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authorIngo Molnar <mingo@elte.hu>2008-09-14 18:24:00 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-14 18:24:00 +0200
commit83bd6998b04fc1bb7280b14f16b2bdbdc07c914b (patch)
treeaf1bbe2bac5752b69b1ac58bf5d822c735da439b /arch/powerpc/include/asm/hvconsole.h
parente7250b8ae3870f37f660c2f65cafcaba85e3bfd3 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
downloadblackbird-op-linux-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.tar.gz
blackbird-op-linux-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.zip
Merge commit 'v2.6.27-rc6' into timers/hpet
Diffstat (limited to 'arch/powerpc/include/asm/hvconsole.h')
-rw-r--r--arch/powerpc/include/asm/hvconsole.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hvconsole.h b/arch/powerpc/include/asm/hvconsole.h
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index 000000000000..35ea69e8121f
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+++ b/arch/powerpc/include/asm/hvconsole.h
@@ -0,0 +1,41 @@
+/*
+ * hvconsole.h
+ * Copyright (C) 2004 Ryan S Arnold, IBM Corporation
+ *
+ * LPAR console support.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _PPC64_HVCONSOLE_H
+#define _PPC64_HVCONSOLE_H
+#ifdef __KERNEL__
+
+/*
+ * PSeries firmware will only send/recv up to 16 bytes of character data per
+ * hcall.
+ */
+#define MAX_VIO_PUT_CHARS 16
+#define SIZE_VIO_GET_CHARS 16
+
+/*
+ * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars. The 'count'
+ * parm is included to conform to put_chars() function pointer template
+ */
+extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
+extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
+
+#endif /* __KERNEL__ */
+#endif /* _PPC64_HVCONSOLE_H */
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