forked from Minki/linux
099c5c0348
Now only intel_irq_remapping.c access irq_2_iommu, so move it from hw_irq.h into intel_irq_remapping.c. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Tested-by: Joerg Roedel <jroedel@suse.de> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: David Cohen <david.a.cohen@linux.intel.com> Cc: Sander Eikelenboom <linux@eikelenboom.it> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: iommu@lists.linux-foundation.org Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dimitri Sivanich <sivanich@sgi.com> Cc: Joerg Roedel <joro@8bytes.org> Link: http://lkml.kernel.org/r/1428978610-28986-15-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
279 lines
8.1 KiB
C
279 lines
8.1 KiB
C
#ifndef _ASM_X86_HW_IRQ_H
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#define _ASM_X86_HW_IRQ_H
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/*
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* (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
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*
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* moved some of the old arch/i386/kernel/irq.h to here. VY
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*
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* IRQ/IPI changes taken from work by Thomas Radke
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* <tomsoft@informatik.tu-chemnitz.de>
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*
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* hacked by Andi Kleen for x86-64.
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* unified by tglx
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*/
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#include <asm/irq_vectors.h>
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#ifndef __ASSEMBLY__
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#include <linux/percpu.h>
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#include <linux/profile.h>
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#include <linux/smp.h>
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#include <linux/atomic.h>
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#include <asm/irq.h>
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#include <asm/sections.h>
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/* Interrupt handlers registered during init_IRQ */
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extern asmlinkage void apic_timer_interrupt(void);
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extern asmlinkage void x86_platform_ipi(void);
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extern asmlinkage void kvm_posted_intr_ipi(void);
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extern asmlinkage void error_interrupt(void);
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extern asmlinkage void irq_work_interrupt(void);
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extern asmlinkage void spurious_interrupt(void);
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extern asmlinkage void thermal_interrupt(void);
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extern asmlinkage void reschedule_interrupt(void);
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extern asmlinkage void invalidate_interrupt(void);
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extern asmlinkage void invalidate_interrupt0(void);
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extern asmlinkage void invalidate_interrupt1(void);
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extern asmlinkage void invalidate_interrupt2(void);
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extern asmlinkage void invalidate_interrupt3(void);
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extern asmlinkage void invalidate_interrupt4(void);
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extern asmlinkage void invalidate_interrupt5(void);
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extern asmlinkage void invalidate_interrupt6(void);
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extern asmlinkage void invalidate_interrupt7(void);
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extern asmlinkage void invalidate_interrupt8(void);
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extern asmlinkage void invalidate_interrupt9(void);
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extern asmlinkage void invalidate_interrupt10(void);
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extern asmlinkage void invalidate_interrupt11(void);
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extern asmlinkage void invalidate_interrupt12(void);
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extern asmlinkage void invalidate_interrupt13(void);
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extern asmlinkage void invalidate_interrupt14(void);
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extern asmlinkage void invalidate_interrupt15(void);
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extern asmlinkage void invalidate_interrupt16(void);
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extern asmlinkage void invalidate_interrupt17(void);
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extern asmlinkage void invalidate_interrupt18(void);
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extern asmlinkage void invalidate_interrupt19(void);
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extern asmlinkage void invalidate_interrupt20(void);
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extern asmlinkage void invalidate_interrupt21(void);
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extern asmlinkage void invalidate_interrupt22(void);
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extern asmlinkage void invalidate_interrupt23(void);
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extern asmlinkage void invalidate_interrupt24(void);
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extern asmlinkage void invalidate_interrupt25(void);
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extern asmlinkage void invalidate_interrupt26(void);
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extern asmlinkage void invalidate_interrupt27(void);
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extern asmlinkage void invalidate_interrupt28(void);
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extern asmlinkage void invalidate_interrupt29(void);
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extern asmlinkage void invalidate_interrupt30(void);
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extern asmlinkage void invalidate_interrupt31(void);
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extern asmlinkage void irq_move_cleanup_interrupt(void);
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extern asmlinkage void reboot_interrupt(void);
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extern asmlinkage void threshold_interrupt(void);
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extern asmlinkage void call_function_interrupt(void);
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extern asmlinkage void call_function_single_interrupt(void);
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#ifdef CONFIG_TRACING
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/* Interrupt handlers registered during init_IRQ */
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extern void trace_apic_timer_interrupt(void);
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extern void trace_x86_platform_ipi(void);
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extern void trace_error_interrupt(void);
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extern void trace_irq_work_interrupt(void);
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extern void trace_spurious_interrupt(void);
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extern void trace_thermal_interrupt(void);
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extern void trace_reschedule_interrupt(void);
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extern void trace_threshold_interrupt(void);
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extern void trace_call_function_interrupt(void);
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extern void trace_call_function_single_interrupt(void);
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#define trace_irq_move_cleanup_interrupt irq_move_cleanup_interrupt
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#define trace_reboot_interrupt reboot_interrupt
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#define trace_kvm_posted_intr_ipi kvm_posted_intr_ipi
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#endif /* CONFIG_TRACING */
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#ifdef CONFIG_IRQ_REMAP
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/* AMD specific interrupt remapping information */
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struct irq_2_irte {
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u16 devid; /* Device ID for IRTE table */
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u16 index; /* Index into IRTE table*/
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};
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#endif /* CONFIG_IRQ_REMAP */
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struct irq_domain;
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#ifdef CONFIG_X86_LOCAL_APIC
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struct irq_data;
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struct pci_dev;
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struct msi_desc;
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enum irq_alloc_type {
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X86_IRQ_ALLOC_TYPE_IOAPIC = 1,
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X86_IRQ_ALLOC_TYPE_HPET,
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X86_IRQ_ALLOC_TYPE_MSI,
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X86_IRQ_ALLOC_TYPE_MSIX,
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X86_IRQ_ALLOC_TYPE_DMAR,
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X86_IRQ_ALLOC_TYPE_UV,
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};
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struct irq_alloc_info {
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enum irq_alloc_type type;
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u32 flags;
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const struct cpumask *mask; /* CPU mask for vector allocation */
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union {
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int unused;
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#ifdef CONFIG_HPET_TIMER
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struct {
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int hpet_id;
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int hpet_index;
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void *hpet_data;
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};
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#endif
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#ifdef CONFIG_PCI_MSI
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struct {
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struct pci_dev *msi_dev;
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irq_hw_number_t msi_hwirq;
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};
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#endif
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#ifdef CONFIG_X86_IO_APIC
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struct {
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int ioapic_id;
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int ioapic_pin;
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int ioapic_node;
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u32 ioapic_trigger : 1;
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u32 ioapic_polarity : 1;
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u32 ioapic_valid : 1;
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struct IO_APIC_route_entry *ioapic_entry;
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};
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#endif
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#ifdef CONFIG_DMAR_TABLE
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struct {
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int dmar_id;
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void *dmar_data;
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};
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#endif
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#ifdef CONFIG_HT_IRQ
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struct {
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int ht_pos;
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int ht_idx;
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struct pci_dev *ht_dev;
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void *ht_update;
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};
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#endif
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#ifdef CONFIG_X86_UV
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struct {
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int uv_limit;
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int uv_blade;
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unsigned long uv_offset;
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char *uv_name;
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};
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#endif
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};
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};
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enum {
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/* Allocate contiguous CPU vectors */
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X86_IRQ_ALLOC_CONTIGUOUS_VECTORS = 0x1,
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};
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struct irq_cfg {
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cpumask_var_t domain;
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cpumask_var_t old_domain;
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unsigned int dest_apicid;
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u8 vector;
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u8 move_in_progress : 1;
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#ifdef CONFIG_IRQ_REMAP
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union {
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struct irq_2_irte irq_2_irte;
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};
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#endif
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union {
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#ifdef CONFIG_X86_IO_APIC
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struct {
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struct list_head irq_2_pin;
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};
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#endif
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};
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};
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extern struct irq_domain *x86_vector_domain;
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extern void init_irq_alloc_info(struct irq_alloc_info *info,
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const struct cpumask *mask);
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extern void copy_irq_alloc_info(struct irq_alloc_info *dst,
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struct irq_alloc_info *src);
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extern struct irq_cfg *irq_cfg(unsigned int irq);
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extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
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extern struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node);
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extern void lock_vector_lock(void);
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extern void unlock_vector_lock(void);
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extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
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extern void clear_irq_vector(int irq, struct irq_cfg *cfg);
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extern void setup_vector_irq(int cpu);
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#ifdef CONFIG_SMP
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extern void send_cleanup_vector(struct irq_cfg *);
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extern void irq_complete_move(struct irq_cfg *cfg);
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#else
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static inline void send_cleanup_vector(struct irq_cfg *c) { }
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static inline void irq_complete_move(struct irq_cfg *c) { }
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#endif
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extern int apic_retrigger_irq(struct irq_data *data);
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extern void apic_ack_edge(struct irq_data *data);
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extern int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
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unsigned int *dest_id);
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#else /* CONFIG_X86_LOCAL_APIC */
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static inline void lock_vector_lock(void) {}
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static inline void unlock_vector_lock(void) {}
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#endif /* CONFIG_X86_LOCAL_APIC */
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#ifdef CONFIG_PCI_MSI
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extern void arch_init_msi_domain(struct irq_domain *domain);
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#else
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static inline void arch_init_msi_domain(struct irq_domain *domain) { }
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#endif
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#ifdef CONFIG_HT_IRQ
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extern void arch_init_htirq_domain(struct irq_domain *domain);
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#else
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static inline void arch_init_htirq_domain(struct irq_domain *domain) { }
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#endif
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/* Statistics */
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extern atomic_t irq_err_count;
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extern atomic_t irq_mis_count;
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/* EISA */
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extern void eisa_set_level_irq(unsigned int irq);
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/* SMP */
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extern __visible void smp_apic_timer_interrupt(struct pt_regs *);
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extern __visible void smp_spurious_interrupt(struct pt_regs *);
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extern __visible void smp_x86_platform_ipi(struct pt_regs *);
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extern __visible void smp_error_interrupt(struct pt_regs *);
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#ifdef CONFIG_X86_IO_APIC
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extern asmlinkage void smp_irq_move_cleanup_interrupt(void);
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#endif
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#ifdef CONFIG_SMP
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extern __visible void smp_reschedule_interrupt(struct pt_regs *);
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extern __visible void smp_call_function_interrupt(struct pt_regs *);
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extern __visible void smp_call_function_single_interrupt(struct pt_regs *);
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extern __visible void smp_invalidate_interrupt(struct pt_regs *);
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#endif
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extern char irq_entries_start[];
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#ifdef CONFIG_TRACING
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#define trace_irq_entries_start irq_entries_start
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#endif
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#define VECTOR_UNDEFINED (-1)
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#define VECTOR_RETRIGGERED (-2)
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typedef int vector_irq_t[NR_VECTORS];
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DECLARE_PER_CPU(vector_irq_t, vector_irq);
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#endif /* !ASSEMBLY_ */
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#endif /* _ASM_X86_HW_IRQ_H */
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