[PATCH 2/3] qemu_validate: Restrict setting @memReserve only to some controllers

Michal Privoznik posted 3 patches 1 year, 10 months ago
[PATCH 2/3] qemu_validate: Restrict setting @memReserve only to some controllers
Posted by Michal Privoznik 1 year, 10 months ago
Only two controller models allow setting mem-reserve:
pcie-root-port and pci-bridge. Reflect this fact during
validation.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 src/qemu/qemu_validate.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index de0867c4b1..fd7b90e47d 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -4091,6 +4091,31 @@ qemuValidateDomainDeviceDefControllerPCI(const virDomainControllerDef *cont,
         }
     }
 
+    /* memReserve */
+    switch ((virDomainControllerModelPCI) cont->model) {
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT_PORT:
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
+        break;
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_DOWNSTREAM_PORT:
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
+    case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_TO_PCI_BRIDGE:
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_SWITCH_UPSTREAM_PORT:
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCI_EXPANDER_BUS:
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_EXPANDER_BUS:
+        if (pciopts->memReserve) {
+            virReportControllerInvalidOption(cont, model, modelName, "memReserve");
+            return -1;
+        }
+        break;
+
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCI_DEFAULT:
+    case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST:
+    default:
+        virReportEnumRangeError(virDomainControllerModelPCI, cont->model);
+    }
+
     /* QEMU device availability */
     if (cap < 0) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
-- 
2.43.2
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Re: [PATCH 2/3] qemu_validate: Restrict setting @memReserve only to some controllers
Posted by Andrea Bolognani 1 year, 9 months ago
On Mon, Apr 15, 2024 at 10:53:17AM +0200, Michal Privoznik wrote:
> Only two controller models allow setting mem-reserve:
> pcie-root-port and pci-bridge. Reflect this fact during
> validation.
>
> Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
> ---
>  src/qemu/qemu_validate.c | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)

Reviewed-by: Andrea Bolognani <abologna@redhat.com>

-- 
Andrea Bolognani / Red Hat / Virtualization
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