| | 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 | extern int vkernel_b_arg; /* arg from main() */ |
| | 55 | extern int vkernel_B_arg; /* arg from main() */ |
| | 56 | |
| | 57 | #if 0 |
| | 58 | extern volatile cpumask_t started_cpus; |
| | 59 | |
| | 60 | extern volatile cpumask_t checkstate_probed_cpus; |
| | 61 | extern void (*cpustop_restartfunc) (void); |
| | 62 | |
| | 63 | /* functions in apic_ipl.s */ |
| | 64 | u_int io_apic_read (int, int); |
| | 65 | void io_apic_write (int, int, u_int); |
| | 66 | |
| | 67 | #endif |
| | 68 | |
| | 69 | #if 0 |
| | 70 | /* global data in mp_machdep.c */ |
| | 71 | extern int bsp_apic_ready; |
| | 72 | extern int mp_naps; |
| | 73 | extern int mp_nbusses; |
| | 74 | extern int mp_napics; |
| | 75 | extern int boot_cpu_id; |
| | 76 | extern vm_offset_t cpu_apic_address; |
| | 77 | extern vm_offset_t io_apic_address[]; |
| | 78 | extern u_int32_t cpu_apic_versions[]; |
| | 79 | extern u_int32_t *io_apic_versions; |
| | 80 | extern int cpu_num_to_apic_id[]; |
| | 81 | extern int io_num_to_apic_id[]; |
| | 82 | extern int apic_id_to_logical[]; |
| | 83 | #endif |
| | 84 | |
| | 85 | #if 0 |
| | 86 | #define APIC_INTMAPSIZE 24 |
| | 87 | struct apic_intmapinfo { |
| | 88 | int ioapic; |
| | 89 | int int_pin; |
| | 90 | volatile void *apic_address; |
| | 91 | int redirindex; |
| | 92 | }; |
| | 93 | extern struct apic_intmapinfo int_to_apicintpin[]; |
| | 94 | extern struct pcb stoppcbs[]; |
| | 95 | |
| | 96 | #endif |
| | 97 | |
| | 98 | #if 0 |
| | 99 | /* functions in mp_machdep.c */ |
| | 100 | void *permanent_io_mapping(vm_paddr_t); |
| | 101 | u_int mp_bootaddress (u_int); |
| | 102 | int mp_probe (void); |
| | 103 | #endif |
| | 104 | void mp_start (void); |
| | 105 | void mp_announce (void); |
| | 106 | #if 0 |
| | 107 | u_int isa_apic_mask (u_int); |
| | 108 | int isa_apic_irq (int); |
| | 109 | int pci_apic_irq (int, int, int); |
| | 110 | int apic_irq (int, int); |
| | 111 | int next_apic_irq (int); |
| | 112 | int undirect_isa_irq (int); |
| | 113 | int undirect_pci_irq (int); |
| | 114 | int apic_bus_type (int); |
| | 115 | int apic_src_bus_id (int, int); |
| | 116 | int apic_src_bus_irq (int, int); |
| | 117 | int apic_int_type (int, int); |
| | 118 | int apic_trigger (int, int); |
| | 119 | int apic_polarity (int, int); |
| | 120 | void assign_apic_irq (int apic, int intpin, int irq); |
| | 121 | void revoke_apic_irq (int irq); |
| | 122 | void init_secondary (void); |
| | 123 | #endif |
| | 124 | int stop_cpus (cpumask_t); |
| | 125 | void ap_init (void); |
| | 126 | int restart_cpus (cpumask_t); |
| | 127 | #if 0 |
| | 128 | void forward_signal (struct proc *); |
| | 129 | |
| | 130 | #endif |
| | 131 | |
| | 132 | #if 0 |
| | 133 | /* global data in mpapic.c */ |
| | 134 | extern volatile lapic_t lapic; |
| | 135 | extern volatile ioapic_t **ioapic; |
| | 136 | #endif |
| | 137 | |
| | 138 | /* functions in mpapic.c */ |
| | 139 | #if 0 |
| | 140 | void apic_dump (char*); |
| | 141 | void apic_initialize (void); |
| | 142 | void imen_dump (void); |
| | 143 | int apic_ipi (int, int, int); |
| | 144 | void selected_apic_ipi (cpumask_t, int, int); |
| | 145 | void single_apic_ipi(int cpu, int vector, int delivery_mode); |
| | 146 | int single_apic_ipi_passive(int cpu, int vector, int delivery_mode); |
| | 147 | int io_apic_setup (int); |
| | 148 | void io_apic_setup_intpin (int, int); |
| | 149 | void io_apic_set_id (int, int); |
| | 150 | int io_apic_get_id (int); |
| | 151 | int ext_int_setup (int, int); |
| | 152 | #endif |
| | 153 | |
| | 154 | #if 0 |
| | 155 | void clr_io_apic_mask24 (int, u_int32_t); |
| | 156 | void set_io_apic_mask24 (int, u_int32_t); |
| | 157 | #endif |
| | 158 | |
| | 159 | #if 0 |
| | 160 | void set_apic_timer (int); |
| | 161 | int read_apic_timer (void); |
| | 162 | void u_sleep (int); |
| | 163 | #endif |
| | 164 | void cpu_send_ipiq (int); |
| | 165 | int cpu_send_ipiq_passive (int); |
| | 166 | |
| | 167 | /* global data in init_smp.c */ |
| | 168 | extern cpumask_t smp_active_mask; |
| | 169 | |
| | 170 | /* Detect CPU topology bits */ |
| | 171 | void detect_cpu_topology(void); |
| | 172 | |
| | 173 | /* Interface functions for IDs calculation */ |
| | 174 | int get_chip_ID(int cpuid); |
| | 175 | int get_core_number_within_chip(int cpuid); |
| | 176 | int get_logical_CPU_number_within_core(int cpuid); |
| | 177 | |
| | 178 | /* Assume that APICID = CPUID for virtual processors */ |
| | 179 | #define get_cpuid_from_apicid(cpuid) cpuid |
| | 180 | #define get_apicid_from_cpuid(cpuid) cpuid |
| | 181 | |
| | 182 | #endif /* !LOCORE */ |
| | 183 | #else /* !SMP */ |
| | 184 | |
| | 185 | #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */ |
| | 186 | |
| | 187 | #endif |
| | 188 | |
| | 189 | #endif /* _KERNEL */ |
| | 190 | #endif /* _MACHINE_SMP_H_ */ |
projects / dragonfly.git / blame_incremental