diff options
Diffstat (limited to 'examples/vhost_xen/xen_vhost.h')
| -rw-r--r-- | examples/vhost_xen/xen_vhost.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/examples/vhost_xen/xen_vhost.h b/examples/vhost_xen/xen_vhost.h deleted file mode 100644 index 2fc304c7..00000000 --- a/examples/vhost_xen/xen_vhost.h +++ /dev/null @@ -1,148 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT - * OWNER 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 _XEN_VHOST_H_ -#define _XEN_VHOST_H_ - -#include <stdint.h> - -#include <rte_ether.h> - -#include "virtio-net.h" - -#define RTE_LOGTYPE_XENHOST RTE_LOGTYPE_USER1 - -#define XEN_VM_ROOTNODE_FMT "/local/domain/%d/control/dpdk" -#define XEN_VM_NODE_FMT "/local/domain/%d/control/dpdk/%s" -#define XEN_MEMPOOL_SUFFIX "mempool_gref" -#define XEN_RXVRING_SUFFIX "rx_vring_gref" -#define XEN_TXVRING_SUFFIX "tx_vring_gref" -#define XEN_GVA_SUFFIX "mempool_va" -#define XEN_VRINGFLAG_SUFFIX "vring_flag" -#define XEN_ADDR_SUFFIX "ether_addr" -#define VIRTIO_START "event_type_start_" - -#define XEN_GREF_SPLITTOKEN ',' - -#define MAX_XENVIRT_MEMPOOL 16 -#define MAX_VIRTIO 32 -#define MAX_GREF_PER_NODE 64 /* 128 MB memory */ - -#define PAGE_SIZE 4096 -#define PAGE_PFNNUM (PAGE_SIZE / sizeof(uint32_t)) - -#define XEN_GNTDEV_FNAME "/dev/xen/gntdev" - -/* xen grant reference info in one grant node */ -struct xen_gnt { - uint32_t gref; /* grant reference for this node */ - union { - int gref; /* grant reference */ - uint32_t pfn_num; /* guest pfn number of grant reference */ - } gref_pfn[PAGE_PFNNUM]; -}__attribute__((__packed__)); - - -/* structure for mempool or vring node list */ -struct xen_gntnode { - uint32_t gnt_num; /* grant reference number */ - struct xen_gnt *gnt_info; /* grant reference info */ -}; - - -struct xen_vring { - uint32_t dom_id; - uint32_t virtio_idx; /* index of virtio device */ - void *rxvring_addr; /* mapped virtual address of rxvring */ - void *txvring_addr; /* mapped virtual address of txvring */ - uint32_t rxpfn_num; /* number of gpfn for rxvring */ - uint32_t txpfn_num; /* number of gpfn for txvring */ - uint32_t *rxpfn_tbl; /* array of rxvring gpfn */ - uint32_t *txpfn_tbl; /* array of txvring gpfn */ - uint64_t *rx_pindex; /* index used to release rx grefs */ - uint64_t *tx_pindex; /* index used to release tx grefs */ - uint64_t flag_index; - uint8_t *flag; /* cleared to zero on guest unmap */ - struct ether_addr addr; /* ethernet address of virtio device */ - uint8_t removed; - -}; - -struct xen_mempool { - uint32_t dom_id; /* guest domain id */ - uint32_t pool_idx; /* index of memory pool */ - void *gva; /* guest virtual address of mbuf pool */ - void *hva; /* host virtual address of mbuf pool */ - uint32_t mempfn_num; /* number of gpfn for mbuf pool */ - uint32_t *mempfn_tbl; /* array of mbuf pool gpfn */ - uint64_t *pindex; /* index used to release grefs */ -}; - -struct xen_guest { - TAILQ_ENTRY(xen_guest) next; - int32_t dom_id; /* guest domain id */ - uint32_t pool_num; /* number of mbuf pool of the guest */ - uint32_t vring_num; /* number of virtio ports of the guest */ - /* array contain the guest mbuf pool info */ - struct xen_mempool mempool[MAX_XENVIRT_MEMPOOL]; - /* array contain the guest rx/tx vring info */ - struct xen_vring vring[MAX_VIRTIO]; -}; - -TAILQ_HEAD(xen_guestlist, xen_guest); - -int -parse_mempoolnode(struct xen_guest *guest); - -int -xenhost_init(void); - -int -parse_vringnode(struct xen_guest *guest, uint32_t virtio_idx); - -int -parse_mempoolnode(struct xen_guest *guest); - -void -cleanup_mempool(struct xen_mempool *mempool); - -void -cleanup_vring(struct xen_vring *vring); - -void -virtio_monitor_loop(void); - -int -init_virtio_xen(struct virtio_net_device_ops const * const); - -#endif |