scsi-trace: define ZBC_IN and ZBC_OUT

Add new trace functions for ZBC_IN and ZBC_OUT.

Reviewed-by: Doug Gilbert <dgilbert@interlog.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

3 files changed, 81 insertions, 0 deletions

diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
index 76d4e6fd9dc1..0ff083bbf5b1 100644
--- a/drivers/scsi/scsi_trace.c
+++ b/drivers/scsi/scsi_trace.c
@@ -318,6 +318,72 @@ out:
 }
 
 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)) {
@@ -373,6 +439,10 @@ scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len)
                 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);
         }
diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h
index c2ae21cbaa2c..d1defd1ebd95 100644
--- a/include/scsi/scsi_proto.h
+++ b/include/scsi/scsi_proto.h
@@ -115,6 +115,8 @@
 #define VERIFY_16             0x8f
 #define SYNCHRONIZE_CACHE_16  0x91
 #define WRITE_SAME_16         0x93
+#define ZBC_OUT               0x94
+#define ZBC_IN                0x95
 #define SERVICE_ACTION_BIDIRECTIONAL 0x9d
 #define SERVICE_ACTION_IN_16  0x9e
 #define SERVICE_ACTION_OUT_16 0x9f
@@ -143,6 +145,13 @@
 #define MO_SET_PRIORITY       0x0e
 #define MO_SET_TIMESTAMP      0x0f
 #define MO_MANAGEMENT_PROTOCOL_OUT 0x10
+/* values for ZBC_IN */
+#define ZI_REPORT_ZONES       0x00
+/* values for ZBC_OUT */
+#define ZO_CLOSE_ZONE         0x01
+#define ZO_FINISH_ZONE        0x02
+#define ZO_OPEN_ZONE          0x03
+#define ZO_RESET_WRITE_POINTER 0x04
 /* values for variable length command */
 #define XDREAD_32             0x03
 #define XDWRITE_32            0x04
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
index 5c0d91f16c74..9a9b3e2550af 100644
--- a/include/trace/events/scsi.h
+++ b/include/trace/events/scsi.h
@@ -94,6 +94,8 @@
                 scsi_opcode_name(WRITE_16),                     \
                 scsi_opcode_name(VERIFY_16),                    \
                 scsi_opcode_name(WRITE_SAME_16),                \
+                scsi_opcode_name(ZBC_OUT),                      \
+                scsi_opcode_name(ZBC_IN),                       \
                 scsi_opcode_name(SERVICE_ACTION_IN_16),         \
                 scsi_opcode_name(READ_32),                      \
                 scsi_opcode_name(WRITE_32),                     \