46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
|
||
|
|
|
||
|
|
#ifndef _FBNIC_FW_LOG_H_
|
||
|
|
#define _FBNIC_FW_LOG_H_
|
||
|
|
|
||
|
|
#include <linux/spinlock.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
/* A 512K log buffer was chosen fairly arbitrarily */
|
||
|
|
#define FBNIC_FW_LOG_SIZE (512 * 1024) /* bytes */
|
||
|
|
|
||
|
|
/* Firmware log output is prepended with log index followed by a timestamp.
|
||
|
|
* The timestamp is similar to Zephyr's format DD:HH:MM:SS.MMM
|
||
|
|
*/
|
||
|
|
#define FBNIC_FW_LOG_FMT "[%5lld] [%02ld:%02ld:%02ld:%02ld.%03ld] %s\n"
|
||
|
|
|
||
|
|
struct fbnic_dev;
|
||
|
|
|
||
|
|
struct fbnic_fw_log_entry {
|
||
|
|
struct list_head list;
|
||
|
|
u64 index;
|
||
|
|
u32 timestamp;
|
||
|
|
u16 len;
|
||
|
|
char msg[] __counted_by(len);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct fbnic_fw_log {
|
||
|
|
void *data_start;
|
||
|
|
void *data_end;
|
||
|
|
size_t size;
|
||
|
|
struct list_head entries;
|
||
|
|
/* Spin lock for accessing or modifying entries */
|
||
|
|
spinlock_t lock;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define fbnic_fw_log_ready(_fbd) (!!(_fbd)->fw_log.data_start)
|
||
|
|
|
||
|
|
void fbnic_fw_log_enable(struct fbnic_dev *fbd, bool send_hist);
|
||
|
|
void fbnic_fw_log_disable(struct fbnic_dev *fbd);
|
||
|
|
int fbnic_fw_log_init(struct fbnic_dev *fbd);
|
||
|
|
void fbnic_fw_log_free(struct fbnic_dev *fbd);
|
||
|
|
int fbnic_fw_log_write(struct fbnic_dev *fbd, u64 index, u32 timestamp,
|
||
|
|
const char *msg);
|
||
|
|
#endif /* _FBNIC_FW_LOG_H_ */
|