ia64/xen-unstable

view linux-2.6-xen-sparse/include/asm-x86_64/apic.h @ 11221:7c9d7fc3dce5

[HVM] Fix SMBIOS entry point copy destination.
Spotted by Xiaowei Yang <xiaowei.yang@intel.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@localhost.localdomain
date Sat Aug 19 12:06:36 2006 +0100 (2006-08-19)
parents 832649128a0c
children 3adf00179a63
line source
1 #ifndef __ASM_APIC_H
2 #define __ASM_APIC_H
4 #include <linux/config.h>
5 #include <linux/pm.h>
6 #include <asm/fixmap.h>
7 #include <asm/apicdef.h>
8 #include <asm/system.h>
10 #define Dprintk(x...)
12 /*
13 * Debugging macros
14 */
15 #define APIC_QUIET 0
16 #define APIC_VERBOSE 1
17 #define APIC_DEBUG 2
19 extern int apic_verbosity;
20 extern int apic_runs_main_timer;
22 /*
23 * Define the default level of output to be very little
24 * This can be turned up by using apic=verbose for more
25 * information and apic=debug for _lots_ of information.
26 * apic_verbosity is defined in apic.c
27 */
28 #define apic_printk(v, s, a...) do { \
29 if ((v) <= apic_verbosity) \
30 printk(s, ##a); \
31 } while (0)
33 #ifdef CONFIG_X86_LOCAL_APIC
35 struct pt_regs;
37 /*
38 * Basic functions accessing APICs.
39 */
41 static __inline void apic_write(unsigned long reg, unsigned int v)
42 {
43 *((volatile unsigned int *)(APIC_BASE+reg)) = v;
44 }
46 static __inline unsigned int apic_read(unsigned long reg)
47 {
48 return *((volatile unsigned int *)(APIC_BASE+reg));
49 }
51 static __inline__ void apic_wait_icr_idle(void)
52 {
53 while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY );
54 }
56 static inline void ack_APIC_irq(void)
57 {
58 /*
59 * ack_APIC_irq() actually gets compiled as a single instruction:
60 * - a single rmw on Pentium/82489DX
61 * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC)
62 * ... yummie.
63 */
65 /* Docs say use 0 for future compatibility */
66 apic_write(APIC_EOI, 0);
67 }
69 extern int get_maxlvt (void);
70 extern void clear_local_APIC (void);
71 extern void connect_bsp_APIC (void);
72 extern void disconnect_bsp_APIC (int virt_wire_setup);
73 extern void disable_local_APIC (void);
74 extern int verify_local_APIC (void);
75 extern void cache_APIC_registers (void);
76 extern void sync_Arb_IDs (void);
77 extern void init_bsp_APIC (void);
78 extern void setup_local_APIC (void);
79 extern void init_apic_mappings (void);
80 extern void smp_local_timer_interrupt (struct pt_regs * regs);
81 extern void setup_boot_APIC_clock (void);
82 extern void setup_secondary_APIC_clock (void);
83 extern void setup_apic_nmi_watchdog (void);
84 extern int reserve_lapic_nmi(void);
85 extern void release_lapic_nmi(void);
86 extern void disable_timer_nmi_watchdog(void);
87 extern void enable_timer_nmi_watchdog(void);
88 extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
89 extern int APIC_init_uniprocessor (void);
90 extern void disable_APIC_timer(void);
91 extern void enable_APIC_timer(void);
92 extern void clustered_apic_check(void);
94 extern void nmi_watchdog_default(void);
95 extern int setup_nmi_watchdog(char *);
97 extern unsigned int nmi_watchdog;
98 #define NMI_DEFAULT -1
99 #define NMI_NONE 0
100 #define NMI_IO_APIC 1
101 #define NMI_LOCAL_APIC 2
102 #define NMI_INVALID 3
104 extern int disable_timer_pin_1;
106 extern void setup_threshold_lvt(unsigned long lvt_off);
108 #ifndef CONFIG_XEN
109 void smp_send_timer_broadcast_ipi(void);
110 void switch_APIC_timer_to_ipi(void *cpumask);
111 void switch_ipi_to_APIC_timer(void *cpumask);
113 #define ARCH_APICTIMER_STOPS_ON_C3 1
114 #endif
116 #endif /* CONFIG_X86_LOCAL_APIC */
118 extern unsigned boot_cpu_id;
120 #endif /* __ASM_APIC_H */