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sgi-xp: enable building of XPC/XPNET on x86_64

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Get XPC/XPNET to build on x86_64.  Trying to modprobe them up on a non-UV
or sn2 system will result in a -ENODEV.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dean Nelson
2008-07-29 22:34:16 -07:00
committed by Linus Torvalds
parent 81fe7883d2
commit 261f3b4979
12 changed files with 156 additions and 127 deletions
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34
drivers/misc/sgi-xp/xpc.h
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@ -13,17 +13,10 @@
#ifndef _DRIVERS_MISC_SGIXP_XPC_H
#define _DRIVERS_MISC_SGIXP_XPC_H
#include <linux/interrupt.h>
#include <linux/sysctl.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/wait.h>
#include <linux/completion.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/sn/clksupport.h>
#include <asm/sn/addrs.h>
#include <asm/sn/mspec.h>
#include <asm/sn/shub_mmr.h>
#include <linux/timer.h>
#include <linux/sched.h>
#include "xp.h"
/*
@ -179,7 +172,8 @@ struct xpc_vars_part_sn2 {
#define XPC_RP_HEADER_SIZE L1_CACHE_ALIGN(sizeof(struct xpc_rsvd_page))
#define XPC_RP_VARS_SIZE L1_CACHE_ALIGN(sizeof(struct xpc_vars_sn2))
#define XPC_RP_PART_NASIDS(_rp) ((u64 *)((u8 *)(_rp) + XPC_RP_HEADER_SIZE))
#define XPC_RP_PART_NASIDS(_rp) ((unsigned long *)((u8 *)(_rp) + \
XPC_RP_HEADER_SIZE))
#define XPC_RP_MACH_NASIDS(_rp) (XPC_RP_PART_NASIDS(_rp) + \
xpc_nasid_mask_nlongs)
#define XPC_RP_VARS(_rp) ((struct xpc_vars_sn2 *) \
@ -202,13 +196,13 @@ struct xpc_vars_part_sn2 {
/*
* Define a Get/Put value pair (pointers) used with a message queue.
*/
struct xpc_gp {
struct xpc_gp_sn2 {
s64 get; /* Get value */
s64 put; /* Put value */
};
#define XPC_GP_SIZE \
L1_CACHE_ALIGN(sizeof(struct xpc_gp) * XPC_MAX_NCHANNELS)
L1_CACHE_ALIGN(sizeof(struct xpc_gp_sn2) * XPC_MAX_NCHANNELS)
/*
* Define a structure that contains arguments associated with opening and
@ -340,10 +334,10 @@ struct xpc_channel_sn2 {
/* various flavors of local and remote Get/Put values */
struct xpc_gp *local_GP; /* local Get/Put values */
struct xpc_gp remote_GP; /* remote Get/Put values */
struct xpc_gp w_local_GP; /* working local Get/Put values */
struct xpc_gp w_remote_GP; /* working remote Get/Put values */
struct xpc_gp_sn2 *local_GP; /* local Get/Put values */
struct xpc_gp_sn2 remote_GP; /* remote Get/Put values */
struct xpc_gp_sn2 w_local_GP; /* working local Get/Put values */
struct xpc_gp_sn2 w_remote_GP; /* working remote Get/Put values */
s64 next_msg_to_pull; /* Put value of next msg to pull */
struct mutex msg_to_pull_mutex; /* next msg to pull serialization */
@ -506,9 +500,9 @@ struct xpc_partition_sn2 {
u8 remote_vars_version; /* version# of partition's vars */
void *local_GPs_base; /* base address of kmalloc'd space */
struct xpc_gp *local_GPs; /* local Get/Put values */
struct xpc_gp_sn2 *local_GPs; /* local Get/Put values */
void *remote_GPs_base; /* base address of kmalloc'd space */
struct xpc_gp *remote_GPs; /* copy of remote partition's local */
struct xpc_gp_sn2 *remote_GPs; /* copy of remote partition's local */
/* Get/Put values */
u64 remote_GPs_pa; /* phys address of remote partition's local */
/* Get/Put values */
@ -629,6 +623,8 @@ extern void xpc_activate_partition(struct xpc_partition *);
extern void xpc_activate_kthreads(struct xpc_channel *, int);
extern void xpc_create_kthreads(struct xpc_channel *, int, int);
extern void xpc_disconnect_wait(int);
extern enum xp_retval (*xpc_get_partition_rsvd_page_pa) (u64, u64 *, u64 *,
size_t *);
extern enum xp_retval (*xpc_rsvd_page_init) (struct xpc_rsvd_page *);
extern void (*xpc_heartbeat_init) (void);
extern void (*xpc_heartbeat_exit) (void);