mptable.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 1996, by Steve Passe
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. The name of the developer may NOT be used to endorse or promote products
   13  *    derived from this software without specific prior written permission.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 #ifndef __MACHINE_MPTABLE_H__
   31 #define __MACHINE_MPTABLE_H__
   32 
   33 enum busTypes {
   34     NOBUS = 0,
   35     CBUS = 1,
   36     CBUSII = 2,
   37     EISA = 3,
   38     ISA = 6,
   39     MCA = 9,
   40     PCI = 13,
   41     XPRESS = 18,
   42     MAX_BUSTYPE = 18,
   43     UNKNOWN_BUSTYPE = 0xff
   44 };
   45 
   46 /* MP Floating Pointer Structure */
   47 typedef struct MPFPS {
   48         uint8_t signature[4];
   49         uint32_t pap;
   50         uint8_t length;
   51         uint8_t spec_rev;
   52         uint8_t checksum;
   53         uint8_t config_type;
   54         uint8_t mpfb2;
   55         uint8_t mpfb3;
   56         uint8_t mpfb4;
   57         uint8_t mpfb5;
   58 } __packed *mpfps_t;
   59 
   60 #define MPFB2_IMCR_PRESENT      0x80
   61 #define MPFB2_MUL_CLK_SRCS      0x40
   62 
   63 /* MP Configuration Table Header */
   64 typedef struct MPCTH {
   65         uint8_t signature[4];
   66         uint16_t base_table_length;
   67         uint8_t spec_rev;
   68         uint8_t checksum;
   69         uint8_t oem_id[8];
   70         uint8_t product_id[12];
   71         uint32_t oem_table_pointer;
   72         uint16_t oem_table_size;
   73         uint16_t entry_count;
   74         uint32_t apic_address;
   75         uint16_t extended_table_length;
   76         uint8_t extended_table_checksum;
   77         uint8_t reserved;
   78 } __packed *mpcth_t;
   79 
   80 /* Base table entries */
   81 
   82 #define MPCT_ENTRY_PROCESSOR    0
   83 #define MPCT_ENTRY_BUS          1
   84 #define MPCT_ENTRY_IOAPIC       2
   85 #define MPCT_ENTRY_INT          3
   86 #define MPCT_ENTRY_LOCAL_INT    4
   87 
   88 typedef struct PROCENTRY {
   89         uint8_t type;
   90         uint8_t apic_id;
   91         uint8_t apic_version;
   92         uint8_t cpu_flags;
   93         uint32_t cpu_signature;
   94         uint32_t feature_flags;
   95         uint32_t reserved1;
   96         uint32_t reserved2;
   97 } __packed *proc_entry_ptr;
   98 
   99 #define PROCENTRY_FLAG_EN       0x01
  100 #define PROCENTRY_FLAG_BP       0x02
  101 
  102 typedef struct BUSENTRY {
  103         uint8_t type;
  104         uint8_t bus_id;
  105         uint8_t bus_type[6];
  106 } __packed *bus_entry_ptr;
  107 
  108 typedef struct IOAPICENTRY {
  109         uint8_t type;
  110         uint8_t apic_id;
  111         uint8_t apic_version;
  112         uint8_t apic_flags;
  113         uint32_t apic_address;
  114 } __packed *io_apic_entry_ptr;
  115 
  116 #define IOAPICENTRY_FLAG_EN     0x01
  117 
  118 typedef struct INTENTRY {
  119         uint8_t type;
  120         uint8_t int_type;
  121         uint16_t int_flags;
  122         uint8_t src_bus_id;
  123         uint8_t src_bus_irq;
  124         uint8_t dst_apic_id;
  125         uint8_t dst_apic_int;
  126 } __packed *int_entry_ptr;
  127 
  128 #define INTENTRY_TYPE_INT       0
  129 #define INTENTRY_TYPE_NMI       1
  130 #define INTENTRY_TYPE_SMI       2
  131 #define INTENTRY_TYPE_EXTINT    3
  132 
  133 #define INTENTRY_FLAGS_POLARITY                 0x3
  134 #define INTENTRY_FLAGS_POLARITY_CONFORM         0x0
  135 #define INTENTRY_FLAGS_POLARITY_ACTIVEHI        0x1
  136 #define INTENTRY_FLAGS_POLARITY_ACTIVELO        0x3
  137 #define INTENTRY_FLAGS_TRIGGER                  0xc
  138 #define INTENTRY_FLAGS_TRIGGER_CONFORM          0x0
  139 #define INTENTRY_FLAGS_TRIGGER_EDGE             0x4
  140 #define INTENTRY_FLAGS_TRIGGER_LEVEL            0xc
  141 
  142 /* Extended table entries */
  143 
  144 typedef struct EXTENTRY {
  145         uint8_t type;
  146         uint8_t length;
  147 } __packed *ext_entry_ptr;
  148 
  149 #define MPCT_EXTENTRY_SAS       0x80
  150 #define MPCT_EXTENTRY_BHD       0x81
  151 #define MPCT_EXTENTRY_CBASM     0x82
  152 
  153 typedef struct SASENTRY {
  154         uint8_t type;
  155         uint8_t length;
  156         uint8_t bus_id;
  157         uint8_t address_type;
  158         uint64_t address_base;
  159         uint64_t address_length;
  160 } __packed *sas_entry_ptr;
  161 
  162 #define SASENTRY_TYPE_IO        0
  163 #define SASENTRY_TYPE_MEMORY    1
  164 #define SASENTRY_TYPE_PREFETCH  2
  165 
  166 typedef struct BHDENTRY {
  167         uint8_t type;
  168         uint8_t length;
  169         uint8_t bus_id;
  170         uint8_t bus_info;
  171         uint8_t parent_bus;
  172         uint8_t reserved[3];
  173 } __packed *bhd_entry_ptr;
  174 
  175 #define BHDENTRY_INFO_SUBTRACTIVE_DECODE        0x1
  176 
  177 typedef struct CBASMENTRY {
  178         uint8_t type;
  179         uint8_t length;
  180         uint8_t bus_id;
  181         uint8_t address_mod;
  182         uint32_t predefined_range;
  183 } __packed *cbasm_entry_ptr;
  184 
  185 #define CBASMENTRY_ADDRESS_MOD_ADD              0x0
  186 #define CBASMENTRY_ADDRESS_MOD_SUBTRACT         0x1
  187 
  188 #define CBASMENTRY_RANGE_ISA_IO         0
  189 #define CBASMENTRY_RANGE_VGA_IO         1
  190 
  191 #ifdef _KERNEL
  192 struct mptable_hostb_softc {
  193 #ifdef NEW_PCIB
  194         struct pcib_host_resources sc_host_res;
  195         int             sc_decodes_vga_io;
  196         int             sc_decodes_isa_io;
  197 #endif
  198 };
  199 
  200 #ifdef NEW_PCIB
  201 void    mptable_pci_host_res_init(device_t pcib);
  202 #endif
  203 int     mptable_pci_probe_table(int bus);
  204 int     mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin);
  205 #endif
  206 #endif /* !__MACHINE_MPTABLE_H__ */

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FreeBSD/Linux Kernel Cross Reference sys/x86/include/mptable.h

FreeBSD/Linux Kernel Cross Reference
sys/x86/include/mptable.h