xref: /freebsd/sys/dev/cxgb/common/cxgb_ctl_defs.h (revision e67e85659c0de33e617e5fbf1028c6e8b49eee53)
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 	device_t 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 */
159