diff options
Diffstat (limited to 'lib/zlib_inflate/infutil.h')
| -rw-r--r-- | lib/zlib_inflate/infutil.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/zlib_inflate/infutil.h b/lib/zlib_inflate/infutil.h index eb1a9007bd86..784ab33b7842 100644 --- 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 |