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
15enum {
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 */
50struct 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 */
58struct 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 */
66struct iff_mac {
67	struct ifnet *dev;
68	const unsigned char *mac_addr;
69	u16 vlan_tag;
70};
71
72struct pci_dev;
73
74/*
75 * Structure used to request the TCP DDP parameters.
76 */
77struct 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
84struct 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 */
92struct 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 */
109struct 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 */
117struct 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 */
133struct 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 */
142struct 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 */
154struct rdma_ctrlqp_setup {
155	unsigned long long base_addr;
156	unsigned int size;
157};
158#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */
159