Release 4.16 drivers/net/ethernet/chelsio/cxgb4/cudbg_lib_common.h

/*
 *  Copyright (C) 2017 Chelsio Communications.  All rights reserved.
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms and conditions of the GNU General Public License,
 *  version 2, as published by the Free Software Foundation.
 *
 *  This program is distributed in the hope it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 *  more details.
 *
 *  The full GNU General Public License is included in this distribution in
 *  the file called "COPYING".
 *
 */

#ifndef __CUDBG_LIB_COMMON_H__

#define __CUDBG_LIB_COMMON_H__


#define CUDBG_SIGNATURE 67856866 
/* CUDB in ascii */


enum cudbg_dump_type {
	
CUDBG_DUMP_TYPE_MINI = 1,
};


enum cudbg_compression_type {
	
CUDBG_COMPRESSION_NONE = 1,
	
CUDBG_COMPRESSION_ZLIB,
};


struct cudbg_hdr {
	
u32 signature;
	
u32 hdr_len;
	
u16 major_ver;
	
u16 minor_ver;
	
u32 data_len;
	
u32 hdr_flags;
	
u16 max_entities;
	
u8 chip_ver;
	
u8 dump_type:3;
	
u8 reserved1:1;
	
u8 compress_type:4;
	
u32 reserved[8];
};


struct cudbg_entity_hdr {
	
u32 entity_type;
	
u32 start_offset;
	
u32 size;
	
int hdr_flags;
	
u32 sys_warn;
	
u32 sys_err;
	
u8 num_pad;
	
u8 flag;             /* bit 0 is used to indicate ext data */
	
u8 reserved1[2];
	
u32 next_ext_offset; /* pointer to next extended entity meta data */
	
u32 reserved[5];
};


struct cudbg_ver_hdr {
	
u32 signature;
	
u16 revision;
	
u16 size;
};


struct cudbg_buffer {
	
u32 size;
	
u32 offset;
	
char *data;
};


struct cudbg_error {
	
int sys_err;
	
int sys_warn;
	
int app_err;
};


#define CDUMP_MAX_COMP_BUF_SIZE ((64 * 1024) - 1)

#define CUDBG_CHUNK_SIZE ((CDUMP_MAX_COMP_BUF_SIZE / 1024) * 1024)

int cudbg_get_buff(struct cudbg_init *pdbg_init,
		   struct cudbg_buffer *pdbg_buff, u32 size,
		   struct cudbg_buffer *pin_buff);
void cudbg_put_buff(struct cudbg_init *pdbg_init,
		    struct cudbg_buffer *pin_buff);
void cudbg_update_buff(struct cudbg_buffer *pin_buff,
		       struct cudbg_buffer *pout_buff);
#endif /* __CUDBG_LIB_COMMON_H__ */
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Directory: drivers/net/ethernet/chelsio/cxgb4

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