diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/include/asm/apic.h')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/include/asm/apic.h | 636 |
1 files changed, 0 insertions, 636 deletions
diff --git a/ANDROID_3.4.5/arch/x86/include/asm/apic.h b/ANDROID_3.4.5/arch/x86/include/asm/apic.h deleted file mode 100644 index d8541017..00000000 --- a/ANDROID_3.4.5/arch/x86/include/asm/apic.h +++ /dev/null @@ -1,636 +0,0 @@ -#ifndef _ASM_X86_APIC_H -#define _ASM_X86_APIC_H - -#include <linux/cpumask.h> -#include <linux/pm.h> - -#include <asm/alternative.h> -#include <asm/cpufeature.h> -#include <asm/processor.h> -#include <asm/apicdef.h> -#include <linux/atomic.h> -#include <asm/fixmap.h> -#include <asm/mpspec.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) - - -#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32) -extern void generic_apic_probe(void); -#else -static inline void generic_apic_probe(void) -{ -} -#endif - -#ifdef CONFIG_X86_LOCAL_APIC - -extern unsigned int apic_verbosity; -extern int local_apic_timer_c2_ok; - -extern int disable_apic; -extern unsigned int lapic_timer_frequency; - -#ifdef CONFIG_SMP -extern void __inquire_remote_apic(int apicid); -#else /* CONFIG_SMP */ -static inline void __inquire_remote_apic(int apicid) -{ -} -#endif /* CONFIG_SMP */ - -static inline void default_inquire_remote_apic(int apicid) -{ - if (apic_verbosity >= APIC_DEBUG) - __inquire_remote_apic(apicid); -} - -/* - * With 82489DX we can't rely on apic feature bit - * retrieved via cpuid but still have to deal with - * such an apic chip so we assume that SMP configuration - * is found from MP table (64bit case uses ACPI mostly - * which set smp presence flag as well so we are safe - * to use this helper too). - */ -static inline bool apic_from_smp_config(void) -{ - return smp_found_config && !disable_apic; -} - -/* - * Basic functions accessing APICs. - */ -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt.h> -#endif - -#ifdef CONFIG_X86_64 -extern int is_vsmp_box(void); -#else -static inline int is_vsmp_box(void) -{ - return 0; -} -#endif -extern void xapic_wait_icr_idle(void); -extern u32 safe_xapic_wait_icr_idle(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)); -} - -extern void native_apic_wait_icr_idle(void); -extern u32 native_safe_apic_wait_icr_idle(void); -extern void native_apic_icr_write(u32 low, u32 id); -extern u64 native_apic_icr_read(void); - -extern int x2apic_mode; - -#ifdef CONFIG_X86_X2APIC -/* - * Make previous memory operations globally visible before - * sending the IPI through x2apic wrmsr. We need a serializing instruction or - * mfence for this. - */ -static inline void x2apic_wrmsr_fence(void) -{ - asm volatile("mfence" : : : "memory"); -} - -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) -{ - u64 msr; - - if (reg == APIC_DFR) - return -1; - - rdmsrl(APIC_BASE_MSR + (reg >> 4), msr); - return (u32)msr; -} - -static inline void native_x2apic_wait_icr_idle(void) -{ - /* no need to wait for icr idle in x2apic */ - return; -} - -static inline u32 native_safe_x2apic_wait_icr_idle(void) -{ - /* no need to wait for icr idle in x2apic */ - return 0; -} - -static inline void native_x2apic_icr_write(u32 low, u32 id) -{ - wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low); -} - -static inline u64 native_x2apic_icr_read(void) -{ - unsigned long val; - - rdmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), val); - return val; -} - -extern int x2apic_phys; -extern int x2apic_preenabled; -extern void check_x2apic(void); -extern void enable_x2apic(void); -extern void x2apic_icr_write(u32 low, u32 id); -static inline int x2apic_enabled(void) -{ - u64 msr; - - if (!cpu_has_x2apic) - return 0; - - rdmsrl(MSR_IA32_APICBASE, msr); - if (msr & X2APIC_ENABLE) - return 1; - return 0; -} - -#define x2apic_supported() (cpu_has_x2apic) -static inline void x2apic_force_phys(void) -{ - x2apic_phys = 1; -} -#else -static inline void disable_x2apic(void) -{ -} -static inline void check_x2apic(void) -{ -} -static inline void enable_x2apic(void) -{ -} -static inline int x2apic_enabled(void) -{ - return 0; -} -static inline void x2apic_force_phys(void) -{ -} - -#define nox2apic 0 -#define x2apic_preenabled 0 -#define x2apic_supported() 0 -#endif - -extern void enable_IR_x2apic(void); - -extern int get_physical_broadcast(void); - -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 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 bsp_end_local_APIC_setup(void); -extern void init_apic_mappings(void); -void register_lapic_address(unsigned long address); -extern void setup_boot_APIC_clock(void); -extern void setup_secondary_APIC_clock(void); -extern int APIC_init_uniprocessor(void); -extern int apic_force_enable(unsigned long addr); - -/* - * On 32bit this is mach-xxx local - */ -#ifdef CONFIG_X86_64 -extern int apic_is_clustered_box(void); -#else -static inline int apic_is_clustered_box(void) -{ - return 0; -} -#endif - -extern int setup_APIC_eilvt(u8 lvt_off, 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) { } -static inline void disable_local_APIC(void) { } -# define setup_boot_APIC_clock x86_init_noop -# define setup_secondary_APIC_clock x86_init_noop -#endif /* !CONFIG_X86_LOCAL_APIC */ - -#ifdef CONFIG_X86_64 -#define SET_APIC_ID(x) (apic->set_apic_id(x)) -#else - -#endif - -/* - * Copyright 2004 James Cleverdon, IBM. - * Subject to the GNU Public License, v.2 - * - * Generic APIC sub-arch data struct. - * - * Hacked for x86-64 by James Cleverdon from i386 architecture code by - * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and - * James Cleverdon. - */ -struct apic { - char *name; - - int (*probe)(void); - int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); - int (*apic_id_valid)(int apicid); - int (*apic_id_registered)(void); - - u32 irq_delivery_mode; - u32 irq_dest_mode; - - const struct cpumask *(*target_cpus)(void); - - int disable_esr; - - int dest_logical; - unsigned long (*check_apicid_used)(physid_mask_t *map, int apicid); - unsigned long (*check_apicid_present)(int apicid); - - void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); - void (*init_apic_ldr)(void); - - void (*ioapic_phys_id_map)(physid_mask_t *phys_map, physid_mask_t *retmap); - - void (*setup_apic_routing)(void); - int (*multi_timer_check)(int apic, int irq); - int (*cpu_present_to_apicid)(int mps_cpu); - void (*apicid_to_cpu_present)(int phys_apicid, physid_mask_t *retmap); - void (*setup_portio_remap)(void); - int (*check_phys_apicid_present)(int phys_apicid); - void (*enable_apic_mode)(void); - int (*phys_pkg_id)(int cpuid_apic, int index_msb); - - /* - * When one of the next two hooks returns 1 the apic - * is switched to this. Essentially they are additional - * probe functions: - */ - int (*mps_oem_check)(struct mpc_table *mpc, char *oem, char *productid); - - unsigned int (*get_apic_id)(unsigned long x); - unsigned long (*set_apic_id)(unsigned int id); - unsigned long apic_id_mask; - - unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask); - unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask, - const struct cpumask *andmask); - - /* ipi */ - void (*send_IPI_mask)(const struct cpumask *mask, int vector); - void (*send_IPI_mask_allbutself)(const struct cpumask *mask, - int vector); - void (*send_IPI_allbutself)(int vector); - void (*send_IPI_all)(int vector); - void (*send_IPI_self)(int vector); - - /* wakeup_secondary_cpu */ - int (*wakeup_secondary_cpu)(int apicid, unsigned long start_eip); - - int trampoline_phys_low; - int trampoline_phys_high; - - void (*wait_for_init_deassert)(atomic_t *deassert); - void (*smp_callin_clear_local_apic)(void); - void (*inquire_remote_apic)(int apicid); - - /* 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); - -#ifdef CONFIG_X86_32 - /* - * Called very early during boot from get_smp_config(). It should - * return the logical apicid. x86_[bios]_cpu_to_apicid is - * initialized before this function is called. - * - * If logical apicid can't be determined that early, the function - * may return BAD_APICID. Logical apicid will be configured after - * init_apic_ldr() while bringing up CPUs. Note that NUMA affinity - * won't be applied properly during early boot in this case. - */ - int (*x86_32_early_logical_apicid)(int cpu); - - /* - * Optional method called from setup_local_APIC() after logical - * apicid is guaranteed to be known to initialize apicid -> node - * mapping if NUMA initialization hasn't done so already. Don't - * add new users. - */ - int (*x86_32_numa_cpu_node)(int cpu); -#endif -}; - -/* - * Pointer to the local APIC driver in use on this system (there's - * always just one such driver in use - the kernel decides via an - * early probing process which one it picks - and then sticks to it): - */ -extern struct apic *apic; - -/* - * APIC drivers are probed based on how they are listed in the .apicdrivers - * section. So the order is important and enforced by the ordering - * of different apic driver files in the Makefile. - * - * For the files having two apic drivers, we use apic_drivers() - * to enforce the order with in them. - */ -#define apic_driver(sym) \ - static struct apic *__apicdrivers_##sym __used \ - __aligned(sizeof(struct apic *)) \ - __section(.apicdrivers) = { &sym } - -#define apic_drivers(sym1, sym2) \ - static struct apic *__apicdrivers_##sym1##sym2[2] __used \ - __aligned(sizeof(struct apic *)) \ - __section(.apicdrivers) = { &sym1, &sym2 } - -extern struct apic *__apicdrivers[], *__apicdrivers_end[]; - -/* - * APIC functionality to boot other CPUs - only used on SMP: - */ -#ifdef CONFIG_SMP -extern atomic_t init_deasserted; -extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); -#endif - -#ifdef CONFIG_X86_LOCAL_APIC - -static inline u32 apic_read(u32 reg) -{ - return apic->read(reg); -} - -static inline void apic_write(u32 reg, u32 val) -{ - apic->write(reg, val); -} - -static inline u64 apic_icr_read(void) -{ - return apic->icr_read(); -} - -static inline void apic_icr_write(u32 low, u32 high) -{ - apic->icr_write(low, high); -} - -static inline void apic_wait_icr_idle(void) -{ - apic->wait_icr_idle(); -} - -static inline u32 safe_apic_wait_icr_idle(void) -{ - return apic->safe_wait_icr_idle(); -} - -#else /* CONFIG_X86_LOCAL_APIC */ - -static inline u32 apic_read(u32 reg) { return 0; } -static inline void apic_write(u32 reg, u32 val) { } -static inline u64 apic_icr_read(void) { return 0; } -static inline void apic_icr_write(u32 low, u32 high) { } -static inline void apic_wait_icr_idle(void) { } -static inline u32 safe_apic_wait_icr_idle(void) { return 0; } - -#endif /* CONFIG_X86_LOCAL_APIC */ - -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); -} - -static inline unsigned default_get_apic_id(unsigned long x) -{ - unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); - - if (APIC_XAPIC(ver) || boot_cpu_has(X86_FEATURE_EXTD_APICID)) - return (x >> 24) & 0xFF; - else - return (x >> 24) & 0x0F; -} - -/* - * Warm reset vector default position: - */ -#define DEFAULT_TRAMPOLINE_PHYS_LOW 0x467 -#define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469 - -#ifdef CONFIG_X86_64 -extern int default_acpi_madt_oem_check(char *, char *); - -extern void apic_send_IPI_self(int vector); - -DECLARE_PER_CPU(int, x2apic_extra_bits); - -extern int default_cpu_present_to_apicid(int mps_cpu); -extern int default_check_phys_apicid_present(int phys_apicid); -#endif - -static inline void default_wait_for_init_deassert(atomic_t *deassert) -{ - while (!atomic_read(deassert)) - cpu_relax(); - return; -} - -extern void generic_bigsmp_probe(void); - - -#ifdef CONFIG_X86_LOCAL_APIC - -#include <asm/smp.h> - -#define APIC_DFR_VALUE (APIC_DFR_FLAT) - -static inline const struct cpumask *default_target_cpus(void) -{ -#ifdef CONFIG_SMP - return cpu_online_mask; -#else - return cpumask_of(0); -#endif -} - -DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid); - - -static inline unsigned int read_apic_id(void) -{ - unsigned int reg; - - reg = apic_read(APIC_ID); - - return apic->get_apic_id(reg); -} - -static inline int default_apic_id_valid(int apicid) -{ - return (apicid < 255); -} - -extern void default_setup_apic_routing(void); - -extern struct apic apic_noop; - -#ifdef CONFIG_X86_32 - -static inline int noop_x86_32_early_logical_apicid(int cpu) -{ - return BAD_APICID; -} - -/* - * Set up the logical destination ID. - * - * Intel recommends to set DFR, LDR and TPR before enabling - * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel - * document number 292116). So here it goes... - */ -extern void default_init_apic_ldr(void); - -static inline int default_apic_id_registered(void) -{ - return physid_isset(read_apic_id(), phys_cpu_present_map); -} - -static inline int default_phys_pkg_id(int cpuid_apic, int index_msb) -{ - return cpuid_apic >> index_msb; -} - -#endif - -static inline unsigned int -default_cpu_mask_to_apicid(const struct cpumask *cpumask) -{ - return cpumask_bits(cpumask)[0] & APIC_ALL_CPUS; -} - -static inline unsigned int -default_cpu_mask_to_apicid_and(const struct cpumask *cpumask, - const struct cpumask *andmask) -{ - unsigned long mask1 = cpumask_bits(cpumask)[0]; - unsigned long mask2 = cpumask_bits(andmask)[0]; - unsigned long mask3 = cpumask_bits(cpu_online_mask)[0]; - - return (unsigned int)(mask1 & mask2 & mask3); -} - -static inline unsigned long default_check_apicid_used(physid_mask_t *map, int apicid) -{ - return physid_isset(apicid, *map); -} - -static inline unsigned long default_check_apicid_present(int bit) -{ - return physid_isset(bit, phys_cpu_present_map); -} - -static inline void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap) -{ - *retmap = *phys_map; -} - -static inline int __default_cpu_present_to_apicid(int mps_cpu) -{ - if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu)) - return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); - else - return BAD_APICID; -} - -static inline int -__default_check_phys_apicid_present(int phys_apicid) -{ - return physid_isset(phys_apicid, phys_cpu_present_map); -} - -#ifdef CONFIG_X86_32 -static inline int default_cpu_present_to_apicid(int mps_cpu) -{ - return __default_cpu_present_to_apicid(mps_cpu); -} - -static inline int -default_check_phys_apicid_present(int phys_apicid) -{ - return __default_check_phys_apicid_present(phys_apicid); -} -#else -extern int default_cpu_present_to_apicid(int mps_cpu); -extern int default_check_phys_apicid_present(int phys_apicid); -#endif - -#endif /* CONFIG_X86_LOCAL_APIC */ - -#endif /* _ASM_X86_APIC_H */ |