9  * See the COPYING file in the top-level directory.
17 #include "hw/acpi/aml-build.h"
20 #include "hw/qdev-properties.h"
21 #include "hw/qdev-properties-system.h"
34     /* Fill in the GUID values.  These need to be converted to little-endian  in vmgenid_build_acpi()
37     g_array_set_size(guid, VMGENID_FW_CFG_SIZE - ARRAY_SIZE(guid_le.data));  in vmgenid_build_acpi()
38     guid_le = qemu_uuid_bswap(vms->guid);  in vmgenid_build_acpi()
51     vgia_offset = table_data->len +  in vmgenid_build_acpi()
52         build_append_named_dword(ssdt->buf, "VGIA");  in vmgenid_build_acpi()
59     /* Simple status method to check that address is linked and non-zero */  in vmgenid_build_acpi()
69     /* the ADDR method returns two 32-bit words representing the lower and  in vmgenid_build_acpi()
93     g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len);  in vmgenid_build_acpi()
99     /* Patch address of GUID fw_cfg blob into the ADDR fw_cfg blob  in vmgenid_build_acpi()
110     /* Patch address of GUID fw_cfg blob into the AML so OSPM can retrieve  in vmgenid_build_acpi()
112      * the least-signficant 32 get patched into AML.  in vmgenid_build_acpi()
125     /* Create a read-only fw_cfg file for GUID */  in vmgenid_add_fw_cfg()
126     fw_cfg_add_file(s, VMGENID_GUID_FW_CFG_FILE, guid->data,  in vmgenid_add_fw_cfg()
128     /* Create a read-write fw_cfg file for Address */  in vmgenid_add_fw_cfg()
130                              vms->vmgenid_addr_le,  in vmgenid_add_fw_cfg()
131                              ARRAY_SIZE(vms->vmgenid_addr_le), false);  in vmgenid_add_fw_cfg()
142         memcpy(&vmgenid_addr, vms->vmgenid_addr_le, sizeof(vmgenid_addr));  in vmgenid_update_guest()
148             /* QemuUUID has the first three words as big-endian, and expect  in vmgenid_update_guest()
150              * however, will expect the fields to be little-endian.  in vmgenid_update_guest()
153             guid_le = qemu_uuid_bswap(vms->guid);  in vmgenid_update_guest()
190     /* Clear the guest-allocated GUID address when the VM resets */  in vmgenid_handle_reset()
191     memset(vms->vmgenid_addr_le, 0, ARRAY_SIZE(vms->vmgenid_addr_le));  in vmgenid_handle_reset()
205      * device. Check if there are several.  in vmgenid_realize()
225     dc->vmsd = &vmstate_vmgenid;  in vmgenid_device_class_init()
226     dc->realize = vmgenid_realize;  in vmgenid_device_class_init()
228     dc->hotpluggable = false;  in vmgenid_device_class_init()
229     set_bit(DEVICE_CATEGORY_MISC, dc->categories);  in vmgenid_device_class_init()