wyr8899 commented on code in PR #11712:
URL: https://github.com/apache/nuttx/pull/11712#discussion_r1493928595
##########
drivers/rptun/rptun.c:
##########
@@ -409,6 +424,104 @@ static int rptun_notify_wait(FAR struct remoteproc
*rproc, uint32_t id)
return 0;
}
+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)
+ {
+ FAR struct rpmsg_hdr *hdr = addr;
+ FAR struct rpmsg_endpoint *ept;
+
+ ept = rpmsg_get_ept_from_addr(&rvdev->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(FAR struct rpmsg_virtio_device *rvdev)
+{
+ FAR struct rpmsg_device *rdev = &rvdev->rdev;
+ FAR struct rpmsg_endpoint *ept;
+ FAR struct metal_list *node;
+ bool needlock = true;
+
+ if (!rvdev->vdev)
+ {
+ return;
+ }
+
+ if (up_interrupt_context() || sched_idletask() ||
+ nxmutex_is_hold(&rdev->lock))
+ {
+ needlock = false;
+ }
+
+ if (needlock)
+ {
+ 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));
Review Comment:
Ok, done.
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