* [Qemu-devel] [PATCH 4/4] Qemu-Xen-vTPM: QEMU machine class is initialized before tpm_init()
@ 2014-11-02 6:39 Quan Xu
2014-11-03 12:22 ` Paolo Bonzini
0 siblings, 1 reply; 3+ messages in thread
From: Quan Xu @ 2014-11-02 6:39 UTC (permalink / raw)
To: qemu-devel; +Cc: pbonzini, Quan Xu, aliguori, xen-devel
make sure QEMU machine class is initialized and QEMU has registered
Xen stubdom vTPM driver when call tpm_init() [vl.c]
Signed-off-by: Quan Xu <quan.xu@intel.com>
---
vl.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/vl.c b/vl.c
index f6b3546..dd437e1 100644
--- a/vl.c
+++ b/vl.c
@@ -4114,12 +4114,6 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
-#ifdef CONFIG_TPM
- if (tpm_init() < 0) {
- exit(1);
- }
-#endif
-
/* init the bluetooth world */
if (foreach_device_config(DEV_BT, bt_parse))
exit(1);
@@ -4225,6 +4219,16 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
+ /* For compatible with Xen stubdom vTPM driver, make
+ * sure QEMU machine class is initialized and QEMU has
+ * registered Xen stubdom vTPM driver ..
+ */
+#ifdef CONFIG_TPM
+ if (tpm_init() < 0) {
+ exit(1);
+ }
+#endif
+
/* init generic devices */
if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
exit(1);
--
1.8.3.2
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [Qemu-devel] [PATCH 4/4] Qemu-Xen-vTPM: QEMU machine class is initialized before tpm_init()
2014-11-02 6:39 [Qemu-devel] [PATCH 4/4] Qemu-Xen-vTPM: QEMU machine class is initialized before tpm_init() Quan Xu
@ 2014-11-03 12:22 ` Paolo Bonzini
2014-11-06 17:16 ` Xu, Quan
0 siblings, 1 reply; 3+ messages in thread
From: Paolo Bonzini @ 2014-11-03 12:22 UTC (permalink / raw)
To: Quan Xu, qemu-devel; +Cc: aliguori, xen-devel
On 02/11/2014 07:39, Quan Xu wrote:
> make sure QEMU machine class is initialized and QEMU has registered
> Xen stubdom vTPM driver when call tpm_init() [vl.c]
>
> Signed-off-by: Quan Xu <quan.xu@intel.com>
> ---
> vl.c | 16 ++++++++++------
> 1 file changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/vl.c b/vl.c
> index f6b3546..dd437e1 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -4114,12 +4114,6 @@ int main(int argc, char **argv, char **envp)
> exit(1);
> }
>
> -#ifdef CONFIG_TPM
> - if (tpm_init() < 0) {
> - exit(1);
> - }
> -#endif
> -
> /* init the bluetooth world */
> if (foreach_device_config(DEV_BT, bt_parse))
> exit(1);
> @@ -4225,6 +4219,16 @@ int main(int argc, char **argv, char **envp)
> exit(1);
> }
>
> + /* For compatible with Xen stubdom vTPM driver, make
> + * sure QEMU machine class is initialized and QEMU has
> + * registered Xen stubdom vTPM driver ..
> + */
> +#ifdef CONFIG_TPM
> + if (tpm_init() < 0) {
> + exit(1);
> + }
> +#endif
> +
> /* init generic devices */
> if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
> exit(1);
>
Assuming you tested the non-Xen TPM backend, this is okay.
Paolo
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [Qemu-devel] [PATCH 4/4] Qemu-Xen-vTPM: QEMU machine class is initialized before tpm_init()
2014-11-03 12:22 ` Paolo Bonzini
@ 2014-11-06 17:16 ` Xu, Quan
0 siblings, 0 replies; 3+ messages in thread
From: Xu, Quan @ 2014-11-06 17:16 UTC (permalink / raw)
To: Paolo Bonzini, qemu-devel@nongnu.org
Cc: aliguori@amazon.com, xen-devel@lists.xen.org
> -----Original Message-----
> From: Paolo Bonzini [mailto:paolo.bonzini@gmail.com] On Behalf Of Paolo
> Bonzini
> Sent: Monday, November 03, 2014 8:22 PM
> To: Xu, Quan; qemu-devel@nongnu.org
> Cc: aliguori@amazon.com; xen-devel@lists.xen.org
> Subject: Re: [PATCH 4/4] Qemu-Xen-vTPM: QEMU machine class is initialized
> before tpm_init()
>
> On 02/11/2014 07:39, Quan Xu wrote:
> > make sure QEMU machine class is initialized and QEMU has registered
> > Xen stubdom vTPM driver when call tpm_init() [vl.c]
> >
> > Signed-off-by: Quan Xu <quan.xu@intel.com>
> > ---
> > vl.c | 16 ++++++++++------
> > 1 file changed, 10 insertions(+), 6 deletions(-)
> >
> > diff --git a/vl.c b/vl.c
> > index f6b3546..dd437e1 100644
> > --- a/vl.c
> > +++ b/vl.c
> > @@ -4114,12 +4114,6 @@ int main(int argc, char **argv, char **envp)
> > exit(1);
> > }
> >
> > -#ifdef CONFIG_TPM
> > - if (tpm_init() < 0) {
> > - exit(1);
> > - }
> > -#endif
> > -
> > /* init the bluetooth world */
> > if (foreach_device_config(DEV_BT, bt_parse))
> > exit(1);
> > @@ -4225,6 +4219,16 @@ int main(int argc, char **argv, char **envp)
> > exit(1);
> > }
> >
> > + /* For compatible with Xen stubdom vTPM driver, make
> > + * sure QEMU machine class is initialized and QEMU has
> > + * registered Xen stubdom vTPM driver ..
> > + */
> > +#ifdef CONFIG_TPM
> > + if (tpm_init() < 0) {
> > + exit(1);
> > + }
> > +#endif
> > +
> > /* init generic devices */
> > if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func,
> NULL, 1) != 0)
> > exit(1);
> >
>
> Assuming you tested the non-Xen TPM backend, this is okay.
Yes, I have tested Qemu TPM passthrough in KVM virtual machine. It is working ..
>
> Paolo
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-11-02 6:39 [Qemu-devel] [PATCH 4/4] Qemu-Xen-vTPM: QEMU machine class is initialized before tpm_init() Quan Xu
2014-11-03 12:22 ` Paolo Bonzini
2014-11-06 17:16 ` Xu, Quan
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