xref: /freebsd/sys/dev/pci/pcireg.h (revision bb15ca603fa442c72dde3f3cb8b46db6970e3950)
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  * PCIZ_xxx: extended capability identification number
40  */
41 
42 /* some PCI bus constants */
43 #define	PCI_DOMAINMAX	65535	/* highest supported domain number */
44 #define	PCI_BUSMAX	255	/* highest supported bus number */
45 #define	PCI_SLOTMAX	31	/* highest supported slot number */
46 #define	PCI_FUNCMAX	7	/* highest supported function number */
47 #define	PCI_REGMAX	255	/* highest supported config register addr. */
48 #define	PCIE_REGMAX	4095	/* highest supported config register addr. */
49 #define	PCI_MAXHDRTYPE	2
50 
51 /* PCI config header registers for all devices */
52 
53 #define	PCIR_DEVVENDOR	0x00
54 #define	PCIR_VENDOR	0x00
55 #define	PCIR_DEVICE	0x02
56 #define	PCIR_COMMAND	0x04
57 #define	PCIM_CMD_PORTEN		0x0001
58 #define	PCIM_CMD_MEMEN		0x0002
59 #define	PCIM_CMD_BUSMASTEREN	0x0004
60 #define	PCIM_CMD_SPECIALEN	0x0008
61 #define	PCIM_CMD_MWRICEN	0x0010
62 #define	PCIM_CMD_PERRESPEN	0x0040
63 #define	PCIM_CMD_SERRESPEN	0x0100
64 #define	PCIM_CMD_BACKTOBACK	0x0200
65 #define	PCIM_CMD_INTxDIS	0x0400
66 #define	PCIR_STATUS	0x06
67 #define	PCIM_STATUS_CAPPRESENT	0x0010
68 #define	PCIM_STATUS_66CAPABLE	0x0020
69 #define	PCIM_STATUS_BACKTOBACK	0x0080
70 #define	PCIM_STATUS_MDPERR	0x0100
71 #define	PCIM_STATUS_SEL_FAST	0x0000
72 #define	PCIM_STATUS_SEL_MEDIMUM	0x0200
73 #define	PCIM_STATUS_SEL_SLOW	0x0400
74 #define	PCIM_STATUS_SEL_MASK	0x0600
75 #define	PCIM_STATUS_STABORT	0x0800
76 #define	PCIM_STATUS_RTABORT	0x1000
77 #define	PCIM_STATUS_RMABORT	0x2000
78 #define	PCIM_STATUS_SERR	0x4000
79 #define	PCIM_STATUS_PERR	0x8000
80 #define	PCIR_REVID	0x08
81 #define	PCIR_PROGIF	0x09
82 #define	PCIR_SUBCLASS	0x0a
83 #define	PCIR_CLASS	0x0b
84 #define	PCIR_CACHELNSZ	0x0c
85 #define	PCIR_LATTIMER	0x0d
86 #define	PCIR_HDRTYPE	0x0e
87 #define	PCIM_HDRTYPE		0x7f
88 #define	PCIM_HDRTYPE_NORMAL	0x00
89 #define	PCIM_HDRTYPE_BRIDGE	0x01
90 #define	PCIM_HDRTYPE_CARDBUS	0x02
91 #define	PCIM_MFDEV		0x80
92 #define	PCIR_BIST	0x0f
93 
94 /* Capability Register Offsets */
95 
96 #define	PCICAP_ID	0x0
97 #define	PCICAP_NEXTPTR	0x1
98 
99 /* Capability Identification Numbers */
100 
101 #define	PCIY_PMG	0x01	/* PCI Power Management */
102 #define	PCIY_AGP	0x02	/* AGP */
103 #define	PCIY_VPD	0x03	/* Vital Product Data */
104 #define	PCIY_SLOTID	0x04	/* Slot Identification */
105 #define	PCIY_MSI	0x05	/* Message Signaled Interrupts */
106 #define	PCIY_CHSWP	0x06	/* CompactPCI Hot Swap */
107 #define	PCIY_PCIX	0x07	/* PCI-X */
108 #define	PCIY_HT		0x08	/* HyperTransport */
109 #define	PCIY_VENDOR	0x09	/* Vendor Unique */
110 #define	PCIY_DEBUG	0x0a	/* Debug port */
111 #define	PCIY_CRES	0x0b	/* CompactPCI central resource control */
112 #define	PCIY_HOTPLUG	0x0c	/* PCI Hot-Plug */
113 #define	PCIY_SUBVENDOR	0x0d	/* PCI-PCI bridge subvendor ID */
114 #define	PCIY_AGP8X	0x0e	/* AGP 8x */
115 #define	PCIY_SECDEV	0x0f	/* Secure Device */
116 #define	PCIY_EXPRESS	0x10	/* PCI Express */
117 #define	PCIY_MSIX	0x11	/* MSI-X */
118 #define	PCIY_SATA	0x12	/* SATA */
119 #define	PCIY_PCIAF	0x13	/* PCI Advanced Features */
120 
121 /* Extended Capability Register Fields */
122 
123 #define	PCIR_EXTCAP	0x100
124 #define	PCIM_EXTCAP_ID		0x0000ffff
125 #define	PCIM_EXTCAP_VER		0x000f0000
126 #define	PCIM_EXTCAP_NEXTPTR	0xfff00000
127 #define	PCI_EXTCAP_ID(ecap)	((ecap) & PCIM_EXTCAP_ID)
128 #define	PCI_EXTCAP_VER(ecap)	(((ecap) & PCIM_EXTCAP_VER) >> 16)
129 #define	PCI_EXTCAP_NEXTPTR(ecap) (((ecap) & PCIM_EXTCAP_NEXTPTR) >> 20)
130 
131 /* Extended Capability Identification Numbers */
132 
133 #define	PCIZ_AER	0x0001	/* Advanced Error Reporting */
134 #define	PCIZ_VC		0x0002	/* Virtual Channel */
135 #define	PCIZ_SERNUM	0x0003	/* Device Serial Number */
136 #define	PCIZ_PWRBDGT	0x0004	/* Power Budgeting */
137 #define	PCIZ_VENDOR	0x000b	/* Vendor Unique */
138 #define	PCIZ_ACS	0x000d	/* Access Control Services */
139 #define	PCIZ_ARI	0x000e	/* Alternative Routing-ID Interpretation */
140 #define	PCIZ_ATS	0x000f	/* Address Translation Services */
141 #define	PCIZ_SRIOV	0x0010	/* Single Root IO Virtualization */
142 
143 /* config registers for header type 0 devices */
144 
145 #define	PCIR_BARS	0x10
146 #define	PCIR_BAR(x)		(PCIR_BARS + (x) * 4)
147 #define	PCIR_MAX_BAR_0		5
148 #define	PCI_RID2BAR(rid)	(((rid) - PCIR_BARS) / 4)
149 #define	PCI_BAR_IO(x)		(((x) & PCIM_BAR_SPACE) == PCIM_BAR_IO_SPACE)
150 #define	PCI_BAR_MEM(x)		(((x) & PCIM_BAR_SPACE) == PCIM_BAR_MEM_SPACE)
151 #define	PCIM_BAR_SPACE		0x00000001
152 #define	PCIM_BAR_MEM_SPACE	0
153 #define	PCIM_BAR_IO_SPACE	1
154 #define	PCIM_BAR_MEM_TYPE	0x00000006
155 #define	PCIM_BAR_MEM_32		0
156 #define	PCIM_BAR_MEM_1MB	2	/* Locate below 1MB in PCI <= 2.1 */
157 #define	PCIM_BAR_MEM_64		4
158 #define	PCIM_BAR_MEM_PREFETCH	0x00000008
159 #define	PCIM_BAR_MEM_BASE	0xfffffffffffffff0ULL
160 #define	PCIM_BAR_IO_RESERVED	0x00000002
161 #define	PCIM_BAR_IO_BASE	0xfffffffc
162 #define	PCIR_CIS	0x28
163 #define	PCIM_CIS_ASI_MASK	0x00000007
164 #define	PCIM_CIS_ASI_CONFIG	0
165 #define	PCIM_CIS_ASI_BAR0	1
166 #define	PCIM_CIS_ASI_BAR1	2
167 #define	PCIM_CIS_ASI_BAR2	3
168 #define	PCIM_CIS_ASI_BAR3	4
169 #define	PCIM_CIS_ASI_BAR4	5
170 #define	PCIM_CIS_ASI_BAR5	6
171 #define	PCIM_CIS_ASI_ROM	7
172 #define	PCIM_CIS_ADDR_MASK	0x0ffffff8
173 #define	PCIM_CIS_ROM_MASK	0xf0000000
174 #define PCIM_CIS_CONFIG_MASK	0xff
175 #define	PCIR_SUBVEND_0	0x2c
176 #define	PCIR_SUBDEV_0	0x2e
177 #define	PCIR_BIOS	0x30
178 #define	PCIM_BIOS_ENABLE	0x01
179 #define	PCIM_BIOS_ADDR_MASK	0xfffff800
180 #define	PCIR_CAP_PTR	0x34
181 #define	PCIR_INTLINE	0x3c
182 #define	PCIR_INTPIN	0x3d
183 #define	PCIR_MINGNT	0x3e
184 #define	PCIR_MAXLAT	0x3f
185 
186 /* config registers for header type 1 (PCI-to-PCI bridge) devices */
187 
188 #define	PCIR_MAX_BAR_1	1
189 #define	PCIR_SECSTAT_1	0x1e
190 
191 #define	PCIR_PRIBUS_1	0x18
192 #define	PCIR_SECBUS_1	0x19
193 #define	PCIR_SUBBUS_1	0x1a
194 #define	PCIR_SECLAT_1	0x1b
195 
196 #define	PCIR_IOBASEL_1	0x1c
197 #define	PCIR_IOLIMITL_1	0x1d
198 #define	PCIR_IOBASEH_1	0x30
199 #define	PCIR_IOLIMITH_1	0x32
200 #define	PCIM_BRIO_16		0x0
201 #define	PCIM_BRIO_32		0x1
202 #define	PCIM_BRIO_MASK		0xf
203 
204 #define	PCIR_MEMBASE_1	0x20
205 #define	PCIR_MEMLIMIT_1	0x22
206 
207 #define	PCIR_PMBASEL_1	0x24
208 #define	PCIR_PMLIMITL_1	0x26
209 #define	PCIR_PMBASEH_1	0x28
210 #define	PCIR_PMLIMITH_1	0x2c
211 #define	PCIM_BRPM_32		0x0
212 #define	PCIM_BRPM_64		0x1
213 #define	PCIM_BRPM_MASK		0xf
214 
215 #define	PCIR_BIOS_1	0x38
216 #define	PCIR_BRIDGECTL_1 0x3e
217 
218 /* config registers for header type 2 (CardBus) devices */
219 
220 #define	PCIR_MAX_BAR_2	0
221 #define	PCIR_CAP_PTR_2	0x14
222 #define	PCIR_SECSTAT_2	0x16
223 
224 #define	PCIR_PRIBUS_2	0x18
225 #define	PCIR_SECBUS_2	0x19
226 #define	PCIR_SUBBUS_2	0x1a
227 #define	PCIR_SECLAT_2	0x1b
228 
229 #define	PCIR_MEMBASE0_2	0x1c
230 #define	PCIR_MEMLIMIT0_2 0x20
231 #define	PCIR_MEMBASE1_2	0x24
232 #define	PCIR_MEMLIMIT1_2 0x28
233 #define	PCIR_IOBASE0_2	0x2c
234 #define	PCIR_IOLIMIT0_2	0x30
235 #define	PCIR_IOBASE1_2	0x34
236 #define	PCIR_IOLIMIT1_2	0x38
237 
238 #define	PCIR_BRIDGECTL_2 0x3e
239 
240 #define	PCIR_SUBVEND_2	0x40
241 #define	PCIR_SUBDEV_2	0x42
242 
243 #define	PCIR_PCCARDIF_2	0x44
244 
245 /* PCI device class, subclass and programming interface definitions */
246 
247 #define	PCIC_OLD	0x00
248 #define	PCIS_OLD_NONVGA		0x00
249 #define	PCIS_OLD_VGA		0x01
250 
251 #define	PCIC_STORAGE	0x01
252 #define	PCIS_STORAGE_SCSI	0x00
253 #define	PCIS_STORAGE_IDE	0x01
254 #define	PCIP_STORAGE_IDE_MODEPRIM	0x01
255 #define	PCIP_STORAGE_IDE_PROGINDPRIM	0x02
256 #define	PCIP_STORAGE_IDE_MODESEC	0x04
257 #define	PCIP_STORAGE_IDE_PROGINDSEC	0x08
258 #define	PCIP_STORAGE_IDE_MASTERDEV	0x80
259 #define	PCIS_STORAGE_FLOPPY	0x02
260 #define	PCIS_STORAGE_IPI	0x03
261 #define	PCIS_STORAGE_RAID	0x04
262 #define	PCIS_STORAGE_ATA_ADMA	0x05
263 #define	PCIS_STORAGE_SATA	0x06
264 #define	PCIP_STORAGE_SATA_AHCI_1_0	0x01
265 #define	PCIS_STORAGE_SAS	0x07
266 #define	PCIS_STORAGE_OTHER	0x80
267 
268 #define	PCIC_NETWORK	0x02
269 #define	PCIS_NETWORK_ETHERNET	0x00
270 #define	PCIS_NETWORK_TOKENRING	0x01
271 #define	PCIS_NETWORK_FDDI	0x02
272 #define	PCIS_NETWORK_ATM	0x03
273 #define	PCIS_NETWORK_ISDN	0x04
274 #define	PCIS_NETWORK_WORLDFIP	0x05
275 #define	PCIS_NETWORK_PICMG	0x06
276 #define	PCIS_NETWORK_OTHER	0x80
277 
278 #define	PCIC_DISPLAY	0x03
279 #define	PCIS_DISPLAY_VGA	0x00
280 #define	PCIS_DISPLAY_XGA	0x01
281 #define	PCIS_DISPLAY_3D		0x02
282 #define	PCIS_DISPLAY_OTHER	0x80
283 
284 #define	PCIC_MULTIMEDIA	0x04
285 #define	PCIS_MULTIMEDIA_VIDEO	0x00
286 #define	PCIS_MULTIMEDIA_AUDIO	0x01
287 #define	PCIS_MULTIMEDIA_TELE	0x02
288 #define	PCIS_MULTIMEDIA_HDA	0x03
289 #define	PCIS_MULTIMEDIA_OTHER	0x80
290 
291 #define	PCIC_MEMORY	0x05
292 #define	PCIS_MEMORY_RAM		0x00
293 #define	PCIS_MEMORY_FLASH	0x01
294 #define	PCIS_MEMORY_OTHER	0x80
295 
296 #define	PCIC_BRIDGE	0x06
297 #define	PCIS_BRIDGE_HOST	0x00
298 #define	PCIS_BRIDGE_ISA		0x01
299 #define	PCIS_BRIDGE_EISA	0x02
300 #define	PCIS_BRIDGE_MCA		0x03
301 #define	PCIS_BRIDGE_PCI		0x04
302 #define	PCIP_BRIDGE_PCI_SUBTRACTIVE	0x01
303 #define	PCIS_BRIDGE_PCMCIA	0x05
304 #define	PCIS_BRIDGE_NUBUS	0x06
305 #define	PCIS_BRIDGE_CARDBUS	0x07
306 #define	PCIS_BRIDGE_RACEWAY	0x08
307 #define	PCIS_BRIDGE_PCI_TRANSPARENT 0x09
308 #define	PCIS_BRIDGE_INFINIBAND	0x0a
309 #define	PCIS_BRIDGE_OTHER	0x80
310 
311 #define	PCIC_SIMPLECOMM	0x07
312 #define	PCIS_SIMPLECOMM_UART	0x00
313 #define	PCIP_SIMPLECOMM_UART_8250	0x00
314 #define	PCIP_SIMPLECOMM_UART_16450A	0x01
315 #define	PCIP_SIMPLECOMM_UART_16550A	0x02
316 #define	PCIP_SIMPLECOMM_UART_16650A	0x03
317 #define	PCIP_SIMPLECOMM_UART_16750A	0x04
318 #define	PCIP_SIMPLECOMM_UART_16850A	0x05
319 #define	PCIP_SIMPLECOMM_UART_16950A	0x06
320 #define	PCIS_SIMPLECOMM_PAR	0x01
321 #define	PCIS_SIMPLECOMM_MULSER	0x02
322 #define	PCIS_SIMPLECOMM_MODEM	0x03
323 #define	PCIS_SIMPLECOMM_GPIB	0x04
324 #define	PCIS_SIMPLECOMM_SMART_CARD 0x05
325 #define	PCIS_SIMPLECOMM_OTHER	0x80
326 
327 #define	PCIC_BASEPERIPH	0x08
328 #define	PCIS_BASEPERIPH_PIC	0x00
329 #define	PCIP_BASEPERIPH_PIC_8259A	0x00
330 #define	PCIP_BASEPERIPH_PIC_ISA		0x01
331 #define	PCIP_BASEPERIPH_PIC_EISA	0x02
332 #define	PCIP_BASEPERIPH_PIC_IO_APIC	0x10
333 #define	PCIP_BASEPERIPH_PIC_IOX_APIC	0x20
334 #define	PCIS_BASEPERIPH_DMA	0x01
335 #define	PCIS_BASEPERIPH_TIMER	0x02
336 #define	PCIS_BASEPERIPH_RTC	0x03
337 #define	PCIS_BASEPERIPH_PCIHOT	0x04
338 #define	PCIS_BASEPERIPH_SDHC	0x05
339 #define	PCIS_BASEPERIPH_OTHER	0x80
340 
341 #define	PCIC_INPUTDEV	0x09
342 #define	PCIS_INPUTDEV_KEYBOARD	0x00
343 #define	PCIS_INPUTDEV_DIGITIZER	0x01
344 #define	PCIS_INPUTDEV_MOUSE	0x02
345 #define	PCIS_INPUTDEV_SCANNER	0x03
346 #define	PCIS_INPUTDEV_GAMEPORT	0x04
347 #define	PCIS_INPUTDEV_OTHER	0x80
348 
349 #define	PCIC_DOCKING	0x0a
350 #define	PCIS_DOCKING_GENERIC	0x00
351 #define	PCIS_DOCKING_OTHER	0x80
352 
353 #define	PCIC_PROCESSOR	0x0b
354 #define	PCIS_PROCESSOR_386	0x00
355 #define	PCIS_PROCESSOR_486	0x01
356 #define	PCIS_PROCESSOR_PENTIUM	0x02
357 #define	PCIS_PROCESSOR_ALPHA	0x10
358 #define	PCIS_PROCESSOR_POWERPC	0x20
359 #define	PCIS_PROCESSOR_MIPS	0x30
360 #define	PCIS_PROCESSOR_COPROC	0x40
361 
362 #define	PCIC_SERIALBUS	0x0c
363 #define	PCIS_SERIALBUS_FW	0x00
364 #define	PCIS_SERIALBUS_ACCESS	0x01
365 #define	PCIS_SERIALBUS_SSA	0x02
366 #define	PCIS_SERIALBUS_USB	0x03
367 #define	PCIP_SERIALBUS_USB_UHCI		0x00
368 #define	PCIP_SERIALBUS_USB_OHCI		0x10
369 #define	PCIP_SERIALBUS_USB_EHCI		0x20
370 #define	PCIP_SERIALBUS_USB_XHCI		0x30
371 #define	PCIP_SERIALBUS_USB_DEVICE	0xfe
372 #define	PCIS_SERIALBUS_FC	0x04
373 #define	PCIS_SERIALBUS_SMBUS	0x05
374 #define	PCIS_SERIALBUS_INFINIBAND 0x06
375 #define	PCIS_SERIALBUS_IPMI	0x07
376 #define	PCIP_SERIALBUS_IPMI_SMIC	0x00
377 #define	PCIP_SERIALBUS_IPMI_KCS		0x01
378 #define	PCIP_SERIALBUS_IPMI_BT		0x02
379 #define	PCIS_SERIALBUS_SERCOS	0x08
380 #define	PCIS_SERIALBUS_CANBUS	0x09
381 
382 #define	PCIC_WIRELESS	0x0d
383 #define	PCIS_WIRELESS_IRDA	0x00
384 #define	PCIS_WIRELESS_IR	0x01
385 #define	PCIS_WIRELESS_RF	0x10
386 #define	PCIS_WIRELESS_BLUETOOTH	0x11
387 #define	PCIS_WIRELESS_BROADBAND	0x12
388 #define	PCIS_WIRELESS_80211A	0x20
389 #define	PCIS_WIRELESS_80211B	0x21
390 #define	PCIS_WIRELESS_OTHER	0x80
391 
392 #define	PCIC_INTELLIIO	0x0e
393 #define	PCIS_INTELLIIO_I2O	0x00
394 
395 #define	PCIC_SATCOM	0x0f
396 #define	PCIS_SATCOM_TV		0x01
397 #define	PCIS_SATCOM_AUDIO	0x02
398 #define	PCIS_SATCOM_VOICE	0x03
399 #define	PCIS_SATCOM_DATA	0x04
400 
401 #define	PCIC_CRYPTO	0x10
402 #define	PCIS_CRYPTO_NETCOMP	0x00
403 #define	PCIS_CRYPTO_ENTERTAIN	0x10
404 #define	PCIS_CRYPTO_OTHER	0x80
405 
406 #define	PCIC_DASP	0x11
407 #define	PCIS_DASP_DPIO		0x00
408 #define	PCIS_DASP_PERFCNTRS	0x01
409 #define	PCIS_DASP_COMM_SYNC	0x10
410 #define	PCIS_DASP_MGMT_CARD	0x20
411 #define	PCIS_DASP_OTHER		0x80
412 
413 #define	PCIC_OTHER	0xff
414 
415 /* Bridge Control Values. */
416 #define	PCIB_BCR_PERR_ENABLE		0x0001
417 #define	PCIB_BCR_SERR_ENABLE		0x0002
418 #define	PCIB_BCR_ISA_ENABLE		0x0004
419 #define	PCIB_BCR_VGA_ENABLE		0x0008
420 #define	PCIB_BCR_MASTER_ABORT_MODE	0x0020
421 #define	PCIB_BCR_SECBUS_RESET		0x0040
422 #define	PCIB_BCR_SECBUS_BACKTOBACK	0x0080
423 #define	PCIB_BCR_PRI_DISCARD_TIMEOUT	0x0100
424 #define	PCIB_BCR_SEC_DISCARD_TIMEOUT	0x0200
425 #define	PCIB_BCR_DISCARD_TIMER_STATUS	0x0400
426 #define	PCIB_BCR_DISCARD_TIMER_SERREN	0x0800
427 
428 /* PCI power manangement */
429 #define	PCIR_POWER_CAP		0x2
430 #define	PCIM_PCAP_SPEC			0x0007
431 #define	PCIM_PCAP_PMEREQCLK		0x0008
432 #define	PCIM_PCAP_DEVSPECINIT		0x0020
433 #define	PCIM_PCAP_AUXPWR_0		0x0000
434 #define	PCIM_PCAP_AUXPWR_55		0x0040
435 #define	PCIM_PCAP_AUXPWR_100		0x0080
436 #define	PCIM_PCAP_AUXPWR_160		0x00c0
437 #define	PCIM_PCAP_AUXPWR_220		0x0100
438 #define	PCIM_PCAP_AUXPWR_270		0x0140
439 #define	PCIM_PCAP_AUXPWR_320		0x0180
440 #define	PCIM_PCAP_AUXPWR_375		0x01c0
441 #define	PCIM_PCAP_AUXPWRMASK		0x01c0
442 #define	PCIM_PCAP_D1SUPP		0x0200
443 #define	PCIM_PCAP_D2SUPP		0x0400
444 #define	PCIM_PCAP_D0PME			0x0800
445 #define	PCIM_PCAP_D1PME			0x1000
446 #define	PCIM_PCAP_D2PME			0x2000
447 #define	PCIM_PCAP_D3PME_HOT		0x4000
448 #define	PCIM_PCAP_D3PME_COLD		0x8000
449 
450 #define	PCIR_POWER_STATUS	0x4
451 #define	PCIM_PSTAT_D0			0x0000
452 #define	PCIM_PSTAT_D1			0x0001
453 #define	PCIM_PSTAT_D2			0x0002
454 #define	PCIM_PSTAT_D3			0x0003
455 #define	PCIM_PSTAT_DMASK		0x0003
456 #define	PCIM_PSTAT_NOSOFTRESET		0x0008
457 #define	PCIM_PSTAT_PMEENABLE		0x0100
458 #define	PCIM_PSTAT_D0POWER		0x0000
459 #define	PCIM_PSTAT_D1POWER		0x0200
460 #define	PCIM_PSTAT_D2POWER		0x0400
461 #define	PCIM_PSTAT_D3POWER		0x0600
462 #define	PCIM_PSTAT_D0HEAT		0x0800
463 #define	PCIM_PSTAT_D1HEAT		0x0a00
464 #define	PCIM_PSTAT_D2HEAT		0x0c00
465 #define	PCIM_PSTAT_D3HEAT		0x0e00
466 #define	PCIM_PSTAT_DATASELMASK		0x1e00
467 #define	PCIM_PSTAT_DATAUNKN		0x0000
468 #define	PCIM_PSTAT_DATADIV10		0x2000
469 #define	PCIM_PSTAT_DATADIV100		0x4000
470 #define	PCIM_PSTAT_DATADIV1000		0x6000
471 #define	PCIM_PSTAT_DATADIVMASK		0x6000
472 #define	PCIM_PSTAT_PME			0x8000
473 
474 #define	PCIR_POWER_BSE		0x6
475 #define	PCIM_PMCSR_BSE_D3B3		0x00
476 #define	PCIM_PMCSR_BSE_D3B2		0x40
477 #define	PCIM_PMCSR_BSE_BPCCE		0x80
478 
479 #define	PCIR_POWER_DATA		0x7
480 
481 /* VPD capability registers */
482 #define	PCIR_VPD_ADDR		0x2
483 #define	PCIR_VPD_DATA		0x4
484 
485 /* PCI Message Signalled Interrupts (MSI) */
486 #define	PCIR_MSI_CTRL		0x2
487 #define	PCIM_MSICTRL_VECTOR		0x0100
488 #define	PCIM_MSICTRL_64BIT		0x0080
489 #define	PCIM_MSICTRL_MME_MASK		0x0070
490 #define	PCIM_MSICTRL_MME_1		0x0000
491 #define	PCIM_MSICTRL_MME_2		0x0010
492 #define	PCIM_MSICTRL_MME_4		0x0020
493 #define	PCIM_MSICTRL_MME_8		0x0030
494 #define	PCIM_MSICTRL_MME_16		0x0040
495 #define	PCIM_MSICTRL_MME_32		0x0050
496 #define	PCIM_MSICTRL_MMC_MASK		0x000E
497 #define	PCIM_MSICTRL_MMC_1		0x0000
498 #define	PCIM_MSICTRL_MMC_2		0x0002
499 #define	PCIM_MSICTRL_MMC_4		0x0004
500 #define	PCIM_MSICTRL_MMC_8		0x0006
501 #define	PCIM_MSICTRL_MMC_16		0x0008
502 #define	PCIM_MSICTRL_MMC_32		0x000A
503 #define	PCIM_MSICTRL_MSI_ENABLE		0x0001
504 #define	PCIR_MSI_ADDR		0x4
505 #define	PCIR_MSI_ADDR_HIGH	0x8
506 #define	PCIR_MSI_DATA		0x8
507 #define	PCIR_MSI_DATA_64BIT	0xc
508 #define	PCIR_MSI_MASK		0x10
509 #define	PCIR_MSI_PENDING	0x14
510 
511 /* PCI-X definitions */
512 
513 /* For header type 0 devices */
514 #define	PCIXR_COMMAND		0x2
515 #define	PCIXM_COMMAND_DPERR_E		0x0001	/* Data Parity Error Recovery */
516 #define	PCIXM_COMMAND_ERO		0x0002	/* Enable Relaxed Ordering */
517 #define	PCIXM_COMMAND_MAX_READ		0x000c	/* Maximum Burst Read Count */
518 #define	PCIXM_COMMAND_MAX_READ_512	0x0000
519 #define	PCIXM_COMMAND_MAX_READ_1024	0x0004
520 #define	PCIXM_COMMAND_MAX_READ_2048	0x0008
521 #define	PCIXM_COMMAND_MAX_READ_4096	0x000c
522 #define	PCIXM_COMMAND_MAX_SPLITS 	0x0070	/* Maximum Split Transactions */
523 #define	PCIXM_COMMAND_MAX_SPLITS_1	0x0000
524 #define	PCIXM_COMMAND_MAX_SPLITS_2	0x0010
525 #define	PCIXM_COMMAND_MAX_SPLITS_3	0x0020
526 #define	PCIXM_COMMAND_MAX_SPLITS_4	0x0030
527 #define	PCIXM_COMMAND_MAX_SPLITS_8	0x0040
528 #define	PCIXM_COMMAND_MAX_SPLITS_12	0x0050
529 #define	PCIXM_COMMAND_MAX_SPLITS_16	0x0060
530 #define	PCIXM_COMMAND_MAX_SPLITS_32	0x0070
531 #define	PCIXM_COMMAND_VERSION		0x3000
532 #define	PCIXR_STATUS		0x4
533 #define	PCIXM_STATUS_DEVFN		0x000000FF
534 #define	PCIXM_STATUS_BUS		0x0000FF00
535 #define	PCIXM_STATUS_64BIT		0x00010000
536 #define	PCIXM_STATUS_133CAP		0x00020000
537 #define	PCIXM_STATUS_SC_DISCARDED	0x00040000
538 #define	PCIXM_STATUS_UNEXP_SC		0x00080000
539 #define	PCIXM_STATUS_COMPLEX_DEV	0x00100000
540 #define	PCIXM_STATUS_MAX_READ		0x00600000
541 #define	PCIXM_STATUS_MAX_READ_512	0x00000000
542 #define	PCIXM_STATUS_MAX_READ_1024	0x00200000
543 #define	PCIXM_STATUS_MAX_READ_2048	0x00400000
544 #define	PCIXM_STATUS_MAX_READ_4096	0x00600000
545 #define	PCIXM_STATUS_MAX_SPLITS		0x03800000
546 #define	PCIXM_STATUS_MAX_SPLITS_1	0x00000000
547 #define	PCIXM_STATUS_MAX_SPLITS_2	0x00800000
548 #define	PCIXM_STATUS_MAX_SPLITS_3	0x01000000
549 #define	PCIXM_STATUS_MAX_SPLITS_4	0x01800000
550 #define	PCIXM_STATUS_MAX_SPLITS_8	0x02000000
551 #define	PCIXM_STATUS_MAX_SPLITS_12	0x02800000
552 #define	PCIXM_STATUS_MAX_SPLITS_16	0x03000000
553 #define	PCIXM_STATUS_MAX_SPLITS_32	0x03800000
554 #define	PCIXM_STATUS_MAX_CUM_READ	0x1C000000
555 #define	PCIXM_STATUS_RCVD_SC_ERR	0x20000000
556 #define	PCIXM_STATUS_266CAP		0x40000000
557 #define	PCIXM_STATUS_533CAP		0x80000000
558 
559 /* For header type 1 devices (PCI-X bridges) */
560 #define	PCIXR_SEC_STATUS	0x2
561 #define	PCIXM_SEC_STATUS_64BIT		0x0001
562 #define	PCIXM_SEC_STATUS_133CAP		0x0002
563 #define	PCIXM_SEC_STATUS_SC_DISC	0x0004
564 #define	PCIXM_SEC_STATUS_UNEXP_SC	0x0008
565 #define	PCIXM_SEC_STATUS_SC_OVERRUN	0x0010
566 #define	PCIXM_SEC_STATUS_SR_DELAYED	0x0020
567 #define	PCIXM_SEC_STATUS_BUS_MODE	0x03c0
568 #define	PCIXM_SEC_STATUS_VERSION	0x3000
569 #define	PCIXM_SEC_STATUS_266CAP		0x4000
570 #define	PCIXM_SEC_STATUS_533CAP		0x8000
571 #define	PCIXR_BRIDGE_STATUS	0x4
572 #define	PCIXM_BRIDGE_STATUS_DEVFN	0x000000FF
573 #define	PCIXM_BRIDGE_STATUS_BUS		0x0000FF00
574 #define	PCIXM_BRIDGE_STATUS_64BIT	0x00010000
575 #define	PCIXM_BRIDGE_STATUS_133CAP	0x00020000
576 #define	PCIXM_BRIDGE_STATUS_SC_DISCARDED 0x00040000
577 #define	PCIXM_BRIDGE_STATUS_UNEXP_SC	0x00080000
578 #define	PCIXM_BRIDGE_STATUS_SC_OVERRUN	0x00100000
579 #define	PCIXM_BRIDGE_STATUS_SR_DELAYED	0x00200000
580 #define	PCIXM_BRIDGE_STATUS_DEVID_MSGCAP 0x20000000
581 #define	PCIXM_BRIDGE_STATUS_266CAP	0x40000000
582 #define	PCIXM_BRIDGE_STATUS_533CAP	0x80000000
583 
584 /* HT (HyperTransport) Capability definitions */
585 #define	PCIR_HT_COMMAND		0x2
586 #define	PCIM_HTCMD_CAP_MASK		0xf800	/* Capability type. */
587 #define	PCIM_HTCAP_SLAVE		0x0000	/* 000xx */
588 #define	PCIM_HTCAP_HOST			0x2000	/* 001xx */
589 #define	PCIM_HTCAP_SWITCH		0x4000	/* 01000 */
590 #define	PCIM_HTCAP_INTERRUPT		0x8000	/* 10000 */
591 #define	PCIM_HTCAP_REVISION_ID		0x8800	/* 10001 */
592 #define	PCIM_HTCAP_UNITID_CLUMPING	0x9000	/* 10010 */
593 #define	PCIM_HTCAP_EXT_CONFIG_SPACE	0x9800	/* 10011 */
594 #define	PCIM_HTCAP_ADDRESS_MAPPING	0xa000	/* 10100 */
595 #define	PCIM_HTCAP_MSI_MAPPING		0xa800	/* 10101 */
596 #define	PCIM_HTCAP_DIRECT_ROUTE		0xb000	/* 10110 */
597 #define	PCIM_HTCAP_VCSET		0xb800	/* 10111 */
598 #define	PCIM_HTCAP_RETRY_MODE		0xc000	/* 11000 */
599 #define	PCIM_HTCAP_X86_ENCODING		0xc800	/* 11001 */
600 
601 /* HT MSI Mapping Capability definitions. */
602 #define	PCIM_HTCMD_MSI_ENABLE		0x0001
603 #define	PCIM_HTCMD_MSI_FIXED		0x0002
604 #define	PCIR_HTMSI_ADDRESS_LO	0x4
605 #define	PCIR_HTMSI_ADDRESS_HI	0x8
606 
607 /* PCI Vendor capability definitions */
608 #define	PCIR_VENDOR_LENGTH	0x2
609 #define	PCIR_VENDOR_DATA	0x3
610 
611 /* PCI EHCI Debug Port definitions */
612 #define	PCIR_DEBUG_PORT		0x2
613 #define	PCIM_DEBUG_PORT_OFFSET		0x1FFF
614 #define	PCIM_DEBUG_PORT_BAR		0xe000
615 
616 /* PCI-PCI Bridge Subvendor definitions */
617 #define	PCIR_SUBVENDCAP_ID	0x4
618 
619 /* PCI Express definitions */
620 #define	PCIR_EXPRESS_FLAGS	0x2
621 #define	PCIM_EXP_FLAGS_VERSION		0x000F
622 #define	PCIM_EXP_FLAGS_TYPE		0x00F0
623 #define	PCIM_EXP_TYPE_ENDPOINT		0x0000
624 #define	PCIM_EXP_TYPE_LEGACY_ENDPOINT	0x0010
625 #define	PCIM_EXP_TYPE_ROOT_PORT		0x0040
626 #define	PCIM_EXP_TYPE_UPSTREAM_PORT	0x0050
627 #define	PCIM_EXP_TYPE_DOWNSTREAM_PORT	0x0060
628 #define	PCIM_EXP_TYPE_PCI_BRIDGE	0x0070
629 #define	PCIM_EXP_TYPE_PCIE_BRIDGE	0x0080
630 #define	PCIM_EXP_TYPE_ROOT_INT_EP	0x0090
631 #define	PCIM_EXP_TYPE_ROOT_EC		0x00a0
632 #define	PCIM_EXP_FLAGS_SLOT		0x0100
633 #define	PCIM_EXP_FLAGS_IRQ		0x3e00
634 #define	PCIR_EXPRESS_DEVICE_CAP	0x4
635 #define	PCIM_EXP_CAP_MAX_PAYLOAD	0x0007
636 #define	PCIR_EXPRESS_DEVICE_CTL	0x8
637 #define	PCIM_EXP_CTL_NFER_ENABLE	0x0002
638 #define	PCIM_EXP_CTL_FER_ENABLE		0x0004
639 #define	PCIM_EXP_CTL_URR_ENABLE		0x0008
640 #define	PCIM_EXP_CTL_RELAXED_ORD_ENABLE	0x0010
641 #define	PCIM_EXP_CTL_MAX_PAYLOAD	0x00e0
642 #define	PCIM_EXP_CTL_NOSNOOP_ENABLE	0x0800
643 #define	PCIM_EXP_CTL_MAX_READ_REQUEST	0x7000
644 #define	PCIR_EXPRESS_DEVICE_STA	0xa
645 #define	PCIM_EXP_STA_CORRECTABLE_ERROR	0x0001
646 #define	PCIM_EXP_STA_NON_FATAL_ERROR	0x0002
647 #define	PCIM_EXP_STA_FATAL_ERROR	0x0004
648 #define	PCIM_EXP_STA_UNSUPPORTED_REQ	0x0008
649 #define	PCIM_EXP_STA_AUX_POWER		0x0010
650 #define	PCIM_EXP_STA_TRANSACTION_PND	0x0020
651 #define	PCIR_EXPRESS_LINK_CAP	0xc
652 #define	PCIM_LINK_CAP_MAX_SPEED		0x0000000f
653 #define	PCIM_LINK_CAP_MAX_WIDTH		0x000003f0
654 #define	PCIM_LINK_CAP_ASPM		0x00000c00
655 #define	PCIM_LINK_CAP_L0S_EXIT		0x00007000
656 #define	PCIM_LINK_CAP_L1_EXIT		0x00038000
657 #define	PCIM_LINK_CAP_PORT		0xff000000
658 #define	PCIR_EXPRESS_LINK_CTL	0x10
659 #define	PCIR_EXPRESS_LINK_STA	0x12
660 #define	PCIM_LINK_STA_SPEED		0x000f
661 #define	PCIM_LINK_STA_WIDTH		0x03f0
662 #define	PCIM_LINK_STA_TRAINING_ERROR	0x0400
663 #define	PCIM_LINK_STA_TRAINING		0x0800
664 #define	PCIM_LINK_STA_SLOT_CLOCK	0x1000
665 #define	PCIR_EXPRESS_SLOT_CAP	0x14
666 #define	PCIR_EXPRESS_SLOT_CTL	0x18
667 #define	PCIR_EXPRESS_SLOT_STA	0x1a
668 #define	PCIR_EXPRESS_ROOT_CTL	0x1c
669 #define	PCIR_EXPRESS_ROOT_STA	0x20
670 
671 /* MSI-X definitions */
672 #define	PCIR_MSIX_CTRL		0x2
673 #define	PCIM_MSIXCTRL_MSIX_ENABLE	0x8000
674 #define	PCIM_MSIXCTRL_FUNCTION_MASK	0x4000
675 #define	PCIM_MSIXCTRL_TABLE_SIZE	0x07FF
676 #define	PCIR_MSIX_TABLE		0x4
677 #define	PCIR_MSIX_PBA		0x8
678 #define	PCIM_MSIX_BIR_MASK		0x7
679 #define	PCIM_MSIX_BIR_BAR_10		0
680 #define	PCIM_MSIX_BIR_BAR_14		1
681 #define	PCIM_MSIX_BIR_BAR_18		2
682 #define	PCIM_MSIX_BIR_BAR_1C		3
683 #define	PCIM_MSIX_BIR_BAR_20		4
684 #define	PCIM_MSIX_BIR_BAR_24		5
685 #define	PCIM_MSIX_VCTRL_MASK		0x1
686 
687 /* PCI Advanced Features definitions */
688 #define	PCIR_PCIAF_CAP		0x3
689 #define	PCIM_PCIAFCAP_TP	0x01
690 #define	PCIM_PCIAFCAP_FLR	0x02
691 #define	PCIR_PCIAF_CTRL		0x4
692 #define	PCIR_PCIAFCTRL_FLR	0x01
693 #define	PCIR_PCIAF_STATUS	0x5
694 #define	PCIR_PCIAFSTATUS_TP	0x01
695 
696 /* Advanced Error Reporting */
697 #define	PCIR_AER_UC_STATUS	0x04
698 #define	PCIM_AER_UC_TRAINING_ERROR	0x00000001
699 #define	PCIM_AER_UC_DL_PROTOCOL_ERROR	0x00000010
700 #define	PCIM_AER_UC_POISONED_TLP	0x00001000
701 #define	PCIM_AER_UC_FC_PROTOCOL_ERROR	0x00002000
702 #define	PCIM_AER_UC_COMPLETION_TIMEOUT	0x00004000
703 #define	PCIM_AER_UC_COMPLETER_ABORT	0x00008000
704 #define	PCIM_AER_UC_UNEXPECTED_COMPLETION 0x00010000
705 #define	PCIM_AER_UC_RECEIVER_OVERFLOW	0x00020000
706 #define	PCIM_AER_UC_MALFORMED_TLP	0x00040000
707 #define	PCIM_AER_UC_ECRC_ERROR		0x00080000
708 #define	PCIM_AER_UC_UNSUPPORTED_REQUEST	0x00100000
709 #define	PCIM_AER_UC_ACS_VIOLATION	0x00200000
710 #define	PCIR_AER_UC_MASK	0x08	/* Shares bits with UC_STATUS */
711 #define	PCIR_AER_UC_SEVERITY	0x0c	/* Shares bits with UC_STATUS */
712 #define	PCIR_AER_COR_STATUS	0x10
713 #define	PCIM_AER_COR_RECEIVER_ERROR	0x00000001
714 #define	PCIM_AER_COR_BAD_TLP		0x00000040
715 #define	PCIM_AER_COR_BAD_DLLP		0x00000080
716 #define	PCIM_AER_COR_REPLAY_ROLLOVER	0x00000100
717 #define	PCIM_AER_COR_REPLAY_TIMEOUT	0x00001000
718 #define	PCIM_AER_COR_ADVISORY_NF_ERROR	0x00002000
719 #define	PCIR_AER_COR_MASK	0x14	/* Shares bits with COR_STATUS */
720 #define	PCIR_AER_CAP_CONTROL	0x18
721 #define	PCIM_AER_FIRST_ERROR_PTR	0x0000001f
722 #define	PCIM_AER_ECRC_GEN_CAPABLE	0x00000020
723 #define	PCIM_AER_ECRC_GEN_ENABLE	0x00000040
724 #define	PCIM_AER_ECRC_CHECK_CAPABLE	0x00000080
725 #define	PCIM_AER_ECRC_CHECK_ENABLE	0x00000100
726 #define	PCIR_AER_HEADER_LOG	0x1c
727 #define	PCIR_AER_ROOTERR_CMD	0x2c	/* Only for root complex ports */
728 #define	PCIM_AER_ROOTERR_COR_ENABLE	0x00000001
729 #define	PCIM_AER_ROOTERR_NF_ENABLE	0x00000002
730 #define	PCIM_AER_ROOTERR_F_ENABLE	0x00000004
731 #define	PCIR_AER_ROOTERR_STATUS	0x30	/* Only for root complex ports */
732 #define	PCIM_AER_ROOTERR_COR_ERR	0x00000001
733 #define	PCIM_AER_ROOTERR_MULTI_COR_ERR	0x00000002
734 #define	PCIM_AER_ROOTERR_UC_ERR		0x00000004
735 #define	PCIM_AER_ROOTERR_MULTI_UC_ERR	0x00000008
736 #define	PCIM_AER_ROOTERR_FIRST_UC_FATAL	0x00000010
737 #define	PCIM_AER_ROOTERR_NF_ERR		0x00000020
738 #define	PCIM_AER_ROOTERR_F_ERR		0x00000040
739 #define	PCIM_AER_ROOTERR_INT_MESSAGE	0xf8000000
740 #define	PCIR_AER_COR_SOURCE_ID	0x34	/* Only for root complex ports */
741 #define	PCIR_AER_ERR_SOURCE_ID	0x36	/* Only for root complex ports */
742 
743 /* Virtual Channel definitions */
744 #define	PCIR_VC_CAP1		0x04
745 #define	PCIM_VC_CAP1_EXT_COUNT		0x00000007
746 #define	PCIM_VC_CAP1_LOWPRI_EXT_COUNT	0x00000070
747 #define	PCIR_VC_CAP2		0x08
748 #define	PCIR_VC_CONTROL		0x0C
749 #define	PCIR_VC_STATUS		0x0E
750 #define	PCIR_VC_RESOURCE_CAP(n)	(0x10 + (n) * 0x0C)
751 #define	PCIR_VC_RESOURCE_CTL(n)	(0x14 + (n) * 0x0C)
752 #define	PCIR_VC_RESOURCE_STA(n)	(0x18 + (n) * 0x0C)
753 
754 /* Serial Number definitions */
755 #define	PCIR_SERIAL_LOW		0x04
756 #define	PCIR_SERIAL_HIGH	0x08
757