1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /*
3 * Copyright 2014-2022 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 <linux/slab.h>
26 #include "kfd_priv.h"
27
print_queue_properties(struct queue_properties * q)28 void print_queue_properties(struct queue_properties *q)
29 {
30 if (!q)
31 return;
32
33 pr_debug("Printing queue properties:\n");
34 pr_debug("Queue Type: %u\n", q->type);
35 pr_debug("Queue Size: %llu\n", q->queue_size);
36 pr_debug("Queue percent: %u\n", q->queue_percent);
37 pr_debug("Queue Address: 0x%llX\n", q->queue_address);
38 pr_debug("Queue Id: %u\n", q->queue_id);
39 pr_debug("Queue Process Vmid: %u\n", q->vmid);
40 pr_debug("Queue Read Pointer: 0x%px\n", q->read_ptr);
41 pr_debug("Queue Write Pointer: 0x%px\n", q->write_ptr);
42 pr_debug("Queue Doorbell Pointer: 0x%p\n", q->doorbell_ptr);
43 pr_debug("Queue Doorbell Offset: %u\n", q->doorbell_off);
44 }
45
print_queue(struct queue * q)46 void print_queue(struct queue *q)
47 {
48 if (!q)
49 return;
50 pr_debug("Printing queue:\n");
51 pr_debug("Queue Type: %u\n", q->properties.type);
52 pr_debug("Queue Size: %llu\n", q->properties.queue_size);
53 pr_debug("Queue percent: %u\n", q->properties.queue_percent);
54 pr_debug("Queue Address: 0x%llX\n", q->properties.queue_address);
55 pr_debug("Queue Id: %u\n", q->properties.queue_id);
56 pr_debug("Queue Process Vmid: %u\n", q->properties.vmid);
57 pr_debug("Queue Read Pointer: 0x%px\n", q->properties.read_ptr);
58 pr_debug("Queue Write Pointer: 0x%px\n", q->properties.write_ptr);
59 pr_debug("Queue Doorbell Pointer: 0x%p\n", q->properties.doorbell_ptr);
60 pr_debug("Queue Doorbell Offset: %u\n", q->properties.doorbell_off);
61 pr_debug("Queue MQD Address: 0x%p\n", q->mqd);
62 pr_debug("Queue MQD Gart: 0x%llX\n", q->gart_mqd_addr);
63 pr_debug("Queue Process Address: 0x%p\n", q->process);
64 pr_debug("Queue Device Address: 0x%p\n", q->device);
65 }
66
init_queue(struct queue ** q,const struct queue_properties * properties)67 int init_queue(struct queue **q, const struct queue_properties *properties)
68 {
69 struct queue *tmp_q;
70
71 tmp_q = kzalloc(sizeof(*tmp_q), GFP_KERNEL);
72 if (!tmp_q)
73 return -ENOMEM;
74
75 memcpy(&tmp_q->properties, properties, sizeof(*properties));
76
77 *q = tmp_q;
78 return 0;
79 }
80
uninit_queue(struct queue * q)81 void uninit_queue(struct queue *q)
82 {
83 kfree(q);
84 }
85