mirror of
https://git.proxmox.com/git/fwupd
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138 lines
3.1 KiB
C
138 lines
3.1 KiB
C
/*
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* Copyright (C) 2021 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include <config.h>
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#include "fu-ifd-common.h"
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/**
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* fu_ifd_region_to_string:
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* @region: A #FuIfdRegion, e.g. %FU_IFD_REGION_BIOS
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*
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* Converts a #FuIfdRegion to a string.
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*
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* Returns: identifier string
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*
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* Since: 1.6.0
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**/
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const gchar *
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fu_ifd_region_to_string (FuIfdRegion region)
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{
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if (region == FU_IFD_REGION_DESC)
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return "desc";
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if (region == FU_IFD_REGION_BIOS)
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return "bios";
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if (region == FU_IFD_REGION_ME)
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return "me";
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if (region == FU_IFD_REGION_GBE)
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return "gbe";
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if (region == FU_IFD_REGION_PLATFORM)
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return "platform";
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if (region == FU_IFD_REGION_DEVEXP)
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return "devexp";
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if (region == FU_IFD_REGION_BIOS2)
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return "bios2";
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if (region == FU_IFD_REGION_EC)
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return "ec";
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if (region == FU_IFD_REGION_IE)
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return "ie";
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if (region == FU_IFD_REGION_10GBE)
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return "10gbe";
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return NULL;
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}
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/**
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* fu_ifd_region_to_name:
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* @region: A #FuIfdRegion, e.g. %FU_IFD_REGION_BIOS
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*
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* Converts a #FuIfdRegion to a name the user might recognize.
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*
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* Returns: identifier string
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*
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* Since: 1.6.0
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**/
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const gchar *
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fu_ifd_region_to_name (FuIfdRegion region)
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{
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if (region == FU_IFD_REGION_DESC)
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return "IFD descriptor region";
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if (region == FU_IFD_REGION_BIOS)
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return "BIOS";
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if (region == FU_IFD_REGION_ME)
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return "Intel Management Engine";
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if (region == FU_IFD_REGION_GBE)
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return "Gigabit Ethernet";
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if (region == FU_IFD_REGION_PLATFORM)
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return "Platform firmware";
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if (region == FU_IFD_REGION_DEVEXP)
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return "Device Firmware";
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if (region == FU_IFD_REGION_BIOS2)
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return "BIOS Backup";
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if (region == FU_IFD_REGION_EC)
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return "Embedded Controller";
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if (region == FU_IFD_REGION_IE)
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return "Innovation Engine";
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if (region == FU_IFD_REGION_10GBE)
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return "10 Gigabit Ethernet";
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return NULL;
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}
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/**
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* fu_ifd_access_to_string:
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* @access: A #FuIfdAccess, e.g. %FU_IFD_ACCESS_READ
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*
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* Converts a #FuIfdAccess to a string.
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*
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* Returns: identifier string
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*
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* Since: 1.6.0
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**/
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const gchar *
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fu_ifd_access_to_string (FuIfdAccess access)
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{
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if (access == FU_IFD_ACCESS_NONE)
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return "--";
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if (access == FU_IFD_ACCESS_READ)
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return "ro";
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if (access == FU_IFD_ACCESS_WRITE)
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return "wr";
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if (access == (FU_IFD_ACCESS_READ | FU_IFD_ACCESS_WRITE))
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return "rw";
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return NULL;
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}
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FuIfdAccess
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fu_ifd_region_to_access (FuIfdRegion region, guint32 flash_master, gboolean is_skylake)
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{
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guint8 bit_r = 0;
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guint8 bit_w = 0;
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/* new layout */
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if (is_skylake) {
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bit_r = (flash_master >> (region + 8)) & 0b1;
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bit_w = (flash_master >> (region + 20)) & 0b1;
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return (bit_r ? FU_IFD_ACCESS_READ : FU_IFD_ACCESS_NONE) |
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(bit_w ? FU_IFD_ACCESS_WRITE : FU_IFD_ACCESS_NONE);
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}
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/* old layout */
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if (region == FU_IFD_REGION_DESC) {
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bit_r = 16;
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bit_w = 24;
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} else if (region == FU_IFD_REGION_BIOS) {
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bit_r = 17;
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bit_w = 25;
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} else if (region == FU_IFD_REGION_ME) {
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bit_r = 18;
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bit_w = 26;
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} else if (region == FU_IFD_REGION_GBE) {
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bit_r = 19;
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bit_w = 27;
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}
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return ((flash_master >> bit_r) & 0b1 ? FU_IFD_ACCESS_READ : FU_IFD_ACCESS_NONE) |
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((flash_master >> bit_w) & 0b1 ? FU_IFD_ACCESS_WRITE : FU_IFD_ACCESS_NONE);
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}
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