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 * $DragonFly: src/sys/platform/vkernel/include/smp.h,v 1.3 2007/07/02 02:37:04 dillon Exp $ 11 * 12 */ 13 14 #ifndef _MACHINE_SMP_H_ 15 #define _MACHINE_SMP_H_ 16 17 #ifdef _KERNEL 18 19 #if defined(SMP) 20 21 #ifndef LOCORE 22 23 #if 0 24 25 /* 26 * For sending values to POST displays. 27 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 28 */ 29 extern int current_postcode; /** XXX currently in mp_machdep.c */ 30 #define POSTCODE(X) current_postcode = (X), \ 31 outb(0x80, current_postcode) 32 #define POSTCODE_LO(X) current_postcode &= 0xf0, \ 33 current_postcode |= ((X) & 0x0f), \ 34 outb(0x80, current_postcode) 35 #define POSTCODE_HI(X) current_postcode &= 0x0f, \ 36 current_postcode |= (((X) << 4) & 0xf0), \ 37 outb(0x80, current_postcode) 38 39 40 #include <machine_base/apic/apicreg.h> 41 #include <machine/pcb.h> 42 43 /* global data in mpboot.s */ 44 extern int bootMP_size; 45 46 /* functions in mpboot.s */ 47 void bootMP (void); 48 49 #endif 50 51 /* global data in apic_vector.s */ 52 extern volatile cpumask_t stopped_cpus; 53 extern int optcpus; /* from main() */ 54 55 #if 0 56 extern volatile cpumask_t started_cpus; 57 58 extern volatile cpumask_t checkstate_probed_cpus; 59 extern void (*cpustop_restartfunc) (void); 60 61 /* functions in apic_ipl.s */ 62 u_int io_apic_read (int, int); 63 void io_apic_write (int, int, u_int); 64 65 #endif 66 67 #if 0 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 boot_cpu_id; 74 extern vm_offset_t cpu_apic_address; 75 extern vm_offset_t io_apic_address[]; 76 extern u_int32_t cpu_apic_versions[]; 77 extern u_int32_t *io_apic_versions; 78 extern int cpu_num_to_apic_id[]; 79 extern int io_num_to_apic_id[]; 80 extern int apic_id_to_logical[]; 81 #endif 82 83 #if 0 84 #define APIC_INTMAPSIZE 24 85 struct apic_intmapinfo { 86 int ioapic; 87 int int_pin; 88 volatile void *apic_address; 89 int redirindex; 90 }; 91 extern struct apic_intmapinfo int_to_apicintpin[]; 92 extern struct pcb stoppcbs[]; 93 94 #endif 95 96 #if 0 97 /* functions in mp_machdep.c */ 98 void *permanent_io_mapping(vm_paddr_t); 99 u_int mp_bootaddress (u_int); 100 int mp_probe (void); 101 #endif 102 void mp_start (void); 103 void mp_announce (void); 104 #if 0 105 u_int isa_apic_mask (u_int); 106 int isa_apic_irq (int); 107 int pci_apic_irq (int, int, int); 108 int apic_irq (int, int); 109 int next_apic_irq (int); 110 int undirect_isa_irq (int); 111 int undirect_pci_irq (int); 112 int apic_bus_type (int); 113 int apic_src_bus_id (int, int); 114 int apic_src_bus_irq (int, int); 115 int apic_int_type (int, int); 116 int apic_trigger (int, int); 117 int apic_polarity (int, int); 118 void assign_apic_irq (int apic, int intpin, int irq); 119 void revoke_apic_irq (int irq); 120 void init_secondary (void); 121 #endif 122 int stop_cpus (cpumask_t); 123 void ap_init (void); 124 int restart_cpus (cpumask_t); 125 #if 0 126 void forward_signal (struct proc *); 127 128 #endif 129 130 #if 0 131 /* global data in mpapic.c */ 132 extern volatile lapic_t lapic; 133 extern volatile ioapic_t **ioapic; 134 #endif 135 136 /* functions in mpapic.c */ 137 #if 0 138 void apic_dump (char*); 139 void apic_initialize (void); 140 void imen_dump (void); 141 int apic_ipi (int, int, int); 142 void selected_apic_ipi (cpumask_t, int, int); 143 void single_apic_ipi(int cpu, int vector, int delivery_mode); 144 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode); 145 int io_apic_setup (int); 146 void io_apic_setup_intpin (int, int); 147 void io_apic_set_id (int, int); 148 int io_apic_get_id (int); 149 int ext_int_setup (int, int); 150 #endif 151 152 #if 0 153 void clr_io_apic_mask24 (int, u_int32_t); 154 void set_io_apic_mask24 (int, u_int32_t); 155 #endif 156 157 #if 0 158 void set_apic_timer (int); 159 int read_apic_timer (void); 160 void u_sleep (int); 161 #endif 162 void cpu_send_ipiq (int); 163 int cpu_send_ipiq_passive (int); 164 165 /* global data in init_smp.c */ 166 extern cpumask_t smp_active_mask; 167 168 #endif /* !LOCORE */ 169 #else /* !SMP */ 170 171 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */ 172 173 #endif 174 175 #endif /* _KERNEL */ 176 #endif /* _MACHINE_SMP_H_ */ 177