Add migration support for AMD IOMMU model by saving necessary AMDVIState
parameters for MMIO registers, device table, command buffer, and event
buffers.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
---
hw/i386/amd_iommu.c | 36 +++++++++++++++++++++++++++++++++++-
1 file changed, 35 insertions(+), 1 deletion(-)
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 13af7211e1..3d2bb9d81e 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -1673,7 +1673,41 @@ static Property amdvi_properties[] = {
static const VMStateDescription vmstate_amdvi_sysbus = {
.name = "amd-iommu",
- .unmigratable = 1
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .priority = MIG_PRI_IOMMU,
+ .fields = (VMStateField[]) {
+ /* Updated in amdvi_handle_control_write() */
+ VMSTATE_BOOL(enabled, AMDVIState),
+ VMSTATE_BOOL(ga_enabled, AMDVIState),
+ VMSTATE_BOOL(ats_enabled, AMDVIState),
+ VMSTATE_BOOL(cmdbuf_enabled, AMDVIState),
+ VMSTATE_BOOL(completion_wait_intr, AMDVIState),
+ VMSTATE_BOOL(evtlog_enabled, AMDVIState),
+ VMSTATE_BOOL(evtlog_intr, AMDVIState),
+ /* Updated in amdvi_handle_devtab_write() */
+ VMSTATE_UINT64(devtab, AMDVIState),
+ VMSTATE_UINT64(devtab_len, AMDVIState),
+ /* Updated in amdvi_handle_cmdbase_write() */
+ VMSTATE_UINT64(cmdbuf, AMDVIState),
+ VMSTATE_UINT64(cmdbuf_len, AMDVIState),
+ /* Updated in amdvi_handle_cmdhead_write() */
+ VMSTATE_UINT32(cmdbuf_head, AMDVIState),
+ /* Updated in amdvi_handle_cmdtail_write() */
+ VMSTATE_UINT32(cmdbuf_tail, AMDVIState),
+ /* Updated in amdvi_handle_evtbase_write() */
+ VMSTATE_UINT64(evtlog, AMDVIState),
+ VMSTATE_UINT32(evtlog_len, AMDVIState),
+ /* Updated in amdvi_handle_evthead_write() */
+ VMSTATE_UINT32(evtlog_head, AMDVIState),
+ /* Updated in amdvi_handle_evttail_write() */
+ VMSTATE_UINT32(evtlog_tail, AMDVIState),
+ /* MMIO registers */
+ VMSTATE_UINT8_ARRAY(mmior, AMDVIState, AMDVI_MMIO_SIZE),
+ VMSTATE_UINT8_ARRAY(romask, AMDVIState, AMDVI_MMIO_SIZE),
+ VMSTATE_UINT8_ARRAY(w1cmask, AMDVIState, AMDVI_MMIO_SIZE),
+ VMSTATE_END_OF_LIST()
+ }
};
static void amdvi_sysbus_instance_init(Object *klass)
--
2.34.1
