drivers/scsi/cpqfcTSioctl.h

// for user apps, make sure data size types are defined
// with 


#define CCPQFCTS_IOC_MAGIC 'Z'

typedef struct 
{
  __u8 bus;
  __u8 dev_fn;
  __u32 board_id;
} cpqfc_pci_info_struct;

typedef __u32 DriverVer_type;
/*
typedef union
{
  struct  // Peripheral Unit Device
  { 
    __u8 Bus:6;
    __u8 Mode:2;  // b00
    __u8 Dev;
  } PeripDev;
  struct  // Volume Set Address
  { 
    __u8 DevMSB:6;
    __u8 Mode:2;  // b01
    __u8 DevLSB;
  } LogDev;
  struct  // Logical Unit Device (SCSI-3, SCC-2 defined)
  { 
    __u8 Targ:6;
    __u8 Mode:2;  // b10
    __u8 Dev:5;
    __u8 Bus:3;

  } LogUnit;
} SCSI3Addr_struct;


typedef struct
{
  SCSI3Addr_struct FCP_Nexus;
  __u8 cdb[16];
} PassThru_Command_struct;
*/

/* this is nearly duplicated in idashare.h */
typedef struct {
  int	lc;    		/* Controller number */
  int	node;		/* Node (box) number */
  int	ld;		/* Logical Drive on this box, if required */
  __u32 nexus;          /* SCSI Nexus */
  void	*argp;		/* Argument pointer */
} VENDOR_IOCTL_REQ;


typedef struct {
  char	cdb[16];	/* SCSI CDB for the pass-through */
  ushort bus;		/* Target bus on the box */
  ushort pdrive;	/* Physical drive on the box */
  int len;              /* Length of the data area of the CDB */
  int sense_len;	/* Length of the sense data */
  char sense_data[40];  /* Sense data */
  void *bufp;		/* Data area for the CDB */
  char rw_flag;		/* Read CDB or Write CDB */
} cpqfc_passthru_t;

/*
** Defines for the IOCTLS.
*/

#define VENDOR_READ_OPCODE			0x26
#define VENDOR_WRITE_OPCODE			0x27

#define CPQFCTS_GETPCIINFO _IOR( CCPQFCTS_IOC_MAGIC, 1, cpqfc_pci_info_struct)
#define CPQFCTS_GETDRIVVER _IOR( CCPQFCTS_IOC_MAGIC, 9, DriverVer_type)

#define CPQFCTS_SCSI_PASSTHRU _IOWR( CCPQFCTS_IOC_MAGIC,11, VENDOR_IOCTL_REQ)

/* We would rather have equivalent generic, low-level driver agnostic 
ioctls that do what CPQFC_IOCTL_FC_TARGET_ADDRESS and 
CPQFC_IOCTL_FC_TDR 0x5388 do, but currently, we do not have them, 
consequently applications would have to know they are talking to cpqfc. */
   
/* Used to get Fibre Channel WWN and port_id from device */
// #define CPQFC_IOCTL_FC_TARGET_ADDRESS 0x5387
#define CPQFC_IOCTL_FC_TARGET_ADDRESS \
	_IOR( CCPQFCTS_IOC_MAGIC, 13, Scsi_FCTargAddress)

/* Used to invoke Target Defice Reset for Fibre Channel */
// #define CPQFC_IOCTL_FC_TDR 0x5388
#define CPQFC_IOCTL_FC_TDR _IO( CCPQFCTS_IOC_MAGIC, 15)