fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-x86 / ide.h
blobe7817a3d6578009f29d750884010933266ca5f3c
1 /*
2 * linux/include/asm-i386/ide.h
4 * Copyright (C) 1994-1996 Linus Torvalds & authors
5 */
7 /*
8 * This file contains the i386 architecture specific IDE code.
9 */
11 #ifndef __ASMi386_IDE_H
12 #define __ASMi386_IDE_H
14 #ifdef __KERNEL__
17 #ifndef MAX_HWIFS
18 # ifdef CONFIG_BLK_DEV_IDEPCI
19 #define MAX_HWIFS 10
20 # else
21 #define MAX_HWIFS 6
22 # endif
23 #endif
25 #define IDE_ARCH_OBSOLETE_DEFAULTS
27 static __inline__ int ide_default_irq(unsigned long base)
29 switch (base) {
30 case 0x1f0: return 14;
31 case 0x170: return 15;
32 case 0x1e8: return 11;
33 case 0x168: return 10;
34 case 0x1e0: return 8;
35 case 0x160: return 12;
36 default:
37 return 0;
41 static __inline__ unsigned long ide_default_io_base(int index)
44 * If PCI is present then it is not safe to poke around
45 * the other legacy IDE ports. Only 0x1f0 and 0x170 are
46 * defined compatibility mode ports for PCI. A user can
47 * override this using ide= but we must default safe.
49 if (no_pci_devices()) {
50 switch(index) {
51 case 2: return 0x1e8;
52 case 3: return 0x168;
53 case 4: return 0x1e0;
54 case 5: return 0x160;
57 switch (index) {
58 case 0: return 0x1f0;
59 case 1: return 0x170;
60 default:
61 return 0;
65 #define IDE_ARCH_OBSOLETE_INIT
66 #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
68 #ifdef CONFIG_BLK_DEV_IDEPCI
69 #define ide_init_default_irq(base) (0)
70 #else
71 #define ide_init_default_irq(base) ide_default_irq(base)
72 #endif
74 #include <asm-generic/ide_iops.h>
76 #endif /* __KERNEL__ */
78 #endif /* __ASMi386_IDE_H */