[SCSI] Include protection operation in SCSI command trace
When debugging DIF/DIX it is very helpful to be able to see which DIX
operation is associated with the scsi_cmnd. Include the protection op in
the SCSI command trace.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
index 25fbefd..db6c935 100644
--- a/include/trace/events/scsi.h
+++ b/include/trace/events/scsi.h
@@ -184,6 +184,17 @@
scsi_statusbyte_name(SAM_STAT_ACA_ACTIVE), \
scsi_statusbyte_name(SAM_STAT_TASK_ABORTED))
+#define scsi_prot_op_name(result) { result, #result }
+#define show_prot_op_name(val) \
+ __print_symbolic(val, \
+ scsi_prot_op_name(SCSI_PROT_NORMAL), \
+ scsi_prot_op_name(SCSI_PROT_READ_INSERT), \
+ scsi_prot_op_name(SCSI_PROT_WRITE_STRIP), \
+ scsi_prot_op_name(SCSI_PROT_READ_STRIP), \
+ scsi_prot_op_name(SCSI_PROT_WRITE_INSERT), \
+ scsi_prot_op_name(SCSI_PROT_READ_PASS), \
+ scsi_prot_op_name(SCSI_PROT_WRITE_PASS))
+
const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int);
#define __parse_cdb(cdb, len) scsi_trace_parse_cdb(p, cdb, len)
@@ -202,6 +213,7 @@
__field( unsigned int, cmd_len )
__field( unsigned int, data_sglen )
__field( unsigned int, prot_sglen )
+ __field( unsigned char, prot_op )
__dynamic_array(unsigned char, cmnd, cmd->cmd_len)
),
@@ -214,13 +226,15 @@
__entry->cmd_len = cmd->cmd_len;
__entry->data_sglen = scsi_sg_count(cmd);
__entry->prot_sglen = scsi_prot_sg_count(cmd);
+ __entry->prot_op = scsi_get_prot_op(cmd);
memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
),
TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
- " cmnd=(%s %s raw=%s)",
+ " prot_op=%s cmnd=(%s %s raw=%s)",
__entry->host_no, __entry->channel, __entry->id,
__entry->lun, __entry->data_sglen, __entry->prot_sglen,
+ show_prot_op_name(__entry->prot_op),
show_opcode_name(__entry->opcode),
__parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
__print_hex(__get_dynamic_array(cmnd), __entry->cmd_len))
@@ -242,6 +256,7 @@
__field( unsigned int, cmd_len )
__field( unsigned int, data_sglen )
__field( unsigned int, prot_sglen )
+ __field( unsigned char, prot_op )
__dynamic_array(unsigned char, cmnd, cmd->cmd_len)
),
@@ -255,13 +270,15 @@
__entry->cmd_len = cmd->cmd_len;
__entry->data_sglen = scsi_sg_count(cmd);
__entry->prot_sglen = scsi_prot_sg_count(cmd);
+ __entry->prot_op = scsi_get_prot_op(cmd);
memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
),
TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
- " cmnd=(%s %s raw=%s) rtn=%d",
+ " prot_op=%s cmnd=(%s %s raw=%s) rtn=%d",
__entry->host_no, __entry->channel, __entry->id,
__entry->lun, __entry->data_sglen, __entry->prot_sglen,
+ show_prot_op_name(__entry->prot_op),
show_opcode_name(__entry->opcode),
__parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
__print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
@@ -284,6 +301,7 @@
__field( unsigned int, cmd_len )
__field( unsigned int, data_sglen )
__field( unsigned int, prot_sglen )
+ __field( unsigned char, prot_op )
__dynamic_array(unsigned char, cmnd, cmd->cmd_len)
),
@@ -297,14 +315,16 @@
__entry->cmd_len = cmd->cmd_len;
__entry->data_sglen = scsi_sg_count(cmd);
__entry->prot_sglen = scsi_prot_sg_count(cmd);
+ __entry->prot_op = scsi_get_prot_op(cmd);
memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
),
TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u " \
- "prot_sgl=%u cmnd=(%s %s raw=%s) result=(driver=%s host=%s " \
- "message=%s status=%s)",
+ "prot_sgl=%u prot_op=%s cmnd=(%s %s raw=%s) result=(driver=" \
+ "%s host=%s message=%s status=%s)",
__entry->host_no, __entry->channel, __entry->id,
__entry->lun, __entry->data_sglen, __entry->prot_sglen,
+ show_prot_op_name(__entry->prot_op),
show_opcode_name(__entry->opcode),
__parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
__print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),