xref: /freebsd/sys/dev/oce/oce_user.h (revision 643ac419fafba89f5adda0e0ea75b538727453fb)
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 
41 struct oce_mbx;
42 struct oce_softc;
43 struct mbx_hdr;
44 
45 enum 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 
55 struct 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 #define OCE_GEN2_FAMILY     2
82 
83 #ifdef notdef
84 struct oce_mbx_ctx {
85 	struct oce_mbx *mbx;
86 	void (*cb) (void *ctx);
87 	void *cb_ctx;
88 };
89 #endif
90 
91 struct oce_mbx_ctx;
92 
93 typedef struct oce_rdma_info {
94 	int size;
95 	void (*close)(void);
96 	int (*mbox_post)(struct oce_softc *sc,
97 			 struct oce_mbx *mbx,
98 			 struct oce_mbx_ctx *mbxctx);
99 	void (*common_req_hdr_init)(struct mbx_hdr *hdr,
100 				    uint8_t dom,
101 				    uint8_t port,
102 				    uint8_t subsys,
103 				    uint8_t opcode,
104 				    uint32_t timeout,
105 				    uint32_t pyld_len,
106 				    uint8_t version);
107 	void (*get_mac_addr)(struct oce_softc *sc,
108 			     uint8_t *macaddr);
109 } OCE_RDMA_INFO, *POCE_RDMA_INFO;
110 
111 #define OCE_RDMA_INFO_SIZE (sizeof(OCE_RDMA_INFO))
112 
113 typedef struct oce_rdma_if {
114 	int size;
115 	int (*announce)(struct oce_dev_info *devinfo);
116 } OCE_RDMA_IF, *POCE_RDMA_IF;
117 
118 #define OCE_RDMA_IF_SIZE (sizeof(OCE_RDMA_IF))
119 
120 int oce_register_rdma(POCE_RDMA_INFO rdma_info, POCE_RDMA_IF rdma_if);
121