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/*
 * I2O user 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 defines the I2O APIs that are available to both
 * the kernel and user level applications.  Kernel specific structures
 * are defined in i2o_osm. OSMs should include _only_ i2o_osm.h which
 * automatically includs this file.
 *
 */


#ifndef _I2O_DEV_H
#define _I2O_DEV_H

/* How many controllers are we allowing */
#define MAX_I2O_CONTROLLERS     32

#include <linux/ioctl.h>

/*
 * I2O Control IOCTLs and structures
 */

#define I2O_MAGIC_NUMBER        'i'
#define I2OGETIOPS              _IOR(I2O_MAGIC_NUMBER,0,u8[MAX_I2O_CONTROLLERS])
#define I2OHRTGET               _IOWR(I2O_MAGIC_NUMBER,1,struct i2o_cmd_hrtlct)
#define I2OLCTGET               _IOWR(I2O_MAGIC_NUMBER,2,struct i2o_cmd_hrtlct)
#define I2OPARMSET              _IOWR(I2O_MAGIC_NUMBER,3,struct i2o_cmd_psetget)
#define I2OPARMGET              _IOWR(I2O_MAGIC_NUMBER,4,struct i2o_cmd_psetget)
#define I2OSWDL                 _IOWR(I2O_MAGIC_NUMBER,5,struct i2o_sw_xfer)
#define I2OSWUL                 _IOWR(I2O_MAGIC_NUMBER,6,struct i2o_sw_xfer)
#define I2OSWDEL                _IOWR(I2O_MAGIC_NUMBER,7,struct i2o_sw_xfer)
#define I2OVALIDATE             _IOR(I2O_MAGIC_NUMBER,8,u32)
#define I2OHTML                 _IOWR(I2O_MAGIC_NUMBER,9,struct i2o_html)
#define I2OEVTREG               _IOW(I2O_MAGIC_NUMBER,10,struct i2o_evt_id)
#define I2OEVTGET               _IOR(I2O_MAGIC_NUMBER,11,struct i2o_evt_info)

struct i2o_cmd_hrtlct
{
        unsigned int iop;       /* IOP unit number */
        void *resbuf;           /* Buffer for result */
        unsigned int *reslen;   /* Buffer length in bytes */
};

struct i2o_cmd_psetget
{
        unsigned int iop;       /* IOP unit number */
        unsigned int tid;       /* Target device TID */
        void *opbuf;            /* Operation List buffer */
        unsigned int oplen;     /* Operation List buffer length in bytes */
        void *resbuf;           /* Result List buffer */
        unsigned int *reslen;   /* Result List buffer length in bytes */
};

struct i2o_sw_xfer
{
        unsigned int iop;       /* IOP unit number */
        unsigned char flags;    /* Flags field */
        unsigned char sw_type;  /* Software type */
        unsigned int sw_id;     /* Software ID */
        void *buf;              /* Pointer to software buffer */
        unsigned int *swlen;    /* Length of software data */
        unsigned int *maxfrag;  /* Maximum fragment count */
        unsigned int *curfrag;  /* Current fragment count */
};

struct i2o_html
{
        unsigned int iop;       /* IOP unit number */
        unsigned int tid;       /* Target device ID */
        unsigned int page;      /* HTML page */
        void *resbuf;           /* Buffer for reply HTML page */
        unsigned int *reslen;   /* Length in bytes of reply buffer */
        void *qbuf;             /* Pointer to HTTP query string */
        unsigned int qlen;      /* Length in bytes of query string buffer */
};

#define I2O_EVT_Q_LEN 32

struct i2o_evt_id
{
        unsigned int iop;
        unsigned int tid;
        unsigned int evt_mask;
};

/* Event data size = frame size - message header + evt indicator */
#define I2O_EVT_DATA_SIZE 88

struct i2o_evt_info
{
        struct i2o_evt_id id;
        unsigned char evt_data[I2O_EVT_DATA_SIZE];
        unsigned int data_size;
};

struct i2o_evt_get
{
        struct i2o_evt_info info;
        int pending;
        int lost;
};


/**************************************************************************
 * HRT related constants and structures
 **************************************************************************/

#define I2O_BUS_LOCAL   0
#define I2O_BUS_ISA     1
#define I2O_BUS_EISA    2
#define I2O_BUS_MCA     3
#define I2O_BUS_PCI     4
#define I2O_BUS_PCMCIA  5
#define I2O_BUS_NUBUS   6
#define I2O_BUS_CARDBUS 7
#define I2O_BUS_UNKNOWN 0x80

#ifndef __KERNEL__

typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;

#endif /* __KERNEL__ */

typedef struct _i2o_pci_bus
{
        u8      PciFunctionNumber;
        u8      PciDeviceNumber;
        u8      PciBusNumber;
        u8      reserved;
        u16     PciVendorID;
        u16     PciDeviceID;
} i2o_pci_bus;

typedef struct _i2o_local_bus
{
        u16     LbBaseIOPort;
        u16     reserved;
        u32     LbBaseMemoryAddress;
} i2o_local_bus;

typedef struct _i2o_isa_bus
{
        u16     IsaBaseIOPort;
        u8      CSN;
        u8      reserved;
        u32     IsaBaseMemoryAddress;
} i2o_isa_bus;

typedef struct _i2o_eisa_bus_info
{
        u16     EisaBaseIOPort;
        u8      reserved;
        u8      EisaSlotNumber;
        u32     EisaBaseMemoryAddress;
} i2o_eisa_bus;

typedef struct _i2o_mca_bus
{
        u16     McaBaseIOPort;
        u8      reserved;
        u8      McaSlotNumber;
        u32     McaBaseMemoryAddress;
} i2o_mca_bus;

typedef struct _i2o_other_bus
{
        u16 BaseIOPort;
        u16 reserved;
        u32 BaseMemoryAddress;
} i2o_other_bus;

typedef struct _i2o_hrt_entry
{
        u32     adapter_id;
        u32     parent_tid:12;
        u32     tate:4;
        u32     bus_num:8;
        u32     bus_type:8;
        union
        {
                i2o_pci_bus     pci_bus;
                i2o_local_bus   local_bus;
                i2o_isa_bus     isa_bus;
                i2o_eisa_bus    eisa_bus;
                i2o_mca_bus     mca_bus;
                i2o_other_bus   other_bus;
        } bus;
} i2o_hrt_entry;

typedef struct _i2o_hrt
{
        u16     num_entries;
        u8      entry_len;
        u8      hrt_version;
        u32     change_ind;
        i2o_hrt_entry hrt_entry[1];
} i2o_hrt;

typedef struct _i2o_lct_entry
{
        u32     entry_size:16;
        u32     tid:12;
        u32     reserved:4;
        u32     change_ind;
        u32     device_flags;
        u32     class_id:12;
        u32     version:4;
        u32     vendor_id:16;
        u32     sub_class;
        u32     user_tid:12;
        u32     parent_tid:12;
        u32     bios_info:8;
        u8      identity_tag[8];
        u32     event_capabilities;
} i2o_lct_entry;

typedef struct _i2o_lct
{
        u32     table_size:16;
        u32     boot_tid:12;
        u32     lct_ver:4;
        u32     iop_flags;
        u32     change_ind;
        i2o_lct_entry lct_entry[1];
} i2o_lct;

typedef struct _i2o_status_block
{
        u16     org_id;
        u16     reserved;
        u16     iop_id:12;
        u16     reserved1:4;
        u16     host_unit_id;
        u16     segment_number:12;
        u16     i2o_version:4;
        u8      iop_state;
        u8      msg_type;
        u16     inbound_frame_size;
        u8      init_code;
        u8      reserved2;
        u32     max_inbound_frames;
        u32     cur_inbound_frames;
        u32     max_outbound_frames;
        char    product_id[24];
        u32     expected_lct_size;
        u32     iop_capabilities;
        u32     desired_mem_size;
        u32     current_mem_size;
        u32     current_mem_base;
        u32     desired_io_size;
        u32     current_io_size;
        u32     current_io_base;
        u32     reserved3:24;
        u32     cmd_status:8;
} i2o_status_block;

/* Event indicator mask flags */
#define I2O_EVT_IND_STATE_CHANGE                0x80000000
#define I2O_EVT_IND_GENERAL_WARNING             0x40000000
#define I2O_EVT_IND_CONFIGURATION_FLAG          0x20000000
#define I2O_EVT_IND_LOCK_RELEASE                0x10000000
#define I2O_EVT_IND_CAPABILITY_CHANGE           0x08000000
#define I2O_EVT_IND_DEVICE_RESET                0x04000000
#define I2O_EVT_IND_EVT_MASK_MODIFIED           0x02000000
#define I2O_EVT_IND_FIELD_MODIFIED              0x01000000
#define I2O_EVT_IND_VENDOR_EVT                  0x00800000
#define I2O_EVT_IND_DEVICE_STATE                0x00400000

/* Executive event indicitors */
#define I2O_EVT_IND_EXEC_RESOURCE_LIMITS        0x00000001
#define I2O_EVT_IND_EXEC_CONNECTION_FAIL        0x00000002
#define I2O_EVT_IND_EXEC_ADAPTER_FAULT          0x00000004
#define I2O_EVT_IND_EXEC_POWER_FAIL             0x00000008
#define I2O_EVT_IND_EXEC_RESET_PENDING          0x00000010
#define I2O_EVT_IND_EXEC_RESET_IMMINENT         0x00000020
#define I2O_EVT_IND_EXEC_HW_FAIL                0x00000040
#define I2O_EVT_IND_EXEC_XCT_CHANGE             0x00000080
#define I2O_EVT_IND_EXEC_NEW_LCT_ENTRY          0x00000100
#define I2O_EVT_IND_EXEC_MODIFIED_LCT           0x00000200
#define I2O_EVT_IND_EXEC_DDM_AVAILABILITY       0x00000400

/* Random Block Storage Event Indicators */
#define I2O_EVT_IND_BSA_VOLUME_LOAD             0x00000001
#define I2O_EVT_IND_BSA_VOLUME_UNLOAD           0x00000002
#define I2O_EVT_IND_BSA_VOLUME_UNLOAD_REQ       0x00000004
#define I2O_EVT_IND_BSA_CAPACITY_CHANGE         0x00000008
#define I2O_EVT_IND_BSA_SCSI_SMART              0x00000010

/* Event data for generic events */
#define I2O_EVT_STATE_CHANGE_NORMAL             0x00
#define I2O_EVT_STATE_CHANGE_SUSPENDED          0x01
#define I2O_EVT_STATE_CHANGE_RESTART            0x02
#define I2O_EVT_STATE_CHANGE_NA_RECOVER         0x03
#define I2O_EVT_STATE_CHANGE_NA_NO_RECOVER      0x04
#define I2O_EVT_STATE_CHANGE_QUIESCE_REQUEST    0x05
#define I2O_EVT_STATE_CHANGE_FAILED             0x10
#define I2O_EVT_STATE_CHANGE_FAULTED            0x11

#define I2O_EVT_GEN_WARNING_NORMAL              0x00
#define I2O_EVT_GEN_WARNING_ERROR_THRESHOLD     0x01
#define I2O_EVT_GEN_WARNING_MEDIA_FAULT         0x02

#define I2O_EVT_CAPABILITY_OTHER                0x01
#define I2O_EVT_CAPABILITY_CHANGED              0x02

#define I2O_EVT_SENSOR_STATE_CHANGED            0x01

/*
 *      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

/*
 *      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

#endif /* _I2O_DEV_H */