typedef struct sg_scsi_id { /* used by SG_GET_SCSI_ID ioctl() */ int host_no; /* as in "scsi<n>" where 'n' is one of 0, 1, 2 etc */ int channel; int scsi_id; /* scsi id of target device */ int lun; int scsi_type; /* TYPE_... defined in scsi/scsi.h */ short h_cmd_per_lun;/* host (adapter) maximum commands per lun */ short d_queue_depth;/* device (or adapter) maximum queue length */ int unused[2]; /* probably find a good use, set 0 for now */ } sg_scsi_id_t; |