drivers/rapidio/rio.h

Source file repositories/reference/linux-study-clean/drivers/rapidio/rio.h

File Facts

System
Linux kernel
Corpus path
drivers/rapidio/rio.h
Extension
.h
Size
2334 bytes
Lines
54
Domain
Driver Families
Bucket
drivers/rapidio
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#include <linux/device.h>
#include <linux/list.h>
#include <linux/rio.h>

#define RIO_MAX_CHK_RETRY	3
#define RIO_MPORT_ANY		(-1)

/* Functions internal to the RIO core code */

extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
				 u8 hopcount, int ftr);
extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
				 u16 destid, u8 hopcount, u32 *rmap);
extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
			     u8 hopcount, u32 from);
extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
				    u8 hopcount);
extern int rio_lock_device(struct rio_mport *port, u16 destid,
			u8 hopcount, int wait_ms);
extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount);
extern int rio_route_add_entry(struct rio_dev *rdev,
			u16 table, u16 route_destid, u8 route_port, int lock);
extern int rio_route_get_entry(struct rio_dev *rdev, u16 table,
			u16 route_destid, u8 *route_port, int lock);
extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock);
extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
extern struct rio_net *rio_alloc_net(struct rio_mport *mport);
extern int rio_add_net(struct rio_net *net);
extern void rio_free_net(struct rio_net *net);
extern int rio_add_device(struct rio_dev *rdev);
extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state);
extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
				 u8 hopcount, u8 port_num);
extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
extern void rio_attach_device(struct rio_dev *rdev);
extern int rio_mport_scan(int mport_id);

/* Structures internal to the RIO core code */
extern const struct attribute_group *rio_dev_groups[];
extern const struct attribute_group *rio_bus_groups[];
extern const struct attribute_group *rio_mport_groups[];

#define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
#define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))

Annotation

Implementation Notes