111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/*
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*
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* (C) COPYRIGHT 2014, 2016 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained
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* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* Job manager common APIs
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*/
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#ifndef _KBASE_JM_H_
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#define _KBASE_JM_H_
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/**
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* kbase_jm_kick() - Indicate that there are jobs ready to run.
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* @kbdev: Device pointer
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* @js_mask: Mask of the job slots that can be pulled from.
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*
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* Caller must hold the hwaccess_lock and schedule_sem semaphore
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*
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* Return: Mask of the job slots that can still be submitted to.
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*/
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u32 kbase_jm_kick(struct kbase_device *kbdev, u32 js_mask);
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/**
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* kbase_jm_kick_all() - Indicate that there are jobs ready to run on all job
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* slots.
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* @kbdev: Device pointer
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*
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* Caller must hold the hwaccess_lock and schedule_sem semaphore
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*
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* Return: Mask of the job slots that can still be submitted to.
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*/
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static inline u32 kbase_jm_kick_all(struct kbase_device *kbdev)
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{
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return kbase_jm_kick(kbdev, (1 << kbdev->gpu_props.num_job_slots) - 1);
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}
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/**
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* kbase_jm_try_kick - Attempt to call kbase_jm_kick
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* @kbdev: Device pointer
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* @js_mask: Mask of the job slots that can be pulled from
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* Context: Caller must hold hwaccess_lock
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*
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* If schedule_sem can be immediately obtained then this function will call
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* kbase_jm_kick() otherwise it will do nothing.
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*/
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void kbase_jm_try_kick(struct kbase_device *kbdev, u32 js_mask);
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/**
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* kbase_jm_try_kick_all() - Attempt to call kbase_jm_kick_all
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* @kbdev: Device pointer
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* Context: Caller must hold hwaccess_lock
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*
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* If schedule_sem can be immediately obtained then this function will call
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* kbase_jm_kick_all() otherwise it will do nothing.
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*/
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void kbase_jm_try_kick_all(struct kbase_device *kbdev);
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/**
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* kbase_jm_idle_ctx() - Mark a context as idle.
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* @kbdev: Device pointer
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* @kctx: Context to mark as idle
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*
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* No more atoms will be pulled from this context until it is marked as active
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* by kbase_js_use_ctx().
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*
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* The context should have no atoms currently pulled from it
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* (kctx->atoms_pulled == 0).
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*
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* Caller must hold the hwaccess_lock
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*/
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void kbase_jm_idle_ctx(struct kbase_device *kbdev, struct kbase_context *kctx);
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/**
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* kbase_jm_return_atom_to_js() - Return an atom to the job scheduler that has
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* been soft-stopped or will fail due to a
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* dependency
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* @kbdev: Device pointer
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* @katom: Atom that has been stopped or will be failed
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*
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* Return: Atom that has now been unblocked and can now be run, or NULL if none
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*/
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struct kbase_jd_atom *kbase_jm_return_atom_to_js(struct kbase_device *kbdev,
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struct kbase_jd_atom *katom);
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/**
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* kbase_jm_complete() - Complete an atom
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* @kbdev: Device pointer
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* @katom: Atom that has completed
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* @end_timestamp: Timestamp of atom completion
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*
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* Return: Atom that has now been unblocked and can now be run, or NULL if none
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*/
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struct kbase_jd_atom *kbase_jm_complete(struct kbase_device *kbdev,
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struct kbase_jd_atom *katom, ktime_t *end_timestamp);
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#endif /* _KBASE_JM_H_ */
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