[mirror_ubuntu-artful-kernel.git] / drivers / scsi / bnx2fc / bnx2fc.h

#ifndef _BNX2FC_H_
#define _BNX2FC_H_
/* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver.
 *
 * Copyright (c) 2008 - 2011 Broadcom Corporation
 *
 * 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.
 *
 * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <linux/kthread.h>
#include <linux/crc32.h>
#include <linux/cpu.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <linux/bitops.h>
#include <linux/log2.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/io.h>

#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_tcq.h>
#include <scsi/libfc.h>
#include <scsi/libfcoe.h>
#include <scsi/fc_encode.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fip.h>
#include <scsi/fc/fc_fc2.h>
#include <scsi/fc_frame.h>
#include <scsi/fc/fc_fcoe.h>
#include <scsi/fc/fc_fcp.h>

#include "57xx_hsi_bnx2fc.h"
#include "../../net/ethernet/broadcom/cnic_if.h"
#include  "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
#include "bnx2fc_constants.h"

#define BNX2FC_NAME		"bnx2fc"
#define BNX2FC_VERSION		"1.0.13"

#define PFX			"bnx2fc: "

#define BNX2X_DOORBELL_PCI_BAR		2

#define BNX2FC_MAX_BD_LEN		0xffff
#define BNX2FC_BD_SPLIT_SZ		0x8000
#define BNX2FC_MAX_BDS_PER_CMD		256

#define BNX2FC_SQ_WQES_MAX	256

#define BNX2FC_SCSI_MAX_SQES	((3 * BNX2FC_SQ_WQES_MAX) / 8)
#define BNX2FC_TM_MAX_SQES	((BNX2FC_SQ_WQES_MAX) / 2)
#define BNX2FC_ELS_MAX_SQES	(BNX2FC_TM_MAX_SQES - 1)

#define BNX2FC_RQ_WQES_MAX	16
#define BNX2FC_CQ_WQES_MAX	(BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)

#define BNX2FC_NUM_MAX_SESS	1024
#define BNX2FC_NUM_MAX_SESS_LOG	(ilog2(BNX2FC_NUM_MAX_SESS))

#define BNX2FC_MAX_NPIV		256

#define BNX2FC_MAX_OUTSTANDING_CMNDS	2048
#define BNX2FC_CAN_QUEUE		BNX2FC_MAX_OUTSTANDING_CMNDS
#define BNX2FC_ELSTM_XIDS		BNX2FC_CAN_QUEUE
#define BNX2FC_MIN_PAYLOAD		256
#define BNX2FC_MAX_PAYLOAD		2048
#define BNX2FC_MFS			\
			(BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
#define BNX2FC_MINI_JUMBO_MTU		2500


#define BNX2FC_RQ_BUF_SZ		256
#define BNX2FC_RQ_BUF_LOG_SZ		(ilog2(BNX2FC_RQ_BUF_SZ))

#define BNX2FC_SQ_WQE_SIZE		(sizeof(struct fcoe_sqe))
#define BNX2FC_CQ_WQE_SIZE		(sizeof(struct fcoe_cqe))
#define BNX2FC_RQ_WQE_SIZE		(BNX2FC_RQ_BUF_SZ)
#define BNX2FC_XFERQ_WQE_SIZE		(sizeof(struct fcoe_xfrqe))
#define BNX2FC_CONFQ_WQE_SIZE		(sizeof(struct fcoe_confqe))
#define BNX2FC_5771X_DB_PAGE_SIZE	128

#define BNX2FC_MAX_TASKS		\
			     (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS)
#define BNX2FC_TASK_SIZE		128
#define	BNX2FC_TASKS_PER_PAGE		(PAGE_SIZE/BNX2FC_TASK_SIZE)
#define BNX2FC_TASK_CTX_ARR_SZ		(BNX2FC_MAX_TASKS/BNX2FC_TASKS_PER_PAGE)

#define BNX2FC_MAX_ROWS_IN_HASH_TBL	8
#define BNX2FC_HASH_TBL_CHUNK_SIZE	(16 * 1024)

#define BNX2FC_MAX_SEQS			255
#define BNX2FC_MAX_RETRY_CNT		3
#define BNX2FC_MAX_RPORT_RETRY_CNT	255

#define BNX2FC_READ			(1 << 1)
#define BNX2FC_WRITE			(1 << 0)

#define BNX2FC_MIN_XID			0
#define BNX2FC_MAX_XID			\
			(BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1)
#define FCOE_MAX_NUM_XIDS		0x2000
#define FCOE_MIN_XID			(BNX2FC_MAX_XID + 1)
#define FCOE_MAX_XID			(FCOE_MIN_XID + FCOE_MAX_NUM_XIDS - 1)
#define FCOE_XIDS_PER_CPU		(FCOE_MIN_XID + (512 * nr_cpu_ids) - 1)
#define BNX2FC_MAX_LUN			0xFFFF
#define BNX2FC_MAX_FCP_TGT		256
#define BNX2FC_MAX_CMD_LEN		16

#define BNX2FC_TM_TIMEOUT		60	/* secs */
#define BNX2FC_IO_TIMEOUT		20000UL	/* msecs */

#define BNX2FC_WAIT_CNT			1200
#define BNX2FC_FW_TIMEOUT		(3 * HZ)
#define PORT_MAX			2

#define CMD_SCSI_STATUS(Cmnd)		((Cmnd)->SCp.Status)

/* FC FCP Status */
#define	FC_GOOD				0

#define BNX2FC_RNID_HBA			0x7

#define SRR_RETRY_COUNT			5
#define REC_RETRY_COUNT			1
#define BNX2FC_NUM_ERR_BITS		63

#define BNX2FC_RELOGIN_WAIT_TIME	200
#define BNX2FC_RELOGIN_WAIT_CNT		10

#define BNX2FC_STATS(hba, stat, cnt)					\
	do {								\
		u32 val;						\
									\
		val = fw_stats->stat.cnt;				\
		if (hba->prev_stats.stat.cnt <= val)			\
			val -= hba->prev_stats.stat.cnt;		\
		else							\
			val += (0xfffffff - hba->prev_stats.stat.cnt);	\
		hba->bfw_stats.cnt += val;				\
	} while (0)

/* bnx2fc driver uses only one instance of fcoe_percpu_s */
extern struct fcoe_percpu_s bnx2fc_global;

extern struct workqueue_struct *bnx2fc_wq;

struct bnx2fc_percpu_s {
	struct task_struct *iothread;
	struct list_head work_list;
	spinlock_t fp_work_lock;
};

struct bnx2fc_fw_stats {
	u64	fc_crc_cnt;
	u64	fcoe_tx_pkt_cnt;
	u64	fcoe_rx_pkt_cnt;
	u64	fcoe_tx_byte_cnt;
	u64	fcoe_rx_byte_cnt;
};

struct bnx2fc_hba {
	struct list_head list;
	struct cnic_dev *cnic;
	struct pci_dev *pcidev;
	struct net_device *phys_dev;
	unsigned long reg_with_cnic;
		#define BNX2FC_CNIC_REGISTERED           1
	struct bnx2fc_cmd_mgr *cmd_mgr;
	spinlock_t hba_lock;
	struct mutex hba_mutex;
	unsigned long adapter_state;
		#define ADAPTER_STATE_UP		0
		#define ADAPTER_STATE_GOING_DOWN	1
		#define ADAPTER_STATE_LINK_DOWN		2
		#define ADAPTER_STATE_READY		3
	unsigned long flags;
		#define BNX2FC_FLAG_FW_INIT_DONE	0
		#define BNX2FC_FLAG_DESTROY_CMPL	1
	u32 next_conn_id;
	struct fcoe_task_ctx_entry **task_ctx;
	dma_addr_t *task_ctx_dma;
	struct regpair *task_ctx_bd_tbl;
	dma_addr_t task_ctx_bd_dma;

	int hash_tbl_segment_count;
	void **hash_tbl_segments;
	void *hash_tbl_pbl;
	dma_addr_t hash_tbl_pbl_dma;
	struct fcoe_t2_hash_table_entry *t2_hash_tbl;
	dma_addr_t t2_hash_tbl_dma;
	char *t2_hash_tbl_ptr;
	dma_addr_t t2_hash_tbl_ptr_dma;

	char *dummy_buffer;
	dma_addr_t dummy_buf_dma;

	/* Active list of offloaded sessions */
	struct bnx2fc_rport **tgt_ofld_list;

	/* statistics */
	struct bnx2fc_fw_stats bfw_stats;
	struct fcoe_statistics_params prev_stats;
	struct fcoe_statistics_params *stats_buffer;
	dma_addr_t stats_buf_dma;
	struct completion stat_req_done;
	struct fcoe_capabilities fcoe_cap;

	/*destroy handling */
	struct timer_list destroy_timer;
	wait_queue_head_t destroy_wait;

	/* linkdown handling */
	wait_queue_head_t shutdown_wait;
	int wait_for_link_down;
	int num_ofld_sess;
	struct list_head vports;
};

struct bnx2fc_interface {
	struct list_head list;
	unsigned long if_flags;
		#define BNX2FC_CTLR_INIT_DONE		0
	struct bnx2fc_hba *hba;
	struct net_device *netdev;
	struct packet_type fcoe_packet_type;
	struct packet_type fip_packet_type;
	struct workqueue_struct *timer_work_queue;
	struct kref kref;
	u8 vlan_enabled;
	int vlan_id;
	bool enabled;
};

#define bnx2fc_from_ctlr(x)			\
	((struct bnx2fc_interface *)((x) + 1))

#define bnx2fc_to_ctlr(x)					\
	((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))

struct bnx2fc_lport {
	struct list_head list;
	struct fc_lport *lport;
};

struct bnx2fc_cmd_mgr {
	struct bnx2fc_hba *hba;
	u16 next_idx;
	struct list_head *free_list;
	spinlock_t *free_list_lock;
	struct io_bdt **io_bdt_pool;
	struct bnx2fc_cmd **cmds;
};

struct bnx2fc_rport {
	struct fcoe_port *port;
	struct fc_rport *rport;
	struct fc_rport_priv *rdata;
	void __iomem *ctx_base;
#define DPM_TRIGER_TYPE		0x40
	u32 io_timeout;
	u32 fcoe_conn_id;
	u32 context_id;
	u32 sid;
	int dev_type;

	unsigned long flags;
#define BNX2FC_FLAG_SESSION_READY	0x1
#define BNX2FC_FLAG_OFFLOADED		0x2
#define BNX2FC_FLAG_DISABLED		0x3
#define BNX2FC_FLAG_DESTROYED		0x4
#define BNX2FC_FLAG_OFLD_REQ_CMPL	0x5
#define BNX2FC_FLAG_CTX_ALLOC_FAILURE	0x6
#define BNX2FC_FLAG_UPLD_REQ_COMPL	0x7
#define BNX2FC_FLAG_EXPL_LOGO		0x8
#define BNX2FC_FLAG_DISABLE_FAILED	0x9
#define BNX2FC_FLAG_ENABLED		0xa

	u8 src_addr[ETH_ALEN];
	u32 max_sqes;
	u32 max_rqes;
	u32 max_cqes;
	atomic_t free_sqes;

	struct b577xx_doorbell_set_prod sq_db;
	struct b577xx_fcoe_rx_doorbell rx_db;

	struct fcoe_sqe *sq;
	dma_addr_t sq_dma;
	u16 sq_prod_idx;
	u8 sq_curr_toggle_bit;
	u32 sq_mem_size;

	struct fcoe_cqe *cq;
	dma_addr_t cq_dma;
	u16 cq_cons_idx;
	u8 cq_curr_toggle_bit;
	u32 cq_mem_size;

	void *rq;
	dma_addr_t rq_dma;
	u32 rq_prod_idx;
	u32 rq_cons_idx;
	u32 rq_mem_size;

	void *rq_pbl;
	dma_addr_t rq_pbl_dma;
	u32 rq_pbl_size;

	struct fcoe_xfrqe *xferq;
	dma_addr_t xferq_dma;
	u32 xferq_mem_size;

	struct fcoe_confqe *confq;
	dma_addr_t confq_dma;
	u32 confq_mem_size;

	void *confq_pbl;
	dma_addr_t confq_pbl_dma;
	u32 confq_pbl_size;

	struct fcoe_conn_db *conn_db;
	dma_addr_t conn_db_dma;
	u32 conn_db_mem_size;

	struct fcoe_sqe *lcq;
	dma_addr_t lcq_dma;
	u32 lcq_mem_size;

	void *ofld_req[4];
	dma_addr_t ofld_req_dma[4];
	void *enbl_req;
	dma_addr_t enbl_req_dma;

	spinlock_t tgt_lock;
	spinlock_t cq_lock;
	atomic_t num_active_ios;
	u32 flush_in_prog;
	unsigned long timestamp;
	struct list_head free_task_list;
	struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
	struct list_head active_cmd_queue;
	struct list_head els_queue;
	struct list_head io_retire_queue;
	struct list_head active_tm_queue;

	struct timer_list ofld_timer;
	wait_queue_head_t ofld_wait;

	struct timer_list upld_timer;
	wait_queue_head_t upld_wait;
};

struct bnx2fc_mp_req {
	u8 tm_flags;

	u32 req_len;
	void *req_buf;
	dma_addr_t req_buf_dma;
	struct fcoe_bd_ctx *mp_req_bd;
	dma_addr_t mp_req_bd_dma;
	struct fc_frame_header req_fc_hdr;

	u32 resp_len;
	void *resp_buf;
	dma_addr_t resp_buf_dma;
	struct fcoe_bd_ctx *mp_resp_bd;
	dma_addr_t mp_resp_bd_dma;
	struct fc_frame_header resp_fc_hdr;
};

struct bnx2fc_els_cb_arg {
	struct bnx2fc_cmd *aborted_io_req;
	struct bnx2fc_cmd *io_req;
	u16 l2_oxid;
	u32 offset;
	enum fc_rctl r_ctl;
};

/* bnx2fc command structure */
struct bnx2fc_cmd {
	struct list_head link;
	u8 on_active_queue;
	u8 on_tmf_queue;
	u8 cmd_type;
#define BNX2FC_SCSI_CMD		1
#define BNX2FC_TASK_MGMT_CMD		2
#define BNX2FC_ABTS			3
#define BNX2FC_ELS			4
#define BNX2FC_CLEANUP			5
#define BNX2FC_SEQ_CLEANUP		6
	u8 io_req_flags;
	struct kref refcount;
	struct fcoe_port *port;
	struct bnx2fc_rport *tgt;
	struct scsi_cmnd *sc_cmd;
	struct bnx2fc_cmd_mgr *cmd_mgr;
	struct bnx2fc_mp_req mp_req;
	void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
	struct bnx2fc_els_cb_arg *cb_arg;
	struct delayed_work timeout_work; /* timer for ULP timeouts */
	struct completion tm_done;
	int wait_for_comp;
	u16 xid;
	struct fcoe_err_report_entry err_entry;
	struct fcoe_task_ctx_entry *task;
	struct io_bdt *bd_tbl;
	struct fcp_rsp *rsp;
	size_t data_xfer_len;
	unsigned long req_flags;
#define BNX2FC_FLAG_ISSUE_RRQ		0x1
#define BNX2FC_FLAG_ISSUE_ABTS		0x2
#define BNX2FC_FLAG_ABTS_DONE		0x3
#define BNX2FC_FLAG_TM_COMPL		0x4
#define BNX2FC_FLAG_TM_TIMEOUT		0x5
#define BNX2FC_FLAG_IO_CLEANUP		0x6
#define BNX2FC_FLAG_RETIRE_OXID		0x7
#define	BNX2FC_FLAG_EH_ABORT		0x8
#define BNX2FC_FLAG_IO_COMPL		0x9
#define BNX2FC_FLAG_ELS_DONE		0xa
#define BNX2FC_FLAG_ELS_TIMEOUT		0xb
#define BNX2FC_FLAG_CMD_LOST		0xc
#define BNX2FC_FLAG_SRR_SENT		0xd
	u8 rec_retry;
	u8 srr_retry;
	u32 srr_offset;
	u8 srr_rctl;
	u32 fcp_resid;
	u32 fcp_rsp_len;
	u32 fcp_sns_len;
	u8 cdb_status; /* SCSI IO status */
	u8 fcp_status; /* FCP IO status */
	u8 fcp_rsp_code;
	u8 scsi_comp_flags;
};

struct io_bdt {
	struct bnx2fc_cmd *io_req;
	struct fcoe_bd_ctx *bd_tbl;
	dma_addr_t bd_tbl_dma;
	u16 bd_valid;
};

struct bnx2fc_work {
	struct list_head list;
	struct bnx2fc_rport *tgt;
	u16 wqe;
};
struct bnx2fc_unsol_els {
	struct fc_lport *lport;
	struct fc_frame *fp;
	struct bnx2fc_hba *hba;
	struct work_struct unsol_els_work;
};


struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
void bnx2fc_cmd_release(struct kref *ref);
int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
					struct bnx2fc_rport *tgt);
int bnx2fc_send_session_enable_req(struct fcoe_port *port,
					struct bnx2fc_rport *tgt);
int bnx2fc_send_session_disable_req(struct fcoe_port *port,
				    struct bnx2fc_rport *tgt);
int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
					struct bnx2fc_rport *tgt);
int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
					u32 num_cqe);
int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba,
						u16 min_xid, u16 max_xid);
void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
			  unsigned int timer_msec);
int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
			      struct fcoe_task_ctx_entry *task,
			      u16 orig_xid);
void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
				  struct fcoe_task_ctx_entry *task,
				  struct bnx2fc_cmd *orig_io_req,
				  u32 offset);
void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
			 struct fcoe_task_ctx_entry *task);
void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
			     struct fcoe_task_ctx_entry *task);
void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
void bnx2fc_rport_event_handler(struct fc_lport *lport,
				struct fc_rport_priv *rport,
				enum fc_rport_event event);
void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
				   struct fcoe_task_ctx_entry *task,
				   u8 num_rq);
void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
			       struct fcoe_task_ctx_entry *task,
			       u8 num_rq);
void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
			       struct fcoe_task_ctx_entry *task,
			       u8 num_rq);
void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
			     struct fcoe_task_ctx_entry *task,
			     u8 num_rq);
void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
			      struct fcoe_task_ctx_entry *task,
			      u8 num_rq);
void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
			   struct fcp_cmnd *fcp_cmnd);


void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
				      struct fc_frame *fp, unsigned int op,
				      void (*resp)(struct fc_seq *,
						   struct fc_frame *,
						   void *),
				      void *arg, u32 timeout);
void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
					     u32 port_id);
void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
				   unsigned char *buf,
				   u32 frame_len, u16 l2_oxid);
int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
				      struct fcoe_task_ctx_entry *task,
				      u8 rx_state);
int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
				enum fc_rctl r_ctl);


#include "bnx2fc_debug.h"

#endif
Commit	Line	Data
853e2bd2 BG	1	#ifndef _BNX2FC_H_
	2	#define _BNX2FC_H_
	3	/* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver.
	4	*
9b35baae	5	* Copyright (c) 2008 - 2011 Broadcom Corporation
853e2bd2 BG	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation.
	10	*
	11	* Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
	12	*/
	13
3db8cc10 JP	14	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
3db8cc10 JP	15
853e2bd2 BG	16	#include <linux/module.h>
	17	#include <linux/moduleparam.h>
	18	#include <linux/kernel.h>
	19	#include <linux/skbuff.h>
	20	#include <linux/netdevice.h>
	21	#include <linux/etherdevice.h>
	22	#include <linux/if_ether.h>
	23	#include <linux/if_vlan.h>
	24	#include <linux/kthread.h>
	25	#include <linux/crc32.h>
	26	#include <linux/cpu.h>
	27	#include <linux/types.h>
	28	#include <linux/list.h>
	29	#include <linux/delay.h>
	30	#include <linux/timer.h>
	31	#include <linux/errno.h>
	32	#include <linux/pci.h>
	33	#include <linux/init.h>
	34	#include <linux/dma-mapping.h>
	35	#include <linux/workqueue.h>
	36	#include <linux/mutex.h>
	37	#include <linux/spinlock.h>
	38	#include <linux/bitops.h>
	39	#include <linux/log2.h>
	40	#include <linux/interrupt.h>
	41	#include <linux/sched.h>
	42	#include <linux/io.h>
	43
	44	#include <scsi/scsi.h>
	45	#include <scsi/scsi_host.h>
	46	#include <scsi/scsi_device.h>
	47	#include <scsi/scsi_cmnd.h>
	48	#include <scsi/scsi_eh.h>
	49	#include <scsi/scsi_tcq.h>
	50	#include <scsi/libfc.h>
	51	#include <scsi/libfcoe.h>
	52	#include <scsi/fc_encode.h>
	53	#include <scsi/scsi_transport.h>
	54	#include <scsi/scsi_transport_fc.h>
	55	#include <scsi/fc/fc_fip.h>
	56	#include <scsi/fc/fc_fc2.h>
	57	#include <scsi/fc_frame.h>
	58	#include <scsi/fc/fc_fcoe.h>
	59	#include <scsi/fc/fc_fcp.h>
	60
	61	#include "57xx_hsi_bnx2fc.h"
adfc5217	62	#include "../../net/ethernet/broadcom/cnic_if.h"
2e499d3c	63	#include "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
853e2bd2 BG	64	#include "bnx2fc_constants.h"
	65
	66	#define BNX2FC_NAME "bnx2fc"
2b82d825	67	#define BNX2FC_VERSION "1.0.13"
853e2bd2 BG	68
	69	#define PFX "bnx2fc: "
	70
	71	#define BNX2X_DOORBELL_PCI_BAR 2
	72
	73	#define BNX2FC_MAX_BD_LEN 0xffff
	74	#define BNX2FC_BD_SPLIT_SZ 0x8000
	75	#define BNX2FC_MAX_BDS_PER_CMD 256
	76
	77	#define BNX2FC_SQ_WQES_MAX 256
	78
	79	#define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8)
	80	#define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2)
	81	#define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1)
	82
	83	#define BNX2FC_RQ_WQES_MAX 16
	84	#define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
	85
dc219a2e	86	#define BNX2FC_NUM_MAX_SESS 1024
853e2bd2 BG	87	#define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
853e2bd2 BG	88
2e499d3c BW	89	#define BNX2FC_MAX_NPIV 256
2e499d3c BW	90
0ea5c275 BG	91	#define BNX2FC_MAX_OUTSTANDING_CMNDS 2048
	92	#define BNX2FC_CAN_QUEUE BNX2FC_MAX_OUTSTANDING_CMNDS
	93	#define BNX2FC_ELSTM_XIDS BNX2FC_CAN_QUEUE
853e2bd2 BG	94	#define BNX2FC_MIN_PAYLOAD 256
853e2bd2 BG	95	#define BNX2FC_MAX_PAYLOAD 2048
1294bfe6 BG	96	#define BNX2FC_MFS \
	97	(BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
	98	#define BNX2FC_MINI_JUMBO_MTU 2500
	99
853e2bd2 BG	100
	101	#define BNX2FC_RQ_BUF_SZ 256
	102	#define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ))
	103
	104	#define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe))
	105	#define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe))
	106	#define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ)
	107	#define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe))
	108	#define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe))
	109	#define BNX2FC_5771X_DB_PAGE_SIZE 128
	110
0ea5c275 BG	111	#define BNX2FC_MAX_TASKS \
0ea5c275 BG	112	(BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS)
853e2bd2 BG	113	#define BNX2FC_TASK_SIZE 128
	114	#define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE)
	115	#define BNX2FC_TASK_CTX_ARR_SZ (BNX2FC_MAX_TASKS/BNX2FC_TASKS_PER_PAGE)
	116
	117	#define BNX2FC_MAX_ROWS_IN_HASH_TBL 8
	118	#define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024)
	119
	120	#define BNX2FC_MAX_SEQS 255
44c570b5 BPG	121	#define BNX2FC_MAX_RETRY_CNT 3
44c570b5 BPG	122	#define BNX2FC_MAX_RPORT_RETRY_CNT 255
853e2bd2 BG	123
	124	#define BNX2FC_READ (1 << 1)
	125	#define BNX2FC_WRITE (1 << 0)
	126
	127	#define BNX2FC_MIN_XID 0
0ea5c275 BG	128	#define BNX2FC_MAX_XID \
0ea5c275 BG	129	(BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1)
7d742f65	130	#define FCOE_MAX_NUM_XIDS 0x2000
0ea5c275	131	#define FCOE_MIN_XID (BNX2FC_MAX_XID + 1)
7d742f65 BPG	132	#define FCOE_MAX_XID (FCOE_MIN_XID + FCOE_MAX_NUM_XIDS - 1)
7d742f65 BPG	133	#define FCOE_XIDS_PER_CPU (FCOE_MIN_XID + (512 * nr_cpu_ids) - 1)
853e2bd2 BG	134	#define BNX2FC_MAX_LUN 0xFFFF
	135	#define BNX2FC_MAX_FCP_TGT 256
	136	#define BNX2FC_MAX_CMD_LEN 16
	137
	138	#define BNX2FC_TM_TIMEOUT 60 /* secs */
	139	#define BNX2FC_IO_TIMEOUT 20000UL /* msecs */
	140
befc9b4d	141	#define BNX2FC_WAIT_CNT 1200
853e2bd2	142	#define BNX2FC_FW_TIMEOUT (3 * HZ)
853e2bd2 BG	143	#define PORT_MAX 2
	144
	145	#define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status)
	146
	147	/* FC FCP Status */
	148	#define FC_GOOD 0
	149
	150	#define BNX2FC_RNID_HBA 0x7
	151
74446954 BPG	152	#define SRR_RETRY_COUNT 5
74446954 BPG	153	#define REC_RETRY_COUNT 1
7b594769	154	#define BNX2FC_NUM_ERR_BITS 63
74446954	155
99cc600c BPG	156	#define BNX2FC_RELOGIN_WAIT_TIME 200
	157	#define BNX2FC_RELOGIN_WAIT_CNT 10
	158
f246fe2a BPG	159	#define BNX2FC_STATS(hba, stat, cnt) \
	160	do { \
	161	u32 val; \
	162	\
	163	val = fw_stats->stat.cnt; \
	164	if (hba->prev_stats.stat.cnt <= val) \
	165	val -= hba->prev_stats.stat.cnt; \
	166	else \
	167	val += (0xfffffff - hba->prev_stats.stat.cnt); \
	168	hba->bfw_stats.cnt += val; \
	169	} while (0)
	170
853e2bd2 BG	171	/* bnx2fc driver uses only one instance of fcoe_percpu_s */
	172	extern struct fcoe_percpu_s bnx2fc_global;
	173
	174	extern struct workqueue_struct *bnx2fc_wq;
	175
	176	struct bnx2fc_percpu_s {
	177	struct task_struct *iothread;
	178	struct list_head work_list;
	179	spinlock_t fp_work_lock;
	180	};
	181
f246fe2a BPG	182	struct bnx2fc_fw_stats {
	183	u64 fc_crc_cnt;
	184	u64 fcoe_tx_pkt_cnt;
	185	u64 fcoe_rx_pkt_cnt;
	186	u64 fcoe_tx_byte_cnt;
	187	u64 fcoe_rx_byte_cnt;
	188	};
	189
853e2bd2	190	struct bnx2fc_hba {
aea71a02	191	struct list_head list;
853e2bd2 BG	192	struct cnic_dev *cnic;
853e2bd2 BG	193	struct pci_dev *pcidev;
853e2bd2 BG	194	struct net_device *phys_dev;
	195	unsigned long reg_with_cnic;
	196	#define BNX2FC_CNIC_REGISTERED 1
853e2bd2	197	struct bnx2fc_cmd_mgr *cmd_mgr;
853e2bd2 BG	198	spinlock_t hba_lock;
	199	struct mutex hba_mutex;
	200	unsigned long adapter_state;
	201	#define ADAPTER_STATE_UP 0
	202	#define ADAPTER_STATE_GOING_DOWN 1
	203	#define ADAPTER_STATE_LINK_DOWN 2
	204	#define ADAPTER_STATE_READY 3
aea71a02 BPG	205	unsigned long flags;
	206	#define BNX2FC_FLAG_FW_INIT_DONE 0
	207	#define BNX2FC_FLAG_DESTROY_CMPL 1
853e2bd2 BG	208	u32 next_conn_id;
	209	struct fcoe_task_ctx_entry **task_ctx;
	210	dma_addr_t *task_ctx_dma;
	211	struct regpair *task_ctx_bd_tbl;
	212	dma_addr_t task_ctx_bd_dma;
	213
	214	int hash_tbl_segment_count;
	215	void **hash_tbl_segments;
	216	void *hash_tbl_pbl;
	217	dma_addr_t hash_tbl_pbl_dma;
	218	struct fcoe_t2_hash_table_entry *t2_hash_tbl;
	219	dma_addr_t t2_hash_tbl_dma;
	220	char *t2_hash_tbl_ptr;
	221	dma_addr_t t2_hash_tbl_ptr_dma;
	222
	223	char *dummy_buffer;
	224	dma_addr_t dummy_buf_dma;
	225
aea71a02 BPG	226	/* Active list of offloaded sessions */
	227	struct bnx2fc_rport **tgt_ofld_list;
	228
	229	/* statistics */
f246fe2a BPG	230	struct bnx2fc_fw_stats bfw_stats;
f246fe2a BPG	231	struct fcoe_statistics_params prev_stats;
853e2bd2 BG	232	struct fcoe_statistics_params *stats_buffer;
853e2bd2 BG	233	dma_addr_t stats_buf_dma;
aea71a02	234	struct completion stat_req_done;
2e499d3c	235	struct fcoe_capabilities fcoe_cap;
853e2bd2 BG	236
	237	/destroy handling /
	238	struct timer_list destroy_timer;
	239	wait_queue_head_t destroy_wait;
	240
aea71a02 BPG	241	/* linkdown handling */
	242	wait_queue_head_t shutdown_wait;
	243	int wait_for_link_down;
853e2bd2	244	int num_ofld_sess;
aea71a02 BPG	245	struct list_head vports;
aea71a02 BPG	246	};
853e2bd2	247
aea71a02 BPG	248	struct bnx2fc_interface {
	249	struct list_head list;
	250	unsigned long if_flags;
	251	#define BNX2FC_CTLR_INIT_DONE 0
	252	struct bnx2fc_hba *hba;
	253	struct net_device *netdev;
	254	struct packet_type fcoe_packet_type;
	255	struct packet_type fip_packet_type;
	256	struct workqueue_struct *timer_work_queue;
	257	struct kref kref;
aea71a02 BPG	258	u8 vlan_enabled;
aea71a02 BPG	259	int vlan_id;
8a5badf1	260	bool enabled;
853e2bd2 BG	261	};
853e2bd2 BG	262
fd8f8902 RL	263	#define bnx2fc_from_ctlr(x) \
	264	((struct bnx2fc_interface *)((x) + 1))
	265
	266	#define bnx2fc_to_ctlr(x) \
	267	((struct fcoe_ctlr )(((struct fcoe_ctlr )(x)) - 1))
853e2bd2	268
d36b3279 BPG	269	struct bnx2fc_lport {
	270	struct list_head list;
	271	struct fc_lport *lport;
	272	};
	273
853e2bd2 BG	274	struct bnx2fc_cmd_mgr {
	275	struct bnx2fc_hba *hba;
	276	u16 next_idx;
	277	struct list_head *free_list;
	278	spinlock_t *free_list_lock;
	279	struct io_bdt **io_bdt_pool;
	280	struct bnx2fc_cmd **cmds;
	281	};
	282
	283	struct bnx2fc_rport {
	284	struct fcoe_port *port;
	285	struct fc_rport *rport;
	286	struct fc_rport_priv *rdata;
	287	void __iomem *ctx_base;
	288	#define DPM_TRIGER_TYPE 0x40
b252f4c7	289	u32 io_timeout;
853e2bd2 BG	290	u32 fcoe_conn_id;
	291	u32 context_id;
	292	u32 sid;
b252f4c7	293	int dev_type;
853e2bd2 BG	294
	295	unsigned long flags;
	296	#define BNX2FC_FLAG_SESSION_READY 0x1
	297	#define BNX2FC_FLAG_OFFLOADED 0x2
	298	#define BNX2FC_FLAG_DISABLED 0x3
	299	#define BNX2FC_FLAG_DESTROYED 0x4
	300	#define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5
aea71a02 BPG	301	#define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6
	302	#define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7
	303	#define BNX2FC_FLAG_EXPL_LOGO 0x8
5c17ae21	304	#define BNX2FC_FLAG_DISABLE_FAILED 0x9
e7f4fed5	305	#define BNX2FC_FLAG_ENABLED 0xa
853e2bd2	306
619c5cb6	307	u8 src_addr[ETH_ALEN];
853e2bd2 BG	308	u32 max_sqes;
	309	u32 max_rqes;
	310	u32 max_cqes;
619c5cb6 VZ	311	atomic_t free_sqes;
	312
	313	struct b577xx_doorbell_set_prod sq_db;
	314	struct b577xx_fcoe_rx_doorbell rx_db;
853e2bd2 BG	315
	316	struct fcoe_sqe *sq;
	317	dma_addr_t sq_dma;
	318	u16 sq_prod_idx;
	319	u8 sq_curr_toggle_bit;
	320	u32 sq_mem_size;
	321
	322	struct fcoe_cqe *cq;
	323	dma_addr_t cq_dma;
619c5cb6	324	u16 cq_cons_idx;
853e2bd2 BG	325	u8 cq_curr_toggle_bit;
	326	u32 cq_mem_size;
	327
	328	void *rq;
	329	dma_addr_t rq_dma;
	330	u32 rq_prod_idx;
	331	u32 rq_cons_idx;
	332	u32 rq_mem_size;
	333
	334	void *rq_pbl;
	335	dma_addr_t rq_pbl_dma;
	336	u32 rq_pbl_size;
	337
	338	struct fcoe_xfrqe *xferq;
	339	dma_addr_t xferq_dma;
	340	u32 xferq_mem_size;
	341
	342	struct fcoe_confqe *confq;
	343	dma_addr_t confq_dma;
	344	u32 confq_mem_size;
	345
	346	void *confq_pbl;
	347	dma_addr_t confq_pbl_dma;
	348	u32 confq_pbl_size;
	349
	350	struct fcoe_conn_db *conn_db;
	351	dma_addr_t conn_db_dma;
	352	u32 conn_db_mem_size;
	353
	354	struct fcoe_sqe *lcq;
	355	dma_addr_t lcq_dma;
	356	u32 lcq_mem_size;
	357
	358	void *ofld_req[4];
	359	dma_addr_t ofld_req_dma[4];
	360	void *enbl_req;
	361	dma_addr_t enbl_req_dma;
	362
	363	spinlock_t tgt_lock;
	364	spinlock_t cq_lock;
	365	atomic_t num_active_ios;
	366	u32 flush_in_prog;
853e2bd2 BG	367	unsigned long timestamp;
	368	struct list_head free_task_list;
	369	struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
853e2bd2 BG	370	struct list_head active_cmd_queue;
	371	struct list_head els_queue;
	372	struct list_head io_retire_queue;
	373	struct list_head active_tm_queue;
	374
	375	struct timer_list ofld_timer;
	376	wait_queue_head_t ofld_wait;
	377
	378	struct timer_list upld_timer;
	379	wait_queue_head_t upld_wait;
	380	};
	381
	382	struct bnx2fc_mp_req {
	383	u8 tm_flags;
	384
	385	u32 req_len;
	386	void *req_buf;
	387	dma_addr_t req_buf_dma;
	388	struct fcoe_bd_ctx *mp_req_bd;
	389	dma_addr_t mp_req_bd_dma;
	390	struct fc_frame_header req_fc_hdr;
	391
	392	u32 resp_len;
	393	void *resp_buf;
	394	dma_addr_t resp_buf_dma;
	395	struct fcoe_bd_ctx *mp_resp_bd;
	396	dma_addr_t mp_resp_bd_dma;
	397	struct fc_frame_header resp_fc_hdr;
	398	};
	399
	400	struct bnx2fc_els_cb_arg {
	401	struct bnx2fc_cmd *aborted_io_req;
	402	struct bnx2fc_cmd *io_req;
	403	u16 l2_oxid;
6c5a7ce4 BPG	404	u32 offset;
6c5a7ce4 BPG	405	enum fc_rctl r_ctl;
853e2bd2 BG	406	};
	407
	408	/* bnx2fc command structure */
	409	struct bnx2fc_cmd {
	410	struct list_head link;
	411	u8 on_active_queue;
	412	u8 on_tmf_queue;
	413	u8 cmd_type;
	414	#define BNX2FC_SCSI_CMD 1
	415	#define BNX2FC_TASK_MGMT_CMD 2
	416	#define BNX2FC_ABTS 3
	417	#define BNX2FC_ELS 4
	418	#define BNX2FC_CLEANUP 5
6c5a7ce4	419	#define BNX2FC_SEQ_CLEANUP 6
853e2bd2 BG	420	u8 io_req_flags;
	421	struct kref refcount;
	422	struct fcoe_port *port;
	423	struct bnx2fc_rport *tgt;
	424	struct scsi_cmnd *sc_cmd;
	425	struct bnx2fc_cmd_mgr *cmd_mgr;
	426	struct bnx2fc_mp_req mp_req;
	427	void (cb_func)(struct bnx2fc_els_cb_arg cb_arg);
	428	struct bnx2fc_els_cb_arg *cb_arg;
	429	struct delayed_work timeout_work; /* timer for ULP timeouts */
	430	struct completion tm_done;
	431	int wait_for_comp;
	432	u16 xid;
74446954	433	struct fcoe_err_report_entry err_entry;
853e2bd2 BG	434	struct fcoe_task_ctx_entry *task;
	435	struct io_bdt *bd_tbl;
	436	struct fcp_rsp *rsp;
	437	size_t data_xfer_len;
	438	unsigned long req_flags;
	439	#define BNX2FC_FLAG_ISSUE_RRQ 0x1
	440	#define BNX2FC_FLAG_ISSUE_ABTS 0x2
	441	#define BNX2FC_FLAG_ABTS_DONE 0x3
	442	#define BNX2FC_FLAG_TM_COMPL 0x4
	443	#define BNX2FC_FLAG_TM_TIMEOUT 0x5
	444	#define BNX2FC_FLAG_IO_CLEANUP 0x6
	445	#define BNX2FC_FLAG_RETIRE_OXID 0x7
	446	#define BNX2FC_FLAG_EH_ABORT 0x8
	447	#define BNX2FC_FLAG_IO_COMPL 0x9
	448	#define BNX2FC_FLAG_ELS_DONE 0xa
	449	#define BNX2FC_FLAG_ELS_TIMEOUT 0xb
74446954 BPG	450	#define BNX2FC_FLAG_CMD_LOST 0xc
	451	#define BNX2FC_FLAG_SRR_SENT 0xd
	452	u8 rec_retry;
	453	u8 srr_retry;
	454	u32 srr_offset;
	455	u8 srr_rctl;
853e2bd2 BG	456	u32 fcp_resid;
	457	u32 fcp_rsp_len;
	458	u32 fcp_sns_len;
	459	u8 cdb_status; /* SCSI IO status */
	460	u8 fcp_status; /* FCP IO status */
	461	u8 fcp_rsp_code;
	462	u8 scsi_comp_flags;
	463	};
	464
	465	struct io_bdt {
	466	struct bnx2fc_cmd *io_req;
	467	struct fcoe_bd_ctx *bd_tbl;
	468	dma_addr_t bd_tbl_dma;
	469	u16 bd_valid;
	470	};
	471
	472	struct bnx2fc_work {
	473	struct list_head list;
	474	struct bnx2fc_rport *tgt;
	475	u16 wqe;
	476	};
	477	struct bnx2fc_unsol_els {
	478	struct fc_lport *lport;
	479	struct fc_frame *fp;
d36b3279	480	struct bnx2fc_hba *hba;
853e2bd2 BG	481	struct work_struct unsol_els_work;
	482	};
	483
	484
	485
74446954	486	struct bnx2fc_cmd bnx2fc_cmd_alloc(struct bnx2fc_rport tgt);
853e2bd2 BG	487	struct bnx2fc_cmd bnx2fc_elstm_alloc(struct bnx2fc_rport tgt, int type);
	488	void bnx2fc_cmd_release(struct kref *ref);
	489	int bnx2fc_queuecommand(struct Scsi_Host host, struct scsi_cmnd sc_cmd);
	490	int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
	491	int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
	492	int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
	493	struct bnx2fc_rport *tgt);
e7f4fed5 BPG	494	int bnx2fc_send_session_enable_req(struct fcoe_port *port,
e7f4fed5 BPG	495	struct bnx2fc_rport *tgt);
853e2bd2 BG	496	int bnx2fc_send_session_disable_req(struct fcoe_port *port,
	497	struct bnx2fc_rport *tgt);
	498	int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
	499	struct bnx2fc_rport *tgt);
	500	int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
	501	void bnx2fc_indicate_kcqe(void context, struct kcqe kcq[],
	502	u32 num_cqe);
	503	int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
	504	void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
	505	int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
	506	void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
	507	struct bnx2fc_cmd_mgr bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba hba,
	508	u16 min_xid, u16 max_xid);
	509	void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
	510	void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
	511	char bnx2fc_get_next_rqe(struct bnx2fc_rport tgt, u8 num_items);
	512	void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
	513	int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
	514	int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
	515	int bnx2fc_send_adisc(struct bnx2fc_rport tgt, struct fc_frame fp);
	516	int bnx2fc_send_logo(struct bnx2fc_rport tgt, struct fc_frame fp);
	517	int bnx2fc_send_rls(struct bnx2fc_rport tgt, struct fc_frame fp);
	518	int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
	519	int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
	520	void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
	521	unsigned int timer_msec);
	522	int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
	523	void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
	524	struct fcoe_task_ctx_entry *task,
	525	u16 orig_xid);
6c5a7ce4 BPG	526	void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
	527	struct fcoe_task_ctx_entry *task,
	528	struct bnx2fc_cmd *orig_io_req,
	529	u32 offset);
853e2bd2 BG	530	void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
	531	struct fcoe_task_ctx_entry *task);
	532	void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
	533	struct fcoe_task_ctx_entry *task);
	534	void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
	535	void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
	536	int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
	537	int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
	538	int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
	539	int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
	540	void bnx2fc_rport_event_handler(struct fc_lport *lport,
	541	struct fc_rport_priv *rport,
	542	enum fc_rport_event event);
	543	void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
	544	struct fcoe_task_ctx_entry *task,
	545	u8 num_rq);
	546	void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
	547	struct fcoe_task_ctx_entry *task,
	548	u8 num_rq);
	549	void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
	550	struct fcoe_task_ctx_entry *task,
	551	u8 num_rq);
	552	void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
	553	struct fcoe_task_ctx_entry *task,
	554	u8 num_rq);
	555	void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
	556	struct fcoe_task_ctx_entry *task,
	557	u8 num_rq);
	558	void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
	559	struct fcp_cmnd *fcp_cmnd);
	560
	561
	562
	563	void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
	564	struct fc_seq bnx2fc_elsct_send(struct fc_lport lport, u32 did,
	565	struct fc_frame *fp, unsigned int op,
	566	void (resp)(struct fc_seq ,
	567	struct fc_frame *,
	568	void *),
	569	void *arg, u32 timeout);
619c5cb6	570	void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
853e2bd2 BG	571	int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
	572	void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
	573	struct bnx2fc_rport bnx2fc_tgt_lookup(struct fcoe_port port,
	574	u32 port_id);
	575	void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
	576	unsigned char *buf,
	577	u32 frame_len, u16 l2_oxid);
	578	int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
74446954	579	int bnx2fc_post_io_req(struct bnx2fc_rport tgt, struct bnx2fc_cmd io_req);
6c5a7ce4 BPG	580	int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
	581	int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
	582	void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
	583	struct fcoe_task_ctx_entry *task,
	584	u8 rx_state);
	585	int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
	586	enum fc_rctl r_ctl);
853e2bd2	587
3db8cc10 JP	588
	589	#include "bnx2fc_debug.h"
	590
853e2bd2	591	#endif