cxgb_ctl_defs.h revision 169994 
1/*
2 * Copyright (C) 2003-2007 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: head/sys/dev/cxgb/common/cxgb_ctl_defs.h 169994 2007-05-25 18:29:17Z kmacy $
10 */
11
12#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
13#define _CXGB3_OFFLOAD_CTL_DEFS_H
14
15
16enum {
17	GET_MAX_OUTSTANDING_WR,
18	GET_TX_MAX_CHUNK,
19	GET_TID_RANGE,
20	GET_STID_RANGE,
21	GET_RTBL_RANGE,
22	GET_L2T_CAPACITY,
23	GET_MTUS,
24	GET_WR_LEN,
25	GET_IFF_FROM_MAC,
26	GET_DDP_PARAMS,
27	GET_PORTS,
28	FAILOVER,
29	FAILOVER_DONE,
30	FAILOVER_CLEAR,
31
32	ULP_ISCSI_GET_PARAMS,
33	ULP_ISCSI_SET_PARAMS,
34
35	RDMA_GET_PARAMS,
36	RDMA_CQ_OP,
37	RDMA_CQ_SETUP,
38	RDMA_CQ_DISABLE,
39	RDMA_CTRL_QP_SETUP,
40	RDMA_GET_MEM,
41};
42
43/*
44 * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
45 */
46struct tid_range {
47	unsigned int base;   /* first TID */
48	unsigned int num;    /* number of TIDs in range */
49};
50
51/*
52 * Structure used to request the size and contents of the MTU table.
53 */
54struct mtutab {
55	unsigned int size;          /* # of entries in the MTU table */
56	const unsigned short *mtus; /* the MTU table values */
57};
58
59struct net_device;
60
61/*
62 * Structure used to request the adapter net_device owning a given MAC address.
63 */
64struct iff_mac {
65	struct net_device *dev;          /* the net_device */
66	const unsigned char *mac_addr;   /* MAC address to lookup */
67	u16 vlan_tag;
68};
69
70struct pci_dev;
71
72/*
73 * Structure used to request the TCP DDP parameters.
74 */
75struct ddp_params {
76	unsigned int llimit;     /* TDDP region start address */
77	unsigned int ulimit;     /* TDDP region end address */
78	unsigned int tag_mask;   /* TDDP tag mask */
79	struct pci_dev *pdev;
80};
81
82struct adap_ports {
83	unsigned int nports;     /* number of ports on this adapter */
84	struct ifnet *lldevs[4];
85};
86
87/*
88 * Structure used to return information to the iscsi layer.
89 */
90struct ulp_iscsi_info {
91	unsigned int	offset;
92	unsigned int	llimit;
93	unsigned int	ulimit;
94	unsigned int	tagmask;
95	unsigned int	pgsz3;
96	unsigned int	pgsz2;
97	unsigned int	pgsz1;
98	unsigned int	pgsz0;
99	unsigned int	max_rxsz;
100	unsigned int	max_txsz;
101	struct pci_dev	*pdev;
102};
103
104/*
105 * Structure used to return information to the RDMA layer.
106 */
107struct rdma_info {
108	unsigned int tpt_base;   /* TPT base address */
109	unsigned int tpt_top;	 /* TPT last entry address */
110	unsigned int pbl_base;   /* PBL base address */
111	unsigned int pbl_top;	 /* PBL last entry address */
112	unsigned int rqt_base;   /* RQT base address */
113	unsigned int rqt_top;	 /* RQT last entry address */
114	unsigned int udbell_len; /* user doorbell region length */
115	unsigned long udbell_physbase;  /* user doorbell physical start addr */
116	void volatile *kdb_addr;  /* kernel doorbell register address */
117	struct pci_dev *pdev;    /* associated PCI device */
118};
119
120/*
121 * Structure used to request an operation on an RDMA completion queue.
122 */
123struct rdma_cq_op {
124	unsigned int id;
125	unsigned int op;
126	unsigned int credits;
127};
128
129/*
130 * Structure used to setup RDMA completion queues.
131 */
132struct rdma_cq_setup {
133	unsigned int id;
134	unsigned long long base_addr;
135	unsigned int size;
136	unsigned int credits;
137	unsigned int credit_thres;
138	unsigned int ovfl_mode;
139};
140
141/*
142 * Structure used to setup the RDMA control egress context.
143 */
144struct rdma_ctrlqp_setup {
145	unsigned long long base_addr;
146	unsigned int size;
147};
148#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */
149