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[Qemu-devel] [RFC v8 10/13] vfio: do hot bus reset when do virtual secon
From: |
Chen Fan |
Subject: |
[Qemu-devel] [RFC v8 10/13] vfio: do hot bus reset when do virtual secondary bus reset |
Date: |
Mon, 25 May 2015 18:06:10 +0800 |
when do virtual secondary bus reset, the vfio device under
this bus need to do host bus reset to reset the device.
so add this case.
Signed-off-by: Chen Fan <address@hidden>
---
hw/vfio/pci.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 94ff4e1..29a2b12 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -4028,6 +4028,14 @@ static void vfio_pci_reset(DeviceState *dev)
trace_vfio_pci_reset(vdev->vbasedev.name);
+ if (vdev->needs_bus_reset) {
+ vdev->needs_bus_reset = false;
+ if (vdev->vbasedev.needs_reset) {
+ vfio_pci_hot_reset(vdev, false);
+ }
+ return;
+ }
+
vfio_pci_pre_reset(vdev);
if (vdev->resetfn && !vdev->resetfn(vdev)) {
--
1.9.3
- [Qemu-devel] [RFC v8 00/13] vfio-pci: pass the aer error to guest, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 02/13] vfio: squeeze out vfio_pci_do_hot_reset for support bus reset, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 01/13] vfio: extract vfio_get_hot_reset_info as a single function, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 03/13] vfio: add pcie extanded capability support, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 04/13] aer: impove pcie_aer_init to support vfio device, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 05/13] vfio: add aer support for vfio device, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 06/13] vfio: add check host bus reset is support or not, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 07/13] vfio: add check for vfio devices which enable aer should support bus reset, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 08/13] pci: add bus reset_notifiers callbacks for host bus reset, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 10/13] vfio: do hot bus reset when do virtual secondary bus reset,
Chen Fan <=
- [Qemu-devel] [RFC v8 09/13] vfio: add sec_bus_reset notifier to notify physical bus reset is needed, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 11/13] pcie_aer: expose pcie_aer_msg() interface, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 12/13] vfio-pci: pass the aer error to guest, Chen Fan, 2015/05/25
- [Qemu-devel] [RFC v8 13/13] vfio: add 'aer' property to expose aercap, Chen Fan, 2015/05/25
- Re: [Qemu-devel] [RFC v8 00/13] vfio-pci: pass the aer error to guest, Chen Fan, 2015/05/26