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-rw-r--r--arch/powerpc/platforms/iseries/hvlog.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/hvlog.c b/arch/powerpc/platforms/iseries/hvlog.c
new file mode 100644
index 00000000000..f476d71194f
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/hvlog.c
@@ -0,0 +1,35 @@
1/*
2 * Copyright (C) 2001 Mike Corrigan IBM Corporation
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 */
9
10#include <asm/page.h>
11#include <asm/abs_addr.h>
12#include <asm/iseries/hv_call.h>
13#include <asm/iseries/hv_call_sc.h>
14#include <asm/iseries/hv_types.h>
15
16
17void HvCall_writeLogBuffer(const void *buffer, u64 len)
18{
19 struct HvLpBufferList hv_buf;
20 u64 left_this_page;
21 u64 cur = virt_to_abs(buffer);
22
23 while (len) {
24 hv_buf.addr = cur;
25 left_this_page = ((cur & HW_PAGE_MASK) + HW_PAGE_SIZE) - cur;
26 if (left_this_page > len)
27 left_this_page = len;
28 hv_buf.len = left_this_page;
29 len -= left_this_page;
30 HvCall2(HvCallBaseWriteLogBuffer,
31 virt_to_abs(&hv_buf),
32 left_this_page);
33 cur = (cur & HW_PAGE_MASK) + HW_PAGE_SIZE;
34 }
35}