> -----Original Message----- > From: Klaus Jensen <i...@irrelevant.dk> > Sent: Tuesday, September 15, 2020 3:56 PM > To: Dmitry Fomichev <dmitry.fomic...@wdc.com> > Cc: Fam Zheng <f...@euphon.net>; Kevin Wolf <kw...@redhat.com>; > Damien Le Moal <damien.lem...@wdc.com>; qemu-bl...@nongnu.org; > Niklas Cassel <niklas.cas...@wdc.com>; Klaus Jensen > <k.jen...@samsung.com>; qemu-devel@nongnu.org; Alistair Francis > <alistair.fran...@wdc.com>; Keith Busch <kbu...@kernel.org>; Philippe > Mathieu-Daudé <phi...@redhat.com>; Matias Bjorling > <matias.bjorl...@wdc.com> > Subject: Re: [PATCH v3 01/15] hw/block/nvme: Define 64 bit cqe.result > > On Sep 15 18:56, Dmitry Fomichev wrote: > > > -----Original Message----- > > > From: Klaus Jensen <i...@irrelevant.dk> > > > Sent: Tuesday, September 15, 2020 3:37 AM > > > To: Dmitry Fomichev <dmitry.fomic...@wdc.com> > > > Cc: Keith Busch <kbu...@kernel.org>; Klaus Jensen > > > <k.jen...@samsung.com>; Kevin Wolf <kw...@redhat.com>; Philippe > > > Mathieu-Daudé <phi...@redhat.com>; Maxim Levitsky > > > <mlevi...@redhat.com>; Fam Zheng <f...@euphon.net>; Niklas Cassel > > > <niklas.cas...@wdc.com>; Damien Le Moal > <damien.lem...@wdc.com>; > > > qemu-bl...@nongnu.org; qemu-devel@nongnu.org; Alistair Francis > > > <alistair.fran...@wdc.com>; Matias Bjorling <matias.bjorl...@wdc.com> > > > Subject: Re: [PATCH v3 01/15] hw/block/nvme: Define 64 bit cqe.result > > > > > > On Sep 14 07:14, Dmitry Fomichev wrote: > > > > From: Ajay Joshi <ajay.jo...@wdc.com> > > > > > > > > A new write command, Zone Append, is added as a part of Zoned > > > > Namespace Command Set. Upon successful completion of this > command, > > > > the controller returns the start LBA of the performed write operation > > > > in cqe.result field. Therefore, the maximum size of this variable > > > > needs to be changed from 32 to 64 bit, consuming the reserved 32 bit > > > > field that follows the result in CQE struct. Since the existing > > > > commands are expected to return a 32 bit LE value, two separate > > > > variables, result32 and result64, are now kept in a union. > > > > > > > > Signed-off-by: Ajay Joshi <ajay.jo...@wdc.com> > > > > Signed-off-by: Dmitry Fomichev <dmitry.fomic...@wdc.com> > > > > Reviewed-by: Klaus Jensen <k.jen...@samsung.com> > > > > > > I know that I R-b'ed this, but can this be moved to the namespace types > > > patch, since that is the TP that changes this. > > > > You probably meant the ZNS patch since result64 is first used there to > return > > ZA starting data LBA. Sure, I can move this stuff to that patch. > > > > No, I actually did mean the NST patch since TP 4056 is the TP that > "unreserves" dw1 in the CQE.
It is not necessary to change it in NST patch since result64 field is not used in that patch. But if you insist, I can move it to NST patch :)
