Re: [PATCH 6/6] [SCSI] sd: Implement copy offload support

2014-06-02 Thread Nicholas A. Bellinger
On Wed, 2014-05-28 at 23:52 -0400, Martin K. Petersen wrote: > Implement support for hardware copy offload. This initial implementation > only supports EXTENDED COPY(LID1). If need be we can add support for > LID4 or token copy at a later date. > > If a device has the 3PC flag set in the standard

Re: [PATCH 6/6] [SCSI] sd: Implement copy offload support

2014-05-29 Thread Martin K. Petersen
> "Doug" == Douglas Gilbert writes: Doug, Doug> SPC-4 has downgraded the RECEIVE COPY OPERATION PARAMETERS command Doug> in favour of the new Third Party Copy (TPC) VPD page [0x8f]. If Doug> the latter is present, it should be used. Most real world Doug> implementations of XCOPY(LID1) comply

Re: [PATCH 6/6] [SCSI] sd: Implement copy offload support

2014-05-29 Thread Douglas Gilbert
On 14-05-28 11:52 PM, Martin K. Petersen wrote: Implement support for hardware copy offload. This initial implementation only supports EXTENDED COPY(LID1). If need be we can add support for LID4 or token copy at a later date. If a device has the 3PC flag set in the standard INQUIRY response we'l

[PATCH 6/6] [SCSI] sd: Implement copy offload support

2014-05-28 Thread Martin K. Petersen
Implement support for hardware copy offload. This initial implementation only supports EXTENDED COPY(LID1). If need be we can add support for LID4 or token copy at a later date. If a device has the 3PC flag set in the standard INQUIRY response we'll issue a RECEIVE COPY OPERATION PARAMETERS comman