/* SPDX-License-Identifier: MIT */ /* * Copyright © 2022 Intel Corporation */ #ifndef _XE_FORCE_WAKE_H_ #define _XE_FORCE_WAKE_H_ #include "xe_assert.h" #include "xe_force_wake_types.h" struct xe_gt; void xe_force_wake_init_gt(struct xe_gt *gt, struct xe_force_wake *fw); void xe_force_wake_init_engines(struct xe_gt *gt, struct xe_force_wake *fw); int xe_force_wake_get(struct xe_force_wake *fw, enum xe_force_wake_domains domains); int xe_force_wake_put(struct xe_force_wake *fw, enum xe_force_wake_domains domains); static inline int xe_force_wake_ref(struct xe_force_wake *fw, enum xe_force_wake_domains domain) { xe_gt_assert(fw->gt, domain != XE_FORCEWAKE_ALL); return fw->domains[ffs(domain) - 1].ref; } /** * xe_force_wake_assert_held - asserts domain is awake * @fw : xe_force_wake structure * @domain: xe_force_wake_domains apart from XE_FORCEWAKE_ALL * * xe_force_wake_assert_held() is designed to confirm a particular * forcewake domain's wakefulness; it doesn't verify the wakefulness of * multiple domains. Make sure the caller doesn't input multiple * domains(XE_FORCEWAKE_ALL) as a parameter. */ static inline void xe_force_wake_assert_held(struct xe_force_wake *fw, enum xe_force_wake_domains domain) { xe_gt_assert(fw->gt, domain != XE_FORCEWAKE_ALL); xe_gt_assert(fw->gt, fw->awake_domains & domain); } #endif