diff options
Diffstat (limited to 'drivers/net/xenvirt/rte_xen_lib.h')
-rw-r--r-- | drivers/net/xenvirt/rte_xen_lib.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/net/xenvirt/rte_xen_lib.h b/drivers/net/xenvirt/rte_xen_lib.h new file mode 100644 index 00000000..d973eacb --- /dev/null +++ b/drivers/net/xenvirt/rte_xen_lib.h @@ -0,0 +1,116 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2015 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 _RTE_XEN_DUMMY_PMD_H +#define _RTE_XEN_DUMMY_PMD_H + +#include <stdint.h> + +#include <rte_common.h> +#include <rte_mempool.h> +#include <rte_ether.h> + +#define PAGEMAP_FNAME "/proc/self/pagemap" +#define XEN_GNTALLOC_FNAME "/dev/xen/gntalloc" +#define DPDK_XENSTORE_PATH "/control/dpdk/" +#define DPDK_XENSTORE_NODE "/control/dpdk" +/*format 0_mempool_gref = "1537,1524,1533" */ +#define MEMPOOL_XENSTORE_STR "_mempool_gref" +/*format 0_mempool_va = 0x80340000 */ +#define MEMPOOL_VA_XENSTORE_STR "_mempool_va" +/*format 0_rx_vring_gref = "1537,1524,1533" */ +#define RXVRING_XENSTORE_STR "_rx_vring_gref" +/*format 0_tx_vring_gref = "1537,1524,1533" */ +#define TXVRING_XENSTORE_STR "_tx_vring_gref" +#define VRING_FLAG_STR "_vring_flag" +/*format: event_type_start_0 = 1*/ +#define EVENT_TYPE_START_STR "event_type_start_" + +#define DOM0_DOMID 0 +/* + * the pfn (page frame number) are bits 0-54 (see pagemap.txt in linux + * Documentation). + */ +#define PAGEMAP_PFN_BITS 54 +#define PAGEMAP_PFN_MASK RTE_LEN2MASK(PAGEMAP_PFN_BITS, phys_addr_t) + +#define MAP_FLAG 0xA5 + +#define RTE_ETH_XENVIRT_PAIRS_DELIM ';' +#define RTE_ETH_XENVIRT_KEY_VALUE_DELIM '=' +#define RTE_ETH_XENVIRT_MAX_ARGS 1 +#define RTE_ETH_XENVIRT_MAC_PARAM "mac" +struct xenvirt_dict { + uint8_t addr_valid; + struct ether_addr addr; +}; + +extern int gntalloc_fd; + +int +gntalloc_open(void); + +void +gntalloc_close(void); + +void * +gntalloc(size_t sz, uint32_t *gref, uint64_t *start_index); + +void +gntfree(void *va, size_t sz, uint64_t start_index); + +int +xenstore_init(void); + +int +xenstore_uninit(void); + +int +xenstore_write(const char *key_str, const char *val_str); + +int +get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num, uint32_t pg_sz); + +void * +get_xen_virtual(size_t size, size_t page_sz); + +int +grefwatch_from_alloc(uint32_t *gref, void **pptr); + + +int grant_node_create(uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, char *val_str, size_t str_size); + +int +grant_gntalloc_mbuf_pool(struct rte_mempool *mpool, uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, int mempool_idx); + +#endif |