include/acpi/actbl.h

   1 /******************************************************************************
   2  *
   3  * Name: actbl.h - Table data structures defined in ACPI specification
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2005, R. Byron Moore
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef __ACTBL_H__
  45 #define __ACTBL_H__
  46
  47
  48 /*
  49  *  Values for description table header signatures
  50  */
  51 #define RSDP_NAME               "RSDP"
  52 #define RSDP_SIG                "RSD PTR "  /* RSDT Pointer signature */
  53 #define APIC_SIG                "APIC"      /* Multiple APIC Description Table */
  54 #define DSDT_SIG                "DSDT"      /* Differentiated System Description Table */
  55 #define FADT_SIG                "FACP"      /* Fixed ACPI Description Table */
  56 #define FACS_SIG                "FACS"      /* Firmware ACPI Control Structure */
  57 #define PSDT_SIG                "PSDT"      /* Persistent System Description Table */
  58 #define RSDT_SIG                "RSDT"      /* Root System Description Table */
  59 #define XSDT_SIG                "XSDT"      /* Extended  System Description Table */
  60 #define SSDT_SIG                "SSDT"      /* Secondary System Description Table */
  61 #define SBST_SIG                "SBST"      /* Smart Battery Specification Table */
  62 #define SPIC_SIG                "SPIC"      /* IOSAPIC table */
  63 #define BOOT_SIG                "BOOT"      /* Boot table */
  64
  65
  66 #define GL_OWNED                0x02        /* Ownership of global lock is bit 1 */
  67
  68
  69 /*
  70  * Common table types.  The base code can remain
  71  * constant if the underlying tables are changed
  72  */
  73 #define RSDT_DESCRIPTOR         struct rsdt_descriptor_rev2
  74 #define XSDT_DESCRIPTOR         struct xsdt_descriptor_rev2
  75 #define FACS_DESCRIPTOR         struct facs_descriptor_rev2
  76 #define FADT_DESCRIPTOR         struct fadt_descriptor_rev2
  77
  78
  79 #pragma pack(1)
  80
  81 /*
  82  * ACPI Version-independent tables
  83  *
  84  * NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.)
  85  * are in separate files.
  86  */
  87 struct rsdp_descriptor         /* Root System Descriptor Pointer */
  88 {
  89         char                            signature [8];          /* ACPI signature, contains "RSD PTR " */
  90         u8                              checksum;               /* To make sum of struct == 0 */
  91         char                            oem_id [6];             /* OEM identification */
  92         u8                              revision;               /* Must be 0 for 1.0, 2 for 2.0 */
  93         u32                             rsdt_physical_address;  /* 32-bit physical address of RSDT */
  94         u32                             length;                 /* XSDT Length in bytes including hdr */
  95         u64                             xsdt_physical_address;  /* 64-bit physical address of XSDT */
  96         u8                              extended_checksum;      /* Checksum of entire table */
  97         char                            reserved [3];           /* Reserved field must be 0 */
  98 };
  99
 100
 101 struct acpi_common_facs          /* Common FACS for internal use */
 102 {
 103         u32                             *global_lock;
 104         u64                             *firmware_waking_vector;
 105         u8                              vector_width;
 106 };
 107
 108
 109 #define ACPI_TABLE_HEADER_DEF   /* ACPI common table header */ \
 110         char                            signature [4];          /* ACPI signature (4 ASCII characters) */\
 111         u32                             length;                 /* Length of table, in bytes, including header */\
 112         u8                              revision;               /* ACPI Specification minor version # */\
 113         u8                              checksum;               /* To make sum of entire table == 0 */\
 114         char                            oem_id [6];             /* OEM identification */\
 115         char                            oem_table_id [8];       /* OEM table identification */\
 116         u32                             oem_revision;           /* OEM revision number */\
 117         char                            asl_compiler_id [4];    /* ASL compiler vendor ID */\
 118         u32                             asl_compiler_revision;  /* ASL compiler revision number */
 119
 120
 121 struct acpi_table_header         /* ACPI common table header */
 122 {
 123         ACPI_TABLE_HEADER_DEF
 124 };
 125
 126
 127 /*
 128  * MADT values and structures
 129  */
 130
 131 /* Values for MADT PCATCompat */
 132
 133 #define DUAL_PIC                0
 134 #define MULTIPLE_APIC           1
 135
 136 /* Master MADT */
 137
 138 struct multiple_apic_table
 139 {
 140         ACPI_TABLE_HEADER_DEF                           /* ACPI common table header */
 141         u32                             local_apic_address;     /* Physical address of local APIC */
 142         u32                             PCATcompat      : 1;    /* A one indicates system also has dual 8259s */
 143         u32                             reserved1       : 31;
 144 };
 145
 146 /* Values for Type in APIC_HEADER_DEF */
 147
 148 #define APIC_PROCESSOR          0
 149 #define APIC_IO                 1
 150 #define APIC_XRUPT_OVERRIDE     2
 151 #define APIC_NMI                3
 152 #define APIC_LOCAL_NMI          4
 153 #define APIC_ADDRESS_OVERRIDE   5
 154 #define APIC_IO_SAPIC           6
 155 #define APIC_LOCAL_SAPIC        7
 156 #define APIC_XRUPT_SOURCE       8
 157 #define APIC_RESERVED           9           /* 9 and greater are reserved */
 158
 159 /*
 160  * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
 161  */
 162 #define APIC_HEADER_DEF                     /* Common APIC sub-structure header */\
 163         u8                              type; \
 164         u8                              length;
 165
 166 struct apic_header
 167 {
 168         APIC_HEADER_DEF
 169 };
 170
 171 /* Values for MPS INTI flags */
 172
 173 #define POLARITY_CONFORMS       0
 174 #define POLARITY_ACTIVE_HIGH    1
 175 #define POLARITY_RESERVED       2
 176 #define POLARITY_ACTIVE_LOW     3
 177
 178 #define TRIGGER_CONFORMS        0
 179 #define TRIGGER_EDGE            1
 180 #define TRIGGER_RESERVED        2
 181 #define TRIGGER_LEVEL           3
 182
 183 /* Common flag definitions */
 184
 185 #define MPS_INTI_FLAGS \
 186         u16                             polarity        : 2;    /* Polarity of APIC I/O input signals */\
 187         u16                             trigger_mode    : 2;    /* Trigger mode of APIC input signals */\
 188         u16                             reserved1       : 12;   /* Reserved, must be zero */
 189
 190 #define LOCAL_APIC_FLAGS \
 191         u32                             processor_enabled: 1;   /* Processor is usable if set */\
 192         u32                             reserved2       : 31;   /* Reserved, must be zero */
 193
 194 /* Sub-structures for MADT */
 195
 196 struct madt_processor_apic
 197 {
 198         APIC_HEADER_DEF
 199         u8                              processor_id;           /* ACPI processor id */
 200         u8                              local_apic_id;          /* Processor's local APIC id */
 201         LOCAL_APIC_FLAGS
 202 };
 203
 204 struct madt_io_apic
 205 {
 206         APIC_HEADER_DEF
 207         u8                              io_apic_id;             /* I/O APIC ID */
 208         u8                              reserved;               /* Reserved - must be zero */
 209         u32                             address;                /* APIC physical address */
 210         u32                             interrupt;              /* Global system interrupt where INTI
 211                           * lines start */
 212 };
 213
 214 struct madt_interrupt_override
 215 {
 216         APIC_HEADER_DEF
 217         u8                              bus;                    /* 0 - ISA */
 218         u8                              source;                 /* Interrupt source (IRQ) */
 219         u32                             interrupt;              /* Global system interrupt */
 220         MPS_INTI_FLAGS
 221 };
 222
 223 struct madt_nmi_source
 224 {
 225         APIC_HEADER_DEF
 226         MPS_INTI_FLAGS
 227         u32                             interrupt;              /* Global system interrupt */
 228 };
 229
 230 struct madt_local_apic_nmi
 231 {
 232         APIC_HEADER_DEF
 233         u8                              processor_id;           /* ACPI processor id */
 234         MPS_INTI_FLAGS
 235         u8                              lint;                   /* LINTn to which NMI is connected */
 236 };
 237
 238 struct madt_address_override
 239 {
 240         APIC_HEADER_DEF
 241         u16                             reserved;               /* Reserved - must be zero */
 242         u64                             address;                /* APIC physical address */
 243 };
 244
 245 struct madt_io_sapic
 246 {
 247         APIC_HEADER_DEF
 248         u8                              io_sapic_id;            /* I/O SAPIC ID */
 249         u8                              reserved;               /* Reserved - must be zero */
 250         u32                             interrupt_base;         /* Glocal interrupt for SAPIC start */
 251         u64                             address;                /* SAPIC physical address */
 252 };
 253
 254 struct madt_local_sapic
 255 {
 256         APIC_HEADER_DEF
 257         u8                              processor_id;           /* ACPI processor id */
 258         u8                              local_sapic_id;         /* SAPIC ID */
 259         u8                              local_sapic_eid;        /* SAPIC EID */
 260         u8                              reserved [3];           /* Reserved - must be zero */
 261         LOCAL_APIC_FLAGS
 262         u32                             processor_uID;          /* Numeric UID - ACPI 3.0 */
 263         char                            processor_uIDstring[1]; /* String UID  - ACPI 3.0 */
 264 };
 265
 266 struct madt_interrupt_source
 267 {
 268         APIC_HEADER_DEF
 269         MPS_INTI_FLAGS
 270         u8                              interrupt_type;         /* 1=PMI, 2=INIT, 3=corrected */
 271         u8                              processor_id;           /* Processor ID */
 272         u8                              processor_eid;          /* Processor EID */
 273         u8                              io_sapic_vector;        /* Vector value for PMI interrupts */
 274         u32                             interrupt;              /* Global system interrupt */
 275         u32                             flags;                  /* Interrupt Source Flags */
 276 };
 277
 278
 279 /*
 280  * Smart Battery
 281  */
 282 struct smart_battery_table
 283 {
 284         ACPI_TABLE_HEADER_DEF
 285         u32                             warning_level;
 286         u32                             low_level;
 287         u32                             critical_level;
 288 };
 289
 290
 291 #pragma pack()
 292
 293
 294 /*
 295  * ACPI Table information.  We save the table address, length,
 296  * and type of memory allocation (mapped or allocated) for each
 297  * table for 1) when we exit, and 2) if a new table is installed
 298  */
 299 #define ACPI_MEM_NOT_ALLOCATED  0
 300 #define ACPI_MEM_ALLOCATED      1
 301 #define ACPI_MEM_MAPPED         2
 302
 303 /* Definitions for the Flags bitfield member of struct acpi_table_support */
 304
 305 #define ACPI_TABLE_SINGLE       0x00
 306 #define ACPI_TABLE_MULTIPLE     0x01
 307 #define ACPI_TABLE_EXECUTABLE   0x02
 308
 309 #define ACPI_TABLE_ROOT         0x00
 310 #define ACPI_TABLE_PRIMARY      0x10
 311 #define ACPI_TABLE_SECONDARY    0x20
 312 #define ACPI_TABLE_ALL          0x30
 313 #define ACPI_TABLE_TYPE_MASK    0x30
 314
 315 /* Data about each known table type */
 316
 317 struct acpi_table_support
 318 {
 319         char                            *name;
 320         char                            *signature;
 321         void                            **global_ptr;
 322         u8                              sig_length;
 323         u8                              flags;
 324 };
 325
 326
 327 /*
 328  * Get the ACPI version-specific tables
 329  */
 330 #include "actbl1.h"   /* Acpi 1.0 table definitions */
 331 #include "actbl2.h"   /* Acpi 2.0 table definitions */
 332
 333 extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1,
 334                             * needed for certain workarounds */
 335
 336 #pragma pack(1)
 337 /*
 338  * High performance timer
 339  */
 340 struct hpet_table
 341 {
 342         ACPI_TABLE_HEADER_DEF
 343         u32                             hardware_id;
 344         struct acpi_generic_address     base_address;
 345         u8                              hpet_number;
 346         u16                             clock_tick;
 347         u8                              attributes;
 348 };
 349
 350 #pragma pack()
 351
 352 #endif /* __ACTBL_H__ */