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path: root/drivers/scsi/scsi_trace.c
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Diffstat (limited to 'drivers/scsi/scsi_trace.c')
-rw-r--r--drivers/scsi/scsi_trace.c161
1 files changed, 161 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
index 08bb47b53..0ff083bbf 100644
--- a/drivers/scsi/scsi_trace.c
+++ b/drivers/scsi/scsi_trace.c
@@ -17,6 +17,7 @@
*/
#include <linux/kernel.h>
#include <linux/trace_seq.h>
+#include <asm/unaligned.h>
#include <trace/events/scsi.h>
#define SERVICE_ACTION16(cdb) (cdb[1] & 0x1f)
@@ -231,6 +232,158 @@ out:
}
static const char *
+scsi_trace_maintenance_in(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = trace_seq_buffer_ptr(p), *cmd;
+ u32 alloc_len;
+
+ switch (SERVICE_ACTION16(cdb)) {
+ case MI_REPORT_IDENTIFYING_INFORMATION:
+ cmd = "REPORT_IDENTIFYING_INFORMATION";
+ break;
+ case MI_REPORT_TARGET_PGS:
+ cmd = "REPORT_TARGET_PORT_GROUPS";
+ break;
+ case MI_REPORT_ALIASES:
+ cmd = "REPORT_ALIASES";
+ break;
+ case MI_REPORT_SUPPORTED_OPERATION_CODES:
+ cmd = "REPORT_SUPPORTED_OPERATION_CODES";
+ break;
+ case MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS:
+ cmd = "REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS";
+ break;
+ case MI_REPORT_PRIORITY:
+ cmd = "REPORT_PRIORITY";
+ break;
+ case MI_REPORT_TIMESTAMP:
+ cmd = "REPORT_TIMESTAMP";
+ break;
+ case MI_MANAGEMENT_PROTOCOL_IN:
+ cmd = "MANAGEMENT_PROTOCOL_IN";
+ break;
+ default:
+ trace_seq_puts(p, "UNKNOWN");
+ goto out;
+ }
+
+ alloc_len = get_unaligned_be32(&cdb[6]);
+
+ trace_seq_printf(p, "%s alloc_len=%u", cmd, alloc_len);
+
+out:
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
+scsi_trace_maintenance_out(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = trace_seq_buffer_ptr(p), *cmd;
+ u32 alloc_len;
+
+ switch (SERVICE_ACTION16(cdb)) {
+ case MO_SET_IDENTIFYING_INFORMATION:
+ cmd = "SET_IDENTIFYING_INFORMATION";
+ break;
+ case MO_SET_TARGET_PGS:
+ cmd = "SET_TARGET_PORT_GROUPS";
+ break;
+ case MO_CHANGE_ALIASES:
+ cmd = "CHANGE_ALIASES";
+ break;
+ case MO_SET_PRIORITY:
+ cmd = "SET_PRIORITY";
+ break;
+ case MO_SET_TIMESTAMP:
+ cmd = "SET_TIMESTAMP";
+ break;
+ case MO_MANAGEMENT_PROTOCOL_OUT:
+ cmd = "MANAGEMENT_PROTOCOL_OUT";
+ break;
+ default:
+ trace_seq_puts(p, "UNKNOWN");
+ goto out;
+ }
+
+ alloc_len = get_unaligned_be32(&cdb[6]);
+
+ trace_seq_printf(p, "%s alloc_len=%u", cmd, alloc_len);
+
+out:
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
+scsi_trace_zbc_in(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = trace_seq_buffer_ptr(p), *cmd;
+ u64 zone_id;
+ u32 alloc_len;
+ u8 options;
+
+ switch (SERVICE_ACTION16(cdb)) {
+ case ZI_REPORT_ZONES:
+ cmd = "REPORT_ZONES";
+ break;
+ default:
+ trace_seq_puts(p, "UNKNOWN");
+ goto out;
+ }
+
+ zone_id = get_unaligned_be64(&cdb[2]);
+ alloc_len = get_unaligned_be32(&cdb[10]);
+ options = cdb[14] & 0x3f;
+
+ trace_seq_printf(p, "%s zone=%llu alloc_len=%u options=%u partial=%u",
+ cmd, (unsigned long long)zone_id, alloc_len,
+ options, (cdb[14] >> 7) & 1);
+
+out:
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
+scsi_trace_zbc_out(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = trace_seq_buffer_ptr(p), *cmd;
+ u64 zone_id;
+
+ switch (SERVICE_ACTION16(cdb)) {
+ case ZO_CLOSE_ZONE:
+ cmd = "CLOSE_ZONE";
+ break;
+ case ZO_FINISH_ZONE:
+ cmd = "FINISH_ZONE";
+ break;
+ case ZO_OPEN_ZONE:
+ cmd = "OPEN_ZONE";
+ break;
+ case ZO_RESET_WRITE_POINTER:
+ cmd = "RESET_WRITE_POINTER";
+ break;
+ default:
+ trace_seq_puts(p, "UNKNOWN");
+ goto out;
+ }
+
+ zone_id = get_unaligned_be64(&cdb[2]);
+
+ trace_seq_printf(p, "%s zone=%llu all=%u", cmd,
+ (unsigned long long)zone_id, cdb[14] & 1);
+
+out:
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len)
{
switch (SERVICE_ACTION32(cdb)) {
@@ -282,6 +435,14 @@ scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len)
return scsi_trace_service_action_in(p, cdb, len);
case VARIABLE_LENGTH_CMD:
return scsi_trace_varlen(p, cdb, len);
+ case MAINTENANCE_IN:
+ return scsi_trace_maintenance_in(p, cdb, len);
+ case MAINTENANCE_OUT:
+ return scsi_trace_maintenance_out(p, cdb, len);
+ case ZBC_IN:
+ return scsi_trace_zbc_in(p, cdb, len);
+ case ZBC_OUT:
+ return scsi_trace_zbc_out(p, cdb, len);
default:
return scsi_trace_misc(p, cdb, len);
}