1 /* $NetBSD: kfd_queue.c,v 1.3 2021/12/18 23:44:59 riastradh Exp $ */
2
3 /*
4 * Copyright 2014 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: kfd_queue.c,v 1.3 2021/12/18 23:44:59 riastradh Exp $");
28
29 #include <linux/slab.h>
30 #include "kfd_priv.h"
31
print_queue_properties(struct queue_properties * q)32 void print_queue_properties(struct queue_properties *q)
33 {
34 if (!q)
35 return;
36
37 pr_debug("Printing queue properties:\n");
38 pr_debug("Queue Type: %u\n", q->type);
39 pr_debug("Queue Size: %llu\n", q->queue_size);
40 pr_debug("Queue percent: %u\n", q->queue_percent);
41 pr_debug("Queue Address: 0x%llX\n", q->queue_address);
42 pr_debug("Queue Id: %u\n", q->queue_id);
43 pr_debug("Queue Process Vmid: %u\n", q->vmid);
44 pr_debug("Queue Read Pointer: 0x%px\n", q->read_ptr);
45 pr_debug("Queue Write Pointer: 0x%px\n", q->write_ptr);
46 pr_debug("Queue Doorbell Pointer: 0x%p\n", q->doorbell_ptr);
47 pr_debug("Queue Doorbell Offset: %u\n", q->doorbell_off);
48 }
49
print_queue(struct queue * q)50 void print_queue(struct queue *q)
51 {
52 if (!q)
53 return;
54 pr_debug("Printing queue:\n");
55 pr_debug("Queue Type: %u\n", q->properties.type);
56 pr_debug("Queue Size: %llu\n", q->properties.queue_size);
57 pr_debug("Queue percent: %u\n", q->properties.queue_percent);
58 pr_debug("Queue Address: 0x%llX\n", q->properties.queue_address);
59 pr_debug("Queue Id: %u\n", q->properties.queue_id);
60 pr_debug("Queue Process Vmid: %u\n", q->properties.vmid);
61 pr_debug("Queue Read Pointer: 0x%px\n", q->properties.read_ptr);
62 pr_debug("Queue Write Pointer: 0x%px\n", q->properties.write_ptr);
63 pr_debug("Queue Doorbell Pointer: 0x%p\n", q->properties.doorbell_ptr);
64 pr_debug("Queue Doorbell Offset: %u\n", q->properties.doorbell_off);
65 pr_debug("Queue MQD Address: 0x%p\n", q->mqd);
66 pr_debug("Queue MQD Gart: 0x%llX\n", q->gart_mqd_addr);
67 pr_debug("Queue Process Address: 0x%p\n", q->process);
68 pr_debug("Queue Device Address: 0x%p\n", q->device);
69 }
70
init_queue(struct queue ** q,const struct queue_properties * properties)71 int init_queue(struct queue **q, const struct queue_properties *properties)
72 {
73 struct queue *tmp_q;
74
75 tmp_q = kzalloc(sizeof(*tmp_q), GFP_KERNEL);
76 if (!tmp_q)
77 return -ENOMEM;
78
79 memcpy(&tmp_q->properties, properties, sizeof(*properties));
80
81 *q = tmp_q;
82 return 0;
83 }
84
uninit_queue(struct queue * q)85 void uninit_queue(struct queue *q)
86 {
87 kfree(q);
88 }
89