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[Qemu-devel] [RFC v8.1 07/13] vfio: add check for vfio devices which ena
From: |
Chen Fan |
Subject: |
[Qemu-devel] [RFC v8.1 07/13] vfio: add check for vfio devices which enable aer should support bus reset |
Date: |
Wed, 27 May 2015 10:46:28 +0800 |
Signed-off-by: Chen Fan <address@hidden>
---
hw/vfio/pci.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 5934fd7..91ad9ad 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3801,6 +3801,33 @@ out:
g_free(info);
}
+static void vfio_pci_machine_done_notify(Notifier *notifier, void *unused)
+{
+ VFIOGroup *group;
+ VFIODevice *vbasedev;
+ VFIOPCIDevice *vdev;
+
+ /* Check All support AER devices if has bus reset capability */
+ QLIST_FOREACH(group, &vfio_group_list, next) {
+ QLIST_FOREACH(vbasedev, &group->device_list, next) {
+ vdev = container_of(vbasedev, VFIOPCIDevice, vbasedev);
+ if (vdev->features & VFIO_FEATURE_ENABLE_AER) {
+ vfio_check_host_bus_reset(vdev);
+ if (!vdev->has_bus_reset) {
+ error_report("vfio: Cannot enable AER for device %s, "
+ "which is not support host bus reset.",
+ vdev->vbasedev.name);
+ exit(1);
+ }
+ }
+ }
+ }
+}
+
+static Notifier machine_notifier = {
+ .notify = vfio_pci_machine_done_notify,
+};
+
static int vfio_initfn(PCIDevice *pdev)
{
VFIOPCIDevice *vdev = DO_UPCAST(VFIOPCIDevice, pdev, pdev);
@@ -4086,6 +4113,11 @@ static const TypeInfo vfio_pci_dev_info = {
static void register_vfio_pci_dev_type(void)
{
type_register_static(&vfio_pci_dev_info);
+ /*
+ * Register notifier when machine init is done, since we need
+ * check the configration manner after all vfio devices are inited.
+ */
+ qemu_add_machine_init_done_notifier(&machine_notifier);
}
type_init(register_vfio_pci_dev_type)
--
1.9.3
- [Qemu-devel] [RFC v8.1 00/13] vfio-pci: pass the aer error to guest, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 03/13] vfio: add pcie extanded capability support, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 01/13] vfio: extract vfio_get_hot_reset_info as a single function, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 04/13] aer: impove pcie_aer_init to support vfio device, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 05/13] vfio: add aer support for vfio device, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 06/13] vfio: add check host bus reset is support or not, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 07/13] vfio: add check for vfio devices which enable aer should support bus reset,
Chen Fan <=
- [Qemu-devel] [RFC v8.1 08/13] pci: add bus reset_notifiers callbacks for host bus reset, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 09/13] vfio: add sec_bus_reset notifier to notify physical bus reset is needed, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 10/13] vfio: do hot bus reset when do virtual secondary bus reset, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 11/13] pcie_aer: expose pcie_aer_msg() interface, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 12/13] vfio-pci: pass the aer error to guest, Chen Fan, 2015/05/26
- [Qemu-devel] [RFC v8.1 13/13] vfio: add 'aer' property to expose aercap, Chen Fan, 2015/05/26