diff options
| author | Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> | 2018-01-17 12:53:47 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-19 14:56:32 -0500 |
| commit | 91c1953de38725d41cf9a677569a8cc280065064 (patch) | |
| tree | 69bb3d2dd776fa0c0f95a1d72b1d6c7e4993fd25 /drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h | |
| parent | 56cf2635ce30febd448dc78ff5361e4d9ad2fc0e (diff) | |
cxgb4: use zlib deflate to compress firmware dump
Use zlib deflate to compress firmware dump. Collect and compress
as much firmware dump as possible into a 32 MB buffer.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h index f4b4a4a2301d..9d55c4c38c84 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h @@ -18,10 +18,39 @@ #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) +{ +#ifdef CONFIG_ZLIB_DEFLATE + return zlib_deflate_workspacesize(CUDBG_ZLIB_WIN_BITS, + CUDBG_ZLIB_MEM_LVL); +#else + return 0; +#endif /* CONFIG_ZLIB_DEFLATE */ +} + +#ifndef CONFIG_ZLIB_DEFLATE static inline int cudbg_compress_buff(struct cudbg_init *pdbg_init, struct cudbg_buffer *pin_buff, struct cudbg_buffer *pout_buff) { return 0; } +#else +int cudbg_compress_buff(struct cudbg_init *pdbg_init, + struct cudbg_buffer *pin_buff, + struct cudbg_buffer *pout_buff); +#endif /* CONFIG_ZLIB_DEFLATE */ #endif /* __CUDBG_ZLIB_H__ */ |