libxl: add/recover 'rdm_policy' to/from PCI backend in xenstore

Other parameters, such as 'msitranslate' and 'permissive' are dealt with
but 'rdm_policy' appears to be have been completely missed.

Signed-off-by: Paul Durrant <pdurrant@amazon.com>
---
Cc: Ian Jackson <iwj@xenproject.org>
Cc: Wei Liu <wl@xen.org>

diff --git a/tools/libs/light/libxl_pci.c b/tools/libs/light/libxl_pci.c
index 278ebd9f561bcf3d725cf40231d41ed8c46929e2..06fdc50ce10cbe440cebd68c88b99b403f8808e0 100644 (file)
--- a/tools/libs/light/libxl_pci.c
+++ b/tools/libs/light/libxl_pci.c
@@ -61,9 +61,9 @@ static void libxl_create_pci_backend_device(libxl__gc *gc,
         flexarray_append_pair(back, GCSPRINTF("vdevfn-%d", num), GCSPRINTF("%x", pci->vdevfn));
     flexarray_append(back, GCSPRINTF("opts-%d", num));
     flexarray_append(back,
-              GCSPRINTF("msitranslate=%d,power_mgmt=%d,permissive=%d",
-                             pci->msitranslate, pci->power_mgmt,
-                             pci->permissive));
+              GCSPRINTF("msitranslate=%d,power_mgmt=%d,permissive=%d,rdm_policy=%s",
+                        pci->msitranslate, pci->power_mgmt,
+                        pci->permissive, libxl_rdm_reserve_policy_to_string(pci->rdm_policy)));
     flexarray_append_pair(back, GCSPRINTF("state-%d", num), GCSPRINTF("%d", XenbusStateInitialising));
 }
 
@@ -2313,6 +2313,9 @@ static int libxl__device_pci_from_xs_be(libxl__gc *gc,
             } else if (!strcmp(p, "permissive")) {
                 p = strtok_r(NULL, ",=", &saveptr);
                 pci->permissive = atoi(p);
+            } else if (!strcmp(p, "rdm_policy")) {
+                p = strtok_r(NULL, ",=", &saveptr);
+                libxl_rdm_reserve_policy_from_string(p, &pci->rdm_policy);
             }
         } while ((p = strtok_r(NULL, ",=", &saveptr)) != NULL);
     }