diff options
Diffstat (limited to 'include/asm-sparc64/xor.h')
-rw-r--r-- | include/asm-sparc64/xor.h | 71 |
1 files changed, 1 insertions, 70 deletions
diff --git a/include/asm-sparc64/xor.h b/include/asm-sparc64/xor.h index a0233884fc94..ef187cc07ed5 100644 --- a/include/asm-sparc64/xor.h +++ b/include/asm-sparc64/xor.h | |||
@@ -1,70 +1 @@ | |||
1 | /* | #include <asm-sparc/xor.h> | |
2 | * include/asm-sparc64/xor.h | ||
3 | * | ||
4 | * High speed xor_block operation for RAID4/5 utilizing the | ||
5 | * UltraSparc Visual Instruction Set and Niagara block-init | ||
6 | * twin-load instructions. | ||
7 | * | ||
8 | * Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz) | ||
9 | * Copyright (C) 2006 David S. Miller <davem@davemloft.net> | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2, or (at your option) | ||
14 | * any later version. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * (for example /usr/src/linux/COPYING); if not, write to the Free | ||
18 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
19 | */ | ||
20 | |||
21 | #include <asm/spitfire.h> | ||
22 | |||
23 | extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *); | ||
24 | extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *, | ||
25 | unsigned long *); | ||
26 | extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *, | ||
27 | unsigned long *, unsigned long *); | ||
28 | extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *, | ||
29 | unsigned long *, unsigned long *, unsigned long *); | ||
30 | |||
31 | /* XXX Ugh, write cheetah versions... -DaveM */ | ||
32 | |||
33 | static struct xor_block_template xor_block_VIS = { | ||
34 | .name = "VIS", | ||
35 | .do_2 = xor_vis_2, | ||
36 | .do_3 = xor_vis_3, | ||
37 | .do_4 = xor_vis_4, | ||
38 | .do_5 = xor_vis_5, | ||
39 | }; | ||
40 | |||
41 | extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *); | ||
42 | extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *, | ||
43 | unsigned long *); | ||
44 | extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *, | ||
45 | unsigned long *, unsigned long *); | ||
46 | extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *, | ||
47 | unsigned long *, unsigned long *, unsigned long *); | ||
48 | |||
49 | static struct xor_block_template xor_block_niagara = { | ||
50 | .name = "Niagara", | ||
51 | .do_2 = xor_niagara_2, | ||
52 | .do_3 = xor_niagara_3, | ||
53 | .do_4 = xor_niagara_4, | ||
54 | .do_5 = xor_niagara_5, | ||
55 | }; | ||
56 | |||
57 | #undef XOR_TRY_TEMPLATES | ||
58 | #define XOR_TRY_TEMPLATES \ | ||
59 | do { \ | ||
60 | xor_speed(&xor_block_VIS); \ | ||
61 | xor_speed(&xor_block_niagara); \ | ||
62 | } while (0) | ||
63 | |||
64 | /* For VIS for everything except Niagara. */ | ||
65 | #define XOR_SELECT_TEMPLATE(FASTEST) \ | ||
66 | ((tlb_type == hypervisor && \ | ||
67 | (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \ | ||
68 | sun4v_chip_type == SUN4V_CHIP_NIAGARA2)) ? \ | ||
69 | &xor_block_niagara : \ | ||
70 | &xor_block_VIS) | ||