lguest: introduce vcpu struct

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@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h
index 86924891b5eb..5f73ddff0e3d 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 lg_cpu {
+        unsigned int 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 lg_cpu cpus[NR_CPUS];
+        unsigned int nr_cpus;
+
         u32 pfn_limit;
         /* This provides the offset to the base of guest-physical
          * memory in the Launcher. */