cxgb_ctl_defs.h revision 172096 
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: head/sys/dev/cxgb/common/cxgb_ctl_defs.h 172096 2007-09-09 01:28:03Z kmacy $
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
63struct net_device;
64
65/*
66 * Structure used to request the adapter net_device owning a given MAC address.
67 */
68struct iff_mac {
69	struct net_device *dev;          /* the net_device */
70	const unsigned char *mac_addr;   /* MAC address to lookup */
71	u16 vlan_tag;
72};
73
74struct pci_dev;
75
76/*
77 * Structure used to request the TCP DDP parameters.
78 */
79struct ddp_params {
80	unsigned int llimit;     /* TDDP region start address */
81	unsigned int ulimit;     /* TDDP region end address */
82	unsigned int tag_mask;   /* TDDP tag mask */
83	struct pci_dev *pdev;
84};
85
86struct adap_ports {
87	unsigned int nports;     /* number of ports on this adapter */
88	struct net_device *lldevs[2];
89};
90
91/*
92 * Structure used to return information to the iscsi layer.
93 */
94struct ulp_iscsi_info {
95	unsigned int	offset;
96	unsigned int	llimit;
97	unsigned int	ulimit;
98	unsigned int	tagmask;
99	unsigned int	pgsz3;
100	unsigned int	pgsz2;
101	unsigned int	pgsz1;
102	unsigned int	pgsz0;
103	unsigned int	max_rxsz;
104	unsigned int	max_txsz;
105	struct pci_dev	*pdev;
106};
107
108/*
109 * Offload TX/RX page information.
110 */
111struct ofld_page_info {
112	unsigned int page_size;  /* Page size, should be a power of 2 */
113	unsigned int num;        /* Number of pages */
114};
115
116/*
117 * Structure used to return information to the RDMA layer.
118 */
119struct rdma_info {
120	unsigned int tpt_base;   /* TPT base address */
121	unsigned int tpt_top;	 /* TPT last entry address */
122	unsigned int pbl_base;   /* PBL base address */
123	unsigned int pbl_top;	 /* PBL last entry address */
124	unsigned int rqt_base;   /* RQT base address */
125	unsigned int rqt_top;	 /* RQT last entry address */
126	unsigned int udbell_len; /* user doorbell region length */
127	unsigned long udbell_physbase;  /* user doorbell physical start addr */
128	void volatile *kdb_addr;  /* kernel doorbell register address */
129	struct pci_dev *pdev;    /* associated PCI device */
130};
131
132/*
133 * Structure used to request an operation on an RDMA completion queue.
134 */
135struct rdma_cq_op {
136	unsigned int id;
137	unsigned int op;
138	unsigned int credits;
139};
140
141/*
142 * Structure used to setup RDMA completion queues.
143 */
144struct rdma_cq_setup {
145	unsigned int id;
146	unsigned long long base_addr;
147	unsigned int size;
148	unsigned int credits;
149	unsigned int credit_thres;
150	unsigned int ovfl_mode;
151};
152
153/*
154 * Structure used to setup the RDMA control egress context.
155 */
156struct rdma_ctrlqp_setup {
157	unsigned long long base_addr;
158	unsigned int size;
159};
160#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */
161