LITMUS^RT syscall: expose sys_reservation_create() via ioctl()

2 files changed, 12 insertions, 0 deletions

diff --git a/include/litmus/ctrlpage.h b/include/litmus/ctrlpage.h
index 41ca94a36005..f7b03e1aedd6 100644
--- a/include/litmus/ctrlpage.h
+++ b/include/litmus/ctrlpage.h
@@ -64,6 +64,7 @@ typedef enum {
         LRT_null_call = 2006,
         LRT_set_rt_task_param,
         LRT_get_rt_task_param,
+        LRT_reservation_create,
         LRT_complete_job,
         LRT_od_open,
         LRT_od_close,
@@ -82,6 +83,11 @@ union litmus_syscall_args {
         } get_set_task_param;
 
         struct {
+                uint32_t type;
+                void __user *config;
+        } reservation_create;
+
+        struct {
                 uint32_t fd;
                 uint32_t obj_type;
                 uint32_t obj_id;
diff --git a/litmus/ctrldev.c b/litmus/ctrldev.c
index 3c8bbdb7c782..716215874803 100644
--- a/litmus/ctrldev.c
+++ b/litmus/ctrldev.c
@@ -122,6 +122,7 @@ static int litmus_ctrl_mmap(struct file* filp, struct vm_area_struct* vma)
 
 asmlinkage long sys_set_rt_task_param(pid_t pid, struct rt_task __user * param);
 asmlinkage long sys_get_rt_task_param(pid_t pid, struct rt_task __user * param);
+asmlinkage long sys_reservation_create(int type, void __user *config);
 asmlinkage long sys_get_current_budget(lt_t __user * _expended, lt_t __user *_remaining);
 asmlinkage long sys_null_call(cycles_t __user *ts);
 asmlinkage long sys_od_open(int fd, int type, int obj_id, void* __user config);
@@ -150,6 +151,7 @@ static long litmus_ctrl_ioctl(struct file *filp,
         switch (cmd) {
         case LRT_set_rt_task_param:
         case LRT_get_rt_task_param:
+        case LRT_reservation_create:
         case LRT_get_current_budget:
         case LRT_od_open:
                 /* multiple arguments => need to get args via pointer */
@@ -168,6 +170,10 @@ static long litmus_ctrl_ioctl(struct file *filp,
                         return sys_get_rt_task_param(
                                 syscall_args.get_set_task_param.pid,
                                 syscall_args.get_set_task_param.param);
+                case LRT_reservation_create:
+                        return sys_reservation_create(
+                                syscall_args.reservation_create.type,
+                                syscall_args.reservation_create.config);
                 case LRT_get_current_budget:
                         return sys_get_current_budget(
                                 syscall_args.get_current_budget.expended,