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Date: Fri, 9 Dec 2022 18:11:44 +0000
From: John Levon <levon@movementarian.org>
To: John Johnson <john.g.johnson@oracle.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH v1 20/24] vfio-user: dma read/write operations
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On Tue, Nov 08, 2022 at 03:13:42PM -0800, John Johnson wrote:

>  static void vfio_user_pci_process_req(void *opaque, VFIOUserMsg *msg)
>  {
> +    VFIOPCIDevice *vdev = opaque;
> +    VFIOUserHdr *hdr = msg->hdr;
> +
> +    /* no incoming PCI requests pass FDs */
> +    if (msg->fds != NULL) {
> +        vfio_user_send_error(vdev->vbasedev.proxy, hdr, EINVAL);
> +        vfio_user_putfds(msg);
> +        return;
> +    }
>  
> +    switch (hdr->command) {
> +    case VFIO_USER_DMA_READ:
> +        vfio_user_dma_read(vdev, (VFIOUserDMARW *)hdr);
> +        break;
> +    case VFIO_USER_DMA_WRITE:
> +        vfio_user_dma_write(vdev, (VFIOUserDMARW *)hdr);
> +        break;
> +    default:
> +        error_printf("vfio_user_process_req unknown cmd %d\n", hdr->command);

__func__ or vfio_user_pci_process_req ?

regards
john