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