diff options
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index 0be16b4d76..30fb85d619 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2221,8 +2221,10 @@ DEFHEADING() DEFHEADING(TPM device options:) DEF("tpmdev", HAS_ARG, QEMU_OPTION_tpmdev, \ - "-tpmdev passthrough,id=id[,path=path]\n" - " use path to provide path to a character device; default is /dev/tpm0\n", + "-tpmdev passthrough,id=id[,path=path][,cancel-path=path]\n" + " use path to provide path to a character device; default is /dev/tpm0\n" + " use cancel-path to provide path to TPM's cancel sysfs entry; if\n" + " not provided it will be searched for in /sys/class/misc/tpm?/device\n", QEMU_ARCH_ALL) STEXI @@ -2244,7 +2246,7 @@ Use 'help' to print all available TPM backend types. qemu -tpmdev help @end example -@item -tpmdev passthrough, id=@var{id}, path=@var{path} +@item -tpmdev passthrough, id=@var{id}, path=@var{path}, cancel-path=@var{cancel-path} (Linux-host only) Enable access to the host's TPM using the passthrough driver. @@ -2253,6 +2255,11 @@ driver. a Linux host this would be @code{/dev/tpm0}. @option{path} is optional and by default @code{/dev/tpm0} is used. +@option{cancel-path} specifies the path to the host TPM device's sysfs +entry allowing for cancellation of an ongoing TPM command. +@option{cancel-path} is optional and by default QEMU will search for the +sysfs entry to use. + Some notes about using the host's TPM with the passthrough driver: The TPM device accessed by the passthrough driver must not be |