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From 5ec240811e391f97378d0b6b726e0dee13ae8a40 Mon Sep 17 00:00:00 2001
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Message-Id: <5ec240811e391f97378d0b6b726e0dee13ae8a40@dist-git>
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From: Laine Stump <laine@redhat.com>
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Date: Sun, 26 Apr 2020 13:17:03 -0400
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Subject: [PATCH] conf: during PCI hotplug, require that the controller support
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hotplug
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Before this patch we would simply rely on QEMU failing to attach the
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device. Since we have a flag in the address set telling us which
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controllers support hotplug, we can fail the operation sooner.
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This also assures that when hotplugging with no provided PCI address,
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that we skip any controllers with hotplug='off', and attempt to assign
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the device to a controller that not only supports hotplug, but also
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has it enabled.
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Signed-off-by: Laine Stump <laine@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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(cherry picked from commit 7118bdee1550b6022e7362402ca8204add4cf80b)
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https://bugzilla.redhat.com/1802592
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Signed-off-by: Laine Stump <laine@redhat.com>
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Message-Id: <20200426171703.18808-3-laine@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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---
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src/conf/domain_addr.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/src/conf/domain_addr.c b/src/conf/domain_addr.c
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index ed41eca114..34ea7bc051 100644
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--- a/src/conf/domain_addr.c
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+++ b/src/conf/domain_addr.c
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@@ -936,6 +936,11 @@ virDomainPCIAddressEnsureAddr(virDomainPCIAddressSetPtr addrs,
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if (!flags)
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return 0;
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+ /* This function is only called during hotplug, so we require hotplug
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+ * support from the controller.
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+ */
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+ flags |= VIR_PCI_CONNECT_HOTPLUGGABLE;
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+
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if (!(addrStr = virPCIDeviceAddressAsString(&dev->addr.pci)))
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goto cleanup;
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--
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2.26.2
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