diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-24 21:52:27 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-02-24 21:52:27 +0100 |
commit | 87b203079ed949de52f0d92aeae20e5e0116c12f (patch) | |
tree | 1878756f936963822ed2d51a15db1da5814973e7 /arch/x86/include/asm | |
parent | 58105ef1857112a186696c9b8957020090226a28 (diff) | |
parent | a852cbfaaf8122827602027b1614971cfd832304 (diff) |
Merge branch 'x86/core' into core/percpu
Diffstat (limited to 'arch/x86/include/asm')
101 files changed, 1762 insertions, 3867 deletions
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 9830681446a..4518dc50090 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -102,9 +102,6 @@ static inline void disable_acpi(void) acpi_noirq = 1; } -/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */ -#define FIX_ACPI_PAGES 4 - extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); static inline void acpi_noirq_set(void) { acpi_noirq = 1; } diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index ab1d51a8855..a6208dc7463 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -1,15 +1,18 @@ #ifndef _ASM_X86_APIC_H #define _ASM_X86_APIC_H -#include <linux/pm.h> +#include <linux/cpumask.h> #include <linux/delay.h> +#include <linux/pm.h> #include <asm/alternative.h> -#include <asm/fixmap.h> -#include <asm/apicdef.h> +#include <asm/cpufeature.h> #include <asm/processor.h> +#include <asm/apicdef.h> +#include <asm/atomic.h> +#include <asm/fixmap.h> +#include <asm/mpspec.h> #include <asm/system.h> -#include <asm/cpufeature.h> #include <asm/msr.h> #define ARCH_APICTIMER_STOPS_ON_C3 1 @@ -33,7 +36,13 @@ } 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 @@ -41,6 +50,21 @@ extern unsigned int apic_verbosity; extern int local_apic_timer_c2_ok; extern int disable_apic; + +#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); +} + /* * Basic functions accessing APICs. */ @@ -71,6 +95,12 @@ 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); + +#ifdef CONFIG_X86_X2APIC static inline void native_apic_msr_write(u32 reg, u32 v) { if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR || @@ -91,8 +121,32 @@ static inline u32 native_apic_msr_read(u32 reg) return low; } -#ifndef CONFIG_X86_32 -extern int x2apic; +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, x2apic_phys; extern void check_x2apic(void); extern void enable_x2apic(void); extern void enable_IR_x2apic(void); @@ -110,30 +164,24 @@ static inline int x2apic_enabled(void) return 0; } #else -#define x2apic_enabled() 0 +static inline void check_x2apic(void) +{ +} +static inline void enable_x2apic(void) +{ +} +static inline void enable_IR_x2apic(void) +{ +} +static inline int x2apic_enabled(void) +{ + return 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 +#ifdef CONFIG_X86_X2APIC static inline void ack_x2APIC_irq(void) { /* Docs say use 0 for future compatibility */ @@ -141,18 +189,6 @@ static inline void ack_x2APIC_irq(void) } #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); @@ -196,4 +232,316 @@ static inline void disable_local_APIC(void) { } #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_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 bitmap, int apicid); + unsigned long (*check_apicid_present)(int apicid); + + void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); + void (*init_apic_ldr)(void); + + physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map); + + void (*setup_apic_routing)(void); + int (*multi_timer_check)(int apic, int irq); + int (*apicid_to_node)(int logical_apicid); + int (*cpu_to_logical_apicid)(int cpu); + int (*cpu_present_to_apicid)(int mps_cpu); + physid_mask_t (*apicid_to_cpu_present)(int phys_apicid); + void (*setup_portio_remap)(void); + int (*check_phys_apicid_present)(int boot_cpu_physical_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_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); +}; + +extern struct apic *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(); +} + + +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)) + 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_32 +extern void es7000_update_apic_to_cluster(void); +#else +extern struct apic apic_flat; +extern struct apic apic_physflat; +extern struct apic apic_x2apic_cluster; +extern struct apic apic_x2apic_phys; +extern int default_acpi_madt_oem_check(char *, char *); + +extern void apic_send_IPI_self(int vector); + +extern struct apic apic_x2apic_uv_x; +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 boot_cpu_physical_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); +} + +extern void default_setup_apic_routing(void); + +#ifdef CONFIG_X86_32 +/* + * 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 unsigned int +default_cpu_mask_to_apicid(const struct cpumask *cpumask) +{ + return cpumask_bits(cpumask)[0]; +} + +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 int default_phys_pkg_id(int cpuid_apic, int index_msb) +{ + return cpuid_apic >> index_msb; +} + +extern int default_apicid_to_node(int logical_apicid); + +#endif + +static inline unsigned long default_check_apicid_used(physid_mask_t bitmap, int apicid) +{ + return physid_isset(apicid, bitmap); +} + +static inline unsigned long default_check_apicid_present(int bit) +{ + return physid_isset(bit, phys_cpu_present_map); +} + +static inline physid_mask_t default_ioapic_phys_id_map(physid_mask_t phys_map) +{ + return phys_map; +} + +/* Mapping from cpu number to logical apicid */ +static inline int default_cpu_to_logical_apicid(int cpu) +{ + return 1 << cpu; +} + +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 boot_cpu_physical_apicid) +{ + return physid_isset(boot_cpu_physical_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 boot_cpu_physical_apicid) +{ + return __default_check_phys_apicid_present(boot_cpu_physical_apicid); +} +#else +extern int default_cpu_present_to_apicid(int mps_cpu); +extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid); +#endif + +static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid) +{ + return physid_mask_of_physid(phys_apicid); +} + +#endif /* CONFIG_X86_LOCAL_APIC */ + +#ifdef CONFIG_X86_32 +extern u8 cpu_2_logical_apicid[NR_CPUS]; +#endif + #endif /* _ASM_X86_APIC_H */ diff --git a/arch/x86/include/asm/mach-default/apm.h b/arch/x86/include/asm/apm.h index 20370c6db74..20370c6db74 100644 --- a/arch/x86/include/asm/mach-default/apm.h +++ b/arch/x86/include/asm/apm.h diff --git a/arch/x86/include/asm/arch_hooks.h b/arch/x86/include/asm/arch_hooks.h deleted file mode 100644 index cbd4957838a..00000000000 --- a/arch/x86/include/asm/arch_hooks.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef _ASM_X86_ARCH_HOOKS_H -#define _ASM_X86_ARCH_HOOKS_H - -#include <linux/interrupt.h> - -/* - * linux/include/asm/arch_hooks.h - * - * define the architecture specific hooks - */ - -/* these aren't arch hooks, they are generic routines - * that can be used by the hooks */ -extern void init_ISA_irqs(void); -extern irqreturn_t timer_interrupt(int irq, void *dev_id); - -/* these are the defined hooks */ -extern void intr_init_hook(void); -extern void pre_intr_init_hook(void); -extern void pre_setup_arch_hook(void); -extern void trap_init_hook(void); -extern void pre_time_init_hook(void); -extern void time_init_hook(void); -extern void mca_nmi_hook(void); - -#endif /* _ASM_X86_ARCH_HOOKS_H */ diff --git a/arch/x86/include/asm/bigsmp/apic.h b/arch/x86/include/asm/bigsmp/apic.h deleted file mode 100644 index d8dd9f53791..00000000000 --- a/arch/x86/include/asm/bigsmp/apic.h +++ /dev/null @@ -1,155 +0,0 @@ -#ifndef __ASM_MACH_APIC_H -#define __ASM_MACH_APIC_H - -#define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu)) -#define esr_disable (1) - -static inline int apic_id_registered(void) -{ - return (1); -} - -static inline const cpumask_t *target_cpus(void) -{ -#ifdef CONFIG_SMP - return &cpu_online_map; -#else - return &cpumask_of_cpu(0); -#endif -} - -#undef APIC_DEST_LOGICAL -#define APIC_DEST_LOGICAL 0 -#define APIC_DFR_VALUE (APIC_DFR_FLAT) -#define INT_DELIVERY_MODE (dest_Fixed) -#define INT_DEST_MODE (0) /* phys delivery to target proc */ -#define NO_BALANCE_IRQ (0) - -static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) -{ - return (0); -} - -static inline unsigned long check_apicid_present(int bit) -{ - return (1); -} - -static inline unsigned long calculate_ldr(int cpu) -{ - unsigned long val, id; - val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; - id = xapic_phys_to_log_apicid(cpu); - val |= SET_APIC_LOGICAL_ID(id); - return val; -} - -/* - * 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... - */ -static inline void init_apic_ldr(void) -{ - unsigned long val; - int cpu = smp_processor_id(); - - apic_write(APIC_DFR, APIC_DFR_VALUE); - val = calculate_ldr(cpu); - apic_write(APIC_LDR, val); -} - -static inline void setup_apic_routing(void) -{ - printk("Enabling APIC mode: %s. Using %d I/O APICs\n", - "Physflat", nr_ioapics); -} - -static inline int multi_timer_check(int apic, int irq) -{ - return (0); -} - -static inline int apicid_to_node(int logical_apicid) -{ - return apicid_2_node[hard_smp_processor_id()]; -} - -static inline int cpu_present_to_apicid(int mps_cpu) -{ - if (mps_cpu < nr_cpu_ids) - return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu); - - return BAD_APICID; -} - -static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) -{ - return physid_mask_of_physid(phys_apicid); -} - -extern u8 cpu_2_logical_apicid[]; -/* Mapping from cpu number to logical apicid */ -static inline int cpu_to_logical_apicid(int cpu) -{ - if (cpu >= nr_cpu_ids) - return BAD_APICID; - return cpu_physical_id(cpu); -} - -static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) -{ - /* For clustered we don't have a good way to do this yet - hack */ - return physids_promote(0xFFL); -} - -static inline void setup_portio_remap(void) -{ -} - -static inline void enable_apic_mode(void) -{ -} - -static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) -{ - return (1); -} - -/* As we are using single CPU as destination, pick only one CPU here */ -static inline unsigned int cpu_mask_to_apicid(const cpumask_t *cpumask) -{ - int cpu; - int apicid; - - cpu = first_cpu(*cpumask); - apicid = cpu_to_logical_apicid(cpu); - return apicid; -} - -static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *cpumask, - const struct cpumask *andmask) -{ - int cpu; - - /* - * We're using fixed IRQ delivery, can only return one phys APIC ID. - * May as well be the first. - */ - for_each_cpu_and(cpu, cpumask, andmask) - if (cpumask_test_cpu(cpu, cpu_online_mask)) - break; - if (cpu < nr_cpu_ids) - return cpu_to_logical_apicid(cpu); - - return BAD_APICID; -} - -static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) -{ - return cpuid_apic >> index_msb; -} - -#endif /* __ASM_MACH_APIC_H */ diff --git a/arch/x86/include/asm/bigsmp/apicdef.h b/arch/x86/include/asm/bigsmp/apicdef.h deleted file mode 100644 index 392c3f5ef2f..00000000000 --- a/arch/x86/include/asm/bigsmp/apicdef.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef __ASM_MACH_APICDEF_H -#define __ASM_MACH_APICDEF_H - -#define APIC_ID_MASK (0xFF<<24) - -static inline unsigned get_apic_id(unsigned long x) -{ - return (((x)>>24)&0xFF); -} - -#define GET_APIC_ID(x) get_apic_id(x) - -#endif diff --git a/arch/x86/include/asm/bigsmp/ipi.h b/arch/x86/include/asm/bigsmp/ipi.h deleted file mode 100644 index 27fcd01b3ae..00000000000 --- a/arch/x86/include/asm/bigsmp/ipi.h +++ /dev/null @@ -1,22 +0,0 @@ -#ifndef __ASM_MACH_IPI_H -#define __ASM_MACH_IPI_H - -void send_IPI_mask_sequence(const struct cpumask *mask, int vector); -void send_IPI_mask_allbutself(const struct cpumask *mask, int vector); - -static inline void send_IPI_mask(const struct cpumask *mask, int vector) -{ - send_IPI_mask_sequence(mask, vector); -} - -static inline void send_IPI_allbutself(int vector) -{ - send_IPI_mask_allbutself(cpu_online_mask, vector); -} - -static inline void send_IPI_all(int vector) -{ - send_IPI_mask(cpu_online_mask, vector); -} - -#endif /* __ASM_MACH_IPI_H */ diff --git a/arch/x86/include/asm/calling.h b/arch/x86/include/asm/calling.h index 2bc162e0ec6..0e63c9a2a8d 100644 --- a/arch/x86/include/asm/calling.h +++ b/arch/x86/include/asm/calling.h @@ -1,5 +1,55 @@ /* - * Some macros to handle stack frames in assembly. + + x86 function call convention, 64-bit: + ------------------------------------- + arguments | callee-saved | extra caller-saved | return + [callee-clobbered] | | [callee-clobbered] | + --------------------------------------------------------------------------- + rdi rsi rdx rcx r8-9 | rbx rbp [*] r12-15 | r10-11 | rax, rdx [**] + + ( rsp is obviously invariant across normal function calls. (gcc can 'merge' + functions when it sees tail-call optimization possibilities) rflags is + clobbered. Leftover arguments are passed over the stack frame.) + + [*] In the frame-pointers case rbp is fixed to the stack frame. + + [**] for struct return values wider than 64 bits the return convention is a + bit more complex: up to 128 bits width we return small structures + straight in rax, rdx. For structures larger than that (3 words or + larger) the caller puts a pointer to an on-stack return struct + [allocated in the caller's stack frame] into the first argument - i.e. + into rdi. All other arguments shift up by one in this case. + Fortunately this case is rare in the kernel. + +For 32-bit we have the following conventions - kernel is built with +-mregparm=3 and -freg-struct-return: + + x86 function calling convention, 32-bit: + ---------------------------------------- + arguments | callee-saved | extra caller-saved | return + [callee-clobbered] | | [callee-clobbered] | + ------------------------------------------------------------------------- + eax edx ecx | ebx edi esi ebp [*] | <none> | eax, edx [**] + + ( here too esp is obviously invariant across normal function calls. eflags + is clobbered. Leftover arguments are passed over the stack frame. ) + + [*] In the frame-pointers case ebp is fixed to the stack frame. + + [**] We build with -freg-struct-return, which on 32-bit means similar + semantics as on 64-bit: edx can be used for a second return value + (i.e. covering integer and structure sizes up to 64 bits) - after that + it gets more complex and more expensive: 3-word or larger struct returns + get done in the caller's frame and the pointer to the return struct goes + into regparm0, i.e. eax - the other arguments shift up and the + function's register parameters degenerate to regparm=2 in essence. + +*/ + + +/* + * 64-bit system call stack frame layout defines and helpers, + * for assembly code: */ #define R15 0 @@ -9,7 +59,7 @@ #define RBP 32 #define RBX 40 -/* arguments: interrupts/non tracing syscalls only save upto here*/ +/* arguments: interrupts/non tracing syscalls only save up to here: */ #define R11 48 #define R10 56 #define R9 64 @@ -22,7 +72,7 @@ #define ORIG_RAX 120 /* + error_code */ /* end of arguments */ -/* cpu exception frame or undefined in case of fast syscall. */ +/* cpu exception frame or undefined in case of fast syscall: */ #define RIP 128 #define CS 136 #define EFLAGS 144 diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index f03b23e3286..b185091bf19 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -32,10 +32,6 @@ extern void arch_unregister_cpu(int); DECLARE_PER_CPU(int, cpu_state); -#ifdef CONFIG_X86_HAS_BOOT_CPU_ID -extern unsigned char boot_cpu_id; -#else -#define boot_cpu_id 0 -#endif +extern unsigned int boot_cpu_id; #endif /* _ASM_X86_CPU_H */ diff --git a/arch/x86/include/asm/mach-default/do_timer.h b/arch/x86/include/asm/do_timer.h index 23ecda0b28a..23ecda0b28a 100644 --- a/arch/x86/include/asm/mach-default/do_timer.h +++ b/arch/x86/include/asm/do_timer.h diff --git a/arch/x86/include/asm/mach-default/entry_arch.h b/arch/x86/include/asm/entry_arch.h index 6fa399ad1de..854d538ae85 100644 --- a/arch/x86/include/asm/mach-default/entry_arch.h +++ b/arch/x86/include/asm/entry_arch.h @@ -9,7 +9,7 @@ * is no hardware IRQ pin equivalent for them, they are triggered * through the ICC by us (IPIs) */ -#ifdef CONFIG_X86_SMP +#ifdef CONFIG_SMP BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR) BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR) BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR) @@ -41,10 +41,15 @@ BUILD_INTERRUPT3(invalidate_interrupt7,INVALIDATE_TLB_VECTOR_START+7, * a much simpler SMP time architecture: */ #ifdef CONFIG_X86_LOCAL_APIC + BUILD_INTERRUPT(apic_timer_interrupt,LOCAL_TIMER_VECTOR) BUILD_INTERRUPT(error_interrupt,ERROR_APIC_VECTOR) BUILD_INTERRUPT(spurious_interrupt,SPURIOUS_APIC_VECTOR) +#ifdef CONFIG_PERF_COUNTERS +BUILD_INTERRUPT(perf_counter_interrupt, LOCAL_PERF_VECTOR) +#endif + #ifdef CONFIG_X86_MCE_P4THERMAL BUILD_INTERRUPT(thermal_interrupt,THERMAL_APIC_VECTOR) #endif diff --git a/arch/x86/include/asm/es7000/apic.h b/arch/x86/include/asm/es7000/apic.h deleted file mode 100644 index c58b9cc7446..00000000000 --- a/arch/x86/include/asm/es7000/apic.h +++ /dev/null @@ -1,242 +0,0 @@ -#ifndef __ASM_ES7000_APIC_H -#define __ASM_ES7000_APIC_H - -#include <linux/gfp.h> - -#define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu) -#define esr_disable (1) - -static inline int apic_id_registered(void) -{ - return (1); -} - -static inline const cpumask_t *target_cpus_cluster(void) -{ - return &CPU_MASK_ALL; -} - -static inline const cpumask_t *target_cpus(void) -{ - return &cpumask_of_cpu(smp_processor_id()); -} - -#define APIC_DFR_VALUE_CLUSTER (APIC_DFR_CLUSTER) -#define INT_DELIVERY_MODE_CLUSTER (dest_LowestPrio) -#define INT_DEST_MODE_CLUSTER (1) /* logical delivery broadcast to all procs */ -#define NO_BALANCE_IRQ_CLUSTER (1) - -#define APIC_DFR_VALUE (APIC_DFR_FLAT) -#define INT_DELIVERY_MODE (dest_Fixed) -#define INT_DEST_MODE (0) /* phys delivery to target procs */ -#define NO_BALANCE_IRQ (0) -#undef APIC_DEST_LOGICAL -#define APIC_DEST_LOGICAL 0x0 - -static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) -{ - return 0; -} -static inline unsigned long check_apicid_present(int bit) -{ - return physid_isset(bit, phys_cpu_present_map); -} - -#define apicid_cluster(apicid) (apicid & 0xF0) - -static inline unsigned long calculate_ldr(int cpu) -{ - unsigned long id; - id = xapic_phys_to_log_apicid(cpu); - return (SET_APIC_LOGICAL_ID(id)); -} - -/* - * 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... - */ -static inline void init_apic_ldr_cluster(void) -{ - unsigned long val; - int cpu = smp_processor_id(); - - apic_write(APIC_DFR, APIC_DFR_VALUE_CLUSTER); - val = calculate_ldr(cpu); - apic_write(APIC_LDR, val); -} - -static inline void init_apic_ldr(void) -{ - unsigned long val; - int cpu = smp_processor_id(); - - apic_write(APIC_DFR, APIC_DFR_VALUE); - val = calculate_ldr(cpu); - apic_write(APIC_LDR, val); -} - -extern int apic_version [MAX_APICS]; -static inline void setup_apic_routing(void) -{ - int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); - printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", - (apic_version[apic] == 0x14) ? - "Physical Cluster" : "Logical Cluster", - nr_ioapics, cpus_addr(*target_cpus())[0]); -} - -static inline int multi_timer_check(int apic, int irq) -{ - return 0; -} - -static inline int apicid_to_node(int logical_apicid) -{ - return 0; -} - - -static inline int cpu_present_to_apicid(int mps_cpu) -{ - if (!mps_cpu) - return boot_cpu_physical_apicid; - else if (mps_cpu < nr_cpu_ids) - return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu); - else - return BAD_APICID; -} - -static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) -{ - static int id = 0; - physid_mask_t mask; - mask = physid_mask_of_physid(id); - ++id; - return mask; -} - -extern u8 cpu_2_logical_apicid[]; -/* Mapping from cpu number to logical apicid */ -static inline int cpu_to_logical_apicid(int cpu) -{ -#ifdef CONFIG_SMP - if (cpu >= nr_cpu_ids) - return BAD_APICID; - return (int)cpu_2_logical_apicid[cpu]; -#else - return logical_smp_processor_id(); -#endif -} - -static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) -{ - /* For clustered we don't have a good way to do this yet - hack */ - return physids_promote(0xff); -} - - -static inline void setup_portio_remap(void) -{ -} - -extern unsigned int boot_cpu_physical_apicid; -static inline int check_phys_apicid_present(int cpu_physical_apicid) -{ - boot_cpu_physical_apicid = read_apic_id(); - return (1); -} - -static inline unsigned int -cpu_mask_to_apicid_cluster(const struct cpumask *cpumask) -{ - int num_bits_set; - int cpus_found = 0; - int cpu; - int apicid; - - num_bits_set = cpumask_weight(cpumask); - /* Return id to all */ - if (num_bits_set == nr_cpu_ids) - return 0xFF; - /* - * The cpus in the mask must all be on the apic cluster. If are not - * on the same apicid cluster return default value of TARGET_CPUS. - */ - cpu = cpumask_first(cpumask); - apicid = cpu_to_logical_apicid(cpu); - while (cpus_found < num_bits_set) { - if (cpumask_test_cpu(cpu, cpumask)) { - int new_apicid = cpu_to_logical_apicid(cpu); - if (apicid_cluster(apicid) != - apicid_cluster(new_apicid)){ - printk ("%s: Not a valid mask!\n", __func__); - return 0xFF; - } - apicid = new_apicid; - cpus_found++; - } - cpu++; - } - return apicid; -} - -static inline unsigned int cpu_mask_to_apicid(const cpumask_t *cpumask) -{ - int num_bits_set; - int cpus_found = 0; - int cpu; - int apicid; - - num_bits_set = cpus_weight(*cpumask); - /* Return id to all */ - if (num_bits_set == nr_cpu_ids) - return cpu_to_logical_apicid(0); - /* - * The cpus in the mask must all be on the apic cluster. If are not - * on the same apicid cluster return default value of TARGET_CPUS. - */ - cpu = first_cpu(*cpumask); - apicid = cpu_to_logical_apicid(cpu); - while (cpus_found < num_bits_set) { - if (cpu_isset(cpu, *cpumask)) { - int new_apicid = cpu_to_logical_apicid(cpu); - if (apicid_cluster(apicid) != - apicid_cluster(new_apicid)){ - printk ("%s: Not a valid mask!\n", __func__); - return cpu_to_logical_apicid(0); - } - apicid = new_apicid; - cpus_found++; - } - cpu++; - } - return apicid; -} - - -static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *inmask, - const struct cpumask *andmask) -{ - int apicid = cpu_to_logical_apicid(0); - cpumask_var_t cpumask; - - if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC)) - return apicid; - - cpumask_and(cpumask, inmask, andmask); - cpumask_and(cpumask, cpumask, cpu_online_mask); - apicid = cpu_mask_to_apicid(cpumask); - - free_cpumask_var(cpumask); - return apicid; -} - -static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) -{ - return cpuid_apic >> index_msb; -} - -#endif /* __ASM_ES7000_APIC_H */ diff --git a/arch/x86/include/asm/es7000/apicdef.h b/arch/x86/include/asm/es7000/apicdef.h deleted file mode 100644 index 8b234a3cb85..00000000000 --- a/arch/x86/include/asm/es7000/apicdef.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef __ASM_ES7000_APICDEF_H -#define __ASM_ES7000_APICDEF_H - -#define APIC_ID_MASK (0xFF<<24) - -static inline unsigned get_apic_id(unsigned long x) -{ - return (((x)>>24)&0xFF); -} - -#define GET_APIC_ID(x) get_apic_id(x) - -#endif diff --git a/arch/x86/include/asm/es7000/ipi.h b/arch/x86/include/asm/es7000/ipi.h deleted file mode 100644 index 7e8ed24d4b8..00000000000 --- a/arch/x86/include/asm/es7000/ipi.h +++ /dev/null @@ -1,22 +0,0 @@ -#ifndef __ASM_ES7000_IPI_H -#define __ASM_ES7000_IPI_H - -void send_IPI_mask_sequence(const struct cpumask *mask, int vector); -void send_IPI_mask_allbutself(const struct cpumask *mask, int vector); - -static inline void send_IPI_mask(const struct cpumask *mask, int vector) -{ - send_IPI_mask_sequence(mask, vector); -} - -static inline void send_IPI_allbutself(int vector) -{ - send_IPI_mask_allbutself(cpu_online_mask, vector); -} - -static inline void send_IPI_all(int vector) -{ - send_IPI_mask(cpu_online_mask, vector); -} - -#endif /* __ASM_ES7000_IPI_H */ diff --git a/arch/x86/include/asm/es7000/mpparse.h b/arch/x86/include/asm/es7000/mpparse.h deleted file mode 100644 index c1629b090ec..00000000000 --- a/arch/x86/include/asm/es7000/mpparse.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef __ASM_ES7000_MPPARSE_H -#define __ASM_ES7000_MPPARSE_H - -#include <linux/acpi.h> - -extern int parse_unisys_oem (char *oemptr); -extern int find_unisys_acpi_oem_table(unsigned long *oem_addr); -extern void unmap_unisys_acpi_oem_table(unsigned long oem_addr); -extern void setup_unisys(void); - -#ifndef CONFIG_X86_GENERICARCH -extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id); -extern int mps_oem_check(struct mpc_table *mpc, char *oem, char *productid); -#endif - -#ifdef CONFIG_ACPI - -static inline int es7000_check_dsdt(void) -{ - struct acpi_table_header header; - - if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) && - !strncmp(header.oem_id, "UNISYS", 6)) - return 1; - return 0; -} -#endif - -#endif /* __ASM_MACH_MPPARSE_H */ diff --git a/arch/x86/include/asm/es7000/wakecpu.h b/arch/x86/include/asm/es7000/wakecpu.h deleted file mode 100644 index 78f0daaee43..00000000000 --- a/arch/x86/include/asm/es7000/wakecpu.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef __ASM_ES7000_WAKECPU_H -#define __ASM_ES7000_WAKECPU_H - -#define TRAMPOLINE_PHYS_LOW 0x467 -#define TRAMPOLINE_PHYS_HIGH 0x469 - -static inline void wait_for_init_deassert(atomic_t *deassert) -{ -#ifndef CONFIG_ES7000_CLUSTERED_APIC - while (!atomic_read(deassert)) - cpu_relax(); -#endif - return; -} - -/* Nothing to do for most platforms, since cleared by the INIT cycle */ -static inline void smp_callin_clear_local_apic(void) -{ -} - -static inline void store_NMI_vector(unsigned short *high, unsigned short *low) -{ -} - -static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) -{ -} - -extern void __inquire_remote_apic(int apicid); - -static inline void inquire_remote_apic(int apicid) -{ - if (apic_verbosity >= APIC_DEBUG) - __inquire_remote_apic(apicid); -} - -#endif /* __ASM_MACH_WAKECPU_H */ diff --git a/arch/x86/include/asm/fixmap_32.h b/arch/x86/include/asm/fixmap_32.h index c7115c1d721..047d9bab2b3 100644 --- a/arch/x86/include/asm/fixmap_32.h +++ b/arch/x86/include/asm/fixmap_32.h @@ -95,10 +95,6 @@ enum fixed_addresses { (__end_of_permanent_fixed_addresses & 255), FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, FIX_WP_TEST, -#ifdef CONFIG_ACPI - FIX_ACPI_BEGIN, - FIX_ACPI_END = FIX_ACPI_BEGIN + FIX_ACPI_PAGES - 1, -#endif #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT FIX_OHCI1394_BASE, #endif diff --git a/arch/x86/include/asm/fixmap_64.h b/arch/x86/include/asm/fixmap_64.h index 00a30ab9b1a..298d9ba3fae 100644 --- a/arch/x86/include/asm/fixmap_64.h +++ b/arch/x86/include/asm/fixmap_64.h @@ -50,10 +50,6 @@ enum fixed_addresses { FIX_PARAVIRT_BOOTMAP, #endif __end_of_permanent_fixed_addresses, -#ifdef CONFIG_ACPI - FIX_ACPI_BEGIN, - FIX_ACPI_END = FIX_ACPI_BEGIN + FIX_ACPI_PAGES - 1, -#endif #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT FIX_OHCI1394_BASE, #endif diff --git a/arch/x86/include/asm/genapic.h b/arch/x86/include/asm/genapic.h index d48bee663a6..4b8b98fa7f2 100644 --- a/arch/x86/include/asm/genapic.h +++ b/arch/x86/include/asm/genapic.h @@ -1,5 +1 @@ -#ifdef CONFIG_X86_32 -# include "genapic_32.h" -#else -# include "genapic_64.h" -#endif +#include <asm/apic.h> diff --git a/arch/x86/include/asm/genapic_32.h b/arch/x86/include/asm/genapic_32.h deleted file mode 100644 index 4334502d366..00000000000 --- a/arch/x86/include/asm/genapic_32.h +++ /dev/null @@ -1,141 +0,0 @@ -#ifndef _ASM_X86_GENAPIC_32_H -#define _ASM_X86_GENAPIC_32_H - -#include <asm/mpspec.h> -#include <asm/atomic.h> - -/* - * Generic APIC driver interface. - * - * An straight forward mapping of the APIC related parts of the - * x86 subarchitecture interface to a dynamic object. - * - * This is used by the "generic" x86 subarchitecture. - * - * Copyright 2003 Andi Kleen, SuSE Labs. - */ - -struct mpc_bus; -struct mpc_table; -struct mpc_cpu; - -struct genapic { - char *name; - int (*probe)(void); - - int (*apic_id_registered)(void); - const struct cpumask *(*target_cpus)(void); - int int_delivery_mode; - int int_dest_mode; - int ESR_DISABLE; - int apic_destination_logical; - unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid); - unsigned long (*check_apicid_present)(int apicid); - int no_balance_irq; - int no_ioapic_check; - void (*init_apic_ldr)(void); - physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map); - - void (*setup_apic_routing)(void); - int (*multi_timer_check)(int apic, int irq); - int (*apicid_to_node)(int logical_apicid); - int (*cpu_to_logical_apicid)(int cpu); - int (*cpu_present_to_apicid)(int mps_cpu); - physid_mask_t (*apicid_to_cpu_present)(int phys_apicid); - void (*setup_portio_remap)(void); - int (*check_phys_apicid_present)(int boot_cpu_physical_apicid); - void (*enable_apic_mode)(void); - u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb); - - /* mpparse */ - /* When one of the next two hooks returns 1 the genapic - is switched to this. Essentially they are additional probe - functions. */ - int (*mps_oem_check)(struct mpc_table *mpc, char *oem, - char *productid); - int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); - - unsigned (*get_apic_id)(unsigned long x); - 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); - void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); - -#ifdef CONFIG_SMP - /* 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); -#endif - int (*wakeup_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 (*store_NMI_vector)(unsigned short *high, unsigned short *low); - void (*restore_NMI_vector)(unsigned short *high, unsigned short *low); - void (*inquire_remote_apic)(int apicid); -}; - -#define APICFUNC(x) .x = x, - -/* More functions could be probably marked IPIFUNC and save some space - in UP GENERICARCH kernels, but I don't have the nerve right now - to untangle this mess. -AK */ -#ifdef CONFIG_SMP -#define IPIFUNC(x) APICFUNC(x) -#else -#define IPIFUNC(x) -#endif - -#define APIC_INIT(aname, aprobe) \ -{ \ - .name = aname, \ - .probe = aprobe, \ - .int_delivery_mode = INT_DELIVERY_MODE, \ - .int_dest_mode = INT_DEST_MODE, \ - .no_balance_irq = NO_BALANCE_IRQ, \ - .ESR_DISABLE = esr_disable, \ - .apic_destination_logical = APIC_DEST_LOGICAL, \ - APICFUNC(apic_id_registered) \ - APICFUNC(target_cpus) \ - APICFUNC(check_apicid_used) \ - APICFUNC(check_apicid_present) \ - APICFUNC(init_apic_ldr) \ - APICFUNC(ioapic_phys_id_map) \ - APICFUNC(setup_apic_routing) \ - APICFUNC(multi_timer_check) \ - APICFUNC(apicid_to_node) \ - APICFUNC(cpu_to_logical_apicid) \ - APICFUNC(cpu_present_to_apicid) \ - APICFUNC(apicid_to_cpu_present) \ - APICFUNC(setup_portio_remap) \ - APICFUNC(check_phys_apicid_present) \ - APICFUNC(mps_oem_check) \ - APICFUNC(get_apic_id) \ - .apic_id_mask = APIC_ID_MASK, \ - APICFUNC(cpu_mask_to_apicid) \ - APICFUNC(cpu_mask_to_apicid_and) \ - APICFUNC(vector_allocation_domain) \ - APICFUNC(acpi_madt_oem_check) \ - IPIFUNC(send_IPI_mask) \ - IPIFUNC(send_IPI_allbutself) \ - IPIFUNC(send_IPI_all) \ - APICFUNC(enable_apic_mode) \ - APICFUNC(phys_pkg_id) \ - .trampoline_phys_low = TRAMPOLINE_PHYS_LOW, \ - .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, \ - APICFUNC(wait_for_init_deassert) \ - APICFUNC(smp_callin_clear_local_apic) \ - APICFUNC(store_NMI_vector) \ - APICFUNC(restore_NMI_vector) \ - APICFUNC(inquire_remote_apic) \ -} - -extern struct genapic *genapic; -extern void es7000_update_genapic_to_cluster(void); - -#endif /* _ASM_X86_GENAPIC_32_H */ diff --git a/arch/x86/include/asm/genapic_64.h b/arch/x86/include/asm/genapic_64.h deleted file mode 100644 index 7bb092c5905..00000000000 --- a/arch/x86/include/asm/genapic_64.h +++ /dev/null @@ -1,60 +0,0 @@ -#ifndef _ASM_X86_GENAPIC_64_H -#define _ASM_X86_GENAPIC_64_H - -#include <linux/cpumask.h> - -/* - * 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 genapic { - char *name; - int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); - u32 int_delivery_mode; - u32 int_dest_mode; - int (*apic_id_registered)(void); - const struct cpumask *(*target_cpus)(void); - void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); - void (*init_apic_ldr)(void); - /* 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); - /* */ - 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); - unsigned int (*phys_pkg_id)(int index_msb); - unsigned int (*get_apic_id)(unsigned long x); - unsigned long (*set_apic_id)(unsigned int id); - unsigned long apic_id_mask; - /* wakeup_secondary_cpu */ - int (*wakeup_cpu)(int apicid, unsigned long start_eip); -}; - -extern struct genapic *genapic; - -extern struct genapic apic_flat; -extern struct genapic apic_physflat; -extern struct genapic apic_x2apic_cluster; -extern struct genapic apic_x2apic_phys; -extern int acpi_madt_oem_check(char *, char *); - -extern void apic_send_IPI_self(int vector); - -extern struct genapic apic_x2apic_uv_x; -DECLARE_PER_CPU(int, x2apic_extra_bits); - -extern void setup_apic_routing(void); - -#endif /* _ASM_X86_GENAPIC_64_H */ diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 8de644b6b95..370e1c83bb4 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -25,8 +25,6 @@ #include <asm/irq.h> #include <asm/sections.h> -#define platform_legacy_irq(irq) ((irq) < 16) - /* Interrupt handlers registered during init_IRQ */ extern void apic_timer_interrupt(void); extern void error_interrupt(void); @@ -58,7 +56,7 @@ extern void make_8259A_irq(unsigned int irq); extern void init_8259A(int aeoi); /* IOAPIC */ -#define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs)) +#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs)) extern unsigned long io_apic_irqs; extern void init_VISWS_APIC_irqs(void); @@ -67,15 +65,7 @@ extern void disable_IO_APIC(void); extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn); extern void setup_ioapic_dest(void); -#ifdef CONFIG_X86_64 extern void enable_IO_APIC(void); -#endif - -/* IPI functions */ -#ifdef CONFIG_X86_32 -extern void send_IPI_self(int vector); -#endif -extern void send_IPI(int dest, int vector); /* Statistics */ extern atomic_t irq_err_count; @@ -84,21 +74,11 @@ extern atomic_t irq_mis_count; /* EISA */ extern void eisa_set_level_irq(unsigned int irq); -/* Voyager functions */ -extern asmlinkage void vic_cpi_interrupt(void); -extern asmlinkage void vic_sys_interrupt(void); -extern asmlinkage void vic_cmn_interrupt(void); -extern asmlinkage void qic_timer_interrupt(void); -extern asmlinkage void qic_invalidate_interrupt(void); -extern asmlinkage void qic_reschedule_interrupt(void); -extern asmlinkage void qic_enable_irq_interrupt(void); -extern asmlinkage void qic_call_function_interrupt(void); - /* SMP */ extern void smp_apic_timer_interrupt(struct pt_regs *); extern void smp_spurious_interrupt(struct pt_regs *); extern void smp_error_interrupt(struct pt_regs *); -#ifdef CONFIG_X86_SMP +#ifdef CONFIG_SMP extern void smp_reschedule_interrupt(struct pt_regs *); extern void smp_call_function_interrupt(struct pt_regs *); extern void smp_call_function_single_interrupt(struct pt_regs *); diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h index 58d7091eeb1..1a99e6c092a 100644 --- a/arch/x86/include/asm/i8259.h +++ b/arch/x86/include/asm/i8259.h @@ -60,4 +60,8 @@ extern struct irq_chip i8259A_chip; extern void mask_8259A(void); extern void unmask_8259A(void); +#ifdef CONFIG_X86_32 +extern void init_ISA_irqs(void); +#endif + #endif /* _ASM_X86_I8259_H */ diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 1dbbdf4be9b..683d0b4c00f 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -5,6 +5,7 @@ #include <linux/compiler.h> #include <asm-generic/int-ll64.h> +#include <asm/page.h> #define build_mmio_read(name, size, type, reg, barrier) \ static inline type name(const volatile void __iomem *addr) \ @@ -80,6 +81,100 @@ static inline void writeq(__u64 val, volatile void __iomem *addr) #define readq readq #define writeq writeq +/** + * virt_to_phys - map virtual addresses to physical + * @address: address to remap + * + * The returned physical address is the physical (CPU) mapping for + * the memory address given. It is only valid to use this function on + * addresses directly mapped or allocated via kmalloc. + * + * This function does not give bus mappings for DMA transfers. In + * almost all conceivable cases a device driver should not be using + * this function + */ + +static inline phys_addr_t virt_to_phys(volatile void *address) +{ + return __pa(address); +} + +/** + * phys_to_virt - map physical address to virtual + * @address: address to remap + * + * The returned virtual address is a current CPU mapping for + * the memory address given. It is only valid to use this function on + * addresses that have a kernel mapping + * + * This function does not handle bus mappings for DMA transfers. In + * almost all conceivable cases a device driver should not be using + * this function + */ + +static inline void *phys_to_virt(phys_addr_t address) +{ + return __va(address); +} + +/* + * Change "struct page" to physical address. + */ +#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) + +/* + * ISA I/O bus memory addresses are 1:1 with the physical address. + * However, we truncate the address to unsigned int to avoid undesirable + * promitions in legacy drivers. + */ +static inline unsigned int isa_virt_to_bus(volatile void *address) +{ + return (unsigned int)virt_to_phys(address); +} +#define isa_page_to_bus(page) ((unsigned int)page_to_phys(page)) +#define isa_bus_to_virt phys_to_virt + +/* + * However PCI ones are not necessarily 1:1 and therefore these interfaces + * are forbidden in portable PCI drivers. + * + * Allow them on x86 for legacy drivers, though. + */ +#define virt_to_bus virt_to_phys +#define bus_to_virt phys_to_virt + +/** + * ioremap - map bus memory into CPU space + * @offset: bus address of the memory + * @size: size of the resource to map + * + * ioremap performs a platform specific sequence of operations to + * make bus memory CPU accessible via the readb/readw/readl/writeb/ + * writew/writel functions and the other mmio helpers. The returned + * address is not guaranteed to be usable directly as a virtual + * address. + * + * If the area you are trying to map is a PCI BAR you should have a + * look at pci_iomap(). + */ +extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size); +extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size); +extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, + unsigned long prot_val); + +/* + * The default ioremap() behavior is non-cached: + */ +static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) +{ + return ioremap_nocache(offset, size); +} + +extern void iounmap(volatile void __iomem *addr); + +extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); + + #ifdef CONFIG_X86_32 # include "io_32.h" #else @@ -91,7 +186,7 @@ extern void unxlate_dev_mem_ptr(unsigned long phys, void *addr); extern int ioremap_change_attr(unsigned long vaddr, unsigned long size, unsigned long prot_val); -extern void __iomem *ioremap_wc(unsigned long offset, unsigned long size); +extern void __iomem *ioremap_wc(resource_size_t offset, unsigned long size); /* * early_ioremap() and early_iounmap() are for temporary early boot-time @@ -105,5 +200,6 @@ extern void __iomem *early_memremap(unsigned long offset, unsigned long size); extern void early_iounmap(void __iomem *addr, unsigned long size); extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); +#define IO_SPACE_LIMIT 0xffff #endif /* _ASM_X86_IO_H */ diff --git a/arch/x86/include/asm/io_32.h b/arch/x86/include/asm/io_32.h index d8e242e1b39..a299900f592 100644 --- a/arch/x86/include/asm/io_32.h +++ b/arch/x86/include/asm/io_32.h @@ -37,8 +37,6 @@ * - Arnaldo Carvalho de Melo <acme@conectiva.com.br> */ -#define IO_SPACE_LIMIT 0xffff - #define XQUAD_PORTIO_BASE 0xfe400000 #define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */ @@ -53,92 +51,6 @@ */ #define xlate_dev_kmem_ptr(p) p -/** - * virt_to_phys - map virtual addresses to physical - * @address: address to remap - * - * The returned physical address is the physical (CPU) mapping for - * the memory address given. It is only valid to use this function on - * addresses directly mapped or allocated via kmalloc. - * - * This function does not give bus mappings for DMA transfers. In - * almost all conceivable cases a device driver should not be using - * this function - */ - -static inline unsigned long virt_to_phys(volatile void *address) -{ - return __pa(address); -} - -/** - * phys_to_virt - map physical address to virtual - * @address: address to remap - * - * The returned virtual address is a current CPU mapping for - * the memory address given. It is only valid to use this function on - * addresses that have a kernel mapping - * - * This function does not handle bus mappings for DMA transfers. In - * almost all conceivable cases a device driver should not be using - * this function - */ - -static inline void *phys_to_virt(unsigned long address) -{ - return __va(address); -} - -/* - * Change "struct page" to physical address. - */ -#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) - -/** - * ioremap - map bus memory into CPU space - * @offset: bus address of the memory - * @size: size of the resource to map - * - * ioremap performs a platform specific sequence of operations to - * make bus memory CPU accessible via the readb/readw/readl/writeb/ - * writew/writel functions and the other mmio helpers. The returned - * address is not guaranteed to be usable directly as a virtual - * address. - * - * If the area you are trying to map is a PCI BAR you should have a - * look at pci_iomap(). - */ -extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size); -extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size); -extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, - unsigned long prot_val); - -/* - * The default ioremap() behavior is non-cached: - */ -static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) -{ - return ioremap_nocache(offset, size); -} - -extern void iounmap(volatile void __iomem *addr); - -/* - * ISA I/O bus memory addresses are 1:1 with the physical address. - */ -#define isa_virt_to_bus virt_to_phys -#define isa_page_to_bus page_to_phys -#define isa_bus_to_virt phys_to_virt - -/* - * However PCI ones are not necessarily 1:1 and therefore these interfaces - * are forbidden in portable PCI drivers. - * - * Allow them on x86 for legacy drivers, though. - */ -#define virt_to_bus virt_to_phys -#define bus_to_virt phys_to_virt - static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count) { diff --git a/arch/x86/include/asm/io_64.h b/arch/x86/include/asm/io_64.h index 563c16270ba..244067893af 100644 --- a/arch/x86/include/asm/io_64.h +++ b/arch/x86/include/asm/io_64.h @@ -136,73 +136,12 @@ __OUTS(b) __OUTS(w) __OUTS(l) -#define IO_SPACE_LIMIT 0xffff - #if defined(__KERNEL__) && defined(__x86_64__) #include <linux/vmalloc.h> -#ifndef __i386__ -/* - * Change virtual addresses to physical addresses and vv. - * These are pretty trivial - */ -static inline unsigned long virt_to_phys(volatile void *address) -{ - return __pa(address); -} - -static inline void *phys_to_virt(unsigned long address) -{ - return __va(address); -} -#endif - -/* - * Change "struct page" to physical address. - */ -#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) - #include <asm-generic/iomap.h> -/* - * This one maps high address device memory and turns off caching for that area. - * it's useful if some control registers are in such an area and write combining - * or read caching is not desirable: - */ -extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size); -extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size); -extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, - unsigned long prot_val); - -/* - * The default ioremap() behavior is non-cached: - */ -static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) -{ - return ioremap_nocache(offset, size); -} - -extern void iounmap(volatile void __iomem *addr); - -extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); - -/* - * ISA I/O bus memory addresses are 1:1 with the physical address. - */ -#define isa_virt_to_bus virt_to_phys -#define isa_page_to_bus page_to_phys -#define isa_bus_to_virt phys_to_virt - -/* - * However PCI ones are not necessarily 1:1 and therefore these interfaces - * are forbidden in portable PCI drivers. - * - * Allow them on x86 for legacy drivers, though. - */ -#define virt_to_bus virt_to_phys -#define bus_to_virt phys_to_virt - void __memcpy_fromio(void *, unsigned long, unsigned); void __memcpy_toio(unsigned long, const void *, unsigned); diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 08ec793aa04..59cb4a1317b 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -143,15 +143,6 @@ extern int noioapicreroute; /* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */ extern int timer_through_8259; -static inline void disable_ioapic_setup(void) -{ -#ifdef CONFIG_PCI - noioapicquirk = 1; - noioapicreroute = -1; -#endif - skip_ioapic_setup = 1; -} - /* * If we use the IO-APIC for IRQ routing, disable automatic * assignment of PCI IRQ's. @@ -178,6 +169,12 @@ extern void reinit_intr_remapped_IO_APIC(int); extern void probe_nr_irqs_gsi(void); +extern int setup_ioapic_entry(int apic, int irq, + struct IO_APIC_route_entry *entry, + unsigned int destination, int trigger, + int polarity, int vector); +extern void ioapic_write_entry(int apic, int pin, + struct IO_APIC_route_entry e); #else /* !CONFIG_X86_IO_APIC */ #define io_apic_assign_pci_irqs 0 static const int timer_through_8259 = 0; diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h index c745a306f7d..0b7228268a6 100644 --- a/arch/x86/include/asm/ipi.h +++ b/arch/x86/include/asm/ipi.h @@ -1,6 +1,8 @@ #ifndef _ASM_X86_IPI_H #define _ASM_X86_IPI_H +#ifdef CONFIG_X86_LOCAL_APIC + /* * Copyright 2004 James Cleverdon, IBM. * Subject to the GNU Public License, v.2 @@ -55,8 +57,8 @@ static inline void __xapic_wait_icr_idle(void) cpu_relax(); } -static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, - unsigned int dest) +static inline void +__default_send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest) { /* * Subtle. In the case of the 'never do double writes' workaround @@ -87,8 +89,8 @@ static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, * This is used to send an IPI with no shorthand notation (the destination is * specified in bits 56 to 63 of the ICR). */ -static inline void __send_IPI_dest_field(unsigned int mask, int vector, - unsigned int dest) +static inline void + __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest) { unsigned long cfg; @@ -117,41 +119,44 @@ static inline void __send_IPI_dest_field(unsigned int mask, int vector, native_apic_mem_write(APIC_ICR, cfg); } -static inline void send_IPI_mask_sequence(const struct cpumask *mask, - int vector) -{ - unsigned long flags; - unsigned long query_cpu; +extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, + int vector); +extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, + int vector); +extern void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, + int vector); +extern void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, + int vector); - /* - * Hack. The clustered APIC addressing mode doesn't allow us to send - * to an arbitrary mask, so I do a unicast to each CPU instead. - * - mbligh - */ - local_irq_save(flags); - for_each_cpu(query_cpu, mask) { - __send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, query_cpu), - vector, APIC_DEST_PHYSICAL); - } - local_irq_restore(flags); +/* Avoid include hell */ +#define NMI_VECTOR 0x02 + +extern int no_broadcast; + +static inline void __default_local_send_IPI_allbutself(int vector) +{ + if (no_broadcast || vector == NMI_VECTOR) + apic->send_IPI_mask_allbutself(cpu_online_mask, vector); + else + __default_send_IPI_shortcut(APIC_DEST_ALLBUT, vector, apic->dest_logical); } -static inline void send_IPI_mask_allbutself(const struct cpumask *mask, - int vector) +static inline void __default_local_send_IPI_all(int vector) { - unsigned long flags; - unsigned int query_cpu; - unsigned int this_cpu = smp_processor_id(); - - /* See Hack comment above */ - - local_irq_save(flags); - for_each_cpu(query_cpu, mask) - if (query_cpu != this_cpu) - __send_IPI_dest_field( - per_cpu(x86_cpu_to_apicid, query_cpu), - vector, APIC_DEST_PHYSICAL); - local_irq_restore(flags); + if (no_broadcast || vector == NMI_VECTOR) + apic->send_IPI_mask(cpu_online_mask, vector); + else + __default_send_IPI_shortcut(APIC_DEST_ALLINC, vector, apic->dest_logical); } +#ifdef CONFIG_X86_32 +extern void default_send_IPI_mask_logical(const struct cpumask *mask, + int vector); +extern void default_send_IPI_allbutself(int vector); +extern void default_send_IPI_all(int vector); +extern void default_send_IPI_self(int vector); +#endif + +#endif + #endif /* _ASM_X86_IPI_H */ diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h index 592688ed04d..107eb219669 100644 --- a/arch/x86/include/asm/irq.h +++ b/arch/x86/include/asm/irq.h @@ -36,9 +36,11 @@ static inline int irq_canonicalize(int irq) extern void fixup_irqs(void); #endif -extern unsigned int do_IRQ(struct pt_regs *regs); extern void init_IRQ(void); extern void native_init_IRQ(void); +extern bool handle_irq(unsigned irq, struct pt_regs *regs); + +extern unsigned int do_IRQ(struct pt_regs *regs); /* Interrupt vector management */ extern DECLARE_BITMAP(used_vectors, NR_VECTORS); diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 9a83a10a5d5..8a285f356f8 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -1,47 +1,69 @@ #ifndef _ASM_X86_IRQ_VECTORS_H #define _ASM_X86_IRQ_VECTORS_H -#include <linux/threads.h> +/* + * Linux IRQ vector layout. + * + * There are 256 IDT entries (per CPU - each entry is 8 bytes) which can + * be defined by Linux. They are used as a jump table by the CPU when a + * given vector is triggered - by a CPU-external, CPU-internal or + * software-triggered event. + * + * Linux sets the kernel code address each entry jumps to early during + * bootup, and never changes them. This is the general layout of the + * IDT entries: + * + * Vectors 0 ... 31 : system traps and exceptions - hardcoded events + * Vectors 32 ... 127 : device interrupts + * Vector 128 : legacy int80 syscall interface + * Vectors 129 ... 237 : device interrupts + * Vectors 238 ... 255 : special interrupts + * + * 64-bit x86 has per CPU IDT tables, 32-bit has one shared IDT table. + * + * This file enumerates the exact layout of them: + */ -#define NMI_VECTOR 0x02 +#define NMI_VECTOR 0x02 /* * IDT vectors usable for external interrupt sources start * at 0x20: */ -#define FIRST_EXTERNAL_VECTOR 0x20 +#define FIRST_EXTERNAL_VECTOR 0x20 #ifdef CONFIG_X86_32 -# define SYSCALL_VECTOR 0x80 +# define SYSCALL_VECTOR 0x80 #else -# define IA32_SYSCALL_VECTOR 0x80 +# define IA32_SYSCALL_VECTOR 0x80 #endif /* * Reserve the lowest usable priority level 0x20 - 0x2f for triggering * cleanup after irq migration. */ -#define IRQ_MOVE_CLEANUP_VECTOR FIRST_EXTERNAL_VECTOR +#define IRQ_MOVE_CLEANUP_VECTOR FIRST_EXTERNAL_VECTOR /* * Vectors 0x30-0x3f are used for ISA interrupts. */ -#define IRQ0_VECTOR (FIRST_EXTERNAL_VECTOR + 0x10) -#define IRQ1_VECTOR (IRQ0_VECTOR + 1) -#define IRQ2_VECTOR (IRQ0_VECTOR + 2) -#define IRQ3_VECTOR (IRQ0_VECTOR + 3) -#define IRQ4_VECTOR (IRQ0_VECTOR + 4) -#define IRQ5_VECTOR (IRQ0_VECTOR + 5) -#define IRQ6_VECTOR (IRQ0_VECTOR + 6) -#define IRQ7_VECTOR (IRQ0_VECTOR + 7) -#define IRQ8_VECTOR (IRQ0_VECTOR + 8) -#define IRQ9_VECTOR (IRQ0_VECTOR + 9) -#define IRQ10_VECTOR (IRQ0_VECTOR + 10) -#define IRQ11_VECTOR (IRQ0_VECTOR + 11) -#define IRQ12_VECTOR (IRQ0_VECTOR + 12) -#define IRQ13_VECTOR (IRQ0_VECTOR + 13) -#define IRQ14_VECTOR (IRQ0_VECTOR + 14) -#define IRQ15_VECTOR (IRQ0_VECTOR + 15) +#define IRQ0_VECTOR (FIRST_EXTERNAL_VECTOR + 0x10) + +#define IRQ1_VECTOR (IRQ0_VECTOR + 1) +#define IRQ2_VECTOR (IRQ0_VECTOR + 2) +#define IRQ3_VECTOR (IRQ0_VECTOR + 3) +#define IRQ4_VECTOR (IRQ0_VECTOR + 4) +#define IRQ5_VECTOR (IRQ0_VECTOR + 5) +#define IRQ6_VECTOR (IRQ0_VECTOR + 6) +#define IRQ7_VECTOR (IRQ0_VECTOR + 7) +#define IRQ8_VECTOR (IRQ0_VECTOR + 8) +#define IRQ9_VECTOR (IRQ0_VECTOR + 9) +#define IRQ10_VECTOR (IRQ0_VECTOR + 10) +#define IRQ11_VECTOR (IRQ0_VECTOR + 11) +#define IRQ12_VECTOR (IRQ0_VECTOR + 12) +#define IRQ13_VECTOR (IRQ0_VECTOR + 13) +#define IRQ14_VECTOR (IRQ0_VECTOR + 14) +#define IRQ15_VECTOR (IRQ0_VECTOR + 15) /* * Special IRQ vectors used by the SMP architecture, 0xf0-0xff @@ -50,123 +72,97 @@ * into a single vector (CALL_FUNCTION_VECTOR) to save vector space. * TLB, reschedule and local APIC vectors are performance-critical. */ -#ifdef CONFIG_X86_32 -# define SPURIOUS_APIC_VECTOR 0xff -# define ERROR_APIC_VECTOR 0xfe -# define RESCHEDULE_VECTOR 0xfd -# define CALL_FUNCTION_VECTOR 0xfc -# define CALL_FUNCTION_SINGLE_VECTOR 0xfb -# define THERMAL_APIC_VECTOR 0xfa -/* 0xf8 - 0xf9 : free */ -# define INVALIDATE_TLB_VECTOR_END 0xf7 -# define INVALIDATE_TLB_VECTOR_START 0xf0 /* f0-f7 used for TLB flush */ +#define SPURIOUS_APIC_VECTOR 0xff +/* + * Sanity check + */ +#if ((SPURIOUS_APIC_VECTOR & 0x0F) != 0x0F) +# error SPURIOUS_APIC_VECTOR definition error +#endif -# define NUM_INVALIDATE_TLB_VECTORS 8 +#define ERROR_APIC_VECTOR 0xfe +#define RESCHEDULE_VECTOR 0xfd +#define CALL_FUNCTION_VECTOR 0xfc +#define CALL_FUNCTION_SINGLE_VECTOR 0xfb +#define THERMAL_APIC_VECTOR 0xfa +#ifdef CONFIG_X86_32 +/* 0xf8 - 0xf9 : free */ #else - -# define SPURIOUS_APIC_VECTOR 0xff -# define ERROR_APIC_VECTOR 0xfe -# define RESCHEDULE_VECTOR 0xfd -# define CALL_FUNCTION_VECTOR 0xfc -# define CALL_FUNCTION_SINGLE_VECTOR 0xfb -# define THERMAL_APIC_VECTOR 0xfa # define THRESHOLD_APIC_VECTOR 0xf9 # define UV_BAU_MESSAGE 0xf8 -# define INVALIDATE_TLB_VECTOR_END 0xf7 -# define INVALIDATE_TLB_VECTOR_START 0xf0 /* f0-f7 used for TLB flush */ - -#define NUM_INVALIDATE_TLB_VECTORS 8 - #endif +/* f0-f7 used for spreading out TLB flushes: */ +#define INVALIDATE_TLB_VECTOR_END 0xf7 +#define INVALIDATE_TLB_VECTOR_START 0xf0 +#define NUM_INVALIDATE_TLB_VECTORS 8 + /* * Local APIC timer IRQ vector is on a different priority level, * to work around the 'lost local interrupt if more than 2 IRQ * sources per level' errata. */ -#define LOCAL_TIMER_VECTOR 0xef +#define LOCAL_TIMER_VECTOR 0xef + +/* + * Performance monitoring interrupt vector: + */ +#define LOCAL_PERF_VECTOR 0xee /* * First APIC vector available to drivers: (vectors 0x30-0xee) we * start at 0x31(0x41) to spread out vectors evenly between priority * levels. (0x80 is the syscall vector) */ -#define FIRST_DEVICE_VECTOR (IRQ15_VECTOR + 2) - -#define NR_VECTORS 256 - -#define FPU_IRQ 13 - -#define FIRST_VM86_IRQ 3 -#define LAST_VM86_IRQ 15 -#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15) +#define FIRST_DEVICE_VECTOR (IRQ15_VECTOR + 2) -#define NR_IRQS_LEGACY 16 +#define NR_VECTORS 256 -#if defined(CONFIG_X86_IO_APIC) && !defined(CONFIG_X86_VOYAGER) - -#include <asm/apicnum.h> /* need MAX_IO_APICS */ - -#ifndef CONFIG_SPARSE_IRQ -# if NR_CPUS < MAX_IO_APICS -# define NR_IRQS (NR_VECTORS + (32 * NR_CPUS)) -# else -# define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS)) -# endif -#else +#define FPU_IRQ 13 -# define NR_IRQS \ - ((8 * NR_CPUS) > (32 * MAX_IO_APICS) ? \ - (NR_VECTORS + (8 * NR_CPUS)) : \ - (NR_VECTORS + (32 * MAX_IO_APICS))) \ +#define FIRST_VM86_IRQ 3 +#define LAST_VM86_IRQ 15 +#ifndef __ASSEMBLY__ +static inline int invalid_vm86_irq(int irq) +{ + return irq < FIRST_VM86_IRQ || irq > LAST_VM86_IRQ; +} #endif -#elif defined(CONFIG_X86_VOYAGER) - -# define NR_IRQS 224 +/* + * Size the maximum number of interrupts. + * + * If the irq_desc[] array has a sparse layout, we can size things + * generously - it scales up linearly with the maximum number of CPUs, + * and the maximum number of IO-APICs, whichever is higher. + * + * In other cases we size more conservatively, to not create too large + * static arrays. + */ -#else /* IO_APIC || VOYAGER */ +#define NR_IRQS_LEGACY 16 -# define NR_IRQS 16 +#define CPU_VECTOR_LIMIT ( 8 * NR_CPUS ) +#define IO_APIC_VECTOR_LIMIT ( 32 * MAX_IO_APICS ) +#ifdef CONFIG_X86_IO_APIC +# ifdef CONFIG_SPARSE_IRQ +# define NR_IRQS \ + (CPU_VECTOR_LIMIT > IO_APIC_VECTOR_LIMIT ? \ + (NR_VECTORS + CPU_VECTOR_LIMIT) : \ + (NR_VECTORS + IO_APIC_VECTOR_LIMIT)) +# else +# if NR_CPUS < MAX_IO_APICS +# define NR_IRQS (NR_VECTORS + 4*CPU_VECTOR_LIMIT) +# else +# define NR_IRQS (NR_VECTORS + IO_APIC_VECTOR_LIMIT) +# endif +# endif +#else /* !CONFIG_X86_IO_APIC: */ +# define NR_IRQS NR_IRQS_LEGACY #endif -/* Voyager specific defines */ -/* These define the CPIs we use in linux */ -#define VIC_CPI_LEVEL0 0 -#define VIC_CPI_LEVEL1 1 -/* now the fake CPIs */ -#define VIC_TIMER_CPI 2 -#define VIC_INVALIDATE_CPI 3 -#define VIC_RESCHEDULE_CPI 4 -#define VIC_ENABLE_IRQ_CPI 5 -#define VIC_CALL_FUNCTION_CPI 6 -#define VIC_CALL_FUNCTION_SINGLE_CPI 7 - -/* Now the QIC CPIs: Since we don't need the two initial levels, - * these are 2 less than the VIC CPIs */ -#define QIC_CPI_OFFSET 1 -#define QIC_TIMER_CPI (VIC_TIMER_CPI - QIC_CPI_OFFSET) -#define QIC_INVALIDATE_CPI (VIC_INVALIDATE_CPI - QIC_CPI_OFFSET) -#define QIC_RESCHEDULE_CPI (VIC_RESCHEDULE_CPI - QIC_CPI_OFFSET) -#define QIC_ENABLE_IRQ_CPI (VIC_ENABLE_IRQ_CPI - QIC_CPI_OFFSET) -#define QIC_CALL_FUNCTION_CPI (VIC_CALL_FUNCTION_CPI - QIC_CPI_OFFSET) -#define QIC_CALL_FUNCTION_SINGLE_CPI (VIC_CALL_FUNCTION_SINGLE_CPI - QIC_CPI_OFFSET) - -#define VIC_START_FAKE_CPI VIC_TIMER_CPI -#define VIC_END_FAKE_CPI VIC_CALL_FUNCTION_SINGLE_CPI - -/* this is the SYS_INT CPI. */ -#define VIC_SYS_INT 8 -#define VIC_CMN_INT 15 - -/* This is the boot CPI for alternate processors. It gets overwritten - * by the above once the system has activated all available processors */ -#define VIC_CPU_BOOT_CPI VIC_CPI_LEVEL0 -#define VIC_CPU_BOOT_ERRATA_CPI (VIC_CPI_LEVEL0 + 8) - - #endif /* _ASM_X86_IRQ_VECTORS_H */ diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h index c61d8b2ab8b..0ceb6d19ed3 100644 --- a/arch/x86/include/asm/kexec.h +++ b/arch/x86/include/asm/kexec.h @@ -9,23 +9,8 @@ # define PAGES_NR 4 #else # define PA_CONTROL_PAGE 0 -# define VA_CONTROL_PAGE 1 -# define PA_PGD 2 -# define VA_PGD 3 -# define PA_PUD_0 4 -# define VA_PUD_0 5 -# define PA_PMD_0 6 -# define VA_PMD_0 7 -# define PA_PTE_0 8 -# define VA_PTE_0 9 -# define PA_PUD_1 10 -# define VA_PUD_1 11 -# define PA_PMD_1 12 -# define VA_PMD_1 13 -# define PA_PTE_1 14 -# define VA_PTE_1 15 -# define PA_TABLE_PAGE 16 -# define PAGES_NR 17 +# define PA_TABLE_PAGE 1 +# define PAGES_NR 2 #endif #ifdef CONFIG_X86_32 @@ -157,9 +142,9 @@ relocate_kernel(unsigned long indirection_page, unsigned long start_address) ATTRIB_NORET; #endif -#ifdef CONFIG_X86_32 #define ARCH_HAS_KIMAGE_ARCH +#ifdef CONFIG_X86_32 struct kimage_arch { pgd_t *pgd; #ifdef CONFIG_X86_PAE @@ -169,6 +154,12 @@ struct kimage_arch { pte_t *pte0; pte_t *pte1; }; +#else +struct kimage_arch { + pud_t *pud; + pmd_t *pmd; + pte_t *pte; +}; #endif #endif /* __ASSEMBLY__ */ diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h index d2e3bf3608a..886c9402ec4 100644 --- a/arch/x86/include/asm/kvm.h +++ b/arch/x86/include/asm/kvm.h @@ -9,6 +9,13 @@ #include <linux/types.h> #include <linux/ioctl.h> +/* Select x86 specific features in <linux/kvm.h> */ +#define __KVM_HAVE_PIT +#define __KVM_HAVE_IOAPIC +#define __KVM_HAVE_DEVICE_ASSIGNMENT +#define __KVM_HAVE_MSI +#define __KVM_HAVE_USER_NMI + /* Architectural interrupt line count. */ #define KVM_NR_INTERRUPTS 256 diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h index 5d98d0b68ff..9320e2a8a26 100644 --- a/arch/x86/include/asm/linkage.h +++ b/arch/x86/include/asm/linkage.h @@ -52,70 +52,14 @@ #endif +#define GLOBAL(name) \ + .globl name; \ + name: + #ifdef CONFIG_X86_ALIGNMENT_16 #define __ALIGN .align 16,0x90 #define __ALIGN_STR ".align 16,0x90" #endif -/* - * to check ENTRY_X86/END_X86 and - * KPROBE_ENTRY_X86/KPROBE_END_X86 - * unbalanced-missed-mixed appearance - */ -#define __set_entry_x86 .set ENTRY_X86_IN, 0 -#define __unset_entry_x86 .set ENTRY_X86_IN, 1 -#define __set_kprobe_x86 .set KPROBE_X86_IN, 0 -#define __unset_kprobe_x86 .set KPROBE_X86_IN, 1 - -#define __macro_err_x86 .error "ENTRY_X86/KPROBE_X86 unbalanced,missed,mixed" - -#define __check_entry_x86 \ - .ifdef ENTRY_X86_IN; \ - .ifeq ENTRY_X86_IN; \ - __macro_err_x86; \ - .abort; \ - .endif; \ - .endif - -#define __check_kprobe_x86 \ - .ifdef KPROBE_X86_IN; \ - .ifeq KPROBE_X86_IN; \ - __macro_err_x86; \ - .abort; \ - .endif; \ - .endif - -#define __check_entry_kprobe_x86 \ - __check_entry_x86; \ - __check_kprobe_x86 - -#define ENTRY_KPROBE_FINAL_X86 __check_entry_kprobe_x86 - -#define ENTRY_X86(name) \ - __check_entry_kprobe_x86; \ - __set_entry_x86; \ - .globl name; \ - __ALIGN; \ - name: - -#define END_X86(name) \ - __unset_entry_x86; \ - __check_entry_kprobe_x86; \ - .size name, .-name - -#define KPROBE_ENTRY_X86(name) \ - __check_entry_kprobe_x86; \ - __set_kprobe_x86; \ - .pushsection .kprobes.text, "ax"; \ - .globl name; \ - __ALIGN; \ - name: - -#define KPROBE_END_X86(name) \ - __unset_kprobe_x86; \ - __check_entry_kprobe_x86; \ - .size name, .-name; \ - .popsection - #endif /* _ASM_X86_LINKAGE_H */ diff --git a/arch/x86/include/asm/mach-default/mach_apic.h b/arch/x86/include/asm/mach-default/mach_apic.h deleted file mode 100644 index cc09cbbee27..00000000000 --- a/arch/x86/include/asm/mach-default/mach_apic.h +++ /dev/null @@ -1,168 +0,0 @@ -#ifndef _ASM_X86_MACH_DEFAULT_MACH_APIC_H -#define _ASM_X86_MACH_DEFAULT_MACH_APIC_H - -#ifdef CONFIG_X86_LOCAL_APIC - -#include <mach_apicdef.h> -#include <asm/smp.h> - -#define APIC_DFR_VALUE (APIC_DFR_FLAT) - -static inline const struct cpumask *target_cpus(void) -{ -#ifdef CONFIG_SMP - return cpu_online_mask; -#else - return cpumask_of(0); -#endif -} - -#define NO_BALANCE_IRQ (0) -#define esr_disable (0) - -#ifdef CONFIG_X86_64 -#include <asm/genapic.h> -#define INT_DELIVERY_MODE (genapic->int_delivery_mode) -#define INT_DEST_MODE (genapic->int_dest_mode) -#define TARGET_CPUS (genapic->target_cpus()) -#define apic_id_registered (genapic->apic_id_registered) -#define init_apic_ldr (genapic->init_apic_ldr) -#define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid) -#define cpu_mask_to_apicid_and (genapic->cpu_mask_to_apicid_and) -#define phys_pkg_id (genapic->phys_pkg_id) -#define vector_allocation_domain (genapic->vector_allocation_domain) -#define read_apic_id() (GET_APIC_ID(apic_read(APIC_ID))) -#define send_IPI_self (genapic->send_IPI_self) -#define wakeup_secondary_cpu (genapic->wakeup_cpu) -extern void setup_apic_routing(void); -#else -#define INT_DELIVERY_MODE dest_LowestPrio -#define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ -#define TARGET_CPUS (target_cpus()) -#define wakeup_secondary_cpu wakeup_secondary_cpu_via_init -/* - * 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... - */ -static inline void init_apic_ldr(void) -{ - unsigned long val; - - apic_write(APIC_DFR, APIC_DFR_VALUE); - val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; - val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id()); - apic_write(APIC_LDR, val); -} - -static inline int apic_id_registered(void) -{ - return physid_isset(read_apic_id(), phys_cpu_present_map); -} - -static inline unsigned int cpu_mask_to_apicid(const struct cpumask *cpumask) -{ - return cpumask_bits(cpumask)[0]; -} - -static inline unsigned int 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 u32 phys_pkg_id(u32 cpuid_apic, int index_msb) -{ - return cpuid_apic >> index_msb; -} - -static inline void setup_apic_routing(void) -{ -#ifdef CONFIG_X86_IO_APIC - printk("Enabling APIC mode: %s. Using %d I/O APICs\n", - "Flat", nr_ioapics); -#endif -} - -static inline int apicid_to_node(int logical_apicid) -{ -#ifdef CONFIG_SMP - return apicid_2_node[hard_smp_processor_id()]; -#else - return 0; -#endif -} - -static inline void vector_allocation_domain(int cpu, struct cpumask *retmask) -{ - /* Careful. Some cpus do not strictly honor the set of cpus - * specified in the interrupt destination when using lowest - * priority interrupt delivery mode. - * - * In particular there was a hyperthreading cpu observed to - * deliver interrupts to the wrong hyperthread when only one - * hyperthread was specified in the interrupt desitination. - */ - *retmask = (cpumask_t) { { [0] = APIC_ALL_CPUS } }; -} -#endif - -static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) -{ - return physid_isset(apicid, bitmap); -} - -static inline unsigned long check_apicid_present(int bit) -{ - return physid_isset(bit, phys_cpu_present_map); -} - -static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) -{ - return phys_map; -} - -static inline int multi_timer_check(int apic, int irq) -{ - return 0; -} - -/* Mapping from cpu number to logical apicid */ -static inline int cpu_to_logical_apicid(int cpu) -{ - return 1 << cpu; -} - -static inline int 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 physid_mask_t apicid_to_cpu_present(int phys_apicid) -{ - return physid_mask_of_physid(phys_apicid); -} - -static inline void setup_portio_remap(void) -{ -} - -static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) -{ - return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); -} - -static inline void enable_apic_mode(void) -{ -} -#endif /* CONFIG_X86_LOCAL_APIC */ -#endif /* _ASM_X86_MACH_DEFAULT_MACH_APIC_H */ diff --git a/arch/x86/include/asm/mach-default/mach_apicdef.h b/arch/x86/include/asm/mach-default/mach_apicdef.h deleted file mode 100644 index 53179936d6c..00000000000 --- a/arch/x86/include/asm/mach-default/mach_apicdef.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H -#define _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H - -#include <asm/apic.h> - -#ifdef CONFIG_X86_64 -#define APIC_ID_MASK (genapic->apic_id_mask) -#define GET_APIC_ID(x) (genapic->get_apic_id(x)) -#define SET_APIC_ID(x) (genapic->set_apic_id(x)) -#else -#define APIC_ID_MASK (0xF<<24) -static inline unsigned get_apic_id(unsigned long x) -{ - unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); - if (APIC_XAPIC(ver)) - return (((x)>>24)&0xFF); - else - return (((x)>>24)&0xF); -} - -#define GET_APIC_ID(x) get_apic_id(x) -#endif - -#endif /* _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H */ diff --git a/arch/x86/include/asm/mach-default/mach_ipi.h b/arch/x86/include/asm/mach-default/mach_ipi.h deleted file mode 100644 index 191312d155d..00000000000 --- a/arch/x86/include/asm/mach-default/mach_ipi.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef _ASM_X86_MACH_DEFAULT_MACH_IPI_H -#define _ASM_X86_MACH_DEFAULT_MACH_IPI_H - -/* Avoid include hell */ -#define NMI_VECTOR 0x02 - -void send_IPI_mask_bitmask(const struct cpumask *mask, int vector); -void send_IPI_mask_allbutself(const struct cpumask *mask, int vector); -void __send_IPI_shortcut(unsigned int shortcut, int vector); - -extern int no_broadcast; - -#ifdef CONFIG_X86_64 -#include <asm/genapic.h> -#define send_IPI_mask (genapic->send_IPI_mask) -#define send_IPI_mask_allbutself (genapic->send_IPI_mask_allbutself) -#else -static inline void send_IPI_mask(const struct cpumask *mask, int vector) -{ - send_IPI_mask_bitmask(mask, vector); -} -void send_IPI_mask_allbutself(const struct cpumask *mask, int vector); -#endif - -static inline void __local_send_IPI_allbutself(int vector) -{ - if (no_broadcast || vector == NMI_VECTOR) - send_IPI_mask_allbutself(cpu_online_mask, vector); - else - __send_IPI_shortcut(APIC_DEST_ALLBUT, vector); -} - -static inline void __local_send_IPI_all(int vector) -{ - if (no_broadcast || vector == NMI_VECTOR) - send_IPI_mask(cpu_online_mask, vector); - else - __send_IPI_shortcut(APIC_DEST_ALLINC, vector); -} - -#ifdef CONFIG_X86_64 -#define send_IPI_allbutself (genapic->send_IPI_allbutself) -#define send_IPI_all (genapic->send_IPI_all) -#else -static inline void send_IPI_allbutself(int vector) -{ - /* - * if there are no other CPUs in the system then we get an APIC send - * error if we try to broadcast, thus avoid sending IPIs in this case. - */ - if (!(num_online_cpus() > 1)) - return; - - __local_send_IPI_allbutself(vector); - return; -} - -static inline void send_IPI_all(int vector) -{ - __local_send_IPI_all(vector); -} -#endif - -#endif /* _ASM_X86_MACH_DEFAULT_MACH_IPI_H */ diff --git a/arch/x86/include/asm/mach-default/mach_mpparse.h b/arch/x86/include/asm/mach-default/mach_mpparse.h deleted file mode 100644 index c70a263d68c..00000000000 --- a/arch/x86/include/asm/mach-default/mach_mpparse.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef _ASM_X86_MACH_DEFAULT_MACH_MPPARSE_H -#define _ASM_X86_MACH_DEFAULT_MACH_MPPARSE_H - -static inline int -mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) -{ - return 0; -} - -/* Hook from generic ACPI tables.c */ -static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) -{ - return 0; -} - - -#endif /* _ASM_X86_MACH_DEFAULT_MACH_MPPARSE_H */ diff --git a/arch/x86/include/asm/mach-default/mach_mpspec.h b/arch/x86/include/asm/mach-default/mach_mpspec.h deleted file mode 100644 index e85ede686be..00000000000 --- a/arch/x86/include/asm/mach-default/mach_mpspec.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _ASM_X86_MACH_DEFAULT_MACH_MPSPEC_H -#define _ASM_X86_MACH_DEFAULT_MACH_MPSPEC_H - -#define MAX_IRQ_SOURCES 256 - -#if CONFIG_BASE_SMALL == 0 -#define MAX_MP_BUSSES 256 -#else -#define MAX_MP_BUSSES 32 -#endif - -#endif /* _ASM_X86_MACH_DEFAULT_MACH_MPSPEC_H */ diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h deleted file mode 100644 index 89897a6a65b..00000000000 --- a/arch/x86/include/asm/mach-default/mach_wakecpu.h +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H -#define _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H - -#define TRAMPOLINE_PHYS_LOW (0x467) -#define TRAMPOLINE_PHYS_HIGH (0x469) - -static inline void wait_for_init_deassert(atomic_t *deassert) -{ - while (!atomic_read(deassert)) - cpu_relax(); - return; -} - -/* Nothing to do for most platforms, since cleared by the INIT cycle */ -static inline void smp_callin_clear_local_apic(void) -{ -} - -static inline void store_NMI_vector(unsigned short *high, unsigned short *low) -{ -} - -static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) -{ -} - -#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 inquire_remote_apic(int apicid) -{ - if (apic_verbosity >= APIC_DEBUG) - __inquire_remote_apic(apicid); -} - -#endif /* _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H */ diff --git a/arch/x86/include/asm/mach-generic/gpio.h b/arch/x86/include/asm/mach-generic/gpio.h deleted file mode 100644 index 995c45efdb3..00000000000 --- a/arch/x86/include/asm/mach-generic/gpio.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef _ASM_X86_MACH_GENERIC_GPIO_H -#define _ASM_X86_MACH_GENERIC_GPIO_H - -int gpio_request(unsigned gpio, const char *label); -void gpio_free(unsigned gpio); -int gpio_direction_input(unsigned gpio); -int gpio_direction_output(unsigned gpio, int value); -int gpio_get_value(unsigned gpio); -void gpio_set_value(unsigned gpio, int value); -int gpio_to_irq(unsigned gpio); -int irq_to_gpio(unsigned irq); - -#include <asm-generic/gpio.h> /* cansleep wrappers */ - -#endif /* _ASM_X86_MACH_GENERIC_GPIO_H */ diff --git a/arch/x86/include/asm/mach-generic/mach_apic.h b/arch/x86/include/asm/mach-generic/mach_apic.h deleted file mode 100644 index 48553e958ad..00000000000 --- a/arch/x86/include/asm/mach-generic/mach_apic.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef _ASM_X86_MACH_GENERIC_MACH_APIC_H -#define _ASM_X86_MACH_GENERIC_MACH_APIC_H - -#include <asm/genapic.h> - -#define esr_disable (genapic->ESR_DISABLE) -#define NO_BALANCE_IRQ (genapic->no_balance_irq) -#define INT_DELIVERY_MODE (genapic->int_delivery_mode) -#define INT_DEST_MODE (genapic->int_dest_mode) -#undef APIC_DEST_LOGICAL -#define APIC_DEST_LOGICAL (genapic->apic_destination_logical) -#define TARGET_CPUS (genapic->target_cpus()) -#define apic_id_registered (genapic->apic_id_registered) -#define init_apic_ldr (genapic->init_apic_ldr) -#define ioapic_phys_id_map (genapic->ioapic_phys_id_map) -#define setup_apic_routing (genapic->setup_apic_routing) -#define multi_timer_check (genapic->multi_timer_check) -#define apicid_to_node (genapic->apicid_to_node) -#define cpu_to_logical_apicid (genapic->cpu_to_logical_apicid) -#define cpu_present_to_apicid (genapic->cpu_present_to_apicid) -#define apicid_to_cpu_present (genapic->apicid_to_cpu_present) -#define setup_portio_remap (genapic->setup_portio_remap) -#define check_apicid_present (genapic->check_apicid_present) -#define check_phys_apicid_present (genapic->check_phys_apicid_present) -#define check_apicid_used (genapic->check_apicid_used) -#define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid) -#define cpu_mask_to_apicid_and (genapic->cpu_mask_to_apicid_and) -#define vector_allocation_domain (genapic->vector_allocation_domain) -#define enable_apic_mode (genapic->enable_apic_mode) -#define phys_pkg_id (genapic->phys_pkg_id) -#define wakeup_secondary_cpu (genapic->wakeup_cpu) - -extern void generic_bigsmp_probe(void); - -#endif /* _ASM_X86_MACH_GENERIC_MACH_APIC_H */ diff --git a/arch/x86/include/asm/mach-generic/mach_apicdef.h b/arch/x86/include/asm/mach-generic/mach_apicdef.h deleted file mode 100644 index 68041f3802f..00000000000 --- a/arch/x86/include/asm/mach-generic/mach_apicdef.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef _ASM_X86_MACH_GENERIC_MACH_APICDEF_H -#define _ASM_X86_MACH_GENERIC_MACH_APICDEF_H - -#ifndef APIC_DEFINITION -#include <asm/genapic.h> - -#define GET_APIC_ID (genapic->get_apic_id) -#define APIC_ID_MASK (genapic->apic_id_mask) -#endif - -#endif /* _ASM_X86_MACH_GENERIC_MACH_APICDEF_H */ diff --git a/arch/x86/include/asm/mach-generic/mach_ipi.h b/arch/x86/include/asm/mach-generic/mach_ipi.h deleted file mode 100644 index ffd637e3c3d..00000000000 --- a/arch/x86/include/asm/mach-generic/mach_ipi.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef _ASM_X86_MACH_GENERIC_MACH_IPI_H -#define _ASM_X86_MACH_GENERIC_MACH_IPI_H - -#include <asm/genapic.h> - -#define send_IPI_mask (genapic->send_IPI_mask) -#define send_IPI_allbutself (genapic->send_IPI_allbutself) -#define send_IPI_all (genapic->send_IPI_all) - -#endif /* _ASM_X86_MACH_GENERIC_MACH_IPI_H */ diff --git a/arch/x86/include/asm/mach-generic/mach_mpparse.h b/arch/x86/include/asm/mach-generic/mach_mpparse.h deleted file mode 100644 index 9444ab8dca9..00000000000 --- a/arch/x86/include/asm/mach-generic/mach_mpparse.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef _ASM_X86_MACH_GENERIC_MACH_MPPARSE_H -#define _ASM_X86_MACH_GENERIC_MACH_MPPARSE_H - - -extern int mps_oem_check(struct mpc_table *, char *, char *); - -extern int acpi_madt_oem_check(char *, char *); - -#endif /* _ASM_X86_MACH_GENERIC_MACH_MPPARSE_H */ diff --git a/arch/x86/include/asm/mach-generic/mach_mpspec.h b/arch/x86/include/asm/mach-generic/mach_mpspec.h deleted file mode 100644 index 3bc40722657..00000000000 --- a/arch/x86/include/asm/mach-generic/mach_mpspec.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _ASM_X86_MACH_GENERIC_MACH_MPSPEC_H -#define _ASM_X86_MACH_GENERIC_MACH_MPSPEC_H - -#define MAX_IRQ_SOURCES 256 - -/* Summit or generic (i.e. installer) kernels need lots of bus entries. */ -/* Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets. */ -#define MAX_MP_BUSSES 260 - -extern void numaq_mps_oem_check(struct mpc_table *, char *, char *); - -#endif /* _ASM_X86_MACH_GENERIC_MACH_MPSPEC_H */ diff --git a/arch/x86/include/asm/mach-generic/mach_wakecpu.h b/arch/x86/include/asm/mach-generic/mach_wakecpu.h deleted file mode 100644 index 1ab16b168c8..00000000000 --- a/arch/x86/include/asm/mach-generic/mach_wakecpu.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _ASM_X86_MACH_GENERIC_MACH_WAKECPU_H -#define _ASM_X86_MACH_GENERIC_MACH_WAKECPU_H - -#define TRAMPOLINE_PHYS_LOW (genapic->trampoline_phys_low) -#define TRAMPOLINE_PHYS_HIGH (genapic->trampoline_phys_high) -#define wait_for_init_deassert (genapic->wait_for_init_deassert) -#define smp_callin_clear_local_apic (genapic->smp_callin_clear_local_apic) -#define store_NMI_vector (genapic->store_NMI_vector) -#define restore_NMI_vector (genapic->restore_NMI_vector) -#define inquire_remote_apic (genapic->inquire_remote_apic) - -#endif /* _ASM_X86_MACH_GENERIC_MACH_APIC_H */ diff --git a/arch/x86/include/asm/mach-rdc321x/gpio.h b/arch/x86/include/asm/mach-rdc321x/gpio.h deleted file mode 100644 index c210ab5788b..00000000000 --- a/arch/x86/include/asm/mach-rdc321x/gpio.h +++ /dev/null @@ -1,60 +0,0 @@ -#ifndef _ASM_X86_MACH_RDC321X_GPIO_H -#define _ASM_X86_MACH_RDC321X_GPIO_H - -#include <linux/kernel.h> - -extern int rdc_gpio_get_value(unsigned gpio); -extern void rdc_gpio_set_value(unsigned gpio, int value); -extern int rdc_gpio_direction_input(unsigned gpio); -extern int rdc_gpio_direction_output(unsigned gpio, int value); -extern int rdc_gpio_request(unsigned gpio, const char *label); -extern void rdc_gpio_free(unsigned gpio); -extern void __init rdc321x_gpio_setup(void); - -/* Wrappers for the arch-neutral GPIO API */ - -static inline int gpio_request(unsigned gpio, const char *label) -{ - return rdc_gpio_request(gpio, label); -} - -static inline void gpio_free(unsigned gpio) -{ - might_sleep(); - rdc_gpio_free(gpio); -} - -static inline int gpio_direction_input(unsigned gpio) -{ - return rdc_gpio_direction_input(gpio); -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - return rdc_gpio_direction_output(gpio, value); -} - -static inline int gpio_get_value(unsigned gpio) -{ - return rdc_gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - rdc_gpio_set_value(gpio, value); -} - -static inline int gpio_to_irq(unsigned gpio) -{ - return gpio; -} - -static inline int irq_to_gpio(unsigned irq) -{ - return irq; -} - -/* For cansleep */ -#include <asm-generic/gpio.h> - -#endif /* _ASM_X86_MACH_RDC321X_GPIO_H */ diff --git a/arch/x86/include/asm/mach-voyager/do_timer.h b/arch/x86/include/asm/mach-voyager/do_timer.h deleted file mode 100644 index 9e5a459fd15..00000000000 --- a/arch/x86/include/asm/mach-voyager/do_timer.h +++ /dev/null @@ -1,17 +0,0 @@ -/* defines for inline arch setup functions */ -#include <linux/clockchips.h> - -#include <asm/voyager.h> -#include <asm/i8253.h> - -/** - * do_timer_interrupt_hook - hook into timer tick - * - * Call the pit clock event handler. see asm/i8253.h - **/ -static inline void do_timer_interrupt_hook(void) -{ - global_clock_event->event_handler(global_clock_event); - voyager_timer_interrupt(); -} - diff --git a/arch/x86/include/asm/mach-voyager/entry_arch.h b/arch/x86/include/asm/mach-voyager/entry_arch.h deleted file mode 100644 index ae52624b593..00000000000 --- a/arch/x86/include/asm/mach-voyager/entry_arch.h +++ /dev/null @@ -1,26 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8 -*- */ - -/* Copyright (C) 2002 - * - * Author: James.Bottomley@HansenPartnership.com - * - * linux/arch/i386/voyager/entry_arch.h - * - * This file builds the VIC and QIC CPI gates - */ - -/* initialise the voyager interrupt gates - * - * This uses the macros in irq.h to set up assembly jump gates. The - * calls are then redirected to the same routine with smp_ prefixed */ -BUILD_INTERRUPT(vic_sys_interrupt, VIC_SYS_INT) -BUILD_INTERRUPT(vic_cmn_interrupt, VIC_CMN_INT) -BUILD_INTERRUPT(vic_cpi_interrupt, VIC_CPI_LEVEL0); - -/* do all the QIC interrupts */ -BUILD_INTERRUPT(qic_timer_interrupt, QIC_TIMER_CPI); -BUILD_INTERRUPT(qic_invalidate_interrupt, QIC_INVALIDATE_CPI); -BUILD_INTERRUPT(qic_reschedule_interrupt, QIC_RESCHEDULE_CPI); -BUILD_INTERRUPT(qic_enable_irq_interrupt, QIC_ENABLE_IRQ_CPI); -BUILD_INTERRUPT(qic_call_function_interrupt, QIC_CALL_FUNCTION_CPI); -BUILD_INTERRUPT(qic_call_function_single_interrupt, QIC_CALL_FUNCTION_SINGLE_CPI); diff --git a/arch/x86/include/asm/mach-voyager/setup_arch.h b/arch/x86/include/asm/mach-voyager/setup_arch.h deleted file mode 100644 index 71729ca05cd..00000000000 --- a/arch/x86/include/asm/mach-voyager/setup_arch.h +++ /dev/null @@ -1,12 +0,0 @@ -#include <asm/voyager.h> -#include <asm/setup.h> -#define VOYAGER_BIOS_INFO ((struct voyager_bios_info *) \ - (&boot_params.apm_bios_info)) - -/* Hook to call BIOS initialisation function */ - -/* for voyager, pass the voyager BIOS/SUS info area to the detection - * routines */ - -#define ARCH_SETUP voyager_detect(VOYAGER_BIOS_INFO); - diff --git a/arch/x86/include/asm/mach-default/mach_timer.h b/arch/x86/include/asm/mach_timer.h index 853728519ae..853728519ae 100644 --- a/arch/x86/include/asm/mach-default/mach_timer.h +++ b/arch/x86/include/asm/mach_timer.h diff --git a/arch/x86/include/asm/mach-default/mach_traps.h b/arch/x86/include/asm/mach_traps.h index f7920601e47..f7920601e47 100644 --- a/arch/x86/include/asm/mach-default/mach_traps.h +++ b/arch/x86/include/asm/mach_traps.h diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h index 07f1af494ca..105fb90a063 100644 --- a/arch/x86/include/asm/mmzone_32.h +++ b/arch/x86/include/asm/mmzone_32.h @@ -32,8 +32,6 @@ static inline void get_memcfg_numa(void) get_memcfg_numa_flat(); } -extern int early_pfn_to_nid(unsigned long pfn); - extern void resume_map_numa_kva(pgd_t *pgd); #else /* !CONFIG_NUMA */ diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h index a5b3817d4b9..a29f48c2a32 100644 --- a/arch/x86/include/asm/mmzone_64.h +++ b/arch/x86/include/asm/mmzone_64.h @@ -40,8 +40,6 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) #define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \ NODE_DATA(nid)->node_spanned_pages) -extern int early_pfn_to_nid(unsigned long pfn); - #ifdef CONFIG_NUMA_EMU #define FAKE_NODE_MIN_SIZE (64 * 1024 * 1024) #define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL)) diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h index bd22f2a3713..642fc7fc8cd 100644 --- a/arch/x86/include/asm/mpspec.h +++ b/arch/x86/include/asm/mpspec.h @@ -9,7 +9,18 @@ extern int apic_version[MAX_APICS]; extern int pic_mode; #ifdef CONFIG_X86_32 -#include <mach_mpspec.h> + +/* + * Summit or generic (i.e. installer) kernels need lots of bus entries. + * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets. + */ +#if CONFIG_BASE_SMALL == 0 +# define MAX_MP_BUSSES 260 +#else +# define MAX_MP_BUSSES 32 +#endif + +#define MAX_IRQ_SOURCES 256 extern unsigned int def_to_bigsmp; extern u8 apicid_2_node[]; @@ -20,15 +31,15 @@ extern int mp_bus_id_to_local[MAX_MP_BUSSES]; extern int quad_local_to_mp_bus_id [NR_CPUS/4][4]; #endif -#define MAX_APICID 256 +#define MAX_APICID 256 -#else +#else /* CONFIG_X86_64: */ -#define MAX_MP_BUSSES 256 +#define MAX_MP_BUSSES 256 /* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */ -#define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4) +#define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4) -#endif +#endif /* CONFIG_X86_64 */ extern void early_find_smp_config(void); extern void early_get_smp_config(void); @@ -45,11 +56,13 @@ extern int smp_found_config; extern int mpc_default_type; extern unsigned long mp_lapic_addr; -extern void find_smp_config(void); extern void get_smp_config(void); + #ifdef CONFIG_X86_MPPARSE +extern void find_smp_config(void); extern void early_reserve_e820_mpc_new(void); #else +static inline void find_smp_config(void) { } static inline void early_reserve_e820_mpc_new(void) { } #endif @@ -64,6 +77,8 @@ extern int acpi_probe_gsi(void); #ifdef CONFIG_X86_IO_APIC extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin, u32 gsi, int triggering, int polarity); +extern int mp_find_ioapic(int gsi); +extern int mp_find_ioapic_pin(int ioapic, int gsi); #else static inline int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin, @@ -148,4 +163,8 @@ static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map) extern physid_mask_t phys_cpu_present_map; +extern int generic_mps_oem_check(struct mpc_table *, char *, char *); + +extern int default_acpi_madt_oem_check(char *, char *); + #endif /* _ASM_X86_MPSPEC_H */ diff --git a/arch/x86/include/asm/numaq.h b/arch/x86/include/asm/numaq.h index 1e8bd30b4c1..9f0a5f5d29e 100644 --- a/arch/x86/include/asm/numaq.h +++ b/arch/x86/include/asm/numaq.h @@ -31,6 +31,8 @@ extern int found_numaq; extern int get_memcfg_numaq(void); +extern void *xquad_portio; + /* * SYS_CFG_DATA_PRIV_ADDR, struct eachquadmem, and struct sys_cfg_data are the */ diff --git a/arch/x86/include/asm/numaq/apic.h b/arch/x86/include/asm/numaq/apic.h deleted file mode 100644 index bf37bc49bd8..00000000000 --- a/arch/x86/include/asm/numaq/apic.h +++ /dev/null @@ -1,142 +0,0 @@ -#ifndef __ASM_NUMAQ_APIC_H -#define __ASM_NUMAQ_APIC_H - -#include <asm/io.h> -#include <linux/mmzone.h> -#include <linux/nodemask.h> - -#define APIC_DFR_VALUE (APIC_DFR_CLUSTER) - -static inline const cpumask_t *target_cpus(void) -{ - return &CPU_MASK_ALL; -} - -#define NO_BALANCE_IRQ (1) -#define esr_disable (1) - -#define INT_DELIVERY_MODE dest_LowestPrio -#define INT_DEST_MODE 0 /* physical delivery on LOCAL quad */ - -static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) -{ - return physid_isset(apicid, bitmap); -} -static inline unsigned long check_apicid_present(int bit) -{ - return physid_isset(bit, phys_cpu_present_map); -} -#define apicid_cluster(apicid) (apicid & 0xF0) - -static inline int apic_id_registered(void) -{ - return 1; -} - -static inline void init_apic_ldr(void) -{ - /* Already done in NUMA-Q firmware */ -} - -static inline void setup_apic_routing(void) -{ - printk("Enabling APIC mode: %s. Using %d I/O APICs\n", - "NUMA-Q", nr_ioapics); -} - -/* - * Skip adding the timer int on secondary nodes, which causes - * a small but painful rift in the time-space continuum. - */ -static inline int multi_timer_check(int apic, int irq) -{ - return apic != 0 && irq == 0; -} - -static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) -{ - /* We don't have a good way to do this yet - hack */ - return physids_promote(0xFUL); -} - -/* Mapping from cpu number to logical apicid */ -extern u8 cpu_2_logical_apicid[]; -static inline int cpu_to_logical_apicid(int cpu) -{ - if (cpu >= nr_cpu_ids) - return BAD_APICID; - return (int)cpu_2_logical_apicid[cpu]; -} - -/* - * Supporting over 60 cpus on NUMA-Q requires a locality-dependent - * cpu to APIC ID relation to properly interact with the intelligent - * mode of the cluster controller. - */ -static inline int cpu_present_to_apicid(int mps_cpu) -{ - if (mps_cpu < 60) - return ((mps_cpu >> 2) << 4) | (1 << (mps_cpu & 0x3)); - else - return BAD_APICID; -} - -static inline int apicid_to_node(int logical_apicid) -{ - return logical_apicid >> 4; -} - -static inline physid_mask_t apicid_to_cpu_present(int logical_apicid) -{ - int node = apicid_to_node(logical_apicid); - int cpu = __ffs(logical_apicid & 0xf); - - return physid_mask_of_physid(cpu + 4*node); -} - -extern void *xquad_portio; - -static inline void setup_portio_remap(void) -{ - int num_quads = num_online_nodes(); - - if (num_quads <= 1) - return; - - printk("Remapping cross-quad port I/O for %d quads\n", num_quads); - xquad_portio = ioremap(XQUAD_PORTIO_BASE, num_quads*XQUAD_PORTIO_QUAD); - printk("xquad_portio vaddr 0x%08lx, len %08lx\n", - (u_long) xquad_portio, (u_long) num_quads*XQUAD_PORTIO_QUAD); -} - -static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) -{ - return (1); -} - -static inline void enable_apic_mode(void) -{ -} - -/* - * We use physical apicids here, not logical, so just return the default - * physical broadcast to stop people from breaking us - */ -static inline unsigned int cpu_mask_to_apicid(const cpumask_t *cpumask) -{ - return (int) 0xF; -} - -static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *cpumask, - const struct cpumask *andmask) -{ - return (int) 0xF; -} - -/* No NUMA-Q box has a HT CPU, but it can't hurt to use the default code. */ -static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) -{ - return cpuid_apic >> index_msb; -} - -#endif /* __ASM_NUMAQ_APIC_H */ diff --git a/arch/x86/include/asm/numaq/apicdef.h b/arch/x86/include/asm/numaq/apicdef.h deleted file mode 100644 index e012a46cc22..00000000000 --- a/arch/x86/include/asm/numaq/apicdef.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef __ASM_NUMAQ_APICDEF_H -#define __ASM_NUMAQ_APICDEF_H - - -#define APIC_ID_MASK (0xF<<24) - -static inline unsigned get_apic_id(unsigned long x) -{ - return (((x)>>24)&0x0F); -} - -#define GET_APIC_ID(x) get_apic_id(x) - -#endif diff --git a/arch/x86/include/asm/numaq/ipi.h b/arch/x86/include/asm/numaq/ipi.h deleted file mode 100644 index a8374c65277..00000000000 --- a/arch/x86/include/asm/numaq/ipi.h +++ /dev/null @@ -1,22 +0,0 @@ -#ifndef __ASM_NUMAQ_IPI_H -#define __ASM_NUMAQ_IPI_H - -void send_IPI_mask_sequence(const struct cpumask *mask, int vector); -void send_IPI_mask_allbutself(const struct cpumask *mask, int vector); - -static inline void send_IPI_mask(const struct cpumask *mask, int vector) -{ - send_IPI_mask_sequence(mask, vector); -} - -static inline void send_IPI_allbutself(int vector) -{ - send_IPI_mask_allbutself(cpu_online_mask, vector); -} - -static inline void send_IPI_all(int vector) -{ - send_IPI_mask(cpu_online_mask, vector); -} - -#endif /* __ASM_NUMAQ_IPI_H */ diff --git a/arch/x86/include/asm/numaq/mpparse.h b/arch/x86/include/asm/numaq/mpparse.h deleted file mode 100644 index a2eeefcd1cc..00000000000 --- a/arch/x86/include/asm/numaq/mpparse.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_NUMAQ_MPPARSE_H -#define __ASM_NUMAQ_MPPARSE_H - -extern void numaq_mps_oem_check(struct mpc_table *, char *, char *); - -#endif /* __ASM_NUMAQ_MPPARSE_H */ diff --git a/arch/x86/include/asm/numaq/wakecpu.h b/arch/x86/include/asm/numaq/wakecpu.h deleted file mode 100644 index 6f499df8edd..00000000000 --- a/arch/x86/include/asm/numaq/wakecpu.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef __ASM_NUMAQ_WAKECPU_H -#define __ASM_NUMAQ_WAKECPU_H - -/* This file copes with machines that wakeup secondary CPUs by NMIs */ - -#define TRAMPOLINE_PHYS_LOW (0x8) -#define TRAMPOLINE_PHYS_HIGH (0xa) - -/* We don't do anything here because we use NMI's to boot instead */ -static inline void wait_for_init_deassert(atomic_t *deassert) -{ -} - -/* - * Because we use NMIs rather than the INIT-STARTUP sequence to - * bootstrap the CPUs, the APIC may be in a weird state. Kick it. - */ -static inline void smp_callin_clear_local_apic(void) -{ - clear_local_APIC(); -} - -static inline void store_NMI_vector(unsigned short *high, unsigned short *low) -{ - printk("Storing NMI vector\n"); - *high = - *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_HIGH)); - *low = - *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW)); -} - -static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) -{ - printk("Restoring NMI vector\n"); - *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_HIGH)) = - *high; - *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = - *low; -} - -static inline void inquire_remote_apic(int apicid) -{ -} - -#endif /* __ASM_NUMAQ_WAKECPU_H */ diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h index 6b9810859da..89ed9d70b0a 100644 --- a/arch/x86/include/asm/page.h +++ b/arch/x86/include/asm/page.h @@ -1,42 +1,11 @@ #ifndef _ASM_X86_PAGE_H #define _ASM_X86_PAGE_H -#include <linux/const.h> - -/* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 12 -#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) +#include <linux/types.h> #ifdef __KERNEL__ -#define __PHYSICAL_MASK ((phys_addr_t)(1ULL << __PHYSICAL_MASK_SHIFT) - 1) -#define __VIRTUAL_MASK ((1UL << __VIRTUAL_MASK_SHIFT) - 1) - -/* Cast PAGE_MASK to a signed type so that it is sign-extended if - virtual addresses are 32-bits but physical addresses are larger - (ie, 32-bit PAE). */ -#define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK) - -/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */ -#define PTE_PFN_MASK ((pteval_t)PHYSICAL_PAGE_MASK) - -/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */ -#define PTE_FLAGS_MASK (~PTE_PFN_MASK) - -#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) -#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) - -#define HPAGE_SHIFT PMD_SHIFT -#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) -#define HPAGE_MASK (~(HPAGE_SIZE - 1)) -#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) - -#define HUGE_MAX_HSTATE 2 - -#ifndef __ASSEMBLY__ -#include <linux/types.h> -#endif +#include <asm/page_types.h> #ifdef CONFIG_X86_64 #include <asm/page_64.h> @@ -44,39 +13,18 @@ #include <asm/page_32.h> #endif /* CONFIG_X86_64 */ -#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) - -#define VM_DATA_DEFAULT_FLAGS \ - (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ - VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #ifndef __ASSEMBLY__ -typedef struct { pgdval_t pgd; } pgd_t; -typedef struct { pgprotval_t pgprot; } pgprot_t; - -extern int page_is_ram(unsigned long pagenr); -extern int pagerange_is_ram(unsigned long start, unsigned long end); -extern int devmem_is_allowed(unsigned long pagenr); -extern void map_devmem(unsigned long pfn, unsigned long size, - pgprot_t vma_prot); -extern void unmap_devmem(unsigned long pfn, unsigned long size, - pgprot_t vma_prot); - -extern unsigned long max_low_pfn_mapped; -extern unsigned long max_pfn_mapped; - struct page; static inline void clear_user_page(void *page, unsigned long vaddr, - struct page *pg) + struct page *pg) { clear_page(page); } static inline void copy_user_page(void *to, void *from, unsigned long vaddr, - struct page *topage) + struct page *topage) { copy_page(to, from); } @@ -85,98 +33,6 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE -static inline pgd_t native_make_pgd(pgdval_t val) -{ - return (pgd_t) { val }; -} - -static inline pgdval_t native_pgd_val(pgd_t pgd) -{ - return pgd.pgd; -} - -#if PAGETABLE_LEVELS >= 3 -#if PAGETABLE_LEVELS == 4 -typedef struct { pudval_t pud; } pud_t; - -static inline pud_t native_make_pud(pmdval_t val) -{ - return (pud_t) { val }; -} - -static inline pudval_t native_pud_val(pud_t pud) -{ - return pud.pud; -} -#else /* PAGETABLE_LEVELS == 3 */ -#include <asm-generic/pgtable-nopud.h> - -static inline pudval_t native_pud_val(pud_t pud) -{ - return native_pgd_val(pud.pgd); -} -#endif /* PAGETABLE_LEVELS == 4 */ - -typedef struct { pmdval_t pmd; } pmd_t; - -static inline pmd_t native_make_pmd(pmdval_t val) -{ - return (pmd_t) { val }; -} - -static inline pmdval_t native_pmd_val(pmd_t pmd) -{ - return pmd.pmd; -} -#else /* PAGETABLE_LEVELS == 2 */ -#include <asm-generic/pgtable-nopmd.h> - -static inline pmdval_t native_pmd_val(pmd_t pmd) -{ - return native_pgd_val(pmd.pud.pgd); -} -#endif /* PAGETABLE_LEVELS >= 3 */ - -static inline pte_t native_make_pte(pteval_t val) -{ - return (pte_t) { .pte = val }; -} - -static inline pteval_t native_pte_val(pte_t pte) -{ - return pte.pte; -} - -static inline pteval_t pte_flags(pte_t pte) -{ - return native_pte_val(pte) & PTE_FLAGS_MASK; -} - -#define pgprot_val(x) ((x).pgprot) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt.h> -#else /* !CONFIG_PARAVIRT */ - -#define pgd_val(x) native_pgd_val(x) -#define __pgd(x) native_make_pgd(x) - -#ifndef __PAGETABLE_PUD_FOLDED -#define pud_val(x) native_pud_val(x) -#define __pud(x) native_make_pud(x) -#endif - -#ifndef __PAGETABLE_PMD_FOLDED -#define pmd_val(x) native_pmd_val(x) -#define __pmd(x) native_make_pmd(x) -#endif - -#define pte_val(x) native_pte_val(x) -#define __pte(x) native_make_pte(x) - -#endif /* CONFIG_PARAVIRT */ - #define __pa(x) __phys_addr((unsigned long)(x)) #define __pa_nodebug(x) __phys_addr_nodebug((unsigned long)(x)) /* __pa_symbol should be used for C visible symbols. diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h index bcde0d7b432..da4e762406f 100644 --- a/arch/x86/include/asm/page_32.h +++ b/arch/x86/include/asm/page_32.h @@ -1,82 +1,14 @@ #ifndef _ASM_X86_PAGE_32_H #define _ASM_X86_PAGE_32_H -/* - * This handles the memory map. - * - * A __PAGE_OFFSET of 0xC0000000 means that the kernel has - * a virtual address space of one gigabyte, which limits the - * amount of physical memory you can use to about 950MB. - * - * If you want more physical memory than this then see the CONFIG_HIGHMEM4G - * and CONFIG_HIGHMEM64G options in the kernel configuration. - */ -#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) - -#ifdef CONFIG_4KSTACKS -#define THREAD_ORDER 0 -#else -#define THREAD_ORDER 1 -#endif -#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) - -#define STACKFAULT_STACK 0 -#define DOUBLEFAULT_STACK 1 -#define NMI_STACK 0 -#define DEBUG_STACK 0 -#define MCE_STACK 0 -#define N_EXCEPTION_STACKS 1 - -#ifdef CONFIG_X86_PAE -/* 44=32+12, the limit we can fit into an unsigned long pfn */ -#define __PHYSICAL_MASK_SHIFT 44 -#define __VIRTUAL_MASK_SHIFT 32 -#define PAGETABLE_LEVELS 3 - -#ifndef __ASSEMBLY__ -typedef u64 pteval_t; -typedef u64 pmdval_t; -typedef u64 pudval_t; -typedef u64 pgdval_t; -typedef u64 pgprotval_t; - -typedef union { - struct { - unsigned long pte_low, pte_high; - }; - pteval_t pte; -} pte_t; -#endif /* __ASSEMBLY__ - */ -#else /* !CONFIG_X86_PAE */ -#define __PHYSICAL_MASK_SHIFT 32 -#define __VIRTUAL_MASK_SHIFT 32 -#define PAGETABLE_LEVELS 2 - -#ifndef __ASSEMBLY__ -typedef unsigned long pteval_t; -typedef unsigned long pmdval_t; -typedef unsigned long pudval_t; -typedef unsigned long pgdval_t; -typedef unsigned long pgprotval_t; - -typedef union { - pteval_t pte; - pteval_t pte_low; -} pte_t; - -#endif /* __ASSEMBLY__ */ -#endif /* CONFIG_X86_PAE */ +#include <asm/page_32_types.h> #ifndef __ASSEMBLY__ -typedef struct page *pgtable_t; -#endif #ifdef CONFIG_HUGETLB_PAGE #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA #endif -#ifndef __ASSEMBLY__ #define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) #ifdef CONFIG_DEBUG_VIRTUAL extern unsigned long __phys_addr(unsigned long); @@ -89,23 +21,6 @@ extern unsigned long __phys_addr(unsigned long); #define pfn_valid(pfn) ((pfn) < max_mapnr) #endif /* CONFIG_FLATMEM */ -extern int nx_enabled; - -/* - * This much address space is reserved for vmalloc() and iomap() - * as well as fixmap mappings. - */ -extern unsigned int __VMALLOC_RESERVE; -extern int sysctl_legacy_va_layout; - -extern void find_low_pfn_range(void); -extern unsigned long init_memory_mapping(unsigned long start, - unsigned long end); -extern void initmem_init(unsigned long, unsigned long); -extern void free_initmem(void); -extern void setup_bootmem_allocator(void); - - #ifdef CONFIG_X86_USE_3DNOW #include <asm/mmx.h> diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h new file mode 100644 index 00000000000..f1e4a79a6e4 --- /dev/null +++ b/arch/x86/include/asm/page_32_types.h @@ -0,0 +1,60 @@ +#ifndef _ASM_X86_PAGE_32_DEFS_H +#define _ASM_X86_PAGE_32_DEFS_H + +#include <linux/const.h> + +/* + * This handles the memory map. + * + * A __PAGE_OFFSET of 0xC0000000 means that the kernel has + * a virtual address space of one gigabyte, which limits the + * amount of physical memory you can use to about 950MB. + * + * If you want more physical memory than this then see the CONFIG_HIGHMEM4G + * and CONFIG_HIGHMEM64G options in the kernel configuration. + */ +#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) + +#ifdef CONFIG_4KSTACKS +#define THREAD_ORDER 0 +#else +#define THREAD_ORDER 1 +#endif +#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) + +#define STACKFAULT_STACK 0 +#define DOUBLEFAULT_STACK 1 +#define NMI_STACK 0 +#define DEBUG_STACK 0 +#define MCE_STACK 0 +#define N_EXCEPTION_STACKS 1 + +#ifdef CONFIG_X86_PAE +/* 44=32+12, the limit we can fit into an unsigned long pfn */ +#define __PHYSICAL_MASK_SHIFT 44 +#define __VIRTUAL_MASK_SHIFT 32 + +#else /* !CONFIG_X86_PAE */ +#define __PHYSICAL_MASK_SHIFT 32 +#define __VIRTUAL_MASK_SHIFT 32 +#endif /* CONFIG_X86_PAE */ + +#ifndef __ASSEMBLY__ + +/* + * This much address space is reserved for vmalloc() and iomap() + * as well as fixmap mappings. + */ +extern unsigned int __VMALLOC_RESERVE; +extern int sysctl_legacy_va_layout; + +extern void find_low_pfn_range(void); +extern unsigned long init_memory_mapping(unsigned long start, + unsigned long end); +extern void initmem_init(unsigned long, unsigned long); +extern void free_initmem(void); +extern void setup_bootmem_allocator(void); + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_X86_PAGE_32_DEFS_H */ diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h index e27fdbe5f9e..072694ed81a 100644 --- a/arch/x86/include/asm/page_64.h +++ b/arch/x86/include/asm/page_64.h @@ -1,105 +1,6 @@ #ifndef _ASM_X86_PAGE_64_H #define _ASM_X86_PAGE_64_H -#define PAGETABLE_LEVELS 4 - -#define THREAD_ORDER 1 -#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) -#define CURRENT_MASK (~(THREAD_SIZE - 1)) - -#define EXCEPTION_STACK_ORDER 0 -#define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) - -#define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) -#define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) - -#define IRQ_STACK_ORDER 2 -#define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER) - -#define STACKFAULT_STACK 1 -#define DOUBLEFAULT_STACK 2 -#define NMI_STACK 3 -#define DEBUG_STACK 4 -#define MCE_STACK 5 -#define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ - -#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) -#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) - -/* - * Set __PAGE_OFFSET to the most negative possible address + - * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a - * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's - * what Xen requires. - */ -#define __PAGE_OFFSET _AC(0xffff880000000000, UL) - -#define __PHYSICAL_START CONFIG_PHYSICAL_START -#define __KERNEL_ALIGN 0x200000 - -/* - * Make sure kernel is aligned to 2MB address. Catching it at compile - * time is better. Change your config file and compile the kernel - * for a 2MB aligned address (CONFIG_PHYSICAL_START) - */ -#if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 -#error "CONFIG_PHYSICAL_START must be a multiple of 2MB" -#endif - -#define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) -#define __START_KERNEL_map _AC(0xffffffff80000000, UL) - -/* See Documentation/x86_64/mm.txt for a description of the memory map. */ -#define __PHYSICAL_MASK_SHIFT 46 -#define __VIRTUAL_MASK_SHIFT 48 - -/* - * Kernel image size is limited to 512 MB (see level2_kernel_pgt in - * arch/x86/kernel/head_64.S), and it is mapped here: - */ -#define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) -#define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) - -#ifndef __ASSEMBLY__ -void clear_page(void *page); -void copy_page(void *to, void *from); - -/* duplicated to the one in bootmem.h */ -extern unsigned long max_pfn; -extern unsigned long phys_base; - -extern unsigned long __phys_addr(unsigned long); -#define __phys_reloc_hide(x) (x) - -/* - * These are used to make use of C type-checking.. - */ -typedef unsigned long pteval_t; -typedef unsigned long pmdval_t; -typedef unsigned long pudval_t; -typedef unsigned long pgdval_t; -typedef unsigned long pgprotval_t; - -typedef struct page *pgtable_t; - -typedef struct { pteval_t pte; } pte_t; - -#define vmemmap ((struct page *)VMEMMAP_START) - -extern unsigned long init_memory_mapping(unsigned long start, - unsigned long end); - -extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); -extern void free_initmem(void); - -extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); -extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); - -#endif /* !__ASSEMBLY__ */ - -#ifdef CONFIG_FLATMEM -#define pfn_valid(pfn) ((pfn) < max_pfn) -#endif - +#include <asm/page_64_types.h> #endif /* _ASM_X86_PAGE_64_H */ diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h new file mode 100644 index 00000000000..d38c91b7024 --- /dev/null +++ b/arch/x86/include/asm/page_64_types.h @@ -0,0 +1,89 @@ +#ifndef _ASM_X86_PAGE_64_DEFS_H +#define _ASM_X86_PAGE_64_DEFS_H + +#define THREAD_ORDER 1 +#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) +#define CURRENT_MASK (~(THREAD_SIZE - 1)) + +#define EXCEPTION_STACK_ORDER 0 +#define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) + +#define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) +#define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) + +#define IRQ_STACK_ORDER 2 +#define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER) + +#define STACKFAULT_STACK 1 +#define DOUBLEFAULT_STACK 2 +#define NMI_STACK 3 +#define DEBUG_STACK 4 +#define MCE_STACK 5 +#define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ + +#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) +#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) + +/* + * Set __PAGE_OFFSET to the most negative possible address + + * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a + * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's + * what Xen requires. + */ +#define __PAGE_OFFSET _AC(0xffff880000000000, UL) + +#define __PHYSICAL_START CONFIG_PHYSICAL_START +#define __KERNEL_ALIGN 0x200000 + +/* + * Make sure kernel is aligned to 2MB address. Catching it at compile + * time is better. Change your config file and compile the kernel + * for a 2MB aligned address (CONFIG_PHYSICAL_START) + */ +#if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 +#error "CONFIG_PHYSICAL_START must be a multiple of 2MB" +#endif + +#define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) +#define __START_KERNEL_map _AC(0xffffffff80000000, UL) + +/* See Documentation/x86_64/mm.txt for a description of the memory map. */ +#define __PHYSICAL_MASK_SHIFT 46 +#define __VIRTUAL_MASK_SHIFT 48 + +/* + * Kernel image size is limited to 512 MB (see level2_kernel_pgt in + * arch/x86/kernel/head_64.S), and it is mapped here: + */ +#define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) +#define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) + +#ifndef __ASSEMBLY__ +void clear_page(void *page); +void copy_page(void *to, void *from); + +/* duplicated to the one in bootmem.h */ +extern unsigned long max_pfn; +extern unsigned long phys_base; + +extern unsigned long __phys_addr(unsigned long); +#define __phys_reloc_hide(x) (x) + +#define vmemmap ((struct page *)VMEMMAP_START) + +extern unsigned long init_memory_mapping(unsigned long start, + unsigned long end); + +extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); +extern void free_initmem(void); + +extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); +extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); + +#endif /* !__ASSEMBLY__ */ + +#ifdef CONFIG_FLATMEM +#define pfn_valid(pfn) ((pfn) < max_pfn) +#endif + +#endif /* _ASM_X86_PAGE_64_DEFS_H */ diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h new file mode 100644 index 00000000000..2d625da6603 --- /dev/null +++ b/arch/x86/include/asm/page_types.h @@ -0,0 +1,57 @@ +#ifndef _ASM_X86_PAGE_DEFS_H +#define _ASM_X86_PAGE_DEFS_H + +#include <linux/const.h> + +/* PAGE_SHIFT determines the page size */ +#define PAGE_SHIFT 12 +#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#define __PHYSICAL_MASK ((phys_addr_t)(1ULL << __PHYSICAL_MASK_SHIFT) - 1) +#define __VIRTUAL_MASK ((1UL << __VIRTUAL_MASK_SHIFT) - 1) + +/* Cast PAGE_MASK to a signed type so that it is sign-extended if + virtual addresses are 32-bits but physical addresses are larger + (ie, 32-bit PAE). */ +#define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK) + +#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) +#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) + +#define HPAGE_SHIFT PMD_SHIFT +#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) + +#define HUGE_MAX_HSTATE 2 + +#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) + +#define VM_DATA_DEFAULT_FLAGS \ + (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ + VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#ifdef CONFIG_X86_64 +#include <asm/page_64_types.h> +#else +#include <asm/page_32_types.h> +#endif /* CONFIG_X86_64 */ + +#ifndef __ASSEMBLY__ + +struct pgprot; + +extern int page_is_ram(unsigned long pagenr); +extern int devmem_is_allowed(unsigned long pagenr); +extern void map_devmem(unsigned long pfn, unsigned long size, + struct pgprot vma_prot); +extern void unmap_devmem(unsigned long pfn, unsigned long size, + struct pgprot vma_prot); + +extern unsigned long max_low_pfn_mapped; +extern unsigned long max_pfn_mapped; + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_X86_PAGE_DEFS_H */ diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index ff691736f5e..0617d5cc971 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -4,7 +4,7 @@ * para-virtualization: those hooks are defined here. */ #ifdef CONFIG_PARAVIRT -#include <asm/page.h> +#include <asm/pgtable_types.h> #include <asm/asm.h> /* Bitmask of what can be clobbered: usually at least eax. */ @@ -1431,14 +1431,7 @@ static inline void arch_leave_lazy_cpu_mode(void) PVOP_VCALL0(pv_cpu_ops.lazy_mode.leave); } -static inline void arch_flush_lazy_cpu_mode(void) -{ - if (unlikely(paravirt_get_lazy_mode() == PARAVIRT_LAZY_CPU)) { - arch_leave_lazy_cpu_mode(); - arch_enter_lazy_cpu_mode(); - } -} - +void arch_flush_lazy_cpu_mode(void); #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE static inline void arch_enter_lazy_mmu_mode(void) @@ -1451,13 +1444,7 @@ static inline void arch_leave_lazy_mmu_mode(void) PVOP_VCALL0(pv_mmu_ops.lazy_mode.leave); } -static inline void arch_flush_lazy_mmu_mode(void) -{ - if (unlikely(paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU)) { - arch_leave_lazy_mmu_mode(); - arch_enter_lazy_mmu_mode(); - } -} +void arch_flush_lazy_mmu_mode(void); static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, unsigned long phys, pgprot_t flags) @@ -1482,6 +1469,7 @@ static inline int __raw_spin_is_contended(struct raw_spinlock *lock) { return PVOP_CALL1(int, pv_lock_ops.spin_is_contended, lock); } +#define __raw_spin_is_contended __raw_spin_is_contended static __always_inline void __raw_spin_lock(struct raw_spinlock *lock) { diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h index b8493b3b989..9709fdff661 100644 --- a/arch/x86/include/asm/pat.h +++ b/arch/x86/include/asm/pat.h @@ -5,10 +5,8 @@ #ifdef CONFIG_X86_PAT extern int pat_enabled; -extern void validate_pat_support(struct cpuinfo_x86 *c); #else static const int pat_enabled; -static inline void validate_pat_support(struct cpuinfo_x86 *c) { } #endif extern void pat_init(void); @@ -17,6 +15,4 @@ extern int reserve_memtype(u64 start, u64 end, unsigned long req_type, unsigned long *ret_type); extern int free_memtype(u64 start, u64 end); -extern void pat_disable(char *reason); - #endif /* _ASM_X86_PAT_H */ diff --git a/arch/x86/include/asm/mach-default/pci-functions.h b/arch/x86/include/asm/pci-functions.h index ed0bab42735..ed0bab42735 100644 --- a/arch/x86/include/asm/mach-default/pci-functions.h +++ b/arch/x86/include/asm/pci-functions.h diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h index e0d199fe1d8..c1774ac9da7 100644 --- a/arch/x86/include/asm/pgtable-2level.h +++ b/arch/x86/include/asm/pgtable-2level.h @@ -53,8 +53,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp) #define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp) #endif -#define pte_none(x) (!(x).pte_low) - /* * Bits _PAGE_BIT_PRESENT, _PAGE_BIT_FILE and _PAGE_BIT_PROTNONE are taken, * split up the 29 bits of offset into this range: diff --git a/arch/x86/include/asm/pgtable-2level-defs.h b/arch/x86/include/asm/pgtable-2level_types.h index d77db8990ea..daacc23e3fb 100644 --- a/arch/x86/include/asm/pgtable-2level-defs.h +++ b/arch/x86/include/asm/pgtable-2level_types.h @@ -1,7 +1,23 @@ #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +typedef unsigned long pteval_t; +typedef unsigned long pmdval_t; +typedef unsigned long pudval_t; +typedef unsigned long pgdval_t; +typedef unsigned long pgprotval_t; + +typedef union { + pteval_t pte; + pteval_t pte_low; +} pte_t; +#endif /* !__ASSEMBLY__ */ + #define SHARED_KERNEL_PMD 0 +#define PAGETABLE_LEVELS 2 /* * traditional i386 two-level paging structure: @@ -10,6 +26,7 @@ #define PGDIR_SHIFT 22 #define PTRS_PER_PGD 1024 + /* * the i386 is two-level, so we don't really have any * PMD directory physically. diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index 447da43cddb..3f13cdf6115 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -18,21 +18,6 @@ printk("%s:%d: bad pgd %p(%016Lx).\n", \ __FILE__, __LINE__, &(e), pgd_val(e)) -static inline int pud_none(pud_t pud) -{ - return pud_val(pud) == 0; -} - -static inline int pud_bad(pud_t pud) -{ - return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0; -} - -static inline int pud_present(pud_t pud) -{ - return pud_val(pud) & _PAGE_PRESENT; -} - /* Rules for using set_pte: the pte being assigned *must* be * either not present or in a state where the hardware will * not attempt to update the pte. In places where this is @@ -120,15 +105,6 @@ static inline void pud_clear(pud_t *pudp) write_cr3(pgd); } -#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT) - -#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PTE_PFN_MASK)) - - -/* Find an entry in the second-level page table.. */ -#define pmd_offset(pud, address) ((pmd_t *)pud_page_vaddr(*(pud)) + \ - pmd_index(address)) - #ifdef CONFIG_SMP static inline pte_t native_ptep_get_and_clear(pte_t *ptep) { @@ -145,17 +121,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *ptep) #define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp) #endif -#define __HAVE_ARCH_PTE_SAME -static inline int pte_same(pte_t a, pte_t b) -{ - return a.pte_low == b.pte_low && a.pte_high == b.pte_high; -} - -static inline int pte_none(pte_t pte) -{ - return !pte.pte_low && !pte.pte_high; -} - /* * Bits 0, 6 and 7 are taken in the low part of the pte, * put the 32 bits of offset into the high part. diff --git a/arch/x86/include/asm/pgtable-3level-defs.h b/arch/x86/include/asm/pgtable-3level_types.h index 62561367653..1bd5876c864 100644 --- a/arch/x86/include/asm/pgtable-3level-defs.h +++ b/arch/x86/include/asm/pgtable-3level_types.h @@ -1,12 +1,31 @@ #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +typedef u64 pteval_t; +typedef u64 pmdval_t; +typedef u64 pudval_t; +typedef u64 pgdval_t; +typedef u64 pgprotval_t; + +typedef union { + struct { + unsigned long pte_low, pte_high; + }; + pteval_t pte; +} pte_t; +#endif /* !__ASSEMBLY__ */ + #ifdef CONFIG_PARAVIRT #define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) #else #define SHARED_KERNEL_PMD 1 #endif +#define PAGETABLE_LEVELS 3 + /* * PGDIR_SHIFT determines what a top-level page table entry can map */ @@ -25,4 +44,5 @@ */ #define PTRS_PER_PTE 512 + #endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */ diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 6f7c102018b..1c097a3a666 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1,164 +1,9 @@ #ifndef _ASM_X86_PGTABLE_H #define _ASM_X86_PGTABLE_H -#define FIRST_USER_ADDRESS 0 - -#define _PAGE_BIT_PRESENT 0 /* is present */ -#define _PAGE_BIT_RW 1 /* writeable */ -#define _PAGE_BIT_USER 2 /* userspace addressable */ -#define _PAGE_BIT_PWT 3 /* page write through */ -#define _PAGE_BIT_PCD 4 /* page cache disabled */ -#define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */ -#define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */ -#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ -#define _PAGE_BIT_PAT 7 /* on 4KB pages */ -#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ -#define _PAGE_BIT_UNUSED1 9 /* available for programmer */ -#define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ -#define _PAGE_BIT_UNUSED3 11 -#define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ -#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 -#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 -#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ - -/* If _PAGE_BIT_PRESENT is clear, we use these: */ -/* - if the user mapped it with PROT_NONE; pte_present gives true */ -#define _PAGE_BIT_PROTNONE _PAGE_BIT_GLOBAL -/* - set: nonlinear file mapping, saved PTE; unset:swap */ -#define _PAGE_BIT_FILE _PAGE_BIT_DIRTY - -#define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) -#define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) -#define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) -#define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT) -#define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD) -#define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) -#define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) -#define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) -#define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) -#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) -#define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) -#define _PAGE_UNUSED3 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED3) -#define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) -#define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) -#define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) -#define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST) -#define __HAVE_ARCH_PTE_SPECIAL - -#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) -#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) -#else -#define _PAGE_NX (_AT(pteval_t, 0)) -#endif +#include <asm/page.h> -#define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE) -#define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) - -#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_DIRTY) -#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | \ - _PAGE_DIRTY) - -/* Set of bits not changed in pte_modify */ -#define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \ - _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY) - -#define _PAGE_CACHE_MASK (_PAGE_PCD | _PAGE_PWT) -#define _PAGE_CACHE_WB (0) -#define _PAGE_CACHE_WC (_PAGE_PWT) -#define _PAGE_CACHE_UC_MINUS (_PAGE_PCD) -#define _PAGE_CACHE_UC (_PAGE_PCD | _PAGE_PWT) - -#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) -#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_NX) - -#define PAGE_SHARED_EXEC __pgprot(_PAGE_PRESENT | _PAGE_RW | \ - _PAGE_USER | _PAGE_ACCESSED) -#define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_NX) -#define PAGE_COPY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED) -#define PAGE_COPY PAGE_COPY_NOEXEC -#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_NX) -#define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED) - -#define __PAGE_KERNEL_EXEC \ - (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) -#define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) - -#define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) -#define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) -#define __PAGE_KERNEL_EXEC_NOCACHE (__PAGE_KERNEL_EXEC | _PAGE_PCD | _PAGE_PWT) -#define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC) -#define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT) -#define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD) -#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) -#define __PAGE_KERNEL_VSYSCALL_NOCACHE (__PAGE_KERNEL_VSYSCALL | _PAGE_PCD | _PAGE_PWT) -#define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) -#define __PAGE_KERNEL_LARGE_NOCACHE (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE) -#define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) - -#define __PAGE_KERNEL_IO (__PAGE_KERNEL | _PAGE_IOMAP) -#define __PAGE_KERNEL_IO_NOCACHE (__PAGE_KERNEL_NOCACHE | _PAGE_IOMAP) -#define __PAGE_KERNEL_IO_UC_MINUS (__PAGE_KERNEL_UC_MINUS | _PAGE_IOMAP) -#define __PAGE_KERNEL_IO_WC (__PAGE_KERNEL_WC | _PAGE_IOMAP) - -#define PAGE_KERNEL __pgprot(__PAGE_KERNEL) -#define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) -#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) -#define PAGE_KERNEL_RX __pgprot(__PAGE_KERNEL_RX) -#define PAGE_KERNEL_WC __pgprot(__PAGE_KERNEL_WC) -#define PAGE_KERNEL_NOCACHE __pgprot(__PAGE_KERNEL_NOCACHE) -#define PAGE_KERNEL_UC_MINUS __pgprot(__PAGE_KERNEL_UC_MINUS) -#define PAGE_KERNEL_EXEC_NOCACHE __pgprot(__PAGE_KERNEL_EXEC_NOCACHE) -#define PAGE_KERNEL_LARGE __pgprot(__PAGE_KERNEL_LARGE) -#define PAGE_KERNEL_LARGE_NOCACHE __pgprot(__PAGE_KERNEL_LARGE_NOCACHE) -#define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC) -#define PAGE_KERNEL_VSYSCALL __pgprot(__PAGE_KERNEL_VSYSCALL) -#define PAGE_KERNEL_VSYSCALL_NOCACHE __pgprot(__PAGE_KERNEL_VSYSCALL_NOCACHE) - -#define PAGE_KERNEL_IO __pgprot(__PAGE_KERNEL_IO) -#define PAGE_KERNEL_IO_NOCACHE __pgprot(__PAGE_KERNEL_IO_NOCACHE) -#define PAGE_KERNEL_IO_UC_MINUS __pgprot(__PAGE_KERNEL_IO_UC_MINUS) -#define PAGE_KERNEL_IO_WC __pgprot(__PAGE_KERNEL_IO_WC) - -/* xwr */ -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY_EXEC -#define __P101 PAGE_READONLY_EXEC -#define __P110 PAGE_COPY_EXEC -#define __P111 PAGE_COPY_EXEC - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY_EXEC -#define __S101 PAGE_READONLY_EXEC -#define __S110 PAGE_SHARED_EXEC -#define __S111 PAGE_SHARED_EXEC - -/* - * early identity mapping pte attrib macros. - */ -#ifdef CONFIG_X86_64 -#define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC -#else -/* - * For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection - * bits are combined, this will alow user to access the high address mapped - * VDSO in the presence of CONFIG_COMPAT_VDSO - */ -#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ -#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ -#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ -#endif +#include <asm/pgtable_types.h> /* * Macro to mark a page protection value as UC- @@ -170,9 +15,6 @@ #ifndef __ASSEMBLY__ -#define pgprot_writecombine pgprot_writecombine -extern pgprot_t pgprot_writecombine(pgprot_t prot); - /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. @@ -183,6 +25,66 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; extern spinlock_t pgd_lock; extern struct list_head pgd_list; +#ifdef CONFIG_PARAVIRT +#include <asm/paravirt.h> +#else /* !CONFIG_PARAVIRT */ +#define set_pte(ptep, pte) native_set_pte(ptep, pte) +#define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte) + +#define set_pte_present(mm, addr, ptep, pte) \ + native_set_pte_present(mm, addr, ptep, pte) +#define set_pte_atomic(ptep, pte) \ + native_set_pte_atomic(ptep, pte) + +#define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd) + +#ifndef __PAGETABLE_PUD_FOLDED +#define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) +#define pgd_clear(pgd) native_pgd_clear(pgd) +#endif + +#ifndef set_pud +# define set_pud(pudp, pud) native_set_pud(pudp, pud) +#endif + +#ifndef __PAGETABLE_PMD_FOLDED +#define pud_clear(pud) native_pud_clear(pud) +#endif + +#define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep) +#define pmd_clear(pmd) native_pmd_clear(pmd) + +#define pte_update(mm, addr, ptep) do { } while (0) +#define pte_update_defer(mm, addr, ptep) do { } while (0) + +static inline void __init paravirt_pagetable_setup_start(pgd_t *base) +{ + native_pagetable_setup_start(base); +} + +static inline void __init paravirt_pagetable_setup_done(pgd_t *base) +{ + native_pagetable_setup_done(base); +} + +#define pgd_val(x) native_pgd_val(x) +#define __pgd(x) native_make_pgd(x) + +#ifndef __PAGETABLE_PUD_FOLDED +#define pud_val(x) native_pud_val(x) +#define __pud(x) native_make_pud(x) +#endif + +#ifndef __PAGETABLE_PMD_FOLDED +#define pmd_val(x) native_pmd_val(x) +#define __pmd(x) native_make_pmd(x) +#endif + +#define pte_val(x) native_pte_val(x) +#define __pte(x) native_make_pte(x) + +#endif /* CONFIG_PARAVIRT */ + /* * The following only work if pte_present() is true. * Undefined behaviour if not.. @@ -236,7 +138,7 @@ static inline unsigned long pte_pfn(pte_t pte) static inline int pmd_large(pmd_t pte) { - return (pmd_val(pte) & (_PAGE_PSE | _PAGE_PRESENT)) == + return (pmd_flags(pte) & (_PAGE_PSE | _PAGE_PRESENT)) == (_PAGE_PSE | _PAGE_PRESENT); } @@ -314,8 +216,6 @@ static inline pte_t pte_mkspecial(pte_t pte) return pte_set_flags(pte, _PAGE_SPECIAL); } -extern pteval_t __supported_pte_mask; - /* * Mask out unsupported bits in a present pgprot. Non-present pgprots * can use those bits for other purposes, so leave them be. @@ -388,82 +288,195 @@ static inline int is_new_memtype_allowed(unsigned long flags, return 1; } -#ifndef __ASSEMBLY__ -/* Indicate that x86 has its own track and untrack pfn vma functions */ -#define __HAVE_PFNMAP_TRACKING - -#define __HAVE_PHYS_MEM_ACCESS_PROT -struct file; -pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, - unsigned long size, pgprot_t vma_prot); -int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, - unsigned long size, pgprot_t *vma_prot); -#endif - -/* Install a pte for a particular vaddr in kernel space. */ -void set_pte_vaddr(unsigned long vaddr, pte_t pte); +#endif /* __ASSEMBLY__ */ #ifdef CONFIG_X86_32 -extern void native_pagetable_setup_start(pgd_t *base); -extern void native_pagetable_setup_done(pgd_t *base); +# include "pgtable_32.h" #else -static inline void native_pagetable_setup_start(pgd_t *base) {} -static inline void native_pagetable_setup_done(pgd_t *base) {} +# include "pgtable_64.h" #endif -struct seq_file; -extern void arch_report_meminfo(struct seq_file *m); +#ifndef __ASSEMBLY__ +#include <linux/mm_types.h> -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt.h> -#else /* !CONFIG_PARAVIRT */ -#define set_pte(ptep, pte) native_set_pte(ptep, pte) -#define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte) +static inline int pte_none(pte_t pte) +{ + return !pte.pte; +} -#define set_pte_present(mm, addr, ptep, pte) \ - native_set_pte_present(mm, addr, ptep, pte) -#define set_pte_atomic(ptep, pte) \ - native_set_pte_atomic(ptep, pte) +#define __HAVE_ARCH_PTE_SAME +static inline int pte_same(pte_t a, pte_t b) +{ + return a.pte == b.pte; +} -#define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd) +static inline int pte_present(pte_t a) +{ + return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE); +} -#ifndef __PAGETABLE_PUD_FOLDED -#define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) -#define pgd_clear(pgd) native_pgd_clear(pgd) -#endif +static inline int pmd_present(pmd_t pmd) +{ + return pmd_flags(pmd) & _PAGE_PRESENT; +} -#ifndef set_pud -# define set_pud(pudp, pud) native_set_pud(pudp, pud) -#endif +static inline int pmd_none(pmd_t pmd) +{ + /* Only check low word on 32-bit platforms, since it might be + out of sync with upper half. */ + return (unsigned long)native_pmd_val(pmd) == 0; +} -#ifndef __PAGETABLE_PMD_FOLDED -#define pud_clear(pud) native_pud_clear(pud) -#endif +static inline unsigned long pmd_page_vaddr(pmd_t pmd) +{ + return (unsigned long)__va(pmd_val(pmd) & PTE_PFN_MASK); +} -#define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep) -#define pmd_clear(pmd) native_pmd_clear(pmd) +/* + * Currently stuck as a macro due to indirect forward reference to + * linux/mmzone.h's __section_mem_map_addr() definition: + */ +#define pmd_page(pmd) pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT) -#define pte_update(mm, addr, ptep) do { } while (0) -#define pte_update_defer(mm, addr, ptep) do { } while (0) +/* + * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] + * + * this macro returns the index of the entry in the pmd page which would + * control the given virtual address + */ +static inline unsigned pmd_index(unsigned long address) +{ + return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1); +} -static inline void __init paravirt_pagetable_setup_start(pgd_t *base) +/* + * Conversion functions: convert a page and protection to a page entry, + * and a page entry and page directory to the page they refer to. + * + * (Currently stuck as a macro because of indirect forward reference + * to linux/mm.h:page_to_nid()) + */ +#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) + +/* + * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] + * + * this function returns the index of the entry in the pte page which would + * control the given virtual address + */ +static inline unsigned pte_index(unsigned long address) { - native_pagetable_setup_start(base); + return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1); } -static inline void __init paravirt_pagetable_setup_done(pgd_t *base) +static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) { - native_pagetable_setup_done(base); + return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address); } -#endif /* CONFIG_PARAVIRT */ -#endif /* __ASSEMBLY__ */ +static inline int pmd_bad(pmd_t pmd) +{ + return (pmd_flags(pmd) & ~_PAGE_USER) != _KERNPG_TABLE; +} -#ifdef CONFIG_X86_32 -# include "pgtable_32.h" +static inline unsigned long pages_to_mb(unsigned long npg) +{ + return npg >> (20 - PAGE_SHIFT); +} + +#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ + remap_pfn_range(vma, vaddr, pfn, size, prot) + +#if PAGETABLE_LEVELS > 2 +static inline int pud_none(pud_t pud) +{ + return native_pud_val(pud) == 0; +} + +static inline int pud_present(pud_t pud) +{ + return pud_flags(pud) & _PAGE_PRESENT; +} + +static inline unsigned long pud_page_vaddr(pud_t pud) +{ + return (unsigned long)__va((unsigned long)pud_val(pud) & PTE_PFN_MASK); +} + +/* + * Currently stuck as a macro due to indirect forward reference to + * linux/mmzone.h's __section_mem_map_addr() definition: + */ +#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT) + +/* Find an entry in the second-level page table.. */ +static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) +{ + return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address); +} + +static inline unsigned long pmd_pfn(pmd_t pmd) +{ + return (pmd_val(pmd) & PTE_PFN_MASK) >> PAGE_SHIFT; +} + +static inline int pud_large(pud_t pud) +{ + return (pud_val(pud) & (_PAGE_PSE | _PAGE_PRESENT)) == + (_PAGE_PSE | _PAGE_PRESENT); +} + +static inline int pud_bad(pud_t pud) +{ + return (pud_flags(pud) & ~(_KERNPG_TABLE | _PAGE_USER)) != 0; +} #else -# include "pgtable_64.h" -#endif +static inline int pud_large(pud_t pud) +{ + return 0; +} +#endif /* PAGETABLE_LEVELS > 2 */ + +#if PAGETABLE_LEVELS > 3 +static inline int pgd_present(pgd_t pgd) +{ + return pgd_flags(pgd) & _PAGE_PRESENT; +} + +static inline unsigned long pgd_page_vaddr(pgd_t pgd) +{ + return (unsigned long)__va((unsigned long)pgd_val(pgd) & PTE_PFN_MASK); +} + +/* + * Currently stuck as a macro due to indirect forward reference to + * linux/mmzone.h's __section_mem_map_addr() definition: + */ +#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT) + +/* to find an entry in a page-table-directory. */ +static inline unsigned pud_index(unsigned long address) +{ + return (address >> PUD_SHIFT) & (PTRS_PER_PUD - 1); +} + +static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) +{ + return (pud_t *)pgd_page_vaddr(*pgd) + pud_index(address); +} + +static inline int pgd_bad(pgd_t pgd) +{ + return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE; +} + +static inline int pgd_none(pgd_t pgd) +{ + return !native_pgd_val(pgd); +} +#endif /* PAGETABLE_LEVELS > 3 */ + +#endif /* __ASSEMBLY__ */ /* * the pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD] @@ -490,28 +503,6 @@ static inline void __init paravirt_pagetable_setup_done(pgd_t *base) #ifndef __ASSEMBLY__ -enum { - PG_LEVEL_NONE, - PG_LEVEL_4K, - PG_LEVEL_2M, - PG_LEVEL_1G, - PG_LEVEL_NUM -}; - -#ifdef CONFIG_PROC_FS -extern void update_page_count(int level, unsigned long pages); -#else -static inline void update_page_count(int level, unsigned long pages) { } -#endif - -/* - * Helper function that returns the kernel pagetable entry controlling - * the virtual address 'address'. NULL means no pagetable entry present. - * NOTE: the return type is pte_t but if the pmd is PSE then we return it - * as a pte too. - */ -extern pte_t *lookup_address(unsigned long address, unsigned int *level); - /* local pte updates need not use xchg for locking */ static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep) { diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 72b020deb46..97612fc7632 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -1,6 +1,7 @@ #ifndef _ASM_X86_PGTABLE_32_H #define _ASM_X86_PGTABLE_32_H +#include <asm/pgtable_32_types.h> /* * The Linux memory management assumes a three-level page table setup. On @@ -33,47 +34,6 @@ void paging_init(void); extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); -/* - * The Linux x86 paging architecture is 'compile-time dual-mode', it - * implements both the traditional 2-level x86 page tables and the - * newer 3-level PAE-mode page tables. - */ -#ifdef CONFIG_X86_PAE -# include <asm/pgtable-3level-defs.h> -# define PMD_SIZE (1UL << PMD_SHIFT) -# define PMD_MASK (~(PMD_SIZE - 1)) -#else -# include <asm/pgtable-2level-defs.h> -#endif - -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE - 1)) - -/* Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8 * 1024 * 1024) -#define VMALLOC_START ((unsigned long)high_memory + VMALLOC_OFFSET) -#ifdef CONFIG_X86_PAE -#define LAST_PKMAP 512 -#else -#define LAST_PKMAP 1024 -#endif - -#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE * (LAST_PKMAP + 1)) \ - & PMD_MASK) - -#ifdef CONFIG_HIGHMEM -# define VMALLOC_END (PKMAP_BASE - 2 * PAGE_SIZE) -#else -# define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) -#endif - -#define MAXMEM (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE) /* * Define this if things work differently on an i386 and an i486: @@ -85,55 +45,12 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); /* The boot page tables (all created as a single array) */ extern unsigned long pg0[]; -#define pte_present(x) ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE)) - -/* To avoid harmful races, pmd_none(x) should check only the lower when PAE */ -#define pmd_none(x) (!(unsigned long)pmd_val((x))) -#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT) -#define pmd_bad(x) ((pmd_val(x) & (PTE_FLAGS_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) - -#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) - #ifdef CONFIG_X86_PAE # include <asm/pgtable-3level.h> #else # include <asm/pgtable-2level.h> #endif -/* - * Conversion functions: convert a page and protection to a page entry, - * and a page entry and page directory to the page they refer to. - */ -#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) - - -static inline int pud_large(pud_t pud) { return 0; } - -/* - * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] - * - * this macro returns the index of the entry in the pmd page which would - * control the given virtual address - */ -#define pmd_index(address) \ - (((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)) - -/* - * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] - * - * this macro returns the index of the entry in the pte page which would - * control the given virtual address - */ -#define pte_index(address) \ - (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) -#define pte_offset_kernel(dir, address) \ - ((pte_t *)pmd_page_vaddr(*(dir)) + pte_index((address))) - -#define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT)) - -#define pmd_page_vaddr(pmd) \ - ((unsigned long)__va(pmd_val((pmd)) & PTE_PFN_MASK)) - #if defined(CONFIG_HIGHPTE) #define pte_offset_map(dir, address) \ ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE0) + \ @@ -176,7 +93,4 @@ do { \ #define kern_addr_valid(kaddr) (0) #endif -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - #endif /* _ASM_X86_PGTABLE_32_H */ diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h new file mode 100644 index 00000000000..bd8df3b2fe0 --- /dev/null +++ b/arch/x86/include/asm/pgtable_32_types.h @@ -0,0 +1,46 @@ +#ifndef _ASM_X86_PGTABLE_32_DEFS_H +#define _ASM_X86_PGTABLE_32_DEFS_H + +/* + * The Linux x86 paging architecture is 'compile-time dual-mode', it + * implements both the traditional 2-level x86 page tables and the + * newer 3-level PAE-mode page tables. + */ +#ifdef CONFIG_X86_PAE +# include <asm/pgtable-3level_types.h> +# define PMD_SIZE (1UL << PMD_SHIFT) +# define PMD_MASK (~(PMD_SIZE - 1)) +#else +# include <asm/pgtable-2level_types.h> +#endif + +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE - 1)) + +/* Just any arbitrary offset to the start of the vmalloc VM area: the + * current 8MB value just means that there will be a 8MB "hole" after the + * physical memory until the kernel virtual memory starts. That means that + * any out-of-bounds memory accesses will hopefully be caught. + * The vmalloc() routines leaves a hole of 4kB between each vmalloced + * area for the same reason. ;) + */ +#define VMALLOC_OFFSET (8 * 1024 * 1024) +#define VMALLOC_START ((unsigned long)high_memory + VMALLOC_OFFSET) +#ifdef CONFIG_X86_PAE +#define LAST_PKMAP 512 +#else +#define LAST_PKMAP 1024 +#endif + +#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE * (LAST_PKMAP + 1)) \ + & PMD_MASK) + +#ifdef CONFIG_HIGHMEM +# define VMALLOC_END (PKMAP_BASE - 2 * PAGE_SIZE) +#else +# define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) +#endif + +#define MAXMEM (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE) + +#endif /* _ASM_X86_PGTABLE_32_DEFS_H */ diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 1df9637dfda..6b87bc6d501 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -2,6 +2,8 @@ #define _ASM_X86_PGTABLE_64_H #include <linux/const.h> +#include <asm/pgtable_64_types.h> + #ifndef __ASSEMBLY__ /* @@ -25,32 +27,6 @@ extern void paging_init(void); #endif /* !__ASSEMBLY__ */ -#define SHARED_KERNEL_PMD 0 - -/* - * PGDIR_SHIFT determines what a top-level page table entry can map - */ -#define PGDIR_SHIFT 39 -#define PTRS_PER_PGD 512 - -/* - * 3rd level page - */ -#define PUD_SHIFT 30 -#define PTRS_PER_PUD 512 - -/* - * PMD_SHIFT determines the size of the area a middle-level - * page table can map - */ -#define PMD_SHIFT 21 -#define PTRS_PER_PMD 512 - -/* - * entries per page directory level - */ -#define PTRS_PER_PTE 512 - #ifndef __ASSEMBLY__ #define pte_ERROR(e) \ @@ -66,9 +42,6 @@ extern void paging_init(void); printk("%s:%d: bad pgd %p(%016lx).\n", \ __FILE__, __LINE__, &(e), pgd_val(e)) -#define pgd_none(x) (!pgd_val(x)) -#define pud_none(x) (!pud_val(x)) - struct mm_struct; void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte); @@ -133,48 +106,6 @@ static inline void native_pgd_clear(pgd_t *pgd) native_set_pgd(pgd, native_make_pgd(0)); } -#define pte_same(a, b) ((a).pte == (b).pte) - -#endif /* !__ASSEMBLY__ */ - -#define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) -#define PMD_MASK (~(PMD_SIZE - 1)) -#define PUD_SIZE (_AC(1, UL) << PUD_SHIFT) -#define PUD_MASK (~(PUD_SIZE - 1)) -#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE - 1)) - - -#define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) -#define VMALLOC_START _AC(0xffffc20000000000, UL) -#define VMALLOC_END _AC(0xffffe1ffffffffff, UL) -#define VMEMMAP_START _AC(0xffffe20000000000, UL) -#define MODULES_VADDR _AC(0xffffffffa0000000, UL) -#define MODULES_END _AC(0xffffffffff000000, UL) -#define MODULES_LEN (MODULES_END - MODULES_VADDR) - -#ifndef __ASSEMBLY__ - -static inline int pgd_bad(pgd_t pgd) -{ - return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; -} - -static inline int pud_bad(pud_t pud) -{ - return (pud_val(pud) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; -} - -static inline int pmd_bad(pmd_t pmd) -{ - return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; -} - -#define pte_none(x) (!pte_val((x))) -#define pte_present(x) (pte_val((x)) & (_PAGE_PRESENT | _PAGE_PROTNONE)) - -#define pages_to_mb(x) ((x) >> (20 - PAGE_SHIFT)) /* FIXME: is this right? */ - /* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. @@ -183,41 +114,12 @@ static inline int pmd_bad(pmd_t pmd) /* * Level 4 access. */ -#define pgd_page_vaddr(pgd) \ - ((unsigned long)__va((unsigned long)pgd_val((pgd)) & PTE_PFN_MASK)) -#define pgd_page(pgd) (pfn_to_page(pgd_val((pgd)) >> PAGE_SHIFT)) -#define pgd_present(pgd) (pgd_val(pgd) & _PAGE_PRESENT) static inline int pgd_large(pgd_t pgd) { return 0; } #define mk_kernel_pgd(address) __pgd((address) | _KERNPG_TABLE) /* PUD - Level3 access */ -/* to find an entry in a page-table-directory. */ -#define pud_page_vaddr(pud) \ - ((unsigned long)__va(pud_val((pud)) & PHYSICAL_PAGE_MASK)) -#define pud_page(pud) (pfn_to_page(pud_val((pud)) >> PAGE_SHIFT)) -#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1)) -#define pud_offset(pgd, address) \ - ((pud_t *)pgd_page_vaddr(*(pgd)) + pud_index((address))) -#define pud_present(pud) (pud_val((pud)) & _PAGE_PRESENT) - -static inline int pud_large(pud_t pte) -{ - return (pud_val(pte) & (_PAGE_PSE | _PAGE_PRESENT)) == - (_PAGE_PSE | _PAGE_PRESENT); -} /* PMD - Level 2 access */ -#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val((pmd)) & PTE_PFN_MASK)) -#define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT)) - -#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)) -#define pmd_offset(dir, address) ((pmd_t *)pud_page_vaddr(*(dir)) + \ - pmd_index(address)) -#define pmd_none(x) (!pmd_val((x))) -#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT) -#define pfn_pmd(nr, prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val((prot)))) -#define pmd_pfn(x) ((pmd_val((x)) & __PHYSICAL_MASK) >> PAGE_SHIFT) - #define pte_to_pgoff(pte) ((pte_val((pte)) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT) #define pgoff_to_pte(off) ((pte_t) { .pte = ((off) << PAGE_SHIFT) | \ _PAGE_FILE }) @@ -225,13 +127,6 @@ static inline int pud_large(pud_t pte) /* PTE - Level 1 access. */ -/* page, protection -> pte */ -#define mk_pte(page, pgprot) pfn_pte(page_to_pfn((page)), (pgprot)) - -#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) -#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + \ - pte_index((address))) - /* x86-64 always has all page tables mapped. */ #define pte_offset_map(dir, address) pte_offset_kernel((dir), (address)) #define pte_offset_map_nested(dir, address) pte_offset_kernel((dir), (address)) @@ -265,9 +160,6 @@ extern int direct_gbpages; extern int kern_addr_valid(unsigned long addr); extern void cleanup_highmap(void); -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - #define HAVE_ARCH_UNMAPPED_AREA #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h new file mode 100644 index 00000000000..fbf42b8e038 --- /dev/null +++ b/arch/x86/include/asm/pgtable_64_types.h @@ -0,0 +1,63 @@ +#ifndef _ASM_X86_PGTABLE_64_DEFS_H +#define _ASM_X86_PGTABLE_64_DEFS_H + +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +/* + * These are used to make use of C type-checking.. + */ +typedef unsigned long pteval_t; +typedef unsigned long pmdval_t; +typedef unsigned long pudval_t; +typedef unsigned long pgdval_t; +typedef unsigned long pgprotval_t; + +typedef struct { pteval_t pte; } pte_t; + +#endif /* !__ASSEMBLY__ */ + +#define SHARED_KERNEL_PMD 0 +#define PAGETABLE_LEVELS 4 + +/* + * PGDIR_SHIFT determines what a top-level page table entry can map + */ +#define PGDIR_SHIFT 39 +#define PTRS_PER_PGD 512 + +/* + * 3rd level page + */ +#define PUD_SHIFT 30 +#define PTRS_PER_PUD 512 + +/* + * PMD_SHIFT determines the size of the area a middle-level + * page table can map + */ +#define PMD_SHIFT 21 +#define PTRS_PER_PMD 512 + +/* + * entries per page directory level + */ +#define PTRS_PER_PTE 512 + +#define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) +#define PMD_MASK (~(PMD_SIZE - 1)) +#define PUD_SIZE (_AC(1, UL) << PUD_SHIFT) +#define PUD_MASK (~(PUD_SIZE - 1)) +#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE - 1)) + + +#define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) +#define VMALLOC_START _AC(0xffffc20000000000, UL) +#define VMALLOC_END _AC(0xffffe1ffffffffff, UL) +#define VMEMMAP_START _AC(0xffffe20000000000, UL) +#define MODULES_VADDR _AC(0xffffffffa0000000, UL) +#define MODULES_END _AC(0xffffffffff000000, UL) +#define MODULES_LEN (MODULES_END - MODULES_VADDR) + +#endif /* _ASM_X86_PGTABLE_64_DEFS_H */ diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h new file mode 100644 index 00000000000..4d258ad76a0 --- /dev/null +++ b/arch/x86/include/asm/pgtable_types.h @@ -0,0 +1,328 @@ +#ifndef _ASM_X86_PGTABLE_DEFS_H +#define _ASM_X86_PGTABLE_DEFS_H + +#include <linux/const.h> +#include <asm/page_types.h> + +#define FIRST_USER_ADDRESS 0 + +#define _PAGE_BIT_PRESENT 0 /* is present */ +#define _PAGE_BIT_RW 1 /* writeable */ +#define _PAGE_BIT_USER 2 /* userspace addressable */ +#define _PAGE_BIT_PWT 3 /* page write through */ +#define _PAGE_BIT_PCD 4 /* page cache disabled */ +#define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */ +#define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */ +#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ +#define _PAGE_BIT_PAT 7 /* on 4KB pages */ +#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ +#define _PAGE_BIT_UNUSED1 9 /* available for programmer */ +#define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ +#define _PAGE_BIT_UNUSED3 11 +#define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ +#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 +#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 +#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ + +/* If _PAGE_BIT_PRESENT is clear, we use these: */ +/* - if the user mapped it with PROT_NONE; pte_present gives true */ +#define _PAGE_BIT_PROTNONE _PAGE_BIT_GLOBAL +/* - set: nonlinear file mapping, saved PTE; unset:swap */ +#define _PAGE_BIT_FILE _PAGE_BIT_DIRTY + +#define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) +#define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) +#define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) +#define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT) +#define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD) +#define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) +#define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) +#define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) +#define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) +#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) +#define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) +#define _PAGE_UNUSED3 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED3) +#define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) +#define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) +#define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) +#define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST) +#define __HAVE_ARCH_PTE_SPECIAL + +#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) +#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) +#else +#define _PAGE_NX (_AT(pteval_t, 0)) +#endif + +#define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE) +#define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) + +#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_DIRTY) +#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | \ + _PAGE_DIRTY) + +/* Set of bits not changed in pte_modify */ +#define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \ + _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY) + +#define _PAGE_CACHE_MASK (_PAGE_PCD | _PAGE_PWT) +#define _PAGE_CACHE_WB (0) +#define _PAGE_CACHE_WC (_PAGE_PWT) +#define _PAGE_CACHE_UC_MINUS (_PAGE_PCD) +#define _PAGE_CACHE_UC (_PAGE_PCD | _PAGE_PWT) + +#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) +#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_NX) + +#define PAGE_SHARED_EXEC __pgprot(_PAGE_PRESENT | _PAGE_RW | \ + _PAGE_USER | _PAGE_ACCESSED) +#define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_NX) +#define PAGE_COPY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ + _PAGE_ACCESSED) +#define PAGE_COPY PAGE_COPY_NOEXEC +#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_NX) +#define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ + _PAGE_ACCESSED) + +#define __PAGE_KERNEL_EXEC \ + (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) +#define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) + +#define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) +#define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) +#define __PAGE_KERNEL_EXEC_NOCACHE (__PAGE_KERNEL_EXEC | _PAGE_PCD | _PAGE_PWT) +#define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC) +#define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT) +#define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD) +#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) +#define __PAGE_KERNEL_VSYSCALL_NOCACHE (__PAGE_KERNEL_VSYSCALL | _PAGE_PCD | _PAGE_PWT) +#define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) +#define __PAGE_KERNEL_LARGE_NOCACHE (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE) +#define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) + +#define __PAGE_KERNEL_IO (__PAGE_KERNEL | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_NOCACHE (__PAGE_KERNEL_NOCACHE | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_UC_MINUS (__PAGE_KERNEL_UC_MINUS | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_WC (__PAGE_KERNEL_WC | _PAGE_IOMAP) + +#define PAGE_KERNEL __pgprot(__PAGE_KERNEL) +#define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) +#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) +#define PAGE_KERNEL_RX __pgprot(__PAGE_KERNEL_RX) +#define PAGE_KERNEL_WC __pgprot(__PAGE_KERNEL_WC) +#define PAGE_KERNEL_NOCACHE __pgprot(__PAGE_KERNEL_NOCACHE) +#define PAGE_KERNEL_UC_MINUS __pgprot(__PAGE_KERNEL_UC_MINUS) +#define PAGE_KERNEL_EXEC_NOCACHE __pgprot(__PAGE_KERNEL_EXEC_NOCACHE) +#define PAGE_KERNEL_LARGE __pgprot(__PAGE_KERNEL_LARGE) +#define PAGE_KERNEL_LARGE_NOCACHE __pgprot(__PAGE_KERNEL_LARGE_NOCACHE) +#define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC) +#define PAGE_KERNEL_VSYSCALL __pgprot(__PAGE_KERNEL_VSYSCALL) +#define PAGE_KERNEL_VSYSCALL_NOCACHE __pgprot(__PAGE_KERNEL_VSYSCALL_NOCACHE) + +#define PAGE_KERNEL_IO __pgprot(__PAGE_KERNEL_IO) +#define PAGE_KERNEL_IO_NOCACHE __pgprot(__PAGE_KERNEL_IO_NOCACHE) +#define PAGE_KERNEL_IO_UC_MINUS __pgprot(__PAGE_KERNEL_IO_UC_MINUS) +#define PAGE_KERNEL_IO_WC __pgprot(__PAGE_KERNEL_IO_WC) + +/* xwr */ +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY +#define __P100 PAGE_READONLY_EXEC +#define __P101 PAGE_READONLY_EXEC +#define __P110 PAGE_COPY_EXEC +#define __P111 PAGE_COPY_EXEC + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED +#define __S100 PAGE_READONLY_EXEC +#define __S101 PAGE_READONLY_EXEC +#define __S110 PAGE_SHARED_EXEC +#define __S111 PAGE_SHARED_EXEC + +/* + * early identity mapping pte attrib macros. + */ +#ifdef CONFIG_X86_64 +#define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC +#else +/* + * For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection + * bits are combined, this will alow user to access the high address mapped + * VDSO in the presence of CONFIG_COMPAT_VDSO + */ +#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ +#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ +#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ +#endif + +#ifdef CONFIG_X86_32 +# include "pgtable_32_types.h" +#else +# include "pgtable_64_types.h" +#endif + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> + +/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */ +#define PTE_PFN_MASK ((pteval_t)PHYSICAL_PAGE_MASK) + +/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */ +#define PTE_FLAGS_MASK (~PTE_PFN_MASK) + +typedef struct pgprot { pgprotval_t pgprot; } pgprot_t; + +typedef struct { pgdval_t pgd; } pgd_t; + +static inline pgd_t native_make_pgd(pgdval_t val) +{ + return (pgd_t) { val }; +} + +static inline pgdval_t native_pgd_val(pgd_t pgd) +{ + return pgd.pgd; +} + +static inline pgdval_t pgd_flags(pgd_t pgd) +{ + return native_pgd_val(pgd) & PTE_FLAGS_MASK; +} + +#if PAGETABLE_LEVELS > 3 +typedef struct { pudval_t pud; } pud_t; + +static inline pud_t native_make_pud(pmdval_t val) +{ + return (pud_t) { val }; +} + +static inline pudval_t native_pud_val(pud_t pud) +{ + return pud.pud; +} +#else +#include <asm-generic/pgtable-nopud.h> + +static inline pudval_t native_pud_val(pud_t pud) +{ + return native_pgd_val(pud.pgd); +} +#endif + +#if PAGETABLE_LEVELS > 2 +typedef struct { pmdval_t pmd; } pmd_t; + +static inline pmd_t native_make_pmd(pmdval_t val) +{ + return (pmd_t) { val }; +} + +static inline pmdval_t native_pmd_val(pmd_t pmd) +{ + return pmd.pmd; +} +#else +#include <asm-generic/pgtable-nopmd.h> + +static inline pmdval_t native_pmd_val(pmd_t pmd) +{ + return native_pgd_val(pmd.pud.pgd); +} +#endif + +static inline pudval_t pud_flags(pud_t pud) +{ + return native_pud_val(pud) & PTE_FLAGS_MASK; +} + +static inline pmdval_t pmd_flags(pmd_t pmd) +{ + return native_pmd_val(pmd) & PTE_FLAGS_MASK; +} + +static inline pte_t native_make_pte(pteval_t val) +{ + return (pte_t) { .pte = val }; +} + +static inline pteval_t native_pte_val(pte_t pte) +{ + return pte.pte; +} + +static inline pteval_t pte_flags(pte_t pte) +{ + return native_pte_val(pte) & PTE_FLAGS_MASK; +} + +#define pgprot_val(x) ((x).pgprot) +#define __pgprot(x) ((pgprot_t) { (x) } ) + + +typedef struct page *pgtable_t; + +extern pteval_t __supported_pte_mask; +extern int nx_enabled; + +#define pgprot_writecombine pgprot_writecombine +extern pgprot_t pgprot_writecombine(pgprot_t prot); + +/* Indicate that x86 has its own track and untrack pfn vma functions */ +#define __HAVE_PFNMAP_TRACKING + +#define __HAVE_PHYS_MEM_ACCESS_PROT +struct file; +pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot); +int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t *vma_prot); + +/* Install a pte for a particular vaddr in kernel space. */ +void set_pte_vaddr(unsigned long vaddr, pte_t pte); + +#ifdef CONFIG_X86_32 +extern void native_pagetable_setup_start(pgd_t *base); +extern void native_pagetable_setup_done(pgd_t *base); +#else +static inline void native_pagetable_setup_start(pgd_t *base) {} +static inline void native_pagetable_setup_done(pgd_t *base) {} +#endif + +struct seq_file; +extern void arch_report_meminfo(struct seq_file *m); + +enum { + PG_LEVEL_NONE, + PG_LEVEL_4K, + PG_LEVEL_2M, + PG_LEVEL_1G, + PG_LEVEL_NUM +}; + +#ifdef CONFIG_PROC_FS +extern void update_page_count(int level, unsigned long pages); +#else +static inline void update_page_count(int level, unsigned long pages) { } +#endif + +/* + * Helper function that returns the kernel pagetable entry controlling + * the virtual address 'address'. NULL means no pagetable entry present. + * NOTE: the return type is pte_t but if the pmd is PSE then we return it + * as a pte too. + */ +extern pte_t *lookup_address(unsigned long address, unsigned int *level); + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_X86_PGTABLE_DEFS_H */ diff --git a/arch/x86/include/asm/prctl.h b/arch/x86/include/asm/prctl.h index a8894647dd9..3ac5032fae0 100644 --- a/arch/x86/include/asm/prctl.h +++ b/arch/x86/include/asm/prctl.h @@ -6,8 +6,4 @@ #define ARCH_GET_FS 0x1003 #define ARCH_GET_GS 0x1004 -#ifdef CONFIG_X86_64 -extern long sys_arch_prctl(int, unsigned long); -#endif /* CONFIG_X86_64 */ - #endif /* _ASM_X86_PRCTL_H */ diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 5a947210425..c7a98f73821 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -16,6 +16,7 @@ struct mm_struct; #include <asm/cpufeature.h> #include <asm/system.h> #include <asm/page.h> +#include <asm/pgtable_types.h> #include <asm/percpu.h> #include <asm/msr.h> #include <asm/desc_defs.h> @@ -73,7 +74,7 @@ struct cpuinfo_x86 { char pad0; #else /* Number of 4K pages in DTLB/ITLB combined(in pages): */ - int x86_tlbsize; + int x86_tlbsize; __u8 x86_virt_bits; __u8 x86_phys_bits; #endif @@ -402,7 +403,6 @@ DECLARE_PER_CPU(unsigned long, stack_canary); #endif #endif /* X86_64 */ -extern void print_cpu_info(struct cpuinfo_x86 *); extern unsigned int xstate_size; extern void free_thread_xstate(struct task_struct *); extern struct kmem_cache *task_xstate_cachep; @@ -861,6 +861,7 @@ static inline void spin_lock_prefetch(const void *x) * User space process size: 3GB (default). */ #define TASK_SIZE PAGE_OFFSET +#define TASK_SIZE_MAX TASK_SIZE #define STACK_TOP TASK_SIZE #define STACK_TOP_MAX STACK_TOP @@ -920,7 +921,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); /* * User space process size. 47bits minus one guard page. */ -#define TASK_SIZE64 ((1UL << 47) - PAGE_SIZE) +#define TASK_SIZE_MAX ((1UL << 47) - PAGE_SIZE) /* This decides where the kernel will search for a free chunk of vm * space during mmap's. @@ -929,12 +930,12 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); 0xc0000000 : 0xFFFFe000) #define TASK_SIZE (test_thread_flag(TIF_IA32) ? \ - IA32_PAGE_OFFSET : TASK_SIZE64) + IA32_PAGE_OFFSET : TASK_SIZE_MAX) #define TASK_SIZE_OF(child) ((test_tsk_thread_flag(child, TIF_IA32)) ? \ - IA32_PAGE_OFFSET : TASK_SIZE64) + IA32_PAGE_OFFSET : TASK_SIZE_MAX) #define STACK_TOP TASK_SIZE -#define STACK_TOP_MAX TASK_SIZE64 +#define STACK_TOP_MAX TASK_SIZE_MAX #define INIT_THREAD { \ .sp0 = (unsigned long)&init_stack + sizeof(init_stack) \ diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h index d6a22f92ba7..49fb3ecf3bb 100644 --- a/arch/x86/include/asm/proto.h +++ b/arch/x86/include/asm/proto.h @@ -18,11 +18,7 @@ extern void syscall32_cpu_init(void); extern void check_efer(void); -#ifdef CONFIG_X86_BIOS_REBOOT extern int reboot_force; -#else -static const int reboot_force = 0; -#endif long do_arch_prctl(struct task_struct *task, int code, unsigned long addr); diff --git a/arch/x86/include/asm/mach-rdc321x/rdc321x_defs.h b/arch/x86/include/asm/rdc321x_defs.h index c8e9c8bed3d..c8e9c8bed3d 100644 --- a/arch/x86/include/asm/mach-rdc321x/rdc321x_defs.h +++ b/arch/x86/include/asm/rdc321x_defs.h diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index 536949749bc..66801cb72f6 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h @@ -1,33 +1,19 @@ #ifndef _ASM_X86_SETUP_H #define _ASM_X86_SETUP_H +#ifdef __KERNEL__ + #define COMMAND_LINE_SIZE 2048 #ifndef __ASSEMBLY__ -/* Interrupt control for vSMPowered x86_64 systems */ -void vsmp_init(void); - - -void setup_bios_corruption_check(void); - - -#ifdef CONFIG_X86_VISWS -extern void visws_early_detect(void); -extern int is_visws_box(void); -#else -static inline void visws_early_detect(void) { } -static inline int is_visws_box(void) { return 0; } -#endif - -extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); -extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip); /* * Any setup quirks to be performed? */ struct mpc_cpu; struct mpc_bus; struct mpc_oemtable; + struct x86_quirks { int (*arch_pre_time_init)(void); int (*arch_time_init)(void); @@ -43,20 +29,20 @@ struct x86_quirks { void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name); void (*mpc_oem_pci_bus)(struct mpc_bus *m); void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable, - unsigned short oemsize); + unsigned short oemsize); int (*setup_ioapic_ids)(void); - int (*update_genapic)(void); + int (*update_apic)(void); }; -extern struct x86_quirks *x86_quirks; -extern unsigned long saved_video_mode; +extern void x86_quirk_pre_intr_init(void); +extern void x86_quirk_intr_init(void); -#ifndef CONFIG_PARAVIRT -#define paravirt_post_allocator_init() do {} while (0) -#endif -#endif /* __ASSEMBLY__ */ +extern void x86_quirk_trap_init(void); -#ifdef __KERNEL__ +extern void x86_quirk_pre_time_init(void); +extern void x86_quirk_time_init(void); + +#endif /* __ASSEMBLY__ */ #ifdef __i386__ @@ -78,6 +64,28 @@ extern unsigned long saved_video_mode; #ifndef __ASSEMBLY__ #include <asm/bootparam.h> +/* Interrupt control for vSMPowered x86_64 systems */ +void vsmp_init(void); + +void setup_bios_corruption_check(void); + +#ifdef CONFIG_X86_VISWS +extern void visws_early_detect(void); +extern int is_visws_box(void); +#else +static inline void visws_early_detect(void) { } +static inline int is_visws_box(void) { return 0; } +#endif + +extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); +extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip); +extern struct x86_quirks *x86_quirks; +extern unsigned long saved_video_mode; + +#ifndef CONFIG_PARAVIRT +#define paravirt_post_allocator_init() do {} while (0) +#endif + #ifndef _SETUP /* diff --git a/arch/x86/include/asm/mach-default/setup_arch.h b/arch/x86/include/asm/setup_arch.h index 38846208b54..38846208b54 100644 --- a/arch/x86/include/asm/mach-default/setup_arch.h +++ b/arch/x86/include/asm/setup_arch.h diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 45ef8a1b9d7..47d0e21f2b9 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -182,28 +182,9 @@ static inline int logical_smp_processor_id(void) return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); } -#include <mach_apicdef.h> -static inline unsigned int read_apic_id(void) -{ - unsigned int reg; - - reg = *(u32 *)(APIC_BASE + APIC_ID); - - return GET_APIC_ID(reg); -} #endif - -# if defined(APIC_DEFINITION) || defined(CONFIG_X86_64) extern int hard_smp_processor_id(void); -# else -#include <mach_apicdef.h> -static inline int hard_smp_processor_id(void) -{ - /* we don't want to mark this access volatile - bad code generation */ - return read_apic_id(); -} -# endif /* APIC_DEFINITION */ #else /* CONFIG_X86_LOCAL_APIC */ diff --git a/arch/x86/include/asm/mach-default/smpboot_hooks.h b/arch/x86/include/asm/smpboot_hooks.h index 23bf52103b8..1def6011490 100644 --- a/arch/x86/include/asm/mach-default/smpboot_hooks.h +++ b/arch/x86/include/asm/smpboot_hooks.h @@ -13,10 +13,10 @@ static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip) CMOS_WRITE(0xa, 0xf); local_flush_tlb(); pr_debug("1.\n"); - *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_HIGH)) = + *((volatile unsigned short *)phys_to_virt(apic->trampoline_phys_high)) = start_eip >> 4; pr_debug("2.\n"); - *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = + *((volatile unsigned short *)phys_to_virt(apic->trampoline_phys_low)) = start_eip & 0xf; pr_debug("3.\n"); } @@ -34,7 +34,7 @@ static inline void smpboot_restore_warm_reset_vector(void) */ CMOS_WRITE(0, 0xf); - *((volatile long *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = 0; + *((volatile long *)phys_to_virt(apic->trampoline_phys_low)) = 0; } static inline void __init smpboot_setup_io_apic(void) diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index 2bd6b111a41..3a569665668 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h @@ -183,6 +183,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock) { return __ticket_spin_is_contended(lock); } +#define __raw_spin_is_contended __raw_spin_is_contended static __always_inline void __raw_spin_lock(raw_spinlock_t *lock) { @@ -267,8 +268,7 @@ static inline int __raw_read_trylock(raw_rwlock_t *lock) { atomic_t *count = (atomic_t *)lock; - atomic_dec(count); - if (atomic_read(count) >= 0) + if (atomic_dec_return(count) >= 0) return 1; atomic_inc(count); return 0; diff --git a/arch/x86/include/asm/summit/apic.h b/arch/x86/include/asm/summit/apic.h deleted file mode 100644 index 93d2c8667cf..00000000000 --- a/arch/x86/include/asm/summit/apic.h +++ /dev/null @@ -1,202 +0,0 @@ -#ifndef __ASM_SUMMIT_APIC_H -#define __ASM_SUMMIT_APIC_H - -#include <asm/smp.h> -#include <linux/gfp.h> - -#define esr_disable (1) -#define NO_BALANCE_IRQ (0) - -/* In clustered mode, the high nibble of APIC ID is a cluster number. - * The low nibble is a 4-bit bitmap. */ -#define XAPIC_DEST_CPUS_SHIFT 4 -#define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1) -#define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT) - -#define APIC_DFR_VALUE (APIC_DFR_CLUSTER) - -static inline const cpumask_t *target_cpus(void) -{ - /* CPU_MASK_ALL (0xff) has undefined behaviour with - * dest_LowestPrio mode logical clustered apic interrupt routing - * Just start on cpu 0. IRQ balancing will spread load - */ - return &cpumask_of_cpu(0); -} - -#define INT_DELIVERY_MODE (dest_LowestPrio) -#define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ - -static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) -{ - return 0; -} - -/* we don't use the phys_cpu_present_map to indicate apicid presence */ -static inline unsigned long check_apicid_present(int bit) -{ - return 1; -} - -#define apicid_cluster(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK) - -extern u8 cpu_2_logical_apicid[]; - -static inline void init_apic_ldr(void) -{ - unsigned long val, id; - int count = 0; - u8 my_id = (u8)hard_smp_processor_id(); - u8 my_cluster = (u8)apicid_cluster(my_id); -#ifdef CONFIG_SMP - u8 lid; - int i; - - /* Create logical APIC IDs by counting CPUs already in cluster. */ - for (count = 0, i = nr_cpu_ids; --i >= 0; ) { - lid = cpu_2_logical_apicid[i]; - if (lid != BAD_APICID && apicid_cluster(lid) == my_cluster) - ++count; - } -#endif - /* We only have a 4 wide bitmap in cluster mode. If a deranged - * BIOS puts 5 CPUs in one APIC cluster, we're hosed. */ - BUG_ON(count >= XAPIC_DEST_CPUS_SHIFT); - id = my_cluster | (1UL << count); - apic_write(APIC_DFR, APIC_DFR_VALUE); - val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; - val |= SET_APIC_LOGICAL_ID(id); - apic_write(APIC_LDR, val); -} - -static inline int multi_timer_check(int apic, int irq) -{ - return 0; -} - -static inline int apic_id_registered(void) -{ - return 1; -} - -static inline void setup_apic_routing(void) -{ - printk("Enabling APIC mode: Summit. Using %d I/O APICs\n", - nr_ioapics); -} - -static inline int apicid_to_node(int logical_apicid) -{ -#ifdef CONFIG_SMP - return apicid_2_node[hard_smp_processor_id()]; -#else - return 0; -#endif -} - -/* Mapping from cpu number to logical apicid */ -static inline int cpu_to_logical_apicid(int cpu) -{ -#ifdef CONFIG_SMP - if (cpu >= nr_cpu_ids) - return BAD_APICID; - return (int)cpu_2_logical_apicid[cpu]; -#else - return logical_smp_processor_id(); -#endif -} - -static inline int cpu_present_to_apicid(int mps_cpu) -{ - if (mps_cpu < nr_cpu_ids) - return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); - else - return BAD_APICID; -} - -static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_id_map) -{ - /* For clustered we don't have a good way to do this yet - hack */ - return physids_promote(0x0F); -} - -static inline physid_mask_t apicid_to_cpu_present(int apicid) -{ - return physid_mask_of_physid(0); -} - -static inline void setup_portio_remap(void) -{ -} - -static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) -{ - return 1; -} - -static inline void enable_apic_mode(void) -{ -} - -static inline unsigned int cpu_mask_to_apicid(const cpumask_t *cpumask) -{ - int num_bits_set; - int cpus_found = 0; - int cpu; - int apicid; - - num_bits_set = cpus_weight(*cpumask); - /* Return id to all */ - if (num_bits_set >= nr_cpu_ids) - return (int) 0xFF; - /* - * The cpus in the mask must all be on the apic cluster. If are not - * on the same apicid cluster return default value of TARGET_CPUS. - */ - cpu = first_cpu(*cpumask); - apicid = cpu_to_logical_apicid(cpu); - while (cpus_found < num_bits_set) { - if (cpu_isset(cpu, *cpumask)) { - int new_apicid = cpu_to_logical_apicid(cpu); - if (apicid_cluster(apicid) != - apicid_cluster(new_apicid)){ - printk ("%s: Not a valid mask!\n", __func__); - return 0xFF; - } - apicid = apicid | new_apicid; - cpus_found++; - } - cpu++; - } - return apicid; -} - -static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *inmask, - const struct cpumask *andmask) -{ - int apicid = cpu_to_logical_apicid(0); - cpumask_var_t cpumask; - - if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC)) - return apicid; - - cpumask_and(cpumask, inmask, andmask); - cpumask_and(cpumask, cpumask, cpu_online_mask); - apicid = cpu_mask_to_apicid(cpumask); - - free_cpumask_var(cpumask); - return apicid; -} - -/* cpuid returns the value latched in the HW at reset, not the APIC ID - * register's value. For any box whose BIOS changes APIC IDs, like - * clustered APIC systems, we must use hard_smp_processor_id. - * - * See Intel's IA-32 SW Dev's Manual Vol2 under CPUID. - */ -static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) -{ - return hard_smp_processor_id() >> index_msb; -} - -#endif /* __ASM_SUMMIT_APIC_H */ diff --git a/arch/x86/include/asm/summit/apicdef.h b/arch/x86/include/asm/summit/apicdef.h deleted file mode 100644 index f3fbca1f61c..00000000000 --- a/arch/x86/include/asm/summit/apicdef.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef __ASM_SUMMIT_APICDEF_H -#define __ASM_SUMMIT_APICDEF_H - -#define APIC_ID_MASK (0xFF<<24) - -static inline unsigned get_apic_id(unsigned long x) -{ - return (x>>24)&0xFF; -} - -#define GET_APIC_ID(x) get_apic_id(x) - -#endif diff --git a/arch/x86/include/asm/summit/ipi.h b/arch/x86/include/asm/summit/ipi.h deleted file mode 100644 index a8a2c24f50c..00000000000 --- a/arch/x86/include/asm/summit/ipi.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef __ASM_SUMMIT_IPI_H -#define __ASM_SUMMIT_IPI_H - -void send_IPI_mask_sequence(const cpumask_t *mask, int vector); -void send_IPI_mask_allbutself(const cpumask_t *mask, int vector); - -static inline void send_IPI_mask(const cpumask_t *mask, int vector) -{ - send_IPI_mask_sequence(mask, vector); -} - -static inline void send_IPI_allbutself(int vector) -{ - cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); - - if (!cpus_empty(mask)) - send_IPI_mask(&mask, vector); -} - -static inline void send_IPI_all(int vector) -{ - send_IPI_mask(&cpu_online_map, vector); -} - -#endif /* __ASM_SUMMIT_IPI_H */ diff --git a/arch/x86/include/asm/summit/mpparse.h b/arch/x86/include/asm/summit/mpparse.h deleted file mode 100644 index 380e86c0236..00000000000 --- a/arch/x86/include/asm/summit/mpparse.h +++ /dev/null @@ -1,109 +0,0 @@ -#ifndef __ASM_SUMMIT_MPPARSE_H -#define __ASM_SUMMIT_MPPARSE_H - -#include <asm/tsc.h> - -extern int use_cyclone; - -#ifdef CONFIG_X86_SUMMIT_NUMA -extern void setup_summit(void); -#else -#define setup_summit() {} -#endif - -static inline int mps_oem_check(struct mpc_table *mpc, char *oem, - char *productid) -{ - if (!strncmp(oem, "IBM ENSW", 8) && - (!strncmp(productid, "VIGIL SMP", 9) - || !strncmp(productid, "EXA", 3) - || !strncmp(productid, "RUTHLESS SMP", 12))){ - mark_tsc_unstable("Summit based system"); - use_cyclone = 1; /*enable cyclone-timer*/ - setup_summit(); - return 1; - } - return 0; -} - -/* Hook from generic ACPI tables.c */ -static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) -{ - if (!strncmp(oem_id, "IBM", 3) && - (!strncmp(oem_table_id, "SERVIGIL", 8) - || !strncmp(oem_table_id, "EXA", 3))){ - mark_tsc_unstable("Summit based system"); - use_cyclone = 1; /*enable cyclone-timer*/ - setup_summit(); - return 1; - } - return 0; -} - -struct rio_table_hdr { - unsigned char version; /* Version number of this data structure */ - /* Version 3 adds chassis_num & WP_index */ - unsigned char num_scal_dev; /* # of Scalability devices (Twisters for Vigil) */ - unsigned char num_rio_dev; /* # of RIO I/O devices (Cyclones and Winnipegs) */ -} __attribute__((packed)); - -struct scal_detail { - unsigned char node_id; /* Scalability Node ID */ - unsigned long CBAR; /* Address of 1MB register space */ - unsigned char port0node; /* Node ID port connected to: 0xFF=None */ - unsigned char port0port; /* Port num port connected to: 0,1,2, or 0xFF=None */ - unsigned char port1node; /* Node ID port connected to: 0xFF = None */ - unsigned char port1port; /* Port num port connected to: 0,1,2, or 0xFF=None */ - unsigned char port2node; /* Node ID port connected to: 0xFF = None */ - unsigned char port2port; /* Port num port connected to: 0,1,2, or 0xFF=None */ - unsigned char chassis_num; /* 1 based Chassis number (1 = boot node) */ -} __attribute__((packed)); - -struct rio_detail { - unsigned char node_id; /* RIO Node ID */ - unsigned long BBAR; /* Address of 1MB register space */ - unsigned char type; /* Type of device */ - unsigned char owner_id; /* For WPEG: Node ID of Cyclone that owns this WPEG*/ - /* For CYC: Node ID of Twister that owns this CYC */ - unsigned char port0node; /* Node ID port connected to: 0xFF=None */ - unsigned char port0port; /* Port num port connected to: 0,1,2, or 0xFF=None */ - unsigned char port1node; /* Node ID port connected to: 0xFF=None */ - unsigned char port1port; /* Port num port connected to: 0,1,2, or 0xFF=None */ - unsigned char first_slot; /* For WPEG: Lowest slot number below this WPEG */ - /* For CYC: 0 */ - unsigned char status; /* For WPEG: Bit 0 = 1 : the XAPIC is used */ - /* = 0 : the XAPIC is not used, ie:*/ - /* ints fwded to another XAPIC */ - /* Bits1:7 Reserved */ - /* For CYC: Bits0:7 Reserved */ - unsigned char WP_index; /* For WPEG: WPEG instance index - lower ones have */ - /* lower slot numbers/PCI bus numbers */ - /* For CYC: No meaning */ - unsigned char chassis_num; /* 1 based Chassis number */ - /* For LookOut WPEGs this field indicates the */ - /* Expansion Chassis #, enumerated from Boot */ - /* Node WPEG external port, then Boot Node CYC */ - /* external port, then Next Vigil chassis WPEG */ - /* external port, etc. */ - /* Shared Lookouts have only 1 chassis number (the */ - /* first one assigned) */ -} __attribute__((packed)); - - -typedef enum { - CompatTwister = 0, /* Compatibility Twister */ - AltTwister = 1, /* Alternate Twister of internal 8-way */ - CompatCyclone = 2, /* Compatibility Cyclone */ - AltCyclone = 3, /* Alternate Cyclone of internal 8-way */ - CompatWPEG = 4, /* Compatibility WPEG */ - AltWPEG = 5, /* Second Planar WPEG */ - LookOutAWPEG = 6, /* LookOut WPEG */ - LookOutBWPEG = 7, /* LookOut WPEG */ -} node_type; - -static inline int is_WPEG(struct rio_detail *rio){ - return (rio->type == CompatWPEG || rio->type == AltWPEG || - rio->type == LookOutAWPEG || rio->type == LookOutBWPEG); -} - -#endif /* __ASM_SUMMIT_MPPARSE_H */ diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 68b1be10cfa..7043408f690 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -74,6 +74,7 @@ asmlinkage long sys_vfork(struct pt_regs *); asmlinkage long sys_execve(char __user *, char __user * __user *, char __user * __user *, struct pt_regs *); +long sys_arch_prctl(int, unsigned long); /* kernel/ioport.c */ asmlinkage long sys_iopl(unsigned int, struct pt_regs *); @@ -81,7 +82,7 @@ asmlinkage long sys_iopl(unsigned int, struct pt_regs *); /* kernel/signal_64.c */ asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *, struct pt_regs *); -asmlinkage long sys_rt_sigreturn(struct pt_regs *); +long sys_rt_sigreturn(struct pt_regs *); /* kernel/sys_x86_64.c */ asmlinkage long sys_mmap(unsigned long, unsigned long, unsigned long, diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index 7a80f72bec4..c00bfdbdd45 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h @@ -130,16 +130,16 @@ do { \ "movq "__percpu_arg([current_task])",%%rsi\n\t" \ __switch_canary \ "movq %P[thread_info](%%rsi),%%r8\n\t" \ - LOCK_PREFIX "btr %[tif_fork],%P[ti_flags](%%r8)\n\t" \ "movq %%rax,%%rdi\n\t" \ - "jc ret_from_fork\n\t" \ + "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \ + "jnz ret_from_fork\n\t" \ RESTORE_CONTEXT \ : "=a" (last) \ __switch_canary_oparam \ : [next] "S" (next), [prev] "D" (prev), \ [threadrsp] "i" (offsetof(struct task_struct, thread.sp)), \ [ti_flags] "i" (offsetof(struct thread_info, flags)), \ - [tif_fork] "i" (TIF_FORK), \ + [_tif_fork] "i" (_TIF_FORK), \ [thread_info] "i" (offsetof(struct task_struct, stack)), \ [current_task] "m" (per_cpu_var(current_task)) \ __switch_canary_iparam \ diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h index 2bb6a835c45..a81195eaa2b 100644 --- a/arch/x86/include/asm/timer.h +++ b/arch/x86/include/asm/timer.h @@ -3,6 +3,7 @@ #include <linux/init.h> #include <linux/pm.h> #include <linux/percpu.h> +#include <linux/interrupt.h> #define TICK_SIZE (tick_nsec / 1000) @@ -12,6 +13,7 @@ unsigned long native_calibrate_tsc(void); #ifdef CONFIG_X86_32 extern int timer_ack; extern int recalibrate_cpu_khz(void); +extern irqreturn_t timer_interrupt(int irq, void *dev_id); #endif /* CONFIG_X86_32 */ extern int no_timer_check; diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index 84210c479fc..987a2c10fe2 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -192,14 +192,26 @@ static inline int __copy_from_user_nocache(void *dst, const void __user *src, unsigned size) { might_sleep(); - return __copy_user_nocache(dst, src, size, 1); + /* + * In practice this limit means that large file write()s + * which get chunked to 4K copies get handled via + * non-temporal stores here. Smaller writes get handled + * via regular __copy_from_user(): + */ + if (likely(size >= PAGE_SIZE)) + return __copy_user_nocache(dst, src, size, 1); + else + return __copy_from_user(dst, src, size); } static inline int __copy_from_user_inatomic_nocache(void *dst, const void __user *src, unsigned size) { - return __copy_user_nocache(dst, src, size, 0); + if (likely(size >= PAGE_SIZE)) + return __copy_user_nocache(dst, src, size, 0); + else + return __copy_from_user_inatomic(dst, src, size); } unsigned long diff --git a/arch/x86/include/asm/vic.h b/arch/x86/include/asm/vic.h deleted file mode 100644 index 53100f35361..00000000000 --- a/arch/x86/include/asm/vic.h +++ /dev/null @@ -1,61 +0,0 @@ -/* Copyright (C) 1999,2001 - * - * Author: J.E.J.Bottomley@HansenPartnership.com - * - * Standard include definitions for the NCR Voyager Interrupt Controller */ - -/* The eight CPI vectors. To activate a CPI, you write a bit mask - * corresponding to the processor set to be interrupted into the - * relevant register. That set of CPUs will then be interrupted with - * the CPI */ -static const int VIC_CPI_Registers[] = - {0xFC00, 0xFC01, 0xFC08, 0xFC09, - 0xFC10, 0xFC11, 0xFC18, 0xFC19 }; - -#define VIC_PROC_WHO_AM_I 0xfc29 -# define QUAD_IDENTIFIER 0xC0 -# define EIGHT_SLOT_IDENTIFIER 0xE0 -#define QIC_EXTENDED_PROCESSOR_SELECT 0xFC72 -#define VIC_CPI_BASE_REGISTER 0xFC41 -#define VIC_PROCESSOR_ID 0xFC21 -# define VIC_CPU_MASQUERADE_ENABLE 0x8 - -#define VIC_CLAIM_REGISTER_0 0xFC38 -#define VIC_CLAIM_REGISTER_1 0xFC39 -#define VIC_REDIRECT_REGISTER_0 0xFC60 -#define VIC_REDIRECT_REGISTER_1 0xFC61 -#define VIC_PRIORITY_REGISTER 0xFC20 - -#define VIC_PRIMARY_MC_BASE 0xFC48 -#define VIC_SECONDARY_MC_BASE 0xFC49 - -#define QIC_PROCESSOR_ID 0xFC71 -# define QIC_CPUID_ENABLE 0x08 - -#define QIC_VIC_CPI_BASE_REGISTER 0xFC79 -#define QIC_CPI_BASE_REGISTER 0xFC7A - -#define QIC_MASK_REGISTER0 0xFC80 -/* NOTE: these are masked high, enabled low */ -# define QIC_PERF_TIMER 0x01 -# define QIC_LPE 0x02 -# define QIC_SYS_INT 0x04 -# define QIC_CMN_INT 0x08 -/* at the moment, just enable CMN_INT, disable SYS_INT */ -# define QIC_DEFAULT_MASK0 (~(QIC_CMN_INT /* | VIC_SYS_INT */)) -#define QIC_MASK_REGISTER1 0xFC81 -# define QIC_BOOT_CPI_MASK 0xFE -/* Enable CPI's 1-6 inclusive */ -# define QIC_CPI_ENABLE 0x81 - -#define QIC_INTERRUPT_CLEAR0 0xFC8A -#define QIC_INTERRUPT_CLEAR1 0xFC8B - -/* this is where we place the CPI vectors */ -#define VIC_DEFAULT_CPI_BASE 0xC0 -/* this is where we place the QIC CPI vectors */ -#define QIC_DEFAULT_CPI_BASE 0xD0 - -#define VIC_BOOT_INTERRUPT_MASK 0xfe - -extern void smp_vic_timer_interrupt(void); diff --git a/arch/x86/include/asm/voyager.h b/arch/x86/include/asm/voyager.h deleted file mode 100644 index b3e64730762..00000000000 --- a/arch/x86/include/asm/voyager.h +++ /dev/null @@ -1,529 +0,0 @@ -/* Copyright (C) 1999,2001 - * - * Author: J.E.J.Bottomley@HansenPartnership.com - * - * Standard include definitions for the NCR Voyager system */ - -#undef VOYAGER_DEBUG -#undef VOYAGER_CAT_DEBUG - -#ifdef VOYAGER_DEBUG -#define VDEBUG(x) printk x -#else -#define VDEBUG(x) -#endif - -/* There are three levels of voyager machine: 3,4 and 5. The rule is - * if it's less than 3435 it's a Level 3 except for a 3360 which is - * a level 4. A 3435 or above is a Level 5 */ -#define VOYAGER_LEVEL5_AND_ABOVE 0x3435 -#define VOYAGER_LEVEL4 0x3360 - -/* The L4 DINO ASIC */ -#define VOYAGER_DINO 0x43 - -/* voyager ports in standard I/O space */ -#define VOYAGER_MC_SETUP 0x96 - - -#define VOYAGER_CAT_CONFIG_PORT 0x97 -# define VOYAGER_CAT_DESELECT 0xff -#define VOYAGER_SSPB_RELOCATION_PORT 0x98 - -/* Valid CAT controller commands */ -/* start instruction register cycle */ -#define VOYAGER_CAT_IRCYC 0x01 -/* start data register cycle */ -#define VOYAGER_CAT_DRCYC 0x02 -/* move to execute state */ -#define VOYAGER_CAT_RUN 0x0F -/* end operation */ -#define VOYAGER_CAT_END 0x80 -/* hold in idle state */ -#define VOYAGER_CAT_HOLD 0x90 -/* single step an "intest" vector */ -#define VOYAGER_CAT_STEP 0xE0 -/* return cat controller to CLEMSON mode */ -#define VOYAGER_CAT_CLEMSON 0xFF - -/* the default cat command header */ -#define VOYAGER_CAT_HEADER 0x7F - -/* the range of possible CAT module ids in the system */ -#define VOYAGER_MIN_MODULE 0x10 -#define VOYAGER_MAX_MODULE 0x1f - -/* The voyager registers per asic */ -#define VOYAGER_ASIC_ID_REG 0x00 -#define VOYAGER_ASIC_TYPE_REG 0x01 -/* the sub address registers can be made auto incrementing on reads */ -#define VOYAGER_AUTO_INC_REG 0x02 -# define VOYAGER_AUTO_INC 0x04 -# define VOYAGER_NO_AUTO_INC 0xfb -#define VOYAGER_SUBADDRDATA 0x03 -#define VOYAGER_SCANPATH 0x05 -# define VOYAGER_CONNECT_ASIC 0x01 -# define VOYAGER_DISCONNECT_ASIC 0xfe -#define VOYAGER_SUBADDRLO 0x06 -#define VOYAGER_SUBADDRHI 0x07 -#define VOYAGER_SUBMODSELECT 0x08 -#define VOYAGER_SUBMODPRESENT 0x09 - -#define VOYAGER_SUBADDR_LO 0xff -#define VOYAGER_SUBADDR_HI 0xffff - -/* the maximum size of a scan path -- used to form instructions */ -#define VOYAGER_MAX_SCAN_PATH 0x100 -/* the biggest possible register size (in bytes) */ -#define VOYAGER_MAX_REG_SIZE 4 - -/* Total number of possible modules (including submodules) */ -#define VOYAGER_MAX_MODULES 16 -/* Largest number of asics per module */ -#define VOYAGER_MAX_ASICS_PER_MODULE 7 - -/* the CAT asic of each module is always the first one */ -#define VOYAGER_CAT_ID 0 -#define VOYAGER_PSI 0x1a - -/* voyager instruction operations and registers */ -#define VOYAGER_READ_CONFIG 0x1 -#define VOYAGER_WRITE_CONFIG 0x2 -#define VOYAGER_BYPASS 0xff - -typedef struct voyager_asic { - __u8 asic_addr; /* ASIC address; Level 4 */ - __u8 asic_type; /* ASIC type */ - __u8 asic_id; /* ASIC id */ - __u8 jtag_id[4]; /* JTAG id */ - __u8 asic_location; /* Location within scan path; start w/ 0 */ - __u8 bit_location; /* Location within bit stream; start w/ 0 */ - __u8 ireg_length; /* Instruction register length */ - __u16 subaddr; /* Amount of sub address space */ - struct voyager_asic *next; /* Next asic in linked list */ -} voyager_asic_t; - -typedef struct voyager_module { - __u8 module_addr; /* Module address */ - __u8 scan_path_connected; /* Scan path connected */ - __u16 ee_size; /* Size of the EEPROM */ - __u16 num_asics; /* Number of Asics */ - __u16 inst_bits; /* Instruction bits in the scan path */ - __u16 largest_reg; /* Largest register in the scan path */ - __u16 smallest_reg; /* Smallest register in the scan path */ - voyager_asic_t *asic; /* First ASIC in scan path (CAT_I) */ - struct voyager_module *submodule; /* Submodule pointer */ - struct voyager_module *next; /* Next module in linked list */ -} voyager_module_t; - -typedef struct voyager_eeprom_hdr { - __u8 module_id[4]; - __u8 version_id; - __u8 config_id; - __u16 boundry_id; /* boundary scan id */ - __u16 ee_size; /* size of EEPROM */ - __u8 assembly[11]; /* assembly # */ - __u8 assembly_rev; /* assembly rev */ - __u8 tracer[4]; /* tracer number */ - __u16 assembly_cksum; /* asm checksum */ - __u16 power_consump; /* pwr requirements */ - __u16 num_asics; /* number of asics */ - __u16 bist_time; /* min. bist time */ - __u16 err_log_offset; /* error log offset */ - __u16 scan_path_offset;/* scan path offset */ - __u16 cct_offset; - __u16 log_length; /* length of err log */ - __u16 xsum_end; /* offset to end of - checksum */ - __u8 reserved[4]; - __u8 sflag; /* starting sentinal */ - __u8 part_number[13]; /* prom part number */ - __u8 version[10]; /* version number */ - __u8 signature[8]; - __u16 eeprom_chksum; - __u32 data_stamp_offset; - __u8 eflag ; /* ending sentinal */ -} __attribute__((packed)) voyager_eprom_hdr_t; - - - -#define VOYAGER_EPROM_SIZE_OFFSET \ - ((__u16)(&(((voyager_eprom_hdr_t *)0)->ee_size))) -#define VOYAGER_XSUM_END_OFFSET 0x2a - -/* the following three definitions are for internal table layouts - * in the module EPROMs. We really only care about the IDs and - * offsets */ -typedef struct voyager_sp_table { - __u8 asic_id; - __u8 bypass_flag; - __u16 asic_data_offset; - __u16 config_data_offset; -} __attribute__((packed)) voyager_sp_table_t; - -typedef struct voyager_jtag_table { - __u8 icode[4]; - __u8 runbist[4]; - __u8 intest[4]; - __u8 samp_preld[4]; - __u8 ireg_len; -} __attribute__((packed)) voyager_jtt_t; - -typedef struct voyager_asic_data_table { - __u8 jtag_id[4]; - __u16 length_bsr; - __u16 length_bist_reg; - __u32 bist_clk; - __u16 subaddr_bits; - __u16 seed_bits; - __u16 sig_bits; - __u16 jtag_offset; -} __attribute__((packed)) voyager_at_t; - -/* Voyager Interrupt Controller (VIC) registers */ - -/* Base to add to Cross Processor Interrupts (CPIs) when triggering - * the CPU IRQ line */ -/* register defines for the WCBICs (one per processor) */ -#define VOYAGER_WCBIC0 0x41 /* bus A node P1 processor 0 */ -#define VOYAGER_WCBIC1 0x49 /* bus A node P1 processor 1 */ -#define VOYAGER_WCBIC2 0x51 /* bus A node P2 processor 0 */ -#define VOYAGER_WCBIC3 0x59 /* bus A node P2 processor 1 */ -#define VOYAGER_WCBIC4 0x61 /* bus B node P1 processor 0 */ -#define VOYAGER_WCBIC5 0x69 /* bus B node P1 processor 1 */ -#define VOYAGER_WCBIC6 0x71 /* bus B node P2 processor 0 */ -#define VOYAGER_WCBIC7 0x79 /* bus B node P2 processor 1 */ - - -/* top of memory registers */ -#define VOYAGER_WCBIC_TOM_L 0x4 -#define VOYAGER_WCBIC_TOM_H 0x5 - -/* register defines for Voyager Memory Contol (VMC) - * these are present on L4 machines only */ -#define VOYAGER_VMC1 0x81 -#define VOYAGER_VMC2 0x91 -#define VOYAGER_VMC3 0xa1 -#define VOYAGER_VMC4 0xb1 - -/* VMC Ports */ -#define VOYAGER_VMC_MEMORY_SETUP 0x9 -# define VMC_Interleaving 0x01 -# define VMC_4Way 0x02 -# define VMC_EvenCacheLines 0x04 -# define VMC_HighLine 0x08 -# define VMC_Start0_Enable 0x20 -# define VMC_Start1_Enable 0x40 -# define VMC_Vremap 0x80 -#define VOYAGER_VMC_BANK_DENSITY 0xa -# define VMC_BANK_EMPTY 0 -# define VMC_BANK_4MB 1 -# define VMC_BANK_16MB 2 -# define VMC_BANK_64MB 3 -# define VMC_BANK0_MASK 0x03 -# define VMC_BANK1_MASK 0x0C -# define VMC_BANK2_MASK 0x30 -# define VMC_BANK3_MASK 0xC0 - -/* Magellan Memory Controller (MMC) defines - present on L5 */ -#define VOYAGER_MMC_ASIC_ID 1 -/* the two memory modules corresponding to memory cards in the system */ -#define VOYAGER_MMC_MEMORY0_MODULE 0x14 -#define VOYAGER_MMC_MEMORY1_MODULE 0x15 -/* the Magellan Memory Address (MMA) defines */ -#define VOYAGER_MMA_ASIC_ID 2 - -/* Submodule number for the Quad Baseboard */ -#define VOYAGER_QUAD_BASEBOARD 1 - -/* ASIC defines for the Quad Baseboard */ -#define VOYAGER_QUAD_QDATA0 1 -#define VOYAGER_QUAD_QDATA1 2 -#define VOYAGER_QUAD_QABC 3 - -/* Useful areas in extended CMOS */ -#define VOYAGER_PROCESSOR_PRESENT_MASK 0x88a -#define VOYAGER_MEMORY_CLICKMAP 0xa23 -#define VOYAGER_DUMP_LOCATION 0xb1a - -/* SUS In Control bit - used to tell SUS that we don't need to be - * babysat anymore */ -#define VOYAGER_SUS_IN_CONTROL_PORT 0x3ff -# define VOYAGER_IN_CONTROL_FLAG 0x80 - -/* Voyager PSI defines */ -#define VOYAGER_PSI_STATUS_REG 0x08 -# define PSI_DC_FAIL 0x01 -# define PSI_MON 0x02 -# define PSI_FAULT 0x04 -# define PSI_ALARM 0x08 -# define PSI_CURRENT 0x10 -# define PSI_DVM 0x20 -# define PSI_PSCFAULT 0x40 -# define PSI_STAT_CHG 0x80 - -#define VOYAGER_PSI_SUPPLY_REG 0x8000 - /* read */ -# define PSI_FAIL_DC 0x01 -# define PSI_FAIL_AC 0x02 -# define PSI_MON_INT 0x04 -# define PSI_SWITCH_OFF 0x08 -# define PSI_HX_OFF 0x10 -# define PSI_SECURITY 0x20 -# define PSI_CMOS_BATT_LOW 0x40 -# define PSI_CMOS_BATT_FAIL 0x80 - /* write */ -# define PSI_CLR_SWITCH_OFF 0x13 -# define PSI_CLR_HX_OFF 0x14 -# define PSI_CLR_CMOS_BATT_FAIL 0x17 - -#define VOYAGER_PSI_MASK 0x8001 -# define PSI_MASK_MASK 0x10 - -#define VOYAGER_PSI_AC_FAIL_REG 0x8004 -#define AC_FAIL_STAT_CHANGE 0x80 - -#define VOYAGER_PSI_GENERAL_REG 0x8007 - /* read */ -# define PSI_SWITCH_ON 0x01 -# define PSI_SWITCH_ENABLED 0x02 -# define PSI_ALARM_ENABLED 0x08 -# define PSI_SECURE_ENABLED 0x10 -# define PSI_COLD_RESET 0x20 -# define PSI_COLD_START 0x80 - /* write */ -# define PSI_POWER_DOWN 0x10 -# define PSI_SWITCH_DISABLE 0x01 -# define PSI_SWITCH_ENABLE 0x11 -# define PSI_CLEAR 0x12 -# define PSI_ALARM_DISABLE 0x03 -# define PSI_ALARM_ENABLE 0x13 -# define PSI_CLEAR_COLD_RESET 0x05 -# define PSI_SET_COLD_RESET 0x15 -# define PSI_CLEAR_COLD_START 0x07 -# define PSI_SET_COLD_START 0x17 - - - -struct voyager_bios_info { - __u8 len; - __u8 major; - __u8 minor; - __u8 debug; - __u8 num_classes; - __u8 class_1; - __u8 class_2; -}; - -/* The following structures and definitions are for the Kernel/SUS - * interface these are needed to find out how SUS initialised any Quad - * boards in the system */ - -#define NUMBER_OF_MC_BUSSES 2 -#define SLOTS_PER_MC_BUS 8 -#define MAX_CPUS 16 /* 16 way CPU system */ -#define MAX_PROCESSOR_BOARDS 4 /* 4 processor slot system */ -#define MAX_CACHE_LEVELS 4 /* # of cache levels supported */ -#define MAX_SHARED_CPUS 4 /* # of CPUs that can share a LARC */ -#define NUMBER_OF_POS_REGS 8 - -typedef struct { - __u8 MC_Slot; - __u8 POS_Values[NUMBER_OF_POS_REGS]; -} __attribute__((packed)) MC_SlotInformation_t; - -struct QuadDescription { - __u8 Type; /* for type 0 (DYADIC or MONADIC) all fields - * will be zero except for slot */ - __u8 StructureVersion; - __u32 CPI_BaseAddress; - __u32 LARC_BankSize; - __u32 LocalMemoryStateBits; - __u8 Slot; /* Processor slots 1 - 4 */ -} __attribute__((packed)); - -struct ProcBoardInfo { - __u8 Type; - __u8 StructureVersion; - __u8 NumberOfBoards; - struct QuadDescription QuadData[MAX_PROCESSOR_BOARDS]; -} __attribute__((packed)); - -struct CacheDescription { - __u8 Level; - __u32 TotalSize; - __u16 LineSize; - __u8 Associativity; - __u8 CacheType; - __u8 WriteType; - __u8 Number_CPUs_SharedBy; - __u8 Shared_CPUs_Hardware_IDs[MAX_SHARED_CPUS]; - -} __attribute__((packed)); - -struct CPU_Description { - __u8 CPU_HardwareId; - char *FRU_String; - __u8 NumberOfCacheLevels; - struct CacheDescription CacheLevelData[MAX_CACHE_LEVELS]; -} __attribute__((packed)); - -struct CPU_Info { - __u8 Type; - __u8 StructureVersion; - __u8 NumberOf_CPUs; - struct CPU_Description CPU_Data[MAX_CPUS]; -} __attribute__((packed)); - - -/* - * This structure will be used by SUS and the OS. - * The assumption about this structure is that no blank space is - * packed in it by our friend the compiler. - */ -typedef struct { - __u8 Mailbox_SUS; /* Written to by SUS to give - commands/response to the OS */ - __u8 Mailbox_OS; /* Written to by the OS to give - commands/response to SUS */ - __u8 SUS_MailboxVersion; /* Tells the OS which iteration of the - interface SUS supports */ - __u8 OS_MailboxVersion; /* Tells SUS which iteration of the - interface the OS supports */ - __u32 OS_Flags; /* Flags set by the OS as info for - SUS */ - __u32 SUS_Flags; /* Flags set by SUS as info - for the OS */ - __u32 WatchDogPeriod; /* Watchdog period (in seconds) which - the DP uses to see if the OS - is dead */ - __u32 WatchDogCount; /* Updated by the OS on every tic. */ - __u32 MemoryFor_SUS_ErrorLog; /* Flat 32 bit address which tells SUS - where to stuff the SUS error log - on a dump */ - MC_SlotInformation_t MC_SlotInfo[NUMBER_OF_MC_BUSSES*SLOTS_PER_MC_BUS]; - /* Storage for MCA POS data */ - /* All new SECOND_PASS_INTERFACE fields added from this point */ - struct ProcBoardInfo *BoardData; - struct CPU_Info *CPU_Data; - /* All new fields must be added from this point */ -} Voyager_KernelSUS_Mbox_t; - -/* structure for finding the right memory address to send a QIC CPI to */ -struct voyager_qic_cpi { - /* Each cache line (32 bytes) can trigger a cpi. The cpi - * read/write may occur anywhere in the cache line---pick the - * middle to be safe */ - struct { - __u32 pad1[3]; - __u32 cpi; - __u32 pad2[4]; - } qic_cpi[8]; -}; - -struct voyager_status { - __u32 power_fail:1; - __u32 switch_off:1; - __u32 request_from_kernel:1; -}; - -struct voyager_psi_regs { - __u8 cat_id; - __u8 cat_dev; - __u8 cat_control; - __u8 subaddr; - __u8 dummy4; - __u8 checkbit; - __u8 subaddr_low; - __u8 subaddr_high; - __u8 intstatus; - __u8 stat1; - __u8 stat3; - __u8 fault; - __u8 tms; - __u8 gen; - __u8 sysconf; - __u8 dummy15; -}; - -struct voyager_psi_subregs { - __u8 supply; - __u8 mask; - __u8 present; - __u8 DCfail; - __u8 ACfail; - __u8 fail; - __u8 UPSfail; - __u8 genstatus; -}; - -struct voyager_psi { - struct voyager_psi_regs regs; - struct voyager_psi_subregs subregs; -}; - -struct voyager_SUS { -#define VOYAGER_DUMP_BUTTON_NMI 0x1 -#define VOYAGER_SUS_VALID 0x2 -#define VOYAGER_SYSINT_COMPLETE 0x3 - __u8 SUS_mbox; -#define VOYAGER_NO_COMMAND 0x0 -#define VOYAGER_IGNORE_DUMP 0x1 -#define VOYAGER_DO_DUMP 0x2 -#define VOYAGER_SYSINT_HANDSHAKE 0x3 -#define VOYAGER_DO_MEM_DUMP 0x4 -#define VOYAGER_SYSINT_WAS_RECOVERED 0x5 - __u8 kernel_mbox; -#define VOYAGER_MAILBOX_VERSION 0x10 - __u8 SUS_version; - __u8 kernel_version; -#define VOYAGER_OS_HAS_SYSINT 0x1 -#define VOYAGER_OS_IN_PROGRESS 0x2 -#define VOYAGER_UPDATING_WDPERIOD 0x4 - __u32 kernel_flags; -#define VOYAGER_SUS_BOOTING 0x1 -#define VOYAGER_SUS_IN_PROGRESS 0x2 - __u32 SUS_flags; - __u32 watchdog_period; - __u32 watchdog_count; - __u32 SUS_errorlog; - /* lots of system configuration stuff under here */ -}; - -/* Variables exported by voyager_smp */ -extern __u32 voyager_extended_vic_processors; -extern __u32 voyager_allowed_boot_processors; -extern __u32 voyager_quad_processors; -extern struct voyager_qic_cpi *voyager_quad_cpi_addr[NR_CPUS]; -extern struct voyager_SUS *voyager_SUS; - -/* variables exported always */ -extern struct task_struct *voyager_thread; -extern int voyager_level; -extern struct voyager_status voyager_status; - -/* functions exported by the voyager and voyager_smp modules */ -extern int voyager_cat_readb(__u8 module, __u8 asic, int reg); -extern void voyager_cat_init(void); -extern void voyager_detect(struct voyager_bios_info *); -extern void voyager_trap_init(void); -extern void voyager_setup_irqs(void); -extern int voyager_memory_detect(int region, __u32 *addr, __u32 *length); -extern void voyager_smp_intr_init(void); -extern __u8 voyager_extended_cmos_read(__u16 cmos_address); -extern void voyager_smp_dump(void); -extern void voyager_timer_interrupt(void); -extern void smp_local_timer_interrupt(void); -extern void voyager_power_off(void); -extern void smp_voyager_power_off(void *dummy); -extern void voyager_restart(void); -extern void voyager_cat_power_off(void); -extern void voyager_cat_do_common_interrupt(void); -extern void voyager_handle_nmi(void); -extern void voyager_smp_intr_init(void); -/* Commands for the following are */ -#define VOYAGER_PSI_READ 0 -#define VOYAGER_PSI_WRITE 1 -#define VOYAGER_PSI_SUBREAD 2 -#define VOYAGER_PSI_SUBWRITE 3 -extern void voyager_cat_psi(__u8, __u16, __u8 *); diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h index 19144184983..1df35417c41 100644 --- a/arch/x86/include/asm/xen/events.h +++ b/arch/x86/include/asm/xen/events.h @@ -15,10 +15,4 @@ static inline int xen_irqs_disabled(struct pt_regs *regs) return raw_irqs_disabled_flags(regs->flags); } -static inline void xen_do_IRQ(int irq, struct pt_regs *regs) -{ - regs->orig_ax = ~irq; - do_IRQ(regs); -} - #endif /* _ASM_X86_XEN_EVENTS_H */ diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h index 81fbd735aec..d5b7e90c0ed 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h @@ -38,22 +38,30 @@ extern struct shared_info *HYPERVISOR_shared_info; extern struct start_info *xen_start_info; enum xen_domain_type { - XEN_NATIVE, - XEN_PV_DOMAIN, - XEN_HVM_DOMAIN, + XEN_NATIVE, /* running on bare hardware */ + XEN_PV_DOMAIN, /* running in a PV domain */ + XEN_HVM_DOMAIN, /* running in a Xen hvm domain */ }; -extern enum xen_domain_type xen_domain_type; - #ifdef CONFIG_XEN -#define xen_domain() (xen_domain_type != XEN_NATIVE) +extern enum xen_domain_type xen_domain_type; #else -#define xen_domain() (0) +#define xen_domain_type XEN_NATIVE #endif -#define xen_pv_domain() (xen_domain() && xen_domain_type == XEN_PV_DOMAIN) -#define xen_hvm_domain() (xen_domain() && xen_domain_type == XEN_HVM_DOMAIN) +#define xen_domain() (xen_domain_type != XEN_NATIVE) +#define xen_pv_domain() (xen_domain() && \ + xen_domain_type == XEN_PV_DOMAIN) +#define xen_hvm_domain() (xen_domain() && \ + xen_domain_type == XEN_HVM_DOMAIN) + +#ifdef CONFIG_XEN_DOM0 +#include <xen/interface/xen.h> -#define xen_initial_domain() (xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN) +#define xen_initial_domain() (xen_pv_domain() && \ + xen_start_info->flags & SIF_INITDOMAIN) +#else /* !CONFIG_XEN_DOM0 */ +#define xen_initial_domain() (0) +#endif /* CONFIG_XEN_DOM0 */ #endif /* _ASM_X86_XEN_HYPERVISOR_H */ |