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

/* bnx2fc.h: QLogic Linux FCoE offload driver.
 *
 * Copyright (c) 2008-2013 Broadcom Corporation
 * Copyright (c) 2014-2015 QLogic 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)
 */

#ifndef _BNX2FC_H_
#define _BNX2FC_H_
#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/signal.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		"2.10.3"

#define PFX			"bnx2fc: "

#define BCM_CHIP_LEN		16

#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_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 BNX2X_DB_SHIFT			3

#define BNX2FC_TASK_SIZE		128
#define	BNX2FC_TASKS_PER_PAGE		(PAGE_SIZE/BNX2FC_TASK_SIZE)

#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 FCOE_MAX_NUM_XIDS		0x2000
#define FCOE_MAX_XID_OFFSET		(FCOE_MAX_NUM_XIDS - 1)
#define FCOE_XIDS_PER_CPU_OFFSET	((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;

	/* xid resources */
	u16 max_xid;
	u32 max_tasks;
	u32 max_outstanding_cmds;
	u32 elstm_xids;

	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;

	char chip_num[BCM_CHIP_LEN];
};

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;
	u8 tm_timeout;
};

#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_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;
	unsigned long retry_delay_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);
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
de909d87	1	/* bnx2fc.h: QLogic Linux FCoE offload driver.
853e2bd2	2	*
97586090 CD	3	* Copyright (c) 2008-2013 Broadcom Corporation
97586090 CD	4	* Copyright (c) 2014-2015 QLogic Corporation
853e2bd2 BG	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation.
	9	*
	10	* Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
	11	*/
	12
17d87c45 SK	13	#ifndef _BNX2FC_H_
17d87c45 SK	14	#define _BNX2FC_H_
3db8cc10 JP	15	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
3db8cc10 JP	16
853e2bd2 BG	17	#include <linux/module.h>
	18	#include <linux/moduleparam.h>
	19	#include <linux/kernel.h>
	20	#include <linux/skbuff.h>
	21	#include <linux/netdevice.h>
	22	#include <linux/etherdevice.h>
	23	#include <linux/if_ether.h>
	24	#include <linux/if_vlan.h>
	25	#include <linux/kthread.h>
	26	#include <linux/crc32.h>
	27	#include <linux/cpu.h>
	28	#include <linux/types.h>
	29	#include <linux/list.h>
	30	#include <linux/delay.h>
	31	#include <linux/timer.h>
	32	#include <linux/errno.h>
	33	#include <linux/pci.h>
	34	#include <linux/init.h>
	35	#include <linux/dma-mapping.h>
	36	#include <linux/workqueue.h>
	37	#include <linux/mutex.h>
	38	#include <linux/spinlock.h>
	39	#include <linux/bitops.h>
	40	#include <linux/log2.h>
	41	#include <linux/interrupt.h>
3f07c014	42	#include <linux/sched/signal.h>
853e2bd2 BG	43	#include <linux/io.h>
	44
	45	#include <scsi/scsi.h>
	46	#include <scsi/scsi_host.h>
	47	#include <scsi/scsi_device.h>
	48	#include <scsi/scsi_cmnd.h>
	49	#include <scsi/scsi_eh.h>
	50	#include <scsi/scsi_tcq.h>
	51	#include <scsi/libfc.h>
	52	#include <scsi/libfcoe.h>
	53	#include <scsi/fc_encode.h>
	54	#include <scsi/scsi_transport.h>
	55	#include <scsi/scsi_transport_fc.h>
	56	#include <scsi/fc/fc_fip.h>
	57	#include <scsi/fc/fc_fc2.h>
	58	#include <scsi/fc_frame.h>
	59	#include <scsi/fc/fc_fcoe.h>
	60	#include <scsi/fc/fc_fcp.h>
	61
	62	#include "57xx_hsi_bnx2fc.h"
adfc5217	63	#include "../../net/ethernet/broadcom/cnic_if.h"
2e499d3c	64	#include "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
853e2bd2 BG	65	#include "bnx2fc_constants.h"
	66
	67	#define BNX2FC_NAME "bnx2fc"
63f21677	68	#define BNX2FC_VERSION "2.10.3"
853e2bd2 BG	69
	70	#define PFX "bnx2fc: "
	71
c13d2b6d BPG	72	#define BCM_CHIP_LEN 16
c13d2b6d BPG	73
853e2bd2 BG	74	#define BNX2X_DOORBELL_PCI_BAR 2
	75
	76	#define BNX2FC_MAX_BD_LEN 0xffff
	77	#define BNX2FC_BD_SPLIT_SZ 0x8000
	78	#define BNX2FC_MAX_BDS_PER_CMD 256
	79
	80	#define BNX2FC_SQ_WQES_MAX 256
	81
	82	#define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8)
	83	#define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2)
	84	#define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1)
	85
	86	#define BNX2FC_RQ_WQES_MAX 16
	87	#define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
	88
dc219a2e	89	#define BNX2FC_NUM_MAX_SESS 1024
853e2bd2 BG	90	#define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
853e2bd2 BG	91
2e499d3c BW	92	#define BNX2FC_MAX_NPIV 256
2e499d3c BW	93
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))
f78afb35	109	#define BNX2X_DB_SHIFT 3
853e2bd2	110
853e2bd2 BG	111	#define BNX2FC_TASK_SIZE 128
853e2bd2 BG	112	#define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE)
853e2bd2 BG	113
	114	#define BNX2FC_MAX_ROWS_IN_HASH_TBL 8
	115	#define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024)
	116
	117	#define BNX2FC_MAX_SEQS 255
44c570b5 BPG	118	#define BNX2FC_MAX_RETRY_CNT 3
44c570b5 BPG	119	#define BNX2FC_MAX_RPORT_RETRY_CNT 255
853e2bd2 BG	120
	121	#define BNX2FC_READ (1 << 1)
	122	#define BNX2FC_WRITE (1 << 0)
	123
	124	#define BNX2FC_MIN_XID 0
7d742f65	125	#define FCOE_MAX_NUM_XIDS 0x2000
0eb43b4b BPG	126	#define FCOE_MAX_XID_OFFSET (FCOE_MAX_NUM_XIDS - 1)
0eb43b4b BPG	127	#define FCOE_XIDS_PER_CPU_OFFSET ((512 * nr_cpu_ids) - 1)
853e2bd2 BG	128	#define BNX2FC_MAX_LUN 0xFFFF
	129	#define BNX2FC_MAX_FCP_TGT 256
	130	#define BNX2FC_MAX_CMD_LEN 16
	131
	132	#define BNX2FC_TM_TIMEOUT 60 /* secs */
	133	#define BNX2FC_IO_TIMEOUT 20000UL /* msecs */
	134
befc9b4d	135	#define BNX2FC_WAIT_CNT 1200
853e2bd2	136	#define BNX2FC_FW_TIMEOUT (3 * HZ)
853e2bd2 BG	137	#define PORT_MAX 2
	138
	139	#define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status)
	140
	141	/* FC FCP Status */
	142	#define FC_GOOD 0
	143
	144	#define BNX2FC_RNID_HBA 0x7
	145
74446954 BPG	146	#define SRR_RETRY_COUNT 5
74446954 BPG	147	#define REC_RETRY_COUNT 1
7b594769	148	#define BNX2FC_NUM_ERR_BITS 63
74446954	149
99cc600c BPG	150	#define BNX2FC_RELOGIN_WAIT_TIME 200
	151	#define BNX2FC_RELOGIN_WAIT_CNT 10
	152
f246fe2a BPG	153	#define BNX2FC_STATS(hba, stat, cnt) \
	154	do { \
	155	u32 val; \
	156	\
	157	val = fw_stats->stat.cnt; \
	158	if (hba->prev_stats.stat.cnt <= val) \
	159	val -= hba->prev_stats.stat.cnt; \
	160	else \
	161	val += (0xfffffff - hba->prev_stats.stat.cnt); \
	162	hba->bfw_stats.cnt += val; \
	163	} while (0)
	164
853e2bd2 BG	165	/* bnx2fc driver uses only one instance of fcoe_percpu_s */
	166	extern struct fcoe_percpu_s bnx2fc_global;
	167
	168	extern struct workqueue_struct *bnx2fc_wq;
	169
	170	struct bnx2fc_percpu_s {
	171	struct task_struct *iothread;
	172	struct list_head work_list;
	173	spinlock_t fp_work_lock;
	174	};
	175
f246fe2a BPG	176	struct bnx2fc_fw_stats {
	177	u64 fc_crc_cnt;
	178	u64 fcoe_tx_pkt_cnt;
	179	u64 fcoe_rx_pkt_cnt;
	180	u64 fcoe_tx_byte_cnt;
	181	u64 fcoe_rx_byte_cnt;
	182	};
	183
853e2bd2	184	struct bnx2fc_hba {
aea71a02	185	struct list_head list;
853e2bd2 BG	186	struct cnic_dev *cnic;
853e2bd2 BG	187	struct pci_dev *pcidev;
853e2bd2 BG	188	struct net_device *phys_dev;
	189	unsigned long reg_with_cnic;
	190	#define BNX2FC_CNIC_REGISTERED 1
853e2bd2	191	struct bnx2fc_cmd_mgr *cmd_mgr;
853e2bd2 BG	192	spinlock_t hba_lock;
	193	struct mutex hba_mutex;
	194	unsigned long adapter_state;
	195	#define ADAPTER_STATE_UP 0
	196	#define ADAPTER_STATE_GOING_DOWN 1
	197	#define ADAPTER_STATE_LINK_DOWN 2
	198	#define ADAPTER_STATE_READY 3
aea71a02 BPG	199	unsigned long flags;
	200	#define BNX2FC_FLAG_FW_INIT_DONE 0
	201	#define BNX2FC_FLAG_DESTROY_CMPL 1
853e2bd2	202	u32 next_conn_id;
0eb43b4b BPG	203
	204	/* xid resources */
	205	u16 max_xid;
	206	u32 max_tasks;
	207	u32 max_outstanding_cmds;
	208	u32 elstm_xids;
	209
853e2bd2 BG	210	struct fcoe_task_ctx_entry **task_ctx;
	211	dma_addr_t *task_ctx_dma;
	212	struct regpair *task_ctx_bd_tbl;
	213	dma_addr_t task_ctx_bd_dma;
	214
	215	int hash_tbl_segment_count;
	216	void **hash_tbl_segments;
	217	void *hash_tbl_pbl;
	218	dma_addr_t hash_tbl_pbl_dma;
	219	struct fcoe_t2_hash_table_entry *t2_hash_tbl;
	220	dma_addr_t t2_hash_tbl_dma;
	221	char *t2_hash_tbl_ptr;
	222	dma_addr_t t2_hash_tbl_ptr_dma;
	223
	224	char *dummy_buffer;
	225	dma_addr_t dummy_buf_dma;
	226
aea71a02 BPG	227	/* Active list of offloaded sessions */
	228	struct bnx2fc_rport **tgt_ofld_list;
	229
	230	/* statistics */
f246fe2a BPG	231	struct bnx2fc_fw_stats bfw_stats;
f246fe2a BPG	232	struct fcoe_statistics_params prev_stats;
853e2bd2 BG	233	struct fcoe_statistics_params *stats_buffer;
853e2bd2 BG	234	dma_addr_t stats_buf_dma;
aea71a02	235	struct completion stat_req_done;
2e499d3c	236	struct fcoe_capabilities fcoe_cap;
853e2bd2 BG	237
	238	/destroy handling /
	239	struct timer_list destroy_timer;
	240	wait_queue_head_t destroy_wait;
	241
aea71a02 BPG	242	/* linkdown handling */
	243	wait_queue_head_t shutdown_wait;
	244	int wait_for_link_down;
853e2bd2	245	int num_ofld_sess;
aea71a02	246	struct list_head vports;
c13d2b6d BPG	247
c13d2b6d BPG	248	char chip_num[BCM_CHIP_LEN];
aea71a02	249	};
853e2bd2	250
aea71a02 BPG	251	struct bnx2fc_interface {
	252	struct list_head list;
	253	unsigned long if_flags;
	254	#define BNX2FC_CTLR_INIT_DONE 0
	255	struct bnx2fc_hba *hba;
	256	struct net_device *netdev;
	257	struct packet_type fcoe_packet_type;
	258	struct packet_type fip_packet_type;
	259	struct workqueue_struct *timer_work_queue;
	260	struct kref kref;
aea71a02 BPG	261	u8 vlan_enabled;
aea71a02 BPG	262	int vlan_id;
8a5badf1	263	bool enabled;
10755d3f	264	u8 tm_timeout;
853e2bd2 BG	265	};
853e2bd2 BG	266
fd8f8902 RL	267	#define bnx2fc_from_ctlr(x) \
	268	((struct bnx2fc_interface *)((x) + 1))
	269
	270	#define bnx2fc_to_ctlr(x) \
	271	((struct fcoe_ctlr )(((struct fcoe_ctlr )(x)) - 1))
853e2bd2	272
d36b3279 BPG	273	struct bnx2fc_lport {
	274	struct list_head list;
	275	struct fc_lport *lport;
	276	};
	277
853e2bd2 BG	278	struct bnx2fc_cmd_mgr {
	279	struct bnx2fc_hba *hba;
	280	u16 next_idx;
	281	struct list_head *free_list;
	282	spinlock_t *free_list_lock;
	283	struct io_bdt **io_bdt_pool;
	284	struct bnx2fc_cmd **cmds;
	285	};
	286
	287	struct bnx2fc_rport {
	288	struct fcoe_port *port;
	289	struct fc_rport *rport;
	290	struct fc_rport_priv *rdata;
	291	void __iomem *ctx_base;
	292	#define DPM_TRIGER_TYPE 0x40
b252f4c7	293	u32 io_timeout;
853e2bd2 BG	294	u32 fcoe_conn_id;
	295	u32 context_id;
	296	u32 sid;
b252f4c7	297	int dev_type;
853e2bd2 BG	298
	299	unsigned long flags;
	300	#define BNX2FC_FLAG_SESSION_READY 0x1
	301	#define BNX2FC_FLAG_OFFLOADED 0x2
	302	#define BNX2FC_FLAG_DISABLED 0x3
	303	#define BNX2FC_FLAG_DESTROYED 0x4
	304	#define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5
aea71a02 BPG	305	#define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6
aea71a02 BPG	306	#define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7
5c17ae21	307	#define BNX2FC_FLAG_DISABLE_FAILED 0x9
e7f4fed5	308	#define BNX2FC_FLAG_ENABLED 0xa
853e2bd2	309
619c5cb6	310	u8 src_addr[ETH_ALEN];
853e2bd2 BG	311	u32 max_sqes;
	312	u32 max_rqes;
	313	u32 max_cqes;
619c5cb6 VZ	314	atomic_t free_sqes;
	315
	316	struct b577xx_doorbell_set_prod sq_db;
	317	struct b577xx_fcoe_rx_doorbell rx_db;
853e2bd2 BG	318
	319	struct fcoe_sqe *sq;
	320	dma_addr_t sq_dma;
	321	u16 sq_prod_idx;
	322	u8 sq_curr_toggle_bit;
	323	u32 sq_mem_size;
	324
	325	struct fcoe_cqe *cq;
	326	dma_addr_t cq_dma;
619c5cb6	327	u16 cq_cons_idx;
853e2bd2 BG	328	u8 cq_curr_toggle_bit;
	329	u32 cq_mem_size;
	330
	331	void *rq;
	332	dma_addr_t rq_dma;
	333	u32 rq_prod_idx;
	334	u32 rq_cons_idx;
	335	u32 rq_mem_size;
	336
	337	void *rq_pbl;
	338	dma_addr_t rq_pbl_dma;
	339	u32 rq_pbl_size;
	340
	341	struct fcoe_xfrqe *xferq;
	342	dma_addr_t xferq_dma;
	343	u32 xferq_mem_size;
	344
	345	struct fcoe_confqe *confq;
	346	dma_addr_t confq_dma;
	347	u32 confq_mem_size;
	348
	349	void *confq_pbl;
	350	dma_addr_t confq_pbl_dma;
	351	u32 confq_pbl_size;
	352
	353	struct fcoe_conn_db *conn_db;
	354	dma_addr_t conn_db_dma;
	355	u32 conn_db_mem_size;
	356
	357	struct fcoe_sqe *lcq;
	358	dma_addr_t lcq_dma;
	359	u32 lcq_mem_size;
	360
	361	void *ofld_req[4];
	362	dma_addr_t ofld_req_dma[4];
	363	void *enbl_req;
	364	dma_addr_t enbl_req_dma;
	365
	366	spinlock_t tgt_lock;
	367	spinlock_t cq_lock;
	368	atomic_t num_active_ios;
	369	u32 flush_in_prog;
853e2bd2	370	unsigned long timestamp;
245a5754	371	unsigned long retry_delay_timestamp;
853e2bd2 BG	372	struct list_head free_task_list;
853e2bd2 BG	373	struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
853e2bd2 BG	374	struct list_head active_cmd_queue;
	375	struct list_head els_queue;
	376	struct list_head io_retire_queue;
	377	struct list_head active_tm_queue;
	378
	379	struct timer_list ofld_timer;
	380	wait_queue_head_t ofld_wait;
	381
	382	struct timer_list upld_timer;
	383	wait_queue_head_t upld_wait;
	384	};
	385
	386	struct bnx2fc_mp_req {
	387	u8 tm_flags;
	388
	389	u32 req_len;
	390	void *req_buf;
	391	dma_addr_t req_buf_dma;
	392	struct fcoe_bd_ctx *mp_req_bd;
	393	dma_addr_t mp_req_bd_dma;
	394	struct fc_frame_header req_fc_hdr;
	395
	396	u32 resp_len;
	397	void *resp_buf;
	398	dma_addr_t resp_buf_dma;
	399	struct fcoe_bd_ctx *mp_resp_bd;
	400	dma_addr_t mp_resp_bd_dma;
	401	struct fc_frame_header resp_fc_hdr;
	402	};
	403
	404	struct bnx2fc_els_cb_arg {
	405	struct bnx2fc_cmd *aborted_io_req;
	406	struct bnx2fc_cmd *io_req;
	407	u16 l2_oxid;
6c5a7ce4 BPG	408	u32 offset;
6c5a7ce4 BPG	409	enum fc_rctl r_ctl;
853e2bd2 BG	410	};
	411
	412	/* bnx2fc command structure */
	413	struct bnx2fc_cmd {
	414	struct list_head link;
	415	u8 on_active_queue;
	416	u8 on_tmf_queue;
	417	u8 cmd_type;
	418	#define BNX2FC_SCSI_CMD 1
	419	#define BNX2FC_TASK_MGMT_CMD 2
	420	#define BNX2FC_ABTS 3
	421	#define BNX2FC_ELS 4
	422	#define BNX2FC_CLEANUP 5
6c5a7ce4	423	#define BNX2FC_SEQ_CLEANUP 6
853e2bd2 BG	424	u8 io_req_flags;
	425	struct kref refcount;
	426	struct fcoe_port *port;
	427	struct bnx2fc_rport *tgt;
	428	struct scsi_cmnd *sc_cmd;
	429	struct bnx2fc_cmd_mgr *cmd_mgr;
	430	struct bnx2fc_mp_req mp_req;
	431	void (cb_func)(struct bnx2fc_els_cb_arg cb_arg);
	432	struct bnx2fc_els_cb_arg *cb_arg;
	433	struct delayed_work timeout_work; /* timer for ULP timeouts */
	434	struct completion tm_done;
	435	int wait_for_comp;
	436	u16 xid;
74446954	437	struct fcoe_err_report_entry err_entry;
853e2bd2 BG	438	struct fcoe_task_ctx_entry *task;
	439	struct io_bdt *bd_tbl;
	440	struct fcp_rsp *rsp;
	441	size_t data_xfer_len;
	442	unsigned long req_flags;
	443	#define BNX2FC_FLAG_ISSUE_RRQ 0x1
	444	#define BNX2FC_FLAG_ISSUE_ABTS 0x2
	445	#define BNX2FC_FLAG_ABTS_DONE 0x3
	446	#define BNX2FC_FLAG_TM_COMPL 0x4
	447	#define BNX2FC_FLAG_TM_TIMEOUT 0x5
	448	#define BNX2FC_FLAG_IO_CLEANUP 0x6
	449	#define BNX2FC_FLAG_RETIRE_OXID 0x7
	450	#define BNX2FC_FLAG_EH_ABORT 0x8
	451	#define BNX2FC_FLAG_IO_COMPL 0x9
	452	#define BNX2FC_FLAG_ELS_DONE 0xa
	453	#define BNX2FC_FLAG_ELS_TIMEOUT 0xb
74446954 BPG	454	#define BNX2FC_FLAG_CMD_LOST 0xc
	455	#define BNX2FC_FLAG_SRR_SENT 0xd
	456	u8 rec_retry;
	457	u8 srr_retry;
	458	u32 srr_offset;
	459	u8 srr_rctl;
853e2bd2 BG	460	u32 fcp_resid;
	461	u32 fcp_rsp_len;
	462	u32 fcp_sns_len;
	463	u8 cdb_status; /* SCSI IO status */
	464	u8 fcp_status; /* FCP IO status */
	465	u8 fcp_rsp_code;
	466	u8 scsi_comp_flags;
	467	};
	468
	469	struct io_bdt {
	470	struct bnx2fc_cmd *io_req;
	471	struct fcoe_bd_ctx *bd_tbl;
	472	dma_addr_t bd_tbl_dma;
	473	u16 bd_valid;
	474	};
	475
	476	struct bnx2fc_work {
	477	struct list_head list;
	478	struct bnx2fc_rport *tgt;
	479	u16 wqe;
	480	};
	481	struct bnx2fc_unsol_els {
	482	struct fc_lport *lport;
	483	struct fc_frame *fp;
d36b3279	484	struct bnx2fc_hba *hba;
853e2bd2 BG	485	struct work_struct unsol_els_work;
	486	};
	487
	488
	489
74446954	490	struct bnx2fc_cmd bnx2fc_cmd_alloc(struct bnx2fc_rport tgt);
853e2bd2 BG	491	struct bnx2fc_cmd bnx2fc_elstm_alloc(struct bnx2fc_rport tgt, int type);
	492	void bnx2fc_cmd_release(struct kref *ref);
	493	int bnx2fc_queuecommand(struct Scsi_Host host, struct scsi_cmnd sc_cmd);
	494	int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
	495	int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
	496	int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
	497	struct bnx2fc_rport *tgt);
e7f4fed5 BPG	498	int bnx2fc_send_session_enable_req(struct fcoe_port *port,
e7f4fed5 BPG	499	struct bnx2fc_rport *tgt);
853e2bd2 BG	500	int bnx2fc_send_session_disable_req(struct fcoe_port *port,
	501	struct bnx2fc_rport *tgt);
	502	int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
	503	struct bnx2fc_rport *tgt);
	504	int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
	505	void bnx2fc_indicate_kcqe(void context, struct kcqe kcq[],
	506	u32 num_cqe);
	507	int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
	508	void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
	509	int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
	510	void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
0eb43b4b	511	struct bnx2fc_cmd_mgr bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba hba);
853e2bd2 BG	512	void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
	513	void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
	514	char bnx2fc_get_next_rqe(struct bnx2fc_rport tgt, u8 num_items);
	515	void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
	516	int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
	517	int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
	518	int bnx2fc_send_adisc(struct bnx2fc_rport tgt, struct fc_frame fp);
	519	int bnx2fc_send_logo(struct bnx2fc_rport tgt, struct fc_frame fp);
	520	int bnx2fc_send_rls(struct bnx2fc_rport tgt, struct fc_frame fp);
	521	int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
	522	int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
	523	void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
	524	unsigned int timer_msec);
	525	int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
	526	void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
	527	struct fcoe_task_ctx_entry *task,
	528	u16 orig_xid);
6c5a7ce4 BPG	529	void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
	530	struct fcoe_task_ctx_entry *task,
	531	struct bnx2fc_cmd *orig_io_req,
	532	u32 offset);
853e2bd2 BG	533	void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
	534	struct fcoe_task_ctx_entry *task);
	535	void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
	536	struct fcoe_task_ctx_entry *task);
	537	void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
	538	void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
	539	int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
	540	int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
	541	int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
	542	int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
	543	void bnx2fc_rport_event_handler(struct fc_lport *lport,
	544	struct fc_rport_priv *rport,
	545	enum fc_rport_event event);
	546	void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
	547	struct fcoe_task_ctx_entry *task,
	548	u8 num_rq);
	549	void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
	550	struct fcoe_task_ctx_entry *task,
	551	u8 num_rq);
	552	void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
	553	struct fcoe_task_ctx_entry *task,
	554	u8 num_rq);
	555	void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
	556	struct fcoe_task_ctx_entry *task,
	557	u8 num_rq);
	558	void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
	559	struct fcoe_task_ctx_entry *task,
	560	u8 num_rq);
	561	void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
	562	struct fcp_cmnd *fcp_cmnd);
	563
	564
	565
	566	void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
	567	struct fc_seq bnx2fc_elsct_send(struct fc_lport lport, u32 did,
	568	struct fc_frame *fp, unsigned int op,
	569	void (resp)(struct fc_seq ,
	570	struct fc_frame *,
	571	void *),
	572	void *arg, u32 timeout);
619c5cb6	573	void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
853e2bd2 BG	574	int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
	575	void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
	576	struct bnx2fc_rport bnx2fc_tgt_lookup(struct fcoe_port port,
	577	u32 port_id);
	578	void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
	579	unsigned char *buf,
	580	u32 frame_len, u16 l2_oxid);
	581	int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
74446954	582	int bnx2fc_post_io_req(struct bnx2fc_rport tgt, struct bnx2fc_cmd io_req);
6c5a7ce4 BPG	583	int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
	584	int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
	585	void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
	586	struct fcoe_task_ctx_entry *task,
	587	u8 rx_state);
	588	int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
	589	enum fc_rctl r_ctl);
853e2bd2	590
3db8cc10 JP	591
	592	#include "bnx2fc_debug.h"
	593
853e2bd2	594	#endif