On Thu, Oct 28, 2021 at 10:57 AM Peter Gonda <pgonda@xxxxxxxxxx> wrote: > > SEV_INIT requires users to unlock their SPI bus for the PSP's non > volatile (NV) storage. Users may wish to lock their SPI bus for numerous > reasons, to support this the PSP firmware supports SEV_INIT_EX. INIT_EX > allows the firmware to use a region of memory for its NV storage leaving > the kernel responsible for actually storing the data in a persistent > way. This series adds a new module parameter to ccp allowing users to > specify a path to a file for use as the PSP's NV storage. The ccp driver > then reads the file into memory for the PSP to use and is responsible > for writing the file whenever the PSP modifies the memory region. > > Signed-off-by: Peter Gonda <pgonda@xxxxxxxxxx> > Acked-by: David Rientjes <rientjes@xxxxxxxxxx> > Cc: Tom Lendacky <thomas.lendacky@xxxxxxx> > Cc: Brijesh Singh <brijesh.singh@xxxxxxx> > Cc: Marc Orr <marcorr@xxxxxxxxxx> > Cc: Joerg Roedel <jroedel@xxxxxxx> > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > Cc: David Rientjes <rientjes@xxxxxxxxxx> > Cc: John Allen <john.allen@xxxxxxx> > Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> > Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> ( > Cc: linux-crypto@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > > David Rientjes (1): > crypto: ccp - Add SEV_INIT_EX support > > Peter Gonda (3): > crypto: ccp - Fix SEV_INIT error logging on init > crypto: ccp - Move SEV_INIT retry for corrupted data > crypto: ccp - Refactor out sev_fw_alloc() > > drivers/crypto/ccp/sev-dev.c | 235 ++++++++++++++++++++++++++++++----- > include/linux/psp-sev.h | 21 ++++ > 2 files changed, 222 insertions(+), 34 deletions(-) > > -- > 2.33.1.1089.g2158813163f-goog > I've just replied with my Reviewed-by tag to all of the patches because I had reviewed the v1 internally, before Peter posted externally. Thank you, Tom, for the excellent reviews! I'm looking forward to seeing the v2 with all of this feedback incorporated.
