name: mmc_cmd_rw_start
ID: 523
format:
	field:unsigned short common_type;	offset:0;	size:2;	signed:0;
	field:unsigned char common_flags;	offset:2;	size:1;	signed:0;
	field:unsigned char common_preempt_count;	offset:3;	size:1;	signed:0;
	field:int common_pid;	offset:4;	size:4;	signed:1;

	field:unsigned int cmd;	offset:8;	size:4;	signed:0;
	field:unsigned int arg;	offset:12;	size:4;	signed:0;
	field:unsigned int flags;	offset:16;	size:4;	signed:0;

print fmt: "cmd=%u,arg=0x%08x,flags=0x%08x", REC->cmd, REC->arg, REC->flags