Setup DGL system calls.

4 files changed, 35 insertions, 4 deletions

diff --git a/include/litmus/fdso.h b/include/litmus/fdso.h
index f2115b83f1e4..82f88221f4f0 100644
--- a/include/litmus/fdso.h
+++ b/include/litmus/fdso.h
@@ -12,7 +12,9 @@
 #include <linux/fs.h>
 #include <linux/slab.h>
 
-#define MAX_OBJECT_DESCRIPTORS 85
+#define MAX_OBJECT_DESCRIPTORS 32
+
+typedef unsigned int resource_mask_t;
 
 typedef enum  {
         MIN_OBJ_TYPE    = 0,
@@ -25,8 +27,10 @@ typedef enum  {
         DPCP_SEM        = 4,
 
         PCP_SEM         = 5,
+        
+    DGL_SEM         = 6,
 
-        MAX_OBJ_TYPE    = 5
+        MAX_OBJ_TYPE    = 6
 } obj_type_t;
 
 struct inode_obj_id {
diff --git a/include/litmus/locking.h b/include/litmus/locking.h
index 4d7b870cb443..e9998946e7de 100644
--- a/include/litmus/locking.h
+++ b/include/litmus/locking.h
@@ -3,6 +3,8 @@
 
 struct litmus_lock_ops;
 
+struct dynamic_group_lock_ops;
+
 /* Generic base struct for LITMUS^RT userspace semaphores.
  * This structure should be embedded in protocol-specific semaphores.
  */
@@ -25,4 +27,20 @@ struct litmus_lock_ops {
         void (*deallocate)(struct litmus_lock*);
 };
 
+struct dynamic_group_lock {
+    struct dynamic_group_lock_ops *ops;
+
+    /* Probably useful for different RNLP variants. */
+    int type;
+};
+
+struct dynamic_group_lock_ops {
+    // Do we need open and close?
+
+    int (*lock)(struct dynamic_group_lock*);
+    int (*unlock)(struct dynamic_group_lock*);
+
+    void (*deallocate)(struct dynamic_group_lock*);
+};
+
 #endif
diff --git a/include/litmus/unistd_32.h b/include/litmus/unistd_32.h
index 94264c27d9ac..1c59c92547c5 100644
--- a/include/litmus/unistd_32.h
+++ b/include/litmus/unistd_32.h
@@ -17,5 +17,8 @@
 #define __NR_wait_for_ts_release __LSC(9)
 #define __NR_release_ts         __LSC(10)
 #define __NR_null_call          __LSC(11)
+#define __NR_dynamic_group_lock     __LSC(12)
+#define __NR_dynamic_group_unlock   __LSC(13)
+#define __NR_dynamic_group_add      __LSC(14)
 
-#define NR_litmus_syscalls 12
+#define NR_litmus_syscalls 15
diff --git a/include/litmus/unistd_64.h b/include/litmus/unistd_64.h
index d5ced0d2642c..93ea10363b46 100644
--- a/include/litmus/unistd_64.h
+++ b/include/litmus/unistd_64.h
@@ -29,5 +29,11 @@ __SYSCALL(__NR_wait_for_ts_release, sys_wait_for_ts_release)
 __SYSCALL(__NR_release_ts, sys_release_ts)
 #define __NR_null_call                          __LSC(11)
 __SYSCALL(__NR_null_call, sys_null_call)
+#define __NR_dynamic_group_lock     __LSC(12)
+__SYSCALL(__NR_dynamic_group_lock, sys_dynamic_group_lock)
+#define __NR_dynamic_group_unlock   __LSC(13)
+__SYSCALL(__NR_dynamic_group_lock, sys_dynamic_group_unlock)
+#define __NR_dynamic_group_add      __LSC(14)
+__SYSCALL(__NR_dynamic_group_add, sys_dynamic_group_add)
 
-#define NR_litmus_syscalls 12
+#define NR_litmus_syscalls 15