/* $NetBSD: cpu_ucode.h,v 1.5 2022/09/15 14:34:22 msaitoh Exp $ */

/* $NetBSD: cpu_ucode.h,v 1.5 2022/09/15 14:34:22 msaitoh Exp $ */
/*
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christoph Egger.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#ifndef _X86_CPU_UCODE_H_
#define _X86_CPU_UCODE_H_

#define CPU_UCODE_LOADER_AMD 0
struct cpu_ucode_version_amd {
uint64_t version;
};

#define CPU_UCODE_LOADER_INTEL1 1
struct cpu_ucode_version_intel1 {
uint32_t ucodeversion;
int platformid;
};

#ifdef _KERNEL
#include <sys/cpu.h>
#include <sys/cpuio.h>
#include <dev/firmload.h>

int cpu_ucode_amd_get_version(struct cpu_ucode_version *, void *, size_t);
int cpu_ucode_amd_firmware_open(firmware_handle_t *, const char *);
int cpu_ucode_amd_apply(struct cpu_ucode_softc *, int);

int cpu_ucode_intel_get_version(struct cpu_ucode_version *, void *, size_t);
int cpu_ucode_intel_firmware_open(firmware_handle_t *, const char *);
int cpu_ucode_intel_apply(struct cpu_ucode_softc *, int);
#endif /* _KERNEL */

struct intel1_ucode_header {
uint32_t uh_header_ver;
uint32_t uh_rev;
uint32_t uh_date;
uint32_t uh_signature;
uint32_t uh_checksum;
uint32_t uh_loader_rev;
uint32_t uh_proc_flags;
uint32_t uh_data_size;
uint32_t uh_total_size;
uint32_t uh_reserved[3];
};

struct intel1_ucode_ext_table {
uint32_t uet_count;
uint32_t uet_checksum;
uint32_t uet_reserved[3];
};

struct intel1_ucode_proc_signature {
uint32_t ups_signature;
uint32_t ups_proc_flags;
uint32_t ups_checksum;
};

#endif