1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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__ */ 207