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[Qemu-ppc] [PATCH 14/15] pseries: savevm support for PAPR virtual SCSI
From: |
David Gibson |
Subject: |
[Qemu-ppc] [PATCH 14/15] pseries: savevm support for PAPR virtual SCSI |
Date: |
Mon, 15 Oct 2012 10:24:41 +1000 |
This patch adds the necessary support for saving the state of the PAPR VIO
virtual SCSI device. This turns out to be trivial, because the generiC
SCSI code already quiesces the attached virtual SCSI bus.
Signed-off-by: David Gibson <address@hidden>
---
hw/spapr_vscsi.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
index e3d4b23..8c81326 100644
--- a/hw/spapr_vscsi.c
+++ b/hw/spapr_vscsi.c
@@ -952,6 +952,33 @@ static Property spapr_vscsi_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static void spapr_vscsi_pre_save(void *opaque)
+{
+ VSCSIState *s = opaque;
+ int i;
+
+ /* Can't save active requests, apparently the general SCSI code
+ * quiesces the queue for us on vmsave */
+ for (i = 0; i < VSCSI_REQ_LIMIT; i++) {
+ assert(!s->reqs[i].active);
+ }
+}
+
+static const VMStateDescription vmstate_spapr_vscsi = {
+ .name = "spapr_vscsi",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .pre_save = spapr_vscsi_pre_save,
+ .fields = (VMStateField []) {
+ VMSTATE_SPAPR_VIO(vdev, VSCSIState),
+ /* VSCSI state */
+ /* ???? */
+
+ VMSTATE_END_OF_LIST()
+ },
+};
+
static void spapr_vscsi_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -966,6 +993,7 @@ static void spapr_vscsi_class_init(ObjectClass *klass, void
*data)
k->signal_mask = 0x00000001;
dc->props = spapr_vscsi_properties;
k->rtce_window_size = 0x10000000;
+ dc->vmsd = &vmstate_spapr_vscsi;
}
static TypeInfo spapr_vscsi_info = {
--
1.7.10.4
- [Qemu-ppc] RFC: savevm/migration support for pseries, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 06/15] savevm: Add VMSTATE_STRUCT_VARRAY_POINTER_UINT32, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 13/15] pseries: savevm support for PAPR TCE tables, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 10/15] pseries: savevm support for XICS interrupt controller, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 11/15] pseries: savevm support for VIO devices, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 05/15] savevm: Add VMSTATE_FLOAT64 helpers, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 12/15] pseries: savevm support for PAPR VIO logical lan, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 03/15] savevm: Add VMSTATE_UINT64_EQUAL helpers, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 04/15] savevm: Add VMSTATE_UINTTL_EQUAL helper, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 09/15] target-ppc: Convert ppc cpu savevm to VMStateDescription, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 14/15] pseries: savevm support for PAPR virtual SCSI,
David Gibson <=
- [Qemu-ppc] [PATCH 01/15] pseries: Split xics irq configuration from state information, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 02/15] target-pcc: Convert ppcemb_tlb_t to use fixed 64-bit RPN, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 07/15] savevm: Fix bugs in the VMSTATE_VBUFFER_MULTIPLY definition, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 08/15] savevm: Implement VMS_DIVIDE flag, David Gibson, 2012/10/14
- [Qemu-ppc] [PATCH 15/15] pseries: savevm support for pseries machine, David Gibson, 2012/10/14