pcireg.h revision 197077
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: head/sys/dev/pci/pcireg.h 197077 2009-09-10 19:27:53Z avg $
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#define	PCI_DOMAINMAX	65535	/* highest supported domain number */
43#define	PCI_BUSMAX	255	/* highest supported bus number */
44#define	PCI_SLOTMAX	31	/* highest supported slot number */
45#define	PCI_FUNCMAX	7	/* highest supported function number */
46#define	PCI_REGMAX	255	/* highest supported config register addr. */
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	PCIM_CMD_INTxDIS	0x0400
64#define	PCIR_STATUS	0x06
65#define	PCIM_STATUS_CAPPRESENT	0x0010
66#define	PCIM_STATUS_66CAPABLE	0x0020
67#define	PCIM_STATUS_BACKTOBACK	0x0080
68#define	PCIM_STATUS_PERRREPORT	0x0100
69#define	PCIM_STATUS_SEL_FAST	0x0000
70#define	PCIM_STATUS_SEL_MEDIMUM	0x0200
71#define	PCIM_STATUS_SEL_SLOW	0x0400
72#define	PCIM_STATUS_SEL_MASK	0x0600
73#define	PCIM_STATUS_STABORT	0x0800
74#define	PCIM_STATUS_RTABORT	0x1000
75#define	PCIM_STATUS_RMABORT	0x2000
76#define	PCIM_STATUS_SERR	0x4000
77#define	PCIM_STATUS_PERR	0x8000
78#define	PCIR_REVID	0x08
79#define	PCIR_PROGIF	0x09
80#define	PCIR_SUBCLASS	0x0a
81#define	PCIR_CLASS	0x0b
82#define	PCIR_CACHELNSZ	0x0c
83#define	PCIR_LATTIMER	0x0d
84#define	PCIR_HDRTYPE	0x0e
85#define	PCIM_HDRTYPE		0x7f
86#define	PCIM_HDRTYPE_NORMAL	0x00
87#define	PCIM_HDRTYPE_BRIDGE	0x01
88#define	PCIM_HDRTYPE_CARDBUS	0x02
89#define	PCIM_MFDEV		0x80
90#define	PCIR_BIST	0x0f
91
92/* Capability Register Offsets */
93
94#define	PCICAP_ID	0x0
95#define	PCICAP_NEXTPTR	0x1
96
97/* Capability Identification Numbers */
98
99#define	PCIY_PMG	0x01	/* PCI Power Management */
100#define	PCIY_AGP	0x02	/* AGP */
101#define	PCIY_VPD	0x03	/* Vital Product Data */
102#define	PCIY_SLOTID	0x04	/* Slot Identification */
103#define	PCIY_MSI	0x05	/* Message Signaled Interrupts */
104#define	PCIY_CHSWP	0x06	/* CompactPCI Hot Swap */
105#define	PCIY_PCIX	0x07	/* PCI-X */
106#define	PCIY_HT		0x08	/* HyperTransport */
107#define	PCIY_VENDOR	0x09	/* Vendor Unique */
108#define	PCIY_DEBUG	0x0a	/* Debug port */
109#define	PCIY_CRES	0x0b	/* CompactPCI central resource control */
110#define	PCIY_HOTPLUG	0x0c	/* PCI Hot-Plug */
111#define	PCIY_SUBVENDOR	0x0d	/* PCI-PCI bridge subvendor ID */
112#define	PCIY_AGP8X	0x0e	/* AGP 8x */
113#define	PCIY_SECDEV	0x0f	/* Secure Device */
114#define	PCIY_EXPRESS	0x10	/* PCI Express */
115#define	PCIY_MSIX	0x11	/* MSI-X */
116#define	PCIY_SATA	0x12	/* SATA */
117#define	PCIY_PCIAF	0x13	/* PCI Advanced Features */
118
119/* config registers for header type 0 devices */
120
121#define	PCIR_BARS	0x10
122#define	PCIR_BAR(x)		(PCIR_BARS + (x) * 4)
123#define	PCIR_MAX_BAR_0		5
124#define	PCI_RID2BAR(rid)	(((rid) - PCIR_BARS) / 4)
125#define	PCI_BAR_IO(x)		(((x) & PCIM_BAR_SPACE) == PCIM_BAR_IO_SPACE)
126#define	PCI_BAR_MEM(x)		(((x) & PCIM_BAR_SPACE) == PCIM_BAR_MEM_SPACE)
127#define	PCIM_BAR_SPACE		0x00000001
128#define	PCIM_BAR_MEM_SPACE	0
129#define	PCIM_BAR_IO_SPACE	1
130#define	PCIM_BAR_MEM_TYPE	0x00000006
131#define	PCIM_BAR_MEM_32		0
132#define	PCIM_BAR_MEM_1MB	2	/* Locate below 1MB in PCI <= 2.1 */
133#define	PCIM_BAR_MEM_64		4
134#define	PCIM_BAR_MEM_PREFETCH	0x00000008
135#define	PCIM_BAR_MEM_BASE	0xfffffffffffffff0ULL
136#define	PCIM_BAR_IO_RESERVED	0x00000002
137#define	PCIM_BAR_IO_BASE	0xfffffffc
138#define	PCIR_CIS	0x28
139#define	PCIM_CIS_ASI_MASK	0x00000007
140#define	PCIM_CIS_ASI_CONFIG	0
141#define	PCIM_CIS_ASI_BAR0	1
142#define	PCIM_CIS_ASI_BAR1	2
143#define	PCIM_CIS_ASI_BAR2	3
144#define	PCIM_CIS_ASI_BAR3	4
145#define	PCIM_CIS_ASI_BAR4	5
146#define	PCIM_CIS_ASI_BAR5	6
147#define	PCIM_CIS_ASI_ROM	7
148#define	PCIM_CIS_ADDR_MASK	0x0ffffff8
149#define	PCIM_CIS_ROM_MASK	0xf0000000
150#define PCIM_CIS_CONFIG_MASK	0xff
151#define	PCIR_SUBVEND_0	0x2c
152#define	PCIR_SUBDEV_0	0x2e
153#define	PCIR_BIOS	0x30
154#define	PCIM_BIOS_ENABLE	0x01
155#define	PCIM_BIOS_ADDR_MASK	0xfffff800
156#define	PCIR_CAP_PTR	0x34
157#define	PCIR_INTLINE	0x3c
158#define	PCIR_INTPIN	0x3d
159#define	PCIR_MINGNT	0x3e
160#define	PCIR_MAXLAT	0x3f
161
162/* config registers for header type 1 (PCI-to-PCI bridge) devices */
163
164#define	PCIR_MAX_BAR_1	1
165#define	PCIR_SECSTAT_1	0x1e
166
167#define	PCIR_PRIBUS_1	0x18
168#define	PCIR_SECBUS_1	0x19
169#define	PCIR_SUBBUS_1	0x1a
170#define	PCIR_SECLAT_1	0x1b
171
172#define	PCIR_IOBASEL_1	0x1c
173#define	PCIR_IOLIMITL_1	0x1d
174#define	PCIR_IOBASEH_1	0x30
175#define	PCIR_IOLIMITH_1	0x32
176#define	PCIM_BRIO_16		0x0
177#define	PCIM_BRIO_32		0x1
178#define	PCIM_BRIO_MASK		0xf
179
180#define	PCIR_MEMBASE_1	0x20
181#define	PCIR_MEMLIMIT_1	0x22
182
183#define	PCIR_PMBASEL_1	0x24
184#define	PCIR_PMLIMITL_1	0x26
185#define	PCIR_PMBASEH_1	0x28
186#define	PCIR_PMLIMITH_1	0x2c
187#define	PCIM_BRPM_32		0x0
188#define	PCIM_BRPM_64		0x1
189#define	PCIM_BRPM_MASK		0xf
190
191#define	PCIR_BRIDGECTL_1 0x3e
192
193/* config registers for header type 2 (CardBus) devices */
194
195#define	PCIR_MAX_BAR_2	0
196#define	PCIR_CAP_PTR_2	0x14
197#define	PCIR_SECSTAT_2	0x16
198
199#define	PCIR_PRIBUS_2	0x18
200#define	PCIR_SECBUS_2	0x19
201#define	PCIR_SUBBUS_2	0x1a
202#define	PCIR_SECLAT_2	0x1b
203
204#define	PCIR_MEMBASE0_2	0x1c
205#define	PCIR_MEMLIMIT0_2 0x20
206#define	PCIR_MEMBASE1_2	0x24
207#define	PCIR_MEMLIMIT1_2 0x28
208#define	PCIR_IOBASE0_2	0x2c
209#define	PCIR_IOLIMIT0_2	0x30
210#define	PCIR_IOBASE1_2	0x34
211#define	PCIR_IOLIMIT1_2	0x38
212
213#define	PCIR_BRIDGECTL_2 0x3e
214
215#define	PCIR_SUBVEND_2	0x40
216#define	PCIR_SUBDEV_2	0x42
217
218#define	PCIR_PCCARDIF_2	0x44
219
220/* PCI device class, subclass and programming interface definitions */
221
222#define	PCIC_OLD	0x00
223#define	PCIS_OLD_NONVGA		0x00
224#define	PCIS_OLD_VGA		0x01
225
226#define	PCIC_STORAGE	0x01
227#define	PCIS_STORAGE_SCSI	0x00
228#define	PCIS_STORAGE_IDE	0x01
229#define	PCIP_STORAGE_IDE_MODEPRIM	0x01
230#define	PCIP_STORAGE_IDE_PROGINDPRIM	0x02
231#define	PCIP_STORAGE_IDE_MODESEC	0x04
232#define	PCIP_STORAGE_IDE_PROGINDSEC	0x08
233#define	PCIP_STORAGE_IDE_MASTERDEV	0x80
234#define	PCIS_STORAGE_FLOPPY	0x02
235#define	PCIS_STORAGE_IPI	0x03
236#define	PCIS_STORAGE_RAID	0x04
237#define	PCIS_STORAGE_ATA_ADMA	0x05
238#define	PCIS_STORAGE_SATA	0x06
239#define	PCIP_STORAGE_SATA_AHCI_1_0	0x01
240#define	PCIS_STORAGE_SAS	0x07
241#define	PCIS_STORAGE_OTHER	0x80
242
243#define	PCIC_NETWORK	0x02
244#define	PCIS_NETWORK_ETHERNET	0x00
245#define	PCIS_NETWORK_TOKENRING	0x01
246#define	PCIS_NETWORK_FDDI	0x02
247#define	PCIS_NETWORK_ATM	0x03
248#define	PCIS_NETWORK_ISDN	0x04
249#define	PCIS_NETWORK_WORLDFIP	0x05
250#define	PCIS_NETWORK_PICMG	0x06
251#define	PCIS_NETWORK_OTHER	0x80
252
253#define	PCIC_DISPLAY	0x03
254#define	PCIS_DISPLAY_VGA	0x00
255#define	PCIS_DISPLAY_XGA	0x01
256#define	PCIS_DISPLAY_3D		0x02
257#define	PCIS_DISPLAY_OTHER	0x80
258
259#define	PCIC_MULTIMEDIA	0x04
260#define	PCIS_MULTIMEDIA_VIDEO	0x00
261#define	PCIS_MULTIMEDIA_AUDIO	0x01
262#define	PCIS_MULTIMEDIA_TELE	0x02
263#define	PCIS_MULTIMEDIA_HDA	0x03
264#define	PCIS_MULTIMEDIA_OTHER	0x80
265
266#define	PCIC_MEMORY	0x05
267#define	PCIS_MEMORY_RAM		0x00
268#define	PCIS_MEMORY_FLASH	0x01
269#define	PCIS_MEMORY_OTHER	0x80
270
271#define	PCIC_BRIDGE	0x06
272#define	PCIS_BRIDGE_HOST	0x00
273#define	PCIS_BRIDGE_ISA		0x01
274#define	PCIS_BRIDGE_EISA	0x02
275#define	PCIS_BRIDGE_MCA		0x03
276#define	PCIS_BRIDGE_PCI		0x04
277#define	PCIP_BRIDGE_PCI_SUBTRACTIVE	0x01
278#define	PCIS_BRIDGE_PCMCIA	0x05
279#define	PCIS_BRIDGE_NUBUS	0x06
280#define	PCIS_BRIDGE_CARDBUS	0x07
281#define	PCIS_BRIDGE_RACEWAY	0x08
282#define	PCIS_BRIDGE_PCI_TRANSPARENT 0x09
283#define	PCIS_BRIDGE_INFINIBAND	0x0a
284#define	PCIS_BRIDGE_OTHER	0x80
285
286#define	PCIC_SIMPLECOMM	0x07
287#define	PCIS_SIMPLECOMM_UART	0x00
288#define	PCIP_SIMPLECOMM_UART_8250	0x00
289#define	PCIP_SIMPLECOMM_UART_16450A	0x01
290#define	PCIP_SIMPLECOMM_UART_16550A	0x02
291#define	PCIP_SIMPLECOMM_UART_16650A	0x03
292#define	PCIP_SIMPLECOMM_UART_16750A	0x04
293#define	PCIP_SIMPLECOMM_UART_16850A	0x05
294#define	PCIP_SIMPLECOMM_UART_16950A	0x06
295#define	PCIS_SIMPLECOMM_PAR	0x01
296#define	PCIS_SIMPLECOMM_MULSER	0x02
297#define	PCIS_SIMPLECOMM_MODEM	0x03
298#define	PCIS_SIMPLECOMM_GPIB	0x04
299#define	PCIS_SIMPLECOMM_SMART_CARD 0x05
300#define	PCIS_SIMPLECOMM_OTHER	0x80
301
302#define	PCIC_BASEPERIPH	0x08
303#define	PCIS_BASEPERIPH_PIC	0x00
304#define	PCIP_BASEPERIPH_PIC_8259A	0x00
305#define	PCIP_BASEPERIPH_PIC_ISA		0x01
306#define	PCIP_BASEPERIPH_PIC_EISA	0x02
307#define	PCIP_BASEPERIPH_PIC_IO_APIC	0x10
308#define	PCIP_BASEPERIPH_PIC_IOX_APIC	0x20
309#define	PCIS_BASEPERIPH_DMA	0x01
310#define	PCIS_BASEPERIPH_TIMER	0x02
311#define	PCIS_BASEPERIPH_RTC	0x03
312#define	PCIS_BASEPERIPH_PCIHOT	0x04
313#define	PCIS_BASEPERIPH_SDHC	0x05
314#define	PCIS_BASEPERIPH_OTHER	0x80
315
316#define	PCIC_INPUTDEV	0x09
317#define	PCIS_INPUTDEV_KEYBOARD	0x00
318#define	PCIS_INPUTDEV_DIGITIZER	0x01
319#define	PCIS_INPUTDEV_MOUSE	0x02
320#define	PCIS_INPUTDEV_SCANNER	0x03
321#define	PCIS_INPUTDEV_GAMEPORT	0x04
322#define	PCIS_INPUTDEV_OTHER	0x80
323
324#define	PCIC_DOCKING	0x0a
325#define	PCIS_DOCKING_GENERIC	0x00
326#define	PCIS_DOCKING_OTHER	0x80
327
328#define	PCIC_PROCESSOR	0x0b
329#define	PCIS_PROCESSOR_386	0x00
330#define	PCIS_PROCESSOR_486	0x01
331#define	PCIS_PROCESSOR_PENTIUM	0x02
332#define	PCIS_PROCESSOR_ALPHA	0x10
333#define	PCIS_PROCESSOR_POWERPC	0x20
334#define	PCIS_PROCESSOR_MIPS	0x30
335#define	PCIS_PROCESSOR_COPROC	0x40
336
337#define	PCIC_SERIALBUS	0x0c
338#define	PCIS_SERIALBUS_FW	0x00
339#define	PCIS_SERIALBUS_ACCESS	0x01
340#define	PCIS_SERIALBUS_SSA	0x02
341#define	PCIS_SERIALBUS_USB	0x03
342#define	PCIP_SERIALBUS_USB_UHCI		0x00
343#define	PCIP_SERIALBUS_USB_OHCI		0x10
344#define	PCIP_SERIALBUS_USB_EHCI		0x20
345#define	PCIP_SERIALBUS_USB_DEVICE	0xfe
346#define	PCIS_SERIALBUS_FC	0x04
347#define	PCIS_SERIALBUS_SMBUS	0x05
348#define	PCIS_SERIALBUS_INFINIBAND 0x06
349#define	PCIS_SERIALBUS_IPMI	0x07
350#define	PCIP_SERIALBUS_IPMI_SMIC	0x00
351#define	PCIP_SERIALBUS_IPMI_KCS		0x01
352#define	PCIP_SERIALBUS_IPMI_BT		0x02
353#define	PCIS_SERIALBUS_SERCOS	0x08
354#define	PCIS_SERIALBUS_CANBUS	0x09
355
356#define	PCIC_WIRELESS	0x0d
357#define	PCIS_WIRELESS_IRDA	0x00
358#define	PCIS_WIRELESS_IR	0x01
359#define	PCIS_WIRELESS_RF	0x10
360#define	PCIS_WIRELESS_BLUETOOTH	0x11
361#define	PCIS_WIRELESS_BROADBAND	0x12
362#define	PCIS_WIRELESS_80211A	0x20
363#define	PCIS_WIRELESS_80211B	0x21
364#define	PCIS_WIRELESS_OTHER	0x80
365
366#define	PCIC_INTELLIIO	0x0e
367#define	PCIS_INTELLIIO_I2O	0x00
368
369#define	PCIC_SATCOM	0x0f
370#define	PCIS_SATCOM_TV		0x01
371#define	PCIS_SATCOM_AUDIO	0x02
372#define	PCIS_SATCOM_VOICE	0x03
373#define	PCIS_SATCOM_DATA	0x04
374
375#define	PCIC_CRYPTO	0x10
376#define	PCIS_CRYPTO_NETCOMP	0x00
377#define	PCIS_CRYPTO_ENTERTAIN	0x10
378#define	PCIS_CRYPTO_OTHER	0x80
379
380#define	PCIC_DASP	0x11
381#define	PCIS_DASP_DPIO		0x00
382#define	PCIS_DASP_PERFCNTRS	0x01
383#define	PCIS_DASP_COMM_SYNC	0x10
384#define	PCIS_DASP_MGMT_CARD	0x20
385#define	PCIS_DASP_OTHER		0x80
386
387#define	PCIC_OTHER	0xff
388
389/* Bridge Control Values. */
390#define	PCIB_BCR_PERR_ENABLE		0x0001
391#define	PCIB_BCR_SERR_ENABLE		0x0002
392#define	PCIB_BCR_ISA_ENABLE		0x0004
393#define	PCIB_BCR_VGA_ENABLE		0x0008
394#define	PCIB_BCR_MASTER_ABORT_MODE	0x0020
395#define	PCIB_BCR_SECBUS_RESET		0x0040
396#define	PCIB_BCR_SECBUS_BACKTOBACK	0x0080
397#define	PCIB_BCR_PRI_DISCARD_TIMEOUT	0x0100
398#define	PCIB_BCR_SEC_DISCARD_TIMEOUT	0x0200
399#define	PCIB_BCR_DISCARD_TIMER_STATUS	0x0400
400#define	PCIB_BCR_DISCARD_TIMER_SERREN	0x0800
401
402/* PCI power manangement */
403#define	PCIR_POWER_CAP		0x2
404#define	PCIM_PCAP_SPEC			0x0007
405#define	PCIM_PCAP_PMEREQCLK		0x0008
406#define	PCIM_PCAP_PMEREQPWR		0x0010
407#define	PCIM_PCAP_DEVSPECINIT		0x0020
408#define	PCIM_PCAP_DYNCLOCK		0x0040
409#define	PCIM_PCAP_SECCLOCK		0x00c0
410#define	PCIM_PCAP_CLOCKMASK		0x00c0
411#define	PCIM_PCAP_REQFULLCLOCK		0x0100
412#define	PCIM_PCAP_D1SUPP		0x0200
413#define	PCIM_PCAP_D2SUPP		0x0400
414#define	PCIM_PCAP_D0PME			0x0800
415#define	PCIM_PCAP_D1PME			0x1000
416#define	PCIM_PCAP_D2PME			0x2000
417#define	PCIM_PCAP_D3PME_HOT		0x4000
418#define	PCIM_PCAP_D3PME_COLD		0x8000
419
420#define	PCIR_POWER_STATUS	0x4
421#define	PCIM_PSTAT_D0			0x0000
422#define	PCIM_PSTAT_D1			0x0001
423#define	PCIM_PSTAT_D2			0x0002
424#define	PCIM_PSTAT_D3			0x0003
425#define	PCIM_PSTAT_DMASK		0x0003
426#define	PCIM_PSTAT_REPENABLE		0x0010
427#define	PCIM_PSTAT_PMEENABLE		0x0100
428#define	PCIM_PSTAT_D0POWER		0x0000
429#define	PCIM_PSTAT_D1POWER		0x0200
430#define	PCIM_PSTAT_D2POWER		0x0400
431#define	PCIM_PSTAT_D3POWER		0x0600
432#define	PCIM_PSTAT_D0HEAT		0x0800
433#define	PCIM_PSTAT_D1HEAT		0x1000
434#define	PCIM_PSTAT_D2HEAT		0x1200
435#define	PCIM_PSTAT_D3HEAT		0x1400
436#define	PCIM_PSTAT_DATAUNKN		0x0000
437#define	PCIM_PSTAT_DATADIV10		0x2000
438#define	PCIM_PSTAT_DATADIV100		0x4000
439#define	PCIM_PSTAT_DATADIV1000		0x6000
440#define	PCIM_PSTAT_DATADIVMASK		0x6000
441#define	PCIM_PSTAT_PME			0x8000
442
443#define	PCIR_POWER_PMCSR	0x6
444#define	PCIM_PMCSR_DCLOCK		0x10
445#define	PCIM_PMCSR_B2SUPP		0x20
446#define	PCIM_BMCSR_B3SUPP		0x40
447#define	PCIM_BMCSR_BPCE			0x80
448
449#define	PCIR_POWER_DATA		0x7
450
451/* VPD capability registers */
452#define	PCIR_VPD_ADDR		0x2
453#define	PCIR_VPD_DATA		0x4
454
455/* PCI Message Signalled Interrupts (MSI) */
456#define	PCIR_MSI_CTRL		0x2
457#define	PCIM_MSICTRL_VECTOR		0x0100
458#define	PCIM_MSICTRL_64BIT		0x0080
459#define	PCIM_MSICTRL_MME_MASK		0x0070
460#define	PCIM_MSICTRL_MME_1		0x0000
461#define	PCIM_MSICTRL_MME_2		0x0010
462#define	PCIM_MSICTRL_MME_4		0x0020
463#define	PCIM_MSICTRL_MME_8		0x0030
464#define	PCIM_MSICTRL_MME_16		0x0040
465#define	PCIM_MSICTRL_MME_32		0x0050
466#define	PCIM_MSICTRL_MMC_MASK		0x000E
467#define	PCIM_MSICTRL_MMC_1		0x0000
468#define	PCIM_MSICTRL_MMC_2		0x0002
469#define	PCIM_MSICTRL_MMC_4		0x0004
470#define	PCIM_MSICTRL_MMC_8		0x0006
471#define	PCIM_MSICTRL_MMC_16		0x0008
472#define	PCIM_MSICTRL_MMC_32		0x000A
473#define	PCIM_MSICTRL_MSI_ENABLE		0x0001
474#define	PCIR_MSI_ADDR		0x4
475#define	PCIR_MSI_ADDR_HIGH	0x8
476#define	PCIR_MSI_DATA		0x8
477#define	PCIR_MSI_DATA_64BIT	0xc
478#define	PCIR_MSI_MASK		0x10
479#define	PCIR_MSI_PENDING	0x14
480
481/* PCI-X definitions */
482
483/* For header type 0 devices */
484#define	PCIXR_COMMAND		0x2
485#define	PCIXM_COMMAND_DPERR_E		0x0001	/* Data Parity Error Recovery */
486#define	PCIXM_COMMAND_ERO		0x0002	/* Enable Relaxed Ordering */
487#define	PCIXM_COMMAND_MAX_READ		0x000c	/* Maximum Burst Read Count */
488#define	PCIXM_COMMAND_MAX_READ_512	0x0000
489#define	PCIXM_COMMAND_MAX_READ_1024	0x0004
490#define	PCIXM_COMMAND_MAX_READ_2048	0x0008
491#define	PCIXM_COMMAND_MAX_READ_4096	0x000c
492#define	PCIXM_COMMAND_MAX_SPLITS 	0x0070	/* Maximum Split Transactions */
493#define	PCIXM_COMMAND_MAX_SPLITS_1	0x0000
494#define	PCIXM_COMMAND_MAX_SPLITS_2	0x0010
495#define	PCIXM_COMMAND_MAX_SPLITS_3	0x0020
496#define	PCIXM_COMMAND_MAX_SPLITS_4	0x0030
497#define	PCIXM_COMMAND_MAX_SPLITS_8	0x0040
498#define	PCIXM_COMMAND_MAX_SPLITS_12	0x0050
499#define	PCIXM_COMMAND_MAX_SPLITS_16	0x0060
500#define	PCIXM_COMMAND_MAX_SPLITS_32	0x0070
501#define	PCIXM_COMMAND_VERSION		0x3000
502#define	PCIXR_STATUS		0x4
503#define	PCIXM_STATUS_DEVFN		0x000000FF
504#define	PCIXM_STATUS_BUS		0x0000FF00
505#define	PCIXM_STATUS_64BIT		0x00010000
506#define	PCIXM_STATUS_133CAP		0x00020000
507#define	PCIXM_STATUS_SC_DISCARDED	0x00040000
508#define	PCIXM_STATUS_UNEXP_SC		0x00080000
509#define	PCIXM_STATUS_COMPLEX_DEV	0x00100000
510#define	PCIXM_STATUS_MAX_READ		0x00600000
511#define	PCIXM_STATUS_MAX_READ_512	0x00000000
512#define	PCIXM_STATUS_MAX_READ_1024	0x00200000
513#define	PCIXM_STATUS_MAX_READ_2048	0x00400000
514#define	PCIXM_STATUS_MAX_READ_4096	0x00600000
515#define	PCIXM_STATUS_MAX_SPLITS		0x03800000
516#define	PCIXM_STATUS_MAX_SPLITS_1	0x00000000
517#define	PCIXM_STATUS_MAX_SPLITS_2	0x00800000
518#define	PCIXM_STATUS_MAX_SPLITS_3	0x01000000
519#define	PCIXM_STATUS_MAX_SPLITS_4	0x01800000
520#define	PCIXM_STATUS_MAX_SPLITS_8	0x02000000
521#define	PCIXM_STATUS_MAX_SPLITS_12	0x02800000
522#define	PCIXM_STATUS_MAX_SPLITS_16	0x03000000
523#define	PCIXM_STATUS_MAX_SPLITS_32	0x03800000
524#define	PCIXM_STATUS_MAX_CUM_READ	0x1C000000
525#define	PCIXM_STATUS_RCVD_SC_ERR	0x20000000
526#define	PCIXM_STATUS_266CAP		0x40000000
527#define	PCIXM_STATUS_533CAP		0x80000000
528
529/* For header type 1 devices (PCI-X bridges) */
530#define	PCIXR_SEC_STATUS	0x2
531#define	PCIXM_SEC_STATUS_64BIT		0x0001
532#define	PCIXM_SEC_STATUS_133CAP		0x0002
533#define	PCIXM_SEC_STATUS_SC_DISC	0x0004
534#define	PCIXM_SEC_STATUS_UNEXP_SC	0x0008
535#define	PCIXM_SEC_STATUS_SC_OVERRUN	0x0010
536#define	PCIXM_SEC_STATUS_SR_DELAYED	0x0020
537#define	PCIXM_SEC_STATUS_BUS_MODE	0x03c0
538#define	PCIXM_SEC_STATUS_VERSION	0x3000
539#define	PCIXM_SEC_STATUS_266CAP		0x4000
540#define	PCIXM_SEC_STATUS_533CAP		0x8000
541#define	PCIXR_BRIDGE_STATUS	0x4
542#define	PCIXM_BRIDGE_STATUS_DEVFN	0x000000FF
543#define	PCIXM_BRIDGE_STATUS_BUS		0x0000FF00
544#define	PCIXM_BRIDGE_STATUS_64BIT	0x00010000
545#define	PCIXM_BRIDGE_STATUS_133CAP	0x00020000
546#define	PCIXM_BRIDGE_STATUS_SC_DISCARDED 0x00040000
547#define	PCIXM_BRIDGE_STATUS_UNEXP_SC	0x00080000
548#define	PCIXM_BRIDGE_STATUS_SC_OVERRUN	0x00100000
549#define	PCIXM_BRIDGE_STATUS_SR_DELAYED	0x00200000
550#define	PCIXM_BRIDGE_STATUS_DEVID_MSGCAP 0x20000000
551#define	PCIXM_BRIDGE_STATUS_266CAP	0x40000000
552#define	PCIXM_BRIDGE_STATUS_533CAP	0x80000000
553
554/* HT (HyperTransport) Capability definitions */
555#define	PCIR_HT_COMMAND		0x2
556#define	PCIM_HTCMD_CAP_MASK		0xf800	/* Capability type. */
557#define	PCIM_HTCAP_SLAVE		0x0000	/* 000xx */
558#define	PCIM_HTCAP_HOST			0x2000	/* 001xx */
559#define	PCIM_HTCAP_SWITCH		0x4000	/* 01000 */
560#define	PCIM_HTCAP_INTERRUPT		0x8000	/* 10000 */
561#define	PCIM_HTCAP_REVISION_ID		0x8800	/* 10001 */
562#define	PCIM_HTCAP_UNITID_CLUMPING	0x9000	/* 10010 */
563#define	PCIM_HTCAP_EXT_CONFIG_SPACE	0x9800	/* 10011 */
564#define	PCIM_HTCAP_ADDRESS_MAPPING	0xa000	/* 10100 */
565#define	PCIM_HTCAP_MSI_MAPPING		0xa800	/* 10101 */
566#define	PCIM_HTCAP_DIRECT_ROUTE		0xb000	/* 10110 */
567#define	PCIM_HTCAP_VCSET		0xb800	/* 10111 */
568#define	PCIM_HTCAP_RETRY_MODE		0xc000	/* 11000 */
569#define	PCIM_HTCAP_X86_ENCODING		0xc800	/* 11001 */
570
571/* HT MSI Mapping Capability definitions. */
572#define	PCIM_HTCMD_MSI_ENABLE		0x0001
573#define	PCIM_HTCMD_MSI_FIXED		0x0002
574#define	PCIR_HTMSI_ADDRESS_LO	0x4
575#define	PCIR_HTMSI_ADDRESS_HI	0x8
576
577/* PCI Vendor capability definitions */
578#define	PCIR_VENDOR_LENGTH	0x2
579#define	PCIR_VENDOR_DATA	0x3
580
581/* PCI EHCI Debug Port definitions */
582#define	PCIR_DEBUG_PORT		0x2
583#define	PCIM_DEBUG_PORT_OFFSET		0x1FFF
584#define	PCIM_DEBUG_PORT_BAR		0xe000
585
586/* PCI-PCI Bridge Subvendor definitions */
587#define	PCIR_SUBVENDCAP_ID	0x4
588
589/* PCI Express definitions */
590#define	PCIR_EXPRESS_FLAGS	0x2
591#define	PCIM_EXP_FLAGS_VERSION		0x000F
592#define	PCIM_EXP_FLAGS_TYPE		0x00F0
593#define	PCIM_EXP_TYPE_ENDPOINT		0x0000
594#define	PCIM_EXP_TYPE_LEGACY_ENDPOINT	0x0010
595#define	PCIM_EXP_TYPE_ROOT_PORT		0x0040
596#define	PCIM_EXP_TYPE_UPSTREAM_PORT	0x0050
597#define	PCIM_EXP_TYPE_DOWNSTREAM_PORT	0x0060
598#define	PCIM_EXP_TYPE_PCI_BRIDGE	0x0070
599#define	PCIM_EXP_TYPE_PCIE_BRIDGE	0x0080
600#define	PCIM_EXP_TYPE_ROOT_INT_EP	0x0090
601#define	PCIM_EXP_TYPE_ROOT_EC		0x00a0
602#define	PCIM_EXP_FLAGS_SLOT		0x0100
603#define	PCIM_EXP_FLAGS_IRQ		0x3e00
604#define	PCIR_EXPRESS_DEVICE_CAP	0x4
605#define	PCIM_EXP_CAP_MAX_PAYLOAD	0x0007
606#define	PCIR_EXPRESS_DEVICE_CTL	0x8
607#define	PCIM_EXP_CTL_MAX_PAYLOAD	0x00e0
608#define	PCIM_EXP_CTL_MAX_READ_REQUEST	0x7000
609#define	PCIR_EXPRESS_DEVICE_STA	0xa
610#define	PCIR_EXPRESS_LINK_CAP	0xc
611#define	PCIM_LINK_CAP_MAX_SPEED		0x0000000f
612#define	PCIM_LINK_CAP_MAX_WIDTH		0x000003f0
613#define	PCIM_LINK_CAP_ASPM		0x00000c00
614#define	PCIM_LINK_CAP_L0S_EXIT		0x00007000
615#define	PCIM_LINK_CAP_L1_EXIT		0x00038000
616#define	PCIM_LINK_CAP_PORT		0xff000000
617#define	PCIR_EXPRESS_LINK_CTL	0x10
618#define	PCIR_EXPRESS_LINK_STA	0x12
619#define	PCIM_LINK_STA_SPEED		0x000f
620#define	PCIM_LINK_STA_WIDTH		0x03f0
621#define	PCIM_LINK_STA_TRAINING_ERROR	0x0400
622#define	PCIM_LINK_STA_TRAINING		0x0800
623#define	PCIM_LINK_STA_SLOT_CLOCK	0x1000
624#define	PCIR_EXPRESS_SLOT_CAP	0x14
625#define	PCIR_EXPRESS_SLOT_CTL	0x18
626#define	PCIR_EXPRESS_SLOT_STA	0x1a
627#define	PCIR_EXPRESS_ROOT_CTL	0x1c
628#define	PCIR_EXPRESS_ROOT_STA	0x20
629
630/* MSI-X definitions */
631#define	PCIR_MSIX_CTRL		0x2
632#define	PCIM_MSIXCTRL_MSIX_ENABLE	0x8000
633#define	PCIM_MSIXCTRL_FUNCTION_MASK	0x4000
634#define	PCIM_MSIXCTRL_TABLE_SIZE	0x07FF
635#define	PCIR_MSIX_TABLE		0x4
636#define	PCIR_MSIX_PBA		0x8
637#define	PCIM_MSIX_BIR_MASK		0x7
638#define	PCIM_MSIX_BIR_BAR_10		0
639#define	PCIM_MSIX_BIR_BAR_14		1
640#define	PCIM_MSIX_BIR_BAR_18		2
641#define	PCIM_MSIX_BIR_BAR_1C		3
642#define	PCIM_MSIX_BIR_BAR_20		4
643#define	PCIM_MSIX_BIR_BAR_24		5
644#define	PCIM_MSIX_VCTRL_MASK		0x1
645
646/* PCI Advanced Features definitions */
647#define	PCIR_PCIAF_CAP		0x3
648#define	PCIM_PCIAFCAP_TP	0x01
649#define	PCIM_PCIAFCAP_FLR	0x02
650#define	PCIR_PCIAF_CTRL		0x4
651#define	PCIR_PCIAFCTRL_FLR	0x01
652#define	PCIR_PCIAF_STATUS	0x5
653#define	PCIR_PCIAFSTATUS_TP	0x01
654