[libvirt] [PATCH v6 03/11] qemu: Validate PCI controller options (index)

https://bugzilla.redhat.com/show_bug.cgi?id=1483816 Signed-off-by: Andrea Bolognani <abologna(a)redhat.com&gt; Reviewed-by: Laine Stump <laine(a)laine.org&gt; --- src/qemu/qemu_domain.c | 68 +++++++++++++++++++++++++++++++------------------- 1 file changed, 43 insertions(+), 25 deletions(-) diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index ab6bb4fda0..38c7fb8fe7 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -4285,31 +4285,6 @@ qemuDomainDeviceDefValidateControllerPCIOld(const virDomainControllerDef *contro controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT) return 0; - /* First pass - just check the controller index for the model's - * that we care to check... */ - switch (model) { - case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE: - case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE: - case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT: - case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT: - case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT: - case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS: - case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS: - if (controller->idx == 0) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, - _("index for pci controllers of model '%s' must be > 0"), - virDomainControllerModelPCITypeToString(model)); - return -1; - } - break; - - case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT: - case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT: - case VIR_DOMAIN_CONTROLLER_MODEL_PCI_DEFAULT: - case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST: - break; - } - pciopts = &controller->opts.pciopts; /* Second pass - now the model specific checks */ @@ -4619,6 +4594,49 @@ qemuDomainDeviceDefValidateControllerPCI(const virDomainControllerDef *cont, return -1; } + /* index */ + switch ((virDomainControllerModelPCI) cont->model) { + case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE: + case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE: + case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT: + case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT: + case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT: + case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS: + case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS: + if (cont->idx == 0) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("Index for '%s' controllers must be > 0"), + model); + return -1; + } + break; + + case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT: + case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT: + /* pSeries guests can have multiple PHBs, so it's expected that + * the index will not be zero for some of them */ + if (cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT && + pciopts->modelName == VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_BRIDGE) { + break; + } + + /* For all other pci-root and pcie-root controllers, though, + * the index must be zero*/ + if (cont->idx != 0) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("Index for '%s' controllers must be 0"), + model); + return -1; + } + break; + + case VIR_DOMAIN_CONTROLLER_MODEL_PCI_DEFAULT: + case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST: + default: + virReportEnumRangeError(virDomainControllerModelPCI, cont->model); + return -1; + } + return qemuDomainDeviceDefValidateControllerPCIOld(cont, def, qemuCaps); } -- 2.14.3