From 46e1995ef071f61cd1e21e61857c7ce66cac2022 Mon Sep 17 00:00:00 2001 From: Glenn Elliott Date: Thu, 2 Jun 2011 16:12:13 -0400 Subject: [PATCH] LibLitmus2010 changes to support klitirqd and Nvidia GPUs. Changes mostly related to k-FMLP. --- include/litmus.h | 12 +++++++++++- src/syscalls.c | 10 ++++++++++ 2 files changed, 21 insertions(+), 1 deletions(-) diff --git a/include/litmus.h b/include/litmus.h index 52435d8..035d1c3 100644 --- a/include/litmus.h +++ b/include/litmus.h @@ -49,7 +49,8 @@ int sporadic_task_ns( /* file descriptor attached shared objects support */ typedef enum { FMLP_SEM = 0, - SRP_SEM = 1, + KFMLP_SEM = 1, + SRP_SEM = 2, } obj_type_t; int od_openx(int fd, obj_type_t type, int obj_id, void* config); @@ -64,6 +65,10 @@ static inline int od_open(int fd, obj_type_t type, int obj_id) int litmus_lock(int od); int litmus_unlock(int od); +/* nvidia graphics cards */ +int register_nv_device(int nv_device_id); +int unregister_nv_device(int nv_device_id); + /* job control*/ int get_job_no(unsigned int* job_no); int wait_for_job_release(unsigned int job_no); @@ -120,6 +125,11 @@ static inline int open_fmlp_sem(int fd, int name) return od_open(fd, FMLP_SEM, name); } +static inline int open_kfmlp_sem(int fd, int name, void* arg) +{ + return od_openx(fd, KFMLP_SEM, name, arg); +} + static inline int open_srp_sem(int fd, int name) { return od_open(fd, SRP_SEM, name); diff --git a/src/syscalls.c b/src/syscalls.c index d800141..b0fee23 100644 --- a/src/syscalls.c +++ b/src/syscalls.c @@ -88,3 +88,13 @@ int null_call(cycles_t *timestamp) { return syscall(__NR_null_call, timestamp); } + +int register_nv_device(int nv_device_id) +{ + return syscall(__NR_register_nv_device, nv_device_id, 1); +} + +int unregister_nv_device(int nv_device_id) +{ + return syscall(__NR_register_nv_device, nv_device_id, 0); +} -- 1.7.0.4