Re: [PATCH v3 06/12] qemu: Introduce qemuDomainDeviceDefValidateControllerPCI

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On Wed, Dec 06, 2017 at 08:14:02PM -0500, John Ferlan wrote:
Move PCI validation checks out of qemu_command into the proper
qemu_domain validation helper.

Since there's a lot to move, we'll start slow by replicating the
pcie-root and pci-root avoidance from qemuBuildSkipController and
the first switch found in qemuBuildControllerDevStr.

Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
---
src/qemu/qemu_command.c | 20 --------------------
src/qemu/qemu_domain.c  | 49 ++++++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 48 insertions(+), 21 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 428db1193..ceb03a0cd 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -4010,6 +4010,50 @@ qemuDomainDeviceDefValidateControllerSCSI(const virDomainControllerDef *controll


static int
+qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *controller,
+                                         const virDomainDef *def)
+{
+    virDomainControllerModelPCI model = controller->model;
+
+    /* skip pcie-root */
+    if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&

We already checked that the controller type is PCI in the caller.

+        controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT)
+        return 0;
+
+    /* Skip pci-root, except for pSeries guests (which actually
+     * support more than one PCI Host Bridge per guest) */
+    if (!qemuDomainIsPSeries(def) &&
+        controller->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&

Same here.

+        controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT)
+        return 0;
+

Jan

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