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