xref: /titanic_50/usr/src/uts/common/sys/pci.h (revision bfed486ad8de8b8ebc6345a8e10accae08bf2f45)
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 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_PCI_H
27 #define	_SYS_PCI_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * PCI Configuration Header offsets
37  */
38 #define	PCI_CONF_VENID		0x0	/* vendor id, 2 bytes */
39 #define	PCI_CONF_DEVID		0x2	/* device id, 2 bytes */
40 #define	PCI_CONF_COMM		0x4	/* command register, 2 bytes */
41 #define	PCI_CONF_STAT		0x6	/* status register, 2 bytes */
42 #define	PCI_CONF_REVID		0x8	/* revision id, 1 byte */
43 #define	PCI_CONF_PROGCLASS	0x9	/* programming class code, 1 byte */
44 #define	PCI_CONF_SUBCLASS	0xA	/* sub-class code, 1 byte */
45 #define	PCI_CONF_BASCLASS	0xB	/* basic class code, 1 byte */
46 #define	PCI_CONF_CACHE_LINESZ	0xC	/* cache line size, 1 byte */
47 #define	PCI_CONF_LATENCY_TIMER	0xD	/* latency timer, 1 byte */
48 #define	PCI_CONF_HEADER		0xE	/* header type, 1 byte */
49 #define	PCI_CONF_BIST		0xF	/* builtin self test, 1 byte */
50 
51 /*
52  * Header type 0 offsets
53  */
54 #define	PCI_CONF_BASE0		0x10	/* base register 0, 4 bytes */
55 #define	PCI_CONF_BASE1		0x14	/* base register 1, 4 bytes */
56 #define	PCI_CONF_BASE2		0x18	/* base register 2, 4 bytes */
57 #define	PCI_CONF_BASE3		0x1c	/* base register 3, 4 bytes */
58 #define	PCI_CONF_BASE4		0x20	/* base register 4, 4 bytes */
59 #define	PCI_CONF_BASE5		0x24	/* base register 5, 4 bytes */
60 #define	PCI_CONF_CIS		0x28	/* Cardbus CIS Pointer */
61 #define	PCI_CONF_SUBVENID	0x2c	/* Subsystem Vendor ID */
62 #define	PCI_CONF_SUBSYSID	0x2e	/* Subsystem ID */
63 #define	PCI_CONF_ROM		0x30	/* ROM base register, 4 bytes */
64 #define	PCI_CONF_CAP_PTR	0x34	/* capabilities pointer, 1 byte */
65 #define	PCI_CONF_ILINE		0x3c	/* interrupt line, 1 byte */
66 #define	PCI_CONF_IPIN		0x3d	/* interrupt pin, 1 byte */
67 #define	PCI_CONF_MIN_G		0x3e	/* minimum grant, 1 byte */
68 #define	PCI_CONF_MAX_L		0x3f	/* maximum grant, 1 byte */
69 
70 /*
71  * PCI to PCI bridge configuration space header format
72  */
73 #define	PCI_BCNF_PRIBUS		0x18	/* primary bus number */
74 #define	PCI_BCNF_SECBUS		0x19	/* secondary bus number */
75 #define	PCI_BCNF_SUBBUS		0x1a	/* subordinate bus number */
76 #define	PCI_BCNF_LATENCY_TIMER	0x1b
77 #define	PCI_BCNF_IO_BASE_LOW	0x1c
78 #define	PCI_BCNF_IO_LIMIT_LOW	0x1d
79 #define	PCI_BCNF_SEC_STATUS	0x1e
80 #define	PCI_BCNF_MEM_BASE	0x20
81 #define	PCI_BCNF_MEM_LIMIT	0x22
82 #define	PCI_BCNF_PF_BASE_LOW	0x24
83 #define	PCI_BCNF_PF_LIMIT_LOW	0x26
84 #define	PCI_BCNF_PF_BASE_HIGH	0x28
85 #define	PCI_BCNF_PF_LIMIT_HIGH	0x2c
86 #define	PCI_BCNF_IO_BASE_HI	0x30
87 #define	PCI_BCNF_IO_LIMIT_HI	0x32
88 #define	PCI_BCNF_CAP_PTR	0x34
89 #define	PCI_BCNF_ROM		0x38
90 #define	PCI_BCNF_ILINE		0x3c
91 #define	PCI_BCNF_IPIN		0x3d
92 #define	PCI_BCNF_BCNTRL		0x3e
93 
94 #define	PCI_BCNF_BASE_NUM	0x2
95 
96 /*
97  * PCI to PCI bridge control register (0x3e) format
98  */
99 #define	PCI_BCNF_BCNTRL_PARITY_ENABLE	0x1
100 #define	PCI_BCNF_BCNTRL_SERR_ENABLE	0x2
101 #define	PCI_BCNF_BCNTRL_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_MEM_MASK	0xfff0
111 
112 /*
113  * Header type 2 (Cardbus) offsets
114  */
115 #define	PCI_CBUS_SOCK_REG	0x10	/* Cardbus socket regs, 4 bytes */
116 #define	PCI_CBUS_RESERVED1	0x14	/* Reserved, 2 bytes */
117 #define	PCI_CBUS_SEC_STATUS	0x16	/* Secondary status, 2 bytes */
118 #define	PCI_CBUS_PCI_BUS_NO	0x18	/* PCI bus number, 1 byte */
119 #define	PCI_CBUS_CBUS_NO	0x19	/* Cardbus bus number, 1 byte */
120 #define	PCI_CBUS_SUB_BUS_NO	0x1a	/* Subordinate bus number, 1 byte */
121 #define	PCI_CBUS_LATENCY_TIMER	0x1b	/* Cardbus latency timer, 1 byte */
122 #define	PCI_CBUS_MEM_BASE0	0x1c	/* Memory base reg 0, 4 bytes */
123 #define	PCI_CBUS_MEM_LIMIT0	0x20	/* Memory limit reg 0, 4 bytes */
124 #define	PCI_CBUS_MEM_BASE1	0x24	/* Memory base reg 1, 4 bytes */
125 #define	PCI_CBUS_MEM_LIMIT1	0x28	/* Memory limit reg 1, 4 bytes */
126 #define	PCI_CBUS_IO_BASE0	0x2c	/* IO base reg 0, 4 bytes */
127 #define	PCI_CBUS_IO_LIMIT0	0x30	/* IO limit reg 0, 4 bytes */
128 #define	PCI_CBUS_IO_BASE1	0x34	/* IO base reg 1, 4 bytes */
129 #define	PCI_CBUS_IO_LIMIT1	0x38	/* IO limit reg 1, 4 bytes */
130 #define	PCI_CBUS_ILINE		0x3c	/* interrupt line, 1 byte */
131 #define	PCI_CBUS_IPIN		0x3d	/* interrupt pin, 1 byte */
132 #define	PCI_CBUS_BRIDGE_CTRL	0x3e	/* Bridge control, 2 bytes */
133 #define	PCI_CBUS_SUBVENID	0x40	/* Subsystem Vendor ID, 2 bytes */
134 #define	PCI_CBUS_SUBSYSID	0x42	/* Subsystem ID, 2 bytes */
135 #define	PCI_CBUS_LEG_MODE_ADDR	0x44	/* PCCard 16bit IF legacy mode addr */
136 
137 #define	PCI_CBUS_BASE_NUM	0x1	/* number of base registers */
138 
139 /*
140  * PCI command register bits
141  */
142 #define	PCI_COMM_IO		0x1	/* I/O access enable */
143 #define	PCI_COMM_MAE		0x2	/* memory access enable */
144 #define	PCI_COMM_ME		0x4	/* master enable */
145 #define	PCI_COMM_SPEC_CYC	0x8
146 #define	PCI_COMM_MEMWR_INVAL	0x10
147 #define	PCI_COMM_PALETTE_SNOOP	0x20
148 #define	PCI_COMM_PARITY_DETECT	0x40
149 #define	PCI_COMM_WAIT_CYC_ENAB	0x80
150 #define	PCI_COMM_SERR_ENABLE	0x100
151 #define	PCI_COMM_BACK2BACK_ENAB	0x200
152 #define	PCI_COMM_INTX_DISABLE	0x400	/* INTx emulation disable */
153 
154 /*
155  * PCI Interrupt pin value
156  */
157 #define	PCI_INTA	1
158 #define	PCI_INTB	2
159 #define	PCI_INTC	3
160 #define	PCI_INTD	4
161 
162 /*
163  * PCI status register bits
164  */
165 #define	PCI_STAT_INTR		0x8	/* Interrupt state */
166 #define	PCI_STAT_CAP		0x10	/* Implements Capabilities */
167 #define	PCI_STAT_66MHZ		0x20	/* 66 MHz capable */
168 #define	PCI_STAT_UDF		0x40	/* UDF supported */
169 #define	PCI_STAT_FBBC		0x80	/* Fast Back-to-Back Capable */
170 #define	PCI_STAT_S_PERROR	0x100	/* Data Parity Reported */
171 #define	PCI_STAT_DEVSELT	0x600	/* Device select timing */
172 #define	PCI_STAT_S_TARG_AB	0x800	/* Signaled Target Abort */
173 #define	PCI_STAT_R_TARG_AB	0x1000	/* Received Target Abort */
174 #define	PCI_STAT_R_MAST_AB	0x2000	/* Received Master Abort */
175 #define	PCI_STAT_S_SYSERR	0x4000	/* Signaled System Error */
176 #define	PCI_STAT_PERROR		0x8000	/* Detected Parity Error */
177 
178 /*
179  * DEVSEL timing values
180  */
181 #define	PCI_STAT_DEVSELT_FAST	0x0000
182 #define	PCI_STAT_DEVSELT_MEDIUM	0x0200
183 #define	PCI_STAT_DEVSELT_SLOW	0x0400
184 
185 /*
186  * BIST values
187  */
188 #define	PCI_BIST_SUPPORTED	0x80
189 #define	PCI_BIST_GO		0x40
190 #define	PCI_BIST_RESULT_M	0x0f
191 #define	PCI_BIST_RESULT_OK	0x00
192 
193 /*
194  * PCI class codes
195  */
196 #define	PCI_CLASS_NONE		0x0	/* class code for pre-2.0 devices */
197 #define	PCI_CLASS_MASS		0x1	/* Mass storage Controller class */
198 #define	PCI_CLASS_NET		0x2	/* Network Controller class */
199 #define	PCI_CLASS_DISPLAY	0x3	/* Display Controller class */
200 #define	PCI_CLASS_MM		0x4	/* Multimedia Controller class */
201 #define	PCI_CLASS_MEM		0x5	/* Memory Controller class */
202 #define	PCI_CLASS_BRIDGE	0x6	/* Bridge Controller class */
203 #define	PCI_CLASS_COMM		0x7	/* Communications Controller class */
204 #define	PCI_CLASS_PERIPH	0x8	/* Peripheral Controller class */
205 #define	PCI_CLASS_INPUT		0x9	/* Input Device class */
206 #define	PCI_CLASS_DOCK		0xa	/* Docking Station class */
207 #define	PCI_CLASS_PROCESSOR	0xb	/* Processor class */
208 #define	PCI_CLASS_SERIALBUS	0xc	/* Serial Bus class */
209 #define	PCI_CLASS_WIRELESS	0xd	/* Wireless Controller class */
210 #define	PCI_CLASS_INTIO		0xe	/* Intelligent IO Controller class */
211 #define	PCI_CLASS_SATELLITE	0xf	/* Satellite Communication class */
212 #define	PCI_CLASS_CRYPT		0x10	/* Encrytion/Decryption class */
213 #define	PCI_CLASS_SIGNAL	0x11	/* Signal Processing class */
214 
215 /*
216  * PCI Sub-class codes - base class 0x0 (no new devices should use this code).
217  */
218 #define	PCI_NONE_NOTVGA		0x0	/* All devices except VGA compatible */
219 #define	PCI_NONE_VGA		0x1	/* VGA compatible */
220 
221 /*
222  * PCI Sub-class codes - base class 0x1 (mass storage controllers)
223  */
224 #define	PCI_MASS_SCSI		0x0	/* SCSI bus Controller */
225 #define	PCI_MASS_IDE		0x1	/* IDE Controller */
226 #define	PCI_MASS_FD		0x2	/* Floppy disk Controller */
227 #define	PCI_MASS_IPI		0x3	/* IPI bus Controller */
228 #define	PCI_MASS_RAID		0x4	/* RAID Controller */
229 #define	PCI_MASS_ATA		0x5	/* ATA Controller */
230 #define	PCI_MASS_SATA		0x6	/* Serial ATA */
231 #define	PCI_MASS_SAS		0x7	/* Serial Attached SCSI (SAS) Cntrlr */
232 #define	PCI_MASS_OTHER		0x80	/* Other Mass Storage Controller */
233 
234 /*
235  * programming interface for IDE (subclass 1)
236  */
237 #define	PCI_IDE_IF_NATIVE_PRI	0x1	/* primary channel is native */
238 #define	PCI_IDE_IF_PROG_PRI	0x2	/* primary can operate in either mode */
239 #define	PCI_IDE_IF_NATIVE_SEC	0x4	/* secondary channel is native */
240 #define	PCI_IDE_IF_PROG_SEC	0x8	/* sec. can operate in either mode */
241 #define	PCI_IDE_IF_MASK		0xf	/* programming interface mask */
242 
243 
244 /*
245  * programming interface for ATA (subclass 5)
246  */
247 #define	PCI_ATA_IF_SINGLE_DMA	0x20	/* ATA controller with single DMA */
248 #define	PCI_ATA_IF_CHAINED_DMA	0x30	/* ATA controller with chained DMA */
249 
250 /*
251  * programming interface for ATA (subclass 6) for SATA
252  */
253 #define	PCI_SATA_VS_INTERFACE	0x0	/* SATA Ctlr Vendor Specific Intfc */
254 #define	PCI_SATA_AHCI_INTERFACE	0x1	/* SATA Ctlr AHCI 1.0 Interface */
255 #define	PCI_SATA_SSB_INTERFACE	0x2	/* Serial Storage Bus Interface */
256 
257 /*
258  * programming interface for ATA (subclass 7) for SAS
259  */
260 #define	PCI_SAS_CONTROLLER	0x0	/* SAS Controller */
261 #define	PCI_SAS_BUS_INTERFACE	0x1	/* Serial Storage Bus Interface */
262 
263 /*
264  * PCI Sub-class codes - base class 0x2 (Network controllers)
265  */
266 #define	PCI_NET_ENET		0x0	/* Ethernet Controller */
267 #define	PCI_NET_TOKEN		0x1	/* Token Ring Controller */
268 #define	PCI_NET_FDDI		0x2	/* FDDI Controller */
269 #define	PCI_NET_ATM		0x3	/* ATM Controller */
270 #define	PCI_NET_ISDN		0x4	/* ISDN Controller */
271 #define	PCI_NET_WFIP		0x5	/* WorldFip Controller */
272 #define	PCI_NET_PICMG		0x6	/* PICMG 2.14 Multi Computing */
273 #define	PCI_NET_OTHER		0x80	/* Other Network Controller */
274 
275 /*
276  * PCI Sub-class codes - base class 03 (display controllers)
277  */
278 #define	PCI_DISPLAY_VGA		0x0	/* VGA device */
279 #define	PCI_DISPLAY_XGA		0x1	/* XGA device */
280 #define	PCI_DISPLAY_3D		0x2	/* 3D controller */
281 #define	PCI_DISPLAY_OTHER	0x80	/* Other Display Device */
282 
283 /*
284  * programming interface for display for display class (subclass 0) VGA ctrlrs
285  */
286 #define	PCI_DISPLAY_IF_VGA	0x0	/* VGA compatible */
287 #define	PCI_DISPLAY_IF_8514	0x1	/* 8514 compatible */
288 
289 /*
290  * PCI Sub-class codes - base class 0x4 (multi-media devices)
291  */
292 #define	PCI_MM_VIDEO		0x0	/* Video device */
293 #define	PCI_MM_AUDIO		0x1	/* Audio device */
294 #define	PCI_MM_TELEPHONY	0x2	/* Computer Telephony device */
295 #define	PCI_MM_MIXED_MODE	0x3	/* Mixed Mode device */
296 #define	PCI_MM_OTHER		0x80	/* Other Multimedia Device */
297 
298 /*
299  * PCI Sub-class codes - base class 0x5 (memory controllers)
300  */
301 #define	PCI_MEM_RAM		0x0	/* RAM device */
302 #define	PCI_MEM_FLASH		0x1	/* FLASH device */
303 #define	PCI_MEM_OTHER		0x80	/* Other Memory Controller */
304 
305 /*
306  * PCI Sub-class codes - base class 0x6 (Bridge devices)
307  */
308 #define	PCI_BRIDGE_HOST		0x0	/* Host/PCI Bridge */
309 #define	PCI_BRIDGE_ISA		0x1	/* PCI/ISA Bridge */
310 #define	PCI_BRIDGE_EISA		0x2	/* PCI/EISA Bridge */
311 #define	PCI_BRIDGE_MC		0x3	/* PCI/MC Bridge */
312 #define	PCI_BRIDGE_PCI		0x4	/* PCI/PCI Bridge */
313 #define	PCI_BRIDGE_PCMCIA	0x5	/* PCI/PCMCIA Bridge */
314 #define	PCI_BRIDGE_NUBUS	0x6	/* PCI/NUBUS Bridge */
315 #define	PCI_BRIDGE_CARDBUS	0x7	/* PCI/CARDBUS Bridge */
316 #define	PCI_BRIDGE_RACE		0x8	/* RACE-way Bridge */
317 #define	PCI_BRIDGE_STPCI	0x9	/* Semi-transparent PCI/PCI Bridge */
318 #define	PCI_BRIDGE_IB		0xA	/* InfiniBand/PCI host Bridge */
319 #define	PCI_BRIDGE_AS		0xB	/* AS/PCI host Bridge */
320 #define	PCI_BRIDGE_OTHER	0x80	/* PCI/Other Bridge Device */
321 
322 /*
323  * programming interface for Bridges class 0x6 (subclass 4) PCI-PCI bridge
324  */
325 #define	PCI_BRIDGE_PCI_IF_PCI2PCI	0x0	/* PCI-PCI bridge */
326 #define	PCI_BRIDGE_PCI_IF_SUBDECODE	0x1	/* Subtractive Decode */
327 						/* PCI/PCI bridge */
328 
329 /*
330  * programming interface for Bridges class 0x6 (subclass 08) RACEway bridge
331  */
332 #define	PCI_BRIDGE_RACE_IF_TRANSPARENT	0x0	/* Transport mode */
333 #define	PCI_BRIDGE_RACE_IF_ENDPOINT	0x1	/* Endpoint mode */
334 
335 /*
336  * programming interface for Bridges class 0x6 (subclass 09)
337  * Semi-transparent PCI-to-PCI bridge
338  */
339 #define	PCI_BRIDGE_STPCI_IF_PRIMARY	0x40	/* primary PCI side bus */
340 						/* facing system processor */
341 #define	PCI_BRIDGE_STPCI_IF_SECONDARY	0x80	/* secondary PCI side bus */
342 						/* facing system processor */
343 
344 /*
345  * programming interface for Bridges class 0x6 (subclass 0B) AS bridge
346  */
347 #define	PCI_BRIDGE_AS_CUSTOM_INTFC	0x0	/* Custom interface */
348 #define	PCI_BRIDGE_AS_PORTAL_INTFC	0x1	/* ASI-SIG Portal Interface */
349 
350 /*
351  * PCI Sub-class codes - base class 0x7 (communication devices)
352  */
353 #define	PCI_COMM_GENERIC_XT	0x0	/* XT Compatible Serial Controller */
354 #define	PCI_COMM_PARALLEL	0x1	/* Parallel Port Controller */
355 #define	PCI_COMM_MSC		0x2	/* Multiport Serial Controller */
356 #define	PCI_COMM_MODEM		0x3	/* Modem Controller */
357 #define	PCI_COMM_GPIB		0x4	/* GPIB Controller */
358 #define	PCI_COMM_SMARTCARD	0x5	/* Smart Card Controller */
359 #define	PCI_COMM_OTHER		0x80	/* Other Communications Controller */
360 
361 /*
362  * Programming interfaces for class 0x7 / subclass 0x0 (Serial)
363  */
364 #define	PCI_COMM_SERIAL_IF_GENERIC	0x0	/* Generic XT-compat serial */
365 #define	PCI_COMM_SERIAL_IF_16450	0x1	/* 16450-compat serial ctrlr */
366 #define	PCI_COMM_SERIAL_IF_16550	0x2	/* 16550-compat serial ctrlr */
367 #define	PCI_COMM_SERIAL_IF_16650	0x3	/* 16650-compat serial ctrlr */
368 #define	PCI_COMM_SERIAL_IF_16750	0x4	/* 16750-compat serial ctrlr */
369 #define	PCI_COMM_SERIAL_IF_16850	0x5	/* 16850-compat serial ctrlr */
370 #define	PCI_COMM_SERIAL_IF_16950	0x6	/* 16950-compat serial ctrlr */
371 
372 /*
373  * Programming interfaces for class 0x7 / subclass 0x1 (Parallel)
374  */
375 #define	PCI_COMM_PARALLEL_IF_GENERIC	0x0	/* Generic Parallel port */
376 #define	PCI_COMM_PARALLEL_IF_BIDIRECT	0x1	/* Bi-directional Parallel */
377 #define	PCI_COMM_PARALLEL_IF_ECP	0x2	/* ECP 1.X Parallel port */
378 #define	PCI_COMM_PARALLEL_IF_1284	0x3	/* IEEE 1284 Parallel port */
379 #define	PCI_COMM_PARALLEL_IF_1284_TARG	0xFE	/* IEEE 1284 target device */
380 
381 /*
382  * Programming interfaces for class 0x7 / subclass 0x3 (Modem)
383  */
384 #define	PCI_COMM_MODEM_IF_GENERIC	0x0	/* Generic Modem */
385 #define	PCI_COMM_MODEM_IF_HAYES_16450	0x1	/* Hayes 16450-compat Modem */
386 #define	PCI_COMM_MODEM_IF_HAYES_16550	0x2	/* Hayes 16550-compat Modem */
387 #define	PCI_COMM_MODEM_IF_HAYES_16650	0x3	/* Hayes 16650-compat Modem */
388 #define	PCI_COMM_MODEM_IF_HAYES_16750	0x4	/* Hayes 16750-compat Modem */
389 
390 /*
391  * PCI Sub-class codes - base class 0x8
392  */
393 #define	PCI_PERIPH_PIC		0x0	/* Generic PIC */
394 #define	PCI_PERIPH_DMA		0x1	/* Generic DMA Controller */
395 #define	PCI_PERIPH_TIMER	0x2	/* Generic System Timer Controller */
396 #define	PCI_PERIPH_RTC		0x3	/* Generic RTC Controller */
397 #define	PCI_PERIPH_HPC		0x4	/* Generic PCI Hot-Plug Controller */
398 #define	PCI_PERIPH_SD_HC	0x5	/* SD Host Controller */
399 #define	PCI_PERIPH_IOMMU	0x6	/* IOMMU */
400 #define	PCI_PERIPH_OTHER	0x80	/* Other System Peripheral */
401 
402 /*
403  * Programming interfaces for class 0x8 / subclass 0x0 (interrupt controller)
404  */
405 #define	PCI_PERIPH_PIC_IF_GENERIC	0x0	/* Generic 8259 APIC */
406 #define	PCI_PERIPH_PIC_IF_ISA		0x1	/* ISA PIC */
407 #define	PCI_PERIPH_PIC_IF_EISA		0x2	/* EISA PIC */
408 #define	PCI_PERIPH_PIC_IF_IO_APIC	0x10	/* I/O APIC interrupt ctrlr */
409 #define	PCI_PERIPH_PIC_IF_IOX_APIC	0x20	/* I/O(x) APIC intr ctrlr */
410 
411 /*
412  * Programming interfaces for class 0x8 / subclass 0x1 (DMA controller)
413  */
414 #define	PCI_PERIPH_DMA_IF_GENERIC	0x0	/* Generic 8237 DMA ctrlr */
415 #define	PCI_PERIPH_DMA_IF_ISA		0x1	/* ISA DMA ctrlr */
416 #define	PCI_PERIPH_DMA_IF_EISA		0x2	/* EISA DMA ctrlr */
417 
418 /*
419  * Programming interfaces for class 0x8 / subclass 0x2 (timer)
420  */
421 #define	PCI_PERIPH_TIMER_IF_GENERIC	0x0	/* Generic 8254 system timer */
422 #define	PCI_PERIPH_TIMER_IF_ISA		0x1	/* ISA system timers */
423 #define	PCI_PERIPH_TIMER_IF_EISA	0x2	/* EISA system timers (two) */
424 #define	PCI_PERIPH_TIMER_IF_HPET	0x3	/* High Perf Event timer */
425 
426 /*
427  * Programming interfaces for class 0x8 / subclass 0x3 (realtime clock)
428  */
429 #define	PCI_PERIPH_RTC_IF_GENERIC	0x0	/* Generic RTC controller */
430 #define	PCI_PERIPH_RTC_IF_ISA		0x1	/* ISA RTC controller */
431 
432 /*
433  * PCI Sub-class codes - base class 0x9
434  */
435 #define	PCI_INPUT_KEYBOARD	0x0	/* Keyboard Controller */
436 #define	PCI_INPUT_DIGITIZ	0x1	/* Digitizer (Pen) */
437 #define	PCI_INPUT_MOUSE		0x2	/* Mouse Controller */
438 #define	PCI_INPUT_SCANNER	0x3	/* Scanner Controller */
439 #define	PCI_INPUT_GAMEPORT	0x4	/* Gameport Controller */
440 #define	PCI_INPUT_OTHER		0x80	/* Other Input Controller */
441 
442 /*
443  * Programming interfaces for class 0x9 / subclass 0x4 (Gameport controller)
444  */
445 #define	PCI_INPUT_GAMEPORT_IF_GENERIC	0x00	/* Generic controller */
446 #define	PCI_INPUT_GAMEPORT_IF_LEGACY	0x10	/* Legacy controller */
447 
448 /*
449  * PCI Sub-class codes - base class 0xA
450  */
451 #define	PCI_DOCK_GENERIC	0x00	/* Generic Docking Station */
452 #define	PCI_DOCK_OTHER		0x80	/* Other Type of Docking Station */
453 
454 /*
455  * PCI Sub-class codes - base class 0xB
456  */
457 #define	PCI_PROCESSOR_386	0x0	/* 386 */
458 #define	PCI_PROCESSOR_486	0x1	/* 486 */
459 #define	PCI_PROCESSOR_PENT	0x2	/* Pentium */
460 #define	PCI_PROCESSOR_ALPHA	0x10	/* Alpha */
461 #define	PCI_PROCESSOR_POWERPC	0x20	/* PowerPC */
462 #define	PCI_PROCESSOR_MIPS	0x30	/* MIPS */
463 #define	PCI_PROCESSOR_COPROC	0x40	/* Co-processor */
464 #define	PCI_PROCESSOR_OTHER	0x80	/* Other processors */
465 
466 /*
467  * PCI Sub-class codes - base class 0xC (Serial Controllers)
468  */
469 #define	PCI_SERIAL_FIRE		0x0	/* FireWire (IEEE 1394) */
470 #define	PCI_SERIAL_ACCESS	0x1	/* ACCESS.bus */
471 #define	PCI_SERIAL_SSA		0x2	/* SSA */
472 #define	PCI_SERIAL_USB		0x3	/* Universal Serial Bus */
473 #define	PCI_SERIAL_FIBRE	0x4	/* Fibre Channel */
474 #define	PCI_SERIAL_SMBUS	0x5	/* System Management Bus */
475 #define	PCI_SERIAL_IB		0x6	/* InfiniBand */
476 #define	PCI_SERIAL_IPMI		0x7	/* IPMI */
477 #define	PCI_SERIAL_SERCOS	0x8	/* SERCOS Interface Std (IEC 61491) */
478 #define	PCI_SERIAL_CANBUS	0x9	/* CANbus */
479 #define	PCI_SERIAL_OTHER	0x80	/* Other Serial Bus Controllers */
480 
481 /*
482  * Programming interfaces for class 0xC / subclass 0x0 (Firewire)
483  */
484 #define	PCI_SERIAL_FIRE_WIRE  		0x00	/* IEEE 1394 (Firewire) */
485 #define	PCI_SERIAL_FIRE_1394_HCI 	0x10	/* 1394 OpenHCI Host Cntrlr */
486 
487 /*
488  * Programming interfaces for class 0xC / subclass 0x3 (USB controller)
489  */
490 #define	PCI_SERIAL_USB_IF_UHCI 		0x00	/* UHCI Compliant */
491 #define	PCI_SERIAL_USB_IF_OHCI 		0x10	/* OHCI Compliant */
492 #define	PCI_SERIAL_USB_IF_EHCI 		0x20	/* EHCI Compliant */
493 #define	PCI_SERIAL_USB_IF_GENERIC 	0x80	/* no specific HCD */
494 #define	PCI_SERIAL_USB_IF_DEVICE 	0xFE	/* not a HCD */
495 
496 /*
497  * Programming interfaces for class 0xC / subclass 0x7 (IPMI controller)
498  */
499 #define	PCI_SERIAL_IPMI_IF_SMIC 	0x0	/* SMIC Interface */
500 #define	PCI_SERIAL_IPMI_IF_KBD 		0x1	/* Keyboard Ctrl Style Intfc */
501 #define	PCI_SERIAL_IPMI_IF_BTI		0x2	/* Block Transfer Interface */
502 
503 /*
504  * PCI Sub-class codes - base class 0xD (Wireless controllers)
505  */
506 #define	PCI_WIRELESS_IRDA		0x0	/* iRDA Compatible Controller */
507 #define	PCI_WIRELESS_IR			0x1	/* Consumer IR Controller */
508 #define	PCI_WIRELESS_RF			0x10	/* RF Controller */
509 #define	PCI_WIRELESS_BLUETOOTH		0x11	/* Bluetooth Controller */
510 #define	PCI_WIRELESS_BROADBAND		0x12	/* Broadband Controller */
511 #define	PCI_WIRELESS_80211A		0x20	/* Ethernet 802.11a 5 GHz */
512 #define	PCI_WIRELESS_80211B		0x21	/* Ethernet 802.11b 2.4 GHz */
513 #define	PCI_WIRELESS_OTHER		0x80	/* Other Wireless Controllers */
514 
515 /*
516  * Programming interfaces for class 0xD / subclass 0x1 (Consumer IR controller)
517  */
518 #define	PCI_WIRELESS_IR_CONSUMER 	0x00	/* Consumer IR Controller */
519 #define	PCI_WIRELESS_IR_UWB_RC 		0x10	/* UWB Radio Controller */
520 
521 /*
522  * PCI Sub-class codes - base class 0xE (Intelligent I/O controllers)
523  */
524 #define	PCI_INTIO_MSG_FIFO		0x0	/* Message FIFO at off 40h */
525 #define	PCI_INTIO_I20			0x1	/* I20 Arch Spec 1.0 */
526 
527 /*
528  * PCI Sub-class codes - base class 0xF (Satellite Communication controllers)
529  */
530 #define	PCI_SATELLITE_COMM_TV		0x01	/* TV */
531 #define	PCI_SATELLITE_COMM_AUDIO	0x02	/* Audio */
532 #define	PCI_SATELLITE_COMM_VOICE	0x03	/* Voice */
533 #define	PCI_SATELLITE_COMM_DATA		0x04	/* DATA */
534 #define	PCI_SATELLITE_COMM_OTHER	0x80	/* Other Satelite Comm Cntrlr */
535 
536 /*
537  * PCI Sub-class codes - base class 0x10 (Encryption/Decryption controllers)
538  */
539 #define	PCI_CRYPT_NETWORK		0x00	/* Network and Computing */
540 #define	PCI_CRYPT_ENTERTAINMENT		0x10	/* Entertainment en/decrypt */
541 #define	PCI_CRYPT_OTHER			0x80	/* Other en/decryption ctrlrs */
542 
543 /*
544  * PCI Sub-class codes - base class 0x11 (Signal Processing controllers)
545  */
546 #define	PCI_SIGNAL_DPIO			0x00	/* DPIO modules */
547 #define	PCI_SIGNAL_PERF_COUNTERS	0x01	/* Performance counters */
548 #define	PCI_SIGNAL_COMM_SYNC		0x10	/* Comm. synchronization plus */
549 						/* time and freq test ctrlr */
550 #define	PCI_SIGNAL_MANAGEMENT		0x20	/* Management card */
551 #define	PCI_SIGNAL_OTHER		0x80	/* DSP/DAP controller */
552 
553 /* PCI header decode */
554 #define	PCI_HEADER_MULTI	0x80	/* multi-function device */
555 #define	PCI_HEADER_ZERO		0x00	/* type zero PCI header */
556 #define	PCI_HEADER_ONE		0x01	/* type one PCI header */
557 #define	PCI_HEADER_TWO		0x02	/* type two PCI header */
558 #define	PCI_HEADER_PPB		PCI_HEADER_ONE  /* type one PCI to PCI Bridge */
559 #define	PCI_HEADER_CARDBUS	PCI_HEADER_TWO	/* type one PCI header */
560 
561 #define	PCI_HEADER_TYPE_M	0x7f  /* type mask for header */
562 
563 /*
564  * Base register bit definitions.
565  */
566 #define	PCI_BASE_SPACE_M    0x1  /* memory space indicator */
567 #define	PCI_BASE_SPACE_IO   0x1   /* IO space */
568 #define	PCI_BASE_SPACE_MEM  0x0   /* memory space */
569 
570 #define	PCI_BASE_TYPE_MEM   0x0   /* 32-bit memory address */
571 #define	PCI_BASE_TYPE_LOW   0x2   /* less than 1Mb address */
572 #define	PCI_BASE_TYPE_ALL   0x4   /* 64-bit memory address */
573 #define	PCI_BASE_TYPE_RES   0x6   /* reserved */
574 
575 #define	PCI_BASE_TYPE_M		0x00000006  /* type indicator mask */
576 #define	PCI_BASE_PREF_M		0x00000008  /* prefetch mask */
577 #define	PCI_BASE_M_ADDR_M	0xfffffff0  /* memory address mask */
578 #define	PCI_BASE_IO_ADDR_M	0xfffffffe  /* I/O address mask */
579 
580 #define	PCI_BASE_ROM_ADDR_M	0xfffff800  /* ROM address mask */
581 #define	PCI_BASE_ROM_ENABLE	0x00000001  /* ROM decoder enable */
582 
583 /*
584  * Capabilities linked list entry offsets
585  */
586 #define	PCI_CAP_ID		0x0	/* capability identifier, 1 byte */
587 #define	PCI_CAP_NEXT_PTR	0x1	/* next entry pointer, 1 byte */
588 #define	PCI_CAP_ID_REGS_OFF	0x2	/* cap id register offset */
589 #define	PCI_CAP_MAX_PTR		0x30	/* maximum number of cap pointers */
590 #define	PCI_CAP_PTR_OFF		0x40	/* minimum cap pointer offset */
591 #define	PCI_CAP_PTR_MASK	0xFC	/* mask for capability pointer */
592 
593 /*
594  * Capability identifier values
595  */
596 #define	PCI_CAP_ID_PM		0x1	/* power management entry */
597 #define	PCI_CAP_ID_AGP		0x2	/* AGP supported */
598 #define	PCI_CAP_ID_VPD		0x3	/* VPD supported */
599 #define	PCI_CAP_ID_SLOT_ID	0x4	/* Slot Identification supported */
600 #define	PCI_CAP_ID_MSI		0x5	/* MSI supported */
601 #define	PCI_CAP_ID_cPCI_HS	0x6	/* CompactPCI Host Swap supported */
602 #define	PCI_CAP_ID_PCIX		0x7	/* PCI-X supported */
603 #define	PCI_CAP_ID_HT		0x8	/* HyperTransport supported */
604 #define	PCI_CAP_ID_VS		0x9	/* Vendor Specific */
605 #define	PCI_CAP_ID_DEBUG_PORT	0xA	/* Debug Port supported */
606 #define	PCI_CAP_ID_cPCI_CRC	0xB	/* CompactPCI central resource ctrl */
607 #define	PCI_CAP_ID_PCI_HOTPLUG	0xC	/* PCI Hot Plug supported */
608 #define	PCI_CAP_ID_P2P_SUBSYS	0xD	/* PCI bridge Sub-system ID */
609 #define	PCI_CAP_ID_AGP_8X	0xE	/* AGP 8X supported */
610 #define	PCI_CAP_ID_SECURE_DEV	0xF	/* Secure Device supported */
611 #define	PCI_CAP_ID_PCI_E	0x10	/* PCI Express supported */
612 #define	PCI_CAP_ID_MSI_X	0x11	/* MSI-X supported */
613 #define	PCI_CAP_ID_SATA		0x12	/* SATA Data/Index Config supported */
614 #define	PCI_CAP_ID_FLR		0x13	/* Function Level Reset supported */
615 
616 /*
617  * Capability next entry pointer values
618  */
619 #define	PCI_CAP_NEXT_PTR_NULL	0x0	/* no more entries in the list */
620 
621 /*
622  * PCI power management (PM) capability entry offsets
623  */
624 #define	PCI_PMCAP		0x2	/* PM capabilities, 2 bytes */
625 #define	PCI_PMCSR		0x4	/* PM control/status reg, 2 bytes */
626 #define	PCI_PMCSR_BSE		0x6	/* PCI-PCI bridge extensions, 1 byte */
627 #define	PCI_PMDATA		0x7	/* PM data, 1 byte */
628 
629 /*
630  * PM capabilities values - 2 bytes
631  */
632 #define	PCI_PMCAP_VER_1_0	0x1	/* PCI PM spec 1.0 */
633 #define	PCI_PMCAP_VER_1_1	0x2	/* PCI PM spec 1.1 */
634 #define	PCI_PMCAP_VER_MASK	0x7	/* version mask */
635 #define	PCI_PMCAP_PME_CLOCK	0x8	/* needs PCI clock for PME */
636 #define	PCI_PMCAP_DSI		0x20	/* needs device specific init */
637 #define	PCI_PMCAP_AUX_CUR_SELF	0x0	/* 0 aux current - self powered */
638 #define	PCI_PMCAP_AUX_CUR_55mA	0x40	/* 55 mA aux current */
639 #define	PCI_PMCAP_AUX_CUR_100mA	0x80	/* 100 mA aux current */
640 #define	PCI_PMCAP_AUX_CUR_160mA	0xc0	/* 160 mA aux current */
641 #define	PCI_PMCAP_AUX_CUR_220mA	0x100	/* 220 mA aux current */
642 #define	PCI_PMCAP_AUX_CUR_270mA	0x140	/* 270 mA aux current */
643 #define	PCI_PMCAP_AUX_CUR_320mA	0x180	/* 320 mA aux current */
644 #define	PCI_PMCAP_AUX_CUR_375mA	0x1c0	/* 375 mA aux current */
645 #define	PCI_PMCAP_AUX_CUR_MASK	0x1c0	/* 3.3Vaux aux current needs */
646 #define	PCI_PMCAP_D1		0x200	/* D1 state supported */
647 #define	PCI_PMCAP_D2		0x400	/* D2 state supported */
648 #define	PCI_PMCAP_D0_PME	0x800	/* PME from D0 */
649 #define	PCI_PMCAP_D1_PME	0x1000	/* PME from D1 */
650 #define	PCI_PMCAP_D2_PME	0x2000	/* PME from D2 */
651 #define	PCI_PMCAP_D3HOT_PME	0x4000	/* PME from D3hot */
652 #define	PCI_PMCAP_D3COLD_PME	0x8000	/* PME from D3cold */
653 #define	PCI_PMCAP_PME_MASK	0xf800	/* PME support mask */
654 
655 /*
656  * PM control/status values - 2 bytes
657  */
658 #define	PCI_PMCSR_D0			0x0	/* power state D0 */
659 #define	PCI_PMCSR_D1			0x1	/* power state D1 */
660 #define	PCI_PMCSR_D2			0x2	/* power state D2 */
661 #define	PCI_PMCSR_D3HOT			0x3	/* power state D3hot */
662 #define	PCI_PMCSR_STATE_MASK		0x3	/* power state mask */
663 #define	PCI_PMCSR_PME_EN		0x100	/* enable PME assertion */
664 #define	PCI_PMCSR_DSEL_D0_PWR_C		0x0	/* D0 power consumed */
665 #define	PCI_PMCSR_DSEL_D1_PWR_C		0x200	/* D1 power consumed */
666 #define	PCI_PMCSR_DSEL_D2_PWR_C		0x400	/* D2 power consumed */
667 #define	PCI_PMCSR_DSEL_D3_PWR_C		0x600	/* D3 power consumed */
668 #define	PCI_PMCSR_DSEL_D0_PWR_D		0x800	/* D0 power dissipated */
669 #define	PCI_PMCSR_DSEL_D1_PWR_D		0xa00	/* D1 power dissipated */
670 #define	PCI_PMCSR_DSEL_D2_PWR_D		0xc00	/* D2 power dissipated */
671 #define	PCI_PMCSR_DSEL_D3_PWR_D		0xe00	/* D3 power dissipated */
672 #define	PCI_PMCSR_DSEL_COM_C		0x1000	/* common power consumption */
673 #define	PCI_PMCSR_DSEL_MASK		0x1e00	/* data select mask */
674 #define	PCI_PMCSR_DSCL_UNKNOWN		0x0	/* data scale unknown */
675 #define	PCI_PMCSR_DSCL_1_BY_10		0x2000	/* data scale 0.1x */
676 #define	PCI_PMCSR_DSCL_1_BY_100		0x4000	/* data scale 0.01x */
677 #define	PCI_PMCSR_DSCL_1_BY_1000	0x6000	/* data scale 0.001x */
678 #define	PCI_PMCSR_DSCL_MASK		0x6000	/* data scale mask */
679 #define	PCI_PMCSR_PME_STAT		0x8000	/* PME status */
680 
681 /*
682  * PM PMCSR PCI to PCI bridge support extension values - 1 byte
683  */
684 #define	PCI_PMCSR_BSE_B2_B3	0x40	/* bridge D3hot -> secondary B2 */
685 #define	PCI_PMCSR_BSE_BPCC_EN	0x80	/* bus power/clock control enabled */
686 
687 /*
688  * PCI-X capability related definitions
689  */
690 #define	PCI_PCIX_COMMAND	0x2	/* Command register offset */
691 #define	PCI_PCIX_STATUS		0x4	/* Status register offset */
692 #define	PCI_PCIX_ECC_STATUS	0x8	/* ECC Status register offset */
693 #define	PCI_PCIX_ECC_FST_AD	0xC	/* ECC First address register offset */
694 #define	PCI_PCIX_ECC_SEC_AD	0x10	/* ECC Second address register offset */
695 #define	PCI_PCIX_ECC_ATTR	0x14	/* ECC Attribute register offset */
696 
697 /*
698  * PCI-X bridge capability related definitions
699  */
700 #define	PCI_PCIX_SEC_STATUS		0x2	/* Secondary Status offset */
701 #define	PCI_PCIX_SEC_STATUS_SCD		0x4	/* Split Completion Discarded */
702 #define	PCI_PCIX_SEC_STATUS_USC		0x8	/* Unexpected Split Complete */
703 #define	PCI_PCIX_SEC_STATUS_SCO		0x10	/* Split Completion Overrun */
704 #define	PCI_PCIX_SEC_STATUS_SRD		0x20	/* Split Completion Delayed */
705 #define	PCI_PCIX_SEC_STATUS_ERR_MASK	0x3C
706 
707 #define	PCI_PCIX_BDG_STATUS		0x4	/* Bridge Status offset */
708 #define	PCI_PCIX_BDG_STATUS_USC		0x80000
709 #define	PCI_PCIX_BDG_STATUS_SCO		0x100000
710 #define	PCI_PCIX_BDG_STATUS_SRD		0x200000
711 #define	PCI_PCIX_BDG_STATUS_ERR_MASK	0x380000
712 
713 #define	PCI_PCIX_UP_SPL_CTL	0x8	/* Upstream split ctrl reg offset */
714 #define	PCI_PCIX_DOWN_SPL_CTL	0xC	/* Downstream split ctrl reg offset */
715 #define	PCI_PCIX_BDG_ECC_STATUS	0x10	/* ECC Status register offset */
716 #define	PCI_PCIX_BDG_ECC_FST_AD	0x14	/* ECC First address register offset */
717 #define	PCI_PCIX_BDG_ECC_SEC_AD	0x18	/* ECC Second address register offset */
718 #define	PCI_PCIX_BDG_ECC_ATTR	0x1C	/* ECC Attribute register offset */
719 
720 /*
721  * PCIX capabilities values
722  */
723 #define	PCI_PCIX_VER_MASK	0x3000	/* Bits 12 and 13 */
724 #define	PCI_PCIX_VER_0		0x0000	/* PCIX cap list item version 0 */
725 #define	PCI_PCIX_VER_1		0x1000	/* PCIX cap list item version 1 */
726 #define	PCI_PCIX_VER_2		0x2000	/* PCIX cap list item version 2 */
727 
728 #define	PCI_PCIX_SPL_DSCD	0x40000 /* Split Completion Discarded */
729 #define	PCI_PCIX_UNEX_SPL	0x80000	/* Unexpected Split Completion */
730 #define	PCI_PCIX_RX_SPL_MSG	0x20000000 /* Recieved Spl Comp Error Message */
731 
732 #define	PCI_PCIX_ECC_SEL	0x1	/* Secondary ECC register select */
733 #define	PCI_PCIX_ECC_EP		0x2	/* Error Present on other side */
734 #define	PCI_PCIX_ECC_S_CE	0x4	/* Addl Correctable ECC Error */
735 #define	PCI_PCIX_ECC_S_UE	0x8	/* Addl Uncorrectable ECC Error */
736 #define	PCI_PCIX_ECC_PHASE	0x70	/* ECC Error Phase */
737 #define	PCI_PCIX_ECC_CORR	0x80	/* ECC Error Corrected */
738 #define	PCI_PCIX_ECC_SYN	0xff00	/* ECC Error Syndrome */
739 #define	PCI_PCIX_ECC_FST_CMD	0xf0000	 /* ECC Error First Command */
740 #define	PCI_PCIX_ECC_SEC_CMD	0xf00000 /* ECC Error Second Command */
741 #define	PCI_PCIX_ECC_UP_ATTR	0xf000000 /* ECC Error Upper Attributes */
742 
743 /*
744  * PCIX ECC Phase Values
745  */
746 #define	PCI_PCIX_ECC_PHASE_NOERR	0x0
747 #define	PCI_PCIX_ECC_PHASE_FADDR	0x1
748 #define	PCI_PCIX_ECC_PHASE_SADDR	0x2
749 #define	PCI_PCIX_ECC_PHASE_ATTR		0x3
750 #define	PCI_PCIX_ECC_PHASE_DATA32	0x4
751 #define	PCI_PCIX_ECC_PHASE_DATA64	0x5
752 
753 /*
754  * PCI-X Command Encoding
755  */
756 #define	PCI_PCIX_CMD_INTR		0x0
757 #define	PCI_PCIX_CMD_SPEC		0x1
758 #define	PCI_PCIX_CMD_IORD		0x2
759 #define	PCI_PCIX_CMD_IOWR		0x3
760 #define	PCI_PCIX_CMD_DEVID		0x5
761 #define	PCI_PCIX_CMD_MEMRD_DW		0x6
762 #define	PCI_PCIX_CMD_MEMWR		0x7
763 #define	PCI_PCIX_CMD_MEMRD_BL		0x8
764 #define	PCI_PCIX_CMD_MEMWR_BL		0x9
765 #define	PCI_PCIX_CMD_CFRD		0xA
766 #define	PCI_PCIX_CMD_CFWR		0xB
767 #define	PCI_PCIX_CMD_SPL		0xC
768 #define	PCI_PCIX_CMD_DADR		0xD
769 #define	PCI_PCIX_CMD_MEMRDBL		0xE
770 #define	PCI_PCIX_CMD_MEMWRBL		0xF
771 
772 #if defined(_BIT_FIELDS_LTOH)
773 typedef struct pcix_attr {
774 	uint32_t	lbc	:8,
775 			rid	:16,
776 			tag	:5,
777 			ro	:1,
778 			ns	:1,
779 			r	:1;
780 } pcix_attr_t;
781 #elif defined(_BIT_FIELDS_HTOL)
782 typedef struct pcix_attr {
783 	uint32_t	r	:1,
784 			ns	:1,
785 			ro	:1,
786 			tag	:5,
787 			rid	:16,
788 			lbc	:8;
789 } pcix_attr_t;
790 #else
791 #error "bit field not defined"
792 #endif
793 
794 #define	PCI_PCIX_BSS_SPL_DSCD	0x4	/* Secondary split comp discarded */
795 #define	PCI_PCIX_BSS_UNEX_SPL	0x8	/* Secondary unexpected split comp */
796 #define	PCI_PCIX_BSS_SPL_OR	0x10	/* Secondary split comp overrun */
797 #define	PCI_PCIX_BSS_SPL_DLY	0x20	/* Secondary split comp delayed */
798 
799 /*
800  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 32-bit
801  */
802 #define	PCI_MSI_CTRL		0x02	/* MSI control register, 2 bytes */
803 #define	PCI_MSI_ADDR_OFFSET	0x04	/* MSI 32-bit msg address, 4 bytes */
804 #define	PCI_MSI_32BIT_DATA	0x08	/* MSI 32-bit msg data, 2 bytes */
805 #define	PCI_MSI_32BIT_MASK	0x0C	/* MSI 32-bit mask bits, 4 bytes */
806 #define	PCI_MSI_32BIT_PENDING	0x10	/* MSI 32-bit pending bits, 4 bytes */
807 
808 /*
809  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 64-bit
810  */
811 #define	PCI_MSI_64BIT_DATA	0x0C	/* MSI 64-bit msg data, 2 bytes */
812 #define	PCI_MSI_64BIT_MASKBITS	0x10	/* MSI 64-bit mask bits, 4 bytes */
813 #define	PCI_MSI_64BIT_PENDING	0x14	/* MSI 64-bit pending bits, 4 bytes */
814 
815 /*
816  * PCI Message Signalled Interrupts (MSI) capability masks and shifts
817  */
818 #define	PCI_MSI_ENABLE_BIT	0x0001	/* MSI enable mask in MSI ctrl reg */
819 #define	PCI_MSI_MMC_MASK	0x000E	/* MMC mask in MSI ctrl reg */
820 #define	PCI_MSI_MMC_SHIFT	0x1	/* Shift for MMC bits */
821 #define	PCI_MSI_MME_MASK	0x0070	/* MME mask in MSI ctrl reg */
822 #define	PCI_MSI_MME_SHIFT	0x4	/* Shift for MME bits */
823 #define	PCI_MSI_64BIT_MASK	0x0080	/* 64bit support mask in MSI ctrl reg */
824 #define	PCI_MSI_PVM_MASK	0x0100	/* PVM support mask in MSI ctrl reg */
825 
826 /*
827  * PCI Extended Message Signalled Interrupts (MSI-X) capability entry offsets
828  */
829 #define	PCI_MSIX_CTRL		0x02	/* MSI-X control register, 2 bytes */
830 #define	PCI_MSIX_TBL_OFFSET	0x04	/* MSI-X table offset, 4 bytes */
831 #define	PCI_MSIX_TBL_BIR_MASK	0x0007	/* MSI-X table BIR mask */
832 #define	PCI_MSIX_PBA_OFFSET	0x08	/* MSI-X pending bit array, 4 bytes */
833 #define	PCI_MSIX_PBA_BIR_MASK	0x0007	/* MSI-X PBA BIR mask */
834 
835 #define	PCI_MSIX_TBL_SIZE_MASK	0x07FF	/* table size mask in MSI-X ctrl reg */
836 #define	PCI_MSIX_FUNCTION_MASK	0x4000	/* function mask in MSI-X ctrl reg */
837 #define	PCI_MSIX_ENABLE_BIT	0x8000	/* MSI-X enable mask in MSI-X ctl reg */
838 
839 #define	PCI_MSIX_LOWER_ADDR_OFFSET	0	/* MSI-X lower addr offset */
840 #define	PCI_MSIX_UPPER_ADDR_OFFSET	4	/* MSI-X upper addr offset */
841 #define	PCI_MSIX_DATA_OFFSET		8	/* MSI-X data offset */
842 #define	PCI_MSIX_VECTOR_CTRL_OFFSET	12	/* MSI-X vector ctrl offset */
843 #define	PCI_MSIX_VECTOR_SIZE		16	/* MSI-X size of each vector */
844 
845 /*
846  * PCI Message Signalled Interrupts: other interesting constants
847  */
848 #define	PCI_MSI_MAX_INTRS	32	/* maximum MSI interrupts supported */
849 #define	PCI_MSIX_MAX_INTRS	2048	/* maximum MSI-X interrupts supported */
850 
851 /*
852  * PCI Slot Id Capabilities, 2 bytes
853  */
854 /* Byte 1: Expansion Slot Register (ESR), Byte 2: Chassis Number Register */
855 #define	PCI_CAPSLOT_ESR_NSLOTS_MASK	0x1F	/* Number of slots mask */
856 #define	PCI_CAPSLOT_ESR_FIC		0x20	/* First In Chassis bit */
857 #define	PCI_CAPSLOT_ESR_FIC_MASK	0x01	/* First In Chassis mask */
858 #define	PCI_CAPSLOT_ESR_FIC_SHIFT	5	/* First In Chassis shift */
859 #define	PCI_CAPSLOT_FIC(esr_reg)	((esr_reg) & PCI_CAPSLOT_ESR_FIC)
860 #define	PCI_CAPSLOT_NSLOTS(esr_reg)	((esr_reg) & \
861 						PCI_CAPSLOT_ESR_NSLOTS_MASK)
862 
863 /*
864  * other interesting PCI constants
865  */
866 #define	PCI_BASE_NUM	6	/* num of base regs in configuration header */
867 #define	PCI_BAR_SZ_32	4	/* size of 32 bit base addr reg in bytes */
868 #define	PCI_BAR_SZ_64	8	/* size of 64 bit base addr reg in bytes */
869 #define	PCI_BASE_SIZE	4	/* size of base reg in bytes */
870 #define	PCI_CONF_HDR_SIZE	256	/* configuration header size */
871 #define	PCI_MAX_BUS_NUM		256		/* Maximum PCI buses allowed */
872 #define	PCI_MAX_DEVICES		32		/* Max PCI devices allowed */
873 #define	PCI_MAX_FUNCTIONS	8		/* Max PCI functions allowed */
874 #define	PCI_MAX_CHILDREN	PCI_MAX_DEVICES * PCI_MAX_FUNCTIONS
875 #define	PCI_CLK_33MHZ	(33 * 1000 * 1000)	/* 33MHz clock speed */
876 #define	PCI_CLK_66MHZ	(66 * 1000 * 1000)	/* 66MHz clock speed */
877 #define	PCI_CLK_133MHZ	(133 * 1000 * 1000)	/* 133MHz clock speed */
878 
879 /*
880  * pci bus range definition
881  */
882 typedef struct pci_bus_range {
883 	uint32_t lo;
884 	uint32_t hi;
885 } pci_bus_range_t;
886 
887 /*
888  * The following typedef is used to represent an entry in the "ranges"
889  * property of a pci hostbridge device node.
890  */
891 typedef struct pci_ranges {
892 	uint32_t child_high;
893 	uint32_t child_mid;
894 	uint32_t child_low;
895 	uint32_t parent_high;
896 	uint32_t parent_low;
897 	uint32_t size_high;
898 	uint32_t size_low;
899 } pci_ranges_t;
900 
901 /*
902  * The following typedef is used to represent an entry in the "ranges"
903  * property of a pci-pci bridge device node.
904  */
905 typedef struct {
906 	uint32_t child_high;
907 	uint32_t child_mid;
908 	uint32_t child_low;
909 	uint32_t parent_high;
910 	uint32_t parent_mid;
911 	uint32_t parent_low;
912 	uint32_t size_high;
913 	uint32_t size_low;
914 } ppb_ranges_t;
915 
916 /*
917  * This structure represents one entry of the 1275 "reg" property and
918  * "assigned-addresses" property for a PCI node.  For the "reg" property, it
919  * may be one of an arbitrary length array for devices with multiple address
920  * windows.  For the "assigned-addresses" property, it denotes an assigned
921  * physical address on the PCI bus.  It may be one entry of the six entries
922  * for devices with multiple base registers.
923  *
924  * The physical address format is:
925  *
926  *             Bit#:  33222222 22221111 11111100 00000000
927  *                    10987654 32109876 54321098 76543210
928  *
929  * pci_phys_hi cell:  np0000tt bbbbbbbb dddddfff rrrrrrrr
930  * pci_phys_mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
931  * pci_phys_low cell: llllllll llllllll llllllll llllllll
932  *
933  * n          is 0 if the address is relocatable, 1 otherwise
934  * p          is 1 if the addressable region is "prefetchable", 0 otherwise
935  * t          is 1 if the address range is aliased
936  * tt         is the type code, denoting which address space
937  * bbbbbbbb   is the 8-bit bus number
938  * ddddd      is the 5-bit device number
939  * fff        is the 3-bit function number
940  * rrrrrrrr   is the 8-bit register number
941  * hh...hhh   is the 32-bit unsigned number
942  * ll...lll   is the 32-bit unsigned number
943  *
944  * The physical size format is:
945  *
946  * pci_size_hi cell:  hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
947  * pci_size_low cell: llllllll llllllll llllllll llllllll
948  *
949  * hh...hhh   is the 32-bit unsigned number
950  * ll...lll   is the 32-bit unsigned number
951  */
952 struct pci_phys_spec {
953 	uint_t pci_phys_hi;		/* child's address, hi word */
954 	uint_t pci_phys_mid;		/* child's address, middle word */
955 	uint_t pci_phys_low;		/* child's address, low word */
956 	uint_t pci_size_hi;		/* high word of size field */
957 	uint_t pci_size_low;		/* low word of size field */
958 };
959 
960 typedef struct pci_phys_spec pci_regspec_t;
961 
962 /*
963  * PCI masks for pci_phy_hi of PCI 1275 address cell.
964  */
965 #define	PCI_REG_REG_M		0xff		/* register mask */
966 #define	PCI_REG_FUNC_M		0x700		/* function mask */
967 #define	PCI_REG_DEV_M		0xf800		/* device mask */
968 #define	PCI_REG_BUS_M		0xff0000	/* bus number mask */
969 #define	PCI_REG_ADDR_M		0x3000000	/* address space mask */
970 #define	PCI_REG_ALIAS_M		0x20000000	/* aliased bit mask */
971 #define	PCI_REG_PF_M		0x40000000	/* prefetch bit mask */
972 #define	PCI_REG_REL_M		0x80000000	/* relocation bit mask */
973 #define	PCI_REG_BDFR_M		0xffffff	/* bus, dev, func, reg mask */
974 #define	PCI_REG_EXTREG_M	0xF0000000	/* extended config bits mask */
975 
976 #define	PCI_REG_FUNC_SHIFT	8		/* Offset of function bits */
977 #define	PCI_REG_DEV_SHIFT	11		/* Offset of device bits */
978 #define	PCI_REG_BUS_SHIFT	16		/* Offset of bus bits */
979 #define	PCI_REG_ADDR_SHIFT	24		/* Offset of address bits */
980 #define	PCI_REG_EXTREG_SHIFT	28		/* Offset of ext. config bits */
981 
982 #define	PCI_REG_REG_G(x)	((x) & PCI_REG_REG_M)
983 #define	PCI_REG_FUNC_G(x)	(((x) & PCI_REG_FUNC_M) >> PCI_REG_FUNC_SHIFT)
984 #define	PCI_REG_DEV_G(x)	(((x) & PCI_REG_DEV_M) >> PCI_REG_DEV_SHIFT)
985 #define	PCI_REG_BUS_G(x)	(((x) & PCI_REG_BUS_M) >> PCI_REG_BUS_SHIFT)
986 #define	PCI_REG_ADDR_G(x)	(((x) & PCI_REG_ADDR_M) >> PCI_REG_ADDR_SHIFT)
987 #define	PCI_REG_BDFR_G(x)	((x) & PCI_REG_BDFR_M)
988 
989 /*
990  * PCI bit encodings of pci_phys_hi of PCI 1275 address cell.
991  */
992 #define	PCI_ADDR_MASK		PCI_REG_ADDR_M
993 #define	PCI_ADDR_CONFIG		0x00000000	/* configuration address */
994 #define	PCI_ADDR_IO		0x01000000	/* I/O address */
995 #define	PCI_ADDR_MEM32		0x02000000	/* 32-bit memory address */
996 #define	PCI_ADDR_MEM64		0x03000000	/* 64-bit memory address */
997 #define	PCI_ALIAS_B		PCI_REG_ALIAS_M	/* aliased bit */
998 #define	PCI_PREFETCH_B		PCI_REG_PF_M	/* prefetch bit */
999 #define	PCI_RELOCAT_B		PCI_REG_REL_M	/* non-relocatable bit */
1000 #define	PCI_CONF_ADDR_MASK	0x00ffffff	/* mask for config address */
1001 
1002 #define	PCI_HARDDEC_8514 2	/* number of reg entries for 8514 hard-decode */
1003 #define	PCI_HARDDEC_VGA	3	/* number of reg entries for VGA hard-decode */
1004 #define	PCI_HARDDEC_IDE	4	/* number of reg entries for IDE hard-decode */
1005 #define	PCI_HARDDEC_IDE_PRI 2	/* number of reg entries for IDE primary */
1006 #define	PCI_HARDDEC_IDE_SEC 2	/* number of reg entries for IDE secondary */
1007 
1008 /*
1009  * PCI Expansion ROM Header Format
1010  */
1011 #define	PCI_ROM_SIGNATURE		0x0	/* ROM Signature 0xaa55 */
1012 #define	PCI_ROM_ARCH_UNIQUE_START	0x2	/* Start of processor unique */
1013 #define	PCI_ROM_PCI_DATA_STRUCT_PTR	0x18	/* Ptr to PCI Data Structure */
1014 
1015 /*
1016  * PCI Data Structure
1017  *
1018  * The PCI Data Structure is located within the first 64KB
1019  * of the ROM image and must be DWORD aligned.
1020  */
1021 #define	PCI_PDS_SIGNATURE	0x0	/* Signature, the string 'PCIR' */
1022 #define	PCI_PDS_VENDOR_ID	0x4	/* Vendor Identification */
1023 #define	PCI_PDS_DEVICE_ID	0x6	/* Device Identification */
1024 #define	PCI_PDS_VPD_PTR		0x8	/* Pointer to Vital Product Data */
1025 #define	PCI_PDS_PDS_LENGTH	0xa	/* PCI Data Structure Length */
1026 #define	PCI_PDS_PDS_REVISION	0xc	/* PCI Data Structure Revision */
1027 #define	PCI_PDS_CLASS_CODE	0xd	/* Class Code */
1028 #define	PCI_PDS_IMAGE_LENGTH	0x10	/* Image Length in 512 byte units */
1029 #define	PCI_PDS_CODE_REVISON	0x12	/* Revision Level of Code/Data */
1030 #define	PCI_PDS_CODE_TYPE	0x14	/* Code Type */
1031 #define	PCI_PDS_INDICATOR	0x15	/* Indicates if image is last in ROM */
1032 
1033 #define	PCI_PDS_CODE_TYPE_PCAT		0x0	/* Intel x86/PC-AT Type */
1034 #define	PCI_PDS_CODE_TYPE_OPEN_FW	0x1	/* Open Firmware */
1035 
1036 /*
1037  * we recognize the non transparent bridge child nodes with the
1038  * following property. This is specific to an implementation only.
1039  * This property is specific to AP nodes only.
1040  */
1041 #define	PCI_DEV_CONF_MAP_PROP	"pci-parent-indirect"
1042 
1043 /*
1044  * If a bridge device provides its own config space access services,
1045  * and supports a hotplug/hotswap bus below at any level, then
1046  * the following property must be defined for the node either by
1047  * the driver or the OBP.
1048  */
1049 #define	PCI_BUS_CONF_MAP_PROP	"pci-conf-indirect"
1050 
1051 #ifdef	__cplusplus
1052 }
1053 #endif
1054 
1055 #endif	/* _SYS_PCI_H */
1056