From: Peter Gonda <pgonda@google.com>
To: thomas.lendacky@amd.com
Cc: Peter Gonda <pgonda@google.com>, Marc Orr <marcorr@google.com>,
David Rientjes <rientjes@google.com>,
Brijesh Singh <brijesh.singh@amd.com>,
Joerg Roedel <jroedel@suse.de>,
Herbert Xu <herbert@gondor.apana.org.au>,
John Allen <john.allen@amd.com>,
"David S. Miller" <davem@davemloft.net>,
Paolo Bonzini <pbonzini@redhat.com>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH V3 0/4] Add SEV_INIT_EX support
Date: Tue, 2 Nov 2021 07:23:27 -0700 [thread overview]
Message-ID: <20211102142331.3753798-1-pgonda@google.com> (raw)
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@google.com>
Reviewed-by: Marc Orr <marcorr@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Marc Orr <marcorr@google.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: David Rientjes <rientjes@google.com>
Cc: John Allen <john.allen@amd.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
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()
.../virt/kvm/amd-memory-encryption.rst | 6 +
drivers/crypto/ccp/sev-dev.c | 226 +++++++++++++++---
include/linux/psp-sev.h | 21 ++
3 files changed, 221 insertions(+), 32 deletions(-)
--
2.33.1.1089.g2158813163f-goog
next reply other threads:[~2021-11-02 14:23 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-02 14:23 Peter Gonda [this message]
2021-11-02 14:23 ` [PATCH V3 1/4] crypto: ccp - Fix SEV_INIT error logging on init Peter Gonda
2021-11-09 16:26 ` Sean Christopherson
2021-11-09 16:46 ` Peter Gonda
2021-11-09 19:25 ` Tom Lendacky
2021-11-10 17:29 ` Peter Gonda
2021-11-11 14:10 ` Tom Lendacky
2021-11-02 14:23 ` [PATCH V3 2/4] crypto: ccp - Move SEV_INIT retry for corrupted data Peter Gonda
2021-11-09 16:31 ` Sean Christopherson
2021-11-09 16:56 ` Peter Gonda
2021-11-09 17:30 ` Sean Christopherson
2021-11-09 18:42 ` Peter Gonda
2021-11-02 14:23 ` [PATCH V3 3/4] crypto: ccp - Refactor out sev_fw_alloc() Peter Gonda
2021-11-02 14:23 ` [PATCH V3 4/4] crypto: ccp - Add SEV_INIT_EX support Peter Gonda
2021-11-02 15:38 ` Tom Lendacky
2021-11-02 16:28 ` Peter Gonda
2021-11-09 17:21 ` Sean Christopherson
2021-11-09 20:09 ` Peter Gonda
2021-11-09 20:26 ` Sean Christopherson
2021-11-09 20:46 ` Peter Gonda
2021-11-09 22:19 ` Brijesh Singh
2021-11-10 15:32 ` Peter Gonda
2021-11-12 16:55 ` Peter Gonda
2021-11-12 17:46 ` Marc Orr
2021-11-12 17:49 ` Peter Gonda
2021-11-12 18:28 ` Marc Orr
2021-11-12 23:39 ` Brijesh Singh
2021-11-12 23:44 ` Peter Gonda
2021-11-12 23:50 ` Brijesh Singh
2021-11-15 17:42 ` Peter Gonda
2021-11-02 16:05 ` [PATCH V3 0/4] " Sean Christopherson
2021-11-02 16:25 ` Peter Gonda
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