1 /* 2 * ---------------------------------------------------------------------------- 3 * "THE BEER-WARE LICENSE" (Revision 42): 4 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 5 * can do whatever you want with this stuff. If we meet some day, and you think 6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7 * ---------------------------------------------------------------------------- 8 * 9 * $FreeBSD$ 10 * 11 */ 12 13 #ifndef _MACHINE_SMP_H_ 14 #define _MACHINE_SMP_H_ 15 16 #ifdef _KERNEL 17 18 #if defined(SMP) && defined(I386_CPU) && !defined(COMPILING_LINT) 19 #error SMP not supported with I386_CPU 20 #endif 21 #if defined(SMP) && !defined(APIC_IO) 22 # error APIC_IO required for SMP, add "options APIC_IO" to your config file. 23 #endif /* SMP && !APIC_IO */ 24 25 #if defined(SMP) || defined(APIC_IO) 26 27 #ifndef LOCORE 28 29 /* 30 * For sending values to POST displays. 31 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 32 */ 33 extern int current_postcode; /** XXX currently in mp_machdep.c */ 34 #define POSTCODE(X) current_postcode = (X), \ 35 outb(0x80, current_postcode) 36 #define POSTCODE_LO(X) current_postcode &= 0xf0, \ 37 current_postcode |= ((X) & 0x0f), \ 38 outb(0x80, current_postcode) 39 #define POSTCODE_HI(X) current_postcode &= 0x0f, \ 40 current_postcode |= (((X) << 4) & 0xf0), \ 41 outb(0x80, current_postcode) 42 43 44 #include <sys/bus.h> /* XXX */ 45 #include <machine/apic.h> 46 #include <machine/frame.h> 47 #include <i386/isa/icu.h> 48 #include <i386/isa/intr_machdep.h> 49 50 /* 51 * Interprocessor interrupts for SMP. 52 */ 53 #define IPI_INVLTLB XINVLTLB_OFFSET 54 #define IPI_INVLPG XINVLPG_OFFSET 55 #define IPI_INVLRNG XINVLRNG_OFFSET 56 #define IPI_RENDEZVOUS XRENDEZVOUS_OFFSET 57 #define IPI_AST XCPUAST_OFFSET 58 #define IPI_STOP XCPUSTOP_OFFSET 59 #define IPI_HARDCLOCK XHARDCLOCK_OFFSET 60 #define IPI_STATCLOCK XSTATCLOCK_OFFSET 61 62 /* global data in mpboot.s */ 63 extern int bootMP_size; 64 65 /* functions in mpboot.s */ 66 void bootMP(void); 67 68 /* global data in mp_machdep.c */ 69 extern int bsp_apic_ready; 70 extern int mp_naps; 71 extern int mp_nbusses; 72 extern int mp_napics; 73 extern int mp_picmode; 74 extern int boot_cpu_id; 75 extern vm_offset_t cpu_apic_address; 76 extern vm_offset_t io_apic_address[]; 77 extern u_int32_t cpu_apic_versions[]; 78 extern u_int32_t *io_apic_versions; 79 extern int cpu_num_to_apic_id[]; 80 extern int io_num_to_apic_id[]; 81 extern int apic_id_to_logical[]; 82 #define APIC_INTMAPSIZE 32 83 struct apic_intmapinfo { 84 int ioapic; 85 int int_pin; 86 volatile void *apic_address; 87 int redirindex; 88 }; 89 extern struct apic_intmapinfo int_to_apicintpin[]; 90 extern struct pcb stoppcbs[]; 91 92 /* functions in mp_machdep.c */ 93 void i386_mp_probe(void); 94 u_int mp_bootaddress(u_int); 95 u_int isa_apic_mask(u_int); 96 int isa_apic_irq(int); 97 int pci_apic_irq(int, int, int); 98 int apic_irq(int, int); 99 int next_apic_irq(int); 100 int undirect_isa_irq(int); 101 int undirect_pci_irq(int); 102 int apic_bus_type(int); 103 int apic_src_bus_id(int, int); 104 int apic_src_bus_irq(int, int); 105 int apic_int_type(int, int); 106 int apic_trigger(int, int); 107 int apic_polarity(int, int); 108 void assign_apic_irq(int apic, int intpin, int irq); 109 void revoke_apic_irq(int irq); 110 void bsp_apic_configure(void); 111 void init_secondary(void); 112 void forward_statclock(void); 113 void forwarded_statclock(struct trapframe frame); 114 void forward_hardclock(void); 115 void forwarded_hardclock(struct trapframe frame); 116 void ipi_selected(u_int cpus, u_int ipi); 117 void ipi_all(u_int ipi); 118 void ipi_all_but_self(u_int ipi); 119 void ipi_self(u_int ipi); 120 #ifdef APIC_INTR_REORDER 121 void set_lapic_isrloc(int, int); 122 #endif /* APIC_INTR_REORDER */ 123 void smp_invlpg(vm_offset_t addr); 124 void smp_masked_invlpg(u_int mask, vm_offset_t addr); 125 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 126 void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 127 vm_offset_t endva); 128 void smp_invltlb(void); 129 void smp_masked_invltlb(u_int mask); 130 131 /* global data in mpapic.c */ 132 extern volatile lapic_t lapic; 133 extern volatile ioapic_t **ioapic; 134 135 /* functions in mpapic.c */ 136 void apic_dump(char*); 137 void apic_initialize(void); 138 void imen_dump(void); 139 int apic_ipi(int, int, int); 140 int selected_apic_ipi(u_int, int, int); 141 int io_apic_setup(int); 142 void io_apic_setup_intpin(int, int); 143 void io_apic_set_id(int, int); 144 int io_apic_get_id(int); 145 int ext_int_setup(int, int); 146 147 void set_apic_timer(int); 148 int read_apic_timer(void); 149 void u_sleep(int); 150 u_int io_apic_read(int, int); 151 void io_apic_write(int, int, u_int); 152 153 #endif /* !LOCORE */ 154 #endif /* SMP && !APIC_IO */ 155 156 #endif /* _KERNEL */ 157 #endif /* _MACHINE_SMP_H_ */ 158