this patch introduces a vcpu struct for lguest. In upcoming patches,
more and more fields will be moved from the lguest struct to the vcpu
Signed-off-by: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>
---
drivers/lguest/lg.h | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h
index 8692489..9723732 100644
--- a/drivers/lguest/lg.h
+++ b/drivers/lguest/lg.h
@@ -38,6 +38,13 @@ struct lguest_pages
#define CHANGED_GDT_TLS 4 /* Actually a subset of CHANGED_GDT */
#define CHANGED_ALL 3
+struct lguest;
+
+struct lguest_vcpu {
+ int vcpu_id;
+ struct lguest *lg;
+};
+
/* The private info the thread maintains about the guest. */
struct lguest
{
@@ -47,6 +54,9 @@ struct lguest
struct lguest_data __user *lguest_data;
struct task_struct *tsk;
struct mm_struct *mm; /* == tsk->mm, but that becomes NULL on exit */
+ struct lguest_vcpu vcpus[NR_CPUS];
+ unsigned int nr_vcpus;
+
u32 pfn_limit;
/* This provides the offset to the base of guest-physical
* memory in the Launcher. */
@@ -92,6 +102,11 @@ struct lguest
DECLARE_BITMAP(irqs_pending, LGUEST_IRQS);
};
+static inline struct lguest *lg_of_vcpu(struct lguest_vcpu *vcpu)
+{
+ return container_of((vcpu - vcpu->vcpu_id), struct lguest, vcpus[0]);
+}
+
extern struct mutex lguest_lock;
/* core.c: */
--
1.5.0.6
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