diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-04 21:39:31 -0500 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-04 21:39:31 -0500 |
commit | c2cc87ca9561ddfe744d446789cc10f507e87db9 (patch) | |
tree | d505fc0110eb1a3d8750ba2f67648c131f0d9aca /arch/powerpc/platforms/iseries/hvlog.c | |
parent | ce1eeb95fc4eb25109c00bea3e83a87eeff6b07d (diff) | |
parent | 7015faa7df829876a0f931cd18aa6d7c24a1b581 (diff) |
Merge branch 'master'
Diffstat (limited to 'arch/powerpc/platforms/iseries/hvlog.c')
-rw-r--r-- | arch/powerpc/platforms/iseries/hvlog.c | 35 |
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..62ec7347968 --- /dev/null +++ b/arch/powerpc/platforms/iseries/hvlog.c @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2001 Mike Corrigan IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <asm/page.h> +#include <asm/abs_addr.h> +#include <asm/iseries/hv_call.h> +#include <asm/iseries/hv_call_sc.h> +#include <asm/iseries/hv_types.h> + + +void HvCall_writeLogBuffer(const void *buffer, u64 len) +{ + struct HvLpBufferList hv_buf; + u64 left_this_page; + u64 cur = virt_to_abs(buffer); + + while (len) { + hv_buf.addr = cur; + left_this_page = ((cur & PAGE_MASK) + PAGE_SIZE) - cur; + if (left_this_page > len) + left_this_page = len; + hv_buf.len = left_this_page; + len -= left_this_page; + HvCall2(HvCallBaseWriteLogBuffer, + virt_to_abs(&hv_buf), + left_this_page); + cur = (cur & PAGE_MASK) + PAGE_SIZE; + } +} |