[libvirt] [PATCH 5/5] qemu: Implement virNodeGetFreePages

[Michal Privoznik]

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/qemu/qemu_driver.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 1191255..4d6a300 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -16868,6 +16868,48 @@ qemuDomainFSThaw(virDomainPtr dom,
 }
 
 
+static int
+qemuNodeGetFreePages(virConnectPtr conn,
+                     unsigned int npages,
+                     unsigned int *pages,
+                     int startCell,
+                     unsigned int cellCount,
+                     unsigned long long *counts,
+                     unsigned int flags)
+{
+    int ret = -1;
+    int cell;
+    size_t i, ncounts = 0;
+
+    virCheckFlags(0, ret);
+
+    if (virNodeGetFreePagesEnsureACL(conn) < 0)
+        return ret;
+
+    for (cell = startCell; cell < (int) (startCell + cellCount); cell++) {
+        for (i = 0; i < npages; i++) {
+            unsigned int page_size = pages[i];
+            unsigned int page_free;
+
+            if (virNumaGetHugePageInfo(cell, page_size, NULL, &page_free) < 0)
+                goto cleanup;
+
+            counts[ncounts++] = page_free;
+        }
+    }
+
+    if (!ncounts) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("no suitable info found"));
+        goto cleanup;
+    }
+
+    ret = ncounts;
+ cleanup:
+    return ret;
+}
+
+
 static virDriver qemuDriver = {
     .no = VIR_DRV_QEMU,
     .name = QEMU_DRIVER_NAME,
@@ -17062,6 +17104,7 @@ static virDriver qemuDriver = {
     .domainFSThaw = qemuDomainFSThaw, /* 1.2.5 */
     .domainGetTime = qemuDomainGetTime, /* 1.2.5 */
     .domainSetTime = qemuDomainSetTime, /* 1.2.5 */
+    .nodeGetFreePages = qemuNodeGetFreePages, /* 1.2.6 */
 };
 
 
-- 
1.8.5.5