diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h new file mode 100644 index 000000000..f6d83289f --- /dev/null +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2018 Chelsio Communications. All rights reserved. + */ + +#ifndef __CUDBG_ZLIB_H__ +#define __CUDBG_ZLIB_H__ + +#include <linux/zlib.h> + +#define CUDBG_ZLIB_COMPRESS_ID 17 +#define CUDBG_ZLIB_WIN_BITS 12 +#define CUDBG_ZLIB_MEM_LVL 4 + +struct cudbg_compress_hdr { + u32 compress_id; + u64 decompress_size; + u64 compress_size; + u64 rsvd[32]; +}; + +static inline int cudbg_get_workspace_size(void) +{ + return zlib_deflate_workspacesize(CUDBG_ZLIB_WIN_BITS, + CUDBG_ZLIB_MEM_LVL); +} + +int cudbg_compress_buff(struct cudbg_init *pdbg_init, + struct cudbg_buffer *pin_buff, + struct cudbg_buffer *pout_buff); +#endif /* __CUDBG_ZLIB_H__ */ |