Date: Fri, 22 Apr 2022 14:40:17 GMT From: =?utf-8?Q?Stefan E=C3=9Fer?= <se@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: f010b9c2b9b0 - main - pci: recognize "non-essential instrumentation" devices Message-ID: <202204221440.23MEeHAv021180@gitrepo.freebsd.org>
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The branch main has been updated by se: URL: https://cgit.FreeBSD.org/src/commit/?id=f010b9c2b9b0a550656de8a5b5ad1469630c3e2c commit f010b9c2b9b0a550656de8a5b5ad1469630c3e2c Author: John F. Carr <jfc@mit.edu> AuthorDate: 2022-04-22 14:28:34 +0000 Commit: Stefan Eßer <se@FreeBSD.org> CommitDate: 2022-04-22 14:39:23 +0000 pci: recognize "non-essential instrumentation" devices Some AMD EPYC VCPUs generated boot message of the type: pci4: <unknown> at device 0.0 (no driver attached) These are displayed for device class 0x13 devices, e.g.: none8@pci0:130:0:0: class=0x130000 rev=0x00 hdr=0x00 vendor=0x1022 \ device=0x148a subvendor=0x1022 subdevice=0x148a vendor = 'Advanced Micro Devices, Inc. [AMD]' device = 'Starship/Matisse PCIe Dummy Function' class = non-essential instrumentation Since these devices serve no purpose (no driver attaches) I have enabled the reporting of suich devices only for verbose boots (a diversion from the patch provided in the PR). A verbose boot will now display such devices as: pci4: <non-essential instrumentation> at device 0.0 (no driver attached) PR: 263469 Reported by: jfc@mit.edu (John F. Carr) MFC after: 1 week --- sys/dev/pci/pci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 535d4f6f3f3b..5a011bdd0c8f 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -5030,6 +5030,7 @@ static const struct {PCIC_DASP, PCIS_DASP_PERFCNTRS, 1, "performance counters"}, {PCIC_DASP, PCIS_DASP_COMM_SYNC, 1, "communication synchronizer"}, {PCIC_DASP, PCIS_DASP_MGMT_CARD, 1, "signal processing management"}, + {PCIC_INSTRUMENT, -1, 0, "non-essential instrumentation"}, {0, 0, 0, NULL} };
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