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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Devices/PC/BIOS/pciutil.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/VBox/Devices/PC/BIOS/pciutil.h b/src/VBox/Devices/PC/BIOS/pciutil.h new file mode 100644 index 00000000..174605f5 --- /dev/null +++ b/src/VBox/Devices/PC/BIOS/pciutil.h @@ -0,0 +1,48 @@ +/* $Id: pciutil.h $ */ +/** @file + * Utility routines for calling the PCI BIOS. + */ + +/* + * Copyright (C) 2011-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#ifndef VBOX_INCLUDED_SRC_PC_BIOS_pciutil_h +#define VBOX_INCLUDED_SRC_PC_BIOS_pciutil_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +extern uint16_t pci_find_device(uint16_t v_id, uint16_t d_id); +/* Warning: pci_find_classcode destroys the high bits of ECX. */ +extern uint16_t pci_find_classcode(uint32_t dev_class); +extern uint32_t pci_read_config_byte(uint8_t bus, uint8_t dev_fn, uint8_t reg); +extern uint32_t pci_read_config_word(uint8_t bus, uint8_t dev_fn, uint8_t reg); +/* Warning: pci_read_config_dword destroys the high bits of ECX. */ +extern uint32_t pci_read_config_dword(uint8_t bus, uint8_t dev_fn, uint8_t reg); +extern void pci_write_config_byte(uint8_t bus, uint8_t dev_fn, uint8_t reg, uint8_t val); +extern void pci_write_config_word(uint8_t bus, uint8_t dev_fn, uint8_t reg, uint16_t val); +/* Warning: pci_write_config_dword destroys the high bits of ECX. */ +extern void pci_write_config_dword(uint8_t bus, uint8_t dev_fn, uint8_t reg, uint32_t val); +extern uint16_t pci_find_class_noif(uint16_t dev_class); + +#endif /* !VBOX_INCLUDED_SRC_PC_BIOS_pciutil_h */ + |