36 lines
955 B
C
36 lines
955 B
C
/*
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* Copyright (C) 2001 Mike Corrigan IBM Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <asm/page.h>
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#include <asm/abs_addr.h>
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#include <asm/iseries/hv_call.h>
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#include <asm/iseries/hv_call_sc.h>
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#include <asm/iseries/hv_types.h>
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void HvCall_writeLogBuffer(const void *buffer, u64 len)
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{
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struct HvLpBufferList hv_buf;
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u64 left_this_page;
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u64 cur = virt_to_abs(buffer);
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while (len) {
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hv_buf.addr = cur;
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left_this_page = ((cur & HW_PAGE_MASK) + HW_PAGE_SIZE) - cur;
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if (left_this_page > len)
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left_this_page = len;
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hv_buf.len = left_this_page;
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len -= left_this_page;
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HvCall2(HvCallBaseWriteLogBuffer,
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virt_to_abs(&hv_buf),
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left_this_page);
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cur = (cur & HW_PAGE_MASK) + HW_PAGE_SIZE;
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}
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}
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