diff mbox

[v2,4/7] xen: introduce XENPF_settime64

Message ID 1447156675-7418-4-git-send-email-stefano.stabellini@eu.citrix.com (mailing list archive)
State New, archived
Headers show

Commit Message

Stefano Stabellini Nov. 10, 2015, 11:57 a.m. UTC
Rename the current XENPF_settime hypercall and related struct to
XENPF_settime32.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
CC: konrad.wilk@oracle.com
CC: david.vrabel@citrix.com
CC: boris.ostrovsky@oracle.com
---
 arch/x86/xen/time.c              |    8 ++++----
 include/xen/interface/platform.h |   18 ++++++++++++++----
 2 files changed, 18 insertions(+), 8 deletions(-)

Comments

Arnd Bergmann Nov. 10, 2015, 12:32 p.m. UTC | #1
On Tuesday 10 November 2015 11:57:52 Stefano Stabellini wrote:
> Rename the current XENPF_settime hypercall and related struct to
> XENPF_settime32.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> CC: konrad.wilk@oracle.com
> CC: david.vrabel@citrix.com
> CC: boris.ostrovsky@oracle.com

Looks good.

> ---
>  arch/x86/xen/time.c              |    8 ++++----
>  include/xen/interface/platform.h |   18 ++++++++++++++----
>  2 files changed, 18 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
> index 663c2ea..3bbd377 100644
> --- a/arch/x86/xen/time.c
> +++ b/arch/x86/xen/time.c
> @@ -134,10 +134,10 @@ static int xen_pvclock_gtod_notify(struct notifier_block *nb,
>         if (!was_set && timespec_compare(&now, &next_sync) < 0)
>                 return NOTIFY_OK;
>  
> -       op.cmd = XENPF_settime;
> -       op.u.settime.secs = now.tv_sec;
> -       op.u.settime.nsecs = now.tv_nsec;
> -       op.u.settime.system_time = xen_clocksource_read();
> +       op.cmd = XENPF_settime32;
> +       op.u.settime32.secs = now.tv_sec;
> +       op.u.settime32.nsecs = now.tv_nsec;
> +       op.u.settime32.system_time = xen_clocksource_read();
>  
>         (void)HYPERVISOR_platform_op(&op);

I suppose someone will have to get back to this eventually and
change the code to try XENPF_settime64 first.

	Arnd
Stefano Stabellini Nov. 10, 2015, 2:43 p.m. UTC | #2
On Tue, 10 Nov 2015, Arnd Bergmann wrote:
> On Tuesday 10 November 2015 11:57:52 Stefano Stabellini wrote:
> > Rename the current XENPF_settime hypercall and related struct to
> > XENPF_settime32.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> > CC: konrad.wilk@oracle.com
> > CC: david.vrabel@citrix.com
> > CC: boris.ostrovsky@oracle.com
> 
> Looks good.

Can I add your acked-by?


> > ---
> >  arch/x86/xen/time.c              |    8 ++++----
> >  include/xen/interface/platform.h |   18 ++++++++++++++----
> >  2 files changed, 18 insertions(+), 8 deletions(-)
> > 
> > diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
> > index 663c2ea..3bbd377 100644
> > --- a/arch/x86/xen/time.c
> > +++ b/arch/x86/xen/time.c
> > @@ -134,10 +134,10 @@ static int xen_pvclock_gtod_notify(struct notifier_block *nb,
> >         if (!was_set && timespec_compare(&now, &next_sync) < 0)
> >                 return NOTIFY_OK;
> >  
> > -       op.cmd = XENPF_settime;
> > -       op.u.settime.secs = now.tv_sec;
> > -       op.u.settime.nsecs = now.tv_nsec;
> > -       op.u.settime.system_time = xen_clocksource_read();
> > +       op.cmd = XENPF_settime32;
> > +       op.u.settime32.secs = now.tv_sec;
> > +       op.u.settime32.nsecs = now.tv_nsec;
> > +       op.u.settime32.system_time = xen_clocksource_read();
> >  
> >         (void)HYPERVISOR_platform_op(&op);
> 
> I suppose someone will have to get back to this eventually and
> change the code to try XENPF_settime64 first.

I'll leave that to the x86 maintainers
Arnd Bergmann Nov. 10, 2015, 2:47 p.m. UTC | #3
On Tuesday 10 November 2015 14:43:26 Stefano Stabellini wrote:
> On Tue, 10 Nov 2015, Arnd Bergmann wrote:
> > On Tuesday 10 November 2015 11:57:52 Stefano Stabellini wrote:
> > > Rename the current XENPF_settime hypercall and related struct to
> > > XENPF_settime32.
> > > 
> > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> > > CC: konrad.wilk@oracle.com
> > > CC: david.vrabel@citrix.com
> > > CC: boris.ostrovsky@oracle.com
> > 
> > Looks good.
> 
> Can I add your acked-by?
> 
> 

Yes, please do.

	Arnd
diff mbox

Patch

diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 663c2ea..3bbd377 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -134,10 +134,10 @@  static int xen_pvclock_gtod_notify(struct notifier_block *nb,
 	if (!was_set && timespec_compare(&now, &next_sync) < 0)
 		return NOTIFY_OK;
 
-	op.cmd = XENPF_settime;
-	op.u.settime.secs = now.tv_sec;
-	op.u.settime.nsecs = now.tv_nsec;
-	op.u.settime.system_time = xen_clocksource_read();
+	op.cmd = XENPF_settime32;
+	op.u.settime32.secs = now.tv_sec;
+	op.u.settime32.nsecs = now.tv_nsec;
+	op.u.settime32.system_time = xen_clocksource_read();
 
 	(void)HYPERVISOR_platform_op(&op);
 
diff --git a/include/xen/interface/platform.h b/include/xen/interface/platform.h
index 8e03587..732efb0 100644
--- a/include/xen/interface/platform.h
+++ b/include/xen/interface/platform.h
@@ -35,14 +35,23 @@ 
  * Set clock such that it would read <secs,nsecs> after 00:00:00 UTC,
  * 1 January, 1970 if the current system time was <system_time>.
  */
-#define XENPF_settime             17
-struct xenpf_settime {
+#define XENPF_settime32             17
+struct xenpf_settime32 {
 	/* IN variables. */
 	uint32_t secs;
 	uint32_t nsecs;
 	uint64_t system_time;
 };
-DEFINE_GUEST_HANDLE_STRUCT(xenpf_settime_t);
+DEFINE_GUEST_HANDLE_STRUCT(xenpf_settime32_t);
+#define XENPF_settime64           62
+struct xenpf_settime64 {
+    /* IN variables. */
+    uint64_t secs;
+    uint32_t nsecs;
+    uint32_t mbz;
+    uint64_t system_time;
+};
+DEFINE_GUEST_HANDLE_STRUCT(xenpf_settime64_t);
 
 /*
  * Request memory range (@mfn, @mfn+@nr_mfns-1) to have type @type.
@@ -495,7 +504,8 @@  struct xen_platform_op {
 	uint32_t cmd;
 	uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
 	union {
-		struct xenpf_settime           settime;
+		struct xenpf_settime32         settime32;
+		struct xenpf_settime64         settime64;
 		struct xenpf_add_memtype       add_memtype;
 		struct xenpf_del_memtype       del_memtype;
 		struct xenpf_read_memtype      read_memtype;