tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 2023 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23#ifndef KFD_DEBUG_EVENTS_H_INCLUDED
24#define KFD_DEBUG_EVENTS_H_INCLUDED
25
26#include "kfd_priv.h"
27
28void kfd_dbg_trap_deactivate(struct kfd_process *target, bool unwind, int unwind_count);
29int kfd_dbg_trap_activate(struct kfd_process *target);
30int kfd_dbg_ev_query_debug_event(struct kfd_process *process,
31 unsigned int *queue_id,
32 unsigned int *gpu_id,
33 uint64_t exception_clear_mask,
34 uint64_t *event_status);
35bool kfd_set_dbg_ev_from_interrupt(struct kfd_node *dev,
36 unsigned int pasid,
37 uint32_t doorbell_id,
38 uint64_t trap_mask,
39 void *exception_data,
40 size_t exception_data_size);
41bool kfd_dbg_ev_raise(uint64_t event_mask,
42 struct kfd_process *process, struct kfd_node *dev,
43 unsigned int source_id, bool use_worker,
44 void *exception_data,
45 size_t exception_data_size);
46int kfd_dbg_trap_disable(struct kfd_process *target);
47int kfd_dbg_trap_enable(struct kfd_process *target, uint32_t fd,
48 void __user *runtime_info,
49 uint32_t *runtime_info_size);
50int kfd_dbg_trap_set_wave_launch_override(struct kfd_process *target,
51 uint32_t trap_override,
52 uint32_t trap_mask_bits,
53 uint32_t trap_mask_request,
54 uint32_t *trap_mask_prev,
55 uint32_t *trap_mask_supported);
56int kfd_dbg_trap_set_wave_launch_mode(struct kfd_process *target,
57 uint8_t wave_launch_mode);
58int kfd_dbg_trap_clear_dev_address_watch(struct kfd_process_device *pdd,
59 uint32_t watch_id);
60int kfd_dbg_trap_set_dev_address_watch(struct kfd_process_device *pdd,
61 uint64_t watch_address,
62 uint32_t watch_address_mask,
63 uint32_t *watch_id,
64 uint32_t watch_mode);
65int kfd_dbg_trap_set_flags(struct kfd_process *target, uint32_t *flags);
66int kfd_dbg_trap_query_exception_info(struct kfd_process *target,
67 uint32_t source_id,
68 uint32_t exception_code,
69 bool clear_exception,
70 void __user *info,
71 uint32_t *info_size);
72int kfd_dbg_send_exception_to_runtime(struct kfd_process *p,
73 unsigned int dev_id,
74 unsigned int queue_id,
75 uint64_t error_reason);
76
77static inline bool kfd_dbg_is_per_vmid_supported(struct kfd_node *dev)
78{
79 return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) ||
80 KFD_GC_VERSION(dev) >= IP_VERSION(11, 0, 0);
81}
82
83void debug_event_write_work_handler(struct work_struct *work);
84int kfd_dbg_trap_device_snapshot(struct kfd_process *target,
85 uint64_t exception_clear_mask,
86 void __user *user_info,
87 uint32_t *number_of_device_infos,
88 uint32_t *entry_size);
89
90void kfd_dbg_set_enabled_debug_exception_mask(struct kfd_process *target,
91 uint64_t exception_set_mask);
92/*
93 * If GFX off is enabled, chips that do not support RLC restore for the debug
94 * registers will disable GFX off temporarily for the entire debug session.
95 * See disable_on_trap_action_entry and enable_on_trap_action_exit for details.
96 */
97static inline bool kfd_dbg_is_rlc_restore_supported(struct kfd_node *dev)
98{
99 return !(KFD_GC_VERSION(dev) == IP_VERSION(10, 1, 10) ||
100 KFD_GC_VERSION(dev) == IP_VERSION(10, 1, 1));
101}
102
103static inline bool kfd_dbg_has_gws_support(struct kfd_node *dev)
104{
105 if ((KFD_GC_VERSION(dev) == IP_VERSION(9, 0, 1)
106 && dev->kfd->mec2_fw_version < 0x81b6) ||
107 (KFD_GC_VERSION(dev) >= IP_VERSION(9, 1, 0)
108 && KFD_GC_VERSION(dev) <= IP_VERSION(9, 2, 2)
109 && dev->kfd->mec2_fw_version < 0x1b6) ||
110 (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0)
111 && dev->kfd->mec2_fw_version < 0x1b6) ||
112 (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1)
113 && dev->kfd->mec2_fw_version < 0x30) ||
114 (KFD_GC_VERSION(dev) >= IP_VERSION(11, 0, 0) &&
115 KFD_GC_VERSION(dev) < IP_VERSION(12, 0, 0)))
116 return false;
117
118 /* Assume debugging and cooperative launch supported otherwise. */
119 return true;
120}
121
122int kfd_dbg_set_mes_debug_mode(struct kfd_process_device *pdd);
123#endif