File: iosapic.h

package info (click to toggle)
kernel-source-2.4.14 2.4.14-1
  • links: PTS
  • area: main
  • in suites: woody
  • size: 139,160 kB
  • ctags: 428,423
  • sloc: ansic: 2,435,554; asm: 141,119; makefile: 8,258; sh: 3,099; perl: 2,561; yacc: 1,177; cpp: 755; tcl: 577; lex: 352; awk: 251; lisp: 218; sed: 72
file content (61 lines) | stat: -rw-r--r-- 1,308 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
#ifndef __ASM_IA64_IOSAPIC_H
#define __ASM_IA64_IOSAPIC_H

#define	IOSAPIC_DEFAULT_ADDR	0xFEC00000

#define	IOSAPIC_REG_SELECT	0x0
#define	IOSAPIC_WINDOW		0x10
#define	IOSAPIC_EOI		0x40

#define	IOSAPIC_VERSION	0x1

/*
 * Redirection table entry
 */
#define	IOSAPIC_RTE_LOW(i)	(0x10+i*2)
#define	IOSAPIC_RTE_HIGH(i)	(0x11+i*2)

#define	IOSAPIC_DEST_SHIFT		16

/*
 * Delivery mode
 */
#define	IOSAPIC_DELIVERY_SHIFT		8
#define	IOSAPIC_FIXED			0x0
#define	IOSAPIC_LOWEST_PRIORITY	0x1
#define	IOSAPIC_PMI			0x2
#define	IOSAPIC_NMI			0x4
#define	IOSAPIC_INIT			0x5
#define	IOSAPIC_EXTINT			0x7

/*
 * Interrupt polarity
 */
#define	IOSAPIC_POLARITY_SHIFT		13
#define	IOSAPIC_POL_HIGH		0
#define	IOSAPIC_POL_LOW		1

/*
 * Trigger mode
 */
#define	IOSAPIC_TRIGGER_SHIFT		15
#define	IOSAPIC_EDGE			0
#define	IOSAPIC_LEVEL			1

/*
 * Mask bit
 */
#define	IOSAPIC_MASK_SHIFT		16
#define	IOSAPIC_UNMASK			0
#define	IOSAPIC_MSAK			1

#ifndef __ASSEMBLY__

extern void __init iosapic_init (unsigned long address, unsigned int base_irq,
                                 int pcat_compat);
extern void iosapic_register_legacy_irq (unsigned long irq, unsigned long pin,
					 unsigned long polarity, unsigned long trigger);
extern void iosapic_pci_fixup (int);

# endif /* !__ASSEMBLY__ */
#endif /* __ASM_IA64_IOSAPIC_H */