+++ /dev/null
-/*-
- * 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
Code Review / deb_dpdk.git / blobdiff