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authorStefan Berger <stefanb@linux.vnet.ibm.com>2015-02-23 09:27:20 -0500
committerMichael S. Tsirkin <mst@redhat.com>2015-03-01 12:33:21 +0100
commit9dd5c40ddfe332d8a03034d8e01208e5e1a4f5f7 (patch)
treea886b88020b0b26854687977a947625e47a0fc30 /hw/tpm
parentfd859081453f94c3cbd6527289e41b7fddbf645f (diff)
tpm: Support for capability flags of TIS 1.3
Provide the TIS 1.3 capability flags. The interface now looks like a TIS 1.3 interface. It's fully compatible with previous TIS 1.2 and drivers written for TIS 1.2 continue to work. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/tpm')
-rw-r--r--hw/tpm/tpm_tis.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 61186c5e03..d0bb97f7d9 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -14,7 +14,7 @@
*
* Implementation of the TIS interface according to specs found at
* http://www.trustedcomputinggroup.org. This implementation currently
- * supports version 1.21, revision 1.0.
+ * supports version 1.3, 21 March 2013
* In the developers menu choose the PC Client section then find the TIS
* specification.
*/
@@ -103,8 +103,15 @@
#endif
+#define TPM_TIS_CAP_INTERFACE_VERSION1_3 (2 << 28)
+#define TPM_TIS_CAP_DATA_TRANSFER_64B (3 << 9)
+#define TPM_TIS_CAP_DATA_TRANSFER_LEGACY (0 << 9)
+#define TPM_TIS_CAP_BURST_COUNT_DYNAMIC (0 << 8)
#define TPM_TIS_CAP_INTERRUPT_LOW_LEVEL (1 << 4) /* support is mandatory */
#define TPM_TIS_CAPABILITIES_SUPPORTED (TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
+ TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
+ TPM_TIS_CAP_DATA_TRANSFER_64B | \
+ TPM_TIS_CAP_INTERFACE_VERSION1_3 | \
TPM_TIS_INTERRUPTS_SUPPORTED)
#define TPM_TIS_TPM_DID 0x0001