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Diffstat (limited to 'hw/tpm/tpm_tis.c')
-rw-r--r--hw/tpm/tpm_tis.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 2563d7501f..fd6bb9b59a 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -31,6 +31,7 @@
#include "sysemu/tpm_backend.h"
#include "tpm_int.h"
#include "tpm_util.h"
+#include "tpm_ppi.h"
#include "trace.h"
#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
@@ -81,6 +82,9 @@ typedef struct TPMState {
TPMVersion be_tpm_version;
size_t be_buffer_size;
+
+ bool ppi_enabled;
+ TPMPPI ppi;
} TPMState;
#define TPM(obj) OBJECT_CHECK(TPMState, (obj), TYPE_TPM_TIS)
@@ -868,6 +872,9 @@ static void tpm_tis_reset(DeviceState *dev)
s->be_buffer_size = MIN(tpm_backend_get_buffer_size(s->be_driver),
TPM_TIS_BUFFER_MAX);
+ if (s->ppi_enabled) {
+ tpm_ppi_reset(&s->ppi);
+ }
tpm_backend_reset(s->be_driver);
s->active_locty = TPM_TIS_NO_LOCALITY;
@@ -954,6 +961,7 @@ 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(),
};
@@ -980,6 +988,11 @@ static void tpm_tis_realizefn(DeviceState *dev, Error **errp)
memory_region_add_subregion(isa_address_space(ISA_DEVICE(dev)),
TPM_TIS_ADDR_BASE, &s->mmio);
+
+ if (s->ppi_enabled) {
+ tpm_ppi_init(&s->ppi, isa_address_space(ISA_DEVICE(dev)),
+ TPM_PPI_ADDR_BASE, OBJECT(s));
+ }
}
static void tpm_tis_initfn(Object *obj)