From: Richard Henderson <richard.henderson@linaro.org>
To: David Gibson <david@gibson.dropbear.id.au>,
qemu-devel@nongnu.org, brijesh.singh@amd.com, pair@us.ibm.com,
pbonzini@redhat.com, dgilbert@redhat.com, frankja@linux.ibm.com
Cc: Eduardo Habkost <ehabkost@redhat.com>,
kvm@vger.kernel.org, david@redhat.com, cohuck@redhat.com,
mdroth@linux.vnet.ibm.com, pasic@linux.ibm.com,
qemu-s390x@nongnu.org, mst@redhat.com, qemu-ppc@nongnu.org,
Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH v3 1/9] host trust limitation: Introduce new host trust limitation interface
Date: Tue, 14 Jul 2020 12:26:41 -0700 [thread overview]
Message-ID: <05f90104-98ff-016c-1179-15bf626d89b9@linaro.org> (raw)
In-Reply-To: <20200619020602.118306-2-david@gibson.dropbear.id.au>
On 6/18/20 7:05 PM, David Gibson wrote:
> Several architectures have mechanisms which are designed to protect guest
> memory from interference or eavesdropping by a compromised hypervisor. AMD
> SEV does this with in-chip memory encryption and Intel has a similar
> mechanism. POWER's Protected Execution Framework (PEF) accomplishes a
> similar goal using an ultravisor and new memory protection features,
> instead of encryption.
>
> To (partially) unify handling for these, this introduces a new
> HostTrustLimitation QOM interface.
>
> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> backends/Makefile.objs | 2 ++
> backends/host-trust-limitation.c | 29 ++++++++++++++++++++++++
> include/exec/host-trust-limitation.h | 33 ++++++++++++++++++++++++++++
> include/qemu/typedefs.h | 1 +
> 4 files changed, 65 insertions(+)
> create mode 100644 backends/host-trust-limitation.c
> create mode 100644 include/exec/host-trust-limitation.h
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2020-07-14 19:27 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-19 2:05 [PATCH v3 0/9] Generalize memory encryption models David Gibson
2020-06-19 2:05 ` [PATCH v3 1/9] host trust limitation: Introduce new host trust limitation interface David Gibson
2020-06-26 11:01 ` Dr. David Alan Gilbert
2020-07-14 19:26 ` Richard Henderson [this message]
2020-06-19 2:05 ` [PATCH v3 2/9] host trust limitation: Handle memory encryption via interface David Gibson
2020-06-19 2:05 ` [PATCH v3 3/9] host trust limitation: Move side effect out of machine_set_memory_encryption() David Gibson
2020-06-19 2:05 ` [PATCH v3 4/9] host trust limitation: Rework the "memory-encryption" property David Gibson
2020-07-14 19:36 ` Richard Henderson
2020-06-19 2:05 ` [PATCH v3 5/9] host trust limitation: Decouple kvm_memcrypt_*() helpers from KVM David Gibson
2020-06-19 2:05 ` [PATCH v3 6/9] host trust limitation: Add Error ** to HostTrustLimitation::kvm_init David Gibson
2020-06-19 2:06 ` [PATCH v3 7/9] spapr: Add PEF based host trust limitation David Gibson
2020-06-19 2:06 ` [PATCH v3 8/9] spapr: PEF: block migration David Gibson
2020-06-26 10:33 ` Dr. David Alan Gilbert
2020-07-05 7:38 ` David Gibson
2020-06-19 2:06 ` [PATCH v3 9/9] host trust limitation: Alter virtio default properties for protected guests David Gibson
2020-06-19 10:12 ` Daniel P. Berrangé
2020-06-19 11:46 ` Michael S. Tsirkin
2020-06-19 11:47 ` Michael S. Tsirkin
2020-06-19 12:16 ` Daniel P. Berrangé
2020-06-19 20:04 ` Halil Pasic
2020-06-24 7:55 ` Michael S. Tsirkin
2020-06-25 4:57 ` David Gibson
2020-06-25 5:02 ` David Gibson
2020-06-19 14:45 ` David Gibson
2020-06-19 15:05 ` Daniel P. Berrangé
2020-06-20 8:24 ` David Gibson
2020-06-22 9:09 ` Daniel P. Berrangé
2020-06-25 5:06 ` David Gibson
2020-06-19 2:42 ` [PATCH v3 0/9] Generalize memory encryption models no-reply
2020-06-19 8:28 ` David Hildenbrand
2020-06-19 9:45 ` Cornelia Huck
2020-06-19 9:56 ` David Hildenbrand
2020-06-19 10:05 ` Cornelia Huck
2020-06-19 10:10 ` David Hildenbrand
2020-06-22 12:02 ` Cornelia Huck
2020-06-25 5:25 ` David Gibson
2020-06-25 7:06 ` David Hildenbrand
2020-06-26 4:42 ` David Gibson
2020-06-26 6:53 ` David Hildenbrand
2020-06-26 9:01 ` Janosch Frank
2020-06-26 9:32 ` Daniel P. Berrangé
2020-06-26 9:49 ` Janosch Frank
2020-06-26 10:29 ` Dr. David Alan Gilbert
2020-06-26 10:58 ` Daniel P. Berrangé
2020-06-26 12:49 ` Janosch Frank
2020-07-01 11:59 ` Halil Pasic
2020-06-19 9:48 ` David Gibson
2020-06-19 10:04 ` David Hildenbrand
2020-06-25 5:42 ` David Gibson
2020-06-25 6:59 ` David Hildenbrand
2020-06-25 9:49 ` Cornelia Huck
2020-06-22 14:27 ` Christian Borntraeger
2020-06-24 7:06 ` Cornelia Huck
2020-06-25 5:47 ` David Gibson
2020-06-25 5:48 ` David Gibson
2020-06-25 5:44 ` David Gibson
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