/* * Copyright (c) 2026 Abdelkader Boudih * * SPDX-License-Identifier: BSD-2-Clause * * Apple BCE queue management. */ #ifndef _APPLE_BCE_QUEUE_H_ #define _APPLE_BCE_QUEUE_H_ #include "apple_bce.h" struct apple_bce_softc; /* CQ operations */ struct bce_queue_cq *bce_alloc_cq(struct apple_bce_softc *sc, int qid, uint32_t el_count); void bce_free_cq(struct apple_bce_softc *sc, struct bce_queue_cq *cq); void bce_get_cq_memcfg(struct bce_queue_cq *cq, struct bce_queue_memcfg *cfg); void bce_handle_cq_completions(struct apple_bce_softc *sc, struct bce_queue_cq *cq); /* SQ operations */ struct bce_queue_sq *bce_alloc_sq(struct apple_bce_softc *sc, int qid, uint32_t el_size, uint32_t el_count, bce_sq_completion_fn compl, void *userdata); void bce_free_sq(struct apple_bce_softc *sc, struct bce_queue_sq *sq); void bce_get_sq_memcfg(struct bce_queue_sq *sq, struct bce_queue_cq *cq, struct bce_queue_memcfg *cfg); /* Submission helpers */ int bce_reserve_submission(struct bce_queue_sq *sq); void *bce_next_submission(struct bce_queue_sq *sq); void bce_submit_to_device(struct apple_bce_softc *sc, struct bce_queue_sq *sq); void bce_notify_submission_complete(struct bce_queue_sq *sq); /* Command queue */ struct bce_queue_cmdq *bce_alloc_cmdq(struct apple_bce_softc *sc, struct bce_queue_sq *sq); void bce_free_cmdq(struct bce_queue_cmdq *cmdq); uint32_t bce_cmd_register_queue(struct bce_queue_cmdq *cmdq, struct apple_bce_softc *sc, struct bce_queue_memcfg *cfg, const char *name, int isdirout); uint32_t bce_cmd_unregister_queue(struct bce_queue_cmdq *cmdq, struct apple_bce_softc *sc, int qid); uint32_t bce_cmd_flush_queue(struct bce_queue_cmdq *cmdq, struct apple_bce_softc *sc, int qid); #endif /* _APPLE_BCE_QUEUE_H_ */