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From 2780cb41f7682741be2bbe662d629dd1bd3b4f6e Mon Sep 17 00:00:00 2001
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Message-Id: <2780cb41f7682741be2bbe662d629dd1bd3b4f6e@dist-git>
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From: Laine Stump <laine@redhat.com>
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Date: Sun, 26 Apr 2020 13:04:10 -0400
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Subject: [PATCH] conf: add new PCI_CONNECT flag AUTOASSIGN
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This new flag will be set for any controller that we decide can have
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devices assigned to it automatically during PCI device assignment. In
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the past PCI_CONNECT_TYPE_HOTPLUGGABLE was used for this purpose, but
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that is overloading that flag, and no longer technically correct; what
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we *really* want is to auto-assign devices to any pcie-root-port or
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pcie-switch-downstream-port regardless of whether or not that
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controller happens to have hotplug enabled.
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This patch just adds the flag, but doesn't use it at all. Note that
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the numbering of all the other flags was changed in order to insert
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the new flag near the beginning of the list; that doesn't cause any
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problem because the connect flags aren't stored anywhere between runs
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of libvirtd.
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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 c296a846ad7de3066a17404f4f407d3e1b6d7935)
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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: <20200426170415.18328-8-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.h | 41 +++++++++++++++++++++--------------------
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1 file changed, 21 insertions(+), 20 deletions(-)
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diff --git a/src/conf/domain_addr.h b/src/conf/domain_addr.h
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index dcb90618f8..40738ddb72 100644
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--- a/src/conf/domain_addr.h
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+++ b/src/conf/domain_addr.h
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@@ -32,26 +32,27 @@ typedef enum {
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} virPCIDeviceAddressExtensionFlags;
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typedef enum {
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- VIR_PCI_CONNECT_HOTPLUGGABLE = 1 << 0, /* is hotplug needed/supported */
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-
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- /* set for devices that can share a single slot in auto-assignment
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- * (by assigning one device to each of the 8 functions on the slot)
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- */
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- VIR_PCI_CONNECT_AGGREGATE_SLOT = 1 << 1,
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-
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- /* kinds of devices as a bitmap so they can be combined (some PCI
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- * controllers permit connecting multiple types of devices)
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- */
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- VIR_PCI_CONNECT_TYPE_PCI_DEVICE = 1 << 2,
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- VIR_PCI_CONNECT_TYPE_PCIE_DEVICE = 1 << 3,
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- VIR_PCI_CONNECT_TYPE_PCIE_ROOT_PORT = 1 << 4,
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- VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_UPSTREAM_PORT = 1 << 5,
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- VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_DOWNSTREAM_PORT = 1 << 6,
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- VIR_PCI_CONNECT_TYPE_DMI_TO_PCI_BRIDGE = 1 << 7,
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- VIR_PCI_CONNECT_TYPE_PCI_EXPANDER_BUS = 1 << 8,
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- VIR_PCI_CONNECT_TYPE_PCIE_EXPANDER_BUS = 1 << 9,
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- VIR_PCI_CONNECT_TYPE_PCI_BRIDGE = 1 << 10,
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- VIR_PCI_CONNECT_TYPE_PCIE_TO_PCI_BRIDGE = 1 << 11,
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+ VIR_PCI_CONNECT_AUTOASSIGN = 1 << 0, /* okay to autoassign a device to this controller */
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+ VIR_PCI_CONNECT_HOTPLUGGABLE = 1 << 1, /* is hotplug needed/supported */
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+
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+ /* set for devices that can share a single slot in auto-assignment
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+ * (by assigning one device to each of the 8 functions on the slot)
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+ */
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+ VIR_PCI_CONNECT_AGGREGATE_SLOT = 1 << 2,
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+
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+ /* kinds of devices as a bitmap so they can be combined (some PCI
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+ * controllers permit connecting multiple types of devices)
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+ */
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+ VIR_PCI_CONNECT_TYPE_PCI_DEVICE = 1 << 3,
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+ VIR_PCI_CONNECT_TYPE_PCIE_DEVICE = 1 << 4,
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+ VIR_PCI_CONNECT_TYPE_PCIE_ROOT_PORT = 1 << 5,
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+ VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_UPSTREAM_PORT = 1 << 6,
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+ VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_DOWNSTREAM_PORT = 1 << 7,
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+ VIR_PCI_CONNECT_TYPE_DMI_TO_PCI_BRIDGE = 1 << 8,
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+ VIR_PCI_CONNECT_TYPE_PCI_EXPANDER_BUS = 1 << 9,
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+ VIR_PCI_CONNECT_TYPE_PCIE_EXPANDER_BUS = 1 << 10,
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+ VIR_PCI_CONNECT_TYPE_PCI_BRIDGE = 1 << 11,
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+ VIR_PCI_CONNECT_TYPE_PCIE_TO_PCI_BRIDGE = 1 << 12,
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} virDomainPCIConnectFlags;
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/* a combination of all bits that describe the type of connections
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--
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2.26.2
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