xref: /freebsd/sys/dev/pci/pcireg.h (revision f856af0466c076beef4ea9b15d088e1119a945b8)
1 /*-
2  * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  *
28  */
29 
30 /*
31  * PCIM_xxx: mask to locate subfield in register
32  * PCIR_xxx: config register offset
33  * PCIC_xxx: device class
34  * PCIS_xxx: device subclass
35  * PCIP_xxx: device programming interface
36  * PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
37  * PCID_xxx: device ID
38  * PCIY_xxx: capability identification number
39  */
40 
41 /* some PCI bus constants */
42 
43 #define	PCI_BUSMAX	255
44 #define	PCI_SLOTMAX	31
45 #define	PCI_FUNCMAX	7
46 #define	PCI_REGMAX	255
47 #define	PCI_MAXHDRTYPE	2
48 
49 /* PCI config header registers for all devices */
50 
51 #define	PCIR_DEVVENDOR	0x00
52 #define	PCIR_VENDOR	0x00
53 #define	PCIR_DEVICE	0x02
54 #define	PCIR_COMMAND	0x04
55 #define	PCIM_CMD_PORTEN		0x0001
56 #define	PCIM_CMD_MEMEN		0x0002
57 #define	PCIM_CMD_BUSMASTEREN	0x0004
58 #define	PCIM_CMD_SPECIALEN	0x0008
59 #define	PCIM_CMD_MWRICEN	0x0010
60 #define	PCIM_CMD_PERRESPEN	0x0040
61 #define	PCIM_CMD_SERRESPEN	0x0100
62 #define	PCIM_CMD_BACKTOBACK	0x0200
63 #define	PCIR_STATUS	0x06
64 #define	PCIM_STATUS_CAPPRESENT	0x0010
65 #define	PCIM_STATUS_66CAPABLE	0x0020
66 #define	PCIM_STATUS_BACKTOBACK	0x0080
67 #define	PCIM_STATUS_PERRREPORT	0x0100
68 #define	PCIM_STATUS_SEL_FAST	0x0000
69 #define	PCIM_STATUS_SEL_MEDIMUM	0x0200
70 #define	PCIM_STATUS_SEL_SLOW	0x0400
71 #define	PCIM_STATUS_SEL_MASK	0x0600
72 #define	PCIM_STATUS_STABORT	0x0800
73 #define	PCIM_STATUS_RTABORT	0x1000
74 #define	PCIM_STATUS_RMABORT	0x2000
75 #define	PCIM_STATUS_SERR	0x4000
76 #define	PCIM_STATUS_PERR	0x8000
77 #define	PCIR_REVID	0x08
78 #define	PCIR_PROGIF	0x09
79 #define	PCIR_SUBCLASS	0x0a
80 #define	PCIR_CLASS	0x0b
81 #define	PCIR_CACHELNSZ	0x0c
82 #define	PCIR_LATTIMER	0x0d
83 #define	PCIR_HDRTYPE	0x0e
84 #define	PCIM_HDRTYPE		0x7f
85 #define	PCIM_HDRTYPE_NORMAL	0x00
86 #define	PCIM_HDRTYPE_BRIDGE	0x01
87 #define	PCIM_HDRTYPE_CARDBUS	0x02
88 #define	PCIM_MFDEV		0x80
89 #define	PCIR_BIST	0x0f
90 
91 /* Capability Register Offsets */
92 
93 #define	PCICAP_ID	0x0
94 #define	PCICAP_NEXTPTR	0x1
95 
96 /* Capability Identification Numbers */
97 
98 #define	PCIY_PMG	0x01	/* PCI Power Management */
99 #define	PCIY_AGP	0x02	/* AGP */
100 #define	PCIY_VPD	0x03	/* Vital Product Data */
101 #define	PCIY_SLOTID	0x04	/* Slot Identification */
102 #define	PCIY_MSI	0x05	/* Message Signaled Interrupts */
103 #define	PCIY_CHSWP	0x06	/* CompactPCI Hot Swap */
104 #define	PCIY_PCIX	0x07	/* PCI-X */
105 #define	PCIY_HT		0x08	/* HyperTransport */
106 #define	PCIY_VENDOR	0x09	/* Vendor Unique */
107 #define	PCIY_DEBUG	0x0a	/* Debug port */
108 #define	PCIY_CRES	0x0b	/* CompactPCI central resource control */
109 #define	PCIY_HOTPLUG	0x0c	/* PCI Hot-Plug */
110 #define	PCIY_AGP8X	0x0e	/* AGP 8x */
111 #define	PCIY_SECDEV	0x0f	/* Secure Device */
112 #define	PCIY_EXPRESS	0x10	/* PCI Express */
113 #define	PCIY_MSIX	0x11	/* MSI-X */
114 
115 /* config registers for header type 0 devices */
116 
117 #define	PCIR_BARS	0x10
118 #define	PCIR_BAR(x)	(PCIR_BARS + (x) * 4)
119 #define	PCI_RID2BAR(rid) (((rid)-PCIR_BARS)/4)
120 #define	PCIR_CIS	0x28
121 #define	PCIM_CIS_ASI_MASK	0x7
122 #define	PCIM_CIS_ASI_TUPLE	0
123 #define	PCIM_CIS_ASI_BAR0	1
124 #define	PCIM_CIS_ASI_BAR1	2
125 #define	PCIM_CIS_ASI_BAR2	3
126 #define	PCIM_CIS_ASI_BAR3	4
127 #define	PCIM_CIS_ASI_BAR4	5
128 #define	PCIM_CIS_ASI_BAR5	6
129 #define	PCIM_CIS_ASI_ROM	7
130 #define	PCIM_CIS_ADDR_MASK	0x0ffffff8
131 #define	PCIM_CIS_ROM_MASK	0xf0000000
132 #define	PCIR_SUBVEND_0	0x2c
133 #define	PCIR_SUBDEV_0	0x2e
134 #define	PCIR_BIOS	0x30
135 #define	PCIM_BIOS_ENABLE	0x01
136 #define	PCIM_BIOS_ADDR_MASK	0xfffff800
137 #define	PCIR_CAP_PTR	0x34
138 #define	PCIR_INTLINE	0x3c
139 #define	PCIR_INTPIN	0x3d
140 #define	PCIR_MINGNT	0x3e
141 #define	PCIR_MAXLAT	0x3f
142 
143 /* config registers for header type 1 (PCI-to-PCI bridge) devices */
144 
145 #define	PCIR_SECSTAT_1	0x1e
146 
147 #define	PCIR_PRIBUS_1	0x18
148 #define	PCIR_SECBUS_1	0x19
149 #define	PCIR_SUBBUS_1	0x1a
150 #define	PCIR_SECLAT_1	0x1b
151 
152 #define	PCIR_IOBASEL_1	0x1c
153 #define	PCIR_IOLIMITL_1	0x1d
154 #define	PCIR_IOBASEH_1	0x30
155 #define	PCIR_IOLIMITH_1	0x32
156 #define	PCIM_BRIO_16		0x0
157 #define	PCIM_BRIO_32		0x1
158 #define	PCIM_BRIO_MASK		0xf
159 
160 #define	PCIR_MEMBASE_1	0x20
161 #define	PCIR_MEMLIMIT_1	0x22
162 
163 #define	PCIR_PMBASEL_1	0x24
164 #define	PCIR_PMLIMITL_1	0x26
165 #define	PCIR_PMBASEH_1	0x28
166 #define	PCIR_PMLIMITH_1	0x2c
167 
168 #define	PCIR_BRIDGECTL_1 0x3e
169 
170 #define	PCIR_SUBVEND_1	0x34
171 #define	PCIR_SUBDEV_1	0x36
172 
173 /* config registers for header type 2 (CardBus) devices */
174 
175 #define	PCIR_CAP_PTR_2	0x14
176 #define	PCIR_SECSTAT_2	0x16
177 
178 #define	PCIR_PRIBUS_2	0x18
179 #define	PCIR_SECBUS_2	0x19
180 #define	PCIR_SUBBUS_2	0x1a
181 #define	PCIR_SECLAT_2	0x1b
182 
183 #define	PCIR_MEMBASE0_2	0x1c
184 #define	PCIR_MEMLIMIT0_2 0x20
185 #define	PCIR_MEMBASE1_2	0x24
186 #define	PCIR_MEMLIMIT1_2 0x28
187 #define	PCIR_IOBASE0_2	0x2c
188 #define	PCIR_IOLIMIT0_2	0x30
189 #define	PCIR_IOBASE1_2	0x34
190 #define	PCIR_IOLIMIT1_2	0x38
191 
192 #define	PCIR_BRIDGECTL_2 0x3e
193 
194 #define	PCIR_SUBVEND_2	0x40
195 #define	PCIR_SUBDEV_2	0x42
196 
197 #define	PCIR_PCCARDIF_2	0x44
198 
199 /* PCI device class, subclass and programming interface definitions */
200 
201 #define	PCIC_OLD	0x00
202 #define	PCIS_OLD_NONVGA		0x00
203 #define	PCIS_OLD_VGA		0x01
204 
205 #define	PCIC_STORAGE	0x01
206 #define	PCIS_STORAGE_SCSI	0x00
207 #define	PCIS_STORAGE_IDE	0x01
208 #define	PCIP_STORAGE_IDE_MODEPRIM	0x01
209 #define	PCIP_STORAGE_IDE_PROGINDPRIM	0x02
210 #define	PCIP_STORAGE_IDE_MODESEC	0x04
211 #define	PCIP_STORAGE_IDE_PROGINDSEC	0x08
212 #define	PCIP_STORAGE_IDE_MASTERDEV	0x80
213 #define	PCIS_STORAGE_FLOPPY	0x02
214 #define	PCIS_STORAGE_IPI	0x03
215 #define	PCIS_STORAGE_RAID	0x04
216 #define	PCIS_STORAGE_OTHER	0x80
217 
218 #define	PCIC_NETWORK	0x02
219 #define	PCIS_NETWORK_ETHERNET	0x00
220 #define	PCIS_NETWORK_TOKENRING	0x01
221 #define	PCIS_NETWORK_FDDI	0x02
222 #define	PCIS_NETWORK_ATM	0x03
223 #define	PCIS_NETWORK_ISDN	0x04
224 #define	PCIS_NETWORK_OTHER	0x80
225 
226 #define	PCIC_DISPLAY	0x03
227 #define	PCIS_DISPLAY_VGA	0x00
228 #define	PCIS_DISPLAY_XGA	0x01
229 #define	PCIS_DISPLAY_3D		0x02
230 #define	PCIS_DISPLAY_OTHER	0x80
231 
232 #define	PCIC_MULTIMEDIA	0x04
233 #define	PCIS_MULTIMEDIA_VIDEO	0x00
234 #define	PCIS_MULTIMEDIA_AUDIO	0x01
235 #define	PCIS_MULTIMEDIA_TELE	0x02
236 #define	PCIS_MULTIMEDIA_OTHER	0x80
237 
238 #define	PCIC_MEMORY	0x05
239 #define	PCIS_MEMORY_RAM		0x00
240 #define	PCIS_MEMORY_FLASH	0x01
241 #define	PCIS_MEMORY_OTHER	0x80
242 
243 #define	PCIC_BRIDGE	0x06
244 #define	PCIS_BRIDGE_HOST	0x00
245 #define	PCIS_BRIDGE_ISA		0x01
246 #define	PCIS_BRIDGE_EISA	0x02
247 #define	PCIS_BRIDGE_MCA		0x03
248 #define	PCIS_BRIDGE_PCI		0x04
249 #define	PCIS_BRIDGE_PCMCIA	0x05
250 #define	PCIS_BRIDGE_NUBUS	0x06
251 #define	PCIS_BRIDGE_CARDBUS	0x07
252 #define	PCIS_BRIDGE_RACEWAY	0x08
253 #define	PCIS_BRIDGE_OTHER	0x80
254 
255 #define	PCIC_SIMPLECOMM	0x07
256 #define	PCIS_SIMPLECOMM_UART	0x00
257 #define	PCIP_SIMPLECOMM_UART_16550A	0x02
258 #define	PCIS_SIMPLECOMM_PAR	0x01
259 #define	PCIS_SIMPLECOMM_MULSER	0x02
260 #define	PCIS_SIMPLECOMM_MODEM	0x03
261 #define	PCIS_SIMPLECOMM_OTHER	0x80
262 
263 #define	PCIC_BASEPERIPH	0x08
264 #define	PCIS_BASEPERIPH_PIC	0x00
265 #define	PCIS_BASEPERIPH_DMA	0x01
266 #define	PCIS_BASEPERIPH_TIMER	0x02
267 #define	PCIS_BASEPERIPH_RTC	0x03
268 #define	PCIS_BASEPERIPH_PCIHOT	0x04
269 #define	PCIS_BASEPERIPH_SDHC	0x05
270 #define	PCIS_BASEPERIPH_OTHER	0x80
271 
272 #define	PCIC_INPUTDEV	0x09
273 #define	PCIS_INPUTDEV_KEYBOARD	0x00
274 #define	PCIS_INPUTDEV_DIGITIZER	0x01
275 #define	PCIS_INPUTDEV_MOUSE	0x02
276 #define	PCIS_INPUTDEV_SCANNER	0x03
277 #define	PCIS_INPUTDEV_GAMEPORT	0x04
278 #define	PCIS_INPUTDEV_OTHER	0x80
279 
280 #define	PCIC_DOCKING	0x0a
281 #define	PCIS_DOCKING_GENERIC	0x00
282 #define	PCIS_DOCKING_OTHER	0x80
283 
284 #define	PCIC_PROCESSOR	0x0b
285 #define	PCIS_PROCESSOR_386	0x00
286 #define	PCIS_PROCESSOR_486	0x01
287 #define	PCIS_PROCESSOR_PENTIUM	0x02
288 #define	PCIS_PROCESSOR_ALPHA	0x10
289 #define	PCIS_PROCESSOR_POWERPC	0x20
290 #define	PCIS_PROCESSOR_MIPS	0x30
291 #define	PCIS_PROCESSOR_COPROC	0x40
292 
293 #define	PCIC_SERIALBUS	0x0c
294 #define	PCIS_SERIALBUS_FW	0x00
295 #define	PCIS_SERIALBUS_ACCESS	0x01
296 #define	PCIS_SERIALBUS_SSA	0x02
297 #define	PCIS_SERIALBUS_USB	0x03
298 #define	PCIP_SERIALBUS_USB_UHCI	0x00
299 #define	PCIP_SERIALBUS_USB_OHCI	0x10
300 #define	PCIP_SERIALBUS_USB_EHCI	0x20
301 #define	PCIS_SERIALBUS_FC	0x04
302 #define	PCIS_SERIALBUS_SMBUS	0x05
303 
304 #define	PCIC_WIRELESS	0x0d
305 #define	PCIS_WIRELESS_IRDA	0x00
306 #define	PCIS_WIRELESS_IR	0x01
307 #define	PCIS_WIRELESS_RF	0x10
308 #define	PCIS_WIRELESS_OTHER	0x80
309 
310 #define	PCIC_INTELLIIO	0x0e
311 #define	PCIS_INTELLIIO_I2O	0x00
312 
313 #define	PCIC_SATCOM	0x0f
314 #define	PCIS_SATCOM_TV		0x01
315 #define	PCIS_SATCOM_AUDIO	0x02
316 #define	PCIS_SATCOM_VOICE	0x03
317 #define	PCIS_SATCOM_DATA	0x04
318 
319 #define	PCIC_CRYPTO	0x10
320 #define	PCIS_CRYPTO_NETCOMP	0x00
321 #define	PCIS_CRYPTO_ENTERTAIN	0x10
322 #define	PCIS_CRYPTO_OTHER	0x80
323 
324 #define	PCIC_DASP	0x11
325 #define	PCIS_DASP_DPIO	0x00
326 #define	PCIS_DASP_OTHER	0x80
327 
328 #define	PCIC_OTHER	0xff
329 
330 /* Bridge Control Values. */
331 #define	PCIB_BCR_PERR_ENABLE		0x0001
332 #define	PCIB_BCR_SERR_ENABLE		0x0002
333 #define	PCIB_BCR_ISA_ENABLE		0x0004
334 #define	PCIB_BCR_VGA_ENABLE		0x0008
335 #define	PCIB_BCR_MASTER_ABORT_MODE	0x0020
336 #define	PCIB_BCR_SECBUS_RESET		0x0040
337 #define	PCIB_BCR_SECBUS_BACKTOBACK	0x0080
338 #define	PCIB_BCR_PRI_DISCARD_TIMEOUT	0x0100
339 #define	PCIB_BCR_SEC_DISCARD_TIMEOUT	0x0200
340 #define	PCIB_BCR_DISCARD_TIMER_STATUS	0x0400
341 #define	PCIB_BCR_DISCARD_TIMER_SERREN	0x0800
342 
343 /* PCI power manangement */
344 
345 #define	PCIR_POWER_CAP		0x2
346 #define	PCIM_PCAP_SPEC			0x0007
347 #define	PCIM_PCAP_PMEREQCLK		0x0008
348 #define	PCIM_PCAP_PMEREQPWR		0x0010
349 #define	PCIM_PCAP_DEVSPECINIT		0x0020
350 #define	PCIM_PCAP_DYNCLOCK		0x0040
351 #define	PCIM_PCAP_SECCLOCK		0x00c0
352 #define	PCIM_PCAP_CLOCKMASK		0x00c0
353 #define	PCIM_PCAP_REQFULLCLOCK		0x0100
354 #define	PCIM_PCAP_D1SUPP		0x0200
355 #define	PCIM_PCAP_D2SUPP		0x0400
356 #define	PCIM_PCAP_D0PME			0x1000
357 #define	PCIM_PCAP_D1PME			0x2000
358 #define	PCIM_PCAP_D2PME			0x4000
359 
360 #define	PCIR_POWER_STATUS	0x4
361 #define	PCIM_PSTAT_D0			0x0000
362 #define	PCIM_PSTAT_D1			0x0001
363 #define	PCIM_PSTAT_D2			0x0002
364 #define	PCIM_PSTAT_D3			0x0003
365 #define	PCIM_PSTAT_DMASK		0x0003
366 #define	PCIM_PSTAT_REPENABLE		0x0010
367 #define	PCIM_PSTAT_PMEENABLE		0x0100
368 #define	PCIM_PSTAT_D0POWER		0x0000
369 #define	PCIM_PSTAT_D1POWER		0x0200
370 #define	PCIM_PSTAT_D2POWER		0x0400
371 #define	PCIM_PSTAT_D3POWER		0x0600
372 #define	PCIM_PSTAT_D0HEAT		0x0800
373 #define	PCIM_PSTAT_D1HEAT		0x1000
374 #define	PCIM_PSTAT_D2HEAT		0x1200
375 #define	PCIM_PSTAT_D3HEAT		0x1400
376 #define	PCIM_PSTAT_DATAUNKN		0x0000
377 #define	PCIM_PSTAT_DATADIV10		0x2000
378 #define	PCIM_PSTAT_DATADIV100		0x4000
379 #define	PCIM_PSTAT_DATADIV1000		0x6000
380 #define	PCIM_PSTAT_DATADIVMASK		0x6000
381 #define	PCIM_PSTAT_PME			0x8000
382 
383 #define	PCIR_POWER_PMCSR	0x6
384 #define	PCIM_PMCSR_DCLOCK		0x10
385 #define	PCIM_PMCSR_B2SUPP		0x20
386 #define	PCIM_BMCSR_B3SUPP		0x40
387 #define	PCIM_BMCSR_BPCE			0x80
388 
389 #define	PCIR_POWER_DATA		0x7
390 
391 /* PCI Message Signalled Interrupts (MSI) */
392 #define	PCIR_MSI_CTRL		0x2
393 #define	PCIM_MSICTRL_VECTOR		0x0100
394 #define	PCIM_MSICTRL_64BIT		0x0080
395 #define	PCIM_MSICTRL_MME_MASK		0x0070
396 #define	PCIM_MSICTRL_MME_1		0x0000
397 #define	PCIM_MSICTRL_MME_2		0x0010
398 #define	PCIM_MSICTRL_MME_4		0x0020
399 #define	PCIM_MSICTRL_MME_8		0x0030
400 #define	PCIM_MSICTRL_MME_16		0x0040
401 #define	PCIM_MSICTRL_MME_32		0x0050
402 #define	PCIM_MSICTRL_MMC_MASK		0x000E
403 #define	PCIM_MSICTRL_MMC_1		0x0000
404 #define	PCIM_MSICTRL_MMC_2		0x0002
405 #define	PCIM_MSICTRL_MMC_4		0x0004
406 #define	PCIM_MSICTRL_MMC_8		0x0006
407 #define	PCIM_MSICTRL_MMC_16		0x0008
408 #define	PCIM_MSICTRL_MMC_32		0x000A
409 #define	PCIM_MSICTRL_MSI_ENABLE		0x0001
410 #define	PCIR_MSI_ADDR		0x4
411 #define	PCIR_MSI_ADDR_HIGH	0x8
412 #define	PCIR_MSI_DATA		0x8
413 #define	PCIR_MSI_DATA_64BIT	0xc
414 #define	PCIR_MSI_MASK		0x10
415 #define	PCIR_MSI_PENDING	0x14
416 
417 /* PCI-X definitions */
418 #define	PCIXR_COMMAND	0x96
419 #define	PCIXR_DEVADDR	0x98
420 #define	PCIXM_DEVADDR_FNUM	0x0003	/* Function Number */
421 #define	PCIXM_DEVADDR_DNUM	0x00F8	/* Device Number */
422 #define	PCIXM_DEVADDR_BNUM	0xFF00	/* Bus Number */
423 #define	PCIXR_STATUS	0x9A
424 #define	PCIXM_STATUS_64BIT	0x0001	/* Active 64bit connection to device. */
425 #define	PCIXM_STATUS_133CAP	0x0002	/* Device is 133MHz capable */
426 #define	PCIXM_STATUS_SCDISC	0x0004	/* Split Completion Discarded */
427 #define	PCIXM_STATUS_UNEXPSC	0x0008	/* Unexpected Split Completion */
428 #define	PCIXM_STATUS_CMPLEXDEV	0x0010	/* Device Complexity (set == bridge) */
429 #define	PCIXM_STATUS_MAXMRDBC	0x0060	/* Maximum Burst Read Count */
430 #define	PCIXM_STATUS_MAXSPLITS	0x0380	/* Maximum Split Transactions */
431 #define	PCIXM_STATUS_MAXCRDS	0x1C00	/* Maximum Cumulative Read Size */
432 #define	PCIXM_STATUS_RCVDSCEM	0x2000	/* Received a Split Comp w/Error msg */
433 
434 /* HT (HyperTransport) Capability definitions */
435 #define	PCIR_HT_COMMAND		0x2
436 #define	PCIM_HTCMD_CAP_MASK		0xf800	/* Capability type. */
437 #define	PCIM_HTCAP_SLAVE		0x0000	/* 000xx */
438 #define	PCIM_HTCAP_HOST			0x2000	/* 001xx */
439 #define	PCIM_HTCAP_SWITCH		0x4000	/* 01000 */
440 #define	PCIM_HTCAP_INTERRUPT		0x8000	/* 10000 */
441 #define	PCIM_HTCAP_REVISION_ID		0x8800	/* 10001 */
442 #define	PCIM_HTCAP_UNITID_CLUMPING	0x9000	/* 10010 */
443 #define	PCIM_HTCAP_EXT_CONFIG_SPACE	0x9800	/* 10011 */
444 #define	PCIM_HTCAP_ADDRESS_MAPPING	0xa000	/* 10100 */
445 #define	PCIM_HTCAP_MSI_MAPPING		0xa800	/* 10101 */
446 #define	PCIM_HTCAP_DIRECT_ROUTE		0xb000	/* 10110 */
447 #define	PCIM_HTCAP_VCSET		0xb800	/* 10111 */
448 #define	PCIM_HTCAP_RETRY_MODE		0xc000	/* 11000 */
449 
450 /* HT MSI Mapping Capability definitions. */
451 #define	PCIM_HTCMD_MSI_ENABLE		0x0001
452 #define	PCIR_HTMSI_ADDRESS_LO	0x4
453 #define	PCIR_HTMSI_ADDRESS_HI	0x8
454 
455 /* MSI-X definitions */
456 #define	PCIR_MSIX_CTRL		0x2
457 #define	PCIM_MSIXCTRL_MSIX_ENABLE	0x8000
458 #define	PCIM_MSIXCTRL_FUNCTION_MASK	0x4000
459 #define	PCIM_MSIXCTRL_TABLE_SIZE	0x07FF
460 #define	PCIR_MSIX_TABLE		0x4
461 #define	PCIR_MSIX_PBA		0x8
462 #define	PCIM_MSIX_BIR_MASK		0x7
463 #define	PCIM_MSIX_BIR_BAR_10		0
464 #define	PCIM_MSIX_BIR_BAR_14		1
465 #define	PCIM_MSIX_BIR_BAR_18		2
466 #define	PCIM_MSIX_BIR_BAR_1C		3
467 #define	PCIM_MSIX_BIR_BAR_20		4
468 #define	PCIM_MSIX_BIR_BAR_24		5
469 #define	PCIM_MSIX_VCTRL_MASK		0x1
470