xref: /titanic_50/usr/src/uts/common/sys/pci.h (revision 37fbbce5257519d600faa3d23d464b42b71c1605)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_PCI_H
27 #define	_SYS_PCI_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * PCI Configuration Header offsets
37  */
38 #define	PCI_CONF_VENID		0x0	/* vendor id, 2 bytes */
39 #define	PCI_CONF_DEVID		0x2	/* device id, 2 bytes */
40 #define	PCI_CONF_COMM		0x4	/* command register, 2 bytes */
41 #define	PCI_CONF_STAT		0x6	/* status register, 2 bytes */
42 #define	PCI_CONF_REVID		0x8	/* revision id, 1 byte */
43 #define	PCI_CONF_PROGCLASS	0x9	/* programming class code, 1 byte */
44 #define	PCI_CONF_SUBCLASS	0xA	/* sub-class code, 1 byte */
45 #define	PCI_CONF_BASCLASS	0xB	/* basic class code, 1 byte */
46 #define	PCI_CONF_CACHE_LINESZ	0xC	/* cache line size, 1 byte */
47 #define	PCI_CONF_LATENCY_TIMER	0xD	/* latency timer, 1 byte */
48 #define	PCI_CONF_HEADER		0xE	/* header type, 1 byte */
49 #define	PCI_CONF_BIST		0xF	/* builtin self test, 1 byte */
50 
51 /*
52  * Header type 0 offsets
53  */
54 #define	PCI_CONF_BASE0		0x10	/* base register 0, 4 bytes */
55 #define	PCI_CONF_BASE1		0x14	/* base register 1, 4 bytes */
56 #define	PCI_CONF_BASE2		0x18	/* base register 2, 4 bytes */
57 #define	PCI_CONF_BASE3		0x1c	/* base register 3, 4 bytes */
58 #define	PCI_CONF_BASE4		0x20	/* base register 4, 4 bytes */
59 #define	PCI_CONF_BASE5		0x24	/* base register 5, 4 bytes */
60 #define	PCI_CONF_CIS		0x28	/* Cardbus CIS Pointer */
61 #define	PCI_CONF_SUBVENID	0x2c	/* Subsystem Vendor ID */
62 #define	PCI_CONF_SUBSYSID	0x2e	/* Subsystem ID */
63 #define	PCI_CONF_ROM		0x30	/* ROM base register, 4 bytes */
64 #define	PCI_CONF_CAP_PTR	0x34	/* capabilities pointer, 1 byte */
65 #define	PCI_CONF_ILINE		0x3c	/* interrupt line, 1 byte */
66 #define	PCI_CONF_IPIN		0x3d	/* interrupt pin, 1 byte */
67 #define	PCI_CONF_MIN_G		0x3e	/* minimum grant, 1 byte */
68 #define	PCI_CONF_MAX_L		0x3f	/* maximum grant, 1 byte */
69 
70 /*
71  * PCI to PCI bridge configuration space header format
72  */
73 #define	PCI_BCNF_PRIBUS		0x18	/* primary bus number */
74 #define	PCI_BCNF_SECBUS		0x19	/* secondary bus number */
75 #define	PCI_BCNF_SUBBUS		0x1a	/* subordinate bus number */
76 #define	PCI_BCNF_LATENCY_TIMER	0x1b
77 #define	PCI_BCNF_IO_BASE_LOW	0x1c
78 #define	PCI_BCNF_IO_LIMIT_LOW	0x1d
79 #define	PCI_BCNF_SEC_STATUS	0x1e
80 #define	PCI_BCNF_MEM_BASE	0x20
81 #define	PCI_BCNF_MEM_LIMIT	0x22
82 #define	PCI_BCNF_PF_BASE_LOW	0x24
83 #define	PCI_BCNF_PF_LIMIT_LOW	0x26
84 #define	PCI_BCNF_PF_BASE_HIGH	0x28
85 #define	PCI_BCNF_PF_LIMIT_HIGH	0x2c
86 #define	PCI_BCNF_IO_BASE_HI	0x30
87 #define	PCI_BCNF_IO_LIMIT_HI	0x32
88 #define	PCI_BCNF_CAP_PTR	0x34
89 #define	PCI_BCNF_ROM		0x38
90 #define	PCI_BCNF_ILINE		0x3c
91 #define	PCI_BCNF_IPIN		0x3d
92 #define	PCI_BCNF_BCNTRL		0x3e
93 
94 #define	PCI_BCNF_BASE_NUM	0x2
95 
96 /*
97  * PCI to PCI bridge control register (0x3e) format
98  */
99 #define	PCI_BCNF_BCNTRL_PARITY_ENABLE	0x1
100 #define	PCI_BCNF_BCNTRL_SERR_ENABLE	0x2
101 #define	PCI_BCNF_BCNTRL_MAST_AB_MODE	0x20
102 #define	PCI_BCNF_BCNTRL_DTO_STAT	0x400
103 
104 #define	PCI_BCNF_BCNTRL_RESET		0x0040
105 #define	PCI_BCNF_BCNTRL_B2B_ENAB	0x0080
106 
107 #define	PCI_BCNF_IO_MASK	0xf0
108 #define	PCI_BCNF_MEM_MASK	0xfff0
109 
110 /*
111  * Header type 2 (Cardbus) offsets
112  */
113 #define	PCI_CBUS_SOCK_REG	0x10	/* Cardbus socket regs, 4 bytes */
114 #define	PCI_CBUS_RESERVED1	0x14	/* Reserved, 2 bytes */
115 #define	PCI_CBUS_SEC_STATUS	0x16	/* Secondary status, 2 bytes */
116 #define	PCI_CBUS_PCI_BUS_NO	0x18	/* PCI bus number, 1 byte */
117 #define	PCI_CBUS_CBUS_NO	0x19	/* Cardbus bus number, 1 byte */
118 #define	PCI_CBUS_SUB_BUS_NO	0x1a	/* Subordinate bus number, 1 byte */
119 #define	PCI_CBUS_LATENCY_TIMER	0x1b	/* Cardbus latency timer, 1 byte */
120 #define	PCI_CBUS_MEM_BASE0	0x1c	/* Memory base reg 0, 4 bytes */
121 #define	PCI_CBUS_MEM_LIMIT0	0x20	/* Memory limit reg 0, 4 bytes */
122 #define	PCI_CBUS_MEM_BASE1	0x24	/* Memory base reg 1, 4 bytes */
123 #define	PCI_CBUS_MEM_LIMIT1	0x28	/* Memory limit reg 1, 4 bytes */
124 #define	PCI_CBUS_IO_BASE0	0x2c	/* IO base reg 0, 4 bytes */
125 #define	PCI_CBUS_IO_LIMIT0	0x30	/* IO limit reg 0, 4 bytes */
126 #define	PCI_CBUS_IO_BASE1	0x34	/* IO base reg 1, 4 bytes */
127 #define	PCI_CBUS_IO_LIMIT1	0x38	/* IO limit reg 1, 4 bytes */
128 #define	PCI_CBUS_ILINE		0x3c	/* interrupt line, 1 byte */
129 #define	PCI_CBUS_IPIN		0x3d	/* interrupt pin, 1 byte */
130 #define	PCI_CBUS_BRIDGE_CTRL	0x3e	/* Bridge control, 2 bytes */
131 #define	PCI_CBUS_SUBVENID	0x40	/* Subsystem Vendor ID, 2 bytes */
132 #define	PCI_CBUS_SUBSYSID	0x42	/* Subsystem ID, 2 bytes */
133 #define	PCI_CBUS_LEG_MODE_ADDR	0x44	/* PCCard 16bit IF legacy mode addr */
134 
135 #define	PCI_CBUS_BASE_NUM	0x1	/* number of base registers */
136 
137 /*
138  * PCI command register bits
139  */
140 #define	PCI_COMM_IO		0x1	/* I/O access enable */
141 #define	PCI_COMM_MAE		0x2	/* memory access enable */
142 #define	PCI_COMM_ME		0x4	/* master enable */
143 #define	PCI_COMM_SPEC_CYC	0x8
144 #define	PCI_COMM_MEMWR_INVAL	0x10
145 #define	PCI_COMM_PALETTE_SNOOP	0x20
146 #define	PCI_COMM_PARITY_DETECT	0x40
147 #define	PCI_COMM_WAIT_CYC_ENAB	0x80
148 #define	PCI_COMM_SERR_ENABLE	0x100
149 #define	PCI_COMM_BACK2BACK_ENAB	0x200
150 #define	PCI_COMM_INTX_DISABLE	0x400	/* INTx emulation disable */
151 
152 /*
153  * PCI Interrupt pin value
154  */
155 #define	PCI_INTA	1
156 #define	PCI_INTB	2
157 #define	PCI_INTC	3
158 #define	PCI_INTD	4
159 
160 /*
161  * PCI status register bits
162  */
163 #define	PCI_STAT_INTR		0x8	/* Interrupt state */
164 #define	PCI_STAT_CAP		0x10	/* Implements Capabilities */
165 #define	PCI_STAT_66MHZ		0x20	/* 66 MHz capable */
166 #define	PCI_STAT_UDF		0x40	/* UDF supported */
167 #define	PCI_STAT_FBBC		0x80	/* Fast Back-to-Back Capable */
168 #define	PCI_STAT_S_PERROR	0x100	/* Data Parity Reported */
169 #define	PCI_STAT_DEVSELT	0x600	/* Device select timing */
170 #define	PCI_STAT_S_TARG_AB	0x800	/* Signaled Target Abort */
171 #define	PCI_STAT_R_TARG_AB	0x1000	/* Received Target Abort */
172 #define	PCI_STAT_R_MAST_AB	0x2000	/* Received Master Abort */
173 #define	PCI_STAT_S_SYSERR	0x4000	/* Signaled System Error */
174 #define	PCI_STAT_PERROR		0x8000	/* Detected Parity Error */
175 
176 /*
177  * DEVSEL timing values
178  */
179 #define	PCI_STAT_DEVSELT_FAST	0x0000
180 #define	PCI_STAT_DEVSELT_MEDIUM	0x0200
181 #define	PCI_STAT_DEVSELT_SLOW	0x0400
182 
183 /*
184  * BIST values
185  */
186 #define	PCI_BIST_SUPPORTED	0x80
187 #define	PCI_BIST_GO		0x40
188 #define	PCI_BIST_RESULT_M	0x0f
189 #define	PCI_BIST_RESULT_OK	0x00
190 
191 /*
192  * PCI class codes
193  */
194 #define	PCI_CLASS_NONE		0x0	/* class code for pre-2.0 devices */
195 #define	PCI_CLASS_MASS		0x1	/* Mass storage Controller class */
196 #define	PCI_CLASS_NET		0x2	/* Network Controller class */
197 #define	PCI_CLASS_DISPLAY	0x3	/* Display Controller class */
198 #define	PCI_CLASS_MM		0x4	/* Multimedia Controller class */
199 #define	PCI_CLASS_MEM		0x5	/* Memory Controller class */
200 #define	PCI_CLASS_BRIDGE	0x6	/* Bridge Controller class */
201 #define	PCI_CLASS_COMM		0x7	/* Communications Controller class */
202 #define	PCI_CLASS_PERIPH	0x8	/* Peripheral Controller class */
203 #define	PCI_CLASS_INPUT		0x9	/* Input Device class */
204 #define	PCI_CLASS_DOCK		0xa	/* Docking Station class */
205 #define	PCI_CLASS_PROCESSOR	0xb	/* Processor class */
206 #define	PCI_CLASS_SERIALBUS	0xc	/* Serial Bus class */
207 #define	PCI_CLASS_WIRELESS	0xd	/* Wireless Controller class */
208 #define	PCI_CLASS_INTIO		0xe	/* Intelligent IO Controller class */
209 #define	PCI_CLASS_SATELLITE	0xf	/* Satellite Communication class */
210 #define	PCI_CLASS_CRYPT		0x10	/* Encrytion/Decryption class */
211 #define	PCI_CLASS_SIGNAL	0x11	/* Signal Processing class */
212 
213 /*
214  * PCI Sub-class codes - base class 0x0 (no new devices should use this code).
215  */
216 #define	PCI_NONE_NOTVGA		0x0	/* All devices except VGA compatible */
217 #define	PCI_NONE_VGA		0x1	/* VGA compatible */
218 
219 /*
220  * PCI Sub-class codes - base class 0x1 (mass storage controllers)
221  */
222 #define	PCI_MASS_SCSI		0x0	/* SCSI bus Controller */
223 #define	PCI_MASS_IDE		0x1	/* IDE Controller */
224 #define	PCI_MASS_FD		0x2	/* floppy disk Controller */
225 #define	PCI_MASS_IPI		0x3	/* IPI bus Controller */
226 #define	PCI_MASS_RAID		0x4	/* RAID Controller */
227 #define	PCI_MASS_ATA		0x5	/* ATA Controller */
228 #define	PCI_MASS_SATA		0x6	/* Serial ATA */
229 #define	PCI_MASS_OTHER		0x80	/* Other Mass Storage Controller */
230 
231 /*
232  * programming interface for IDE (subclass 1)
233  */
234 #define	PCI_IDE_IF_NATIVE_PRI	0x1	/* primary channel is native */
235 #define	PCI_IDE_IF_PROG_PRI	0x2	/* primary can operate in either mode */
236 #define	PCI_IDE_IF_NATIVE_SEC	0x4	/* secondary channel is native */
237 #define	PCI_IDE_IF_PROG_SEC	0x8	/* sec. can operate in either mode */
238 #define	PCI_IDE_IF_MASK		0xf	/* programming interface mask */
239 
240 
241 /*
242  * programming interface for ATA (subclass 5)
243  */
244 #define	PCI_ATA_IF_SINGLE_DMA	0x20	/* ATA controller with single DMA */
245 #define	PCI_ATA_IF_CHAINED_DMA	0x30	/* ATA controller with chained DMA */
246 
247 /*
248  * PCI Sub-class codes - base class 0x2 (Network controllers)
249  */
250 #define	PCI_NET_ENET		0x0	/* Ethernet Controller */
251 #define	PCI_NET_TOKEN		0x1	/* Token Ring Controller */
252 #define	PCI_NET_FDDI		0x2	/* FDDI Controller */
253 #define	PCI_NET_ATM		0x3	/* ATM Controller */
254 #define	PCI_NET_ISDN		0x4	/* ISDN Controller */
255 #define	PCI_NET_WFIP		0x5	/* WorldFip Controller */
256 #define	PCI_NET_PICMG		0x6	/* PICMG 2.14 Multi Computing */
257 #define	PCI_NET_OTHER		0x80	/* Other Network Controller */
258 
259 /*
260  * PCI Sub-class codes - base class 03 (display controllers)
261  */
262 #define	PCI_DISPLAY_VGA		0x0	/* VGA device */
263 #define	PCI_DISPLAY_XGA		0x1	/* XGA device */
264 #define	PCI_DISPLAY_3D		0x2	/* 3D controller */
265 #define	PCI_DISPLAY_OTHER	0x80	/* Other Display Device */
266 
267 /*
268  * programming interface for display for display class (subclass 0) VGA ctrlrs
269  */
270 #define	PCI_DISPLAY_IF_VGA	0x0	/* VGA compatible */
271 #define	PCI_DISPLAY_IF_8514	0x1	/* 8514 compatible */
272 
273 /*
274  * PCI Sub-class codes - base class 0x4 (multi-media devices)
275  */
276 #define	PCI_MM_VIDEO		0x0	/* Video device */
277 #define	PCI_MM_AUDIO		0x1	/* Audio device */
278 #define	PCI_MM_TELEPHONY	0x2	/* Computer Telephony device */
279 #define	PCI_MM_OTHER		0x80	/* Other Multimedia Device */
280 
281 /*
282  * PCI Sub-class codes - base class 0x5 (memory controllers)
283  */
284 #define	PCI_MEM_RAM		0x0	/* RAM device */
285 #define	PCI_MEM_FLASH		0x1	/* FLASH device */
286 #define	PCI_MEM_OTHER		0x80	/* Other Memory Controller */
287 
288 /*
289  * PCI Sub-class codes - base class 0x6 (Bridge devices)
290  */
291 #define	PCI_BRIDGE_HOST		0x0	/* Host/PCI Bridge */
292 #define	PCI_BRIDGE_ISA		0x1	/* PCI/ISA Bridge */
293 #define	PCI_BRIDGE_EISA		0x2	/* PCI/EISA Bridge */
294 #define	PCI_BRIDGE_MC		0x3	/* PCI/MC Bridge */
295 #define	PCI_BRIDGE_PCI		0x4	/* PCI/PCI Bridge */
296 #define	PCI_BRIDGE_PCMCIA	0x5	/* PCI/PCMCIA Bridge */
297 #define	PCI_BRIDGE_NUBUS	0x6	/* PCI/NUBUS Bridge */
298 #define	PCI_BRIDGE_CARDBUS	0x7	/* PCI/CARDBUS Bridge */
299 #define	PCI_BRIDGE_RACE		0x8	/* RACE-way Bridge */
300 #define	PCI_BRIDGE_STPCI	0x9	/* Semi-transparent PCI/PCI Bridge */
301 #define	PCI_BRIDGE_IB		0xA	/* InfiniBand/PCI host Bridge */
302 #define	PCI_BRIDGE_OTHER	0x80	/* PCI/Other Bridge Device */
303 
304 /*
305  * programming interface for Bridges class 0x6 (subclass 4) PCI-PCI bridge
306  */
307 #define	PCI_BRIDGE_PCI_IF_PCI2PCI	0x0	/* PCI-PCI bridge */
308 #define	PCI_BRIDGE_PCI_IF_SUBDECODE	0x1	/* Subtractive Decode */
309 						/* PCI/PCI bridge */
310 
311 /*
312  * programming interface for Bridges class 0x6 (subclass 08) RACEway bridge
313  */
314 #define	PCI_BRIDGE_RACE_IF_TRANSPARENT	0x0	/* Transport mode */
315 #define	PCI_BRIDGE_RACE_IF_ENDPOINT	0x1	/* Endpoint mode */
316 
317 /*
318  * programming interface for Bridges class 0x6 (subclass 09)
319  * Semi-transparent PCI-to-PCI bridge
320  */
321 #define	PCI_BRIDGE_STPCI_IF_PRIMARY	0x40	/* primary PCI side bus */
322 						/* facing system processor */
323 #define	PCI_BRIDGE_STPCI_IF_SECONDARY	0x80	/* secondary PCI side bus */
324 						/* facing system processor */
325 
326 /*
327  * PCI Sub-class codes - base class 0x7 (communication devices)
328  */
329 #define	PCI_COMM_GENERIC_XT	0x0	/* XT Compatible Serial Controller */
330 #define	PCI_COMM_PARALLEL	0x1	/* Parallel Port Controller */
331 #define	PCI_COMM_MSC		0x2	/* Multiport Serial Controller */
332 #define	PCI_COMM_MODEM		0x3	/* Modem Controller */
333 #define	PCI_COMM_GPIB		0x4	/* GPIB Controller */
334 #define	PCI_COMM_SMARTCARD	0x5	/* Smart Card Controller */
335 #define	PCI_COMM_OTHER		0x80	/* Other Communications Controller */
336 
337 /*
338  * Programming interfaces for class 0x7 / subclass 0x0 (Serial)
339  */
340 #define	PCI_COMM_SERIAL_IF_GENERIC	0x0	/* Generic XT-compat serial */
341 #define	PCI_COMM_SERIAL_IF_16450	0x1	/* 16450-compat serial ctrlr */
342 #define	PCI_COMM_SERIAL_IF_16550	0x2	/* 16550-compat serial ctrlr */
343 #define	PCI_COMM_SERIAL_IF_16650	0x3	/* 16650-compat serial ctrlr */
344 #define	PCI_COMM_SERIAL_IF_16750	0x4	/* 16750-compat serial ctrlr */
345 #define	PCI_COMM_SERIAL_IF_16850	0x5	/* 16850-compat serial ctrlr */
346 #define	PCI_COMM_SERIAL_IF_16950	0x6	/* 16950-compat serial ctrlr */
347 
348 /*
349  * Programming interfaces for class 0x7 / subclass 0x1 (Parallel)
350  */
351 #define	PCI_COMM_PARALLEL_IF_GENERIC	0x0	/* Generic Parallel port */
352 #define	PCI_COMM_PARALLEL_IF_BIDIRECT	0x1	/* Bi-directional Parallel */
353 #define	PCI_COMM_PARALLEL_IF_ECP	0x2	/* ECP 1.X Parallel port */
354 #define	PCI_COMM_PARALLEL_IF_1284	0x3	/* IEEE 1284 Parallel port */
355 #define	PCI_COMM_PARALLEL_IF_1284_TARG	0xFE	/* IEEE 1284 target device */
356 
357 /*
358  * Programming interfaces for class 0x7 / subclass 0x3 (Modem)
359  */
360 #define	PCI_COMM_MODEM_IF_GENERIC	0x0	/* Generic Modem */
361 #define	PCI_COMM_MODEM_IF_HAYES_16450	0x1	/* Hayes 16450-compat Modem */
362 #define	PCI_COMM_MODEM_IF_HAYES_16550	0x2	/* Hayes 16550-compat Modem */
363 #define	PCI_COMM_MODEM_IF_HAYES_16650	0x3	/* Hayes 16650-compat Modem */
364 #define	PCI_COMM_MODEM_IF_HAYES_16750	0x4	/* Hayes 16750-compat Modem */
365 
366 /*
367  * PCI Sub-class codes - base class 0x8
368  */
369 #define	PCI_PERIPH_PIC		0x0	/* Generic PIC */
370 #define	PCI_PERIPH_DMA		0x1	/* Generic DMA Controller */
371 #define	PCI_PERIPH_TIMER	0x2	/* Generic System Timer Controller */
372 #define	PCI_PERIPH_RTC		0x3	/* Generic RTC Controller */
373 #define	PCI_PERIPH_HPC		0x3	/* Generic PCI Hot-Plug Controller */
374 #define	PCI_PERIPH_OTHER	0x80	/* Other System Peripheral */
375 
376 /*
377  * Programming interfaces for class 0x8 / subclass 0x0 (interrupt controller)
378  */
379 #define	PCI_PERIPH_PIC_IF_GENERIC	0x0	/* Generic 8259 APIC */
380 #define	PCI_PERIPH_PIC_IF_ISA		0x1	/* ISA PIC */
381 #define	PCI_PERIPH_PIC_IF_EISA		0x2	/* EISA PIC */
382 #define	PCI_PERIPH_PIC_IF_IO_APIC	0x10	/* I/O APIC interrupt ctrlr */
383 #define	PCI_PERIPH_PIC_IF_IOX_APIC	0x20	/* I/O(x) APIC intr ctrlr */
384 
385 /*
386  * Programming interfaces for class 0x8 / subclass 0x1 (DMA controller)
387  */
388 #define	PCI_PERIPH_DMA_IF_GENERIC	0x0	/* Generic 8237 DMA ctrlr */
389 #define	PCI_PERIPH_DMA_IF_ISA		0x1	/* ISA DMA ctrlr */
390 #define	PCI_PERIPH_DMA_IF_EISA		0x2	/* EISA DMA ctrlr */
391 
392 /*
393  * Programming interfaces for class 0x8 / subclass 0x2 (timer)
394  */
395 #define	PCI_PERIPH_TIMER_IF_GENERIC	0x0	/* Generic 8254 system timer */
396 #define	PCI_PERIPH_TIMER_IF_ISA		0x1	/* ISA system timers */
397 #define	PCI_PERIPH_TIMER_IF_EISA	0x2	/* EISA system timers (two) */
398 
399 /*
400  * Programming interfaces for class 0x8 / subclass 0x3 (realtime clock)
401  */
402 #define	PCI_PERIPH_RTC_IF_GENERIC	0x0	/* Generic RTC controller */
403 #define	PCI_PERIPH_RTC_IF_ISA		0x1	/* ISA RTC controller */
404 
405 /*
406  * PCI Sub-class codes - base class 0x9
407  */
408 #define	PCI_INPUT_KEYBOARD	0x0	/* Keyboard Controller */
409 #define	PCI_INPUT_DIGITIZ	0x1	/* Digitizer (Pen) */
410 #define	PCI_INPUT_MOUSE		0x2	/* Mouse Controller */
411 #define	PCI_INPUT_SCANNER	0x3	/* Scanner Controller */
412 #define	PCI_INPUT_GAMEPORT	0x4	/* Gameport Controller */
413 #define	PCI_INPUT_OTHER		0x80	/* Other Input Controller */
414 
415 /*
416  * Programming interfaces for class 0x9 / subclass 0x4 (Gameport controller)
417  */
418 #define	PCI_INPUT_GAMEPORT_IF_GENERIC	0x00	/* Generic controller */
419 #define	PCI_INPUT_GAMEPORT_IF_LEGACY	0x10	/* Legacy controller */
420 
421 /*
422  * PCI Sub-class codes - base class 0xa
423  */
424 #define	PCI_DOCK_GENERIC	0x00	/* Generic Docking Station */
425 #define	PCI_DOCK_OTHER		0x80	/* Other Type of Docking Station */
426 
427 /*
428  * PCI Sub-class codes - base class 0xb
429  */
430 #define	PCI_PROCESSOR_386	0x0	/* 386 */
431 #define	PCI_PROCESSOR_486	0x1	/* 486 */
432 #define	PCI_PROCESSOR_PENT	0x2	/* Pentium */
433 #define	PCI_PROCESSOR_ALPHA	0x10	/* Alpha */
434 #define	PCI_PROCESSOR_POWERPC	0x20	/* PowerPC */
435 #define	PCI_PROCESSOR_MIPS	0x30	/* MIPS */
436 #define	PCI_PROCESSOR_COPROC	0x40	/* Co-processor */
437 
438 /*
439  * PCI Sub-class codes - base class 0xc (Serial Controllers)
440  */
441 #define	PCI_SERIAL_FIRE		0x0	/* FireWire (IEEE 1394) */
442 #define	PCI_SERIAL_ACCESS	0x1	/* ACCESS.bus */
443 #define	PCI_SERIAL_SSA		0x2	/* SSA */
444 #define	PCI_SERIAL_USB		0x3	/* Universal Serial Bus */
445 #define	PCI_SERIAL_FIBRE	0x4	/* Fibre Channel */
446 #define	PCI_SERIAL_SMBUS	0x5	/* System Management Bus */
447 #define	PCI_SERIAL_IB		0x6	/* InfiniBand */
448 #define	PCI_SERIAL_IPMI		0x7	/* IPMI */
449 #define	PCI_SERIAL_SERCOS	0x8	/* SERCOS Interface Std (IEC 61491) */
450 #define	PCI_SERIAL_CANBUS	0x9	/* CANbus */
451 
452 /*
453  * Programming interfaces for class 0xC / subclass 0x3 (USB controller)
454  */
455 #define	PCI_SERIAL_USB_IF_UHCI 		0x00	/* UHCI Compliant */
456 #define	PCI_SERIAL_USB_IF_OHCI 		0x10	/* OHCI Compliant */
457 #define	PCI_SERIAL_USB_IF_EHCI 		0x20	/* EHCI Compliant */
458 #define	PCI_SERIAL_USB_IF_GENERIC 	0x80	/* no specific HCD */
459 #define	PCI_SERIAL_USB_IF_DEVICE 	0xFE	/* not a HCD */
460 
461 /*
462  * Programming interfaces for class 0xC / subclass 0x7 (IPMI controller)
463  */
464 #define	PCI_SERIAL_IPMI_IF_SMIC 	0x0	/* SMIC Interface */
465 #define	PCI_SERIAL_IPMI_IF_KBD 		0x1	/* Keyboard Ctrl Style Intfc */
466 #define	PCI_SERIAL_IPMI_IF_BTI		0x2	/* Block Transfer Interface */
467 
468 /*
469  * PCI Sub-class codes - base class 0xd (Wireless controllers)
470  */
471 #define	PCI_WIRELESS_IRDA		0x0	/* iRDA Compatible Controller */
472 #define	PCI_WIRELESS_IR			0x1	/* Consumer IR Controller */
473 #define	PCI_WIRELESS_RF			0x10	/* RF Controller */
474 #define	PCI_WIRELESS_BLUETOOTH		0x11	/* Bluetooth Controller */
475 #define	PCI_WIRELESS_BROADBAND		0x12	/* Broadband Controller */
476 #define	PCI_WIRELESS_80211A		0x20	/* Ethernet 802.11a 5 GHz */
477 #define	PCI_WIRELESS_80211B		0x21	/* Ethernet 802.11b 2.4 GHz */
478 #define	PCI_WIRELESS_OTHER		0x80	/* Other Wireless Controllers */
479 
480 /*
481  * PCI Sub-class codes - base class 0xe (Intelligent I/O controllers)
482  */
483 #define	PCI_INTIO_I20			0x1	/* I20 Arch Spec 1.0 */
484 
485 /*
486  * PCI Sub-class codes - base class 0xf (Satellite Communication controllers)
487  */
488 #define	PCI_SATELLITE_COMM_TV		0x01	/* TV */
489 #define	PCI_SATELLITE_COMM_AUDIO	0x02	/* Audio */
490 #define	PCI_SATELLITE_COMM_VOICE	0x03	/* Voice */
491 #define	PCI_SATELLITE_COMM_DATA		0x04	/* DATA */
492 
493 /*
494  * PCI Sub-class codes - base class 0x10 (Encryption/Decryption controllers)
495  */
496 #define	PCI_CRYPT_NETWORK		0x00	/* Network and Computing */
497 #define	PCI_CRYPT_ENTERTAINMENT		0x10	/* Entertainment en/decrypt */
498 #define	PCI_CRYPT_OTHER			0x80	/* Other en/decryption ctrlrs */
499 
500 /*
501  * PCI Sub-class codes - base class 0x11 (Signal Processing controllers)
502  */
503 #define	PCI_SIGNAL_DPIO			0x00	/* DPIO modules */
504 #define	PCI_SIGNAL_PERF_COUNTERS	0x01	/* Performance counters */
505 #define	PCI_SIGNAL_COMM_SYNC		0x10	/* Comm. synchronization plus */
506 						/* time and freq test ctrlr */
507 #define	PCI_SIGNAL_MANAGEMENT		0x20	/* Management card */
508 #define	PCI_SIGNAL_OTHER		0x80	/* DSP/DAP controller */
509 
510 /* PCI header decode */
511 #define	PCI_HEADER_MULTI	0x80	/* multi-function device */
512 #define	PCI_HEADER_ZERO		0x00	/* type zero PCI header */
513 #define	PCI_HEADER_ONE		0x01	/* type one PCI header */
514 #define	PCI_HEADER_TWO		0x02	/* type two PCI header */
515 #define	PCI_HEADER_PPB		PCI_HEADER_ONE  /* type one PCI to PCI Bridge */
516 #define	PCI_HEADER_CARDBUS	PCI_HEADER_TWO	/* type one PCI header */
517 
518 #define	PCI_HEADER_TYPE_M	0x7f  /* type mask for header */
519 
520 /*
521  * Base register bit definitions.
522  */
523 #define	PCI_BASE_SPACE_M    0x1  /* memory space indicator */
524 #define	PCI_BASE_SPACE_IO   0x1   /* IO space */
525 #define	PCI_BASE_SPACE_MEM  0x0   /* memory space */
526 
527 #define	PCI_BASE_TYPE_MEM   0x0   /* 32-bit memory address */
528 #define	PCI_BASE_TYPE_LOW   0x2   /* less than 1Mb address */
529 #define	PCI_BASE_TYPE_ALL   0x4   /* 64-bit memory address */
530 #define	PCI_BASE_TYPE_RES   0x6   /* reserved */
531 
532 #define	PCI_BASE_TYPE_M		0x00000006  /* type indicator mask */
533 #define	PCI_BASE_PREF_M		0x00000008  /* prefetch mask */
534 #define	PCI_BASE_M_ADDR_M	0xfffffff0  /* memory address mask */
535 #define	PCI_BASE_IO_ADDR_M	0xfffffffe  /* I/O address mask */
536 
537 #define	PCI_BASE_ROM_ADDR_M	0xfffff800  /* ROM address mask */
538 #define	PCI_BASE_ROM_ENABLE	0x00000001  /* ROM decoder enable */
539 
540 /*
541  * Capabilities linked list entry offsets
542  */
543 #define	PCI_CAP_ID		0x0	/* capability identifier, 1 byte */
544 #define	PCI_CAP_NEXT_PTR	0x1	/* next entry pointer, 1 byte */
545 #define	PCI_CAP_ID_REGS_OFF	0x2	/* cap id register offset */
546 #define	PCI_CAP_MAX_PTR		0x30	/* maximum number of cap pointers */
547 #define	PCI_CAP_PTR_OFF		0x40	/* minimum cap pointer offset */
548 #define	PCI_CAP_PTR_MASK	0xFC	/* mask for capability pointer */
549 
550 /*
551  * Capability identifier values
552  */
553 #define	PCI_CAP_ID_PM		0x1	/* power management entry */
554 #define	PCI_CAP_ID_AGP		0x2	/* AGP supported */
555 #define	PCI_CAP_ID_VPD		0x3	/* VPD supported */
556 #define	PCI_CAP_ID_SLOT_ID	0x4	/* Slot Identification supported */
557 #define	PCI_CAP_ID_MSI		0x5	/* MSI supported */
558 #define	PCI_CAP_ID_cPCI_HS	0x6	/* CompactPCI Host Swap supported */
559 #define	PCI_CAP_ID_PCIX		0x7	/* PCI-X supported */
560 #define	PCI_CAP_ID_HT		0x8	/* HyperTransport supported */
561 #define	PCI_CAP_ID_VS		0x9	/* Vendor Specific */
562 #define	PCI_CAP_ID_DEBUG_PORT	0xA	/* Debug Port supported */
563 #define	PCI_CAP_ID_cPCI_CRC	0xB	/* CompactPCI central resource ctrl */
564 #define	PCI_CAP_ID_PCI_HOTPLUG	0xC	/* PCI Hot Plug supported */
565 #define	PCI_CAP_ID_AGP_8X	0xE	/* AGP 8X supported */
566 #define	PCI_CAP_ID_SECURE_DEV	0xF	/* Secure Device supported */
567 #define	PCI_CAP_ID_PCI_E	0x10	/* PCI Express supported */
568 #define	PCI_CAP_ID_MSI_X	0x11	/* MSI-X supported */
569 
570 /*
571  * Capability next entry pointer values
572  */
573 #define	PCI_CAP_NEXT_PTR_NULL	0x0	/* no more entries in the list */
574 
575 /*
576  * PCI power management (PM) capability entry offsets
577  */
578 #define	PCI_PMCAP		0x2	/* PM capabilities, 2 bytes */
579 #define	PCI_PMCSR		0x4	/* PM control/status reg, 2 bytes */
580 #define	PCI_PMCSR_BSE		0x6	/* PCI-PCI bridge extensions, 1 byte */
581 #define	PCI_PMDATA		0x7	/* PM data, 1 byte */
582 
583 /*
584  * PM capabilities values - 2 bytes
585  */
586 #define	PCI_PMCAP_VER_1_0	0x1	/* PCI PM spec 1.0 */
587 #define	PCI_PMCAP_VER_1_1	0x2	/* PCI PM spec 1.1 */
588 #define	PCI_PMCAP_VER_MASK	0x7	/* version mask */
589 #define	PCI_PMCAP_PME_CLOCK	0x8	/* needs PCI clock for PME */
590 #define	PCI_PMCAP_DSI		0x20	/* needs device specific init */
591 #define	PCI_PMCAP_AUX_CUR_SELF	0x0	/* 0 aux current - self powered */
592 #define	PCI_PMCAP_AUX_CUR_55mA	0x40	/* 55 mA aux current */
593 #define	PCI_PMCAP_AUX_CUR_100mA	0x80	/* 100 mA aux current */
594 #define	PCI_PMCAP_AUX_CUR_160mA	0xc0	/* 160 mA aux current */
595 #define	PCI_PMCAP_AUX_CUR_220mA	0x100	/* 220 mA aux current */
596 #define	PCI_PMCAP_AUX_CUR_270mA	0x140	/* 270 mA aux current */
597 #define	PCI_PMCAP_AUX_CUR_320mA	0x180	/* 320 mA aux current */
598 #define	PCI_PMCAP_AUX_CUR_375mA	0x1c0	/* 375 mA aux current */
599 #define	PCI_PMCAP_AUX_CUR_MASK	0x1c0	/* 3.3Vaux aux current needs */
600 #define	PCI_PMCAP_D1		0x200	/* D1 state supported */
601 #define	PCI_PMCAP_D2		0x400	/* D2 state supported */
602 #define	PCI_PMCAP_D0_PME	0x800	/* PME from D0 */
603 #define	PCI_PMCAP_D1_PME	0x1000	/* PME from D1 */
604 #define	PCI_PMCAP_D2_PME	0x2000	/* PME from D2 */
605 #define	PCI_PMCAP_D3HOT_PME	0x4000	/* PME from D3hot */
606 #define	PCI_PMCAP_D3COLD_PME	0x8000	/* PME from D3cold */
607 #define	PCI_PMCAP_PME_MASK	0xf800	/* PME support mask */
608 
609 /*
610  * PM control/status values - 2 bytes
611  */
612 #define	PCI_PMCSR_D0			0x0	/* power state D0 */
613 #define	PCI_PMCSR_D1			0x1	/* power state D1 */
614 #define	PCI_PMCSR_D2			0x2	/* power state D2 */
615 #define	PCI_PMCSR_D3HOT			0x3	/* power state D3hot */
616 #define	PCI_PMCSR_STATE_MASK		0x3	/* power state mask */
617 #define	PCI_PMCSR_PME_EN		0x100	/* enable PME assertion */
618 #define	PCI_PMCSR_DSEL_D0_PWR_C		0x0	/* D0 power consumed */
619 #define	PCI_PMCSR_DSEL_D1_PWR_C		0x200	/* D1 power consumed */
620 #define	PCI_PMCSR_DSEL_D2_PWR_C		0x400	/* D2 power consumed */
621 #define	PCI_PMCSR_DSEL_D3_PWR_C		0x600	/* D3 power consumed */
622 #define	PCI_PMCSR_DSEL_D0_PWR_D		0x800	/* D0 power dissipated */
623 #define	PCI_PMCSR_DSEL_D1_PWR_D		0xa00	/* D1 power dissipated */
624 #define	PCI_PMCSR_DSEL_D2_PWR_D		0xc00	/* D2 power dissipated */
625 #define	PCI_PMCSR_DSEL_D3_PWR_D		0xe00	/* D3 power dissipated */
626 #define	PCI_PMCSR_DSEL_COM_C		0x1000	/* common power consumption */
627 #define	PCI_PMCSR_DSEL_MASK		0x1e00	/* data select mask */
628 #define	PCI_PMCSR_DSCL_UNKNOWN		0x0	/* data scale unknown */
629 #define	PCI_PMCSR_DSCL_1_BY_10		0x2000	/* data scale 0.1x */
630 #define	PCI_PMCSR_DSCL_1_BY_100		0x4000	/* data scale 0.01x */
631 #define	PCI_PMCSR_DSCL_1_BY_1000	0x6000	/* data scale 0.001x */
632 #define	PCI_PMCSR_DSCL_MASK		0x6000	/* data scale mask */
633 #define	PCI_PMCSR_PME_STAT		0x8000	/* PME status */
634 
635 /*
636  * PM PMCSR PCI to PCI bridge support extension values - 1 byte
637  */
638 #define	PCI_PMCSR_BSE_B2_B3	0x40	/* bridge D3hot -> secondary B2 */
639 #define	PCI_PMCSR_BSE_BPCC_EN	0x80	/* bus power/clock control enabled */
640 
641 /*
642  * PCI-X capability related definitions
643  */
644 #define	PCI_PCIX_COMMAND	0x2	/* Command register offset */
645 #define	PCI_PCIX_STATUS		0x4	/* Status register offset */
646 #define	PCI_PCIX_ECC_STATUS	0x8	/* ECC Status register offset */
647 #define	PCI_PCIX_ECC_FST_AD	0xC	/* ECC First address register offset */
648 #define	PCI_PCIX_ECC_SEC_AD	0x10	/* ECC Second address register offset */
649 #define	PCI_PCIX_ECC_ATTR	0x14	/* ECC Attribute register offset */
650 
651 /*
652  * PCI-X bridge capability related definitions
653  */
654 #define	PCI_PCIX_SEC_STATUS	0x2	/* Secondary status register offset */
655 #define	PCI_PCIX_BDG_STATUS	0x4	/* Bridge Status register offset */
656 #define	PCI_PCIX_UP_SPL_CTL	0x8	/* Upstream split ctrl reg offset */
657 #define	PCI_PCIX_DOWN_SPL_CTL	0xC	/* Downstream split ctrl reg offset */
658 #define	PCI_PCIX_BDG_ECC_STATUS	0x10	/* ECC Status register offset */
659 #define	PCI_PCIX_BDG_ECC_FST_AD	0x14	/* ECC First address register offset */
660 #define	PCI_PCIX_BDG_ECC_SEC_AD	0x18	/* ECC Second address register offset */
661 #define	PCI_PCIX_BDG_ECC_ATTR	0x1C	/* ECC Attribute register offset */
662 
663 /*
664  * PCIX capabilities values
665  */
666 #define	PCI_PCIX_VER_MASK	0x3000	/* Bits 12 and 13 */
667 #define	PCI_PCIX_VER_0		0x0000	/* PCIX cap list item version 0 */
668 #define	PCI_PCIX_VER_1		0x1000	/* PCIX cap list item version 1 */
669 #define	PCI_PCIX_VER_2		0x2000	/* PCIX cap list item version 2 */
670 
671 #define	PCI_PCIX_SPL_DSCD	0x40000 /* Split Completion Discarded */
672 #define	PCI_PCIX_UNEX_SPL	0x80000	/* Unexpected Split Completion */
673 #define	PCI_PCIX_RX_SPL_MSG	0x20000000 /* Recieved Spl Comp Error Message */
674 
675 #define	PCI_PCIX_ECC_SEL	0x1	/* Secondary ECC register select */
676 #define	PCI_PCIX_ECC_EP		0x2	/* Error Present on other side */
677 #define	PCI_PCIX_ECC_S_CE	0x4	/* Addl Correctable ECC Error */
678 #define	PCI_PCIX_ECC_S_UE	0x8	/* Addl Uncorrectable ECC Error */
679 #define	PCI_PCIX_ECC_PHASE	0x70	/* ECC Error Phase */
680 #define	PCI_PCIX_ECC_CORR	0x80	/* ECC Error Corrected */
681 #define	PCI_PCIX_ECC_SYN	0xff00	/* ECC Error Syndrome */
682 #define	PCI_PCIX_ECC_FST_CMD	0xf0000	 /* ECC Error First Command */
683 #define	PCI_PCIX_ECC_SEC_CMD	0xf00000 /* ECC Error Second Command */
684 #define	PCI_PCIX_ECC_UP_ATTR	0xf000000 /* ECC Error Upper Attributes */
685 
686 /*
687  * PCIX ECC Phase Values
688  */
689 #define	PCI_PCIX_ECC_PHASE_NOERR	0x0
690 #define	PCI_PCIX_ECC_PHASE_FADDR	0x1
691 #define	PCI_PCIX_ECC_PHASE_SADDR	0x2
692 #define	PCI_PCIX_ECC_PHASE_ATTR		0x3
693 #define	PCI_PCIX_ECC_PHASE_DATA32	0x4
694 #define	PCI_PCIX_ECC_PHASE_DATA64	0x5
695 
696 /*
697  * PCI-X Command Encoding
698  */
699 #define	PCI_PCIX_CMD_INTR		0x0
700 #define	PCI_PCIX_CMD_SPEC		0x1
701 #define	PCI_PCIX_CMD_IORD		0x2
702 #define	PCI_PCIX_CMD_IOWR		0x3
703 #define	PCI_PCIX_CMD_DEVID		0x5
704 #define	PCI_PCIX_CMD_MEMRD_DW		0x6
705 #define	PCI_PCIX_CMD_MEMWR		0x7
706 #define	PCI_PCIX_CMD_MEMRD_BL		0x8
707 #define	PCI_PCIX_CMD_MEMWR_BL		0x9
708 #define	PCI_PCIX_CMD_CFRD		0xA
709 #define	PCI_PCIX_CMD_CFWR		0xB
710 #define	PCI_PCIX_CMD_SPL		0xC
711 #define	PCI_PCIX_CMD_DADR		0xD
712 #define	PCI_PCIX_CMD_MEMRDBL		0xE
713 #define	PCI_PCIX_CMD_MEMWRBL		0xF
714 
715 #if defined(_BIT_FIELDS_LTOH)
716 typedef struct pcix_attr {
717 	uint32_t	lbc	:8,
718 			rid	:16,
719 			tag	:5,
720 			ro	:1,
721 			ns	:1,
722 			r	:1;
723 } pcix_attr_t;
724 #elif defined(_BIT_FIELDS_HTOL)
725 typedef struct pcix_attr {
726 	uint32_t	r	:1,
727 			ns	:1,
728 			ro	:1,
729 			tag	:5,
730 			rid	:16,
731 			lbc	:8;
732 } pcix_attr_t;
733 #else
734 #error "bit field not defined"
735 #endif
736 
737 #define	PCI_PCIX_BSS_SPL_DSCD	0x4	/* Secondary split comp discarded */
738 #define	PCI_PCIX_BSS_UNEX_SPL	0x8	/* Secondary unexpected split comp */
739 #define	PCI_PCIX_BSS_SPL_OR	0x10	/* Secondary split comp overrun */
740 #define	PCI_PCIX_BSS_SPL_DLY	0x20	/* Secondary split comp delayed */
741 
742 /*
743  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 32-bit
744  */
745 #define	PCI_MSI_CTRL		0x02	/* MSI control register, 2 bytes */
746 #define	PCI_MSI_ADDR_OFFSET	0x04	/* MSI 32-bit msg address, 4 bytes */
747 #define	PCI_MSI_32BIT_DATA	0x08	/* MSI 32-bit msg data, 2 bytes */
748 #define	PCI_MSI_32BIT_MASK	0x0C	/* MSI 32-bit mask bits, 4 bytes */
749 #define	PCI_MSI_32BIT_PENDING	0x10	/* MSI 32-bit pending bits, 4 bytes */
750 
751 /*
752  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 64-bit
753  */
754 #define	PCI_MSI_64BIT_DATA	0x0C	/* MSI 64-bit msg data, 2 bytes */
755 #define	PCI_MSI_64BIT_MASKBITS	0x10	/* MSI 64-bit mask bits, 4 bytes */
756 #define	PCI_MSI_64BIT_PENDING	0x14	/* MSI 64-bit pending bits, 4 bytes */
757 
758 /*
759  * PCI Message Signalled Interrupts (MSI) capability masks and shifts
760  */
761 #define	PCI_MSI_ENABLE_BIT	0x0001	/* MSI enable mask in MSI ctrl reg */
762 #define	PCI_MSI_MMC_MASK	0x000E	/* MMC mask in MSI ctrl reg */
763 #define	PCI_MSI_MMC_SHIFT	0x1	/* Shift for MMC bits */
764 #define	PCI_MSI_MME_MASK	0x0070	/* MME mask in MSI ctrl reg */
765 #define	PCI_MSI_MME_SHIFT	0x4	/* Shift for MME bits */
766 #define	PCI_MSI_64BIT_MASK	0x0080	/* 64bit support mask in MSI ctrl reg */
767 #define	PCI_MSI_PVM_MASK	0x0100	/* PVM support mask in MSI ctrl reg */
768 
769 /*
770  * PCI Extended Message Signalled Interrupts (MSI-X) capability entry offsets
771  */
772 #define	PCI_MSIX_CTRL		0x02	/* MSI-X control register, 2 bytes */
773 #define	PCI_MSIX_TBL_OFFSET	0x04	/* MSI-X table offset, 4 bytes */
774 #define	PCI_MSIX_TBL_BIR_MASK	0x0007	/* MSI-X table BIR mask */
775 #define	PCI_MSIX_PBA_OFFSET	0x08	/* MSI-X pending bit array, 4 bytes */
776 #define	PCI_MSIX_PBA_BIR_MASK	0x0007	/* MSI-X PBA BIR mask */
777 
778 #define	PCI_MSIX_TBL_SIZE_MASK	0x07FF	/* table size mask in MSI-X ctrl reg */
779 #define	PCI_MSIX_FUNCTION_MASK	0x4000	/* function mask in MSI-X ctrl reg */
780 #define	PCI_MSIX_ENABLE_BIT	0x8000	/* MSI-X enable mask in MSI-X ctl reg */
781 
782 #define	PCI_MSIX_LOWER_ADDR_OFFSET	0	/* MSI-X lower addr offset */
783 #define	PCI_MSIX_UPPER_ADDR_OFFSET	4	/* MSI-X upper addr offset */
784 #define	PCI_MSIX_DATA_OFFSET		8	/* MSI-X data offset */
785 #define	PCI_MSIX_VECTOR_CTRL_OFFSET	12	/* MSI-X vector ctrl offset */
786 #define	PCI_MSIX_VECTOR_SIZE		16	/* MSI-X size of each vector */
787 
788 /*
789  * PCI Message Signalled Interrupts: other interesting constants
790  */
791 #define	PCI_MSI_MAX_INTRS	32	/* maximum MSI interrupts supported */
792 #define	PCI_MSIX_MAX_INTRS	2048	/* maximum MSI-X interrupts supported */
793 
794 /*
795  * PCI Slot Id Capabilities, 2 bytes
796  */
797 /* Byte 1: Expansion Slot Register (ESR), Byte 2: Chassis Number Register */
798 #define	PCI_CAPSLOT_ESR_NSLOTS_MASK	0x1F	/* Number of slots mask */
799 #define	PCI_CAPSLOT_ESR_FIC		0x20	/* First In Chassis bit */
800 #define	PCI_CAPSLOT_ESR_FIC_MASK	0x01	/* First In Chassis mask */
801 #define	PCI_CAPSLOT_ESR_FIC_SHIFT	5	/* First In Chassis shift */
802 #define	PCI_CAPSLOT_FIC(esr_reg)	((esr_reg) & PCI_CAPSLOT_ESR_FIC)
803 #define	PCI_CAPSLOT_NSLOTS(esr_reg)	((esr_reg) & \
804 						PCI_CAPSLOT_ESR_NSLOTS_MASK)
805 
806 /*
807  * other interesting PCI constants
808  */
809 #define	PCI_BASE_NUM	6	/* num of base regs in configuration header */
810 #define	PCI_BAR_SZ_32	4	/* size of 32 bit base addr reg in bytes */
811 #define	PCI_BAR_SZ_64	8	/* size of 64 bit base addr reg in bytes */
812 #define	PCI_BASE_SIZE	4	/* size of base reg in bytes */
813 #define	PCI_CONF_HDR_SIZE	256	/* configuration header size */
814 #define	PCI_MAX_BUS_NUM		256		/* Maximum PCI buses allowed */
815 #define	PCI_MAX_DEVICES		32		/* Max PCI devices allowed */
816 #define	PCI_MAX_FUNCTIONS	8		/* Max PCI functions allowed */
817 #define	PCI_MAX_CHILDREN	PCI_MAX_DEVICES * PCI_MAX_FUNCTIONS
818 #define	PCI_CLK_33MHZ	(33 * 1000 * 1000)	/* 33MHz clock speed */
819 #define	PCI_CLK_66MHZ	(66 * 1000 * 1000)	/* 66MHz clock speed */
820 #define	PCI_CLK_133MHZ	(133 * 1000 * 1000)	/* 133MHz clock speed */
821 
822 /*
823  * pci bus range definition
824  */
825 typedef struct pci_bus_range {
826 	uint32_t lo;
827 	uint32_t hi;
828 } pci_bus_range_t;
829 
830 /*
831  * The following typedef is used to represent an entry in the "ranges"
832  * property of a pci hostbridge device node.
833  */
834 typedef struct pci_ranges {
835 	uint32_t child_high;
836 	uint32_t child_mid;
837 	uint32_t child_low;
838 	uint32_t parent_high;
839 	uint32_t parent_low;
840 	uint32_t size_high;
841 	uint32_t size_low;
842 } pci_ranges_t;
843 
844 /*
845  * The following typedef is used to represent an entry in the "ranges"
846  * property of a pci-pci bridge device node.
847  */
848 typedef struct {
849 	uint32_t child_high;
850 	uint32_t child_mid;
851 	uint32_t child_low;
852 	uint32_t parent_high;
853 	uint32_t parent_mid;
854 	uint32_t parent_low;
855 	uint32_t size_high;
856 	uint32_t size_low;
857 } ppb_ranges_t;
858 
859 /*
860  * This structure represents one entry of the 1275 "reg" property and
861  * "assigned-addresses" property for a PCI node.  For the "reg" property, it
862  * may be one of an arbitrary length array for devices with multiple address
863  * windows.  For the "assigned-addresses" property, it denotes an assigned
864  * physical address on the PCI bus.  It may be one entry of the six entries
865  * for devices with multiple base registers.
866  *
867  * The physical address format is:
868  *
869  *             Bit#:  33222222 22221111 11111100 00000000
870  *                    10987654 32109876 54321098 76543210
871  *
872  * pci_phys_hi cell:  np0000tt bbbbbbbb dddddfff rrrrrrrr
873  * pci_phys_mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
874  * pci_phys_low cell: llllllll llllllll llllllll llllllll
875  *
876  * n          is 0 if the address is relocatable, 1 otherwise
877  * p          is 1 if the addressable region is "prefetchable", 0 otherwise
878  * t          is 1 if the address range is aliased
879  * tt         is the type code, denoting which address space
880  * bbbbbbbb   is the 8-bit bus number
881  * ddddd      is the 5-bit device number
882  * fff        is the 3-bit function number
883  * rrrrrrrr   is the 8-bit register number
884  * hh...hhh   is the 32-bit unsigned number
885  * ll...lll   is the 32-bit unsigned number
886  *
887  * The physical size format is:
888  *
889  * pci_size_hi cell:  hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
890  * pci_size_low cell: llllllll llllllll llllllll llllllll
891  *
892  * hh...hhh   is the 32-bit unsigned number
893  * ll...lll   is the 32-bit unsigned number
894  */
895 struct pci_phys_spec {
896 	uint_t pci_phys_hi;		/* child's address, hi word */
897 	uint_t pci_phys_mid;		/* child's address, middle word */
898 	uint_t pci_phys_low;		/* child's address, low word */
899 	uint_t pci_size_hi;		/* high word of size field */
900 	uint_t pci_size_low;		/* low word of size field */
901 };
902 
903 typedef struct pci_phys_spec pci_regspec_t;
904 
905 /*
906  * PCI masks for pci_phy_hi of PCI 1275 address cell.
907  */
908 #define	PCI_REG_REG_M		0xff		/* register mask */
909 #define	PCI_REG_FUNC_M		0x700		/* function mask */
910 #define	PCI_REG_DEV_M		0xf800		/* device mask */
911 #define	PCI_REG_BUS_M		0xff0000	/* bus number mask */
912 #define	PCI_REG_ADDR_M		0x3000000	/* address space mask */
913 #define	PCI_REG_ALIAS_M		0x20000000	/* aliased bit mask */
914 #define	PCI_REG_PF_M		0x40000000	/* prefetch bit mask */
915 #define	PCI_REG_REL_M		0x80000000	/* relocation bit mask */
916 #define	PCI_REG_BDFR_M		0xffffff	/* bus, dev, func, reg mask */
917 
918 #define	PCI_REG_FUNC_SHIFT	8		/* Offset of function bits */
919 #define	PCI_REG_DEV_SHIFT	11		/* Offset of device bits */
920 #define	PCI_REG_BUS_SHIFT	16		/* Offset of bus bits */
921 #define	PCI_REG_ADDR_SHIFT	24		/* Offset of address bits */
922 
923 #define	PCI_REG_REG_G(x)	((x) & PCI_REG_REG_M)
924 #define	PCI_REG_FUNC_G(x)	(((x) & PCI_REG_FUNC_M) >> PCI_REG_FUNC_SHIFT)
925 #define	PCI_REG_DEV_G(x)	(((x) & PCI_REG_DEV_M) >> PCI_REG_DEV_SHIFT)
926 #define	PCI_REG_BUS_G(x)	(((x) & PCI_REG_BUS_M) >> PCI_REG_BUS_SHIFT)
927 #define	PCI_REG_ADDR_G(x)	(((x) & PCI_REG_ADDR_M) >> PCI_REG_ADDR_SHIFT)
928 #define	PCI_REG_BDFR_G(x)	((x) & PCI_REG_BDFR_M)
929 
930 /*
931  * PCI bit encodings of pci_phys_hi of PCI 1275 address cell.
932  */
933 #define	PCI_ADDR_MASK		PCI_REG_ADDR_M
934 #define	PCI_ADDR_CONFIG		0x00000000	/* configuration address */
935 #define	PCI_ADDR_IO		0x01000000	/* I/O address */
936 #define	PCI_ADDR_MEM32		0x02000000	/* 32-bit memory address */
937 #define	PCI_ADDR_MEM64		0x03000000	/* 64-bit memory address */
938 #define	PCI_ALIAS_B		PCI_REG_ALIAS_M	/* aliased bit */
939 #define	PCI_PREFETCH_B		PCI_REG_PF_M	/* prefetch bit */
940 #define	PCI_RELOCAT_B		PCI_REG_REL_M	/* non-relocatable bit */
941 #define	PCI_CONF_ADDR_MASK	0x00ffffff	/* mask for config address */
942 
943 #define	PCI_HARDDEC_8514 2	/* number of reg entries for 8514 hard-decode */
944 #define	PCI_HARDDEC_VGA	3	/* number of reg entries for VGA hard-decode */
945 #define	PCI_HARDDEC_IDE	4	/* number of reg entries for IDE hard-decode */
946 #define	PCI_HARDDEC_IDE_PRI 2	/* number of reg entries for IDE primary */
947 #define	PCI_HARDDEC_IDE_SEC 2	/* number of reg entries for IDE secondary */
948 
949 /*
950  * PCI Expansion ROM Header Format
951  */
952 #define	PCI_ROM_SIGNATURE		0x0	/* ROM Signature 0xaa55 */
953 #define	PCI_ROM_ARCH_UNIQUE_START	0x2	/* Start of processor unique */
954 #define	PCI_ROM_PCI_DATA_STRUCT_PTR	0x18	/* Ptr to PCI Data Structure */
955 
956 /*
957  * PCI Data Structure
958  *
959  * The PCI Data Structure is located within the first 64KB
960  * of the ROM image and must be DWORD aligned.
961  */
962 #define	PCI_PDS_SIGNATURE	0x0	/* Signature, the string 'PCIR' */
963 #define	PCI_PDS_VENDOR_ID	0x4	/* Vendor Identification */
964 #define	PCI_PDS_DEVICE_ID	0x6	/* Device Identification */
965 #define	PCI_PDS_VPD_PTR		0x8	/* Pointer to Vital Product Data */
966 #define	PCI_PDS_PDS_LENGTH	0xa	/* PCI Data Structure Length */
967 #define	PCI_PDS_PDS_REVISION	0xc	/* PCI Data Structure Revision */
968 #define	PCI_PDS_CLASS_CODE	0xd	/* Class Code */
969 #define	PCI_PDS_IMAGE_LENGTH	0x10	/* Image Length in 512 byte units */
970 #define	PCI_PDS_CODE_REVISON	0x12	/* Revision Level of Code/Data */
971 #define	PCI_PDS_CODE_TYPE	0x14	/* Code Type */
972 #define	PCI_PDS_INDICATOR	0x15	/* Indicates if image is last in ROM */
973 
974 #define	PCI_PDS_CODE_TYPE_PCAT		0x0	/* Intel x86/PC-AT Type */
975 #define	PCI_PDS_CODE_TYPE_OPEN_FW	0x1	/* Open Firmware */
976 
977 #ifdef	__cplusplus
978 }
979 #endif
980 
981 #endif	/* _SYS_PCI_H */
982