diff options
Diffstat (limited to 'include')
25 files changed, 261 insertions, 156 deletions
diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index d76a083..ef1d72d 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -40,8 +40,6 @@ extern void generic_apic_probe(void); extern unsigned int apic_verbosity; extern int local_apic_timer_c2_ok; -extern int ioapic_force; - extern int disable_apic; /* * Basic functions accessing APICs. @@ -100,6 +98,20 @@ extern void check_x2apic(void); extern void enable_x2apic(void); extern void enable_IR_x2apic(void); extern void x2apic_icr_write(u32 low, u32 id); +static inline int x2apic_enabled(void) +{ + int msr, msr2; + + if (!cpu_has_x2apic) + return 0; + + rdmsr(MSR_IA32_APICBASE, msr, msr2); + if (msr & X2APIC_ENABLE) + return 1; + return 0; +} +#else +#define x2apic_enabled() 0 #endif struct apic_ops { diff --git a/include/asm-x86/bigsmp/apic.h b/include/asm-x86/bigsmp/apic.h index 0a9cd7c..1d9543b 100644 --- a/include/asm-x86/bigsmp/apic.h +++ b/include/asm-x86/bigsmp/apic.h @@ -9,22 +9,17 @@ static inline int apic_id_registered(void) return (1); } -/* Round robin the irqs amoung the online cpus */ static inline cpumask_t target_cpus(void) { - static unsigned long cpu = NR_CPUS; - do { - if (cpu >= NR_CPUS) - cpu = first_cpu(cpu_online_map); - else - cpu = next_cpu(cpu, cpu_online_map); - } while (cpu >= NR_CPUS); - return cpumask_of_cpu(cpu); +#ifdef CONFIG_SMP + return cpu_online_map; +#else + return cpumask_of_cpu(0); +#endif } #undef APIC_DEST_LOGICAL #define APIC_DEST_LOGICAL 0 -#define TARGET_CPUS (target_cpus()) #define APIC_DFR_VALUE (APIC_DFR_FLAT) #define INT_DELIVERY_MODE (dest_Fixed) #define INT_DEST_MODE (0) /* phys delivery to target proc */ diff --git a/include/asm-x86/efi.h b/include/asm-x86/efi.h index ed2de22..313438e 100644 --- a/include/asm-x86/efi.h +++ b/include/asm-x86/efi.h @@ -94,4 +94,17 @@ extern void efi_reserve_early(void); extern void efi_call_phys_prelog(void); extern void efi_call_phys_epilog(void); +#ifndef CONFIG_EFI +/* + * IF EFI is not configured, have the EFI calls return -ENOSYS. + */ +#define efi_call0(_f) (-ENOSYS) +#define efi_call1(_f, _a1) (-ENOSYS) +#define efi_call2(_f, _a1, _a2) (-ENOSYS) +#define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS) +#define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS) +#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS) +#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS) +#endif /* CONFIG_EFI */ + #endif /* ASM_X86__EFI_H */ diff --git a/include/asm-x86/es7000/apic.h b/include/asm-x86/es7000/apic.h index aae50c2..380f0b4 100644 --- a/include/asm-x86/es7000/apic.h +++ b/include/asm-x86/es7000/apic.h @@ -17,7 +17,6 @@ static inline cpumask_t target_cpus(void) return cpumask_of_cpu(smp_processor_id()); #endif } -#define TARGET_CPUS (target_cpus()) #if defined CONFIG_ES7000_CLUSTERED_APIC #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) @@ -81,7 +80,7 @@ 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]); + "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(target_cpus())[0]); } static inline int multi_timer_check(int apic, int irq) diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h index 34280f0..6fe4f81 100644 --- a/include/asm-x86/genapic_32.h +++ b/include/asm-x86/genapic_32.h @@ -57,6 +57,7 @@ struct genapic { unsigned (*get_apic_id)(unsigned long x); unsigned long apic_id_mask; unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask); + cpumask_t (*vector_allocation_domain)(int cpu); #ifdef CONFIG_SMP /* ipi */ @@ -104,6 +105,7 @@ struct genapic { APICFUNC(get_apic_id) \ .apic_id_mask = APIC_ID_MASK, \ APICFUNC(cpu_mask_to_apicid) \ + APICFUNC(vector_allocation_domain) \ APICFUNC(acpi_madt_oem_check) \ IPIFUNC(send_IPI_mask) \ IPIFUNC(send_IPI_allbutself) \ diff --git a/include/asm-x86/hpet.h b/include/asm-x86/hpet.h index cbbbb6d..58b273f 100644 --- a/include/asm-x86/hpet.h +++ b/include/asm-x86/hpet.h @@ -1,6 +1,8 @@ #ifndef ASM_X86__HPET_H #define ASM_X86__HPET_H +#include <linux/msi.h> + #ifdef CONFIG_HPET_TIMER #define HPET_MMAP_SIZE 1024 @@ -10,6 +12,11 @@ #define HPET_CFG 0x010 #define HPET_STATUS 0x020 #define HPET_COUNTER 0x0f0 + +#define HPET_Tn_CFG(n) (0x100 + 0x20 * n) +#define HPET_Tn_CMP(n) (0x108 + 0x20 * n) +#define HPET_Tn_ROUTE(n) (0x110 + 0x20 * n) + #define HPET_T0_CFG 0x100 #define HPET_T0_CMP 0x108 #define HPET_T0_ROUTE 0x110 @@ -65,6 +72,20 @@ extern void hpet_disable(void); extern unsigned long hpet_readl(unsigned long a); extern void force_hpet_resume(void); +extern void hpet_msi_unmask(unsigned int irq); +extern void hpet_msi_mask(unsigned int irq); +extern void hpet_msi_write(unsigned int irq, struct msi_msg *msg); +extern void hpet_msi_read(unsigned int irq, struct msi_msg *msg); + +#ifdef CONFIG_PCI_MSI +extern int arch_setup_hpet_msi(unsigned int irq); +#else +static inline int arch_setup_hpet_msi(unsigned int irq) +{ + return -EINVAL; +} +#endif + #ifdef CONFIG_HPET_EMULATE_RTC #include <linux/interrupt.h> diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 50f6e03..749d042 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -96,13 +96,8 @@ extern asmlinkage void qic_call_function_interrupt(void); /* SMP */ extern void smp_apic_timer_interrupt(struct pt_regs *); -#ifdef CONFIG_X86_32 extern void smp_spurious_interrupt(struct pt_regs *); extern void smp_error_interrupt(struct pt_regs *); -#else -extern asmlinkage void smp_spurious_interrupt(void); -extern asmlinkage void smp_error_interrupt(void); -#endif #ifdef CONFIG_X86_SMP extern void smp_reschedule_interrupt(struct pt_regs *); extern void smp_call_function_interrupt(struct pt_regs *); @@ -115,13 +110,13 @@ extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *); #endif #ifdef CONFIG_X86_32 -extern void (*const interrupt[NR_IRQS])(void); -#else +extern void (*const interrupt[NR_VECTORS])(void); +#endif + typedef int vector_irq_t[NR_VECTORS]; DECLARE_PER_CPU(vector_irq_t, vector_irq); -#endif -#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_X86_64) +#ifdef CONFIG_X86_IO_APIC extern void lock_vector_lock(void); extern void unlock_vector_lock(void); extern void __setup_vector_irq(int cpu); diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h index 8ec68a5..d35cbd7 100644 --- a/include/asm-x86/io_apic.h +++ b/include/asm-x86/io_apic.h @@ -4,6 +4,7 @@ #include <linux/types.h> #include <asm/mpspec.h> #include <asm/apicdef.h> +#include <asm/irq_vectors.h> /* * Intel IO-APIC support for SMP and UP systems. @@ -87,24 +88,8 @@ struct IO_APIC_route_entry { mask : 1, /* 0: enabled, 1: disabled */ __reserved_2 : 15; -#ifdef CONFIG_X86_32 - union { - struct { - __u32 __reserved_1 : 24, - physical_dest : 4, - __reserved_2 : 4; - } physical; - - struct { - __u32 __reserved_1 : 24, - logical_dest : 8; - } logical; - } dest; -#else __u32 __reserved_3 : 24, dest : 8; -#endif - } __attribute__ ((packed)); struct IR_IO_APIC_route_entry { @@ -203,10 +188,17 @@ extern void restore_IO_APIC_setup(void); extern void reinit_intr_remapped_IO_APIC(int); #endif +extern int probe_nr_irqs(void); + #else /* !CONFIG_X86_IO_APIC */ #define io_apic_assign_pci_irqs 0 static const int timer_through_8259 = 0; static inline void ioapic_init_mappings(void) { } + +static inline int probe_nr_irqs(void) +{ + return NR_IRQS; +} #endif #endif /* ASM_X86__IO_APIC_H */ diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h index c5d2d76..a8d065d 100644 --- a/include/asm-x86/irq_vectors.h +++ b/include/asm-x86/irq_vectors.h @@ -19,19 +19,14 @@ /* * Reserve the lowest usable priority level 0x20 - 0x2f for triggering - * cleanup after irq migration on 64 bit. + * cleanup after irq migration. */ #define IRQ_MOVE_CLEANUP_VECTOR FIRST_EXTERNAL_VECTOR /* - * Vectors 0x20-0x2f are used for ISA interrupts on 32 bit. - * Vectors 0x30-0x3f are used for ISA interrupts on 64 bit. + * Vectors 0x30-0x3f are used for ISA interrupts. */ -#ifdef CONFIG_X86_32 -#define IRQ0_VECTOR (FIRST_EXTERNAL_VECTOR) -#else #define IRQ0_VECTOR (FIRST_EXTERNAL_VECTOR + 0x10) -#endif #define IRQ1_VECTOR (IRQ0_VECTOR + 1) #define IRQ2_VECTOR (IRQ0_VECTOR + 2) #define IRQ3_VECTOR (IRQ0_VECTOR + 3) @@ -96,11 +91,7 @@ * start at 0x31(0x41) to spread out vectors evenly between priority * levels. (0x80 is the syscall vector) */ -#ifdef CONFIG_X86_32 -# define FIRST_DEVICE_VECTOR 0x31 -#else -# define FIRST_DEVICE_VECTOR (IRQ15_VECTOR + 2) -#endif +#define FIRST_DEVICE_VECTOR (IRQ15_VECTOR + 2) #define NR_VECTORS 256 @@ -116,7 +107,6 @@ # else # define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS)) # endif -# define NR_IRQ_VECTORS NR_IRQS #elif !defined(CONFIG_X86_VOYAGER) @@ -124,23 +114,15 @@ # define NR_IRQS 224 -# if (224 >= 32 * NR_CPUS) -# define NR_IRQ_VECTORS NR_IRQS -# else -# define NR_IRQ_VECTORS (32 * NR_CPUS) -# endif - # else /* IO_APIC || PARAVIRT */ # define NR_IRQS 16 -# define NR_IRQ_VECTORS NR_IRQS # endif #else /* !VISWS && !VOYAGER */ # define NR_IRQS 224 -# define NR_IRQ_VECTORS NR_IRQS #endif /* VISWS */ diff --git a/include/asm-x86/mach-default/entry_arch.h b/include/asm-x86/mach-default/entry_arch.h index 9283b60..6b1add8 100644 --- a/include/asm-x86/mach-default/entry_arch.h +++ b/include/asm-x86/mach-default/entry_arch.h @@ -14,6 +14,7 @@ BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR) BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR) BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR) BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR) +BUILD_INTERRUPT(irq_move_cleanup_interrupt,IRQ_MOVE_CLEANUP_VECTOR) #endif /* diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h index 2a330a4..3c66f2c 100644 --- a/include/asm-x86/mach-default/mach_apic.h +++ b/include/asm-x86/mach-default/mach_apic.h @@ -85,6 +85,20 @@ static inline int apicid_to_node(int logical_apicid) return 0; #endif } + +static inline cpumask_t vector_allocation_domain(int cpu) +{ + /* 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. + */ + cpumask_t domain = { { [0] = APIC_ALL_CPUS, } }; + return domain; +} #endif static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) @@ -138,6 +152,5 @@ static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) static inline void enable_apic_mode(void) { } - #endif /* CONFIG_X86_LOCAL_APIC */ #endif /* ASM_X86__MACH_DEFAULT__MACH_APIC_H */ diff --git a/include/asm-x86/mach-generic/irq_vectors_limits.h b/include/asm-x86/mach-generic/irq_vectors_limits.h deleted file mode 100644 index f7870e1..0000000 --- a/include/asm-x86/mach-generic/irq_vectors_limits.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H -#define ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H - -/* - * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs, - * even with uni-proc kernels, so use a big array. - * - * This value should be the same in both the generic and summit subarches. - * Change one, change 'em both. - */ -#define NR_IRQS 224 -#define NR_IRQ_VECTORS 1024 - -#endif /* ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H */ diff --git a/include/asm-x86/mach-generic/mach_apic.h b/include/asm-x86/mach-generic/mach_apic.h index 5d010c6..5085b52 100644 --- a/include/asm-x86/mach-generic/mach_apic.h +++ b/include/asm-x86/mach-generic/mach_apic.h @@ -24,6 +24,7 @@ #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 vector_allocation_domain (genapic->vector_allocation_domain) #define enable_apic_mode (genapic->enable_apic_mode) #define phys_pkg_id (genapic->phys_pkg_id) diff --git a/include/asm-x86/numaq/apic.h b/include/asm-x86/numaq/apic.h index a8344ba..0bf2a06 100644 --- a/include/asm-x86/numaq/apic.h +++ b/include/asm-x86/numaq/apic.h @@ -12,8 +12,6 @@ static inline cpumask_t target_cpus(void) return CPU_MASK_ALL; } -#define TARGET_CPUS (target_cpus()) - #define NO_BALANCE_IRQ (1) #define esr_disable (1) diff --git a/include/asm-x86/summit/apic.h b/include/asm-x86/summit/apic.h index 394b00b..9b3070f 100644 --- a/include/asm-x86/summit/apic.h +++ b/include/asm-x86/summit/apic.h @@ -22,7 +22,6 @@ static inline cpumask_t target_cpus(void) */ return cpumask_of_cpu(0); } -#define TARGET_CPUS (target_cpus()) #define INT_DELIVERY_MODE (dest_LowestPrio) #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ diff --git a/include/asm-x86/summit/irq_vectors_limits.h b/include/asm-x86/summit/irq_vectors_limits.h deleted file mode 100644 index 890ce3f..0000000 --- a/include/asm-x86/summit/irq_vectors_limits.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef _ASM_IRQ_VECTORS_LIMITS_H -#define _ASM_IRQ_VECTORS_LIMITS_H - -/* - * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs, - * even with uni-proc kernels, so use a big array. - * - * This value should be the same in both the generic and summit subarches. - * Change one, change 'em both. - */ -#define NR_IRQS 224 -#define NR_IRQ_VECTORS 1024 - -#endif /* _ASM_IRQ_VECTORS_LIMITS_H */ diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h index 7cd6d7e..215f196 100644 --- a/include/asm-x86/uv/bios.h +++ b/include/asm-x86/uv/bios.h @@ -2,9 +2,7 @@ #define ASM_X86__UV__BIOS_H /* - * BIOS layer definitions. - * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * UV BIOS layer definitions. * * 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 @@ -19,50 +17,78 @@ * 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 + * + * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) Russ Anderson */ #include <linux/rtc.h> -#define BIOS_FREQ_BASE 0x01000001 +/* + * Values for the BIOS calls. It is passed as the first * argument in the + * BIOS call. Passing any other value in the first argument will result + * in a BIOS_STATUS_UNIMPLEMENTED return status. + */ +enum uv_bios_cmd { + UV_BIOS_COMMON, + UV_BIOS_GET_SN_INFO, + UV_BIOS_FREQ_BASE +}; +/* + * Status values returned from a BIOS call. + */ enum { - BIOS_FREQ_BASE_PLATFORM = 0, - BIOS_FREQ_BASE_INTERVAL_TIMER = 1, - BIOS_FREQ_BASE_REALTIME_CLOCK = 2 + BIOS_STATUS_SUCCESS = 0, + BIOS_STATUS_UNIMPLEMENTED = -ENOSYS, + BIOS_STATUS_EINVAL = -EINVAL, + BIOS_STATUS_UNAVAIL = -EBUSY }; -# define BIOS_CALL(result, a0, a1, a2, a3, a4, a5, a6, a7) \ - do { \ - /* XXX - the real call goes here */ \ - result.status = BIOS_STATUS_UNIMPLEMENTED; \ - isrv.v0 = 0; \ - isrv.v1 = 0; \ - } while (0) +/* + * The UV system table describes specific firmware + * capabilities available to the Linux kernel at runtime. + */ +struct uv_systab { + char signature[4]; /* must be "UVST" */ + u32 revision; /* distinguish different firmware revs */ + u64 function; /* BIOS runtime callback function ptr */ +}; enum { - BIOS_STATUS_SUCCESS = 0, - BIOS_STATUS_UNIMPLEMENTED = -1, - BIOS_STATUS_EINVAL = -2, - BIOS_STATUS_ERROR = -3 + BIOS_FREQ_BASE_PLATFORM = 0, + BIOS_FREQ_BASE_INTERVAL_TIMER = 1, + BIOS_FREQ_BASE_REALTIME_CLOCK = 2 }; -struct uv_bios_retval { - /* - * A zero status value indicates call completed without error. - * A negative status value indicates reason of call failure. - * A positive status value indicates success but an - * informational value should be printed (e.g., "reboot for - * change to take effect"). - */ - s64 status; - u64 v0; - u64 v1; - u64 v2; +union partition_info_u { + u64 val; + struct { + u64 hub_version : 8, + partition_id : 16, + coherence_id : 16, + region_size : 24; + }; }; -extern long -x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second, - unsigned long *drift_info); -extern const char *x86_bios_strerror(long status); +/* + * bios calls have 6 parameters + */ +extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64); +extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64); +extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64); + +extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *); +extern s64 uv_bios_freq_base(u64, u64 *); + +extern void uv_bios_init(void); + +extern int uv_type; +extern long sn_partition_id; +extern long uv_coherency_id; +extern long uv_region_size; +#define partition_coherence_id() (uv_coherency_id) + +extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */ #endif /* ASM_X86__UV__BIOS_H */ diff --git a/include/asm-x86/uv/uv_irq.h b/include/asm-x86/uv/uv_irq.h new file mode 100644 index 0000000..8bf5f32 --- /dev/null +++ b/include/asm-x86/uv/uv_irq.h @@ -0,0 +1,36 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * SGI UV IRQ definitions + * + * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved. + */ + +#ifndef ASM_X86__UV__UV_IRQ_H +#define ASM_X86__UV__UV_IRQ_H + +/* If a generic version of this structure gets defined, eliminate this one. */ +struct uv_IO_APIC_route_entry { + __u64 vector : 8, + delivery_mode : 3, + dest_mode : 1, + delivery_status : 1, + polarity : 1, + __reserved_1 : 1, + trigger : 1, + mask : 1, + __reserved_2 : 15, + dest : 32; +}; + +extern struct irq_chip uv_irq_chip; + +extern int arch_enable_uv_irq(char *, unsigned int, int, int, unsigned long); +extern void arch_disable_uv_irq(int, unsigned long); + +extern int uv_setup_irq(char *, int, int, unsigned long); +extern void uv_teardown_irq(unsigned int, int, unsigned long); + +#endif /* ASM_X86__UV__UV_IRQ_H */ diff --git a/include/linux/dmar.h b/include/linux/dmar.h index c360c55..f1984fc 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -45,7 +45,6 @@ extern struct list_head dmar_drhd_units; list_for_each_entry(drhd, &dmar_drhd_units, list) extern int dmar_table_init(void); -extern int early_dmar_detect(void); extern int dmar_dev_scope_init(void); /* Intel IOMMU detection */ diff --git a/include/linux/efi.h b/include/linux/efi.h index 807373d..bb66feb 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -208,6 +208,9 @@ typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_siz #define EFI_GLOBAL_VARIABLE_GUID \ EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c ) +#define UV_SYSTEM_TABLE_GUID \ + EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 ) + typedef struct { efi_guid_t guid; unsigned long table; @@ -255,6 +258,7 @@ extern struct efi { unsigned long boot_info; /* boot info table */ unsigned long hcdp; /* HCDP table */ unsigned long uga; /* UGA table */ + unsigned long uv_systab; /* UV system table */ efi_get_time_t *get_time; efi_set_time_t *set_time; efi_get_wakeup_time_t *get_wakeup_time; diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 35a61dc..f58a0cf 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -8,6 +8,7 @@ #include <linux/preempt.h> #include <linux/cpumask.h> #include <linux/irqreturn.h> +#include <linux/irqnr.h> #include <linux/hardirq.h> #include <linux/sched.h> #include <linux/irqflags.h> diff --git a/include/linux/irq.h b/include/linux/irq.h index 8d9411b..d058c57 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -18,6 +18,7 @@ #include <linux/spinlock.h> #include <linux/cpumask.h> #include <linux/irqreturn.h> +#include <linux/irqnr.h> #include <linux/errno.h> #include <asm/irq.h> @@ -152,6 +153,7 @@ struct irq_chip { * @name: flow handler name for /proc/interrupts output */ struct irq_desc { + unsigned int irq; irq_flow_handler_t handle_irq; struct irq_chip *chip; struct msi_desc *msi_desc; @@ -170,7 +172,7 @@ struct irq_desc { cpumask_t affinity; unsigned int cpu; #endif -#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE) +#ifdef CONFIG_GENERIC_PENDING_IRQ cpumask_t pending_mask; #endif #ifdef CONFIG_PROC_FS @@ -179,8 +181,14 @@ struct irq_desc { const char *name; } ____cacheline_internodealigned_in_smp; + extern struct irq_desc irq_desc[NR_IRQS]; +static inline struct irq_desc *irq_to_desc(unsigned int irq) +{ + return (irq < nr_irqs) ? irq_desc + irq : NULL; +} + /* * Migration helpers for obsolete names, they will go away: */ @@ -198,19 +206,15 @@ extern int setup_irq(unsigned int irq, struct irqaction *new); #ifdef CONFIG_GENERIC_HARDIRQS -#ifndef handle_dynamic_tick -# define handle_dynamic_tick(a) do { } while (0) -#endif - #ifdef CONFIG_SMP -#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE) +#ifdef CONFIG_GENERIC_PENDING_IRQ void set_pending_irq(unsigned int irq, cpumask_t mask); void move_native_irq(int irq); void move_masked_irq(int irq); -#else /* CONFIG_GENERIC_PENDING_IRQ || CONFIG_IRQBALANCE */ +#else /* CONFIG_GENERIC_PENDING_IRQ */ static inline void move_irq(int irq) { @@ -237,19 +241,14 @@ static inline void set_pending_irq(unsigned int irq, cpumask_t mask) #endif /* CONFIG_SMP */ -#ifdef CONFIG_IRQBALANCE -extern void set_balance_irq_affinity(unsigned int irq, cpumask_t mask); -#else -static inline void set_balance_irq_affinity(unsigned int irq, cpumask_t mask) -{ -} -#endif - extern int no_irq_affinity; static inline int irq_balancing_disabled(unsigned int irq) { - return irq_desc[irq].status & IRQ_NO_BALANCING_MASK; + struct irq_desc *desc; + + desc = irq_to_desc(irq); + return desc->status & IRQ_NO_BALANCING_MASK; } /* Handle irq action chains: */ @@ -279,10 +278,8 @@ extern unsigned int __do_IRQ(unsigned int irq); * irqchip-style controller then we call the ->handle_irq() handler, * and it calls __do_IRQ() if it's attached to an irqtype-style controller. */ -static inline void generic_handle_irq(unsigned int irq) +static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc) { - struct irq_desc *desc = irq_desc + irq; - #ifdef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ desc->handle_irq(irq, desc); #else @@ -293,6 +290,11 @@ static inline void generic_handle_irq(unsigned int irq) #endif } +static inline void generic_handle_irq(unsigned int irq) +{ + generic_handle_irq_desc(irq, irq_to_desc(irq)); +} + /* Handling of unhandled and spurious interrupts: */ extern void note_interrupt(unsigned int irq, struct irq_desc *desc, int action_ret); @@ -325,7 +327,10 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, static inline void __set_irq_handler_unlocked(int irq, irq_flow_handler_t handler) { - irq_desc[irq].handle_irq = handler; + struct irq_desc *desc; + + desc = irq_to_desc(irq); + desc->handle_irq = handler; } /* @@ -353,13 +358,14 @@ extern void set_irq_noprobe(unsigned int irq); extern void set_irq_probe(unsigned int irq); /* Handle dynamic irq creation and destruction */ +extern unsigned int create_irq_nr(unsigned int irq_want); extern int create_irq(void); extern void destroy_irq(unsigned int irq); /* Test to see if a driver has successfully requested an irq */ static inline int irq_has_action(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); return desc->action != NULL; } @@ -374,10 +380,10 @@ extern int set_irq_chip_data(unsigned int irq, void *data); extern int set_irq_type(unsigned int irq, unsigned int type); extern int set_irq_msi(unsigned int irq, struct msi_desc *entry); -#define get_irq_chip(irq) (irq_desc[irq].chip) -#define get_irq_chip_data(irq) (irq_desc[irq].chip_data) -#define get_irq_data(irq) (irq_desc[irq].handler_data) -#define get_irq_msi(irq) (irq_desc[irq].msi_desc) +#define get_irq_chip(irq) (irq_to_desc(irq)->chip) +#define get_irq_chip_data(irq) (irq_to_desc(irq)->chip_data) +#define get_irq_data(irq) (irq_to_desc(irq)->handler_data) +#define get_irq_msi(irq) (irq_to_desc(irq)->msi_desc) #endif /* CONFIG_GENERIC_HARDIRQS */ diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h new file mode 100644 index 0000000..3171ddc --- /dev/null +++ b/include/linux/irqnr.h @@ -0,0 +1,24 @@ +#ifndef _LINUX_IRQNR_H +#define _LINUX_IRQNR_H + +#ifndef CONFIG_GENERIC_HARDIRQS +#include <asm/irq.h> +# define nr_irqs NR_IRQS + +# define for_each_irq_desc(irq, desc) \ + for (irq = 0; irq < nr_irqs; irq++) +#else +extern int nr_irqs; + +# define for_each_irq_desc(irq, desc) \ + for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++) + +# define for_each_irq_desc_reverse(irq, desc) \ + for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 ); \ + irq > 0; irq--, desc--) +#endif + +#define for_each_irq_nr(irq) \ + for (irq = 0; irq < nr_irqs; irq++) + +#endif diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index cac3750..4a145ca 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -39,15 +39,29 @@ DECLARE_PER_CPU(struct kernel_stat, kstat); extern unsigned long long nr_context_switches(void); +struct irq_desc; + +static inline void kstat_incr_irqs_this_cpu(unsigned int irq, + struct irq_desc *desc) +{ + kstat_this_cpu.irqs[irq]++; +} + +static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) +{ + return kstat_cpu(cpu).irqs[irq]; +} + /* * Number of interrupts per specific IRQ source, since bootup */ -static inline int kstat_irqs(int irq) +static inline unsigned int kstat_irqs(unsigned int irq) { - int cpu, sum = 0; + unsigned int sum = 0; + int cpu; for_each_possible_cpu(cpu) - sum += kstat_cpu(cpu).irqs[irq]; + sum += kstat_irqs_cpu(irq, cpu); return sum; } diff --git a/include/linux/pci.h b/include/linux/pci.h index acf8f24..7f3f65e 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -725,7 +725,7 @@ enum pci_dma_burst_strategy { }; struct msix_entry { - u16 vector; /* kernel uses to write allocated vector */ + u32 vector; /* kernel uses to write allocated vector */ u16 entry; /* driver uses to specify entry, OS writes */ }; |
