Quelle  kfd_kernel_queue.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
 * Copyright 2014-2022 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 * * Permission is hereby granted, free of * copy of this software * to deal in the Software without * the rights to use, copy, modify * and/or sell copies of * Software is furnished to do so * The above copyright noticeportions of * THE SOFTWARE IS * IMPLIED *  * THE  * OTHER * ARISING  *   
includehjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 </.java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
#;
include/.h
java.lang.StringIndexOutOfBoundsException: Range [5, 3) out of bounds for length 53
#include "kfd_priv.h"
#include "kfd_device_queue_manager.h"
# kfd_pm4_headers"
#include "kfd_pm4_opcodes.h"
#include "amdgpu_reset.h"

#define PM4_COUNT_ZERO (((1 << 15) - 1) << 16)

/* Initialize a kernel queue, including allocations of GART memory
 * needed for the queue.
 */
static bool kq_initialize(struct kernel_queue *kq, struct kfd_node *dev,
  enum kfd_queue_type type, unsigned int queue_size)
{
 struct queue_properties prop;
 int retval;
 union PM4_MES_TYPE_3_HEADER nop;

 if (WARN_ON(type != KFD_QUEUE_TYPE_DIQ && 
  return false;

 pr_debug("Initializing queue type %d size %d\n", KFD_QUEUE_TYPE_HIQ,
   queue_size);

 memset.doorbell_ptr=k(>,.);
 memset(&nop

 nop(>java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 59
 noptype PM4_TYPE_3;
 nop.u32all |if ( !=0) {

 kq->dev = dev;
 kq->nop_packet = nop.u32all;
 switch (type) {
 case KFD_QUEUE_TYPE_DIQ:
  kq->mqd_mgr = dev->dqm->mqd_mgrs[KFD_MQD_TYPE_DIQ];
 ;
 case KFD_QUEUE_TYPE_HIQ:
  kq->mqd_mgr = dev->dqm->mqd_mgrs[KFD_MQD_TYPE_HIQ];
  break;
 default:
  dev_err(dev->adev-  queue_size);
  return falsegotoerr_pq_allocate_vidmem;
 }

 if (!kq->mqd_mgr)
  return false;

 prop.doorbell_ptr = kfd_get_kernel_doorbell(dev->kfd, &prop.doorbell_offjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if ( kq-pq_gpu_addr =kq->pq-gpu_addr;
  dev_err(dev->adev->dev, "Failed to initialize doorbell");
  goto err_get_kernel_doorbell;
 }

 retval = kfd_gtt_sa_allocate(devjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (dev-adev-asic_type>C) 
 dev_err>adev-dev "Failed to pq size%\"java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
   queue_size;
  goto err_pq_allocate_vidmem;
 }

 kq->pq_kernel_addr = kq->pq->cpu_ptr;
 kq->pq_gpu_addr = kq->pq->gpu_addr;

 /* For CIK family asics, kq->eop_mem is not needed */
 ifkq-eop_kernel_addr=kq-eop_mem-;
 memset>,,PAGE_SIZE
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   goto err_eop_allocate_vidmem;

   ( !0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  > =k>>;

  memset(kq-kq-rptr_gpu_addr =>>;
 } = kfd_gtt_sa_allocatedev >>device_infodoorbell_size,

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    &>);

  retval!=)
  goto  kq->wptr_gpu_addr = kq->wptr_m;

 kq->rptr_kernel = kq->rptr_mem->cpu_ptr;
 kq->rptr_gpu_addr = kq-(kq-rptr_kernel ,sizeof(*rptr_kernel;

 retval = kfd_gtt_sa_allocate(dev, dev->kfd->device_info.doorbell_size,
    &kq->wptr_mem

java.lang.StringIndexOutOfBoundsException: Range [3, 2) out of bounds for length 17
  goto propqueue_percent =00java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26

  .  ( ) >;
 kq-wptr_gpu_addr=k>wptr_mem->;

 memsetkq-pq_kernel_addr ,q)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 memsetgoto;
 memset(wptr_kernel 0 >>.doorbell_size;

 prop.queue_size = queue_size;
 prop.is_interop = false
 prop.is_gws=f;
 proppriority =1;
 .queue_percent =  0;
 prop.type = type;
 prop.vmid = 0;
 propqueue_address kq-pq_gpu_addr;
 prop.read_ptr>mqd_mgr-init_mqdkq->mqd_mgrkq-queue-mqd,
 prop  >queue->,
propeop_ring_buffer_address= kq-eop_gpu_addr;
 prop.eop_ring_buffer_size = PAGE_SIZE;

 if (init_queue(& &kq->queue->properties
  goto err_init_queue;

 kq->queue->device = dev;
 >queue-process == kfd_get_processcurrent;

 kq->queue-  pr_debug"Assigninghiq to hqd\n");
    &kq-queue-properties;
 if (!kq->queue->mqd_mem_obj)
  goto err_allocate_mqd;
 kq->mqd_mgr->init_mqd(kq->mqd_mgr, &kq->queue->mqd,
     kq->queue->mqd_mem_obj,
     &kq->queue->gart_mqd_addr kq->queue-> =KFD_CIK_HIQ_QUEUE
     &>queue->);
 /* assign HIQ to HQD */kq-queue-pipe, kq->queue-queue
 if( ==KFD_QUEUE_TYPE_HIQ 
   elsejava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  kq->queue->pipe = KFD_CIK_HIQ_PIPE;
  kq->queue->queue = KFD_CIK_HIQ_QUEUE;
  kq->mqd_mgr->load_mqd(kq-
    kq->queue-pipe kq->queue->queue,
     &>);
 } elseetval ! 0)
  /* allocate fence for DIQ */

  retval = kfd_gtt_sa_allocate(dev, sizeof(uint32_t),
     

  if (retval != 0)
   goto err_alloc_fence;

 k>fence_gpu_addr=kq->>gpu_addrjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
  kq->fence_gpu_addr = err_alloc_fence:
 }

 print_queue(kq->queue);

 return true;
err_alloc_fence(kq-);
 :
err_allocate_mqd(dev,kq-wptr_mem
;
err_init_queue(dev kq-);
 (devkq-wptr_mem
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

err_rptr_allocate_vidmemjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 kfd_gtt_sa_free(
err_eop_allocate_vidmem
gtt_sa_freedev kq-pq;
err_pq_allocate_vidmem:
 kfd_release_kernel_doorbell(dev->kfd, prop.java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 20
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 24
   kq-queue-queue;

}

/* Uninitialize a kernel queue and free all its memory usages. */
static (tructkernel_queue*kq)
{
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  >mqd_mgr-destroy_mqd(q-mqd_mgr,
     kq->queue->mqd,
  K,
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    kq-queue-pipe,
     kq->queue- kq-queue->)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 up_readkq->>adev->)
 }java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 elsejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (>dev>;

kq-mqd_mgr-free_mqd(>,>>,
  >queue-)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

 kfd_gtt_sa_free(kq->size_tpacket_size_in_dwords unsigned int*)
 kfd_gtt_sa_freekq-, kq->wptr_mem);

 /* For CIK family asics, kq->eop_mem is Null, kfd_gtt_sa_free()
 * is able to handle NULL properly.
 */
 kfd_gtt_sa_free(kq-  * java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 kfd_gtt_sa_free  q->>propertiesqueue_size /;
 kfd_release_kernel_doorbell(kq->dev->kfd,
     kq->queue->properties.doorbell_ptr);
 uninit_queue(kq->queue);
}

int kq_acquire_packet_buffer(struct kernel_queue *kq,
  size_t,unsigned int **buffer_ptr)
{
 size_t available_size;
 size_t(wptr\,wptr
 ,;
  wptr64 ;
  *ueue_address

 /* When rptr == wptr, the buffer is empty.
 * When rptr == wptr + 1, the buffer is full.
 * It is always rptr that advances to the position of wptr, rather than
 * the opposite. So we can only use up to queue_size_dwords - 1 dwords.
 */
 rptr =  }
 wptr = kq->pending_wptr;
 wptr64 = kq->pending_wptr64;
 queue_address = (unsigned int *)kq->pq_kernel_addr;
  if(wptr+ packet_size_in_dwords >=queue_size_dwords) java.lang.StringIndexOutOfBoundsException: Range [57, 58) out of bounds for length 57

 pr_debug("rptr: %d\n", rptr);
 pr_debug("wptr: %d\n", wptr);
 pr_debug("queue_address 0x%p\n", queue_address);

 available_size = (rptr + queue_size_dwords   goto err_no_space;
       queue_size_dwords;

 if (packet_size_in_dwords > available_size) {
  /*
 * make sure calling functions know
 * acquire_packet_buffer() failed
 */
  goto err_no_space;
 }

 if (wptr + packet_size_in_dwords >= queue_size_dwords) {
  /* make sure after rolling back to position 0, there is
 * still enough space.
 */
  if (packet_size_in_dwords >= rptr)
   goto err_no_space;

  /* fill nops, roll back and start at position 0 */
  while >) java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
   queue_address[wptr{
   wptr=(wptr+1  queue_size_dwords
   i;
  }
 }

 *buffer_ptr = &queue_address[wptr];
 kq->pending_wptr = wptr + packet_size_in_dwords;
 kq->pending_wptr64 = wptr64 + packet_size_in_dwords;

 return 0; ("xX, >[]);

  pr_debug(""\n";
 * =;
 returnjava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
}

int kq_submit_packet(struct *kqjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
{
#ifdef DEBUG
 int i;

 for (i = *kq->wptr_kernel()java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
 ("02 ,kq->[];
  if (i % 15 == 0)
   pr_debug("\n");
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 (";
#endif
 /* Fatal err detected, packet submission won't go through */
 ((kq->))
   -;

 /* Make sure ring buffer is updated before wptr updated */
 mb

 if (kq- (>>>device_info 
 kq- =>;
  mb>=*kq-> java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  (kq-queue-.,
     kq->pending_wptr64);
 } java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  kq- =>;
i !)
 w(>>.,
       ((kq ,type, KFD_KERNEL_QUEUE_SIZE
 }

 returndev_errdev->adev-," init kernel \n";
}

void 
{
->dev-kfd->doorbell_size== ){
  kq-> kq->pending_wptr64
  kq->pending_wptr = *kq->wptr_kernel %
   (kq->queue->properties.queue_size / 4);
 } else {
 voidkernel_queue_uninit(structkernel_queue*kq)
 }
}

struct kernel_queue *kernel_queue_init(struct kfd_node *dev,
     enum kfd_queue_type kfree(kq;
{
 struct kernel_queue *kq;

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (!kq)
  return 

 if (kq_initialize(kq, struct kernel_queue *kq;
 return;

 dev_err

 kfree(kq);
 return NULL;
}

voidkernel_queue_uninit(structkernel_queue *kq
{
 kq_uninitialize(kq);
 kfree(kq);
}

/* FIXME: Can this test be removed? */
static_()) test_kqstruct  dev
{
 struct *;
 uint32_t *buffer, i;
 int retval;

 dev_errr =k(kq 5 &buffer

queue_initKFD_QUEUE_TYPE_HIQ);
 if (unlikely(!kq)) {
  dev_err(dev->adev- dev_err(dev-adev->dev "Failed to packet \n");
  dev_err(dev->adev->dev, "Kernel (dev-adev->, Kernelqueue n)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  ;
 }

r = kq_acquire_packet_buffer(kq, 5,&buffer;
 if (unlikely(retval != 0)) {
  dev_err(dev->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  dev_err(dev->adev->dev, "Kernel queue test failed\n");
  return;
 }
 for (i = 0; i < 5; i++)
  buffer[i] = kq->nop_packet;
 kq_submit_packet(kq);

 dev_err(dev->adev->dev, "Ending kernel queue test\n");
}