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qemu: Introduce qemuBuildSkipController

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Move the non USB implicit controller checks into their own
helper to reduce the cruft in qemuBuildControllerDevCommandLine.
This commit is contained in:
John Ferlan 2017-11-29 07:31:43 -05:00
parent 984c534a3f
commit ac0fb44afa
1 changed files with 41 additions and 24 deletions
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65
src/qemu/qemu_command.c
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@ -3175,6 +3175,44 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
}
/**
* qemuBuildSkipController:
* @controller: Controller to check
* @def: Domain definition
*
* Returns true if this controller can be skipped for command line
* generation or device validation.
*/
static bool
qemuBuildSkipController(const virDomainControllerDef *controller,
const virDomainDef *def)
{
/* skip pcie-root */
if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT)
return true;
/* 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 &&
controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT)
return true;
/* first SATA controller on Q35 machines is implicit */
if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_SATA &&
controller->idx == 0 && qemuDomainIsQ35(def))
return true;
/* first IDE controller is implicit on various machines */
if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE &&
controller->idx == 0 && qemuDomainHasBuiltinIDE(def))
return true;
return false;
}
static int
qemuBuildControllerDevCommandLine(virCommandPtr cmd,
const virDomainDef *def,
@ -3217,6 +3255,9 @@ qemuBuildControllerDevCommandLine(virCommandPtr cmd,
if (cont->type != contOrder[j])
continue;
if (qemuBuildSkipController(cont, def))
continue;
/* skip USB controllers with type none.*/
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
cont->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_NONE) {
@ -3224,30 +3265,6 @@ qemuBuildControllerDevCommandLine(virCommandPtr cmd,
continue;
}
/* skip pcie-root */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT) {
continue;
}
/* Skip pci-root, except for pSeries guests (which actually
* support more than one PCI Host Bridge per guest) */
if (!qemuDomainIsPSeries(def) &&
cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT) {
continue;
}
/* first SATA controller on Q35 machines is implicit */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_SATA &&
cont->idx == 0 && qemuDomainIsQ35(def))
continue;
/* first IDE controller is implicit on various machines */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE &&
cont->idx == 0 && qemuDomainHasBuiltinIDE(def))
continue;
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
cont->model == -1 &&
!qemuDomainIsQ35(def) &&