/* SPDX-License-Identifier: MIT */ /* * Copyright © 2022 Intel Corporation */ #ifndef _XE_GUC_CT_H_ #define _XE_GUC_CT_H_ #include "xe_guc_ct_types.h" struct drm_printer; int xe_guc_ct_init(struct xe_guc_ct *ct); int xe_guc_ct_enable(struct xe_guc_ct *ct); void xe_guc_ct_disable(struct xe_guc_ct *ct); void xe_guc_ct_stop(struct xe_guc_ct *ct); void xe_guc_ct_fast_path(struct xe_guc_ct *ct); struct xe_guc_ct_snapshot * xe_guc_ct_snapshot_capture(struct xe_guc_ct *ct, bool atomic); void xe_guc_ct_snapshot_print(struct xe_guc_ct_snapshot *snapshot, struct drm_printer *p); void xe_guc_ct_snapshot_free(struct xe_guc_ct_snapshot *snapshot); void xe_guc_ct_print(struct xe_guc_ct *ct, struct drm_printer *p, bool atomic); static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct) { return ct->state == XE_GUC_CT_STATE_ENABLED; } static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct) { if (!xe_guc_ct_enabled(ct)) return; wake_up_all(&ct->wq); queue_work(ct->g2h_wq, &ct->g2h_worker); xe_guc_ct_fast_path(ct); } /* Basic CT send / receives */ int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len, u32 g2h_len, u32 num_g2h); int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len, u32 g2h_len, u32 num_g2h); int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len, u32 *response_buffer); static inline int xe_guc_ct_send_block(struct xe_guc_ct *ct, const u32 *action, u32 len) { return xe_guc_ct_send_recv(ct, action, len, NULL); } /* This is only version of the send CT you can call from a G2H handler */ int xe_guc_ct_send_g2h_handler(struct xe_guc_ct *ct, const u32 *action, u32 len); /* Can't fail because a GT reset is in progress */ int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len, u32 *response_buffer); static inline int xe_guc_ct_send_block_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len) { return xe_guc_ct_send_recv_no_fail(ct, action, len, NULL); } #endif