1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * virtio ACPI Support 4 * 5 */ 6 7 #include "hw/virtio/virtio-acpi.h" 8 #include "hw/acpi/aml-build.h" 9 10 void virtio_acpi_dsdt_add(Aml *scope, const hwaddr base, const hwaddr size, 11 uint32_t mmio_irq, long int start_index, int num) 12 { 13 hwaddr virtio_base = base; 14 uint32_t irq = mmio_irq; 15 long int i; 16 17 for (i = start_index; i < start_index + num; i++) { 18 Aml *dev = aml_device("VR%02u", (unsigned)i); 19 aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); 20 aml_append(dev, aml_name_decl("_UID", aml_int(i))); 21 aml_append(dev, aml_name_decl("_CCA", aml_int(1))); 22 23 Aml *crs = aml_resource_template(); 24 aml_append(crs, aml_memory32_fixed(virtio_base, size, AML_READ_WRITE)); 25 aml_append(crs, 26 aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, 27 AML_EXCLUSIVE, &irq, 1)); 28 aml_append(dev, aml_name_decl("_CRS", crs)); 29 aml_append(scope, dev); 30 virtio_base += size; 31 irq++; 32 } 33 } 34