diff options
Diffstat (limited to 'kernel/arch/x86/include/asm/io_apic.h')
| -rw-r--r-- | kernel/arch/x86/include/asm/io_apic.h | 114 |
1 files changed, 32 insertions, 82 deletions
diff --git a/kernel/arch/x86/include/asm/io_apic.h b/kernel/arch/x86/include/asm/io_apic.h index 2f91685fe..6cbf2cfb3 100644 --- a/kernel/arch/x86/include/asm/io_apic.h +++ b/kernel/arch/x86/include/asm/io_apic.h @@ -95,9 +95,22 @@ struct IR_IO_APIC_route_entry { index : 15; } __attribute__ ((packed)); -#define IOAPIC_AUTO -1 -#define IOAPIC_EDGE 0 -#define IOAPIC_LEVEL 1 +struct irq_alloc_info; +struct ioapic_domain_cfg; + +#define IOAPIC_AUTO -1 +#define IOAPIC_EDGE 0 +#define IOAPIC_LEVEL 1 + +#define IOAPIC_MASKED 1 +#define IOAPIC_UNMASKED 0 + +#define IOAPIC_POL_HIGH 0 +#define IOAPIC_POL_LOW 1 + +#define IOAPIC_DEST_MODE_PHYSICAL 0 +#define IOAPIC_DEST_MODE_LOGICAL 1 + #define IOAPIC_MAP_ALLOC 0x1 #define IOAPIC_MAP_CHECK 0x2 @@ -110,9 +123,6 @@ extern int nr_ioapics; extern int mpc_ioapic_id(int ioapic); extern unsigned int mpc_ioapic_addr(int ioapic); -extern struct mp_ioapic_gsi *mp_ioapic_gsi_routing(int ioapic); - -#define MP_MAX_IOAPIC_PIN 127 /* # of MP IRQ source entries */ extern int mp_irq_entries; @@ -120,9 +130,6 @@ extern int mp_irq_entries; /* MP IRQ source entries */ extern struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES]; -/* Older SiS APIC requires we rewrite the index register */ -extern int sis_apic_bug; - /* 1 if "noapic" boot option passed */ extern int skip_ioapic_setup; @@ -132,6 +139,8 @@ extern int noioapicquirk; /* -1 if "noapic" boot option passed */ extern int noioapicreroute; +extern u32 gsi_top; + extern unsigned long io_apic_irqs; #define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1 << (x)) & io_apic_irqs)) @@ -147,13 +156,6 @@ struct irq_cfg; extern void ioapic_insert_resources(void); extern int arch_early_ioapic_init(void); -extern int native_setup_ioapic_entry(int, struct IO_APIC_route_entry *, - unsigned int, int, - struct io_apic_irq_attr *); -extern void eoi_ioapic_irq(unsigned int irq, struct irq_cfg *cfg); - -extern void native_eoi_ioapic_pin(int apic, int pin, int vector); - extern int save_ioapic_entries(void); extern void mask_ioapic_entries(void); extern int restore_ioapic_entries(void); @@ -161,82 +163,32 @@ extern int restore_ioapic_entries(void); extern void setup_ioapic_ids_from_mpc(void); extern void setup_ioapic_ids_from_mpc_nocheck(void); -struct io_apic_irq_attr { - int ioapic; - int ioapic_pin; - int trigger; - int polarity; -}; - -enum ioapic_domain_type { - IOAPIC_DOMAIN_INVALID, - IOAPIC_DOMAIN_LEGACY, - IOAPIC_DOMAIN_STRICT, - IOAPIC_DOMAIN_DYNAMIC, -}; - -struct device_node; -struct irq_domain; -struct irq_domain_ops; - -struct ioapic_domain_cfg { - enum ioapic_domain_type type; - const struct irq_domain_ops *ops; - struct device_node *dev; -}; - -struct mp_ioapic_gsi{ - u32 gsi_base; - u32 gsi_end; -}; -extern u32 gsi_top; - extern int mp_find_ioapic(u32 gsi); extern int mp_find_ioapic_pin(int ioapic, u32 gsi); -extern u32 mp_pin_to_gsi(int ioapic, int pin); -extern int mp_map_gsi_to_irq(u32 gsi, unsigned int flags); +extern int mp_map_gsi_to_irq(u32 gsi, unsigned int flags, + struct irq_alloc_info *info); extern void mp_unmap_irq(int irq); extern int mp_register_ioapic(int id, u32 address, u32 gsi_base, struct ioapic_domain_cfg *cfg); extern int mp_unregister_ioapic(u32 gsi_base); extern int mp_ioapic_registered(u32 gsi_base); -extern int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq, - irq_hw_number_t hwirq); -extern void mp_irqdomain_unmap(struct irq_domain *domain, unsigned int virq); -extern int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node); -extern void __init pre_init_apic_IRQ0(void); + +extern void ioapic_set_alloc_attr(struct irq_alloc_info *info, + int node, int trigger, int polarity); extern void mp_save_irq(struct mpc_intsrc *m); extern void disable_ioapic_support(void); -extern void __init native_io_apic_init_mappings(void); +extern void __init io_apic_init_mappings(void); extern unsigned int native_io_apic_read(unsigned int apic, unsigned int reg); -extern void native_io_apic_write(unsigned int apic, unsigned int reg, unsigned int val); -extern void native_io_apic_modify(unsigned int apic, unsigned int reg, unsigned int val); extern void native_disable_io_apic(void); -extern void native_io_apic_print_entries(unsigned int apic, unsigned int nr_entries); -extern void intel_ir_io_apic_print_entries(unsigned int apic, unsigned int nr_entries); -extern int native_ioapic_set_affinity(struct irq_data *, - const struct cpumask *, - bool); static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg) { return x86_io_apic_ops.read(apic, reg); } -static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned int value) -{ - x86_io_apic_ops.write(apic, reg, value); -} -static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value) -{ - x86_io_apic_ops.modify(apic, reg, value); -} - -extern void io_apic_eoi(unsigned int apic, unsigned int vector); - extern void setup_IO_APIC(void); extern void enable_IO_APIC(void); extern void disable_IO_APIC(void); @@ -253,8 +205,12 @@ static inline int arch_early_ioapic_init(void) { return 0; } static inline void print_IO_APICs(void) {} #define gsi_top (NR_IRQS_LEGACY) static inline int mp_find_ioapic(u32 gsi) { return 0; } -static inline u32 mp_pin_to_gsi(int ioapic, int pin) { return UINT_MAX; } -static inline int mp_map_gsi_to_irq(u32 gsi, unsigned int flags) { return gsi; } +static inline int mp_map_gsi_to_irq(u32 gsi, unsigned int flags, + struct irq_alloc_info *info) +{ + return gsi; +} + static inline void mp_unmap_irq(int irq) { } static inline int save_ioapic_entries(void) @@ -268,17 +224,11 @@ static inline int restore_ioapic_entries(void) return -ENOMEM; } -static inline void mp_save_irq(struct mpc_intsrc *m) { }; +static inline void mp_save_irq(struct mpc_intsrc *m) { } static inline void disable_ioapic_support(void) { } -#define native_io_apic_init_mappings NULL +static inline void io_apic_init_mappings(void) { } #define native_io_apic_read NULL -#define native_io_apic_write NULL -#define native_io_apic_modify NULL #define native_disable_io_apic NULL -#define native_io_apic_print_entries NULL -#define native_ioapic_set_affinity NULL -#define native_setup_ioapic_entry NULL -#define native_eoi_ioapic_pin NULL static inline void setup_IO_APIC(void) { } static inline void enable_IO_APIC(void) { } |