linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.h
Rahul Lakkireddy 1dde532dd0 cxgb4: collect hardware dump in second kernel
Register callback to collect hardware/firmware dumps in second kernel
before hardware/firmware is initialized. The dumps for each device
will be available as elf notes in /proc/vmcore in second kernel.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-14 13:46:05 -04:00

52 lines
1.7 KiB
C

/*
* 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 __CXGB4_CUDBG_H__
#define __CXGB4_CUDBG_H__
#include "cudbg_if.h"
#include "cudbg_lib_common.h"
#include "cudbg_entity.h"
#include "cudbg_lib.h"
#define CUDBG_DUMP_BUFF_SIZE (32 * 1024 * 1024) /* 32 MB */
#define CUDBG_COMPRESS_BUFF_SIZE (4 * 1024 * 1024) /* 4 MB */
typedef int (*cudbg_collect_callback_t)(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
struct cxgb4_collect_entity {
enum cudbg_dbg_entity_type entity;
cudbg_collect_callback_t collect_cb;
};
enum CXGB4_ETHTOOL_DUMP_FLAGS {
CXGB4_ETH_DUMP_NONE = ETH_FW_DUMP_DISABLE,
CXGB4_ETH_DUMP_MEM = (1 << 0), /* On-Chip Memory Dumps */
CXGB4_ETH_DUMP_HW = (1 << 1), /* various FW and HW dumps */
};
#define CXGB4_ETH_DUMP_ALL (CXGB4_ETH_DUMP_MEM | CXGB4_ETH_DUMP_HW)
u32 cxgb4_get_dump_length(struct adapter *adap, u32 flag);
int cxgb4_cudbg_collect(struct adapter *adap, void *buf, u32 *buf_size,
u32 flag);
void cxgb4_init_ethtool_dump(struct adapter *adapter);
int cxgb4_cudbg_vmcore_add_dump(struct adapter *adap);
#endif /* __CXGB4_CUDBG_H__ */