summaryrefslogtreecommitdiffstats
path: root/include/asm-sparc64/xor.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sparc64/xor.h')
-rw-r--r--include/asm-sparc64/xor.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/include/asm-sparc64/xor.h b/include/asm-sparc64/xor.h
new file mode 100644
index 00000000000..8b3a7e4b606
--- /dev/null
+++ b/include/asm-sparc64/xor.h
@@ -0,0 +1,40 @@
+/*
+ * include/asm-sparc64/xor.h
+ *
+ * High speed xor_block operation for RAID4/5 utilizing the
+ * UltraSparc Visual Instruction Set.
+ *
+ * Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz)
+ *
+ * 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, or (at your option)
+ * any later version.
+ *
+ * You should have received a copy of the GNU General Public License
+ * (for example /usr/src/linux/COPYING); if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <asm/pstate.h>
+#include <asm/asi.h>
+
+extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
+extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
+ unsigned long *);
+extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
+ unsigned long *, unsigned long *);
+extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
+ unsigned long *, unsigned long *, unsigned long *);
+
+/* XXX Ugh, write cheetah versions... -DaveM */
+
+static struct xor_block_template xor_block_VIS = {
+ .name = "VIS",
+ .do_2 = xor_vis_2,
+ .do_3 = xor_vis_3,
+ .do_4 = xor_vis_4,
+ .do_5 = xor_vis_5,
+};
+
+#define XOR_TRY_TEMPLATES xor_speed(&xor_block_VIS)