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_noalloc(struct xe_guc_ct *ct); 15 int xe_guc_ct_init(struct xe_guc_ct *ct); 16 int xe_guc_ct_enable(struct xe_guc_ct *ct); 17 void xe_guc_ct_disable(struct xe_guc_ct *ct); 18 void xe_guc_ct_stop(struct xe_guc_ct *ct); 19 void xe_guc_ct_fast_path(struct xe_guc_ct *ct); 20 21 struct xe_guc_ct_snapshot *xe_guc_ct_snapshot_capture(struct xe_guc_ct *ct); 22 void xe_guc_ct_snapshot_print(struct xe_guc_ct_snapshot *snapshot, 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 want_ctb); 25 26 void xe_guc_ct_fixup_messages_with_ggtt(struct xe_guc_ct *ct, s64 ggtt_shift); 27 28 static inline bool xe_guc_ct_initialized(struct xe_guc_ct *ct) 29 { 30 return ct->state != XE_GUC_CT_STATE_NOT_INITIALIZED; 31 } 32 33 static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct) 34 { 35 return ct->state == XE_GUC_CT_STATE_ENABLED; 36 } 37 38 static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct) 39 { 40 if (!xe_guc_ct_enabled(ct)) 41 return; 42 43 wake_up_all(&ct->wq); 44 queue_work(ct->g2h_wq, &ct->g2h_worker); 45 xe_guc_ct_fast_path(ct); 46 } 47 48 /* Basic CT send / receives */ 49 int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len, 50 u32 g2h_len, u32 num_g2h); 51 int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len, 52 u32 g2h_len, u32 num_g2h); 53 int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len, 54 u32 *response_buffer); 55 static inline int 56 xe_guc_ct_send_block(struct xe_guc_ct *ct, const u32 *action, u32 len) 57 { 58 return xe_guc_ct_send_recv(ct, action, len, NULL); 59 } 60 61 /* This is only version of the send CT you can call from a G2H handler */ 62 int xe_guc_ct_send_g2h_handler(struct xe_guc_ct *ct, const u32 *action, 63 u32 len); 64 65 /* Can't fail because a GT reset is in progress */ 66 int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action, 67 u32 len, u32 *response_buffer); 68 static inline int 69 xe_guc_ct_send_block_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len) 70 { 71 return xe_guc_ct_send_recv_no_fail(ct, action, len, NULL); 72 } 73 74 long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct); 75 76 #endif 77