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| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2019-01-15 02:27:49 +0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2019-01-17 21:10:57 -0500 |
| commit | b6148757f9baa2de11304c09aaf9f9a276c825cd (patch) | |
| tree | de6e54bff2ccff80596eb21e9c0dc14dc16d5921 | |
| parent | 812e710a9624a3bf3c8bb126ac546b683edb60d5 (diff) | |
| download | qemu-b6148757f9baa2de11304c09aaf9f9a276c825cd.zip | |
tpm: add a "ppi" boolean property
The following patches implement the TPM Physical Presence Interface,
make use of a new memory region and a fw_cfg entry. Enable PPI by
default with >=4.0 machine type, to avoid migration issues.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/core/machine.c | 2 | ||||
| -rw-r--r-- | hw/tpm/tpm_crb.c | 3 | ||||
| -rw-r--r-- | hw/tpm/tpm_tis.c | 3 |
3 files changed, 8 insertions, 0 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c index f0c0ae6be8..2629515363 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -28,6 +28,8 @@ GlobalProperty hw_compat_3_1[] = { { "pcie-root-port", "x-width", "1" }, { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" }, { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" }, + { "tpm-crb", "ppi", "false" }, + { "tpm-tis", "ppi", "false" }, }; const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1); diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c index a92dd50437..d5b0ac5920 100644 --- a/hw/tpm/tpm_crb.c +++ b/hw/tpm/tpm_crb.c @@ -41,6 +41,8 @@ typedef struct CRBState { MemoryRegion cmdmem; size_t be_buffer_size; + + bool ppi_enabled; } CRBState; #define CRB(obj) OBJECT_CHECK(CRBState, (obj), TYPE_TPM_CRB) @@ -221,6 +223,7 @@ static const VMStateDescription vmstate_tpm_crb = { static Property tpm_crb_properties[] = { DEFINE_PROP_TPMBE("tpmdev", CRBState, tpmbe), + DEFINE_PROP_BOOL("ppi", CRBState, ppi_enabled, true), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c index 2563d7501f..1698d83cd3 100644 --- a/hw/tpm/tpm_tis.c +++ b/hw/tpm/tpm_tis.c @@ -81,6 +81,8 @@ typedef struct TPMState { TPMVersion be_tpm_version; size_t be_buffer_size; + + bool ppi_enabled; } TPMState; #define TPM(obj) OBJECT_CHECK(TPMState, (obj), TYPE_TPM_TIS) @@ -954,6 +956,7 @@ static const VMStateDescription vmstate_tpm_tis = { static Property tpm_tis_properties[] = { DEFINE_PROP_UINT32("irq", TPMState, irq_num, TPM_TIS_IRQ), DEFINE_PROP_TPMBE("tpmdev", TPMState, be_driver), + DEFINE_PROP_BOOL("ppi", TPMState, ppi_enabled, true), DEFINE_PROP_END_OF_LIST(), }; |