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
40struct oce_mbx;
41struct oce_softc;
42struct mbx_hdr;
43
44enum oce_interrupt_mode {
45	OCE_INTERRUPT_MODE_MSIX = 0,
46	OCE_INTERRUPT_MODE_INTX = 1,
47	OCE_INTERRUPT_MODE_MSI = 2,
48};
49
50#define MAX_ROCE_MSIX_VECTORS   16
51#define MIN_ROCE_MSIX_VECTORS   1
52#define ROCE_MSIX_VECTORS       2
53
54struct oce_dev_info {
55	device_t dev;
56	if_t ifp;
57	struct oce_softc *softc;
58
59	bus_space_handle_t db_bhandle;
60	bus_space_tag_t db_btag;
61	uint64_t unmapped_db;
62	uint32_t unmapped_db_len;
63	uint32_t db_page_size;
64	uint64_t dpp_unmapped_addr;
65	uint32_t dpp_unmapped_len;
66	uint8_t mac_addr[6];
67	uint32_t dev_family;
68	uint16_t vendor_id;
69	uint16_t dev_id;
70	enum oce_interrupt_mode intr_mode;
71	struct {
72		int num_vectors;
73		int start_vector;
74		uint32_t vector_list[MAX_ROCE_MSIX_VECTORS];
75	} msix;
76	uint32_t flags;
77#define OCE_RDMA_INFO_RDMA_SUPPORTED     0x00000001
78};
79
80#define OCE_GEN2_FAMILY     2
81
82#ifdef notdef
83struct oce_mbx_ctx {
84	struct oce_mbx *mbx;
85	void (*cb) (void *ctx);
86	void *cb_ctx;
87};
88#endif
89
90struct oce_mbx_ctx;
91
92typedef struct oce_rdma_info {
93	int size;
94	void (*close)(void);
95	int (*mbox_post)(struct oce_softc *sc,
96			 struct oce_mbx *mbx,
97			 struct oce_mbx_ctx *mbxctx);
98	void (*common_req_hdr_init)(struct mbx_hdr *hdr,
99				    uint8_t dom,
100				    uint8_t port,
101				    uint8_t subsys,
102				    uint8_t opcode,
103				    uint32_t timeout,
104				    uint32_t pyld_len,
105				    uint8_t version);
106	void (*get_mac_addr)(struct oce_softc *sc,
107			     uint8_t *macaddr);
108} OCE_RDMA_INFO, *POCE_RDMA_INFO;
109
110#define OCE_RDMA_INFO_SIZE (sizeof(OCE_RDMA_INFO))
111
112typedef struct oce_rdma_if {
113	int size;
114	int (*announce)(struct oce_dev_info *devinfo);
115} OCE_RDMA_IF, *POCE_RDMA_IF;
116
117#define OCE_RDMA_IF_SIZE (sizeof(OCE_RDMA_IF))
118
119int oce_register_rdma(POCE_RDMA_INFO rdma_info, POCE_RDMA_IF rdma_if);
120