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
13enum {
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 */
48struct 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 */
56struct mtutab {
57    unsigned int size;          /* # of entries in the MTU table */
58    const unsigned short *mtus; /* the MTU table values */
59};
60
61struct net_device;
62
63/*
64 * Structure used to request the adapter net_device owning a given MAC address.
65 */
66struct 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
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 net_device *lldevs[2];
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 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 */
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