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authorStefan Berger <stefanb@linux.vnet.ibm.com>2016-04-18 13:26:15 -0400
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2016-06-25 17:26:35 +0300
commit6f99612e250041a2402d3b1694bccb149cd424a4 (patch)
treec24d63342358211e4ea6000683d35c0709a83bca /include/uapi/linux/Kbuild
parent2f9f53776dcd8ca3cc3d357d516ed76c3f038637 (diff)
tpm: Proxy driver for supporting multiple emulated TPMs
This patch implements a proxy driver for supporting multiple emulated TPMs in a system. The driver implements a device /dev/vtpmx that is used to created a client device pair /dev/tpmX (e.g., /dev/tpm10) and a server side that is accessed using a file descriptor returned by an ioctl. The device /dev/tpmX is the usual TPM device created by the core TPM driver. Applications or kernel subsystems can send TPM commands to it and the corresponding server-side file descriptor receives these commands and delivers them to an emulated TPM. The driver retrievs the TPM 1.2 durations and timeouts. Since this requires the startup of the TPM, we send a startup for TPM 1.2 as well as TPM 2. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> CC: linux-kernel@vger.kernel.org CC: linux-doc@vger.kernel.org CC: linux-api@vger.kernel.org Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'include/uapi/linux/Kbuild')
-rw-r--r--include/uapi/linux/Kbuild1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 8bdae34d1f9a..ad821a3a99f5 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -454,6 +454,7 @@ header-y += virtio_scsi.h
header-y += virtio_types.h
header-y += vm_sockets.h
header-y += vt.h
+header-y += vtpm_proxy.h
header-y += wait.h
header-y += wanrouter.h
header-y += watchdog.h