virt: detect bhyve (FreeBSD hypervisor) (#3840)

The CPUID and DMI vendor strings do not seem to be documented.
Values were found experimentally and by inspecting the source code.

diff --git a/src/basic/virt.c b/src/basic/virt.c
index 0c08201035b815eec3835cc98c442c6e26597925..0fac74253f26d6ea5462d7f418e52028cf9631f2 100644 (file)
--- a/src/basic/virt.c
+++ b/src/basic/virt.c
@@ -50,6 +50,8 @@ static int detect_vm_cpuid(void) {
                 { "VMwareVMware", VIRTUALIZATION_VMWARE    },
                 /* http://msdn.microsoft.com/en-us/library/ff542428.aspx */
                 { "Microsoft Hv", VIRTUALIZATION_MICROSOFT },
+                /* https://wiki.freebsd.org/bhyve */
+                { "bhyve bhyve ", VIRTUALIZATION_BHYVE     },
         };
 
         uint32_t eax, ecx;
@@ -179,6 +181,8 @@ static int detect_vm_dmi(void) {
                 { "Xen",           VIRTUALIZATION_XEN       },
                 { "Bochs",         VIRTUALIZATION_BOCHS     },
                 { "Parallels",     VIRTUALIZATION_PARALLELS },
+                /* https://wiki.freebsd.org/bhyve */
+                { "BHYVE",         VIRTUALIZATION_BHYVE     },
         };
         unsigned i;
         int r;
@@ -506,6 +510,7 @@ static const char *const virtualization_table[_VIRTUALIZATION_MAX] = {
         [VIRTUALIZATION_MICROSOFT] = "microsoft",
         [VIRTUALIZATION_ZVM] = "zvm",
         [VIRTUALIZATION_PARALLELS] = "parallels",
+        [VIRTUALIZATION_BHYVE] = "bhyve",
         [VIRTUALIZATION_VM_OTHER] = "vm-other",
 
         [VIRTUALIZATION_SYSTEMD_NSPAWN] = "systemd-nspawn",

diff --git a/src/basic/virt.h b/src/basic/virt.h
index 1d88ab9ab681d8bc5bcd7eeaa6fdec2e23f3fd8c..58c1f77192ae5b32556688595a7a133466412a79 100644 (file)
--- a/src/basic/virt.h
+++ b/src/basic/virt.h
@@ -37,6 +37,7 @@ enum {
         VIRTUALIZATION_MICROSOFT,
         VIRTUALIZATION_ZVM,
         VIRTUALIZATION_PARALLELS,
+        VIRTUALIZATION_BHYVE,
         VIRTUALIZATION_VM_OTHER,
         VIRTUALIZATION_VM_LAST = VIRTUALIZATION_VM_OTHER,