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hv: sched: add sleep/wake for thread object

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sleep one thread_object means to prevent it from being scheduled.
wake one thread_object is an opposite operation of sleep.
This patch also add notify_mode in thread_object to indicate how to
deliver the request.

Tracked-On: #3813
Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Signed-off-by: Yu Wang <yu1.wang@intel.com>
Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Shuo A Liu
2019-06-14 13:10:05 +08:00
committed by ACRN System Integration
parent 9b8c6e6a90
commit 27163df9b1
3 changed files with 45 additions and 26 deletions
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8
hypervisor/include/common/schedule.h
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@@ -19,6 +19,11 @@ enum thread_object_state {
THREAD_STS_BLOCKED
};
enum sched_notify_mode {
SCHED_NOTIFY_INIT,
SCHED_NOTIFY_IPI
};
struct thread_object;
typedef void (*thread_entry_t)(struct thread_object *obj);
typedef void (*switch_t)(struct thread_object *obj);
@@ -28,6 +33,7 @@ struct thread_object {
struct sched_control *sched_ctl;
thread_entry_t thread_entry;
volatile enum thread_object_state status;
enum sched_notify_mode notify_mode;
uint64_t host_sp;
switch_t switch_out;
@@ -57,6 +63,8 @@ void remove_thread_obj(struct thread_object *obj, uint16_t pcpu_id);
void make_reschedule_request(uint16_t pcpu_id, uint16_t delmode);
bool need_reschedule(uint16_t pcpu_id);
void sleep_thread(struct thread_object *obj);
void wake_thread(struct thread_object *obj);
void schedule(void);
void run_sched_thread(struct thread_object *obj);