The following series of patches adds vTPM emulator support for the ppc64 platform (pSeries).
It can be tested as follows with swtpm/libtpms: mkdir /tmp/mytpm1 swtpm socket --tpmstate dir=/tmp/mytpm1 \ --ctrl type=unixio,path=/tmp/mytpm1/swtpm-sock \ --log level=20 If TPM 2 is desired, add --tpm2 as parameter to the above. In another terminal start QEMU: sudo ./ppc64-softmmu/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 Links: - libtpms: https://github.com/stefanberger/libtpms/wiki - swtpm: https://github.com/stefanberger/swtpm/wiki Changes: v3->v4: - addressed comments to v3 - reworked suspend/resume support that requires extensions to backends v2->v3: - patch 1: a TPM 2 is identified by IBM,vtpm20 in the compatible node - patch 1: convert to tracing to display Tx and Rx buffers - added documentation patch - added patch to enable TPM device as part of pSeries v1->v2: - followed Cedric Le Goater's suggestions to patch 1 - send appropriate CRQ error responses if DMA read or write fails - renamed tpm_spapr_got_payload to tpm_spapr_process_cmd and pass endianess-adjusted data pointer from CRQ to it Regards, Stefan Stefan Berger (8): tpm_spapr: Support TPM for ppc64 using CRQ based interface tpm_backend: Implement check whether tpm backend is suspended tpm_emulator: Implement callback for whether we are suspended tpm_passthrough: Implement callback for whether we are suspended tpm: Return bool from tpm_backend_finish_sync tpm_spapr: Support suspend and resume hw/ppc/Kconfig: Enable TPM_SPAPR as part of PSERIES config docs: tpm: Add example command line for ppc64 and tpm-spapr backends/tpm.c | 13 +- docs/specs/tpm.txt | 20 +- hw/ppc/Kconfig | 1 + hw/tpm/Kconfig | 6 + hw/tpm/Makefile.objs | 1 + hw/tpm/tpm_emulator.c | 12 + hw/tpm/tpm_passthrough.c | 6 + hw/tpm/tpm_spapr.c | 460 +++++++++++++++++++++++++++++++++++ hw/tpm/trace-events | 14 ++ include/sysemu/tpm.h | 3 + include/sysemu/tpm_backend.h | 16 +- qapi/tpm.json | 6 +- 12 files changed, 552 insertions(+), 6 deletions(-) create mode 100644 hw/tpm/tpm_spapr.c -- 2.21.0