157ba8436SSunil V L // SPDX-License-Identifier: GPL-2.0+ 257ba8436SSunil V L /* 357ba8436SSunil V L * virtio ACPI Support 457ba8436SSunil V L * 557ba8436SSunil V L */ 657ba8436SSunil V L 7*ee88df50SPeter Maydell #include "qemu/osdep.h" 857ba8436SSunil V L #include "hw/virtio/virtio-acpi.h" 957ba8436SSunil V L #include "hw/acpi/aml-build.h" 1057ba8436SSunil V L 1157ba8436SSunil V L void virtio_acpi_dsdt_add(Aml *scope, const hwaddr base, const hwaddr size, 1257ba8436SSunil V L uint32_t mmio_irq, long int start_index, int num) 1357ba8436SSunil V L { 1457ba8436SSunil V L hwaddr virtio_base = base; 1557ba8436SSunil V L uint32_t irq = mmio_irq; 1657ba8436SSunil V L long int i; 1757ba8436SSunil V L 1857ba8436SSunil V L for (i = start_index; i < start_index + num; i++) { 1957ba8436SSunil V L Aml *dev = aml_device("VR%02u", (unsigned)i); 2057ba8436SSunil V L aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); 2157ba8436SSunil V L aml_append(dev, aml_name_decl("_UID", aml_int(i))); 2257ba8436SSunil V L aml_append(dev, aml_name_decl("_CCA", aml_int(1))); 2357ba8436SSunil V L 2457ba8436SSunil V L Aml *crs = aml_resource_template(); 2557ba8436SSunil V L aml_append(crs, aml_memory32_fixed(virtio_base, size, AML_READ_WRITE)); 2657ba8436SSunil V L aml_append(crs, 2757ba8436SSunil V L aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, 2857ba8436SSunil V L AML_EXCLUSIVE, &irq, 1)); 2957ba8436SSunil V L aml_append(dev, aml_name_decl("_CRS", crs)); 3057ba8436SSunil V L aml_append(scope, dev); 3157ba8436SSunil V L virtio_base += size; 3257ba8436SSunil V L irq++; 3357ba8436SSunil V L } 3457ba8436SSunil V L } 35