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Diffstat (limited to 'include/asm-x86/apic.h')
| -rw-r--r-- | include/asm-x86/apic.h | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h deleted file mode 100644 index ef1d72dbdfe0..000000000000 --- a/include/asm-x86/apic.h +++ /dev/null @@ -1,199 +0,0 @@ -#ifndef ASM_X86__APIC_H -#define ASM_X86__APIC_H - -#include <linux/pm.h> -#include <linux/delay.h> - -#include <asm/alternative.h> -#include <asm/fixmap.h> -#include <asm/apicdef.h> -#include <asm/processor.h> -#include <asm/system.h> -#include <asm/cpufeature.h> -#include <asm/msr.h> - -#define ARCH_APICTIMER_STOPS_ON_C3 1 - -/* - * Debugging macros - */ -#define APIC_QUIET 0 -#define APIC_VERBOSE 1 -#define APIC_DEBUG 2 - -/* - * 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 - -extern unsigned int apic_verbosity; -extern int local_apic_timer_c2_ok; - -extern int disable_apic; -/* - * Basic functions accessing APICs. - */ -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt.h> -#else -#define setup_boot_clock setup_boot_APIC_clock -#define setup_secondary_clock setup_secondary_APIC_clock -#endif - -extern int is_vsmp_box(void); -extern void xapic_wait_icr_idle(void); -extern u32 safe_xapic_wait_icr_idle(void); -extern u64 xapic_icr_read(void); -extern void xapic_icr_write(u32, u32); -extern int setup_profiling_timer(unsigned int); - -static inline void native_apic_mem_write(u32 reg, u32 v) -{ - volatile u32 *addr = (volatile u32 *)(APIC_BASE + reg); - - alternative_io("movl %0, %1", "xchgl %0, %1", X86_FEATURE_11AP, - ASM_OUTPUT2("=r" (v), "=m" (*addr)), - ASM_OUTPUT2("0" (v), "m" (*addr))); -} - -static inline u32 native_apic_mem_read(u32 reg) -{ - return *((volatile u32 *)(APIC_BASE + reg)); -} - -static inline void native_apic_msr_write(u32 reg, u32 v) -{ - if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR || - reg == APIC_LVR) - return; - - wrmsr(APIC_BASE_MSR + (reg >> 4), v, 0); -} - -static inline u32 native_apic_msr_read(u32 reg) -{ - u32 low, high; - - if (reg == APIC_DFR) - return -1; - - rdmsr(APIC_BASE_MSR + (reg >> 4), low, high); - return low; -} - -#ifndef CONFIG_X86_32 -extern int x2apic, x2apic_preenabled; -extern void check_x2apic(void); -extern void enable_x2apic(void); -extern void enable_IR_x2apic(void); -extern void x2apic_icr_write(u32 low, u32 id); -static inline int x2apic_enabled(void) -{ - int msr, msr2; - - if (!cpu_has_x2apic) - return 0; - - rdmsr(MSR_IA32_APICBASE, msr, msr2); - if (msr & X2APIC_ENABLE) - return 1; - return 0; -} -#else -#define x2apic_enabled() 0 -#endif - -struct apic_ops { - u32 (*read)(u32 reg); - void (*write)(u32 reg, u32 v); - u64 (*icr_read)(void); - void (*icr_write)(u32 low, u32 high); - void (*wait_icr_idle)(void); - u32 (*safe_wait_icr_idle)(void); -}; - -extern struct apic_ops *apic_ops; - -#define apic_read (apic_ops->read) -#define apic_write (apic_ops->write) -#define apic_icr_read (apic_ops->icr_read) -#define apic_icr_write (apic_ops->icr_write) -#define apic_wait_icr_idle (apic_ops->wait_icr_idle) -#define safe_apic_wait_icr_idle (apic_ops->safe_wait_icr_idle) - -extern int get_physical_broadcast(void); - -#ifdef CONFIG_X86_64 -static inline void ack_x2APIC_irq(void) -{ - /* Docs say use 0 for future compatibility */ - native_apic_msr_write(APIC_EOI, 0); -} -#endif - - -static inline void ack_APIC_irq(void) -{ - /* - * ack_APIC_irq() actually gets compiled as a single instruction - * ... yummie. - */ - - /* Docs say use 0 for future compatibility */ - apic_write(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 end_local_APIC_setup(void); -extern void init_apic_mappings(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); - -/* - * On 32bit this is mach-xxx local - */ -#ifdef CONFIG_X86_64 -extern void early_init_lapic_mapping(void); -extern int apic_is_clustered_box(void); -#else -static inline int apic_is_clustered_box(void) -{ - return 0; -} -#endif - -extern u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask); -extern u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask); - - -#else /* !CONFIG_X86_LOCAL_APIC */ -static inline void lapic_shutdown(void) { } -#define local_apic_timer_c2_ok 1 -static inline void init_apic_mappings(void) { } - -#endif /* !CONFIG_X86_LOCAL_APIC */ - -#endif /* ASM_X86__APIC_H */ |