xref: /illumos-gate/usr/src/uts/common/sys/pci.h (revision bd97c7ce)
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  * Copyright 2019, Joyent, Inc.
25  * Copyright 2023 Oxide Computer Company
26  */
27 
28 #ifndef	_SYS_PCI_H
29 #define	_SYS_PCI_H
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_ISA_ENABLE	0x4
102 #define	PCI_BCNF_BCNTRL_VGA_ENABLE	0x8
103 #define	PCI_BCNF_BCNTRL_MAST_AB_MODE	0x20
104 #define	PCI_BCNF_BCNTRL_DTO_STAT	0x400
105 
106 #define	PCI_BCNF_BCNTRL_RESET		0x0040
107 #define	PCI_BCNF_BCNTRL_B2B_ENAB	0x0080
108 
109 #define	PCI_BCNF_IO_MASK	0xf0
110 #define	PCI_BCNF_IO_SHIFT	8
111 #define	PCI_BCNF_IO_LIMIT_BITS	0xfff
112 #define	PCI_BCNF_MEM_MASK	0xfff0
113 #define	PCI_BCNF_MEM_SHIFT	16
114 #define	PCI_BCNF_MEM_LIMIT_BITS	0xfffff
115 #define	PCI_BCNF_ADDR_MASK	0x000f
116 
117 #define	PCI_BCNF_IO_32BIT	0x01
118 #define	PCI_BCNF_PF_MEM_64BIT	0x01
119 
120 /*
121  * Header type 2 (Cardbus) offsets
122  */
123 #define	PCI_CBUS_SOCK_REG	0x10	/* Cardbus socket regs, 4 bytes */
124 #define	PCI_CBUS_CAP_PTR	0x14	/* Capability ptr, 1 byte */
125 #define	PCI_CBUS_RESERVED1	0x15	/* Reserved, 1 byte */
126 #define	PCI_CBUS_SEC_STATUS	0x16	/* Secondary status, 2 bytes */
127 #define	PCI_CBUS_PCI_BUS_NO	0x18	/* PCI bus number, 1 byte */
128 #define	PCI_CBUS_CBUS_NO	0x19	/* Cardbus bus number, 1 byte */
129 #define	PCI_CBUS_SUB_BUS_NO	0x1a	/* Subordinate bus number, 1 byte */
130 #define	PCI_CBUS_LATENCY_TIMER	0x1b	/* Cardbus latency timer, 1 byte */
131 #define	PCI_CBUS_MEM_BASE0	0x1c	/* Memory base reg 0, 4 bytes */
132 #define	PCI_CBUS_MEM_LIMIT0	0x20	/* Memory limit reg 0, 4 bytes */
133 #define	PCI_CBUS_MEM_BASE1	0x24	/* Memory base reg 1, 4 bytes */
134 #define	PCI_CBUS_MEM_LIMIT1	0x28	/* Memory limit reg 1, 4 bytes */
135 #define	PCI_CBUS_IO_BASE0	0x2c	/* IO base reg 0, 4 bytes */
136 #define	PCI_CBUS_IO_LIMIT0	0x30	/* IO limit reg 0, 4 bytes */
137 #define	PCI_CBUS_IO_BASE1	0x34	/* IO base reg 1, 4 bytes */
138 #define	PCI_CBUS_IO_LIMIT1	0x38	/* IO limit reg 1, 4 bytes */
139 #define	PCI_CBUS_ILINE		0x3c	/* interrupt line, 1 byte */
140 #define	PCI_CBUS_IPIN		0x3d	/* interrupt pin, 1 byte */
141 #define	PCI_CBUS_BRIDGE_CTRL	0x3e	/* Bridge control, 2 bytes */
142 #define	PCI_CBUS_SUBVENID	0x40	/* Subsystem Vendor ID, 2 bytes */
143 #define	PCI_CBUS_SUBSYSID	0x42	/* Subsystem ID, 2 bytes */
144 #define	PCI_CBUS_LEG_MODE_ADDR	0x44	/* PCCard 16bit IF legacy mode addr */
145 
146 #define	PCI_CBUS_BASE_NUM	0x1	/* number of base registers */
147 
148 /*
149  * PCI command register bits
150  */
151 #define	PCI_COMM_IO		0x1	/* I/O access enable */
152 #define	PCI_COMM_MAE		0x2	/* memory access enable */
153 #define	PCI_COMM_ME		0x4	/* master enable */
154 #define	PCI_COMM_SPEC_CYC	0x8
155 #define	PCI_COMM_MEMWR_INVAL	0x10
156 #define	PCI_COMM_PALETTE_SNOOP	0x20
157 #define	PCI_COMM_PARITY_DETECT	0x40
158 #define	PCI_COMM_WAIT_CYC_ENAB	0x80
159 #define	PCI_COMM_SERR_ENABLE	0x100
160 #define	PCI_COMM_BACK2BACK_ENAB	0x200
161 #define	PCI_COMM_INTX_DISABLE	0x400	/* INTx emulation disable */
162 
163 /*
164  * PCI Interrupt pin value
165  */
166 #define	PCI_INTA	1
167 #define	PCI_INTB	2
168 #define	PCI_INTC	3
169 #define	PCI_INTD	4
170 
171 /*
172  * PCI status register bits
173  */
174 #define	PCI_STAT_READY		0x1	/* Immediate Readiness */
175 #define	PCI_STAT_INTR		0x8	/* Interrupt state */
176 #define	PCI_STAT_CAP		0x10	/* Implements Capabilities */
177 #define	PCI_STAT_66MHZ		0x20	/* 66 MHz capable */
178 #define	PCI_STAT_UDF		0x40	/* UDF supported */
179 #define	PCI_STAT_FBBC		0x80	/* Fast Back-to-Back Capable */
180 #define	PCI_STAT_S_PERROR	0x100	/* Data Parity Reported */
181 #define	PCI_STAT_DEVSELT	0x600	/* Device select timing */
182 #define	PCI_STAT_S_TARG_AB	0x800	/* Signaled Target Abort */
183 #define	PCI_STAT_R_TARG_AB	0x1000	/* Received Target Abort */
184 #define	PCI_STAT_R_MAST_AB	0x2000	/* Received Master Abort */
185 #define	PCI_STAT_S_SYSERR	0x4000	/* Signaled System Error */
186 #define	PCI_STAT_PERROR		0x8000	/* Detected Parity Error */
187 
188 /*
189  * DEVSEL timing values
190  */
191 #define	PCI_STAT_DEVSELT_FAST	0x0000
192 #define	PCI_STAT_DEVSELT_MEDIUM	0x0200
193 #define	PCI_STAT_DEVSELT_SLOW	0x0400
194 
195 /*
196  * BIST values
197  */
198 #define	PCI_BIST_SUPPORTED	0x80
199 #define	PCI_BIST_GO		0x40
200 #define	PCI_BIST_RESULT_M	0x0f
201 #define	PCI_BIST_RESULT_OK	0x00
202 
203 /*
204  * PCI class codes
205  */
206 #define	PCI_CLASS_NONE		0x0	/* class code for pre-2.0 devices */
207 #define	PCI_CLASS_MASS		0x1	/* Mass storage Controller class */
208 #define	PCI_CLASS_NET		0x2	/* Network Controller class */
209 #define	PCI_CLASS_DISPLAY	0x3	/* Display Controller class */
210 #define	PCI_CLASS_MM		0x4	/* Multimedia Controller class */
211 #define	PCI_CLASS_MEM		0x5	/* Memory Controller class */
212 #define	PCI_CLASS_BRIDGE	0x6	/* Bridge Controller class */
213 #define	PCI_CLASS_COMM		0x7	/* Communications Controller class */
214 #define	PCI_CLASS_PERIPH	0x8	/* Peripheral Controller class */
215 #define	PCI_CLASS_INPUT		0x9	/* Input Device class */
216 #define	PCI_CLASS_DOCK		0xa	/* Docking Station class */
217 #define	PCI_CLASS_PROCESSOR	0xb	/* Processor class */
218 #define	PCI_CLASS_SERIALBUS	0xc	/* Serial Bus class */
219 #define	PCI_CLASS_WIRELESS	0xd	/* Wireless Controller class */
220 #define	PCI_CLASS_INTIO		0xe	/* Intelligent IO Controller class */
221 #define	PCI_CLASS_SATELLITE	0xf	/* Satellite Communication class */
222 #define	PCI_CLASS_CRYPT		0x10	/* Encrytion/Decryption class */
223 #define	PCI_CLASS_SIGNAL	0x11	/* Signal Processing class */
224 
225 /*
226  * PCI Sub-class codes - base class 0x0 (no new devices should use this code).
227  */
228 #define	PCI_NONE_NOTVGA		0x0	/* All devices except VGA compatible */
229 #define	PCI_NONE_VGA		0x1	/* VGA compatible */
230 
231 /*
232  * PCI Sub-class codes - base class 0x1 (mass storage controllers)
233  */
234 #define	PCI_MASS_SCSI		0x0	/* SCSI bus Controller */
235 #define	PCI_MASS_IDE		0x1	/* IDE Controller */
236 #define	PCI_MASS_FD		0x2	/* Floppy disk Controller */
237 #define	PCI_MASS_IPI		0x3	/* IPI bus Controller */
238 #define	PCI_MASS_RAID		0x4	/* RAID Controller */
239 #define	PCI_MASS_ATA		0x5	/* ATA Controller */
240 #define	PCI_MASS_SATA		0x6	/* Serial ATA */
241 #define	PCI_MASS_SAS		0x7	/* Serial Attached SCSI (SAS) Cntrlr */
242 #define	PCI_MASS_NVME		0x8	/* Non-Volatile memory controller */
243 #define	PCI_MASS_OTHER		0x80	/* Other Mass Storage Controller */
244 
245 /*
246  * programming interface for IDE (subclass 1)
247  */
248 #define	PCI_IDE_IF_NATIVE_PRI	0x1	/* primary channel is native */
249 #define	PCI_IDE_IF_PROG_PRI	0x2	/* primary can operate in either mode */
250 #define	PCI_IDE_IF_NATIVE_SEC	0x4	/* secondary channel is native */
251 #define	PCI_IDE_IF_PROG_SEC	0x8	/* sec. can operate in either mode */
252 #define	PCI_IDE_IF_MASK		0xf	/* programming interface mask */
253 
254 
255 /*
256  * programming interface for ATA (subclass 5)
257  */
258 #define	PCI_ATA_IF_SINGLE_DMA	0x20	/* ATA controller with single DMA */
259 #define	PCI_ATA_IF_CHAINED_DMA	0x30	/* ATA controller with chained DMA */
260 
261 /*
262  * programming interface for ATA (subclass 6) for SATA
263  */
264 #define	PCI_SATA_VS_INTERFACE	0x0	/* SATA Ctlr Vendor Specific Intfc */
265 #define	PCI_SATA_AHCI_INTERFACE	0x1	/* SATA Ctlr AHCI 1.0 Interface */
266 #define	PCI_SATA_SSB_INTERFACE	0x2	/* Serial Storage Bus Interface */
267 
268 /*
269  * programming interface for ATA (subclass 7) for SAS
270  */
271 #define	PCI_SAS_CONTROLLER	0x0	/* SAS Controller */
272 #define	PCI_SAS_BUS_INTERFACE	0x1	/* Serial Storage Bus Interface */
273 
274 /*
275  * PCI Sub-class codes - base class 0x2 (Network controllers)
276  */
277 #define	PCI_NET_ENET		0x0	/* Ethernet Controller */
278 #define	PCI_NET_TOKEN		0x1	/* Token Ring Controller */
279 #define	PCI_NET_FDDI		0x2	/* FDDI Controller */
280 #define	PCI_NET_ATM		0x3	/* ATM Controller */
281 #define	PCI_NET_ISDN		0x4	/* ISDN Controller */
282 #define	PCI_NET_WFIP		0x5	/* WorldFip Controller */
283 #define	PCI_NET_PICMG		0x6	/* PICMG 2.14 Multi Computing */
284 #define	PCI_NET_OTHER		0x80	/* Other Network Controller */
285 
286 /*
287  * PCI Sub-class codes - base class 03 (display controllers)
288  */
289 #define	PCI_DISPLAY_VGA		0x0	/* VGA device */
290 #define	PCI_DISPLAY_XGA		0x1	/* XGA device */
291 #define	PCI_DISPLAY_3D		0x2	/* 3D controller */
292 #define	PCI_DISPLAY_OTHER	0x80	/* Other Display Device */
293 
294 /*
295  * programming interface for display for display class (subclass 0) VGA ctrlrs
296  */
297 #define	PCI_DISPLAY_IF_VGA	0x0	/* VGA compatible */
298 #define	PCI_DISPLAY_IF_8514	0x1	/* 8514 compatible */
299 
300 /*
301  * PCI Sub-class codes - base class 0x4 (multi-media devices)
302  */
303 #define	PCI_MM_VIDEO		0x0	/* Video device */
304 #define	PCI_MM_AUDIO		0x1	/* Audio device */
305 #define	PCI_MM_TELEPHONY	0x2	/* Computer Telephony device */
306 #define	PCI_MM_MIXED_MODE	0x3	/* Mixed Mode device */
307 #define	PCI_MM_OTHER		0x80	/* Other Multimedia Device */
308 
309 /*
310  * PCI Sub-class codes - base class 0x5 (memory controllers)
311  */
312 #define	PCI_MEM_RAM		0x0	/* RAM device */
313 #define	PCI_MEM_FLASH		0x1	/* FLASH device */
314 #define	PCI_MEM_OTHER		0x80	/* Other Memory Controller */
315 
316 /*
317  * PCI Sub-class codes - base class 0x6 (Bridge devices)
318  */
319 #define	PCI_BRIDGE_HOST		0x0	/* Host/PCI Bridge */
320 #define	PCI_BRIDGE_ISA		0x1	/* PCI/ISA Bridge */
321 #define	PCI_BRIDGE_EISA		0x2	/* PCI/EISA Bridge */
322 #define	PCI_BRIDGE_MC		0x3	/* PCI/MC Bridge */
323 #define	PCI_BRIDGE_PCI		0x4	/* PCI/PCI Bridge */
324 #define	PCI_BRIDGE_PCMCIA	0x5	/* PCI/PCMCIA Bridge */
325 #define	PCI_BRIDGE_NUBUS	0x6	/* PCI/NUBUS Bridge */
326 #define	PCI_BRIDGE_CARDBUS	0x7	/* PCI/CARDBUS Bridge */
327 #define	PCI_BRIDGE_RACE		0x8	/* RACE-way Bridge */
328 #define	PCI_BRIDGE_STPCI	0x9	/* Semi-transparent PCI/PCI Bridge */
329 #define	PCI_BRIDGE_IB		0xA	/* InfiniBand/PCI host Bridge */
330 #define	PCI_BRIDGE_AS		0xB	/* AS/PCI host Bridge */
331 #define	PCI_BRIDGE_OTHER	0x80	/* PCI/Other Bridge Device */
332 
333 /*
334  * programming interface for Bridges class 0x6 (subclass 4) PCI-PCI bridge
335  */
336 #define	PCI_BRIDGE_PCI_IF_PCI2PCI	0x0	/* PCI-PCI bridge */
337 #define	PCI_BRIDGE_PCI_IF_SUBDECODE	0x1	/* Subtractive Decode */
338 						/* PCI/PCI bridge */
339 
340 /*
341  * programming interface for Bridges class 0x6 (subclass 08) RACEway bridge
342  */
343 #define	PCI_BRIDGE_RACE_IF_TRANSPARENT	0x0	/* Transport mode */
344 #define	PCI_BRIDGE_RACE_IF_ENDPOINT	0x1	/* Endpoint mode */
345 
346 /*
347  * programming interface for Bridges class 0x6 (subclass 09)
348  * Semi-transparent PCI-to-PCI bridge
349  */
350 #define	PCI_BRIDGE_STPCI_IF_PRIMARY	0x40	/* primary PCI side bus */
351 						/* facing system processor */
352 #define	PCI_BRIDGE_STPCI_IF_SECONDARY	0x80	/* secondary PCI side bus */
353 						/* facing system processor */
354 
355 /*
356  * programming interface for Bridges class 0x6 (subclass 0B) AS bridge
357  */
358 #define	PCI_BRIDGE_AS_CUSTOM_INTFC	0x0	/* Custom interface */
359 #define	PCI_BRIDGE_AS_PORTAL_INTFC	0x1	/* ASI-SIG Portal Interface */
360 
361 /*
362  * PCI Sub-class codes - base class 0x7 (communication devices)
363  */
364 #define	PCI_COMM_GENERIC_XT	0x0	/* XT Compatible Serial Controller */
365 #define	PCI_COMM_PARALLEL	0x1	/* Parallel Port Controller */
366 #define	PCI_COMM_MSC		0x2	/* Multiport Serial Controller */
367 #define	PCI_COMM_MODEM		0x3	/* Modem Controller */
368 #define	PCI_COMM_GPIB		0x4	/* GPIB Controller */
369 #define	PCI_COMM_SMARTCARD	0x5	/* Smart Card Controller */
370 #define	PCI_COMM_OTHER		0x80	/* Other Communications Controller */
371 
372 /*
373  * Programming interfaces for class 0x7 / subclass 0x0 (Serial)
374  */
375 #define	PCI_COMM_SERIAL_IF_GENERIC	0x0	/* Generic XT-compat serial */
376 #define	PCI_COMM_SERIAL_IF_16450	0x1	/* 16450-compat serial ctrlr */
377 #define	PCI_COMM_SERIAL_IF_16550	0x2	/* 16550-compat serial ctrlr */
378 #define	PCI_COMM_SERIAL_IF_16650	0x3	/* 16650-compat serial ctrlr */
379 #define	PCI_COMM_SERIAL_IF_16750	0x4	/* 16750-compat serial ctrlr */
380 #define	PCI_COMM_SERIAL_IF_16850	0x5	/* 16850-compat serial ctrlr */
381 #define	PCI_COMM_SERIAL_IF_16950	0x6	/* 16950-compat serial ctrlr */
382 
383 /*
384  * Programming interfaces for class 0x7 / subclass 0x1 (Parallel)
385  */
386 #define	PCI_COMM_PARALLEL_IF_GENERIC	0x0	/* Generic Parallel port */
387 #define	PCI_COMM_PARALLEL_IF_BIDIRECT	0x1	/* Bi-directional Parallel */
388 #define	PCI_COMM_PARALLEL_IF_ECP	0x2	/* ECP 1.X Parallel port */
389 #define	PCI_COMM_PARALLEL_IF_1284	0x3	/* IEEE 1284 Parallel port */
390 #define	PCI_COMM_PARALLEL_IF_1284_TARG	0xFE	/* IEEE 1284 target device */
391 
392 /*
393  * Programming interfaces for class 0x7 / subclass 0x3 (Modem)
394  */
395 #define	PCI_COMM_MODEM_IF_GENERIC	0x0	/* Generic Modem */
396 #define	PCI_COMM_MODEM_IF_HAYES_16450	0x1	/* Hayes 16450-compat Modem */
397 #define	PCI_COMM_MODEM_IF_HAYES_16550	0x2	/* Hayes 16550-compat Modem */
398 #define	PCI_COMM_MODEM_IF_HAYES_16650	0x3	/* Hayes 16650-compat Modem */
399 #define	PCI_COMM_MODEM_IF_HAYES_16750	0x4	/* Hayes 16750-compat Modem */
400 
401 /*
402  * PCI Sub-class codes - base class 0x8
403  */
404 #define	PCI_PERIPH_PIC		0x0	/* Generic PIC */
405 #define	PCI_PERIPH_DMA		0x1	/* Generic DMA Controller */
406 #define	PCI_PERIPH_TIMER	0x2	/* Generic System Timer Controller */
407 #define	PCI_PERIPH_RTC		0x3	/* Generic RTC Controller */
408 #define	PCI_PERIPH_HPC		0x4	/* Generic PCI Hot-Plug Controller */
409 #define	PCI_PERIPH_SD_HC	0x5	/* SD Host Controller */
410 #define	PCI_PERIPH_IOMMU	0x6	/* IOMMU */
411 #define	PCI_PERIPH_OTHER	0x80	/* Other System Peripheral */
412 
413 /*
414  * Programming interfaces for class 0x8 / subclass 0x0 (interrupt controller)
415  */
416 #define	PCI_PERIPH_PIC_IF_GENERIC	0x0	/* Generic 8259 APIC */
417 #define	PCI_PERIPH_PIC_IF_ISA		0x1	/* ISA PIC */
418 #define	PCI_PERIPH_PIC_IF_EISA		0x2	/* EISA PIC */
419 #define	PCI_PERIPH_PIC_IF_IO_APIC	0x10	/* I/O APIC interrupt ctrlr */
420 #define	PCI_PERIPH_PIC_IF_IOX_APIC	0x20	/* I/O(x) APIC intr ctrlr */
421 
422 /*
423  * Programming interfaces for class 0x8 / subclass 0x1 (DMA controller)
424  */
425 #define	PCI_PERIPH_DMA_IF_GENERIC	0x0	/* Generic 8237 DMA ctrlr */
426 #define	PCI_PERIPH_DMA_IF_ISA		0x1	/* ISA DMA ctrlr */
427 #define	PCI_PERIPH_DMA_IF_EISA		0x2	/* EISA DMA ctrlr */
428 
429 /*
430  * Programming interfaces for class 0x8 / subclass 0x2 (timer)
431  */
432 #define	PCI_PERIPH_TIMER_IF_GENERIC	0x0	/* Generic 8254 system timer */
433 #define	PCI_PERIPH_TIMER_IF_ISA		0x1	/* ISA system timers */
434 #define	PCI_PERIPH_TIMER_IF_EISA	0x2	/* EISA system timers (two) */
435 #define	PCI_PERIPH_TIMER_IF_HPET	0x3	/* High Perf Event timer */
436 
437 /*
438  * Programming interfaces for class 0x8 / subclass 0x3 (realtime clock)
439  */
440 #define	PCI_PERIPH_RTC_IF_GENERIC	0x0	/* Generic RTC controller */
441 #define	PCI_PERIPH_RTC_IF_ISA		0x1	/* ISA RTC controller */
442 
443 /*
444  * PCI Sub-class codes - base class 0x9
445  */
446 #define	PCI_INPUT_KEYBOARD	0x0	/* Keyboard Controller */
447 #define	PCI_INPUT_DIGITIZ	0x1	/* Digitizer (Pen) */
448 #define	PCI_INPUT_MOUSE		0x2	/* Mouse Controller */
449 #define	PCI_INPUT_SCANNER	0x3	/* Scanner Controller */
450 #define	PCI_INPUT_GAMEPORT	0x4	/* Gameport Controller */
451 #define	PCI_INPUT_OTHER		0x80	/* Other Input Controller */
452 
453 /*
454  * Programming interfaces for class 0x9 / subclass 0x4 (Gameport controller)
455  */
456 #define	PCI_INPUT_GAMEPORT_IF_GENERIC	0x00	/* Generic controller */
457 #define	PCI_INPUT_GAMEPORT_IF_LEGACY	0x10	/* Legacy controller */
458 
459 /*
460  * PCI Sub-class codes - base class 0xA
461  */
462 #define	PCI_DOCK_GENERIC	0x00	/* Generic Docking Station */
463 #define	PCI_DOCK_OTHER		0x80	/* Other Type of Docking Station */
464 
465 /*
466  * PCI Sub-class codes - base class 0xB
467  */
468 #define	PCI_PROCESSOR_386	0x0	/* 386 */
469 #define	PCI_PROCESSOR_486	0x1	/* 486 */
470 #define	PCI_PROCESSOR_PENT	0x2	/* Pentium */
471 #define	PCI_PROCESSOR_ALPHA	0x10	/* Alpha */
472 #define	PCI_PROCESSOR_POWERPC	0x20	/* PowerPC */
473 #define	PCI_PROCESSOR_MIPS	0x30	/* MIPS */
474 #define	PCI_PROCESSOR_COPROC	0x40	/* Co-processor */
475 #define	PCI_PROCESSOR_OTHER	0x80	/* Other processors */
476 
477 /*
478  * PCI Sub-class codes - base class 0xC (Serial Controllers)
479  */
480 #define	PCI_SERIAL_FIRE		0x0	/* FireWire (IEEE 1394) */
481 #define	PCI_SERIAL_ACCESS	0x1	/* ACCESS.bus */
482 #define	PCI_SERIAL_SSA		0x2	/* SSA */
483 #define	PCI_SERIAL_USB		0x3	/* Universal Serial Bus */
484 #define	PCI_SERIAL_FIBRE	0x4	/* Fibre Channel */
485 #define	PCI_SERIAL_SMBUS	0x5	/* System Management Bus */
486 #define	PCI_SERIAL_IB		0x6	/* InfiniBand */
487 #define	PCI_SERIAL_IPMI		0x7	/* IPMI */
488 #define	PCI_SERIAL_SERCOS	0x8	/* SERCOS Interface Std (IEC 61491) */
489 #define	PCI_SERIAL_CANBUS	0x9	/* CANbus */
490 #define	PCI_SERIAL_OTHER	0x80	/* Other Serial Bus Controllers */
491 
492 /*
493  * Programming interfaces for class 0xC / subclass 0x0 (Firewire)
494  */
495 #define	PCI_SERIAL_FIRE_WIRE		0x00	/* IEEE 1394 (Firewire) */
496 #define	PCI_SERIAL_FIRE_1394_HCI	0x10	/* 1394 OpenHCI Host Cntrlr */
497 
498 /*
499  * Programming interfaces for class 0xC / subclass 0x3 (USB controller)
500  */
501 #define	PCI_SERIAL_USB_IF_UHCI		0x00	/* UHCI Compliant */
502 #define	PCI_SERIAL_USB_IF_OHCI		0x10	/* OHCI Compliant */
503 #define	PCI_SERIAL_USB_IF_EHCI		0x20	/* EHCI Compliant */
504 #define	PCI_SERIAL_USB_IF_GENERIC	0x80	/* no specific HCD */
505 #define	PCI_SERIAL_USB_IF_DEVICE	0xFE	/* not a HCD */
506 
507 /*
508  * Programming interfaces for class 0xC / subclass 0x7 (IPMI controller)
509  */
510 #define	PCI_SERIAL_IPMI_IF_SMIC		0x0	/* SMIC Interface */
511 #define	PCI_SERIAL_IPMI_IF_KBD		0x1	/* Keyboard Ctrl Style Intfc */
512 #define	PCI_SERIAL_IPMI_IF_BTI		0x2	/* Block Transfer Interface */
513 
514 /*
515  * PCI Sub-class codes - base class 0xD (Wireless controllers)
516  */
517 #define	PCI_WIRELESS_IRDA		0x0	/* iRDA Compatible Controller */
518 #define	PCI_WIRELESS_IR			0x1	/* Consumer IR Controller */
519 #define	PCI_WIRELESS_RF			0x10	/* RF Controller */
520 #define	PCI_WIRELESS_BLUETOOTH		0x11	/* Bluetooth Controller */
521 #define	PCI_WIRELESS_BROADBAND		0x12	/* Broadband Controller */
522 #define	PCI_WIRELESS_80211A		0x20	/* Ethernet 802.11a 5 GHz */
523 #define	PCI_WIRELESS_80211B		0x21	/* Ethernet 802.11b 2.4 GHz */
524 #define	PCI_WIRELESS_OTHER		0x80	/* Other Wireless Controllers */
525 
526 /*
527  * Programming interfaces for class 0xD / subclass 0x1 (Consumer IR controller)
528  */
529 #define	PCI_WIRELESS_IR_CONSUMER	0x00	/* Consumer IR Controller */
530 #define	PCI_WIRELESS_IR_UWB_RC		0x10	/* UWB Radio Controller */
531 
532 /*
533  * PCI Sub-class codes - base class 0xE (Intelligent I/O controllers)
534  */
535 #define	PCI_INTIO_MSG_FIFO		0x0	/* Message FIFO at off 40h */
536 #define	PCI_INTIO_I20			0x1	/* I20 Arch Spec 1.0 */
537 
538 /*
539  * PCI Sub-class codes - base class 0xF (Satellite Communication controllers)
540  */
541 #define	PCI_SATELLITE_COMM_TV		0x01	/* TV */
542 #define	PCI_SATELLITE_COMM_AUDIO	0x02	/* Audio */
543 #define	PCI_SATELLITE_COMM_VOICE	0x03	/* Voice */
544 #define	PCI_SATELLITE_COMM_DATA		0x04	/* DATA */
545 #define	PCI_SATELLITE_COMM_OTHER	0x80	/* Other Satelite Comm Cntrlr */
546 
547 /*
548  * PCI Sub-class codes - base class 0x10 (Encryption/Decryption controllers)
549  */
550 #define	PCI_CRYPT_NETWORK		0x00	/* Network and Computing */
551 #define	PCI_CRYPT_ENTERTAINMENT		0x10	/* Entertainment en/decrypt */
552 #define	PCI_CRYPT_OTHER			0x80	/* Other en/decryption ctrlrs */
553 
554 /*
555  * PCI Sub-class codes - base class 0x11 (Signal Processing controllers)
556  */
557 #define	PCI_SIGNAL_DPIO			0x00	/* DPIO modules */
558 #define	PCI_SIGNAL_PERF_COUNTERS	0x01	/* Performance counters */
559 #define	PCI_SIGNAL_COMM_SYNC		0x10	/* Comm. synchronization plus */
560 						/* time and freq test ctrlr */
561 #define	PCI_SIGNAL_MANAGEMENT		0x20	/* Management card */
562 #define	PCI_SIGNAL_OTHER		0x80	/* DSP/DAP controller */
563 
564 /* PCI header decode */
565 #define	PCI_HEADER_MULTI	0x80	/* multi-function device */
566 #define	PCI_HEADER_ZERO		0x00	/* type zero PCI header */
567 #define	PCI_HEADER_ONE		0x01	/* type one PCI header */
568 #define	PCI_HEADER_TWO		0x02	/* type two PCI header */
569 #define	PCI_HEADER_PPB		PCI_HEADER_ONE  /* type one PCI to PCI Bridge */
570 #define	PCI_HEADER_CARDBUS	PCI_HEADER_TWO	/* type one PCI header */
571 
572 #define	PCI_HEADER_TYPE_M	0x7f  /* type mask for header */
573 
574 /*
575  * Base register bit definitions.
576  */
577 #define	PCI_BASE_SPACE_M    0x1  /* memory space indicator */
578 #define	PCI_BASE_SPACE_IO   0x1   /* IO space */
579 #define	PCI_BASE_SPACE_MEM  0x0   /* memory space */
580 
581 #define	PCI_BASE_TYPE_MEM   0x0   /* 32-bit memory address */
582 #define	PCI_BASE_TYPE_LOW   0x2   /* less than 1Mb address */
583 #define	PCI_BASE_TYPE_ALL   0x4   /* 64-bit memory address */
584 #define	PCI_BASE_TYPE_RES   0x6   /* reserved */
585 
586 #define	PCI_BASE_TYPE_M		0x00000006  /* type indicator mask */
587 #define	PCI_BASE_PREF_M		0x00000008  /* prefetch mask */
588 #define	PCI_BASE_M_ADDR_M	0xfffffff0  /* memory address mask */
589 #define	PCI_BASE_M_ADDR64_M	0xfffffffffffffff0ULL /* 64bit mem addr mask */
590 #define	PCI_BASE_IO_ADDR_M	0xfffffffe  /* I/O address mask */
591 
592 #define	PCI_BASE_ROM_ADDR_M	0xfffff800  /* ROM address mask */
593 #define	PCI_BASE_ROM_ENABLE	0x00000001  /* ROM decoder enable */
594 
595 /*
596  * Capabilities linked list entry offsets
597  */
598 #define	PCI_CAP_ID		0x0	/* capability identifier, 1 byte */
599 #define	PCI_CAP_NEXT_PTR	0x1	/* next entry pointer, 1 byte */
600 #define	PCI_CAP_ID_REGS_OFF	0x2	/* cap id register offset */
601 #define	PCI_CAP_MAX_PTR		0x30	/* maximum number of cap pointers */
602 #define	PCI_CAP_PTR_OFF		0x40	/* minimum cap pointer offset */
603 #define	PCI_CAP_PTR_MASK	0xFC	/* mask for capability pointer */
604 
605 /*
606  * Capability identifier values
607  */
608 #define	PCI_CAP_ID_PM		0x1	/* power management entry */
609 #define	PCI_CAP_ID_AGP		0x2	/* AGP supported */
610 #define	PCI_CAP_ID_VPD		0x3	/* VPD supported */
611 #define	PCI_CAP_ID_SLOT_ID	0x4	/* Slot Identification supported */
612 #define	PCI_CAP_ID_MSI		0x5	/* MSI supported */
613 #define	PCI_CAP_ID_cPCI_HS	0x6	/* CompactPCI Host Swap supported */
614 #define	PCI_CAP_ID_PCIX		0x7	/* PCI-X supported */
615 #define	PCI_CAP_ID_HT		0x8	/* HyperTransport supported */
616 #define	PCI_CAP_ID_VS		0x9	/* Vendor Specific */
617 #define	PCI_CAP_ID_DEBUG_PORT	0xA	/* Debug Port supported */
618 #define	PCI_CAP_ID_cPCI_CRC	0xB	/* CompactPCI central resource ctrl */
619 #define	PCI_CAP_ID_PCI_HOTPLUG	0xC	/* PCI Hot Plug (SHPC) supported */
620 #define	PCI_CAP_ID_P2P_SUBSYS	0xD	/* PCI bridge Sub-system ID */
621 #define	PCI_CAP_ID_AGP_8X	0xE	/* AGP 8X supported */
622 #define	PCI_CAP_ID_SECURE_DEV	0xF	/* Secure Device supported */
623 #define	PCI_CAP_ID_PCI_E	0x10	/* PCI Express supported */
624 #define	PCI_CAP_ID_MSI_X	0x11	/* MSI-X supported */
625 #define	PCI_CAP_ID_SATA		0x12	/* SATA Data/Index Config supported */
626 #define	PCI_CAP_ID_FLR		0x13	/* Function Level Reset supported */
627 #define	PCI_CAP_ID_EA		0x14	/* Enhanced Allocation */
628 #define	PCI_CAP_ID_FPB		0x15	/* Flattening Portal Bridge */
629 
630 /*
631  * Capability next entry pointer values
632  */
633 #define	PCI_CAP_NEXT_PTR_NULL	0x0	/* no more entries in the list */
634 
635 /*
636  * PCI power management (PM) capability entry offsets
637  */
638 #define	PCI_PMCAP		0x2	/* PM capabilities, 2 bytes */
639 #define	PCI_PMCSR		0x4	/* PM control/status reg, 2 bytes */
640 #define	PCI_PMCSR_BSE		0x6	/* PCI-PCI bridge extensions, 1 byte */
641 #define	PCI_PMDATA		0x7	/* PM data, 1 byte */
642 
643 /*
644  * PM capabilities values - 2 bytes
645  */
646 #define	PCI_PMCAP_VER_1_0	0x1	/* PCI PM spec 1.0 */
647 #define	PCI_PMCAP_VER_1_1	0x2	/* PCI PM spec 1.1 */
648 #define	PCI_PMCAP_VER_MASK	0x7	/* version mask */
649 #define	PCI_PMCAP_PME_CLOCK	0x8	/* needs PCI clock for PME */
650 #define	PCI_PMCAP_DSI		0x20	/* needs device specific init */
651 #define	PCI_PMCAP_AUX_CUR_SELF	0x0	/* 0 aux current - self powered */
652 #define	PCI_PMCAP_AUX_CUR_55mA	0x40	/* 55 mA aux current */
653 #define	PCI_PMCAP_AUX_CUR_100mA	0x80	/* 100 mA aux current */
654 #define	PCI_PMCAP_AUX_CUR_160mA	0xc0	/* 160 mA aux current */
655 #define	PCI_PMCAP_AUX_CUR_220mA	0x100	/* 220 mA aux current */
656 #define	PCI_PMCAP_AUX_CUR_270mA	0x140	/* 270 mA aux current */
657 #define	PCI_PMCAP_AUX_CUR_320mA	0x180	/* 320 mA aux current */
658 #define	PCI_PMCAP_AUX_CUR_375mA	0x1c0	/* 375 mA aux current */
659 #define	PCI_PMCAP_AUX_CUR_MASK	0x1c0	/* 3.3Vaux aux current needs */
660 #define	PCI_PMCAP_D1		0x200	/* D1 state supported */
661 #define	PCI_PMCAP_D2		0x400	/* D2 state supported */
662 #define	PCI_PMCAP_D0_PME	0x800	/* PME from D0 */
663 #define	PCI_PMCAP_D1_PME	0x1000	/* PME from D1 */
664 #define	PCI_PMCAP_D2_PME	0x2000	/* PME from D2 */
665 #define	PCI_PMCAP_D3HOT_PME	0x4000	/* PME from D3hot */
666 #define	PCI_PMCAP_D3COLD_PME	0x8000	/* PME from D3cold */
667 #define	PCI_PMCAP_PME_MASK	0xf800	/* PME support mask */
668 
669 /*
670  * PM control/status values - 2 bytes
671  */
672 #define	PCI_PMCSR_D0			0x0	/* power state D0 */
673 #define	PCI_PMCSR_D1			0x1	/* power state D1 */
674 #define	PCI_PMCSR_D2			0x2	/* power state D2 */
675 #define	PCI_PMCSR_D3HOT			0x3	/* power state D3hot */
676 #define	PCI_PMCSR_STATE_MASK		0x3	/* power state mask */
677 #define	PCI_PMCSR_PME_EN		0x100	/* enable PME assertion */
678 #define	PCI_PMCSR_DSEL_D0_PWR_C		0x0	/* D0 power consumed */
679 #define	PCI_PMCSR_DSEL_D1_PWR_C		0x200	/* D1 power consumed */
680 #define	PCI_PMCSR_DSEL_D2_PWR_C		0x400	/* D2 power consumed */
681 #define	PCI_PMCSR_DSEL_D3_PWR_C		0x600	/* D3 power consumed */
682 #define	PCI_PMCSR_DSEL_D0_PWR_D		0x800	/* D0 power dissipated */
683 #define	PCI_PMCSR_DSEL_D1_PWR_D		0xa00	/* D1 power dissipated */
684 #define	PCI_PMCSR_DSEL_D2_PWR_D		0xc00	/* D2 power dissipated */
685 #define	PCI_PMCSR_DSEL_D3_PWR_D		0xe00	/* D3 power dissipated */
686 #define	PCI_PMCSR_DSEL_COM_C		0x1000	/* common power consumption */
687 #define	PCI_PMCSR_DSEL_MASK		0x1e00	/* data select mask */
688 #define	PCI_PMCSR_DSCL_UNKNOWN		0x0	/* data scale unknown */
689 #define	PCI_PMCSR_DSCL_1_BY_10		0x2000	/* data scale 0.1x */
690 #define	PCI_PMCSR_DSCL_1_BY_100		0x4000	/* data scale 0.01x */
691 #define	PCI_PMCSR_DSCL_1_BY_1000	0x6000	/* data scale 0.001x */
692 #define	PCI_PMCSR_DSCL_MASK		0x6000	/* data scale mask */
693 #define	PCI_PMCSR_PME_STAT		0x8000	/* PME status */
694 
695 /*
696  * PM PMCSR PCI to PCI bridge support extension values - 1 byte
697  */
698 #define	PCI_PMCSR_BSE_B2_B3	0x40	/* bridge D3hot -> secondary B2 */
699 #define	PCI_PMCSR_BSE_BPCC_EN	0x80	/* bus power/clock control enabled */
700 
701 /*
702  * PCI-X capability related definitions
703  */
704 #define	PCI_PCIX_COMMAND	0x2	/* Command register offset */
705 #define	PCI_PCIX_STATUS		0x4	/* Status register offset */
706 #define	PCI_PCIX_ECC_STATUS	0x8	/* ECC Status register offset */
707 #define	PCI_PCIX_ECC_FST_AD	0xC	/* ECC First address register offset */
708 #define	PCI_PCIX_ECC_SEC_AD	0x10	/* ECC Second address register offset */
709 #define	PCI_PCIX_ECC_ATTR	0x14	/* ECC Attribute register offset */
710 
711 /*
712  * PCI-X bridge capability related definitions
713  */
714 #define	PCI_PCIX_SEC_STATUS		0x2	/* Secondary Status offset */
715 #define	PCI_PCIX_SEC_STATUS_SCD		0x4	/* Split Completion Discarded */
716 #define	PCI_PCIX_SEC_STATUS_USC		0x8	/* Unexpected Split Complete */
717 #define	PCI_PCIX_SEC_STATUS_SCO		0x10	/* Split Completion Overrun */
718 #define	PCI_PCIX_SEC_STATUS_SRD		0x20	/* Split Completion Delayed */
719 #define	PCI_PCIX_SEC_STATUS_ERR_MASK	0x3C
720 
721 #define	PCI_PCIX_BDG_STATUS		0x4	/* Bridge Status offset */
722 #define	PCI_PCIX_BDG_STATUS_USC		0x80000
723 #define	PCI_PCIX_BDG_STATUS_SCO		0x100000
724 #define	PCI_PCIX_BDG_STATUS_SRD		0x200000
725 #define	PCI_PCIX_BDG_STATUS_ERR_MASK	0x380000
726 
727 #define	PCI_PCIX_UP_SPL_CTL	0x8	/* Upstream split ctrl reg offset */
728 #define	PCI_PCIX_DOWN_SPL_CTL	0xC	/* Downstream split ctrl reg offset */
729 #define	PCI_PCIX_BDG_ECC_STATUS	0x10	/* ECC Status register offset */
730 #define	PCI_PCIX_BDG_ECC_FST_AD	0x14	/* ECC First address register offset */
731 #define	PCI_PCIX_BDG_ECC_SEC_AD	0x18	/* ECC Second address register offset */
732 #define	PCI_PCIX_BDG_ECC_ATTR	0x1C	/* ECC Attribute register offset */
733 
734 /*
735  * PCIX capabilities values
736  */
737 #define	PCI_PCIX_VER_MASK	0x3000	/* Bits 12 and 13 */
738 #define	PCI_PCIX_VER_0		0x0000	/* PCIX cap list item version 0 */
739 #define	PCI_PCIX_VER_1		0x1000	/* PCIX cap list item version 1 */
740 #define	PCI_PCIX_VER_2		0x2000	/* PCIX cap list item version 2 */
741 
742 #define	PCI_PCIX_SPL_DSCD	0x40000 /* Split Completion Discarded */
743 #define	PCI_PCIX_UNEX_SPL	0x80000	/* Unexpected Split Completion */
744 #define	PCI_PCIX_RX_SPL_MSG	0x20000000 /* Recieved Spl Comp Error Message */
745 
746 #define	PCI_PCIX_ECC_SEL	0x1	/* Secondary ECC register select */
747 #define	PCI_PCIX_ECC_EP		0x2	/* Error Present on other side */
748 #define	PCI_PCIX_ECC_S_CE	0x4	/* Addl Correctable ECC Error */
749 #define	PCI_PCIX_ECC_S_UE	0x8	/* Addl Uncorrectable ECC Error */
750 #define	PCI_PCIX_ECC_PHASE	0x70	/* ECC Error Phase */
751 #define	PCI_PCIX_ECC_CORR	0x80	/* ECC Error Corrected */
752 #define	PCI_PCIX_ECC_SYN	0xff00	/* ECC Error Syndrome */
753 #define	PCI_PCIX_ECC_FST_CMD	0xf0000	 /* ECC Error First Command */
754 #define	PCI_PCIX_ECC_SEC_CMD	0xf00000 /* ECC Error Second Command */
755 #define	PCI_PCIX_ECC_UP_ATTR	0xf000000 /* ECC Error Upper Attributes */
756 
757 /*
758  * PCIX ECC Phase Values
759  */
760 #define	PCI_PCIX_ECC_PHASE_NOERR	0x0
761 #define	PCI_PCIX_ECC_PHASE_FADDR	0x1
762 #define	PCI_PCIX_ECC_PHASE_SADDR	0x2
763 #define	PCI_PCIX_ECC_PHASE_ATTR		0x3
764 #define	PCI_PCIX_ECC_PHASE_DATA32	0x4
765 #define	PCI_PCIX_ECC_PHASE_DATA64	0x5
766 
767 /*
768  * PCI-X Command Encoding
769  */
770 #define	PCI_PCIX_CMD_INTR		0x0
771 #define	PCI_PCIX_CMD_SPEC		0x1
772 #define	PCI_PCIX_CMD_IORD		0x2
773 #define	PCI_PCIX_CMD_IOWR		0x3
774 #define	PCI_PCIX_CMD_DEVID		0x5
775 #define	PCI_PCIX_CMD_MEMRD_DW		0x6
776 #define	PCI_PCIX_CMD_MEMWR		0x7
777 #define	PCI_PCIX_CMD_MEMRD_BL		0x8
778 #define	PCI_PCIX_CMD_MEMWR_BL		0x9
779 #define	PCI_PCIX_CMD_CFRD		0xA
780 #define	PCI_PCIX_CMD_CFWR		0xB
781 #define	PCI_PCIX_CMD_SPL		0xC
782 #define	PCI_PCIX_CMD_DADR		0xD
783 #define	PCI_PCIX_CMD_MEMRDBL		0xE
784 #define	PCI_PCIX_CMD_MEMWRBL		0xF
785 
786 #if defined(_BIT_FIELDS_LTOH)
787 typedef struct pcix_attr {
788 	uint32_t	lbc	:8,
789 			rid	:16,
790 			tag	:5,
791 			ro	:1,
792 			ns	:1,
793 			r	:1;
794 } pcix_attr_t;
795 #elif defined(_BIT_FIELDS_HTOL)
796 typedef struct pcix_attr {
797 	uint32_t	r	:1,
798 			ns	:1,
799 			ro	:1,
800 			tag	:5,
801 			rid	:16,
802 			lbc	:8;
803 } pcix_attr_t;
804 #else
805 #error "bit field not defined"
806 #endif
807 
808 #define	PCI_PCIX_BSS_SPL_DSCD	0x4	/* Secondary split comp discarded */
809 #define	PCI_PCIX_BSS_UNEX_SPL	0x8	/* Secondary unexpected split comp */
810 #define	PCI_PCIX_BSS_SPL_OR	0x10	/* Secondary split comp overrun */
811 #define	PCI_PCIX_BSS_SPL_DLY	0x20	/* Secondary split comp delayed */
812 
813 /*
814  * PCI Hotplug capability entry offsets
815  *
816  * SHPC based PCI hotplug controller registers accessed via the DWORD
817  * select and DATA registers in PCI configuration space relative to the
818  * PCI HP capibility pointer.
819  */
820 #define	PCI_HP_DWORD_SELECT_OFF		0x2
821 #define	PCI_HP_DWORD_DATA_OFF		0x4
822 
823 #define	PCI_HP_BASE_OFFSET_REG		0x00
824 #define	PCI_HP_SLOTS_AVAIL_I_REG	0x01
825 #define	PCI_HP_SLOTS_AVAIL_II_REG	0x02
826 #define	PCI_HP_SLOT_CONFIGURATION_REG	0x03
827 #define	PCI_HP_PROF_IF_SBCR_REG		0x04
828 #define	PCI_HP_COMMAND_STATUS_REG	0x05
829 #define	PCI_HP_IRQ_LOCATOR_REG		0x06
830 #define	PCI_HP_SERR_LOCATOR_REG		0x07
831 #define	PCI_HP_CTRL_SERR_INT_REG	0x08
832 #define	PCI_HP_LOGICAL_SLOT_REGS	0x09
833 #define	PCI_HP_VENDOR_SPECIFIC		0x28
834 
835 /* Definitions used with the PCI_HP_SLOTS_AVAIL_I_REG register */
836 #define	PCI_HP_AVAIL_33MHZ_CONV_SPEED_SHIFT	0
837 #define	PCI_HP_AVAIL_66MHZ_PCIX_SPEED_SHIFT	8
838 #define	PCI_HP_AVAIL_100MHZ_PCIX_SPEED_SHIFT	16
839 #define	PCI_HP_AVAIL_133MHZ_PCIX_SPEED_SHIFT	24
840 #define	PCI_HP_AVAIL_SPEED_MASK			0x1F
841 
842 /* Definitions used with the PCI_HP_SLOTS_AVAIL_II_REG register */
843 #define	PCI_HP_AVAIL_66MHZ_CONV_SPEED_SHIFT	0
844 
845 /* Register bits used with the PCI_HP_PROF_IF_SBCR_REG register */
846 #define	PCI_HP_SBCR_33MHZ_CONV_SPEED		0x0
847 #define	PCI_HP_SBCR_66MHZ_CONV_SPEED		0x1
848 #define	PCI_HP_SBCR_66MHZ_PCIX_SPEED		0x2
849 #define	PCI_HP_SBCR_100MHZ_PCIX_SPEED		0x3
850 #define	PCI_HP_SBCR_133MHZ_PCIX_SPEED		0x4
851 #define	PCI_HP_SBCR_SPEED_MASK			0x7
852 
853 /* Register bits used with the PCI_HP_COMMAND_STATUS_REG register */
854 #define	PCI_HP_COMM_STS_ERR_INVALID_SPEED	0x80000
855 #define	PCI_HP_COMM_STS_ERR_INVALID_COMMAND	0x40000
856 #define	PCI_HP_COMM_STS_ERR_MRL_OPEN		0x20000
857 #define	PCI_HP_COMM_STS_ERR_MASK		0xe0000
858 #define	PCI_HP_COMM_STS_CTRL_BUSY		0x10000
859 #define	PCI_HP_COMM_STS_SET_SPEED		0x40
860 
861 /* Register bits used with the PCI_HP_CTRL_SERR_INT_REG register */
862 #define	PCI_HP_SERR_INT_GLOBAL_IRQ_MASK		0x1
863 #define	PCI_HP_SERR_INT_GLOBAL_SERR_MASK	0x2
864 #define	PCI_HP_SERR_INT_CMD_COMPLETE_MASK	0x4
865 #define	PCI_HP_SERR_INT_ARBITER_SERR_MASK	0x8
866 #define	PCI_HP_SERR_INT_CMD_COMPLETE_IRQ	0x10000
867 #define	PCI_HP_SERR_INT_ARBITER_IRQ		0x20000
868 #define	PCI_HP_SERR_INT_MASK_ALL		0xf
869 
870 /* Register bits used with the PCI_HP_LOGICAL_SLOT_REGS register */
871 #define	PCI_HP_SLOT_POWER_ONLY			0x1
872 #define	PCI_HP_SLOT_ENABLED			0x2
873 #define	PCI_HP_SLOT_DISABLED			0x3
874 #define	PCI_HP_SLOT_STATE_MASK			0x3
875 #define	PCI_HP_SLOT_MRL_STATE_MASK		0x100
876 #define	PCI_HP_SLOT_66MHZ_CONV_CAPABLE		0x200
877 #define	PCI_HP_SLOT_CARD_EMPTY_MASK		0xc00
878 #define	PCI_HP_SLOT_66MHZ_PCIX_CAPABLE		0x1000
879 #define	PCI_HP_SLOT_100MHZ_PCIX_CAPABLE		0x2000
880 #define	PCI_HP_SLOT_133MHZ_PCIX_CAPABLE		0x3000
881 #define	PCI_HP_SLOT_PCIX_CAPABLE_MASK		0x3000
882 #define	PCI_HP_SLOT_PCIX_CAPABLE_SHIFT		12
883 #define	PCI_HP_SLOT_PRESENCE_DETECTED		0x10000
884 #define	PCI_HP_SLOT_ISO_PWR_DETECTED		0x20000
885 #define	PCI_HP_SLOT_ATTN_DETECTED		0x40000
886 #define	PCI_HP_SLOT_MRL_DETECTED		0x80000
887 #define	PCI_HP_SLOT_POWER_DETECTED		0x100000
888 #define	PCI_HP_SLOT_PRESENCE_MASK		0x1000000
889 #define	PCI_HP_SLOT_ISO_PWR_MASK		0x2000000
890 #define	PCI_HP_SLOT_ATTN_MASK			0x4000000
891 #define	PCI_HP_SLOT_MRL_MASK			0x8000000
892 #define	PCI_HP_SLOT_POWER_MASK			0x10000000
893 #define	PCI_HP_SLOT_MRL_SERR_MASK		0x20000000
894 #define	PCI_HP_SLOT_POWER_SERR_MASK		0x40000000
895 #define	PCI_HP_SLOT_MASK_ALL			0x5f000000
896 
897 /* Register bits used with the PCI_HP_IRQ_LOCATOR_REG register */
898 #define	PCI_HP_IRQ_CMD_COMPLETE			0x1
899 #define	PCI_HP_IRQ_SLOT_N_PENDING		0x2
900 
901 /* Register bits used with the PCI_HP_SERR_LOCATOR_REG register */
902 #define	PCI_HP_IRQ_SERR_ARBITER_PENDING		0x1
903 #define	PCI_HP_IRQ_SERR_SLOT_N_PENDING		0x2
904 
905 /* Register bits used with the PCI_HP_SLOT_CONFIGURATION_REG register */
906 #define	PCI_HP_SLOT_CONFIG_MRL_SENSOR		0x40000000
907 #define	PCI_HP_SLOT_CONFIG_ATTN_BUTTON		0x80000000
908 #define	PCI_HP_SLOT_CONFIG_PHY_SLOT_NUM_SHIFT	16
909 #define	PCI_HP_SLOT_CONFIG_PHY_SLOT_NUM_MASK	0x3FF
910 
911 /*
912  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 32-bit
913  */
914 #define	PCI_MSI_CTRL		0x02	/* MSI control register, 2 bytes */
915 #define	PCI_MSI_ADDR_OFFSET	0x04	/* MSI 32-bit msg address, 4 bytes */
916 #define	PCI_MSI_32BIT_DATA	0x08	/* MSI 32-bit msg data, 2 bytes */
917 #define	PCI_MSI_32BIT_EXTDATA	0x0A	/* MSI 32-bit msg ext data, 2 bytes */
918 #define	PCI_MSI_32BIT_MASK	0x0C	/* MSI 32-bit mask bits, 4 bytes */
919 #define	PCI_MSI_32BIT_PENDING	0x10	/* MSI 32-bit pending bits, 4 bytes */
920 
921 /*
922  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 64-bit
923  */
924 #define	PCI_MSI_64BIT_ADDR	0x08	/* MSI 64-bit upper address, 4 bytes */
925 #define	PCI_MSI_64BIT_DATA	0x0C	/* MSI 64-bit msg data, 2 bytes */
926 #define	PCI_MSI_64BIT_EXTDATA	0x0E	/* MSI 64-bit msg ext data, 2 bytes */
927 #define	PCI_MSI_64BIT_MASKBITS	0x10	/* MSI 64-bit mask bits, 4 bytes */
928 #define	PCI_MSI_64BIT_PENDING	0x14	/* MSI 64-bit pending bits, 4 bytes */
929 
930 /*
931  * PCI Message Signalled Interrupts (MSI) capability masks and shifts
932  */
933 #define	PCI_MSI_ENABLE_BIT	0x0001	/* MSI enable mask in MSI ctrl reg */
934 #define	PCI_MSI_MMC_MASK	0x000E	/* MMC mask in MSI ctrl reg */
935 #define	PCI_MSI_MMC_SHIFT	0x1	/* Shift for MMC bits */
936 #define	PCI_MSI_MME_MASK	0x0070	/* MME mask in MSI ctrl reg */
937 #define	PCI_MSI_MME_SHIFT	0x4	/* Shift for MME bits */
938 #define	PCI_MSI_64BIT_MASK	0x0080	/* 64bit support mask in MSI ctrl reg */
939 #define	PCI_MSI_PVM_MASK	0x0100	/* PVM support mask in MSI ctrl reg */
940 #define	PCI_MSI_EMD_MASK	0x0200	/* EMD Capable Mask */
941 #define	PCI_MSI_EMD_ENABLE	0x0400	/* EMD Enable bit */
942 
943 /*
944  * PCI Extended Message Signalled Interrupts (MSI-X) capability entry offsets
945  */
946 #define	PCI_MSIX_CTRL		0x02	/* MSI-X control register, 2 bytes */
947 #define	PCI_MSIX_TBL_OFFSET	0x04	/* MSI-X table offset, 4 bytes */
948 #define	PCI_MSIX_TBL_BIR_MASK	0x0007	/* MSI-X table BIR mask */
949 #define	PCI_MSIX_PBA_OFFSET	0x08	/* MSI-X pending bit array, 4 bytes */
950 #define	PCI_MSIX_PBA_BIR_MASK	0x0007	/* MSI-X PBA BIR mask */
951 
952 #define	PCI_MSIX_TBL_SIZE_MASK	0x07FF	/* table size mask in MSI-X ctrl reg */
953 #define	PCI_MSIX_FUNCTION_MASK	0x4000	/* function mask in MSI-X ctrl reg */
954 #define	PCI_MSIX_ENABLE_BIT	0x8000	/* MSI-X enable mask in MSI-X ctl reg */
955 
956 #define	PCI_MSIX_LOWER_ADDR_OFFSET	0	/* MSI-X lower addr offset */
957 #define	PCI_MSIX_UPPER_ADDR_OFFSET	4	/* MSI-X upper addr offset */
958 #define	PCI_MSIX_DATA_OFFSET		8	/* MSI-X data offset */
959 #define	PCI_MSIX_VECTOR_CTRL_OFFSET	12	/* MSI-X vector ctrl offset */
960 #define	PCI_MSIX_VECTOR_SIZE		16	/* MSI-X size of each vector */
961 
962 /*
963  * PCI Message Signalled Interrupts: other interesting constants
964  */
965 #define	PCI_MSI_MAX_INTRS	32	/* maximum MSI interrupts supported */
966 #define	PCI_MSIX_MAX_INTRS	2048	/* maximum MSI-X interrupts supported */
967 
968 /*
969  * PCI Slot Id Capabilities, 2 bytes
970  */
971 /* Byte 1: Expansion Slot Register (ESR), Byte 2: Chassis Number Register */
972 #define	PCI_CAPSLOT_ESR_NSLOTS_MASK	0x1F	/* Number of slots mask */
973 #define	PCI_CAPSLOT_ESR_FIC		0x20	/* First In Chassis bit */
974 #define	PCI_CAPSLOT_ESR_FIC_MASK	0x01	/* First In Chassis mask */
975 #define	PCI_CAPSLOT_ESR_FIC_SHIFT	5	/* First In Chassis shift */
976 #define	PCI_CAPSLOT_FIC(esr_reg)	((esr_reg) & PCI_CAPSLOT_ESR_FIC)
977 #define	PCI_CAPSLOT_NSLOTS(esr_reg)	((esr_reg) & \
978 						PCI_CAPSLOT_ESR_NSLOTS_MASK)
979 
980 /*
981  * HyperTransport Capabilities; each HT cap uses the same PCI cap id of
982  * PCI_CAP_ID_HT.  The header's upper 16-bits (command reg) contains an HT
983  * cap type reg at bits [15:11].  For Slave/Pri Interface and Host/Sec
984  * Interface types, only bits [15:13] are used.
985  */
986 #define	PCI_HTCAP_TYPE_MASK		0xF800
987 #define	PCI_HTCAP_TYPE_SLHOST_MASK	0xE000	/* SLPRI and HOSTSEC types */
988 #define	PCI_HTCAP_TYPE_SHIFT		11
989 
990 #define	PCI_HTCAP_SLPRI_ID		0x00
991 #define	PCI_HTCAP_HOSTSEC_ID		0x04
992 #define	PCI_HTCAP_SWITCH_ID		0x08
993 #define	PCI_HTCAP_INTCONF_ID		0x10
994 #define	PCI_HTCAP_REVID_ID		0x11
995 #define	PCI_HTCAP_UNITID_CLUMP_ID	0x12
996 #define	PCI_HTCAP_ECFG_ID		0x13
997 #define	PCI_HTCAP_ADDRMAP_ID		0x14
998 #define	PCI_HTCAP_MSIMAP_ID		0x15
999 #define	PCI_HTCAP_DIRROUTE_ID		0x16
1000 #define	PCI_HTCAP_VCSET_ID		0x17
1001 #define	PCI_HTCAP_RETRYMODE_ID		0x18
1002 #define	PCI_HTCAP_X86ENC_ID		0x19
1003 #define	PCI_HTCAP_GEN3_ID		0x1A
1004 #define	PCI_HTCAP_FUNCEXT_ID		0x1B
1005 #define	PCI_HTCAP_PM_ID			0x1C
1006 
1007 #define	PCI_HTCAP_SLPRI_TYPE		/* 0x0000 */	\
1008 	(PCI_HTCAP_SLPRI_ID	<< PCI_HTCAP_TYPE_SHIFT)
1009 
1010 #define	PCI_HTCAP_HOSTSEC_TYPE		/* 0x2000 */	\
1011 	(PCI_HTCAP_HOSTSEC_ID	<< PCI_HTCAP_TYPE_SHIFT)
1012 
1013 #define	PCI_HTCAP_SWITCH_TYPE		/* 0x4000 */	\
1014 	(PCI_HTCAP_SWITCH_ID	<< PCI_HTCAP_TYPE_SHIFT)
1015 
1016 #define	PCI_HTCAP_INTCONF_TYPE		/* 0x8000 */	\
1017 	(PCI_HTCAP_INTCONF_ID	<< PCI_HTCAP_TYPE_SHIFT)
1018 
1019 #define	PCI_HTCAP_REVID_TYPE		/* 0x8800 */	\
1020 	(PCI_HTCAP_REVID_ID	<< PCI_HTCAP_TYPE_SHIFT)
1021 
1022 #define	PCI_HTCAP_UNITID_CLUMP_TYPE	/* 0x9000 */	\
1023 	(PCI_HTCAP_UNITID_CLUMP_ID	<< PCI_HTCAP_TYPE_SHIFT)
1024 
1025 #define	PCI_HTCAP_ECFG_TYPE		/* 0x9800 */	\
1026 	(PCI_HTCAP_ECFG_ID	<< PCI_HTCAP_TYPE_SHIFT)
1027 
1028 #define	PCI_HTCAP_ADDRMAP_TYPE		/* 0xA000 */	\
1029 	(PCI_HTCAP_ADDRMAP_ID	<< PCI_HTCAP_TYPE_SHIFT)
1030 
1031 #define	PCI_HTCAP_MSIMAP_TYPE		/* 0xA800 */	\
1032 	(PCI_HTCAP_MSIMAP_ID	<< PCI_HTCAP_TYPE_SHIFT)
1033 
1034 #define	PCI_HTCAP_DIRROUTE_TYPE		/* 0xB000 */	\
1035 	(PCI_HTCAP_DIRROUTE_ID	<< PCI_HTCAP_TYPE_SHIFT)
1036 
1037 #define	PCI_HTCAP_VCSET_TYPE		/* 0xB800 */	\
1038 	(PCI_HTCAP_VCSET_ID	<< PCI_HTCAP_TYPE_SHIFT)
1039 
1040 #define	PCI_HTCAP_RETRYMODE_TYPE	/* 0xC000 */	\
1041 	(PCI_HTCAP_RETRYMODE_ID	<< PCI_HTCAP_TYPE_SHIFT)
1042 
1043 #define	PCI_HTCAP_X86ENC_TYPE		/* 0xC800 */	\
1044 	(PCI_HTCAP_X86ENC_ID	<< PCI_HTCAP_TYPE_SHIFT)
1045 
1046 #define	PCI_HTCAP_GEN3_TYPE		/* 0xD000 */	\
1047 	(PCI_HTCAP_GEN3_ID	<< PCI_HTCAP_TYPE_SHIFT)
1048 
1049 #define	PCI_HTCAP_FUNCEXT_TYPE		/* 0xD800 */	\
1050 	(PCI_HTCAP_FUNCEXT_ID	<< PCI_HTCAP_TYPE_SHIFT)
1051 
1052 #define	PCI_HTCAP_PM_TYPE		/* 0xE000 */	\
1053 	(PCI_HTCAP_PM_ID	<< PCI_HTCAP_TYPE_SHIFT)
1054 
1055 #define	PCI_HTCAP_MSIMAP_ENABLE			0x0001
1056 #define	PCI_HTCAP_MSIMAP_ENABLE_MASK		0x0001
1057 
1058 #define	PCI_HTCAP_ADDRMAP_MAPTYPE_MASK		0x600
1059 #define	PCI_HTCAP_ADDRMAP_MAPTYPE_SHIFT		9
1060 #define	PCI_HTCAP_ADDRMAP_NUMMAP_MASK		0xF
1061 #define	PCI_HTCAP_ADDRMAP_40BIT_ID		0x0
1062 #define	PCI_HTCAP_ADDRMAP_64BIT_ID		0x1
1063 
1064 #define	PCI_HTCAP_FUNCEXT_LEN_MASK		0xFF
1065 
1066 /*
1067  * PCI Bridge Subsystem Capability (PCI_CAP_ID_P2P_SUBSYS)
1068  */
1069 #define	PCI_SUBSYSCAP_SUBVID	0x4
1070 #define	PCI_SUBSYSCAP_SUBSYS	0x6
1071 
1072 /*
1073  * other interesting PCI constants
1074  */
1075 #define	PCI_BASE_NUM	6	/* num of base regs in configuration header */
1076 #define	PCI_BAR_SZ_32	4	/* size of 32 bit base addr reg in bytes */
1077 #define	PCI_BAR_SZ_64	8	/* size of 64 bit base addr reg in bytes */
1078 #define	PCI_BASE_SIZE	4	/* size of base reg in bytes */
1079 #define	PCI_CONF_HDR_SIZE	256	/* configuration header size */
1080 #define	PCI_MAX_BUS_NUM		256		/* Maximum PCI buses allowed */
1081 #define	PCI_MAX_DEVICES		32		/* Max PCI devices allowed */
1082 #define	PCI_MAX_FUNCTIONS	8		/* Max PCI functions allowed */
1083 #define	PCI_MAX_CHILDREN	PCI_MAX_DEVICES * PCI_MAX_FUNCTIONS
1084 #define	PCI_CLK_33MHZ	(33 * 1000 * 1000)	/* 33MHz clock speed */
1085 #define	PCI_CLK_66MHZ	(66 * 1000 * 1000)	/* 66MHz clock speed */
1086 #define	PCI_CLK_133MHZ	(133 * 1000 * 1000)	/* 133MHz clock speed */
1087 
1088 /*
1089  * pci bus range definition
1090  */
1091 typedef struct pci_bus_range {
1092 	uint32_t lo;
1093 	uint32_t hi;
1094 } pci_bus_range_t;
1095 
1096 /*
1097  * The following typedef is used to represent an entry in the "ranges"
1098  * property of a pci hostbridge device node.
1099  */
1100 typedef struct pci_ranges {
1101 	uint32_t child_high;
1102 	uint32_t child_mid;
1103 	uint32_t child_low;
1104 	uint32_t parent_high;
1105 	uint32_t parent_low;
1106 	uint32_t size_high;
1107 	uint32_t size_low;
1108 } pci_ranges_t;
1109 
1110 /*
1111  * The following typedef is used to represent an entry in the "ranges"
1112  * property of a pci-pci bridge device node.
1113  */
1114 typedef struct {
1115 	uint32_t child_high;
1116 	uint32_t child_mid;
1117 	uint32_t child_low;
1118 	uint32_t parent_high;
1119 	uint32_t parent_mid;
1120 	uint32_t parent_low;
1121 	uint32_t size_high;
1122 	uint32_t size_low;
1123 } ppb_ranges_t;
1124 
1125 /*
1126  * This structure represents one entry of the 1275 "reg" property and
1127  * "assigned-addresses" property for a PCI node.  For the "reg" property, it
1128  * may be one of an arbitrary length array for devices with multiple address
1129  * windows.  For the "assigned-addresses" property, it denotes an assigned
1130  * physical address on the PCI bus.  It may be one entry of the six entries
1131  * for devices with multiple base registers.
1132  *
1133  * The physical address format is:
1134  *
1135  *             Bit#:  33222222 22221111 11111100 00000000
1136  *                    10987654 32109876 54321098 76543210
1137  *
1138  * pci_phys_hi cell:  npt000ss bbbbbbbb dddddfff rrrrrrrr
1139  * pci_phys_mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
1140  * pci_phys_low cell: llllllll llllllll llllllll llllllll
1141  *
1142  * n          is 0 if the address is relocatable, 1 otherwise
1143  * p          is 1 if the addressable region is "prefetchable", 0 otherwise
1144  * t          is 1 if the address is aliased (for non-relocatable I/O), below
1145  *	      1MB (for mem), or below 64 KB (for relocatable I/O).
1146  * ss         is the type code, denoting which address space
1147  * bbbbbbbb   is the 8-bit bus number
1148  * ddddd      is the 5-bit device number
1149  * fff        is the 3-bit function number
1150  * rrrrrrrr   is the 8-bit register number
1151  *	      should be zero for non-relocatable, when ss is 01, or 10
1152  * hh...hhh   is the 32-bit unsigned number
1153  * ll...lll   is the 32-bit unsigned number
1154  *
1155  * The physical size format is:
1156  *
1157  * pci_size_hi cell:  hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
1158  * pci_size_low cell: llllllll llllllll llllllll llllllll
1159  *
1160  * hh...hhh   is the 32-bit unsigned number
1161  * ll...lll   is the 32-bit unsigned number
1162  */
1163 struct pci_phys_spec {
1164 	uint_t pci_phys_hi;		/* child's address, hi word */
1165 	uint_t pci_phys_mid;		/* child's address, middle word */
1166 	uint_t pci_phys_low;		/* child's address, low word */
1167 	uint_t pci_size_hi;		/* high word of size field */
1168 	uint_t pci_size_low;		/* low word of size field */
1169 };
1170 
1171 typedef struct pci_phys_spec pci_regspec_t;
1172 
1173 /*
1174  * PCI masks for pci_phy_hi of PCI 1275 address cell.
1175  */
1176 #define	PCI_REG_REG_M		0xff		/* register mask */
1177 #define	PCI_REG_FUNC_M		0x700		/* function mask */
1178 #define	PCI_REG_DEV_M		0xf800		/* device mask */
1179 #define	PCI_REG_BUS_M		0xff0000	/* bus number mask */
1180 #define	PCI_REG_ADDR_M		0x3000000	/* address space mask */
1181 #define	PCI_REG_ALIAS_M		0x20000000	/* aliased bit mask */
1182 #define	PCI_REG_PF_M		0x40000000	/* prefetch bit mask */
1183 #define	PCI_REG_REL_M		0x80000000	/* relocation bit mask */
1184 #define	PCI_REG_BDFR_M		0xffffff	/* bus, dev, func, reg mask */
1185 #define	PCI_REG_EXTREG_M	0xF0000000	/* extended config bits mask */
1186 
1187 #define	PCI_REG_FUNC_SHIFT	8		/* Offset of function bits */
1188 #define	PCI_REG_DEV_SHIFT	11		/* Offset of device bits */
1189 #define	PCI_REG_BUS_SHIFT	16		/* Offset of bus bits */
1190 #define	PCI_REG_ADDR_SHIFT	24		/* Offset of address bits */
1191 #define	PCI_REG_EXTREG_SHIFT	28		/* Offset of ext. config bits */
1192 
1193 #define	PCI_REG_REG_G(x)	((x) & PCI_REG_REG_M)
1194 #define	PCI_REG_FUNC_G(x)	(((x) & PCI_REG_FUNC_M) >> PCI_REG_FUNC_SHIFT)
1195 #define	PCI_REG_DEV_G(x)	(((x) & PCI_REG_DEV_M) >> PCI_REG_DEV_SHIFT)
1196 #define	PCI_REG_BUS_G(x)	(((x) & PCI_REG_BUS_M) >> PCI_REG_BUS_SHIFT)
1197 #define	PCI_REG_ADDR_G(x)	(((x) & PCI_REG_ADDR_M) >> PCI_REG_ADDR_SHIFT)
1198 #define	PCI_REG_BDFR_G(x)	((x) & PCI_REG_BDFR_M)
1199 
1200 #define	PCI_REG_MAKE_BDFR(b, d, f, r)	( \
1201 	    (uint_t)(b) << PCI_REG_BUS_SHIFT | \
1202 	    (uint_t)(d) << PCI_REG_DEV_SHIFT | \
1203 	    (uint_t)(f) << PCI_REG_FUNC_SHIFT | (r))
1204 
1205 /*
1206  * PCI bit encodings of pci_phys_hi of PCI 1275 address cell.
1207  */
1208 #define	PCI_ADDR_MASK		PCI_REG_ADDR_M
1209 #define	PCI_ADDR_CONFIG		0x00000000	/* configuration address */
1210 #define	PCI_ADDR_IO		0x01000000	/* I/O address */
1211 #define	PCI_ADDR_MEM32		0x02000000	/* 32-bit memory address */
1212 #define	PCI_ADDR_MEM64		0x03000000	/* 64-bit memory address */
1213 #define	PCI_ALIAS_B		PCI_REG_ALIAS_M	/* aliased bit */
1214 #define	PCI_PREFETCH_B		PCI_REG_PF_M	/* prefetch bit */
1215 #define	PCI_RELOCAT_B		PCI_REG_REL_M	/* non-relocatable bit */
1216 #define	PCI_CONF_ADDR_MASK	0x00ffffff	/* mask for config address */
1217 
1218 #define	PCI_HARDDEC_8514 2	/* number of reg entries for 8514 hard-decode */
1219 #define	PCI_HARDDEC_VGA	3	/* number of reg entries for VGA hard-decode */
1220 #define	PCI_HARDDEC_IDE	4	/* number of reg entries for IDE hard-decode */
1221 #define	PCI_HARDDEC_IDE_PRI 2	/* number of reg entries for IDE primary */
1222 #define	PCI_HARDDEC_IDE_SEC 2	/* number of reg entries for IDE secondary */
1223 
1224 /*
1225  * PCI Expansion ROM Header Format
1226  */
1227 #define	PCI_ROM_SIGNATURE		0x0	/* ROM Signature 0xaa55 */
1228 #define	PCI_ROM_ARCH_UNIQUE_START	0x2	/* Start of processor unique */
1229 #define	PCI_ROM_PCI_DATA_STRUCT_PTR	0x18	/* Ptr to PCI Data Structure */
1230 
1231 /*
1232  * PCI Data Structure
1233  *
1234  * The PCI Data Structure is located within the first 64KB
1235  * of the ROM image and must be DWORD aligned.
1236  */
1237 #define	PCI_PDS_SIGNATURE	0x0	/* Signature, the string 'PCIR' */
1238 #define	PCI_PDS_VENDOR_ID	0x4	/* Vendor Identification */
1239 #define	PCI_PDS_DEVICE_ID	0x6	/* Device Identification */
1240 #define	PCI_PDS_VPD_PTR		0x8	/* Pointer to Vital Product Data */
1241 #define	PCI_PDS_PDS_LENGTH	0xa	/* PCI Data Structure Length */
1242 #define	PCI_PDS_PDS_REVISION	0xc	/* PCI Data Structure Revision */
1243 #define	PCI_PDS_CLASS_CODE	0xd	/* Class Code */
1244 #define	PCI_PDS_IMAGE_LENGTH	0x10	/* Image Length in 512 byte units */
1245 #define	PCI_PDS_CODE_REVISON	0x12	/* Revision Level of Code/Data */
1246 #define	PCI_PDS_CODE_TYPE	0x14	/* Code Type */
1247 #define	PCI_PDS_INDICATOR	0x15	/* Indicates if image is last in ROM */
1248 
1249 #define	PCI_PDS_CODE_TYPE_PCAT		0x0	/* Intel x86/PC-AT Type */
1250 #define	PCI_PDS_CODE_TYPE_OPEN_FW	0x1	/* Open Firmware */
1251 
1252 /*
1253  * we recognize the non transparent bridge child nodes with the
1254  * following property. This is specific to an implementation only.
1255  * This property is specific to AP nodes only.
1256  */
1257 #define	PCI_DEV_CONF_MAP_PROP	"pci-parent-indirect"
1258 
1259 /*
1260  * If a bridge device provides its own config space access services,
1261  * and supports a hotplug/hotswap bus below at any level, then
1262  * the following property must be defined for the node either by
1263  * the driver or the OBP.
1264  */
1265 #define	PCI_BUS_CONF_MAP_PROP	"pci-conf-indirect"
1266 
1267 /*
1268  * PCI returns all 1s for an invalid read.
1269  */
1270 #define	PCI_EINVAL8	0xff
1271 #define	PCI_EINVAL16	0xffff
1272 #define	PCI_EINVAL32	0xffffffff
1273 
1274 #ifdef	__cplusplus
1275 }
1276 #endif
1277 
1278 #endif	/* _SYS_PCI_H */
1279