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Release 4.11 drivers/scsi/dpt/dpti_i2o.h

Directory: drivers/scsi/dpt
#ifndef _SCSI_I2O_H

#define _SCSI_I2O_H

/* I2O kernel space accessible structures/APIs
 *
 * (c) Copyright 1999, 2000 Red Hat Software
 *
 * 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; either version
 * 2 of the License, or (at your option) any later version.
 *
 *************************************************************************
 *
 * This header file defined the I2O APIs/structures for use by
 * the I2O kernel modules.
 *
 */

#ifdef __KERNEL__       /* This file to be included by kernel only */

#include <linux/i2o-dev.h>

#include <linux/notifier.h>
#include <linux/atomic.h>


/*
 *      Tunable parameters first
 */

/* How many different OSM's are we allowing */

#define MAX_I2O_MODULES		64


#define I2O_EVT_CAPABILITY_OTHER		0x01

#define I2O_EVT_CAPABILITY_CHANGED		0x02


#define I2O_EVT_SENSOR_STATE_CHANGED		0x01

//#ifdef __KERNEL__   /* ioctl stuff only thing exported to users */


#define I2O_MAX_MANAGERS	4

/*
 *      I2O Interface Objects
 */

#include <linux/wait.h>

typedef wait_queue_head_t adpt_wait_queue_head_t;

#define ADPT_DECLARE_WAIT_QUEUE_HEAD(wait) DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wait)

typedef wait_queue_t adpt_wait_queue_t;

/*
 * message structures
 */


struct i2o_message
{
	
u8	version_offset;
	
u8	flags;
	
u16	size;
	
u32	target_tid:12;
	
u32	init_tid:12;
	
u32	function:8;
	
u32	initiator_context;
	/* List follows */
};

struct adpt_device;
struct _adpt_hba;

struct i2o_device
{
	
struct i2o_device *next;	/* Chain */
	
struct i2o_device *prev;

	
char dev_name[8];		/* linux /dev name if available */
	
i2o_lct_entry lct_data;/* Device LCT information */
	
u32 flags;
	
struct proc_dir_entry* proc_entry;	/* /proc dir */
	
struct adpt_device *owner;
	
struct _adpt_hba *controller;	/* Controlling IOP */
};

/*
 *      Each I2O controller has one of these objects
 */


struct i2o_controller
{
	
char name[16];
	
int unit;
	
int type;
	
int enabled;

	
struct notifier_block *event_notifer;	/* Events */
	
atomic_t users;
	
struct i2o_device *devices;		/* I2O device chain */
	
struct i2o_controller *next;		/* Controller chain */

};

/*
 * I2O System table entry
 */

struct i2o_sys_tbl_entry
{
	
u16	org_id;
	
u16	reserved1;
	
u32	iop_id:12;
	
u32	reserved2:20;
	
u16	seg_num:12;
	
u16	i2o_version:4;
	
u8	iop_state;
	
u8	msg_type;
	
u16	frame_size;
	
u16	reserved3;
	
u32	last_changed;
	
u32	iop_capabilities;
	
u32	inbound_low;
	
u32	inbound_high;
};


struct i2o_sys_tbl
{
	
u8	num_entries;
	
u8	version;
	
u16	reserved1;
	
u32	change_ind;
	
u32	reserved2;
	
u32	reserved3;
	
struct i2o_sys_tbl_entry iops[0];
};

/*
 *      I2O classes / subclasses
 */

/*  Class ID and Code Assignments
 *  (LCT.ClassID.Version field)
 */

#define    I2O_CLASS_VERSION_10                        0x00

#define    I2O_CLASS_VERSION_11                        0x01

/*  Class code names
 *  (from v1.5 Table 6-1 Class Code Assignments.)
 */


#define    I2O_CLASS_EXECUTIVE                         0x000

#define    I2O_CLASS_DDM                               0x001

#define    I2O_CLASS_RANDOM_BLOCK_STORAGE              0x010

#define    I2O_CLASS_SEQUENTIAL_STORAGE                0x011

#define    I2O_CLASS_LAN                               0x020

#define    I2O_CLASS_WAN                               0x030

#define    I2O_CLASS_FIBRE_CHANNEL_PORT                0x040

#define    I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL          0x041

#define    I2O_CLASS_SCSI_PERIPHERAL                   0x051

#define    I2O_CLASS_ATE_PORT                          0x060

#define    I2O_CLASS_ATE_PERIPHERAL                    0x061

#define    I2O_CLASS_FLOPPY_CONTROLLER                 0x070

#define    I2O_CLASS_FLOPPY_DEVICE                     0x071

#define    I2O_CLASS_BUS_ADAPTER_PORT                  0x080

#define    I2O_CLASS_PEER_TRANSPORT_AGENT              0x090

#define    I2O_CLASS_PEER_TRANSPORT                    0x091

/*  Rest of 0x092 - 0x09f reserved for peer-to-peer classes
 */


#define    I2O_CLASS_MATCH_ANYCLASS                    0xffffffff

/*  Subclasses
 */


#define    I2O_SUBCLASS_i960                           0x001

#define    I2O_SUBCLASS_HDM                            0x020

#define    I2O_SUBCLASS_ISM                            0x021

/* Operation functions */


#define I2O_PARAMS_FIELD_GET	0x0001

#define I2O_PARAMS_LIST_GET	0x0002

#define I2O_PARAMS_MORE_GET	0x0003

#define I2O_PARAMS_SIZE_GET	0x0004

#define I2O_PARAMS_TABLE_GET	0x0005

#define I2O_PARAMS_FIELD_SET	0x0006

#define I2O_PARAMS_LIST_SET	0x0007

#define I2O_PARAMS_ROW_ADD	0x0008

#define I2O_PARAMS_ROW_DELETE	0x0009

#define I2O_PARAMS_TABLE_CLEAR	0x000A

/*
 *      I2O serial number conventions / formats
 *      (circa v1.5)
 */


#define    I2O_SNFORMAT_UNKNOWN                        0

#define    I2O_SNFORMAT_BINARY                         1

#define    I2O_SNFORMAT_ASCII                          2

#define    I2O_SNFORMAT_UNICODE                        3

#define    I2O_SNFORMAT_LAN48_MAC                      4

#define    I2O_SNFORMAT_WAN                            5

/* Plus new in v2.0 (Yellowstone pdf doc)
 */


#define    I2O_SNFORMAT_LAN64_MAC                      6

#define    I2O_SNFORMAT_DDM                            7

#define    I2O_SNFORMAT_IEEE_REG64                     8

#define    I2O_SNFORMAT_IEEE_REG128                    9

#define    I2O_SNFORMAT_UNKNOWN2                       0xff

/* Transaction Reply Lists (TRL) Control Word structure */


#define TRL_SINGLE_FIXED_LENGTH		0x00

#define TRL_SINGLE_VARIABLE_LENGTH	0x40

#define TRL_MULTIPLE_FIXED_LENGTH	0x80

/*
 *      Messaging API values
 */


#define	I2O_CMD_ADAPTER_ASSIGN		0xB3

#define	I2O_CMD_ADAPTER_READ		0xB2

#define	I2O_CMD_ADAPTER_RELEASE		0xB5

#define	I2O_CMD_BIOS_INFO_SET		0xA5

#define	I2O_CMD_BOOT_DEVICE_SET		0xA7

#define	I2O_CMD_CONFIG_VALIDATE		0xBB

#define	I2O_CMD_CONN_SETUP		0xCA

#define	I2O_CMD_DDM_DESTROY		0xB1

#define	I2O_CMD_DDM_ENABLE		0xD5

#define	I2O_CMD_DDM_QUIESCE		0xC7

#define	I2O_CMD_DDM_RESET		0xD9

#define	I2O_CMD_DDM_SUSPEND		0xAF

#define	I2O_CMD_DEVICE_ASSIGN		0xB7

#define	I2O_CMD_DEVICE_RELEASE		0xB9

#define	I2O_CMD_HRT_GET			0xA8

#define	I2O_CMD_ADAPTER_CLEAR		0xBE

#define	I2O_CMD_ADAPTER_CONNECT		0xC9

#define	I2O_CMD_ADAPTER_RESET		0xBD

#define	I2O_CMD_LCT_NOTIFY		0xA2

#define	I2O_CMD_OUTBOUND_INIT		0xA1

#define	I2O_CMD_PATH_ENABLE		0xD3

#define	I2O_CMD_PATH_QUIESCE		0xC5

#define	I2O_CMD_PATH_RESET		0xD7

#define	I2O_CMD_STATIC_MF_CREATE	0xDD

#define	I2O_CMD_STATIC_MF_RELEASE	0xDF

#define	I2O_CMD_STATUS_GET		0xA0

#define	I2O_CMD_SW_DOWNLOAD		0xA9

#define	I2O_CMD_SW_UPLOAD		0xAB

#define	I2O_CMD_SW_REMOVE		0xAD

#define	I2O_CMD_SYS_ENABLE		0xD1

#define	I2O_CMD_SYS_MODIFY		0xC1

#define	I2O_CMD_SYS_QUIESCE		0xC3

#define	I2O_CMD_SYS_TAB_SET		0xA3


#define I2O_CMD_UTIL_NOP		0x00

#define I2O_CMD_UTIL_ABORT		0x01

#define I2O_CMD_UTIL_CLAIM		0x09

#define I2O_CMD_UTIL_RELEASE		0x0B

#define I2O_CMD_UTIL_PARAMS_GET		0x06

#define I2O_CMD_UTIL_PARAMS_SET		0x05

#define I2O_CMD_UTIL_EVT_REGISTER	0x13

#define I2O_CMD_UTIL_EVT_ACK		0x14

#define I2O_CMD_UTIL_CONFIG_DIALOG	0x10

#define I2O_CMD_UTIL_DEVICE_RESERVE	0x0D

#define I2O_CMD_UTIL_DEVICE_RELEASE	0x0F

#define I2O_CMD_UTIL_LOCK		0x17

#define I2O_CMD_UTIL_LOCK_RELEASE	0x19

#define I2O_CMD_UTIL_REPLY_FAULT_NOTIFY	0x15


#define I2O_CMD_SCSI_EXEC		0x81

#define I2O_CMD_SCSI_ABORT		0x83

#define I2O_CMD_SCSI_BUSRESET		0x27


#define I2O_CMD_BLOCK_READ		0x30

#define I2O_CMD_BLOCK_WRITE		0x31

#define I2O_CMD_BLOCK_CFLUSH		0x37

#define I2O_CMD_BLOCK_MLOCK		0x49

#define I2O_CMD_BLOCK_MUNLOCK		0x4B

#define I2O_CMD_BLOCK_MMOUNT		0x41

#define I2O_CMD_BLOCK_MEJECT		0x43


#define I2O_PRIVATE_MSG			0xFF

/*
 *      Init Outbound Q status
 */


#define I2O_CMD_OUTBOUND_INIT_IN_PROGRESS	0x01

#define I2O_CMD_OUTBOUND_INIT_REJECTED		0x02

#define I2O_CMD_OUTBOUND_INIT_FAILED		0x03

#define I2O_CMD_OUTBOUND_INIT_COMPLETE		0x04

/*
 *      I2O Get Status State values
 */


#define	ADAPTER_STATE_INITIALIZING		0x01

#define	ADAPTER_STATE_RESET			0x02

#define	ADAPTER_STATE_HOLD			0x04

#define ADAPTER_STATE_READY			0x05

#define	ADAPTER_STATE_OPERATIONAL		0x08

#define	ADAPTER_STATE_FAILED			0x10

#define	ADAPTER_STATE_FAULTED			0x11

/* I2O API function return values */


#define I2O_RTN_NO_ERROR			0

#define I2O_RTN_NOT_INIT			1

#define I2O_RTN_FREE_Q_EMPTY			2

#define I2O_RTN_TCB_ERROR			3

#define I2O_RTN_TRANSACTION_ERROR		4

#define I2O_RTN_ADAPTER_ALREADY_INIT		5

#define I2O_RTN_MALLOC_ERROR			6

#define I2O_RTN_ADPTR_NOT_REGISTERED		7

#define I2O_RTN_MSG_REPLY_TIMEOUT		8

#define I2O_RTN_NO_STATUS			9

#define I2O_RTN_NO_FIRM_VER			10

#define	I2O_RTN_NO_LINK_SPEED			11

/* Reply message status defines for all messages */


#define I2O_REPLY_STATUS_SUCCESS			0x00

#define I2O_REPLY_STATUS_ABORT_DIRTY			0x01

#define I2O_REPLY_STATUS_ABORT_NO_DATA_TRANSFER		0x02

#define	I2O_REPLY_STATUS_ABORT_PARTIAL_TRANSFER		0x03

#define	I2O_REPLY_STATUS_ERROR_DIRTY			0x04

#define	I2O_REPLY_STATUS_ERROR_NO_DATA_TRANSFER		0x05

#define	I2O_REPLY_STATUS_ERROR_PARTIAL_TRANSFER		0x06

#define	I2O_REPLY_STATUS_PROCESS_ABORT_DIRTY		0x08

#define	I2O_REPLY_STATUS_PROCESS_ABORT_NO_DATA_TRANSFER	0x09

#define	I2O_REPLY_STATUS_PROCESS_ABORT_PARTIAL_TRANSFER	0x0A

#define	I2O_REPLY_STATUS_TRANSACTION_ERROR		0x0B

#define	I2O_REPLY_STATUS_PROGRESS_REPORT		0x80

/* Status codes and Error Information for Parameter functions */


#define I2O_PARAMS_STATUS_SUCCESS		0x00

#define I2O_PARAMS_STATUS_BAD_KEY_ABORT		0x01

#define I2O_PARAMS_STATUS_BAD_KEY_CONTINUE	0x02

#define I2O_PARAMS_STATUS_BUFFER_FULL		0x03

#define I2O_PARAMS_STATUS_BUFFER_TOO_SMALL	0x04

#define I2O_PARAMS_STATUS_FIELD_UNREADABLE	0x05

#define I2O_PARAMS_STATUS_FIELD_UNWRITEABLE	0x06

#define I2O_PARAMS_STATUS_INSUFFICIENT_FIELDS	0x07

#define I2O_PARAMS_STATUS_INVALID_GROUP_ID	0x08

#define I2O_PARAMS_STATUS_INVALID_OPERATION	0x09

#define I2O_PARAMS_STATUS_NO_KEY_FIELD		0x0A

#define I2O_PARAMS_STATUS_NO_SUCH_FIELD		0x0B

#define I2O_PARAMS_STATUS_NON_DYNAMIC_GROUP	0x0C

#define I2O_PARAMS_STATUS_OPERATION_ERROR	0x0D

#define I2O_PARAMS_STATUS_SCALAR_ERROR		0x0E

#define I2O_PARAMS_STATUS_TABLE_ERROR		0x0F

#define I2O_PARAMS_STATUS_WRONG_GROUP_TYPE	0x10

/* DetailedStatusCode defines for Executive, DDM, Util and Transaction error
 * messages: Table 3-2 Detailed Status Codes.*/


#define I2O_DSC_SUCCESS                        0x0000

#define I2O_DSC_BAD_KEY                        0x0002

#define I2O_DSC_TCL_ERROR                      0x0003

#define I2O_DSC_REPLY_BUFFER_FULL              0x0004

#define I2O_DSC_NO_SUCH_PAGE                   0x0005

#define I2O_DSC_INSUFFICIENT_RESOURCE_SOFT     0x0006

#define I2O_DSC_INSUFFICIENT_RESOURCE_HARD     0x0007

#define I2O_DSC_CHAIN_BUFFER_TOO_LARGE         0x0009

#define I2O_DSC_UNSUPPORTED_FUNCTION           0x000A

#define I2O_DSC_DEVICE_LOCKED                  0x000B

#define I2O_DSC_DEVICE_RESET                   0x000C

#define I2O_DSC_INAPPROPRIATE_FUNCTION         0x000D

#define I2O_DSC_INVALID_INITIATOR_ADDRESS      0x000E

#define I2O_DSC_INVALID_MESSAGE_FLAGS          0x000F

#define I2O_DSC_INVALID_OFFSET                 0x0010

#define I2O_DSC_INVALID_PARAMETER              0x0011

#define I2O_DSC_INVALID_REQUEST                0x0012

#define I2O_DSC_INVALID_TARGET_ADDRESS         0x0013

#define I2O_DSC_MESSAGE_TOO_LARGE              0x0014

#define I2O_DSC_MESSAGE_TOO_SMALL              0x0015

#define I2O_DSC_MISSING_PARAMETER              0x0016

#define I2O_DSC_TIMEOUT                        0x0017

#define I2O_DSC_UNKNOWN_ERROR                  0x0018

#define I2O_DSC_UNKNOWN_FUNCTION               0x0019

#define I2O_DSC_UNSUPPORTED_VERSION            0x001A

#define I2O_DSC_DEVICE_BUSY                    0x001B

#define I2O_DSC_DEVICE_NOT_AVAILABLE           0x001C

/* Device Claim Types */

#define	I2O_CLAIM_PRIMARY					0x01000000

#define	I2O_CLAIM_MANAGEMENT					0x02000000

#define	I2O_CLAIM_AUTHORIZED					0x03000000

#define	I2O_CLAIM_SECONDARY					0x04000000

/* Message header defines for VersionOffset */

#define I2OVER15	0x0001

#define I2OVER20	0x0002
/* Default is 1.5, FIXME: Need support for both 1.5 and 2.0 */

#define I2OVERSION	I2OVER15

#define SGL_OFFSET_0    I2OVERSION

#define SGL_OFFSET_4    (0x0040 | I2OVERSION)

#define SGL_OFFSET_5    (0x0050 | I2OVERSION)

#define SGL_OFFSET_6    (0x0060 | I2OVERSION)

#define SGL_OFFSET_7    (0x0070 | I2OVERSION)

#define SGL_OFFSET_8    (0x0080 | I2OVERSION)

#define SGL_OFFSET_9    (0x0090 | I2OVERSION)

#define SGL_OFFSET_10   (0x00A0 | I2OVERSION)

#define SGL_OFFSET_12   (0x00C0 | I2OVERSION)


#define TRL_OFFSET_5    (0x0050 | I2OVERSION)

#define TRL_OFFSET_6    (0x0060 | I2OVERSION)

 /* msg header defines for MsgFlags */

#define MSG_STATIC	0x0100

#define MSG_64BIT_CNTXT	0x0200

#define MSG_MULTI_TRANS	0x1000

#define MSG_FAIL	0x2000

#define MSG_LAST	0x4000

#define MSG_REPLY	0x8000

 /* minimum size msg */

#define THREE_WORD_MSG_SIZE	0x00030000

#define FOUR_WORD_MSG_SIZE	0x00040000

#define FIVE_WORD_MSG_SIZE	0x00050000

#define SIX_WORD_MSG_SIZE	0x00060000

#define SEVEN_WORD_MSG_SIZE	0x00070000

#define EIGHT_WORD_MSG_SIZE	0x00080000

#define NINE_WORD_MSG_SIZE	0x00090000

#define TEN_WORD_MSG_SIZE	0x000A0000

#define I2O_MESSAGE_SIZE(x)	((x)<<16)


/* Special TID Assignments */


#define ADAPTER_TID		0

#define HOST_TID		1


#define MSG_FRAME_SIZE		128

#define NMBR_MSG_FRAMES		128


#define MSG_POOL_SIZE		16384


#define I2O_POST_WAIT_OK	0

#define I2O_POST_WAIT_TIMEOUT	-ETIMEDOUT


#endif /* __KERNEL__ */

#endif /* _SCSI_I2O_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds119699.67%125.00%
Henrik Kretzschmar20.17%125.00%
Arun Sharma10.08%125.00%
Peter Zijlstra10.08%125.00%
Total1200100.00%4100.00%
Directory: drivers/scsi/dpt
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