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_init_post_hwconfig(struct xe_guc_ct *ct); 17 int xe_guc_ct_enable(struct xe_guc_ct *ct); 18 void xe_guc_ct_disable(struct xe_guc_ct *ct); 19 void xe_guc_ct_stop(struct xe_guc_ct *ct); 20 void xe_guc_ct_fast_path(struct xe_guc_ct *ct); 21 22 struct xe_guc_ct_snapshot *xe_guc_ct_snapshot_capture(struct xe_guc_ct *ct); 23 void xe_guc_ct_snapshot_print(struct xe_guc_ct_snapshot *snapshot, struct drm_printer *p); 24 void xe_guc_ct_snapshot_free(struct xe_guc_ct_snapshot *snapshot); 25 void xe_guc_ct_print(struct xe_guc_ct *ct, struct drm_printer *p, bool want_ctb); 26 27 void xe_guc_ct_fixup_messages_with_ggtt(struct xe_guc_ct *ct, s64 ggtt_shift); 28 29 static inline bool xe_guc_ct_initialized(struct xe_guc_ct *ct) 30 { 31 return ct->state != XE_GUC_CT_STATE_NOT_INITIALIZED; 32 } 33 34 static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct) 35 { 36 return ct->state == XE_GUC_CT_STATE_ENABLED; 37 } 38 39 static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct) 40 { 41 if (!xe_guc_ct_enabled(ct)) 42 return; 43 44 wake_up_all(&ct->wq); 45 queue_work(ct->g2h_wq, &ct->g2h_worker); 46 xe_guc_ct_fast_path(ct); 47 } 48 49 /* Basic CT send / receives */ 50 int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len, 51 u32 g2h_len, u32 num_g2h); 52 int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len, 53 u32 g2h_len, u32 num_g2h); 54 int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len, 55 u32 *response_buffer); 56 static inline int 57 xe_guc_ct_send_block(struct xe_guc_ct *ct, const u32 *action, u32 len) 58 { 59 return xe_guc_ct_send_recv(ct, action, len, NULL); 60 } 61 62 /* This is only version of the send CT you can call from a G2H handler */ 63 int xe_guc_ct_send_g2h_handler(struct xe_guc_ct *ct, const u32 *action, 64 u32 len); 65 66 /* Can't fail because a GT reset is in progress */ 67 int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action, 68 u32 len, u32 *response_buffer); 69 static inline int 70 xe_guc_ct_send_block_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len) 71 { 72 return xe_guc_ct_send_recv_no_fail(ct, action, len, NULL); 73 } 74 75 long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct); 76 77 #endif 78