@@ -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'.
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 <stefanb@linux.ibm.com> --- docs/specs/tpm.txt | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-)