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path: root/drivers/misc/sgi-xp/xp_main.c
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Diffstat (limited to 'drivers/misc/sgi-xp/xp_main.c')
-rw-r--r--drivers/misc/sgi-xp/xp_main.c98
1 files changed, 44 insertions, 54 deletions
diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c
index 5f9f9c2e929..bb9257642fc 100644
--- a/drivers/misc/sgi-xp/xp_main.c
+++ b/drivers/misc/sgi-xp/xp_main.c
@@ -6,7 +6,6 @@
* Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved.
*/
-
/*
* Cross Partition (XP) base.
*
@@ -15,7 +14,6 @@
*
*/
-
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/module.h>
@@ -24,49 +22,49 @@
#include <asm/sn/sn_sal.h>
#include "xp.h"
-
/*
* Target of nofault PIO read.
*/
u64 xp_nofault_PIOR_target;
-
/*
* xpc_registrations[] keeps track of xpc_connect()'s done by the kernel-level
* users of XPC.
*/
struct xpc_registration xpc_registrations[XPC_NCHANNELS];
-
/*
* Initialize the XPC interface to indicate that XPC isn't loaded.
*/
-static enum xpc_retval xpc_notloaded(void) { return xpcNotLoaded; }
+static enum xpc_retval
+xpc_notloaded(void)
+{
+ return xpcNotLoaded;
+}
struct xpc_interface xpc_interface = {
- (void (*)(int)) xpc_notloaded,
- (void (*)(int)) xpc_notloaded,
- (enum xpc_retval (*)(partid_t, int, u32, void **)) xpc_notloaded,
- (enum xpc_retval (*)(partid_t, int, void *)) xpc_notloaded,
- (enum xpc_retval (*)(partid_t, int, void *, xpc_notify_func, void *))
- xpc_notloaded,
- (void (*)(partid_t, int, void *)) xpc_notloaded,
- (enum xpc_retval (*)(partid_t, void *)) xpc_notloaded
+ (void (*)(int))xpc_notloaded,
+ (void (*)(int))xpc_notloaded,
+ (enum xpc_retval(*)(partid_t, int, u32, void **))xpc_notloaded,
+ (enum xpc_retval(*)(partid_t, int, void *))xpc_notloaded,
+ (enum xpc_retval(*)(partid_t, int, void *, xpc_notify_func, void *))
+ xpc_notloaded,
+ (void (*)(partid_t, int, void *))xpc_notloaded,
+ (enum xpc_retval(*)(partid_t, void *))xpc_notloaded
};
-
/*
* XPC calls this when it (the XPC module) has been loaded.
*/
void
-xpc_set_interface(void (*connect)(int),
- void (*disconnect)(int),
- enum xpc_retval (*allocate)(partid_t, int, u32, void **),
- enum xpc_retval (*send)(partid_t, int, void *),
- enum xpc_retval (*send_notify)(partid_t, int, void *,
- xpc_notify_func, void *),
- void (*received)(partid_t, int, void *),
- enum xpc_retval (*partid_to_nasids)(partid_t, void *))
+xpc_set_interface(void (*connect) (int),
+ void (*disconnect) (int),
+ enum xpc_retval (*allocate) (partid_t, int, u32, void **),
+ enum xpc_retval (*send) (partid_t, int, void *),
+ enum xpc_retval (*send_notify) (partid_t, int, void *,
+ xpc_notify_func, void *),
+ void (*received) (partid_t, int, void *),
+ enum xpc_retval (*partid_to_nasids) (partid_t, void *))
{
xpc_interface.connect = connect;
xpc_interface.disconnect = disconnect;
@@ -77,28 +75,27 @@ xpc_set_interface(void (*connect)(int),
xpc_interface.partid_to_nasids = partid_to_nasids;
}
-
/*
* XPC calls this when it (the XPC module) is being unloaded.
*/
void
xpc_clear_interface(void)
{
- xpc_interface.connect = (void (*)(int)) xpc_notloaded;
- xpc_interface.disconnect = (void (*)(int)) xpc_notloaded;
- xpc_interface.allocate = (enum xpc_retval (*)(partid_t, int, u32,
- void **)) xpc_notloaded;
- xpc_interface.send = (enum xpc_retval (*)(partid_t, int, void *))
- xpc_notloaded;
- xpc_interface.send_notify = (enum xpc_retval (*)(partid_t, int, void *,
- xpc_notify_func, void *)) xpc_notloaded;
+ xpc_interface.connect = (void (*)(int))xpc_notloaded;
+ xpc_interface.disconnect = (void (*)(int))xpc_notloaded;
+ xpc_interface.allocate = (enum xpc_retval(*)(partid_t, int, u32,
+ void **))xpc_notloaded;
+ xpc_interface.send = (enum xpc_retval(*)(partid_t, int, void *))
+ xpc_notloaded;
+ xpc_interface.send_notify = (enum xpc_retval(*)(partid_t, int, void *,
+ xpc_notify_func,
+ void *))xpc_notloaded;
xpc_interface.received = (void (*)(partid_t, int, void *))
- xpc_notloaded;
- xpc_interface.partid_to_nasids = (enum xpc_retval (*)(partid_t, void *))
- xpc_notloaded;
+ xpc_notloaded;
+ xpc_interface.partid_to_nasids = (enum xpc_retval(*)(partid_t, void *))
+ xpc_notloaded;
}
-
/*
* Register for automatic establishment of a channel connection whenever
* a partition comes up.
@@ -125,11 +122,10 @@ xpc_clear_interface(void)
*/
enum xpc_retval
xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
- u16 nentries, u32 assigned_limit, u32 idle_limit)
+ u16 nentries, u32 assigned_limit, u32 idle_limit)
{
struct xpc_registration *registration;
-
DBUG_ON(ch_number < 0 || ch_number >= XPC_NCHANNELS);
DBUG_ON(payload_size == 0 || nentries == 0);
DBUG_ON(func == NULL);
@@ -162,7 +158,6 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
return xpcSuccess;
}
-
/*
* Remove the registration for automatic connection of the specified channel
* when a partition comes up.
@@ -181,7 +176,6 @@ xpc_disconnect(int ch_number)
{
struct xpc_registration *registration;
-
DBUG_ON(ch_number < 0 || ch_number >= XPC_NCHANNELS);
registration = &xpc_registrations[ch_number];
@@ -214,14 +208,12 @@ xpc_disconnect(int ch_number)
return;
}
-
int __init
xp_init(void)
{
int ret, ch_number;
- u64 func_addr = *(u64 *) xp_nofault_PIOR;
- u64 err_func_addr = *(u64 *) xp_error_PIOR;
-
+ u64 func_addr = *(u64 *)xp_nofault_PIOR;
+ u64 err_func_addr = *(u64 *)xp_error_PIOR;
if (!ia64_platform_is("sn2")) {
return -ENODEV;
@@ -237,9 +229,9 @@ xp_init(void)
* work around).
*/
if ((ret = sn_register_nofault_code(func_addr, err_func_addr,
- err_func_addr, 1, 1)) != 0) {
+ err_func_addr, 1, 1)) != 0) {
printk(KERN_ERR "XP: can't register nofault code, error=%d\n",
- ret);
+ ret);
}
/*
* Setup the nofault PIO read target. (There is no special reason why
@@ -258,22 +250,21 @@ xp_init(void)
return 0;
}
-module_init(xp_init);
+module_init(xp_init);
void __exit
xp_exit(void)
{
- u64 func_addr = *(u64 *) xp_nofault_PIOR;
- u64 err_func_addr = *(u64 *) xp_error_PIOR;
-
+ u64 func_addr = *(u64 *)xp_nofault_PIOR;
+ u64 err_func_addr = *(u64 *)xp_error_PIOR;
/* unregister the PIO read nofault code region */
- (void) sn_register_nofault_code(func_addr, err_func_addr,
- err_func_addr, 1, 0);
+ (void)sn_register_nofault_code(func_addr, err_func_addr,
+ err_func_addr, 1, 0);
}
-module_exit(xp_exit);
+module_exit(xp_exit);
MODULE_AUTHOR("Silicon Graphics, Inc.");
MODULE_DESCRIPTION("Cross Partition (XP) base");
@@ -287,4 +278,3 @@ EXPORT_SYMBOL(xpc_clear_interface);
EXPORT_SYMBOL(xpc_set_interface);
EXPORT_SYMBOL(xpc_connect);
EXPORT_SYMBOL(xpc_disconnect);
-