1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /*
3 * Copyright 2023 Advanced Micro Devices, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 */
24
25 #include "kfd_device_queue_manager.h"
26 #include "gc/gc_12_0_0_sh_mask.h"
27 #include "soc24_enum.h"
28
29 static int update_qpd_v12(struct device_queue_manager *dqm,
30 struct qcm_process_device *qpd);
31 static void init_sdma_vm_v12(struct device_queue_manager *dqm, struct queue *q,
32 struct qcm_process_device *qpd);
33 static bool set_cache_memory_policy_v12(struct device_queue_manager *dqm,
34 struct qcm_process_device *qpd,
35 enum cache_policy default_policy,
36 enum cache_policy alternate_policy,
37 void __user *alternate_aperture_base,
38 uint64_t alternate_aperture_size);
39
device_queue_manager_init_v12(struct device_queue_manager_asic_ops * asic_ops)40 void device_queue_manager_init_v12(
41 struct device_queue_manager_asic_ops *asic_ops)
42 {
43 asic_ops->set_cache_memory_policy = set_cache_memory_policy_v12;
44 asic_ops->update_qpd = update_qpd_v12;
45 asic_ops->init_sdma_vm = init_sdma_vm_v12;
46 asic_ops->mqd_manager_init = mqd_manager_init_v12;
47 }
48
compute_sh_mem_bases_64bit(struct kfd_process_device * pdd)49 static uint32_t compute_sh_mem_bases_64bit(struct kfd_process_device *pdd)
50 {
51 uint32_t shared_base = pdd->lds_base >> 48;
52 uint32_t private_base = pdd->scratch_base >> 48;
53
54 return (shared_base << SH_MEM_BASES__SHARED_BASE__SHIFT) |
55 private_base;
56 }
57
set_cache_memory_policy_v12(struct device_queue_manager * dqm,struct qcm_process_device * qpd,enum cache_policy default_policy,enum cache_policy alternate_policy,void __user * alternate_aperture_base,uint64_t alternate_aperture_size)58 static bool set_cache_memory_policy_v12(struct device_queue_manager *dqm,
59 struct qcm_process_device *qpd,
60 enum cache_policy default_policy,
61 enum cache_policy alternate_policy,
62 void __user *alternate_aperture_base,
63 uint64_t alternate_aperture_size)
64 {
65 qpd->sh_mem_config = (SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
66 SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT) |
67 (3 << SH_MEM_CONFIG__INITIAL_INST_PREFETCH__SHIFT);
68
69 qpd->sh_mem_ape1_limit = 0;
70 qpd->sh_mem_ape1_base = 0;
71 qpd->sh_mem_bases = compute_sh_mem_bases_64bit(qpd_to_pdd(qpd));
72
73 pr_debug("sh_mem_bases 0x%X\n", qpd->sh_mem_bases);
74 return true;
75 }
76
update_qpd_v12(struct device_queue_manager * dqm,struct qcm_process_device * qpd)77 static int update_qpd_v12(struct device_queue_manager *dqm,
78 struct qcm_process_device *qpd)
79 {
80 return 0;
81 }
82
init_sdma_vm_v12(struct device_queue_manager * dqm,struct queue * q,struct qcm_process_device * qpd)83 static void init_sdma_vm_v12(struct device_queue_manager *dqm, struct queue *q,
84 struct qcm_process_device *qpd)
85 {
86 /* Not needed on SDMAv4 onwards any more */
87 q->properties.sdma_vm_addr = 0;
88 }
89