hw/acpi/viot.c

2  * ACPI Virtual I/O Translation table implementation
4  * SPDX-License-Identifier: GPL-2.0-or-later
7 #include "hw/acpi/acpi.h"
8 #include "hw/acpi/aml-build.h"
9 #include "hw/acpi/viot.h"
49         PCIBus *bus = PCI_HOST_BRIDGE(obj)->bus;  in enumerate_pci_host_bridges()
72     if (range_a->min_bus < range_b->min_bus) {  in pci_host_range_compare()
73         return -1;  in pci_host_range_compare()
74     } else if (range_a->min_bus > range_b->min_bus) {  in pci_host_range_compare()
82  * Generate a VIOT table with one PCI-based virtio-iommu that manages PCI
85  * Defined in the ACPI Specification (Version TBD)
91     /* The virtio-iommu node follows the 48-bytes header */  in build_viot()
107     /* ACPI table header */  in build_viot()
110     build_append_int_noprefix(table_data, pci_host_ranges->len + 1, 2);  in build_viot()
116     /* Virtio-iommu node */  in build_viot()
118     build_append_int_noprefix(table_data, 3 /* virtio-pci IOMMU */, 1);  in build_viot()
131     for (i = 0; i < pci_host_ranges->len; i++) {  in build_viot()
135         build_pci_host_range(table_data, pci_host_range->min_bus,  in build_viot()
136                              pci_host_range->max_bus, viommu_off);  in build_viot()