rapidio: add Port-Write handling for EM

Add RapidIO Port-Write message handling in the context of Error
   Management Extensions Specification Rev.1.3.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/rio_drv.h b/include/linux/rio_drv.h
index c93a58a40033..edc55da717b3 100644
--- a/include/linux/rio_drv.h
+++ b/include/linux/rio_drv.h
@@ -413,6 +413,12 @@ void rio_release_regions(struct rio_dev *);
 int rio_request_region(struct rio_dev *, int, char *);
 void rio_release_region(struct rio_dev *, int);
 
+/* Port-Write management */
+extern int rio_request_inb_pwrite(struct rio_dev *,
+                        int (*)(struct rio_dev *, union rio_pw_msg*, int));
+extern int rio_release_inb_pwrite(struct rio_dev *);
+extern int rio_inb_pwrite_handler(union rio_pw_msg *pw_msg);
+
 /* LDM support */
 int rio_register_driver(struct rio_driver *);
 void rio_unregister_driver(struct rio_driver *);