On Mon, 19 Aug 2024 at 07:46, Avri Altman <Avri.Altman@xxxxxxx> wrote: > > Ulf, could you please take a look at this? > Not sure it will make it to 6.12 merge window, but I was hoping to start making progress. Yes, sorry for the delay. I will look at this and the RPMB series from Jens the next couple of days. Kind regards Uffe > > Thanks, > Avri > > > -----Original Message----- > > From: Avri Altman <avri.altman@xxxxxxx> > > Sent: Wednesday, August 14, 2024 10:29 AM > > To: Ulf Hansson <ulf.hansson@xxxxxxxxxx>; linux-mmc@xxxxxxxxxxxxxxx > > Cc: Ricky WU <ricky_wu@xxxxxxxxxxx>; Avri Altman <Avri.Altman@xxxxxxx> > > Subject: [PATCH v3 00/10] Add SDUC Support > > > > Ultra Capacity SD cards (SDUC) was already introduced in SD7.0. Those cards > > support capacity larger than 2TB and up to including 128TB. Thus, the address > > range of the card expands beyond the 32-bit command argument. To that end, a > > new command - CMD22 is defined, to carry the extra 6-bit upper part of the 38- > > bit block address that enable access to 128TB memory space. > > > > SDUC capacity is agnostic to the interface mode: UHS-I and UHS-II – Same as > > SDXC. > > > > The spec defines several extensions/modifications to the current SDXC cards, > > which we address in patches 1 - 10. Otherwise requirements are out-of-scope of > > this change. Specifically, CMDQ (CMD44+CMD45), and Extension for Video Speed > > Class (CMD20). > > > > First publication of SDUC was in [1]. This series was developed and tested > > separately from [1] and does not borrow from it. > > > > [1] https://lwn.net/Articles/982566/ > > > > --- > > Changes in v3: > > - Some more kernel test robot fixes > > - Fix a typo in a commit log (Ricky WU) > > - Fix ACMD22 returned value > > - Add 'Tested-by' tag for the whole series (Ricky WU) > > > > Changes in v2: > > - Attend kernel test robot warnings > > > > --- > > > > Avri Altman (10): > > mmc: sd: SDUC Support Recognition > > mmc: sd: Add SD CSD version 3.0 > > mmc: sd: Add Extension memory addressing > > mmc: core: Add open-ended Ext memory addressing > > mmc: host: Always use manual-cmd23 in SDUC > > mmc: core: Add close-ended Ext memory addressing > > mmc: host: Add close-ended Ext memory addressing > > mmc: core: Allow mmc erase to carry large addresses > > mmc: core: Add Ext memory addressing for erase > > mmc: core: Adjust ACMD22 to SDUC > > > > drivers/mmc/core/block.c | 62 ++++++++++++++++++++++++++++++++------ > > drivers/mmc/core/bus.c | 4 ++- > > drivers/mmc/core/card.h | 3 ++ > > drivers/mmc/core/core.c | 63 ++++++++++++++++++++++++++++----------- > > drivers/mmc/core/core.h | 14 +++++++-- > > drivers/mmc/core/queue.h | 1 + > > drivers/mmc/core/sd.c | 16 ++++++---- > > drivers/mmc/core/sd_ops.c | 34 ++++++++++++++++++--- > > drivers/mmc/core/sd_ops.h | 1 + drivers/mmc/host/sdhci.c | 38 > > +++++++++++++++++++---- include/linux/mmc/card.h | 2 +- > > include/linux/mmc/core.h | 1 + include/linux/mmc/host.h | 6 ++++ > > include/linux/mmc/sd.h | 4 +++ > > 14 files changed, 204 insertions(+), 45 deletions(-) > > > > -- > > 2.25.1 >
