diff options
Diffstat (limited to 'include/asm-x86_64')
47 files changed, 748 insertions, 567 deletions
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h index aa1c7b2e438c..2c95a319c056 100644 --- a/include/asm-x86_64/acpi.h +++ b/include/asm-x86_64/acpi.h @@ -162,6 +162,8 @@ extern int acpi_pci_disabled; extern u8 x86_acpiid_to_apicid[]; +#define ARCH_HAS_POWER_INIT 1 + extern int acpi_skip_timer_override; #endif /*__KERNEL__*/ diff --git a/include/asm-x86_64/alternative.h b/include/asm-x86_64/alternative.h new file mode 100644 index 000000000000..aa67bfd1b3ce --- /dev/null +++ b/include/asm-x86_64/alternative.h @@ -0,0 +1,155 @@ +#ifndef _X86_64_ALTERNATIVE_H +#define _X86_64_ALTERNATIVE_H + +#ifdef __KERNEL__ + +#include <linux/types.h> + +struct alt_instr { + u8 *instr; /* original instruction */ + u8 *replacement; + u8 cpuid; /* cpuid bit set for replacement */ + u8 instrlen; /* length of original instruction */ + u8 replacementlen; /* length of new instruction, <= instrlen */ + u8 pad[5]; +}; + +extern void apply_alternatives(struct alt_instr *start, struct alt_instr *end); + +struct module; + +#ifdef CONFIG_SMP +extern void alternatives_smp_module_add(struct module *mod, char *name, + void *locks, void *locks_end, + void *text, void *text_end); +extern void alternatives_smp_module_del(struct module *mod); +extern void alternatives_smp_switch(int smp); +#else +static inline void alternatives_smp_module_add(struct module *mod, char *name, + void *locks, void *locks_end, + void *text, void *text_end) {} +static inline void alternatives_smp_module_del(struct module *mod) {} +static inline void alternatives_smp_switch(int smp) {} +#endif + +#endif + +/* + * Alternative instructions for different CPU types or capabilities. + * + * This allows to use optimized instructions even on generic binary + * kernels. + * + * length of oldinstr must be longer or equal the length of newinstr + * It can be padded with nops as needed. + * + * For non barrier like inlines please define new variants + * without volatile and memory clobber. + */ +#define alternative(oldinstr, newinstr, feature) \ + asm volatile ("661:\n\t" oldinstr "\n662:\n" \ + ".section .altinstructions,\"a\"\n" \ + " .align 8\n" \ + " .quad 661b\n" /* label */ \ + " .quad 663f\n" /* new instruction */ \ + " .byte %c0\n" /* feature bit */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .altinstr_replacement,\"ax\"\n" \ + "663:\n\t" newinstr "\n664:\n" /* replacement */ \ + ".previous" :: "i" (feature) : "memory") + +/* + * Alternative inline assembly with input. + * + * Pecularities: + * No memory clobber here. + * Argument numbers start with 1. + * Best is to use constraints that are fixed size (like (%1) ... "r") + * If you use variable sized constraints like "m" or "g" in the + * replacement make sure to pad to the worst case length. + */ +#define alternative_input(oldinstr, newinstr, feature, input...) \ + asm volatile ("661:\n\t" oldinstr "\n662:\n" \ + ".section .altinstructions,\"a\"\n" \ + " .align 8\n" \ + " .quad 661b\n" /* label */ \ + " .quad 663f\n" /* new instruction */ \ + " .byte %c0\n" /* feature bit */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .altinstr_replacement,\"ax\"\n" \ + "663:\n\t" newinstr "\n664:\n" /* replacement */ \ + ".previous" :: "i" (feature), ##input) + +/* Like alternative_input, but with a single output argument */ +#define alternative_io(oldinstr, newinstr, feature, output, input...) \ + asm volatile ("661:\n\t" oldinstr "\n662:\n" \ + ".section .altinstructions,\"a\"\n" \ + " .align 8\n" \ + " .quad 661b\n" /* label */ \ + " .quad 663f\n" /* new instruction */ \ + " .byte %c[feat]\n" /* feature bit */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .altinstr_replacement,\"ax\"\n" \ + "663:\n\t" newinstr "\n664:\n" /* replacement */ \ + ".previous" : output : [feat] "i" (feature), ##input) + +/* + * Alternative inline assembly for SMP. + * + * alternative_smp() takes two versions (SMP first, UP second) and is + * for more complex stuff such as spinlocks. + * + * The LOCK_PREFIX macro defined here replaces the LOCK and + * LOCK_PREFIX macros used everywhere in the source tree. + * + * SMP alternatives use the same data structures as the other + * alternatives and the X86_FEATURE_UP flag to indicate the case of a + * UP system running a SMP kernel. The existing apply_alternatives() + * works fine for patching a SMP kernel for UP. + * + * The SMP alternative tables can be kept after boot and contain both + * UP and SMP versions of the instructions to allow switching back to + * SMP at runtime, when hotplugging in a new CPU, which is especially + * useful in virtualized environments. + * + * The very common lock prefix is handled as special case in a + * separate table which is a pure address list without replacement ptr + * and size information. That keeps the table sizes small. + */ + +#ifdef CONFIG_SMP +#define alternative_smp(smpinstr, upinstr, args...) \ + asm volatile ("661:\n\t" smpinstr "\n662:\n" \ + ".section .smp_altinstructions,\"a\"\n" \ + " .align 8\n" \ + " .quad 661b\n" /* label */ \ + " .quad 663f\n" /* new instruction */ \ + " .byte 0x66\n" /* X86_FEATURE_UP */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .smp_altinstr_replacement,\"awx\"\n" \ + "663:\n\t" upinstr "\n" /* replacement */ \ + "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \ + ".previous" : args) + +#define LOCK_PREFIX \ + ".section .smp_locks,\"a\"\n" \ + " .align 8\n" \ + " .quad 661f\n" /* address */ \ + ".previous\n" \ + "661:\n\tlock; " + +#else /* ! CONFIG_SMP */ +#define alternative_smp(smpinstr, upinstr, args...) \ + asm volatile (upinstr : args) +#define LOCK_PREFIX "" +#endif + +#endif /* _X86_64_ALTERNATIVE_H */ diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h index a731be2204d2..9c96a0a8d1bd 100644 --- a/include/asm-x86_64/apic.h +++ b/include/asm-x86_64/apic.h @@ -49,7 +49,8 @@ static __inline unsigned int apic_read(unsigned long reg) static __inline__ void apic_wait_icr_idle(void) { - while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY ); + while (apic_read( APIC_ICR ) & APIC_ICR_BUSY) + cpu_relax(); } static inline void ack_APIC_irq(void) @@ -79,30 +80,23 @@ extern void init_apic_mappings (void); extern void smp_local_timer_interrupt (struct pt_regs * regs); extern void setup_boot_APIC_clock (void); extern void setup_secondary_APIC_clock (void); -extern void setup_apic_nmi_watchdog (void); -extern int reserve_lapic_nmi(void); -extern void release_lapic_nmi(void); -extern void disable_timer_nmi_watchdog(void); -extern void enable_timer_nmi_watchdog(void); -extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); extern int APIC_init_uniprocessor (void); extern void disable_APIC_timer(void); extern void enable_APIC_timer(void); extern void clustered_apic_check(void); -extern void nmi_watchdog_default(void); -extern int setup_nmi_watchdog(char *); +extern void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector, + unsigned char msg_type, unsigned char mask); -extern unsigned int nmi_watchdog; -#define NMI_DEFAULT -1 -#define NMI_NONE 0 -#define NMI_IO_APIC 1 -#define NMI_LOCAL_APIC 2 -#define NMI_INVALID 3 +#define K8_APIC_EXT_LVT_BASE 0x500 +#define K8_APIC_EXT_INT_MSG_FIX 0x0 +#define K8_APIC_EXT_INT_MSG_SMI 0x2 +#define K8_APIC_EXT_INT_MSG_NMI 0x4 +#define K8_APIC_EXT_INT_MSG_EXT 0x7 +#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0 extern int disable_timer_pin_1; -extern void setup_threshold_lvt(unsigned long lvt_off); void smp_send_timer_broadcast_ipi(void); void switch_APIC_timer_to_ipi(void *cpumask); diff --git a/include/asm-x86_64/apicdef.h b/include/asm-x86_64/apicdef.h index 5a48e9bcf218..1dd40067c67c 100644 --- a/include/asm-x86_64/apicdef.h +++ b/include/asm-x86_64/apicdef.h @@ -137,8 +137,6 @@ */ #define u32 unsigned int -#define lapic ((volatile struct local_apic *)APIC_BASE) - struct local_apic { /*000*/ struct { u32 __reserved[4]; } __reserved_01; diff --git a/include/asm-x86_64/atomic.h b/include/asm-x86_64/atomic.h index bd3fa67ed835..007e88d6d43f 100644 --- a/include/asm-x86_64/atomic.h +++ b/include/asm-x86_64/atomic.h @@ -1,7 +1,7 @@ #ifndef __ARCH_X86_64_ATOMIC__ #define __ARCH_X86_64_ATOMIC__ -#include <asm/types.h> +#include <asm/alternative.h> /* atomic_t should be 32 bit signed type */ @@ -52,7 +52,7 @@ typedef struct { volatile int counter; } atomic_t; static __inline__ void atomic_add(int i, atomic_t *v) { __asm__ __volatile__( - LOCK "addl %1,%0" + LOCK_PREFIX "addl %1,%0" :"=m" (v->counter) :"ir" (i), "m" (v->counter)); } @@ -67,7 +67,7 @@ static __inline__ void atomic_add(int i, atomic_t *v) static __inline__ void atomic_sub(int i, atomic_t *v) { __asm__ __volatile__( - LOCK "subl %1,%0" + LOCK_PREFIX "subl %1,%0" :"=m" (v->counter) :"ir" (i), "m" (v->counter)); } @@ -86,7 +86,7 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v) unsigned char c; __asm__ __volatile__( - LOCK "subl %2,%0; sete %1" + LOCK_PREFIX "subl %2,%0; sete %1" :"=m" (v->counter), "=qm" (c) :"ir" (i), "m" (v->counter) : "memory"); return c; @@ -101,7 +101,7 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v) static __inline__ void atomic_inc(atomic_t *v) { __asm__ __volatile__( - LOCK "incl %0" + LOCK_PREFIX "incl %0" :"=m" (v->counter) :"m" (v->counter)); } @@ -115,7 +115,7 @@ static __inline__ void atomic_inc(atomic_t *v) static __inline__ void atomic_dec(atomic_t *v) { __asm__ __volatile__( - LOCK "decl %0" + LOCK_PREFIX "decl %0" :"=m" (v->counter) :"m" (v->counter)); } @@ -133,7 +133,7 @@ static __inline__ int atomic_dec_and_test(atomic_t *v) unsigned char c; __asm__ __volatile__( - LOCK "decl %0; sete %1" + LOCK_PREFIX "decl %0; sete %1" :"=m" (v->counter), "=qm" (c) :"m" (v->counter) : "memory"); return c != 0; @@ -152,7 +152,7 @@ static __inline__ int atomic_inc_and_test(atomic_t *v) unsigned char c; __asm__ __volatile__( - LOCK "incl %0; sete %1" + LOCK_PREFIX "incl %0; sete %1" :"=m" (v->counter), "=qm" (c) :"m" (v->counter) : "memory"); return c != 0; @@ -172,7 +172,7 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v) unsigned char c; __asm__ __volatile__( - LOCK "addl %2,%0; sets %1" + LOCK_PREFIX "addl %2,%0; sets %1" :"=m" (v->counter), "=qm" (c) :"ir" (i), "m" (v->counter) : "memory"); return c; @@ -189,7 +189,7 @@ static __inline__ int atomic_add_return(int i, atomic_t *v) { int __i = i; __asm__ __volatile__( - LOCK "xaddl %0, %1;" + LOCK_PREFIX "xaddl %0, %1;" :"=r"(i) :"m"(v->counter), "0"(i)); return i + __i; @@ -237,7 +237,7 @@ typedef struct { volatile long counter; } atomic64_t; static __inline__ void atomic64_add(long i, atomic64_t *v) { __asm__ __volatile__( - LOCK "addq %1,%0" + LOCK_PREFIX "addq %1,%0" :"=m" (v->counter) :"ir" (i), "m" (v->counter)); } @@ -252,7 +252,7 @@ static __inline__ void atomic64_add(long i, atomic64_t *v) static __inline__ void atomic64_sub(long i, atomic64_t *v) { __asm__ __volatile__( - LOCK "subq %1,%0" + LOCK_PREFIX "subq %1,%0" :"=m" (v->counter) :"ir" (i), "m" (v->counter)); } @@ -271,7 +271,7 @@ static __inline__ int atomic64_sub_and_test(long i, atomic64_t *v) unsigned char c; __asm__ __volatile__( - LOCK "subq %2,%0; sete %1" + LOCK_PREFIX "subq %2,%0; sete %1" :"=m" (v->counter), "=qm" (c) :"ir" (i), "m" (v->counter) : "memory"); return c; @@ -286,7 +286,7 @@ static __inline__ int atomic64_sub_and_test(long i, atomic64_t *v) static __inline__ void atomic64_inc(atomic64_t *v) { __asm__ __volatile__( - LOCK "incq %0" + LOCK_PREFIX "incq %0" :"=m" (v->counter) :"m" (v->counter)); } @@ -300,7 +300,7 @@ static __inline__ void atomic64_inc(atomic64_t *v) static __inline__ void atomic64_dec(atomic64_t *v) { __asm__ __volatile__( - LOCK "decq %0" + LOCK_PREFIX "decq %0" :"=m" (v->counter) :"m" (v->counter)); } @@ -318,7 +318,7 @@ static __inline__ int atomic64_dec_and_test(atomic64_t *v) unsigned char c; __asm__ __volatile__( - LOCK "decq %0; sete %1" + LOCK_PREFIX "decq %0; sete %1" :"=m" (v->counter), "=qm" (c) :"m" (v->counter) : "memory"); return c != 0; @@ -337,7 +337,7 @@ static __inline__ int atomic64_inc_and_test(atomic64_t *v) unsigned char c; __asm__ __volatile__( - LOCK "incq %0; sete %1" + LOCK_PREFIX "incq %0; sete %1" :"=m" (v->counter), "=qm" (c) :"m" (v->counter) : "memory"); return c != 0; @@ -357,7 +357,7 @@ static __inline__ int atomic64_add_negative(long i, atomic64_t *v) unsigned char c; __asm__ __volatile__( - LOCK "addq %2,%0; sets %1" + LOCK_PREFIX "addq %2,%0; sets %1" :"=m" (v->counter), "=qm" (c) :"ir" (i), "m" (v->counter) : "memory"); return c; @@ -374,7 +374,7 @@ static __inline__ long atomic64_add_return(long i, atomic64_t *v) { long __i = i; __asm__ __volatile__( - LOCK "xaddq %0, %1;" + LOCK_PREFIX "xaddq %0, %1;" :"=r"(i) :"m"(v->counter), "0"(i)); return i + __i; @@ -418,11 +418,11 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t *v) /* These are x86-specific, used by some header files */ #define atomic_clear_mask(mask, addr) \ -__asm__ __volatile__(LOCK "andl %0,%1" \ +__asm__ __volatile__(LOCK_PREFIX "andl %0,%1" \ : : "r" (~(mask)),"m" (*addr) : "memory") #define atomic_set_mask(mask, addr) \ -__asm__ __volatile__(LOCK "orl %0,%1" \ +__asm__ __volatile__(LOCK_PREFIX "orl %0,%1" \ : : "r" ((unsigned)mask),"m" (*(addr)) : "memory") /* Atomic operations are already serializing on x86 */ diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h index e9bf933d25d0..f7ba57b1cc08 100644 --- a/include/asm-x86_64/bitops.h +++ b/include/asm-x86_64/bitops.h @@ -5,12 +5,7 @@ * Copyright 1992, Linus Torvalds. */ - -#ifdef CONFIG_SMP -#define LOCK_PREFIX "lock ; " -#else -#define LOCK_PREFIX "" -#endif +#include <asm/alternative.h> #define ADDR (*(volatile long *) addr) diff --git a/include/asm-x86_64/calgary.h b/include/asm-x86_64/calgary.h new file mode 100644 index 000000000000..6e1654f30986 --- /dev/null +++ b/include/asm-x86_64/calgary.h @@ -0,0 +1,66 @@ +/* + * Derived from include/asm-powerpc/iommu.h + * + * Copyright (C) 2006 Jon Mason <jdmason@us.ibm.com>, IBM Corporation + * Copyright (C) 2006 Muli Ben-Yehuda <muli@il.ibm.com>, IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _ASM_X86_64_CALGARY_H +#define _ASM_X86_64_CALGARY_H + +#include <linux/config.h> +#include <linux/spinlock.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <asm/types.h> + +struct iommu_table { + unsigned long it_base; /* mapped address of tce table */ + unsigned long it_hint; /* Hint for next alloc */ + unsigned long *it_map; /* A simple allocation bitmap for now */ + spinlock_t it_lock; /* Protects it_map */ + unsigned int it_size; /* Size of iommu table in entries */ + unsigned char it_busno; /* Bus number this table belongs to */ + void __iomem *bbar; + u64 tar_val; + struct timer_list watchdog_timer; +}; + +#define TCE_TABLE_SIZE_UNSPECIFIED ~0 +#define TCE_TABLE_SIZE_64K 0 +#define TCE_TABLE_SIZE_128K 1 +#define TCE_TABLE_SIZE_256K 2 +#define TCE_TABLE_SIZE_512K 3 +#define TCE_TABLE_SIZE_1M 4 +#define TCE_TABLE_SIZE_2M 5 +#define TCE_TABLE_SIZE_4M 6 +#define TCE_TABLE_SIZE_8M 7 + +#ifdef CONFIG_CALGARY_IOMMU +extern int calgary_iommu_init(void); +extern void detect_calgary(void); +#else +static inline int calgary_iommu_init(void) { return 1; } +static inline void detect_calgary(void) { return; } +#endif + +static inline unsigned int bus_to_phb(unsigned char busno) +{ + return ((busno % 15 == 0) ? 0 : busno / 2 + 1); +} + +#endif /* _ASM_X86_64_CALGARY_H */ diff --git a/include/asm-x86_64/cpufeature.h b/include/asm-x86_64/cpufeature.h index 662964b74e34..ee792faaca01 100644 --- a/include/asm-x86_64/cpufeature.h +++ b/include/asm-x86_64/cpufeature.h @@ -46,6 +46,7 @@ #define X86_FEATURE_SYSCALL (1*32+11) /* SYSCALL/SYSRET */ #define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ #define X86_FEATURE_FXSR_OPT (1*32+25) /* FXSR optimizations */ +#define X86_FEATURE_RDTSCP (1*32+27) /* RDTSCP */ #define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */ #define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */ #define X86_FEATURE_3DNOW (1*32+31) /* 3DNow! */ @@ -65,6 +66,8 @@ #define X86_FEATURE_CONSTANT_TSC (3*32+5) /* TSC runs at constant rate */ #define X86_FEATURE_SYNC_RDTSC (3*32+6) /* RDTSC syncs CPU core */ #define X86_FEATURE_FXSAVE_LEAK (3*32+7) /* FIP/FOP/FDP leaks through FXSAVE */ +#define X86_FEATURE_UP (3*32+8) /* SMP kernel running on UP */ +#define X86_FEATURE_ARCH_PERFMON (3*32+9) /* Intel Architectural PerfMon */ /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ #define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */ diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h index 498f66df36b9..b6da83dcc7a6 100644 --- a/include/asm-x86_64/dma-mapping.h +++ b/include/asm-x86_64/dma-mapping.h @@ -55,6 +55,13 @@ extern dma_addr_t bad_dma_address; extern struct dma_mapping_ops* dma_ops; extern int iommu_merge; +static inline int valid_dma_direction(int dma_direction) +{ + return ((dma_direction == DMA_BIDIRECTIONAL) || + (dma_direction == DMA_TO_DEVICE) || + (dma_direction == DMA_FROM_DEVICE)); +} + static inline int dma_mapping_error(dma_addr_t dma_addr) { if (dma_ops->mapping_error) @@ -72,6 +79,7 @@ static inline dma_addr_t dma_map_single(struct device *hwdev, void *ptr, size_t size, int direction) { + BUG_ON(!valid_dma_direction(direction)); return dma_ops->map_single(hwdev, ptr, size, direction); } @@ -79,6 +87,7 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,size_t size, int direction) { + BUG_ON(!valid_dma_direction(direction)); dma_ops->unmap_single(dev, addr, size, direction); } @@ -91,6 +100,7 @@ static inline void dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle, size_t size, int direction) { + BUG_ON(!valid_dma_direction(direction)); if (dma_ops->sync_single_for_cpu) dma_ops->sync_single_for_cpu(hwdev, dma_handle, size, direction); @@ -101,6 +111,7 @@ static inline void dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle, size_t size, int direction) { + BUG_ON(!valid_dma_direction(direction)); if (dma_ops->sync_single_for_device) dma_ops->sync_single_for_device(hwdev, dma_handle, size, direction); @@ -111,6 +122,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle, unsigned long offset, size_t size, int direction) { + BUG_ON(!valid_dma_direction(direction)); if (dma_ops->sync_single_range_for_cpu) { dma_ops->sync_single_range_for_cpu(hwdev, dma_handle, offset, size, direction); } @@ -122,6 +134,7 @@ static inline void dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle, unsigned long offset, size_t size, int direction) { + BUG_ON(!valid_dma_direction(direction)); if (dma_ops->sync_single_range_for_device) dma_ops->sync_single_range_for_device(hwdev, dma_handle, offset, size, direction); @@ -133,6 +146,7 @@ static inline void dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, int nelems, int direction) { + BUG_ON(!valid_dma_direction(direction)); if (dma_ops->sync_sg_for_cpu) dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction); flush_write_buffers(); @@ -142,6 +156,7 @@ static inline void dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, int nelems, int direction) { + BUG_ON(!valid_dma_direction(direction)); if (dma_ops->sync_sg_for_device) { dma_ops->sync_sg_for_device(hwdev, sg, nelems, direction); } @@ -152,6 +167,7 @@ dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, static inline int dma_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, int direction) { + BUG_ON(!valid_dma_direction(direction)); return dma_ops->map_sg(hwdev, sg, nents, direction); } @@ -159,6 +175,7 @@ static inline void dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, int direction) { + BUG_ON(!valid_dma_direction(direction)); dma_ops->unmap_sg(hwdev, sg, nents, direction); } diff --git a/include/asm-x86_64/dma.h b/include/asm-x86_64/dma.h index c556208d3dd7..a37c16f06289 100644 --- a/include/asm-x86_64/dma.h +++ b/include/asm-x86_64/dma.h @@ -1,4 +1,4 @@ -/* $Id: dma.h,v 1.1.1.1 2001/04/19 20:00:38 ak Exp $ +/* * linux/include/asm/dma.h: Defines for using and allocating dma channels. * Written by Hennus Bergman, 1992. * High DMA channel support & info by Hannu Savolainen diff --git a/include/asm-x86_64/elf.h b/include/asm-x86_64/elf.h index c98633af07d2..b4f8f4a41a6e 100644 --- a/include/asm-x86_64/elf.h +++ b/include/asm-x86_64/elf.h @@ -159,7 +159,7 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *); #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs) /* 1GB for 64bit, 8MB for 32bit */ -#define STACK_RND_MASK (is_compat_task() ? 0x7ff : 0x3fffff) +#define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff) #endif diff --git a/include/asm-x86_64/floppy.h b/include/asm-x86_64/floppy.h index 52825ce689f2..32ff5d132714 100644 --- a/include/asm-x86_64/floppy.h +++ b/include/asm-x86_64/floppy.h @@ -144,13 +144,11 @@ static int vdma_get_dma_residue(unsigned int dummy) static int fd_request_irq(void) { if(can_use_virtual_dma) - return request_irq(FLOPPY_IRQ, floppy_hardint,SA_INTERRUPT, - "floppy", NULL); + return request_irq(FLOPPY_IRQ, floppy_hardint, + IRQF_DISABLED, "floppy", NULL); else return request_irq(FLOPPY_IRQ, floppy_interrupt, - SA_INTERRUPT|SA_SAMPLE_RANDOM, - "floppy", NULL); - + IRQF_DISABLED, "floppy", NULL); } static unsigned long dma_mem_alloc(unsigned long size) diff --git a/include/asm-x86_64/gart-mapping.h b/include/asm-x86_64/gart-mapping.h deleted file mode 100644 index ada497b0b55b..000000000000 --- a/include/asm-x86_64/gart-mapping.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef _X8664_GART_MAPPING_H -#define _X8664_GART_MAPPING_H 1 - -#include <linux/types.h> -#include <asm/types.h> - -struct device; - -extern void* -gart_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp); - -extern int -gart_dma_supported(struct device *hwdev, u64 mask); - -#endif /* _X8664_GART_MAPPING_H */ diff --git a/include/asm-x86_64/hpet.h b/include/asm-x86_64/hpet.h index 18ff7ee9e774..b39098408b69 100644 --- a/include/asm-x86_64/hpet.h +++ b/include/asm-x86_64/hpet.h @@ -55,7 +55,7 @@ extern int is_hpet_enabled(void); extern int hpet_rtc_timer_init(void); -extern int oem_force_hpet_timer(void); +extern int apic_is_clustered_box(void); extern int hpet_use_timer; diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h index 3de96fd86a70..48a4a5364e85 100644 --- a/include/asm-x86_64/hw_irq.h +++ b/include/asm-x86_64/hw_irq.h @@ -12,8 +12,6 @@ * <tomsoft@informatik.tu-chemnitz.de> * * hacked by Andi Kleen for x86-64. - * - * $Id: hw_irq.h,v 1.24 2001/09/14 20:55:03 vojtech Exp $ */ #ifndef __ASSEMBLY__ @@ -126,18 +124,9 @@ asmlinkage void IRQ_NAME(nr); \ __asm__( \ "\n.p2align\n" \ "IRQ" #nr "_interrupt:\n\t" \ - "push $" #nr "-256 ; " \ + "push $~(" #nr ") ; " \ "jmp common_interrupt"); -#if defined(CONFIG_X86_IO_APIC) -static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) { - if (IO_APIC_IRQ(i)) - send_IPI_self(IO_APIC_VECTOR(i)); -} -#else -static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {} -#endif - #define platform_legacy_irq(irq) ((irq) < 16) #endif diff --git a/include/asm-x86_64/ia32_unistd.h b/include/asm-x86_64/ia32_unistd.h index b4f4b172b15a..5b52ce507338 100644 --- a/include/asm-x86_64/ia32_unistd.h +++ b/include/asm-x86_64/ia32_unistd.h @@ -4,317 +4,15 @@ /* * This file contains the system call numbers of the ia32 port, * this is for the kernel only. + * Only add syscalls here where some part of the kernel needs to know + * the number. This should be otherwise in sync with asm-i386/unistd.h. -AK */ #define __NR_ia32_restart_syscall 0 #define __NR_ia32_exit 1 -#define __NR_ia32_fork 2 #define __NR_ia32_read 3 #define __NR_ia32_write 4 -#define __NR_ia32_open 5 -#define __NR_ia32_close 6 -#define __NR_ia32_waitpid 7 -#define __NR_ia32_creat 8 -#define __NR_ia32_link 9 -#define __NR_ia32_unlink 10 -#define __NR_ia32_execve 11 -#define __NR_ia32_chdir 12 -#define __NR_ia32_time 13 -#define __NR_ia32_mknod 14 -#define __NR_ia32_chmod 15 -#define __NR_ia32_lchown 16 -#define __NR_ia32_break 17 -#define __NR_ia32_oldstat 18 -#define __NR_ia32_lseek 19 -#define __NR_ia32_getpid 20 -#define __NR_ia32_mount 21 -#define __NR_ia32_umount 22 -#define __NR_ia32_setuid 23 -#define __NR_ia32_getuid 24 -#define __NR_ia32_stime 25 -#define __NR_ia32_ptrace 26 -#define __NR_ia32_alarm 27 -#define __NR_ia32_oldfstat 28 -#define __NR_ia32_pause 29 -#define __NR_ia32_utime 30 -#define __NR_ia32_stty 31 -#define __NR_ia32_gtty 32 -#define __NR_ia32_access 33 -#define __NR_ia32_nice 34 -#define __NR_ia32_ftime 35 -#define __NR_ia32_sync 36 -#define __NR_ia32_kill 37 -#define __NR_ia32_rename 38 -#define __NR_ia32_mkdir 39 -#define __NR_ia32_rmdir 40 -#define __NR_ia32_dup 41 -#define __NR_ia32_pipe 42 -#define __NR_ia32_times 43 -#define __NR_ia32_prof 44 -#define __NR_ia32_brk 45 -#define __NR_ia32_setgid 46 -#define __NR_ia32_getgid 47 -#define __NR_ia32_signal 48 -#define __NR_ia32_geteuid 49 -#define __NR_ia32_getegid 50 -#define __NR_ia32_acct 51 -#define __NR_ia32_umount2 52 -#define __NR_ia32_lock 53 -#define __NR_ia32_ioctl 54 -#define __NR_ia32_fcntl 55 -#define __NR_ia32_mpx 56 -#define __NR_ia32_setpgid 57 -#define __NR_ia32_ulimit 58 -#define __NR_ia32_oldolduname 59 -#define __NR_ia32_umask 60 -#define __NR_ia32_chroot 61 -#define __NR_ia32_ustat 62 -#define __NR_ia32_dup2 63 -#define __NR_ia32_getppid 64 -#define __NR_ia32_getpgrp 65 -#define __NR_ia32_setsid 66 -#define __NR_ia32_sigaction 67 -#define __NR_ia32_sgetmask 68 -#define __NR_ia32_ssetmask 69 -#define __NR_ia32_setreuid 70 -#define __NR_ia32_setregid 71 -#define __NR_ia32_sigsuspend 72 -#define __NR_ia32_sigpending 73 -#define __NR_ia32_sethostname 74 -#define __NR_ia32_setrlimit 75 -#define __NR_ia32_getrlimit 76 /* Back compatible 2Gig limited rlimit */ -#define __NR_ia32_getrusage 77 -#define __NR_ia32_gettimeofday 78 -#define __NR_ia32_settimeofday 79 -#define __NR_ia32_getgroups 80 -#define __NR_ia32_setgroups 81 -#define __NR_ia32_select 82 -#define __NR_ia32_symlink 83 -#define __NR_ia32_oldlstat 84 -#define __NR_ia32_readlink 85 -#define __NR_ia32_uselib 86 -#define __NR_ia32_swapon 87 -#define __NR_ia32_reboot 88 -#define __NR_ia32_readdir 89 -#define __NR_ia32_mmap 90 -#define __NR_ia32_munmap 91 -#define __NR_ia32_truncate 92 -#define __NR_ia32_ftruncate 93 -#define __NR_ia32_fchmod 94 -#define __NR_ia32_fchown 95 -#define __NR_ia32_getpriority 96 -#define __NR_ia32_setpriority 97 -#define __NR_ia32_profil 98 -#define __NR_ia32_statfs 99 -#define __NR_ia32_fstatfs 100 -#define __NR_ia32_ioperm 101 -#define __NR_ia32_socketcall 102 -#define __NR_ia32_syslog 103 -#define __NR_ia32_setitimer 104 -#define __NR_ia32_getitimer 105 -#define __NR_ia32_stat 106 -#define __NR_ia32_lstat 107 -#define __NR_ia32_fstat 108 -#define __NR_ia32_olduname 109 -#define __NR_ia32_iopl 110 -#define __NR_ia32_vhangup 111 -#define __NR_ia32_idle 112 -#define __NR_ia32_vm86old 113 -#define __NR_ia32_wait4 114 -#define __NR_ia32_swapoff 115 -#define __NR_ia32_sysinfo 116 -#define __NR_ia32_ipc 117 -#define __NR_ia32_fsync 118 -#define __NR_ia32_sigreturn 119 -#define __NR_ia32_clone 120 -#define __NR_ia32_setdomainname 121 -#define __NR_ia32_uname 122 -#define __NR_ia32_modify_ldt 123 -#define __NR_ia32_adjtimex 124 -#define __NR_ia32_mprotect 125 -#define __NR_ia32_sigprocmask 126 -#define __NR_ia32_create_module 127 -#define __NR_ia32_init_module 128 -#define __NR_ia32_delete_module 129 -#define __NR_ia32_get_kernel_syms 130 -#define __NR_ia32_quotactl 131 -#define __NR_ia32_getpgid 132 -#define __NR_ia32_fchdir 133 -#define __NR_ia32_bdflush 134 -#define __NR_ia32_sysfs 135 -#define __NR_ia32_personality 136 -#define __NR_ia32_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_ia32_setfsuid 138 -#define __NR_ia32_setfsgid 139 -#define __NR_ia32__llseek 140 -#define __NR_ia32_getdents 141 -#define __NR_ia32__newselect 142 -#define __NR_ia32_flock 143 -#define __NR_ia32_msync 144 -#define __NR_ia32_readv 145 -#define __NR_ia32_writev 146 -#define __NR_ia32_getsid 147 -#define __NR_ia32_fdatasync 148 -#define __NR_ia32__sysctl 149 -#define __NR_ia32_mlock 150 -#define __NR_ia32_munlock 151 -#define __NR_ia32_mlockall 152 -#define __NR_ia32_munlockall 153 -#define __NR_ia32_sched_setparam 154 -#define __NR_ia32_sched_getparam 155 -#define __NR_ia32_sched_setscheduler 156 -#define __NR_ia32_sched_getscheduler 157 -#define __NR_ia32_sched_yield 158 -#define __NR_ia32_sched_get_priority_max 159 -#define __NR_ia32_sched_get_priority_min 160 -#define __NR_ia32_sched_rr_get_interval 161 -#define __NR_ia32_nanosleep 162 -#define __NR_ia32_mremap 163 -#define __NR_ia32_setresuid 164 -#define __NR_ia32_getresuid 165 -#define __NR_ia32_vm86 166 -#define __NR_ia32_query_module 167 -#define __NR_ia32_poll 168 -#define __NR_ia32_nfsservctl 169 -#define __NR_ia32_setresgid 170 -#define __NR_ia32_getresgid 171 -#define __NR_ia32_prctl 172 +#define __NR_ia32_sigreturn 119 #define __NR_ia32_rt_sigreturn 173 -#define __NR_ia32_rt_sigaction 174 -#define __NR_ia32_rt_sigprocmask 175 -#define __NR_ia32_rt_sigpending 176 -#define __NR_ia32_rt_sigtimedwait 177 -#define __NR_ia32_rt_sigqueueinfo 178 -#define __NR_ia32_rt_sigsuspend 179 -#define __NR_ia32_pread 180 -#define __NR_ia32_pwrite 181 -#define __NR_ia32_chown 182 -#define __NR_ia32_getcwd 183 -#define __NR_ia32_capget 184 -#define __NR_ia32_capset 185 -#define __NR_ia32_sigaltstack 186 -#define __NR_ia32_sendfile 187 -#define __NR_ia32_getpmsg 188 /* some people actually want streams */ -#define __NR_ia32_putpmsg 189 /* some people actually want streams */ -#define __NR_ia32_vfork 190 -#define __NR_ia32_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_ia32_mmap2 192 -#define __NR_ia32_truncate64 193 -#define __NR_ia32_ftruncate64 194 -#define __NR_ia32_stat64 195 -#define __NR_ia32_lstat64 196 -#define __NR_ia32_fstat64 197 -#define __NR_ia32_lchown32 198 -#define __NR_ia32_getuid32 199 -#define __NR_ia32_getgid32 200 -#define __NR_ia32_geteuid32 201 -#define __NR_ia32_getegid32 202 -#define __NR_ia32_setreuid32 203 -#define __NR_ia32_setregid32 204 -#define __NR_ia32_getgroups32 205 -#define __NR_ia32_setgroups32 206 -#define __NR_ia32_fchown32 207 -#define __NR_ia32_setresuid32 208 -#define __NR_ia32_getresuid32 209 -#define __NR_ia32_setresgid32 210 -#define __NR_ia32_getresgid32 211 -#define __NR_ia32_chown32 212 -#define __NR_ia32_setuid32 213 -#define __NR_ia32_setgid32 214 -#define __NR_ia32_setfsuid32 215 -#define __NR_ia32_setfsgid32 216 -#define __NR_ia32_pivot_root 217 -#define __NR_ia32_mincore 218 -#define __NR_ia32_madvise 219 -#define __NR_ia32_madvise1 219 /* delete when C lib stub is removed */ -#define __NR_ia32_getdents64 220 -#define __NR_ia32_fcntl64 221 -#define __NR_ia32_tuxcall 222 -#define __NR_ia32_security 223 -#define __NR_ia32_gettid 224 -#define __NR_ia32_readahead 225 -#define __NR_ia32_setxattr 226 -#define __NR_ia32_lsetxattr 227 -#define __NR_ia32_fsetxattr 228 -#define __NR_ia32_getxattr 229 -#define __NR_ia32_lgetxattr 230 -#define __NR_ia32_fgetxattr 231 -#define __NR_ia32_listxattr 232 -#define __NR_ia32_llistxattr 233 -#define __NR_ia32_flistxattr 234 -#define __NR_ia32_removexattr 235 -#define __NR_ia32_lremovexattr 236 -#define __NR_ia32_fremovexattr 237 -#define __NR_ia32_tkill 238 -#define __NR_ia32_sendfile64 239 -#define __NR_ia32_futex 240 -#define __NR_ia32_sched_setaffinity 241 -#define __NR_ia32_sched_getaffinity 242 -#define __NR_ia32_set_thread_area 243 -#define __NR_ia32_get_thread_area 244 -#define __NR_ia32_io_setup 245 -#define __NR_ia32_io_destroy 246 -#define __NR_ia32_io_getevents 247 -#define __NR_ia32_io_submit 248 -#define __NR_ia32_io_cancel 249 -#define __NR_ia32_exit_group 252 -#define __NR_ia32_lookup_dcookie 253 -#define __NR_ia32_sys_epoll_create 254 -#define __NR_ia32_sys_epoll_ctl 255 -#define __NR_ia32_sys_epoll_wait 256 -#define __NR_ia32_remap_file_pages 257 -#define __NR_ia32_set_tid_address 258 -#define __NR_ia32_timer_create 259 -#define __NR_ia32_timer_settime (__NR_ia32_timer_create+1) -#define __NR_ia32_timer_gettime (__NR_ia32_timer_create+2) -#define __NR_ia32_timer_getoverrun (__NR_ia32_timer_create+3) -#define __NR_ia32_timer_delete (__NR_ia32_timer_create+4) -#define __NR_ia32_clock_settime (__NR_ia32_timer_create+5) -#define __NR_ia32_clock_gettime (__NR_ia32_timer_create+6) -#define __NR_ia32_clock_getres (__NR_ia32_timer_create+7) -#define __NR_ia32_clock_nanosleep (__NR_ia32_timer_create+8) -#define __NR_ia32_statfs64 268 -#define __NR_ia32_fstatfs64 269 -#define __NR_ia32_tgkill 270 -#define __NR_ia32_utimes 271 -#define __NR_ia32_fadvise64_64 272 -#define __NR_ia32_vserver 273 -#define __NR_ia32_mbind 274 -#define __NR_ia32_get_mempolicy 275 -#define __NR_ia32_set_mempolicy 276 -#define __NR_ia32_mq_open 277 -#define __NR_ia32_mq_unlink (__NR_ia32_mq_open+1) -#define __NR_ia32_mq_timedsend (__NR_ia32_mq_open+2) -#define __NR_ia32_mq_timedreceive (__NR_ia32_mq_open+3) -#define __NR_ia32_mq_notify (__NR_ia32_mq_open+4) -#define __NR_ia32_mq_getsetattr (__NR_ia32_mq_open+5) -#define __NR_ia32_kexec 283 -#define __NR_ia32_waitid 284 -/* #define __NR_sys_setaltroot 285 */ -#define __NR_ia32_add_key 286 -#define __NR_ia32_request_key 287 -#define __NR_ia32_keyctl 288 -#define __NR_ia32_ioprio_set 289 -#define __NR_ia32_ioprio_get 290 -#define __NR_ia32_inotify_init 291 -#define __NR_ia32_inotify_add_watch 292 -#define __NR_ia32_inotify_rm_watch 293 -#define __NR_ia32_migrate_pages 294 -#define __NR_ia32_openat 295 -#define __NR_ia32_mkdirat 296 -#define __NR_ia32_mknodat 297 -#define __NR_ia32_fchownat 298 -#define __NR_ia32_futimesat 299 -#define __NR_ia32_fstatat64 300 -#define __NR_ia32_unlinkat 301 -#define __NR_ia32_renameat 302 -#define __NR_ia32_linkat 303 -#define __NR_ia32_symlinkat 304 -#define __NR_ia32_readlinkat 305 -#define __NR_ia32_fchmodat 306 -#define __NR_ia32_faccessat 307 -#define __NR_ia32_pselect6 308 -#define __NR_ia32_ppoll 309 -#define __NR_ia32_unshare 310 #endif /* _ASM_X86_64_IA32_UNISTD_H_ */ diff --git a/include/asm-x86_64/intel_arch_perfmon.h b/include/asm-x86_64/intel_arch_perfmon.h new file mode 100644 index 000000000000..59c396431569 --- /dev/null +++ b/include/asm-x86_64/intel_arch_perfmon.h @@ -0,0 +1,19 @@ +#ifndef X86_64_INTEL_ARCH_PERFMON_H +#define X86_64_INTEL_ARCH_PERFMON_H 1 + +#define MSR_ARCH_PERFMON_PERFCTR0 0xc1 +#define MSR_ARCH_PERFMON_PERFCTR1 0xc2 + +#define MSR_ARCH_PERFMON_EVENTSEL0 0x186 +#define MSR_ARCH_PERFMON_EVENTSEL1 0x187 + +#define ARCH_PERFMON_EVENTSEL0_ENABLE (1 << 22) +#define ARCH_PERFMON_EVENTSEL_INT (1 << 20) +#define ARCH_PERFMON_EVENTSEL_OS (1 << 17) +#define ARCH_PERFMON_EVENTSEL_USR (1 << 16) + +#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL (0x3c) +#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK (0x00 << 8) +#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT (1 << 0) + +#endif /* X86_64_INTEL_ARCH_PERFMON_H */ diff --git a/include/asm-x86_64/irqflags.h b/include/asm-x86_64/irqflags.h new file mode 100644 index 000000000000..cce6937e87c0 --- /dev/null +++ b/include/asm-x86_64/irqflags.h @@ -0,0 +1,141 @@ +/* + * include/asm-x86_64/irqflags.h + * + * IRQ flags handling + * + * This file gets included from lowlevel asm headers too, to provide + * wrapped versions of the local_irq_*() APIs, based on the + * raw_local_irq_*() functions from the lowlevel headers. + */ +#ifndef _ASM_IRQFLAGS_H +#define _ASM_IRQFLAGS_H + +#ifndef __ASSEMBLY__ +/* + * Interrupt control: + */ + +static inline unsigned long __raw_local_save_flags(void) +{ + unsigned long flags; + + __asm__ __volatile__( + "# __raw_save_flags\n\t" + "pushfq ; popq %q0" + : "=g" (flags) + : /* no input */ + : "memory" + ); + + return flags; +} + +#define raw_local_save_flags(flags) \ + do { (flags) = __raw_local_save_flags(); } while (0) + +static inline void raw_local_irq_restore(unsigned long flags) +{ + __asm__ __volatile__( + "pushq %0 ; popfq" + : /* no output */ + :"g" (flags) + :"memory", "cc" + ); +} + +#ifdef CONFIG_X86_VSMP + +/* + * Interrupt control for the VSMP architecture: + */ + +static inline void raw_local_irq_disable(void) +{ + unsigned long flags = __raw_local_save_flags(); + + raw_local_irq_restore((flags & ~(1 << 9)) | (1 << 18)); +} + +static inline void raw_local_irq_enable(void) +{ + unsigned long flags = __raw_local_save_flags(); + + raw_local_irq_restore((flags | (1 << 9)) & ~(1 << 18)); +} + +static inline int raw_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & (1<<9)) || (flags & (1 << 18)); +} + +#else /* CONFIG_X86_VSMP */ + +static inline void raw_local_irq_disable(void) +{ + __asm__ __volatile__("cli" : : : "memory"); +} + +static inline void raw_local_irq_enable(void) +{ + __asm__ __volatile__("sti" : : : "memory"); +} + +static inline int raw_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & (1 << 9)); +} + +#endif + +/* + * For spinlocks, etc.: + */ + +static inline unsigned long __raw_local_irq_save(void) +{ + unsigned long flags = __raw_local_save_flags(); + + raw_local_irq_disable(); + + return flags; +} + +#define raw_local_irq_save(flags) \ + do { (flags) = __raw_local_irq_save(); } while (0) + +static inline int raw_irqs_disabled(void) +{ + unsigned long flags = __raw_local_save_flags(); + + return raw_irqs_disabled_flags(flags); +} + +/* + * Used in the idle loop; sti takes one instruction cycle + * to complete: + */ +static inline void raw_safe_halt(void) +{ + __asm__ __volatile__("sti; hlt" : : : "memory"); +} + +/* + * Used when interrupts are already enabled or to + * shutdown the processor: + */ +static inline void halt(void) +{ + __asm__ __volatile__("hlt": : :"memory"); +} + +#else /* __ASSEMBLY__: */ +# ifdef CONFIG_TRACE_IRQFLAGS +# define TRACE_IRQS_ON call trace_hardirqs_on_thunk +# define TRACE_IRQS_OFF call trace_hardirqs_off_thunk +# else +# define TRACE_IRQS_ON +# define TRACE_IRQS_OFF +# endif +#endif + +#endif diff --git a/include/asm-x86_64/k8.h b/include/asm-x86_64/k8.h new file mode 100644 index 000000000000..699dd6961eda --- /dev/null +++ b/include/asm-x86_64/k8.h @@ -0,0 +1,14 @@ +#ifndef _ASM_K8_H +#define _ASM_K8_H 1 + +#include <linux/pci.h> + +extern struct pci_device_id k8_nb_ids[]; + +extern int early_is_k8_nb(u32 value); +extern struct pci_dev **k8_northbridges; +extern int num_k8_northbridges; +extern int cache_k8_northbridges(void); +extern void k8_flush_garts(void); + +#endif diff --git a/include/asm-x86_64/kdebug.h b/include/asm-x86_64/kdebug.h index cf795631d9b4..2b0c088e2957 100644 --- a/include/asm-x86_64/kdebug.h +++ b/include/asm-x86_64/kdebug.h @@ -15,6 +15,8 @@ struct die_args { extern int register_die_notifier(struct notifier_block *); extern int unregister_die_notifier(struct notifier_block *); +extern int register_page_fault_notifier(struct notifier_block *); +extern int unregister_page_fault_notifier(struct notifier_block *); extern struct atomic_notifier_head die_chain; /* Grossly misnamed. */ @@ -47,7 +49,7 @@ static inline int notify_die(enum die_val val, const char *str, return atomic_notifier_call_chain(&die_chain, val, &args); } -extern int printk_address(unsigned long address); +extern void printk_address(unsigned long address); extern void die(const char *,struct pt_regs *,long); extern void __die(const char *,struct pt_regs *,long); extern void show_registers(struct pt_regs *regs); diff --git a/include/asm-x86_64/kprobes.h b/include/asm-x86_64/kprobes.h index 98a1e95ddb98..d36febd9bb18 100644 --- a/include/asm-x86_64/kprobes.h +++ b/include/asm-x86_64/kprobes.h @@ -43,6 +43,7 @@ typedef u8 kprobe_opcode_t; #define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry #define ARCH_SUPPORTS_KRETPROBES +#define ARCH_INACTIVE_KPROBE_COUNT 1 void kretprobe_trampoline(void); extern void arch_remove_kprobe(struct kprobe *p); diff --git a/include/asm-x86_64/local.h b/include/asm-x86_64/local.h index cd17945bf218..e769e6200225 100644 --- a/include/asm-x86_64/local.h +++ b/include/asm-x86_64/local.h @@ -59,12 +59,26 @@ static inline void local_sub(long i, local_t *v) * This could be done better if we moved the per cpu data directly * after GS. */ -#define cpu_local_read(v) local_read(&__get_cpu_var(v)) -#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i)) -#define cpu_local_inc(v) local_inc(&__get_cpu_var(v)) -#define cpu_local_dec(v) local_dec(&__get_cpu_var(v)) -#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v)) -#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v)) + +/* Need to disable preemption for the cpu local counters otherwise we could + still access a variable of a previous CPU in a non atomic way. */ +#define cpu_local_wrap_v(v) \ + ({ local_t res__; \ + preempt_disable(); \ + res__ = (v); \ + preempt_enable(); \ + res__; }) +#define cpu_local_wrap(v) \ + ({ preempt_disable(); \ + v; \ + preempt_enable(); }) \ + +#define cpu_local_read(v) cpu_local_wrap_v(local_read(&__get_cpu_var(v))) +#define cpu_local_set(v, i) cpu_local_wrap(local_set(&__get_cpu_var(v), (i))) +#define cpu_local_inc(v) cpu_local_wrap(local_inc(&__get_cpu_var(v))) +#define cpu_local_dec(v) cpu_local_wrap(local_dec(&__get_cpu_var(v))) +#define cpu_local_add(i, v) cpu_local_wrap(local_add((i), &__get_cpu_var(v))) +#define cpu_local_sub(i, v) cpu_local_wrap(local_sub((i), &__get_cpu_var(v))) #define __cpu_local_inc(v) cpu_local_inc(v) #define __cpu_local_dec(v) cpu_local_dec(v) diff --git a/include/asm-x86_64/mce.h b/include/asm-x86_64/mce.h index 7229785094e3..d13687dfd691 100644 --- a/include/asm-x86_64/mce.h +++ b/include/asm-x86_64/mce.h @@ -67,13 +67,22 @@ struct mce_log { /* Software defined banks */ #define MCE_EXTENDED_BANK 128 #define MCE_THERMAL_BANK MCE_EXTENDED_BANK + 0 -#define MCE_THRESHOLD_BASE MCE_EXTENDED_BANK + 1 /* MCE_AMD */ -#define MCE_THRESHOLD_DRAM_ECC MCE_THRESHOLD_BASE + 4 + +#define K8_MCE_THRESHOLD_BASE (MCE_EXTENDED_BANK + 1) /* MCE_AMD */ +#define K8_MCE_THRESHOLD_BANK_0 (MCE_THRESHOLD_BASE + 0 * 9) +#define K8_MCE_THRESHOLD_BANK_1 (MCE_THRESHOLD_BASE + 1 * 9) +#define K8_MCE_THRESHOLD_BANK_2 (MCE_THRESHOLD_BASE + 2 * 9) +#define K8_MCE_THRESHOLD_BANK_3 (MCE_THRESHOLD_BASE + 3 * 9) +#define K8_MCE_THRESHOLD_BANK_4 (MCE_THRESHOLD_BASE + 4 * 9) +#define K8_MCE_THRESHOLD_BANK_5 (MCE_THRESHOLD_BASE + 5 * 9) +#define K8_MCE_THRESHOLD_DRAM_ECC (MCE_THRESHOLD_BANK_4 + 0) #ifdef __KERNEL__ #include <asm/atomic.h> void mce_log(struct mce *m); +DECLARE_PER_CPU(struct sys_device, device_mce); + #ifdef CONFIG_X86_MCE_INTEL void mce_intel_feature_init(struct cpuinfo_x86 *c); #else diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h index 70bb9969766e..c38ebdf6f426 100644 --- a/include/asm-x86_64/mmzone.h +++ b/include/asm-x86_64/mmzone.h @@ -42,7 +42,6 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) #ifdef CONFIG_DISCONTIGMEM #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT) -#define kvaddr_to_nid(kaddr) phys_to_nid(__pa(kaddr)) extern int pfn_valid(unsigned long pfn); #endif diff --git a/include/asm-x86_64/msi.h b/include/asm-x86_64/msi.h index 356e0e82f50b..3ad2346624b2 100644 --- a/include/asm-x86_64/msi.h +++ b/include/asm-x86_64/msi.h @@ -10,7 +10,15 @@ #include <asm/mach_apic.h> #include <asm/smp.h> -#define LAST_DEVICE_VECTOR 232 +#define LAST_DEVICE_VECTOR (FIRST_SYSTEM_VECTOR - 1) #define MSI_TARGET_CPU_SHIFT 12 +extern struct msi_ops msi_apic_ops; + +static inline int msi_arch_init(void) +{ + msi_register(&msi_apic_ops); + return 0; +} + #endif /* ASM_MSI_H */ diff --git a/include/asm-x86_64/mutex.h b/include/asm-x86_64/mutex.h index 11fbee2bd6c0..06fab6de2a88 100644 --- a/include/asm-x86_64/mutex.h +++ b/include/asm-x86_64/mutex.h @@ -24,7 +24,7 @@ do { \ typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \ \ __asm__ __volatile__( \ - LOCK " decl (%%rdi) \n" \ + LOCK_PREFIX " decl (%%rdi) \n" \ " js 2f \n" \ "1: \n" \ \ @@ -74,7 +74,7 @@ do { \ typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \ \ __asm__ __volatile__( \ - LOCK " incl (%%rdi) \n" \ + LOCK_PREFIX " incl (%%rdi) \n" \ " jle 2f \n" \ "1: \n" \ \ diff --git a/include/asm-x86_64/nmi.h b/include/asm-x86_64/nmi.h index d3abfc6a8fd5..efb45c894d76 100644 --- a/include/asm-x86_64/nmi.h +++ b/include/asm-x86_64/nmi.h @@ -5,26 +5,27 @@ #define ASM_NMI_H #include <linux/pm.h> +#include <asm/io.h> struct pt_regs; - + typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu); - -/** + +/** * set_nmi_callback * * Set a handler for an NMI. Only one handler may be * set. Return 1 if the NMI was handled. */ void set_nmi_callback(nmi_callback_t callback); - -/** + +/** * unset_nmi_callback * * Remove the handler previously set. */ void unset_nmi_callback(void); - + #ifdef CONFIG_PM /** Replace the PM callback routine for NMI. */ @@ -56,4 +57,21 @@ extern int unknown_nmi_panic; extern int check_nmi_watchdog(void); +extern void setup_apic_nmi_watchdog (void); +extern int reserve_lapic_nmi(void); +extern void release_lapic_nmi(void); +extern void disable_timer_nmi_watchdog(void); +extern void enable_timer_nmi_watchdog(void); +extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); + +extern void nmi_watchdog_default(void); +extern int setup_nmi_watchdog(char *); + +extern unsigned int nmi_watchdog; +#define NMI_DEFAULT -1 +#define NMI_NONE 0 +#define NMI_IO_APIC 1 +#define NMI_LOCAL_APIC 2 +#define NMI_INVALID 3 + #endif /* ASM_NMI_H */ diff --git a/include/asm-x86_64/numa.h b/include/asm-x86_64/numa.h index 1cc92fe02503..933ff11ece15 100644 --- a/include/asm-x86_64/numa.h +++ b/include/asm-x86_64/numa.h @@ -8,7 +8,6 @@ struct bootnode { }; extern int compute_hash_shift(struct bootnode *nodes, int numnodes); -extern int pxm_to_node(int nid); #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT)) diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h index 2db0620d5449..49c5e9280598 100644 --- a/include/asm-x86_64/pci.h +++ b/include/asm-x86_64/pci.h @@ -39,8 +39,8 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); #include <asm/scatterlist.h> #include <linux/string.h> #include <asm/page.h> -#include <linux/dma-mapping.h> /* for have_iommu */ +extern void pci_iommu_alloc(void); extern int iommu_setup(char *opt); /* The PCI address space does equal the physical memory @@ -52,7 +52,7 @@ extern int iommu_setup(char *opt); */ #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) -#ifdef CONFIG_GART_IOMMU +#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU) /* * x86-64 always supports DAC, but sometimes it is useful to force diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h index 7f33aaf9f7b1..08dd9f9dda81 100644 --- a/include/asm-x86_64/percpu.h +++ b/include/asm-x86_64/percpu.h @@ -14,6 +14,8 @@ #define __per_cpu_offset(cpu) (cpu_pda(cpu)->data_offset) #define __my_cpu_offset() read_pda(data_offset) +#define per_cpu_offset(x) (__per_cpu_offset(x)) + /* Separate out the type, so (int[3], foo) works. */ #define DEFINE_PER_CPU(type, name) \ __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name @@ -21,6 +23,7 @@ /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu))) #define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __my_cpu_offset())) +#define __raw_get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __my_cpu_offset())) /* A macro to avoid #include hell... */ #define percpu_modcopy(pcpudst, src, size) \ @@ -40,6 +43,7 @@ extern void setup_per_cpu_areas(void); #define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var)) #define __get_cpu_var(var) per_cpu__##var +#define __raw_get_cpu_var(var) per_cpu__##var #endif /* SMP */ diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index 31e83c3bd022..a31ab4e68a9b 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -337,14 +337,8 @@ static inline int pmd_large(pmd_t pte) { /* to find an entry in a page-table-directory. */ #define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1)) #define pud_offset(pgd, address) ((pud_t *) pgd_page(*(pgd)) + pud_index(address)) -#define pud_offset_k(pgd, addr) pud_offset(pgd, addr) #define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT) -static inline pud_t *__pud_offset_k(pud_t *pud, unsigned long address) -{ - return pud + pud_index(address); -} - /* PMD - Level 2 access */ #define pmd_page_kernel(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK)) #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h index 3061a38a3b1d..3b3c1217fe61 100644 --- a/include/asm-x86_64/processor.h +++ b/include/asm-x86_64/processor.h @@ -69,7 +69,11 @@ struct cpuinfo_x86 { cpumask_t llc_shared_map; /* cpus sharing the last level cache */ #endif __u8 apicid; +#ifdef CONFIG_SMP __u8 booted_cores; /* number of cores as seen by OS */ + __u8 phys_proc_id; /* Physical Processor id. */ + __u8 cpu_core_id; /* Core id. */ +#endif } ____cacheline_aligned; #define X86_VENDOR_INTEL 0 @@ -96,6 +100,7 @@ extern char ignore_irq13; extern void identify_cpu(struct cpuinfo_x86 *); extern void print_cpu_info(struct cpuinfo_x86 *); extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); +extern unsigned short num_cache_leaves; /* * EFLAGS bits diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h index 8abf2a43c944..038fe1f47e6f 100644 --- a/include/asm-x86_64/proto.h +++ b/include/asm-x86_64/proto.h @@ -37,7 +37,6 @@ extern void ia32_sysenter_target(void); extern void config_acpi_tables(void); extern void ia32_syscall(void); -extern void iommu_hole_init(void); extern int pmtimer_mark_offset(void); extern void pmtimer_resume(void); @@ -75,7 +74,7 @@ extern void main_timer_handler(struct pt_regs *regs); extern unsigned long end_pfn_map; -extern void show_trace(unsigned long * rsp); +extern void show_trace(struct task_struct *, struct pt_regs *, unsigned long * rsp); extern void show_registers(struct pt_regs *regs); extern void exception_table_check(void); @@ -101,13 +100,9 @@ extern int unsynchronized_tsc(void); extern void select_idle_routine(const struct cpuinfo_x86 *c); -extern void gart_parse_options(char *); -extern void __init no_iommu_init(void); - extern unsigned long table_start, table_end; extern int exception_trace; -extern int force_iommu, no_iommu; extern int using_apic_timer; extern int disable_apic; extern unsigned cpu_khz; @@ -116,7 +111,13 @@ extern int skip_ioapic_setup; extern int acpi_ht; extern int acpi_disabled; -#ifdef CONFIG_GART_IOMMU +extern void no_iommu_init(void); +extern int force_iommu, no_iommu; +extern int iommu_detected; +#ifdef CONFIG_IOMMU +extern void gart_iommu_init(void); +extern void gart_parse_options(char *); +extern void iommu_hole_init(void); extern int fallback_aper_order; extern int fallback_aper_force; extern int iommu_aperture; diff --git a/include/asm-x86_64/rwlock.h b/include/asm-x86_64/rwlock.h index 9942cc393064..dea0e9459264 100644 --- a/include/asm-x86_64/rwlock.h +++ b/include/asm-x86_64/rwlock.h @@ -24,7 +24,7 @@ #define RW_LOCK_BIAS_STR "0x01000000" #define __build_read_lock_ptr(rw, helper) \ - asm volatile(LOCK "subl $1,(%0)\n\t" \ + asm volatile(LOCK_PREFIX "subl $1,(%0)\n\t" \ "js 2f\n" \ "1:\n" \ LOCK_SECTION_START("") \ @@ -34,7 +34,7 @@ ::"a" (rw) : "memory") #define __build_read_lock_const(rw, helper) \ - asm volatile(LOCK "subl $1,%0\n\t" \ + asm volatile(LOCK_PREFIX "subl $1,%0\n\t" \ "js 2f\n" \ "1:\n" \ LOCK_SECTION_START("") \ @@ -54,7 +54,7 @@ } while (0) #define __build_write_lock_ptr(rw, helper) \ - asm volatile(LOCK "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ + asm volatile(LOCK_PREFIX "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ "jnz 2f\n" \ "1:\n" \ LOCK_SECTION_START("") \ @@ -64,7 +64,7 @@ ::"a" (rw) : "memory") #define __build_write_lock_const(rw, helper) \ - asm volatile(LOCK "subl $" RW_LOCK_BIAS_STR ",%0\n\t" \ + asm volatile(LOCK_PREFIX "subl $" RW_LOCK_BIAS_STR ",%0\n\t" \ "jnz 2f\n" \ "1:\n" \ LOCK_SECTION_START("") \ diff --git a/include/asm-x86_64/semaphore.h b/include/asm-x86_64/semaphore.h index a389aa6fe80f..064df08b9a0f 100644 --- a/include/asm-x86_64/semaphore.h +++ b/include/asm-x86_64/semaphore.h @@ -106,7 +106,7 @@ static inline void down(struct semaphore * sem) __asm__ __volatile__( "# atomic down operation\n\t" - LOCK "decl %0\n\t" /* --sem->count */ + LOCK_PREFIX "decl %0\n\t" /* --sem->count */ "js 2f\n" "1:\n" LOCK_SECTION_START("") @@ -130,7 +130,7 @@ static inline int down_interruptible(struct semaphore * sem) __asm__ __volatile__( "# atomic interruptible down operation\n\t" - LOCK "decl %1\n\t" /* --sem->count */ + LOCK_PREFIX "decl %1\n\t" /* --sem->count */ "js 2f\n\t" "xorl %0,%0\n" "1:\n" @@ -154,7 +154,7 @@ static inline int down_trylock(struct semaphore * sem) __asm__ __volatile__( "# atomic interruptible down operation\n\t" - LOCK "decl %1\n\t" /* --sem->count */ + LOCK_PREFIX "decl %1\n\t" /* --sem->count */ "js 2f\n\t" "xorl %0,%0\n" "1:\n" @@ -178,7 +178,7 @@ static inline void up(struct semaphore * sem) { __asm__ __volatile__( "# atomic up operation\n\t" - LOCK "incl %0\n\t" /* ++sem->count */ + LOCK_PREFIX "incl %0\n\t" /* ++sem->count */ "jle 2f\n" "1:\n" LOCK_SECTION_START("") diff --git a/include/asm-x86_64/signal.h b/include/asm-x86_64/signal.h index f8d55798535a..cef7a7d51b7e 100644 --- a/include/asm-x86_64/signal.h +++ b/include/asm-x86_64/signal.h @@ -83,7 +83,6 @@ typedef unsigned long sigset_t; * SA_FLAGS values: * * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the * SA_RESTART flag to get restarting signals (which were the default long ago) * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. * SA_RESETHAND clears the handler when the signal is delivered. @@ -103,7 +102,6 @@ typedef unsigned long sigset_t; #define SA_NOMASK SA_NODEFER #define SA_ONESHOT SA_RESETHAND -#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ #define SA_RESTORER 0x04000000 diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h index 7686b9b25aef..6805e1feb300 100644 --- a/include/asm-x86_64/smp.h +++ b/include/asm-x86_64/smp.h @@ -53,8 +53,6 @@ extern int smp_call_function_single(int cpuid, void (*func) (void *info), extern cpumask_t cpu_sibling_map[NR_CPUS]; extern cpumask_t cpu_core_map[NR_CPUS]; -extern u8 phys_proc_id[NR_CPUS]; -extern u8 cpu_core_id[NR_CPUS]; extern u8 cpu_llc_id[NR_CPUS]; #define SMP_TRAMPOLINE_BASE 0x6000 diff --git a/include/asm-x86_64/socket.h b/include/asm-x86_64/socket.h index f2cdbeae5d5b..b46702607933 100644 --- a/include/asm-x86_64/socket.h +++ b/include/asm-x86_64/socket.h @@ -48,5 +48,6 @@ #define SO_ACCEPTCONN 30 #define SO_PEERSEC 31 +#define SO_PASSSEC 34 #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h index 5d8a5e3589ff..8d3421996f94 100644 --- a/include/asm-x86_64/spinlock.h +++ b/include/asm-x86_64/spinlock.h @@ -31,15 +31,19 @@ "jmp 1b\n" \ LOCK_SECTION_END +#define __raw_spin_lock_string_up \ + "\n\tdecl %0" + #define __raw_spin_unlock_string \ "movl $1,%0" \ :"=m" (lock->slock) : : "memory" static inline void __raw_spin_lock(raw_spinlock_t *lock) { - __asm__ __volatile__( - __raw_spin_lock_string - :"=m" (lock->slock) : : "memory"); + alternative_smp( + __raw_spin_lock_string, + __raw_spin_lock_string_up, + "=m" (lock->slock) : : "memory"); } #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) diff --git a/include/asm-x86_64/string.h b/include/asm-x86_64/string.h index ee6bf275349e..9505d9f4bead 100644 --- a/include/asm-x86_64/string.h +++ b/include/asm-x86_64/string.h @@ -6,7 +6,8 @@ /* Written 2002 by Andi Kleen */ /* Only used for special circumstances. Stolen from i386/string.h */ -static inline void * __inline_memcpy(void * to, const void * from, size_t n) +static __always_inline void * +__inline_memcpy(void * to, const void * from, size_t n) { unsigned long d0, d1, d2; __asm__ __volatile__( diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h index f48e0dad8b3d..f67f2873a922 100644 --- a/include/asm-x86_64/system.h +++ b/include/asm-x86_64/system.h @@ -3,15 +3,10 @@ #include <linux/kernel.h> #include <asm/segment.h> +#include <asm/alternative.h> #ifdef __KERNEL__ -#ifdef CONFIG_SMP -#define LOCK_PREFIX "lock ; " -#else -#define LOCK_PREFIX "" -#endif - #define __STR(x) #x #define STR(x) __STR(x) @@ -34,7 +29,7 @@ "thread_return:\n\t" \ "movq %%gs:%P[pda_pcurrent],%%rsi\n\t" \ "movq %P[thread_info](%%rsi),%%r8\n\t" \ - LOCK "btr %[tif_fork],%P[ti_flags](%%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" \ RESTORE_CONTEXT \ @@ -69,82 +64,6 @@ extern void load_gs_index(unsigned); ".previous" \ : :"r" (value), "r" (0)) -#ifdef __KERNEL__ -struct alt_instr { - __u8 *instr; /* original instruction */ - __u8 *replacement; - __u8 cpuid; /* cpuid bit set for replacement */ - __u8 instrlen; /* length of original instruction */ - __u8 replacementlen; /* length of new instruction, <= instrlen */ - __u8 pad[5]; -}; -#endif - -/* - * Alternative instructions for different CPU types or capabilities. - * - * This allows to use optimized instructions even on generic binary - * kernels. - * - * length of oldinstr must be longer or equal the length of newinstr - * It can be padded with nops as needed. - * - * For non barrier like inlines please define new variants - * without volatile and memory clobber. - */ -#define alternative(oldinstr, newinstr, feature) \ - asm volatile ("661:\n\t" oldinstr "\n662:\n" \ - ".section .altinstructions,\"a\"\n" \ - " .align 8\n" \ - " .quad 661b\n" /* label */ \ - " .quad 663f\n" /* new instruction */ \ - " .byte %c0\n" /* feature bit */ \ - " .byte 662b-661b\n" /* sourcelen */ \ - " .byte 664f-663f\n" /* replacementlen */ \ - ".previous\n" \ - ".section .altinstr_replacement,\"ax\"\n" \ - "663:\n\t" newinstr "\n664:\n" /* replacement */ \ - ".previous" :: "i" (feature) : "memory") - -/* - * Alternative inline assembly with input. - * - * Peculiarities: - * No memory clobber here. - * Argument numbers start with 1. - * Best is to use constraints that are fixed size (like (%1) ... "r") - * If you use variable sized constraints like "m" or "g" in the - * replacement make sure to pad to the worst case length. - */ -#define alternative_input(oldinstr, newinstr, feature, input...) \ - asm volatile ("661:\n\t" oldinstr "\n662:\n" \ - ".section .altinstructions,\"a\"\n" \ - " .align 8\n" \ - " .quad 661b\n" /* label */ \ - " .quad 663f\n" /* new instruction */ \ - " .byte %c0\n" /* feature bit */ \ - " .byte 662b-661b\n" /* sourcelen */ \ - " .byte 664f-663f\n" /* replacementlen */ \ - ".previous\n" \ - ".section .altinstr_replacement,\"ax\"\n" \ - "663:\n\t" newinstr "\n664:\n" /* replacement */ \ - ".previous" :: "i" (feature), ##input) - -/* Like alternative_input, but with a single output argument */ -#define alternative_io(oldinstr, newinstr, feature, output, input...) \ - asm volatile ("661:\n\t" oldinstr "\n662:\n" \ - ".section .altinstructions,\"a\"\n" \ - " .align 8\n" \ - " .quad 661b\n" /* label */ \ - " .quad 663f\n" /* new instruction */ \ - " .byte %c[feat]\n" /* feature bit */ \ - " .byte 662b-661b\n" /* sourcelen */ \ - " .byte 664f-663f\n" /* replacementlen */ \ - ".previous\n" \ - ".section .altinstr_replacement,\"ax\"\n" \ - "663:\n\t" newinstr "\n664:\n" /* replacement */ \ - ".previous" : output : [feat] "i" (feature), ##input) - /* * Clear and set 'TS' bit respectively */ @@ -325,46 +244,11 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define warn_if_not_ulong(x) do { unsigned long foo; (void) (&(x) == &foo); } while (0) -/* interrupt control.. */ -#define local_save_flags(x) do { warn_if_not_ulong(x); __asm__ __volatile__("# save_flags \n\t pushfq ; popq %q0":"=g" (x): /* no input */ :"memory"); } while (0) -#define local_irq_restore(x) __asm__ __volatile__("# restore_flags \n\t pushq %0 ; popfq": /* no output */ :"g" (x):"memory", "cc") - -#ifdef CONFIG_X86_VSMP -/* Interrupt control for VSMP architecture */ -#define local_irq_disable() do { unsigned long flags; local_save_flags(flags); local_irq_restore((flags & ~(1 << 9)) | (1 << 18)); } while (0) -#define local_irq_enable() do { unsigned long flags; local_save_flags(flags); local_irq_restore((flags | (1 << 9)) & ~(1 << 18)); } while (0) - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - local_save_flags(flags); \ - (flags & (1<<18)) || !(flags & (1<<9)); \ -}) - -/* For spinlocks etc */ -#define local_irq_save(x) do { local_save_flags(x); local_irq_restore((x & ~(1 << 9)) | (1 << 18)); } while (0) -#else /* CONFIG_X86_VSMP */ -#define local_irq_disable() __asm__ __volatile__("cli": : :"memory") -#define local_irq_enable() __asm__ __volatile__("sti": : :"memory") - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - local_save_flags(flags); \ - !(flags & (1<<9)); \ -}) - -/* For spinlocks etc */ -#define local_irq_save(x) do { warn_if_not_ulong(x); __asm__ __volatile__("# local_irq_save \n\t pushfq ; popq %0 ; cli":"=g" (x): /* no input */ :"memory"); } while (0) -#endif - -/* used in the idle loop; sti takes one instruction cycle to complete */ -#define safe_halt() __asm__ __volatile__("sti; hlt": : :"memory") -/* used when interrupts are already enabled or to shutdown the processor */ -#define halt() __asm__ __volatile__("hlt": : :"memory") +#include <linux/irqflags.h> void cpu_idle_wait(void); extern unsigned long arch_align_stack(unsigned long sp); +extern void free_init_pages(char *what, unsigned long begin, unsigned long end); #endif diff --git a/include/asm-x86_64/tce.h b/include/asm-x86_64/tce.h new file mode 100644 index 000000000000..ee51d31528d6 --- /dev/null +++ b/include/asm-x86_64/tce.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2006 Muli Ben-Yehuda <muli@il.ibm.com>, IBM Corporation + * Copyright (C) 2006 Jon Mason <jdmason@us.ibm.com>, IBM Corporation + * + * This file is derived from asm-powerpc/tce.h. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _ASM_X86_64_TCE_H +#define _ASM_X86_64_TCE_H + +extern void* tce_table_kva[]; +extern unsigned int specified_table_size; +struct iommu_table; + +#define TCE_ENTRY_SIZE 8 /* in bytes */ + +#define TCE_READ_SHIFT 0 +#define TCE_WRITE_SHIFT 1 +#define TCE_HUBID_SHIFT 2 /* unused */ +#define TCE_RSVD_SHIFT 8 /* unused */ +#define TCE_RPN_SHIFT 12 +#define TCE_UNUSED_SHIFT 48 /* unused */ + +#define TCE_RPN_MASK 0x0000fffffffff000ULL + +extern void tce_build(struct iommu_table *tbl, unsigned long index, + unsigned int npages, unsigned long uaddr, int direction); +extern void tce_free(struct iommu_table *tbl, long index, unsigned int npages); +extern void* alloc_tce_table(void); +extern void free_tce_table(void *tbl); +extern int build_tce_table(struct pci_dev *dev, void __iomem *bbar); + +#endif /* _ASM_X86_64_TCE_H */ diff --git a/include/asm-x86_64/thread_info.h b/include/asm-x86_64/thread_info.h index 4ac0e0a36934..2029b00351f3 100644 --- a/include/asm-x86_64/thread_info.h +++ b/include/asm-x86_64/thread_info.h @@ -73,8 +73,21 @@ static inline struct thread_info *stack_thread_info(void) } /* thread information allocation */ +#ifdef CONFIG_DEBUG_STACK_USAGE +#define alloc_thread_info(tsk) \ + ({ \ + struct thread_info *ret; \ + \ + ret = ((struct thread_info *) __get_free_pages(GFP_KERNEL,THREAD_ORDER)); \ + if (ret) \ + memset(ret, 0, THREAD_SIZE); \ + ret; \ + }) +#else #define alloc_thread_info(tsk) \ ((struct thread_info *) __get_free_pages(GFP_KERNEL,THREAD_ORDER)) +#endif + #define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_ORDER) #else /* !__ASSEMBLY__ */ @@ -101,7 +114,7 @@ static inline struct thread_info *stack_thread_info(void) #define TIF_IRET 5 /* force IRET */ #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_SECCOMP 8 /* secure computing */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ +/* 16 free */ #define TIF_IA32 17 /* 32bit process */ #define TIF_FORK 18 /* ret_from_fork */ #define TIF_ABI_PENDING 19 @@ -115,7 +128,6 @@ static inline struct thread_info *stack_thread_info(void) #define _TIF_IRET (1<<TIF_IRET) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1<<TIF_SECCOMP) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_IA32 (1<<TIF_IA32) #define _TIF_FORK (1<<TIF_FORK) #define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) @@ -137,6 +149,9 @@ static inline struct thread_info *stack_thread_info(void) */ #define TS_USEDFPU 0x0001 /* FPU was used by this task this quantum (SMP) */ #define TS_COMPAT 0x0002 /* 32bit syscall active */ +#define TS_POLLING 0x0004 /* true if in idle loop and not sleeping */ + +#define tsk_is_polling(t) ((t)->thread_info->status & TS_POLLING) #endif /* __KERNEL__ */ diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h index 80c4e44d011c..6e7a2e976b04 100644 --- a/include/asm-x86_64/topology.h +++ b/include/asm-x86_64/topology.h @@ -7,8 +7,6 @@ #include <asm/mpspec.h> #include <asm/bitops.h> -/* Map the K8 CPU local memory controllers to a simple 1:1 CPU:NODE topology */ - extern cpumask_t cpu_online_map; extern unsigned char cpu_to_node[]; @@ -57,12 +55,12 @@ extern int __node_distance(int, int); #endif #ifdef CONFIG_SMP -#define topology_physical_package_id(cpu) \ - (phys_proc_id[cpu] == BAD_APICID ? -1 : phys_proc_id[cpu]) -#define topology_core_id(cpu) \ - (cpu_core_id[cpu] == BAD_APICID ? 0 : cpu_core_id[cpu]) +#define topology_physical_package_id(cpu) (cpu_data[cpu].phys_proc_id) +#define topology_core_id(cpu) (cpu_data[cpu].cpu_core_id) #define topology_core_siblings(cpu) (cpu_core_map[cpu]) #define topology_thread_siblings(cpu) (cpu_sibling_map[cpu]) +#define mc_capable() (boot_cpu_data.x86_max_cores > 1) +#define smt_capable() (smp_num_siblings > 1) #endif #include <asm-generic/topology.h> diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h index 0aff22bdbb21..94387c915e53 100644 --- a/include/asm-x86_64/unistd.h +++ b/include/asm-x86_64/unistd.h @@ -617,10 +617,12 @@ __SYSCALL(__NR_tee, sys_tee) __SYSCALL(__NR_sync_file_range, sys_sync_file_range) #define __NR_vmsplice 278 __SYSCALL(__NR_vmsplice, sys_vmsplice) +#define __NR_move_pages 279 +__SYSCALL(__NR_move_pages, sys_move_pages) #ifdef __KERNEL__ -#define __NR_syscall_max __NR_vmsplice +#define __NR_syscall_max __NR_move_pages #ifndef __NO_STUBS diff --git a/include/asm-x86_64/unwind.h b/include/asm-x86_64/unwind.h new file mode 100644 index 000000000000..f3e7124effe3 --- /dev/null +++ b/include/asm-x86_64/unwind.h @@ -0,0 +1,106 @@ +#ifndef _ASM_X86_64_UNWIND_H +#define _ASM_X86_64_UNWIND_H + +/* + * Copyright (C) 2002-2006 Novell, Inc. + * Jan Beulich <jbeulich@novell.com> + * This code is released under version 2 of the GNU GPL. + */ + +#ifdef CONFIG_STACK_UNWIND + +#include <linux/sched.h> +#include <asm/ptrace.h> +#include <asm/uaccess.h> +#include <asm/vsyscall.h> + +struct unwind_frame_info +{ + struct pt_regs regs; + struct task_struct *task; +}; + +#define UNW_PC(frame) (frame)->regs.rip +#define UNW_SP(frame) (frame)->regs.rsp +#ifdef CONFIG_FRAME_POINTER +#define UNW_FP(frame) (frame)->regs.rbp +#define FRAME_RETADDR_OFFSET 8 +#define FRAME_LINK_OFFSET 0 +#define STACK_BOTTOM(tsk) (((tsk)->thread.rsp0 - 1) & ~(THREAD_SIZE - 1)) +#define STACK_TOP(tsk) ((tsk)->thread.rsp0) +#endif +/* Might need to account for the special exception and interrupt handling + stacks here, since normally + EXCEPTION_STACK_ORDER < THREAD_ORDER < IRQSTACK_ORDER, + but the construct is needed only for getting across the stack switch to + the interrupt stack - thus considering the IRQ stack itself is unnecessary, + and the overhead of comparing against all exception handling stacks seems + not desirable. */ +#define STACK_LIMIT(ptr) (((ptr) - 1) & ~(THREAD_SIZE - 1)) + +#define UNW_REGISTER_INFO \ + PTREGS_INFO(rax), \ + PTREGS_INFO(rdx), \ + PTREGS_INFO(rcx), \ + PTREGS_INFO(rbx), \ + PTREGS_INFO(rsi), \ + PTREGS_INFO(rdi), \ + PTREGS_INFO(rbp), \ + PTREGS_INFO(rsp), \ + PTREGS_INFO(r8), \ + PTREGS_INFO(r9), \ + PTREGS_INFO(r10), \ + PTREGS_INFO(r11), \ + PTREGS_INFO(r12), \ + PTREGS_INFO(r13), \ + PTREGS_INFO(r14), \ + PTREGS_INFO(r15), \ + PTREGS_INFO(rip) + +static inline void arch_unw_init_frame_info(struct unwind_frame_info *info, + /*const*/ struct pt_regs *regs) +{ + info->regs = *regs; +} + +static inline void arch_unw_init_blocked(struct unwind_frame_info *info) +{ + extern const char thread_return[]; + + memset(&info->regs, 0, sizeof(info->regs)); + info->regs.rip = (unsigned long)thread_return; + info->regs.cs = __KERNEL_CS; + __get_user(info->regs.rbp, (unsigned long *)info->task->thread.rsp); + info->regs.rsp = info->task->thread.rsp; + info->regs.ss = __KERNEL_DS; +} + +extern int arch_unwind_init_running(struct unwind_frame_info *, + int (*callback)(struct unwind_frame_info *, + void *arg), + void *arg); + +static inline int arch_unw_user_mode(const struct unwind_frame_info *info) +{ +#if 0 /* This can only work when selector register saves/restores + are properly annotated (and tracked in UNW_REGISTER_INFO). */ + return user_mode(&info->regs); +#else + return (long)info->regs.rip >= 0 + || (info->regs.rip >= VSYSCALL_START && info->regs.rip < VSYSCALL_END) + || (long)info->regs.rsp >= 0; +#endif +} + +#else + +#define UNW_PC(frame) ((void)(frame), 0) + +static inline int arch_unw_user_mode(const void *info) +{ + return 0; +} + +#endif + +#endif /* _ASM_X86_64_UNWIND_H */ diff --git a/include/asm-x86_64/vga.h b/include/asm-x86_64/vga.h index ef0c0e50cc95..0ecf68ac03aa 100644 --- a/include/asm-x86_64/vga.h +++ b/include/asm-x86_64/vga.h @@ -12,7 +12,7 @@ * access the videoram directly without any black magic. */ -#define VGA_MAP_MEM(x) (unsigned long)phys_to_virt(x) +#define VGA_MAP_MEM(x,s) (unsigned long)phys_to_virt(x) #define vga_readb(x) (*(x)) #define vga_writeb(x,y) (*(y) = (x)) |