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authorPeter Maydell2019-01-18 15:58:57 +0100
committerPeter Maydell2019-01-18 15:58:58 +0100
commit51c1c135608e155d01eea774974d2b9caee9befb (patch)
treea37cd00fd97960cbc4ed64edcf2ebf2bfecf0c6f /hw/tpm/tpm_tis.c
parentMerge remote-tracking branch 'remotes/jnsnow/tags/bitmaps-pull-request' into ... (diff)
parentmigration: Use strnlen() for fixed-size string (diff)
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio: fixes, features tpm physical presence interface rsc support in virtio net ivshmem is removed misc cleanups and fixes all over the place Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Fri 18 Jan 2019 02:11:11 GMT # gpg: using RSA key 281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (49 commits) migration: Use strnlen() for fixed-size string migration: Fix stringop-truncation warning hw/acpi: Use QEMU_NONSTRING for non NUL-terminated arrays block/sheepdog: Use QEMU_NONSTRING for non NUL-terminated arrays qemu/compiler: Define QEMU_NONSTRING acpi: update expected files hw: acpi: Fix memory hotplug AML generation error tpm: clear RAM when "memory overwrite" requested acpi: add ACPI memory clear interface acpi: build TPM Physical Presence interface acpi: expose TPM/PPI configuration parameters to firmware via fw_cfg tpm: allocate/map buffer for TPM Physical Presence interface tpm: add a "ppi" boolean property hw/misc/edu: add msi_uninit() for pci_edu_uninit() virtio: Make disable-legacy/disable-modern compat properties optional globals: Allow global properties to be optional virtio: virtio 9p really requires CONFIG_VIRTFS to work virtio: split virtio crypto bits from virtio-pci.h virtio: split virtio gpu bits from virtio-pci.h virtio: split virtio serial bits from virtio-pci ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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)