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authorJeff Garzik <jgarzik@pobox.com>2005-11-04 21:39:31 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-04 21:39:31 -0500
commitc2cc87ca9561ddfe744d446789cc10f507e87db9 (patch)
treed505fc0110eb1a3d8750ba2f67648c131f0d9aca /arch/powerpc/platforms/iseries/hvlog.c
parentce1eeb95fc4eb25109c00bea3e83a87eeff6b07d (diff)
parent7015faa7df829876a0f931cd18aa6d7c24a1b581 (diff)
Merge branch 'master'
Diffstat (limited to 'arch/powerpc/platforms/iseries/hvlog.c')
-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..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;
+ }
+}