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Wed, 26 Feb 2020 21:00:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582750873; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8xXm4j7TwKYtZiyAcQ/tren2oEWvLTLMI1I9jht7DrY=; b=AfTNXMSKhUl97DGKLtuA0HKPLsg5BlbnmuClIQs1SQxQNlvAieR93lzxp+9vohbhlvy4zV fsmtCSOovaEFZ5FJ22d6pbHjpegoI4iJpTAQN11I1NkmD4G2uPeZlG3MKmIV86DdJcYrmp 8pHJmn9e5hm4D7Q/Rn79yvj6+rSzimM= X-MC-Unique: VyYUlYW3Me63ek3UYYiuYw-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, stefanb@linux.ibm.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v4 07/10] docs/specs/tpm: Document TPM_TIS sysbus device for ARM Date: Wed, 26 Feb 2020 21:59:39 +0100 Message-Id: <20200226205942.11424-8-eric.auger@redhat.com> In-Reply-To: <20200226205942.11424-1-eric.auger@redhat.com> References: <20200226205942.11424-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcandre.lureau@redhat.com, lersek@redhat.com, ardb@kernel.org, philmd@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Update the documentation with recent changes related to the sysbus TPM_TIS device addition and add the command line to be used with arm VIRT. Signed-off-by: Eric Auger Reviewed-by: Stefan Berger --- v3 -> v4: - s/later/latter --- docs/specs/tpm.rst | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/docs/specs/tpm.rst b/docs/specs/tpm.rst index 2bdf637f55..da9eb39ca9 100644 --- a/docs/specs/tpm.rst +++ b/docs/specs/tpm.rst @@ -18,9 +18,15 @@ The TIS interface makes a memory mapped IO region in the= area 0xfed40000-0xfed44fff available to the guest operating system. =20 QEMU files related to TPM TIS interface: - - ``hw/tpm/tpm_tis.c`` + - ``hw/tpm/tpm_tis_common.c`` + - ``hw/tpm/tpm_tis_isa.c`` + - ``hw/tpm/tpm_tis_sysbus.c`` - ``hw/tpm/tpm_tis.h`` =20 +Both an ISA device and a sysbus device are available. The former is +used with pc/q35 machine while the latter can be instantiated in the +ARM virt machine. + CRB interface ------------- =20 @@ -325,6 +331,23 @@ In case a pSeries machine is emulated, use the followi= ng command line: -device virtio-blk-pci,scsi=3Doff,bus=3Dpci.0,addr=3D0x3,drive=3Ddrive= -virtio-disk0,id=3Dvirtio-disk0 \ -drive file=3Dtest.img,format=3Draw,if=3Dnone,id=3Ddrive-virtio-disk0 =20 +In case an ARM virt machine is emulated, use the following command line: + +.. code-block:: console + + qemu-system-aarch64 -machine virt,gic-version=3D3,accel=3Dkvm \ + -cpu host -m 4G \ + -nographic -no-acpi \ + -chardev socket,id=3Dchrtpm,path=3D/tmp/mytpm1/swtpm-sock \ + -tpmdev emulator,id=3Dtpm0,chardev=3Dchrtpm \ + -device tpm-tis-device,tpmdev=3Dtpm0 \ + -device virtio-blk-pci,drive=3Ddrv0 \ + -drive format=3Dqcow2,file=3Dhda.qcow2,if=3Dnone,id=3Ddrv0 \ + -drive if=3Dpflash,format=3Draw,file=3Dflash0.img,readonly \ + -drive if=3Dpflash,format=3Draw,file=3Dflash1.img + + On ARM, ACPI boot with TPM is not yet supported. + In case SeaBIOS is used as firmware, it should show the TPM menu item after entering the menu with 'ESC'. =20 --=20 2.20.1