[deliverable/linux.git] / drivers / net / ehea / ehea.h

/*
 *  linux/drivers/net/ehea/ehea.h
 *
 *  eHEA ethernet device driver for IBM eServer System p
 *
 *  (C) Copyright IBM Corp. 2006
 *
 *  Authors:
 *       Christoph Raisch <raisch@de.ibm.com>
 *       Jan-Bernd Themann <themann@de.ibm.com>
 *       Thomas Klein <tklein@de.ibm.com>
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __EHEA_H__
#define __EHEA_H__

#include <linux/module.h>
#include <linux/ethtool.h>
#include <linux/vmalloc.h>
#include <linux/if_vlan.h>

#include <asm/ibmebus.h>
#include <asm/abs_addr.h>
#include <asm/io.h>

#define DRV_NAME	"ehea"
#define DRV_VERSION	"EHEA_0067"

/* EHEA capability flags */
#define DLPAR_PORT_ADD_REM 1
#define DLPAR_MEM_ADD 2
#define DLPAR_MEM_REM 4
#define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM)

#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \
	| NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR)

#define EHEA_MAX_ENTRIES_RQ1 32767
#define EHEA_MAX_ENTRIES_RQ2 16383
#define EHEA_MAX_ENTRIES_RQ3 16383
#define EHEA_MAX_ENTRIES_SQ  32767
#define EHEA_MIN_ENTRIES_QP  127

#define EHEA_SMALL_QUEUES
#define EHEA_NUM_TX_QP 1

#ifdef EHEA_SMALL_QUEUES
#define EHEA_MAX_CQE_COUNT      1023
#define EHEA_DEF_ENTRIES_SQ     1023
#define EHEA_DEF_ENTRIES_RQ1    4095
#define EHEA_DEF_ENTRIES_RQ2    1023
#define EHEA_DEF_ENTRIES_RQ3    1023
#else
#define EHEA_MAX_CQE_COUNT      4080
#define EHEA_DEF_ENTRIES_SQ     4080
#define EHEA_DEF_ENTRIES_RQ1    8160
#define EHEA_DEF_ENTRIES_RQ2    2040
#define EHEA_DEF_ENTRIES_RQ3    2040
#endif

#define EHEA_MAX_ENTRIES_EQ 20

#define EHEA_SG_SQ  2
#define EHEA_SG_RQ1 1
#define EHEA_SG_RQ2 0
#define EHEA_SG_RQ3 0

#define EHEA_MAX_PACKET_SIZE    9022	/* for jumbo frames */
#define EHEA_RQ2_PKT_SIZE       1522
#define EHEA_L_PKT_SIZE         256	/* low latency */

/* Send completion signaling */

/* Protection Domain Identifier */
#define EHEA_PD_ID        0xaabcdeff

#define EHEA_RQ2_THRESHOLD 	   1
#define EHEA_RQ3_THRESHOLD 	   9	/* use RQ3 threshold of 1522 bytes */

#define EHEA_SPEED_10G         10000
#define EHEA_SPEED_1G           1000
#define EHEA_SPEED_100M          100
#define EHEA_SPEED_10M            10
#define EHEA_SPEED_AUTONEG         0

/* Broadcast/Multicast registration types */
#define EHEA_BCMC_SCOPE_ALL	0x08
#define EHEA_BCMC_SCOPE_SINGLE	0x00
#define EHEA_BCMC_MULTICAST	0x04
#define EHEA_BCMC_BROADCAST	0x00
#define EHEA_BCMC_UNTAGGED	0x02
#define EHEA_BCMC_TAGGED	0x00
#define EHEA_BCMC_VLANID_ALL	0x01
#define EHEA_BCMC_VLANID_SINGLE	0x00

#define EHEA_CACHE_LINE          128

/* Memory Regions */
#define EHEA_MR_ACC_CTRL       0x00800000

#define EHEA_WATCH_DOG_TIMEOUT 10*HZ

/* utility functions */

#define ehea_info(fmt, args...) \
	printk(KERN_INFO DRV_NAME ": " fmt "\n", ## args)

#define ehea_error(fmt, args...) \
	printk(KERN_ERR DRV_NAME ": Error in %s: " fmt "\n", __func__, ## args)

#ifdef DEBUG
#define ehea_debug(fmt, args...) \
	printk(KERN_DEBUG DRV_NAME ": " fmt, ## args)
#else
#define ehea_debug(fmt, args...) do {} while (0)
#endif

void ehea_dump(void *adr, int len, char *msg);

#define EHEA_BMASK(pos, length) (((pos) << 16) + (length))

#define EHEA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1))

#define EHEA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff)

#define EHEA_BMASK_MASK(mask) \
	(0xffffffffffffffffULL >> ((64 - (mask)) & 0xffff))

#define EHEA_BMASK_SET(mask, value) \
	((EHEA_BMASK_MASK(mask) & ((u64)(value))) << EHEA_BMASK_SHIFTPOS(mask))

#define EHEA_BMASK_GET(mask, value) \
	(EHEA_BMASK_MASK(mask) & (((u64)(value)) >> EHEA_BMASK_SHIFTPOS(mask)))

/*
 * Generic ehea page
 */
struct ehea_page {
	u8 entries[PAGE_SIZE];
};

/*
 * Generic queue in linux kernel virtual memory
 */
struct hw_queue {
	u64 current_q_offset;		/* current queue entry */
	struct ehea_page **queue_pages;	/* array of pages belonging to queue */
	u32 qe_size;			/* queue entry size */
	u32 queue_length;      		/* queue length allocated in bytes */
	u32 pagesize;
	u32 toggle_state;		/* toggle flag - per page */
	u32 reserved;			/* 64 bit alignment */
};

/*
 * For pSeries this is a 64bit memory address where
 * I/O memory is mapped into CPU address space
 */
struct h_epa {
	void __iomem *addr;
};

struct h_epa_user {
	u64 addr;
};

struct h_epas {
	struct h_epa kernel;	/* kernel space accessible resource,
				   set to 0 if unused */
	struct h_epa_user user;	/* user space accessible resource
				   set to 0 if unused */
};

struct ehea_qp;
struct ehea_cq;
struct ehea_eq;
struct ehea_port;
struct ehea_av;

/*
 * Queue attributes passed to ehea_create_qp()
 */
struct ehea_qp_init_attr {
	/* input parameter */
	u32 qp_token;           /* queue token */
	u8 low_lat_rq1;
	u8 signalingtype;       /* cqe generation flag */
	u8 rq_count;            /* num of receive queues */
	u8 eqe_gen;             /* eqe generation flag */
	u16 max_nr_send_wqes;   /* max number of send wqes */
	u16 max_nr_rwqes_rq1;   /* max number of receive wqes */
	u16 max_nr_rwqes_rq2;
	u16 max_nr_rwqes_rq3;
	u8 wqe_size_enc_sq;
	u8 wqe_size_enc_rq1;
	u8 wqe_size_enc_rq2;
	u8 wqe_size_enc_rq3;
	u8 swqe_imm_data_len;   /* immediate data length for swqes */
	u16 port_nr;
	u16 rq2_threshold;
	u16 rq3_threshold;
	u64 send_cq_handle;
	u64 recv_cq_handle;
	u64 aff_eq_handle;

	/* output parameter */
	u32 qp_nr;
	u16 act_nr_send_wqes;
	u16 act_nr_rwqes_rq1;
	u16 act_nr_rwqes_rq2;
	u16 act_nr_rwqes_rq3;
	u8 act_wqe_size_enc_sq;
	u8 act_wqe_size_enc_rq1;
	u8 act_wqe_size_enc_rq2;
	u8 act_wqe_size_enc_rq3;
	u32 nr_sq_pages;
	u32 nr_rq1_pages;
	u32 nr_rq2_pages;
	u32 nr_rq3_pages;
	u32 liobn_sq;
	u32 liobn_rq1;
	u32 liobn_rq2;
	u32 liobn_rq3;
};

/*
 * Event Queue attributes, passed as paramter
 */
struct ehea_eq_attr {
	u32 type;
	u32 max_nr_of_eqes;
	u8 eqe_gen;        /* generate eqe flag */
	u64 eq_handle;
	u32 act_nr_of_eqes;
	u32 nr_pages;
	u32 ist1;          /* Interrupt service token */
	u32 ist2;
	u32 ist3;
	u32 ist4;
};


/*
 * Event Queue
 */
struct ehea_eq {
	struct ehea_adapter *adapter;
	struct hw_queue hw_queue;
	u64 fw_handle;
	struct h_epas epas;
	spinlock_t spinlock;
	struct ehea_eq_attr attr;
};

/*
 * HEA Queues
 */
struct ehea_qp {
	struct ehea_adapter *adapter;
	u64 fw_handle;			/* QP handle for firmware calls */
	struct hw_queue hw_squeue;
	struct hw_queue hw_rqueue1;
	struct hw_queue hw_rqueue2;
	struct hw_queue hw_rqueue3;
	struct h_epas epas;
	struct ehea_qp_init_attr init_attr;
};

/*
 * Completion Queue attributes
 */
struct ehea_cq_attr {
	/* input parameter */
	u32 max_nr_of_cqes;
	u32 cq_token;
	u64 eq_handle;

	/* output parameter */
	u32 act_nr_of_cqes;
	u32 nr_pages;
};

/*
 * Completion Queue
 */
struct ehea_cq {
	struct ehea_adapter *adapter;
	u64 fw_handle;
	struct hw_queue hw_queue;
	struct h_epas epas;
	struct ehea_cq_attr attr;
};

/*
 * Memory Region
 */
struct ehea_mr {
	struct ehea_adapter *adapter;
	u64 handle;
	u64 vaddr;
	u32 lkey;
};

/*
 * Port state information
 */
struct port_stats {
	int poll_receive_errors;
	int queue_stopped;
	int err_tcp_cksum;
	int err_ip_cksum;
	int err_frame_crc;
};

#define EHEA_IRQ_NAME_SIZE 20

/*
 * Queue SKB Array
 */
struct ehea_q_skb_arr {
	struct sk_buff **arr;		/* skb array for queue */
	int len;                	/* array length */
	int index;			/* array index */
	int os_skbs;			/* rq2/rq3 only: outstanding skbs */
};

/*
 * Port resources
 */
struct ehea_port_res {
	struct port_stats p_stats;
	struct ehea_mr send_mr;       	/* send memory region */
	struct ehea_mr recv_mr;       	/* receive memory region */
	spinlock_t xmit_lock;
	struct ehea_port *port;
	char int_recv_name[EHEA_IRQ_NAME_SIZE];
	char int_send_name[EHEA_IRQ_NAME_SIZE];
	struct ehea_qp *qp;
	struct ehea_cq *send_cq;
	struct ehea_cq *recv_cq;
	struct ehea_eq *eq;
	struct net_device *d_netdev;
	struct ehea_q_skb_arr rq1_skba;
	struct ehea_q_skb_arr rq2_skba;
	struct ehea_q_skb_arr rq3_skba;
	struct ehea_q_skb_arr sq_skba;
	spinlock_t netif_queue;
	int queue_stopped;
	int swqe_refill_th;
	atomic_t swqe_avail;
	int swqe_ll_count;
	u32 swqe_id_counter;
	u64 tx_packets;
	u64 rx_packets;
	u32 poll_counter;
};


#define EHEA_MAX_PORTS 16
struct ehea_adapter {
	u64 handle;
	struct ibmebus_dev *ebus_dev;
	struct ehea_port *port[EHEA_MAX_PORTS];
	struct ehea_eq *neq;       /* notification event queue */
	struct workqueue_struct *ehea_wq;
	struct tasklet_struct neq_tasklet;
	struct ehea_mr mr;
	u32 pd;                    /* protection domain */
	u64 max_mc_mac;            /* max number of multicast mac addresses */
};


struct ehea_mc_list {
	struct list_head list;
	u64 macaddr;
};

#define EHEA_PORT_UP 1
#define EHEA_PORT_DOWN 0
#define EHEA_MAX_PORT_RES 16
struct ehea_port {
	struct ehea_adapter *adapter;	 /* adapter that owns this port */
	struct net_device *netdev;
	struct net_device_stats stats;
	struct ehea_port_res port_res[EHEA_MAX_PORT_RES];
	struct of_device  ofdev; /* Open Firmware Device */
	struct ehea_mc_list *mc_list;	 /* Multicast MAC addresses */
	struct vlan_group *vgrp;
	struct ehea_eq *qp_eq;
	struct work_struct reset_task;
	struct semaphore port_lock;
	char int_aff_name[EHEA_IRQ_NAME_SIZE];
	int allmulti;			 /* Indicates IFF_ALLMULTI state */
	int promisc;		 	 /* Indicates IFF_PROMISC state */
	int num_tx_qps;
	int num_add_tx_qps;
	int num_mcs;
	int resets;
	u64 mac_addr;
	u32 logical_port_id;
	u32 port_speed;
	u32 msg_enable;
	u32 sig_comp_iv;
	u32 state;
	u8 full_duplex;
	u8 autoneg;
	u8 num_def_qps;
};

struct port_res_cfg {
	int max_entries_rcq;
	int max_entries_scq;
	int max_entries_sq;
	int max_entries_rq1;
	int max_entries_rq2;
	int max_entries_rq3;
};


void ehea_set_ethtool_ops(struct net_device *netdev);
int ehea_sense_port_attr(struct ehea_port *port);
int ehea_set_portspeed(struct ehea_port *port, u32 port_speed);

#endif	/* __EHEA_H__ */
Commit	Line	Data
7a291083 JBT	1	/*
	2	* linux/drivers/net/ehea/ehea.h
	3	*
	4	* eHEA ethernet device driver for IBM eServer System p
	5	*
	6	* (C) Copyright IBM Corp. 2006
	7	*
	8	* Authors:
	9	* Christoph Raisch <raisch@de.ibm.com>
	10	* Jan-Bernd Themann <themann@de.ibm.com>
	11	* Thomas Klein <tklein@de.ibm.com>
	12	*
	13	*
	14	* This program is free software; you can redistribute it and/or modify
	15	* it under the terms of the GNU General Public License as published by
	16	* the Free Software Foundation; either version 2, or (at your option)
	17	* any later version.
	18	*
	19	* This program is distributed in the hope that it will be useful,
	20	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	21	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	22	* GNU General Public License for more details.
	23	*
	24	* You should have received a copy of the GNU General Public License
	25	* along with this program; if not, write to the Free Software
	26	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	27	*/
	28
	29	#ifndef __EHEA_H__
	30	#define __EHEA_H__
	31
	32	#include <linux/module.h>
	33	#include <linux/ethtool.h>
	34	#include <linux/vmalloc.h>
	35	#include <linux/if_vlan.h>
	36
	37	#include <asm/ibmebus.h>
	38	#include <asm/abs_addr.h>
	39	#include <asm/io.h>
	40
	41	#define DRV_NAME "ehea"
4c3ca4da JBT	42	#define DRV_VERSION "EHEA_0067"
	43
	44	/* EHEA capability flags */
	45	#define DLPAR_PORT_ADD_REM 1
	46	#define DLPAR_MEM_ADD 2
	47	#define DLPAR_MEM_REM 4
	48	#define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM)
7a291083 JBT	49
	50	#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK \| NETIF_MSG_TIMER \
	51	\| NETIF_MSG_RX_ERR \| NETIF_MSG_TX_ERR)
	52
	53	#define EHEA_MAX_ENTRIES_RQ1 32767
	54	#define EHEA_MAX_ENTRIES_RQ2 16383
	55	#define EHEA_MAX_ENTRIES_RQ3 16383
	56	#define EHEA_MAX_ENTRIES_SQ 32767
	57	#define EHEA_MIN_ENTRIES_QP 127
	58
bff0a55f	59	#define EHEA_SMALL_QUEUES
7a291083 JBT	60	#define EHEA_NUM_TX_QP 1
	61
	62	#ifdef EHEA_SMALL_QUEUES
	63	#define EHEA_MAX_CQE_COUNT 1023
	64	#define EHEA_DEF_ENTRIES_SQ 1023
	65	#define EHEA_DEF_ENTRIES_RQ1 4095
	66	#define EHEA_DEF_ENTRIES_RQ2 1023
	67	#define EHEA_DEF_ENTRIES_RQ3 1023
	68	#else
bff0a55f JBT	69	#define EHEA_MAX_CQE_COUNT 4080
	70	#define EHEA_DEF_ENTRIES_SQ 4080
	71	#define EHEA_DEF_ENTRIES_RQ1 8160
	72	#define EHEA_DEF_ENTRIES_RQ2 2040
	73	#define EHEA_DEF_ENTRIES_RQ3 2040
7a291083 JBT	74	#endif
	75
	76	#define EHEA_MAX_ENTRIES_EQ 20
	77
	78	#define EHEA_SG_SQ 2
	79	#define EHEA_SG_RQ1 1
	80	#define EHEA_SG_RQ2 0
	81	#define EHEA_SG_RQ3 0
	82
	83	#define EHEA_MAX_PACKET_SIZE 9022 /* for jumbo frames */
	84	#define EHEA_RQ2_PKT_SIZE 1522
	85	#define EHEA_L_PKT_SIZE 256 /* low latency */
	86
7a291083	87	/* Send completion signaling */
7a291083 JBT	88
	89	/* Protection Domain Identifier */
	90	#define EHEA_PD_ID 0xaabcdeff
	91
	92	#define EHEA_RQ2_THRESHOLD 1
	93	#define EHEA_RQ3_THRESHOLD 9 /* use RQ3 threshold of 1522 bytes */
	94
	95	#define EHEA_SPEED_10G 10000
	96	#define EHEA_SPEED_1G 1000
	97	#define EHEA_SPEED_100M 100
	98	#define EHEA_SPEED_10M 10
	99	#define EHEA_SPEED_AUTONEG 0
	100
	101	/* Broadcast/Multicast registration types */
	102	#define EHEA_BCMC_SCOPE_ALL 0x08
	103	#define EHEA_BCMC_SCOPE_SINGLE 0x00
	104	#define EHEA_BCMC_MULTICAST 0x04
	105	#define EHEA_BCMC_BROADCAST 0x00
	106	#define EHEA_BCMC_UNTAGGED 0x02
	107	#define EHEA_BCMC_TAGGED 0x00
	108	#define EHEA_BCMC_VLANID_ALL 0x01
	109	#define EHEA_BCMC_VLANID_SINGLE 0x00
	110
7a291083 JBT	111	#define EHEA_CACHE_LINE 128
	112
	113	/* Memory Regions */
7a291083	114	#define EHEA_MR_ACC_CTRL 0x00800000
7a291083 JBT	115
	116	#define EHEA_WATCH_DOG_TIMEOUT 10*HZ
	117
	118	/* utility functions */
	119
	120	#define ehea_info(fmt, args...) \
	121	printk(KERN_INFO DRV_NAME ": " fmt "\n", ## args)
	122
	123	#define ehea_error(fmt, args...) \
	124	printk(KERN_ERR DRV_NAME ": Error in %s: " fmt "\n", __func__, ## args)
	125
	126	#ifdef DEBUG
	127	#define ehea_debug(fmt, args...) \
	128	printk(KERN_DEBUG DRV_NAME ": " fmt, ## args)
	129	#else
	130	#define ehea_debug(fmt, args...) do {} while (0)
	131	#endif
	132
	133	void ehea_dump(void adr, int len, char msg);
	134
	135	#define EHEA_BMASK(pos, length) (((pos) << 16) + (length))
	136
	137	#define EHEA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1))
	138
	139	#define EHEA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff)
	140
	141	#define EHEA_BMASK_MASK(mask) \
	142	(0xffffffffffffffffULL >> ((64 - (mask)) & 0xffff))
	143
	144	#define EHEA_BMASK_SET(mask, value) \
d1d25aab	145	((EHEA_BMASK_MASK(mask) & ((u64)(value))) << EHEA_BMASK_SHIFTPOS(mask))
7a291083 JBT	146
7a291083 JBT	147	#define EHEA_BMASK_GET(mask, value) \
d1d25aab	148	(EHEA_BMASK_MASK(mask) & (((u64)(value)) >> EHEA_BMASK_SHIFTPOS(mask)))
7a291083 JBT	149
	150	/*
	151	* Generic ehea page
	152	*/
	153	struct ehea_page {
	154	u8 entries[PAGE_SIZE];
	155	};
	156
	157	/*
	158	* Generic queue in linux kernel virtual memory
	159	*/
	160	struct hw_queue {
	161	u64 current_q_offset; /* current queue entry */
	162	struct ehea_page *queue_pages; / array of pages belonging to queue */
	163	u32 qe_size; /* queue entry size */
	164	u32 queue_length; /* queue length allocated in bytes */
	165	u32 pagesize;
	166	u32 toggle_state; /* toggle flag - per page */
	167	u32 reserved; /* 64 bit alignment */
	168	};
	169
	170	/*
	171	* For pSeries this is a 64bit memory address where
	172	* I/O memory is mapped into CPU address space
	173	*/
	174	struct h_epa {
	175	void __iomem *addr;
	176	};
	177
	178	struct h_epa_user {
	179	u64 addr;
	180	};
	181
	182	struct h_epas {
	183	struct h_epa kernel; /* kernel space accessible resource,
	184	set to 0 if unused */
	185	struct h_epa_user user; /* user space accessible resource
	186	set to 0 if unused */
	187	};
	188
	189	struct ehea_qp;
	190	struct ehea_cq;
	191	struct ehea_eq;
	192	struct ehea_port;
	193	struct ehea_av;
	194
	195	/*
	196	* Queue attributes passed to ehea_create_qp()
	197	*/
	198	struct ehea_qp_init_attr {
d1d25aab	199	/* input parameter */
7a291083 JBT	200	u32 qp_token; /* queue token */
	201	u8 low_lat_rq1;
	202	u8 signalingtype; /* cqe generation flag */
	203	u8 rq_count; /* num of receive queues */
	204	u8 eqe_gen; /* eqe generation flag */
	205	u16 max_nr_send_wqes; /* max number of send wqes */
	206	u16 max_nr_rwqes_rq1; /* max number of receive wqes */
	207	u16 max_nr_rwqes_rq2;
	208	u16 max_nr_rwqes_rq3;
	209	u8 wqe_size_enc_sq;
	210	u8 wqe_size_enc_rq1;
	211	u8 wqe_size_enc_rq2;
	212	u8 wqe_size_enc_rq3;
	213	u8 swqe_imm_data_len; /* immediate data length for swqes */
	214	u16 port_nr;
	215	u16 rq2_threshold;
	216	u16 rq3_threshold;
	217	u64 send_cq_handle;
	218	u64 recv_cq_handle;
	219	u64 aff_eq_handle;
	220
d1d25aab	221	/* output parameter */
7a291083 JBT	222	u32 qp_nr;
	223	u16 act_nr_send_wqes;
	224	u16 act_nr_rwqes_rq1;
	225	u16 act_nr_rwqes_rq2;
	226	u16 act_nr_rwqes_rq3;
	227	u8 act_wqe_size_enc_sq;
	228	u8 act_wqe_size_enc_rq1;
	229	u8 act_wqe_size_enc_rq2;
	230	u8 act_wqe_size_enc_rq3;
	231	u32 nr_sq_pages;
	232	u32 nr_rq1_pages;
	233	u32 nr_rq2_pages;
	234	u32 nr_rq3_pages;
	235	u32 liobn_sq;
	236	u32 liobn_rq1;
	237	u32 liobn_rq2;
	238	u32 liobn_rq3;
	239	};
	240
	241	/*
	242	* Event Queue attributes, passed as paramter
	243	*/
	244	struct ehea_eq_attr {
	245	u32 type;
	246	u32 max_nr_of_eqes;
	247	u8 eqe_gen; /* generate eqe flag */
	248	u64 eq_handle;
	249	u32 act_nr_of_eqes;
	250	u32 nr_pages;
	251	u32 ist1; /* Interrupt service token */
	252	u32 ist2;
	253	u32 ist3;
	254	u32 ist4;
	255	};
	256
	257
	258	/*
	259	* Event Queue
	260	*/
	261	struct ehea_eq {
	262	struct ehea_adapter *adapter;
	263	struct hw_queue hw_queue;
	264	u64 fw_handle;
	265	struct h_epas epas;
	266	spinlock_t spinlock;
	267	struct ehea_eq_attr attr;
	268	};
	269
	270	/*
	271	* HEA Queues
	272	*/
	273	struct ehea_qp {
	274	struct ehea_adapter *adapter;
	275	u64 fw_handle; /* QP handle for firmware calls */
	276	struct hw_queue hw_squeue;
	277	struct hw_queue hw_rqueue1;
	278	struct hw_queue hw_rqueue2;
	279	struct hw_queue hw_rqueue3;
	280	struct h_epas epas;
	281	struct ehea_qp_init_attr init_attr;
	282	};
	283
	284	/*
	285	* Completion Queue attributes
286	*/
287	struct ehea_cq_attr {
d1d25aab	288	/* input parameter */
7a291083 JBT	289	u32 max_nr_of_cqes;
	290	u32 cq_token;
	291	u64 eq_handle;
	292
d1d25aab	293	/* output parameter */
7a291083 JBT	294	u32 act_nr_of_cqes;
	295	u32 nr_pages;
	296	};
	297
	298	/*
	299	* Completion Queue
	300	*/
	301	struct ehea_cq {
	302	struct ehea_adapter *adapter;
	303	u64 fw_handle;
	304	struct hw_queue hw_queue;
	305	struct h_epas epas;
	306	struct ehea_cq_attr attr;
	307	};
	308
	309	/*
	310	* Memory Region
	311	*/
	312	struct ehea_mr {
e542aa6b	313	struct ehea_adapter *adapter;
7a291083 JBT	314	u64 handle;
	315	u64 vaddr;
	316	u32 lkey;
	317	};
	318
	319	/*
	320	* Port state information
	321	*/
acbddb59	322	struct port_stats {
7a291083	323	int poll_receive_errors;
7a291083	324	int queue_stopped;
acbddb59 JBT	325	int err_tcp_cksum;
	326	int err_ip_cksum;
	327	int err_frame_crc;
7a291083 JBT	328	};
	329
	330	#define EHEA_IRQ_NAME_SIZE 20
	331
	332	/*
	333	* Queue SKB Array
	334	*/
	335	struct ehea_q_skb_arr {
	336	struct sk_buff *arr; / skb array for queue */
	337	int len; /* array length */
	338	int index; /* array index */
	339	int os_skbs; /* rq2/rq3 only: outstanding skbs */
	340	};
	341
	342	/*
	343	* Port resources
	344	*/
	345	struct ehea_port_res {
acbddb59	346	struct port_stats p_stats;
7a291083 JBT	347	struct ehea_mr send_mr; /* send memory region */
	348	struct ehea_mr recv_mr; /* receive memory region */
	349	spinlock_t xmit_lock;
	350	struct ehea_port *port;
	351	char int_recv_name[EHEA_IRQ_NAME_SIZE];
	352	char int_send_name[EHEA_IRQ_NAME_SIZE];
	353	struct ehea_qp *qp;
	354	struct ehea_cq *send_cq;
	355	struct ehea_cq *recv_cq;
18604c54 JBT	356	struct ehea_eq *eq;
18604c54 JBT	357	struct net_device *d_netdev;
7a291083 JBT	358	struct ehea_q_skb_arr rq1_skba;
	359	struct ehea_q_skb_arr rq2_skba;
	360	struct ehea_q_skb_arr rq3_skba;
	361	struct ehea_q_skb_arr sq_skba;
	362	spinlock_t netif_queue;
	363	int queue_stopped;
	364	int swqe_refill_th;
	365	atomic_t swqe_avail;
	366	int swqe_ll_count;
7a291083 JBT	367	u32 swqe_id_counter;
7a291083 JBT	368	u64 tx_packets;
7a291083 JBT	369	u64 rx_packets;
	370	u32 poll_counter;
	371	};
	372
	373
1acf2318	374	#define EHEA_MAX_PORTS 16
7a291083 JBT	375	struct ehea_adapter {
7a291083 JBT	376	u64 handle;
1acf2318 JBT	377	struct ibmebus_dev *ebus_dev;
1acf2318 JBT	378	struct ehea_port *port[EHEA_MAX_PORTS];
7a291083 JBT	379	struct ehea_eq neq; / notification event queue */
	380	struct workqueue_struct *ehea_wq;
	381	struct tasklet_struct neq_tasklet;
	382	struct ehea_mr mr;
	383	u32 pd; /* protection domain */
	384	u64 max_mc_mac; /* max number of multicast mac addresses */
	385	};
	386
	387
	388	struct ehea_mc_list {
	389	struct list_head list;
	390	u64 macaddr;
	391	};
	392
	393	#define EHEA_PORT_UP 1
	394	#define EHEA_PORT_DOWN 0
	395	#define EHEA_MAX_PORT_RES 16
	396	struct ehea_port {
	397	struct ehea_adapter adapter; / adapter that owns this port */
	398	struct net_device *netdev;
	399	struct net_device_stats stats;
	400	struct ehea_port_res port_res[EHEA_MAX_PORT_RES];
1acf2318	401	struct of_device ofdev; /* Open Firmware Device */
7a291083 JBT	402	struct ehea_mc_list mc_list; / Multicast MAC addresses */
	403	struct vlan_group *vgrp;
	404	struct ehea_eq *qp_eq;
	405	struct work_struct reset_task;
	406	struct semaphore port_lock;
	407	char int_aff_name[EHEA_IRQ_NAME_SIZE];
	408	int allmulti; /* Indicates IFF_ALLMULTI state */
	409	int promisc; /* Indicates IFF_PROMISC state */
18604c54	410	int num_tx_qps;
7a291083	411	int num_add_tx_qps;
18604c54	412	int num_mcs;
7a291083 JBT	413	int resets;
	414	u64 mac_addr;
	415	u32 logical_port_id;
	416	u32 port_speed;
	417	u32 msg_enable;
	418	u32 sig_comp_iv;
	419	u32 state;
	420	u8 full_duplex;
	421	u8 autoneg;
	422	u8 num_def_qps;
	423	};
	424
	425	struct port_res_cfg {
	426	int max_entries_rcq;
	427	int max_entries_scq;
	428	int max_entries_sq;
	429	int max_entries_rq1;
	430	int max_entries_rq2;
	431	int max_entries_rq3;
	432	};
	433
	434
	435	void ehea_set_ethtool_ops(struct net_device *netdev);
	436	int ehea_sense_port_attr(struct ehea_port *port);
	437	int ehea_set_portspeed(struct ehea_port *port, u32 port_speed);
	438
	439	#endif /* __EHEA_H__ */