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| author | Corvin Köhne <CorvinK@beckhoff.com> | 2021-11-22 15:27:33 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2021-11-22 15:27:33 +0000 |
| commit | fe66bcf9ff8623bf69a183c9eb8c5ce72cce7db6 (patch) | |
| tree | 8f1b3930230c1ff34b559e6791fab556e7da4dd7 | |
| parent | 2eb2079554f4d54c4283410b4ee1aca549b29616 (diff) | |
| download | src-fe66bcf9ff8623bf69a183c9eb8c5ce72cce7db6.tar.gz src-fe66bcf9ff8623bf69a183c9eb8c5ce72cce7db6.zip | |
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
| -rw-r--r-- | usr.sbin/bhyve/pci_passthru.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/usr.sbin/bhyve/pci_passthru.c b/usr.sbin/bhyve/pci_passthru.c index ed5d880ea8d1..9ad19f440e37 100644 --- a/usr.sbin/bhyve/pci_passthru.c +++ b/usr.sbin/bhyve/pci_passthru.c @@ -744,7 +744,8 @@ 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 |