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Subject[PATCH v2 1/3] xen: update xen headers
Date
Update some Xen headers to be able to use new functionality.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
---
include/xen/interface/vcpu.h | 24 +++++++++++++++---------
include/xen/interface/xen.h | 17 ++++++++++++++++-
2 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/include/xen/interface/vcpu.h b/include/xen/interface/vcpu.h
index b05288c..98188c8 100644
--- a/include/xen/interface/vcpu.h
+++ b/include/xen/interface/vcpu.h
@@ -75,15 +75,21 @@
*/
#define VCPUOP_get_runstate_info 4
struct vcpu_runstate_info {
- /* VCPU's current state (RUNSTATE_*). */
- int state;
- /* When was current state entered (system time, ns)? */
- uint64_t state_entry_time;
- /*
- * Time spent in each RUNSTATE_* (ns). The sum of these times is
- * guaranteed not to drift from system time.
- */
- uint64_t time[4];
+ /* VCPU's current state (RUNSTATE_*). */
+ int state;
+ /* When was current state entered (system time, ns)? */
+ uint64_t state_entry_time;
+ /*
+ * Update indicator set in state_entry_time:
+ * When activated via VMASST_TYPE_runstate_update_flag, set during
+ * updates in guest memory mapped copy of vcpu_runstate_info.
+ */
+#define XEN_RUNSTATE_UPDATE (1ULL << 63)
+ /*
+ * Time spent in each RUNSTATE_* (ns). The sum of these times is
+ * guaranteed not to drift from system time.
+ */
+ uint64_t time[4];
};
DEFINE_GUEST_HANDLE_STRUCT(vcpu_runstate_info);

diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
index d133112..1b0d189 100644
--- a/include/xen/interface/xen.h
+++ b/include/xen/interface/xen.h
@@ -413,7 +413,22 @@ DEFINE_GUEST_HANDLE_STRUCT(mmuext_op);
/* x86/PAE guests: support PDPTs above 4GB. */
#define VMASST_TYPE_pae_extended_cr3 3

-#define MAX_VMASST_TYPE 3
+/*
+ * x86 guests: Sane behaviour for virtual iopl
+ * - virtual iopl updated from do_iret() hypercalls.
+ * - virtual iopl reported in bounce frames.
+ * - guest kernels assumed to be level 0 for the purpose of iopl checks.
+ */
+#define VMASST_TYPE_architectural_iopl 4
+
+/*
+ * All guests: activate update indicator in vcpu_runstate_info
+ * Enable setting the XEN_RUNSTATE_UPDATE flag in guest memory mapped
+ * vcpu_runstate_info during updates of the runstate information.
+ */
+#define VMASST_TYPE_runstate_update_flag 5
+
+#define MAX_VMASST_TYPE 5

#ifndef __ASSEMBLY__

--
2.6.6
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