On Wed, 15 Apr 2015 18:38:43 -0400 Stefan Berger <[email protected]> wrote:
> The following series of patches extends TPM support with an > external TPM that offers a Linux CUSE (character device in userspace) > interface. This TPM lets each VM access its own private vTPM. > The CUSE TPM supports suspend/resume and migration. Much > out-of-band functionality necessary to control the CUSE TPM is > implemented using ioctl's. > > The series extends the TPM support so far that most functionality of > TPM support on a physical platform is now available to each x86 VM, > this includes the Physical Presence Interface support that has > its counter-part in the SeaBIOS and is implemented using ACPI. > > http://www.seabios.org/pipermail/seabios/2015-March/008978.html is it already merged? Is it possible to use MMIO region instead of allocating tpm_ppi_anchor and tpm_ppi in BIOS memory? That would simplify BIOS part a bit and significantly simplify ACPI code as most of it is dealing with figuring out address of tpm_ppi. > > > Stefan Berger (5): > Provide support for the CUSE TPM > Support Physical Presence Interface Spec > Introduce condition to notifiy waiters of completed command > Introduce condition in TPM backend for notification > Add support for VM suspend/resume for TPM TIS > > hmp.c | 6 + > hw/i386/acpi-tpm-core.dsl | 277 +++++++++++++++++++++++++++++ > hw/i386/acpi-tpm2.dsl | 27 +++ > hw/i386/q35-acpi-dsdt.dsl | 1 + > hw/i386/ssdt-tpm.dsl | 12 +- > hw/tpm/tpm_int.h | 4 + > hw/tpm/tpm_ioctl.h | 178 +++++++++++++++++++ > hw/tpm/tpm_passthrough.c | 410 > +++++++++++++++++++++++++++++++++++++++++-- > hw/tpm/tpm_tis.c | 152 +++++++++++++++- > hw/tpm/tpm_tis.h | 2 + > hw/tpm/tpm_util.c | 206 ++++++++++++++++++++++ > hw/tpm/tpm_util.h | 7 + > include/sysemu/tpm_backend.h | 12 ++ > qapi-schema.json | 17 +- > qemu-options.hx | 21 ++- > qmp-commands.hx | 2 +- > tpm.c | 11 +- > 17 files changed, 1316 insertions(+), 29 deletions(-) > create mode 100644 hw/i386/acpi-tpm-core.dsl > create mode 100644 hw/i386/acpi-tpm2.dsl > create mode 100644 hw/tpm/tpm_ioctl.h >
