[PATCH v1 21/31] domain_conf: Introduce virDomainDefHasNVMeDisk

[Michal Privoznik <mprivozn@xxxxxxxxxx>]

This function will return true if any of disks (or their backing
chain) for given domain contains an NVMe disk.

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/conf/domain_conf.c   | 14 ++++++++++++++
 src/conf/domain_conf.h   |  3 +++
 src/libvirt_private.syms |  1 +
 3 files changed, 18 insertions(+)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 73f5e1fa0f..1b6ee3bfa6 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -31431,6 +31431,20 @@ virDomainDefHasManagedPR(const virDomainDef *def)
 }
 
 
+bool
+virDomainDefHasNVMeDisk(const virDomainDef *def)
+{
+    size_t i;
+
+    for (i = 0; i < def->ndisks; i++) {
+        if (virStorageSourceChainHasNVMe(def->disks[i]->src))
+            return true;
+    }
+
+    return false;
+}
+
+
 /**
  * virDomainGraphicsDefHasOpenGL:
  * @def: domain definition
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index c1b5fc1337..2a067633bd 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3611,6 +3611,9 @@ virDomainDiskGetDetectZeroesMode(virDomainDiskDiscard discard,
 bool
 virDomainDefHasManagedPR(const virDomainDef *def);
 
+bool
+virDomainDefHasNVMeDisk(const virDomainDef *def);
+
 bool
 virDomainGraphicsDefHasOpenGL(const virDomainDef *def);
 
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 5b7aa58dd8..15bfae115f 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -284,6 +284,7 @@ virDomainDefHasDeviceAddress;
 virDomainDefHasManagedPR;
 virDomainDefHasMemballoon;
 virDomainDefHasMemoryHotplug;
+virDomainDefHasNVMeDisk;
 virDomainDefHasUSB;
 virDomainDefHasVcpusOffline;
 virDomainDefLifecycleActionAllowed;
-- 
2.21.0

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