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/drivers/net/ethernet/chelsio/cxgb3/cxgb3_ctl_defs.h

http://github.com/mirrors/linux
C Header | 189 lines | 104 code | 20 blank | 65 comment | 0 complexity | 50496f2da1d4eb51f28ff5f3499e6161 MD5 | raw file
  1/*
  2 * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved.
  3 *
  4 * This software is available to you under a choice of one of two
  5 * licenses.  You may choose to be licensed under the terms of the GNU
  6 * General Public License (GPL) Version 2, available from the file
  7 * COPYING in the main directory of this source tree, or the
  8 * OpenIB.org BSD license below:
  9 *
 10 *     Redistribution and use in source and binary forms, with or
 11 *     without modification, are permitted provided that the following
 12 *     conditions are met:
 13 *
 14 *      - Redistributions of source code must retain the above
 15 *        copyright notice, this list of conditions and the following
 16 *        disclaimer.
 17 *
 18 *      - Redistributions in binary form must reproduce the above
 19 *        copyright notice, this list of conditions and the following
 20 *        disclaimer in the documentation and/or other materials
 21 *        provided with the distribution.
 22 *
 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 30 * SOFTWARE.
 31 */
 32#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
 33#define _CXGB3_OFFLOAD_CTL_DEFS_H
 34
 35enum {
 36	GET_MAX_OUTSTANDING_WR 	= 0,
 37	GET_TX_MAX_CHUNK	= 1,
 38	GET_TID_RANGE		= 2,
 39	GET_STID_RANGE		= 3,
 40	GET_RTBL_RANGE		= 4,
 41	GET_L2T_CAPACITY	= 5,
 42	GET_MTUS		= 6,
 43	GET_WR_LEN		= 7,
 44	GET_IFF_FROM_MAC	= 8,
 45	GET_DDP_PARAMS		= 9,
 46	GET_PORTS		= 10,
 47
 48	ULP_ISCSI_GET_PARAMS	= 11,
 49	ULP_ISCSI_SET_PARAMS	= 12,
 50
 51	RDMA_GET_PARAMS		= 13,
 52	RDMA_CQ_OP		= 14,
 53	RDMA_CQ_SETUP		= 15,
 54	RDMA_CQ_DISABLE		= 16,
 55	RDMA_CTRL_QP_SETUP	= 17,
 56	RDMA_GET_MEM		= 18,
 57	RDMA_GET_MIB		= 19,
 58
 59	GET_RX_PAGE_INFO	= 50,
 60	GET_ISCSI_IPV4ADDR	= 51,
 61
 62	GET_EMBEDDED_INFO	= 70,
 63};
 64
 65/*
 66 * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
 67 */
 68struct tid_range {
 69	unsigned int base;	/* first TID */
 70	unsigned int num;	/* number of TIDs in range */
 71};
 72
 73/*
 74 * Structure used to request the size and contents of the MTU table.
 75 */
 76struct mtutab {
 77	unsigned int size;	/* # of entries in the MTU table */
 78	const unsigned short *mtus;	/* the MTU table values */
 79};
 80
 81struct net_device;
 82
 83/*
 84 * Structure used to request the adapter net_device owning a given MAC address.
 85 */
 86struct iff_mac {
 87	struct net_device *dev;	/* the net_device */
 88	const unsigned char *mac_addr;	/* MAC address to lookup */
 89	u16 vlan_tag;
 90};
 91
 92/* Structure used to request a port's iSCSI IPv4 address */
 93struct iscsi_ipv4addr {
 94	struct net_device *dev;	/* the net_device */
 95	__be32 ipv4addr;	/* the return iSCSI IPv4 address */
 96};
 97
 98struct pci_dev;
 99
100/*
101 * Structure used to request the TCP DDP parameters.
102 */
103struct ddp_params {
104	unsigned int llimit;	/* TDDP region start address */
105	unsigned int ulimit;	/* TDDP region end address */
106	unsigned int tag_mask;	/* TDDP tag mask */
107	struct pci_dev *pdev;
108};
109
110struct adap_ports {
111	unsigned int nports;	/* number of ports on this adapter */
112	struct net_device *lldevs[2];
113};
114
115/*
116 * Structure used to return information to the iscsi layer.
117 */
118struct ulp_iscsi_info {
119	unsigned int offset;
120	unsigned int llimit;
121	unsigned int ulimit;
122	unsigned int tagmask;
123	u8 pgsz_factor[4];
124	unsigned int max_rxsz;
125	unsigned int max_txsz;
126	struct pci_dev *pdev;
127};
128
129/*
130 * Structure used to return information to the RDMA layer.
131 */
132struct rdma_info {
133	unsigned int tpt_base;	/* TPT base address */
134	unsigned int tpt_top;	/* TPT last entry address */
135	unsigned int pbl_base;	/* PBL base address */
136	unsigned int pbl_top;	/* PBL last entry address */
137	unsigned int rqt_base;	/* RQT base address */
138	unsigned int rqt_top;	/* RQT last entry address */
139	unsigned int udbell_len;	/* user doorbell region length */
140	unsigned long udbell_physbase;	/* user doorbell physical start addr */
141	void __iomem *kdb_addr;	/* kernel doorbell register address */
142	struct pci_dev *pdev;	/* associated PCI device */
143};
144
145/*
146 * Structure used to request an operation on an RDMA completion queue.
147 */
148struct rdma_cq_op {
149	unsigned int id;
150	unsigned int op;
151	unsigned int credits;
152};
153
154/*
155 * Structure used to setup RDMA completion queues.
156 */
157struct rdma_cq_setup {
158	unsigned int id;
159	unsigned long long base_addr;
160	unsigned int size;
161	unsigned int credits;
162	unsigned int credit_thres;
163	unsigned int ovfl_mode;
164};
165
166/*
167 * Structure used to setup the RDMA control egress context.
168 */
169struct rdma_ctrlqp_setup {
170	unsigned long long base_addr;
171	unsigned int size;
172};
173
174/*
175 * Offload TX/RX page information.
176 */
177struct ofld_page_info {
178	unsigned int page_size;  /* Page size, should be a power of 2 */
179	unsigned int num;        /* Number of pages */
180};
181
182/*
183 * Structure used to get firmware and protocol engine versions.
184 */
185struct ch_embedded_info {
186	u32 fw_vers;
187	u32 tp_vers;
188};
189#endif				/* _CXGB3_OFFLOAD_CTL_DEFS_H */