/* fcp_impl.h: Generic SCSI on top of FC4 - our interface defines. * * Copyright (C) 1997-1999 Jakub Jelinek (jj@ultra.linux.cz) * Copyright (C) 1998 Jirka Hanika (geo@ff.cuni.cz) */ #ifndef _FCP_SCSI_H#define _FCP_SCSI_H #include <linux/types.h>#include "../scsi/scsi.h" #include "fc.h"#include "fcp.h"#include "fc-al.h" #include <asm/io.h>#ifdef __sparc__#include <asm/sbus.h>#endif /* 0 or 1 */#define	FCP_SCSI_USE_NEW_EH_CODE	0 #define FC_CLASS_OUTBOUND	0x01#define FC_CLASS_INBOUND	0x02#define FC_CLASS_SIMPLE		0x03#define FC_CLASS_IO_WRITE	0x04#define FC_CLASS_IO_READ	0x05#define FC_CLASS_UNSOLICITED	0x06#define FC_CLASS_OFFLINE	0x08 #define PROTO_OFFLINE		0x02#define PROTO_REPORT_AL_MAP	0x03#define PROTO_FORCE_LIP		0x06 struct _fc_channel;  typedef struct fcp_cmnd {	struct fcp_cmnd		*next;	struct fcp_cmnd		*prev;	void			(*done)(struct scsi_cmnd *);	unsigned short		proto;	unsigned short		token;	unsigned int		did;	/* FCP SCSI stuff */	dma_addr_t		data;	/* From now on this cannot be touched for proto == TYPE_SCSI_FCP */	fc_hdr			fch;	dma_addr_t		cmd;	dma_addr_t		rsp;	int			cmdlen;	int			rsplen;	int			class;	int			datalen;	/* This is just used as a verification during login */	struct _fc_channel	*fc;	void			*ls;} fcp_cmnd; typedef struct {	unsigned int		len;	unsigned char		list[0];} fcp_posmap; typedef struct _fc_channel {	struct _fc_channel	*next;	int			irq;	int			state;	int			sid;	int			did;	char			name[16];	void			(*fcp_register)(struct _fc_channel *, u8, int);	void			(*reset)(struct _fc_channel *);	int			(*hw_enque)(struct _fc_channel *, fcp_cmnd *);	fc_wwn			wwn_node;	fc_wwn			wwn_nport;	fc_wwn			wwn_dest;	common_svc_parm		*common_svc;	svc_parm		*class_svcs;#ifdef __sparc__		struct sbus_dev		*dev;#else	struct pci_dev		*dev;#endif	struct module		*module;	/* FCP SCSI stuff */	short			can_queue;	short			abort_count;	int			rsp_size;	fcp_cmd			*scsi_cmd_pool;	char			*scsi_rsp_pool;	dma_addr_t		dma_scsi_cmd, dma_scsi_rsp;	long			*scsi_bitmap;	long			scsi_bitmap_end;	int			scsi_free;	int			(*encode_addr)(struct scsi_cmnd *, u16 *, struct _fc_channel *, fcp_cmnd *);	fcp_cmnd		*scsi_que;	char			scsi_name[4];	fcp_cmnd		**cmd_slots;	int			channels;	int			targets;	long			*ages;	struct scsi_cmnd	*rst_pkt;	fcp_posmap		*posmap;	/* LOGIN stuff */	fcp_cmnd		*login;	void			*ls;} fc_channel; extern fc_channel *fc_channels; #define FC_STATE_UNINITED	0#define FC_STATE_ONLINE		1#define FC_STATE_OFFLINE	2#define FC_STATE_RESETING	3#define FC_STATE_FPORT_OK	4#define FC_STATE_MAYBEOFFLINE	5 #define FC_STATUS_OK			0#define FC_STATUS_P_RJT			2#define FC_STATUS_F_RJT			3#define FC_STATUS_P_BSY			4#define FC_STATUS_F_BSY			5#define FC_STATUS_ERR_OFFLINE		0x11#define FC_STATUS_TIMEOUT		0x12#define FC_STATUS_ERR_OVERRUN		0x13#define FC_STATUS_POINTTOPOINT		0x15#define FC_STATUS_AL			0x16#define FC_STATUS_UNKNOWN_CQ_TYPE	0x20#define FC_STATUS_BAD_SEG_CNT		0x21#define FC_STATUS_MAX_XCHG_EXCEEDED	0x22#define FC_STATUS_BAD_XID		0x23#define FC_STATUS_XCHG_BUSY		0x24#define FC_STATUS_BAD_POOL_ID		0x25#define FC_STATUS_INSUFFICIENT_CQES	0x26#define FC_STATUS_ALLOC_FAIL		0x27#define FC_STATUS_BAD_SID		0x28#define FC_STATUS_NO_SEQ_INIT		0x29#define FC_STATUS_TIMED_OUT		-1#define FC_STATUS_BAD_RSP		-2 void fcp_queue_empty(fc_channel *);int fcp_init(fc_channel *);void fcp_release(fc_channel *fc_chain, int count);void fcp_receive_solicited(fc_channel *, int, int, int, fc_hdr *);void fcp_state_change(fc_channel *, int);int fc_do_plogi(fc_channel *, unsigned char, fc_wwn *, fc_wwn *);int fc_do_prli(fc_channel *, unsigned char); #define for_each_fc_channel(fc)				\	for (fc = fc_channels; fc; fc = fc->next)	#define for_each_online_fc_channel(fc) 			\	for_each_fc_channel(fc)				\		if (fc->state == FC_STATE_ONLINE) int fcp_scsi_queuecommand(struct scsi_cmnd *,			  void (* done) (struct scsi_cmnd *));int fcp_scsi_abort(struct scsi_cmnd *);int fcp_scsi_dev_reset(struct scsi_cmnd *);int fcp_scsi_host_reset(struct scsi_cmnd *); #endif /* !(_FCP_SCSI_H) */