Merge remote-tracking branch 'remotes/mdroth/tags/qga-pull-2018-10-30-v3-tag' into...

[qemu.git] / docs / specs / tpm.txt

diff --git a/docs/specs/tpm.txt b/docs/specs/tpm.txt
index 70ad4a0cba80d561226645ec00d8f1478e10c37d..1af82bba8628ee8a35f58fde2a069faf477d8d48 100644 (file)
--- a/docs/specs/tpm.txt
+++ b/docs/specs/tpm.txt
@@ -20,6 +20,21 @@ QEMU files related to TPM TIS interface:
  - hw/tpm/tpm_tis.h
 
 
+QEMU also implements a TPM CRB interface following the Trusted Computing
+Group's specification "TCG PC Client Platform TPM Profile (PTP)
+Specification", Family "2.0", Level 00 Revision 01.03 v22, May 22, 2017.
+This specification, or a later version of it, can be accessed from the
+following URL:
+
+https://trustedcomputinggroup.org/resource/pc-client-platform-tpm-profile-ptp-specification/
+
+The CRB interface makes a memory mapped IO region in the area 0xfed40000 -
+0xfed40fff (1 locality) available to the guest operating system.
+
+QEMU files related to TPM CRB interface:
+ - hw/tpm/tpm_crb.c
+
+
 = ACPI Interface =
 
 The TPM device is defined with ACPI ID "PNP0C31". QEMU builds a SSDT and passes
@@ -252,7 +267,7 @@ swtpm socket --tpmstate dir=/tmp/mytpm1 \
   --ctrl type=unixio,path=/tmp/mytpm1/swtpm-sock \
   --log level=20 --tpm2
 
-In the 2nd terminal restore the state of the VM using the additonal
+In the 2nd terminal restore the state of the VM using the additional
 '-incoming' option.
 
 qemu-system-x86_64 -display sdl -accel kvm \