[libvirt PATCH v2 4/5] qemu: consider vdpa block devices for memlock limits

[Jonathon Jongsma <jjongsma@xxxxxxxxxx>]

vDPA block devices will also need the same consideration for memlock
limits as other vdpa devices, so consider these devices when calculating
memlock limits.

Signed-off-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>
Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/qemu/qemu_domain.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index c7d64e1b5c..52ea8f649d 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -9652,7 +9652,7 @@ qemuDomainGetNumNVMeDisks(const virDomainDef *def)
 
 
 static int
-qemuDomainGetNumVDPANetDevices(const virDomainDef *def)
+qemuDomainGetNumVDPADevices(const virDomainDef *def)
 {
     size_t i;
     int n = 0;
@@ -9662,6 +9662,14 @@ qemuDomainGetNumVDPANetDevices(const virDomainDef *def)
             n++;
     }
 
+    for (i = 0; i < def->ndisks; i++) {
+        virStorageSource *src;
+        for (src = def->disks[i]->src; src; src = src->backingStore) {
+            if (src->type == VIR_STORAGE_TYPE_VHOST_VDPA)
+                n++;
+        }
+    }
+
     return n;
 }
 
@@ -9704,7 +9712,7 @@ qemuDomainGetMemLockLimitBytes(virDomainDef *def)
 
     nvfio = qemuDomainGetNumVFIOHostdevs(def);
     nnvme = qemuDomainGetNumNVMeDisks(def);
-    nvdpa = qemuDomainGetNumVDPANetDevices(def);
+    nvdpa = qemuDomainGetNumVDPADevices(def);
     /* For device passthrough using VFIO the guest memory and MMIO memory
      * regions need to be locked persistent in order to allow DMA.
      *
-- 
2.41.0