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tpm: Support for capability flags of TIS 1.3

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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>
This commit is contained in:
Stefan Berger 2015-02-23 09:27:20 -05:00 committed by Michael S. Tsirkin
parent fd85908145
commit 9dd5c40ddf
1 changed files with 8 additions and 1 deletions
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9
hw/tpm/tpm_tis.c
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@ -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