xref: /linux/drivers/net/ethernet/chelsio/cxgb3/cxgb3_ctl_defs.h (revision e5451c8f8330e03ad3cfa16048b4daf961af434f)
1 /*
2  * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 #ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
33 #define _CXGB3_OFFLOAD_CTL_DEFS_H
34 
35 enum {
36 	GET_MAX_OUTSTANDING_WR 	= 0,
37 	GET_TX_MAX_CHUNK	= 1,
38 	GET_TID_RANGE		= 2,
39 	GET_STID_RANGE		= 3,
40 	GET_RTBL_RANGE		= 4,
41 	GET_L2T_CAPACITY	= 5,
42 	GET_MTUS		= 6,
43 	GET_WR_LEN		= 7,
44 	GET_IFF_FROM_MAC	= 8,
45 	GET_DDP_PARAMS		= 9,
46 	GET_PORTS		= 10,
47 
48 	ULP_ISCSI_GET_PARAMS	= 11,
49 	ULP_ISCSI_SET_PARAMS	= 12,
50 
51 	RDMA_GET_PARAMS		= 13,
52 	RDMA_CQ_OP		= 14,
53 	RDMA_CQ_SETUP		= 15,
54 	RDMA_CQ_DISABLE		= 16,
55 	RDMA_CTRL_QP_SETUP	= 17,
56 	RDMA_GET_MEM		= 18,
57 	RDMA_GET_MIB		= 19,
58 
59 	GET_RX_PAGE_INFO	= 50,
60 	GET_ISCSI_IPV4ADDR	= 51,
61 
62 	GET_EMBEDDED_INFO	= 70,
63 };
64 
65 /*
66  * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
67  */
68 struct tid_range {
69 	unsigned int base;	/* first TID */
70 	unsigned int num;	/* number of TIDs in range */
71 };
72 
73 /*
74  * Structure used to request the size and contents of the MTU table.
75  */
76 struct mtutab {
77 	unsigned int size;	/* # of entries in the MTU table */
78 	const unsigned short *mtus;	/* the MTU table values */
79 };
80 
81 struct net_device;
82 
83 /*
84  * Structure used to request the adapter net_device owning a given MAC address.
85  */
86 struct iff_mac {
87 	struct net_device *dev;	/* the net_device */
88 	const unsigned char *mac_addr;	/* MAC address to lookup */
89 	u16 vlan_tag;
90 };
91 
92 /* Structure used to request a port's iSCSI IPv4 address */
93 struct iscsi_ipv4addr {
94 	struct net_device *dev;	/* the net_device */
95 	__be32 ipv4addr;	/* the return iSCSI IPv4 address */
96 };
97 
98 struct pci_dev;
99 
100 /*
101  * Structure used to request the TCP DDP parameters.
102  */
103 struct ddp_params {
104 	unsigned int llimit;	/* TDDP region start address */
105 	unsigned int ulimit;	/* TDDP region end address */
106 	unsigned int tag_mask;	/* TDDP tag mask */
107 	struct pci_dev *pdev;
108 };
109 
110 struct adap_ports {
111 	unsigned int nports;	/* number of ports on this adapter */
112 	struct net_device *lldevs[2];
113 };
114 
115 /*
116  * Structure used to return information to the iscsi layer.
117  */
118 struct ulp_iscsi_info {
119 	unsigned int offset;
120 	unsigned int llimit;
121 	unsigned int ulimit;
122 	unsigned int tagmask;
123 	u8 pgsz_factor[4];
124 	unsigned int max_rxsz;
125 	unsigned int max_txsz;
126 	struct pci_dev *pdev;
127 };
128 
129 /*
130  * Structure used to return information to the RDMA layer.
131  */
132 struct rdma_info {
133 	unsigned int tpt_base;	/* TPT base address */
134 	unsigned int tpt_top;	/* TPT last entry address */
135 	unsigned int pbl_base;	/* PBL base address */
136 	unsigned int pbl_top;	/* PBL last entry address */
137 	unsigned int rqt_base;	/* RQT base address */
138 	unsigned int rqt_top;	/* RQT last entry address */
139 	unsigned int udbell_len;	/* user doorbell region length */
140 	unsigned long udbell_physbase;	/* user doorbell physical start addr */
141 	void __iomem *kdb_addr;	/* kernel doorbell register address */
142 	struct pci_dev *pdev;	/* associated PCI device */
143 };
144 
145 /*
146  * Structure used to request an operation on an RDMA completion queue.
147  */
148 struct rdma_cq_op {
149 	unsigned int id;
150 	unsigned int op;
151 	unsigned int credits;
152 };
153 
154 /*
155  * Structure used to setup RDMA completion queues.
156  */
157 struct rdma_cq_setup {
158 	unsigned int id;
159 	unsigned long long base_addr;
160 	unsigned int size;
161 	unsigned int credits;
162 	unsigned int credit_thres;
163 	unsigned int ovfl_mode;
164 };
165 
166 /*
167  * Structure used to setup the RDMA control egress context.
168  */
169 struct rdma_ctrlqp_setup {
170 	unsigned long long base_addr;
171 	unsigned int size;
172 };
173 
174 /*
175  * Offload TX/RX page information.
176  */
177 struct ofld_page_info {
178 	unsigned int page_size;  /* Page size, should be a power of 2 */
179 	unsigned int num;        /* Number of pages */
180 };
181 
182 /*
183  * Structure used to get firmware and protocol engine versions.
184  */
185 struct ch_embedded_info {
186 	u32 fw_vers;
187 	u32 tp_vers;
188 };
189 #endif				/* _CXGB3_OFFLOAD_CTL_DEFS_H */
190