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 void xe_guc_ct_fixup_messages_with_ggtt(struct xe_guc_ct *ct, s64 ggtt_shift); 26 27 static inline bool xe_guc_ct_initialized(struct xe_guc_ct *ct) 28 { 29 return ct->state != XE_GUC_CT_STATE_NOT_INITIALIZED; 30 } 31 32 static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct) 33 { 34 return ct->state == XE_GUC_CT_STATE_ENABLED; 35 } 36 37 static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct) 38 { 39 if (!xe_guc_ct_enabled(ct)) 40 return; 41 42 wake_up_all(&ct->wq); 43 queue_work(ct->g2h_wq, &ct->g2h_worker); 44 xe_guc_ct_fast_path(ct); 45 } 46 47 /* Basic CT send / receives */ 48 int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len, 49 u32 g2h_len, u32 num_g2h); 50 int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len, 51 u32 g2h_len, u32 num_g2h); 52 int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len, 53 u32 *response_buffer); 54 static inline int 55 xe_guc_ct_send_block(struct xe_guc_ct *ct, const u32 *action, u32 len) 56 { 57 return xe_guc_ct_send_recv(ct, action, len, NULL); 58 } 59 60 /* This is only version of the send CT you can call from a G2H handler */ 61 int xe_guc_ct_send_g2h_handler(struct xe_guc_ct *ct, const u32 *action, 62 u32 len); 63 64 /* Can't fail because a GT reset is in progress */ 65 int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action, 66 u32 len, u32 *response_buffer); 67 static inline int 68 xe_guc_ct_send_block_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len) 69 { 70 return xe_guc_ct_send_recv_no_fail(ct, action, len, NULL); 71 } 72 73 long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct); 74 75 #endif 76