diff options
Diffstat (limited to 'drivers/scsi/fnic/fnic_trace.h')
| -rw-r--r-- | drivers/scsi/fnic/fnic_trace.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_trace.h b/drivers/scsi/fnic/fnic_trace.h index d412f2ee3c4f..a8aa0578fcb0 100644 --- a/drivers/scsi/fnic/fnic_trace.h +++ b/drivers/scsi/fnic/fnic_trace.h @@ -19,6 +19,17 @@ #define __FNIC_TRACE_H__ #define FNIC_ENTRY_SIZE_BYTES 64 +#define FC_TRC_SIZE_BYTES 256 +#define FC_TRC_HEADER_SIZE sizeof(struct fc_trace_hdr) + +/* + * Fisrt bit of FNIC_FC_RECV and FNIC_FC_SEND is used to represent the type + * of frame 1 => Eth frame, 0=> FC frame + */ + +#define FNIC_FC_RECV 0x52 /* Character R */ +#define FNIC_FC_SEND 0x54 /* Character T */ +#define FNIC_FC_LE 0x4C /* Character L */ extern ssize_t simple_read_from_buffer(void __user *to, size_t count, @@ -30,6 +41,10 @@ extern unsigned int fnic_trace_max_pages; extern int fnic_tracing_enabled; extern unsigned int trace_max_pages; +extern unsigned int fnic_fc_trace_max_pages; +extern int fnic_fc_tracing_enabled; +extern int fnic_fc_trace_cleared; + typedef struct fnic_trace_dbg { int wr_idx; int rd_idx; @@ -56,6 +71,16 @@ struct fnic_trace_data { typedef struct fnic_trace_data fnic_trace_data_t; +struct fc_trace_hdr { + struct timespec time_stamp; + u32 host_no; + u8 frame_type; + u8 frame_len; +} __attribute__((__packed__)); + +#define FC_TRACE_ADDRESS(a) \ + ((unsigned long)(a) + sizeof(struct fc_trace_hdr)) + #define FNIC_TRACE_ENTRY_SIZE \ (FNIC_ENTRY_SIZE_BYTES - sizeof(fnic_trace_data_t)) @@ -88,4 +113,17 @@ int fnic_debugfs_init(void); void fnic_debugfs_terminate(void); int fnic_trace_debugfs_init(void); void fnic_trace_debugfs_terminate(void); + +/* Fnic FC CTLR Trace releated function */ +int fnic_fc_trace_init(void); +void fnic_fc_trace_free(void); +int fnic_fc_trace_set_data(u32 host_no, u8 frame_type, + char *frame, u32 fc_frame_len); +int fnic_fc_trace_get_data(fnic_dbgfs_t *fnic_dbgfs_prt, u8 rdata_flag); +void copy_and_format_trace_data(struct fc_trace_hdr *tdata, + fnic_dbgfs_t *fnic_dbgfs_prt, + int *len, u8 rdata_flag); +int fnic_fc_trace_debugfs_init(void); +void fnic_fc_trace_debugfs_terminate(void); + #endif |