1/*-
2 * Copyright (C) 2013 Emulex
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 *    this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the Emulex Corporation nor the names of its
16 *    contributors may be used to endorse or promote products derived from
17 *    this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Contact Information:
32 * freebsd-drivers@emulex.com
33 *
34 * Emulex
35 * 3333 Susan Street
36 * Costa Mesa, CA 92626
37 */
38
39/* $FreeBSD$ */
40
41struct oce_mbx;
42struct oce_softc;
43struct mbx_hdr;
44
45enum oce_interrupt_mode {
46	OCE_INTERRUPT_MODE_MSIX = 0,
47	OCE_INTERRUPT_MODE_INTX = 1,
48	OCE_INTERRUPT_MODE_MSI = 2,
49};
50
51#define MAX_ROCE_MSIX_VECTORS   16
52#define MIN_ROCE_MSIX_VECTORS   1
53#define ROCE_MSIX_VECTORS       2
54
55struct oce_dev_info {
56	device_t dev;
57	struct ifnet *ifp;
58	struct oce_softc *softc;
59
60	bus_space_handle_t db_bhandle;
61	bus_space_tag_t db_btag;
62	uint64_t unmapped_db;
63	uint32_t unmapped_db_len;
64	uint32_t db_page_size;
65	uint64_t dpp_unmapped_addr;
66	uint32_t dpp_unmapped_len;
67	uint8_t mac_addr[6];
68	uint32_t dev_family;
69	uint16_t vendor_id;
70	uint16_t dev_id;
71	enum oce_interrupt_mode intr_mode;
72	struct {
73		int num_vectors;
74		int start_vector;
75		uint32_t vector_list[MAX_ROCE_MSIX_VECTORS];
76	} msix;
77	uint32_t flags;
78#define OCE_RDMA_INFO_RDMA_SUPPORTED     0x00000001
79};
80
81
82#define OCE_GEN2_FAMILY     2
83
84#ifdef notdef
85struct oce_mbx_ctx {
86	struct oce_mbx *mbx;
87	void (*cb) (void *ctx);
88	void *cb_ctx;
89};
90#endif
91
92struct oce_mbx_ctx;
93
94typedef struct oce_rdma_info {
95	int size;
96	void (*close)(void);
97	int (*mbox_post)(struct oce_softc *sc,
98			 struct oce_mbx *mbx,
99			 struct oce_mbx_ctx *mbxctx);
100	void (*common_req_hdr_init)(struct mbx_hdr *hdr,
101				    uint8_t dom,
102				    uint8_t port,
103				    uint8_t subsys,
104				    uint8_t opcode,
105				    uint32_t timeout,
106				    uint32_t pyld_len,
107				    uint8_t version);
108	void (*get_mac_addr)(struct oce_softc *sc,
109			     uint8_t *macaddr);
110} OCE_RDMA_INFO, *POCE_RDMA_INFO;
111
112#define OCE_RDMA_INFO_SIZE (sizeof(OCE_RDMA_INFO))
113
114typedef struct oce_rdma_if {
115	int size;
116	int (*announce)(struct oce_dev_info *devinfo);
117} OCE_RDMA_IF, *POCE_RDMA_IF;
118
119#define OCE_RDMA_IF_SIZE (sizeof(OCE_RDMA_IF))
120
121int oce_register_rdma(POCE_RDMA_INFO rdma_info, POCE_RDMA_IF rdma_if);
122