sys/platform/vkernel/include/smp.h

   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 1.2 2007/06/18 18:57:13 josepht 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 #if 0
  54 extern volatile u_int           started_cpus;
  55
  56 extern volatile u_int           checkstate_probed_cpus;
  57 extern void (*cpustop_restartfunc) (void);
  58
  59 /* functions in apic_ipl.s */
  60 void    apic_eoi                (void);
  61 u_int   io_apic_read            (int, int);
  62 void    io_apic_write           (int, int, u_int);
  63
  64 #endif
  65
  66 #if 0
  67 /* global data in mp_machdep.c */
  68 extern int                      bsp_apic_ready;
  69 extern int                      mp_naps;
  70 extern int                      mp_nbusses;
  71 extern int                      mp_napics;
  72 extern int                      boot_cpu_id;
  73 extern vm_offset_t              cpu_apic_address;
  74 extern vm_offset_t              io_apic_address[];
  75 extern u_int32_t                cpu_apic_versions[];
  76 extern u_int32_t                *io_apic_versions;
  77 extern int                      cpu_num_to_apic_id[];
  78 extern int                      io_num_to_apic_id[];
  79 extern int                      apic_id_to_logical[];
  80 #endif
  81
  82 #if 0
  83 #define APIC_INTMAPSIZE 24
  84 struct apic_intmapinfo {
  85         int ioapic;
  86         int int_pin;
  87         volatile void *apic_address;
  88         int redirindex;
  89 };
  90 extern struct apic_intmapinfo   int_to_apicintpin[];
  91 extern struct pcb               stoppcbs[];
  92
  93 #endif
  94
  95 #if 0
  96 /* functions in mp_machdep.c */
  97 void    *permanent_io_mapping(vm_paddr_t);
  98 u_int   mp_bootaddress          (u_int);
  99 int     mp_probe                (void);
 100 #endif
 101 void    mp_start                (void);
 102 void    mp_announce             (void);
 103 #if 0
 104 u_int   isa_apic_mask           (u_int);
 105 int     isa_apic_irq            (int);
 106 int     pci_apic_irq            (int, int, int);
 107 int     apic_irq                (int, int);
 108 int     next_apic_irq           (int);
 109 int     undirect_isa_irq        (int);
 110 int     undirect_pci_irq        (int);
 111 int     apic_bus_type           (int);
 112 int     apic_src_bus_id         (int, int);
 113 int     apic_src_bus_irq        (int, int);
 114 int     apic_int_type           (int, int);
 115 int     apic_trigger            (int, int);
 116 int     apic_polarity           (int, int);
 117 void    assign_apic_irq         (int apic, int intpin, int irq);
 118 void    revoke_apic_irq         (int irq);
 119 void    init_secondary          (void);
 120 #endif
 121 int     stop_cpus               (u_int);
 122 void    ap_init                 (void);
 123 int     restart_cpus            (u_int);
 124 #if 0
 125 void    forward_signal          (struct proc *);
 126
 127 #endif
 128
 129 #if 0
 130 /* global data in mpapic.c */
 131 extern volatile lapic_t         lapic;
 132 extern volatile ioapic_t        **ioapic;
 133 #endif
 134
 135 /* functions in mpapic.c */
 136 #if 0
 137 void    apic_dump               (char*);
 138 void    apic_initialize         (void);
 139 void    imen_dump               (void);
 140 int     apic_ipi                (int, int, int);
 141 void    selected_apic_ipi       (u_int, int, int);
 142 void    single_apic_ipi(int cpu, int vector, int delivery_mode);
 143 int     single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
 144 int     io_apic_setup           (int);
 145 void    io_apic_setup_intpin    (int, int);
 146 void    io_apic_set_id          (int, int);
 147 int     io_apic_get_id          (int);
 148 int     ext_int_setup           (int, int);
 149 #endif
 150
 151 #if 0
 152 void    clr_io_apic_mask24      (int, u_int32_t);
 153 void    set_io_apic_mask24      (int, u_int32_t);
 154 #endif
 155
 156 #if 0
 157 void    set_apic_timer          (int);
 158 int     read_apic_timer         (void);
 159 void    u_sleep                 (int);
 160 #endif
 161 void    cpu_send_ipiq           (int);
 162 int     cpu_send_ipiq_passive   (int);
 163
 164 /* global data in init_smp.c */
 165 extern cpumask_t                smp_active_mask;
 166
 167 #endif /* !LOCORE */
 168 #else   /* !SMP */
 169
 170 #define smp_active_mask 1       /* smp_active_mask always 1 on UP machines */
 171
 172 #endif
 173
 174 #endif /* _KERNEL */
 175 #endif /* _MACHINE_SMP_H_ */