Add a bhyve_options configuration setting to allow custom bhyve(8) arguments

Author: churchers

lib/vm-run

@@ -39,7 +39,7 @@ vm::run(){
     local _guest_support _uefi _uuid _utc _debug _hostbridge _loader
     local _opts _devices _slot=4 _func=0 _taplist _exit _passdev
     local _com _comports _comstring _logpath="/dev/null" _bootrom _run=1
-    local _ignore_msr
+    local _ignore_msr _bhyve_options
 
     # try to load datstore details
     datastore::get_guest "${_name}" || exit 5
@@ -60,6 +60,7 @@ vm::run(){
     config::get "_utc" "utctime" "no"
     config::get "_debug" "debug" "no"
     config::get "_ignore_msr" "ignore_bad_msr" "no"
+    config::get "_bhyve_options" "bhyve_options"
 
     util::log_rotate "guest" "${_name}"
     util::log "guest" "${_name}" "initialising"
@@ -140,6 +141,9 @@ vm::run(){
         fi
     fi
 
+    # add any custom bhyve options
+    [ -n "${_bhyve_options}" ] && _opts="${_opts} ${_bhyve_options}"
+
     # if we have passthru, check vt-d support now and exit
     config::get "_passdev" "passthru0"
 

sample-templates/config.sample

@@ -59,6 +59,11 @@ memory="512M"
 #
 ignore_bad_msr="no"
 
+# bhyve_options
+# any additional bhyve command line options
+#
+bhyve_options="-p 1:1"
+
 # hostbridge
 # Allows you to specify the type of hostbridge to use for the
 # guest hardware. This can usually be left as default. The

vm

@@ -25,7 +25,7 @@
 # POSSIBILITY OF SUCH DAMAGE.
 
 VERSION=1.1-p8
-VERSION_INT=101072
+VERSION_INT=101073
 VERSION_BSD=$(uname -K)
 PATH=${PATH}:/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/sbin
 

vm.8

@@ -945,6 +945,10 @@ to configure
 .Xr bhyve 8
 to ignore accesses to unimplemented model specific registers. This is commonly required
 on AMD processors, although is enabled by default for UEFI guests.
+.It bhyve_options
+Specify any additional command line arguments to pass to the bhyve command. This allows
+the use of options such as cpu pinning or debug that are not exposed by
+.Sy vm-bhyve .
 .It grub_installX
 This option allows you to specify grub commands needed to boot the install media for
 this guest.