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-rw-r--r--hw/core/machine.c1
-rw-r--r--hw/scsi/scsi-disk.c24
2 files changed, 24 insertions, 1 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c
index c93d249244..655d75c21f 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -36,6 +36,7 @@
GlobalProperty hw_compat_9_0[] = {
{"arm-cpu", "backcompat-cntfrq", "true" },
+ {"scsi-disk-base", "migrate-emulated-scsi-request", "false" },
{"vfio-pci", "skip-vsc-check", "false" },
};
const size_t hw_compat_9_0_len = G_N_ELEMENTS(hw_compat_9_0);
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 0812d39c02..a67092db6a 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -114,6 +114,7 @@ struct SCSIDiskState {
* 0xffff - reserved
*/
uint16_t rotation_rate;
+ bool migrate_emulated_scsi_request;
};
static void scsi_free_request(SCSIRequest *req)
@@ -162,6 +163,15 @@ static void scsi_disk_save_request(QEMUFile *f, SCSIRequest *req)
}
}
+static void scsi_disk_emulate_save_request(QEMUFile *f, SCSIRequest *req)
+{
+ SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
+
+ if (s->migrate_emulated_scsi_request) {
+ scsi_disk_save_request(f, req);
+ }
+}
+
static void scsi_disk_load_request(QEMUFile *f, SCSIRequest *req)
{
SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req);
@@ -185,6 +195,15 @@ static void scsi_disk_load_request(QEMUFile *f, SCSIRequest *req)
qemu_iovec_init_external(&r->qiov, &r->iov, 1);
}
+static void scsi_disk_emulate_load_request(QEMUFile *f, SCSIRequest *req)
+{
+ SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
+
+ if (s->migrate_emulated_scsi_request) {
+ scsi_disk_load_request(f, req);
+ }
+}
+
/*
* scsi_handle_rw_error has two return values. False means that the error
* must be ignored, true means that the error has been processed and the
@@ -2606,6 +2625,8 @@ static const SCSIReqOps scsi_disk_emulate_reqops = {
.read_data = scsi_disk_emulate_read_data,
.write_data = scsi_disk_emulate_write_data,
.get_buf = scsi_get_buf,
+ .load_request = scsi_disk_emulate_load_request,
+ .save_request = scsi_disk_emulate_save_request,
};
static const SCSIReqOps scsi_disk_dma_reqops = {
@@ -3114,7 +3135,8 @@ static const TypeInfo scsi_disk_base_info = {
DEFINE_PROP_STRING("serial", SCSIDiskState, serial), \
DEFINE_PROP_STRING("vendor", SCSIDiskState, vendor), \
DEFINE_PROP_STRING("product", SCSIDiskState, product), \
- DEFINE_PROP_STRING("device_id", SCSIDiskState, device_id)
+ DEFINE_PROP_STRING("device_id", SCSIDiskState, device_id), \
+ DEFINE_PROP_BOOL("migrate-emulated-scsi-request", SCSIDiskState, migrate_emulated_scsi_request, true)
static Property scsi_hd_properties[] = {