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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
| commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
| tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Devices/PC/BIOS/pciutil.h | |
| parent | Initial commit. (diff) | |
| download | virtualbox-upstream.tar.xz virtualbox-upstream.zip | |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Devices/PC/BIOS/pciutil.h')
| -rw-r--r-- | src/VBox/Devices/PC/BIOS/pciutil.h | 37 |
1 files changed, 37 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..ad50ed82 --- /dev/null +++ b/src/VBox/Devices/PC/BIOS/pciutil.h @@ -0,0 +1,37 @@ +/* $Id: pciutil.h $ */ +/** @file + * Utility routines for calling the PCI BIOS. + */ + +/* + * Copyright (C) 2011-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + */ + +#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); + +#endif /* !VBOX_INCLUDED_SRC_PC_BIOS_pciutil_h */ + |