1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_PCI_H 27 #define _SYS_PCI_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * PCI Configuration Header offsets 37 */ 38 #define PCI_CONF_VENID 0x0 /* vendor id, 2 bytes */ 39 #define PCI_CONF_DEVID 0x2 /* device id, 2 bytes */ 40 #define PCI_CONF_COMM 0x4 /* command register, 2 bytes */ 41 #define PCI_CONF_STAT 0x6 /* status register, 2 bytes */ 42 #define PCI_CONF_REVID 0x8 /* revision id, 1 byte */ 43 #define PCI_CONF_PROGCLASS 0x9 /* programming class code, 1 byte */ 44 #define PCI_CONF_SUBCLASS 0xA /* sub-class code, 1 byte */ 45 #define PCI_CONF_BASCLASS 0xB /* basic class code, 1 byte */ 46 #define PCI_CONF_CACHE_LINESZ 0xC /* cache line size, 1 byte */ 47 #define PCI_CONF_LATENCY_TIMER 0xD /* latency timer, 1 byte */ 48 #define PCI_CONF_HEADER 0xE /* header type, 1 byte */ 49 #define PCI_CONF_BIST 0xF /* builtin self test, 1 byte */ 50 51 /* 52 * Header type 0 offsets 53 */ 54 #define PCI_CONF_BASE0 0x10 /* base register 0, 4 bytes */ 55 #define PCI_CONF_BASE1 0x14 /* base register 1, 4 bytes */ 56 #define PCI_CONF_BASE2 0x18 /* base register 2, 4 bytes */ 57 #define PCI_CONF_BASE3 0x1c /* base register 3, 4 bytes */ 58 #define PCI_CONF_BASE4 0x20 /* base register 4, 4 bytes */ 59 #define PCI_CONF_BASE5 0x24 /* base register 5, 4 bytes */ 60 #define PCI_CONF_CIS 0x28 /* Cardbus CIS Pointer */ 61 #define PCI_CONF_SUBVENID 0x2c /* Subsystem Vendor ID */ 62 #define PCI_CONF_SUBSYSID 0x2e /* Subsystem ID */ 63 #define PCI_CONF_ROM 0x30 /* ROM base register, 4 bytes */ 64 #define PCI_CONF_CAP_PTR 0x34 /* capabilities pointer, 1 byte */ 65 #define PCI_CONF_ILINE 0x3c /* interrupt line, 1 byte */ 66 #define PCI_CONF_IPIN 0x3d /* interrupt pin, 1 byte */ 67 #define PCI_CONF_MIN_G 0x3e /* minimum grant, 1 byte */ 68 #define PCI_CONF_MAX_L 0x3f /* maximum grant, 1 byte */ 69 70 /* 71 * PCI to PCI bridge configuration space header format 72 */ 73 #define PCI_BCNF_PRIBUS 0x18 /* primary bus number */ 74 #define PCI_BCNF_SECBUS 0x19 /* secondary bus number */ 75 #define PCI_BCNF_SUBBUS 0x1a /* subordinate bus number */ 76 #define PCI_BCNF_LATENCY_TIMER 0x1b 77 #define PCI_BCNF_IO_BASE_LOW 0x1c 78 #define PCI_BCNF_IO_LIMIT_LOW 0x1d 79 #define PCI_BCNF_SEC_STATUS 0x1e 80 #define PCI_BCNF_MEM_BASE 0x20 81 #define PCI_BCNF_MEM_LIMIT 0x22 82 #define PCI_BCNF_PF_BASE_LOW 0x24 83 #define PCI_BCNF_PF_LIMIT_LOW 0x26 84 #define PCI_BCNF_PF_BASE_HIGH 0x28 85 #define PCI_BCNF_PF_LIMIT_HIGH 0x2c 86 #define PCI_BCNF_IO_BASE_HI 0x30 87 #define PCI_BCNF_IO_LIMIT_HI 0x32 88 #define PCI_BCNF_CAP_PTR 0x34 89 #define PCI_BCNF_ROM 0x38 90 #define PCI_BCNF_ILINE 0x3c 91 #define PCI_BCNF_IPIN 0x3d 92 #define PCI_BCNF_BCNTRL 0x3e 93 94 #define PCI_BCNF_BASE_NUM 0x2 95 96 /* 97 * PCI to PCI bridge control register (0x3e) format 98 */ 99 #define PCI_BCNF_BCNTRL_PARITY_ENABLE 0x1 100 #define PCI_BCNF_BCNTRL_SERR_ENABLE 0x2 101 #define PCI_BCNF_BCNTRL_MAST_AB_MODE 0x20 102 #define PCI_BCNF_BCNTRL_DTO_STAT 0x400 103 104 #define PCI_BCNF_BCNTRL_RESET 0x0040 105 #define PCI_BCNF_BCNTRL_B2B_ENAB 0x0080 106 107 #define PCI_BCNF_IO_MASK 0xf0 108 #define PCI_BCNF_MEM_MASK 0xfff0 109 110 /* 111 * Header type 2 (Cardbus) offsets 112 */ 113 #define PCI_CBUS_SOCK_REG 0x10 /* Cardbus socket regs, 4 bytes */ 114 #define PCI_CBUS_RESERVED1 0x14 /* Reserved, 2 bytes */ 115 #define PCI_CBUS_SEC_STATUS 0x16 /* Secondary status, 2 bytes */ 116 #define PCI_CBUS_PCI_BUS_NO 0x18 /* PCI bus number, 1 byte */ 117 #define PCI_CBUS_CBUS_NO 0x19 /* Cardbus bus number, 1 byte */ 118 #define PCI_CBUS_SUB_BUS_NO 0x1a /* Subordinate bus number, 1 byte */ 119 #define PCI_CBUS_LATENCY_TIMER 0x1b /* Cardbus latency timer, 1 byte */ 120 #define PCI_CBUS_MEM_BASE0 0x1c /* Memory base reg 0, 4 bytes */ 121 #define PCI_CBUS_MEM_LIMIT0 0x20 /* Memory limit reg 0, 4 bytes */ 122 #define PCI_CBUS_MEM_BASE1 0x24 /* Memory base reg 1, 4 bytes */ 123 #define PCI_CBUS_MEM_LIMIT1 0x28 /* Memory limit reg 1, 4 bytes */ 124 #define PCI_CBUS_IO_BASE0 0x2c /* IO base reg 0, 4 bytes */ 125 #define PCI_CBUS_IO_LIMIT0 0x30 /* IO limit reg 0, 4 bytes */ 126 #define PCI_CBUS_IO_BASE1 0x34 /* IO base reg 1, 4 bytes */ 127 #define PCI_CBUS_IO_LIMIT1 0x38 /* IO limit reg 1, 4 bytes */ 128 #define PCI_CBUS_ILINE 0x3c /* interrupt line, 1 byte */ 129 #define PCI_CBUS_IPIN 0x3d /* interrupt pin, 1 byte */ 130 #define PCI_CBUS_BRIDGE_CTRL 0x3e /* Bridge control, 2 bytes */ 131 #define PCI_CBUS_SUBVENID 0x40 /* Subsystem Vendor ID, 2 bytes */ 132 #define PCI_CBUS_SUBSYSID 0x42 /* Subsystem ID, 2 bytes */ 133 #define PCI_CBUS_LEG_MODE_ADDR 0x44 /* PCCard 16bit IF legacy mode addr */ 134 135 #define PCI_CBUS_BASE_NUM 0x1 /* number of base registers */ 136 137 /* 138 * PCI command register bits 139 */ 140 #define PCI_COMM_IO 0x1 /* I/O access enable */ 141 #define PCI_COMM_MAE 0x2 /* memory access enable */ 142 #define PCI_COMM_ME 0x4 /* master enable */ 143 #define PCI_COMM_SPEC_CYC 0x8 144 #define PCI_COMM_MEMWR_INVAL 0x10 145 #define PCI_COMM_PALETTE_SNOOP 0x20 146 #define PCI_COMM_PARITY_DETECT 0x40 147 #define PCI_COMM_WAIT_CYC_ENAB 0x80 148 #define PCI_COMM_SERR_ENABLE 0x100 149 #define PCI_COMM_BACK2BACK_ENAB 0x200 150 #define PCI_COMM_INTX_DISABLE 0x400 /* INTx emulation disable */ 151 152 /* 153 * PCI Interrupt pin value 154 */ 155 #define PCI_INTA 1 156 #define PCI_INTB 2 157 #define PCI_INTC 3 158 #define PCI_INTD 4 159 160 /* 161 * PCI status register bits 162 */ 163 #define PCI_STAT_INTR 0x8 /* Interrupt state */ 164 #define PCI_STAT_CAP 0x10 /* Implements Capabilities */ 165 #define PCI_STAT_66MHZ 0x20 /* 66 MHz capable */ 166 #define PCI_STAT_UDF 0x40 /* UDF supported */ 167 #define PCI_STAT_FBBC 0x80 /* Fast Back-to-Back Capable */ 168 #define PCI_STAT_S_PERROR 0x100 /* Data Parity Reported */ 169 #define PCI_STAT_DEVSELT 0x600 /* Device select timing */ 170 #define PCI_STAT_S_TARG_AB 0x800 /* Signaled Target Abort */ 171 #define PCI_STAT_R_TARG_AB 0x1000 /* Received Target Abort */ 172 #define PCI_STAT_R_MAST_AB 0x2000 /* Received Master Abort */ 173 #define PCI_STAT_S_SYSERR 0x4000 /* Signaled System Error */ 174 #define PCI_STAT_PERROR 0x8000 /* Detected Parity Error */ 175 176 /* 177 * DEVSEL timing values 178 */ 179 #define PCI_STAT_DEVSELT_FAST 0x0000 180 #define PCI_STAT_DEVSELT_MEDIUM 0x0200 181 #define PCI_STAT_DEVSELT_SLOW 0x0400 182 183 /* 184 * BIST values 185 */ 186 #define PCI_BIST_SUPPORTED 0x80 187 #define PCI_BIST_GO 0x40 188 #define PCI_BIST_RESULT_M 0x0f 189 #define PCI_BIST_RESULT_OK 0x00 190 191 /* 192 * PCI class codes 193 */ 194 #define PCI_CLASS_NONE 0x0 /* class code for pre-2.0 devices */ 195 #define PCI_CLASS_MASS 0x1 /* Mass storage Controller class */ 196 #define PCI_CLASS_NET 0x2 /* Network Controller class */ 197 #define PCI_CLASS_DISPLAY 0x3 /* Display Controller class */ 198 #define PCI_CLASS_MM 0x4 /* Multimedia Controller class */ 199 #define PCI_CLASS_MEM 0x5 /* Memory Controller class */ 200 #define PCI_CLASS_BRIDGE 0x6 /* Bridge Controller class */ 201 #define PCI_CLASS_COMM 0x7 /* Communications Controller class */ 202 #define PCI_CLASS_PERIPH 0x8 /* Peripheral Controller class */ 203 #define PCI_CLASS_INPUT 0x9 /* Input Device class */ 204 #define PCI_CLASS_DOCK 0xa /* Docking Station class */ 205 #define PCI_CLASS_PROCESSOR 0xb /* Processor class */ 206 #define PCI_CLASS_SERIALBUS 0xc /* Serial Bus class */ 207 #define PCI_CLASS_WIRELESS 0xd /* Wireless Controller class */ 208 #define PCI_CLASS_INTIO 0xe /* Intelligent IO Controller class */ 209 #define PCI_CLASS_SATELLITE 0xf /* Satellite Communication class */ 210 #define PCI_CLASS_CRYPT 0x10 /* Encrytion/Decryption class */ 211 #define PCI_CLASS_SIGNAL 0x11 /* Signal Processing class */ 212 213 /* 214 * PCI Sub-class codes - base class 0x0 (no new devices should use this code). 215 */ 216 #define PCI_NONE_NOTVGA 0x0 /* All devices except VGA compatible */ 217 #define PCI_NONE_VGA 0x1 /* VGA compatible */ 218 219 /* 220 * PCI Sub-class codes - base class 0x1 (mass storage controllers) 221 */ 222 #define PCI_MASS_SCSI 0x0 /* SCSI bus Controller */ 223 #define PCI_MASS_IDE 0x1 /* IDE Controller */ 224 #define PCI_MASS_FD 0x2 /* Floppy disk Controller */ 225 #define PCI_MASS_IPI 0x3 /* IPI bus Controller */ 226 #define PCI_MASS_RAID 0x4 /* RAID Controller */ 227 #define PCI_MASS_ATA 0x5 /* ATA Controller */ 228 #define PCI_MASS_SATA 0x6 /* Serial ATA */ 229 #define PCI_MASS_SAS 0x7 /* Serial Attached SCSI (SAS) Cntrlr */ 230 #define PCI_MASS_OTHER 0x80 /* Other Mass Storage Controller */ 231 232 /* 233 * programming interface for IDE (subclass 1) 234 */ 235 #define PCI_IDE_IF_NATIVE_PRI 0x1 /* primary channel is native */ 236 #define PCI_IDE_IF_PROG_PRI 0x2 /* primary can operate in either mode */ 237 #define PCI_IDE_IF_NATIVE_SEC 0x4 /* secondary channel is native */ 238 #define PCI_IDE_IF_PROG_SEC 0x8 /* sec. can operate in either mode */ 239 #define PCI_IDE_IF_MASK 0xf /* programming interface mask */ 240 241 242 /* 243 * programming interface for ATA (subclass 5) 244 */ 245 #define PCI_ATA_IF_SINGLE_DMA 0x20 /* ATA controller with single DMA */ 246 #define PCI_ATA_IF_CHAINED_DMA 0x30 /* ATA controller with chained DMA */ 247 248 /* 249 * programming interface for ATA (subclass 6) for SATA 250 */ 251 #define PCI_SATA_VS_INTERFACE 0x0 /* SATA Ctlr Vendor Specific Intfc */ 252 #define PCI_SATA_AHCI_INTERFACE 0x1 /* SATA Ctlr AHCI 1.0 Interface */ 253 #define PCI_SATA_SSB_INTERFACE 0x2 /* Serial Storage Bus Interface */ 254 255 /* 256 * programming interface for ATA (subclass 7) for SAS 257 */ 258 #define PCI_SAS_CONTROLLER 0x0 /* SAS Controller */ 259 #define PCI_SAS_BUS_INTERFACE 0x1 /* Serial Storage Bus Interface */ 260 261 /* 262 * PCI Sub-class codes - base class 0x2 (Network controllers) 263 */ 264 #define PCI_NET_ENET 0x0 /* Ethernet Controller */ 265 #define PCI_NET_TOKEN 0x1 /* Token Ring Controller */ 266 #define PCI_NET_FDDI 0x2 /* FDDI Controller */ 267 #define PCI_NET_ATM 0x3 /* ATM Controller */ 268 #define PCI_NET_ISDN 0x4 /* ISDN Controller */ 269 #define PCI_NET_WFIP 0x5 /* WorldFip Controller */ 270 #define PCI_NET_PICMG 0x6 /* PICMG 2.14 Multi Computing */ 271 #define PCI_NET_OTHER 0x80 /* Other Network Controller */ 272 273 /* 274 * PCI Sub-class codes - base class 03 (display controllers) 275 */ 276 #define PCI_DISPLAY_VGA 0x0 /* VGA device */ 277 #define PCI_DISPLAY_XGA 0x1 /* XGA device */ 278 #define PCI_DISPLAY_3D 0x2 /* 3D controller */ 279 #define PCI_DISPLAY_OTHER 0x80 /* Other Display Device */ 280 281 /* 282 * programming interface for display for display class (subclass 0) VGA ctrlrs 283 */ 284 #define PCI_DISPLAY_IF_VGA 0x0 /* VGA compatible */ 285 #define PCI_DISPLAY_IF_8514 0x1 /* 8514 compatible */ 286 287 /* 288 * PCI Sub-class codes - base class 0x4 (multi-media devices) 289 */ 290 #define PCI_MM_VIDEO 0x0 /* Video device */ 291 #define PCI_MM_AUDIO 0x1 /* Audio device */ 292 #define PCI_MM_TELEPHONY 0x2 /* Computer Telephony device */ 293 #define PCI_MM_MIXED_MODE 0x3 /* Mixed Mode device */ 294 #define PCI_MM_OTHER 0x80 /* Other Multimedia Device */ 295 296 /* 297 * PCI Sub-class codes - base class 0x5 (memory controllers) 298 */ 299 #define PCI_MEM_RAM 0x0 /* RAM device */ 300 #define PCI_MEM_FLASH 0x1 /* FLASH device */ 301 #define PCI_MEM_OTHER 0x80 /* Other Memory Controller */ 302 303 /* 304 * PCI Sub-class codes - base class 0x6 (Bridge devices) 305 */ 306 #define PCI_BRIDGE_HOST 0x0 /* Host/PCI Bridge */ 307 #define PCI_BRIDGE_ISA 0x1 /* PCI/ISA Bridge */ 308 #define PCI_BRIDGE_EISA 0x2 /* PCI/EISA Bridge */ 309 #define PCI_BRIDGE_MC 0x3 /* PCI/MC Bridge */ 310 #define PCI_BRIDGE_PCI 0x4 /* PCI/PCI Bridge */ 311 #define PCI_BRIDGE_PCMCIA 0x5 /* PCI/PCMCIA Bridge */ 312 #define PCI_BRIDGE_NUBUS 0x6 /* PCI/NUBUS Bridge */ 313 #define PCI_BRIDGE_CARDBUS 0x7 /* PCI/CARDBUS Bridge */ 314 #define PCI_BRIDGE_RACE 0x8 /* RACE-way Bridge */ 315 #define PCI_BRIDGE_STPCI 0x9 /* Semi-transparent PCI/PCI Bridge */ 316 #define PCI_BRIDGE_IB 0xA /* InfiniBand/PCI host Bridge */ 317 #define PCI_BRIDGE_AS 0xB /* AS/PCI host Bridge */ 318 #define PCI_BRIDGE_OTHER 0x80 /* PCI/Other Bridge Device */ 319 320 /* 321 * programming interface for Bridges class 0x6 (subclass 4) PCI-PCI bridge 322 */ 323 #define PCI_BRIDGE_PCI_IF_PCI2PCI 0x0 /* PCI-PCI bridge */ 324 #define PCI_BRIDGE_PCI_IF_SUBDECODE 0x1 /* Subtractive Decode */ 325 /* PCI/PCI bridge */ 326 327 /* 328 * programming interface for Bridges class 0x6 (subclass 08) RACEway bridge 329 */ 330 #define PCI_BRIDGE_RACE_IF_TRANSPARENT 0x0 /* Transport mode */ 331 #define PCI_BRIDGE_RACE_IF_ENDPOINT 0x1 /* Endpoint mode */ 332 333 /* 334 * programming interface for Bridges class 0x6 (subclass 09) 335 * Semi-transparent PCI-to-PCI bridge 336 */ 337 #define PCI_BRIDGE_STPCI_IF_PRIMARY 0x40 /* primary PCI side bus */ 338 /* facing system processor */ 339 #define PCI_BRIDGE_STPCI_IF_SECONDARY 0x80 /* secondary PCI side bus */ 340 /* facing system processor */ 341 342 /* 343 * programming interface for Bridges class 0x6 (subclass 0B) AS bridge 344 */ 345 #define PCI_BRIDGE_AS_CUSTOM_INTFC 0x0 /* Custom interface */ 346 #define PCI_BRIDGE_AS_PORTAL_INTFC 0x1 /* ASI-SIG Portal Interface */ 347 348 /* 349 * PCI Sub-class codes - base class 0x7 (communication devices) 350 */ 351 #define PCI_COMM_GENERIC_XT 0x0 /* XT Compatible Serial Controller */ 352 #define PCI_COMM_PARALLEL 0x1 /* Parallel Port Controller */ 353 #define PCI_COMM_MSC 0x2 /* Multiport Serial Controller */ 354 #define PCI_COMM_MODEM 0x3 /* Modem Controller */ 355 #define PCI_COMM_GPIB 0x4 /* GPIB Controller */ 356 #define PCI_COMM_SMARTCARD 0x5 /* Smart Card Controller */ 357 #define PCI_COMM_OTHER 0x80 /* Other Communications Controller */ 358 359 /* 360 * Programming interfaces for class 0x7 / subclass 0x0 (Serial) 361 */ 362 #define PCI_COMM_SERIAL_IF_GENERIC 0x0 /* Generic XT-compat serial */ 363 #define PCI_COMM_SERIAL_IF_16450 0x1 /* 16450-compat serial ctrlr */ 364 #define PCI_COMM_SERIAL_IF_16550 0x2 /* 16550-compat serial ctrlr */ 365 #define PCI_COMM_SERIAL_IF_16650 0x3 /* 16650-compat serial ctrlr */ 366 #define PCI_COMM_SERIAL_IF_16750 0x4 /* 16750-compat serial ctrlr */ 367 #define PCI_COMM_SERIAL_IF_16850 0x5 /* 16850-compat serial ctrlr */ 368 #define PCI_COMM_SERIAL_IF_16950 0x6 /* 16950-compat serial ctrlr */ 369 370 /* 371 * Programming interfaces for class 0x7 / subclass 0x1 (Parallel) 372 */ 373 #define PCI_COMM_PARALLEL_IF_GENERIC 0x0 /* Generic Parallel port */ 374 #define PCI_COMM_PARALLEL_IF_BIDIRECT 0x1 /* Bi-directional Parallel */ 375 #define PCI_COMM_PARALLEL_IF_ECP 0x2 /* ECP 1.X Parallel port */ 376 #define PCI_COMM_PARALLEL_IF_1284 0x3 /* IEEE 1284 Parallel port */ 377 #define PCI_COMM_PARALLEL_IF_1284_TARG 0xFE /* IEEE 1284 target device */ 378 379 /* 380 * Programming interfaces for class 0x7 / subclass 0x3 (Modem) 381 */ 382 #define PCI_COMM_MODEM_IF_GENERIC 0x0 /* Generic Modem */ 383 #define PCI_COMM_MODEM_IF_HAYES_16450 0x1 /* Hayes 16450-compat Modem */ 384 #define PCI_COMM_MODEM_IF_HAYES_16550 0x2 /* Hayes 16550-compat Modem */ 385 #define PCI_COMM_MODEM_IF_HAYES_16650 0x3 /* Hayes 16650-compat Modem */ 386 #define PCI_COMM_MODEM_IF_HAYES_16750 0x4 /* Hayes 16750-compat Modem */ 387 388 /* 389 * PCI Sub-class codes - base class 0x8 390 */ 391 #define PCI_PERIPH_PIC 0x0 /* Generic PIC */ 392 #define PCI_PERIPH_DMA 0x1 /* Generic DMA Controller */ 393 #define PCI_PERIPH_TIMER 0x2 /* Generic System Timer Controller */ 394 #define PCI_PERIPH_RTC 0x3 /* Generic RTC Controller */ 395 #define PCI_PERIPH_HPC 0x4 /* Generic PCI Hot-Plug Controller */ 396 #define PCI_PERIPH_SD_HC 0x5 /* SD Host Controller */ 397 #define PCI_PERIPH_IOMMU 0x6 /* IOMMU */ 398 #define PCI_PERIPH_OTHER 0x80 /* Other System Peripheral */ 399 400 /* 401 * Programming interfaces for class 0x8 / subclass 0x0 (interrupt controller) 402 */ 403 #define PCI_PERIPH_PIC_IF_GENERIC 0x0 /* Generic 8259 APIC */ 404 #define PCI_PERIPH_PIC_IF_ISA 0x1 /* ISA PIC */ 405 #define PCI_PERIPH_PIC_IF_EISA 0x2 /* EISA PIC */ 406 #define PCI_PERIPH_PIC_IF_IO_APIC 0x10 /* I/O APIC interrupt ctrlr */ 407 #define PCI_PERIPH_PIC_IF_IOX_APIC 0x20 /* I/O(x) APIC intr ctrlr */ 408 409 /* 410 * Programming interfaces for class 0x8 / subclass 0x1 (DMA controller) 411 */ 412 #define PCI_PERIPH_DMA_IF_GENERIC 0x0 /* Generic 8237 DMA ctrlr */ 413 #define PCI_PERIPH_DMA_IF_ISA 0x1 /* ISA DMA ctrlr */ 414 #define PCI_PERIPH_DMA_IF_EISA 0x2 /* EISA DMA ctrlr */ 415 416 /* 417 * Programming interfaces for class 0x8 / subclass 0x2 (timer) 418 */ 419 #define PCI_PERIPH_TIMER_IF_GENERIC 0x0 /* Generic 8254 system timer */ 420 #define PCI_PERIPH_TIMER_IF_ISA 0x1 /* ISA system timers */ 421 #define PCI_PERIPH_TIMER_IF_EISA 0x2 /* EISA system timers (two) */ 422 #define PCI_PERIPH_TIMER_IF_HPET 0x3 /* High Perf Event timer */ 423 424 /* 425 * Programming interfaces for class 0x8 / subclass 0x3 (realtime clock) 426 */ 427 #define PCI_PERIPH_RTC_IF_GENERIC 0x0 /* Generic RTC controller */ 428 #define PCI_PERIPH_RTC_IF_ISA 0x1 /* ISA RTC controller */ 429 430 /* 431 * PCI Sub-class codes - base class 0x9 432 */ 433 #define PCI_INPUT_KEYBOARD 0x0 /* Keyboard Controller */ 434 #define PCI_INPUT_DIGITIZ 0x1 /* Digitizer (Pen) */ 435 #define PCI_INPUT_MOUSE 0x2 /* Mouse Controller */ 436 #define PCI_INPUT_SCANNER 0x3 /* Scanner Controller */ 437 #define PCI_INPUT_GAMEPORT 0x4 /* Gameport Controller */ 438 #define PCI_INPUT_OTHER 0x80 /* Other Input Controller */ 439 440 /* 441 * Programming interfaces for class 0x9 / subclass 0x4 (Gameport controller) 442 */ 443 #define PCI_INPUT_GAMEPORT_IF_GENERIC 0x00 /* Generic controller */ 444 #define PCI_INPUT_GAMEPORT_IF_LEGACY 0x10 /* Legacy controller */ 445 446 /* 447 * PCI Sub-class codes - base class 0xA 448 */ 449 #define PCI_DOCK_GENERIC 0x00 /* Generic Docking Station */ 450 #define PCI_DOCK_OTHER 0x80 /* Other Type of Docking Station */ 451 452 /* 453 * PCI Sub-class codes - base class 0xB 454 */ 455 #define PCI_PROCESSOR_386 0x0 /* 386 */ 456 #define PCI_PROCESSOR_486 0x1 /* 486 */ 457 #define PCI_PROCESSOR_PENT 0x2 /* Pentium */ 458 #define PCI_PROCESSOR_ALPHA 0x10 /* Alpha */ 459 #define PCI_PROCESSOR_POWERPC 0x20 /* PowerPC */ 460 #define PCI_PROCESSOR_MIPS 0x30 /* MIPS */ 461 #define PCI_PROCESSOR_COPROC 0x40 /* Co-processor */ 462 #define PCI_PROCESSOR_OTHER 0x80 /* Other processors */ 463 464 /* 465 * PCI Sub-class codes - base class 0xC (Serial Controllers) 466 */ 467 #define PCI_SERIAL_FIRE 0x0 /* FireWire (IEEE 1394) */ 468 #define PCI_SERIAL_ACCESS 0x1 /* ACCESS.bus */ 469 #define PCI_SERIAL_SSA 0x2 /* SSA */ 470 #define PCI_SERIAL_USB 0x3 /* Universal Serial Bus */ 471 #define PCI_SERIAL_FIBRE 0x4 /* Fibre Channel */ 472 #define PCI_SERIAL_SMBUS 0x5 /* System Management Bus */ 473 #define PCI_SERIAL_IB 0x6 /* InfiniBand */ 474 #define PCI_SERIAL_IPMI 0x7 /* IPMI */ 475 #define PCI_SERIAL_SERCOS 0x8 /* SERCOS Interface Std (IEC 61491) */ 476 #define PCI_SERIAL_CANBUS 0x9 /* CANbus */ 477 #define PCI_SERIAL_OTHER 0x80 /* Other Serial Bus Controllers */ 478 479 /* 480 * Programming interfaces for class 0xC / subclass 0x0 (Firewire) 481 */ 482 #define PCI_SERIAL_FIRE_WIRE 0x00 /* IEEE 1394 (Firewire) */ 483 #define PCI_SERIAL_FIRE_1394_HCI 0x10 /* 1394 OpenHCI Host Cntrlr */ 484 485 /* 486 * Programming interfaces for class 0xC / subclass 0x3 (USB controller) 487 */ 488 #define PCI_SERIAL_USB_IF_UHCI 0x00 /* UHCI Compliant */ 489 #define PCI_SERIAL_USB_IF_OHCI 0x10 /* OHCI Compliant */ 490 #define PCI_SERIAL_USB_IF_EHCI 0x20 /* EHCI Compliant */ 491 #define PCI_SERIAL_USB_IF_GENERIC 0x80 /* no specific HCD */ 492 #define PCI_SERIAL_USB_IF_DEVICE 0xFE /* not a HCD */ 493 494 /* 495 * Programming interfaces for class 0xC / subclass 0x7 (IPMI controller) 496 */ 497 #define PCI_SERIAL_IPMI_IF_SMIC 0x0 /* SMIC Interface */ 498 #define PCI_SERIAL_IPMI_IF_KBD 0x1 /* Keyboard Ctrl Style Intfc */ 499 #define PCI_SERIAL_IPMI_IF_BTI 0x2 /* Block Transfer Interface */ 500 501 /* 502 * PCI Sub-class codes - base class 0xD (Wireless controllers) 503 */ 504 #define PCI_WIRELESS_IRDA 0x0 /* iRDA Compatible Controller */ 505 #define PCI_WIRELESS_IR 0x1 /* Consumer IR Controller */ 506 #define PCI_WIRELESS_RF 0x10 /* RF Controller */ 507 #define PCI_WIRELESS_BLUETOOTH 0x11 /* Bluetooth Controller */ 508 #define PCI_WIRELESS_BROADBAND 0x12 /* Broadband Controller */ 509 #define PCI_WIRELESS_80211A 0x20 /* Ethernet 802.11a 5 GHz */ 510 #define PCI_WIRELESS_80211B 0x21 /* Ethernet 802.11b 2.4 GHz */ 511 #define PCI_WIRELESS_OTHER 0x80 /* Other Wireless Controllers */ 512 513 /* 514 * Programming interfaces for class 0xD / subclass 0x1 (Consumer IR controller) 515 */ 516 #define PCI_WIRELESS_IR_CONSUMER 0x00 /* Consumer IR Controller */ 517 #define PCI_WIRELESS_IR_UWB_RC 0x10 /* UWB Radio Controller */ 518 519 /* 520 * PCI Sub-class codes - base class 0xE (Intelligent I/O controllers) 521 */ 522 #define PCI_INTIO_MSG_FIFO 0x0 /* Message FIFO at off 40h */ 523 #define PCI_INTIO_I20 0x1 /* I20 Arch Spec 1.0 */ 524 525 /* 526 * PCI Sub-class codes - base class 0xF (Satellite Communication controllers) 527 */ 528 #define PCI_SATELLITE_COMM_TV 0x01 /* TV */ 529 #define PCI_SATELLITE_COMM_AUDIO 0x02 /* Audio */ 530 #define PCI_SATELLITE_COMM_VOICE 0x03 /* Voice */ 531 #define PCI_SATELLITE_COMM_DATA 0x04 /* DATA */ 532 #define PCI_SATELLITE_COMM_OTHER 0x80 /* Other Satelite Comm Cntrlr */ 533 534 /* 535 * PCI Sub-class codes - base class 0x10 (Encryption/Decryption controllers) 536 */ 537 #define PCI_CRYPT_NETWORK 0x00 /* Network and Computing */ 538 #define PCI_CRYPT_ENTERTAINMENT 0x10 /* Entertainment en/decrypt */ 539 #define PCI_CRYPT_OTHER 0x80 /* Other en/decryption ctrlrs */ 540 541 /* 542 * PCI Sub-class codes - base class 0x11 (Signal Processing controllers) 543 */ 544 #define PCI_SIGNAL_DPIO 0x00 /* DPIO modules */ 545 #define PCI_SIGNAL_PERF_COUNTERS 0x01 /* Performance counters */ 546 #define PCI_SIGNAL_COMM_SYNC 0x10 /* Comm. synchronization plus */ 547 /* time and freq test ctrlr */ 548 #define PCI_SIGNAL_MANAGEMENT 0x20 /* Management card */ 549 #define PCI_SIGNAL_OTHER 0x80 /* DSP/DAP controller */ 550 551 /* PCI header decode */ 552 #define PCI_HEADER_MULTI 0x80 /* multi-function device */ 553 #define PCI_HEADER_ZERO 0x00 /* type zero PCI header */ 554 #define PCI_HEADER_ONE 0x01 /* type one PCI header */ 555 #define PCI_HEADER_TWO 0x02 /* type two PCI header */ 556 #define PCI_HEADER_PPB PCI_HEADER_ONE /* type one PCI to PCI Bridge */ 557 #define PCI_HEADER_CARDBUS PCI_HEADER_TWO /* type one PCI header */ 558 559 #define PCI_HEADER_TYPE_M 0x7f /* type mask for header */ 560 561 /* 562 * Base register bit definitions. 563 */ 564 #define PCI_BASE_SPACE_M 0x1 /* memory space indicator */ 565 #define PCI_BASE_SPACE_IO 0x1 /* IO space */ 566 #define PCI_BASE_SPACE_MEM 0x0 /* memory space */ 567 568 #define PCI_BASE_TYPE_MEM 0x0 /* 32-bit memory address */ 569 #define PCI_BASE_TYPE_LOW 0x2 /* less than 1Mb address */ 570 #define PCI_BASE_TYPE_ALL 0x4 /* 64-bit memory address */ 571 #define PCI_BASE_TYPE_RES 0x6 /* reserved */ 572 573 #define PCI_BASE_TYPE_M 0x00000006 /* type indicator mask */ 574 #define PCI_BASE_PREF_M 0x00000008 /* prefetch mask */ 575 #define PCI_BASE_M_ADDR_M 0xfffffff0 /* memory address mask */ 576 #define PCI_BASE_IO_ADDR_M 0xfffffffe /* I/O address mask */ 577 578 #define PCI_BASE_ROM_ADDR_M 0xfffff800 /* ROM address mask */ 579 #define PCI_BASE_ROM_ENABLE 0x00000001 /* ROM decoder enable */ 580 581 /* 582 * Capabilities linked list entry offsets 583 */ 584 #define PCI_CAP_ID 0x0 /* capability identifier, 1 byte */ 585 #define PCI_CAP_NEXT_PTR 0x1 /* next entry pointer, 1 byte */ 586 #define PCI_CAP_ID_REGS_OFF 0x2 /* cap id register offset */ 587 #define PCI_CAP_MAX_PTR 0x30 /* maximum number of cap pointers */ 588 #define PCI_CAP_PTR_OFF 0x40 /* minimum cap pointer offset */ 589 #define PCI_CAP_PTR_MASK 0xFC /* mask for capability pointer */ 590 591 /* 592 * Capability identifier values 593 */ 594 #define PCI_CAP_ID_PM 0x1 /* power management entry */ 595 #define PCI_CAP_ID_AGP 0x2 /* AGP supported */ 596 #define PCI_CAP_ID_VPD 0x3 /* VPD supported */ 597 #define PCI_CAP_ID_SLOT_ID 0x4 /* Slot Identification supported */ 598 #define PCI_CAP_ID_MSI 0x5 /* MSI supported */ 599 #define PCI_CAP_ID_cPCI_HS 0x6 /* CompactPCI Host Swap supported */ 600 #define PCI_CAP_ID_PCIX 0x7 /* PCI-X supported */ 601 #define PCI_CAP_ID_HT 0x8 /* HyperTransport supported */ 602 #define PCI_CAP_ID_VS 0x9 /* Vendor Specific */ 603 #define PCI_CAP_ID_DEBUG_PORT 0xA /* Debug Port supported */ 604 #define PCI_CAP_ID_cPCI_CRC 0xB /* CompactPCI central resource ctrl */ 605 #define PCI_CAP_ID_PCI_HOTPLUG 0xC /* PCI Hot Plug supported */ 606 #define PCI_CAP_ID_P2P_SUBSYS 0xD /* PCI bridge Sub-system ID */ 607 #define PCI_CAP_ID_AGP_8X 0xE /* AGP 8X supported */ 608 #define PCI_CAP_ID_SECURE_DEV 0xF /* Secure Device supported */ 609 #define PCI_CAP_ID_PCI_E 0x10 /* PCI Express supported */ 610 #define PCI_CAP_ID_MSI_X 0x11 /* MSI-X supported */ 611 #define PCI_CAP_ID_SATA 0x12 /* SATA Data/Index Config supported */ 612 #define PCI_CAP_ID_FLR 0x13 /* Function Level Reset supported */ 613 614 /* 615 * Capability next entry pointer values 616 */ 617 #define PCI_CAP_NEXT_PTR_NULL 0x0 /* no more entries in the list */ 618 619 /* 620 * PCI power management (PM) capability entry offsets 621 */ 622 #define PCI_PMCAP 0x2 /* PM capabilities, 2 bytes */ 623 #define PCI_PMCSR 0x4 /* PM control/status reg, 2 bytes */ 624 #define PCI_PMCSR_BSE 0x6 /* PCI-PCI bridge extensions, 1 byte */ 625 #define PCI_PMDATA 0x7 /* PM data, 1 byte */ 626 627 /* 628 * PM capabilities values - 2 bytes 629 */ 630 #define PCI_PMCAP_VER_1_0 0x1 /* PCI PM spec 1.0 */ 631 #define PCI_PMCAP_VER_1_1 0x2 /* PCI PM spec 1.1 */ 632 #define PCI_PMCAP_VER_MASK 0x7 /* version mask */ 633 #define PCI_PMCAP_PME_CLOCK 0x8 /* needs PCI clock for PME */ 634 #define PCI_PMCAP_DSI 0x20 /* needs device specific init */ 635 #define PCI_PMCAP_AUX_CUR_SELF 0x0 /* 0 aux current - self powered */ 636 #define PCI_PMCAP_AUX_CUR_55mA 0x40 /* 55 mA aux current */ 637 #define PCI_PMCAP_AUX_CUR_100mA 0x80 /* 100 mA aux current */ 638 #define PCI_PMCAP_AUX_CUR_160mA 0xc0 /* 160 mA aux current */ 639 #define PCI_PMCAP_AUX_CUR_220mA 0x100 /* 220 mA aux current */ 640 #define PCI_PMCAP_AUX_CUR_270mA 0x140 /* 270 mA aux current */ 641 #define PCI_PMCAP_AUX_CUR_320mA 0x180 /* 320 mA aux current */ 642 #define PCI_PMCAP_AUX_CUR_375mA 0x1c0 /* 375 mA aux current */ 643 #define PCI_PMCAP_AUX_CUR_MASK 0x1c0 /* 3.3Vaux aux current needs */ 644 #define PCI_PMCAP_D1 0x200 /* D1 state supported */ 645 #define PCI_PMCAP_D2 0x400 /* D2 state supported */ 646 #define PCI_PMCAP_D0_PME 0x800 /* PME from D0 */ 647 #define PCI_PMCAP_D1_PME 0x1000 /* PME from D1 */ 648 #define PCI_PMCAP_D2_PME 0x2000 /* PME from D2 */ 649 #define PCI_PMCAP_D3HOT_PME 0x4000 /* PME from D3hot */ 650 #define PCI_PMCAP_D3COLD_PME 0x8000 /* PME from D3cold */ 651 #define PCI_PMCAP_PME_MASK 0xf800 /* PME support mask */ 652 653 /* 654 * PM control/status values - 2 bytes 655 */ 656 #define PCI_PMCSR_D0 0x0 /* power state D0 */ 657 #define PCI_PMCSR_D1 0x1 /* power state D1 */ 658 #define PCI_PMCSR_D2 0x2 /* power state D2 */ 659 #define PCI_PMCSR_D3HOT 0x3 /* power state D3hot */ 660 #define PCI_PMCSR_STATE_MASK 0x3 /* power state mask */ 661 #define PCI_PMCSR_PME_EN 0x100 /* enable PME assertion */ 662 #define PCI_PMCSR_DSEL_D0_PWR_C 0x0 /* D0 power consumed */ 663 #define PCI_PMCSR_DSEL_D1_PWR_C 0x200 /* D1 power consumed */ 664 #define PCI_PMCSR_DSEL_D2_PWR_C 0x400 /* D2 power consumed */ 665 #define PCI_PMCSR_DSEL_D3_PWR_C 0x600 /* D3 power consumed */ 666 #define PCI_PMCSR_DSEL_D0_PWR_D 0x800 /* D0 power dissipated */ 667 #define PCI_PMCSR_DSEL_D1_PWR_D 0xa00 /* D1 power dissipated */ 668 #define PCI_PMCSR_DSEL_D2_PWR_D 0xc00 /* D2 power dissipated */ 669 #define PCI_PMCSR_DSEL_D3_PWR_D 0xe00 /* D3 power dissipated */ 670 #define PCI_PMCSR_DSEL_COM_C 0x1000 /* common power consumption */ 671 #define PCI_PMCSR_DSEL_MASK 0x1e00 /* data select mask */ 672 #define PCI_PMCSR_DSCL_UNKNOWN 0x0 /* data scale unknown */ 673 #define PCI_PMCSR_DSCL_1_BY_10 0x2000 /* data scale 0.1x */ 674 #define PCI_PMCSR_DSCL_1_BY_100 0x4000 /* data scale 0.01x */ 675 #define PCI_PMCSR_DSCL_1_BY_1000 0x6000 /* data scale 0.001x */ 676 #define PCI_PMCSR_DSCL_MASK 0x6000 /* data scale mask */ 677 #define PCI_PMCSR_PME_STAT 0x8000 /* PME status */ 678 679 /* 680 * PM PMCSR PCI to PCI bridge support extension values - 1 byte 681 */ 682 #define PCI_PMCSR_BSE_B2_B3 0x40 /* bridge D3hot -> secondary B2 */ 683 #define PCI_PMCSR_BSE_BPCC_EN 0x80 /* bus power/clock control enabled */ 684 685 /* 686 * PCI-X capability related definitions 687 */ 688 #define PCI_PCIX_COMMAND 0x2 /* Command register offset */ 689 #define PCI_PCIX_STATUS 0x4 /* Status register offset */ 690 #define PCI_PCIX_ECC_STATUS 0x8 /* ECC Status register offset */ 691 #define PCI_PCIX_ECC_FST_AD 0xC /* ECC First address register offset */ 692 #define PCI_PCIX_ECC_SEC_AD 0x10 /* ECC Second address register offset */ 693 #define PCI_PCIX_ECC_ATTR 0x14 /* ECC Attribute register offset */ 694 695 /* 696 * PCI-X bridge capability related definitions 697 */ 698 #define PCI_PCIX_SEC_STATUS 0x2 /* Secondary status register offset */ 699 #define PCI_PCIX_BDG_STATUS 0x4 /* Bridge Status register offset */ 700 #define PCI_PCIX_UP_SPL_CTL 0x8 /* Upstream split ctrl reg offset */ 701 #define PCI_PCIX_DOWN_SPL_CTL 0xC /* Downstream split ctrl reg offset */ 702 #define PCI_PCIX_BDG_ECC_STATUS 0x10 /* ECC Status register offset */ 703 #define PCI_PCIX_BDG_ECC_FST_AD 0x14 /* ECC First address register offset */ 704 #define PCI_PCIX_BDG_ECC_SEC_AD 0x18 /* ECC Second address register offset */ 705 #define PCI_PCIX_BDG_ECC_ATTR 0x1C /* ECC Attribute register offset */ 706 707 /* 708 * PCIX capabilities values 709 */ 710 #define PCI_PCIX_VER_MASK 0x3000 /* Bits 12 and 13 */ 711 #define PCI_PCIX_VER_0 0x0000 /* PCIX cap list item version 0 */ 712 #define PCI_PCIX_VER_1 0x1000 /* PCIX cap list item version 1 */ 713 #define PCI_PCIX_VER_2 0x2000 /* PCIX cap list item version 2 */ 714 715 #define PCI_PCIX_SPL_DSCD 0x40000 /* Split Completion Discarded */ 716 #define PCI_PCIX_UNEX_SPL 0x80000 /* Unexpected Split Completion */ 717 #define PCI_PCIX_RX_SPL_MSG 0x20000000 /* Recieved Spl Comp Error Message */ 718 719 #define PCI_PCIX_ECC_SEL 0x1 /* Secondary ECC register select */ 720 #define PCI_PCIX_ECC_EP 0x2 /* Error Present on other side */ 721 #define PCI_PCIX_ECC_S_CE 0x4 /* Addl Correctable ECC Error */ 722 #define PCI_PCIX_ECC_S_UE 0x8 /* Addl Uncorrectable ECC Error */ 723 #define PCI_PCIX_ECC_PHASE 0x70 /* ECC Error Phase */ 724 #define PCI_PCIX_ECC_CORR 0x80 /* ECC Error Corrected */ 725 #define PCI_PCIX_ECC_SYN 0xff00 /* ECC Error Syndrome */ 726 #define PCI_PCIX_ECC_FST_CMD 0xf0000 /* ECC Error First Command */ 727 #define PCI_PCIX_ECC_SEC_CMD 0xf00000 /* ECC Error Second Command */ 728 #define PCI_PCIX_ECC_UP_ATTR 0xf000000 /* ECC Error Upper Attributes */ 729 730 /* 731 * PCIX ECC Phase Values 732 */ 733 #define PCI_PCIX_ECC_PHASE_NOERR 0x0 734 #define PCI_PCIX_ECC_PHASE_FADDR 0x1 735 #define PCI_PCIX_ECC_PHASE_SADDR 0x2 736 #define PCI_PCIX_ECC_PHASE_ATTR 0x3 737 #define PCI_PCIX_ECC_PHASE_DATA32 0x4 738 #define PCI_PCIX_ECC_PHASE_DATA64 0x5 739 740 /* 741 * PCI-X Command Encoding 742 */ 743 #define PCI_PCIX_CMD_INTR 0x0 744 #define PCI_PCIX_CMD_SPEC 0x1 745 #define PCI_PCIX_CMD_IORD 0x2 746 #define PCI_PCIX_CMD_IOWR 0x3 747 #define PCI_PCIX_CMD_DEVID 0x5 748 #define PCI_PCIX_CMD_MEMRD_DW 0x6 749 #define PCI_PCIX_CMD_MEMWR 0x7 750 #define PCI_PCIX_CMD_MEMRD_BL 0x8 751 #define PCI_PCIX_CMD_MEMWR_BL 0x9 752 #define PCI_PCIX_CMD_CFRD 0xA 753 #define PCI_PCIX_CMD_CFWR 0xB 754 #define PCI_PCIX_CMD_SPL 0xC 755 #define PCI_PCIX_CMD_DADR 0xD 756 #define PCI_PCIX_CMD_MEMRDBL 0xE 757 #define PCI_PCIX_CMD_MEMWRBL 0xF 758 759 #if defined(_BIT_FIELDS_LTOH) 760 typedef struct pcix_attr { 761 uint32_t lbc :8, 762 rid :16, 763 tag :5, 764 ro :1, 765 ns :1, 766 r :1; 767 } pcix_attr_t; 768 #elif defined(_BIT_FIELDS_HTOL) 769 typedef struct pcix_attr { 770 uint32_t r :1, 771 ns :1, 772 ro :1, 773 tag :5, 774 rid :16, 775 lbc :8; 776 } pcix_attr_t; 777 #else 778 #error "bit field not defined" 779 #endif 780 781 #define PCI_PCIX_BSS_SPL_DSCD 0x4 /* Secondary split comp discarded */ 782 #define PCI_PCIX_BSS_UNEX_SPL 0x8 /* Secondary unexpected split comp */ 783 #define PCI_PCIX_BSS_SPL_OR 0x10 /* Secondary split comp overrun */ 784 #define PCI_PCIX_BSS_SPL_DLY 0x20 /* Secondary split comp delayed */ 785 786 /* 787 * PCI Message Signalled Interrupts (MSI) capability entry offsets for 32-bit 788 */ 789 #define PCI_MSI_CTRL 0x02 /* MSI control register, 2 bytes */ 790 #define PCI_MSI_ADDR_OFFSET 0x04 /* MSI 32-bit msg address, 4 bytes */ 791 #define PCI_MSI_32BIT_DATA 0x08 /* MSI 32-bit msg data, 2 bytes */ 792 #define PCI_MSI_32BIT_MASK 0x0C /* MSI 32-bit mask bits, 4 bytes */ 793 #define PCI_MSI_32BIT_PENDING 0x10 /* MSI 32-bit pending bits, 4 bytes */ 794 795 /* 796 * PCI Message Signalled Interrupts (MSI) capability entry offsets for 64-bit 797 */ 798 #define PCI_MSI_64BIT_DATA 0x0C /* MSI 64-bit msg data, 2 bytes */ 799 #define PCI_MSI_64BIT_MASKBITS 0x10 /* MSI 64-bit mask bits, 4 bytes */ 800 #define PCI_MSI_64BIT_PENDING 0x14 /* MSI 64-bit pending bits, 4 bytes */ 801 802 /* 803 * PCI Message Signalled Interrupts (MSI) capability masks and shifts 804 */ 805 #define PCI_MSI_ENABLE_BIT 0x0001 /* MSI enable mask in MSI ctrl reg */ 806 #define PCI_MSI_MMC_MASK 0x000E /* MMC mask in MSI ctrl reg */ 807 #define PCI_MSI_MMC_SHIFT 0x1 /* Shift for MMC bits */ 808 #define PCI_MSI_MME_MASK 0x0070 /* MME mask in MSI ctrl reg */ 809 #define PCI_MSI_MME_SHIFT 0x4 /* Shift for MME bits */ 810 #define PCI_MSI_64BIT_MASK 0x0080 /* 64bit support mask in MSI ctrl reg */ 811 #define PCI_MSI_PVM_MASK 0x0100 /* PVM support mask in MSI ctrl reg */ 812 813 /* 814 * PCI Extended Message Signalled Interrupts (MSI-X) capability entry offsets 815 */ 816 #define PCI_MSIX_CTRL 0x02 /* MSI-X control register, 2 bytes */ 817 #define PCI_MSIX_TBL_OFFSET 0x04 /* MSI-X table offset, 4 bytes */ 818 #define PCI_MSIX_TBL_BIR_MASK 0x0007 /* MSI-X table BIR mask */ 819 #define PCI_MSIX_PBA_OFFSET 0x08 /* MSI-X pending bit array, 4 bytes */ 820 #define PCI_MSIX_PBA_BIR_MASK 0x0007 /* MSI-X PBA BIR mask */ 821 822 #define PCI_MSIX_TBL_SIZE_MASK 0x07FF /* table size mask in MSI-X ctrl reg */ 823 #define PCI_MSIX_FUNCTION_MASK 0x4000 /* function mask in MSI-X ctrl reg */ 824 #define PCI_MSIX_ENABLE_BIT 0x8000 /* MSI-X enable mask in MSI-X ctl reg */ 825 826 #define PCI_MSIX_LOWER_ADDR_OFFSET 0 /* MSI-X lower addr offset */ 827 #define PCI_MSIX_UPPER_ADDR_OFFSET 4 /* MSI-X upper addr offset */ 828 #define PCI_MSIX_DATA_OFFSET 8 /* MSI-X data offset */ 829 #define PCI_MSIX_VECTOR_CTRL_OFFSET 12 /* MSI-X vector ctrl offset */ 830 #define PCI_MSIX_VECTOR_SIZE 16 /* MSI-X size of each vector */ 831 832 /* 833 * PCI Message Signalled Interrupts: other interesting constants 834 */ 835 #define PCI_MSI_MAX_INTRS 32 /* maximum MSI interrupts supported */ 836 #define PCI_MSIX_MAX_INTRS 2048 /* maximum MSI-X interrupts supported */ 837 838 /* 839 * PCI Slot Id Capabilities, 2 bytes 840 */ 841 /* Byte 1: Expansion Slot Register (ESR), Byte 2: Chassis Number Register */ 842 #define PCI_CAPSLOT_ESR_NSLOTS_MASK 0x1F /* Number of slots mask */ 843 #define PCI_CAPSLOT_ESR_FIC 0x20 /* First In Chassis bit */ 844 #define PCI_CAPSLOT_ESR_FIC_MASK 0x01 /* First In Chassis mask */ 845 #define PCI_CAPSLOT_ESR_FIC_SHIFT 5 /* First In Chassis shift */ 846 #define PCI_CAPSLOT_FIC(esr_reg) ((esr_reg) & PCI_CAPSLOT_ESR_FIC) 847 #define PCI_CAPSLOT_NSLOTS(esr_reg) ((esr_reg) & \ 848 PCI_CAPSLOT_ESR_NSLOTS_MASK) 849 850 /* 851 * other interesting PCI constants 852 */ 853 #define PCI_BASE_NUM 6 /* num of base regs in configuration header */ 854 #define PCI_BAR_SZ_32 4 /* size of 32 bit base addr reg in bytes */ 855 #define PCI_BAR_SZ_64 8 /* size of 64 bit base addr reg in bytes */ 856 #define PCI_BASE_SIZE 4 /* size of base reg in bytes */ 857 #define PCI_CONF_HDR_SIZE 256 /* configuration header size */ 858 #define PCI_MAX_BUS_NUM 256 /* Maximum PCI buses allowed */ 859 #define PCI_MAX_DEVICES 32 /* Max PCI devices allowed */ 860 #define PCI_MAX_FUNCTIONS 8 /* Max PCI functions allowed */ 861 #define PCI_MAX_CHILDREN PCI_MAX_DEVICES * PCI_MAX_FUNCTIONS 862 #define PCI_CLK_33MHZ (33 * 1000 * 1000) /* 33MHz clock speed */ 863 #define PCI_CLK_66MHZ (66 * 1000 * 1000) /* 66MHz clock speed */ 864 #define PCI_CLK_133MHZ (133 * 1000 * 1000) /* 133MHz clock speed */ 865 866 /* 867 * pci bus range definition 868 */ 869 typedef struct pci_bus_range { 870 uint32_t lo; 871 uint32_t hi; 872 } pci_bus_range_t; 873 874 /* 875 * The following typedef is used to represent an entry in the "ranges" 876 * property of a pci hostbridge device node. 877 */ 878 typedef struct pci_ranges { 879 uint32_t child_high; 880 uint32_t child_mid; 881 uint32_t child_low; 882 uint32_t parent_high; 883 uint32_t parent_low; 884 uint32_t size_high; 885 uint32_t size_low; 886 } pci_ranges_t; 887 888 /* 889 * The following typedef is used to represent an entry in the "ranges" 890 * property of a pci-pci bridge device node. 891 */ 892 typedef struct { 893 uint32_t child_high; 894 uint32_t child_mid; 895 uint32_t child_low; 896 uint32_t parent_high; 897 uint32_t parent_mid; 898 uint32_t parent_low; 899 uint32_t size_high; 900 uint32_t size_low; 901 } ppb_ranges_t; 902 903 /* 904 * This structure represents one entry of the 1275 "reg" property and 905 * "assigned-addresses" property for a PCI node. For the "reg" property, it 906 * may be one of an arbitrary length array for devices with multiple address 907 * windows. For the "assigned-addresses" property, it denotes an assigned 908 * physical address on the PCI bus. It may be one entry of the six entries 909 * for devices with multiple base registers. 910 * 911 * The physical address format is: 912 * 913 * Bit#: 33222222 22221111 11111100 00000000 914 * 10987654 32109876 54321098 76543210 915 * 916 * pci_phys_hi cell: np0000tt bbbbbbbb dddddfff rrrrrrrr 917 * pci_phys_mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh 918 * pci_phys_low cell: llllllll llllllll llllllll llllllll 919 * 920 * n is 0 if the address is relocatable, 1 otherwise 921 * p is 1 if the addressable region is "prefetchable", 0 otherwise 922 * t is 1 if the address range is aliased 923 * tt is the type code, denoting which address space 924 * bbbbbbbb is the 8-bit bus number 925 * ddddd is the 5-bit device number 926 * fff is the 3-bit function number 927 * rrrrrrrr is the 8-bit register number 928 * hh...hhh is the 32-bit unsigned number 929 * ll...lll is the 32-bit unsigned number 930 * 931 * The physical size format is: 932 * 933 * pci_size_hi cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh 934 * pci_size_low cell: llllllll llllllll llllllll llllllll 935 * 936 * hh...hhh is the 32-bit unsigned number 937 * ll...lll is the 32-bit unsigned number 938 */ 939 struct pci_phys_spec { 940 uint_t pci_phys_hi; /* child's address, hi word */ 941 uint_t pci_phys_mid; /* child's address, middle word */ 942 uint_t pci_phys_low; /* child's address, low word */ 943 uint_t pci_size_hi; /* high word of size field */ 944 uint_t pci_size_low; /* low word of size field */ 945 }; 946 947 typedef struct pci_phys_spec pci_regspec_t; 948 949 /* 950 * PCI masks for pci_phy_hi of PCI 1275 address cell. 951 */ 952 #define PCI_REG_REG_M 0xff /* register mask */ 953 #define PCI_REG_FUNC_M 0x700 /* function mask */ 954 #define PCI_REG_DEV_M 0xf800 /* device mask */ 955 #define PCI_REG_BUS_M 0xff0000 /* bus number mask */ 956 #define PCI_REG_ADDR_M 0x3000000 /* address space mask */ 957 #define PCI_REG_ALIAS_M 0x20000000 /* aliased bit mask */ 958 #define PCI_REG_PF_M 0x40000000 /* prefetch bit mask */ 959 #define PCI_REG_REL_M 0x80000000 /* relocation bit mask */ 960 #define PCI_REG_BDFR_M 0xffffff /* bus, dev, func, reg mask */ 961 962 #define PCI_REG_FUNC_SHIFT 8 /* Offset of function bits */ 963 #define PCI_REG_DEV_SHIFT 11 /* Offset of device bits */ 964 #define PCI_REG_BUS_SHIFT 16 /* Offset of bus bits */ 965 #define PCI_REG_ADDR_SHIFT 24 /* Offset of address bits */ 966 967 #define PCI_REG_REG_G(x) ((x) & PCI_REG_REG_M) 968 #define PCI_REG_FUNC_G(x) (((x) & PCI_REG_FUNC_M) >> PCI_REG_FUNC_SHIFT) 969 #define PCI_REG_DEV_G(x) (((x) & PCI_REG_DEV_M) >> PCI_REG_DEV_SHIFT) 970 #define PCI_REG_BUS_G(x) (((x) & PCI_REG_BUS_M) >> PCI_REG_BUS_SHIFT) 971 #define PCI_REG_ADDR_G(x) (((x) & PCI_REG_ADDR_M) >> PCI_REG_ADDR_SHIFT) 972 #define PCI_REG_BDFR_G(x) ((x) & PCI_REG_BDFR_M) 973 974 /* 975 * PCI bit encodings of pci_phys_hi of PCI 1275 address cell. 976 */ 977 #define PCI_ADDR_MASK PCI_REG_ADDR_M 978 #define PCI_ADDR_CONFIG 0x00000000 /* configuration address */ 979 #define PCI_ADDR_IO 0x01000000 /* I/O address */ 980 #define PCI_ADDR_MEM32 0x02000000 /* 32-bit memory address */ 981 #define PCI_ADDR_MEM64 0x03000000 /* 64-bit memory address */ 982 #define PCI_ALIAS_B PCI_REG_ALIAS_M /* aliased bit */ 983 #define PCI_PREFETCH_B PCI_REG_PF_M /* prefetch bit */ 984 #define PCI_RELOCAT_B PCI_REG_REL_M /* non-relocatable bit */ 985 #define PCI_CONF_ADDR_MASK 0x00ffffff /* mask for config address */ 986 987 #define PCI_HARDDEC_8514 2 /* number of reg entries for 8514 hard-decode */ 988 #define PCI_HARDDEC_VGA 3 /* number of reg entries for VGA hard-decode */ 989 #define PCI_HARDDEC_IDE 4 /* number of reg entries for IDE hard-decode */ 990 #define PCI_HARDDEC_IDE_PRI 2 /* number of reg entries for IDE primary */ 991 #define PCI_HARDDEC_IDE_SEC 2 /* number of reg entries for IDE secondary */ 992 993 /* 994 * PCI Expansion ROM Header Format 995 */ 996 #define PCI_ROM_SIGNATURE 0x0 /* ROM Signature 0xaa55 */ 997 #define PCI_ROM_ARCH_UNIQUE_START 0x2 /* Start of processor unique */ 998 #define PCI_ROM_PCI_DATA_STRUCT_PTR 0x18 /* Ptr to PCI Data Structure */ 999 1000 /* 1001 * PCI Data Structure 1002 * 1003 * The PCI Data Structure is located within the first 64KB 1004 * of the ROM image and must be DWORD aligned. 1005 */ 1006 #define PCI_PDS_SIGNATURE 0x0 /* Signature, the string 'PCIR' */ 1007 #define PCI_PDS_VENDOR_ID 0x4 /* Vendor Identification */ 1008 #define PCI_PDS_DEVICE_ID 0x6 /* Device Identification */ 1009 #define PCI_PDS_VPD_PTR 0x8 /* Pointer to Vital Product Data */ 1010 #define PCI_PDS_PDS_LENGTH 0xa /* PCI Data Structure Length */ 1011 #define PCI_PDS_PDS_REVISION 0xc /* PCI Data Structure Revision */ 1012 #define PCI_PDS_CLASS_CODE 0xd /* Class Code */ 1013 #define PCI_PDS_IMAGE_LENGTH 0x10 /* Image Length in 512 byte units */ 1014 #define PCI_PDS_CODE_REVISON 0x12 /* Revision Level of Code/Data */ 1015 #define PCI_PDS_CODE_TYPE 0x14 /* Code Type */ 1016 #define PCI_PDS_INDICATOR 0x15 /* Indicates if image is last in ROM */ 1017 1018 #define PCI_PDS_CODE_TYPE_PCAT 0x0 /* Intel x86/PC-AT Type */ 1019 #define PCI_PDS_CODE_TYPE_OPEN_FW 0x1 /* Open Firmware */ 1020 1021 #ifdef __cplusplus 1022 } 1023 #endif 1024 1025 #endif /* _SYS_PCI_H */ 1026