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path: root/src/interface/efi/efi_utils.c
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* [build] Mark core files as permitted for UEFI Secure BootMichael Brown2026-01-141-0/+1
| | | | | | | | | | | | Mark all files used in a standard build of bin-x86_64-efi/snponly.efi as permitted for UEFI Secure Boot. These files represent the core functionality of iPXE that is guaranteed to have been included in every binary that was previously subject to a security review and signed by Microsoft. It is therefore legitimate to assume that at least these files have already been reviewed to the required standard multiple times. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Allow use of typed pointers for efi_open() et alMichael Brown2025-03-241-8/+5Star
| | | | | | | | | Provide wrapper macros to allow efi_open() and related functions to accept a pointer to any pointer type as the "interface" argument, in order to allow a substantial amount of type adjustment boilerplate to be removed. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Use efi_open() for all ephemeral protocol opensMichael Brown2025-03-241-11/+2Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Use efi_open_by_child() for all by-child protocol opensMichael Brown2025-03-241-12/+3Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Avoid function name near-collisionMichael Brown2025-03-231-3/+3
| | | | | | | | We currently have both efipci_info() and efi_pci_info() serving different but related purposes. Rename the latter to reduce confusion. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Extend efi_locate_device() to allow searching up the device pathMichael Brown2023-01-231-14/+42
| | | | | | | | Extend the functionality of efi_locate_device() to allow callers to find instances of the protocol that may exist further up the device path. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Retain a long-lived reference to the EFI_PCI_IO_PROTOCOL instanceMichael Brown2020-11-041-4/+4
| | | | | | | | | | | | | | | Provide opened EFI PCI devices with access to the underlying EFI_PCI_IO_PROTOCOL instance, in order to facilitate the future use of the DMA mapping methods within the fast data path. Do not require the use of this stored EFI_PCI_IO_PROTOCOL instance for memory-mapped I/O (since the entire point of memory-mapped I/O as a concept is to avoid this kind of unnecessary complexity) or for slow-path PCI configuration space accesses (since these may be required for access to PCI bus:dev.fn addresses that do not correspond to a device bound via our driver binding protocol instance). Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Split device path functions out to efi_path.cMichael Brown2020-10-161-30/+0Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Provide efi_devpath_len()Michael Brown2015-09-131-0/+12
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Remove raw EFI_HANDLE values from debug messagesMichael Brown2015-08-271-21/+17Star
| | | | | | | | | The raw EFI_HANDLE value is almost never useful to know, and simply adds noise to the already verbose debug messages. Improve the legibility of debug messages by using only the name generated by efi_handle_name(). Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Generalise snpnet_dev_info() to efi_device_info()Michael Brown2014-10-161-0/+64
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Generalise snpnet_pci_info() to efi_locate_device()Michael Brown2014-08-061-0/+52
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Move abstract device path and handle functions to efi_utils.cMichael Brown2014-08-061-0/+102
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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