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: src/sys/i386/include/smp.h,v 1.50.2.5 2001/02/13 22:32:45 tegge Exp $ 10 */ 11 12 #ifndef _MACHINE_SMP_H_ 13 #define _MACHINE_SMP_H_ 14 15 #ifdef _KERNEL 16 17 #ifndef LOCORE 18 19 #if 0 20 21 /* 22 * For sending values to POST displays. 23 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 24 */ 25 extern int current_postcode; /** XXX currently in mp_machdep.c */ 26 #define POSTCODE(X) current_postcode = (X), \ 27 outb(0x80, current_postcode) 28 #define POSTCODE_LO(X) current_postcode &= 0xf0, \ 29 current_postcode |= ((X) & 0x0f), \ 30 outb(0x80, current_postcode) 31 #define POSTCODE_HI(X) current_postcode &= 0x0f, \ 32 current_postcode |= (((X) << 4) & 0xf0), \ 33 outb(0x80, current_postcode) 34 35 36 #include <machine_base/apic/apicreg.h> 37 #include <machine/pcb.h> 38 39 /* global data in mpboot.s */ 40 extern int bootMP_size; 41 42 /* functions in mpboot.s */ 43 void bootMP (void); 44 45 #endif 46 47 /* global data in apic_vector.s */ 48 extern volatile cpumask_t stopped_cpus; 49 extern int optcpus; /* from main() */ 50 extern int vkernel_b_arg; /* arg from main() */ 51 extern int vkernel_B_arg; /* arg from main() */ 52 53 #if 0 54 extern volatile cpumask_t started_cpus; 55 56 extern volatile cpumask_t checkstate_probed_cpus; 57 extern void (*cpustop_restartfunc) (void); 58 59 /* functions in apic_ipl.s */ 60 u_int io_apic_read (int, int); 61 void io_apic_write (int, int, u_int); 62 63 #endif 64 65 #if 0 66 /* global data in mp_machdep.c */ 67 extern int bsp_apic_ready; 68 extern int mp_naps; 69 extern int mp_nbusses; 70 extern int mp_napics; 71 extern int boot_cpu_id; 72 extern vm_offset_t cpu_apic_address; 73 extern vm_offset_t io_apic_address[]; 74 extern u_int32_t cpu_apic_versions[]; 75 extern u_int32_t *io_apic_versions; 76 extern int cpu_num_to_apic_id[]; 77 extern int io_num_to_apic_id[]; 78 extern int apic_id_to_logical[]; 79 #endif 80 81 #if 0 82 #define APIC_INTMAPSIZE 24 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 #endif 93 94 #if 0 95 /* functions in mp_machdep.c */ 96 void *permanent_io_mapping(vm_paddr_t); 97 u_int mp_bootaddress (u_int); 98 int mp_probe (void); 99 #endif 100 void mp_start (void); 101 void mp_announce (void); 102 #if 0 103 u_int isa_apic_mask (u_int); 104 int isa_apic_irq (int); 105 int pci_apic_irq (int, int, int); 106 int apic_irq (int, int); 107 int next_apic_irq (int); 108 int undirect_isa_irq (int); 109 int undirect_pci_irq (int); 110 int apic_bus_type (int); 111 int apic_src_bus_id (int, int); 112 int apic_src_bus_irq (int, int); 113 int apic_int_type (int, int); 114 int apic_trigger (int, int); 115 int apic_polarity (int, int); 116 void assign_apic_irq (int apic, int intpin, int irq); 117 void revoke_apic_irq (int irq); 118 void init_secondary (void); 119 #endif 120 int stop_cpus (cpumask_t); 121 void ap_init (void); 122 int restart_cpus (cpumask_t); 123 #if 0 124 void forward_signal (struct proc *); 125 126 #endif 127 128 #if 0 129 /* global data in mpapic.c */ 130 extern volatile lapic_t lapic; 131 extern volatile ioapic_t **ioapic; 132 #endif 133 134 /* functions in mpapic.c */ 135 #if 0 136 void apic_dump (char*); 137 void apic_initialize (void); 138 void imen_dump (void); 139 int apic_ipi (int, int, int); 140 void selected_apic_ipi (cpumask_t, int, int); 141 void single_apic_ipi(int cpu, int vector, int delivery_mode); 142 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode); 143 int io_apic_setup (int); 144 void io_apic_setup_intpin (int, int); 145 void io_apic_set_id (int, int); 146 int io_apic_get_id (int); 147 int ext_int_setup (int, int); 148 #endif 149 150 #if 0 151 void clr_io_apic_mask24 (int, u_int32_t); 152 void set_io_apic_mask24 (int, u_int32_t); 153 #endif 154 155 #if 0 156 void set_apic_timer (int); 157 int read_apic_timer (void); 158 void u_sleep (int); 159 #endif 160 void cpu_send_ipiq (int); 161 int cpu_send_ipiq_passive (int); 162 163 /* global data in init_smp.c */ 164 extern cpumask_t smp_active_mask; 165 166 /* Detect CPU topology bits */ 167 void detect_cpu_topology(void); 168 169 /* Interface functions for IDs calculation */ 170 int get_chip_ID(int cpuid); 171 int get_core_number_within_chip(int cpuid); 172 int get_logical_CPU_number_within_core(int cpuid); 173 174 /* Assume that APICID = CPUID for virtual processors */ 175 #define get_cpuid_from_apicid(cpuid) cpuid 176 #define get_apicid_from_cpuid(cpuid) cpuid 177 178 #endif /* !LOCORE */ 179 180 #endif /* _KERNEL */ 181 #endif /* _MACHINE_SMP_H_ */ 182