> -----Original Message----- > From: Ding, Xuan <[email protected]> > Sent: Tuesday, October 25, 2022 4:26 PM > To: [email protected]; Xia, Chenbo <[email protected]> > Cc: [email protected]; Hu, Jiayu <[email protected]>; He, Xingguang > <[email protected]>; Ling, WeiX <[email protected]>; Jiang, Cheng1 > <[email protected]>; Wang, YuanX <[email protected]>; Ma, WenwuX > <[email protected]>; Ding, Xuan <[email protected]> > Subject: [PATCH v8 2/2] examples/vhost: unconfigure DMA vchannel > > From: Xuan Ding <[email protected]> > > This patch applies rte_vhost_async_dma_unconfigure() to manually free > DMA vChannels. Before unconfiguration, make sure the specified DMA > vChannel is no longer used by any vhost ports. > > Signed-off-by: Xuan Ding <[email protected]> > --- > examples/vhost/main.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/examples/vhost/main.c b/examples/vhost/main.c > index ac78704d79..42e53a0f9a 100644 > --- a/examples/vhost/main.c > +++ b/examples/vhost/main.c > @@ -2066,6 +2066,14 @@ main(int argc, char *argv[]) > RTE_LCORE_FOREACH_WORKER(lcore_id) > rte_eal_wait_lcore(lcore_id); > > + for (i = 0; i < dma_count; i++) { > + if (rte_vhost_async_dma_unconfigure(dmas_id[i], 0) < 0) { > + RTE_LOG(ERR, VHOST_PORT, > + "Failed to unconfigure DMA %d in vhost.\n", > dmas_id[i]); > + rte_exit(EXIT_FAILURE, "Cannot use given DMA device\n"); > + } > + } > + > /* clean up the EAL */ > rte_eal_cleanup(); > > -- > 2.17.1
Reviewed-by: Chenbo Xia <[email protected]>
