From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, amorenoz@redhat.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH] net/virtio: improve logs in Vhost-vDPA DMA mapping
Date: Wed, 18 Nov 2020 09:08:17 +0100 [thread overview]
Message-ID: <20201118080817.669343-1-maxime.coquelin@redhat.com> (raw)
This patch adds debug logs in vhost_vdpa_dma_map() and
vhost_vdpa_dma_unmap() to ease debugging.
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/net/virtio/virtio_user/vhost_vdpa.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/virtio/virtio_user/vhost_vdpa.c b/drivers/net/virtio/virtio_user/vhost_vdpa.c
index c7b9349fc8..528ff60f29 100644
--- a/drivers/net/virtio/virtio_user/vhost_vdpa.c
+++ b/drivers/net/virtio/virtio_user/vhost_vdpa.c
@@ -93,6 +93,9 @@ vhost_vdpa_dma_map(struct virtio_user_dev *dev, void *addr,
msg.iotlb.size = len;
msg.iotlb.perm = VHOST_ACCESS_RW;
+ PMD_DRV_LOG(DEBUG, "%s: iova: 0x%" PRIx64 ", addr: %p, len: 0x%" PRIx64,
+ __func__, iova, addr, len);
+
if (write(dev->vhostfd, &msg, sizeof(msg)) != sizeof(msg)) {
PMD_DRV_LOG(ERR, "Failed to send IOTLB update (%s)",
strerror(errno));
@@ -113,6 +116,9 @@ vhost_vdpa_dma_unmap(struct virtio_user_dev *dev, __rte_unused void *addr,
msg.iotlb.iova = iova;
msg.iotlb.size = len;
+ PMD_DRV_LOG(DEBUG, "%s: iova: 0x%" PRIx64 ", len: 0x%" PRIx64,
+ __func__, iova, len);
+
if (write(dev->vhostfd, &msg, sizeof(msg)) != sizeof(msg)) {
PMD_DRV_LOG(ERR, "Failed to send IOTLB invalidate (%s)",
strerror(errno));
--
2.26.2
next reply other threads:[~2020-11-18 8:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 8:08 Maxime Coquelin [this message]
2020-11-19 8:36 ` Xia, Chenbo
2021-01-05 15:31 ` Maxime Coquelin
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