fastlz_api.c File Reference

#include <sys/cdefs.h>
#include "osdep.h"
#include "cudbg.h"
#include "cudbg_lib_common.h"
#include "fastlz.h"

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Macros
#define	CUDBG_BLOCK_SIZE   (63*1024)
#define	CUDBG_CHUNK_BUF_LEN   16
#define	CUDBG_MIN_COMPR_LEN   32 /*min data length for applying compression*/
#define	ADLER32_BASE   65521

Functions
	__FBSDID ("$FreeBSD$")
static unsigned long	update_adler32 (unsigned long checksum, const void *buf, int len)
int	write_magic (struct cudbg_buffer *_out_buff)
int	write_to_buf (void *out_buf, u32 out_buf_size, u32 *offset, void *in_buf, u32 in_buf_size)
int	read_from_buf (void *in_buf, u32 in_buf_size, u32 *offset, void *out_buf, u32 out_buf_size)
int	write_chunk_header (struct cudbg_buffer *_outbuf, int id, int options, unsigned long size, unsigned long checksum, unsigned long extra)
int	write_compression_hdr (struct cudbg_buffer *pin_buff, struct cudbg_buffer *pout_buff)
int	compress_buff (struct cudbg_buffer *pin_buff, struct cudbg_buffer *pout_buff)
int	detect_magic (struct cudbg_buffer *_c_buff)
static unsigned long	readU16 (const unsigned char *ptr)
static unsigned long	readU32 (const unsigned char *ptr)
int	read_chunk_header (struct cudbg_buffer *pc_buff, int *pid, int *poptions, unsigned long *psize, unsigned long *pchecksum, unsigned long *pextra)
int	validate_buffer (struct cudbg_buffer *compressed_buffer)
int	decompress_buffer (struct cudbg_buffer *pc_buff, struct cudbg_buffer *pd_buff)

Variables
static unsigned char	sixpack_magic [8] = {137, '6', 'P', 'K', 13, 10, 26, 10}

Macro Definition Documentation

ADLER32_BASE

#define ADLER32_BASE   65521

Definition at line 42 of file fastlz_api.c.

CUDBG_BLOCK_SIZE

#define CUDBG_BLOCK_SIZE   (63*1024)

Definition at line 36 of file fastlz_api.c.

CUDBG_CHUNK_BUF_LEN

#define CUDBG_CHUNK_BUF_LEN   16

Definition at line 37 of file fastlz_api.c.

CUDBG_MIN_COMPR_LEN

#define CUDBG_MIN_COMPR_LEN   32 /*min data length for applying compression*/

Definition at line 38 of file fastlz_api.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

compress_buff()

int compress_buff	(	struct cudbg_buffer *	pin_buff,
		struct cudbg_buffer *	pout_buff
	)

Definition at line 209 of file fastlz_api.c.

References CUDBG_BLOCK_SIZE, cudbg_buffer::data, fastlz_compress_level(), get_scratch_buff(), cudbg_buffer::offset, release_scratch_buff(), cudbg_hdr::reserved, cudbg_buffer::size, update_adler32(), write_chunk_header(), and write_to_buf().

Referenced by collect_cctrl(), collect_cim_la(), collect_cim_ma_la(), collect_cim_pif_la(), collect_cim_qcfg(), collect_clk_info(), collect_cpl_stats(), collect_ddp_stats(), collect_dump_context(), collect_fcoe_stats(), collect_full(), collect_fw_devlog(), collect_hma_indirect(), collect_hw_sched(), collect_lb_stats(), collect_ma_indirect(), collect_macstats(), collect_mbox_log(), collect_meminfo(), collect_mps_tcam(), collect_path_mtu(), collect_pbt_tables(), collect_pcie_config(), collect_pcie_indirect(), collect_pm_indirect(), collect_pm_stats(), collect_rdma_stats(), collect_reg_dump(), collect_rss(), collect_rss_config(), collect_rss_key(), collect_rss_pf_config(), collect_rss_vf_config(), collect_sge_indirect(), collect_sw_state(), collect_tcp_stats(), collect_tid(), collect_tp_err_stats(), collect_tp_indirect(), collect_tp_la(), collect_tx_rate(), collect_ulprx_la(), collect_ulptx_la(), collect_up_cim_indirect(), collect_vpd_data(), collect_wc_stats(), read_cim_ibq(), read_cim_obq(), read_fw_mem(), t5_wtp_data(), and t6_wtp_data().

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decompress_buffer()

int decompress_buffer	(	struct cudbg_buffer *	pc_buff,
		struct cudbg_buffer *	pd_buff
	)

Definition at line 340 of file fastlz_api.c.

References CUDBG_BLOCK_SIZE, CUDBG_MIN_COMPR_LEN, CUDBG_STATUS_CHKSUM_MISSMATCH, CUDBG_STATUS_DECOMPRESS_FAIL, CUDBG_STATUS_SMALL_BUFF, cudbg_buffer::data, fastlz_decompress(), get_scratch_buff(), cudbg_buffer::offset, r, read_chunk_header(), read_from_buf(), readU32(), release_scratch_buff(), cudbg_buffer::size, update_adler32(), and write_to_buf().

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detect_magic()

int detect_magic

(

struct cudbg_buffer *

_c_buff

)

Definition at line 285 of file fastlz_api.c.

References cudbg_buffer::data, cudbg_buffer::offset, read_from_buf(), sixpack_magic, and cudbg_buffer::size.

Referenced by validate_buffer().

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read_chunk_header()

int read_chunk_header	(	struct cudbg_buffer *	pc_buff,
		int *	pid,
		int *	poptions,
		unsigned long *	psize,
		unsigned long *	pchecksum,
		unsigned long *	pextra
	)

Definition at line 314 of file fastlz_api.c.

References CUDBG_CHUNK_BUF_LEN, cudbg_buffer::data, cudbg_buffer::offset, read_from_buf(), readU16(), readU32(), and cudbg_buffer::size.

Referenced by decompress_buffer().

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read_from_buf()

int read_from_buf	(	void *	in_buf,
		u32	in_buf_size,
		u32 *	offset,
		void *	out_buf,
		u32	out_buf_size
	)

Definition at line 103 of file fastlz_api.c.

Referenced by decompress_buffer(), detect_magic(), and read_chunk_header().

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readU16()

static unsigned long readU16 ( const unsigned char *  ptr )

inlinestatic

Definition at line 304 of file fastlz_api.c.

Referenced by read_chunk_header().

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readU32()

static unsigned long readU32 ( const unsigned char *  ptr )

inlinestatic

Definition at line 309 of file fastlz_api.c.

Referenced by decompress_buffer(), and read_chunk_header().

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update_adler32()

static unsigned long update_adler32 ( unsigned long  checksum, const void *  buf, int  len  )

inlinestatic

Definition at line 44 of file fastlz_api.c.

References ADLER32_BASE.

Referenced by compress_buff(), decompress_buffer(), and write_compression_hdr().

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validate_buffer()

int validate_buffer

(

struct cudbg_buffer *

compressed_buffer

)

Definition at line 332 of file fastlz_api.c.

References CUDBG_STATUS_INVALID_BUFF, and detect_magic().

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write_chunk_header()

int write_chunk_header	(	struct cudbg_buffer *	_outbuf,
		int	id,
		int	options,
		unsigned long	size,
		unsigned long	checksum,
		unsigned long	extra
	)

Definition at line 114 of file fastlz_api.c.

References CUDBG_CHUNK_BUF_LEN, cudbg_buffer::data, cudbg_buffer::offset, cudbg_buffer::size, and write_to_buf().

Referenced by compress_buff(), and write_compression_hdr().

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write_compression_hdr()

int write_compression_hdr	(	struct cudbg_buffer *	pin_buff,
		struct cudbg_buffer *	pout_buff
	)

Definition at line 144 of file fastlz_api.c.

References cudbg_buffer::data, get_scratch_buff(), cudbg_buffer::offset, release_scratch_buff(), cudbg_buffer::size, update_adler32(), write_chunk_header(), write_magic(), and write_to_buf().

Referenced by collect_cctrl(), collect_cim_la(), collect_cim_ma_la(), collect_cim_pif_la(), collect_cim_qcfg(), collect_clk_info(), collect_cpl_stats(), collect_ddp_stats(), collect_dump_context(), collect_fcoe_stats(), collect_full(), collect_fw_devlog(), collect_hma_indirect(), collect_hw_sched(), collect_lb_stats(), collect_ma_indirect(), collect_macstats(), collect_mbox_log(), collect_meminfo(), collect_mps_tcam(), collect_path_mtu(), collect_pbt_tables(), collect_pcie_config(), collect_pcie_indirect(), collect_pm_indirect(), collect_pm_stats(), collect_rdma_stats(), collect_reg_dump(), collect_rss(), collect_rss_config(), collect_rss_key(), collect_rss_pf_config(), collect_rss_vf_config(), collect_sge_indirect(), collect_sw_state(), collect_tcp_stats(), collect_tid(), collect_tp_err_stats(), collect_tp_indirect(), collect_tp_la(), collect_tx_rate(), collect_ulprx_la(), collect_ulptx_la(), collect_up_cim_indirect(), collect_vpd_data(), collect_wc_stats(), read_cim_ibq(), read_cim_obq(), read_fw_mem(), t5_wtp_data(), and t6_wtp_data().

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write_magic()

int write_magic

(

struct cudbg_buffer *

_out_buff

)

Definition at line 76 of file fastlz_api.c.

References cudbg_buffer::data, cudbg_buffer::offset, sixpack_magic, cudbg_buffer::size, and write_to_buf().

Referenced by write_compression_hdr().

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write_to_buf()

int write_to_buf	(	void *	out_buf,
		u32	out_buf_size,
		u32 *	offset,
		void *	in_buf,
		u32	in_buf_size
	)

Definition at line 86 of file fastlz_api.c.

References CUDBG_STATUS_OUTBUFF_OVERFLOW.

Referenced by compress_buff(), decompress_buffer(), write_chunk_header(), write_compression_hdr(), and write_magic().

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Variable Documentation

sixpack_magic

unsigned char sixpack_magic[8] = {137, '6', 'P', 'K', 13, 10, 26, 10}

static

Definition at line 34 of file fastlz_api.c.

Referenced by detect_magic(), and write_magic().