Date: Fri, 14 Jan 2022 14:20:43 GMT From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 16bd6661a921 - stable/13 - bhyve: emulate reads of MSI-X capabilities for passthru devices Message-ID: <202201141420.20EEKhYQ088043@gitrepo.freebsd.org>
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The branch stable/13 has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=16bd6661a9212e3efded99988e7734a3c1177de2 commit 16bd6661a9212e3efded99988e7734a3c1177de2 Author: Corvin Köhne <CorvinK@beckhoff.com> AuthorDate: 2021-11-22 15:27:33 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2022-01-14 14:18:08 +0000 bhyve: emulate reads of MSI-X capabilities for passthru devices Reads of the MSI-X capabilites aren't emulated by passthru devices yet. The guest will read the host MSI-X capabilites which could cause issues. Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D32686 Sponsored by: Beckhoff Automation GmbH & Co. KG (cherry picked from commit fe66bcf9ff8623bf69a183c9eb8c5ce72cce7db6) --- usr.sbin/bhyve/pci_passthru.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/usr.sbin/bhyve/pci_passthru.c b/usr.sbin/bhyve/pci_passthru.c index 8c48f522562d..586a2da8aa05 100644 --- a/usr.sbin/bhyve/pci_passthru.c +++ b/usr.sbin/bhyve/pci_passthru.c @@ -759,7 +759,8 @@ passthru_cfgread(struct vmctx *ctx, int vcpu, struct pci_devinst *pi, /* * PCI BARs and MSI capability is emulated. */ - if (bar_access(coff) || msicap_access(sc, coff)) + if (bar_access(coff) || msicap_access(sc, coff) || + msixcap_access(sc, coff)) return (-1); #ifdef LEGACY_SUPPORT
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