linux-kernel - [PATCH 04 of 24] xen: add missing definitions in include/xen/interface/vcpu.h which ia64/xen needs

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Message-Id: <8023c18664d77145f664.1207158833@localhost>
Date:	Wed, 02 Apr 2008 10:53:53 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Isaku Yamahata <yamahata@...inux.co.jp>
Subject: [PATCH 04 of 24] xen: add missing definitions in
	include/xen/interface/vcpu.h which ia64/xen needs

From: Isaku Yamahata <yamahata@...inux.co.jp>

Add xen handles realted definitions for xen vcpu which ia64/xen needs.
Pointer argumsnts for ia64/xen hypercall are passed in pseudo physical
address (guest physical address) so that it is required to convert
guest kernel virtual address into pseudo physical address.
The xen guest handle represents such arguments.

Signed-off-by: Isaku Yamahata <yamahata@...inux.co.jp>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
---
 include/xen/interface/vcpu.h |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/xen/interface/vcpu.h b/include/xen/interface/vcpu.h
--- a/include/xen/interface/vcpu.h
+++ b/include/xen/interface/vcpu.h
@@ -85,6 +85,7 @@
 		 */
 		uint64_t time[4];
 };
+DEFINE_GUEST_HANDLE_STRUCT(vcpu_runstate_info);
 
 /* VCPU is currently running on a physical CPU. */
 #define RUNSTATE_running  0
@@ -119,6 +120,7 @@
 #define VCPUOP_register_runstate_memory_area 5
 struct vcpu_register_runstate_memory_area {
 		union {
+				GUEST_HANDLE(vcpu_runstate_info) h;
 				struct vcpu_runstate_info *v;
 				uint64_t p;
 		} addr;
@@ -134,6 +136,7 @@
 struct vcpu_set_periodic_timer {
 		uint64_t period_ns;
 };
+DEFINE_GUEST_HANDLE_STRUCT(vcpu_set_periodic_timer);
 
 /*
  * Set or stop a VCPU's single-shot timer. Every VCPU has one single-shot
@@ -145,6 +148,7 @@
 		uint64_t timeout_abs_ns;
 		uint32_t flags;			   /* VCPU_SSHOTTMR_??? */
 };
+DEFINE_GUEST_HANDLE_STRUCT(vcpu_set_singleshot_timer);
 
 /* Flags to VCPUOP_set_singleshot_timer. */
  /* Require the timeout to be in the future (return -ETIME if it's passed). */
@@ -164,5 +168,6 @@
     uint32_t offset; /* offset within page */
     uint32_t rsvd;   /* unused */
 };
+DEFINE_GUEST_HANDLE_STRUCT(vcpu_register_vcpu_info);
 
 #endif /* __XEN_PUBLIC_VCPU_H__ */


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