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Re: [PATCH v7 6/6] docs: tpm: Add example command line for ppc64 and tpm
From: |
David Gibson |
Subject: |
Re: [PATCH v7 6/6] docs: tpm: Add example command line for ppc64 and tpm-spapr |
Date: |
Fri, 3 Jan 2020 11:20:04 +1100 |
On Thu, Dec 19, 2019 at 09:06:05AM -0500, Stefan Berger wrote:
> Add an example to the TPM docs for how to add a TPM SPAPR
> device model to a QEMU VM emulating a pSeries machine.
>
> Signed-off-by: Stefan Berger <address@hidden>
I don't see any advantage to splitting this out - it can be merged
into 3/6.
> ---
> docs/specs/tpm.txt | 20 +++++++++++++++++++-
> 1 file changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/docs/specs/tpm.txt b/docs/specs/tpm.txt
> index 9c8cca042d..9c3e67d8a7 100644
> --- a/docs/specs/tpm.txt
> +++ b/docs/specs/tpm.txt
> @@ -34,6 +34,12 @@ The CRB interface makes a memory mapped IO region in the
> area 0xfed40000 -
> QEMU files related to TPM CRB interface:
> - hw/tpm/tpm_crb.c
>
> +
> +pSeries (ppc64) machines offer a tpm-spapr device model.
> +
> +QEMU files related to the SPAPR interface:
> + - hw/tpm/tpm_spapr.c
> +
> = fw_cfg interface =
>
> The bios/firmware may read the "etc/tpm/config" fw_cfg entry for
> @@ -281,7 +287,7 @@ swtpm socket --tpmstate dir=/tmp/mytpm1 \
> --log level=20
>
> Command line to start QEMU with the TPM emulator device communicating with
> -the swtpm:
> +the swtpm (x86):
>
> qemu-system-x86_64 -display sdl -accel kvm \
> -m 1024 -boot d -bios bios-256k.bin -boot menu=on \
> @@ -289,6 +295,18 @@ qemu-system-x86_64 -display sdl -accel kvm \
> -tpmdev emulator,id=tpm0,chardev=chrtpm \
> -device tpm-tis,tpmdev=tpm0 test.img
>
> +In case a pSeries machine is emulated, use the following command line:
> +
> +qemu-system-ppc64 -display sdl -machine pseries,accel=kvm \
> + -m 1024 -bios slof.bin -boot menu=on \
> + -nodefaults -device VGA -device pci-ohci -device usb-kbd \
> + -chardev socket,id=chrtpm,path=/tmp/mytpm1/swtpm-sock \
> + -tpmdev emulator,id=tpm0,chardev=chrtpm \
> + -device tpm-spapr,tpmdev=tpm0 \
> + -device spapr-vscsi,id=scsi0,reg=0x00002000 \
> + -device
> virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,id=virtio-disk0
> \
> + -drive file=test.img,format=raw,if=none,id=drive-virtio-disk0
> +
>
> In case SeaBIOS is used as firmware, it should show the TPM menu item
> after entering the menu with 'ESC'.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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