Imported Upstream version 16.04

[deb_dpdk.git] / drivers / net / xenvirt / rte_xen_lib.h

diff --git a/drivers/net/xenvirt/rte_xen_lib.h b/drivers/net/xenvirt/rte_xen_lib.h
new file mode 100644 (file)
index 0000000..d973eac
--- /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