[v2,5/5] tools: libxendevicemodel: Provide xendevicemodel_pin_memory_cacheattr

Commit Message

Ross Lagerwall Oct. 23, 2017, 9:05 a.m. UTC

Signed-off-by: Ross Lagerwall <[e-mail]>

---
Acked-by: Ian Jackson <[e-mail]>
Reviewed-by: Paul Durrant <[e-mail]>
---
 tools/libs/devicemodel/core.c                   | 19 +++++++++++++++++++
 tools/libs/devicemodel/include/xendevicemodel.h | 14 ++++++++++++++
 tools/libs/devicemodel/libxendevicemodel.map    |  1 +
 3 files changed, 34 insertions(+)

Patch

diff --git a/tools/libs/devicemodel/core.c b/tools/libs/devicemodel/core.c
index 07953d3..e496fc9 100644
--- a/tools/libs/devicemodel/core.c
+++ b/tools/libs/devicemodel/core.c
@@ -585,6 +585,25 @@  int xendevicemodel_add_to_physmap(
     return xendevicemodel_op(dmod, domid, 1, &op, sizeof(op));
 }
 
+int xendevicemodel_pin_memory_cacheattr(
+    xendevicemodel_handle *dmod, domid_t domid, uint64_t start, uint64_t end,
+    uint32_t type)
+{
+    struct xen_dm_op op;
+    struct xen_dm_op_pin_memory_cacheattr *data;
+
+    memset(&op, 0, sizeof(op));
+
+    op.op = XEN_DMOP_pin_memory_cacheattr;
+    data = &op.u.pin_memory_cacheattr;
+
+    data->start = start;
+    data->end = end;
+    data->type = type;
+
+    return xendevicemodel_op(dmod, domid, 1, &op, sizeof(op));
+}
+
 int xendevicemodel_restrict(xendevicemodel_handle *dmod, domid_t domid)
 {
     return osdep_xendevicemodel_restrict(dmod, domid);
diff --git a/tools/libs/devicemodel/include/xendevicemodel.h b/tools/libs/devicemodel/include/xendevicemodel.h
index 6967e58..d82535b 100644
--- a/tools/libs/devicemodel/include/xendevicemodel.h
+++ b/tools/libs/devicemodel/include/xendevicemodel.h
@@ -341,6 +341,20 @@  int xendevicemodel_add_to_physmap(
     uint64_t gpfn);
 
 /**
+ * Pins caching type of RAM space.
+ *
+ * @parm dmod a handle to an open devicemodel interface.
+ * @parm domid the domain id to be serviced
+ * @parm start Start gfn
+ * @parm end End gfn
+ * @parm type XEN_DOMCTL_MEM_CACHEATTR_*
+ * @return 0 on success, -1 on failure.
+ */
+int xendevicemodel_pin_memory_cacheattr(
+    xendevicemodel_handle *dmod, domid_t domid, uint64_t start, uint64_t end,
+    uint32_t type);
+
+/**
  * This function restricts the use of this handle to the specified
  * domain.
  *
diff --git a/tools/libs/devicemodel/libxendevicemodel.map b/tools/libs/devicemodel/libxendevicemodel.map
index 4a19ecb..e820b77 100644
--- a/tools/libs/devicemodel/libxendevicemodel.map
+++ b/tools/libs/devicemodel/libxendevicemodel.map
@@ -31,4 +31,5 @@  VERS_1.1 {
 VERS_1.2 {
 	global:
 		xendevicemodel_add_to_physmap;
+		xendevicemodel_pin_memory_cacheattr;
 } VERS_1.1;