Merge remote-tracking branch 'asoc/fix/core' into asoc-linus

[firefly-linux-kernel-4.4.55.git] / drivers / scsi / fnic / fnic_trace.h

diff --git a/drivers/scsi/fnic/fnic_trace.h b/drivers/scsi/fnic/fnic_trace.h
index d412f2ee3c4fec83ee58b52ec5b7370658e39fdf..a8aa0578fcb0a1d9a50cb14384360f79bce4f23d 100644 (file)
--- 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