linux/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
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   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
  27void 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
  45void 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
  66int 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
  80void uninit_queue(struct queue *q)
  81{
  82        kfree(q);
  83}
  84