Hi,
In include/ddk/scsi.h:
typedef union _CDB {
...
struct _GET_CONFIGURATION {
UCHAR OperationCode;
UCHAR RequestType:1;
UCHAR Reserved1:7;
UCHAR StartingFeature[2];
UCHAR Reserved2[3];
UCHAR AllocationLength[2];
UCHAR Control;
} GET_CONFIGURATION;
...
} CDB, *PCDB;
RequestType:1 only reserves one bit, which is wrong. The field should
reserve two bits, see any MMC spec (e.g.
http://www.13thmonkey.org/documentation/SCSI/mmc2r11a.pdf, page 141).
In Windows SDK it correctly reserves 2 bits, e.g.:
https://github.com/tpn/winsdk-10/blob/9b69fd26ac0c7d0b83d378dba01080e93349c2ed/Include/10.0.16299.0/shared/scsi.h#L1247
As a result it is currently impossible to set it to 10b to request only one
feature header.
--
Best regards,
Alex
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