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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2022 Intel Corporation4 */5 6#ifndef _XE_GUC_CT_H_7#define _XE_GUC_CT_H_8 9#include "xe_guc_ct_types.h"10 11struct drm_printer;12 13int xe_guc_ct_init(struct xe_guc_ct *ct);14int xe_guc_ct_enable(struct xe_guc_ct *ct);15void xe_guc_ct_disable(struct xe_guc_ct *ct);16void xe_guc_ct_stop(struct xe_guc_ct *ct);17void xe_guc_ct_fast_path(struct xe_guc_ct *ct);18 19struct xe_guc_ct_snapshot *20xe_guc_ct_snapshot_capture(struct xe_guc_ct *ct, bool atomic);21void xe_guc_ct_snapshot_print(struct xe_guc_ct_snapshot *snapshot,22 struct drm_printer *p);23void xe_guc_ct_snapshot_free(struct xe_guc_ct_snapshot *snapshot);24void xe_guc_ct_print(struct xe_guc_ct *ct, struct drm_printer *p, bool atomic);25 26static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct)27{28 return ct->state == XE_GUC_CT_STATE_ENABLED;29}30 31static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct)32{33 if (!xe_guc_ct_enabled(ct))34 return;35 36 wake_up_all(&ct->wq);37 queue_work(ct->g2h_wq, &ct->g2h_worker);38 xe_guc_ct_fast_path(ct);39}40 41/* Basic CT send / receives */42int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len,43 u32 g2h_len, u32 num_g2h);44int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len,45 u32 g2h_len, u32 num_g2h);46int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len,47 u32 *response_buffer);48static inline int49xe_guc_ct_send_block(struct xe_guc_ct *ct, const u32 *action, u32 len)50{51 return xe_guc_ct_send_recv(ct, action, len, NULL);52}53 54/* This is only version of the send CT you can call from a G2H handler */55int xe_guc_ct_send_g2h_handler(struct xe_guc_ct *ct, const u32 *action,56 u32 len);57 58/* Can't fail because a GT reset is in progress */59int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action,60 u32 len, u32 *response_buffer);61static inline int62xe_guc_ct_send_block_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len)63{64 return xe_guc_ct_send_recv_no_fail(ct, action, len, NULL);65}66 67long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct);68 69#endif70