/*
* 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 includes 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>
#include <linux/types.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)
#define I2OPASSTHRU _IOR(I2O_MAGIC_NUMBER,12,struct i2o_cmd_passthru)
#define I2OPASSTHRU32 _IOR(I2O_MAGIC_NUMBER,12,struct i2o_cmd_passthru32)
struct i2o_cmd_passthru32 {
unsigned int iop; /* IOP unit number */
__u32 msg; /* message */
};
struct i2o_cmd_passthru {
unsigned int iop; /* IOP unit number */
void __user *msg; /* message */
};
struct i2o_cmd_hrtlct {
unsigned int iop; /* IOP unit number */
void __user *resbuf; /* Buffer for result */
unsigned int __user *reslen; /* Buffer length in bytes */
};
struct i2o_cmd_psetget {
unsigned int iop; /* IOP unit number */
unsigned int tid; /* Target device TID */
void __user *opbuf; /* Operation List buffer */
unsigned int oplen; /* Operation List buffer length in bytes */
void __user *resbuf; /* Result List buffer */
unsigned int __user *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 __user *buf; /* Pointer to software buffer */
unsigned int __user *swlen; /* Length of software data */
unsigned int __user *maxfrag; /* Maximum fragment count */
unsigned int __user *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 __user *resbuf; /* Buffer for reply HTML page */
unsigned int __user *reslen; /* Length in bytes of reply buffer */
void __user *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;
};
typedef struct i2o_sg_io_hdr {
unsigned int flags; /* see I2O_DPT_SG_IO_FLAGS */
} i2o_sg_io_hdr_t;
/**************************************************************************
* HRT related constants and structures
**************************************************************************/
#define I2O_BUS_LOCAL 0
#define I2O_BUS_ISA 1
#define I2O_BUS_EISA 2
/* was 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
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 state: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