xref: /freebsd/sys/dev/oce/oce_user.h (revision aa339f1d5df9e38f36a34eb522355c4eebcae6c4)
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 
40 struct oce_mbx;
41 struct oce_softc;
42 struct mbx_hdr;
43 
44 enum 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 
54 struct 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
83 struct oce_mbx_ctx {
84 	struct oce_mbx *mbx;
85 	void (*cb) (void *ctx);
86 	void *cb_ctx;
87 };
88 #endif
89 
90 struct oce_mbx_ctx;
91 
92 typedef 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 
112 typedef 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 
119 int oce_register_rdma(POCE_RDMA_INFO rdma_info, POCE_RDMA_IF rdma_if);
120