From: Stefan Berger <stefanb@linux.ibm.com>
To: "Marc-André Lureau" <marcandre.lureau@redhat.com>, qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
stefanb@linux.vnet.ibm.com,
Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
f4bug@amsat.org, Eduardo Habkost <ehabkost@redhat.com>,
Igor Mammedov <imammedo@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH v15 0/6] Add support for TPM Physical Presence interface
Date: Wed, 9 Jan 2019 10:55:05 -0500 [thread overview]
Message-ID: <25b65783-0808-09b4-a7cd-0149bf9d9a5e@linux.ibm.com> (raw)
In-Reply-To: <20190109082902.32271-1-marcandre.lureau@redhat.com>
On 1/9/19 3:28 AM, Marc-André Lureau wrote:
> Hi,
>
> The following patches implement the TPM Physical Presence Interface
> that allows a user to set a command via ACPI (sysfs entry in Linux)
> that, upon the next reboot, the firmware looks for and acts upon by
> sending sequences of commands to the TPM.
>
> A dedicated memory region is added to the TPM CRB & TIS devices, at
> address/size 0xFED45000/0x400. A new "etc/tpm/config" fw_cfg entry
> holds the location for that PPI region and some version details, to
> allow for future flexibility.
>
> With the associated edk2/ovmf firmware, the Windows HLK "PPI 1.3" test
> now runs successfully.
>
> It is based on previous work from Stefan Berger ("[PATCH v2 0/4]
> Implement Physical Presence interface for TPM 1.2 and 2")
>
> The edk2 support is merged upstream.
Tested-by: Stefan Berger <stefanb@linux.ibm.vom>
prev parent reply other threads:[~2019-01-09 15:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-09 8:28 [Qemu-devel] [PATCH v15 0/6] Add support for TPM Physical Presence interface Marc-André Lureau
2019-01-09 8:28 ` [Qemu-devel] [PATCH v15 1/6] tpm: add a "ppi" boolean property Marc-André Lureau
2019-01-09 8:28 ` [Qemu-devel] [PATCH v15 2/6] tpm: allocate/map buffer for TPM Physical Presence interface Marc-André Lureau
2019-01-09 8:28 ` [Qemu-devel] [PATCH v15 3/6] acpi: expose TPM/PPI configuration parameters to firmware via fw_cfg Marc-André Lureau
2019-01-09 8:29 ` [Qemu-devel] [PATCH v15 4/6] acpi: build TPM Physical Presence interface Marc-André Lureau
2019-01-09 8:29 ` [Qemu-devel] [PATCH v15 5/6] acpi: add ACPI memory clear interface Marc-André Lureau
2019-01-09 14:46 ` Michael S. Tsirkin
2019-01-09 14:55 ` Marc-André Lureau
2019-01-09 14:57 ` Michael S. Tsirkin
2019-01-09 8:29 ` [Qemu-devel] [PATCH v15 6/6] tpm: clear RAM when "memory overwrite" requested Marc-André Lureau
2019-01-09 14:48 ` [Qemu-devel] [PATCH v15 0/6] Add support for TPM Physical Presence interface Michael S. Tsirkin
2019-01-09 14:58 ` Marc-André Lureau
2019-01-09 15:58 ` Michael S. Tsirkin
2019-01-09 15:55 ` Stefan Berger [this message]
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