diff options
Diffstat (limited to 'sys/kern/subr_param.c')
| -rw-r--r-- | sys/kern/subr_param.c | 67 |
1 files changed, 8 insertions, 59 deletions
diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c index d16f2dc4f113..95f3250ee235 100644 --- a/sys/kern/subr_param.c +++ b/sys/kern/subr_param.c @@ -99,7 +99,11 @@ pid_t pid_max = PID_MAX; long maxswzone; /* max swmeta KVA storage */ long maxbcache; /* max buffer cache KVA storage */ long maxpipekva; /* Limit on pipe KVA */ -int vm_guest; /* Running as virtual machine guest? */ +#ifdef XEN +int vm_guest = VM_GUEST_XEN; +#else +int vm_guest = VM_GUEST_NO; /* Running as virtual machine guest? */ +#endif u_long maxtsiz; /* max text size */ u_long dfldsiz; /* initial data size limit */ u_long maxdsiz; /* max data size */ @@ -136,7 +140,7 @@ SYSCTL_ULONG(_kern, OID_AUTO, sgrowsiz, CTLFLAG_RWTUN | CTLFLAG_NOFETCH, &sgrows "Amount to grow stack on a stack fault"); SYSCTL_PROC(_kern, OID_AUTO, vm_guest, CTLFLAG_RD | CTLTYPE_STRING, NULL, 0, sysctl_kern_vm_guest, "A", - "Virtual machine guest detected? (none|generic|xen)"); + "Virtual machine guest detected?"); /* * These have to be allocated somewhere; allocating @@ -154,73 +158,18 @@ static const char *const vm_guest_sysctl_names[] = { "generic", "xen", "hv", + "vmware", NULL }; CTASSERT(nitems(vm_guest_sysctl_names) - 1 == VM_LAST); -#ifndef XEN -static const char *const vm_bnames[] = { - "QEMU", /* QEMU */ - "Plex86", /* Plex86 */ - "Bochs", /* Bochs */ - "Xen", /* Xen */ - "BHYVE", /* bhyve */ - "Seabios", /* KVM */ - NULL -}; - -static const char *const vm_pnames[] = { - "VMware Virtual Platform", /* VMWare VM */ - "Virtual Machine", /* Microsoft VirtualPC */ - "VirtualBox", /* Sun xVM VirtualBox */ - "Parallels Virtual Platform", /* Parallels VM */ - "KVM", /* KVM */ - NULL -}; - - -/* - * Detect known Virtual Machine hosts by inspecting the emulated BIOS. - */ -static enum VM_GUEST -detect_virtual(void) -{ - char *sysenv; - int i; - - sysenv = kern_getenv("smbios.bios.vendor"); - if (sysenv != NULL) { - for (i = 0; vm_bnames[i] != NULL; i++) - if (strcmp(sysenv, vm_bnames[i]) == 0) { - freeenv(sysenv); - return (VM_GUEST_VM); - } - freeenv(sysenv); - } - sysenv = kern_getenv("smbios.system.product"); - if (sysenv != NULL) { - for (i = 0; vm_pnames[i] != NULL; i++) - if (strcmp(sysenv, vm_pnames[i]) == 0) { - freeenv(sysenv); - return (VM_GUEST_VM); - } - freeenv(sysenv); - } - return (VM_GUEST_NO); -} -#endif - /* * Boot time overrides that are not scaled against main memory */ void init_param1(void) { -#ifndef XEN - vm_guest = detect_virtual(); -#else - vm_guest = VM_GUEST_XEN; -#endif + hz = -1; TUNABLE_INT_FETCH("kern.hz", &hz); if (hz == -1) |