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 struct xe_device; 13 14 int xe_guc_ct_init(struct xe_guc_ct *ct); 15 int xe_guc_ct_enable(struct xe_guc_ct *ct); 16 void xe_guc_ct_disable(struct xe_guc_ct *ct); 17 void xe_guc_ct_stop(struct xe_guc_ct *ct); 18 void xe_guc_ct_fast_path(struct xe_guc_ct *ct); 19 20 struct xe_guc_ct_snapshot *xe_guc_ct_snapshot_capture(struct xe_guc_ct *ct); 21 void xe_guc_ct_snapshot_print(struct xe_guc_ct_snapshot *snapshot, struct drm_printer *p); 22 void xe_guc_ct_snapshot_free(struct xe_guc_ct_snapshot *snapshot); 23 void xe_guc_ct_print(struct xe_guc_ct *ct, struct drm_printer *p, bool want_ctb); 24 25 static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct) 26 { 27 return ct->state == XE_GUC_CT_STATE_ENABLED; 28 } 29 30 static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct) 31 { 32 if (!xe_guc_ct_enabled(ct)) 33 return; 34 35 wake_up_all(&ct->wq); 36 queue_work(ct->g2h_wq, &ct->g2h_worker); 37 xe_guc_ct_fast_path(ct); 38 } 39 40 /* Basic CT send / receives */ 41 int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len, 42 u32 g2h_len, u32 num_g2h); 43 int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len, 44 u32 g2h_len, u32 num_g2h); 45 int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len, 46 u32 *response_buffer); 47 static inline int 48 xe_guc_ct_send_block(struct xe_guc_ct *ct, const u32 *action, u32 len) 49 { 50 return xe_guc_ct_send_recv(ct, action, len, NULL); 51 } 52 53 /* This is only version of the send CT you can call from a G2H handler */ 54 int xe_guc_ct_send_g2h_handler(struct xe_guc_ct *ct, const u32 *action, 55 u32 len); 56 57 /* Can't fail because a GT reset is in progress */ 58 int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action, 59 u32 len, u32 *response_buffer); 60 static inline int 61 xe_guc_ct_send_block_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len) 62 { 63 return xe_guc_ct_send_recv_no_fail(ct, action, len, NULL); 64 } 65 66 long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct); 67 68 #endif 69