lib/zlib: add s390 hardware support for kernel zlib_inflate

[linux-2.6-microblaze.git] / lib / zlib_inflate / infutil.h

diff --git a/lib/zlib_inflate/infutil.h b/lib/zlib_inflate/infutil.h
index eb1a900..784ab33 100644 (file)
--- a/lib/zlib_inflate/infutil.h
+++ b/lib/zlib_inflate/infutil.h
@@ -12,14 +12,28 @@
 #define _INFUTIL_H
 
 #include <linux/zlib.h>
+#ifdef CONFIG_ZLIB_DFLTCC
+#include "../zlib_dfltcc/dfltcc.h"
+#include <asm/page.h>
+#endif
 
 /* memory allocation for inflation */
 
 struct inflate_workspace {
        struct inflate_state inflate_state;
-       unsigned char working_window[1 << MAX_WBITS];
+#ifdef CONFIG_ZLIB_DFLTCC
+       struct dfltcc_state dfltcc_state;
+       unsigned char working_window[(1 << MAX_WBITS) + PAGE_SIZE];
+#else
+       unsigned char working_window[(1 << MAX_WBITS)];
+#endif
 };
 
-#define WS(z) ((struct inflate_workspace *)(z->workspace))
+#ifdef CONFIG_ZLIB_DFLTCC
+/* dfltcc_state must be doubleword aligned for DFLTCC call */
+static_assert(offsetof(struct inflate_workspace, dfltcc_state) % 8 == 0);
+#endif
+
+#define WS(strm) ((struct inflate_workspace *)(strm->workspace))
 
 #endif