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
xe_guc_ct_initialized(struct xe_guc_ct * ct)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
xe_guc_ct_enabled(struct xe_guc_ct * ct)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
xe_guc_ct_irq_handler(struct xe_guc_ct * ct)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
xe_guc_ct_send_block(struct xe_guc_ct * ct,const u32 * action,u32 len)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
xe_guc_ct_send_block_no_fail(struct xe_guc_ct * ct,const u32 * action,u32 len)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