[deliverable/linux.git] / drivers / net / cxgb3 / cxgb3_ctl_defs.h

/*
 * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
#define _CXGB3_OFFLOAD_CTL_DEFS_H

enum {
	GET_MAX_OUTSTANDING_WR,
	GET_TX_MAX_CHUNK,
	GET_TID_RANGE,
	GET_STID_RANGE,
	GET_RTBL_RANGE,
	GET_L2T_CAPACITY,
	GET_MTUS,
	GET_WR_LEN,
	GET_IFF_FROM_MAC,
	GET_DDP_PARAMS,
	GET_PORTS,

	ULP_ISCSI_GET_PARAMS,
	ULP_ISCSI_SET_PARAMS,

	RDMA_GET_PARAMS,
	RDMA_CQ_OP,
	RDMA_CQ_SETUP,
	RDMA_CQ_DISABLE,
	RDMA_CTRL_QP_SETUP,
	RDMA_GET_MEM,
};

/*
 * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
 */
struct tid_range {
	unsigned int base;	/* first TID */
	unsigned int num;	/* number of TIDs in range */
};

/*
 * Structure used to request the size and contents of the MTU table.
 */
struct mtutab {
	unsigned int size;	/* # of entries in the MTU table */
	const unsigned short *mtus;	/* the MTU table values */
};

struct net_device;

/*
 * Structure used to request the adapter net_device owning a given MAC address.
 */
struct iff_mac {
	struct net_device *dev;	/* the net_device */
	const unsigned char *mac_addr;	/* MAC address to lookup */
	u16 vlan_tag;
};

struct pci_dev;

/*
 * Structure used to request the TCP DDP parameters.
 */
struct ddp_params {
	unsigned int llimit;	/* TDDP region start address */
	unsigned int ulimit;	/* TDDP region end address */
	unsigned int tag_mask;	/* TDDP tag mask */
	struct pci_dev *pdev;
};

struct adap_ports {
	unsigned int nports;	/* number of ports on this adapter */
	struct net_device *lldevs[2];
};

/*
 * Structure used to return information to the iscsi layer.
 */
struct ulp_iscsi_info {
	unsigned int offset;
	unsigned int llimit;
	unsigned int ulimit;
	unsigned int tagmask;
	unsigned int pgsz3;
	unsigned int pgsz2;
	unsigned int pgsz1;
	unsigned int pgsz0;
	unsigned int max_rxsz;
	unsigned int max_txsz;
	struct pci_dev *pdev;
};

/*
 * Structure used to return information to the RDMA layer.
 */
struct rdma_info {
	unsigned int tpt_base;	/* TPT base address */
	unsigned int tpt_top;	/* TPT last entry address */
	unsigned int pbl_base;	/* PBL base address */
	unsigned int pbl_top;	/* PBL last entry address */
	unsigned int rqt_base;	/* RQT base address */
	unsigned int rqt_top;	/* RQT last entry address */
	unsigned int udbell_len;	/* user doorbell region length */
	unsigned long udbell_physbase;	/* user doorbell physical start addr */
	void __iomem *kdb_addr;	/* kernel doorbell register address */
	struct pci_dev *pdev;	/* associated PCI device */
};

/*
 * Structure used to request an operation on an RDMA completion queue.
 */
struct rdma_cq_op {
	unsigned int id;
	unsigned int op;
	unsigned int credits;
};

/*
 * Structure used to setup RDMA completion queues.
 */
struct rdma_cq_setup {
	unsigned int id;
	unsigned long long base_addr;
	unsigned int size;
	unsigned int credits;
	unsigned int credit_thres;
	unsigned int ovfl_mode;
};

/*
 * Structure used to setup the RDMA control egress context.
 */
struct rdma_ctrlqp_setup {
	unsigned long long base_addr;
	unsigned int size;
};
#endif				/* _CXGB3_OFFLOAD_CTL_DEFS_H */
Commit	Line	Data
4d22de3e	1	/*
1d68e93d	2	* Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved.
4d22de3e	3	*
1d68e93d DLR	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.
4d22de3e	31	*/
4d22de3e DLR	32	#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
	33	#define _CXGB3_OFFLOAD_CTL_DEFS_H
	34
	35	enum {
	36	GET_MAX_OUTSTANDING_WR,
	37	GET_TX_MAX_CHUNK,
	38	GET_TID_RANGE,
	39	GET_STID_RANGE,
	40	GET_RTBL_RANGE,
	41	GET_L2T_CAPACITY,
	42	GET_MTUS,
	43	GET_WR_LEN,
	44	GET_IFF_FROM_MAC,
	45	GET_DDP_PARAMS,
	46	GET_PORTS,
	47
	48	ULP_ISCSI_GET_PARAMS,
	49	ULP_ISCSI_SET_PARAMS,
	50
	51	RDMA_GET_PARAMS,
	52	RDMA_CQ_OP,
	53	RDMA_CQ_SETUP,
	54	RDMA_CQ_DISABLE,
	55	RDMA_CTRL_QP_SETUP,
	56	RDMA_GET_MEM,
	57	};
	58
	59	/*
	60	* Structure used to describe a TID range. Valid TIDs are [base, base+num).
	61	*/
	62	struct tid_range {
	63	unsigned int base; /* first TID */
	64	unsigned int num; /* number of TIDs in range */
	65	};
	66
	67	/*
	68	* Structure used to request the size and contents of the MTU table.
	69	*/
	70	struct mtutab {
	71	unsigned int size; /* # of entries in the MTU table */
	72	const unsigned short mtus; / the MTU table values */
	73	};
	74
	75	struct net_device;
	76
	77	/*
	78	* Structure used to request the adapter net_device owning a given MAC address.
	79	*/
	80	struct iff_mac {
	81	struct net_device dev; / the net_device */
	82	const unsigned char mac_addr; / MAC address to lookup */
	83	u16 vlan_tag;
	84	};
	85
	86	struct pci_dev;
	87
	88	/*
	89	* Structure used to request the TCP DDP parameters.
	90	*/
	91	struct ddp_params {
	92	unsigned int llimit; /* TDDP region start address */
	93	unsigned int ulimit; /* TDDP region end address */
	94	unsigned int tag_mask; /* TDDP tag mask */
	95	struct pci_dev *pdev;
96	};
97
98	struct adap_ports {
99	unsigned int nports; /* number of ports on this adapter */
100	struct net_device *lldevs[2];
101	};
102
103	/*
104	* Structure used to return information to the iscsi layer.
105	*/
106	struct ulp_iscsi_info {
107	unsigned int offset;
108	unsigned int llimit;
109	unsigned int ulimit;
110	unsigned int tagmask;
111	unsigned int pgsz3;
112	unsigned int pgsz2;
113	unsigned int pgsz1;
114	unsigned int pgsz0;
115	unsigned int max_rxsz;
116	unsigned int max_txsz;
117	struct pci_dev *pdev;
118	};
119
120	/*
121	* Structure used to return information to the RDMA layer.
122	*/
123	struct rdma_info {
124	unsigned int tpt_base; /* TPT base address */
125	unsigned int tpt_top; /* TPT last entry address */
126	unsigned int pbl_base; /* PBL base address */
127	unsigned int pbl_top; /* PBL last entry address */
128	unsigned int rqt_base; /* RQT base address */
129	unsigned int rqt_top; /* RQT last entry address */
130	unsigned int udbell_len; /* user doorbell region length */
131	unsigned long udbell_physbase; /* user doorbell physical start addr */
132	void __iomem kdb_addr; / kernel doorbell register address */
133	struct pci_dev pdev; / associated PCI device */
134	};
135
136	/*
137	* Structure used to request an operation on an RDMA completion queue.
138	*/
139	struct rdma_cq_op {
140	unsigned int id;
141	unsigned int op;
142	unsigned int credits;
143	};
144
145	/*
146	* Structure used to setup RDMA completion queues.
147	*/
148	struct rdma_cq_setup {
149	unsigned int id;
150	unsigned long long base_addr;
151	unsigned int size;
152	unsigned int credits;
153	unsigned int credit_thres;
154	unsigned int ovfl_mode;
155	};
156
157	/*
158	* Structure used to setup the RDMA control egress context.
159	*/
160	struct rdma_ctrlqp_setup {
161	unsigned long long base_addr;
162	unsigned int size;
163	};
164	#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */