attachment:gpu-klmirqd-liblitmus-rt-ecrts12.patch of Publications

   1 From 46e1995ef071f61cd1e21e61857c7ce66cac2022 Mon Sep 17 00:00:00 2001
   2 From: Glenn Elliott <gelliott@cs.unc.edu>
   3 Date: Thu, 2 Jun 2011 16:12:13 -0400
   4 Subject: [PATCH] LibLitmus2010 changes to support klitirqd and Nvidia GPUs.  Changes mostly related to k-FMLP.
   5 
   6 ---
   7  include/litmus.h |   12 +++++++++++-
   8  src/syscalls.c   |   10 ++++++++++
   9  2 files changed, 21 insertions(+), 1 deletions(-)
  10 
  11 diff --git a/include/litmus.h b/include/litmus.h
  12 index 52435d8..035d1c3 100644
  13 --- a/include/litmus.h
  14 +++ b/include/litmus.h
  15 @@ -49,7 +49,8 @@ int sporadic_task_ns(
  16  /* file descriptor attached shared objects support */
  17  typedef enum  {
  18  	FMLP_SEM	= 0,
  19 -	SRP_SEM		= 1,
  20 +	KFMLP_SEM	= 1,
  21 +	SRP_SEM		= 2,
  22  } obj_type_t;
  23  
  24  int od_openx(int fd, obj_type_t type, int obj_id, void* config);
  25 @@ -64,6 +65,10 @@ static inline int od_open(int fd, obj_type_t type, int obj_id)
  26  int litmus_lock(int od);
  27  int litmus_unlock(int od);
  28  
  29 +/* nvidia graphics cards */
  30 +int register_nv_device(int nv_device_id);
  31 +int unregister_nv_device(int nv_device_id);
  32 +
  33  /* job control*/
  34  int get_job_no(unsigned int* job_no);
  35  int wait_for_job_release(unsigned int job_no);
  36 @@ -120,6 +125,11 @@ static inline int open_fmlp_sem(int fd, int name)
  37  	return od_open(fd, FMLP_SEM, name);
  38  }
  39  
  40 +static inline int open_kfmlp_sem(int fd, int name, void* arg)
  41 +{
  42 +	return od_openx(fd, KFMLP_SEM, name, arg);
  43 +}
  44 +
  45  static inline int open_srp_sem(int fd, int name)
  46  {
  47  	return od_open(fd, SRP_SEM, name);
  48 diff --git a/src/syscalls.c b/src/syscalls.c
  49 index d800141..b0fee23 100644
  50 --- a/src/syscalls.c
  51 +++ b/src/syscalls.c
  52 @@ -88,3 +88,13 @@ int null_call(cycles_t *timestamp)
  53  {
  54  	return syscall(__NR_null_call, timestamp);
  55  }
  56 +
  57 +int register_nv_device(int nv_device_id)
  58 +{
  59 +	return syscall(__NR_register_nv_device, nv_device_id, 1);
  60 +}
  61 +
  62 +int unregister_nv_device(int nv_device_id)
  63 +{
  64 +	return syscall(__NR_register_nv_device, nv_device_id, 0);
  65 +}
  66 -- 
  67 1.7.0.4