1 /*
2 * Copyright (C) 2003-2006 Chelsio Communications. All rights reserved.
3 *
4 * This program is distributed in the hope that it will be useful, but WITHOUT
5 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6 * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
7 * release for licensing terms and conditions.
8 *
9 * $FreeBSD$
10 */
11
12 #ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
13 #define _CXGB3_OFFLOAD_CTL_DEFS_H
14
15 enum {
16 GET_MAX_OUTSTANDING_WR,
17 GET_TX_MAX_CHUNK,
18 GET_TID_RANGE,
19 GET_STID_RANGE,
20 GET_RTBL_RANGE,
21 GET_L2T_CAPACITY,
22 GET_MTUS,
23 GET_WR_LEN,
24 GET_IFF_FROM_MAC,
25 GET_DDP_PARAMS,
26 GET_PORTS,
27
28 ULP_ISCSI_GET_PARAMS,
29 ULP_ISCSI_SET_PARAMS,
30
31 RDMA_GET_PARAMS,
32 RDMA_CQ_OP,
33 RDMA_CQ_SETUP,
34 RDMA_CQ_DISABLE,
35 RDMA_CTRL_QP_SETUP,
36 RDMA_GET_MEM,
37
38 FAILOVER = 30,
39 FAILOVER_DONE = 31,
40 FAILOVER_CLEAR = 32,
41
42 GET_CPUIDX_OF_QSET = 40,
43
44 GET_RX_PAGE_INFO = 50,
45 };
46
47 /*
48 * Structure used to describe a TID range. Valid TIDs are [base, base+num).
49 */
50 struct tid_range {
51 unsigned int base; /* first TID */
52 unsigned int num; /* number of TIDs in range */
53 };
54
55 /*
56 * Structure used to request the size and contents of the MTU table.
57 */
58 struct mtutab {
59 unsigned int size; /* # of entries in the MTU table */
60 const unsigned short *mtus; /* the MTU table values */
61 };
62
63 /*
64 * Structure used to request the ifnet that owns a given MAC address.
65 */
66 struct iff_mac {
67 struct ifnet *dev;
68 const unsigned char *mac_addr;
69 u16 vlan_tag;
70 };
71
72 struct pci_dev;
73
74 /*
75 * Structure used to request the TCP DDP parameters.
76 */
77 struct ddp_params {
78 unsigned int llimit; /* TDDP region start address */
79 unsigned int ulimit; /* TDDP region end address */
80 unsigned int tag_mask; /* TDDP tag mask */
81 struct pci_dev *pdev;
82 };
83
84 struct adap_ports {
85 unsigned int nports; /* number of ports on this adapter */
86 struct ifnet *lldevs[MAX_NPORTS];
87 };
88
89 /*
90 * Structure used to return information to the iscsi layer.
91 */
92 struct ulp_iscsi_info {
93 unsigned int offset;
94 unsigned int llimit;
95 unsigned int ulimit;
96 unsigned int tagmask;
97 unsigned int pgsz3;
98 unsigned int pgsz2;
99 unsigned int pgsz1;
100 unsigned int pgsz0;
101 unsigned int max_rxsz;
102 unsigned int max_txsz;
103 struct pci_dev *pdev;
104 };
105
106 /*
107 * Offload TX/RX page information.
108 */
109 struct ofld_page_info {
110 unsigned int page_size; /* Page size, should be a power of 2 */
111 unsigned int num; /* Number of pages */
112 };
113
114 /*
115 * Structure used to return information to the RDMA layer.
116 */
117 struct rdma_info {
118 unsigned int tpt_base; /* TPT base address */
119 unsigned int tpt_top; /* TPT last entry address */
120 unsigned int pbl_base; /* PBL base address */
121 unsigned int pbl_top; /* PBL last entry address */
122 unsigned int rqt_base; /* RQT base address */
123 unsigned int rqt_top; /* RQT last entry address */
124 unsigned int udbell_len; /* user doorbell region length */
125 unsigned long udbell_physbase; /* user doorbell physical start addr */
126 void *kdb_addr; /* kernel doorbell register address */
127 struct device *pdev; /* associated PCI device */
128 };
129
130 /*
131 * Structure used to request an operation on an RDMA completion queue.
132 */
133 struct rdma_cq_op {
134 unsigned int id;
135 unsigned int op;
136 unsigned int credits;
137 };
138
139 /*
140 * Structure used to setup RDMA completion queues.
141 */
142 struct rdma_cq_setup {
143 unsigned int id;
144 unsigned long long base_addr;
145 unsigned int size;
146 unsigned int credits;
147 unsigned int credit_thres;
148 unsigned int ovfl_mode;
149 };
150
151 /*
152 * Structure used to setup the RDMA control egress context.
153 */
154 struct rdma_ctrlqp_setup {
155 unsigned long long base_addr;
156 unsigned int size;
157 };
158 #endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */
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