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_initialized(struct xe_guc_ct *ct) 26 { 27 return ct->state != XE_GUC_CT_STATE_NOT_INITIALIZED; 28 } 29 30 static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct) 31 { 32 return ct->state == XE_GUC_CT_STATE_ENABLED; 33 } 34 35 static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct) 36 { 37 if (!xe_guc_ct_enabled(ct)) 38 return; 39 40 wake_up_all(&ct->wq); 41 queue_work(ct->g2h_wq, &ct->g2h_worker); 42 xe_guc_ct_fast_path(ct); 43 } 44 45 /* Basic CT send / receives */ 46 int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len, 47 u32 g2h_len, u32 num_g2h); 48 int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len, 49 u32 g2h_len, u32 num_g2h); 50 int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len, 51 u32 *response_buffer); 52 static inline int 53 xe_guc_ct_send_block(struct xe_guc_ct *ct, const u32 *action, u32 len) 54 { 55 return xe_guc_ct_send_recv(ct, action, len, NULL); 56 } 57 58 /* This is only version of the send CT you can call from a G2H handler */ 59 int xe_guc_ct_send_g2h_handler(struct xe_guc_ct *ct, const u32 *action, 60 u32 len); 61 62 /* Can't fail because a GT reset is in progress */ 63 int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action, 64 u32 len, u32 *response_buffer); 65 static inline int 66 xe_guc_ct_send_block_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len) 67 { 68 return xe_guc_ct_send_recv_no_fail(ct, action, len, NULL); 69 } 70 71 long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct); 72 73 #endif 74