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a37e18f6fc
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1341 Since UFS specification requires the data buffer specified in PRDT to be DWORD aligned in size we had a code in UfsInitUtpPrdt that aligned the data buffer by rounding down the buffer size to DWORD boundary. This meant that for SCSI commands that wanted to perform unaligned data transfer(such as SENSE command) we specified to small buffer for the data to fit and transfer was aborted. This change introduces code that allocates auxiliary DWORD aligned data buffer for unaligned transfer. Device transfers data to aligned buffer and when data transfer is over driver copies data from aligned buffer to data buffer passed by user. Signed-off-by: Mateusz Albecki <mateusz.albecki@intel.com> Reviewed-by: Hao A Wu <hao.a.wu@intel.com> |
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