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[Qemu-devel] [PATCH 08/12] vfio: add check aer functionality for hotplug
From: |
Zhou Jie |
Subject: |
[Qemu-devel] [PATCH 08/12] vfio: add check aer functionality for hotplug device |
Date: |
Wed, 18 May 2016 11:31:06 +0800 |
From: Chen Fan <address@hidden>
when function 0 is hot-added, we can check the vfio device
whether support hot bus reset.
Signed-off-by: Chen Fan <address@hidden>
---
hw/vfio/pci.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 832f25e..109b11b 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3087,6 +3087,19 @@ post_reset:
vfio_pci_post_reset(vdev);
}
+static void vfio_pci_is_valid(PCIDevice *dev, Error **errp)
+{
+ VFIOPCIDevice *vdev = DO_UPCAST(VFIOPCIDevice, pdev, dev);
+ Error *local_err = NULL;
+
+ if (vdev->features & VFIO_FEATURE_ENABLE_AER) {
+ vfio_check_hot_bus_reset(vdev, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ }
+ }
+}
+
static void vfio_instance_init(Object *obj)
{
PCIDevice *pci_dev = PCI_DEVICE(obj);
@@ -3141,6 +3154,7 @@ static void vfio_pci_dev_class_init(ObjectClass *klass,
void *data)
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
pdc->init = vfio_initfn;
pdc->exit = vfio_exitfn;
+ pdc->is_valid_func = vfio_pci_is_valid;
pdc->config_read = vfio_pci_read_config;
pdc->config_write = vfio_pci_write_config;
pdc->is_express = 1; /* We might be */
--
1.8.3.1
- [Qemu-devel] [PATCH v7 00/12] vfio-pci: pass the aer error to guest, Zhou Jie, 2016/05/17
- [Qemu-devel] [PATCH 05/12] vfio: refine function vfio_pci_host_match, Zhou Jie, 2016/05/17
- [Qemu-devel] [PATCH 02/12] vfio: squeeze out vfio_pci_do_hot_reset for support bus reset, Zhou Jie, 2016/05/17
- [Qemu-devel] [PATCH 07/12] pci: add a pci_function_is_valid callback to check function if valid, Zhou Jie, 2016/05/17
- [Qemu-devel] [PATCH 01/12] vfio: extract vfio_get_hot_reset_info as a single function, Zhou Jie, 2016/05/17
- [Qemu-devel] [PATCH 03/12] vfio: add pcie extended capability support, Zhou Jie, 2016/05/17
- [Qemu-devel] [PATCH 08/12] vfio: add check aer functionality for hotplug device,
Zhou Jie <=
- [Qemu-devel] [PATCH 04/12] vfio: add aer support for vfio device, Zhou Jie, 2016/05/17
- [Qemu-devel] [PATCH 09/12] vfio: vote the function 0 to do host bus reset when aer occurred, Zhou Jie, 2016/05/17
- [Qemu-devel] [PATCH 11/12] vfio: register aer resume notification handler for aer resume, Zhou Jie, 2016/05/17