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-rw-r--r--include/linux/rio.h25
1 files changed, 19 insertions, 6 deletions
diff --git a/include/linux/rio.h b/include/linux/rio.h
index ff681ebba585..4e37a7cfa726 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -24,6 +24,7 @@
24#define RIO_NO_HOPCOUNT -1 24#define RIO_NO_HOPCOUNT -1
25#define RIO_INVALID_DESTID 0xffff 25#define RIO_INVALID_DESTID 0xffff
26 26
27#define RIO_MAX_MPORTS 8
27#define RIO_MAX_MPORT_RESOURCES 16 28#define RIO_MAX_MPORT_RESOURCES 16
28#define RIO_MAX_DEV_RESOURCES 16 29#define RIO_MAX_DEV_RESOURCES 16
29 30
@@ -241,7 +242,7 @@ struct rio_mport {
241 struct rio_msg inb_msg[RIO_MAX_MBOX]; 242 struct rio_msg inb_msg[RIO_MAX_MBOX];
242 struct rio_msg outb_msg[RIO_MAX_MBOX]; 243 struct rio_msg outb_msg[RIO_MAX_MBOX];
243 int host_deviceid; /* Host device ID */ 244 int host_deviceid; /* Host device ID */
244 struct rio_ops *ops; /* maintenance transaction functions */ 245 struct rio_ops *ops; /* low-level architecture-dependent routines */
245 unsigned char id; /* port ID, unique among all ports */ 246 unsigned char id; /* port ID, unique among all ports */
246 unsigned char index; /* port index, unique among all port 247 unsigned char index; /* port index, unique among all port
247 interfaces of the same type */ 248 interfaces of the same type */
@@ -285,6 +286,13 @@ struct rio_net {
285 * @cwrite: Callback to perform network write of config space. 286 * @cwrite: Callback to perform network write of config space.
286 * @dsend: Callback to send a doorbell message. 287 * @dsend: Callback to send a doorbell message.
287 * @pwenable: Callback to enable/disable port-write message handling. 288 * @pwenable: Callback to enable/disable port-write message handling.
289 * @open_outb_mbox: Callback to initialize outbound mailbox.
290 * @close_outb_mbox: Callback to shut down outbound mailbox.
291 * @open_inb_mbox: Callback to initialize inbound mailbox.
292 * @close_inb_mbox: Callback to shut down inbound mailbox.
293 * @add_outb_message: Callback to add a message to an outbound mailbox queue.
294 * @add_inb_buffer: Callback to add a buffer to an inbound mailbox queue.
295 * @get_inb_message: Callback to get a message from an inbound mailbox queue.
288 */ 296 */
289struct rio_ops { 297struct rio_ops {
290 int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len, 298 int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len,
@@ -297,6 +305,16 @@ struct rio_ops {
297 u8 hopcount, u32 offset, int len, u32 data); 305 u8 hopcount, u32 offset, int len, u32 data);
298 int (*dsend) (struct rio_mport *mport, int index, u16 destid, u16 data); 306 int (*dsend) (struct rio_mport *mport, int index, u16 destid, u16 data);
299 int (*pwenable) (struct rio_mport *mport, int enable); 307 int (*pwenable) (struct rio_mport *mport, int enable);
308 int (*open_outb_mbox)(struct rio_mport *mport, void *dev_id,
309 int mbox, int entries);
310 void (*close_outb_mbox)(struct rio_mport *mport, int mbox);
311 int (*open_inb_mbox)(struct rio_mport *mport, void *dev_id,
312 int mbox, int entries);
313 void (*close_inb_mbox)(struct rio_mport *mport, int mbox);
314 int (*add_outb_message)(struct rio_mport *mport, struct rio_dev *rdev,
315 int mbox, void *buffer, size_t len);
316 int (*add_inb_buffer)(struct rio_mport *mport, int mbox, void *buf);
317 void *(*get_inb_message)(struct rio_mport *mport, int mbox);
300}; 318};
301 319
302#define RIO_RESOURCE_MEM 0x00000100 320#define RIO_RESOURCE_MEM 0x00000100
@@ -378,12 +396,7 @@ union rio_pw_msg {
378}; 396};
379 397
380/* Architecture and hardware-specific functions */ 398/* Architecture and hardware-specific functions */
381extern int rio_init_mports(void);
382extern void rio_register_mport(struct rio_mport *); 399extern void rio_register_mport(struct rio_mport *);
383extern int rio_hw_add_outb_message(struct rio_mport *, struct rio_dev *, int,
384 void *, size_t);
385extern int rio_hw_add_inb_buffer(struct rio_mport *, int, void *);
386extern void *rio_hw_get_inb_message(struct rio_mport *, int);
387extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int); 400extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int);
388extern void rio_close_inb_mbox(struct rio_mport *, int); 401extern void rio_close_inb_mbox(struct rio_mport *, int);
389extern int rio_open_outb_mbox(struct rio_mport *, void *, int, int); 402extern int rio_open_outb_mbox(struct rio_mport *, void *, int, int);