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1 | /*- |
2 | * BSD LICENSE | |
3 | * | |
4 | * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * * Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * * Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * * Neither the name of Intel Corporation nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef _RTE_XEN_DUMMY_PMD_H | |
35 | #define _RTE_XEN_DUMMY_PMD_H | |
36 | ||
37 | #include <stdint.h> | |
38 | ||
39 | #include <rte_common.h> | |
40 | #include <rte_mempool.h> | |
41 | #include <rte_ether.h> | |
42 | ||
43 | #define PAGEMAP_FNAME "/proc/self/pagemap" | |
44 | #define XEN_GNTALLOC_FNAME "/dev/xen/gntalloc" | |
45 | #define DPDK_XENSTORE_PATH "/control/dpdk/" | |
46 | #define DPDK_XENSTORE_NODE "/control/dpdk" | |
47 | /*format 0_mempool_gref = "1537,1524,1533" */ | |
48 | #define MEMPOOL_XENSTORE_STR "_mempool_gref" | |
49 | /*format 0_mempool_va = 0x80340000 */ | |
50 | #define MEMPOOL_VA_XENSTORE_STR "_mempool_va" | |
51 | /*format 0_rx_vring_gref = "1537,1524,1533" */ | |
52 | #define RXVRING_XENSTORE_STR "_rx_vring_gref" | |
53 | /*format 0_tx_vring_gref = "1537,1524,1533" */ | |
54 | #define TXVRING_XENSTORE_STR "_tx_vring_gref" | |
55 | #define VRING_FLAG_STR "_vring_flag" | |
56 | /*format: event_type_start_0 = 1*/ | |
57 | #define EVENT_TYPE_START_STR "event_type_start_" | |
58 | ||
59 | #define DOM0_DOMID 0 | |
60 | /* | |
61 | * the pfn (page frame number) are bits 0-54 (see pagemap.txt in linux | |
62 | * Documentation). | |
63 | */ | |
64 | #define PAGEMAP_PFN_BITS 54 | |
65 | #define PAGEMAP_PFN_MASK RTE_LEN2MASK(PAGEMAP_PFN_BITS, phys_addr_t) | |
66 | ||
67 | #define MAP_FLAG 0xA5 | |
68 | ||
69 | #define RTE_ETH_XENVIRT_PAIRS_DELIM ';' | |
70 | #define RTE_ETH_XENVIRT_KEY_VALUE_DELIM '=' | |
71 | #define RTE_ETH_XENVIRT_MAX_ARGS 1 | |
72 | #define RTE_ETH_XENVIRT_MAC_PARAM "mac" | |
73 | struct xenvirt_dict { | |
74 | uint8_t addr_valid; | |
75 | struct ether_addr addr; | |
76 | }; | |
77 | ||
78 | extern int gntalloc_fd; | |
79 | ||
80 | int | |
81 | gntalloc_open(void); | |
82 | ||
83 | void | |
84 | gntalloc_close(void); | |
85 | ||
86 | void * | |
87 | gntalloc(size_t sz, uint32_t *gref, uint64_t *start_index); | |
88 | ||
89 | void | |
90 | gntfree(void *va, size_t sz, uint64_t start_index); | |
91 | ||
92 | int | |
93 | xenstore_init(void); | |
94 | ||
95 | int | |
96 | xenstore_uninit(void); | |
97 | ||
98 | int | |
99 | xenstore_write(const char *key_str, const char *val_str); | |
100 | ||
101 | int | |
102 | get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num, uint32_t pg_sz); | |
103 | ||
104 | void * | |
105 | get_xen_virtual(size_t size, size_t page_sz); | |
106 | ||
107 | int | |
108 | grefwatch_from_alloc(uint32_t *gref, void **pptr); | |
109 | ||
110 | ||
111 | int grant_node_create(uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, char *val_str, size_t str_size); | |
112 | ||
113 | int | |
114 | grant_gntalloc_mbuf_pool(struct rte_mempool *mpool, uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, int mempool_idx); | |
115 | ||
116 | #endif |