tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
11struct drm_printer;
12struct xe_device;
13
14int xe_guc_ct_init(struct xe_guc_ct *ct);
15int xe_guc_ct_enable(struct xe_guc_ct *ct);
16void xe_guc_ct_disable(struct xe_guc_ct *ct);
17void xe_guc_ct_stop(struct xe_guc_ct *ct);
18void xe_guc_ct_fast_path(struct xe_guc_ct *ct);
19
20struct xe_guc_ct_snapshot *xe_guc_ct_snapshot_capture(struct xe_guc_ct *ct);
21void xe_guc_ct_snapshot_print(struct xe_guc_ct_snapshot *snapshot, struct drm_printer *p);
22void xe_guc_ct_snapshot_free(struct xe_guc_ct_snapshot *snapshot);
23void xe_guc_ct_print(struct xe_guc_ct *ct, struct drm_printer *p, bool want_ctb);
24
25static inline bool xe_guc_ct_initialized(struct xe_guc_ct *ct)
26{
27 return ct->state != XE_GUC_CT_STATE_NOT_INITIALIZED;
28}
29
30static inline bool xe_guc_ct_enabled(struct xe_guc_ct *ct)
31{
32 return ct->state == XE_GUC_CT_STATE_ENABLED;
33}
34
35static 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 */
46int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len,
47 u32 g2h_len, u32 num_g2h);
48int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len,
49 u32 g2h_len, u32 num_g2h);
50int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len,
51 u32 *response_buffer);
52static inline int
53xe_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 */
59int 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 */
63int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action,
64 u32 len, u32 *response_buffer);
65static inline int
66xe_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
71long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct);
72
73#endif