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 HvCall_writeLogBuffer(const void * buffer,u64 len)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 } 36