Lines Matching full:tpm
4 * TPM I/O interface for Xen guest OSes.
68 * TPM I/O interface for Xen guest OSes, v2
72 * This protocol emulates the request/response behavior of a TPM using a Xen
73 * shared memory interface. All interaction with the TPM is at the direction
74 * of the frontend, since a TPM (hardware or virtual) is a passive device -
77 * The frontend sends a request to the TPM by populating the shared page with
84 * The TPM can either finish the command (changing state to TPMIF_STATE_FINISH)
85 * or can cancel the command and change the state to TPMIF_STATE_IDLE. The TPM
88 * TPM may cancel a command if the interface is seized by another locality.
90 * The TPM command format is defined by the TCG, and is available at
112 * 16+4*nr_extra_pages TPM packet data
114 * If the TPM packet data extends beyond the end of a single page, the grant IDs
118 * frontend should verify that the TPM supports such large requests by querying
119 * the TPM_CAP_PROP_INPUT_BUFFER property from the TPM.