef DAHDI_SYSFS_H +#define DAHDI_SYSFS_H + +/* + * Very old hotplug support + */ +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 9) +#define OLD_HOTPLUG_SUPPORT /* for older kernels */ +#define OLD_HOTPLUG_SUPPORT_269 +#endif + +#ifdef OLD_HOTPLUG_SUPPORT_269 +/* Copy from new kernels lib/kobject_uevent.c */ +enum kobject_action { + KOBJ_ADD, + KOBJ_REMOVE, + KOBJ_CHANGE, + KOBJ_MOUNT, + KOBJ_UMOUNT, + KOBJ_OFFLINE, + KOBJ_ONLINE, +}; +#endif + +/* + * Hotplug replaced with uevent in 2.6.16 + */ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16) +#define OLD_HOTPLUG_SUPPORT /* for older kernels */ +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14) +#define DEVICE_ATTR_READER(name, dev, buf) \ + ssize_t name(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) +#define DEVICE_ATTR_WRITER(name, dev, buf, count) \ + ssize_t name(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) +#define BUS_ATTR_READER(name, dev, buf) \ + ssize_t name(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) +#define BUS_ATTR_WRITER(name, dev, buf, count) \ + ssize_t name(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) +#else +#define DEVICE_ATTR_READER(name, dev, buf) \ + ssize_t name(struct device *dev, char *buf) +#define DEVICE_ATTR_WRITER(name, dev, buf, count) \ + ssize_t name(struct device *dev, const char *buf, size_t count) +#define BUS_ATTR_READER(name, dev, buf) \ + ssize_t name(struct device *dev, char *buf) +#define BUS_ATTR_WRITER(name, dev, buf, count) \ + ssize_t name(struct device *dev, const char *buf, size_t count) +#endif + +#define DRIVER_ATTR_READER(name, drv, buf) \ + ssize_t name(struct device_driver *drv, char * buf) + +/* Device file creation macros */ + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) +#define CLASS_DEV_CREATE(class, devt, device, name) \ + device_create(class, device, devt, NULL, "%s", name) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26) +#define CLASS_DEV_CREATE(class, devt, device, name) \ + device_create(class, device, devt, name) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 15) +#define CLASS_DEV_CREATE(class, devt, device, name) \ + class_device_create(class, NULL, devt, device, name) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 13) +#define CLASS_DEV_CREATE(class, devt, device, name) \ + class_device_create(class, devt, device, name) +#else +#define CLASS_DEV_CREATE(class, devt, device, name) \ + class_simple_device_add(class, devt, device, name) +#endif + +/* Device file destruction macros */ + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26) +#define CLASS_DEV_DESTROY(class, devt) \ + device_destroy(class, devt) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 13) +#define CLASS_DEV_DESTROY(class, devt) \ + class_device_destroy(class, devt) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 9) +#define CLASS_DEV_DESTROY(class, devt) \ + class_simple_device_remove(devt) +#else +#define CLASS_DEV_DESTROY(class, devt) \ + class_simple_device_remove(class, devt) +#endif + +#endif /* DAHDI_SYSFS_H */ |