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Diffstat (limited to 'drivers/scsi/fnic/fnic_trace.h')
-rw-r--r--drivers/scsi/fnic/fnic_trace.h38
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