On 7/3/24 12:03, Srujana Challa wrote:
This patch modifies the code to convert descriptor buffer IOVA
addresses to virtual addresses during the processing of shadow
control queue when IOVA mode is PA. This change enables Virtio-user
to operate with IOVA as the descriptor buffer address.
Signed-off-by: Srujana Challa <scha...@marvell.com>
---
.../net/virtio/virtio_user/virtio_user_dev.c | 33 ++++++++++++-------
1 file changed, 21 insertions(+), 12 deletions(-)
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c
b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index 1365c8a5c8..7f35f4b06b 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -896,6 +896,15 @@ virtio_user_handle_mq(struct virtio_user_dev *dev,
uint16_t q_pairs)
#define CVQ_MAX_DATA_DESCS 32
+static inline void *
+virtio_user_iova2virt(rte_iova_t iova)
+{
+ if (rte_eal_iova_mode() == RTE_IOVA_PA)
+ return rte_mem_iova2virt(iova);
+ else
+ return (void *)(uintptr_t)iova;
+}
+
Thanks for the last minute change.
With Jerin suggestion:
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
Maxime
