cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

kfd_queue.c (3129B)

      1// SPDX-License-Identifier: GPL-2.0 OR MIT
      2/*
      3 * Copyright 2014-2022 Advanced Micro Devices, Inc.
      4 *
      5 * Permission is hereby granted, free of charge, to any person obtaining a
      6 * copy of this software and associated documentation files (the "Software"),
      7 * to deal in the Software without restriction, including without limitation
      8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9 * and/or sell copies of the Software, and to permit persons to whom the
     10 * Software is furnished to do so, subject to the following conditions:
     11 *
     12 * The above copyright notice and this permission notice shall be included in
     13 * all copies or substantial portions of the Software.
     14 *
     15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     21 * OTHER DEALINGS IN THE SOFTWARE.
     22 *
     23 */
     24
     25#include <linux/slab.h>
     26#include "kfd_priv.h"
     27
     28void print_queue_properties(struct queue_properties *q)
     29{
     30	if (!q)
     31		return;
     32
     33	pr_debug("Printing queue properties:\n");
     34	pr_debug("Queue Type: %u\n", q->type);
     35	pr_debug("Queue Size: %llu\n", q->queue_size);
     36	pr_debug("Queue percent: %u\n", q->queue_percent);
     37	pr_debug("Queue Address: 0x%llX\n", q->queue_address);
     38	pr_debug("Queue Id: %u\n", q->queue_id);
     39	pr_debug("Queue Process Vmid: %u\n", q->vmid);
     40	pr_debug("Queue Read Pointer: 0x%px\n", q->read_ptr);
     41	pr_debug("Queue Write Pointer: 0x%px\n", q->write_ptr);
     42	pr_debug("Queue Doorbell Pointer: 0x%p\n", q->doorbell_ptr);
     43	pr_debug("Queue Doorbell Offset: %u\n", q->doorbell_off);
     44}
     45
     46void print_queue(struct queue *q)
     47{
     48	if (!q)
     49		return;
     50	pr_debug("Printing queue:\n");
     51	pr_debug("Queue Type: %u\n", q->properties.type);
     52	pr_debug("Queue Size: %llu\n", q->properties.queue_size);
     53	pr_debug("Queue percent: %u\n", q->properties.queue_percent);
     54	pr_debug("Queue Address: 0x%llX\n", q->properties.queue_address);
     55	pr_debug("Queue Id: %u\n", q->properties.queue_id);
     56	pr_debug("Queue Process Vmid: %u\n", q->properties.vmid);
     57	pr_debug("Queue Read Pointer: 0x%px\n", q->properties.read_ptr);
     58	pr_debug("Queue Write Pointer: 0x%px\n", q->properties.write_ptr);
     59	pr_debug("Queue Doorbell Pointer: 0x%p\n", q->properties.doorbell_ptr);
     60	pr_debug("Queue Doorbell Offset: %u\n", q->properties.doorbell_off);
     61	pr_debug("Queue MQD Address: 0x%p\n", q->mqd);
     62	pr_debug("Queue MQD Gart: 0x%llX\n", q->gart_mqd_addr);
     63	pr_debug("Queue Process Address: 0x%p\n", q->process);
     64	pr_debug("Queue Device Address: 0x%p\n", q->device);
     65}
     66
     67int init_queue(struct queue **q, const struct queue_properties *properties)
     68{
     69	struct queue *tmp_q;
     70
     71	tmp_q = kzalloc(sizeof(*tmp_q), GFP_KERNEL);
     72	if (!tmp_q)
     73		return -ENOMEM;
     74
     75	memcpy(&tmp_q->properties, properties, sizeof(*properties));
     76
     77	*q = tmp_q;
     78	return 0;
     79}
     80
     81void uninit_queue(struct queue *q)
     82{
     83	kfree(q);
     84}