mirror of
https://github.com/adulau/aha.git
synced 2024-12-30 12:46:17 +00:00
5b8669dfd1
Setup the activate GRU message queue that is used for partition activation and channel connection on UV systems. 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>
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
|
|
*/
|
|
|
|
/*
|
|
* Cross Partition (XP) uv-based functions.
|
|
*
|
|
* Architecture specific implementation of common functions.
|
|
*
|
|
*/
|
|
|
|
#include <linux/device.h>
|
|
#include <asm/uv/uv_hub.h>
|
|
#include "../sgi-gru/grukservices.h"
|
|
#include "xp.h"
|
|
|
|
/*
|
|
* Convert a virtual memory address to a physical memory address.
|
|
*/
|
|
static unsigned long
|
|
xp_pa_uv(void *addr)
|
|
{
|
|
return uv_gpa(addr);
|
|
}
|
|
|
|
static enum xp_retval
|
|
xp_remote_memcpy_uv(unsigned long dst_gpa, const unsigned long src_gpa,
|
|
size_t len)
|
|
{
|
|
int ret;
|
|
|
|
ret = gru_copy_gpa(dst_gpa, src_gpa, len);
|
|
if (ret == 0)
|
|
return xpSuccess;
|
|
|
|
dev_err(xp, "gru_copy_gpa() failed, dst_gpa=0x%016lx src_gpa=0x%016lx "
|
|
"len=%ld\n", dst_gpa, src_gpa, len);
|
|
return xpGruCopyError;
|
|
}
|
|
|
|
static int
|
|
xp_cpu_to_nasid_uv(int cpuid)
|
|
{
|
|
/* ??? Is this same as sn2 nasid in mach/part bitmaps set up by SAL? */
|
|
return UV_PNODE_TO_NASID(uv_cpu_to_pnode(cpuid));
|
|
}
|
|
|
|
enum xp_retval
|
|
xp_init_uv(void)
|
|
{
|
|
BUG_ON(!is_uv());
|
|
|
|
xp_max_npartitions = XP_MAX_NPARTITIONS_UV;
|
|
xp_partition_id = 0; /* !!! not correct value */
|
|
xp_region_size = 0; /* !!! not correct value */
|
|
|
|
xp_pa = xp_pa_uv;
|
|
xp_remote_memcpy = xp_remote_memcpy_uv;
|
|
xp_cpu_to_nasid = xp_cpu_to_nasid_uv;
|
|
|
|
return xpSuccess;
|
|
}
|
|
|
|
void
|
|
xp_exit_uv(void)
|
|
{
|
|
BUG_ON(!is_uv());
|
|
}
|