search for: dma_virtqueue_add_inbuf

From: "Edgar E. Iglesias" <edgar.iglesias at xilinx.com> I'm trying to run rpmsg and remoteproc on the ZynqMP (arm64) but I'm hitting a DMA/mm error. The issue was discussed here: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/333050.html Russel King pointed out that the arm64 is not doing anything wrong by returning vmapped memory (which is incompatible

From: "Edgar E. Iglesias" <edgar.iglesias at xilinx.com> I'm trying to run rpmsg and remoteproc on the ZynqMP (arm64) but I'm hitting a DMA/mm error. The issue was discussed here: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/333050.html Russel King pointed out that the arm64 is not doing anything wrong by returning vmapped memory (which is incompatible

...ze of the buffer */ > - sg_init_one(&sg, msg, RPMSG_BUF_SIZE); > + rpmsg_msg_sg_init(vrp, &sg, msg, RPMSG_BUF_SIZE); > > /* add the buffer back to the remote processor's virtqueue */ > - err = virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL); > + err = dma_virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL); > if (err < 0) { > dev_err(dev, "failed to add a virtqueue buffer: %d\n", err); > return err; > @@ -1007,9 +1023,9 @@ static int rpmsg_probe(struct virtio_device *vdev) > struct scatterlist sg; > void *cpu_addr...

...ze of the buffer */ > - sg_init_one(&sg, msg, RPMSG_BUF_SIZE); > + rpmsg_msg_sg_init(vrp, &sg, msg, RPMSG_BUF_SIZE); > > /* add the buffer back to the remote processor's virtqueue */ > - err = virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL); > + err = dma_virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL); > if (err < 0) { > dev_err(dev, "failed to add a virtqueue buffer: %d\n", err); > return err; > @@ -1007,9 +1023,9 @@ static int rpmsg_probe(struct virtio_device *vdev) > struct scatterlist sg; > void *cpu_addr...

...;); /* publish the real size of the buffer */ - sg_init_one(&sg, msg, RPMSG_BUF_SIZE); + rpmsg_msg_sg_init(vrp, &sg, msg, RPMSG_BUF_SIZE); /* add the buffer back to the remote processor's virtqueue */ - err = virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL); + err = dma_virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL); if (err < 0) { dev_err(dev, "failed to add a virtqueue buffer: %d\n", err); return err; @@ -1007,9 +1023,9 @@ static int rpmsg_probe(struct virtio_device *vdev) struct scatterlist sg; void *cpu_addr = vrp->rbufs + i * RPMSG_BU...

...- sg_init_one(&sg, msg, RPMSG_BUF_SIZE); > > + rpmsg_msg_sg_init(vrp, &sg, msg, RPMSG_BUF_SIZE); > > > > /* add the buffer back to the remote processor's virtqueue */ > > - err = virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL); > > + err = dma_virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL); > > if (err < 0) { > > dev_err(dev, "failed to add a virtqueue buffer: %d\n", err); > > return err; > > @@ -1007,9 +1023,9 @@ static int rpmsg_probe(struct virtio_device *vdev) > > struct scatterlist sg...