3f0cd58001
Use the text from the canonical sys/copyright.h 2-clause FreeBSD License. Reported by: grehan (thanks!)
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright 2020 Conrad Meyer <cem@FreeBSD.org>. 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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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 <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/uuid.h>
|
|
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <stdbool.h>
|
|
#include <unistd.h>
|
|
|
|
#include <machine/vmm.h>
|
|
#include <vmmapi.h>
|
|
|
|
#include "acpi.h"
|
|
#include "bootrom.h"
|
|
#include "vmgenc.h"
|
|
|
|
static uint64_t vmgen_gpa;
|
|
|
|
void
|
|
vmgenc_init(struct vmctx *ctx)
|
|
{
|
|
char *region;
|
|
int error;
|
|
|
|
error = bootrom_alloc(ctx, PAGE_SIZE, PROT_READ, 0, ®ion,
|
|
&vmgen_gpa);
|
|
if (error != 0)
|
|
errx(4, "%s: bootrom_alloc", __func__);
|
|
|
|
/*
|
|
* It is basically harmless to always generate a random ID when
|
|
* starting a VM.
|
|
*/
|
|
error = getentropy(region, sizeof(struct uuid));
|
|
if (error == -1)
|
|
err(4, "%s: getentropy", __func__);
|
|
|
|
/* XXX When we have suspend/resume/rollback. */
|
|
#if 0
|
|
acpi_raise_gpe(ctx, GPE_VMGENC);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
vmgenc_write_dsdt(void)
|
|
{
|
|
dsdt_line("");
|
|
dsdt_indent(1);
|
|
dsdt_line("Scope (_SB)");
|
|
dsdt_line("{");
|
|
|
|
dsdt_line(" Device (GENC)");
|
|
dsdt_line(" {");
|
|
|
|
dsdt_indent(2);
|
|
dsdt_line("Name (_CID, \"VM_Gen_Counter\")");
|
|
dsdt_line("Method (_HID, 0, NotSerialized)");
|
|
dsdt_line("{");
|
|
dsdt_line(" Return (\"Bhyve_V_Gen_Counter_V1\")");
|
|
dsdt_line("}");
|
|
dsdt_line("Name (_UID, 0)");
|
|
dsdt_line("Name (_DDN, \"VM_Gen_Counter\")");
|
|
dsdt_line("Name (ADDR, Package (0x02)");
|
|
dsdt_line("{");
|
|
dsdt_line(" 0x%08x,", (uint32_t)vmgen_gpa);
|
|
dsdt_line(" 0x%08x", (uint32_t)(vmgen_gpa >> 32));
|
|
dsdt_line("})");
|
|
|
|
dsdt_unindent(2);
|
|
dsdt_line(" }"); /* Device (GENC) */
|
|
|
|
dsdt_line("}"); /* Scope (_SB) */
|
|
dsdt_line("");
|
|
|
|
dsdt_line("Scope (_GPE)");
|
|
dsdt_line("{");
|
|
dsdt_line(" Method (_E%02x, 0, NotSerialized)", GPE_VMGENC);
|
|
dsdt_line(" {");
|
|
dsdt_line(" Notify (\\_SB.GENC, 0x80)");
|
|
dsdt_line(" }");
|
|
dsdt_line("}");
|
|
dsdt_unindent(1);
|
|
}
|