--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * 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 *msg; /* message */
+};
+
+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;
+};
+
+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 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 0x080
+#define I2O_CLASS_PEER_TRANSPORT_AGENT 0x090
+#define I2O_CLASS_PEER_TRANSPORT 0x091
+#define I2O_CLASS_END 0xfff
+
+/*
+ * 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
+
+/*
+ * Software module types
+ */
+#define I2O_SOFTWARE_MODULE_IRTOS 0x11
+#define I2O_SOFTWARE_MODULE_IOP_PRIVATE 0x22
+#define I2O_SOFTWARE_MODULE_IOP_CONFIG 0x23
+
+/*
+ * Vendors
+ */
+#define I2O_VENDOR_DPT 0x001b
+
+/*
+ * DPT / Adaptec specific values for i2o_sg_io_hdr flags.
+ */
+#define I2O_DPT_SG_FLAG_INTERPRET 0x00010000
+#define I2O_DPT_SG_FLAG_PHYSICAL 0x00020000
+
+#define I2O_DPT_FLASH_FRAG_SIZE 0x10000
+#define I2O_DPT_FLASH_READ 0x0101
+#define I2O_DPT_FLASH_WRITE 0x0102
+
+#endif /* _I2O_DEV_H */
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