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;