✏ EDIT: cciss_ioctl.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef CCISS_IOCTLH
#define CCISS_IOCTLH

#include <linux/types.h>
#include <linux/ioctl.h>
#include <linux/cciss_defs.h>

#define CCISS_IOC_MAGIC 'B'

typedef struct _cciss_pci_info_struct
{
	unsigned char 	bus;
	unsigned char 	dev_fn;
	unsigned short	domain;
	__u32 		board_id;
} cciss_pci_info_struct;

typedef struct _cciss_coalint_struct
{
	__u32  delay;
	__u32  count;
} cciss_coalint_struct;

typedef char NodeName_type[16];

typedef __u32 Heartbeat_type;

#define CISS_PARSCSIU2 	0x0001
#define CISS_PARCSCIU3 	0x0002
#define CISS_FIBRE1G	0x0100
#define CISS_FIBRE2G	0x0200
typedef __u32 BusTypes_type;

typedef char FirmwareVer_type[4];
typedef __u32 DriverVer_type;

#define MAX_KMALLOC_SIZE 128000

typedef struct _IOCTL_Command_struct {
  LUNAddr_struct	   LUN_info;
  RequestBlock_struct      Request;
  ErrorInfo_struct  	   error_info; 
  WORD			   buf_size;  /* size in bytes of the buf */
  BYTE			   *buf;
} IOCTL_Command_struct;

typedef struct _BIG_IOCTL_Command_struct {
  LUNAddr_struct	   LUN_info;
  RequestBlock_struct      Request;
  ErrorInfo_struct  	   error_info;
  DWORD			   malloc_size; /* < MAX_KMALLOC_SIZE in cciss.c */
  DWORD			   buf_size;    /* size in bytes of the buf */
  				        /* < malloc_size * MAXSGENTRIES */
  BYTE			   *buf;
} BIG_IOCTL_Command_struct;

typedef struct _LogvolInfo_struct{
	__u32	LunID;
	int	num_opens;  /* number of opens on the logical volume */
	int	num_parts;  /* number of partitions configured on logvol */
} LogvolInfo_struct;

#define CCISS_GETPCIINFO _IOR(CCISS_IOC_MAGIC, 1, cciss_pci_info_struct)

#define CCISS_GETINTINFO _IOR(CCISS_IOC_MAGIC, 2, cciss_coalint_struct)
#define CCISS_SETINTINFO _IOW(CCISS_IOC_MAGIC, 3, cciss_coalint_struct)

#define CCISS_GETNODENAME _IOR(CCISS_IOC_MAGIC, 4, NodeName_type)
#define CCISS_SETNODENAME _IOW(CCISS_IOC_MAGIC, 5, NodeName_type)

#define CCISS_GETHEARTBEAT _IOR(CCISS_IOC_MAGIC, 6, Heartbeat_type)
#define CCISS_GETBUSTYPES  _IOR(CCISS_IOC_MAGIC, 7, BusTypes_type)
#define CCISS_GETFIRMVER   _IOR(CCISS_IOC_MAGIC, 8, FirmwareVer_type)
#define CCISS_GETDRIVVER   _IOR(CCISS_IOC_MAGIC, 9, DriverVer_type)
#define CCISS_REVALIDVOLS  _IO(CCISS_IOC_MAGIC, 10)
#define CCISS_PASSTHRU	   _IOWR(CCISS_IOC_MAGIC, 11, IOCTL_Command_struct)
#define CCISS_DEREGDISK	   _IO(CCISS_IOC_MAGIC, 12)

/* no longer used... use REGNEWD instead */ 
#define CCISS_REGNEWDISK  _IOW(CCISS_IOC_MAGIC, 13, int)

#define CCISS_REGNEWD	   _IO(CCISS_IOC_MAGIC, 14)
#define CCISS_RESCANDISK   _IO(CCISS_IOC_MAGIC, 16)
#define CCISS_GETLUNINFO   _IOR(CCISS_IOC_MAGIC, 17, LogvolInfo_struct)
#define CCISS_BIG_PASSTHRU _IOWR(CCISS_IOC_MAGIC, 18, BIG_IOCTL_Command_struct)

#endif /* CCISS_IOCTLH */

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