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      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 2009 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 #ifdef	__cplusplus
     30 extern "C" {
     31 #endif
     32 
     33 /*
     34  * PCI Configuration Header offsets
     35  */
     36 #define	PCI_CONF_VENID		0x0	/* vendor id, 2 bytes */
     37 #define	PCI_CONF_DEVID		0x2	/* device id, 2 bytes */
     38 #define	PCI_CONF_COMM		0x4	/* command register, 2 bytes */
     39 #define	PCI_CONF_STAT		0x6	/* status register, 2 bytes */
     40 #define	PCI_CONF_REVID		0x8	/* revision id, 1 byte */
     41 #define	PCI_CONF_PROGCLASS	0x9	/* programming class code, 1 byte */
     42 #define	PCI_CONF_SUBCLASS	0xA	/* sub-class code, 1 byte */
     43 #define	PCI_CONF_BASCLASS	0xB	/* basic class code, 1 byte */
     44 #define	PCI_CONF_CACHE_LINESZ	0xC	/* cache line size, 1 byte */
     45 #define	PCI_CONF_LATENCY_TIMER	0xD	/* latency timer, 1 byte */
     46 #define	PCI_CONF_HEADER		0xE	/* header type, 1 byte */
     47 #define	PCI_CONF_BIST		0xF	/* builtin self test, 1 byte */
     48 
     49 /*
     50  * Header type 0 offsets
     51  */
     52 #define	PCI_CONF_BASE0		0x10	/* base register 0, 4 bytes */
     53 #define	PCI_CONF_BASE1		0x14	/* base register 1, 4 bytes */
     54 #define	PCI_CONF_BASE2		0x18	/* base register 2, 4 bytes */
     55 #define	PCI_CONF_BASE3		0x1c	/* base register 3, 4 bytes */
     56 #define	PCI_CONF_BASE4		0x20	/* base register 4, 4 bytes */
     57 #define	PCI_CONF_BASE5		0x24	/* base register 5, 4 bytes */
     58 #define	PCI_CONF_CIS		0x28	/* Cardbus CIS Pointer */
     59 #define	PCI_CONF_SUBVENID	0x2c	/* Subsystem Vendor ID */
     60 #define	PCI_CONF_SUBSYSID	0x2e	/* Subsystem ID */
     61 #define	PCI_CONF_ROM		0x30	/* ROM base register, 4 bytes */
     62 #define	PCI_CONF_CAP_PTR	0x34	/* capabilities pointer, 1 byte */
     63 #define	PCI_CONF_ILINE		0x3c	/* interrupt line, 1 byte */
     64 #define	PCI_CONF_IPIN		0x3d	/* interrupt pin, 1 byte */
     65 #define	PCI_CONF_MIN_G		0x3e	/* minimum grant, 1 byte */
     66 #define	PCI_CONF_MAX_L		0x3f	/* maximum grant, 1 byte */
     67 
     68 /*
     69  * PCI to PCI bridge configuration space header format
     70  */
     71 #define	PCI_BCNF_PRIBUS		0x18	/* primary bus number */
     72 #define	PCI_BCNF_SECBUS		0x19	/* secondary bus number */
     73 #define	PCI_BCNF_SUBBUS		0x1a	/* subordinate bus number */
     74 #define	PCI_BCNF_LATENCY_TIMER	0x1b
     75 #define	PCI_BCNF_IO_BASE_LOW	0x1c
     76 #define	PCI_BCNF_IO_LIMIT_LOW	0x1d
     77 #define	PCI_BCNF_SEC_STATUS	0x1e
     78 #define	PCI_BCNF_MEM_BASE	0x20
     79 #define	PCI_BCNF_MEM_LIMIT	0x22
     80 #define	PCI_BCNF_PF_BASE_LOW	0x24
     81 #define	PCI_BCNF_PF_LIMIT_LOW	0x26
     82 #define	PCI_BCNF_PF_BASE_HIGH	0x28
     83 #define	PCI_BCNF_PF_LIMIT_HIGH	0x2c
     84 #define	PCI_BCNF_IO_BASE_HI	0x30
     85 #define	PCI_BCNF_IO_LIMIT_HI	0x32
     86 #define	PCI_BCNF_CAP_PTR	0x34
     87 #define	PCI_BCNF_ROM		0x38
     88 #define	PCI_BCNF_ILINE		0x3c
     89 #define	PCI_BCNF_IPIN		0x3d
     90 #define	PCI_BCNF_BCNTRL		0x3e
     91 
     92 #define	PCI_BCNF_BASE_NUM	0x2
     93 
     94 /*
     95  * PCI to PCI bridge control register (0x3e) format
     96  */
     97 #define	PCI_BCNF_BCNTRL_PARITY_ENABLE	0x1
     98 #define	PCI_BCNF_BCNTRL_SERR_ENABLE	0x2
     99 #define	PCI_BCNF_BCNTRL_ISA_ENABLE	0x4
    100 #define	PCI_BCNF_BCNTRL_VGA_ENABLE	0x8
    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_CAP_PTR	0x14	/* Capability ptr, 1 byte */
    115 #define	PCI_CBUS_RESERVED1	0x15	/* Reserved, 1 byte */
    116 #define	PCI_CBUS_SEC_STATUS	0x16	/* Secondary status, 2 bytes */
    117 #define	PCI_CBUS_PCI_BUS_NO	0x18	/* PCI bus number, 1 byte */
    118 #define	PCI_CBUS_CBUS_NO	0x19	/* Cardbus bus number, 1 byte */
    119 #define	PCI_CBUS_SUB_BUS_NO	0x1a	/* Subordinate bus number, 1 byte */
    120 #define	PCI_CBUS_LATENCY_TIMER	0x1b	/* Cardbus latency timer, 1 byte */
    121 #define	PCI_CBUS_MEM_BASE0	0x1c	/* Memory base reg 0, 4 bytes */
    122 #define	PCI_CBUS_MEM_LIMIT0	0x20	/* Memory limit reg 0, 4 bytes */
    123 #define	PCI_CBUS_MEM_BASE1	0x24	/* Memory base reg 1, 4 bytes */
    124 #define	PCI_CBUS_MEM_LIMIT1	0x28	/* Memory limit reg 1, 4 bytes */
    125 #define	PCI_CBUS_IO_BASE0	0x2c	/* IO base reg 0, 4 bytes */
    126 #define	PCI_CBUS_IO_LIMIT0	0x30	/* IO limit reg 0, 4 bytes */
    127 #define	PCI_CBUS_IO_BASE1	0x34	/* IO base reg 1, 4 bytes */
    128 #define	PCI_CBUS_IO_LIMIT1	0x38	/* IO limit reg 1, 4 bytes */
    129 #define	PCI_CBUS_ILINE		0x3c	/* interrupt line, 1 byte */
    130 #define	PCI_CBUS_IPIN		0x3d	/* interrupt pin, 1 byte */
    131 #define	PCI_CBUS_BRIDGE_CTRL	0x3e	/* Bridge control, 2 bytes */
    132 #define	PCI_CBUS_SUBVENID	0x40	/* Subsystem Vendor ID, 2 bytes */
    133 #define	PCI_CBUS_SUBSYSID	0x42	/* Subsystem ID, 2 bytes */
    134 #define	PCI_CBUS_LEG_MODE_ADDR	0x44	/* PCCard 16bit IF legacy mode addr */
    135 
    136 #define	PCI_CBUS_BASE_NUM	0x1	/* number of base registers */
    137 
    138 /*
    139  * PCI command register bits
    140  */
    141 #define	PCI_COMM_IO		0x1	/* I/O access enable */
    142 #define	PCI_COMM_MAE		0x2	/* memory access enable */
    143 #define	PCI_COMM_ME		0x4	/* master enable */
    144 #define	PCI_COMM_SPEC_CYC	0x8
    145 #define	PCI_COMM_MEMWR_INVAL	0x10
    146 #define	PCI_COMM_PALETTE_SNOOP	0x20
    147 #define	PCI_COMM_PARITY_DETECT	0x40
    148 #define	PCI_COMM_WAIT_CYC_ENAB	0x80
    149 #define	PCI_COMM_SERR_ENABLE	0x100
    150 #define	PCI_COMM_BACK2BACK_ENAB	0x200
    151 #define	PCI_COMM_INTX_DISABLE	0x400	/* INTx emulation disable */
    152 
    153 /*
    154  * PCI Interrupt pin value
    155  */
    156 #define	PCI_INTA	1
    157 #define	PCI_INTB	2
    158 #define	PCI_INTC	3
    159 #define	PCI_INTD	4
    160 
    161 /*
    162  * PCI status register bits
    163  */
    164 #define	PCI_STAT_INTR		0x8	/* Interrupt state */
    165 #define	PCI_STAT_CAP		0x10	/* Implements Capabilities */
    166 #define	PCI_STAT_66MHZ		0x20	/* 66 MHz capable */
    167 #define	PCI_STAT_UDF		0x40	/* UDF supported */
    168 #define	PCI_STAT_FBBC		0x80	/* Fast Back-to-Back Capable */
    169 #define	PCI_STAT_S_PERROR	0x100	/* Data Parity Reported */
    170 #define	PCI_STAT_DEVSELT	0x600	/* Device select timing */
    171 #define	PCI_STAT_S_TARG_AB	0x800	/* Signaled Target Abort */
    172 #define	PCI_STAT_R_TARG_AB	0x1000	/* Received Target Abort */
    173 #define	PCI_STAT_R_MAST_AB	0x2000	/* Received Master Abort */
    174 #define	PCI_STAT_S_SYSERR	0x4000	/* Signaled System Error */
    175 #define	PCI_STAT_PERROR		0x8000	/* Detected Parity Error */
    176 
    177 /*
    178  * DEVSEL timing values
    179  */
    180 #define	PCI_STAT_DEVSELT_FAST	0x0000
    181 #define	PCI_STAT_DEVSELT_MEDIUM	0x0200
    182 #define	PCI_STAT_DEVSELT_SLOW	0x0400
    183 
    184 /*
    185  * BIST values
    186  */
    187 #define	PCI_BIST_SUPPORTED	0x80
    188 #define	PCI_BIST_GO		0x40
    189 #define	PCI_BIST_RESULT_M	0x0f
    190 #define	PCI_BIST_RESULT_OK	0x00
    191 
    192 /*
    193  * PCI class codes
    194  */
    195 #define	PCI_CLASS_NONE		0x0	/* class code for pre-2.0 devices */
    196 #define	PCI_CLASS_MASS		0x1	/* Mass storage Controller class */
    197 #define	PCI_CLASS_NET		0x2	/* Network Controller class */
    198 #define	PCI_CLASS_DISPLAY	0x3	/* Display Controller class */
    199 #define	PCI_CLASS_MM		0x4	/* Multimedia Controller class */
    200 #define	PCI_CLASS_MEM		0x5	/* Memory Controller class */
    201 #define	PCI_CLASS_BRIDGE	0x6	/* Bridge Controller class */
    202 #define	PCI_CLASS_COMM		0x7	/* Communications Controller class */
    203 #define	PCI_CLASS_PERIPH	0x8	/* Peripheral Controller class */
    204 #define	PCI_CLASS_INPUT		0x9	/* Input Device class */
    205 #define	PCI_CLASS_DOCK		0xa	/* Docking Station class */
    206 #define	PCI_CLASS_PROCESSOR	0xb	/* Processor class */
    207 #define	PCI_CLASS_SERIALBUS	0xc	/* Serial Bus class */
    208 #define	PCI_CLASS_WIRELESS	0xd	/* Wireless Controller class */
    209 #define	PCI_CLASS_INTIO		0xe	/* Intelligent IO Controller class */
    210 #define	PCI_CLASS_SATELLITE	0xf	/* Satellite Communication class */
    211 #define	PCI_CLASS_CRYPT		0x10	/* Encrytion/Decryption class */
    212 #define	PCI_CLASS_SIGNAL	0x11	/* Signal Processing class */
    213 
    214 /*
    215  * PCI Sub-class codes - base class 0x0 (no new devices should use this code).
    216  */
    217 #define	PCI_NONE_NOTVGA		0x0	/* All devices except VGA compatible */
    218 #define	PCI_NONE_VGA		0x1	/* VGA compatible */
    219 
    220 /*
    221  * PCI Sub-class codes - base class 0x1 (mass storage controllers)
    222  */
    223 #define	PCI_MASS_SCSI		0x0	/* SCSI bus Controller */
    224 #define	PCI_MASS_IDE		0x1	/* IDE Controller */
    225 #define	PCI_MASS_FD		0x2	/* Floppy disk Controller */
    226 #define	PCI_MASS_IPI		0x3	/* IPI bus Controller */
    227 #define	PCI_MASS_RAID		0x4	/* RAID Controller */
    228 #define	PCI_MASS_ATA		0x5	/* ATA Controller */
    229 #define	PCI_MASS_SATA		0x6	/* Serial ATA */
    230 #define	PCI_MASS_SAS		0x7	/* Serial Attached SCSI (SAS) Cntrlr */
    231 #define	PCI_MASS_OTHER		0x80	/* Other Mass Storage Controller */
    232 
    233 /*
    234  * programming interface for IDE (subclass 1)
    235  */
    236 #define	PCI_IDE_IF_NATIVE_PRI	0x1	/* primary channel is native */
    237 #define	PCI_IDE_IF_PROG_PRI	0x2	/* primary can operate in either mode */
    238 #define	PCI_IDE_IF_NATIVE_SEC	0x4	/* secondary channel is native */
    239 #define	PCI_IDE_IF_PROG_SEC	0x8	/* sec. can operate in either mode */
    240 #define	PCI_IDE_IF_MASK		0xf	/* programming interface mask */
    241 
    242 
    243 /*
    244  * programming interface for ATA (subclass 5)
    245  */
    246 #define	PCI_ATA_IF_SINGLE_DMA	0x20	/* ATA controller with single DMA */
    247 #define	PCI_ATA_IF_CHAINED_DMA	0x30	/* ATA controller with chained DMA */
    248 
    249 /*
    250  * programming interface for ATA (subclass 6) for SATA
    251  */
    252 #define	PCI_SATA_VS_INTERFACE	0x0	/* SATA Ctlr Vendor Specific Intfc */
    253 #define	PCI_SATA_AHCI_INTERFACE	0x1	/* SATA Ctlr AHCI 1.0 Interface */
    254 #define	PCI_SATA_SSB_INTERFACE	0x2	/* Serial Storage Bus Interface */
    255 
    256 /*
    257  * programming interface for ATA (subclass 7) for SAS
    258  */
    259 #define	PCI_SAS_CONTROLLER	0x0	/* SAS Controller */
    260 #define	PCI_SAS_BUS_INTERFACE	0x1	/* Serial Storage Bus Interface */
    261 
    262 /*
    263  * PCI Sub-class codes - base class 0x2 (Network controllers)
    264  */
    265 #define	PCI_NET_ENET		0x0	/* Ethernet Controller */
    266 #define	PCI_NET_TOKEN		0x1	/* Token Ring Controller */
    267 #define	PCI_NET_FDDI		0x2	/* FDDI Controller */
    268 #define	PCI_NET_ATM		0x3	/* ATM Controller */
    269 #define	PCI_NET_ISDN		0x4	/* ISDN Controller */
    270 #define	PCI_NET_WFIP		0x5	/* WorldFip Controller */
    271 #define	PCI_NET_PICMG		0x6	/* PICMG 2.14 Multi Computing */
    272 #define	PCI_NET_OTHER		0x80	/* Other Network Controller */
    273 
    274 /*
    275  * PCI Sub-class codes - base class 03 (display controllers)
    276  */
    277 #define	PCI_DISPLAY_VGA		0x0	/* VGA device */
    278 #define	PCI_DISPLAY_XGA		0x1	/* XGA device */
    279 #define	PCI_DISPLAY_3D		0x2	/* 3D controller */
    280 #define	PCI_DISPLAY_OTHER	0x80	/* Other Display Device */
    281 
    282 /*
    283  * programming interface for display for display class (subclass 0) VGA ctrlrs
    284  */
    285 #define	PCI_DISPLAY_IF_VGA	0x0	/* VGA compatible */
    286 #define	PCI_DISPLAY_IF_8514	0x1	/* 8514 compatible */
    287 
    288 /*
    289  * PCI Sub-class codes - base class 0x4 (multi-media devices)
    290  */
    291 #define	PCI_MM_VIDEO		0x0	/* Video device */
    292 #define	PCI_MM_AUDIO		0x1	/* Audio device */
    293 #define	PCI_MM_TELEPHONY	0x2	/* Computer Telephony device */
    294 #define	PCI_MM_MIXED_MODE	0x3	/* Mixed Mode device */
    295 #define	PCI_MM_OTHER		0x80	/* Other Multimedia Device */
    296 
    297 /*
    298  * PCI Sub-class codes - base class 0x5 (memory controllers)
    299  */
    300 #define	PCI_MEM_RAM		0x0	/* RAM device */
    301 #define	PCI_MEM_FLASH		0x1	/* FLASH device */
    302 #define	PCI_MEM_OTHER		0x80	/* Other Memory Controller */
    303 
    304 /*
    305  * PCI Sub-class codes - base class 0x6 (Bridge devices)
    306  */
    307 #define	PCI_BRIDGE_HOST		0x0	/* Host/PCI Bridge */
    308 #define	PCI_BRIDGE_ISA		0x1	/* PCI/ISA Bridge */
    309 #define	PCI_BRIDGE_EISA		0x2	/* PCI/EISA Bridge */
    310 #define	PCI_BRIDGE_MC		0x3	/* PCI/MC Bridge */
    311 #define	PCI_BRIDGE_PCI		0x4	/* PCI/PCI Bridge */
    312 #define	PCI_BRIDGE_PCMCIA	0x5	/* PCI/PCMCIA Bridge */
    313 #define	PCI_BRIDGE_NUBUS	0x6	/* PCI/NUBUS Bridge */
    314 #define	PCI_BRIDGE_CARDBUS	0x7	/* PCI/CARDBUS Bridge */
    315 #define	PCI_BRIDGE_RACE		0x8	/* RACE-way Bridge */
    316 #define	PCI_BRIDGE_STPCI	0x9	/* Semi-transparent PCI/PCI Bridge */
    317 #define	PCI_BRIDGE_IB		0xA	/* InfiniBand/PCI host Bridge */
    318 #define	PCI_BRIDGE_AS		0xB	/* AS/PCI host Bridge */
    319 #define	PCI_BRIDGE_OTHER	0x80	/* PCI/Other Bridge Device */
    320 
    321 /*
    322  * programming interface for Bridges class 0x6 (subclass 4) PCI-PCI bridge
    323  */
    324 #define	PCI_BRIDGE_PCI_IF_PCI2PCI	0x0	/* PCI-PCI bridge */
    325 #define	PCI_BRIDGE_PCI_IF_SUBDECODE	0x1	/* Subtractive Decode */
    326 						/* PCI/PCI bridge */
    327 
    328 /*
    329  * programming interface for Bridges class 0x6 (subclass 08) RACEway bridge
    330  */
    331 #define	PCI_BRIDGE_RACE_IF_TRANSPARENT	0x0	/* Transport mode */
    332 #define	PCI_BRIDGE_RACE_IF_ENDPOINT	0x1	/* Endpoint mode */
    333 
    334 /*
    335  * programming interface for Bridges class 0x6 (subclass 09)
    336  * Semi-transparent PCI-to-PCI bridge
    337  */
    338 #define	PCI_BRIDGE_STPCI_IF_PRIMARY	0x40	/* primary PCI side bus */
    339 						/* facing system processor */
    340 #define	PCI_BRIDGE_STPCI_IF_SECONDARY	0x80	/* secondary PCI side bus */
    341 						/* facing system processor */
    342 
    343 /*
    344  * programming interface for Bridges class 0x6 (subclass 0B) AS bridge
    345  */
    346 #define	PCI_BRIDGE_AS_CUSTOM_INTFC	0x0	/* Custom interface */
    347 #define	PCI_BRIDGE_AS_PORTAL_INTFC	0x1	/* ASI-SIG Portal Interface */
    348 
    349 /*
    350  * PCI Sub-class codes - base class 0x7 (communication devices)
    351  */
    352 #define	PCI_COMM_GENERIC_XT	0x0	/* XT Compatible Serial Controller */
    353 #define	PCI_COMM_PARALLEL	0x1	/* Parallel Port Controller */
    354 #define	PCI_COMM_MSC		0x2	/* Multiport Serial Controller */
    355 #define	PCI_COMM_MODEM		0x3	/* Modem Controller */
    356 #define	PCI_COMM_GPIB		0x4	/* GPIB Controller */
    357 #define	PCI_COMM_SMARTCARD	0x5	/* Smart Card Controller */
    358 #define	PCI_COMM_OTHER		0x80	/* Other Communications Controller */
    359 
    360 /*
    361  * Programming interfaces for class 0x7 / subclass 0x0 (Serial)
    362  */
    363 #define	PCI_COMM_SERIAL_IF_GENERIC	0x0	/* Generic XT-compat serial */
    364 #define	PCI_COMM_SERIAL_IF_16450	0x1	/* 16450-compat serial ctrlr */
    365 #define	PCI_COMM_SERIAL_IF_16550	0x2	/* 16550-compat serial ctrlr */
    366 #define	PCI_COMM_SERIAL_IF_16650	0x3	/* 16650-compat serial ctrlr */
    367 #define	PCI_COMM_SERIAL_IF_16750	0x4	/* 16750-compat serial ctrlr */
    368 #define	PCI_COMM_SERIAL_IF_16850	0x5	/* 16850-compat serial ctrlr */
    369 #define	PCI_COMM_SERIAL_IF_16950	0x6	/* 16950-compat serial ctrlr */
    370 
    371 /*
    372  * Programming interfaces for class 0x7 / subclass 0x1 (Parallel)
    373  */
    374 #define	PCI_COMM_PARALLEL_IF_GENERIC	0x0	/* Generic Parallel port */
    375 #define	PCI_COMM_PARALLEL_IF_BIDIRECT	0x1	/* Bi-directional Parallel */
    376 #define	PCI_COMM_PARALLEL_IF_ECP	0x2	/* ECP 1.X Parallel port */
    377 #define	PCI_COMM_PARALLEL_IF_1284	0x3	/* IEEE 1284 Parallel port */
    378 #define	PCI_COMM_PARALLEL_IF_1284_TARG	0xFE	/* IEEE 1284 target device */
    379 
    380 /*
    381  * Programming interfaces for class 0x7 / subclass 0x3 (Modem)
    382  */
    383 #define	PCI_COMM_MODEM_IF_GENERIC	0x0	/* Generic Modem */
    384 #define	PCI_COMM_MODEM_IF_HAYES_16450	0x1	/* Hayes 16450-compat Modem */
    385 #define	PCI_COMM_MODEM_IF_HAYES_16550	0x2	/* Hayes 16550-compat Modem */
    386 #define	PCI_COMM_MODEM_IF_HAYES_16650	0x3	/* Hayes 16650-compat Modem */
    387 #define	PCI_COMM_MODEM_IF_HAYES_16750	0x4	/* Hayes 16750-compat Modem */
    388 
    389 /*
    390  * PCI Sub-class codes - base class 0x8
    391  */
    392 #define	PCI_PERIPH_PIC		0x0	/* Generic PIC */
    393 #define	PCI_PERIPH_DMA		0x1	/* Generic DMA Controller */
    394 #define	PCI_PERIPH_TIMER	0x2	/* Generic System Timer Controller */
    395 #define	PCI_PERIPH_RTC		0x3	/* Generic RTC Controller */
    396 #define	PCI_PERIPH_HPC		0x4	/* Generic PCI Hot-Plug Controller */
    397 #define	PCI_PERIPH_SD_HC	0x5	/* SD Host Controller */
    398 #define	PCI_PERIPH_IOMMU	0x6	/* IOMMU */
    399 #define	PCI_PERIPH_OTHER	0x80	/* Other System Peripheral */
    400 
    401 /*
    402  * Programming interfaces for class 0x8 / subclass 0x0 (interrupt controller)
    403  */
    404 #define	PCI_PERIPH_PIC_IF_GENERIC	0x0	/* Generic 8259 APIC */
    405 #define	PCI_PERIPH_PIC_IF_ISA		0x1	/* ISA PIC */
    406 #define	PCI_PERIPH_PIC_IF_EISA		0x2	/* EISA PIC */
    407 #define	PCI_PERIPH_PIC_IF_IO_APIC	0x10	/* I/O APIC interrupt ctrlr */
    408 #define	PCI_PERIPH_PIC_IF_IOX_APIC	0x20	/* I/O(x) APIC intr ctrlr */
    409 
    410 /*
    411  * Programming interfaces for class 0x8 / subclass 0x1 (DMA controller)
    412  */
    413 #define	PCI_PERIPH_DMA_IF_GENERIC	0x0	/* Generic 8237 DMA ctrlr */
    414 #define	PCI_PERIPH_DMA_IF_ISA		0x1	/* ISA DMA ctrlr */
    415 #define	PCI_PERIPH_DMA_IF_EISA		0x2	/* EISA DMA ctrlr */
    416 
    417 /*
    418  * Programming interfaces for class 0x8 / subclass 0x2 (timer)
    419  */
    420 #define	PCI_PERIPH_TIMER_IF_GENERIC	0x0	/* Generic 8254 system timer */
    421 #define	PCI_PERIPH_TIMER_IF_ISA		0x1	/* ISA system timers */
    422 #define	PCI_PERIPH_TIMER_IF_EISA	0x2	/* EISA system timers (two) */
    423 #define	PCI_PERIPH_TIMER_IF_HPET	0x3	/* High Perf Event timer */
    424 
    425 /*
    426  * Programming interfaces for class 0x8 / subclass 0x3 (realtime clock)
    427  */
    428 #define	PCI_PERIPH_RTC_IF_GENERIC	0x0	/* Generic RTC controller */
    429 #define	PCI_PERIPH_RTC_IF_ISA		0x1	/* ISA RTC controller */
    430 
    431 /*
    432  * PCI Sub-class codes - base class 0x9
    433  */
    434 #define	PCI_INPUT_KEYBOARD	0x0	/* Keyboard Controller */
    435 #define	PCI_INPUT_DIGITIZ	0x1	/* Digitizer (Pen) */
    436 #define	PCI_INPUT_MOUSE		0x2	/* Mouse Controller */
    437 #define	PCI_INPUT_SCANNER	0x3	/* Scanner Controller */
    438 #define	PCI_INPUT_GAMEPORT	0x4	/* Gameport Controller */
    439 #define	PCI_INPUT_OTHER		0x80	/* Other Input Controller */
    440 
    441 /*
    442  * Programming interfaces for class 0x9 / subclass 0x4 (Gameport controller)
    443  */
    444 #define	PCI_INPUT_GAMEPORT_IF_GENERIC	0x00	/* Generic controller */
    445 #define	PCI_INPUT_GAMEPORT_IF_LEGACY	0x10	/* Legacy controller */
    446 
    447 /*
    448  * PCI Sub-class codes - base class 0xA
    449  */
    450 #define	PCI_DOCK_GENERIC	0x00	/* Generic Docking Station */
    451 #define	PCI_DOCK_OTHER		0x80	/* Other Type of Docking Station */
    452 
    453 /*
    454  * PCI Sub-class codes - base class 0xB
    455  */
    456 #define	PCI_PROCESSOR_386	0x0	/* 386 */
    457 #define	PCI_PROCESSOR_486	0x1	/* 486 */
    458 #define	PCI_PROCESSOR_PENT	0x2	/* Pentium */
    459 #define	PCI_PROCESSOR_ALPHA	0x10	/* Alpha */
    460 #define	PCI_PROCESSOR_POWERPC	0x20	/* PowerPC */
    461 #define	PCI_PROCESSOR_MIPS	0x30	/* MIPS */
    462 #define	PCI_PROCESSOR_COPROC	0x40	/* Co-processor */
    463 #define	PCI_PROCESSOR_OTHER	0x80	/* Other processors */
    464 
    465 /*
    466  * PCI Sub-class codes - base class 0xC (Serial Controllers)
    467  */
    468 #define	PCI_SERIAL_FIRE		0x0	/* FireWire (IEEE 1394) */
    469 #define	PCI_SERIAL_ACCESS	0x1	/* ACCESS.bus */
    470 #define	PCI_SERIAL_SSA		0x2	/* SSA */
    471 #define	PCI_SERIAL_USB		0x3	/* Universal Serial Bus */
    472 #define	PCI_SERIAL_FIBRE	0x4	/* Fibre Channel */
    473 #define	PCI_SERIAL_SMBUS	0x5	/* System Management Bus */
    474 #define	PCI_SERIAL_IB		0x6	/* InfiniBand */
    475 #define	PCI_SERIAL_IPMI		0x7	/* IPMI */
    476 #define	PCI_SERIAL_SERCOS	0x8	/* SERCOS Interface Std (IEC 61491) */
    477 #define	PCI_SERIAL_CANBUS	0x9	/* CANbus */
    478 #define	PCI_SERIAL_OTHER	0x80	/* Other Serial Bus Controllers */
    479 
    480 /*
    481  * Programming interfaces for class 0xC / subclass 0x0 (Firewire)
    482  */
    483 #define	PCI_SERIAL_FIRE_WIRE  		0x00	/* IEEE 1394 (Firewire) */
    484 #define	PCI_SERIAL_FIRE_1394_HCI 	0x10	/* 1394 OpenHCI Host Cntrlr */
    485 
    486 /*
    487  * Programming interfaces for class 0xC / subclass 0x3 (USB controller)
    488  */
    489 #define	PCI_SERIAL_USB_IF_UHCI 		0x00	/* UHCI Compliant */
    490 #define	PCI_SERIAL_USB_IF_OHCI 		0x10	/* OHCI Compliant */
    491 #define	PCI_SERIAL_USB_IF_EHCI 		0x20	/* EHCI Compliant */
    492 #define	PCI_SERIAL_USB_IF_GENERIC 	0x80	/* no specific HCD */
    493 #define	PCI_SERIAL_USB_IF_DEVICE 	0xFE	/* not a HCD */
    494 
    495 /*
    496  * Programming interfaces for class 0xC / subclass 0x7 (IPMI controller)
    497  */
    498 #define	PCI_SERIAL_IPMI_IF_SMIC 	0x0	/* SMIC Interface */
    499 #define	PCI_SERIAL_IPMI_IF_KBD 		0x1	/* Keyboard Ctrl Style Intfc */
    500 #define	PCI_SERIAL_IPMI_IF_BTI		0x2	/* Block Transfer Interface */
    501 
    502 /*
    503  * PCI Sub-class codes - base class 0xD (Wireless controllers)
    504  */
    505 #define	PCI_WIRELESS_IRDA		0x0	/* iRDA Compatible Controller */
    506 #define	PCI_WIRELESS_IR			0x1	/* Consumer IR Controller */
    507 #define	PCI_WIRELESS_RF			0x10	/* RF Controller */
    508 #define	PCI_WIRELESS_BLUETOOTH		0x11	/* Bluetooth Controller */
    509 #define	PCI_WIRELESS_BROADBAND		0x12	/* Broadband Controller */
    510 #define	PCI_WIRELESS_80211A		0x20	/* Ethernet 802.11a 5 GHz */
    511 #define	PCI_WIRELESS_80211B		0x21	/* Ethernet 802.11b 2.4 GHz */
    512 #define	PCI_WIRELESS_OTHER		0x80	/* Other Wireless Controllers */
    513 
    514 /*
    515  * Programming interfaces for class 0xD / subclass 0x1 (Consumer IR controller)
    516  */
    517 #define	PCI_WIRELESS_IR_CONSUMER 	0x00	/* Consumer IR Controller */
    518 #define	PCI_WIRELESS_IR_UWB_RC 		0x10	/* UWB Radio Controller */
    519 
    520 /*
    521  * PCI Sub-class codes - base class 0xE (Intelligent I/O controllers)
    522  */
    523 #define	PCI_INTIO_MSG_FIFO		0x0	/* Message FIFO at off 40h */
    524 #define	PCI_INTIO_I20			0x1	/* I20 Arch Spec 1.0 */
    525 
    526 /*
    527  * PCI Sub-class codes - base class 0xF (Satellite Communication controllers)
    528  */
    529 #define	PCI_SATELLITE_COMM_TV		0x01	/* TV */
    530 #define	PCI_SATELLITE_COMM_AUDIO	0x02	/* Audio */
    531 #define	PCI_SATELLITE_COMM_VOICE	0x03	/* Voice */
    532 #define	PCI_SATELLITE_COMM_DATA		0x04	/* DATA */
    533 #define	PCI_SATELLITE_COMM_OTHER	0x80	/* Other Satelite Comm Cntrlr */
    534 
    535 /*
    536  * PCI Sub-class codes - base class 0x10 (Encryption/Decryption controllers)
    537  */
    538 #define	PCI_CRYPT_NETWORK		0x00	/* Network and Computing */
    539 #define	PCI_CRYPT_ENTERTAINMENT		0x10	/* Entertainment en/decrypt */
    540 #define	PCI_CRYPT_OTHER			0x80	/* Other en/decryption ctrlrs */
    541 
    542 /*
    543  * PCI Sub-class codes - base class 0x11 (Signal Processing controllers)
    544  */
    545 #define	PCI_SIGNAL_DPIO			0x00	/* DPIO modules */
    546 #define	PCI_SIGNAL_PERF_COUNTERS	0x01	/* Performance counters */
    547 #define	PCI_SIGNAL_COMM_SYNC		0x10	/* Comm. synchronization plus */
    548 						/* time and freq test ctrlr */
    549 #define	PCI_SIGNAL_MANAGEMENT		0x20	/* Management card */
    550 #define	PCI_SIGNAL_OTHER		0x80	/* DSP/DAP controller */
    551 
    552 /* PCI header decode */
    553 #define	PCI_HEADER_MULTI	0x80	/* multi-function device */
    554 #define	PCI_HEADER_ZERO		0x00	/* type zero PCI header */
    555 #define	PCI_HEADER_ONE		0x01	/* type one PCI header */
    556 #define	PCI_HEADER_TWO		0x02	/* type two PCI header */
    557 #define	PCI_HEADER_PPB		PCI_HEADER_ONE  /* type one PCI to PCI Bridge */
    558 #define	PCI_HEADER_CARDBUS	PCI_HEADER_TWO	/* type one PCI header */
    559 
    560 #define	PCI_HEADER_TYPE_M	0x7f  /* type mask for header */
    561 
    562 /*
    563  * Base register bit definitions.
    564  */
    565 #define	PCI_BASE_SPACE_M    0x1  /* memory space indicator */
    566 #define	PCI_BASE_SPACE_IO   0x1   /* IO space */
    567 #define	PCI_BASE_SPACE_MEM  0x0   /* memory space */
    568 
    569 #define	PCI_BASE_TYPE_MEM   0x0   /* 32-bit memory address */
    570 #define	PCI_BASE_TYPE_LOW   0x2   /* less than 1Mb address */
    571 #define	PCI_BASE_TYPE_ALL   0x4   /* 64-bit memory address */
    572 #define	PCI_BASE_TYPE_RES   0x6   /* reserved */
    573 
    574 #define	PCI_BASE_TYPE_M		0x00000006  /* type indicator mask */
    575 #define	PCI_BASE_PREF_M		0x00000008  /* prefetch mask */
    576 #define	PCI_BASE_M_ADDR_M	0xfffffff0  /* memory address mask */
    577 #define	PCI_BASE_IO_ADDR_M	0xfffffffe  /* I/O address mask */
    578 
    579 #define	PCI_BASE_ROM_ADDR_M	0xfffff800  /* ROM address mask */
    580 #define	PCI_BASE_ROM_ENABLE	0x00000001  /* ROM decoder enable */
    581 
    582 /*
    583  * Capabilities linked list entry offsets
    584  */
    585 #define	PCI_CAP_ID		0x0	/* capability identifier, 1 byte */
    586 #define	PCI_CAP_NEXT_PTR	0x1	/* next entry pointer, 1 byte */
    587 #define	PCI_CAP_ID_REGS_OFF	0x2	/* cap id register offset */
    588 #define	PCI_CAP_MAX_PTR		0x30	/* maximum number of cap pointers */
    589 #define	PCI_CAP_PTR_OFF		0x40	/* minimum cap pointer offset */
    590 #define	PCI_CAP_PTR_MASK	0xFC	/* mask for capability pointer */
    591 
    592 /*
    593  * Capability identifier values
    594  */
    595 #define	PCI_CAP_ID_PM		0x1	/* power management entry */
    596 #define	PCI_CAP_ID_AGP		0x2	/* AGP supported */
    597 #define	PCI_CAP_ID_VPD		0x3	/* VPD supported */
    598 #define	PCI_CAP_ID_SLOT_ID	0x4	/* Slot Identification supported */
    599 #define	PCI_CAP_ID_MSI		0x5	/* MSI supported */
    600 #define	PCI_CAP_ID_cPCI_HS	0x6	/* CompactPCI Host Swap supported */
    601 #define	PCI_CAP_ID_PCIX		0x7	/* PCI-X supported */
    602 #define	PCI_CAP_ID_HT		0x8	/* HyperTransport supported */
    603 #define	PCI_CAP_ID_VS		0x9	/* Vendor Specific */
    604 #define	PCI_CAP_ID_DEBUG_PORT	0xA	/* Debug Port supported */
    605 #define	PCI_CAP_ID_cPCI_CRC	0xB	/* CompactPCI central resource ctrl */
    606 #define	PCI_CAP_ID_PCI_HOTPLUG	0xC	/* PCI Hot Plug (SHPC) supported */
    607 #define	PCI_CAP_ID_P2P_SUBSYS	0xD	/* PCI bridge Sub-system ID */
    608 #define	PCI_CAP_ID_AGP_8X	0xE	/* AGP 8X supported */
    609 #define	PCI_CAP_ID_SECURE_DEV	0xF	/* Secure Device supported */
    610 #define	PCI_CAP_ID_PCI_E	0x10	/* PCI Express supported */
    611 #define	PCI_CAP_ID_MSI_X	0x11	/* MSI-X supported */
    612 #define	PCI_CAP_ID_SATA		0x12	/* SATA Data/Index Config supported */
    613 #define	PCI_CAP_ID_FLR		0x13	/* Function Level Reset supported */
    614 
    615 /*
    616  * Capability next entry pointer values
    617  */
    618 #define	PCI_CAP_NEXT_PTR_NULL	0x0	/* no more entries in the list */
    619 
    620 /*
    621  * PCI power management (PM) capability entry offsets
    622  */
    623 #define	PCI_PMCAP		0x2	/* PM capabilities, 2 bytes */
    624 #define	PCI_PMCSR		0x4	/* PM control/status reg, 2 bytes */
    625 #define	PCI_PMCSR_BSE		0x6	/* PCI-PCI bridge extensions, 1 byte */
    626 #define	PCI_PMDATA		0x7	/* PM data, 1 byte */
    627 
    628 /*
    629  * PM capabilities values - 2 bytes
    630  */
    631 #define	PCI_PMCAP_VER_1_0	0x1	/* PCI PM spec 1.0 */
    632 #define	PCI_PMCAP_VER_1_1	0x2	/* PCI PM spec 1.1 */
    633 #define	PCI_PMCAP_VER_MASK	0x7	/* version mask */
    634 #define	PCI_PMCAP_PME_CLOCK	0x8	/* needs PCI clock for PME */
    635 #define	PCI_PMCAP_DSI		0x20	/* needs device specific init */
    636 #define	PCI_PMCAP_AUX_CUR_SELF	0x0	/* 0 aux current - self powered */
    637 #define	PCI_PMCAP_AUX_CUR_55mA	0x40	/* 55 mA aux current */
    638 #define	PCI_PMCAP_AUX_CUR_100mA	0x80	/* 100 mA aux current */
    639 #define	PCI_PMCAP_AUX_CUR_160mA	0xc0	/* 160 mA aux current */
    640 #define	PCI_PMCAP_AUX_CUR_220mA	0x100	/* 220 mA aux current */
    641 #define	PCI_PMCAP_AUX_CUR_270mA	0x140	/* 270 mA aux current */
    642 #define	PCI_PMCAP_AUX_CUR_320mA	0x180	/* 320 mA aux current */
    643 #define	PCI_PMCAP_AUX_CUR_375mA	0x1c0	/* 375 mA aux current */
    644 #define	PCI_PMCAP_AUX_CUR_MASK	0x1c0	/* 3.3Vaux aux current needs */
    645 #define	PCI_PMCAP_D1		0x200	/* D1 state supported */
    646 #define	PCI_PMCAP_D2		0x400	/* D2 state supported */
    647 #define	PCI_PMCAP_D0_PME	0x800	/* PME from D0 */
    648 #define	PCI_PMCAP_D1_PME	0x1000	/* PME from D1 */
    649 #define	PCI_PMCAP_D2_PME	0x2000	/* PME from D2 */
    650 #define	PCI_PMCAP_D3HOT_PME	0x4000	/* PME from D3hot */
    651 #define	PCI_PMCAP_D3COLD_PME	0x8000	/* PME from D3cold */
    652 #define	PCI_PMCAP_PME_MASK	0xf800	/* PME support mask */
    653 
    654 /*
    655  * PM control/status values - 2 bytes
    656  */
    657 #define	PCI_PMCSR_D0			0x0	/* power state D0 */
    658 #define	PCI_PMCSR_D1			0x1	/* power state D1 */
    659 #define	PCI_PMCSR_D2			0x2	/* power state D2 */
    660 #define	PCI_PMCSR_D3HOT			0x3	/* power state D3hot */
    661 #define	PCI_PMCSR_STATE_MASK		0x3	/* power state mask */
    662 #define	PCI_PMCSR_PME_EN		0x100	/* enable PME assertion */
    663 #define	PCI_PMCSR_DSEL_D0_PWR_C		0x0	/* D0 power consumed */
    664 #define	PCI_PMCSR_DSEL_D1_PWR_C		0x200	/* D1 power consumed */
    665 #define	PCI_PMCSR_DSEL_D2_PWR_C		0x400	/* D2 power consumed */
    666 #define	PCI_PMCSR_DSEL_D3_PWR_C		0x600	/* D3 power consumed */
    667 #define	PCI_PMCSR_DSEL_D0_PWR_D		0x800	/* D0 power dissipated */
    668 #define	PCI_PMCSR_DSEL_D1_PWR_D		0xa00	/* D1 power dissipated */
    669 #define	PCI_PMCSR_DSEL_D2_PWR_D		0xc00	/* D2 power dissipated */
    670 #define	PCI_PMCSR_DSEL_D3_PWR_D		0xe00	/* D3 power dissipated */
    671 #define	PCI_PMCSR_DSEL_COM_C		0x1000	/* common power consumption */
    672 #define	PCI_PMCSR_DSEL_MASK		0x1e00	/* data select mask */
    673 #define	PCI_PMCSR_DSCL_UNKNOWN		0x0	/* data scale unknown */
    674 #define	PCI_PMCSR_DSCL_1_BY_10		0x2000	/* data scale 0.1x */
    675 #define	PCI_PMCSR_DSCL_1_BY_100		0x4000	/* data scale 0.01x */
    676 #define	PCI_PMCSR_DSCL_1_BY_1000	0x6000	/* data scale 0.001x */
    677 #define	PCI_PMCSR_DSCL_MASK		0x6000	/* data scale mask */
    678 #define	PCI_PMCSR_PME_STAT		0x8000	/* PME status */
    679 
    680 /*
    681  * PM PMCSR PCI to PCI bridge support extension values - 1 byte
    682  */
    683 #define	PCI_PMCSR_BSE_B2_B3	0x40	/* bridge D3hot -> secondary B2 */
    684 #define	PCI_PMCSR_BSE_BPCC_EN	0x80	/* bus power/clock control enabled */
    685 
    686 /*
    687  * PCI-X capability related definitions
    688  */
    689 #define	PCI_PCIX_COMMAND	0x2	/* Command register offset */
    690 #define	PCI_PCIX_STATUS		0x4	/* Status register offset */
    691 #define	PCI_PCIX_ECC_STATUS	0x8	/* ECC Status register offset */
    692 #define	PCI_PCIX_ECC_FST_AD	0xC	/* ECC First address register offset */
    693 #define	PCI_PCIX_ECC_SEC_AD	0x10	/* ECC Second address register offset */
    694 #define	PCI_PCIX_ECC_ATTR	0x14	/* ECC Attribute register offset */
    695 
    696 /*
    697  * PCI-X bridge capability related definitions
    698  */
    699 #define	PCI_PCIX_SEC_STATUS		0x2	/* Secondary Status offset */
    700 #define	PCI_PCIX_SEC_STATUS_SCD		0x4	/* Split Completion Discarded */
    701 #define	PCI_PCIX_SEC_STATUS_USC		0x8	/* Unexpected Split Complete */
    702 #define	PCI_PCIX_SEC_STATUS_SCO		0x10	/* Split Completion Overrun */
    703 #define	PCI_PCIX_SEC_STATUS_SRD		0x20	/* Split Completion Delayed */
    704 #define	PCI_PCIX_SEC_STATUS_ERR_MASK	0x3C
    705 
    706 #define	PCI_PCIX_BDG_STATUS		0x4	/* Bridge Status offset */
    707 #define	PCI_PCIX_BDG_STATUS_USC		0x80000
    708 #define	PCI_PCIX_BDG_STATUS_SCO		0x100000
    709 #define	PCI_PCIX_BDG_STATUS_SRD		0x200000
    710 #define	PCI_PCIX_BDG_STATUS_ERR_MASK	0x380000
    711 
    712 #define	PCI_PCIX_UP_SPL_CTL	0x8	/* Upstream split ctrl reg offset */
    713 #define	PCI_PCIX_DOWN_SPL_CTL	0xC	/* Downstream split ctrl reg offset */
    714 #define	PCI_PCIX_BDG_ECC_STATUS	0x10	/* ECC Status register offset */
    715 #define	PCI_PCIX_BDG_ECC_FST_AD	0x14	/* ECC First address register offset */
    716 #define	PCI_PCIX_BDG_ECC_SEC_AD	0x18	/* ECC Second address register offset */
    717 #define	PCI_PCIX_BDG_ECC_ATTR	0x1C	/* ECC Attribute register offset */
    718 
    719 /*
    720  * PCIX capabilities values
    721  */
    722 #define	PCI_PCIX_VER_MASK	0x3000	/* Bits 12 and 13 */
    723 #define	PCI_PCIX_VER_0		0x0000	/* PCIX cap list item version 0 */
    724 #define	PCI_PCIX_VER_1		0x1000	/* PCIX cap list item version 1 */
    725 #define	PCI_PCIX_VER_2		0x2000	/* PCIX cap list item version 2 */
    726 
    727 #define	PCI_PCIX_SPL_DSCD	0x40000 /* Split Completion Discarded */
    728 #define	PCI_PCIX_UNEX_SPL	0x80000	/* Unexpected Split Completion */
    729 #define	PCI_PCIX_RX_SPL_MSG	0x20000000 /* Recieved Spl Comp Error Message */
    730 
    731 #define	PCI_PCIX_ECC_SEL	0x1	/* Secondary ECC register select */
    732 #define	PCI_PCIX_ECC_EP		0x2	/* Error Present on other side */
    733 #define	PCI_PCIX_ECC_S_CE	0x4	/* Addl Correctable ECC Error */
    734 #define	PCI_PCIX_ECC_S_UE	0x8	/* Addl Uncorrectable ECC Error */
    735 #define	PCI_PCIX_ECC_PHASE	0x70	/* ECC Error Phase */
    736 #define	PCI_PCIX_ECC_CORR	0x80	/* ECC Error Corrected */
    737 #define	PCI_PCIX_ECC_SYN	0xff00	/* ECC Error Syndrome */
    738 #define	PCI_PCIX_ECC_FST_CMD	0xf0000	 /* ECC Error First Command */
    739 #define	PCI_PCIX_ECC_SEC_CMD	0xf00000 /* ECC Error Second Command */
    740 #define	PCI_PCIX_ECC_UP_ATTR	0xf000000 /* ECC Error Upper Attributes */
    741 
    742 /*
    743  * PCIX ECC Phase Values
    744  */
    745 #define	PCI_PCIX_ECC_PHASE_NOERR	0x0
    746 #define	PCI_PCIX_ECC_PHASE_FADDR	0x1
    747 #define	PCI_PCIX_ECC_PHASE_SADDR	0x2
    748 #define	PCI_PCIX_ECC_PHASE_ATTR		0x3
    749 #define	PCI_PCIX_ECC_PHASE_DATA32	0x4
    750 #define	PCI_PCIX_ECC_PHASE_DATA64	0x5
    751 
    752 /*
    753  * PCI-X Command Encoding
    754  */
    755 #define	PCI_PCIX_CMD_INTR		0x0
    756 #define	PCI_PCIX_CMD_SPEC		0x1
    757 #define	PCI_PCIX_CMD_IORD		0x2
    758 #define	PCI_PCIX_CMD_IOWR		0x3
    759 #define	PCI_PCIX_CMD_DEVID		0x5
    760 #define	PCI_PCIX_CMD_MEMRD_DW		0x6
    761 #define	PCI_PCIX_CMD_MEMWR		0x7
    762 #define	PCI_PCIX_CMD_MEMRD_BL		0x8
    763 #define	PCI_PCIX_CMD_MEMWR_BL		0x9
    764 #define	PCI_PCIX_CMD_CFRD		0xA
    765 #define	PCI_PCIX_CMD_CFWR		0xB
    766 #define	PCI_PCIX_CMD_SPL		0xC
    767 #define	PCI_PCIX_CMD_DADR		0xD
    768 #define	PCI_PCIX_CMD_MEMRDBL		0xE
    769 #define	PCI_PCIX_CMD_MEMWRBL		0xF
    770 
    771 #if defined(_BIT_FIELDS_LTOH)
    772 typedef struct pcix_attr {
    773 	uint32_t	lbc	:8,
    774 			rid	:16,
    775 			tag	:5,
    776 			ro	:1,
    777 			ns	:1,
    778 			r	:1;
    779 } pcix_attr_t;
    780 #elif defined(_BIT_FIELDS_HTOL)
    781 typedef struct pcix_attr {
    782 	uint32_t	r	:1,
    783 			ns	:1,
    784 			ro	:1,
    785 			tag	:5,
    786 			rid	:16,
    787 			lbc	:8;
    788 } pcix_attr_t;
    789 #else
    790 #error "bit field not defined"
    791 #endif
    792 
    793 #define	PCI_PCIX_BSS_SPL_DSCD	0x4	/* Secondary split comp discarded */
    794 #define	PCI_PCIX_BSS_UNEX_SPL	0x8	/* Secondary unexpected split comp */
    795 #define	PCI_PCIX_BSS_SPL_OR	0x10	/* Secondary split comp overrun */
    796 #define	PCI_PCIX_BSS_SPL_DLY	0x20	/* Secondary split comp delayed */
    797 
    798 /*
    799  * PCI Hotplug capability entry offsets
    800  *
    801  * SHPC based PCI hotplug controller registers accessed via the DWORD
    802  * select and DATA registers in PCI configuration space relative to the
    803  * PCI HP capibility pointer.
    804  */
    805 #define	PCI_HP_DWORD_SELECT_OFF		0x2
    806 #define	PCI_HP_DWORD_DATA_OFF		0x4
    807 
    808 #define	PCI_HP_BASE_OFFSET_REG		0x00
    809 #define	PCI_HP_SLOTS_AVAIL_I_REG	0x01
    810 #define	PCI_HP_SLOTS_AVAIL_II_REG	0x02
    811 #define	PCI_HP_SLOT_CONFIGURATION_REG	0x03
    812 #define	PCI_HP_PROF_IF_SBCR_REG		0x04
    813 #define	PCI_HP_COMMAND_STATUS_REG	0x05
    814 #define	PCI_HP_IRQ_LOCATOR_REG		0x06
    815 #define	PCI_HP_SERR_LOCATOR_REG		0x07
    816 #define	PCI_HP_CTRL_SERR_INT_REG	0x08
    817 #define	PCI_HP_LOGICAL_SLOT_REGS	0x09
    818 #define	PCI_HP_VENDOR_SPECIFIC		0x28
    819 
    820 /* Definitions used with the PCI_HP_SLOTS_AVAIL_I_REG register */
    821 #define	PCI_HP_AVAIL_33MHZ_CONV_SPEED_SHIFT	0
    822 #define	PCI_HP_AVAIL_66MHZ_PCIX_SPEED_SHIFT	8
    823 #define	PCI_HP_AVAIL_100MHZ_PCIX_SPEED_SHIFT	16
    824 #define	PCI_HP_AVAIL_133MHZ_PCIX_SPEED_SHIFT	24
    825 #define	PCI_HP_AVAIL_SPEED_MASK			0x1F
    826 
    827 /* Definitions used with the PCI_HP_SLOTS_AVAIL_II_REG register */
    828 #define	PCI_HP_AVAIL_66MHZ_CONV_SPEED_SHIFT	0
    829 
    830 /* Register bits used with the PCI_HP_PROF_IF_SBCR_REG register */
    831 #define	PCI_HP_SBCR_33MHZ_CONV_SPEED		0x0
    832 #define	PCI_HP_SBCR_66MHZ_CONV_SPEED		0x1
    833 #define	PCI_HP_SBCR_66MHZ_PCIX_SPEED		0x2
    834 #define	PCI_HP_SBCR_100MHZ_PCIX_SPEED		0x3
    835 #define	PCI_HP_SBCR_133MHZ_PCIX_SPEED		0x4
    836 #define	PCI_HP_SBCR_SPEED_MASK			0x7
    837 
    838 /* Register bits used with the PCI_HP_COMMAND_STATUS_REG register */
    839 #define	PCI_HP_COMM_STS_ERR_INVALID_SPEED	0x80000
    840 #define	PCI_HP_COMM_STS_ERR_INVALID_COMMAND	0x40000
    841 #define	PCI_HP_COMM_STS_ERR_MRL_OPEN		0x20000
    842 #define	PCI_HP_COMM_STS_ERR_MASK		0xe0000
    843 #define	PCI_HP_COMM_STS_CTRL_BUSY		0x10000
    844 #define	PCI_HP_COMM_STS_SET_SPEED		0x40
    845 
    846 /* Register bits used with the PCI_HP_CTRL_SERR_INT_REG register */
    847 #define	PCI_HP_SERR_INT_GLOBAL_IRQ_MASK		0x1
    848 #define	PCI_HP_SERR_INT_GLOBAL_SERR_MASK	0x2
    849 #define	PCI_HP_SERR_INT_CMD_COMPLETE_MASK	0x4
    850 #define	PCI_HP_SERR_INT_ARBITER_SERR_MASK	0x8
    851 #define	PCI_HP_SERR_INT_CMD_COMPLETE_IRQ	0x10000
    852 #define	PCI_HP_SERR_INT_ARBITER_IRQ		0x20000
    853 #define	PCI_HP_SERR_INT_MASK_ALL		0xf
    854 
    855 /* Register bits used with the PCI_HP_LOGICAL_SLOT_REGS register */
    856 #define	PCI_HP_SLOT_POWER_ONLY			0x1
    857 #define	PCI_HP_SLOT_ENABLED			0x2
    858 #define	PCI_HP_SLOT_DISABLED			0x3
    859 #define	PCI_HP_SLOT_STATE_MASK			0x3
    860 #define	PCI_HP_SLOT_MRL_STATE_MASK		0x100
    861 #define	PCI_HP_SLOT_66MHZ_CONV_CAPABLE		0x200
    862 #define	PCI_HP_SLOT_CARD_EMPTY_MASK		0xc00
    863 #define	PCI_HP_SLOT_66MHZ_PCIX_CAPABLE		0x1000
    864 #define	PCI_HP_SLOT_100MHZ_PCIX_CAPABLE		0x2000
    865 #define	PCI_HP_SLOT_133MHZ_PCIX_CAPABLE		0x3000
    866 #define	PCI_HP_SLOT_PCIX_CAPABLE_MASK		0x3000
    867 #define	PCI_HP_SLOT_PCIX_CAPABLE_SHIFT		12
    868 #define	PCI_HP_SLOT_PRESENCE_DETECTED		0x10000
    869 #define	PCI_HP_SLOT_ISO_PWR_DETECTED		0x20000
    870 #define	PCI_HP_SLOT_ATTN_DETECTED		0x40000
    871 #define	PCI_HP_SLOT_MRL_DETECTED		0x80000
    872 #define	PCI_HP_SLOT_POWER_DETECTED		0x100000
    873 #define	PCI_HP_SLOT_PRESENCE_MASK		0x1000000
    874 #define	PCI_HP_SLOT_ISO_PWR_MASK		0x2000000
    875 #define	PCI_HP_SLOT_ATTN_MASK			0x4000000
    876 #define	PCI_HP_SLOT_MRL_MASK			0x8000000
    877 #define	PCI_HP_SLOT_POWER_MASK			0x10000000
    878 #define	PCI_HP_SLOT_MRL_SERR_MASK		0x20000000
    879 #define	PCI_HP_SLOT_POWER_SERR_MASK		0x40000000
    880 #define	PCI_HP_SLOT_MASK_ALL			0x5f000000
    881 
    882 /* Register bits used with the PCI_HP_IRQ_LOCATOR_REG register */
    883 #define	PCI_HP_IRQ_CMD_COMPLETE			0x1
    884 #define	PCI_HP_IRQ_SLOT_N_PENDING		0x2
    885 
    886 /* Register bits used with the PCI_HP_SERR_LOCATOR_REG register */
    887 #define	PCI_HP_IRQ_SERR_ARBITER_PENDING		0x1
    888 #define	PCI_HP_IRQ_SERR_SLOT_N_PENDING		0x2
    889 
    890 /* Register bits used with the PCI_HP_SLOT_CONFIGURATION_REG register */
    891 #define	PCI_HP_SLOT_CONFIG_MRL_SENSOR		0x40000000
    892 #define	PCI_HP_SLOT_CONFIG_ATTN_BUTTON		0x80000000
    893 #define	PCI_HP_SLOT_CONFIG_PHY_SLOT_NUM_SHIFT	16
    894 #define	PCI_HP_SLOT_CONFIG_PHY_SLOT_NUM_MASK	0x3FF
    895 
    896 /*
    897  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 32-bit
    898  */
    899 #define	PCI_MSI_CTRL		0x02	/* MSI control register, 2 bytes */
    900 #define	PCI_MSI_ADDR_OFFSET	0x04	/* MSI 32-bit msg address, 4 bytes */
    901 #define	PCI_MSI_32BIT_DATA	0x08	/* MSI 32-bit msg data, 2 bytes */
    902 #define	PCI_MSI_32BIT_MASK	0x0C	/* MSI 32-bit mask bits, 4 bytes */
    903 #define	PCI_MSI_32BIT_PENDING	0x10	/* MSI 32-bit pending bits, 4 bytes */
    904 
    905 /*
    906  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 64-bit
    907  */
    908 #define	PCI_MSI_64BIT_DATA	0x0C	/* MSI 64-bit msg data, 2 bytes */
    909 #define	PCI_MSI_64BIT_MASKBITS	0x10	/* MSI 64-bit mask bits, 4 bytes */
    910 #define	PCI_MSI_64BIT_PENDING	0x14	/* MSI 64-bit pending bits, 4 bytes */
    911 
    912 /*
    913  * PCI Message Signalled Interrupts (MSI) capability masks and shifts
    914  */
    915 #define	PCI_MSI_ENABLE_BIT	0x0001	/* MSI enable mask in MSI ctrl reg */
    916 #define	PCI_MSI_MMC_MASK	0x000E	/* MMC mask in MSI ctrl reg */
    917 #define	PCI_MSI_MMC_SHIFT	0x1	/* Shift for MMC bits */
    918 #define	PCI_MSI_MME_MASK	0x0070	/* MME mask in MSI ctrl reg */
    919 #define	PCI_MSI_MME_SHIFT	0x4	/* Shift for MME bits */
    920 #define	PCI_MSI_64BIT_MASK	0x0080	/* 64bit support mask in MSI ctrl reg */
    921 #define	PCI_MSI_PVM_MASK	0x0100	/* PVM support mask in MSI ctrl reg */
    922 
    923 /*
    924  * PCI Extended Message Signalled Interrupts (MSI-X) capability entry offsets
    925  */
    926 #define	PCI_MSIX_CTRL		0x02	/* MSI-X control register, 2 bytes */
    927 #define	PCI_MSIX_TBL_OFFSET	0x04	/* MSI-X table offset, 4 bytes */
    928 #define	PCI_MSIX_TBL_BIR_MASK	0x0007	/* MSI-X table BIR mask */
    929 #define	PCI_MSIX_PBA_OFFSET	0x08	/* MSI-X pending bit array, 4 bytes */
    930 #define	PCI_MSIX_PBA_BIR_MASK	0x0007	/* MSI-X PBA BIR mask */
    931 
    932 #define	PCI_MSIX_TBL_SIZE_MASK	0x07FF	/* table size mask in MSI-X ctrl reg */
    933 #define	PCI_MSIX_FUNCTION_MASK	0x4000	/* function mask in MSI-X ctrl reg */
    934 #define	PCI_MSIX_ENABLE_BIT	0x8000	/* MSI-X enable mask in MSI-X ctl reg */
    935 
    936 #define	PCI_MSIX_LOWER_ADDR_OFFSET	0	/* MSI-X lower addr offset */
    937 #define	PCI_MSIX_UPPER_ADDR_OFFSET	4	/* MSI-X upper addr offset */
    938 #define	PCI_MSIX_DATA_OFFSET		8	/* MSI-X data offset */
    939 #define	PCI_MSIX_VECTOR_CTRL_OFFSET	12	/* MSI-X vector ctrl offset */
    940 #define	PCI_MSIX_VECTOR_SIZE		16	/* MSI-X size of each vector */
    941 
    942 /*
    943  * PCI Message Signalled Interrupts: other interesting constants
    944  */
    945 #define	PCI_MSI_MAX_INTRS	32	/* maximum MSI interrupts supported */
    946 #define	PCI_MSIX_MAX_INTRS	2048	/* maximum MSI-X interrupts supported */
    947 
    948 /*
    949  * PCI Slot Id Capabilities, 2 bytes
    950  */
    951 /* Byte 1: Expansion Slot Register (ESR), Byte 2: Chassis Number Register */
    952 #define	PCI_CAPSLOT_ESR_NSLOTS_MASK	0x1F	/* Number of slots mask */
    953 #define	PCI_CAPSLOT_ESR_FIC		0x20	/* First In Chassis bit */
    954 #define	PCI_CAPSLOT_ESR_FIC_MASK	0x01	/* First In Chassis mask */
    955 #define	PCI_CAPSLOT_ESR_FIC_SHIFT	5	/* First In Chassis shift */
    956 #define	PCI_CAPSLOT_FIC(esr_reg)	((esr_reg) & PCI_CAPSLOT_ESR_FIC)
    957 #define	PCI_CAPSLOT_NSLOTS(esr_reg)	((esr_reg) & \
    958 						PCI_CAPSLOT_ESR_NSLOTS_MASK)
    959 
    960 /*
    961  * HyperTransport Capabilities; each HT cap uses the same PCI cap id of
    962  * PCI_CAP_ID_HT.  The header's upper 16-bits (command reg) contains an HT
    963  * cap type reg at bits [15:11].  For Slave/Pri Interface and Host/Sec
    964  * Interface types, only bits [15:13] are used.
    965  */
    966 #define	PCI_HTCAP_TYPE_MASK		0xF800
    967 #define	PCI_HTCAP_TYPE_SLHOST_MASK	0xE000	/* SLPRI and HOSTSEC types */
    968 #define	PCI_HTCAP_TYPE_SHIFT		11
    969 
    970 #define	PCI_HTCAP_SLPRI_ID		0x00
    971 #define	PCI_HTCAP_HOSTSEC_ID		0x04
    972 #define	PCI_HTCAP_SWITCH_ID		0x08
    973 #define	PCI_HTCAP_INTCONF_ID		0x10
    974 #define	PCI_HTCAP_REVID_ID		0x11
    975 #define	PCI_HTCAP_UNITID_CLUMP_ID	0x12
    976 #define	PCI_HTCAP_ECFG_ID		0x13
    977 #define	PCI_HTCAP_ADDRMAP_ID		0x14
    978 #define	PCI_HTCAP_MSIMAP_ID		0x15
    979 #define	PCI_HTCAP_DIRROUTE_ID		0x16
    980 #define	PCI_HTCAP_VCSET_ID		0x17
    981 #define	PCI_HTCAP_RETRYMODE_ID		0x18
    982 #define	PCI_HTCAP_X86ENC_ID		0x19
    983 #define	PCI_HTCAP_GEN3_ID		0x1A
    984 #define	PCI_HTCAP_FUNCEXT_ID		0x1B
    985 #define	PCI_HTCAP_PM_ID			0x1C
    986 
    987 #define	PCI_HTCAP_SLPRI_TYPE		/* 0x0000 */	\
    988 	(PCI_HTCAP_SLPRI_ID	<< PCI_HTCAP_TYPE_SHIFT)
    989 
    990 #define	PCI_HTCAP_HOSTSEC_TYPE		/* 0x2000 */	\
    991 	(PCI_HTCAP_HOSTSEC_ID	<< PCI_HTCAP_TYPE_SHIFT)
    992 
    993 #define	PCI_HTCAP_SWITCH_TYPE		/* 0x4000 */	\
    994 	(PCI_HTCAP_SWITCH_ID	<< PCI_HTCAP_TYPE_SHIFT)
    995 
    996 #define	PCI_HTCAP_INTCONF_TYPE		/* 0x8000 */	\
    997 	(PCI_HTCAP_INTCONF_ID	<< PCI_HTCAP_TYPE_SHIFT)
    998 
    999 #define	PCI_HTCAP_REVID_TYPE		/* 0x8800 */	\
   1000 	(PCI_HTCAP_REVID_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1001 
   1002 #define	PCI_HTCAP_UNITID_CLUMP_TYPE	/* 0x9000 */	\
   1003 	(PCI_HTCAP_UNITID_CLUMP_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1004 
   1005 #define	PCI_HTCAP_ECFG_TYPE		/* 0x9800 */	\
   1006 	(PCI_HTCAP_ECFG_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1007 
   1008 #define	PCI_HTCAP_ADDRMAP_TYPE		/* 0xA000 */	\
   1009 	(PCI_HTCAP_ADDRMAP_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1010 
   1011 #define	PCI_HTCAP_MSIMAP_TYPE		/* 0xA800 */	\
   1012 	(PCI_HTCAP_MSIMAP_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1013 
   1014 #define	PCI_HTCAP_DIRROUTE_TYPE		/* 0xB000 */	\
   1015 	(PCI_HTCAP_DIRROUTE_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1016 
   1017 #define	PCI_HTCAP_VCSET_TYPE		/* 0xB800 */	\
   1018 	(PCI_HTCAP_VCSET_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1019 
   1020 #define	PCI_HTCAP_RETRYMODE_TYPE	/* 0xC000 */	\
   1021 	(PCI_HTCAP_RETRYMODE_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1022 
   1023 #define	PCI_HTCAP_X86ENC_TYPE		/* 0xC800 */	\
   1024 	(PCI_HTCAP_X86ENC_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1025 
   1026 #define	PCI_HTCAP_GEN3_TYPE		/* 0xD000 */	\
   1027 	(PCI_HTCAP_GEN3_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1028 
   1029 #define	PCI_HTCAP_FUNCEXT_TYPE		/* 0xD800 */	\
   1030 	(PCI_HTCAP_FUNCEXT_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1031 
   1032 #define	PCI_HTCAP_PM_TYPE		/* 0xE000 */	\
   1033 	(PCI_HTCAP_PM_ID	<< PCI_HTCAP_TYPE_SHIFT)
   1034 
   1035 #define	PCI_HTCAP_MSIMAP_ENABLE			0x0001
   1036 #define	PCI_HTCAP_MSIMAP_ENABLE_MASK		0x0001
   1037 
   1038 #define	PCI_HTCAP_ADDRMAP_MAPTYPE_MASK		0x600
   1039 #define	PCI_HTCAP_ADDRMAP_MAPTYPE_SHIFT		9
   1040 #define	PCI_HTCAP_ADDRMAP_NUMMAP_MASK		0xF
   1041 #define	PCI_HTCAP_ADDRMAP_40BIT_ID		0x0
   1042 #define	PCI_HTCAP_ADDRMAP_64BIT_ID		0x1
   1043 
   1044 #define	PCI_HTCAP_FUNCEXT_LEN_MASK		0xFF
   1045 
   1046 
   1047 /*
   1048  * other interesting PCI constants
   1049  */
   1050 #define	PCI_BASE_NUM	6	/* num of base regs in configuration header */
   1051 #define	PCI_BAR_SZ_32	4	/* size of 32 bit base addr reg in bytes */
   1052 #define	PCI_BAR_SZ_64	8	/* size of 64 bit base addr reg in bytes */
   1053 #define	PCI_BASE_SIZE	4	/* size of base reg in bytes */
   1054 #define	PCI_CONF_HDR_SIZE	256	/* configuration header size */
   1055 #define	PCI_MAX_BUS_NUM		256		/* Maximum PCI buses allowed */
   1056 #define	PCI_MAX_DEVICES		32		/* Max PCI devices allowed */
   1057 #define	PCI_MAX_FUNCTIONS	8		/* Max PCI functions allowed */
   1058 #define	PCI_MAX_CHILDREN	PCI_MAX_DEVICES * PCI_MAX_FUNCTIONS
   1059 #define	PCI_CLK_33MHZ	(33 * 1000 * 1000)	/* 33MHz clock speed */
   1060 #define	PCI_CLK_66MHZ	(66 * 1000 * 1000)	/* 66MHz clock speed */
   1061 #define	PCI_CLK_133MHZ	(133 * 1000 * 1000)	/* 133MHz clock speed */
   1062 
   1063 /*
   1064  * pci bus range definition
   1065  */
   1066 typedef struct pci_bus_range {
   1067 	uint32_t lo;
   1068 	uint32_t hi;
   1069 } pci_bus_range_t;
   1070 
   1071 /*
   1072  * The following typedef is used to represent an entry in the "ranges"
   1073  * property of a pci hostbridge device node.
   1074  */
   1075 typedef struct pci_ranges {
   1076 	uint32_t child_high;
   1077 	uint32_t child_mid;
   1078 	uint32_t child_low;
   1079 	uint32_t parent_high;
   1080 	uint32_t parent_low;
   1081 	uint32_t size_high;
   1082 	uint32_t size_low;
   1083 } pci_ranges_t;
   1084 
   1085 /*
   1086  * The following typedef is used to represent an entry in the "ranges"
   1087  * property of a pci-pci bridge device node.
   1088  */
   1089 typedef struct {
   1090 	uint32_t child_high;
   1091 	uint32_t child_mid;
   1092 	uint32_t child_low;
   1093 	uint32_t parent_high;
   1094 	uint32_t parent_mid;
   1095 	uint32_t parent_low;
   1096 	uint32_t size_high;
   1097 	uint32_t size_low;
   1098 } ppb_ranges_t;
   1099 
   1100 /*
   1101  * This structure represents one entry of the 1275 "reg" property and
   1102  * "assigned-addresses" property for a PCI node.  For the "reg" property, it
   1103  * may be one of an arbitrary length array for devices with multiple address
   1104  * windows.  For the "assigned-addresses" property, it denotes an assigned
   1105  * physical address on the PCI bus.  It may be one entry of the six entries
   1106  * for devices with multiple base registers.
   1107  *
   1108  * The physical address format is:
   1109  *
   1110  *             Bit#:  33222222 22221111 11111100 00000000
   1111  *                    10987654 32109876 54321098 76543210
   1112  *
   1113  * pci_phys_hi cell:  npt000ss bbbbbbbb dddddfff rrrrrrrr
   1114  * pci_phys_mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
   1115  * pci_phys_low cell: llllllll llllllll llllllll llllllll
   1116  *
   1117  * n          is 0 if the address is relocatable, 1 otherwise
   1118  * p          is 1 if the addressable region is "prefetchable", 0 otherwise
   1119  * t          is 1 if the address is aliased (for non-relocatable I/O), below
   1120  *	      1MB (for mem), or below 64 KB (for relocatable I/O).
   1121  * ss         is the type code, denoting which address space
   1122  * bbbbbbbb   is the 8-bit bus number
   1123  * ddddd      is the 5-bit device number
   1124  * fff        is the 3-bit function number
   1125  * rrrrrrrr   is the 8-bit register number
   1126  *	      should be zero for non-relocatable, when ss is 01, or 10
   1127  * hh...hhh   is the 32-bit unsigned number
   1128  * ll...lll   is the 32-bit unsigned number
   1129  *
   1130  * The physical size format is:
   1131  *
   1132  * pci_size_hi cell:  hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
   1133  * pci_size_low cell: llllllll llllllll llllllll llllllll
   1134  *
   1135  * hh...hhh   is the 32-bit unsigned number
   1136  * ll...lll   is the 32-bit unsigned number
   1137  */
   1138 struct pci_phys_spec {
   1139 	uint_t pci_phys_hi;		/* child's address, hi word */
   1140 	uint_t pci_phys_mid;		/* child's address, middle word */
   1141 	uint_t pci_phys_low;		/* child's address, low word */
   1142 	uint_t pci_size_hi;		/* high word of size field */
   1143 	uint_t pci_size_low;		/* low word of size field */
   1144 };
   1145 
   1146 typedef struct pci_phys_spec pci_regspec_t;
   1147 
   1148 /*
   1149  * PCI masks for pci_phy_hi of PCI 1275 address cell.
   1150  */
   1151 #define	PCI_REG_REG_M		0xff		/* register mask */
   1152 #define	PCI_REG_FUNC_M		0x700		/* function mask */
   1153 #define	PCI_REG_DEV_M		0xf800		/* device mask */
   1154 #define	PCI_REG_BUS_M		0xff0000	/* bus number mask */
   1155 #define	PCI_REG_ADDR_M		0x3000000	/* address space mask */
   1156 #define	PCI_REG_ALIAS_M		0x20000000	/* aliased bit mask */
   1157 #define	PCI_REG_PF_M		0x40000000	/* prefetch bit mask */
   1158 #define	PCI_REG_REL_M		0x80000000	/* relocation bit mask */
   1159 #define	PCI_REG_BDFR_M		0xffffff	/* bus, dev, func, reg mask */
   1160 #define	PCI_REG_EXTREG_M	0xF0000000	/* extended config bits mask */
   1161 
   1162 #define	PCI_REG_FUNC_SHIFT	8		/* Offset of function bits */
   1163 #define	PCI_REG_DEV_SHIFT	11		/* Offset of device bits */
   1164 #define	PCI_REG_BUS_SHIFT	16		/* Offset of bus bits */
   1165 #define	PCI_REG_ADDR_SHIFT	24		/* Offset of address bits */
   1166 #define	PCI_REG_EXTREG_SHIFT	28		/* Offset of ext. config bits */
   1167 
   1168 #define	PCI_REG_REG_G(x)	((x) & PCI_REG_REG_M)
   1169 #define	PCI_REG_FUNC_G(x)	(((x) & PCI_REG_FUNC_M) >> PCI_REG_FUNC_SHIFT)
   1170 #define	PCI_REG_DEV_G(x)	(((x) & PCI_REG_DEV_M) >> PCI_REG_DEV_SHIFT)
   1171 #define	PCI_REG_BUS_G(x)	(((x) & PCI_REG_BUS_M) >> PCI_REG_BUS_SHIFT)
   1172 #define	PCI_REG_ADDR_G(x)	(((x) & PCI_REG_ADDR_M) >> PCI_REG_ADDR_SHIFT)
   1173 #define	PCI_REG_BDFR_G(x)	((x) & PCI_REG_BDFR_M)
   1174 
   1175 /*
   1176  * PCI bit encodings of pci_phys_hi of PCI 1275 address cell.
   1177  */
   1178 #define	PCI_ADDR_MASK		PCI_REG_ADDR_M
   1179 #define	PCI_ADDR_CONFIG		0x00000000	/* configuration address */
   1180 #define	PCI_ADDR_IO		0x01000000	/* I/O address */
   1181 #define	PCI_ADDR_MEM32		0x02000000	/* 32-bit memory address */
   1182 #define	PCI_ADDR_MEM64		0x03000000	/* 64-bit memory address */
   1183 #define	PCI_ALIAS_B		PCI_REG_ALIAS_M	/* aliased bit */
   1184 #define	PCI_PREFETCH_B		PCI_REG_PF_M	/* prefetch bit */
   1185 #define	PCI_RELOCAT_B		PCI_REG_REL_M	/* non-relocatable bit */
   1186 #define	PCI_CONF_ADDR_MASK	0x00ffffff	/* mask for config address */
   1187 
   1188 #define	PCI_HARDDEC_8514 2	/* number of reg entries for 8514 hard-decode */
   1189 #define	PCI_HARDDEC_VGA	3	/* number of reg entries for VGA hard-decode */
   1190 #define	PCI_HARDDEC_IDE	4	/* number of reg entries for IDE hard-decode */
   1191 #define	PCI_HARDDEC_IDE_PRI 2	/* number of reg entries for IDE primary */
   1192 #define	PCI_HARDDEC_IDE_SEC 2	/* number of reg entries for IDE secondary */
   1193 
   1194 /*
   1195  * PCI Expansion ROM Header Format
   1196  */
   1197 #define	PCI_ROM_SIGNATURE		0x0	/* ROM Signature 0xaa55 */
   1198 #define	PCI_ROM_ARCH_UNIQUE_START	0x2	/* Start of processor unique */
   1199 #define	PCI_ROM_PCI_DATA_STRUCT_PTR	0x18	/* Ptr to PCI Data Structure */
   1200 
   1201 /*
   1202  * PCI Data Structure
   1203  *
   1204  * The PCI Data Structure is located within the first 64KB
   1205  * of the ROM image and must be DWORD aligned.
   1206  */
   1207 #define	PCI_PDS_SIGNATURE	0x0	/* Signature, the string 'PCIR' */
   1208 #define	PCI_PDS_VENDOR_ID	0x4	/* Vendor Identification */
   1209 #define	PCI_PDS_DEVICE_ID	0x6	/* Device Identification */
   1210 #define	PCI_PDS_VPD_PTR		0x8	/* Pointer to Vital Product Data */
   1211 #define	PCI_PDS_PDS_LENGTH	0xa	/* PCI Data Structure Length */
   1212 #define	PCI_PDS_PDS_REVISION	0xc	/* PCI Data Structure Revision */
   1213 #define	PCI_PDS_CLASS_CODE	0xd	/* Class Code */
   1214 #define	PCI_PDS_IMAGE_LENGTH	0x10	/* Image Length in 512 byte units */
   1215 #define	PCI_PDS_CODE_REVISON	0x12	/* Revision Level of Code/Data */
   1216 #define	PCI_PDS_CODE_TYPE	0x14	/* Code Type */
   1217 #define	PCI_PDS_INDICATOR	0x15	/* Indicates if image is last in ROM */
   1218 
   1219 #define	PCI_PDS_CODE_TYPE_PCAT		0x0	/* Intel x86/PC-AT Type */
   1220 #define	PCI_PDS_CODE_TYPE_OPEN_FW	0x1	/* Open Firmware */
   1221 
   1222 /*
   1223  * we recognize the non transparent bridge child nodes with the
   1224  * following property. This is specific to an implementation only.
   1225  * This property is specific to AP nodes only.
   1226  */
   1227 #define	PCI_DEV_CONF_MAP_PROP	"pci-parent-indirect"
   1228 
   1229 /*
   1230  * If a bridge device provides its own config space access services,
   1231  * and supports a hotplug/hotswap bus below at any level, then
   1232  * the following property must be defined for the node either by
   1233  * the driver or the OBP.
   1234  */
   1235 #define	PCI_BUS_CONF_MAP_PROP	"pci-conf-indirect"
   1236 
   1237 #ifdef	__cplusplus
   1238 }
   1239 #endif
   1240 
   1241 #endif	/* _SYS_PCI_H */
   1242