Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
Index: 2008-09-19/xen/arch/x86/platform_hypercall.c
===================================================================
--- 2008-09-19.orig/xen/arch/x86/platform_hypercall.c 2008-09-19
14:12:02.000000000 +0200
+++ 2008-09-19/xen/arch/x86/platform_hypercall.c 2008-09-19
14:12:56.000000000 +0200
@@ -21,7 +21,7 @@
#include <xen/acpi.h>
#include <asm/current.h>
#include <public/platform.h>
-#include <acpi/cpufreq/processor_perf.h>
+#include <acpi/cpufreq/cpufreq.h>
#include <asm/edd.h>
#include <asm/mtrr.h>
#include "cpu/mtrr/mtrr.h"
@@ -55,6 +55,7 @@ static long cpu_frequency_change_helper(
ret_t do_platform_op(XEN_GUEST_HANDLE(xen_platform_op_t) u_xenpf_op)
{
ret_t ret = 0;
+ struct vcpu *v;
struct xen_platform_op curop, *op = &curop;
if ( !IS_PRIV(current->domain) )
@@ -312,7 +313,6 @@ ret_t do_platform_op(XEN_GUEST_HANDLE(xe
{
uint32_t cpu;
uint64_t idletime, now = NOW();
- struct vcpu *v;
struct xenctl_cpumap ctlmap;
cpumask_t cpumap;
XEN_GUEST_HANDLE(uint8) cpumap_bitmap;
@@ -482,6 +482,20 @@ ret_t do_platform_op(XEN_GUEST_HANDLE(xe
break;
}
break;
+
+ case XENPF_get_cpu_freq:
+ if ( op->u.get_cpu_freq.vcpu >= MAX_VIRT_CPUS ||
+ !(v = current->domain->vcpu[op->u.get_cpu_freq.vcpu]) )
+ {
+ ret = -EINVAL;
+ break;
+ }
+
+ op->u.get_cpu_freq.freq = cpufreq_cpu_policy[v->processor] ?
+ cpufreq_cpu_policy[v->processor]->cur : 0;
+ if ( copy_field_to_guest(u_xenpf_op, op, u.get_cpu_freq.freq) )
+ ret = -EFAULT;
+ break;
default:
ret = -ENOSYS;
Index: 2008-09-19/xen/arch/x86/x86_64/platform_hypercall.c
===================================================================
--- 2008-09-19.orig/xen/arch/x86/x86_64/platform_hypercall.c 2008-09-19
14:12:02.000000000 +0200
+++ 2008-09-19/xen/arch/x86/x86_64/platform_hypercall.c 2008-09-19
13:59:35.000000000 +0200
@@ -21,6 +21,8 @@ DEFINE_XEN_GUEST_HANDLE(compat_platform_
#define xen_processor_power_t compat_processor_power_t
#define set_cx_pminfo compat_set_cx_pminfo
+#define xenpf_get_cpu_freq compat_pf_get_cpu_freq
+
#define xenpf_enter_acpi_sleep compat_pf_enter_acpi_sleep
#define COMPAT
Index: 2008-09-19/xen/include/public/platform.h
===================================================================
--- 2008-09-19.orig/xen/include/public/platform.h 2008-09-19
14:12:02.000000000 +0200
+++ 2008-09-19/xen/include/public/platform.h 2008-09-19 13:59:35.000000000
+0200
@@ -312,6 +312,16 @@ struct xenpf_set_processor_pminfo {
typedef struct xenpf_set_processor_pminfo xenpf_set_processor_pminfo_t;
DEFINE_XEN_GUEST_HANDLE(xenpf_set_processor_pminfo_t);
+#define XENPF_get_cpu_freq 55
+struct xenpf_get_cpu_freq {
+ /* IN variables */
+ uint32_t vcpu;
+ /* OUT variables */
+ uint32_t freq; /* in kHz */
+};
+typedef struct xenpf_get_cpu_freq xenpf_get_cpu_freq_t;
+DEFINE_XEN_GUEST_HANDLE(xenpf_get_cpu_freq_t);
+
struct xen_platform_op {
uint32_t cmd;
uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
@@ -327,6 +337,7 @@ struct xen_platform_op {
struct xenpf_change_freq change_freq;
struct xenpf_getidletime getidletime;
struct xenpf_set_processor_pminfo set_pminfo;
+ struct xenpf_get_cpu_freq get_cpu_freq;
uint8_t pad[128];
} u;
};
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
|
Home