diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4.h')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 6af5242e6d21..b4fceb92479f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -359,6 +359,34 @@ struct sge_idma_monitor_state { unsigned int idma_warn[2]; /* time to warning in HZ */ }; +/* Firmware Mailbox Command/Reply log. All values are in Host-Endian format. + * The access and execute times are signed in order to accommodate negative + * error returns. + */ +struct mbox_cmd { + u64 cmd[MBOX_LEN / 8]; /* a Firmware Mailbox Command/Reply */ + u64 timestamp; /* OS-dependent timestamp */ + u32 seqno; /* sequence number */ + s16 access; /* time (ms) to access mailbox */ + s16 execute; /* time (ms) to execute */ +}; + +struct mbox_cmd_log { + unsigned int size; /* number of entries in the log */ + unsigned int cursor; /* next position in the log to write */ + u32 seqno; /* next sequence number */ + /* variable length mailbox command log starts here */ +}; + +/* Given a pointer to a Firmware Mailbox Command Log and a log entry index, + * return a pointer to the specified entry. + */ +static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log, + unsigned int entry_idx) +{ + return &((struct mbox_cmd *)&(log)[1])[entry_idx]; +} + #include "t4fw_api.h" #define FW_VERSION(chip) ( \ @@ -780,6 +808,10 @@ struct adapter { struct work_struct db_drop_task; bool tid_release_task_busy; + /* support for mailbox command/reply logging */ +#define T4_OS_LOG_MBOX_CMDS 256 + struct mbox_cmd_log *mbox_log; + struct dentry *debugfs_root; bool use_bd; /* Use SGE Back Door intfc for reading SGE Contexts */ bool trace_rss; /* 1 implies that different RSS flit per filter is |