incubator-nuttx/drivers/rptun/rptun_dump.c

136 lines
4.2 KiB
C

/****************************************************************************
* drivers/rptun/rptun_dump.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/rptun/openamp.h>
#include <nuttx/rptun/rptun.h>
#include <metal/utilities.h>
#include <rpmsg/rpmsg_internal.h>
#include "rptun.h"
/****************************************************************************
* Private Functions
****************************************************************************/
static void rptun_dump_addr(FAR struct rpmsg_device *rdev,
FAR void *addr, bool rx)
{
FAR struct rpmsg_hdr *hdr = addr;
FAR struct rpmsg_endpoint *ept;
ept = rpmsg_get_ept_from_addr(rdev, rx ? hdr->dst : hdr->src);
if (ept)
{
metal_log(METAL_LOG_EMERGENCY,
" %s buffer %p hold by %s\n",
rx ? "RX" : "TX", hdr, ept->name);
}
}
static void rptun_dump_buffer(FAR struct rpmsg_virtio_device *rvdev,
bool rx)
{
FAR struct virtqueue *vq = rx ? rvdev->rvq : rvdev->svq;
FAR void *addr;
int desc_idx;
int num;
int i;
num = rptun_buffer_nused(rvdev, rx);
metal_log(METAL_LOG_EMERGENCY,
" %s buffer, total %d, pending %d\n",
rx ? "RX" : "TX", vq->vq_nentries, num);
for (i = 0; i < num; i++)
{
if ((rpmsg_virtio_get_role(rvdev) == RPMSG_HOST) ^ rx)
{
desc_idx = (vq->vq_ring.used->idx + i) & (vq->vq_nentries - 1);
desc_idx = vq->vq_ring.avail->ring[desc_idx];
}
else
{
desc_idx = (vq->vq_ring.avail->idx + i) & (vq->vq_nentries - 1);
desc_idx = vq->vq_ring.used->ring[desc_idx].id;
}
addr = metal_io_phys_to_virt(vq->shm_io,
vq->vq_ring.desc[desc_idx].addr);
if (addr)
{
rptun_dump_addr(&rvdev->rdev, addr, rx);
}
}
}
/****************************************************************************
* Public Functions
****************************************************************************/
void rptun_dump(FAR struct rpmsg_virtio_device *rvdev)
{
FAR struct rpmsg_device *rdev = &rvdev->rdev;
FAR struct rpmsg_endpoint *ept;
FAR struct metal_list *node;
if (!rvdev->vdev)
{
return;
}
if (!up_interrupt_context() && !sched_idletask())
{
metal_mutex_acquire(&rdev->lock);
}
metal_log(METAL_LOG_EMERGENCY,
"Dump rpmsg info between cpu (master: %s)%s <==> %s:\n",
rpmsg_virtio_get_role(rvdev) == RPMSG_HOST ? "yes" : "no",
CONFIG_RPTUN_LOCAL_CPUNAME, rpmsg_get_cpuname(rdev));
metal_log(METAL_LOG_EMERGENCY, "rpmsg vq RX:\n");
virtqueue_dump(rvdev->rvq);
metal_log(METAL_LOG_EMERGENCY, "rpmsg vq TX:\n");
virtqueue_dump(rvdev->svq);
metal_log(METAL_LOG_EMERGENCY, " rpmsg ept list:\n");
metal_list_for_each(&rdev->endpoints, node)
{
ept = metal_container_of(node, struct rpmsg_endpoint, node);
metal_log(METAL_LOG_EMERGENCY, " ept %s\n", ept->name);
}
metal_log(METAL_LOG_EMERGENCY, " rpmsg buffer list:\n");
rptun_dump_buffer(rvdev, true);
rptun_dump_buffer(rvdev, false);
if (!up_interrupt_context() && !sched_idletask())
{
metal_mutex_release(&rdev->lock);
}
}