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- /*
- * 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 */
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