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 
10 #ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
11 #define _CXGB3_OFFLOAD_CTL_DEFS_H
12 
13 enum {
14     GET_MAX_OUTSTANDING_WR,
15     GET_TX_MAX_CHUNK,
16     GET_TID_RANGE,
17     GET_STID_RANGE,
18     GET_RTBL_RANGE,
19     GET_L2T_CAPACITY,
20     GET_MTUS,
21     GET_WR_LEN,
22     GET_IFF_FROM_MAC,
23     GET_DDP_PARAMS,
24     GET_PORTS,
25 
26     ULP_ISCSI_GET_PARAMS,
27     ULP_ISCSI_SET_PARAMS,
28 
29     RDMA_GET_PARAMS,
30     RDMA_CQ_OP,
31     RDMA_CQ_SETUP,
32     RDMA_CQ_DISABLE,
33     RDMA_CTRL_QP_SETUP,
34     RDMA_GET_MEM,
35 
36     FAILOVER           = 30,
37     FAILOVER_DONE      = 31,
38     FAILOVER_CLEAR     = 32,
39 
40     GET_CPUIDX_OF_QSET = 40,
41 
42     GET_RX_PAGE_INFO   = 50,
43 };
44 
45 /*
46  * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
47  */
48 struct tid_range {
49     unsigned int base;   /* first TID */
50     unsigned int num;    /* number of TIDs in range */
51 };
52 
53 /*
54  * Structure used to request the size and contents of the MTU table.
55  */
56 struct mtutab {
57     unsigned int size;          /* # of entries in the MTU table */
58     const unsigned short *mtus; /* the MTU table values */
59 };
60 
61 struct net_device;
62 
63 /*
64  * Structure used to request the adapter net_device owning a given MAC address.
65  */
66 struct iff_mac {
67     struct net_device *dev;          /* the net_device */
68     const unsigned char *mac_addr;   /* MAC address to lookup */
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 net_device *lldevs[2];
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 volatile *kdb_addr;  /* kernel doorbell register address */
127     struct pci_dev *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