vppinfra: add clib_mem_vm_ext_alloc function

Change-Id: Iff33694fc42cc3bcc73cf1372339053a6365039c
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/src/vppinfra/linux/sysfs.h b/src/vppinfra/linux/sysfs.h
new file mode 100644
index 00000000000..6c80cf95dbb
--- /dev/null
+++ b/src/vppinfra/linux/sysfs.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_linux_sysfs_h
+#define included_linux_sysfs_h
+
+#include <vppinfra/error.h>
+
+clib_error_t *clib_sysfs_write (char *file_name, char *fmt, ...);
+
+clib_error_t *clib_sysfs_read (char *file_name, char *fmt, ...);
+
+u8 *clib_sysfs_link_to_name (char *link);
+
+clib_error_t *clib_sysfs_set_nr_hugepages (int numa_node,
+					   int page_size, int nr);
+clib_error_t *clib_sysfs_get_nr_hugepages (int numa_node,
+					   int page_size, int *v);
+clib_error_t *clib_sysfs_get_free_hugepages (int numa_node,
+					     int page_size, int *v);
+clib_error_t *clib_sysfs_get_surplus_hugepages (int numa_node,
+						int page_size, int *v);
+clib_error_t *clib_sysfs_prealloc_hugepages (int numa_node,
+					     int page_size, int nr);
+
+#endif /* included_linux_sysfs_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */