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_H_
7#define _XE_GUC_H_
8
9#include "xe_gt.h"
10#include "xe_guc_types.h"
11#include "xe_hw_engine_types.h"
12#include "xe_macros.h"
13
14/*
15 * GuC version number components are defined to be only 8-bit size,
16 * so converting to a 32bit 8.8.8 integer allows simple (and safe)
17 * numerical comparisons.
18 */
19#define MAKE_GUC_VER(maj, min, pat) (((maj) << 16) | ((min) << 8) | (pat))
20#define MAKE_GUC_VER_STRUCT(ver) MAKE_GUC_VER((ver).major, (ver).minor, (ver).patch)
21#define GUC_SUBMIT_VER(guc) \
22 MAKE_GUC_VER_STRUCT((guc)->fw.versions.found[XE_UC_FW_VER_COMPATIBILITY])
23#define GUC_FIRMWARE_VER(guc) \
24 MAKE_GUC_VER_STRUCT((guc)->fw.versions.found[XE_UC_FW_VER_RELEASE])
25
26struct drm_printer;
27
28void xe_guc_comm_init_early(struct xe_guc *guc);
29int xe_guc_init_noalloc(struct xe_guc *guc);
30int xe_guc_init(struct xe_guc *guc);
31int xe_guc_init_post_hwconfig(struct xe_guc *guc);
32int xe_guc_post_load_init(struct xe_guc *guc);
33int xe_guc_reset(struct xe_guc *guc);
34int xe_guc_upload(struct xe_guc *guc);
35int xe_guc_min_load_for_hwconfig(struct xe_guc *guc);
36int xe_guc_enable_communication(struct xe_guc *guc);
37int xe_guc_opt_in_features_enable(struct xe_guc *guc);
38int xe_guc_suspend(struct xe_guc *guc);
39void xe_guc_notify(struct xe_guc *guc);
40int xe_guc_auth_huc(struct xe_guc *guc, u32 rsa_addr);
41int xe_guc_mmio_send(struct xe_guc *guc, const u32 *request, u32 len);
42int xe_guc_mmio_send_recv(struct xe_guc *guc, const u32 *request, u32 len,
43 u32 *response_buf);
44int xe_guc_self_cfg32(struct xe_guc *guc, u16 key, u32 val);
45int xe_guc_self_cfg64(struct xe_guc *guc, u16 key, u64 val);
46void xe_guc_irq_handler(struct xe_guc *guc, const u16 iir);
47void xe_guc_sanitize(struct xe_guc *guc);
48void xe_guc_print_info(struct xe_guc *guc, struct drm_printer *p);
49int xe_guc_reset_prepare(struct xe_guc *guc);
50void xe_guc_reset_wait(struct xe_guc *guc);
51void xe_guc_stop_prepare(struct xe_guc *guc);
52void xe_guc_stop(struct xe_guc *guc);
53int xe_guc_start(struct xe_guc *guc);
54void xe_guc_declare_wedged(struct xe_guc *guc);
55
56#if IS_ENABLED(CONFIG_DRM_XE_KUNIT_TEST)
57int xe_guc_g2g_test_notification(struct xe_guc *guc, u32 *payload, u32 len);
58#endif
59
60static inline u16 xe_engine_class_to_guc_class(enum xe_engine_class class)
61{
62 switch (class) {
63 case XE_ENGINE_CLASS_RENDER:
64 return GUC_RENDER_CLASS;
65 case XE_ENGINE_CLASS_VIDEO_DECODE:
66 return GUC_VIDEO_CLASS;
67 case XE_ENGINE_CLASS_VIDEO_ENHANCE:
68 return GUC_VIDEOENHANCE_CLASS;
69 case XE_ENGINE_CLASS_COPY:
70 return GUC_BLITTER_CLASS;
71 case XE_ENGINE_CLASS_COMPUTE:
72 return GUC_COMPUTE_CLASS;
73 case XE_ENGINE_CLASS_OTHER:
74 return GUC_GSC_OTHER_CLASS;
75 default:
76 XE_WARN_ON(class);
77 return -1;
78 }
79}
80
81static inline struct xe_gt *guc_to_gt(struct xe_guc *guc)
82{
83 return container_of(guc, struct xe_gt, uc.guc);
84}
85
86static inline struct xe_device *guc_to_xe(struct xe_guc *guc)
87{
88 return gt_to_xe(guc_to_gt(guc));
89}
90
91static inline struct drm_device *guc_to_drm(struct xe_guc *guc)
92{
93 return &guc_to_xe(guc)->drm;
94}
95
96#endif