1 /*        $NetBSD: pcireg.h,v 1.172 2024/12/31 14:00:35 skrll 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 
53 typedef uint16_t pci_vendor_id_t;
54 typedef uint16_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 
132 typedef uint8_t pci_class_t;
133 typedef uint8_t pci_subclass_t;
134 typedef uint8_t pci_interface_t;
135 typedef uint8_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
1260 struct 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 
1305 typedef uint8_t pci_intr_latency_t;
1306 typedef uint8_t pci_intr_grant_t;
1307 typedef uint8_t pci_intr_pin_t;
1308 typedef uint8_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  */
1439 struct pci_vpd_smallres {
1440           uint8_t             vpdres_byte0;                 /* length of data + tag */
1441           /* Actual data. */
1442 } __packed;
1443 
1444 struct 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 
1465 struct 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 
1503 struct 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 
1511 struct 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      /* Resource for VF use. Mem. Non-Pref */
1967 #define  PCI_EA_PROP_VF_MEM_PREF        0x04      /* Resource 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 Status */
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_ */
2278