kbase_jd_context Struct Reference

Public Attributes
struct mutex	lock
struct kbasep_js_kctx_info	sched_info
struct kbase_jd_atom	atoms [BASE_JD_ATOM_COUNT]
u32	job_nr
wait_queue_head_t	zero_jobs_wait
struct workqueue_struct *	job_done_wq
spinlock_t	tb_lock
u32 *	tb
size_t	tb_wrap_offset

Member Data Documentation

job_done_wq

struct workqueue_struct* kbase_jd_context::job_done_wq

Job Done workqueue.

job_nr

u32 kbase_jd_context::job_nr

Tracks all job-dispatch jobs. This includes those not tracked by the scheduler: 'not ready to run' and 'dependency-only' jobs.

zero_jobs_wait

wait_queue_head_t kbase_jd_context::zero_jobs_wait

Waitq that reflects whether there are no jobs (including SW-only dependency jobs). This is set when no jobs are present on the ctx, and clear when there are jobs.

Note

: Job Dispatcher knows about more jobs than the Job Scheduler: the Job Scheduler is unaware of jobs that are blocked on dependencies, and SW-only dependency jobs.

This waitq can be waited upon to find out when the context jobs are all done/cancelled (including those that might've been blocked on dependencies) - and so, whether it can be terminated. However, it should only be terminated once it is not present in the run-pool (see kbasep_js_kctx_info::ctx::is_scheduled).

Since the waitq is only set under kbase_jd_context::lock, the waiter should also briefly obtain and drop kbase_jd_context::lock to guarentee that the setter has completed its work on the kbase_context

This must be updated atomically with:

• kbase_jd_context::job_nr

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The documentation for this struct was generated from the following file:

• mali_kbase_defs.h