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1/* $NetBSD: pcireg.h,v 1.168.2.1 2024/06/22 11:01:18 martin Exp $ */
2
3/*
4 * Copyright (c) 1995, 1996, 1999, 2000
5 * Christopher G. Demetriou. All rights reserved.
6 * Copyright (c) 1994, 1996 Charles M. Hannum. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Charles M. Hannum.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef _DEV_PCI_PCIREG_H_
35#define _DEV_PCI_PCIREG_H_
36
37/*
38 * Standardized PCI configuration information
39 */
40
41/*
42 * Size of each function's configuration space.
43 */
44
45#define PCI_CONF_SIZE 0x100
46#define PCI_EXTCONF_SIZE 0x1000
47
48/*
49 * Device identification register; contains a vendor ID and a device ID.
50 */
51#define PCI_ID_REG 0x00
52
53typedef u_int16_t pci_vendor_id_t;
54typedef u_int16_t pci_product_id_t;
55
56#define PCI_VENDOR_SHIFT 0
57#define PCI_VENDOR_MASK 0xffffU
58#define PCI_VENDOR(id) \
59 (((id) >> PCI_VENDOR_SHIFT) & PCI_VENDOR_MASK)
60
61#define PCI_PRODUCT_SHIFT 16
62#define PCI_PRODUCT_MASK 0xffffU
63#define PCI_PRODUCT(id) \
64 (((id) >> PCI_PRODUCT_SHIFT) & PCI_PRODUCT_MASK)
65
66#define PCI_ID_CODE(vid,pid) \
67 ((((vid) & PCI_VENDOR_MASK) << PCI_VENDOR_SHIFT) | \
68 (((pid) & PCI_PRODUCT_MASK) << PCI_PRODUCT_SHIFT)) \
69
70/*
71 * Standard format of a PCI Type 0 Configuration Cycle address.
72 */
73#define PCI_CONF_TYPE0_IDSEL(d) __BIT((d) + 11)
74#define PCI_CONF_TYPE0_FUNCTION __BITS(8,10)
75#define PCI_CONF_TYPE0_OFFSET __BITS(0,7)
76
77/*
78 * Standard format of a PCI Type 1 Configuration Cycle address.
79 */
80#define PCI_CONF_TYPE1_BUS __BITS(16,23)
81#define PCI_CONF_TYPE1_DEVICE __BITS(11,15)
82#define PCI_CONF_TYPE1_FUNCTION __BITS(8,10)
83#define PCI_CONF_TYPE1_OFFSET __BITS(0,7)
84
85/*
86 * Command and status register.
87 */
88#define PCI_COMMAND_STATUS_REG 0x04
89#define PCI_COMMAND_SHIFT 0
90#define PCI_COMMAND_MASK 0xffff
91#define PCI_STATUS_SHIFT 16
92#define PCI_STATUS_MASK 0xffff
93
94#define PCI_COMMAND_STATUS_CODE(cmd,stat) \
95 ((((cmd) & PCI_COMMAND_MASK) << PCI_COMMAND_SHIFT) | \
96 (((stat) & PCI_STATUS_MASK) << PCI_STATUS_SHIFT)) \
97
98#define PCI_COMMAND_IO_ENABLE 0x00000001
99#define PCI_COMMAND_MEM_ENABLE 0x00000002
100#define PCI_COMMAND_MASTER_ENABLE 0x00000004
101#define PCI_COMMAND_SPECIAL_ENABLE 0x00000008
102#define PCI_COMMAND_INVALIDATE_ENABLE 0x00000010
103#define PCI_COMMAND_PALETTE_ENABLE 0x00000020
104#define PCI_COMMAND_PARITY_ENABLE 0x00000040
105#define PCI_COMMAND_STEPPING_ENABLE 0x00000080
106#define PCI_COMMAND_SERR_ENABLE 0x00000100
107#define PCI_COMMAND_BACKTOBACK_ENABLE 0x00000200
108#define PCI_COMMAND_INTERRUPT_DISABLE 0x00000400
109
110#define PCI_STATUS_IMMD_READNESS __BIT(0+16)
111#define PCI_STATUS_INT_STATUS 0x00080000
112#define PCI_STATUS_CAPLIST_SUPPORT 0x00100000
113#define PCI_STATUS_66MHZ_SUPPORT 0x00200000
114#define PCI_STATUS_UDF_SUPPORT 0x00400000
115#define PCI_STATUS_BACKTOBACK_SUPPORT 0x00800000
116#define PCI_STATUS_PARITY_ERROR 0x01000000
117#define PCI_STATUS_DEVSEL_FAST 0x00000000
118#define PCI_STATUS_DEVSEL_MEDIUM 0x02000000
119#define PCI_STATUS_DEVSEL_SLOW 0x04000000
120#define PCI_STATUS_DEVSEL_MASK 0x06000000
121#define PCI_STATUS_TARGET_TARGET_ABORT 0x08000000
122#define PCI_STATUS_MASTER_TARGET_ABORT 0x10000000
123#define PCI_STATUS_MASTER_ABORT 0x20000000
124#define PCI_STATUS_SPECIAL_ERROR 0x40000000
125#define PCI_STATUS_PARITY_DETECT 0x80000000
126
127/*
128 * PCI Class and Revision Register; defines type and revision of device.
129 */
130#define PCI_CLASS_REG 0x08
131
132typedef u_int8_t pci_class_t;
133typedef u_int8_t pci_subclass_t;
134typedef u_int8_t pci_interface_t;
135typedef u_int8_t pci_revision_t;
136
137#define PCI_CLASS_SHIFT 24
138#define PCI_CLASS_MASK 0xffU
139#define PCI_CLASS(cr) \
140 (((cr) >> PCI_CLASS_SHIFT) & PCI_CLASS_MASK)
141
142#define PCI_SUBCLASS_SHIFT 16
143#define PCI_SUBCLASS_MASK 0xff
144#define PCI_SUBCLASS(cr) \
145 (((cr) >> PCI_SUBCLASS_SHIFT) & PCI_SUBCLASS_MASK)
146
147#define PCI_INTERFACE_SHIFT 8
148#define PCI_INTERFACE_MASK 0xff
149#define PCI_INTERFACE(cr) \
150 (((cr) >> PCI_INTERFACE_SHIFT) & PCI_INTERFACE_MASK)
151
152#define PCI_REVISION_SHIFT 0
153#define PCI_REVISION_MASK 0xff
154#define PCI_REVISION(cr) \
155 (((cr) >> PCI_REVISION_SHIFT) & PCI_REVISION_MASK)
156
157#define PCI_CLASS_CODE(mainclass, subclass, interface) \
158 ((((mainclass) & PCI_CLASS_MASK) << PCI_CLASS_SHIFT) | \
159 (((subclass) & PCI_SUBCLASS_MASK) << PCI_SUBCLASS_SHIFT) | \
160 (((interface) & PCI_INTERFACE_MASK) << PCI_INTERFACE_SHIFT))
161
162/* base classes */
163#define PCI_CLASS_PREHISTORIC 0x00
164#define PCI_CLASS_MASS_STORAGE 0x01
165#define PCI_CLASS_NETWORK 0x02
166#define PCI_CLASS_DISPLAY 0x03
167#define PCI_CLASS_MULTIMEDIA 0x04
168#define PCI_CLASS_MEMORY 0x05
169#define PCI_CLASS_BRIDGE 0x06
170#define PCI_CLASS_COMMUNICATIONS 0x07
171#define PCI_CLASS_SYSTEM 0x08
172#define PCI_CLASS_INPUT 0x09
173#define PCI_CLASS_DOCK 0x0a
174#define PCI_CLASS_PROCESSOR 0x0b
175#define PCI_CLASS_SERIALBUS 0x0c
176#define PCI_CLASS_WIRELESS 0x0d
177#define PCI_CLASS_I2O 0x0e
178#define PCI_CLASS_SATCOM 0x0f
179#define PCI_CLASS_CRYPTO 0x10
180#define PCI_CLASS_DASP 0x11
181#define PCI_CLASS_ACCEL 0x12
182#define PCI_CLASS_INSTRUMENT 0x13
183#define PCI_CLASS_UNDEFINED 0xff
184
185/* 0x00 prehistoric subclasses */
186#define PCI_SUBCLASS_PREHISTORIC_MISC 0x00
187#define PCI_SUBCLASS_PREHISTORIC_VGA 0x01
188
189/* 0x01 mass storage subclasses */
190#define PCI_SUBCLASS_MASS_STORAGE_SCSI 0x00
191#define PCI_INTERFACE_SCSI_VND 0x00
192#define PCI_INTERFACE_SCSI_PQI_STORAGE 0x11
193#define PCI_INTERFACE_SCSI_PQI_CNTRL 0x12
194#define PCI_INTERFACE_SCSI_PQI_STORAGE_CNTRL 0x13
195#define PCI_INTERFACE_SCSI_NVME 0x21
196#define PCI_SUBCLASS_MASS_STORAGE_IDE 0x01
197#define PCI_SUBCLASS_MASS_STORAGE_FLOPPY 0x02
198#define PCI_SUBCLASS_MASS_STORAGE_IPI 0x03
199#define PCI_SUBCLASS_MASS_STORAGE_RAID 0x04
200#define PCI_SUBCLASS_MASS_STORAGE_ATA 0x05
201#define PCI_INTERFACE_ATA_SINGLEDMA 0x20
202#define PCI_INTERFACE_ATA_CHAINEDDMA 0x30
203#define PCI_SUBCLASS_MASS_STORAGE_SATA 0x06
204#define PCI_INTERFACE_SATA_VND 0x00
205#define PCI_INTERFACE_SATA_AHCI10 0x01
206#define PCI_INTERFACE_SATA_SSBI 0x02
207#define PCI_SUBCLASS_MASS_STORAGE_SAS 0x07
208#define PCI_SUBCLASS_MASS_STORAGE_NVM 0x08
209#define PCI_INTERFACE_NVM_VND 0x00
210#define PCI_INTERFACE_NVM_NVMHCI10 0x01
211#define PCI_INTERFACE_NVM_NVME_IO 0x02
212#define PCI_INTERFACE_NVM_NVME_ADMIN 0x03
213#define PCI_SUBCLASS_MASS_STORAGE_UFS 0x09
214#define PCI_INTERFACE_UFS_VND 0x00
215#define PCI_INTERFACE_UFS_UFSHCI 0x01
216#define PCI_SUBCLASS_MASS_STORAGE_MISC 0x80
217
218/* 0x02 network subclasses */
219#define PCI_SUBCLASS_NETWORK_ETHERNET 0x00
220#define PCI_SUBCLASS_NETWORK_TOKENRING 0x01
221#define PCI_SUBCLASS_NETWORK_FDDI 0x02
222#define PCI_SUBCLASS_NETWORK_ATM 0x03
223#define PCI_SUBCLASS_NETWORK_ISDN 0x04
224#define PCI_SUBCLASS_NETWORK_WORLDFIP 0x05
225#define PCI_SUBCLASS_NETWORK_PCIMGMULTICOMP 0x06
226#define PCI_SUBCLASS_NETWORK_INFINIBAND 0x07
227#define PCI_SUBCLASS_NETWORK_HFC 0x08
228#define PCI_SUBCLASS_NETWORK_MISC 0x80
229
230/* 0x03 display subclasses */
231#define PCI_SUBCLASS_DISPLAY_VGA 0x00
232#define PCI_INTERFACE_VGA_VGA 0x00
233#define PCI_INTERFACE_VGA_8514 0x01
234#define PCI_SUBCLASS_DISPLAY_XGA 0x01
235#define PCI_SUBCLASS_DISPLAY_3D 0x02
236#define PCI_SUBCLASS_DISPLAY_MISC 0x80
237
238/* 0x04 multimedia subclasses */
239#define PCI_SUBCLASS_MULTIMEDIA_VIDEO 0x00
240#define PCI_SUBCLASS_MULTIMEDIA_AUDIO 0x01
241#define PCI_SUBCLASS_MULTIMEDIA_TELEPHONY 0x02
242#define PCI_SUBCLASS_MULTIMEDIA_HDAUDIO 0x03
243#define PCI_INTERFACE_HDAUDIO 0x00
244#define PCI_INTERFACE_HDAUDIO_VND 0x80
245#define PCI_SUBCLASS_MULTIMEDIA_MISC 0x80
246
247/* 0x05 memory subclasses */
248#define PCI_SUBCLASS_MEMORY_RAM 0x00
249#define PCI_SUBCLASS_MEMORY_FLASH 0x01
250#define PCI_SUBCLASS_MEMORY_MISC 0x80
251
252/* 0x06 bridge subclasses */
253#define PCI_SUBCLASS_BRIDGE_HOST 0x00
254#define PCI_SUBCLASS_BRIDGE_ISA 0x01
255#define PCI_SUBCLASS_BRIDGE_EISA 0x02
256#define PCI_SUBCLASS_BRIDGE_MC 0x03 /* XXX _MCA */
257#define PCI_SUBCLASS_BRIDGE_PCI 0x04
258#define PCI_INTERFACE_BRIDGE_PCI_PCI 0x00
259#define PCI_INTERFACE_BRIDGE_PCI_SUBDEC 0x01
260#define PCI_SUBCLASS_BRIDGE_PCMCIA 0x05
261#define PCI_SUBCLASS_BRIDGE_NUBUS 0x06
262#define PCI_SUBCLASS_BRIDGE_CARDBUS 0x07
263#define PCI_SUBCLASS_BRIDGE_RACEWAY 0x08
264 /* bit0 == 0 ? "transparent mode" : "endpoint mode" */
265#define PCI_SUBCLASS_BRIDGE_STPCI 0x09
266#define PCI_INTERFACE_STPCI_PRIMARY 0x40
267#define PCI_INTERFACE_STPCI_SECONDARY 0x80
268#define PCI_SUBCLASS_BRIDGE_INFINIBAND 0x0a
269#define PCI_SUBCLASS_BRIDGE_ADVSW 0x0b
270#define PCI_INTERFACE_ADVSW_CUSTOM 0x00
271#define PCI_INTERFACE_ADVSW_ASISIG 0x01
272#define PCI_SUBCLASS_BRIDGE_MISC 0x80
273
274/* 0x07 communications subclasses */
275#define PCI_SUBCLASS_COMMUNICATIONS_SERIAL 0x00
276#define PCI_INTERFACE_SERIAL_XT 0x00
277#define PCI_INTERFACE_SERIAL_16450 0x01
278#define PCI_INTERFACE_SERIAL_16550 0x02
279#define PCI_INTERFACE_SERIAL_16650 0x03
280#define PCI_INTERFACE_SERIAL_16750 0x04
281#define PCI_INTERFACE_SERIAL_16850 0x05
282#define PCI_INTERFACE_SERIAL_16950 0x06
283#define PCI_SUBCLASS_COMMUNICATIONS_PARALLEL 0x01
284#define PCI_INTERFACE_PARALLEL 0x00
285#define PCI_INTERFACE_PARALLEL_BIDIRECTIONAL 0x01
286#define PCI_INTERFACE_PARALLEL_ECP1X 0x02
287#define PCI_INTERFACE_PARALLEL_IEEE1284_CNTRL 0x03
288#define PCI_INTERFACE_PARALLEL_IEEE1284_TGT 0xfe
289#define PCI_SUBCLASS_COMMUNICATIONS_MPSERIAL 0x02
290#define PCI_SUBCLASS_COMMUNICATIONS_MODEM 0x03
291#define PCI_INTERFACE_MODEM 0x00
292#define PCI_INTERFACE_MODEM_HAYES16450 0x01
293#define PCI_INTERFACE_MODEM_HAYES16550 0x02
294#define PCI_INTERFACE_MODEM_HAYES16650 0x03
295#define PCI_INTERFACE_MODEM_HAYES16750 0x04
296#define PCI_SUBCLASS_COMMUNICATIONS_GPIB 0x04
297#define PCI_SUBCLASS_COMMUNICATIONS_SMARTCARD 0x05
298#define PCI_SUBCLASS_COMMUNICATIONS_MISC 0x80
299
300/* 0x08 system subclasses */
301#define PCI_SUBCLASS_SYSTEM_PIC 0x00
302#define PCI_INTERFACE_PIC_8259 0x00
303#define PCI_INTERFACE_PIC_ISA 0x01
304#define PCI_INTERFACE_PIC_EISA 0x02
305#define PCI_INTERFACE_PIC_IOAPIC 0x10
306#define PCI_INTERFACE_PIC_IOXAPIC 0x20
307#define PCI_SUBCLASS_SYSTEM_DMA 0x01
308#define PCI_INTERFACE_DMA_8237 0x00
309#define PCI_INTERFACE_DMA_ISA 0x01
310#define PCI_INTERFACE_DMA_EISA 0x02
311#define PCI_SUBCLASS_SYSTEM_TIMER 0x02
312#define PCI_INTERFACE_TIMER_8254 0x00
313#define PCI_INTERFACE_TIMER_ISA 0x01
314#define PCI_INTERFACE_TIMER_EISA 0x02
315#define PCI_INTERFACE_TIMER_HPET 0x03
316#define PCI_SUBCLASS_SYSTEM_RTC 0x03
317#define PCI_INTERFACE_RTC_GENERIC 0x00
318#define PCI_INTERFACE_RTC_ISA 0x01
319#define PCI_SUBCLASS_SYSTEM_PCIHOTPLUG 0x04
320#define PCI_SUBCLASS_SYSTEM_SDHC 0x05
321#define PCI_SUBCLASS_SYSTEM_IOMMU 0x06 /* or RCEC in old spec */
322#define PCI_SUBCLASS_SYSTEM_RCEC 0x07
323#define PCI_SUBCLASS_SYSTEM_MISC 0x80
324
325/* 0x09 input subclasses */
326#define PCI_SUBCLASS_INPUT_KEYBOARD 0x00
327#define PCI_SUBCLASS_INPUT_DIGITIZER 0x01
328#define PCI_SUBCLASS_INPUT_MOUSE 0x02
329#define PCI_SUBCLASS_INPUT_SCANNER 0x03
330#define PCI_SUBCLASS_INPUT_GAMEPORT 0x04
331#define PCI_INTERFACE_GAMEPORT_GENERIC 0x00
332#define PCI_INTERFACE_GAMEPORT_LEGACY 0x10
333#define PCI_SUBCLASS_INPUT_MISC 0x80
334
335/* 0x0a dock subclasses */
336#define PCI_SUBCLASS_DOCK_GENERIC 0x00
337#define PCI_SUBCLASS_DOCK_MISC 0x80
338
339/* 0x0b processor subclasses */
340#define PCI_SUBCLASS_PROCESSOR_386 0x00
341#define PCI_SUBCLASS_PROCESSOR_486 0x01
342#define PCI_SUBCLASS_PROCESSOR_PENTIUM 0x02
343#define PCI_SUBCLASS_PROCESSOR_ALPHA 0x10
344#define PCI_SUBCLASS_PROCESSOR_POWERPC 0x20
345#define PCI_SUBCLASS_PROCESSOR_MIPS 0x30
346#define PCI_SUBCLASS_PROCESSOR_COPROC 0x40
347#define PCI_SUBCLASS_PROCESSOR_MISC 0x80
348
349/* 0x0c serial bus subclasses */
350#define PCI_SUBCLASS_SERIALBUS_FIREWIRE 0x00
351#define PCI_INTERFACE_IEEE1394_FIREWIRE 0x00
352#define PCI_INTERFACE_IEEE1394_OPENHCI 0x10
353#define PCI_SUBCLASS_SERIALBUS_ACCESS 0x01
354#define PCI_SUBCLASS_SERIALBUS_SSA 0x02
355#define PCI_SUBCLASS_SERIALBUS_USB 0x03
356#define PCI_INTERFACE_USB_UHCI 0x00
357#define PCI_INTERFACE_USB_OHCI 0x10
358#define PCI_INTERFACE_USB_EHCI 0x20
359#define PCI_INTERFACE_USB_XHCI 0x30
360#define PCI_INTERFACE_USB_USB4HCI 0x40
361#define PCI_INTERFACE_USB_OTHERHC 0x80
362#define PCI_INTERFACE_USB_DEVICE 0xfe
363#define PCI_SUBCLASS_SERIALBUS_FIBER 0x04 /* XXX _FIBRECHANNEL */
364#define PCI_SUBCLASS_SERIALBUS_SMBUS 0x05
365#define PCI_SUBCLASS_SERIALBUS_INFINIBAND 0x06 /* Deprecated */
366#define PCI_SUBCLASS_SERIALBUS_IPMI 0x07
367#define PCI_INTERFACE_IPMI_SMIC 0x00
368#define PCI_INTERFACE_IPMI_KBD 0x01
369#define PCI_INTERFACE_IPMI_BLOCKXFER 0x02
370#define PCI_SUBCLASS_SERIALBUS_SERCOS 0x08
371#define PCI_SUBCLASS_SERIALBUS_CANBUS 0x09
372#define PCI_SUBCLASS_SERIALBUS_MIPI_I3C 0x0a
373#define PCI_SUBCLASS_SERIALBUS_MISC 0x80
374
375/* 0x0d wireless subclasses */
376#define PCI_SUBCLASS_WIRELESS_IRDA 0x00
377#define PCI_SUBCLASS_WIRELESS_CONSUMERIR 0x01
378#define PCI_INTERFACE_CONSUMERIR 0x00
379#define PCI_INTERFACE_UWB 0x10
380#define PCI_SUBCLASS_WIRELESS_RF 0x10
381#define PCI_SUBCLASS_WIRELESS_BLUETOOTH 0x11
382#define PCI_SUBCLASS_WIRELESS_BROADBAND 0x12
383#define PCI_SUBCLASS_WIRELESS_802_11A 0x20
384#define PCI_SUBCLASS_WIRELESS_802_11B 0x21
385#define PCI_SUBCLASS_WIRELESS_CELL 0x40
386#define PCI_SUBCLASS_WIRELESS_CELL_E 0x41
387#define PCI_SUBCLASS_WIRELESS_MISC 0x80
388
389/* 0x0e I2O (Intelligent I/O) subclasses */
390#define PCI_SUBCLASS_I2O_STANDARD 0x00
391#define PCI_INTERFACE_I2O_FIFOAT40 0x00
392 /* others for I2O spec */
393#define PCI_SUBCLASS_I2O_MISC 0x80
394
395/* 0x0f satellite communication subclasses */
396/* PCI_SUBCLASS_SATCOM_??? 0x00 / * XXX ??? */
397#define PCI_SUBCLASS_SATCOM_TV 0x01
398#define PCI_SUBCLASS_SATCOM_AUDIO 0x02
399#define PCI_SUBCLASS_SATCOM_VOICE 0x03
400#define PCI_SUBCLASS_SATCOM_DATA 0x04
401#define PCI_SUBCLASS_SATCOM_MISC 0x80
402
403/* 0x10 encryption/decryption subclasses */
404#define PCI_SUBCLASS_CRYPTO_NETCOMP 0x00
405#define PCI_SUBCLASS_CRYPTO_ENTERTAINMENT 0x10
406#define PCI_SUBCLASS_CRYPTO_MISC 0x80
407
408/* 0x11 data acquisition and signal processing subclasses */
409#define PCI_SUBCLASS_DASP_DPIO 0x00
410#define PCI_SUBCLASS_DASP_TIMEFREQ 0x01 /* performance counters */
411#define PCI_SUBCLASS_DASP_SYNC 0x10
412#define PCI_SUBCLASS_DASP_MGMT 0x20
413#define PCI_SUBCLASS_DASP_MISC 0x80
414
415/*
416 * PCI BIST/Header Type/Latency Timer/Cache Line Size Register.
417 */
418#define PCI_BHLC_REG 0x0c
419
420#define PCI_BIST_SHIFT 24
421#define PCI_BIST_MASK 0xff
422#define PCI_BIST(bhlcr) \
423 (((bhlcr) >> PCI_BIST_SHIFT) & PCI_BIST_MASK)
424
425#define PCI_HDRTYPE_SHIFT 16
426#define PCI_HDRTYPE_MASK 0xff
427#define PCI_HDRTYPE(bhlcr) \
428 (((bhlcr) >> PCI_HDRTYPE_SHIFT) & PCI_HDRTYPE_MASK)
429
430#define PCI_HDRTYPE_TYPE(bhlcr) \
431 (PCI_HDRTYPE(bhlcr) & 0x7f)
432#define PCI_HDRTYPE_MULTIFN(bhlcr) \
433 ((PCI_HDRTYPE(bhlcr) & 0x80) != 0)
434
435#define PCI_LATTIMER_SHIFT 8
436#define PCI_LATTIMER_MASK 0xff
437#define PCI_LATTIMER(bhlcr) \
438 (((bhlcr) >> PCI_LATTIMER_SHIFT) & PCI_LATTIMER_MASK)
439
440#define PCI_CACHELINE_SHIFT 0
441#define PCI_CACHELINE_MASK 0xff
442#define PCI_CACHELINE(bhlcr) \
443 (((bhlcr) >> PCI_CACHELINE_SHIFT) & PCI_CACHELINE_MASK)
444
445#define PCI_BHLC_CODE(bist,type,multi,latency,cacheline) \
446 ((((bist) & PCI_BIST_MASK) << PCI_BIST_SHIFT) | \
447 (((type) & PCI_HDRTYPE_MASK) << PCI_HDRTYPE_SHIFT) | \
448 (((multi)?0x80:0) << PCI_HDRTYPE_SHIFT) | \
449 (((latency) & PCI_LATTIMER_MASK) << PCI_LATTIMER_SHIFT) | \
450 (((cacheline) & PCI_CACHELINE_MASK) << PCI_CACHELINE_SHIFT))
451
452/*
453 * PCI header type
454 */
455#define PCI_HDRTYPE_DEVICE 0 /* PCI/PCIX/Cardbus */
456#define PCI_HDRTYPE_PPB 1 /* PCI/PCIX/Cardbus */
457#define PCI_HDRTYPE_PCB 2 /* PCI/PCIX/Cardbus */
458#define PCI_HDRTYPE_EP 0 /* PCI Express */
459#define PCI_HDRTYPE_RC 1 /* PCI Express */
460
461
462/*
463 * Mapping registers
464 */
465#define PCI_MAPREG_START 0x10
466#define PCI_MAPREG_END 0x28
467#define PCI_MAPREG_ROM 0x30
468#define PCI_MAPREG_PPB_END 0x18
469#define PCI_MAPREG_PCB_END 0x14
470
471#define PCI_BAR0 0x10
472#define PCI_BAR1 0x14
473#define PCI_BAR2 0x18
474#define PCI_BAR3 0x1C
475#define PCI_BAR4 0x20
476#define PCI_BAR5 0x24
477
478#define PCI_BAR(n) (PCI_MAPREG_START + 4 * (n))
479
480#define PCI_MAPREG_TYPE(mr) \
481 ((mr) & PCI_MAPREG_TYPE_MASK)
482#define PCI_MAPREG_TYPE_MASK 0x00000001
483
484#define PCI_MAPREG_TYPE_MEM 0x00000000
485#define PCI_MAPREG_TYPE_ROM 0x00000000
486#define PCI_MAPREG_TYPE_IO 0x00000001
487#define PCI_MAPREG_ROM_ENABLE 0x00000001
488
489#define PCI_MAPREG_MEM_TYPE(mr) \
490 ((mr) & PCI_MAPREG_MEM_TYPE_MASK)
491#define PCI_MAPREG_MEM_TYPE_MASK 0x00000006
492
493#define PCI_MAPREG_MEM_TYPE_32BIT 0x00000000
494#define PCI_MAPREG_MEM_TYPE_32BIT_1M 0x00000002
495#define PCI_MAPREG_MEM_TYPE_64BIT 0x00000004
496
497#define PCI_MAPREG_MEM_PREFETCHABLE(mr) \
498 (((mr) & PCI_MAPREG_MEM_PREFETCHABLE_MASK) != 0)
499#define PCI_MAPREG_MEM_PREFETCHABLE_MASK 0x00000008
500
501#define PCI_MAPREG_MEM_ADDR(mr) \
502 ((mr) & PCI_MAPREG_MEM_ADDR_MASK)
503#define PCI_MAPREG_MEM_SIZE(mr) \
504 (PCI_MAPREG_MEM_ADDR(mr) & -PCI_MAPREG_MEM_ADDR(mr))
505#define PCI_MAPREG_MEM_ADDR_MASK 0xfffffff0
506
507#define PCI_MAPREG_MEM64_ADDR(mr) \
508 ((mr) & PCI_MAPREG_MEM64_ADDR_MASK)
509#define PCI_MAPREG_MEM64_SIZE(mr) \
510 (PCI_MAPREG_MEM64_ADDR(mr) & -PCI_MAPREG_MEM64_ADDR(mr))
511#define PCI_MAPREG_MEM64_ADDR_MASK 0xfffffffffffffff0ULL
512
513#define PCI_MAPREG_IO_ADDR(mr) \
514 ((mr) & PCI_MAPREG_IO_ADDR_MASK)
515#define PCI_MAPREG_IO_SIZE(mr) \
516 (PCI_MAPREG_IO_ADDR(mr) & -PCI_MAPREG_IO_ADDR(mr))
517#define PCI_MAPREG_IO_ADDR_MASK 0xfffffffc
518
519#define PCI_MAPREG_ROM_ADDR(mr) \
520 ((mr) & PCI_MAPREG_ROM_ADDR_MASK)
521#define PCI_MAPREG_ROM_VALID_STAT __BITS(3, 1) /* Validation Status */
522#define PCI_MAPREG_ROM_VSTAT_NOTSUPP 0x0 /* Validation not supported */
523#define PCI_MAPREG_ROM_VSTAT_INPROG 0x1 /* Validation in Progress */
524#define PCI_MAPREG_ROM_VSTAT_VPASS 0x2 /* Valid contnt, trust test nperf*/
525#define PCI_MAPREG_ROM_VSTAT_VPASSTRUST 0x3 /* Valid and trusted contents */
526#define PCI_MAPREG_ROM_VSTAT_VFAIL 0x4 /* Invalid contents */
527#define PCI_MAPREG_ROM_VSTAT_VFAILUNTRUST 0x5 /* Valid but untrusted contents */
528#define PCI_MAPREG_ROM_VSTAT_WPASS 0x6 /* VPASS + warning */
529#define PCI_MAPREG_ROM_VSTAT_WPASSTRUST 0x7 /* VPASSTRUST + warning */
530#define PCI_MAPREG_ROM_VALID_DETAIL __BITS(7, 4) /* Validation Details */
531#define PCI_MAPREG_ROM_ADDR_MASK __BITS(31, 11)
532
533#define PCI_MAPREG_SIZE_TO_MASK(size) \
534 (-(size))
535
536#define PCI_MAPREG_NUM(offset) \
537 (((unsigned)(offset)-PCI_MAPREG_START)/4)
538
539
540/*
541 * Cardbus CIS pointer (PCI rev. 2.1)
542 */
543#define PCI_CARDBUS_CIS_REG 0x28
544
545/*
546 * Subsystem identification register; contains a vendor ID and a device ID.
547 * Types/macros for PCI_ID_REG apply.
548 * (PCI rev. 2.1)
549 */
550#define PCI_SUBSYS_ID_REG 0x2c
551
552#define PCI_SUBSYS_VENDOR_MASK __BITS(15, 0)
553#define PCI_SUBSYS_ID_MASK __BITS(31, 16)
554
555#define PCI_SUBSYS_VENDOR(__subsys_id) \
556 __SHIFTOUT(__subsys_id, PCI_SUBSYS_VENDOR_MASK)
557
558#define PCI_SUBSYS_ID(__subsys_id) \
559 __SHIFTOUT(__subsys_id, PCI_SUBSYS_ID_MASK)
560
561/*
562 * Capabilities link list (PCI rev. 2.2)
563 */
564#define PCI_CAPLISTPTR_REG 0x34 /* header type 0 */
565#define PCI_CARDBUS_CAPLISTPTR_REG 0x14 /* header type 2 */
566#define PCI_CAPLIST_PTR(cpr) ((cpr) & 0xff)
567#define PCI_CAPLIST_NEXT(cr) (((cr) >> 8) & 0xff)
568#define PCI_CAPLIST_CAP(cr) ((cr) & 0xff)
569
570#define PCI_CAP_RESERVED0 0x00
571#define PCI_CAP_PWRMGMT 0x01
572#define PCI_CAP_AGP 0x02
573#define PCI_CAP_VPD 0x03
574#define PCI_CAP_SLOTID 0x04
575#define PCI_CAP_MSI 0x05
576#define PCI_CAP_CPCI_HOTSWAP 0x06
577#define PCI_CAP_PCIX 0x07
578#define PCI_CAP_LDT 0x08 /* HyperTransport */
579#define PCI_CAP_VENDSPEC 0x09
580#define PCI_CAP_DEBUGPORT 0x0a
581#define PCI_CAP_CPCI_RSRCCTL 0x0b
582#define PCI_CAP_HOTPLUG 0x0c /* Standard Hot-Plug Controller(SHPC)*/
583#define PCI_CAP_SUBVENDOR 0x0d
584#define PCI_CAP_AGP8 0x0e
585#define PCI_CAP_SECURE 0x0f
586#define PCI_CAP_PCIEXPRESS 0x10
587#define PCI_CAP_MSIX 0x11
588#define PCI_CAP_SATA 0x12
589#define PCI_CAP_PCIAF 0x13
590#define PCI_CAP_EA 0x14 /* Enhanced Allocation (EA) */
591#define PCI_CAP_FPB 0x15 /* Flattening Portal Bridge (FPB) */
592
593/*
594 * Capability ID: 0x01
595 * Power Management Capability; access via capability pointer.
596 */
597
598/* Power Management Capability Register */
599#define PCI_PMCR 0x02
600#define PCI_PMCR_SHIFT 16
601#define PCI_PMCR_VERSION_MASK 0x0007
602#define PCI_PMCR_VERSION_10 0x0001
603#define PCI_PMCR_VERSION_11 0x0002
604#define PCI_PMCR_VERSION_12 0x0003
605#define PCI_PMCR_PME_CLOCK 0x0008
606#define PCI_PMCR_DSI 0x0020
607#define PCI_PMCR_AUXCUR_MASK 0x01c0
608#define PCI_PMCR_AUXCUR_0 0x0000
609#define PCI_PMCR_AUXCUR_55 0x0040
610#define PCI_PMCR_AUXCUR_100 0x0080
611#define PCI_PMCR_AUXCUR_160 0x00c0
612#define PCI_PMCR_AUXCUR_220 0x0100
613#define PCI_PMCR_AUXCUR_270 0x0140
614#define PCI_PMCR_AUXCUR_320 0x0180
615#define PCI_PMCR_AUXCUR_375 0x01c0
616#define PCI_PMCR_D1SUPP 0x0200
617#define PCI_PMCR_D2SUPP 0x0400
618#define PCI_PMCR_PME_D0 0x0800
619#define PCI_PMCR_PME_D1 0x1000
620#define PCI_PMCR_PME_D2 0x2000
621#define PCI_PMCR_PME_D3HOT 0x4000
622#define PCI_PMCR_PME_D3COLD 0x8000
623/*
624 * Power Management Control Status Register, Bridge Support Extensions Register
625 * and Data Register.
626 */
627#define PCI_PMCSR 0x04
628#define PCI_PMCSR_STATE_MASK 0x00000003
629#define PCI_PMCSR_STATE_D0 0x00000000
630#define PCI_PMCSR_STATE_D1 0x00000001
631#define PCI_PMCSR_STATE_D2 0x00000002
632#define PCI_PMCSR_STATE_D3 0x00000003
633#define PCI_PMCSR_NO_SOFTRST 0x00000008
634#define PCI_PMCSR_PME_EN 0x00000100
635#define PCI_PMCSR_DATASEL_MASK 0x00001e00
636#define PCI_PMCSR_DATASCL_MASK 0x00006000
637#define PCI_PMCSR_PME_STS 0x00008000 /* PME Status (R/W1C) */
638#define PCI_PMCSR_B2B3_SUPPORT 0x00400000
639#define PCI_PMCSR_BPCC_EN 0x00800000
640#define PCI_PMCSR_DATA 0xff000000
641
642
643/*
644 * Capability ID: 0x02
645 * AGP
646 */
647#define PCI_CAP_AGP_MAJOR(cr) (((cr) >> 20) & 0xf)
648#define PCI_CAP_AGP_MINOR(cr) (((cr) >> 16) & 0xf)
649#define PCI_AGP_STATUS 0x04
650#define PCI_AGP_COMMAND 0x08
651/* Definitions for STATUS and COMMAND register bits */
652#define AGP_MODE_RQ __BITS(31, 24)
653#define AGP_MODE_ARQSZ __BITS(15, 13)
654#define AGP_MODE_CAL __BITS(12, 10)
655#define AGP_MODE_SBA __BIT(9)
656#define AGP_MODE_AGP __BIT(8)
657#define AGP_MODE_HTRANS __BIT(6)
658#define AGP_MODE_4G __BIT(5)
659#define AGP_MODE_FW __BIT(4)
660#define AGP_MODE_MODE_3 __BIT(3)
661#define AGP_MODE_RATE __BITS(2, 0)
662#define AGP_MODE_V2_RATE_1x 0x1
663#define AGP_MODE_V2_RATE_2x 0x2
664#define AGP_MODE_V2_RATE_4x 0x4
665#define AGP_MODE_V3_RATE_4x 0x1
666#define AGP_MODE_V3_RATE_8x 0x2
667#define AGP_MODE_V3_RATE_RSVD 0x4
668
669
670/*
671 * Capability ID: 0x03
672 * Vital Product Data; access via capability pointer (PCI rev 2.2).
673 */
674#define PCI_VPD_ADDRESS_MASK 0x7fff
675#define PCI_VPD_ADDRESS_SHIFT 16
676#define PCI_VPD_ADDRESS(ofs) \
677 (((ofs) & PCI_VPD_ADDRESS_MASK) << PCI_VPD_ADDRESS_SHIFT)
678#define PCI_VPD_DATAREG(ofs) ((ofs) + 4)
679#define PCI_VPD_OPFLAG 0x80000000
680
681/*
682 * Capability ID: 0x04
683 * Slot ID
684 */
685
686/*
687 * Capability ID: 0x05
688 * MSI
689 */
690
691#define PCI_MSI_CTL 0x0 /* Message Control Register offset */
692#define PCI_MSI_MADDR 0x4 /* Message Address Register (least
693 * significant bits) offset
694 */
695#define PCI_MSI_MADDR64_LO 0x4 /* 64-bit Message Address Register
696 * (least significant bits) offset
697 */
698#define PCI_MSI_MADDR64_HI 0x8 /* 64-bit Message Address Register
699 * (most significant bits) offset
700 */
701#define PCI_MSI_MDATA 0x8 /* Message Data Register offset */
702#define PCI_MSI_MDATA64 0xc /* 64-bit Message Data Register
703 * offset
704 */
705
706#define PCI_MSI_MASK 0x0c /* Vector Mask register */
707#define PCI_MSI_MASK64 0x10 /* 64-bit Vector Mask register */
708
709#define PCI_MSI_PENDING 0x10 /* Vector Pending register */
710#define PCI_MSI_PENDING64 0x14 /* 64-bit Vector Pending register */
711
712#define PCI_MSI_CTL_MASK __BITS(31, 16)
713#define PCI_MSI_CTL_EXTMDATA_EN __SHIFTIN(__BIT(10), PCI_MSI_CTL_MASK)
714#define PCI_MSI_CTL_EXTMDATA_CAP __SHIFTIN(__BIT(9), PCI_MSI_CTL_MASK)
715#define PCI_MSI_CTL_PERVEC_MASK __SHIFTIN(__BIT(8), PCI_MSI_CTL_MASK)
716#define PCI_MSI_CTL_64BIT_ADDR __SHIFTIN(__BIT(7), PCI_MSI_CTL_MASK)
717#define PCI_MSI_CTL_MME_MASK __SHIFTIN(__BITS(6, 4), PCI_MSI_CTL_MASK)
718#define PCI_MSI_CTL_MME(reg) __SHIFTOUT(reg, PCI_MSI_CTL_MME_MASK)
719#define PCI_MSI_CTL_MMC_MASK __SHIFTIN(__BITS(3, 1), PCI_MSI_CTL_MASK)
720#define PCI_MSI_CTL_MMC(reg) __SHIFTOUT(reg, PCI_MSI_CTL_MMC_MASK)
721#define PCI_MSI_CTL_MSI_ENABLE __SHIFTIN(__BIT(0), PCI_MSI_CTL_MASK)
722
723/*
724 * MSI Message Address is at offset 4.
725 * MSI Message Upper Address (if 64bit) is at offset 8.
726 * MSI Message data is at offset 8 or 12 and is lower 16 bits.
727 * MSI Extended Message data is at offset 8 or 12 and is upper 16 bits.
728 * MSI Mask Bits (32 bit field)
729 * MSI Pending Bits (32 bit field)
730 */
731
732 /* Max number of MSI vectors. See PCI-SIG specification. */
733#define PCI_MSI_MAX_VECTORS 32
734
735/*
736 * Capability ID: 0x07
737 * PCI-X capability.
738 *
739 * PCI-X capability register has two different layouts. One is for bridge
740 * function. Another is for non-bridge functions.
741 */
742
743
744/* For non-bridge functions */
745
746/*
747 * Command. 16 bits at offset 2 (e.g. upper 16 bits of the first 32-bit
748 * word at the capability; the lower 16 bits are the capability ID and
749 * next capability pointer).
750 *
751 * Since we always read PCI config space in 32-bit words, we define these
752 * as 32-bit values, offset and shifted appropriately. Make sure you perform
753 * the appropriate R/M/W cycles!
754 */
755#define PCIX_CMD 0x00
756#define PCIX_CMD_PERR_RECOVER 0x00010000
757#define PCIX_CMD_RELAXED_ORDER 0x00020000
758#define PCIX_CMD_BYTECNT_MASK 0x000c0000
759#define PCIX_CMD_BYTECNT_SHIFT 18
760#define PCIX_CMD_BYTECNT(reg) \
761 (512 << (((reg) & PCIX_CMD_BYTECNT_MASK) >> PCIX_CMD_BYTECNT_SHIFT))
762#define PCIX_CMD_BCNT_512 0x00000000
763#define PCIX_CMD_BCNT_1024 0x00040000
764#define PCIX_CMD_BCNT_2048 0x00080000
765#define PCIX_CMD_BCNT_4096 0x000c0000
766#define PCIX_CMD_SPLTRANS_MASK 0x00700000
767#define PCIX_CMD_SPLTRANS_SHIFT 20
768#define PCIX_CMD_SPLTRANS_1 0x00000000
769#define PCIX_CMD_SPLTRANS_2 0x00100000
770#define PCIX_CMD_SPLTRANS_3 0x00200000
771#define PCIX_CMD_SPLTRANS_4 0x00300000
772#define PCIX_CMD_SPLTRANS_8 0x00400000
773#define PCIX_CMD_SPLTRANS_12 0x00500000
774#define PCIX_CMD_SPLTRANS_16 0x00600000
775#define PCIX_CMD_SPLTRANS_32 0x00700000
776
777/*
778 * Status. 32 bits at offset 4.
779 */
780#define PCIX_STATUS 0x04
781#define PCIX_STATUS_FN_MASK 0x00000007
782#define PCIX_STATUS_DEV_MASK 0x000000f8
783#define PCIX_STATUS_DEV_SHIFT 3
784#define PCIX_STATUS_BUS_MASK 0x0000ff00
785#define PCIX_STATUS_BUS_SHIFT 8
786#define PCIX_STATUS_FN(val) ((val) & PCIX_STATUS_FN_MASK)
787#define PCIX_STATUS_DEV(val) \
788 (((val) & PCIX_STATUS_DEV_MASK) >> PCIX_STATUS_DEV_SHIFT)
789#define PCIX_STATUS_BUS(val) \
790 (((val) & PCIX_STATUS_BUS_MASK) >> PCIX_STATUS_BUS_SHIFT)
791#define PCIX_STATUS_64BIT 0x00010000 /* 64bit device */
792#define PCIX_STATUS_133 0x00020000 /* 133MHz capable */
793#define PCIX_STATUS_SPLDISC 0x00040000 /* Split completion discarded*/
794#define PCIX_STATUS_SPLUNEX 0x00080000 /* Unexpected split complet. */
795#define PCIX_STATUS_DEVCPLX 0x00100000 /* Device Complexity */
796#define PCIX_STATUS_MAXB_MASK 0x00600000 /* MAX memory read Byte count*/
797#define PCIX_STATUS_MAXB_SHIFT 21
798#define PCIX_STATUS_MAXB_512 0x00000000
799#define PCIX_STATUS_MAXB_1024 0x00200000
800#define PCIX_STATUS_MAXB_2048 0x00400000
801#define PCIX_STATUS_MAXB_4096 0x00600000
802#define PCIX_STATUS_MAXST_MASK 0x03800000 /* MAX outstand. Split Trans.*/
803#define PCIX_STATUS_MAXST_SHIFT 23
804#define PCIX_STATUS_MAXST_1 0x00000000
805#define PCIX_STATUS_MAXST_2 0x00800000
806#define PCIX_STATUS_MAXST_3 0x01000000
807#define PCIX_STATUS_MAXST_4 0x01800000
808#define PCIX_STATUS_MAXST_8 0x02000000
809#define PCIX_STATUS_MAXST_12 0x02800000
810#define PCIX_STATUS_MAXST_16 0x03000000
811#define PCIX_STATUS_MAXST_32 0x03800000
812#define PCIX_STATUS_MAXRS_MASK 0x1c000000 /* MAX cumulative Read Size */
813#define PCIX_STATUS_MAXRS_SHIFT 26
814#define PCIX_STATUS_MAXRS_1K 0x00000000
815#define PCIX_STATUS_MAXRS_2K 0x04000000
816#define PCIX_STATUS_MAXRS_4K 0x08000000
817#define PCIX_STATUS_MAXRS_8K 0x0c000000
818#define PCIX_STATUS_MAXRS_16K 0x10000000
819#define PCIX_STATUS_MAXRS_32K 0x14000000
820#define PCIX_STATUS_MAXRS_64K 0x18000000
821#define PCIX_STATUS_MAXRS_128K 0x1c000000
822#define PCIX_STATUS_SCERR 0x20000000 /* rcv. Split Completion ERR.*/
823#define PCIX_STATUS_266 0x40000000 /* 266MHz capable */
824#define PCIX_STATUS_533 0x80000000 /* 533MHz capable */
825
826/* For bridge function */
827
828#define PCIX_BRIDGE_2ND_STATUS 0x00
829#define PCIX_BRIDGE_ST_64BIT 0x00010000 /* Same as PCIX_STATUS (nonb)*/
830#define PCIX_BRIDGE_ST_133 0x00020000 /* Same as PCIX_STATUS (nonb)*/
831#define PCIX_BRIDGE_ST_SPLDISC 0x00040000 /* Same as PCIX_STATUS (nonb)*/
832#define PCIX_BRIDGE_ST_SPLUNEX 0x00080000 /* Same as PCIX_STATUS (nonb)*/
833#define PCIX_BRIDGE_ST_SPLOVRN 0x00100000 /* Split completion overrun */
834#define PCIX_BRIDGE_ST_SPLRQDL 0x00200000 /* Split request delayed */
835#define PCIX_BRIDGE_2NDST_CLKF 0x03c00000 /* Secondary clock frequency */
836#define PCIX_BRIDGE_2NDST_CLKF_SHIFT 22
837#define PCIX_BRIDGE_2NDST_VER_MASK 0x30000000 /* Version */
838#define PCIX_BRIDGE_2NDST_VER_SHIFT 28
839#define PCIX_BRIDGE_ST_266 0x40000000 /* Same as PCIX_STATUS (nonb)*/
840#define PCIX_BRIDGE_ST_533 0x80000000 /* Same as PCIX_STATUS (nonb)*/
841
842#define PCIX_BRIDGE_PRI_STATUS 0x04
843/* Bit 0 to 15 are the same as PCIX_STATUS */
844/* Bit 16 to 21 are the same as PCIX_BRIDGE_2ND_STATUS */
845/* Bit 30 and 31 are the same as PCIX_BRIDGE_2ND_STATUS */
846
847#define PCIX_BRIDGE_UP_STCR 0x08 /* Upstream Split Transaction Control */
848#define PCIX_BRIDGE_DOWN_STCR 0x0c /* Downstream Split Transaction Control */
849/* The layouts of above two registers are the same */
850#define PCIX_BRIDGE_STCAP 0x0000ffff /* Sp. Tr. Capacity */
851#define PCIX_BRIDGE_STCLIM 0xffff0000 /* Sp. Tr. Commitment Limit */
852#define PCIX_BRIDGE_STCLIM_SHIFT 16
853
854/*
855 * Capability ID: 0x08
856 * HyperTransport
857 */
858
859#define PCI_HT_CMD 0x00 /* Capability List & Command Register */
860#define PCI_HT_CMD_MASK __BITS(31, 16)
861#define PCI_HT_CAP(cr) ((((cr) >> 27) < 0x08) ? \
862 (((cr) >> 27) & 0x1c) : (((cr) >> 27) & 0x1f))
863#define PCI_HT_CAPMASK __BITS(31, 27)
864#define PCI_HT_CAP_SLAVE 0b00000 /* 000xx */
865#define PCI_HT_CAP_HOST 0b00100 /* 001xx */
866#define PCI_HT_CAP_SWITCH 0b01000
867#define PCI_HT_CAP_INTERRUPT 0b10000
868#define PCI_HT_CAP_REVID 0b10001
869#define PCI_HT_CAP_UNITID_CLUMP 0b10010
870#define PCI_HT_CAP_EXTCNFSPACE 0b10011
871#define PCI_HT_CAP_ADDRMAP 0b10100
872#define PCI_HT_CAP_MSIMAP 0b10101
873#define PCI_HT_CAP_DIRECTROUTE 0b10110
874#define PCI_HT_CAP_VCSET 0b10111
875#define PCI_HT_CAP_RETRYMODE 0b11000
876#define PCI_HT_CAP_X86ENCODE 0b11001
877#define PCI_HT_CAP_GEN3 0b11010
878#define PCI_HT_CAP_FLE 0b11011
879#define PCI_HT_CAP_PM 0b11100
880#define PCI_HT_CAP_HIGHNODECNT 0b11101
881
882/*
883 * HT Cap ID: 0b10101
884 * MSI Mapping
885 */
886
887/* Command register bits (31-16)*/
888#define PCI_HT_MSI_ENABLED __BIT(16)
889#define PCI_HT_MSI_FIXED __BIT(17)
890
891#define PCI_HT_MSI_ADDR_LO 0x04 /* Address register (low) */
892#define PCI_HT_MSI_ADDR_LO_MASK __BITS(31, 20)
893#define PCI_HT_MSI_FIXED_ADDR 0xfee00000UL
894#define PCI_HT_MSI_ADDR_HI 0x08 /* Address Register (high) */
895
896/*
897 * Capability ID: 0x09
898 * Vendor Specific
899 */
900#define PCI_VENDORSPECIFIC 0x02
901#define PCI_VENDORSPECIFIC_SHIFT 16
902
903/*
904 * Capability ID: 0x0a
905 * Debug Port
906 */
907#define PCI_DEBUG_BASER 0x00 /* Debug Base Register */
908#define PCI_DEBUG_BASER_SHIFT 16
909#define PCI_DEBUG_PORTOFF_SHIFT 16
910#define PCI_DEBUG_PORTOFF_MASK 0x1fff0000 /* Debug port offset */
911#define PCI_DEBUG_BARNUM_SHIFT 29
912#define PCI_DEBUG_BARNUM_MASK 0xe0000000 /* BAR number */
913
914/*
915 * Capability ID: 0x0b
916 * Compact PCI
917 */
918
919/*
920 * Capability ID: 0x0c
921 * Hotplug
922 */
923
924/*
925 * Capability ID: 0x0d
926 * Subsystem
927 */
928#define PCI_CAP_SUBSYS_ID 0x04
929/* bit field layout is the same as PCI_SUBSYS_ID_REG's one */
930
931/*
932 * Capability ID: 0x0e
933 * AGP8
934 */
935
936/*
937 * Capability ID: 0x0f
938 * Secure Device
939 *
940 * Reference: AMD I/O Virtualization Technology(IOMMU) Specification (#48882)
941 * Revision 3.00.
942 */
943#define PCI_SECURE_CAP 0x00 /* Capability Header */
944#define PCI_SECURE_CAP_TYPE __BITS(18, 16) /* Capability block type */
945#define PCI_SECURE_CAP_TYPE_IOMMU 0x3 /* IOMMU Cap */
946#define PCI_SECURE_CAP_REV __BITS(23, 19) /* Capability revision */
947#define PCI_SECURE_CAP_REV_IOMMU 0x01 /* IOMMU interface */
948/* For IOMMU only */
949#define PCI_SECURE_CAP_IOTLBSUP __BIT(24) /* IOTLB */
950#define PCI_SECURE_CAP_HTTUNNEL __BIT(25) /* HT tunnel translation */
951#define PCI_SECURE_CAP_NPCACHE __BIT(26) /* Not present table entries cached */
952#define PCI_SECURE_CAP_EFRSUP __BIT(27) /* IOMMU Ext-Feature Reg */
953#define PCI_SECURE_CAP_EXT __BIT(28) /* IOMMU Misc Info Reg 1 */
954#define PCI_SECURE_IOMMU_BAL 0x04 /* Base Address Low */
955#define PCI_SECURE_IOMMU_BAL_EN __BIT(0) /* Enable */
956#define PCI_SECURE_IOMMU_BAL_L __BITS(18, 14) /* Base Addr [18:14] */
957#define PCI_SECURE_IOMMU_BAL_H __BITS(31, 19) /* Base Addr [31:19] */
958#define PCI_SECURE_IOMMU_BAH 0x08 /* Base Address High */
959#define PCI_SECURE_IOMMU_RANGE 0x0c /* IOMMU Range */
960#define PCI_SECURE_IOMMU_RANGE_UNITID __BITS(4, 0) /* HT UnitID */
961#define PCI_SECURE_IOMMU_RANGE_RNGVALID __BIT(7) /* Range valid */
962#define PCI_SECURE_IOMMU_RANGE_BUSNUM __BITS(15, 8) /* bus number */
963#define PCI_SECURE_IOMMU_RANGE_FIRSTDEV __BITS(23, 16) /* First device */
964#define PCI_SECURE_IOMMU_RANGE_LASTDEV __BITS(31, 24) /* Last device */
965#define PCI_SECURE_IOMMU_MISC0 0x10 /* IOMMU Miscellaneous Information 0 */
966#define PCI_SECURE_IOMMU_MISC0_MSINUM __BITS(4, 0) /* MSI Message number */
967#define PCI_SECURE_IOMMU_MISC0_GVASIZE __BITS(7, 5) /* Guest Virtual Adr size */
968#define PCI_SECURE_IOMMU_MISC0_GVASIZE_48B 0x2 /* 48bits */
969#define PCI_SECURE_IOMMU_MISC0_PASIZE __BITS(14, 8) /* Physical Address size */
970#define PCI_SECURE_IOMMU_MISC0_VASIZE __BITS(21, 15)/* Virtual Address size */
971#define PCI_SECURE_IOMMU_MISC0_ATSRESV __BIT(22) /* ATS resp addr range rsvd */
972#define PCI_SECURE_IOMMU_MISC0_MISNPPR __BITS(31, 27)/* Periph Pg Rq MSI Msgn*/
973#define PCI_SECURE_IOMMU_MISC1 0x14 /* IOMMU Miscellaneous Information 1 */
974#define PCI_SECURE_IOMMU_MISC1_MSINUM __BITS(4, 0) /* MSI Message number(GA) */
975
976/*
977 * Capability ID: 0x10
978 * PCI Express; access via capability pointer.
979 */
980#define PCIE_XCAP 0x00 /* Capability List & Capabilities Register */
981#define PCIE_XCAP_MASK __BITS(31, 16)
982/* Capability Version */
983#define PCIE_XCAP_VER_MASK __SHIFTIN(__BITS(3, 0), PCIE_XCAP_MASK)
984#define PCIE_XCAP_VER(x) __SHIFTOUT((x), PCIE_XCAP_VER_MASK)
985#define PCIE_XCAP_VER_1 1
986#define PCIE_XCAP_VER_2 2
987#define PCIE_XCAP_TYPE_MASK __SHIFTIN(__BITS(7, 4), PCIE_XCAP_MASK)
988#define PCIE_XCAP_TYPE(x) __SHIFTOUT((x), PCIE_XCAP_TYPE_MASK)
989#define PCIE_XCAP_TYPE_PCIE_DEV 0x0
990#define PCIE_XCAP_TYPE_PCI_DEV 0x1
991#define PCIE_XCAP_TYPE_RP 0x4
992#define PCIE_XCAP_TYPE_UP 0x5
993#define PCIE_XCAP_TYPE_DOWN 0x6
994#define PCIE_XCAP_TYPE_PCIE2PCI 0x7
995#define PCIE_XCAP_TYPE_PCI2PCIE 0x8
996#define PCIE_XCAP_TYPE_RCIEP 0x9
997#define PCIE_XCAP_TYPE_RC_EVNTC 0xa
998#define PCIE_XCAP_SI __SHIFTIN(__BIT(8), PCIE_XCAP_MASK) /* Slot Implemented */
999#define PCIE_XCAP_IRQ __SHIFTIN(__BITS(13, 9), PCIE_XCAP_MASK)
1000#define PCIE_DCAP 0x04 /* Device Capabilities Register */
1001#define PCIE_DCAP_MAX_PAYLOAD __BITS(2, 0) /* Max Payload Size Supported */
1002#define PCIE_DCAP_PHANTOM_FUNCS __BITS(4, 3) /* Phantom Functions Supported*/
1003#define PCIE_DCAP_EXT_TAG_FIELD __BIT(5) /* Extended Tag Field Support */
1004#define PCIE_DCAP_L0S_LATENCY __BITS(8, 6) /* Endpoint L0 Accptbl Latency*/
1005#define PCIE_DCAP_L1_LATENCY __BITS(11, 9) /* Endpoint L1 Accptbl Latency*/
1006#define PCIE_DCAP_ATTN_BUTTON __BIT(12) /* Attention Indicator Button */
1007#define PCIE_DCAP_ATTN_IND __BIT(13) /* Attention Indicator Present*/
1008#define PCIE_DCAP_PWR_IND __BIT(14) /* Power Indicator Present */
1009#define PCIE_DCAP_ROLE_ERR_RPT __BIT(15) /* Role-Based Error Reporting */
1010#define PCIE_DCAP_SLOT_PWR_LIM_VAL __BITS(25, 18) /* Cap. Slot PWR Limit Val */
1011#define PCIE_DCAP_SLOT_PWR_LIM_SCALE __BITS(27, 26) /* Cap. SlotPWRLimit Scl */
1012#define PCIE_DCAP_FLR __BIT(28) /* Function-Level Reset Cap. */
1013#define PCIE_DCSR 0x08 /* Device Control & Status Register */
1014#define PCIE_DCSR_ENA_COR_ERR __BIT(0) /* Correctable Error Report En*/
1015#define PCIE_DCSR_ENA_NFER __BIT(1) /* Non-Fatal Error Report En. */
1016#define PCIE_DCSR_ENA_FER __BIT(2) /* Fatal Error Reporting Enabl*/
1017#define PCIE_DCSR_ENA_URR __BIT(3) /* Unsupported Request Rpt En */
1018#define PCIE_DCSR_ENA_RELAX_ORD __BIT(4) /* Enable Relaxed Ordering */
1019#define PCIE_DCSR_MAX_PAYLOAD __BITS(7, 5) /* Max Payload Size */
1020#define PCIE_DCSR_EXT_TAG_FIELD __BIT(8) /* Extended Tag Field Enable */
1021#define PCIE_DCSR_PHANTOM_FUNCS __BIT(9) /* Phantom Functions Enable */
1022#define PCIE_DCSR_AUX_POWER_PM __BIT(10) /* Aux Power PM Enable */
1023#define PCIE_DCSR_ENA_NO_SNOOP __BIT(11) /* Enable No Snoop */
1024#define PCIE_DCSR_MAX_READ_REQ __BITS(14, 12) /* Max Read Request Size */
1025#define PCIE_DCSR_BRDG_CFG_RETRY __BIT(15) /* Bridge Config Retry Enable */
1026#define PCIE_DCSR_INITIATE_FLR __BIT(15) /* Initiate Function-Level Rst*/
1027#define PCIE_DCSR_CED __BIT(0 + 16) /* Correctable Error Detected */
1028#define PCIE_DCSR_NFED __BIT(1 + 16) /* Non-Fatal Error Detected */
1029#define PCIE_DCSR_FED __BIT(2 + 16) /* Fatal Error Detected */
1030#define PCIE_DCSR_URD __BIT(3 + 16) /* Unsupported Req. Detected */
1031#define PCIE_DCSR_AUX_PWR __BIT(4 + 16) /* Aux Power Detected */
1032#define PCIE_DCSR_TRANSACTION_PND __BIT(5 + 16) /* Transaction Pending */
1033#define PCIE_DCSR_EMGPWRREDD __BIT(6 + 16) /* Emg. Pwr. Reduct. Detected */
1034#define PCIE_LCAP 0x0c /* Link Capabilities Register */
1035#define PCIE_LCAP_MAX_SPEED __BITS(3, 0) /* Max Link Speed */
1036#define PCIE_LCAP_MAX_SPEED_2 1 /* 2.5GT/s */
1037#define PCIE_LCAP_MAX_SPEED_5 2 /* 5GT/s */
1038#define PCIE_LCAP_MAX_SPEED_8 3 /* 8GT/s */
1039#define PCIE_LCAP_MAX_SPEED_16 4 /* 16GT/s */
1040#define PCIE_LCAP_MAX_SPEED_32 5 /* 32GT/s */
1041#define PCIE_LCAP_MAX_SPEED_64 6 /* 64GT/s */
1042#define PCIE_LCAP_MAX_WIDTH __BITS(9, 4) /* Maximum Link Width */
1043#define PCIE_LCAP_ASPM __BITS(11, 10) /* Active State Link PM Supp. */
1044#define PCIE_LCAP_L0S_EXIT __BITS(14, 12) /* L0s Exit Latency */
1045#define PCIE_LCAP_L1_EXIT __BITS(17, 15) /* L1 Exit Latency */
1046#define PCIE_LCAP_CLOCK_PM __BIT(18) /* Clock Power Management */
1047#define PCIE_LCAP_SURPRISE_DOWN __BIT(19) /* Surprise Down Err Rpt Cap. */
1048#define PCIE_LCAP_DL_ACTIVE __BIT(20) /* Data Link Layer Link Active*/
1049#define PCIE_LCAP_LINK_BW_NOTIFY __BIT(21) /* Link BW Notification Capabl*/
1050#define PCIE_LCAP_ASPM_COMPLIANCE __BIT(22) /* ASPM Optionally Compliance */
1051#define PCIE_LCAP_PORT __BITS(31, 24) /* Port Number */
1052#define PCIE_LCSR 0x10 /* Link Control & Status Register */
1053#define PCIE_LCSR_ASPM_L0S __BIT(0) /* Active State PM Control L0s*/
1054#define PCIE_LCSR_ASPM_L1 __BIT(1) /* Active State PM Control L1 */
1055#define PCIE_LCSR_RCB __BIT(3) /* Read Completion Boundary Ctl*/
1056#define PCIE_LCSR_LINK_DIS __BIT(4) /* Link Disable */
1057#define PCIE_LCSR_RETRAIN __BIT(5) /* Retrain Link */
1058#define PCIE_LCSR_COMCLKCFG __BIT(6) /* Common Clock Configuration */
1059#define PCIE_LCSR_EXTNDSYNC __BIT(7) /* Extended Synch */
1060#define PCIE_LCSR_ENCLKPM __BIT(8) /* Enable Clock Power Managmt */
1061#define PCIE_LCSR_HAWD __BIT(9) /* HW Autonomous Width Disable*/
1062#define PCIE_LCSR_LBMIE __BIT(10) /* Link BW Management Intr En */
1063#define PCIE_LCSR_LABIE __BIT(11) /* Link Autonomous BW Intr En */
1064#define PCIE_LCSR_DRSSGNL __BITS(15, 14) /* DRS Signaling */
1065#define PCIE_LCSR_LINKSPEED __BITS(19, 16) /* Link Speed */
1066#define PCIE_LCSR_LINKSPEED_2 1 /* 2.5GT/s */
1067#define PCIE_LCSR_LINKSPEED_5 2 /* 5GT/s */
1068#define PCIE_LCSR_LINKSPEED_8 3 /* 8GT/s */
1069#define PCIE_LCSR_LINKSPEED_16 4 /* 16GT/s */
1070#define PCIE_LCSR_LINKSPEED_32 5 /* 32GT/s */
1071#define PCIE_LCSR_LINKSPEED_64 6 /* 64GT/s */
1072#define PCIE_LCSR_NLW __BITS(25, 20) /* Negotiated Link Width */
1073#define PCIE_LCSR_NLW_X1 __BIT(20) /* Negotiated x1 */
1074#define PCIE_LCSR_NLW_X2 __BIT(21) /* Negotiated x2 */
1075#define PCIE_LCSR_NLW_X4 __BIT(22) /* Negotiated x4 */
1076#define PCIE_LCSR_NLW_X8 __BIT(23) /* Negotiated x8 */
1077#define PCIE_LCSR_NLW_X12 __BITS(22, 23) /* Negotiated x12 */
1078#define PCIE_LCSR_NLW_X16 __BIT(24) /* Negotiated x16 */
1079#define PCIE_LCSR_NLW_X32 __BIT(25) /* Negotiated x32 */
1080#define PCIE_LCSR_LINKTRAIN_ERR __BIT(10 + 16) /* Link Training Error */
1081#define PCIE_LCSR_LINKTRAIN __BIT(11 + 16) /* Link Training */
1082#define PCIE_LCSR_SLOTCLKCFG __BIT(12 + 16) /* Slot Clock Configuration */
1083#define PCIE_LCSR_DLACTIVE __BIT(13 + 16) /* Data Link Layer Link Active*/
1084#define PCIE_LCSR_LINK_BW_MGMT __BIT(14 + 16) /* Link BW Management Status */
1085#define PCIE_LCSR_LINK_AUTO_BW __BIT(15 + 16) /* Link Autonomous BW Status */
1086#define PCIE_SLCAP 0x14 /* Slot Capabilities Register */
1087#define PCIE_SLCAP_ABP __BIT(0) /* Attention Button Present */
1088#define PCIE_SLCAP_PCP __BIT(1) /* Power Controller Present */
1089#define PCIE_SLCAP_MSP __BIT(2) /* MRL Sensor Present */
1090#define PCIE_SLCAP_AIP __BIT(3) /* Attention Indicator Present*/
1091#define PCIE_SLCAP_PIP __BIT(4) /* Power Indicator Present */
1092#define PCIE_SLCAP_HPS __BIT(5) /* Hot-Plug Surprise */
1093#define PCIE_SLCAP_HPC __BIT(6) /* Hot-Plug Capable */
1094#define PCIE_SLCAP_SPLV __BITS(14, 7) /* Slot Power Limit Value */
1095#define PCIE_SLCAP_SPLS __BITS(16, 15) /* Slot Power Limit Scale */
1096#define PCIE_SLCAP_EIP __BIT(17) /* Electromechanical Interlock*/
1097#define PCIE_SLCAP_NCCS __BIT(18) /* No Command Completed Supp. */
1098#define PCIE_SLCAP_PSN __BITS(31, 19) /* Physical Slot Number */
1099#define PCIE_SLCSR 0x18 /* Slot Control & Status Register */
1100#define PCIE_SLCSR_ABE __BIT(0) /* Attention Button Pressed En*/
1101#define PCIE_SLCSR_PFE __BIT(1) /* Power Button Pressed Enable*/
1102#define PCIE_SLCSR_MSE __BIT(2) /* MRL Sensor Changed Enable */
1103#define PCIE_SLCSR_PDE __BIT(3) /* Presence Detect Changed Ena*/
1104#define PCIE_SLCSR_CCE __BIT(4) /* Command Completed Intr. En */
1105#define PCIE_SLCSR_HPE __BIT(5) /* Hot Plug Interrupt Enable */
1106#define PCIE_SLCSR_AIC __BITS(7, 6) /* Attention Indicator Control*/
1107#define PCIE_SLCSR_PIC __BITS(9, 8) /* Power Indicator Control */
1108#define PCIE_SLCSR_IND_ON 0x1 /* Attn/Power Indicator On */
1109#define PCIE_SLCSR_IND_BLINK 0x2 /* Attn/Power Indicator Blink */
1110#define PCIE_SLCSR_IND_OFF 0x3 /* Attn/Power Indicator Off */
1111#define PCIE_SLCSR_PCC __BIT(10) /*
1112 * Power Controller Control:
1113 * 0: Power on, 1: Power off.
1114 */
1115#define PCIE_SLCSR_EIC __BIT(11) /* Electromechanical Interlock*/
1116#define PCIE_SLCSR_DLLSCE __BIT(12) /* DataLinkLayer State Changed*/
1117#define PCIE_SLCSR_AUTOSPLDIS __BIT(13) /* Auto Slot Power Limit Dis. */
1118#define PCIE_SLCSR_ABP __BIT(0 + 16) /* Attention Button Pressed */
1119#define PCIE_SLCSR_PFD __BIT(1 + 16) /* Power Fault Detected */
1120#define PCIE_SLCSR_MSC __BIT(2 + 16) /* MRL Sensor Changed */
1121#define PCIE_SLCSR_PDC __BIT(3 + 16) /* Presence Detect Changed */
1122#define PCIE_SLCSR_CC __BIT(4 + 16) /* Command Completed */
1123#define PCIE_SLCSR_MS __BIT(5 + 16) /* MRL Sensor State */
1124#define PCIE_SLCSR_PDS __BIT(6 + 16) /* Presence Detect State */
1125#define PCIE_SLCSR_EIS __BIT(7 + 16) /* Electromechanical Interlock*/
1126#define PCIE_SLCSR_LACS __BIT(8 + 16) /* Data Link Layer State Chg. */
1127#define PCIE_RCR 0x1c /* Root Control & Capabilities Reg. */
1128#define PCIE_RCR_SERR_CER __BIT(0) /* SERR on Correctable Err. En*/
1129#define PCIE_RCR_SERR_NFER __BIT(1) /* SERR on Non-Fatal Error En */
1130#define PCIE_RCR_SERR_FER __BIT(2) /* SERR on Fatal Error Enable */
1131#define PCIE_RCR_PME_IE __BIT(3) /* PME Interrupt Enable */
1132#define PCIE_RCR_CRS_SVE __BIT(4) /* CRS Software Visibility En */
1133#define PCIE_RCR_CRS_SV __BIT(16) /* CRS Software Visibility */
1134#define PCIE_RSR 0x20 /* Root Status Register */
1135#define PCIE_RSR_PME_REQESTER __BITS(15, 0) /* PME Requester ID */
1136#define PCIE_RSR_PME_STAT __BIT(16) /* PME Status */
1137#define PCIE_RSR_PME_PEND __BIT(17) /* PME Pending */
1138#define PCIE_DCAP2 0x24 /* Device Capabilities 2 Register */
1139#define PCIE_DCAP2_COMPT_RANGE __BITS(3,0) /* Compl. Timeout Ranges Supp */
1140#define PCIE_DCAP2_COMPT_DIS __BIT(4) /* Compl. Timeout Disable Supp*/
1141#define PCIE_DCAP2_ARI_FWD __BIT(5) /* ARI Forward Supported */
1142#define PCIE_DCAP2_ATOM_ROUT __BIT(6) /* AtomicOp Routing Supported */
1143#define PCIE_DCAP2_32ATOM __BIT(7) /* 32bit AtomicOp Compl. Supp */
1144#define PCIE_DCAP2_64ATOM __BIT(8) /* 64bit AtomicOp Compl. Supp */
1145#define PCIE_DCAP2_128CAS __BIT(9) /* 128bit Cas Completer Supp. */
1146#define PCIE_DCAP2_NO_ROPR_PASS __BIT(10) /* No RO-enabled PR-PR Passng */
1147#define PCIE_DCAP2_LTR_MEC __BIT(11) /* LTR Mechanism Supported */
1148#define PCIE_DCAP2_TPH_COMP __BITS(13, 12) /* TPH Completer Supported */
1149#define PCIE_DCAP2_LNSYSCLS __BITS(15, 14) /* LN System CLS */
1150#define PCIE_DCAP2_TBT_COMP __BIT(16) /* 10-bit Tag Completer Supp. */
1151#define PCIE_DCAP2_TBT_REQ __BIT(17) /* 10-bit Tag Requester Supp. */
1152#define PCIE_DCAP2_OBFF __BITS(19, 18) /* Optimized Buffer Flush/Fill*/
1153#define PCIE_DCAP2_EXTFMT_FLD __BIT(20) /* Extended Fmt Field Support */
1154#define PCIE_DCAP2_EETLP_PREF __BIT(21) /* End-End TLP Prefix Support */
1155#define PCIE_DCAP2_MAX_EETLP __BITS(23, 22) /* Max End-End TLP Prefix Sup */
1156#define PCIE_DCAP2_EMGPWRRED __BITS(25, 24) /* Emergency Power Reduc. Sup */
1157#define PCIE_DCAP2_EMGPWRRED_INI __BIT(26) /* Emrg. Pwr. Reduc. Ini. Req */
1158#define PCIE_DCAP2_FRS __BIT(31) /* FRS Supported */
1159#define PCIE_DCSR2 0x28 /* Device Control & Status 2 Register */
1160#define PCIE_DCSR2_COMPT_VAL __BITS(3, 0) /* Completion Timeout Value */
1161#define PCIE_DCSR2_COMPT_DIS __BIT(4) /* Completion Timeout Disable */
1162#define PCIE_DCSR2_ARI_FWD __BIT(5) /* ARI Forwarding Enable */
1163#define PCIE_DCSR2_ATOM_REQ __BIT(6) /* AtomicOp Requester Enable */
1164#define PCIE_DCSR2_ATOM_EBLK __BIT(7) /* AtomicOp Egress Blocking */
1165#define PCIE_DCSR2_IDO_REQ __BIT(8) /* IDO Request Enable */
1166#define PCIE_DCSR2_IDO_COMP __BIT(9) /* IDO Completion Enable */
1167#define PCIE_DCSR2_LTR_MEC __BIT(10) /* LTR Mechanism Enable */
1168#define PCIE_DCSR2_EMGPWRRED_REQ __BIT(11) /* Emergency Power Reduc. Req */
1169#define PCIE_DCSR2_TBT_REQ __BIT(12) /* 10-bit Tag Requester Ena. */
1170#define PCIE_DCSR2_OBFF_EN __BITS(14, 13) /* OBFF Enable */
1171#define PCIE_DCSR2_EETLP __BIT(15) /* End-End TLP Prefix Blcking */
1172#define PCIE_LCAP2 0x2c /* Link Capabilities 2 Register */
1173#define PCIE_LCAP2_SUP_LNKSV __BITS(7, 1) /* Supported Link Speeds Vect */
1174#define PCIE_LCAP2_SUP_LNKS2 __BIT(1) /* Supported Speed 2.5GT/ */
1175#define PCIE_LCAP2_SUP_LNKS5 __BIT(2) /* Supported Speed 5GT/ */
1176#define PCIE_LCAP2_SUP_LNKS8 __BIT(3) /* Supported Speed 8GT/ */
1177#define PCIE_LCAP2_SUP_LNKS16 __BIT(4) /* Supported Speed 16GT/ */
1178#define PCIE_LCAP2_SUP_LNKS32 __BIT(5) /* Supported Speed 32GT/ */
1179#define PCIE_LCAP2_SUP_LNKS64 __BIT(6) /* Supported Speed 64GT/ */
1180#define PCIE_LCAP2_CROSSLNK __BIT(8) /* Crosslink Supported */
1181#define PCIE_LCAP2_LOWSKPOS_GENSUPPSV __BITS(15, 9)
1182 /* Lower SKP OS Generation Supp. Spd. Vect */
1183#define PCIE_LCAP2_LOWSKPOS_RECSUPPSV __BITS(22, 16)
1184 /* Lower SKP OS Reception Supp. Spd. Vect */
1185#define PCIE_LCAP2_RETIMERPD __BIT(23) /* Retimer Presence Detect */
1186#define PCIE_LCAP2_DRS __BIT(31) /* DRS Supported */
1187#define PCIE_LCSR2 0x30 /* Link Control & Status 2 Register */
1188#define PCIE_LCSR2_TGT_LSPEED __BITS(3, 0) /* Target Link Speed */
1189#define PCIE_LCSR2_TGT_LSPEED_2_5G 0x1 /* 2.5GT/s supported */
1190#define PCIE_LCSR2_TGT_LSPEED_5G 0x2 /* 5.0GT/s supported */
1191#define PCIE_LCSR2_TGT_LSPEED_8G 0x3 /* 8.0GT/s supported */
1192#define PCIE_LCSR2_ENT_COMPL __BIT(4) /* Enter Compliance */
1193#define PCIE_LCSR2_HW_AS_DIS __BIT(5) /* HW Autonomous Speed Disabl */
1194#define PCIE_LCSR2_SEL_DEEMP __BIT(6) /* Selectable De-emphasis */
1195#define PCIE_LCSR2_TX_MARGIN __BITS(9, 7) /* Transmit Margin */
1196#define PCIE_LCSR2_EN_MCOMP __BIT(10) /* Enter Modified Compliance */
1197#define PCIE_LCSR2_COMP_SOS __BIT(11) /* Compliance SOS */
1198#define PCIE_LCSR2_COMP_DEEMP __BITS(15, 12) /* Compliance Preset/De-emph */
1199#define PCIE_LCSR2_DEEMP_LVL __BIT(0 + 16) /* Current De-emphasis Level */
1200#define PCIE_LCSR2_EQ_COMPL __BIT(1 + 16) /* Equalization Complete */
1201#define PCIE_LCSR2_EQP1_SUC __BIT(2 + 16) /* Equaliz Phase 1 Successful */
1202#define PCIE_LCSR2_EQP2_SUC __BIT(3 + 16) /* Equaliz Phase 2 Successful */
1203#define PCIE_LCSR2_EQP3_SUC __BIT(4 + 16) /* Equaliz Phase 3 Successful */
1204#define PCIE_LCSR2_LNKEQ_REQ __BIT(5 + 16) /* Link Equalization Request */
1205#define PCIE_LCSR2_RETIMERPD __BIT(6 + 16) /* Retimer Presence Detected */
1206#define PCIE_LCSR2_DSCOMPN __BITS(30, 28) /* Downstream Component Pres. */
1207#define PCIE_DSCOMPN_DOWN_NOTDETERM 0x00 /* LD: Presence Not Determin.*/
1208#define PCIE_DSCOMPN_DOWN_NOTPRES 0x01 /* LD: Component Not Present */
1209#define PCIE_DSCOMPN_DOWN_PRES 0x02 /* LD: Component Present */
1210 /* 0x03 is reserved */
1211#define PCIE_DSCOMPN_UP_PRES 0x04 /* LU: Component Present */
1212#define PCIE_DSCOMPN_UP_PRES_DRS 0x05 /* LU: Comp Pres and DRS RCV */
1213#define PCIE_LCSR2_DRSRCV __BIT(15 + 16) /* DRS Message Received */
1214
1215#define PCIE_SLCAP2 0x34 /* Slot Capabilities 2 Register */
1216#define PCIE_SLCSR2 0x38 /* Slot Control & Status 2 Register */
1217
1218/*
1219 * Other than Root Complex Integrated Endpoint and Root Complex Event Collector
1220 * have link related registers.
1221 */
1222#define PCIE_HAS_LINKREGS(type) (((type) != PCIE_XCAP_TYPE_RCIEP) && \
1223 ((type) != PCIE_XCAP_TYPE_RC_EVNTC))
1224
1225/* Only root port and root complex event collector have PCIE_RCR & PCIE_RSR */
1226#define PCIE_HAS_ROOTREGS(type) (((type) == PCIE_XCAP_TYPE_RP) || \
1227 ((type) == PCIE_XCAP_TYPE_RC_EVNTC))
1228
1229
1230/*
1231 * Capability ID: 0x11
1232 * MSIX
1233 */
1234
1235#define PCI_MSIX_CTL 0x00
1236#define PCI_MSIX_CTL_ENABLE 0x80000000
1237#define PCI_MSIX_CTL_FUNCMASK 0x40000000
1238#define PCI_MSIX_CTL_TBLSIZE_MASK 0x07ff0000
1239#define PCI_MSIX_CTL_TBLSIZE_SHIFT 16
1240#define PCI_MSIX_CTL_TBLSIZE(ofs) ((((ofs) & PCI_MSIX_CTL_TBLSIZE_MASK) \
1241 >> PCI_MSIX_CTL_TBLSIZE_SHIFT) + 1)
1242/*
1243 * 2nd DWORD is the Table Offset
1244 */
1245#define PCI_MSIX_TBLOFFSET 0x04
1246#define PCI_MSIX_TBLOFFSET_MASK __BITS(31, 3)
1247#define PCI_MSIX_TBLBIR_MASK __BITS(2, 0)
1248/*
1249 * 3rd DWORD is the Pending Bitmap Array Offset
1250 */
1251#define PCI_MSIX_PBAOFFSET 0x08
1252#define PCI_MSIX_PBAOFFSET_MASK __BITS(31, 3)
1253#define PCI_MSIX_PBABIR_MASK __BITS(2, 0)
1254
1255#define PCI_MSIX_TABLE_ENTRY_SIZE 16
1256#define PCI_MSIX_TABLE_ENTRY_ADDR_LO 0x0
1257#define PCI_MSIX_TABLE_ENTRY_ADDR_HI 0x4
1258#define PCI_MSIX_TABLE_ENTRY_DATA 0x8
1259#define PCI_MSIX_TABLE_ENTRY_VECTCTL 0xc
1260struct pci_msix_table_entry {
1261 uint32_t pci_msix_addr_lo;
1262 uint32_t pci_msix_addr_hi;
1263 uint32_t pci_msix_value;
1264 uint32_t pci_msix_vector_control;
1265};
1266#define PCI_MSIX_VECTCTL_MASK __BIT(0)
1267#define PCI_MSIX_VECTCTL_STLO __BITS(23, 16) /* ST lower */
1268#define PCI_MSIX_VECTCTL_STUP __BITS(31, 24) /* ST upper */
1269
1270 /* Max number of MSI-X vectors. See PCI-SIG specification. */
1271#define PCI_MSIX_MAX_VECTORS 2048
1272
1273/*
1274 * Capability ID: 0x12
1275 * SATA
1276 */
1277#define PCI_SATA_REV 0x00 /* Revision Register */
1278#define PCI_SATA_REV_MINOR __BITS(19, 16) /* Minor Revision */
1279#define PCI_SATA_REV_MAJOR __BITS(23, 20) /* Major Revision */
1280#define PCI_SATA_BAR 0x04 /* BAR Register */
1281#define PCI_SATA_BAR_SPEC __BITS(3, 0) /* BAR Specifier */
1282#define PCI_SATA_BAR_INCONF __BITS(3, 0) /* All 1 = in config space */
1283#define PCI_SATA_BAR_NUM(x) (__SHIFTOUT((x), PCI_SATA_BAR_SPEC) - 4)
1284#define PCI_SATA_BAR_OFFSET __BITS(23, 4) /* BAR Offset */
1285
1286/*
1287 * Capability ID: 0x13
1288 * Advanced Feature
1289 */
1290#define PCI_AFCAPR 0x00 /* Capabilities */
1291#define PCI_AFCAPR_MASK __BITS(31, 24)
1292#define PCI_AF_LENGTH __BITS(23, 16) /* Structure Length */
1293#define PCI_AF_TP_CAP __BIT(24) /* Transaction Pending */
1294#define PCI_AF_FLR_CAP __BIT(25) /* Function Level Reset */
1295#define PCI_AFCSR 0x04 /* Control & Status register */
1296#define PCI_AFCR_INITIATE_FLR __BIT(0) /* Initiate Function LVL RST */
1297#define PCI_AFSR_TP __BIT(8) /* Transaction Pending */
1298
1299
1300/*
1301 * Interrupt Configuration Register; contains interrupt pin and line.
1302 */
1303#define PCI_INTERRUPT_REG 0x3c
1304
1305typedef u_int8_t pci_intr_latency_t;
1306typedef u_int8_t pci_intr_grant_t;
1307typedef u_int8_t pci_intr_pin_t;
1308typedef u_int8_t pci_intr_line_t;
1309
1310#define PCI_MAX_LAT_SHIFT 24
1311#define PCI_MAX_LAT_MASK 0xff
1312#define PCI_MAX_LAT(icr) \
1313 (((icr) >> PCI_MAX_LAT_SHIFT) & PCI_MAX_LAT_MASK)
1314
1315#define PCI_MIN_GNT_SHIFT 16
1316#define PCI_MIN_GNT_MASK 0xff
1317#define PCI_MIN_GNT(icr) \
1318 (((icr) >> PCI_MIN_GNT_SHIFT) & PCI_MIN_GNT_MASK)
1319
1320#define PCI_INTERRUPT_GRANT_SHIFT 24
1321#define PCI_INTERRUPT_GRANT_MASK 0xff
1322#define PCI_INTERRUPT_GRANT(icr) \
1323 (((icr) >> PCI_INTERRUPT_GRANT_SHIFT) & PCI_INTERRUPT_GRANT_MASK)
1324
1325#define PCI_INTERRUPT_LATENCY_SHIFT 16
1326#define PCI_INTERRUPT_LATENCY_MASK 0xff
1327#define PCI_INTERRUPT_LATENCY(icr) \
1328 (((icr) >> PCI_INTERRUPT_LATENCY_SHIFT) & PCI_INTERRUPT_LATENCY_MASK)
1329
1330#define PCI_INTERRUPT_PIN_SHIFT 8
1331#define PCI_INTERRUPT_PIN_MASK 0xff
1332#define PCI_INTERRUPT_PIN(icr) \
1333 (((icr) >> PCI_INTERRUPT_PIN_SHIFT) & PCI_INTERRUPT_PIN_MASK)
1334
1335#define PCI_INTERRUPT_LINE_SHIFT 0
1336#define PCI_INTERRUPT_LINE_MASK 0xff
1337#define PCI_INTERRUPT_LINE(icr) \
1338 (((icr) >> PCI_INTERRUPT_LINE_SHIFT) & PCI_INTERRUPT_LINE_MASK)
1339
1340#define PCI_INTERRUPT_CODE(lat,gnt,pin,line) \
1341 ((((lat)&PCI_INTERRUPT_LATENCY_MASK)<<PCI_INTERRUPT_LATENCY_SHIFT)| \
1342 (((gnt)&PCI_INTERRUPT_GRANT_MASK) <<PCI_INTERRUPT_GRANT_SHIFT) | \
1343 (((pin)&PCI_INTERRUPT_PIN_MASK) <<PCI_INTERRUPT_PIN_SHIFT) | \
1344 (((line)&PCI_INTERRUPT_LINE_MASK) <<PCI_INTERRUPT_LINE_SHIFT))
1345
1346#define PCI_INTERRUPT_PIN_NONE 0x00
1347#define PCI_INTERRUPT_PIN_A 0x01
1348#define PCI_INTERRUPT_PIN_B 0x02
1349#define PCI_INTERRUPT_PIN_C 0x03
1350#define PCI_INTERRUPT_PIN_D 0x04
1351#define PCI_INTERRUPT_PIN_MAX 0x04
1352
1353/* Header Type 1 (Bridge) configuration registers */
1354#define PCI_BRIDGE_BUS_REG 0x18
1355#define PCI_BRIDGE_BUS_PRIMARY __BITS(0, 7)
1356#define PCI_BRIDGE_BUS_SECONDARY __BITS(8, 15)
1357#define PCI_BRIDGE_BUS_SUBORDINATE __BITS(16, 23)
1358#define PCI_BRIDGE_BUS_SEC_LATTIMER __BITS(24, 31)
1359#define PCI_BRIDGE_BUS_NUM_PRIMARY(reg) \
1360 ((uint32_t)__SHIFTOUT((reg), PCI_BRIDGE_BUS_PRIMARY))
1361#define PCI_BRIDGE_BUS_NUM_SECONDARY(reg) \
1362 ((uint32_t)__SHIFTOUT((reg), PCI_BRIDGE_BUS_SECONDARY))
1363#define PCI_BRIDGE_BUS_NUM_SUBORDINATE(reg) \
1364 ((uint32_t)__SHIFTOUT((reg), PCI_BRIDGE_BUS_SUBORDINATE))
1365#define PCI_BRIDGE_BUS_SEC_LATTIMER_VAL(reg) \
1366 ((uint32_t)__SHIFTOUT((reg), PCI_BRIDGE_BUS_SEC_LATTIMER))
1367
1368/* Minimum size of the window */
1369#define PCI_BRIDGE_IO_MIN 0x00001000UL
1370#define PCI_BRIDGE_MEM_MIN 0x00100000UL
1371
1372#define PCI_BRIDGE_STATIO_REG 0x1c
1373#define PCI_BRIDGE_STATIO_IOBASE __BITS(0, 7)
1374#define PCI_BRIDGE_STATIO_IOLIMIT __BITS(8, 15)
1375#define PCI_BRIDGE_STATIO_STATUS __BITS(16, 31)
1376#define PCI_BRIDGE_STATIO_IOADDR 0xf0
1377#define PCI_BRIDGE_STATIO_IOADDR_TYPE 0x0f /* Read only */
1378#define PCI_BRIDGE_STATIO_IOADDR_32 0x01
1379#define PCI_BRIDGE_STATIO_IOBASE_ADDR(reg) \
1380 ((__SHIFTOUT((reg), PCI_BRIDGE_STATIO_IOBASE) \
1381 & PCI_BRIDGE_STATIO_IOADDR) << 8)
1382#define PCI_BRIDGE_STATIO_IOLIMIT_ADDR(reg) \
1383 (((__SHIFTOUT((reg), PCI_BRIDGE_STATIO_IOLIMIT) \
1384 & PCI_BRIDGE_STATIO_IOADDR) << 8) | (PCI_BRIDGE_IO_MIN - 1))
1385#define PCI_BRIDGE_IO_32BITS(reg) \
1386 (((reg) & PCI_BRIDGE_STATIO_IOADDR_TYPE) == PCI_BRIDGE_STATIO_IOADDR_32)
1387
1388#define PCI_BRIDGE_MEMORY_REG 0x20
1389#define PCI_BRIDGE_MEMORY_BASE __BITS(0, 15)
1390#define PCI_BRIDGE_MEMORY_LIMIT __BITS(16, 31)
1391#define PCI_BRIDGE_MEMORY_ADDR 0xfff0
1392#define PCI_BRIDGE_MEMORY_BASE_ADDR(reg) \
1393 ((__SHIFTOUT((reg), PCI_BRIDGE_MEMORY_BASE) \
1394 & PCI_BRIDGE_MEMORY_ADDR) << 16)
1395#define PCI_BRIDGE_MEMORY_LIMIT_ADDR(reg) \
1396 (((__SHIFTOUT((reg), PCI_BRIDGE_MEMORY_LIMIT) \
1397 & PCI_BRIDGE_MEMORY_ADDR) << 16) | 0x000fffff)
1398
1399#define PCI_BRIDGE_PREFETCHMEM_REG 0x24
1400#define PCI_BRIDGE_PREFETCHMEM_BASE __BITS(0, 15)
1401#define PCI_BRIDGE_PREFETCHMEM_LIMIT __BITS(16, 31)
1402#define PCI_BRIDGE_PREFETCHMEM_ADDR 0xfff0
1403#define PCI_BRIDGE_PREFETCHMEM_BASE_ADDR(reg) \
1404 ((__SHIFTOUT((reg), PCI_BRIDGE_PREFETCHMEM_BASE) \
1405 & PCI_BRIDGE_PREFETCHMEM_ADDR) << 16)
1406#define PCI_BRIDGE_PREFETCHMEM_LIMIT_ADDR(reg) \
1407 (((__SHIFTOUT((reg), PCI_BRIDGE_PREFETCHMEM_LIMIT) \
1408 & PCI_BRIDGE_PREFETCHMEM_ADDR) << 16) | 0x000fffff)
1409#define PCI_BRIDGE_PREFETCHMEM_64BITS(reg) ((reg) & 0xf)
1410
1411#define PCI_BRIDGE_PREFETCHBASEUP32_REG 0x28
1412#define PCI_BRIDGE_PREFETCHLIMITUP32_REG 0x2c
1413
1414#define PCI_BRIDGE_IOHIGH_REG 0x30
1415#define PCI_BRIDGE_IOHIGH_BASE __BITS(0, 15)
1416#define PCI_BRIDGE_IOHIGH_LIMIT __BITS(16, 31)
1417
1418#define PCI_BRIDGE_EXPROMADDR_REG 0x38
1419
1420#define PCI_BRIDGE_CONTROL_REG 0x3c /* Upper 16 bit */
1421#define PCI_BRIDGE_CONTROL __BITS(16, 31)
1422#define PCI_BRIDGE_CONTROL_PERE __BIT(16)
1423#define PCI_BRIDGE_CONTROL_SERR __BIT(17)
1424#define PCI_BRIDGE_CONTROL_ISA __BIT(18)
1425#define PCI_BRIDGE_CONTROL_VGA __BIT(19)
1426#define PCI_BRIDGE_CONTROL_VGA16 __BIT(20)
1427#define PCI_BRIDGE_CONTROL_MABRT __BIT(21)
1428#define PCI_BRIDGE_CONTROL_SECBR __BIT(22)
1429#define PCI_BRIDGE_CONTROL_SECFASTB2B __BIT(23)
1430#define PCI_BRIDGE_CONTROL_PRI_DISC_TIMER __BIT(24)
1431#define PCI_BRIDGE_CONTROL_SEC_DISC_TIMER __BIT(25)
1432#define PCI_BRIDGE_CONTROL_DISC_TIMER_STAT __BIT(26)
1433#define PCI_BRIDGE_CONTROL_DISC_TIMER_SERR __BIT(27)
1434/* Reserved (1 << 12) - (1 << 15) */
1435
1436/*
1437 * Vital Product Data resource tags.
1438 */
1439struct pci_vpd_smallres {
1440 uint8_t vpdres_byte0; /* length of data + tag */
1441 /* Actual data. */
1442} __packed;
1443
1444struct pci_vpd_largeres {
1445 uint8_t vpdres_byte0;
1446 uint8_t vpdres_len_lsb; /* length of data only */
1447 uint8_t vpdres_len_msb;
1448 /* Actual data. */
1449} __packed;
1450
1451#define PCI_VPDRES_ISLARGE(x) ((x) & 0x80)
1452
1453#define PCI_VPDRES_SMALL_LENGTH(x) ((x) & 0x7)
1454#define PCI_VPDRES_SMALL_NAME(x) (((x) >> 3) & 0xf)
1455
1456#define PCI_VPDRES_LARGE_NAME(x) ((x) & 0x7f)
1457
1458#define PCI_VPDRES_TYPE_COMPATIBLE_DEVICE_ID 0x3 /* small */
1459#define PCI_VPDRES_TYPE_VENDOR_DEFINED 0xe /* small */
1460#define PCI_VPDRES_TYPE_END_TAG 0xf /* small */
1461
1462#define PCI_VPDRES_TYPE_IDENTIFIER_STRING 0x02 /* large */
1463#define PCI_VPDRES_TYPE_VPD 0x10 /* large */
1464
1465struct pci_vpd {
1466 uint8_t vpd_key0;
1467 uint8_t vpd_key1;
1468 uint8_t vpd_len; /* length of data only */
1469 /* Actual data. */
1470} __packed;
1471
1472/*
1473 * Recommended VPD fields:
1474 *
1475 * PN Part number of assembly
1476 * FN FRU part number
1477 * EC EC level of assembly
1478 * MN Manufacture ID
1479 * SN Serial Number
1480 *
1481 * Conditionally recommended VPD fields:
1482 *
1483 * LI Load ID
1484 * RL ROM Level
1485 * RM Alterable ROM Level
1486 * NA Network Address
1487 * DD Device Driver Level
1488 * DG Diagnostic Level
1489 * LL Loadable Microcode Level
1490 * VI Vendor ID/Device ID
1491 * FU Function Number
1492 * SI Subsystem Vendor ID/Subsystem ID
1493 *
1494 * Additional VPD fields:
1495 *
1496 * Z0-ZZ User/Product Specific
1497 */
1498
1499/*
1500 * PCI Expansion Rom
1501 */
1502
1503struct pci_rom_header {
1504 uint16_t romh_magic; /* 0xAA55 little endian */
1505 uint8_t romh_reserved[22];
1506 uint16_t romh_data_ptr; /* pointer to pci_rom struct */
1507} __packed;
1508
1509#define PCI_ROM_HEADER_MAGIC 0xAA55 /* little endian */
1510
1511struct pci_rom {
1512 uint32_t rom_signature;
1513 pci_vendor_id_t rom_vendor;
1514 pci_product_id_t rom_product;
1515 uint16_t rom_vpd_ptr; /* reserved in PCI 2.2 */
1516 uint16_t rom_data_len;
1517 uint8_t rom_data_rev;
1518 pci_interface_t rom_interface; /* the class reg is 24-bits */
1519 pci_subclass_t rom_subclass; /* in little endian */
1520 pci_class_t rom_class;
1521 uint16_t rom_len; /* code length / 512 byte */
1522 uint16_t rom_rev; /* code revision level */
1523 uint8_t rom_code_type; /* type of code */
1524 uint8_t rom_indicator;
1525 uint16_t rom_reserved;
1526 /* Actual data. */
1527} __packed;
1528
1529#define PCI_ROM_SIGNATURE 0x52494350 /* "PCIR", endian reversed */
1530#define PCI_ROM_CODE_TYPE_X86 0 /* Intel x86 BIOS */
1531#define PCI_ROM_CODE_TYPE_OFW 1 /* Open Firmware */
1532#define PCI_ROM_CODE_TYPE_HPPA 2 /* HP PA/RISC */
1533#define PCI_ROM_CODE_TYPE_EFI 3 /* EFI Image */
1534
1535#define PCI_ROM_INDICATOR_LAST 0x80
1536
1537/*
1538 * Threshold below which 32bit PCI DMA needs bouncing.
1539 */
1540#define PCI32_DMA_BOUNCE_THRESHOLD 0x100000000ULL
1541
1542/*
1543 * PCI-X 2.0/ PCI-express Extended Capability List
1544 */
1545
1546#define PCI_EXTCAPLIST_BASE 0x100
1547
1548#define PCI_EXTCAPLIST_CAP(ecr) ((ecr) & 0xffff)
1549#define PCI_EXTCAPLIST_VERSION(ecr) (((ecr) >> 16) & 0xf)
1550#define PCI_EXTCAPLIST_NEXT(ecr) (((ecr) >> 20) & 0xfff)
1551
1552/* Extended Capability Identification Numbers */
1553
1554#define PCI_EXTCAP_AER 0x0001 /* Advanced Error Reporting */
1555#define PCI_EXTCAP_VC 0x0002 /* Virtual Channel if MFVC Ext Cap not set */
1556#define PCI_EXTCAP_SERNUM 0x0003 /* Device Serial Number */
1557#define PCI_EXTCAP_PWRBDGT 0x0004 /* Power Budgeting */
1558#define PCI_EXTCAP_RCLINK_DCL 0x0005 /* Root Complex Link Declaration */
1559#define PCI_EXTCAP_RCLINK_CTL 0x0006 /* Root Complex Internal Link Control */
1560#define PCI_EXTCAP_RCEC_ASSOC 0x0007 /* Root Complex Event Collector Association */
1561#define PCI_EXTCAP_MFVC 0x0008 /* Multi-Function Virtual Channel */
1562#define PCI_EXTCAP_VC2 0x0009 /* Virtual Channel if MFVC Ext Cap set */
1563#define PCI_EXTCAP_RCRB 0x000a /* RCRB Header */
1564#define PCI_EXTCAP_VENDOR 0x000b /* Vendor Unique */
1565#define PCI_EXTCAP_CAC 0x000c /* Configuration Access Correction -- obsolete */
1566#define PCI_EXTCAP_ACS 0x000d /* Access Control Services */
1567#define PCI_EXTCAP_ARI 0x000e /* Alternative Routing-ID Interpretation */
1568#define PCI_EXTCAP_ATS 0x000f /* Address Translation Services */
1569#define PCI_EXTCAP_SRIOV 0x0010 /* Single Root IO Virtualization */
1570#define PCI_EXTCAP_MRIOV 0x0011 /* Multiple Root IO Virtualization */
1571#define PCI_EXTCAP_MCAST 0x0012 /* Multicast */
1572#define PCI_EXTCAP_PAGE_REQ 0x0013 /* Page Request */
1573#define PCI_EXTCAP_AMD 0x0014 /* Reserved for AMD */
1574#define PCI_EXTCAP_RESIZBAR 0x0015 /* Resizable BAR */
1575#define PCI_EXTCAP_DPA 0x0016 /* Dynamic Power Allocation */
1576#define PCI_EXTCAP_TPH_REQ 0x0017 /* TPH Requester */
1577#define PCI_EXTCAP_LTR 0x0018 /* Latency Tolerance Reporting */
1578#define PCI_EXTCAP_SEC_PCIE 0x0019 /* Secondary PCI Express */
1579#define PCI_EXTCAP_PMUX 0x001a /* Protocol Multiplexing */
1580#define PCI_EXTCAP_PASID 0x001b /* Process Address Space ID */
1581#define PCI_EXTCAP_LNR 0x001c /* LN Requester */
1582#define PCI_EXTCAP_DPC 0x001d /* Downstream Port Containment */
1583#define PCI_EXTCAP_L1PM 0x001e /* L1 PM Substates */
1584#define PCI_EXTCAP_PTM 0x001f /* Precision Time Management */
1585#define PCI_EXTCAP_MPCIE 0x0020 /* M-PCIe */
1586#define PCI_EXTCAP_FRSQ 0x0021 /* Function Reading Status Queueing */
1587#define PCI_EXTCAP_RTR 0x0022 /* Readiness Time Reporting */
1588#define PCI_EXTCAP_DESIGVNDSP 0x0023 /* Designated Vendor-Specific */
1589#define PCI_EXTCAP_VF_RESIZBAR 0x0024 /* VF Resizable BAR */
1590#define PCI_EXTCAP_DLF 0x0025 /* Data link Feature */
1591#define PCI_EXTCAP_PL16G 0x0026 /* Physical Layer 16.0 GT/s */
1592#define PCI_EXTCAP_LMR 0x0027 /* Lane Margining at the Receiver */
1593#define PCI_EXTCAP_HIERARCHYID 0x0028 /* Hierarchy ID */
1594#define PCI_EXTCAP_NPEM 0x0029 /* Native PCIe Enclosure Management */
1595#define PCI_EXTCAP_PL32G 0x002a /* Physical Layer 32.0 GT/s */
1596#define PCI_EXTCAP_AP 0x002b /* Alternate Protocol */
1597#define PCI_EXTCAP_SFI 0x002c /* System Firmware Intermediary */
1598
1599/*
1600 * Extended capability ID: 0x0001
1601 * Advanced Error Reporting
1602 */
1603#define PCI_AER_UC_STATUS 0x04 /* Uncorrectable Error Status Reg. */
1604#define PCI_AER_UC_UNDEFINED __BIT(0)
1605#define PCI_AER_UC_DL_PROTOCOL_ERROR __BIT(4)
1606#define PCI_AER_UC_SURPRISE_DOWN_ERROR __BIT(5)
1607#define PCI_AER_UC_POISONED_TLP __BIT(12)
1608#define PCI_AER_UC_FC_PROTOCOL_ERROR __BIT(13)
1609#define PCI_AER_UC_COMPLETION_TIMEOUT __BIT(14)
1610#define PCI_AER_UC_COMPLETER_ABORT __BIT(15)
1611#define PCI_AER_UC_UNEXPECTED_COMPLETION __BIT(16)
1612#define PCI_AER_UC_RECEIVER_OVERFLOW __BIT(17)
1613#define PCI_AER_UC_MALFORMED_TLP __BIT(18)
1614#define PCI_AER_UC_ECRC_ERROR __BIT(19)
1615#define PCI_AER_UC_UNSUPPORTED_REQUEST_ERROR __BIT(20)
1616#define PCI_AER_UC_ACS_VIOLATION __BIT(21)
1617#define PCI_AER_UC_INTERNAL_ERROR __BIT(22)
1618#define PCI_AER_UC_MC_BLOCKED_TLP __BIT(23)
1619#define PCI_AER_UC_ATOMIC_OP_EGRESS_BLOCKED __BIT(24)
1620#define PCI_AER_UC_TLP_PREFIX_BLOCKED_ERROR __BIT(25)
1621#define PCI_AER_UC_POISONTLP_EGRESS_BLOCKED __BIT(26)
1622#define PCI_AER_UC_MASK 0x08 /* Uncorrectable Error Mask Register */
1623 /* Shares bits with UC_STATUS */
1624#define PCI_AER_UC_SEVERITY 0x0c /* Uncorrectable Error Severity Reg. */
1625 /* Shares bits with UC_STATUS */
1626#define PCI_AER_COR_STATUS 0x10 /* Correctable Error Status Register */
1627#define PCI_AER_COR_RECEIVER_ERROR __BIT(0)
1628#define PCI_AER_COR_BAD_TLP __BIT(6)
1629#define PCI_AER_COR_BAD_DLLP __BIT(7)
1630#define PCI_AER_COR_REPLAY_NUM_ROLLOVER __BIT(8)
1631#define PCI_AER_COR_REPLAY_TIMER_TIMEOUT __BIT(12)
1632#define PCI_AER_COR_ADVISORY_NF_ERROR __BIT(13)
1633#define PCI_AER_COR_INTERNAL_ERROR __BIT(14)
1634#define PCI_AER_COR_HEADER_LOG_OVERFLOW __BIT(15)
1635#define PCI_AER_COR_MASK 0x14 /* Correctable Error Mask Register */
1636 /* Shares bits with COR_STATUS */
1637#define PCI_AER_CAP_CONTROL 0x18 /* AE Capabilities and Control Reg. */
1638#define PCI_AER_FIRST_ERROR_PTR __BITS(4, 0)
1639#define PCI_AER_ECRC_GEN_CAPABLE __BIT(5)
1640#define PCI_AER_ECRC_GEN_ENABLE __BIT(6)
1641#define PCI_AER_ECRC_CHECK_CAPABLE __BIT(7)
1642#define PCI_AER_ECRC_CHECK_ENABLE __BIT(8)
1643#define PCI_AER_MULT_HDR_CAPABLE __BIT(9)
1644#define PCI_AER_MULT_HDR_ENABLE __BIT(10)
1645#define PCI_AER_TLP_PREFIX_LOG_PRESENT __BIT(11)
1646#define PCI_AER_COMPTOUTPRFXHDRLOG_CAP __BIT(12)
1647#define PCI_AER_HEADER_LOG 0x1c /* Header Log Register */
1648#define PCI_AER_ROOTERR_CMD 0x2c /* Root Error Command Register */
1649 /* Only for root complex ports */
1650#define PCI_AER_ROOTERR_COR_ENABLE __BIT(0)
1651#define PCI_AER_ROOTERR_NF_ENABLE __BIT(1)
1652#define PCI_AER_ROOTERR_F_ENABLE __BIT(2)
1653#define PCI_AER_ROOTERR_STATUS 0x30 /* Root Error Status Register */
1654 /* Only for root complex ports */
1655#define PCI_AER_ROOTERR_COR_ERR __BIT(0)
1656#define PCI_AER_ROOTERR_MULTI_COR_ERR __BIT(1)
1657#define PCI_AER_ROOTERR_UC_ERR __BIT(2)
1658#define PCI_AER_ROOTERR_MULTI_UC_ERR __BIT(3)
1659#define PCI_AER_ROOTERR_FIRST_UC_FATAL __BIT(4)
1660#define PCI_AER_ROOTERR_NF_ERR __BIT(5)
1661#define PCI_AER_ROOTERR_F_ERR __BIT(6)
1662#define PCI_AER_ROOTERR_INT_MESSAGE __BITS(31, 27)
1663#define PCI_AER_ERRSRC_ID 0x34 /* Error Source Identification Reg. */
1664#define PCI_AER_ERRSRC_ID_ERR_COR __BITS(15, 0)
1665#define PCI_AER_ERRSRC_ID_ERR_UC __BITS(31, 16)
1666 /* Only for root complex ports */
1667#define PCI_AER_TLP_PREFIX_LOG 0x38 /*TLP Prefix Log Register */
1668 /* Only for TLP prefix functions */
1669
1670/*
1671 * Extended capability ID: 0x0002, 0x0009
1672 * Virtual Channel
1673 */
1674#define PCI_VC_CAP1 0x04 /* Port VC Capability Register 1 */
1675#define PCI_VC_CAP1_EXT_COUNT __BITS(2, 0)
1676#define PCI_VC_CAP1_LOWPRI_EXT_COUNT __BITS(6, 4)
1677#define PCI_VC_CAP1_REFCLK __BITS(9, 8)
1678#define PCI_VC_CAP1_REFCLK_100NS 0x0
1679#define PCI_VC_CAP1_PORT_ARB_TABLE_SIZE __BITS(11, 10)
1680#define PCI_VC_CAP2 0x08 /* Port VC Capability Register 2 */
1681#define PCI_VC_CAP2_ARB_CAP_HW_FIXED_SCHEME __BIT(0)
1682#define PCI_VC_CAP2_ARB_CAP_WRR_32 __BIT(1)
1683#define PCI_VC_CAP2_ARB_CAP_WRR_64 __BIT(2)
1684#define PCI_VC_CAP2_ARB_CAP_WRR_128 __BIT(3)
1685#define PCI_VC_CAP2_ARB_TABLE_OFFSET __BITS(31, 24)
1686#define PCI_VC_CONTROL 0x0c /* Port VC Control Register (16bit) */
1687#define PCI_VC_CONTROL_LOAD_VC_ARB_TABLE __BIT(0)
1688#define PCI_VC_CONTROL_VC_ARB_SELECT __BITS(3, 1)
1689#define PCI_VC_STATUS 0x0e /* Port VC Status Register (16bit) */
1690#define PCI_VC_STATUS_LOAD_VC_ARB_TABLE __BIT(0)
1691#define PCI_VC_RESOURCE_CAP(n) (0x10 + ((n) * 0x0c)) /* VC Resource Capability Register */
1692#define PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_HW_FIXED_SCHEME __BIT(0)
1693#define PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_WRR_32 __BIT(1)
1694#define PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_WRR_64 __BIT(2)
1695#define PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_WRR_128 __BIT(3)
1696#define PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_TWRR_128 __BIT(4)
1697#define PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_WRR_256 __BIT(5)
1698#define PCI_VC_RESOURCE_CAP_ADV_PKT_SWITCH __BIT(14)
1699#define PCI_VC_RESOURCE_CAP_REJCT_SNOOP_TRANS __BIT(15)
1700#define PCI_VC_RESOURCE_CAP_MAX_TIME_SLOTS __BITS(22, 16)
1701#define PCI_VC_RESOURCE_CAP_PORT_ARB_TABLE_OFFSET __BITS(31, 24)
1702#define PCI_VC_RESOURCE_CTL(n) (0x14 + ((n) * 0x0c)) /* VC Resource Control Register */
1703#define PCI_VC_RESOURCE_CTL_TCVC_MAP __BITS(7, 0)
1704#define PCI_VC_RESOURCE_CTL_LOAD_PORT_ARB_TABLE __BIT(16)
1705#define PCI_VC_RESOURCE_CTL_PORT_ARB_SELECT __BITS(19, 17)
1706#define PCI_VC_RESOURCE_CTL_VC_ID __BITS(26, 24)
1707#define PCI_VC_RESOURCE_CTL_VC_ENABLE __BIT(31)
1708#define PCI_VC_RESOURCE_STA(n) (0x18 + ((n) * 0x0c)) /* VC Resource Status Register */
1709#define PCI_VC_RESOURCE_STA_PORT_ARB_TABLE __BIT(0)
1710#define PCI_VC_RESOURCE_STA_VC_NEG_PENDING __BIT(1)
1711
1712/*
1713 * Extended capability ID: 0x0003
1714 * Serial Number
1715 */
1716#define PCI_SERIAL_LOW 0x04
1717#define PCI_SERIAL_HIGH 0x08
1718
1719/*
1720 * Extended capability ID: 0x0004
1721 * Power Budgeting
1722 */
1723#define PCI_PWRBDGT_DSEL 0x04 /* Data Select */
1724#define PCI_PWRBDGT_DATA 0x08 /* Data */
1725#define PCI_PWRBDGT_DATA_BASEPWR __BITS(7, 0) /* Base Power */
1726#define PCI_PWRBDGT_DATA_SCALE __BITS(9, 8) /* Data Scale */
1727#define PCI_PWRBDGT_PM_SUBSTAT __BITS(12, 10) /* PM Sub State */
1728#define PCI_PWRBDGT_PM_STAT __BITS(14, 13) /* PM State */
1729#define PCI_PWRBDGT_TYPE __BITS(17, 15) /* Type */
1730#define PCI_PWRBDGT_PWRRAIL __BITS(20, 18) /* Power Rail */
1731#define PCI_PWRBDGT_CAP 0x0c /* Capability */
1732#define PCI_PWRBDGT_CAP_SYSALLOC __BIT(0) /* System Allocated */
1733
1734/*
1735 * Extended capability ID: 0x0005
1736 * Root Complex Link Declaration
1737 */
1738#define PCI_RCLINK_DCL_ESDESC 0x04 /* Element Self Description */
1739#define PCI_RCLINK_DCL_ESDESC_ELMTYPE __BITS(3, 0) /* Element Type */
1740#define PCI_RCLINK_DCL_ESDESC_NUMLINKENT __BITS(15, 8) /* Num of Link Entries*/
1741#define PCI_RCLINK_DCL_ESDESC_COMPID __BITS(23, 16) /* Component ID */
1742#define PCI_RCLINK_DCL_ESDESC_PORTNUM __BITS(31, 24) /* Port Number */
1743#define PCI_RCLINK_DCL_LINKENTS 0x10 /* Link Entries */
1744#define PCI_RCLINK_DCL_LINKDESC(x) /* Link Description */ \
1745 (PCI_RCLINK_DCL_LINKENTS + ((x) * 16))
1746#define PCI_RCLINK_DCL_LINKDESC_LVALID __BIT(0) /* Link Valid */
1747#define PCI_RCLINK_DCL_LINKDESC_LTYPE __BIT(1) /* Link Type */
1748#define PCI_RCLINK_DCL_LINKDESC_ARCRBH __BIT(2) /* Associate RCRB Header */
1749#define PCI_RCLINK_DCL_LINKDESC_TCOMPID __BITS(23, 16) /* Target Component ID*/
1750#define PCI_RCLINK_DCL_LINKDESC_TPNUM __BITS(31, 24) /* Target Port Number */
1751#define PCI_RCLINK_DCL_LINKADDR_LT0_LO(x) /* LT0: Link Address Low */ \
1752 (PCI_RCLINK_DCL_LINKENTS + ((x) * 16) + 0x08)
1753#define PCI_RCLINK_DCL_LINKADDR_LT0_HI(x) /* LT0: Link Address High */ \
1754 (PCI_RCLINK_DCL_LINKENTS + ((x) * 16) + 0x0c)
1755#define PCI_RCLINK_DCL_LINKADDR_LT1_LO(x) /* LT1: Config Space (low) */ \
1756 (PCI_RCLINK_DCL_LINKENTS + ((x) * 16) + 0x08)
1757#define PCI_RCLINK_DCL_LINKADDR_LT1_N __BITS(2, 0) /* N */
1758#define PCI_RCLINK_DCL_LINKADDR_LT1_FUNC __BITS(14, 12) /* Function Number */
1759#define PCI_RCLINK_DCL_LINKADDR_LT1_DEV __BITS(19, 15) /* Device Number */
1760#define PCI_RCLINK_DCL_LINKADDR_LT1_BUS(N) __BITS(19 + (N), 20) /* Bus Number*/
1761#define PCI_RCLINK_DCL_LINKADDR_LT1_BAL(N) __BITS(31, 20 + (N)) /* BAddr(L) */
1762#define PCI_RCLINK_DCL_LINKADDR_LT1_HI(x) /* LT1: Config Space Base Addr(H) */\
1763 (PCI_RCLINK_DCL_LINKENTS + ((x) * 16) + 0x0c)
1764
1765/*
1766 * Extended capability ID: 0x0006
1767 * Root Complex Internal Link Control
1768 */
1769
1770/*
1771 * Extended capability ID: 0x0007
1772 * Root Complex Event Collector Association
1773 */
1774#define PCI_RCEC_ASSOC_ASSOCBITMAP 0x04 /* Association Bitmap */
1775#define PCI_RCEC_ASSOC_ASSOCBUSNUM 0x08 /* Associcated Bus Number */
1776#define PCI_RCEC_ASSOCBUSNUM_RCECNEXT __BITS(15, 8) /* RCEC Next Bus */
1777#define PCI_RCEC_ASSOCBUSNUM_RCECLAST __BITS(23, 16) /* RCEC Last Bus */
1778
1779/*
1780 * Extended capability ID: 0x0008
1781 * Multi-Function Virtual Channel
1782 */
1783
1784/*
1785 * Extended capability ID: 0x0009
1786 * Virtual Channel if MFVC Ext Cap set
1787 */
1788
1789/*
1790 * Extended capability ID: 0x000a
1791 * RCRB Header
1792 */
1793
1794/*
1795 * Extended capability ID: 0x000b
1796 * Vendor Unique
1797 */
1798
1799/*
1800 * Extended capability ID: 0x000c
1801 * Configuration Access Correction
1802 */
1803
1804/*
1805 * Extended capability ID: 0x000d
1806 * Access Control Services
1807 */
1808#define PCI_ACS_CAP 0x04 /* Capability Register */
1809#define PCI_ACS_CAP_V __BIT(0) /* Source Validation */
1810#define PCI_ACS_CAP_B __BIT(1) /* Transaction Blocking */
1811#define PCI_ACS_CAP_R __BIT(2) /* P2P Request Redirect */
1812#define PCI_ACS_CAP_C __BIT(3) /* P2P Completion Redirect */
1813#define PCI_ACS_CAP_U __BIT(4) /* Upstream Forwarding */
1814#define PCI_ACS_CAP_E __BIT(5) /* Egress Control */
1815#define PCI_ACS_CAP_T __BIT(6) /* Direct Translated P2P */
1816#define PCI_ACS_CAP_ECVSIZE __BITS(15, 8) /* Egress Control Vector Size */
1817#define PCI_ACS_CTL 0x04 /* Control Register */
1818#define PCI_ACS_CTL_V __BIT(0 + 16) /* Source Validation Enable */
1819#define PCI_ACS_CTL_B __BIT(1 + 16) /* Transaction Blocking Enable */
1820#define PCI_ACS_CTL_R __BIT(2 + 16) /* P2P Request Redirect Enable */
1821#define PCI_ACS_CTL_C __BIT(3 + 16) /* P2P Completion Redirect Enable */
1822#define PCI_ACS_CTL_U __BIT(4 + 16) /* Upstream Forwarding Enable */
1823#define PCI_ACS_CTL_E __BIT(5 + 16) /* Egress Control Enable */
1824#define PCI_ACS_CTL_T __BIT(6 + 16) /* Direct Translated P2P Enable */
1825#define PCI_ACS_ECV 0x08 /* Egress Control Vector */
1826
1827/*
1828 * Extended capability ID: 0x000e
1829 * ARI
1830 */
1831#define PCI_ARI_CAP 0x04 /* Capability Register */
1832#define PCI_ARI_CAP_M __BIT(0) /* MFVC Function Groups Cap. */
1833#define PCI_ARI_CAP_A __BIT(1) /* ACS Function Groups Cap. */
1834#define PCI_ARI_CAP_NXTFN __BITS(15, 8) /* Next Function Number */
1835#define PCI_ARI_CTL 0x04 /* Control Register */
1836#define PCI_ARI_CTL_M __BIT(16) /* MFVC Function Groups Ena. */
1837#define PCI_ARI_CTL_A __BIT(17) /* ACS Function Groups Ena. */
1838#define PCI_ARI_CTL_FUNCGRP __BITS(22, 20) /* Function Group */
1839
1840/*
1841 * Extended capability ID: 0x000f
1842 * Address Translation Services
1843 */
1844#define PCI_ATS_CAP 0x04 /* Capability Register */
1845#define PCI_ATS_CAP_INVQDEPTH __BITS(4, 0) /* Invalidate Queue Depth */
1846#define PCI_ATS_CAP_PALIGNREQ __BIT(5) /* Page Aligned Request */
1847#define PCI_ATS_CAP_GLOBALINVL __BIT(6) /* Global Invalidate Support */
1848#define PCI_ATS_CAP_RELAXORD __BIT(7) /* Relaxed Ordering */
1849#define PCI_ATS_CTL 0x04 /* Control Register */
1850#define PCI_ATS_CTL_STU __BITS(20, 16) /* Smallest Translation Unit */
1851#define PCI_ATS_CTL_EN __BIT(31) /* Enable */
1852
1853/*
1854 * Extended capability ID: 0x0010
1855 * SR-IOV
1856 */
1857#define PCI_SRIOV_CAP 0x04 /* SR-IOV Capabilities */
1858#define PCI_SRIOV_CAP_VF_MIGRATION __BIT(0)
1859#define PCI_SRIOV_CAP_ARI_CAP_HIER_PRESERVED __BIT(1)
1860#define PCI_SRIOV_CAP_VF_MIGRATION_INTMSG_N __BITS(31, 21)
1861#define PCI_SRIOV_CTL 0x08 /* SR-IOV Control (16bit) */
1862#define PCI_SRIOV_CTL_VF_ENABLE __BIT(0)
1863#define PCI_SRIOV_CTL_VF_MIGRATION_SUPPORT __BIT(1)
1864#define PCI_SRIOV_CTL_VF_MIGRATION_INT_ENABLE __BIT(2)
1865#define PCI_SRIOV_CTL_VF_MSE __BIT(3)
1866#define PCI_SRIOV_CTL_ARI_CAP_HIER __BIT(4)
1867#define PCI_SRIOV_STA 0x0a /* SR-IOV Status (16bit) */
1868#define PCI_SRIOV_STA_VF_MIGRATION __BIT(0)
1869#define PCI_SRIOV_INITIAL_VFS 0x0c /* InitialVFs (16bit) */
1870#define PCI_SRIOV_TOTAL_VFS 0x0e /* TotalVFs (16bit) */
1871#define PCI_SRIOV_NUM_VFS 0x10 /* NumVFs (16bit) */
1872#define PCI_SRIOV_FUNC_DEP_LINK 0x12 /* Function Dependency Link (16bit) */
1873#define PCI_SRIOV_VF_OFF 0x14 /* First VF Offset (16bit) */
1874#define PCI_SRIOV_VF_STRIDE 0x16 /* VF Stride (16bit) */
1875#define PCI_SRIOV_VF_DID 0x1a /* VF Device ID (16bit) */
1876#define PCI_SRIOV_PAGE_CAP 0x1c /* Supported Page Sizes */
1877#define PCI_SRIOV_PAGE_SIZE 0x20 /* System Page Size */
1878#define PCI_SRIOV_BASE_PAGE_SHIFT 12
1879#define PCI_SRIOV_BARS 0x24 /* VF BAR0-5 */
1880#define PCI_SRIOV_BAR(x) (PCI_SRIOV_BARS + ((x) * 4))
1881#define PCI_SRIOV_VF_MIG_STA_AR 0x3c /* VF Migration State Array Offset */
1882#define PCI_SRIOV_VF_MIG_STA_OFFSET __BITS(31, 3)
1883#define PCI_SRIOV_VF_MIG_STA_BIR __BITS(2, 0)
1884
1885/*
1886 * Extended capability ID: 0x0011
1887 * Multiple Root IO Virtualization
1888 */
1889
1890/*
1891 * Extended capability ID: 0x0012
1892 * Multicast
1893 */
1894#define PCI_MCAST_CAP 0x04 /* Capability Register */
1895#define PCI_MCAST_CAP_MAXGRP __BITS(5, 0) /* Max Group */
1896#define PCI_MCAST_CAP_WINSIZEREQ __BITS(13, 8) /* Window Size Requested */
1897#define PCI_MCAST_CAP_ECRCREGEN __BIT(15) /* ECRC Regen. Supported */
1898#define PCI_MCAST_CTL 0x04 /* Control Register */
1899#define PCI_MCAST_CTL_NUMGRP __BITS(5+16, 16) /* Num Group */
1900#define PCI_MCAST_CTL_ENA __BIT(15+16) /* Enable */
1901#define PCI_MCAST_BARL 0x08 /* Base Address Register (low) */
1902#define PCI_MCAST_BARL_INDPOS __BITS(5, 0) /* Index Position */
1903#define PCI_MCAST_BARL_ADDR __BITS(31, 12) /* Base Address Register(low)*/
1904#define PCI_MCAST_BARH 0x0c /* Base Address Register (high) */
1905#define PCI_MCAST_RECVL 0x10 /* Receive Register (low) */
1906#define PCI_MCAST_RECVH 0x14 /* Receive Register (high) */
1907#define PCI_MCAST_BLOCKALLL 0x18 /* Block All Register (low) */
1908#define PCI_MCAST_BLOCKALLH 0x1c /* Block All Register (high) */
1909#define PCI_MCAST_BLOCKUNTRNSL 0x20 /* Block Untranslated Register (low) */
1910#define PCI_MCAST_BLOCKUNTRNSH 0x24 /* Block Untranslated Register (high) */
1911#define PCI_MCAST_OVERLAYL 0x28 /* Overlay BAR (low) */
1912#define PCI_MCAST_OVERLAYL_SIZE __BITS(5, 0) /* Overlay Size */
1913#define PCI_MCAST_OVERLAYL_ADDR __BITS(31, 6) /* Overlay BAR (low) */
1914#define PCI_MCAST_OVERLAYH 0x2c /* Overlay BAR (high) */
1915
1916/*
1917 * Extended capability ID: 0x0013
1918 * Page Request
1919 */
1920#define PCI_PAGE_REQ_CTL 0x04 /* Control Register */
1921#define PCI_PAGE_REQ_CTL_E __BIT(0) /* Enable */
1922#define PCI_PAGE_REQ_CTL_R __BIT(1) /* Reset */
1923#define PCI_PAGE_REQ_STA 0x04 /* Status Register */
1924#define PCI_PAGE_REQ_STA_RF __BIT(0+16) /* Response Failure */
1925#define PCI_PAGE_REQ_STA_UPRGI __BIT(1+16) /* Unexpected Page Req Grp Idx */
1926#define PCI_PAGE_REQ_STA_S __BIT(8+16) /* Stopped */
1927#define PCI_PAGE_REQ_STA_PASIDR __BIT(15+16) /* PRG Response PASID Required */
1928#define PCI_PAGE_REQ_OUTSTCAPA 0x08 /* Outstanding Page Request Capacity */
1929#define PCI_PAGE_REQ_OUTSTALLOC 0x0c /* Outstanding Page Request Allocation */
1930
1931/*
1932 * Extended capability ID: 0x0014
1933 * Enhanced Allocation
1934 */
1935#define PCI_EA_CAP1 0x00 /* Capability First */
1936#define PCI_EA_CAP1_NUMENTRIES __BITS(21, 16) /* Num Entries */
1937#define PCI_EA_CAP2 0x04 /* Capability Second (for type1) */
1938#define PCI_EA_CAP2_SECONDARY __BITS(7, 0) /* Fixed Secondary Bus No. */
1939#define PCI_EA_CAP2_SUBORDINATE __BITS(15, 8) /* Fixed Subordinate Bus No. */
1940
1941/* Bit definitions for the first DW of each entry */
1942#define PCI_EA_ES __BITS(2, 0) /* Entry Size */
1943#define PCI_EA_BEI __BITS(7, 4) /* BAR Equivalent Indicator */
1944#define PCI_EA_BEI_BAR0 0 /* BAR0 (10h) */
1945#define PCI_EA_BEI_BAR1 1 /* BAR1 (14h) */
1946#define PCI_EA_BEI_BAR2 2 /* BAR2 (18h) */
1947#define PCI_EA_BEI_BAR3 3 /* BAR3 (1ch) */
1948#define PCI_EA_BEI_BAR4 4 /* BAR4 (20h) */
1949#define PCI_EA_BEI_BAR5 5 /* BAR5 (24h) */
1950#define PCI_EA_BEI_BEHIND 6 /* Behind the function (for type1) */
1951#define PCI_EA_BEI_NOTIND 7 /* Not Indicated */
1952#define PCI_EA_BEI_EXPROM 8 /* Expansion ROM */
1953#define PCI_EA_BEI_VFBAR0 9 /* VF BAR0 */
1954#define PCI_EA_BEI_VFBAR1 10 /* VF BAR1 */
1955#define PCI_EA_BEI_VFBAR2 11 /* VF BAR2 */
1956#define PCI_EA_BEI_VFBAR3 12 /* VF BAR3 */
1957#define PCI_EA_BEI_VFBAR4 13 /* VF BAR4 */
1958#define PCI_EA_BEI_VFBAR5 14 /* VF BAR5 */
1959#define PCI_EA_BEI_RESERVED 15 /* Reserved (treat as Not Indicated) */
1960#define PCI_EA_PP __BITS(15, 8) /* Primary Properties */
1961#define PCI_EA_SP __BITS(23, 16) /* Secondary Properties */
1962/* PP and SP's values */
1963#define PCI_EA_PROP_MEM_NONPREF 0x00 /* Memory Space, Non-Prefetchable */
1964#define PCI_EA_PROP_MEM_PREF 0x01 /* Memory Space, Prefetchable */
1965#define PCI_EA_PROP_IO 0x02 /* I/O Space */
1966#define PCI_EA_PROP_VF_MEM_NONPREF 0x03 /* Resorce for VF use. Mem. Non-Pref */
1967#define PCI_EA_PROP_VF_MEM_PREF 0x04 /* Resorce for VF use. Mem. Prefetch */
1968#define PCI_EA_PROP_BB_MEM_NONPREF 0x05 /* Behind Bridge: MEM. Non-Pref */
1969#define PCI_EA_PROP_BB_MEM_PREF 0x06 /* Behind Bridge: MEM. Prefetch */
1970#define PCI_EA_PROP_BB_IO 0x07 /* Behind Bridge: I/O Space */
1971#define PCI_EA_PROP_MEM_UNAVAIL 0xfd /* Memory Space Unavailable */
1972#define PCI_EA_PROP_IO_UNAVAIL 0xfe /* IO Space Unavailable */
1973#define PCI_EA_PROP_UNAVAIL 0xff /* Entry Unavailable for use */
1974#define PCI_EA_W __BIT(30) /* Writable */
1975#define PCI_EA_E __BIT(31) /* Enable for this entry */
1976
1977#define PCI_EA_LOWMASK __BITS(31, 2) /* Low register's mask */
1978#define PCI_EA_BASEMAXOFFSET_S __BIT(1) /* Field Size */
1979#define PCI_EA_BASEMAXOFFSET_64BIT __BIT(1) /* 64bit */
1980#define PCI_EA_BASEMAXOFFSET_32BIT 0 /* 32bit */
1981
1982/*
1983 * Extended capability ID: 0x0015
1984 * Resizable BAR
1985 */
1986#define PCI_RESIZBAR_CAP0 0x04 /* Capability Register(0) */
1987#define PCI_RESIZBAR_CAP(x) (PCI_RESIZBAR_CAP0 + ((x) * 8))
1988#define PCI_RESIZBAR_CAP_SIZEMASK __BITS(23, 4) /* BAR size bitmask */
1989#define PCI_RESIZBAR_CTL0 0x08 /* Control Register(0) */
1990#define PCI_RESIZBAR_CTL(x) (PCI_RESIZBAR_CTL0 + ((x) * 8))
1991#define PCI_RESIZBAR_CTL_BARIDX __BITS(2, 0)
1992#define PCI_RESIZBAR_CTL_NUMBAR __BITS(7, 5)
1993#define PCI_RESIZBAR_CTL_BARSIZ __BITS(12, 8)
1994
1995/*
1996 * Extended capability ID: 0x0016
1997 * Dynamic Power Allocation
1998 */
1999#define PCI_DPA_CAP 0x04 /* Capability */
2000#define PCI_DPA_CAP_SUBSTMAX __BITS(4, 0) /* Substate Max */
2001#define PCI_DPA_CAP_TLUINT __BITS(9, 8) /* Transition Latency Unit */
2002#define PCI_DPA_CAP_PAS __BITS(13, 12) /* Power Allocation Scale */
2003#define PCI_DPA_CAP_XLCY0 __BITS(23, 16) /* Transition Latency Value0 */
2004#define PCI_DPA_CAP_XLCY1 __BITS(31, 24) /* Transition Latency Value1 */
2005#define PCI_DPA_LATIND 0x08 /* Latency Indicator */
2006#define PCI_DPA_CS 0x0c /* Control and Status */
2007#define PCI_DPA_CS_SUBSTSTAT __BITS(4, 0) /* Substate Status */
2008#define PCI_DPA_CS_SUBSTCTLEN __BIT(8) /* Substate Control Enabled */
2009#define PCI_DPA_CS_SUBSTCTL __BITS(20, 16) /* Substate Control */
2010#define PCI_DPA_PWRALLOC 0x10 /* Start address of Power Allocation Array */
2011#define PCI_DPA_SUBST_MAXNUM 32 /* Max number of Substates (0 to 31) */
2012
2013/*
2014 * Extended capability ID: 0x0017
2015 * TPH Requester
2016 */
2017#define PCI_TPH_REQ_CAP 0x04 /* TPH Requester Capability */
2018#define PCI_TPH_REQ_CAP_NOST __BIT(0) /* No ST Mode Supported */
2019#define PCI_TPH_REQ_CAP_INTVEC __BIT(1) /* Intr Vec Mode Supported */
2020#define PCI_TPH_REQ_CAP_DEVSPEC __BIT(2) /* Device Specific Mode Supported */
2021#define PCI_TPH_REQ_CAP_XTPHREQ __BIT(8) /* Extend TPH Requester Supported */
2022#define PCI_TPH_REQ_CAP_STTBLLOC __BITS(10, 9) /* ST Table Location */
2023#define PCI_TPH_REQ_STTBLLOC_NONE 0 /* not present */
2024#define PCI_TPH_REQ_STTBLLOC_TPHREQ 1 /* in the TPHREQ cap */
2025#define PCI_TPH_REQ_STTBLLOC_MSIX 2 /* in the MSI-X table */
2026#define PCI_TPH_REQ_CAP_STTBLSIZ __BITS(26, 16) /* ST Table Size */
2027#define PCI_TPH_REQ_CTL 0x08 /* TPH Requester Control */
2028#define PCI_TPH_REQ_CTL_STSEL __BITS(2, 0) /* ST Mode Select */
2029#define PCI_TPH_REQ_CTL_STSEL_NO 0 /* No ST Mode */
2030#define PCI_TPH_REQ_CTL_STSEL_IV 1 /* Interrupt Vector Mode */
2031#define PCI_TPH_REQ_CTL_STSEL_DS 2 /* Device Specific Mode */
2032#define PCI_TPH_REQ_CTL_TPHREQEN __BITS(9, 8) /* TPH Requester Enable */
2033#define PCI_TPH_REQ_CTL_TPHREQEN_NO 0 /* Not permitted */
2034#define PCI_TPH_REQ_CTL_TPHREQEN_TPH 1 /* TPH and no extended TPH */
2035#define PCI_TPH_REQ_CTL_TPHREQEN_RSVD 2 /* Reserved */
2036#define PCI_TPH_REQ_CTL_TPHREQEN_ETPH 3 /* TPH and Extended TPH */
2037#define PCI_TPH_REQ_STTBL 0x0c /* TPH ST Table */
2038
2039/*
2040 * Extended capability ID: 0x0018
2041 * Latency Tolerance Reporting
2042 */
2043#define PCI_LTR_MAXSNOOPLAT 0x04 /* Max Snoop Latency */
2044#define PCI_LTR_MAXSNOOPLAT_VAL __BITS(9, 0) /* Max Snoop LatencyValue */
2045#define PCI_LTR_MAXSNOOPLAT_SCALE __BITS(12, 10) /* Max Snoop LatencyScale */
2046#define PCI_LTR_MAXNOSNOOPLAT 0x04 /* Max No-Snoop Latency */
2047#define PCI_LTR_MAXNOSNOOPLAT_VAL __BITS(25, 16) /* Max No-Snoop LatencyValue*/
2048#define PCI_LTR_MAXNOSNOOPLAT_SCALE __BITS(28, 26) /*Max NoSnoop LatencyScale*/
2049#define PCI_LTR_SCALETONS(x) (1 << ((x) * 5))
2050
2051/*
2052 * Extended capability ID: 0x0019
2053 * Seconday PCI Express Extended Capability
2054 */
2055#define PCI_SECPCIE_LCTL3 0x04 /* Link Control 3 */
2056#define PCI_SECPCIE_LCTL3_PERFEQ __BIT(0) /* Perform Equalization */
2057#define PCI_SECPCIE_LCTL3_LINKEQREQ_IE __BIT(1) /* Link Eq. Req. Int. Ena. */
2058#define PCI_SECPCIE_LCTL3_ELSKPOSGENV __BITS(15, 9) /* En. Lo. SKP OS Gen V*/
2059#define PCI_SECPCIE_LANEERR_STA 0x08 /* Lane Error Status */
2060#define PCI_SECPCIE_EQCTLS 0x0c /* Equalization Control [0-maxlane] */
2061#define PCI_SECPCIE_EQCTL(x) (PCI_SECPCIE_EQCTLS + ((x) * 2))
2062#define PCI_SECPCIE_EQCTL_DP_XMIT_PRESET __BITS(3, 0) /* DwnStPort Xmit Pres */
2063#define PCI_SECPCIE_EQCTL_DP_RCV_HINT __BITS(6, 4) /* DwnStPort Rcv PreHnt */
2064#define PCI_SECPCIE_EQCTL_UP_XMIT_PRESET __BITS(11, 8) /* UpStPort Xmit Pres */
2065#define PCI_SECPCIE_EQCTL_UP_RCV_HINT __BITS(14, 12) /* UpStPort Rcv PreHnt*/
2066
2067/*
2068 * Extended capability ID: 0x001a
2069 * Protocol Multiplexing
2070 */
2071
2072/*
2073 * Extended capability ID: 0x001b
2074 * Process Address Space ID
2075 */
2076#define PCI_PASID_CAP 0x04 /* Capability Register */
2077#define PCI_PASID_CAP_XPERM __BIT(1) /* Execute Permission Supported */
2078#define PCI_PASID_CAP_PRIVMODE __BIT(2) /* Privileged Mode Supported */
2079#define PCI_PASID_CAP_MAXPASIDW __BITS(12, 8) /* Max PASID Width */
2080#define PCI_PASID_CTL 0x04 /* Control Register */
2081#define PCI_PASID_CTL_PASID_EN __BIT(0+16) /* PASID Enable */
2082#define PCI_PASID_CTL_XPERM_EN __BIT(1+16) /* Execute Permission Enable */
2083#define PCI_PASID_CTL_PRIVMODE_EN __BIT(2+16) /* Privileged Mode Enable */
2084
2085/*
2086 * Extended capability ID: 0x001c
2087 * LN Requester
2088 */
2089#define PCI_LNR_CAP 0x04 /* Capability Register */
2090#define PCI_LNR_CAP_64 __BIT(0) /* LNR-64 Supported */
2091#define PCI_LNR_CAP_128 __BIT(1) /* LNR-128 Supported */
2092#define PCI_LNR_CAP_REGISTMAX __BITS(12, 8) /* LNR Registration MAX */
2093#define PCI_LNR_CTL 0x04 /* Control Register */
2094#define PCI_LNR_CTL_EN __BIT(0+16) /* LNR Enable */
2095#define PCI_LNR_CTL_CLS __BIT(1+16) /* LNR CLS */
2096#define PCI_LNR_CTL_REGISTLIM __BITS(28, 24) /* LNR Registration Limit */
2097
2098/*
2099 * Extended capability ID: 0x001d
2100 * Downstream Port Containment
2101 */
2102
2103#define PCI_DPC_CCR 0x04 /* Capability and Control Register */
2104#define PCI_DPCCAP_IMSGN __BITS(4, 0) /* Interrupt Message Number */
2105#define PCI_DPCCAP_RPEXT __BIT(5) /* RP Extensions for DPC */
2106#define PCI_DPCCAP_POISONTLPEB __BIT(6) /* Poisoned TLP Egress Blckng.*/
2107#define PCI_DPCCAP_SWTRIG __BIT(7) /* DPC Software Triggering */
2108#define PCI_DPCCAP_RPPIOLOGSZ __BITS(11, 8) /* RP PIO Log Size */
2109#define PCI_DPCCAP_DLACTECORS __BIT(12) /* DL_Active ERR_COR Signaling*/
2110#define PCI_DPCCTL_TIRGEN __BITS(17, 16) /* DPC Trigger Enable */
2111#define PCI_DPCCTL_COMPCTL __BIT(18) /* DPC Completion Control */
2112#define PCI_DPCCTL_IE __BIT(19) /* DPC Interrupt Enable */
2113#define PCI_DPCCTL_ERRCOREN __BIT(20) /* DPC ERR_COR enable */
2114#define PCI_DPCCTL_POISONTLPEB __BIT(21) /* Poisoned TLP Egress Blckng.*/
2115#define PCI_DPCCTL_SWTRIG __BIT(22) /* DPC Software Trigger */
2116#define PCI_DPCCTL_DLACTECOR __BIT(23) /* DL_Active ERR_COR Enable */
2117
2118#define PCI_DPC_STATESID 0x08 /* Status and Error Source ID Register */
2119#define PCI_DPCSTAT_TSTAT __BIT(0) /* DPC Trigger Staus */
2120#define PCI_DPCSTAT_TREASON __BITS(2, 1) /* DPC Trigger Reason */
2121#define PCI_DPCSTAT_ISTAT __BIT(3) /* DPC Interrupt Status */
2122#define PCI_DPCSTAT_RPBUSY __BIT(4) /* DPC RP Busy */
2123#define PCI_DPCSTAT_TRIGREXT __BITS(6, 5) /* DPC Trigger Reason Extntn. */
2124#define PCI_DPCSTAT_RPPIOFEP __BITS(12, 8) /* RP PIO First Error Pointer */
2125#define PCI_DPCESID __BITS(31, 16) /* DPC Error Source ID */
2126
2127#define PCI_DPC_RPPIO_STAT 0x0c /* RP PIO Status Register */
2128#define PCI_DPC_RPPIO_CFGUR_CPL __BIT(0) /* CfgReq received UR Complt. */
2129#define PCI_DPC_RPPIO_CFGCA_CPL __BIT(1) /* CfgReq received CA Complt. */
2130#define PCI_DPC_RPPIO_CFG_CTO __BIT(2) /* CfgReq Completion Timeout */
2131#define PCI_DPC_RPPIO_IOUR_CPL __BIT(8) /* I/OReq received UR Complt. */
2132#define PCI_DPC_RPPIO_IOCA_CPL __BIT(9) /* I/OReq received CA Complt. */
2133#define PCI_DPC_RPPIO_IO_CTO __BIT(10) /* I/OReq Completion Timeout */
2134#define PCI_DPC_RPPIO_MEMUR_CPL __BIT(16) /* MemReq received UR Complt. */
2135#define PCI_DPC_RPPIO_MEMCA_CPL __BIT(17) /* MemReq received CA Complt. */
2136#define PCI_DPC_RPPIO_MEM_CTO __BIT(18) /* MemReq Completion Timeout */
2137
2138#define PCI_DPC_RPPIO_MASK 0x10 /* RP PIO Mask Register */
2139 /* Bits are the same as RP PIO Status Register */
2140#define PCI_DPC_RPPIO_SEVE 0x14 /* RP PIO Severity Register */
2141 /* Same */
2142#define PCI_DPC_RPPIO_SYSERR 0x18 /* RP PIO SysError Register */
2143 /* Same */
2144#define PCI_DPC_RPPIO_EXCPT 0x1c /* RP PIO Exception Register */
2145 /* Same */
2146#define PCI_DPC_RPPIO_HLOG 0x20 /* RP PIO Header Log Register */
2147#define PCI_DPC_RPPIO_IMPSLOG 0x30 /* RP PIO ImpSpec Log Register */
2148#define PCI_DPC_RPPIO_TLPPLOG 0x34 /* RP PIO TLP Prefix Log Register */
2149
2150/*
2151 * Extended capability ID: 0x001e
2152 * L1 PM Substates
2153 */
2154#define PCI_L1PM_CAP 0x04 /* Capabilities Register */
2155#define PCI_L1PM_CAP_PCIPM12 __BIT(0) /* PCI-PM L1.2 Supported */
2156#define PCI_L1PM_CAP_PCIPM11 __BIT(1) /* PCI-PM L1.1 Supported */
2157#define PCI_L1PM_CAP_ASPM12 __BIT(2) /* ASPM L1.2 Supported */
2158#define PCI_L1PM_CAP_ASPM11 __BIT(3) /* ASPM L1.1 Supported */
2159#define PCI_L1PM_CAP_L1PM __BIT(4) /* L1 PM Substates Supported */
2160#define PCI_L1PM_CAP_LA __BIT(5) /* Link Activation Supported */
2161#define PCI_L1PM_CAP_PCMRT __BITS(15, 8) /*Port Common Mode Restore Time*/
2162#define PCI_L1PM_CAP_PTPOSCALE __BITS(17, 16) /* Port T_POWER_ON Scale */
2163#define PCI_L1PM_CAP_PTPOVAL __BITS(23, 19) /* Port T_POWER_ON Value */
2164#define PCI_L1PM_CTL1 0x08 /* Control Register 1 */
2165#define PCI_L1PM_CTL1_PCIPM12_EN __BIT(0) /* PCI-PM L1.2 Enable */
2166#define PCI_L1PM_CTL1_PCIPM11_EN __BIT(1) /* PCI-PM L1.1 Enable */
2167#define PCI_L1PM_CTL1_ASPM12_EN __BIT(2) /* ASPM L1.2 Enable */
2168#define PCI_L1PM_CTL1_ASPM11_EN __BIT(3) /* ASPM L1.1 Enable */
2169#define PCI_L1PM_CTL1_LAIE __BIT(4) /* Link Activation Int. En. */
2170#define PCI_L1PM_CTL1_LA __BIT(5) /* Link Activation Control */
2171#define PCI_L1PM_CTL1_CMRT __BITS(15, 8) /* Common Mode Restore Time */
2172#define PCI_L1PM_CTL1_LTRTHVAL __BITS(25, 16) /* LTR L1.2 THRESHOLD Value */
2173#define PCI_L1PM_CTL1_LTRTHSCALE __BITS(31, 29) /* LTR L1.2 THRESHOLD Scale */
2174#define PCI_L1PM_CTL2 0x0c /* Control Register 2 */
2175#define PCI_L1PM_CTL2_TPOSCALE __BITS(1, 0) /* T_POWER_ON Scale */
2176#define PCI_L1PM_CTL2_TPOVAL __BITS(7, 3) /* T_POWER_ON Value */
2177#define PCI_L1PM_STAT 0x10 /* Status Register */
2178#define PCI_L1PM_STAT_LA __BIT(0) /* Link Activation Status */
2179
2180/*
2181 * Extended capability ID: 0x001f
2182 * Precision Time Management
2183 */
2184#define PCI_PTM_CAP 0x04 /* Capabilities Register */
2185#define PCI_PTM_CAP_REQ __BIT(0) /* PTM Requester Capable */
2186#define PCI_PTM_CAP_RESP __BIT(1) /* PTM Responder Capable */
2187#define PCI_PTM_CAP_ROOT __BIT(2) /* PTM Root Capable */
2188#define PCI_PTM_CAP_LCLCLKGRNL __BITS(15, 8) /* Local Clock Granularity */
2189#define PCI_PTM_CTL 0x08 /* Control Register */
2190#define PCI_PTM_CTL_EN __BIT(0) /* PTM Enable */
2191#define PCI_PTM_CTL_ROOTSEL __BIT(1) /* Root Select */
2192#define PCI_PTM_CTL_EFCTGRNL __BITS(15, 8) /* Effective Granularity */
2193
2194/*
2195 * Extended capability ID: 0x0020
2196 * M-PCIe
2197 */
2198
2199/*
2200 * Extended capability ID: 0x0021
2201 * Function Reading Status Queueing
2202 */
2203
2204/*
2205 * Extended capability ID: 0x0022
2206 * Readiness Time Reporting
2207 */
2208
2209/*
2210 * Extended capability ID: 0x0023
2211 * Designated Vendor-Specific
2212 */
2213
2214/*
2215 * Extended capability ID: 0x0024
2216 * VF Resizable BAR
2217 */
2218
2219/*
2220 * Extended capability ID: 0x0025
2221 * Data link Feature
2222 */
2223#define PCI_DLF_CAP 0x04 /* Capability register */
2224#define PCI_DLF_LFEAT __BITS(22, 0) /* Local DLF supported */
2225#define PCI_DLF_LFEAT_SCLFCTL __BIT(0) /* Scaled Flow Control */
2226#define PCI_DLF_CAP_XCHG __BIT(31) /* DLF Exchange enable */
2227#define PCI_DLF_STAT 0x08 /* Status register */
2228 /* Bit 22:0 is the same as PCI_DLF_CAP_LINKFEAT */
2229#define PCI_DLF_STAT_RMTVALID __BIT(31) /* Remote DLF supported Valid */
2230
2231/*
2232 * Extended capability ID: 0x0026
2233 * Physical Layer 16.0 GT/s
2234 */
2235#define PCI_PL16G_CAP 0x04 /* Capabilities Register */
2236#define PCI_PL16G_CTL 0x08 /* Control Register */
2237#define PCI_PL16G_STAT 0x0c /* Status Register */
2238#define PCI_PL16G_STAT_EQ_COMPL __BIT(0) /* Equalization 16.0 GT/s Complete */
2239#define PCI_PL16G_STAT_EQ_P1S __BIT(1) /* Eq. 16.0 GT/s Phase 1 Successful */
2240#define PCI_PL16G_STAT_EQ_P2S __BIT(2) /* Eq. 16.0 GT/s Phase 2 Successful */
2241#define PCI_PL16G_STAT_EQ_P3S __BIT(3) /* Eq. 16.0 GT/s Phase 3 Successful */
2242#define PCI_PL16G_STAT_LEQR __BIT(4) /* Link Eq. Request 16.0 GT/s */
2243#define PCI_PL16G_LDPMS 0x10 /* Local Data Parity Mismatch Status reg. */
2244#define PCI_PL16G_FRDPMS 0x14 /* First Retimer Data Parity Mismatch Status */
2245#define PCI_PL16G_SRDPMS 0x18 /* Second Retimer Data Parity Mismatch Status */
2246 /* 0x1c reserved */
2247#define PCI_PL16G_LEC 0x20 /* Lane Equalization Control Register */
2248
2249/*
2250 * Extended capability ID: 0x0027
2251 * Lane Margining at the Receiver
2252 */
2253#define PCI_LMR_PCAPSTAT 0x04 /* Port Capabilities and Status Register */
2254#define PCI_LMR_PCAP_MUDS __BIT(0) /* Margining uses Driver Software */
2255#define PCI_LMR_PSTAT_MR __BIT(16) /* Margining Ready */
2256#define PCI_LMR_PSTAT_MSR __BIT(17) /* Margining Software Ready */
2257#define PCI_LMR_LANECSR 0x08 /* Lane Control and Status Register */
2258#define PCI_LMR_LCTL_RNUM __BITS(2, 0) /* Receive Number */
2259#define PCI_LMR_LCTL_MTYPE __BITS(5, 3) /* Margin Type */
2260#define PCI_LMR_LCTL_UMODEL __BIT(6) /* Usage Model */
2261#define PCI_LMR_LCTL_MPAYLOAD __BITS(15, 8) /* Margin Payload */
2262#define PCI_LMR_LSTAT_RNUM __BITS(18, 16) /* Receive Number */
2263#define PCI_LMR_LSTAT_MTYPE __BITS(21, 19) /* Margin Type */
2264#define PCI_LMR_LSTAT_UMODEL __BIT(22) /* Usage Model */
2265#define PCI_LMR_LSTAT_MPAYLOAD __BITS(31, 24) /* Margin Payload */
2266
2267/*
2268 * Extended capability ID: 0x0028
2269 * Hierarchy ID
2270 */
2271
2272/*
2273 * Extended capability ID: 0x0029
2274 * Native PCIe Enclosure Management
2275 */
2276
2277#endif /* _DEV_PCI_PCIREG_H_ */