[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 0/5] Extend TPM support with a QEMU-external TPM
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH 0/5] Extend TPM support with a QEMU-external TPM |
Date: |
Thu, 16 Apr 2015 15:35:06 +0200 |
On Wed, 15 Apr 2015 18:38:43 -0400
Stefan Berger <address@hidden> wrote:
> The following series of patches extends TPM support with an
> external TPM that offers a Linux CUSE (character device in userspace)
> interface. This TPM lets each VM access its own private vTPM.
> The CUSE TPM supports suspend/resume and migration. Much
> out-of-band functionality necessary to control the CUSE TPM is
> implemented using ioctl's.
>
> The series extends the TPM support so far that most functionality of
> TPM support on a physical platform is now available to each x86 VM,
> this includes the Physical Presence Interface support that has
> its counter-part in the SeaBIOS and is implemented using ACPI.
>
> http://www.seabios.org/pipermail/seabios/2015-March/008978.html
is it already merged?
Is it possible to use MMIO region instead of allocating tpm_ppi_anchor
and tpm_ppi in BIOS memory?
That would simplify BIOS part a bit and significantly simplify ACPI code
as most of it is dealing with figuring out address of tpm_ppi.
>
>
> Stefan Berger (5):
> Provide support for the CUSE TPM
> Support Physical Presence Interface Spec
> Introduce condition to notifiy waiters of completed command
> Introduce condition in TPM backend for notification
> Add support for VM suspend/resume for TPM TIS
>
> hmp.c | 6 +
> hw/i386/acpi-tpm-core.dsl | 277 +++++++++++++++++++++++++++++
> hw/i386/acpi-tpm2.dsl | 27 +++
> hw/i386/q35-acpi-dsdt.dsl | 1 +
> hw/i386/ssdt-tpm.dsl | 12 +-
> hw/tpm/tpm_int.h | 4 +
> hw/tpm/tpm_ioctl.h | 178 +++++++++++++++++++
> hw/tpm/tpm_passthrough.c | 410
> +++++++++++++++++++++++++++++++++++++++++--
> hw/tpm/tpm_tis.c | 152 +++++++++++++++-
> hw/tpm/tpm_tis.h | 2 +
> hw/tpm/tpm_util.c | 206 ++++++++++++++++++++++
> hw/tpm/tpm_util.h | 7 +
> include/sysemu/tpm_backend.h | 12 ++
> qapi-schema.json | 17 +-
> qemu-options.hx | 21 ++-
> qmp-commands.hx | 2 +-
> tpm.c | 11 +-
> 17 files changed, 1316 insertions(+), 29 deletions(-)
> create mode 100644 hw/i386/acpi-tpm-core.dsl
> create mode 100644 hw/i386/acpi-tpm2.dsl
> create mode 100644 hw/tpm/tpm_ioctl.h
>
- [Qemu-devel] [PATCH 0/5] Extend TPM support with a QEMU-external TPM, Stefan Berger, 2015/04/16
- [Qemu-devel] [PATCH 2/5] Support Physical Presence Interface Spec, Stefan Berger, 2015/04/16
- [Qemu-devel] [PATCH 5/5] Add support for VM suspend/resume for TPM TIS, Stefan Berger, 2015/04/16
- [Qemu-devel] [PATCH 3/5] Introduce condition to notifiy waiters of completed command, Stefan Berger, 2015/04/16
- [Qemu-devel] [PATCH 4/5] Introduce condition in TPM backend for notification, Stefan Berger, 2015/04/16
- [Qemu-devel] [PATCH 1/5] Provide support for the CUSE TPM, Stefan Berger, 2015/04/16
- Re: [Qemu-devel] [PATCH 0/5] Extend TPM support with a QEMU-external TPM,
Igor Mammedov <=
Re: [Qemu-devel] [PATCH 0/5] Extend TPM support with a QEMU-external TPM, Michael S. Tsirkin, 2015/04/16