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 u_int stopped_cpus; 53 extern int optcpus; /* from main() */ 54 55 #if 0 56 extern volatile u_int started_cpus; 57 58 extern volatile u_int checkstate_probed_cpus; 59 extern void (*cpustop_restartfunc) (void); 60 61 /* functions in apic_ipl.s */ 62 void apic_eoi (void); 63 u_int io_apic_read (int, int); 64 void io_apic_write (int, int, u_int); 65 66 #endif 67 68 #if 0 69 /* global data in mp_machdep.c */ 70 extern int bsp_apic_ready; 71 extern int mp_naps; 72 extern int mp_nbusses; 73 extern int mp_napics; 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 #endif 83 84 #if 0 85 #define APIC_INTMAPSIZE 24 86 struct apic_intmapinfo { 87 int ioapic; 88 int int_pin; 89 volatile void *apic_address; 90 int redirindex; 91 }; 92 extern struct apic_intmapinfo int_to_apicintpin[]; 93 extern struct pcb stoppcbs[]; 94 95 #endif 96 97 #if 0 98 /* functions in mp_machdep.c */ 99 void *permanent_io_mapping(vm_paddr_t); 100 u_int mp_bootaddress (u_int); 101 int mp_probe (void); 102 #endif 103 void mp_start (void); 104 void mp_announce (void); 105 #if 0 106 u_int isa_apic_mask (u_int); 107 int isa_apic_irq (int); 108 int pci_apic_irq (int, int, int); 109 int apic_irq (int, int); 110 int next_apic_irq (int); 111 int undirect_isa_irq (int); 112 int undirect_pci_irq (int); 113 int apic_bus_type (int); 114 int apic_src_bus_id (int, int); 115 int apic_src_bus_irq (int, int); 116 int apic_int_type (int, int); 117 int apic_trigger (int, int); 118 int apic_polarity (int, int); 119 void assign_apic_irq (int apic, int intpin, int irq); 120 void revoke_apic_irq (int irq); 121 void init_secondary (void); 122 #endif 123 int stop_cpus (u_int); 124 void ap_init (void); 125 int restart_cpus (u_int); 126 #if 0 127 void forward_signal (struct proc *); 128 129 #endif 130 131 #if 0 132 /* global data in mpapic.c */ 133 extern volatile lapic_t lapic; 134 extern volatile ioapic_t **ioapic; 135 #endif 136 137 /* functions in mpapic.c */ 138 #if 0 139 void apic_dump (char*); 140 void apic_initialize (void); 141 void imen_dump (void); 142 int apic_ipi (int, int, int); 143 void selected_apic_ipi (u_int, int, int); 144 void single_apic_ipi(int cpu, int vector, int delivery_mode); 145 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode); 146 int io_apic_setup (int); 147 void io_apic_setup_intpin (int, int); 148 void io_apic_set_id (int, int); 149 int io_apic_get_id (int); 150 int ext_int_setup (int, int); 151 #endif 152 153 #if 0 154 void clr_io_apic_mask24 (int, u_int32_t); 155 void set_io_apic_mask24 (int, u_int32_t); 156 #endif 157 158 #if 0 159 void set_apic_timer (int); 160 int read_apic_timer (void); 161 void u_sleep (int); 162 #endif 163 void cpu_send_ipiq (int); 164 int cpu_send_ipiq_passive (int); 165 166 /* global data in init_smp.c */ 167 extern cpumask_t smp_active_mask; 168 169 #endif /* !LOCORE */ 170 #else /* !SMP */ 171 172 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */ 173 174 #endif 175 176 #endif /* _KERNEL */ 177 #endif /* _MACHINE_SMP_H_ */ 178