diff options
| author | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2015-07-29 17:08:47 +0000 |
|---|---|---|
| committer | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2015-07-29 17:08:47 +0000 |
| commit | 4df4f6feefca62a30287f98f59a6d83e202639a5 (patch) | |
| tree | 8d1abd6a76100036f25bbf4b28e0c65e4a4f6264 /sys/dev/pv/pvbus.c | |
| parent | 1ae76c11b6e0dbda601282548a24121929c872df (diff) | |
Determine and print Xen hypervisor version.
ok reyk, with deraadt@'s permission
Diffstat (limited to 'sys/dev/pv/pvbus.c')
| -rw-r--r-- | sys/dev/pv/pvbus.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/sys/dev/pv/pvbus.c b/sys/dev/pv/pvbus.c index 4ee70ddede5..3871aa4c6b8 100644 --- a/sys/dev/pv/pvbus.c +++ b/sys/dev/pv/pvbus.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pvbus.c,v 1.4 2015/07/28 09:48:52 reyk Exp $ */ +/* $OpenBSD: pvbus.c,v 1.5 2015/07/29 17:08:46 mikeb Exp $ */ /* * Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org> @@ -51,6 +51,7 @@ int pvbus_search(struct device *, void *, void *); void pvbus_kvm(struct pvbus_softc *, struct pvbus_hv *); void pvbus_hyperv(struct pvbus_softc *, struct pvbus_hv *); +void pvbus_xen(struct pvbus_softc *, struct pvbus_hv *); struct cfattach pvbus_ca = { sizeof(struct pvbus_softc), @@ -74,7 +75,7 @@ struct pvbus_type { { "KVMKVMKVM\0\0\0", "KVM", pvbus_kvm }, { "Microsoft Hv", "Hyper-V", pvbus_hyperv }, { "VMwareVMware", "VMware", NULL }, - { "XenVMMXenVMM", "Xen", NULL }, + { "XenVMMXenVMM", "Xen", pvbus_xen }, { "bhyve bhyve ", "bhyve", NULL } }; @@ -219,3 +220,16 @@ pvbus_hyperv(struct pvbus_softc *sc, struct pvbus_hv *hv) HYPERV_VERSION_EBX_MINOR_S, regs[0]); } + +void +pvbus_xen(struct pvbus_softc *sc, struct pvbus_hv *hv) +{ + uint32_t regs[4]; + + CPUID(hv->hv_base + CPUID_OFFSET_XEN_VERSION, + regs[0], regs[1], regs[2], regs[3]); + hv->hv_version = regs[0]; + + printf(" %u.%u", regs[0] >> XEN_VERSION_MAJOR_S, + regs[0] & XEN_VERSION_MINOR_M); +} |