aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/litmus/ikglp_lock.h28
-rw-r--r--include/litmus/rt_param.h3
2 files changed, 23 insertions, 8 deletions
diff --git a/include/litmus/ikglp_lock.h b/include/litmus/ikglp_lock.h
index 357465e78d23..d81b755b9039 100644
--- a/include/litmus/ikglp_lock.h
+++ b/include/litmus/ikglp_lock.h
@@ -19,6 +19,7 @@ typedef struct ikglp_heap_node
19 19
20struct fifo_queue; 20struct fifo_queue;
21struct ikglp_wait_state; 21struct ikglp_wait_state;
22struct fifo_queue;
22 23
23typedef struct ikglp_donee_heap_node 24typedef struct ikglp_donee_heap_node
24{ 25{
@@ -29,22 +30,33 @@ typedef struct ikglp_donee_heap_node
29 struct binheap_node node; 30 struct binheap_node node;
30} ikglp_donee_heap_node_t; 31} ikglp_donee_heap_node_t;
31 32
33typedef enum ikglp_states
34{
35 IKGLP_INVL = 0,
36 IKGLP_FQ,
37 IKGLP_PQ,
38 IKGLP_DONOR
39} ikglp_states_t;
40
32// Maintains the state of a request as it goes through the IKGLP 41// Maintains the state of a request as it goes through the IKGLP
33typedef struct ikglp_wait_state { 42typedef struct ikglp_wait_state {
34 struct task_struct *task; // pointer back to the requesting task 43 struct task_struct *task; // pointer back to the requesting task
44
45 ikglp_states_t cur_q;
46 ikglp_heap_node_t global_heap_node; // data for x-highest-prio tasks
35 47
36 // Data for while waiting in FIFO Queue 48 // Data for while waiting in FIFO Queue
37 wait_queue_t fq_node; 49 wait_queue_t fq_node;
38 ikglp_heap_node_t global_heap_node; 50 struct fifo_queue *fq;
39 ikglp_donee_heap_node_t donee_heap_node; 51 ikglp_donee_heap_node_t donee_heap_node;
40 52
41 // Data for while waiting in PQ 53 // Data for while waiting in PQ
42 ikglp_heap_node_t pq_node; 54 ikglp_heap_node_t pq_node;
43 55
44 // Data for while waiting as a donor 56 // Data for while waiting as a donor
45 ikglp_donee_heap_node_t *donee_info; // cross-linked with donee's ikglp_donee_heap_node_t 57 ikglp_donee_heap_node_t *donee_info; // cross-linked with donee's ikglp_donee_heap_node_t
46 struct nested_info prio_donation; 58 struct nested_info prio_donation;
47 struct binheap_node node; 59 struct binheap_node node;
48} ikglp_wait_state_t; 60} ikglp_wait_state_t;
49 61
50/* struct for semaphore with priority inheritance */ 62/* struct for semaphore with priority inheritance */
diff --git a/include/litmus/rt_param.h b/include/litmus/rt_param.h
index a1cfdb6b6416..7828117a61a8 100644
--- a/include/litmus/rt_param.h
+++ b/include/litmus/rt_param.h
@@ -406,7 +406,10 @@ struct rt_param {
406 406
407 /* pointer to lock upon which is currently blocked */ 407 /* pointer to lock upon which is currently blocked */
408 struct litmus_lock* blocked_lock; 408 struct litmus_lock* blocked_lock;
409 unsigned long blocked_lock_data;
410
409 struct litmus_lock* outermost_lock; 411 struct litmus_lock* outermost_lock;
412 unsigned int virtually_unlocked:1;
410#endif 413#endif
411 414
412 /* user controlled parameters */ 415 /* user controlled parameters */