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

/*
 * Copyright (c) 2003-2008 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 	= 0,
	GET_TX_MAX_CHUNK	= 1,
	GET_TID_RANGE		= 2,
	GET_STID_RANGE		= 3,
	GET_RTBL_RANGE		= 4,
	GET_L2T_CAPACITY	= 5,
	GET_MTUS		= 6,
	GET_WR_LEN		= 7,
	GET_IFF_FROM_MAC	= 8,
	GET_DDP_PARAMS		= 9,
	GET_PORTS		= 10,

	ULP_ISCSI_GET_PARAMS	= 11,
	ULP_ISCSI_SET_PARAMS	= 12,

	RDMA_GET_PARAMS		= 13,
	RDMA_CQ_OP		= 14,
	RDMA_CQ_SETUP		= 15,
	RDMA_CQ_DISABLE		= 16,
	RDMA_CTRL_QP_SETUP	= 17,
	RDMA_GET_MEM		= 18,
	RDMA_GET_MIB		= 19,

	GET_RX_PAGE_INFO	= 50,
};

/*
 * 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;
	u8 pgsz_factor[4];
	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;
};

/*
 * Offload TX/RX page information.
 */
struct ofld_page_info {
	unsigned int page_size;  /* Page size, should be a power of 2 */
	unsigned int num;        /* Number of pages */
};
#endif				/* _CXGB3_OFFLOAD_CTL_DEFS_H */
Commit	Line	Data
4d22de3e	1	/*
a02d44a0	2	* Copyright (c) 2003-2008 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 {
e22bb45d DLR	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,
14cc180f	57	RDMA_GET_MIB = 19,
e22bb45d DLR	58
e22bb45d DLR	59	GET_RX_PAGE_INFO = 50,
4d22de3e DLR	60	};
	61
	62	/*
	63	* Structure used to describe a TID range. Valid TIDs are [base, base+num).
	64	*/
	65	struct tid_range {
	66	unsigned int base; /* first TID */
	67	unsigned int num; /* number of TIDs in range */
	68	};
	69
	70	/*
	71	* Structure used to request the size and contents of the MTU table.
	72	*/
	73	struct mtutab {
	74	unsigned int size; /* # of entries in the MTU table */
	75	const unsigned short mtus; / the MTU table values */
	76	};
	77
	78	struct net_device;
	79
	80	/*
	81	* Structure used to request the adapter net_device owning a given MAC address.
	82	*/
	83	struct iff_mac {
	84	struct net_device dev; / the net_device */
	85	const unsigned char mac_addr; / MAC address to lookup */
	86	u16 vlan_tag;
	87	};
	88
	89	struct pci_dev;
	90
	91	/*
	92	* Structure used to request the TCP DDP parameters.
	93	*/
	94	struct ddp_params {
	95	unsigned int llimit; /* TDDP region start address */
	96	unsigned int ulimit; /* TDDP region end address */
	97	unsigned int tag_mask; /* TDDP tag mask */
	98	struct pci_dev *pdev;
	99	};
	100
	101	struct adap_ports {
	102	unsigned int nports; /* number of ports on this adapter */
	103	struct net_device *lldevs[2];
	104	};
	105
	106	/*
	107	* Structure used to return information to the iscsi layer.
	108	*/
	109	struct ulp_iscsi_info {
	110	unsigned int offset;
	111	unsigned int llimit;
	112	unsigned int ulimit;
	113	unsigned int tagmask;
9439f749	114	u8 pgsz_factor[4];
4d22de3e DLR	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	};
e22bb45d DLR	164
	165	/*
	166	* Offload TX/RX page information.
	167	*/
	168	struct ofld_page_info {
	169	unsigned int page_size; /* Page size, should be a power of 2 */
	170	unsigned int num; /* Number of pages */
	171	};
4d22de3e	172	#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */