X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=kitten%2Fuser%2Fliblwk%2Faspace.c;fp=kitten%2Fuser%2Fliblwk%2Faspace.c;h=176dd758ffe34fdfe1e4cb6e32faf646f0532304;hb=66a1a4c7a9edcd7d8bc207aca093d694a6e6b5b2;hp=0000000000000000000000000000000000000000;hpb=f7cf9c19ecb0a589dd45ae0d2c91814bd3c2acc2;p=palacios.git

diff --git a/kitten/user/liblwk/aspace.c b/kitten/user/liblwk/aspace.c
new file mode 100644
index 0000000..176dd75
--- /dev/null
+++ b/kitten/user/liblwk/aspace.c
@@ -0,0 +1,58 @@
+/* Copyright (c) 2008, Sandia National Laboratories */
+
+#include <lwk/liblwk.h>
+
+int
+aspace_map_region(
+	id_t         id,
+	vaddr_t      start,
+	size_t       extent,
+	vmflags_t    flags,
+	vmpagesize_t pagesz,
+	const char * name,
+	paddr_t      pmem
+)
+{
+	int status;
+
+	if ((status = aspace_add_region(id, start, extent, flags, pagesz, name)))
+		return status;
+
+	if ((status = aspace_map_pmem(id, pmem, start, extent))) {
+		aspace_del_region(id, start, extent);
+		return status;
+	}
+
+	return 0;
+}
+
+int
+aspace_map_region_anywhere(
+	id_t         id,
+	vaddr_t *    start,
+	size_t       extent,
+	vmflags_t    flags,
+	vmpagesize_t pagesz,
+	const char * name,
+	paddr_t      pmem
+)
+{
+	int status;
+
+retry:
+	if ((status = aspace_find_hole(id, 0, extent, pagesz, start)))
+		return status;
+
+	if ((status = aspace_add_region(id, *start, extent, flags, pagesz, name))) {
+		if (status == -ENOTUNIQ)
+			goto retry; /* we lost a race with someone */
+		return status;
+	}
+
+	if ((status = aspace_map_pmem(id, pmem, *start, extent))) {
+		aspace_del_region(id, *start, extent);
+		return status;
+	}
+
+	return 0;
+}