initial_commit

1 files changed, 72 insertions, 0 deletions

diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h
new file mode 100644
index 00000000..b1af414f
--- /dev/null
+++ b/drivers/rapidio/rio.h
@@ -0,0 +1,72 @@
+/*
+ * RapidIO interconnect services
+ *
+ * Copyright 2005 MontaVista Software, Inc.
+ * Matt Porter <mporter@kernel.crashing.org>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/rio.h>
+
+#define RIO_MAX_CHK_RETRY	3
+
+/* 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);
+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_create_sysfs_dev_files(struct rio_dev *rdev);
+extern int rio_enum_mport(struct rio_mport *mport);
+extern int rio_disc_mport(struct rio_mport *mport);
+extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid,
+				   u8 hopcount, u16 table, u16 route_destid,
+				   u8 route_port);
+extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
+				   u8 hopcount, u16 table, u16 route_destid,
+				   u8 *route_port);
+extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
+				   u8 hopcount, u16 table);
+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);
+
+/* Structures internal to the RIO core code */
+extern struct device_attribute rio_dev_attrs[];
+extern spinlock_t rio_global_list_lock;
+
+extern struct rio_switch_ops __start_rio_switch_ops[];
+extern struct rio_switch_ops __end_rio_switch_ops[];
+
+/* Helpers internal to the RIO core code */
+#define DECLARE_RIO_SWITCH_SECTION(section, name, vid, did, init_hook) \
+	static const struct rio_switch_ops __rio_switch_##name __used \
+	__section(section) = { vid, did, init_hook };
+
+/**
+ * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine
+ * @vid: RIO vendor ID
+ * @did: RIO device ID
+ * @init_hook: Callback that performs switch-specific initialization
+ *
+ * Manipulating switch route tables and error management in RIO
+ * is switch specific. This registers a switch by vendor and device ID with
+ * initialization callback for setting up switch operations and (if required)
+ * hardware initialization. A &struct rio_switch_ops is initialized with
+ * pointer to the init routine and placed into a RIO-specific kernel section.
+ */
+#define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook)		\
+	DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \
+			vid, did, init_hook)
+
+#define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
+#define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))