linux_dsm_epyc7002/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
Ben Goz ed8aab4594 amdkfd: Add queue module
The queue module enables allocating and initializing queues uniformly.

v3: Removed typedef and redundant memset call. Broke long pr_debug print to one
liners and Added documentation.

v5: Move amdkfd from drm/radeon/ to drm/amd/

Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
2014-07-17 00:18:51 +03:00

86 lines
3.0 KiB
C

/*
* Copyright 2014 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <linux/slab.h>
#include "kfd_priv.h"
void print_queue_properties(struct queue_properties *q)
{
if (!q)
return;
pr_debug("Printing queue properties:\n");
pr_debug("Queue Type: %u\n", q->type);
pr_debug("Queue Size: %llu\n", q->queue_size);
pr_debug("Queue percent: %u\n", q->queue_percent);
pr_debug("Queue Address: 0x%llX\n", q->queue_address);
pr_debug("Queue Id: %u\n", q->queue_id);
pr_debug("Queue Process Vmid: %u\n", q->vmid);
pr_debug("Queue Read Pointer: 0x%p\n", q->read_ptr);
pr_debug("Queue Write Pointer: 0x%p\n", q->write_ptr);
pr_debug("Queue Doorbell Pointer: 0x%p\n", q->doorbell_ptr);
pr_debug("Queue Doorbell Offset: %u\n", q->doorbell_off);
}
void print_queue(struct queue *q)
{
if (!q)
return;
pr_debug("Printing queue:\n");
pr_debug("Queue Type: %u\n", q->properties.type);
pr_debug("Queue Size: %llu\n", q->properties.queue_size);
pr_debug("Queue percent: %u\n", q->properties.queue_percent);
pr_debug("Queue Address: 0x%llX\n", q->properties.queue_address);
pr_debug("Queue Id: %u\n", q->properties.queue_id);
pr_debug("Queue Process Vmid: %u\n", q->properties.vmid);
pr_debug("Queue Read Pointer: 0x%p\n", q->properties.read_ptr);
pr_debug("Queue Write Pointer: 0x%p\n", q->properties.write_ptr);
pr_debug("Queue Doorbell Pointer: 0x%p\n", q->properties.doorbell_ptr);
pr_debug("Queue Doorbell Offset: %u\n", q->properties.doorbell_off);
pr_debug("Queue MQD Address: 0x%p\n", q->mqd);
pr_debug("Queue MQD Gart: 0x%llX\n", q->gart_mqd_addr);
pr_debug("Queue Process Address: 0x%p\n", q->process);
pr_debug("Queue Device Address: 0x%p\n", q->device);
}
int init_queue(struct queue **q, struct queue_properties properties)
{
struct queue *tmp;
BUG_ON(!q);
tmp = kzalloc(sizeof(struct queue), GFP_KERNEL);
if (!tmp)
return -ENOMEM;
memcpy(&tmp->properties, &properties, sizeof(struct queue_properties));
*q = tmp;
return 0;
}
void uninit_queue(struct queue *q)
{
kfree(q);
}