sys/arch/x86/include/cpu_ucode.h

   1 /* $NetBSD: cpu_ucode.h,v 1.2 2012/08/29 17:13:22 drochner Exp $ */
   2 /*
   3  * Copyright (c) 2012 The NetBSD Foundation, Inc.
   4  * All rights reserved.
   5  *
   6  * This code is derived from software contributed to The NetBSD Foundation
   7  * by Christoph Egger.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef _X86_CPU_UCODE_H_
  32 #define _X86_CPU_UCODE_H_
  33
  34 #define CPU_UCODE_LOADER_AMD 0
  35 struct cpu_ucode_version_amd {
  36         uint64_t version;
  37 };
  38
  39 #define CPU_UCODE_LOADER_INTEL1 1
  40 struct cpu_ucode_version_intel1 {
  41         uint32_t ucodeversion;
  42         int platformid;
  43 };
  44
  45 #ifdef _KERNEL
  46 #include <sys/cpu.h>
  47 #include <sys/cpuio.h>
  48 #include <dev/firmload.h>
  49
  50 int cpu_ucode_amd_get_version(struct cpu_ucode_version *);
  51 /* XXX COMPAT */
  52 int compat6_cpu_ucode_amd_get_version(struct compat6_cpu_ucode *);
  53 int cpu_ucode_amd_firmware_open(firmware_handle_t *, const char *);
  54 int cpu_ucode_amd_apply(struct cpu_ucode_softc *, int);
  55
  56 int cpu_ucode_intel_get_version(struct cpu_ucode_version *);
  57 int cpu_ucode_intel_firmware_open(firmware_handle_t *, const char *);
  58 int cpu_ucode_intel_apply(struct cpu_ucode_softc *, int);
  59 #endif /* _KERNEL */
  60
  61 struct intel1_ucode_header {
  62         uint32_t        uh_header_ver;
  63         uint32_t        uh_rev;
  64         uint32_t        uh_date;
  65         uint32_t        uh_signature;
  66         uint32_t        uh_checksum;
  67         uint32_t        uh_loader_rev;
  68         uint32_t        uh_proc_flags;
  69         uint32_t        uh_data_size;
  70         uint32_t        uh_total_size;
  71         uint32_t        uh_reserved[3];
  72 };
  73
  74 struct intel1_ucode_proc_signature {
  75         uint32_t        ups_signature;
  76         uint32_t        ups_proc_flags;
  77         uint32_t        ups_checksum;
  78 };
  79
  80 struct intel1_ucode_ext_table {
  81         uint32_t        uet_count;
  82         uint32_t        uet_checksum;
  83         uint32_t        uet_reserved[3];
  84         struct intel1_ucode_proc_signature uet_proc_sig[1];
  85 };
  86
  87 #endif