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      1  1.1  riastrad /*	$NetBSD: kfd_queue.c,v 1.3 2021/12/18 23:44:59 riastradh Exp $	*/
      2  1.1  riastrad 
      3  1.1  riastrad /*
      4  1.1  riastrad  * Copyright 2014 Advanced Micro Devices, Inc.
      5  1.1  riastrad  *
      6  1.1  riastrad  * Permission is hereby granted, free of charge, to any person obtaining a
      7  1.1  riastrad  * copy of this software and associated documentation files (the "Software"),
      8  1.1  riastrad  * to deal in the Software without restriction, including without limitation
      9  1.1  riastrad  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  1.1  riastrad  * and/or sell copies of the Software, and to permit persons to whom the
     11  1.1  riastrad  * Software is furnished to do so, subject to the following conditions:
     12  1.1  riastrad  *
     13  1.1  riastrad  * The above copyright notice and this permission notice shall be included in
     14  1.1  riastrad  * all copies or substantial portions of the Software.
     15  1.1  riastrad  *
     16  1.1  riastrad  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  1.1  riastrad  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  1.1  riastrad  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  1.1  riastrad  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  1.1  riastrad  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  1.1  riastrad  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  1.1  riastrad  * OTHER DEALINGS IN THE SOFTWARE.
     23  1.1  riastrad  *
     24  1.1  riastrad  */
     25  1.1  riastrad 
     26  1.1  riastrad #include <sys/cdefs.h>
     27  1.1  riastrad __KERNEL_RCSID(0, "$NetBSD: kfd_queue.c,v 1.3 2021/12/18 23:44:59 riastradh Exp $");
     28  1.1  riastrad 
     29  1.1  riastrad #include <linux/slab.h>
     30  1.1  riastrad #include "kfd_priv.h"
     31  1.1  riastrad 
     32  1.1  riastrad void print_queue_properties(struct queue_properties *q)
     33  1.1  riastrad {
     34  1.1  riastrad 	if (!q)
     35  1.1  riastrad 		return;
     36  1.1  riastrad 
     37  1.1  riastrad 	pr_debug("Printing queue properties:\n");
     38  1.1  riastrad 	pr_debug("Queue Type: %u\n", q->type);
     39  1.1  riastrad 	pr_debug("Queue Size: %llu\n", q->queue_size);
     40  1.1  riastrad 	pr_debug("Queue percent: %u\n", q->queue_percent);
     41  1.1  riastrad 	pr_debug("Queue Address: 0x%llX\n", q->queue_address);
     42  1.1  riastrad 	pr_debug("Queue Id: %u\n", q->queue_id);
     43  1.1  riastrad 	pr_debug("Queue Process Vmid: %u\n", q->vmid);
     44  1.3  riastrad 	pr_debug("Queue Read Pointer: 0x%px\n", q->read_ptr);
     45  1.3  riastrad 	pr_debug("Queue Write Pointer: 0x%px\n", q->write_ptr);
     46  1.1  riastrad 	pr_debug("Queue Doorbell Pointer: 0x%p\n", q->doorbell_ptr);
     47  1.1  riastrad 	pr_debug("Queue Doorbell Offset: %u\n", q->doorbell_off);
     48  1.1  riastrad }
     49  1.1  riastrad 
     50  1.1  riastrad void print_queue(struct queue *q)
     51  1.1  riastrad {
     52  1.1  riastrad 	if (!q)
     53  1.1  riastrad 		return;
     54  1.1  riastrad 	pr_debug("Printing queue:\n");
     55  1.1  riastrad 	pr_debug("Queue Type: %u\n", q->properties.type);
     56  1.1  riastrad 	pr_debug("Queue Size: %llu\n", q->properties.queue_size);
     57  1.1  riastrad 	pr_debug("Queue percent: %u\n", q->properties.queue_percent);
     58  1.1  riastrad 	pr_debug("Queue Address: 0x%llX\n", q->properties.queue_address);
     59  1.1  riastrad 	pr_debug("Queue Id: %u\n", q->properties.queue_id);
     60  1.1  riastrad 	pr_debug("Queue Process Vmid: %u\n", q->properties.vmid);
     61  1.3  riastrad 	pr_debug("Queue Read Pointer: 0x%px\n", q->properties.read_ptr);
     62  1.3  riastrad 	pr_debug("Queue Write Pointer: 0x%px\n", q->properties.write_ptr);
     63  1.1  riastrad 	pr_debug("Queue Doorbell Pointer: 0x%p\n", q->properties.doorbell_ptr);
     64  1.1  riastrad 	pr_debug("Queue Doorbell Offset: %u\n", q->properties.doorbell_off);
     65  1.1  riastrad 	pr_debug("Queue MQD Address: 0x%p\n", q->mqd);
     66  1.1  riastrad 	pr_debug("Queue MQD Gart: 0x%llX\n", q->gart_mqd_addr);
     67  1.1  riastrad 	pr_debug("Queue Process Address: 0x%p\n", q->process);
     68  1.1  riastrad 	pr_debug("Queue Device Address: 0x%p\n", q->device);
     69  1.1  riastrad }
     70  1.1  riastrad 
     71  1.3  riastrad int init_queue(struct queue **q, const struct queue_properties *properties)
     72  1.1  riastrad {
     73  1.3  riastrad 	struct queue *tmp_q;
     74  1.1  riastrad 
     75  1.3  riastrad 	tmp_q = kzalloc(sizeof(*tmp_q), GFP_KERNEL);
     76  1.3  riastrad 	if (!tmp_q)
     77  1.1  riastrad 		return -ENOMEM;
     78  1.1  riastrad 
     79  1.3  riastrad 	memcpy(&tmp_q->properties, properties, sizeof(*properties));
     80  1.1  riastrad 
     81  1.3  riastrad 	*q = tmp_q;
     82  1.1  riastrad 	return 0;
     83  1.1  riastrad }
     84  1.1  riastrad 
     85  1.1  riastrad void uninit_queue(struct queue *q)
     86  1.1  riastrad {
     87  1.1  riastrad 	kfree(q);
     88  1.1  riastrad }
     89