>>>>> "Sagi" == Sagi Grimberg <sagig@xxxxxxxxxxxxxxxxxx> writes: >> Per SBC, PI must be initialized to 0xffffffffffffffff. Since an app >> tag value of 0xffff is an escape, this will prevent both target and >> initiator from performing PI-verification when that block is read. Sagi> OK, so this is an implicit escape (which will become explicit in Sagi> DIX1.1?). So I will open that in DIF RDMA verbs. DIX 1.0 says: "If a storage device returns a value of 0xFFFF in the application tag and the device is formatted with T10 PI Type 1 or 2 protection, the I/O controller must disable integrity checking for that sector." In DIX 1.1 it is explicit by way of the DIX_APP_ESCAPE flag. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
