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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-x86_64/] [apic.h] - Blame information for rev 1774

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#ifndef __ASM_APIC_H
#define __ASM_APIC_H
 
#include <linux/config.h>
#include <linux/pm.h>
#include <asm/apicdef.h>
#include <asm/system.h>
 
#ifdef CONFIG_X86_LOCAL_APIC
 
#define APIC_DEBUG 0
 
#if APIC_DEBUG
#define Dprintk(x...) printk(x)
#else
#define Dprintk(x...)
#endif
 
/*
 * Basic functions accessing APICs.
 */
 
static __inline void apic_write(unsigned long reg, unsigned int v)
{
        *((volatile unsigned int *)(APIC_BASE+reg)) = v;
        barrier();
}
 
static __inline void apic_write_atomic(unsigned long reg, unsigned int v)
{
        xchg((volatile unsigned int *)(APIC_BASE+reg), v);
}
 
static __inline unsigned int apic_read(unsigned long reg)
{
        return *((volatile unsigned int *)(APIC_BASE+reg));
}
 
static __inline__ void apic_wait_icr_idle(void)
{
        while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY );
}
 
#ifdef CONFIG_X86_GOOD_APIC
# define FORCE_READ_AROUND_WRITE 0
# define apic_read_around(x)
# define apic_write_around(x,y) apic_write((x),(y))
#else
# define FORCE_READ_AROUND_WRITE 1
# define apic_read_around(x) apic_read(x)
# define apic_write_around(x,y) apic_write_atomic((x),(y))
#endif
 
static inline void ack_APIC_irq(void)
{
        /*
         * ack_APIC_irq() actually gets compiled as a single instruction:
         * - a single rmw on Pentium/82489DX
         * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC)
         * ... yummie.
         */
 
        /* Docs say use 0 for future compatibility */
        apic_write_around(APIC_EOI, 0);
}
 
extern int get_maxlvt (void);
extern void clear_local_APIC (void);
extern void connect_bsp_APIC (void);
extern void disconnect_bsp_APIC (void);
extern void disable_local_APIC (void);
extern int verify_local_APIC (void);
extern void cache_APIC_registers (void);
extern void sync_Arb_IDs (void);
extern void init_bsp_APIC (void);
extern void setup_local_APIC (void);
extern void init_apic_mappings (void);
extern void smp_local_timer_interrupt (struct pt_regs * regs);
extern void setup_APIC_clocks (void);
extern void setup_apic_nmi_watchdog (void);
extern inline void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
extern int APIC_init_uniprocessor (void);
extern void disable_APIC_timer(void);
extern void enable_APIC_timer(void);
 
extern struct pm_dev *apic_pm_register (pm_dev_t, unsigned long, pm_callback);
extern void apic_pm_unregister (struct pm_dev*);
 
extern unsigned int apic_timer_irqs [NR_CPUS];
extern int check_nmi_watchdog (void);
extern void enable_NMI_through_LVT0 (void * dummy);
 
extern unsigned int nmi_watchdog;
#define NMI_NONE        0
#define NMI_IO_APIC     1
#define NMI_LOCAL_APIC  2
#define NMI_INVALID     3
 
#endif /* CONFIG_X86_LOCAL_APIC */
 
#define clustered_apic_mode 0
#define esr_disable 0
extern unsigned boot_cpu_id;
 
#endif /* __ASM_APIC_H */

Line No.	Rev	Author	Line
1	1275	phoenix	`#ifndef __ASM_APIC_H`
2			`#define __ASM_APIC_H`
3
4			`#include <linux/config.h>`
5			`#include <linux/pm.h>`
6			`#include <asm/apicdef.h>`
7			`#include <asm/system.h>`
8
9			`#ifdef CONFIG_X86_LOCAL_APIC`
10
11			`#define APIC_DEBUG 0`
12
13			`#if APIC_DEBUG`
14			`#define Dprintk(x...) printk(x)`
15			`#else`
16			`#define Dprintk(x...)`
17			`#endif`
18
19			`/*`
20			`* Basic functions accessing APICs.`
21			`*/`
22
23			`static __inline void apic_write(unsigned long reg, unsigned int v)`
24			`{`
25			`((volatile unsigned int )(APIC_BASE+reg)) = v;`
26			`barrier();`
27			`}`
28
29			`static __inline void apic_write_atomic(unsigned long reg, unsigned int v)`
30			`{`
31			`xchg((volatile unsigned int *)(APIC_BASE+reg), v);`
32			`}`
33
34			`static __inline unsigned int apic_read(unsigned long reg)`
35			`{`
36			`return ((volatile unsigned int )(APIC_BASE+reg));`
37			`}`
38
39			`static __inline__ void apic_wait_icr_idle(void)`
40			`{`
41			`while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY );`
42			`}`
43
44			`#ifdef CONFIG_X86_GOOD_APIC`
45			`# define FORCE_READ_AROUND_WRITE 0`
46			`# define apic_read_around(x)`
47			`# define apic_write_around(x,y) apic_write((x),(y))`
48			`#else`
49			`# define FORCE_READ_AROUND_WRITE 1`
50			`# define apic_read_around(x) apic_read(x)`
51			`# define apic_write_around(x,y) apic_write_atomic((x),(y))`
52			`#endif`
53
54			`static inline void ack_APIC_irq(void)`
55			`{`
56			`/*`
57			`* ack_APIC_irq() actually gets compiled as a single instruction:`
58			`* - a single rmw on Pentium/82489DX`
59			`* - a single write on P6+ cores (CONFIG_X86_GOOD_APIC)`
60			`* ... yummie.`
61			`*/`
62
63			`/* Docs say use 0 for future compatibility */`
64			`apic_write_around(APIC_EOI, 0);`
65			`}`
66
67			`extern int get_maxlvt (void);`
68			`extern void clear_local_APIC (void);`
69			`extern void connect_bsp_APIC (void);`
70			`extern void disconnect_bsp_APIC (void);`
71			`extern void disable_local_APIC (void);`
72			`extern int verify_local_APIC (void);`
73			`extern void cache_APIC_registers (void);`
74			`extern void sync_Arb_IDs (void);`
75			`extern void init_bsp_APIC (void);`
76			`extern void setup_local_APIC (void);`
77			`extern void init_apic_mappings (void);`
78			`extern void smp_local_timer_interrupt (struct pt_regs * regs);`
79			`extern void setup_APIC_clocks (void);`
80			`extern void setup_apic_nmi_watchdog (void);`
81			`extern inline void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);`
82			`extern int APIC_init_uniprocessor (void);`
83			`extern void disable_APIC_timer(void);`
84			`extern void enable_APIC_timer(void);`
85
86			`extern struct pm_dev *apic_pm_register (pm_dev_t, unsigned long, pm_callback);`
87			`extern void apic_pm_unregister (struct pm_dev*);`
88
89			`extern unsigned int apic_timer_irqs [NR_CPUS];`
90			`extern int check_nmi_watchdog (void);`
91			`extern void enable_NMI_through_LVT0 (void * dummy);`
92
93			`extern unsigned int nmi_watchdog;`
94			`#define NMI_NONE 0`
95			`#define NMI_IO_APIC 1`
96			`#define NMI_LOCAL_APIC 2`
97			`#define NMI_INVALID 3`
98
99			`#endif /* CONFIG_X86_LOCAL_APIC */`
100
101			`#define clustered_apic_mode 0`
102			`#define esr_disable 0`
103			`extern unsigned boot_cpu_id;`
104
105			`#endif /* __ASM_APIC_H */`

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-x86_64/] [apic.h] - Blame information for rev 1774