/* * Copyright (C) 2013-2016 Luigi Rizzo * Copyright (C) 2013-2016 Giuseppe Lettieri * Copyright (C) 2013-2018 Vincenzo Maffione * Copyright (C) 2015 Stefano Garzarella * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef NETMAP_VIRT_H #define NETMAP_VIRT_H /* * Register offsets and other macros for the ptnetmap paravirtual devices: * ptnetmap-memdev: device used to expose memory into the guest * ptnet: paravirtualized NIC exposing a netmap port in the guest * * These macros are used in the hypervisor frontend (QEMU, bhyve) and in the * guest device driver. */ /* PCI identifiers and PCI BARs for ptnetmap-memdev and ptnet. */ #define PTNETMAP_MEMDEV_NAME "ptnetmap-memdev" #define PTNETMAP_PCI_VENDOR_ID 0x1b36 /* QEMU virtual devices */ #define PTNETMAP_PCI_DEVICE_ID 0x000c /* memory device */ #define PTNETMAP_PCI_NETIF_ID 0x000d /* ptnet network interface */ #define PTNETMAP_IO_PCI_BAR 0 #define PTNETMAP_MEM_PCI_BAR 1 #define PTNETMAP_MSIX_PCI_BAR 2 /* Device registers for ptnetmap-memdev */ #define PTNET_MDEV_IO_MEMSIZE_LO 0 /* netmap memory size (low) */ #define PTNET_MDEV_IO_MEMSIZE_HI 4 /* netmap_memory_size (high) */ #define PTNET_MDEV_IO_MEMID 8 /* memory allocator ID in the host */ #define PTNET_MDEV_IO_IF_POOL_OFS 64 #define PTNET_MDEV_IO_IF_POOL_OBJNUM 68 #define PTNET_MDEV_IO_IF_POOL_OBJSZ 72 #define PTNET_MDEV_IO_RING_POOL_OFS 76 #define PTNET_MDEV_IO_RING_POOL_OBJNUM 80 #define PTNET_MDEV_IO_RING_POOL_OBJSZ 84 #define PTNET_MDEV_IO_BUF_POOL_OFS 88 #define PTNET_MDEV_IO_BUF_POOL_OBJNUM 92 #define PTNET_MDEV_IO_BUF_POOL_OBJSZ 96 #define PTNET_MDEV_IO_END 100 /* ptnetmap features */ #define PTNETMAP_F_VNET_HDR 1 /* Device registers for the ptnet network device. */ #define PTNET_IO_PTFEAT 0 #define PTNET_IO_PTCTL 4 #define PTNET_IO_MAC_LO 8 #define PTNET_IO_MAC_HI 12 #define PTNET_IO_CSBBAH 16 /* deprecated */ #define PTNET_IO_CSBBAL 20 /* deprecated */ #define PTNET_IO_NIFP_OFS 24 #define PTNET_IO_NUM_TX_RINGS 28 #define PTNET_IO_NUM_RX_RINGS 32 #define PTNET_IO_NUM_TX_SLOTS 36 #define PTNET_IO_NUM_RX_SLOTS 40 #define PTNET_IO_VNET_HDR_LEN 44 #define PTNET_IO_HOSTMEMID 48 #define PTNET_IO_CSB_GH_BAH 52 #define PTNET_IO_CSB_GH_BAL 56 #define PTNET_IO_CSB_HG_BAH 60 #define PTNET_IO_CSB_HG_BAL 64 #define PTNET_IO_END 68 #define PTNET_IO_KICK_BASE 128 #define PTNET_IO_MASK 0xff /* ptnet control commands (values for PTCTL register): * - CREATE starts the host sync-kloop * - DELETE stops the host sync-kloop */ #define PTNETMAP_PTCTL_CREATE 1 #define PTNETMAP_PTCTL_DELETE 2 #endif /* NETMAP_VIRT_H */
