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799202cbd0
Add the support for a large number of logical volumes. We will soon have hardware that support up to 1024 logical volumes. Signed-off-by: Mike Miller <mike.miller@hp.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
242 lines
6.6 KiB
C
242 lines
6.6 KiB
C
#ifndef CCISS_IOCTLH
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#define CCISS_IOCTLH
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#define CCISS_IOC_MAGIC 'B'
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typedef struct _cciss_pci_info_struct
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{
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unsigned char bus;
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unsigned char dev_fn;
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unsigned short domain;
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__u32 board_id;
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} cciss_pci_info_struct;
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typedef struct _cciss_coalint_struct
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{
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__u32 delay;
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__u32 count;
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} cciss_coalint_struct;
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typedef char NodeName_type[16];
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typedef __u32 Heartbeat_type;
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#define CISS_PARSCSIU2 0x0001
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#define CISS_PARCSCIU3 0x0002
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#define CISS_FIBRE1G 0x0100
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#define CISS_FIBRE2G 0x0200
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typedef __u32 BusTypes_type;
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typedef char FirmwareVer_type[4];
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typedef __u32 DriverVer_type;
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#define MAX_KMALLOC_SIZE 128000
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#ifndef CCISS_CMD_H
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// This defines are duplicated in cciss_cmd.h in the driver directory
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//general boundary defintions
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#define SENSEINFOBYTES 32//note that this value may vary between host implementations
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//Command Status value
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#define CMD_SUCCESS 0x0000
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#define CMD_TARGET_STATUS 0x0001
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#define CMD_DATA_UNDERRUN 0x0002
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#define CMD_DATA_OVERRUN 0x0003
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#define CMD_INVALID 0x0004
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#define CMD_PROTOCOL_ERR 0x0005
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#define CMD_HARDWARE_ERR 0x0006
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#define CMD_CONNECTION_LOST 0x0007
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#define CMD_ABORTED 0x0008
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#define CMD_ABORT_FAILED 0x0009
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#define CMD_UNSOLICITED_ABORT 0x000A
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#define CMD_TIMEOUT 0x000B
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#define CMD_UNABORTABLE 0x000C
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//transfer direction
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#define XFER_NONE 0x00
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#define XFER_WRITE 0x01
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#define XFER_READ 0x02
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#define XFER_RSVD 0x03
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//task attribute
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#define ATTR_UNTAGGED 0x00
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#define ATTR_SIMPLE 0x04
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#define ATTR_HEADOFQUEUE 0x05
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#define ATTR_ORDERED 0x06
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#define ATTR_ACA 0x07
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//cdb type
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#define TYPE_CMD 0x00
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#define TYPE_MSG 0x01
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// Type defs used in the following structs
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#define BYTE __u8
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#define WORD __u16
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#define HWORD __u16
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#define DWORD __u32
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#define CISS_MAX_LUN 1024
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#define LEVEL2LUN 1 // index into Target(x) structure, due to byte swapping
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#define LEVEL3LUN 0
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#pragma pack(1)
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//Command List Structure
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typedef union _SCSI3Addr_struct {
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struct {
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BYTE Dev;
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BYTE Bus:6;
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BYTE Mode:2; // b00
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} PeripDev;
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struct {
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BYTE DevLSB;
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BYTE DevMSB:6;
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BYTE Mode:2; // b01
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} LogDev;
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struct {
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BYTE Dev:5;
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BYTE Bus:3;
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BYTE Targ:6;
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BYTE Mode:2; // b10
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} LogUnit;
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} SCSI3Addr_struct;
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typedef struct _PhysDevAddr_struct {
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DWORD TargetId:24;
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DWORD Bus:6;
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DWORD Mode:2;
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SCSI3Addr_struct Target[2]; //2 level target device addr
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} PhysDevAddr_struct;
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typedef struct _LogDevAddr_struct {
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DWORD VolId:30;
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DWORD Mode:2;
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BYTE reserved[4];
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} LogDevAddr_struct;
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typedef union _LUNAddr_struct {
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BYTE LunAddrBytes[8];
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SCSI3Addr_struct SCSI3Lun[4];
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PhysDevAddr_struct PhysDev;
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LogDevAddr_struct LogDev;
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} LUNAddr_struct;
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typedef struct _RequestBlock_struct {
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BYTE CDBLen;
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struct {
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BYTE Type:3;
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BYTE Attribute:3;
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BYTE Direction:2;
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} Type;
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HWORD Timeout;
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BYTE CDB[16];
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} RequestBlock_struct;
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typedef union _MoreErrInfo_struct{
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struct {
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BYTE Reserved[3];
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BYTE Type;
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DWORD ErrorInfo;
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}Common_Info;
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struct{
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BYTE Reserved[2];
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BYTE offense_size;//size of offending entry
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BYTE offense_num; //byte # of offense 0-base
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DWORD offense_value;
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}Invalid_Cmd;
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}MoreErrInfo_struct;
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typedef struct _ErrorInfo_struct {
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BYTE ScsiStatus;
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BYTE SenseLen;
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HWORD CommandStatus;
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DWORD ResidualCnt;
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MoreErrInfo_struct MoreErrInfo;
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BYTE SenseInfo[SENSEINFOBYTES];
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} ErrorInfo_struct;
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#pragma pack()
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#endif /* CCISS_CMD_H */
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typedef struct _IOCTL_Command_struct {
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LUNAddr_struct LUN_info;
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RequestBlock_struct Request;
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ErrorInfo_struct error_info;
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WORD buf_size; /* size in bytes of the buf */
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BYTE __user *buf;
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} IOCTL_Command_struct;
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typedef struct _BIG_IOCTL_Command_struct {
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LUNAddr_struct LUN_info;
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RequestBlock_struct Request;
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ErrorInfo_struct error_info;
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DWORD malloc_size; /* < MAX_KMALLOC_SIZE in cciss.c */
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DWORD buf_size; /* size in bytes of the buf */
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/* < malloc_size * MAXSGENTRIES */
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BYTE __user *buf;
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} BIG_IOCTL_Command_struct;
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typedef struct _LogvolInfo_struct{
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__u32 LunID;
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int num_opens; /* number of opens on the logical volume */
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int num_parts; /* number of partitions configured on logvol */
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} LogvolInfo_struct;
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#define CCISS_GETPCIINFO _IOR(CCISS_IOC_MAGIC, 1, cciss_pci_info_struct)
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#define CCISS_GETINTINFO _IOR(CCISS_IOC_MAGIC, 2, cciss_coalint_struct)
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#define CCISS_SETINTINFO _IOW(CCISS_IOC_MAGIC, 3, cciss_coalint_struct)
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#define CCISS_GETNODENAME _IOR(CCISS_IOC_MAGIC, 4, NodeName_type)
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#define CCISS_SETNODENAME _IOW(CCISS_IOC_MAGIC, 5, NodeName_type)
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#define CCISS_GETHEARTBEAT _IOR(CCISS_IOC_MAGIC, 6, Heartbeat_type)
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#define CCISS_GETBUSTYPES _IOR(CCISS_IOC_MAGIC, 7, BusTypes_type)
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#define CCISS_GETFIRMVER _IOR(CCISS_IOC_MAGIC, 8, FirmwareVer_type)
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#define CCISS_GETDRIVVER _IOR(CCISS_IOC_MAGIC, 9, DriverVer_type)
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#define CCISS_REVALIDVOLS _IO(CCISS_IOC_MAGIC, 10)
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#define CCISS_PASSTHRU _IOWR(CCISS_IOC_MAGIC, 11, IOCTL_Command_struct)
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#define CCISS_DEREGDISK _IO(CCISS_IOC_MAGIC, 12)
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/* no longer used... use REGNEWD instead */
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#define CCISS_REGNEWDISK _IOW(CCISS_IOC_MAGIC, 13, int)
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#define CCISS_REGNEWD _IO(CCISS_IOC_MAGIC, 14)
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#define CCISS_RESCANDISK _IO(CCISS_IOC_MAGIC, 16)
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#define CCISS_GETLUNINFO _IOR(CCISS_IOC_MAGIC, 17, LogvolInfo_struct)
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#define CCISS_BIG_PASSTHRU _IOWR(CCISS_IOC_MAGIC, 18, BIG_IOCTL_Command_struct)
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#ifdef __KERNEL__
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#ifdef CONFIG_COMPAT
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/* 32 bit compatible ioctl structs */
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typedef struct _IOCTL32_Command_struct {
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LUNAddr_struct LUN_info;
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RequestBlock_struct Request;
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ErrorInfo_struct error_info;
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WORD buf_size; /* size in bytes of the buf */
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__u32 buf; /* 32 bit pointer to data buffer */
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} IOCTL32_Command_struct;
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typedef struct _BIG_IOCTL32_Command_struct {
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LUNAddr_struct LUN_info;
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RequestBlock_struct Request;
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ErrorInfo_struct error_info;
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DWORD malloc_size; /* < MAX_KMALLOC_SIZE in cciss.c */
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DWORD buf_size; /* size in bytes of the buf */
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/* < malloc_size * MAXSGENTRIES */
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__u32 buf; /* 32 bit pointer to data buffer */
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} BIG_IOCTL32_Command_struct;
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#define CCISS_PASSTHRU32 _IOWR(CCISS_IOC_MAGIC, 11, IOCTL32_Command_struct)
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#define CCISS_BIG_PASSTHRU32 _IOWR(CCISS_IOC_MAGIC, 18, BIG_IOCTL32_Command_struct)
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#endif /* CONFIG_COMPAT */
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#endif /* __KERNEL__ */
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#endif
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