From: Paul Durrant <pdurrant@amazon.com>
Date: Tue, 8 Dec 2020 19:30:13 +0000 (+0000)
Subject: libxl: add/recover 'rdm_policy' to/from PCI backend in xenstore
X-Git-Tag: archive/raspbian/4.16.0+51-g0941d6cb-1+rpi1~2^2~42^2~1292
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=d8cba539f2d94385fd2d52483d3efec72b080811;p=xen.git

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>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: Wei Liu <wl@xen.org>
---

diff --git a/tools/libs/light/libxl_pci.c b/tools/libs/light/libxl_pci.c
index 3f85f0d762..2a5a4db976 100644
--- 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));
 }
 
@@ -2374,6 +2374,9 @@ 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);
     }