diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/attribute_container.h | 12 | ||||
| -rw-r--r-- | include/linux/bio.h | 6 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 10 | ||||
| -rw-r--r-- | include/linux/raid_class.h | 59 | ||||
| -rw-r--r-- | include/linux/transport_class.h | 11 |
5 files changed, 84 insertions, 14 deletions
diff --git a/include/linux/attribute_container.h b/include/linux/attribute_container.h index af1010b6dab..93bfb0beb62 100644 --- a/include/linux/attribute_container.h +++ b/include/linux/attribute_container.h @@ -11,10 +11,12 @@ #include <linux/device.h> #include <linux/list.h> +#include <linux/klist.h> +#include <linux/spinlock.h> struct attribute_container { struct list_head node; - struct list_head containers; + struct klist containers; struct class *class; struct class_device_attribute **attrs; int (*match)(struct attribute_container *, struct device *); @@ -62,12 +64,8 @@ int attribute_container_add_class_device_adapter(struct attribute_container *con struct class_device *classdev); void attribute_container_remove_attrs(struct class_device *classdev); void attribute_container_class_device_del(struct class_device *classdev); - - - - - - +struct attribute_container *attribute_container_classdev_to_container(struct class_device *); +struct class_device *attribute_container_find_class_device(struct attribute_container *, struct device *); struct class_device_attribute **attribute_container_classdev_to_attrs(const struct class_device *classdev); #endif diff --git a/include/linux/bio.h b/include/linux/bio.h index 69e047989f1..cdaf03a14a5 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -295,7 +295,13 @@ extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int); extern int bio_get_nr_vecs(struct block_device *); extern struct bio *bio_map_user(struct request_queue *, struct block_device *, unsigned long, unsigned int, int); +struct sg_iovec; +extern struct bio *bio_map_user_iov(struct request_queue *, + struct block_device *, + struct sg_iovec *, int, int); extern void bio_unmap_user(struct bio *); +extern struct bio *bio_map_kern(struct request_queue *, void *, unsigned int, + unsigned int); extern void bio_set_pages_dirty(struct bio *bio); extern void bio_check_pages_dirty(struct bio *bio); extern struct bio *bio_copy_user(struct request_queue *, unsigned long, unsigned int, int); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 19bd8e7e11b..aefa26fbae8 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -563,10 +563,12 @@ extern void blk_sync_queue(struct request_queue *q); extern void __blk_stop_queue(request_queue_t *q); extern void blk_run_queue(request_queue_t *); extern void blk_queue_activity_fn(request_queue_t *, activity_fn *, void *); -extern struct request *blk_rq_map_user(request_queue_t *, int, void __user *, unsigned int); -extern int blk_rq_unmap_user(struct request *, struct bio *, unsigned int); -extern int blk_execute_rq(request_queue_t *, struct gendisk *, struct request *); - +extern int blk_rq_map_user(request_queue_t *, struct request *, void __user *, unsigned int); +extern int blk_rq_unmap_user(struct bio *, unsigned int); +extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned int, unsigned int); +extern int blk_rq_map_user_iov(request_queue_t *, struct request *, struct sg_iovec *, int); +extern int blk_execute_rq(request_queue_t *, struct gendisk *, + struct request *, int); static inline request_queue_t *bdev_get_queue(struct block_device *bdev) { return bdev->bd_disk->queue; diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h new file mode 100644 index 00000000000..a71123c2827 --- /dev/null +++ b/include/linux/raid_class.h @@ -0,0 +1,59 @@ +/* + */ +#include <linux/transport_class.h> + +struct raid_template { + struct transport_container raid_attrs; +}; + +struct raid_function_template { + void *cookie; + int (*is_raid)(struct device *); + void (*get_resync)(struct device *); + void (*get_state)(struct device *); +}; + +enum raid_state { + RAID_ACTIVE = 1, + RAID_DEGRADED, + RAID_RESYNCING, + RAID_OFFLINE, +}; + +struct raid_data { + struct list_head component_list; + int component_count; + int level; + enum raid_state state; + int resync; +}; + +#define DEFINE_RAID_ATTRIBUTE(type, attr) \ +static inline void \ +raid_set_##attr(struct raid_template *r, struct device *dev, type value) { \ + struct class_device *cdev = \ + attribute_container_find_class_device(&r->raid_attrs.ac, dev);\ + struct raid_data *rd; \ + BUG_ON(!cdev); \ + rd = class_get_devdata(cdev); \ + rd->attr = value; \ +} \ +static inline type \ +raid_get_##attr(struct raid_template *r, struct device *dev) { \ + struct class_device *cdev = \ + attribute_container_find_class_device(&r->raid_attrs.ac, dev);\ + struct raid_data *rd; \ + BUG_ON(!cdev); \ + rd = class_get_devdata(cdev); \ + return rd->attr; \ +} + +DEFINE_RAID_ATTRIBUTE(int, level) +DEFINE_RAID_ATTRIBUTE(int, resync) +DEFINE_RAID_ATTRIBUTE(enum raid_state, state) + +struct raid_template *raid_class_attach(struct raid_function_template *); +void raid_class_release(struct raid_template *); + +void raid_component_add(struct raid_template *, struct device *, + struct device *); diff --git a/include/linux/transport_class.h b/include/linux/transport_class.h index 87d98d1faef..1d6cc22e5f4 100644 --- a/include/linux/transport_class.h +++ b/include/linux/transport_class.h @@ -12,11 +12,16 @@ #include <linux/device.h> #include <linux/attribute_container.h> +struct transport_container; + struct transport_class { struct class class; - int (*setup)(struct device *); - int (*configure)(struct device *); - int (*remove)(struct device *); + int (*setup)(struct transport_container *, struct device *, + struct class_device *); + int (*configure)(struct transport_container *, struct device *, + struct class_device *); + int (*remove)(struct transport_container *, struct device *, + struct class_device *); }; #define DECLARE_TRANSPORT_CLASS(cls, nm, su, rm, cfg) \ |