diff options
Diffstat (limited to 'arch/x86/include/asm/hw_irq.h')
| -rw-r--r-- | arch/x86/include/asm/hw_irq.h | 111 |
1 files changed, 52 insertions, 59 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 74c12437401e..cbe19e669080 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -16,9 +16,7 @@ #include <asm/irq_vectors.h> -#define IRQ_MATRIX_BITS NR_VECTORS - -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/percpu.h> #include <linux/profile.h> @@ -28,7 +26,7 @@ #include <asm/irq.h> #include <asm/sections.h> -#ifdef CONFIG_X86_LOCAL_APIC +#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY struct irq_data; struct pci_dev; struct msi_desc; @@ -36,61 +34,54 @@ struct msi_desc; enum irq_alloc_type { X86_IRQ_ALLOC_TYPE_IOAPIC = 1, X86_IRQ_ALLOC_TYPE_HPET, - X86_IRQ_ALLOC_TYPE_MSI, - X86_IRQ_ALLOC_TYPE_MSIX, + X86_IRQ_ALLOC_TYPE_PCI_MSI, + X86_IRQ_ALLOC_TYPE_PCI_MSIX, X86_IRQ_ALLOC_TYPE_DMAR, + X86_IRQ_ALLOC_TYPE_AMDVI, X86_IRQ_ALLOC_TYPE_UV, }; +struct ioapic_alloc_info { + int pin; + int node; + u32 is_level : 1; + u32 active_low : 1; + u32 valid : 1; +}; + +struct uv_alloc_info { + int limit; + int blade; + unsigned long offset; + char *name; + +}; + +/** + * irq_alloc_info - X86 specific interrupt allocation info + * @type: X86 specific allocation type + * @flags: Flags for allocation tweaks + * @devid: Device ID for allocations + * @hwirq: Associated hw interrupt number in the domain + * @mask: CPU mask for vector allocation + * @desc: Pointer to msi descriptor + * @data: Allocation specific data + * + * @ioapic: IOAPIC specific allocation data + * @uv: UV specific allocation data +*/ struct irq_alloc_info { enum irq_alloc_type type; u32 flags; - const struct cpumask *mask; /* CPU mask for vector allocation */ + u32 devid; + irq_hw_number_t hwirq; + const struct cpumask *mask; + struct msi_desc *desc; + void *data; + union { - int unused; -#ifdef CONFIG_HPET_TIMER - struct { - int hpet_id; - int hpet_index; - void *hpet_data; - }; -#endif -#ifdef CONFIG_PCI_MSI - struct { - struct pci_dev *msi_dev; - irq_hw_number_t msi_hwirq; - }; -#endif -#ifdef CONFIG_X86_IO_APIC - struct { - int ioapic_id; - int ioapic_pin; - int ioapic_node; - u32 ioapic_trigger : 1; - u32 ioapic_polarity : 1; - u32 ioapic_valid : 1; - struct IO_APIC_route_entry *ioapic_entry; - }; -#endif -#ifdef CONFIG_DMAR_TABLE - struct { - int dmar_id; - void *dmar_data; - }; -#endif -#ifdef CONFIG_X86_UV - struct { - int uv_limit; - int uv_blade; - unsigned long uv_offset; - char *uv_name; - }; -#endif -#if IS_ENABLED(CONFIG_VMD) - struct { - struct msi_desc *desc; - }; -#endif + struct ioapic_alloc_info ioapic; + struct uv_alloc_info uv; }; }; @@ -101,21 +92,23 @@ struct irq_cfg { extern struct irq_cfg *irq_cfg(unsigned int irq); extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data); -extern void lock_vector_lock(void); -extern void unlock_vector_lock(void); #ifdef CONFIG_SMP -extern void send_cleanup_vector(struct irq_cfg *); +extern void vector_schedule_cleanup(struct irq_cfg *); extern void irq_complete_move(struct irq_cfg *cfg); #else -static inline void send_cleanup_vector(struct irq_cfg *c) { } +static inline void vector_schedule_cleanup(struct irq_cfg *c) { } static inline void irq_complete_move(struct irq_cfg *c) { } #endif - extern void apic_ack_edge(struct irq_data *data); -#else /* CONFIG_X86_LOCAL_APIC */ +#endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */ + +#ifdef CONFIG_X86_LOCAL_APIC +extern void lock_vector_lock(void); +extern void unlock_vector_lock(void); +#else static inline void lock_vector_lock(void) {} static inline void unlock_vector_lock(void) {} -#endif /* CONFIG_X86_LOCAL_APIC */ +#endif /* Statistics */ extern atomic_t irq_err_count; @@ -137,6 +130,6 @@ extern char spurious_entries_start[]; typedef struct irq_desc* vector_irq_t[NR_VECTORS]; DECLARE_PER_CPU(vector_irq_t, vector_irq); -#endif /* !ASSEMBLY_ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_X86_HW_IRQ_H */ |
