Differential D40987 Diff 128252 usr.sbin/bhyve/amd64/bhyverun_machdep.c

Changeset View

Standalone View

usr.sbin/bhyve/amd64/bhyverun_machdep.c

This file was added.

				/*-
				* SPDX-License-Identifier: BSD-2-Clause
				*
				* Copyright (c) 2011 NetApp, Inc.
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
				* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
				* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*/

				#include <assert.h>
				#include <err.h>
				#include <stdbool.h>
				#include <stdlib.h>

				#include <vmmapi.h>

				#include "bhyverun.h"
				#include "config.h"
				#include "pci_lpc.h"

				void
				bhyve_init_config(void)
				{
				init_config();

				/* Set default values prior to option parsing. */
				set_config_bool("acpi_tables", true);
				set_config_bool("acpi_tables_in_memory", true);
				set_config_value("memory.size", "256M");
				set_config_bool("x86.strictmsr", true);
				set_config_value("lpc.fwcfg", "bhyve");
				}

				void
				bhyve_init_vcpu(struct vcpu *vcpu)
				{
				int err, tmp;

				if (get_config_bool_default("x86.vmexit_on_hlt", false)) {
				err = vm_get_capability(vcpu, VM_CAP_HALT_EXIT, &tmp);
				if (err < 0) {
				fprintf(stderr, "VM exit on HLT not supported\n");
				exit(4);
				}
				vm_set_capability(vcpu, VM_CAP_HALT_EXIT, 1);
				}

				if (get_config_bool_default("x86.vmexit_on_pause", false)) {
				/*
				* pause exit support required for this mode
				*/
				err = vm_get_capability(vcpu, VM_CAP_PAUSE_EXIT, &tmp);
				if (err < 0) {
				fprintf(stderr,
				"SMP mux requested, no pause support\n");
				exit(4);
				}
				vm_set_capability(vcpu, VM_CAP_PAUSE_EXIT, 1);
				}

				if (get_config_bool_default("x86.x2apic", false))
				err = vm_set_x2apic_state(vcpu, X2APIC_ENABLED);
				else
				err = vm_set_x2apic_state(vcpu, X2APIC_DISABLED);

				if (err) {
				fprintf(stderr, "Unable to set x2apic state (%d)\n", err);
				exit(4);
				}

				vm_set_capability(vcpu, VM_CAP_ENABLE_INVPCID, 1);

				err = vm_set_capability(vcpu, VM_CAP_IPI_EXIT, 1);
				assert(err == 0);
				}

				void
				bhyve_start_vcpu(struct vcpu *vcpu, bool bsp)
				{
				int error;

				if (bsp) {
				if (lpc_bootrom()) {
				error = vm_set_capability(vcpu,
				VM_CAP_UNRESTRICTED_GUEST, 1);
				if (error != 0) {
				err(4, "ROM boot failed: unrestricted guest "
				"capability not available");
				}
				error = vcpu_reset(vcpu);
				assert(error == 0);
				}
				} else {
				bhyve_init_vcpu(vcpu);

				/*
				* Enable the 'unrestricted guest' mode for APs.
				*
				* APs startup in power-on 16-bit mode.
				*/
				error = vm_set_capability(vcpu, VM_CAP_UNRESTRICTED_GUEST, 1);
				assert(error == 0);
				}

				fbsdrun_addcpu(vcpu_id(vcpu));
				}