1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #ifndef _XE_GUC_CT_H_ 7 #define _XE_GUC_CT_H_ 8 9 #include "xe_guc_ct_types.h" 10 11 struct drm_printer; 12 13 int xe_guc_ct_init(struct xe_guc_ct *ct); 14 int xe_guc_ct_enable(struct xe_guc_ct *ct); 15 void xe_guc_ct_disable(struct xe_guc_ct *ct); 16 void xe_guc_ct_stop(struct xe_guc_ct *ct); 17 void xe_guc_ct_fast_path(struct xe_guc_ct *ct); 18 19 struct xe_guc_ct_snapshot * 20 xe_guc_ct_snapshot_capture(struct xe_guc_ct *ct, bool atomic); 21 void xe_guc_ct_snapshot_print(struct xe_guc_ct_snapshot *snapshot, 22 struct drm_printer *p); 23 void xe_guc_ct_snapshot_free(struct xe_guc_ct_snapshot *snapshot); 24 void xe_guc_ct_print(struct xe_guc_ct *ct, struct drm_printer *p, bool atomic); 25 26 static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct) 27 { 28 return ct->state == XE_GUC_CT_STATE_ENABLED; 29 } 30 31 static 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 */ 42 int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len, 43 u32 g2h_len, u32 num_g2h); 44 int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len, 45 u32 g2h_len, u32 num_g2h); 46 int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len, 47 u32 *response_buffer); 48 static inline int 49 xe_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 */ 55 int 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 */ 59 int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action, 60 u32 len, u32 *response_buffer); 61 static inline int 62 xe_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 67 long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct); 68 69 #endif 70