27 lines
624 B
C
27 lines
624 B
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpigen.h>
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#include <acpi/acpigen_pci.h>
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#include <assert.h>
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#include <device/device.h>
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#include <device/pci_def.h>
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#include <device/pci_type.h>
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#include <types.h>
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void acpigen_write_ADR_pci_devfn(pci_devfn_t devfn)
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{
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/*
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* _ADR for PCI Bus is encoded as follows:
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* [63:32] - unused
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* [31:16] - device #
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* [15:0] - function #
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*/
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acpigen_write_ADR(PCI_SLOT(devfn) << 16 | PCI_FUNC(devfn));
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}
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void acpigen_write_ADR_pci_device(const struct device *dev)
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{
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assert(dev->path.type == DEVICE_PATH_PCI);
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acpigen_write_ADR_pci_devfn(dev->path.pci.devfn);
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}
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