fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-x86 / apic_64.h
blob3c8f21eef0be4837be2c99dc96b7269eb086b086
1 #ifndef __ASM_APIC_H
2 #define __ASM_APIC_H
4 #include <linux/pm.h>
5 #include <linux/delay.h>
6 #include <asm/fixmap.h>
7 #include <asm/apicdef.h>
8 #include <asm/system.h>
10 #define Dprintk(x...)
13 * Debugging macros
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;
21 extern int ioapic_force;
22 extern int disable_apic_timer;
25 * Define the default level of output to be very little
26 * This can be turned up by using apic=verbose for more
27 * information and apic=debug for _lots_ of information.
28 * apic_verbosity is defined in apic.c
30 #define apic_printk(v, s, a...) do { \
31 if ((v) <= apic_verbosity) \
32 printk(s, ##a); \
33 } while (0)
35 struct pt_regs;
38 * Basic functions accessing APICs.
41 static __inline void apic_write(unsigned long reg, unsigned int v)
43 *((volatile unsigned int *)(APIC_BASE+reg)) = v;
46 static __inline unsigned int apic_read(unsigned long reg)
48 return *((volatile unsigned int *)(APIC_BASE+reg));
51 extern void apic_wait_icr_idle(void);
52 extern unsigned int safe_apic_wait_icr_idle(void);
54 static inline void ack_APIC_irq(void)
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.
63 /* Docs say use 0 for future compatibility */
64 apic_write(APIC_EOI, 0);
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 (int virt_wire_setup);
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 (void);
79 extern void setup_boot_APIC_clock (void);
80 extern void setup_secondary_APIC_clock (void);
81 extern int APIC_init_uniprocessor (void);
82 extern void setup_apic_routing(void);
84 extern void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector,
85 unsigned char msg_type, unsigned char mask);
87 extern int apic_is_clustered_box(void);
89 #define K8_APIC_EXT_LVT_BASE 0x500
90 #define K8_APIC_EXT_INT_MSG_FIX 0x0
91 #define K8_APIC_EXT_INT_MSG_SMI 0x2
92 #define K8_APIC_EXT_INT_MSG_NMI 0x4
93 #define K8_APIC_EXT_INT_MSG_EXT 0x7
94 #define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0
96 #define ARCH_APICTIMER_STOPS_ON_C3 1
98 extern unsigned boot_cpu_id;
99 extern int local_apic_timer_c2_ok;
101 #endif /* __ASM_APIC_H */