[net-next-2.6.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_0065"

#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"
d1d25aab	42	#define DRV_VERSION "EHEA_0065"
7a291083 JBT	43
	44	#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK \| NETIF_MSG_TIMER \
	45	\| NETIF_MSG_RX_ERR \| NETIF_MSG_TX_ERR)
	46
	47	#define EHEA_MAX_ENTRIES_RQ1 32767
	48	#define EHEA_MAX_ENTRIES_RQ2 16383
	49	#define EHEA_MAX_ENTRIES_RQ3 16383
	50	#define EHEA_MAX_ENTRIES_SQ 32767
	51	#define EHEA_MIN_ENTRIES_QP 127
	52
bff0a55f	53	#define EHEA_SMALL_QUEUES
7a291083 JBT	54	#define EHEA_NUM_TX_QP 1
	55
	56	#ifdef EHEA_SMALL_QUEUES
	57	#define EHEA_MAX_CQE_COUNT 1023
	58	#define EHEA_DEF_ENTRIES_SQ 1023
	59	#define EHEA_DEF_ENTRIES_RQ1 4095
	60	#define EHEA_DEF_ENTRIES_RQ2 1023
	61	#define EHEA_DEF_ENTRIES_RQ3 1023
	62	#else
bff0a55f JBT	63	#define EHEA_MAX_CQE_COUNT 4080
	64	#define EHEA_DEF_ENTRIES_SQ 4080
	65	#define EHEA_DEF_ENTRIES_RQ1 8160
	66	#define EHEA_DEF_ENTRIES_RQ2 2040
	67	#define EHEA_DEF_ENTRIES_RQ3 2040
7a291083 JBT	68	#endif
	69
	70	#define EHEA_MAX_ENTRIES_EQ 20
	71
	72	#define EHEA_SG_SQ 2
	73	#define EHEA_SG_RQ1 1
	74	#define EHEA_SG_RQ2 0
	75	#define EHEA_SG_RQ3 0
	76
	77	#define EHEA_MAX_PACKET_SIZE 9022 /* for jumbo frames */
	78	#define EHEA_RQ2_PKT_SIZE 1522
	79	#define EHEA_L_PKT_SIZE 256 /* low latency */
	80
7a291083	81	/* Send completion signaling */
7a291083 JBT	82
	83	/* Protection Domain Identifier */
	84	#define EHEA_PD_ID 0xaabcdeff
	85
	86	#define EHEA_RQ2_THRESHOLD 1
	87	#define EHEA_RQ3_THRESHOLD 9 /* use RQ3 threshold of 1522 bytes */
	88
	89	#define EHEA_SPEED_10G 10000
	90	#define EHEA_SPEED_1G 1000
	91	#define EHEA_SPEED_100M 100
	92	#define EHEA_SPEED_10M 10
	93	#define EHEA_SPEED_AUTONEG 0
	94
	95	/* Broadcast/Multicast registration types */
	96	#define EHEA_BCMC_SCOPE_ALL 0x08
	97	#define EHEA_BCMC_SCOPE_SINGLE 0x00
	98	#define EHEA_BCMC_MULTICAST 0x04
	99	#define EHEA_BCMC_BROADCAST 0x00
	100	#define EHEA_BCMC_UNTAGGED 0x02
	101	#define EHEA_BCMC_TAGGED 0x00
	102	#define EHEA_BCMC_VLANID_ALL 0x01
	103	#define EHEA_BCMC_VLANID_SINGLE 0x00
	104
7a291083 JBT	105	#define EHEA_CACHE_LINE 128
	106
	107	/* Memory Regions */
7a291083	108	#define EHEA_MR_ACC_CTRL 0x00800000
7a291083 JBT	109
	110	#define EHEA_WATCH_DOG_TIMEOUT 10*HZ
	111
	112	/* utility functions */
	113
	114	#define ehea_info(fmt, args...) \
	115	printk(KERN_INFO DRV_NAME ": " fmt "\n", ## args)
	116
	117	#define ehea_error(fmt, args...) \
	118	printk(KERN_ERR DRV_NAME ": Error in %s: " fmt "\n", __func__, ## args)
	119
	120	#ifdef DEBUG
	121	#define ehea_debug(fmt, args...) \
	122	printk(KERN_DEBUG DRV_NAME ": " fmt, ## args)
	123	#else
	124	#define ehea_debug(fmt, args...) do {} while (0)
	125	#endif
	126
	127	void ehea_dump(void adr, int len, char msg);
	128
	129	#define EHEA_BMASK(pos, length) (((pos) << 16) + (length))
	130
	131	#define EHEA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1))
	132
	133	#define EHEA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff)
	134
	135	#define EHEA_BMASK_MASK(mask) \
	136	(0xffffffffffffffffULL >> ((64 - (mask)) & 0xffff))
	137
	138	#define EHEA_BMASK_SET(mask, value) \
d1d25aab	139	((EHEA_BMASK_MASK(mask) & ((u64)(value))) << EHEA_BMASK_SHIFTPOS(mask))
7a291083 JBT	140
7a291083 JBT	141	#define EHEA_BMASK_GET(mask, value) \
d1d25aab	142	(EHEA_BMASK_MASK(mask) & (((u64)(value)) >> EHEA_BMASK_SHIFTPOS(mask)))
7a291083 JBT	143
	144	/*
	145	* Generic ehea page
	146	*/
	147	struct ehea_page {
	148	u8 entries[PAGE_SIZE];
	149	};
	150
	151	/*
	152	* Generic queue in linux kernel virtual memory
	153	*/
	154	struct hw_queue {
	155	u64 current_q_offset; /* current queue entry */
	156	struct ehea_page *queue_pages; / array of pages belonging to queue */
	157	u32 qe_size; /* queue entry size */
	158	u32 queue_length; /* queue length allocated in bytes */
	159	u32 pagesize;
	160	u32 toggle_state; /* toggle flag - per page */
	161	u32 reserved; /* 64 bit alignment */
	162	};
	163
	164	/*
	165	* For pSeries this is a 64bit memory address where
	166	* I/O memory is mapped into CPU address space
	167	*/
	168	struct h_epa {
	169	void __iomem *addr;
	170	};
	171
	172	struct h_epa_user {
	173	u64 addr;
	174	};
	175
	176	struct h_epas {
	177	struct h_epa kernel; /* kernel space accessible resource,
	178	set to 0 if unused */
	179	struct h_epa_user user; /* user space accessible resource
	180	set to 0 if unused */
	181	};
	182
	183	struct ehea_qp;
	184	struct ehea_cq;
	185	struct ehea_eq;
	186	struct ehea_port;
	187	struct ehea_av;
	188
	189	/*
	190	* Queue attributes passed to ehea_create_qp()
	191	*/
	192	struct ehea_qp_init_attr {
d1d25aab	193	/* input parameter */
7a291083 JBT	194	u32 qp_token; /* queue token */
	195	u8 low_lat_rq1;
	196	u8 signalingtype; /* cqe generation flag */
	197	u8 rq_count; /* num of receive queues */
	198	u8 eqe_gen; /* eqe generation flag */
	199	u16 max_nr_send_wqes; /* max number of send wqes */
	200	u16 max_nr_rwqes_rq1; /* max number of receive wqes */
	201	u16 max_nr_rwqes_rq2;
	202	u16 max_nr_rwqes_rq3;
	203	u8 wqe_size_enc_sq;
	204	u8 wqe_size_enc_rq1;
	205	u8 wqe_size_enc_rq2;
	206	u8 wqe_size_enc_rq3;
	207	u8 swqe_imm_data_len; /* immediate data length for swqes */
	208	u16 port_nr;
	209	u16 rq2_threshold;
	210	u16 rq3_threshold;
	211	u64 send_cq_handle;
	212	u64 recv_cq_handle;
	213	u64 aff_eq_handle;
	214
d1d25aab	215	/* output parameter */
7a291083 JBT	216	u32 qp_nr;
	217	u16 act_nr_send_wqes;
	218	u16 act_nr_rwqes_rq1;
	219	u16 act_nr_rwqes_rq2;
	220	u16 act_nr_rwqes_rq3;
	221	u8 act_wqe_size_enc_sq;
	222	u8 act_wqe_size_enc_rq1;
	223	u8 act_wqe_size_enc_rq2;
	224	u8 act_wqe_size_enc_rq3;
	225	u32 nr_sq_pages;
	226	u32 nr_rq1_pages;
	227	u32 nr_rq2_pages;
	228	u32 nr_rq3_pages;
	229	u32 liobn_sq;
	230	u32 liobn_rq1;
	231	u32 liobn_rq2;
	232	u32 liobn_rq3;
	233	};
	234
	235	/*
	236	* Event Queue attributes, passed as paramter
	237	*/
	238	struct ehea_eq_attr {
	239	u32 type;
	240	u32 max_nr_of_eqes;
	241	u8 eqe_gen; /* generate eqe flag */
	242	u64 eq_handle;
	243	u32 act_nr_of_eqes;
	244	u32 nr_pages;
	245	u32 ist1; /* Interrupt service token */
	246	u32 ist2;
	247	u32 ist3;
	248	u32 ist4;
	249	};
	250
	251
	252	/*
	253	* Event Queue
	254	*/
	255	struct ehea_eq {
	256	struct ehea_adapter *adapter;
	257	struct hw_queue hw_queue;
	258	u64 fw_handle;
	259	struct h_epas epas;
	260	spinlock_t spinlock;
	261	struct ehea_eq_attr attr;
	262	};
	263
	264	/*
	265	* HEA Queues
	266	*/
	267	struct ehea_qp {
	268	struct ehea_adapter *adapter;
	269	u64 fw_handle; /* QP handle for firmware calls */
	270	struct hw_queue hw_squeue;
	271	struct hw_queue hw_rqueue1;
	272	struct hw_queue hw_rqueue2;
	273	struct hw_queue hw_rqueue3;
	274	struct h_epas epas;
	275	struct ehea_qp_init_attr init_attr;
	276	};
	277
	278	/*
	279	* Completion Queue attributes
280	*/
281	struct ehea_cq_attr {
d1d25aab	282	/* input parameter */
7a291083 JBT	283	u32 max_nr_of_cqes;
	284	u32 cq_token;
	285	u64 eq_handle;
	286
d1d25aab	287	/* output parameter */
7a291083 JBT	288	u32 act_nr_of_cqes;
	289	u32 nr_pages;
	290	};
	291
	292	/*
	293	* Completion Queue
	294	*/
	295	struct ehea_cq {
	296	struct ehea_adapter *adapter;
	297	u64 fw_handle;
	298	struct hw_queue hw_queue;
	299	struct h_epas epas;
	300	struct ehea_cq_attr attr;
	301	};
	302
	303	/*
	304	* Memory Region
	305	*/
	306	struct ehea_mr {
e542aa6b	307	struct ehea_adapter *adapter;
7a291083 JBT	308	u64 handle;
	309	u64 vaddr;
	310	u32 lkey;
	311	};
	312
	313	/*
	314	* Port state information
	315	*/
acbddb59	316	struct port_stats {
7a291083	317	int poll_receive_errors;
7a291083	318	int queue_stopped;
acbddb59 JBT	319	int err_tcp_cksum;
	320	int err_ip_cksum;
	321	int err_frame_crc;
7a291083 JBT	322	};
	323
	324	#define EHEA_IRQ_NAME_SIZE 20
	325
	326	/*
	327	* Queue SKB Array
	328	*/
	329	struct ehea_q_skb_arr {
	330	struct sk_buff *arr; / skb array for queue */
	331	int len; /* array length */
	332	int index; /* array index */
	333	int os_skbs; /* rq2/rq3 only: outstanding skbs */
	334	};
	335
	336	/*
	337	* Port resources
	338	*/
	339	struct ehea_port_res {
acbddb59	340	struct port_stats p_stats;
7a291083 JBT	341	struct ehea_mr send_mr; /* send memory region */
	342	struct ehea_mr recv_mr; /* receive memory region */
	343	spinlock_t xmit_lock;
	344	struct ehea_port *port;
	345	char int_recv_name[EHEA_IRQ_NAME_SIZE];
	346	char int_send_name[EHEA_IRQ_NAME_SIZE];
	347	struct ehea_qp *qp;
	348	struct ehea_cq *send_cq;
	349	struct ehea_cq *recv_cq;
18604c54 JBT	350	struct ehea_eq *eq;
18604c54 JBT	351	struct net_device *d_netdev;
7a291083 JBT	352	struct ehea_q_skb_arr rq1_skba;
	353	struct ehea_q_skb_arr rq2_skba;
	354	struct ehea_q_skb_arr rq3_skba;
	355	struct ehea_q_skb_arr sq_skba;
	356	spinlock_t netif_queue;
	357	int queue_stopped;
	358	int swqe_refill_th;
	359	atomic_t swqe_avail;
	360	int swqe_ll_count;
7a291083 JBT	361	u32 swqe_id_counter;
7a291083 JBT	362	u64 tx_packets;
7a291083 JBT	363	u64 rx_packets;
	364	u32 poll_counter;
	365	};
	366
	367
1acf2318	368	#define EHEA_MAX_PORTS 16
7a291083 JBT	369	struct ehea_adapter {
7a291083 JBT	370	u64 handle;
1acf2318 JBT	371	struct ibmebus_dev *ebus_dev;
1acf2318 JBT	372	struct ehea_port *port[EHEA_MAX_PORTS];
7a291083 JBT	373	struct ehea_eq neq; / notification event queue */
	374	struct workqueue_struct *ehea_wq;
	375	struct tasklet_struct neq_tasklet;
	376	struct ehea_mr mr;
	377	u32 pd; /* protection domain */
	378	u64 max_mc_mac; /* max number of multicast mac addresses */
	379	};
	380
	381
	382	struct ehea_mc_list {
	383	struct list_head list;
	384	u64 macaddr;
	385	};
	386
	387	#define EHEA_PORT_UP 1
	388	#define EHEA_PORT_DOWN 0
	389	#define EHEA_MAX_PORT_RES 16
	390	struct ehea_port {
	391	struct ehea_adapter adapter; / adapter that owns this port */
	392	struct net_device *netdev;
	393	struct net_device_stats stats;
	394	struct ehea_port_res port_res[EHEA_MAX_PORT_RES];
1acf2318	395	struct of_device ofdev; /* Open Firmware Device */
7a291083 JBT	396	struct ehea_mc_list mc_list; / Multicast MAC addresses */
	397	struct vlan_group *vgrp;
	398	struct ehea_eq *qp_eq;
	399	struct work_struct reset_task;
	400	struct semaphore port_lock;
	401	char int_aff_name[EHEA_IRQ_NAME_SIZE];
	402	int allmulti; /* Indicates IFF_ALLMULTI state */
	403	int promisc; /* Indicates IFF_PROMISC state */
18604c54	404	int num_tx_qps;
7a291083	405	int num_add_tx_qps;
18604c54	406	int num_mcs;
7a291083 JBT	407	int resets;
	408	u64 mac_addr;
	409	u32 logical_port_id;
	410	u32 port_speed;
	411	u32 msg_enable;
	412	u32 sig_comp_iv;
	413	u32 state;
	414	u8 full_duplex;
	415	u8 autoneg;
	416	u8 num_def_qps;
	417	};
	418
	419	struct port_res_cfg {
	420	int max_entries_rcq;
	421	int max_entries_scq;
	422	int max_entries_sq;
	423	int max_entries_rq1;
	424	int max_entries_rq2;
	425	int max_entries_rq3;
	426	};
	427
	428
	429	void ehea_set_ethtool_ops(struct net_device *netdev);
	430	int ehea_sense_port_attr(struct ehea_port *port);
	431	int ehea_set_portspeed(struct ehea_port *port, u32 port_speed);
	432
	433	#endif /* __EHEA_H__ */