/* * ---------------------------------------------------------------------------- * "THE BEER-WARE LICENSE" (Revision 42): * wrote this file. As long as you retain this notice you * can do whatever you want with this stuff. If we meet some day, and you think * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp * ---------------------------------------------------------------------------- * * $FreeBSD: src/sys/i386/include/smp.h,v 1.50.2.5 2001/02/13 22:32:45 tegge Exp $ * $DragonFly: src/sys/platform/pc32/include/smp.h,v 1.20 2006/11/07 06:43:24 dillon Exp $ * */ #ifndef _MACHINE_SMP_H_ #define _MACHINE_SMP_H_ #ifdef _KERNEL #ifndef LOCORE /* XXX wrong header */ void initializecpu(void); #endif /* LOCORE */ #if defined(SMP) #ifndef LOCORE /* * For sending values to POST displays. * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? */ extern int current_postcode; /** XXX currently in mp_machdep.c */ #define POSTCODE(X) current_postcode = (X), \ outb(0x80, current_postcode) #define POSTCODE_LO(X) current_postcode &= 0xf0, \ current_postcode |= ((X) & 0x0f), \ outb(0x80, current_postcode) #define POSTCODE_HI(X) current_postcode &= 0x0f, \ current_postcode |= (((X) << 4) & 0xf0), \ outb(0x80, current_postcode) #include #include /* global symbols in mpboot.S */ extern char mptramp_start[]; extern char mptramp_end[]; extern u_int32_t mptramp_pagetables; /* functions in mpboot.s */ void bootMP (void); /* global data in apic_vector.s */ extern volatile cpumask_t stopped_cpus; extern volatile cpumask_t started_cpus; extern volatile u_int checkstate_probed_cpus; extern void (*cpustop_restartfunc) (void); /* functions in apic_ipl.s */ u_int ioapic_read (volatile void *, int); void ioapic_write (volatile void *, int, u_int); /* global data in mp_machdep.c */ extern int apic_io_enable; extern int ioapic_use_old; extern int mp_naps; extern int mp_napics; extern vm_offset_t io_apic_address[]; extern u_int32_t cpu_apic_versions[]; extern u_int32_t *io_apic_versions; extern int cpu_num_to_apic_id[]; extern int io_num_to_apic_id[]; extern int apic_id_to_logical[]; #define APIC_INTMAPSIZE 192 /* * NOTE: * - Keep size of apic_intmapinfo power of 2 * - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size */ struct apic_intmapinfo { int ioapic; int int_pin; volatile void *apic_address; int redirindex; uint32_t flags; /* IOAPIC_IM_FLAG_ */ uint32_t pad[2]; }; #define IOAPIC_IM_SZSHIFT 5 #define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */ #define IOAPIC_IM_FLAG_MASKED 0x2 extern struct apic_intmapinfo int_to_apicintpin[]; extern struct pcb stoppcbs[]; /* functions in mp_machdep.c */ void *ioapic_map(vm_paddr_t); u_int mp_bootaddress (u_int); void mp_start (void); void mp_announce (void); void mp_set_cpuids (int, int); u_int isa_apic_mask (u_int); int isa_apic_irq (int); int pci_apic_irq (int, int, int); int apic_irq (int, int); int next_apic_irq (int); int undirect_isa_irq (int); int undirect_pci_irq (int); int apic_bus_type (int); int apic_src_bus_id (int, int); int apic_src_bus_irq (int, int); int apic_int_type (int, int); int apic_trigger (int, int); int apic_polarity (int, int); void assign_apic_irq (int apic, int intpin, int irq); void revoke_apic_irq (int irq); void init_secondary (void); int stop_cpus (cpumask_t); void ap_init (void); int restart_cpus (cpumask_t); void forward_signal (struct proc *); #ifndef _SYS_QUEUE_H_ #include #endif struct lapic_enumerator { int lapic_prio; TAILQ_ENTRY(lapic_enumerator) lapic_link; int (*lapic_probe)(struct lapic_enumerator *); void (*lapic_enumerate)(struct lapic_enumerator *); }; #define LAPIC_ENUM_PRIO_MPTABLE 20 #define LAPIC_ENUM_PRIO_MADT 40 struct ioapic_enumerator { int ioapic_prio; TAILQ_ENTRY(ioapic_enumerator) ioapic_link; int (*ioapic_probe)(struct ioapic_enumerator *); void (*ioapic_enumerate)(struct ioapic_enumerator *); }; #define IOAPIC_ENUM_PRIO_MPTABLE 20 #define IOAPIC_ENUM_PRIO_MADT 10 /* global data in mpapic.c */ extern volatile lapic_t *lapic; extern volatile ioapic_t **ioapic; extern int lapic_id_max; /* functions in mpapic.c */ void apic_dump (char*); void apic_initialize (boolean_t); void imen_dump (void); int apic_ipi (int, int, int); void selected_apic_ipi (cpumask_t, int, int); void single_apic_ipi(int cpu, int vector, int delivery_mode); int single_apic_ipi_passive(int cpu, int vector, int delivery_mode); int io_apic_setup (int); void io_apic_setup_intpin (int, int); void io_apic_set_id (int, int); int io_apic_get_id (int); int ext_int_setup (int, int); void lapic_config(void); void lapic_enumerator_register(struct lapic_enumerator *); void ioapic_config(void); void ioapic_enumerator_register(struct ioapic_enumerator *); void ioapic_add(void *, int, int); void ioapic_intsrc(int, int); void *ioapic_gsi_ioaddr(int); int ioapic_gsi_pin(int); #if defined(READY) void clr_io_apic_mask24 (int, u_int32_t); void set_io_apic_mask24 (int, u_int32_t); #endif /* READY */ void set_apic_timer (int); int get_apic_timer_frequency(void); int read_apic_timer (void); void u_sleep (int); void cpu_send_ipiq (int); int cpu_send_ipiq_passive (int); /* global data in init_smp.c */ extern cpumask_t smp_active_mask; #endif /* !LOCORE */ #else /* !SMP */ #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */ #endif #endif /* _KERNEL */ #endif /* _MACHINE_SMP_H_ */