4 files changed, 40 insertions, 3 deletions

diff --git a/include/litmus/mc2_common.h b/include/litmus/mc2_common.h
new file mode 100644
index 000000000000..e3c0af28f1b9
--- /dev/null
+++ b/include/litmus/mc2_common.h
@@ -0,0 +1,31 @@
+/*
+ * MC^2 common data structures
+ */
+ 
+#ifndef __UNC_MC2_COMMON_H__
+#define __UNC_MC2_COMMON_H__
+
+enum crit_level {
+        CRIT_LEVEL_A = 0,
+        CRIT_LEVEL_B = 1,
+        CRIT_LEVEL_C = 2,
+        NUM_CRIT_LEVELS = 3,
+};
+
+struct mc2_task {
+        enum crit_level crit;
+        unsigned int res_id;
+};
+
+#ifdef __KERNEL__
+
+#include <litmus/reservation.h>
+
+#define tsk_mc2_data(t)         (tsk_rt(t)->mc2_data)
+
+long mc2_task_client_init(struct task_client *tc, struct mc2_task *mc2_param, struct task_struct *tsk,
+                                                        struct reservation *res);
+        
+#endif /* __KERNEL__ */
+
+#endif
\ No newline at end of file
diff --git a/include/litmus/rt_param.h b/include/litmus/rt_param.h
index e626bbbe60d5..26dfa33c1e5e 100644
--- a/include/litmus/rt_param.h
+++ b/include/litmus/rt_param.h
@@ -206,6 +206,7 @@ struct rt_job {
 };
 
 struct pfair_param;
+struct mc2_task;
 
 /*      RT task parameters for scheduling extensions
  *      These parameters are inherited during clone and therefore must
@@ -322,6 +323,9 @@ struct rt_param {
 
         /* Pointer to the page shared between userspace and kernel. */
         struct control_page * ctrl_page;
+
+        /* Mixed-criticality specific data */
+        struct mc2_task* mc2_data;
 };
 
 #endif
diff --git a/include/litmus/unistd_32.h b/include/litmus/unistd_32.h
index 5f6a2749c6a7..202f439a62ae 100644
--- a/include/litmus/unistd_32.h
+++ b/include/litmus/unistd_32.h
@@ -19,5 +19,6 @@
 #define __NR_null_call          __LSC(11)
 #define __NR_reservation_create __LSC(12)
 #define __NR_reservation_destroy __LSC(13)
+#define __NR_set_mc2_task_param __LSC(14)
 
-#define NR_litmus_syscalls 14
+#define NR_litmus_syscalls 15
diff --git a/include/litmus/unistd_64.h b/include/litmus/unistd_64.h
index 3e6b1d330336..ba2c91c5bf8c 100644
--- a/include/litmus/unistd_64.h
+++ b/include/litmus/unistd_64.h
@@ -33,6 +33,7 @@ __SYSCALL(__NR_null_call, sys_null_call)
 __SYSCALL(__NR_reservation_create, sys_reservation_create)
 #define __NR_reservation_destroy                __LSC(13)
 __SYSCALL(__NR_reservation_destroy, sys_reservation_destroy)
+#define __NR_set_mc2_task_param                 __LSC(14)
+__SYSCALL(__NR_set_mc2_task_param, sys_set_mc2_task_param)
 
-
-#define NR_litmus_syscalls 14
+#define NR_litmus_syscalls 15