#ifndef __ASM_IA64_IOSAPIC_H #define __ASM_IA64_IOSAPIC_H #define IOSAPIC_REG_SELECT 0x0 #define IOSAPIC_WINDOW 0x10 #define IOSAPIC_EOI 0x40 #define IOSAPIC_VERSION 0x1 /* * Redirection table entry */ #define IOSAPIC_RTE_LOW(i) (0x10+i*2) #define IOSAPIC_RTE_HIGH(i) (0x11+i*2) #define IOSAPIC_DEST_SHIFT 16 /* * Delivery mode */ #define IOSAPIC_DELIVERY_SHIFT 8 #define IOSAPIC_FIXED 0x0 #define IOSAPIC_LOWEST_PRIORITY 0x1 #define IOSAPIC_PMI 0x2 #define IOSAPIC_NMI 0x4 #define IOSAPIC_INIT 0x5 #define IOSAPIC_EXTINT 0x7 /* * Interrupt polarity */ #define IOSAPIC_POLARITY_SHIFT 13 #define IOSAPIC_POL_HIGH 0 #define IOSAPIC_POL_LOW 1 /* * Trigger mode */ #define IOSAPIC_TRIGGER_SHIFT 15 #define IOSAPIC_EDGE 0 #define IOSAPIC_LEVEL 1 /* * Mask bit */ #define IOSAPIC_MASK_SHIFT 16 #define IOSAPIC_MASK (1<<IOSAPIC_MASK_SHIFT) #define IOSAPIC_VECTOR_MASK 0xffffff00 #ifndef __ASSEMBLY__ #ifdef CONFIG_IOSAPIC #define NR_IOSAPICS 256 static inline unsigned int __iosapic_read(char __iomem *iosapic, unsigned int reg) { writel(reg, iosapic + IOSAPIC_REG_SELECT); return readl(iosapic + IOSAPIC_WINDOW); } static inline void __iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) { writel(reg, iosapic + IOSAPIC_REG_SELECT); writel(val, iosapic + IOSAPIC_WINDOW); } static inline void iosapic_eoi(char __iomem *iosapic, u32 vector) { writel(vector, iosapic + IOSAPIC_EOI); } extern void __init iosapic_system_init (int pcat_compat); extern int __devinit iosapic_init (unsigned long address, unsigned int gsi_base); #ifdef CONFIG_HOTPLUG extern int iosapic_remove (unsigned int gsi_base); #else #define iosapic_remove(gsi_base) (-EINVAL) #endif /* CONFIG_HOTPLUG */ extern int gsi_to_irq (unsigned int gsi); extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity, unsigned long trigger); extern void iosapic_unregister_intr (unsigned int irq); extern void __devinit iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi, unsigned long polarity, unsigned long trigger); extern int __init iosapic_register_platform_intr (u32 int_type, unsigned int gsi, int pmi_vector, u16 eid, u16 id, unsigned long polarity, unsigned long trigger); #ifdef CONFIG_NUMA extern void __devinit map_iosapic_to_node (unsigned int, int); #endif #else #define iosapic_system_init(pcat_compat) do { } while (0) #define iosapic_init(address,gsi_base) (-EINVAL) #define iosapic_remove(gsi_base) (-ENODEV) #define iosapic_register_intr(gsi,polarity,trigger) (gsi) #define iosapic_unregister_intr(irq) do { } while (0) #define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger) do { } while (0) #define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \ polarity,trigger) (gsi) #endif # endif /* !__ASSEMBLY__ */ #endif /* __ASM_IA64_IOSAPIC_H */