drivers/gpu/drm/amd/amdkfd/kfd_queue.c

   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
  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
  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
  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
  80 void uninit_queue(struct queue *q)
  81 {
  82         kfree(q);
  83 }