FreeBSD kernel amd64 PCI device code
pcireg.h
Go to the documentation of this file.
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright 1997, Stefan Esser <se@freebsd.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice unmodified, this list of conditions, and the following
11 * disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 *
29 */
30
31/*
32 * PCIM_xxx: mask to locate subfield in register
33 * PCIR_xxx: config register offset
34 * PCIC_xxx: device class
35 * PCIS_xxx: device subclass
36 * PCIP_xxx: device programming interface
37 * PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
38 * PCID_xxx: device ID
39 * PCIY_xxx: capability identification number
40 * PCIZ_xxx: extended capability identification number
41 */
42
43/* some PCI bus constants */
44#define PCI_DOMAINMAX 65535 /* highest supported domain number */
45#define PCI_BUSMAX 255 /* highest supported bus number */
46#define PCI_SLOTMAX 31 /* highest supported slot number */
47#define PCI_FUNCMAX 7 /* highest supported function number */
48#define PCI_REGMAX 255 /* highest supported config register addr. */
49#define PCIE_REGMAX 4095 /* highest supported config register addr. */
50#define PCI_MAXHDRTYPE 2
51
52#define PCIE_ARI_SLOTMAX 0
53#define PCIE_ARI_FUNCMAX 255
54
55#define PCI_RID_DOMAIN_SHIFT 16
56#define PCI_RID_BUS_SHIFT 8
57#define PCI_RID_SLOT_SHIFT 3
58#define PCI_RID_FUNC_SHIFT 0
59
60#define PCI_RID(bus, slot, func) \
61 ((((bus) & PCI_BUSMAX) << PCI_RID_BUS_SHIFT) | \
62 (((slot) & PCI_SLOTMAX) << PCI_RID_SLOT_SHIFT) | \
63 (((func) & PCI_FUNCMAX) << PCI_RID_FUNC_SHIFT))
64
65#define PCI_ARI_RID(bus, func) \
66 ((((bus) & PCI_BUSMAX) << PCI_RID_BUS_SHIFT) | \
67 (((func) & PCIE_ARI_FUNCMAX) << PCI_RID_FUNC_SHIFT))
68
69#define PCI_RID2BUS(rid) (((rid) >> PCI_RID_BUS_SHIFT) & PCI_BUSMAX)
70#define PCI_RID2SLOT(rid) (((rid) >> PCI_RID_SLOT_SHIFT) & PCI_SLOTMAX)
71#define PCI_RID2FUNC(rid) (((rid) >> PCI_RID_FUNC_SHIFT) & PCI_FUNCMAX)
72
73#define PCIE_ARI_RID2SLOT(rid) (0)
74#define PCIE_ARI_RID2FUNC(rid) \
75 (((rid) >> PCI_RID_FUNC_SHIFT) & PCIE_ARI_FUNCMAX)
76
77#define PCIE_ARI_SLOT(func) (((func) >> PCI_RID_SLOT_SHIFT) & PCI_SLOTMAX)
78#define PCIE_ARI_FUNC(func) (((func) >> PCI_RID_FUNC_SHIFT) & PCI_FUNCMAX)
79
80/* PCI config header registers for all devices */
81
82#define PCIR_DEVVENDOR 0x00
83#define PCIR_VENDOR 0x00
84#define PCIR_DEVICE 0x02
85#define PCIR_COMMAND 0x04
86#define PCIM_CMD_PORTEN 0x0001
87#define PCIM_CMD_MEMEN 0x0002
88#define PCIM_CMD_BUSMASTEREN 0x0004
89#define PCIM_CMD_SPECIALEN 0x0008
90#define PCIM_CMD_MWRICEN 0x0010
91#define PCIM_CMD_PERRESPEN 0x0040
92#define PCIM_CMD_SERRESPEN 0x0100
93#define PCIM_CMD_BACKTOBACK 0x0200
94#define PCIM_CMD_INTxDIS 0x0400
95#define PCIR_STATUS 0x06
96#define PCIM_STATUS_INTxSTATE 0x0008
97#define PCIM_STATUS_CAPPRESENT 0x0010
98#define PCIM_STATUS_66CAPABLE 0x0020
99#define PCIM_STATUS_BACKTOBACK 0x0080
100#define PCIM_STATUS_MDPERR 0x0100
101#define PCIM_STATUS_SEL_FAST 0x0000
102#define PCIM_STATUS_SEL_MEDIMUM 0x0200
103#define PCIM_STATUS_SEL_SLOW 0x0400
104#define PCIM_STATUS_SEL_MASK 0x0600
105#define PCIM_STATUS_STABORT 0x0800
106#define PCIM_STATUS_RTABORT 0x1000
107#define PCIM_STATUS_RMABORT 0x2000
108#define PCIM_STATUS_SERR 0x4000
109#define PCIM_STATUS_PERR 0x8000
110#define PCIR_REVID 0x08
111#define PCIR_PROGIF 0x09
112#define PCIR_SUBCLASS 0x0a
113#define PCIR_CLASS 0x0b
114#define PCIR_CACHELNSZ 0x0c
115#define PCIR_LATTIMER 0x0d
116#define PCIR_HDRTYPE 0x0e
117#define PCIM_HDRTYPE 0x7f
118#define PCIM_HDRTYPE_NORMAL 0x00
119#define PCIM_HDRTYPE_BRIDGE 0x01
120#define PCIM_HDRTYPE_CARDBUS 0x02
121#define PCIM_MFDEV 0x80
122#define PCIR_BIST 0x0f
123
124/* PCI Spec rev 2.2: 0FFFFh is an invalid value for Vendor ID. */
125#define PCIV_INVALID 0xffff
126
127/* Capability Register Offsets */
128
129#define PCICAP_ID 0x0
130#define PCICAP_NEXTPTR 0x1
131
132/* Capability Identification Numbers */
133
134#define PCIY_PMG 0x01 /* PCI Power Management */
135#define PCIY_AGP 0x02 /* AGP */
136#define PCIY_VPD 0x03 /* Vital Product Data */
137#define PCIY_SLOTID 0x04 /* Slot Identification */
138#define PCIY_MSI 0x05 /* Message Signaled Interrupts */
139#define PCIY_CHSWP 0x06 /* CompactPCI Hot Swap */
140#define PCIY_PCIX 0x07 /* PCI-X */
141#define PCIY_HT 0x08 /* HyperTransport */
142#define PCIY_VENDOR 0x09 /* Vendor Unique */
143#define PCIY_DEBUG 0x0a /* Debug port */
144#define PCIY_CRES 0x0b /* CompactPCI central resource control */
145#define PCIY_HOTPLUG 0x0c /* PCI Hot-Plug */
146#define PCIY_SUBVENDOR 0x0d /* PCI-PCI bridge subvendor ID */
147#define PCIY_AGP8X 0x0e /* AGP 8x */
148#define PCIY_SECDEV 0x0f /* Secure Device */
149#define PCIY_EXPRESS 0x10 /* PCI Express */
150#define PCIY_MSIX 0x11 /* MSI-X */
151#define PCIY_SATA 0x12 /* SATA */
152#define PCIY_PCIAF 0x13 /* PCI Advanced Features */
153#define PCIY_EA 0x14 /* PCI Extended Allocation */
154#define PCIY_FPB 0x15 /* Flattening Portal Bridge */
155
156/* Extended Capability Register Fields */
157
158#define PCIR_EXTCAP 0x100
159#define PCIM_EXTCAP_ID 0x0000ffff
160#define PCIM_EXTCAP_VER 0x000f0000
161#define PCIM_EXTCAP_NEXTPTR 0xfff00000
162#define PCI_EXTCAP_ID(ecap) ((ecap) & PCIM_EXTCAP_ID)
163#define PCI_EXTCAP_VER(ecap) (((ecap) & PCIM_EXTCAP_VER) >> 16)
164#define PCI_EXTCAP_NEXTPTR(ecap) (((ecap) & PCIM_EXTCAP_NEXTPTR) >> 20)
165
166/* Extended Capability Identification Numbers */
167
168#define PCIZ_AER 0x0001 /* Advanced Error Reporting */
169#define PCIZ_VC 0x0002 /* Virtual Channel if MFVC Ext Cap not set */
170#define PCIZ_SERNUM 0x0003 /* Device Serial Number */
171#define PCIZ_PWRBDGT 0x0004 /* Power Budgeting */
172#define PCIZ_RCLINK_DCL 0x0005 /* Root Complex Link Declaration */
173#define PCIZ_RCLINK_CTL 0x0006 /* Root Complex Internal Link Control */
174#define PCIZ_RCEC_ASSOC 0x0007 /* Root Complex Event Collector Association */
175#define PCIZ_MFVC 0x0008 /* Multi-Function Virtual Channel */
176#define PCIZ_VC2 0x0009 /* Virtual Channel if MFVC Ext Cap set */
177#define PCIZ_RCRB 0x000a /* RCRB Header */
178#define PCIZ_VENDOR 0x000b /* Vendor Unique */
179#define PCIZ_CAC 0x000c /* Configuration Access Correction -- obsolete */
180#define PCIZ_ACS 0x000d /* Access Control Services */
181#define PCIZ_ARI 0x000e /* Alternative Routing-ID Interpretation */
182#define PCIZ_ATS 0x000f /* Address Translation Services */
183#define PCIZ_SRIOV 0x0010 /* Single Root IO Virtualization */
184#define PCIZ_MRIOV 0x0011 /* Multiple Root IO Virtualization */
185#define PCIZ_MULTICAST 0x0012 /* Multicast */
186#define PCIZ_PAGE_REQ 0x0013 /* Page Request */
187#define PCIZ_AMD 0x0014 /* Reserved for AMD */
188#define PCIZ_RESIZE_BAR 0x0015 /* Resizable BAR */
189#define PCIZ_DPA 0x0016 /* Dynamic Power Allocation */
190#define PCIZ_TPH_REQ 0x0017 /* TPH Requester */
191#define PCIZ_LTR 0x0018 /* Latency Tolerance Reporting */
192#define PCIZ_SEC_PCIE 0x0019 /* Secondary PCI Express */
193#define PCIZ_PMUX 0x001a /* Protocol Multiplexing */
194#define PCIZ_PASID 0x001b /* Process Address Space ID */
195#define PCIZ_LN_REQ 0x001c /* LN Requester */
196#define PCIZ_DPC 0x001d /* Downstream Port Containment */
197#define PCIZ_L1PM 0x001e /* L1 PM Substates */
198#define PCIZ_PTM 0x001f /* Precision Time Measurement */
199#define PCIZ_M_PCIE 0x0020 /* PCIe over M-PHY */
200#define PCIZ_FRS 0x0021 /* FRS Queuing */
201#define PCIZ_RTR 0x0022 /* Readiness Time Reporting */
202#define PCIZ_DVSEC 0x0023 /* Designated Vendor-Specific */
203#define PCIZ_VF_REBAR 0x0024 /* VF Resizable BAR */
204#define PCIZ_DLNK 0x0025 /* Data Link Feature */
205#define PCIZ_16GT 0x0026 /* Physical Layer 16.0 GT/s */
206#define PCIZ_LMR 0x0027 /* Lane Margining at Receiver */
207#define PCIZ_HIER_ID 0x0028 /* Hierarchy ID */
208#define PCIZ_NPEM 0x0029 /* Native PCIe Enclosure Management */
209#define PCIZ_PL32 0x002a /* Physical Layer 32.0 GT/s */
210#define PCIZ_AP 0x002b /* Alternate Protocol */
211#define PCIZ_SFI 0x002c /* System Firmware Intermediary */
212
213/* config registers for header type 0 devices */
214
215#define PCIR_BARS 0x10
216#define PCIR_BAR(x) (PCIR_BARS + (x) * 4)
217#define PCIR_MAX_BAR_0 5
218#define PCI_RID2BAR(rid) (((rid) - PCIR_BARS) / 4)
219#define PCI_BAR_IO(x) (((x) & PCIM_BAR_SPACE) == PCIM_BAR_IO_SPACE)
220#define PCI_BAR_MEM(x) (((x) & PCIM_BAR_SPACE) == PCIM_BAR_MEM_SPACE)
221#define PCIM_BAR_SPACE 0x00000001
222#define PCIM_BAR_MEM_SPACE 0
223#define PCIM_BAR_IO_SPACE 1
224#define PCIM_BAR_MEM_TYPE 0x00000006
225#define PCIM_BAR_MEM_32 0
226#define PCIM_BAR_MEM_1MB 2 /* Locate below 1MB in PCI <= 2.1 */
227#define PCIM_BAR_MEM_64 4
228#define PCIM_BAR_MEM_PREFETCH 0x00000008
229#define PCIM_BAR_MEM_BASE 0xfffffffffffffff0ULL
230#define PCIM_BAR_IO_RESERVED 0x00000002
231#define PCIM_BAR_IO_BASE 0xfffffffc
232#define PCIR_CIS 0x28
233#define PCIM_CIS_ASI_MASK 0x00000007
234#define PCIM_CIS_ASI_CONFIG 0
235#define PCIM_CIS_ASI_BAR0 1
236#define PCIM_CIS_ASI_BAR1 2
237#define PCIM_CIS_ASI_BAR2 3
238#define PCIM_CIS_ASI_BAR3 4
239#define PCIM_CIS_ASI_BAR4 5
240#define PCIM_CIS_ASI_BAR5 6
241#define PCIM_CIS_ASI_ROM 7
242#define PCIM_CIS_ADDR_MASK 0x0ffffff8
243#define PCIM_CIS_ROM_MASK 0xf0000000
244#define PCIM_CIS_CONFIG_MASK 0xff
245#define PCIR_SUBVEND_0 0x2c
246#define PCIR_SUBDEV_0 0x2e
247#define PCIR_BIOS 0x30
248#define PCIM_BIOS_ENABLE 0x01
249#define PCIM_BIOS_ADDR_MASK 0xfffff800
250#define PCIR_CAP_PTR 0x34
251#define PCIR_INTLINE 0x3c
252#define PCIR_INTPIN 0x3d
253#define PCIR_MINGNT 0x3e
254#define PCIR_MAXLAT 0x3f
255
256/* config registers for header type 1 (PCI-to-PCI bridge) devices */
257
258#define PCIR_MAX_BAR_1 1
259#define PCIR_SECSTAT_1 0x1e
260
261#define PCIR_PRIBUS_1 0x18
262#define PCIR_SECBUS_1 0x19
263#define PCIR_SUBBUS_1 0x1a
264#define PCIR_SECLAT_1 0x1b
265
266#define PCIR_IOBASEL_1 0x1c
267#define PCIR_IOLIMITL_1 0x1d
268#define PCIR_IOBASEH_1 0x30
269#define PCIR_IOLIMITH_1 0x32
270#define PCIM_BRIO_16 0x0
271#define PCIM_BRIO_32 0x1
272#define PCIM_BRIO_MASK 0xf
273
274#define PCIR_MEMBASE_1 0x20
275#define PCIR_MEMLIMIT_1 0x22
276
277#define PCIR_PMBASEL_1 0x24
278#define PCIR_PMLIMITL_1 0x26
279#define PCIR_PMBASEH_1 0x28
280#define PCIR_PMLIMITH_1 0x2c
281#define PCIM_BRPM_32 0x0
282#define PCIM_BRPM_64 0x1
283#define PCIM_BRPM_MASK 0xf
284
285#define PCIR_BIOS_1 0x38
286#define PCIR_BRIDGECTL_1 0x3e
287
288#define PCI_PPBMEMBASE(h,l) ((((uint64_t)(h) << 32) + ((l)<<16)) & ~0xfffff)
289#define PCI_PPBMEMLIMIT(h,l) ((((uint64_t)(h) << 32) + ((l)<<16)) | 0xfffff)
290#define PCI_PPBIOBASE(h,l) ((((h)<<16) + ((l)<<8)) & ~0xfff)
291#define PCI_PPBIOLIMIT(h,l) ((((h)<<16) + ((l)<<8)) | 0xfff)
292
293/* config registers for header type 2 (CardBus) devices */
294
295#define PCIR_MAX_BAR_2 0
296#define PCIR_CAP_PTR_2 0x14
297#define PCIR_SECSTAT_2 0x16
298
299#define PCIR_PRIBUS_2 0x18
300#define PCIR_SECBUS_2 0x19
301#define PCIR_SUBBUS_2 0x1a
302#define PCIR_SECLAT_2 0x1b
303
304#define PCIR_MEMBASE0_2 0x1c
305#define PCIR_MEMLIMIT0_2 0x20
306#define PCIR_MEMBASE1_2 0x24
307#define PCIR_MEMLIMIT1_2 0x28
308#define PCIR_IOBASE0_2 0x2c
309#define PCIR_IOLIMIT0_2 0x30
310#define PCIR_IOBASE1_2 0x34
311#define PCIR_IOLIMIT1_2 0x38
312#define PCIM_CBBIO_16 0x0
313#define PCIM_CBBIO_32 0x1
314#define PCIM_CBBIO_MASK 0x3
315
316#define PCIR_BRIDGECTL_2 0x3e
317
318#define PCIR_SUBVEND_2 0x40
319#define PCIR_SUBDEV_2 0x42
320
321#define PCIR_PCCARDIF_2 0x44
322
323#define PCI_CBBMEMBASE(l) ((l) & ~0xfffff)
324#define PCI_CBBMEMLIMIT(l) ((l) | 0xfffff)
325#define PCI_CBBIOBASE(l) ((l) & ~0x3)
326#define PCI_CBBIOLIMIT(l) ((l) | 0x3)
327
328/* PCI device class, subclass and programming interface definitions */
329
330#define PCIC_OLD 0x00
331#define PCIS_OLD_NONVGA 0x00
332#define PCIS_OLD_VGA 0x01
333
334#define PCIC_STORAGE 0x01
335#define PCIS_STORAGE_SCSI 0x00
336#define PCIS_STORAGE_IDE 0x01
337#define PCIP_STORAGE_IDE_MODEPRIM 0x01
338#define PCIP_STORAGE_IDE_PROGINDPRIM 0x02
339#define PCIP_STORAGE_IDE_MODESEC 0x04
340#define PCIP_STORAGE_IDE_PROGINDSEC 0x08
341#define PCIP_STORAGE_IDE_MASTERDEV 0x80
342#define PCIS_STORAGE_FLOPPY 0x02
343#define PCIS_STORAGE_IPI 0x03
344#define PCIS_STORAGE_RAID 0x04
345#define PCIS_STORAGE_ATA_ADMA 0x05
346#define PCIS_STORAGE_SATA 0x06
347#define PCIP_STORAGE_SATA_AHCI_1_0 0x01
348#define PCIS_STORAGE_SAS 0x07
349#define PCIS_STORAGE_NVM 0x08
350#define PCIP_STORAGE_NVM_NVMHCI_1_0 0x01
351#define PCIP_STORAGE_NVM_ENTERPRISE_NVMHCI_1_0 0x02
352#define PCIS_STORAGE_UFS 0x09
353#define PCIP_STORAGE_UFS_UFSHCI_1_0 0x01
354#define PCIS_STORAGE_OTHER 0x80
355
356#define PCIC_NETWORK 0x02
357#define PCIS_NETWORK_ETHERNET 0x00
358#define PCIS_NETWORK_TOKENRING 0x01
359#define PCIS_NETWORK_FDDI 0x02
360#define PCIS_NETWORK_ATM 0x03
361#define PCIS_NETWORK_ISDN 0x04
362#define PCIS_NETWORK_WORLDFIP 0x05
363#define PCIS_NETWORK_PICMG 0x06
364#define PCIS_NETWORK_INFINIBAND 0x07
365#define PCIS_NETWORK_HFC 0x08
366#define PCIS_NETWORK_OTHER 0x80
367
368#define PCIC_DISPLAY 0x03
369#define PCIS_DISPLAY_VGA 0x00
370#define PCIS_DISPLAY_XGA 0x01
371#define PCIS_DISPLAY_3D 0x02
372#define PCIS_DISPLAY_OTHER 0x80
373
374#define PCIC_MULTIMEDIA 0x04
375#define PCIS_MULTIMEDIA_VIDEO 0x00
376#define PCIS_MULTIMEDIA_AUDIO 0x01
377#define PCIS_MULTIMEDIA_TELE 0x02
378#define PCIS_MULTIMEDIA_HDA 0x03
379#define PCIP_MULTIMEDIA_HDA_VENDOR 0x01
380#define PCIS_MULTIMEDIA_OTHER 0x80
381
382#define PCIC_MEMORY 0x05
383#define PCIS_MEMORY_RAM 0x00
384#define PCIS_MEMORY_FLASH 0x01
385#define PCIS_MEMORY_OTHER 0x80
386
387#define PCIC_BRIDGE 0x06
388#define PCIS_BRIDGE_HOST 0x00
389#define PCIS_BRIDGE_ISA 0x01
390#define PCIS_BRIDGE_EISA 0x02
391#define PCIS_BRIDGE_MCA 0x03
392#define PCIS_BRIDGE_PCI 0x04
393#define PCIP_BRIDGE_PCI_SUBTRACTIVE 0x01
394#define PCIS_BRIDGE_PCMCIA 0x05
395#define PCIS_BRIDGE_NUBUS 0x06
396#define PCIS_BRIDGE_CARDBUS 0x07
397#define PCIS_BRIDGE_RACEWAY 0x08
398#define PCIS_BRIDGE_PCI_TRANSPARENT 0x09
399#define PCIS_BRIDGE_INFINIBAND 0x0a
400#define PCIS_BRIDGE_AS_PCI 0x0b
401#define PCIS_BRIDGE_AS_PCI_ASI_SIG 0x01
402#define PCIS_BRIDGE_OTHER 0x80
403
404#define PCIC_SIMPLECOMM 0x07
405#define PCIS_SIMPLECOMM_UART 0x00
406#define PCIP_SIMPLECOMM_UART_8250 0x00
407#define PCIP_SIMPLECOMM_UART_16450A 0x01
408#define PCIP_SIMPLECOMM_UART_16550A 0x02
409#define PCIP_SIMPLECOMM_UART_16650A 0x03
410#define PCIP_SIMPLECOMM_UART_16750A 0x04
411#define PCIP_SIMPLECOMM_UART_16850A 0x05
412#define PCIP_SIMPLECOMM_UART_16950A 0x06
413#define PCIS_SIMPLECOMM_PAR 0x01
414#define PCIS_SIMPLECOMM_MULSER 0x02
415#define PCIS_SIMPLECOMM_MODEM 0x03
416#define PCIS_SIMPLECOMM_GPIB 0x04
417#define PCIS_SIMPLECOMM_SMART_CARD 0x05
418#define PCIS_SIMPLECOMM_OTHER 0x80
419
420#define PCIC_BASEPERIPH 0x08
421#define PCIS_BASEPERIPH_PIC 0x00
422#define PCIP_BASEPERIPH_PIC_8259A 0x00
423#define PCIP_BASEPERIPH_PIC_ISA 0x01
424#define PCIP_BASEPERIPH_PIC_EISA 0x02
425#define PCIP_BASEPERIPH_PIC_IO_APIC 0x10
426#define PCIP_BASEPERIPH_PIC_IOX_APIC 0x20
427#define PCIS_BASEPERIPH_DMA 0x01
428#define PCIS_BASEPERIPH_TIMER 0x02
429#define PCIS_BASEPERIPH_RTC 0x03
430#define PCIS_BASEPERIPH_PCIHOT 0x04
431#define PCIS_BASEPERIPH_SDHC 0x05
432#define PCIS_BASEPERIPH_IOMMU 0x06
433#define PCIS_BASEPERIPH_RCEC 0x07
434#define PCIS_BASEPERIPH_OTHER 0x80
435
436#define PCIC_INPUTDEV 0x09
437#define PCIS_INPUTDEV_KEYBOARD 0x00
438#define PCIS_INPUTDEV_DIGITIZER 0x01
439#define PCIS_INPUTDEV_MOUSE 0x02
440#define PCIS_INPUTDEV_SCANNER 0x03
441#define PCIS_INPUTDEV_GAMEPORT 0x04
442#define PCIS_INPUTDEV_OTHER 0x80
443
444#define PCIC_DOCKING 0x0a
445#define PCIS_DOCKING_GENERIC 0x00
446#define PCIS_DOCKING_OTHER 0x80
447
448#define PCIC_PROCESSOR 0x0b
449#define PCIS_PROCESSOR_386 0x00
450#define PCIS_PROCESSOR_486 0x01
451#define PCIS_PROCESSOR_PENTIUM 0x02
452#define PCIS_PROCESSOR_ALPHA 0x10
453#define PCIS_PROCESSOR_POWERPC 0x20
454#define PCIS_PROCESSOR_MIPS 0x30
455#define PCIS_PROCESSOR_COPROC 0x40
456
457#define PCIC_SERIALBUS 0x0c
458#define PCIS_SERIALBUS_FW 0x00
459#define PCIS_SERIALBUS_ACCESS 0x01
460#define PCIS_SERIALBUS_SSA 0x02
461#define PCIS_SERIALBUS_USB 0x03
462#define PCIP_SERIALBUS_USB_UHCI 0x00
463#define PCIP_SERIALBUS_USB_OHCI 0x10
464#define PCIP_SERIALBUS_USB_EHCI 0x20
465#define PCIP_SERIALBUS_USB_XHCI 0x30
466#define PCIP_SERIALBUS_USB_DEVICE 0xfe
467#define PCIS_SERIALBUS_FC 0x04
468#define PCIS_SERIALBUS_SMBUS 0x05
469#define PCIS_SERIALBUS_INFINIBAND 0x06
470#define PCIS_SERIALBUS_IPMI 0x07
471#define PCIP_SERIALBUS_IPMI_SMIC 0x00
472#define PCIP_SERIALBUS_IPMI_KCS 0x01
473#define PCIP_SERIALBUS_IPMI_BT 0x02
474#define PCIS_SERIALBUS_SERCOS 0x08
475#define PCIS_SERIALBUS_CANBUS 0x09
476#define PCIS_SERIALBUS_MIPI_I3C 0x0a
477
478#define PCIC_WIRELESS 0x0d
479#define PCIS_WIRELESS_IRDA 0x00
480#define PCIS_WIRELESS_IR 0x01
481#define PCIS_WIRELESS_RF 0x10
482#define PCIS_WIRELESS_BLUETOOTH 0x11
483#define PCIS_WIRELESS_BROADBAND 0x12
484#define PCIS_WIRELESS_80211A 0x20
485#define PCIS_WIRELESS_80211B 0x21
486#define PCIS_WIRELESS_CELL 0x40
487#define PCIS_WIRELESS_CELL_E 0x41
488#define PCIS_WIRELESS_OTHER 0x80
489
490#define PCIC_INTELLIIO 0x0e
491#define PCIS_INTELLIIO_I2O 0x00
492
493#define PCIC_SATCOM 0x0f
494#define PCIS_SATCOM_TV 0x01
495#define PCIS_SATCOM_AUDIO 0x02
496#define PCIS_SATCOM_VOICE 0x03
497#define PCIS_SATCOM_DATA 0x04
498
499#define PCIC_CRYPTO 0x10
500#define PCIS_CRYPTO_NETCOMP 0x00
501#define PCIS_CRYPTO_ENTERTAIN 0x10
502#define PCIS_CRYPTO_OTHER 0x80
503
504#define PCIC_DASP 0x11
505#define PCIS_DASP_DPIO 0x00
506#define PCIS_DASP_PERFCNTRS 0x01
507#define PCIS_DASP_COMM_SYNC 0x10
508#define PCIS_DASP_MGMT_CARD 0x20
509#define PCIS_DASP_OTHER 0x80
510
511#define PCIC_ACCEL 0x12
512#define PCIS_ACCEL_PROCESSING 0x00
513
514#define PCIC_INSTRUMENT 0x13
515
516#define PCIC_OTHER 0xff
517
518/* Bridge Control Values. */
519#define PCIB_BCR_PERR_ENABLE 0x0001
520#define PCIB_BCR_SERR_ENABLE 0x0002
521#define PCIB_BCR_ISA_ENABLE 0x0004
522#define PCIB_BCR_VGA_ENABLE 0x0008
523#define PCIB_BCR_MASTER_ABORT_MODE 0x0020
524#define PCIB_BCR_SECBUS_RESET 0x0040
525#define PCIB_BCR_SECBUS_BACKTOBACK 0x0080
526#define PCIB_BCR_PRI_DISCARD_TIMEOUT 0x0100
527#define PCIB_BCR_SEC_DISCARD_TIMEOUT 0x0200
528#define PCIB_BCR_DISCARD_TIMER_STATUS 0x0400
529#define PCIB_BCR_DISCARD_TIMER_SERREN 0x0800
530
531#define CBB_BCR_PERR_ENABLE 0x0001
532#define CBB_BCR_SERR_ENABLE 0x0002
533#define CBB_BCR_ISA_ENABLE 0x0004
534#define CBB_BCR_VGA_ENABLE 0x0008
535#define CBB_BCR_MASTER_ABORT_MODE 0x0020
536#define CBB_BCR_CARDBUS_RESET 0x0040
537#define CBB_BCR_IREQ_INT_ENABLE 0x0080
538#define CBB_BCR_PREFETCH_0_ENABLE 0x0100
539#define CBB_BCR_PREFETCH_1_ENABLE 0x0200
540#define CBB_BCR_WRITE_POSTING_ENABLE 0x0400
541
542/* PCI power manangement */
543#define PCIR_POWER_CAP 0x2
544#define PCIM_PCAP_SPEC 0x0007
545#define PCIM_PCAP_PMEREQCLK 0x0008
546#define PCIM_PCAP_DEVSPECINIT 0x0020
547#define PCIM_PCAP_AUXPWR_0 0x0000
548#define PCIM_PCAP_AUXPWR_55 0x0040
549#define PCIM_PCAP_AUXPWR_100 0x0080
550#define PCIM_PCAP_AUXPWR_160 0x00c0
551#define PCIM_PCAP_AUXPWR_220 0x0100
552#define PCIM_PCAP_AUXPWR_270 0x0140
553#define PCIM_PCAP_AUXPWR_320 0x0180
554#define PCIM_PCAP_AUXPWR_375 0x01c0
555#define PCIM_PCAP_AUXPWRMASK 0x01c0
556#define PCIM_PCAP_D1SUPP 0x0200
557#define PCIM_PCAP_D2SUPP 0x0400
558#define PCIM_PCAP_D0PME 0x0800
559#define PCIM_PCAP_D1PME 0x1000
560#define PCIM_PCAP_D2PME 0x2000
561#define PCIM_PCAP_D3PME_HOT 0x4000
562#define PCIM_PCAP_D3PME_COLD 0x8000
563
564#define PCIR_POWER_STATUS 0x4
565#define PCIM_PSTAT_D0 0x0000
566#define PCIM_PSTAT_D1 0x0001
567#define PCIM_PSTAT_D2 0x0002
568#define PCIM_PSTAT_D3 0x0003
569#define PCIM_PSTAT_DMASK 0x0003
570#define PCIM_PSTAT_NOSOFTRESET 0x0008
571#define PCIM_PSTAT_PMEENABLE 0x0100
572#define PCIM_PSTAT_D0POWER 0x0000
573#define PCIM_PSTAT_D1POWER 0x0200
574#define PCIM_PSTAT_D2POWER 0x0400
575#define PCIM_PSTAT_D3POWER 0x0600
576#define PCIM_PSTAT_D0HEAT 0x0800
577#define PCIM_PSTAT_D1HEAT 0x0a00
578#define PCIM_PSTAT_D2HEAT 0x0c00
579#define PCIM_PSTAT_D3HEAT 0x0e00
580#define PCIM_PSTAT_DATASELMASK 0x1e00
581#define PCIM_PSTAT_DATAUNKN 0x0000
582#define PCIM_PSTAT_DATADIV10 0x2000
583#define PCIM_PSTAT_DATADIV100 0x4000
584#define PCIM_PSTAT_DATADIV1000 0x6000
585#define PCIM_PSTAT_DATADIVMASK 0x6000
586#define PCIM_PSTAT_PME 0x8000
587
588#define PCIR_POWER_BSE 0x6
589#define PCIM_PMCSR_BSE_D3B3 0x00
590#define PCIM_PMCSR_BSE_D3B2 0x40
591#define PCIM_PMCSR_BSE_BPCCE 0x80
592
593#define PCIR_POWER_DATA 0x7
594
595/* VPD capability registers */
596#define PCIR_VPD_ADDR 0x2
597#define PCIR_VPD_DATA 0x4
598
599/* PCI Message Signalled Interrupts (MSI) */
600#define PCIR_MSI_CTRL 0x2
601#define PCIM_MSICTRL_VECTOR 0x0100
602#define PCIM_MSICTRL_64BIT 0x0080
603#define PCIM_MSICTRL_MME_MASK 0x0070
604#define PCIM_MSICTRL_MME_1 0x0000
605#define PCIM_MSICTRL_MME_2 0x0010
606#define PCIM_MSICTRL_MME_4 0x0020
607#define PCIM_MSICTRL_MME_8 0x0030
608#define PCIM_MSICTRL_MME_16 0x0040
609#define PCIM_MSICTRL_MME_32 0x0050
610#define PCIM_MSICTRL_MMC_MASK 0x000E
611#define PCIM_MSICTRL_MMC_1 0x0000
612#define PCIM_MSICTRL_MMC_2 0x0002
613#define PCIM_MSICTRL_MMC_4 0x0004
614#define PCIM_MSICTRL_MMC_8 0x0006
615#define PCIM_MSICTRL_MMC_16 0x0008
616#define PCIM_MSICTRL_MMC_32 0x000A
617#define PCIM_MSICTRL_MSI_ENABLE 0x0001
618#define PCIR_MSI_ADDR 0x4
619#define PCIR_MSI_ADDR_HIGH 0x8
620#define PCIR_MSI_DATA 0x8
621#define PCIR_MSI_DATA_64BIT 0xc
622#define PCIR_MSI_MASK 0x10
623#define PCIR_MSI_PENDING 0x14
624
625/* PCI Enhanced Allocation registers */
626#define PCIR_EA_NUM_ENT 2 /* Number of Capability Entries */
627#define PCIM_EA_NUM_ENT_MASK 0x3f /* Num Entries Mask */
628#define PCIR_EA_FIRST_ENT 4 /* First EA Entry in List */
629#define PCIR_EA_FIRST_ENT_BRIDGE 8 /* First EA Entry for Bridges */
630#define PCIM_EA_ES 0x00000007 /* Entry Size */
631#define PCIM_EA_BEI 0x000000f0 /* BAR Equivalent Indicator */
632#define PCIM_EA_BEI_OFFSET 4
633/* 0-5 map to BARs 0-5 respectively */
634#define PCIM_EA_BEI_BAR_0 0
635#define PCIM_EA_BEI_BAR_5 5
636#define PCIM_EA_BEI_BAR(x) (((x) >> PCIM_EA_BEI_OFFSET) & 0xf)
637#define PCIM_EA_BEI_BRIDGE 0x6 /* Resource behind bridge */
638#define PCIM_EA_BEI_ENI 0x7 /* Equivalent Not Indicated */
639#define PCIM_EA_BEI_ROM 0x8 /* Expansion ROM */
640/* 9-14 map to VF BARs 0-5 respectively */
641#define PCIM_EA_BEI_VF_BAR_0 9
642#define PCIM_EA_BEI_VF_BAR_5 14
643#define PCIM_EA_BEI_RESERVED 0xf /* Reserved - Treat like ENI */
644#define PCIM_EA_PP 0x0000ff00 /* Primary Properties */
645#define PCIM_EA_PP_OFFSET 8
646#define PCIM_EA_SP_OFFSET 16
647#define PCIM_EA_SP 0x00ff0000 /* Secondary Properties */
648#define PCIM_EA_P_MEM 0x00 /* Non-Prefetch Memory */
649#define PCIM_EA_P_MEM_PREFETCH 0x01 /* Prefetchable Memory */
650#define PCIM_EA_P_IO 0x02 /* I/O Space */
651#define PCIM_EA_P_VF_MEM_PREFETCH 0x03 /* VF Prefetchable Memory */
652#define PCIM_EA_P_VF_MEM 0x04 /* VF Non-Prefetch Memory */
653#define PCIM_EA_P_BRIDGE_MEM 0x05 /* Bridge Non-Prefetch Memory */
654#define PCIM_EA_P_BRIDGE_MEM_PREFETCH 0x06 /* Bridge Prefetchable Memory */
655#define PCIM_EA_P_BRIDGE_IO 0x07 /* Bridge I/O Space */
656/* 0x08-0xfc reserved */
657#define PCIM_EA_P_MEM_RESERVED 0xfd /* Reserved Memory */
658#define PCIM_EA_P_IO_RESERVED 0xfe /* Reserved I/O Space */
659#define PCIM_EA_P_UNAVAILABLE 0xff /* Entry Unavailable */
660#define PCIM_EA_WRITABLE 0x40000000 /* Writable: 1 = RW, 0 = HwInit */
661#define PCIM_EA_ENABLE 0x80000000 /* Enable for this entry */
662#define PCIM_EA_BASE 4 /* Base Address Offset */
663#define PCIM_EA_MAX_OFFSET 8 /* MaxOffset (resource length) */
664/* bit 0 is reserved */
665#define PCIM_EA_IS_64 0x00000002 /* 64-bit field flag */
666#define PCIM_EA_FIELD_MASK 0xfffffffc /* For Base & Max Offset */
667/* Bridge config register */
668#define PCIM_EA_SEC_NR(reg) ((reg) & 0xff)
669#define PCIM_EA_SUB_NR(reg) (((reg) >> 8) & 0xff)
670
671/* PCI-X definitions */
672
673/* For header type 0 devices */
674#define PCIXR_COMMAND 0x2
675#define PCIXM_COMMAND_DPERR_E 0x0001 /* Data Parity Error Recovery */
676#define PCIXM_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */
677#define PCIXM_COMMAND_MAX_READ 0x000c /* Maximum Burst Read Count */
678#define PCIXM_COMMAND_MAX_READ_512 0x0000
679#define PCIXM_COMMAND_MAX_READ_1024 0x0004
680#define PCIXM_COMMAND_MAX_READ_2048 0x0008
681#define PCIXM_COMMAND_MAX_READ_4096 0x000c
682#define PCIXM_COMMAND_MAX_SPLITS 0x0070 /* Maximum Split Transactions */
683#define PCIXM_COMMAND_MAX_SPLITS_1 0x0000
684#define PCIXM_COMMAND_MAX_SPLITS_2 0x0010
685#define PCIXM_COMMAND_MAX_SPLITS_3 0x0020
686#define PCIXM_COMMAND_MAX_SPLITS_4 0x0030
687#define PCIXM_COMMAND_MAX_SPLITS_8 0x0040
688#define PCIXM_COMMAND_MAX_SPLITS_12 0x0050
689#define PCIXM_COMMAND_MAX_SPLITS_16 0x0060
690#define PCIXM_COMMAND_MAX_SPLITS_32 0x0070
691#define PCIXM_COMMAND_VERSION 0x3000
692#define PCIXR_STATUS 0x4
693#define PCIXM_STATUS_DEVFN 0x000000FF
694#define PCIXM_STATUS_BUS 0x0000FF00
695#define PCIXM_STATUS_64BIT 0x00010000
696#define PCIXM_STATUS_133CAP 0x00020000
697#define PCIXM_STATUS_SC_DISCARDED 0x00040000
698#define PCIXM_STATUS_UNEXP_SC 0x00080000
699#define PCIXM_STATUS_COMPLEX_DEV 0x00100000
700#define PCIXM_STATUS_MAX_READ 0x00600000
701#define PCIXM_STATUS_MAX_READ_512 0x00000000
702#define PCIXM_STATUS_MAX_READ_1024 0x00200000
703#define PCIXM_STATUS_MAX_READ_2048 0x00400000
704#define PCIXM_STATUS_MAX_READ_4096 0x00600000
705#define PCIXM_STATUS_MAX_SPLITS 0x03800000
706#define PCIXM_STATUS_MAX_SPLITS_1 0x00000000
707#define PCIXM_STATUS_MAX_SPLITS_2 0x00800000
708#define PCIXM_STATUS_MAX_SPLITS_3 0x01000000
709#define PCIXM_STATUS_MAX_SPLITS_4 0x01800000
710#define PCIXM_STATUS_MAX_SPLITS_8 0x02000000
711#define PCIXM_STATUS_MAX_SPLITS_12 0x02800000
712#define PCIXM_STATUS_MAX_SPLITS_16 0x03000000
713#define PCIXM_STATUS_MAX_SPLITS_32 0x03800000
714#define PCIXM_STATUS_MAX_CUM_READ 0x1C000000
715#define PCIXM_STATUS_RCVD_SC_ERR 0x20000000
716#define PCIXM_STATUS_266CAP 0x40000000
717#define PCIXM_STATUS_533CAP 0x80000000
718
719/* For header type 1 devices (PCI-X bridges) */
720#define PCIXR_SEC_STATUS 0x2
721#define PCIXM_SEC_STATUS_64BIT 0x0001
722#define PCIXM_SEC_STATUS_133CAP 0x0002
723#define PCIXM_SEC_STATUS_SC_DISC 0x0004
724#define PCIXM_SEC_STATUS_UNEXP_SC 0x0008
725#define PCIXM_SEC_STATUS_SC_OVERRUN 0x0010
726#define PCIXM_SEC_STATUS_SR_DELAYED 0x0020
727#define PCIXM_SEC_STATUS_BUS_MODE 0x03c0
728#define PCIXM_SEC_STATUS_VERSION 0x3000
729#define PCIXM_SEC_STATUS_266CAP 0x4000
730#define PCIXM_SEC_STATUS_533CAP 0x8000
731#define PCIXR_BRIDGE_STATUS 0x4
732#define PCIXM_BRIDGE_STATUS_DEVFN 0x000000FF
733#define PCIXM_BRIDGE_STATUS_BUS 0x0000FF00
734#define PCIXM_BRIDGE_STATUS_64BIT 0x00010000
735#define PCIXM_BRIDGE_STATUS_133CAP 0x00020000
736#define PCIXM_BRIDGE_STATUS_SC_DISCARDED 0x00040000
737#define PCIXM_BRIDGE_STATUS_UNEXP_SC 0x00080000
738#define PCIXM_BRIDGE_STATUS_SC_OVERRUN 0x00100000
739#define PCIXM_BRIDGE_STATUS_SR_DELAYED 0x00200000
740#define PCIXM_BRIDGE_STATUS_DEVID_MSGCAP 0x20000000
741#define PCIXM_BRIDGE_STATUS_266CAP 0x40000000
742#define PCIXM_BRIDGE_STATUS_533CAP 0x80000000
743
744/* HT (HyperTransport) Capability definitions */
745#define PCIR_HT_COMMAND 0x2
746#define PCIM_HTCMD_CAP_MASK 0xf800 /* Capability type. */
747#define PCIM_HTCAP_SLAVE 0x0000 /* 000xx */
748#define PCIM_HTCAP_HOST 0x2000 /* 001xx */
749#define PCIM_HTCAP_SWITCH 0x4000 /* 01000 */
750#define PCIM_HTCAP_INTERRUPT 0x8000 /* 10000 */
751#define PCIM_HTCAP_REVISION_ID 0x8800 /* 10001 */
752#define PCIM_HTCAP_UNITID_CLUMPING 0x9000 /* 10010 */
753#define PCIM_HTCAP_EXT_CONFIG_SPACE 0x9800 /* 10011 */
754#define PCIM_HTCAP_ADDRESS_MAPPING 0xa000 /* 10100 */
755#define PCIM_HTCAP_MSI_MAPPING 0xa800 /* 10101 */
756#define PCIM_HTCAP_DIRECT_ROUTE 0xb000 /* 10110 */
757#define PCIM_HTCAP_VCSET 0xb800 /* 10111 */
758#define PCIM_HTCAP_RETRY_MODE 0xc000 /* 11000 */
759#define PCIM_HTCAP_X86_ENCODING 0xc800 /* 11001 */
760#define PCIM_HTCAP_GEN3 0xd000 /* 11010 */
761#define PCIM_HTCAP_FLE 0xd800 /* 11011 */
762#define PCIM_HTCAP_PM 0xe000 /* 11100 */
763#define PCIM_HTCAP_HIGH_NODE_COUNT 0xe800 /* 11101 */
764
765/* HT MSI Mapping Capability definitions. */
766#define PCIM_HTCMD_MSI_ENABLE 0x0001
767#define PCIM_HTCMD_MSI_FIXED 0x0002
768#define PCIR_HTMSI_ADDRESS_LO 0x4
769#define PCIR_HTMSI_ADDRESS_HI 0x8
770
771/* PCI Vendor capability definitions */
772#define PCIR_VENDOR_LENGTH 0x2
773#define PCIR_VENDOR_DATA 0x3
774
775/* PCI Device capability definitions */
776#define PCIR_DEVICE_LENGTH 0x2
777
778/* PCI EHCI Debug Port definitions */
779#define PCIR_DEBUG_PORT 0x2
780#define PCIM_DEBUG_PORT_OFFSET 0x1FFF
781#define PCIM_DEBUG_PORT_BAR 0xe000
782
783/* PCI-PCI Bridge Subvendor definitions */
784#define PCIR_SUBVENDCAP_ID 0x4
785
786/* PCI Express definitions */
787#define PCIER_FLAGS 0x2
788#define PCIEM_FLAGS_VERSION 0x000F
789#define PCIEM_FLAGS_TYPE 0x00F0
790#define PCIEM_TYPE_ENDPOINT 0x0000
791#define PCIEM_TYPE_LEGACY_ENDPOINT 0x0010
792#define PCIEM_TYPE_ROOT_PORT 0x0040
793#define PCIEM_TYPE_UPSTREAM_PORT 0x0050
794#define PCIEM_TYPE_DOWNSTREAM_PORT 0x0060
795#define PCIEM_TYPE_PCI_BRIDGE 0x0070
796#define PCIEM_TYPE_PCIE_BRIDGE 0x0080
797#define PCIEM_TYPE_ROOT_INT_EP 0x0090
798#define PCIEM_TYPE_ROOT_EC 0x00a0
799#define PCIEM_FLAGS_SLOT 0x0100
800#define PCIEM_FLAGS_IRQ 0x3e00
801#define PCIER_DEVICE_CAP 0x4
802#define PCIEM_CAP_MAX_PAYLOAD 0x00000007
803#define PCIEM_CAP_PHANTHOM_FUNCS 0x00000018
804#define PCIEM_CAP_EXT_TAG_FIELD 0x00000020
805#define PCIEM_CAP_L0S_LATENCY 0x000001c0
806#define PCIEM_CAP_L1_LATENCY 0x00000e00
807#define PCIEM_CAP_ROLE_ERR_RPT 0x00008000
808#define PCIEM_CAP_SLOT_PWR_LIM_VAL 0x03fc0000
809#define PCIEM_CAP_SLOT_PWR_LIM_SCALE 0x0c000000
810#define PCIEM_CAP_FLR 0x10000000
811#define PCIER_DEVICE_CTL 0x8
812#define PCIEM_CTL_COR_ENABLE 0x0001
813#define PCIEM_CTL_NFER_ENABLE 0x0002
814#define PCIEM_CTL_FER_ENABLE 0x0004
815#define PCIEM_CTL_URR_ENABLE 0x0008
816#define PCIEM_CTL_RELAXED_ORD_ENABLE 0x0010
817#define PCIEM_CTL_MAX_PAYLOAD 0x00e0
818#define PCIEM_CTL_EXT_TAG_FIELD 0x0100
819#define PCIEM_CTL_PHANTHOM_FUNCS 0x0200
820#define PCIEM_CTL_AUX_POWER_PM 0x0400
821#define PCIEM_CTL_NOSNOOP_ENABLE 0x0800
822#define PCIEM_CTL_MAX_READ_REQUEST 0x7000
823#define PCIEM_CTL_BRDG_CFG_RETRY 0x8000 /* PCI-E - PCI/PCI-X bridges */
824#define PCIEM_CTL_INITIATE_FLR 0x8000 /* FLR capable endpoints */
825#define PCIER_DEVICE_STA 0xa
826#define PCIEM_STA_CORRECTABLE_ERROR 0x0001
827#define PCIEM_STA_NON_FATAL_ERROR 0x0002
828#define PCIEM_STA_FATAL_ERROR 0x0004
829#define PCIEM_STA_UNSUPPORTED_REQ 0x0008
830#define PCIEM_STA_AUX_POWER 0x0010
831#define PCIEM_STA_TRANSACTION_PND 0x0020
832#define PCIER_LINK_CAP 0xc
833#define PCIEM_LINK_CAP_MAX_SPEED 0x0000000f
834#define PCIEM_LINK_CAP_MAX_WIDTH 0x000003f0
835#define PCIEM_LINK_CAP_ASPM 0x00000c00
836#define PCIEM_LINK_CAP_L0S_EXIT 0x00007000
837#define PCIEM_LINK_CAP_L1_EXIT 0x00038000
838#define PCIEM_LINK_CAP_CLOCK_PM 0x00040000
839#define PCIEM_LINK_CAP_SURPRISE_DOWN 0x00080000
840#define PCIEM_LINK_CAP_DL_ACTIVE 0x00100000
841#define PCIEM_LINK_CAP_LINK_BW_NOTIFY 0x00200000
842#define PCIEM_LINK_CAP_ASPM_COMPLIANCE 0x00400000
843#define PCIEM_LINK_CAP_PORT 0xff000000
844#define PCIER_LINK_CTL 0x10
845#define PCIEM_LINK_CTL_ASPMC_DIS 0x0000
846#define PCIEM_LINK_CTL_ASPMC_L0S 0x0001
847#define PCIEM_LINK_CTL_ASPMC_L1 0x0002
848#define PCIEM_LINK_CTL_ASPMC 0x0003
849#define PCIEM_LINK_CTL_RCB 0x0008
850#define PCIEM_LINK_CTL_LINK_DIS 0x0010
851#define PCIEM_LINK_CTL_RETRAIN_LINK 0x0020
852#define PCIEM_LINK_CTL_COMMON_CLOCK 0x0040
853#define PCIEM_LINK_CTL_EXTENDED_SYNC 0x0080
854#define PCIEM_LINK_CTL_ECPM 0x0100
855#define PCIEM_LINK_CTL_HAWD 0x0200
856#define PCIEM_LINK_CTL_LBMIE 0x0400
857#define PCIEM_LINK_CTL_LABIE 0x0800
858#define PCIER_LINK_STA 0x12
859#define PCIEM_LINK_STA_SPEED 0x000f
860#define PCIEM_LINK_STA_WIDTH 0x03f0
861#define PCIEM_LINK_STA_TRAINING_ERROR 0x0400
862#define PCIEM_LINK_STA_TRAINING 0x0800
863#define PCIEM_LINK_STA_SLOT_CLOCK 0x1000
864#define PCIEM_LINK_STA_DL_ACTIVE 0x2000
865#define PCIEM_LINK_STA_LINK_BW_MGMT 0x4000
866#define PCIEM_LINK_STA_LINK_AUTO_BW 0x8000
867#define PCIER_SLOT_CAP 0x14
868#define PCIEM_SLOT_CAP_APB 0x00000001
869#define PCIEM_SLOT_CAP_PCP 0x00000002
870#define PCIEM_SLOT_CAP_MRLSP 0x00000004
871#define PCIEM_SLOT_CAP_AIP 0x00000008
872#define PCIEM_SLOT_CAP_PIP 0x00000010
873#define PCIEM_SLOT_CAP_HPS 0x00000020
874#define PCIEM_SLOT_CAP_HPC 0x00000040
875#define PCIEM_SLOT_CAP_SPLV 0x00007f80
876#define PCIEM_SLOT_CAP_SPLS 0x00018000
877#define PCIEM_SLOT_CAP_EIP 0x00020000
878#define PCIEM_SLOT_CAP_NCCS 0x00040000
879#define PCIEM_SLOT_CAP_PSN 0xfff80000
880#define PCIER_SLOT_CTL 0x18
881#define PCIEM_SLOT_CTL_ABPE 0x0001
882#define PCIEM_SLOT_CTL_PFDE 0x0002
883#define PCIEM_SLOT_CTL_MRLSCE 0x0004
884#define PCIEM_SLOT_CTL_PDCE 0x0008
885#define PCIEM_SLOT_CTL_CCIE 0x0010
886#define PCIEM_SLOT_CTL_HPIE 0x0020
887#define PCIEM_SLOT_CTL_AIC 0x00c0
888#define PCIEM_SLOT_CTL_AI_ON 0x0040
889#define PCIEM_SLOT_CTL_AI_BLINK 0x0080
890#define PCIEM_SLOT_CTL_AI_OFF 0x00c0
891#define PCIEM_SLOT_CTL_PIC 0x0300
892#define PCIEM_SLOT_CTL_PI_ON 0x0100
893#define PCIEM_SLOT_CTL_PI_BLINK 0x0200
894#define PCIEM_SLOT_CTL_PI_OFF 0x0300
895#define PCIEM_SLOT_CTL_PCC 0x0400
896#define PCIEM_SLOT_CTL_PC_ON 0x0000
897#define PCIEM_SLOT_CTL_PC_OFF 0x0400
898#define PCIEM_SLOT_CTL_EIC 0x0800
899#define PCIEM_SLOT_CTL_DLLSCE 0x1000
900#define PCIER_SLOT_STA 0x1a
901#define PCIEM_SLOT_STA_ABP 0x0001
902#define PCIEM_SLOT_STA_PFD 0x0002
903#define PCIEM_SLOT_STA_MRLSC 0x0004
904#define PCIEM_SLOT_STA_PDC 0x0008
905#define PCIEM_SLOT_STA_CC 0x0010
906#define PCIEM_SLOT_STA_MRLSS 0x0020
907#define PCIEM_SLOT_STA_PDS 0x0040
908#define PCIEM_SLOT_STA_EIS 0x0080
909#define PCIEM_SLOT_STA_DLLSC 0x0100
910#define PCIER_ROOT_CTL 0x1c
911#define PCIEM_ROOT_CTL_SERR_CORR 0x0001
912#define PCIEM_ROOT_CTL_SERR_NONFATAL 0x0002
913#define PCIEM_ROOT_CTL_SERR_FATAL 0x0004
914#define PCIEM_ROOT_CTL_PME 0x0008
915#define PCIEM_ROOT_CTL_CRS_VIS 0x0010
916#define PCIER_ROOT_CAP 0x1e
917#define PCIEM_ROOT_CAP_CRS_VIS 0x0001
918#define PCIER_ROOT_STA 0x20
919#define PCIEM_ROOT_STA_PME_REQID_MASK 0x0000ffff
920#define PCIEM_ROOT_STA_PME_STATUS 0x00010000
921#define PCIEM_ROOT_STA_PME_PEND 0x00020000
922#define PCIER_DEVICE_CAP2 0x24
923#define PCIEM_CAP2_COMP_TIMO_RANGES 0x0000000f
924#define PCIEM_CAP2_COMP_TIMO_RANGE_A 0x00000001
925#define PCIEM_CAP2_COMP_TIMO_RANGE_B 0x00000002
926#define PCIEM_CAP2_COMP_TIMO_RANGE_C 0x00000004
927#define PCIEM_CAP2_COMP_TIMO_RANGE_D 0x00000008
928#define PCIEM_CAP2_COMP_TIMO_DISABLE 0x00000010
929#define PCIEM_CAP2_ARI 0x00000020
930#define PCIER_DEVICE_CTL2 0x28
931#define PCIEM_CTL2_COMP_TIMO_VAL 0x000f
932#define PCIEM_CTL2_COMP_TIMO_50MS 0x0000
933#define PCIEM_CTL2_COMP_TIMO_100US 0x0001
934#define PCIEM_CTL2_COMP_TIMO_10MS 0x0002
935#define PCIEM_CTL2_COMP_TIMO_55MS 0x0005
936#define PCIEM_CTL2_COMP_TIMO_210MS 0x0006
937#define PCIEM_CTL2_COMP_TIMO_900MS 0x0009
938#define PCIEM_CTL2_COMP_TIMO_3500MS 0x000a
939#define PCIEM_CTL2_COMP_TIMO_13S 0x000d
940#define PCIEM_CTL2_COMP_TIMO_64S 0x000e
941#define PCIEM_CTL2_COMP_TIMO_DISABLE 0x0010
942#define PCIEM_CTL2_ARI 0x0020
943#define PCIEM_CTL2_ATOMIC_REQ_ENABLE 0x0040
944#define PCIEM_CTL2_ATOMIC_EGR_BLOCK 0x0080
945#define PCIEM_CTL2_ID_ORDERED_REQ_EN 0x0100
946#define PCIEM_CTL2_ID_ORDERED_CMP_EN 0x0200
947#define PCIEM_CTL2_LTR_ENABLE 0x0400
948#define PCIEM_CTL2_OBFF 0x6000
949#define PCIEM_OBFF_DISABLE 0x0000
950#define PCIEM_OBFF_MSGA_ENABLE 0x2000
951#define PCIEM_OBFF_MSGB_ENABLE 0x4000
952#define PCIEM_OBFF_WAKE_ENABLE 0x6000
953#define PCIEM_CTL2_END2END_TLP 0x8000
954#define PCIER_DEVICE_STA2 0x2a
955#define PCIER_LINK_CAP2 0x2c
956#define PCIER_LINK_CTL2 0x30
957#define PCIER_LINK_STA2 0x32
958#define PCIER_SLOT_CAP2 0x34
959#define PCIER_SLOT_CTL2 0x38
960#define PCIER_SLOT_STA2 0x3a
961
962/* MSI-X definitions */
963#define PCIR_MSIX_CTRL 0x2
964#define PCIM_MSIXCTRL_MSIX_ENABLE 0x8000
965#define PCIM_MSIXCTRL_FUNCTION_MASK 0x4000
966#define PCIM_MSIXCTRL_TABLE_SIZE 0x07FF
967#define PCIR_MSIX_TABLE 0x4
968#define PCIR_MSIX_PBA 0x8
969#define PCIM_MSIX_BIR_MASK 0x7
970#define PCIM_MSIX_BIR_BAR_10 0
971#define PCIM_MSIX_BIR_BAR_14 1
972#define PCIM_MSIX_BIR_BAR_18 2
973#define PCIM_MSIX_BIR_BAR_1C 3
974#define PCIM_MSIX_BIR_BAR_20 4
975#define PCIM_MSIX_BIR_BAR_24 5
976#define PCIM_MSIX_VCTRL_MASK 0x1
977
978/* PCI Advanced Features definitions */
979#define PCIR_PCIAF_CAP 0x3
980#define PCIM_PCIAFCAP_TP 0x01
981#define PCIM_PCIAFCAP_FLR 0x02
982#define PCIR_PCIAF_CTRL 0x4
983#define PCIR_PCIAFCTRL_FLR 0x01
984#define PCIR_PCIAF_STATUS 0x5
985#define PCIR_PCIAFSTATUS_TP 0x01
986
987/* Advanced Error Reporting */
988#define PCIR_AER_UC_STATUS 0x04
989#define PCIM_AER_UC_TRAINING_ERROR 0x00000001
990#define PCIM_AER_UC_DL_PROTOCOL_ERROR 0x00000010
991#define PCIM_AER_UC_SURPRISE_LINK_DOWN 0x00000020
992#define PCIM_AER_UC_POISONED_TLP 0x00001000
993#define PCIM_AER_UC_FC_PROTOCOL_ERROR 0x00002000
994#define PCIM_AER_UC_COMPLETION_TIMEOUT 0x00004000
995#define PCIM_AER_UC_COMPLETER_ABORT 0x00008000
996#define PCIM_AER_UC_UNEXPECTED_COMPLETION 0x00010000
997#define PCIM_AER_UC_RECEIVER_OVERFLOW 0x00020000
998#define PCIM_AER_UC_MALFORMED_TLP 0x00040000
999#define PCIM_AER_UC_ECRC_ERROR 0x00080000
1000#define PCIM_AER_UC_UNSUPPORTED_REQUEST 0x00100000
1001#define PCIM_AER_UC_ACS_VIOLATION 0x00200000
1002#define PCIM_AER_UC_INTERNAL_ERROR 0x00400000
1003#define PCIM_AER_UC_MC_BLOCKED_TLP 0x00800000
1004#define PCIM_AER_UC_ATOMIC_EGRESS_BLK 0x01000000
1005#define PCIM_AER_UC_TLP_PREFIX_BLOCKED 0x02000000
1006#define PCIR_AER_UC_MASK 0x08 /* Shares bits with UC_STATUS */
1007#define PCIR_AER_UC_SEVERITY 0x0c /* Shares bits with UC_STATUS */
1008#define PCIR_AER_COR_STATUS 0x10
1009#define PCIM_AER_COR_RECEIVER_ERROR 0x00000001
1010#define PCIM_AER_COR_BAD_TLP 0x00000040
1011#define PCIM_AER_COR_BAD_DLLP 0x00000080
1012#define PCIM_AER_COR_REPLAY_ROLLOVER 0x00000100
1013#define PCIM_AER_COR_REPLAY_TIMEOUT 0x00001000
1014#define PCIM_AER_COR_ADVISORY_NF_ERROR 0x00002000
1015#define PCIM_AER_COR_INTERNAL_ERROR 0x00004000
1016#define PCIM_AER_COR_HEADER_LOG_OVFLOW 0x00008000
1017#define PCIR_AER_COR_MASK 0x14 /* Shares bits with COR_STATUS */
1018#define PCIR_AER_CAP_CONTROL 0x18
1019#define PCIM_AER_FIRST_ERROR_PTR 0x0000001f
1020#define PCIM_AER_ECRC_GEN_CAPABLE 0x00000020
1021#define PCIM_AER_ECRC_GEN_ENABLE 0x00000040
1022#define PCIM_AER_ECRC_CHECK_CAPABLE 0x00000080
1023#define PCIM_AER_ECRC_CHECK_ENABLE 0x00000100
1024#define PCIM_AER_MULT_HDR_CAPABLE 0x00000200
1025#define PCIM_AER_MULT_HDR_ENABLE 0x00000400
1026#define PCIM_AER_TLP_PREFIX_LOG_PRESENT 0x00000800
1027#define PCIR_AER_HEADER_LOG 0x1c
1028#define PCIR_AER_ROOTERR_CMD 0x2c /* Only for root complex ports */
1029#define PCIM_AER_ROOTERR_COR_ENABLE 0x00000001
1030#define PCIM_AER_ROOTERR_NF_ENABLE 0x00000002
1031#define PCIM_AER_ROOTERR_F_ENABLE 0x00000004
1032#define PCIR_AER_ROOTERR_STATUS 0x30 /* Only for root complex ports */
1033#define PCIM_AER_ROOTERR_COR_ERR 0x00000001
1034#define PCIM_AER_ROOTERR_MULTI_COR_ERR 0x00000002
1035#define PCIM_AER_ROOTERR_UC_ERR 0x00000004
1036#define PCIM_AER_ROOTERR_MULTI_UC_ERR 0x00000008
1037#define PCIM_AER_ROOTERR_FIRST_UC_FATAL 0x00000010
1038#define PCIM_AER_ROOTERR_NF_ERR 0x00000020
1039#define PCIM_AER_ROOTERR_F_ERR 0x00000040
1040#define PCIM_AER_ROOTERR_INT_MESSAGE 0xf8000000
1041#define PCIR_AER_COR_SOURCE_ID 0x34 /* Only for root complex ports */
1042#define PCIR_AER_ERR_SOURCE_ID 0x36 /* Only for root complex ports */
1043#define PCIR_AER_TLP_PREFIX_LOG 0x38 /* Only for TLP prefix functions */
1044
1045/* Virtual Channel definitions */
1046#define PCIR_VC_CAP1 0x04
1047#define PCIM_VC_CAP1_EXT_COUNT 0x00000007
1048#define PCIM_VC_CAP1_LOWPRI_EXT_COUNT 0x00000070
1049#define PCIR_VC_CAP2 0x08
1050#define PCIR_VC_CONTROL 0x0C
1051#define PCIR_VC_STATUS 0x0E
1052#define PCIR_VC_RESOURCE_CAP(n) (0x10 + (n) * 0x0C)
1053#define PCIR_VC_RESOURCE_CTL(n) (0x14 + (n) * 0x0C)
1054#define PCIR_VC_RESOURCE_STA(n) (0x18 + (n) * 0x0C)
1055
1056/* Serial Number definitions */
1057#define PCIR_SERIAL_LOW 0x04
1058#define PCIR_SERIAL_HIGH 0x08
1059
1060/* SR-IOV definitions */
1061#define PCIR_SRIOV_CTL 0x08
1062#define PCIM_SRIOV_VF_EN 0x01
1063#define PCIM_SRIOV_VF_MSE 0x08 /* Memory space enable. */
1064#define PCIM_SRIOV_ARI_EN 0x10
1065#define PCIR_SRIOV_TOTAL_VFS 0x0E
1066#define PCIR_SRIOV_NUM_VFS 0x10
1067#define PCIR_SRIOV_VF_OFF 0x14
1068#define PCIR_SRIOV_VF_STRIDE 0x16
1069#define PCIR_SRIOV_VF_DID 0x1A
1070#define PCIR_SRIOV_PAGE_CAP 0x1C
1071#define PCIR_SRIOV_PAGE_SIZE 0x20
1072
1073#define PCI_SRIOV_BASE_PAGE_SHIFT 12
1074
1075#define PCIR_SRIOV_BARS 0x24
1076#define PCIR_SRIOV_BAR(x) (PCIR_SRIOV_BARS + (x) * 4)
1077
1078/* Extended Capability Vendor-Specific definitions */
1079#define PCIR_VSEC_HEADER 0x04
1080#define PCIR_VSEC_ID(hdr) ((hdr) & 0xffff)
1081#define PCIR_VSEC_REV(hdr) (((hdr) & 0xf0000) >> 16)
1082#define PCIR_VSEC_LENGTH(hdr) (((hdr) & 0xfff00000) >> 20)
1083#define PCIR_VSEC_DATA 0x08
1084
1085/*
1086 * PCI Express Firmware Interface definitions
1087 */
1088#define PCI_OSC_STATUS 0
1089#define PCI_OSC_SUPPORT 1
1090#define PCIM_OSC_SUPPORT_EXT_PCI_CONF 0x01 /* Extended PCI Config Space */
1091#define PCIM_OSC_SUPPORT_ASPM 0x02 /* Active State Power Management */
1092#define PCIM_OSC_SUPPORT_CPMC 0x04 /* Clock Power Management Cap */
1093#define PCIM_OSC_SUPPORT_SEG_GROUP 0x08 /* PCI Segment Groups supported */
1094#define PCIM_OSC_SUPPORT_MSI 0x10 /* MSI signalling supported */
1095#define PCI_OSC_CTL 2
1096#define PCIM_OSC_CTL_PCIE_HP 0x01 /* PCIe Native Hot Plug */
1097#define PCIM_OSC_CTL_SHPC_HP 0x02 /* SHPC Native Hot Plug */
1098#define PCIM_OSC_CTL_PCIE_PME 0x04 /* PCIe Native Power Mgt Events */
1099#define PCIM_OSC_CTL_PCIE_AER 0x08 /* PCIe Advanced Error Reporting */
1100#define PCIM_OSC_CTL_PCIE_CAP_STRUCT 0x10 /* Various Capability Structures */