| #ifndef __ASM_APIC_H |
| #define __ASM_APIC_H |
| |
| #include <linux/pm.h> |
| #include <linux/delay.h> |
| #include <asm/fixmap.h> |
| #include <asm/apicdef.h> |
| #include <asm/processor.h> |
| #include <asm/system.h> |
| |
| #define Dprintk(x...) |
| |
| /* |
| * Debugging macros |
| */ |
| #define APIC_QUIET 0 |
| #define APIC_VERBOSE 1 |
| #define APIC_DEBUG 2 |
| |
| extern int apic_verbosity; |
| |
| /* |
| * Define the default level of output to be very little |
| * This can be turned up by using apic=verbose for more |
| * information and apic=debug for _lots_ of information. |
| * apic_verbosity is defined in apic.c |
| */ |
| #define apic_printk(v, s, a...) do { \ |
| if ((v) <= apic_verbosity) \ |
| printk(s, ##a); \ |
| } while (0) |
| |
| |
| extern void generic_apic_probe(void); |
| |
| #ifdef CONFIG_X86_LOCAL_APIC |
| |
| /* |
| * Basic functions accessing APICs. |
| */ |
| #ifdef CONFIG_PARAVIRT |
| #include <asm/paravirt.h> |
| #else |
| #define apic_write native_apic_write |
| #define apic_write_atomic native_apic_write_atomic |
| #define apic_read native_apic_read |
| #define setup_boot_clock setup_boot_APIC_clock |
| #define setup_secondary_clock setup_secondary_APIC_clock |
| #endif |
| |
| static __inline fastcall void native_apic_write(unsigned long reg, |
| unsigned long v) |
| { |
| *((volatile unsigned long *)(APIC_BASE+reg)) = v; |
| } |
| |
| static __inline fastcall void native_apic_write_atomic(unsigned long reg, |
| unsigned long v) |
| { |
| xchg((volatile unsigned long *)(APIC_BASE+reg), v); |
| } |
| |
| static __inline fastcall unsigned long native_apic_read(unsigned long reg) |
| { |
| return *((volatile unsigned long *)(APIC_BASE+reg)); |
| } |
| |
| void apic_wait_icr_idle(void); |
| unsigned long safe_apic_wait_icr_idle(void); |
| int get_physical_broadcast(void); |
| |
| #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 lapic_get_maxlvt(void); |
| extern void clear_local_APIC(void); |
| extern void connect_bsp_APIC (void); |
| extern void disconnect_bsp_APIC (int virt_wire_setup); |
| extern void disable_local_APIC (void); |
| extern void lapic_shutdown (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 (void); |
| extern void setup_boot_APIC_clock (void); |
| extern void setup_secondary_APIC_clock (void); |
| extern int APIC_init_uniprocessor (void); |
| |
| extern void enable_NMI_through_LVT0 (void * dummy); |
| |
| #define ARCH_APICTIMER_STOPS_ON_C3 1 |
| |
| extern int timer_over_8254; |
| extern int local_apic_timer_c2_ok; |
| |
| extern int local_apic_timer_disabled; |
| |
| #else /* !CONFIG_X86_LOCAL_APIC */ |
| static inline void lapic_shutdown(void) { } |
| |
| #endif /* !CONFIG_X86_LOCAL_APIC */ |
| |
| #endif /* __ASM_APIC_H */ |