2 * The PCI Utilities -- Show Extended Capabilities
4 * Copyright (c) 1997--2010 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
15 cap_tph(struct device
*d
, int where
)
18 printf("Transaction Processing Hints\n");
22 if (!config_fetch(d
, where
+ PCI_TPH_CAPABILITIES
, 4))
25 tph_cap
= get_conf_long(d
, where
+ PCI_TPH_CAPABILITIES
);
27 if (tph_cap
& PCI_TPH_INTVEC_SUP
)
28 printf("\t\tInterrupt vector mode supported\n");
29 if (tph_cap
& PCI_TPH_DEV_SUP
)
30 printf("\t\tDevice specific mode supported\n");
31 if (tph_cap
& PCI_TPH_EXT_REQ_SUP
)
32 printf("\t\tExtended requester support\n");
34 switch (tph_cap
& PCI_TPH_ST_LOC_MASK
) {
36 printf("\t\tNo steering table available\n");
39 printf("\t\tSteering table in TPH capability structure\n");
42 printf("\t\tSteering table in MSI-X table\n");
45 printf("\t\tReserved steering table location\n");
51 cap_ltr_scale(u8 scale
)
53 return 1 << (scale
* 5);
57 cap_ltr(struct device
*d
, int where
)
61 printf("Latency Tolerance Reporting\n");
65 if (!config_fetch(d
, where
+ PCI_LTR_MAX_SNOOP
, 4))
68 snoop
= get_conf_word(d
, where
+ PCI_LTR_MAX_SNOOP
);
69 scale
= cap_ltr_scale((snoop
>> PCI_LTR_SCALE_SHIFT
) & PCI_LTR_SCALE_MASK
);
70 printf("\t\tMax snoop latency: %lldns\n",
71 ((unsigned long long)snoop
& PCI_LTR_VALUE_MASK
) * scale
);
73 nosnoop
= get_conf_word(d
, where
+ PCI_LTR_MAX_NOSNOOP
);
74 scale
= cap_ltr_scale((nosnoop
>> PCI_LTR_SCALE_SHIFT
) & PCI_LTR_SCALE_MASK
);
75 printf("\t\tMax no snoop latency: %lldns\n",
76 ((unsigned long long)nosnoop
& PCI_LTR_VALUE_MASK
) * scale
);
80 cap_dsn(struct device
*d
, int where
)
83 if (!config_fetch(d
, where
+ 4, 8))
85 t1
= get_conf_long(d
, where
+ 4);
86 t2
= get_conf_long(d
, where
+ 8);
87 printf("Device Serial Number %02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\n",
88 t2
>> 24, (t2
>> 16) & 0xff, (t2
>> 8) & 0xff, t2
& 0xff,
89 t1
>> 24, (t1
>> 16) & 0xff, (t1
>> 8) & 0xff, t1
& 0xff);
93 cap_aer(struct device
*d
, int where
)
97 printf("Advanced Error Reporting\n");
101 if (!config_fetch(d
, where
+ PCI_ERR_UNCOR_STATUS
, 24))
104 l
= get_conf_long(d
, where
+ PCI_ERR_UNCOR_STATUS
);
105 printf("\t\tUESta:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
106 "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
107 FLAG(l
, PCI_ERR_UNC_DLP
), FLAG(l
, PCI_ERR_UNC_SDES
), FLAG(l
, PCI_ERR_UNC_POISON_TLP
),
108 FLAG(l
, PCI_ERR_UNC_FCP
), FLAG(l
, PCI_ERR_UNC_COMP_TIME
), FLAG(l
, PCI_ERR_UNC_COMP_ABORT
),
109 FLAG(l
, PCI_ERR_UNC_UNX_COMP
), FLAG(l
, PCI_ERR_UNC_RX_OVER
), FLAG(l
, PCI_ERR_UNC_MALF_TLP
),
110 FLAG(l
, PCI_ERR_UNC_ECRC
), FLAG(l
, PCI_ERR_UNC_UNSUP
), FLAG(l
, PCI_ERR_UNC_ACS_VIOL
));
111 l
= get_conf_long(d
, where
+ PCI_ERR_UNCOR_MASK
);
112 printf("\t\tUEMsk:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
113 "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
114 FLAG(l
, PCI_ERR_UNC_DLP
), FLAG(l
, PCI_ERR_UNC_SDES
), FLAG(l
, PCI_ERR_UNC_POISON_TLP
),
115 FLAG(l
, PCI_ERR_UNC_FCP
), FLAG(l
, PCI_ERR_UNC_COMP_TIME
), FLAG(l
, PCI_ERR_UNC_COMP_ABORT
),
116 FLAG(l
, PCI_ERR_UNC_UNX_COMP
), FLAG(l
, PCI_ERR_UNC_RX_OVER
), FLAG(l
, PCI_ERR_UNC_MALF_TLP
),
117 FLAG(l
, PCI_ERR_UNC_ECRC
), FLAG(l
, PCI_ERR_UNC_UNSUP
), FLAG(l
, PCI_ERR_UNC_ACS_VIOL
));
118 l
= get_conf_long(d
, where
+ PCI_ERR_UNCOR_SEVER
);
119 printf("\t\tUESvrt:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c "
120 "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n",
121 FLAG(l
, PCI_ERR_UNC_DLP
), FLAG(l
, PCI_ERR_UNC_SDES
), FLAG(l
, PCI_ERR_UNC_POISON_TLP
),
122 FLAG(l
, PCI_ERR_UNC_FCP
), FLAG(l
, PCI_ERR_UNC_COMP_TIME
), FLAG(l
, PCI_ERR_UNC_COMP_ABORT
),
123 FLAG(l
, PCI_ERR_UNC_UNX_COMP
), FLAG(l
, PCI_ERR_UNC_RX_OVER
), FLAG(l
, PCI_ERR_UNC_MALF_TLP
),
124 FLAG(l
, PCI_ERR_UNC_ECRC
), FLAG(l
, PCI_ERR_UNC_UNSUP
), FLAG(l
, PCI_ERR_UNC_ACS_VIOL
));
125 l
= get_conf_long(d
, where
+ PCI_ERR_COR_STATUS
);
126 printf("\t\tCESta:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c NonFatalErr%c\n",
127 FLAG(l
, PCI_ERR_COR_RCVR
), FLAG(l
, PCI_ERR_COR_BAD_TLP
), FLAG(l
, PCI_ERR_COR_BAD_DLLP
),
128 FLAG(l
, PCI_ERR_COR_REP_ROLL
), FLAG(l
, PCI_ERR_COR_REP_TIMER
), FLAG(l
, PCI_ERR_COR_REP_ANFE
));
129 l
= get_conf_long(d
, where
+ PCI_ERR_COR_MASK
);
130 printf("\t\tCEMsk:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c NonFatalErr%c\n",
131 FLAG(l
, PCI_ERR_COR_RCVR
), FLAG(l
, PCI_ERR_COR_BAD_TLP
), FLAG(l
, PCI_ERR_COR_BAD_DLLP
),
132 FLAG(l
, PCI_ERR_COR_REP_ROLL
), FLAG(l
, PCI_ERR_COR_REP_TIMER
), FLAG(l
, PCI_ERR_COR_REP_ANFE
));
133 l
= get_conf_long(d
, where
+ PCI_ERR_CAP
);
134 printf("\t\tAERCap:\tFirst Error Pointer: %02x, GenCap%c CGenEn%c ChkCap%c ChkEn%c\n",
135 PCI_ERR_CAP_FEP(l
), FLAG(l
, PCI_ERR_CAP_ECRC_GENC
), FLAG(l
, PCI_ERR_CAP_ECRC_GENE
),
136 FLAG(l
, PCI_ERR_CAP_ECRC_CHKC
), FLAG(l
, PCI_ERR_CAP_ECRC_CHKE
));
141 cap_acs(struct device
*d
, int where
)
145 printf("Access Control Services\n");
149 if (!config_fetch(d
, where
+ PCI_ACS_CAP
, 4))
152 w
= get_conf_word(d
, where
+ PCI_ACS_CAP
);
153 printf("\t\tACSCap:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c "
155 FLAG(w
, PCI_ACS_CAP_VALID
), FLAG(w
, PCI_ACS_CAP_BLOCK
), FLAG(w
, PCI_ACS_CAP_REQ_RED
),
156 FLAG(w
, PCI_ACS_CAP_CMPLT_RED
), FLAG(w
, PCI_ACS_CAP_FORWARD
), FLAG(w
, PCI_ACS_CAP_EGRESS
),
157 FLAG(w
, PCI_ACS_CAP_TRANS
));
158 w
= get_conf_word(d
, where
+ PCI_ACS_CTRL
);
159 printf("\t\tACSCtl:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c "
161 FLAG(w
, PCI_ACS_CTRL_VALID
), FLAG(w
, PCI_ACS_CTRL_BLOCK
), FLAG(w
, PCI_ACS_CTRL_REQ_RED
),
162 FLAG(w
, PCI_ACS_CTRL_CMPLT_RED
), FLAG(w
, PCI_ACS_CTRL_FORWARD
), FLAG(w
, PCI_ACS_CTRL_EGRESS
),
163 FLAG(w
, PCI_ACS_CTRL_TRANS
));
167 cap_ari(struct device
*d
, int where
)
171 printf("Alternative Routing-ID Interpretation (ARI)\n");
175 if (!config_fetch(d
, where
+ PCI_ARI_CAP
, 4))
178 w
= get_conf_word(d
, where
+ PCI_ARI_CAP
);
179 printf("\t\tARICap:\tMFVC%c ACS%c, Next Function: %d\n",
180 FLAG(w
, PCI_ARI_CAP_MFVC
), FLAG(w
, PCI_ARI_CAP_ACS
),
182 w
= get_conf_word(d
, where
+ PCI_ARI_CTRL
);
183 printf("\t\tARICtl:\tMFVC%c ACS%c, Function Group: %d\n",
184 FLAG(w
, PCI_ARI_CTRL_MFVC
), FLAG(w
, PCI_ARI_CTRL_ACS
),
189 cap_ats(struct device
*d
, int where
)
193 printf("Address Translation Service (ATS)\n");
197 if (!config_fetch(d
, where
+ PCI_ATS_CAP
, 4))
200 w
= get_conf_word(d
, where
+ PCI_ATS_CAP
);
201 printf("\t\tATSCap:\tInvalidate Queue Depth: %02x\n", PCI_ATS_CAP_IQD(w
));
202 w
= get_conf_word(d
, where
+ PCI_ATS_CTRL
);
203 printf("\t\tATSCtl:\tEnable%c, Smallest Translation Unit: %02x\n",
204 FLAG(w
, PCI_ATS_CTRL_ENABLE
), PCI_ATS_CTRL_STU(w
));
208 cap_sriov(struct device
*d
, int where
)
215 printf("Single Root I/O Virtualization (SR-IOV)\n");
219 if (!config_fetch(d
, where
+ PCI_IOV_CAP
, 0x3c))
222 l
= get_conf_long(d
, where
+ PCI_IOV_CAP
);
223 printf("\t\tIOVCap:\tMigration%c, Interrupt Message Number: %03x\n",
224 FLAG(l
, PCI_IOV_CAP_VFM
), PCI_IOV_CAP_IMN(l
));
225 w
= get_conf_word(d
, where
+ PCI_IOV_CTRL
);
226 printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c\n",
227 FLAG(w
, PCI_IOV_CTRL_VFE
), FLAG(w
, PCI_IOV_CTRL_VFME
),
228 FLAG(w
, PCI_IOV_CTRL_VFMIE
), FLAG(w
, PCI_IOV_CTRL_MSE
),
229 FLAG(w
, PCI_IOV_CTRL_ARI
));
230 w
= get_conf_word(d
, where
+ PCI_IOV_STATUS
);
231 printf("\t\tIOVSta:\tMigration%c\n", FLAG(w
, PCI_IOV_STATUS_MS
));
232 w
= get_conf_word(d
, where
+ PCI_IOV_INITIALVF
);
233 printf("\t\tInitial VFs: %d, ", w
);
234 w
= get_conf_word(d
, where
+ PCI_IOV_TOTALVF
);
235 printf("Total VFs: %d, ", w
);
236 w
= get_conf_word(d
, where
+ PCI_IOV_NUMVF
);
237 printf("Number of VFs: %d, ", w
);
238 b
= get_conf_byte(d
, where
+ PCI_IOV_FDL
);
239 printf("Function Dependency Link: %02x\n", b
);
240 w
= get_conf_word(d
, where
+ PCI_IOV_OFFSET
);
241 printf("\t\tVF offset: %d, ", w
);
242 w
= get_conf_word(d
, where
+ PCI_IOV_STRIDE
);
243 printf("stride: %d, ", w
);
244 w
= get_conf_word(d
, where
+ PCI_IOV_DID
);
245 printf("Device ID: %04x\n", w
);
246 l
= get_conf_long(d
, where
+ PCI_IOV_SUPPS
);
247 printf("\t\tSupported Page Size: %08x, ", l
);
248 l
= get_conf_long(d
, where
+ PCI_IOV_SYSPS
);
249 printf("System Page Size: %08x\n", l
);
251 for (i
=0; i
< PCI_IOV_NUM_BAR
; i
++)
256 l
= get_conf_long(d
, where
+ PCI_IOV_BAR_BASE
+ 4*i
);
261 printf("\t\tRegion %d: Memory at ", i
);
262 addr
= l
& PCI_ADDR_MEM_MASK
;
263 type
= l
& PCI_BASE_ADDRESS_MEM_TYPE_MASK
;
264 if (type
== PCI_BASE_ADDRESS_MEM_TYPE_64
)
267 h
= get_conf_long(d
, where
+ PCI_IOV_BAR_BASE
+ (i
*4));
270 printf("%08x (%s-bit, %sprefetchable)\n",
272 (type
== PCI_BASE_ADDRESS_MEM_TYPE_32
) ? "32" : "64",
273 (l
& PCI_BASE_ADDRESS_MEM_PREFETCH
) ? "" : "non-");
276 l
= get_conf_long(d
, where
+ PCI_IOV_MSAO
);
277 printf("\t\tVF Migration: offset: %08x, BIR: %x\n", PCI_IOV_MSA_OFFSET(l
),
282 cap_vc(struct device
*d
, int where
)
289 static const char ref_clocks
[][6] = { "100ns" };
290 static const char arb_selects
[8][7] = { "Fixed", "WRR32", "WRR64", "WRR128", "??4", "??5", "??6", "??7" };
291 static const char vc_arb_selects
[8][8] = { "Fixed", "WRR32", "WRR64", "WRR128", "TWRR128", "WRR256", "??6", "??7" };
294 printf("Virtual Channel\n");
298 if (!config_fetch(d
, where
+ 4, 0x1c - 4))
301 cr1
= get_conf_long(d
, where
+ PCI_VC_PORT_REG1
);
302 cr2
= get_conf_long(d
, where
+ PCI_VC_PORT_REG2
);
303 ctrl
= get_conf_word(d
, where
+ PCI_VC_PORT_CTRL
);
304 status
= get_conf_word(d
, where
+ PCI_VC_PORT_STATUS
);
306 evc_cnt
= BITS(cr1
, 0, 3);
307 printf("\t\tCaps:\tLPEVC=%d RefClk=%s PATEntryBits=%d\n",
309 TABLE(ref_clocks
, BITS(cr1
, 8, 2), buf
),
310 1 << BITS(cr1
, 10, 2));
314 if (arb_selects
[i
][0] != '?' || cr2
& (1 << i
))
315 printf("%c%s%c", (i
? ' ' : '\t'), arb_selects
[i
], FLAG(cr2
, 1 << i
));
316 arb_table_pos
= BITS(cr2
, 24, 8);
318 printf("\n\t\tCtrl:\tArbSelect=%s\n", TABLE(arb_selects
, BITS(ctrl
, 1, 3), buf
));
319 printf("\t\tStatus:\tInProgress%c\n", FLAG(status
, 1));
323 arb_table_pos
= where
+ 16*arb_table_pos
;
324 printf("\t\tPort Arbitration Table [%x] <?>\n", arb_table_pos
);
327 for (i
=0; i
<=evc_cnt
; i
++)
329 int pos
= where
+ PCI_VC_RES_CAP
+ 12*i
;
334 printf("\t\tVC%d:\t", i
);
335 if (!config_fetch(d
, pos
, 12))
337 printf("<unreadable>\n");
340 rcap
= get_conf_long(d
, pos
);
341 rctrl
= get_conf_long(d
, pos
+4);
342 rstatus
= get_conf_word(d
, pos
+10);
344 pat_pos
= BITS(rcap
, 24, 8);
345 printf("Caps:\tPATOffset=%02x MaxTimeSlots=%d RejSnoopTrans%c\n",
347 BITS(rcap
, 16, 6) + 1,
348 FLAG(rcap
, 1 << 15));
350 printf("\t\t\tArb:");
352 if (vc_arb_selects
[j
][0] != '?' || rcap
& (1 << j
))
353 printf("%c%s%c", (j
? ' ' : '\t'), vc_arb_selects
[j
], FLAG(rcap
, 1 << j
));
355 printf("\n\t\t\tCtrl:\tEnable%c ID=%d ArbSelect=%s TC/VC=%02x\n",
356 FLAG(rctrl
, 1 << 31),
358 TABLE(vc_arb_selects
, BITS(rctrl
, 17, 3), buf
),
361 printf("\t\t\tStatus:\tNegoPending%c InProgress%c\n",
366 printf("\t\t\tPort Arbitration Table <?>\n");
371 cap_rclink(struct device
*d
, int where
)
376 static const char elt_types
[][9] = { "Config", "Egress", "Internal" };
379 printf("Root Complex Link\n");
383 if (!config_fetch(d
, where
+ 4, PCI_RCLINK_LINK1
- 4))
386 esd
= get_conf_long(d
, where
+ PCI_RCLINK_ESD
);
387 num_links
= BITS(esd
, 8, 8);
388 printf("\t\tDesc:\tPortNumber=%02x ComponentID=%02x EltType=%s\n",
391 TABLE(elt_types
, BITS(esd
, 0, 8), buf
));
393 for (i
=0; i
<num_links
; i
++)
395 int pos
= where
+ PCI_RCLINK_LINK1
+ i
*PCI_RCLINK_LINK_SIZE
;
397 u32 addr_lo
, addr_hi
;
399 printf("\t\tLink%d:\t", i
);
400 if (!config_fetch(d
, pos
, PCI_RCLINK_LINK_SIZE
))
402 printf("<unreadable>\n");
405 desc
= get_conf_long(d
, pos
+ PCI_RCLINK_LINK_DESC
);
406 addr_lo
= get_conf_long(d
, pos
+ PCI_RCLINK_LINK_ADDR
);
407 addr_hi
= get_conf_long(d
, pos
+ PCI_RCLINK_LINK_ADDR
+ 4);
409 printf("Desc:\tTargetPort=%02x TargetComponent=%02x AssocRCRB%c LinkType=%s LinkValid%c\n",
413 ((desc
& 2) ? "Config" : "MemMapped"),
421 printf("\t\t\tAddr:\t%02x:%02x.%d CfgSpace=%08x%08x\n",
422 BITS(addr_lo
, 20, n
),
423 BITS(addr_lo
, 15, 5),
424 BITS(addr_lo
, 12, 3),
428 printf("\t\t\tAddr:\t%08x%08x\n", addr_hi
, addr_lo
);
433 cap_evendor(struct device
*d
, int where
)
437 printf("Vendor Specific Information: ");
438 if (!config_fetch(d
, where
+ PCI_EVNDR_HEADER
, 4))
440 printf("<unreadable>\n");
444 hdr
= get_conf_long(d
, where
+ PCI_EVNDR_HEADER
);
445 printf("ID=%04x Rev=%d Len=%03x <?>\n",
452 cap_l1pm(struct device
*d
, int where
)
457 printf("L1 PM Substates\n");
462 if (!config_fetch(d
, where
+ 4, 4))
464 printf("\t\t<unreadable>\n");
468 l1_cap
= get_conf_long(d
, where
+ 4);
469 printf("\t\tL1SubCap: ");
470 printf("PCI-PM_L1.2%c, PCI-PM_L1.1%c, ASPM_L1.2%c, ASPM_L1.1%c, L1_PM_Substates%c\n",
477 if (BITS(l1_cap
, 0, 1) || BITS(l1_cap
, 2, 1))
479 printf("\t\t\t PortCommonModeRestoreTime=%dus, ",
482 power_on_scale
= BITS(l1_cap
, 16, 2);
484 printf("PortTPowerOnTime=");
485 switch (power_on_scale
)
488 printf("%dus\n", BITS(l1_cap
, 19, 5) * 2);
491 printf("%dus\n", BITS(l1_cap
, 19, 5) * 10);
494 printf("%dus\n", BITS(l1_cap
, 19, 5) * 100);
504 show_ext_caps(struct device
*d
)
507 char been_there
[0x1000];
508 memset(been_there
, 0, 0x1000);
514 if (!config_fetch(d
, where
, 4))
516 header
= get_conf_long(d
, where
);
519 id
= header
& 0xffff;
520 version
= (header
>> 16) & 0xf;
521 printf("\tCapabilities: [%03x", where
);
523 printf(" v%d", version
);
525 if (been_there
[where
]++)
527 printf("<chain looped>\n");
532 case PCI_EXT_CAP_ID_AER
:
535 case PCI_EXT_CAP_ID_VC
:
536 case PCI_EXT_CAP_ID_VC2
:
539 case PCI_EXT_CAP_ID_DSN
:
542 case PCI_EXT_CAP_ID_PB
:
543 printf("Power Budgeting <?>\n");
545 case PCI_EXT_CAP_ID_RCLINK
:
546 cap_rclink(d
, where
);
548 case PCI_EXT_CAP_ID_RCILINK
:
549 printf("Root Complex Internal Link <?>\n");
551 case PCI_EXT_CAP_ID_RCECOLL
:
552 printf("Root Complex Event Collector <?>\n");
554 case PCI_EXT_CAP_ID_MFVC
:
555 printf("Multi-Function Virtual Channel <?>\n");
557 case PCI_EXT_CAP_ID_RBCB
:
558 printf("Root Bridge Control Block <?>\n");
560 case PCI_EXT_CAP_ID_VNDR
:
561 cap_evendor(d
, where
);
563 case PCI_EXT_CAP_ID_ACS
:
566 case PCI_EXT_CAP_ID_ARI
:
569 case PCI_EXT_CAP_ID_ATS
:
572 case PCI_EXT_CAP_ID_SRIOV
:
575 case PCI_EXT_CAP_ID_TPH
:
578 case PCI_EXT_CAP_ID_LTR
:
581 case PCI_EXT_CAP_ID_L1PM
:
585 printf("#%02x\n", id
);
588 where
= (header
>> 20) & ~3;