i2o.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:20k
- /*
- * 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.
- *
- */
- #ifndef _I2O_H
- #define _I2O_H
- #ifdef __KERNEL__ /* This file to be included by kernel only */
- #include <linux/i2o-dev.h>
- /* How many different OSM's are we allowing */
- #define MAX_I2O_MODULES 64
- /* How many OSMs can register themselves for device status updates? */
- #define I2O_MAX_MANAGERS 4
- #include <asm/semaphore.h> /* Needed for MUTEX init macros */
- #include <linux/config.h>
- #include <linux/notifier.h>
- #include <asm/atomic.h>
- /*
- * 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 */
- };
- /*
- * Each I2O device entity has one or more of these. There is one
- * per device.
- */
- struct i2o_device
- {
- i2o_lct_entry lct_data; /* Device LCT information */
- u32 flags;
- int i2oversion; /* I2O version supported. Actually
- * there should be high and low
- * version */
- struct proc_dir_entry *proc_entry; /* /proc dir */
- /* Primary user */
- struct i2o_handler *owner;
- /* Management users */
- struct i2o_handler *managers[I2O_MAX_MANAGERS];
- int num_managers;
- struct i2o_controller *controller; /* Controlling IOP */
- struct i2o_device *next; /* Chain */
- struct i2o_device *prev;
- char dev_name[8]; /* linux /dev name if available */
- };
- /*
- * Resource data for each PCI I2O controller
- */
- struct i2o_pci
- {
- int irq;
- int short_req:1; /* Use small block sizes */
- int dpt:1; /* Don't quiesce */
- int promise:1; /* Promise controller */
- #ifdef CONFIG_MTRR
- int mtrr_reg0;
- int mtrr_reg1;
- #endif
- };
- /*
- * Transport types supported by I2O stack
- */
- #define I2O_TYPE_PCI 0x01 /* PCI I2O controller */
- /*
- * Each I2O controller has one of these objects
- */
- struct i2o_controller
- {
- struct pci_dev *pdev; /* PCI device */
- 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 */
- unsigned long post_port; /* Inbout port address */
- unsigned long reply_port; /* Outbound port address */
- unsigned long irq_mask; /* Interrupt register address */
- /* Dynamic LCT related data */
- struct semaphore lct_sem;
- int lct_pid;
- int lct_running;
- i2o_status_block *status_block; /* IOP status block */
- i2o_lct *lct; /* Logical Config Table */
- i2o_lct *dlct; /* Temp LCT */
- i2o_hrt *hrt; /* HW Resource Table */
- unsigned long mem_offset; /* MFA offset */
- unsigned long mem_phys; /* MFA physical */
- int battery:1; /* Has a battery backup */
- int io_alloc:1; /* An I/O resource was allocated */
- int mem_alloc:1; /* A memory resource was allocated */
- struct resource io_resource; /* I/O resource allocated to the IOP */
- struct resource mem_resource; /* Mem resource allocated to the IOP */
- struct proc_dir_entry *proc_entry; /* /proc dir */
- union { /* Bus information */
- struct i2o_pci pci;
- } bus;
- /* Bus specific destructor */
- void (*destructor)(struct i2o_controller *);
- /* Bus specific attach/detach */
- int (*bind)(struct i2o_controller *, struct i2o_device *);
- /* Bus specific initiator */
- int (*unbind)(struct i2o_controller *, struct i2o_device *);
- /* Bus specific enable/disable */
- void (*bus_enable)(struct i2o_controller *);
- void (*bus_disable)(struct i2o_controller *);
- void *page_frame; /* Message buffers */
- dma_addr_t page_frame_map; /* Cache map */
- };
- /*
- * OSM resgistration block
- *
- * Each OSM creates at least one of these and registers it with the
- * I2O core through i2o_register_handler. An OSM may want to
- * register more than one if it wants a fast path to a reply
- * handler by having a separate initiator context for each
- * class function.
- */
- struct i2o_handler
- {
- /* Message reply handler */
- void (*reply)(struct i2o_handler *, struct i2o_controller *,
- struct i2o_message *);
- /* New device notification handler */
- void (*new_dev_notify)(struct i2o_controller *, struct i2o_device *);
- /* Device deltion handler */
- void (*dev_del_notify)(struct i2o_controller *, struct i2o_device *);
- /* Reboot notification handler */
- void (*reboot_notify)(void);
- char *name; /* OSM name */
- int context; /* Low 8 bits of the transaction info */
- u32 class; /* I2O classes that this driver handles */
- /* User data follows */
- };
- #ifdef MODULE
- /*
- * Used by bus specific modules to communicate with the core
- *
- * This is needed because the bus modules cannot make direct
- * calls to the core as this results in the i2o_bus_specific_module
- * being dependent on the core, not the otherway around.
- * In that case, a 'modprobe i2o_lan' loads i2o_core & i2o_lan,
- * but _not_ i2o_pci...which makes the whole thing pretty useless :)
- *
- */
- struct i2o_core_func_table
- {
- int (*install)(struct i2o_controller *);
- int (*activate)(struct i2o_controller *);
- struct i2o_controller *(*find)(int);
- void (*unlock)(struct i2o_controller *);
- void (*run_queue)(struct i2o_controller * c);
- int (*delete)(struct i2o_controller *);
- };
- #endif /* MODULE */
- /*
- * I2O System table entry
- *
- * The system table contains information about all the IOPs in the
- * system. It is sent to all IOPs so that they can create peer2peer
- * connections between them.
- */
- 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];
- };
- /*
- * Messenger inlines
- */
- static inline u32 I2O_POST_READ32(struct i2o_controller *c)
- {
- return readl(c->post_port);
- }
- static inline void I2O_POST_WRITE32(struct i2o_controller *c, u32 val)
- {
- writel(val, c->post_port);
- }
- static inline u32 I2O_REPLY_READ32(struct i2o_controller *c)
- {
- return readl(c->reply_port);
- }
- static inline void I2O_REPLY_WRITE32(struct i2o_controller *c, u32 val)
- {
- writel(val, c->reply_port);
- }
- static inline u32 I2O_IRQ_READ32(struct i2o_controller *c)
- {
- return readl(c->irq_mask);
- }
- static inline void I2O_IRQ_WRITE32(struct i2o_controller *c, u32 val)
- {
- writel(val, c->irq_mask);
- }
- static inline void i2o_post_message(struct i2o_controller *c, u32 m)
- {
- /* The second line isnt spurious - thats forcing PCI posting */
- I2O_POST_WRITE32(c, m);
- (void) I2O_IRQ_READ32(c);
- }
- static inline void i2o_flush_reply(struct i2o_controller *c, u32 m)
- {
- I2O_REPLY_WRITE32(c, m);
- }
- /*
- * Endian handling wrapped into the macro - keeps the core code
- * cleaner.
- */
-
- #define i2o_raw_writel(val, mem) __raw_writel(cpu_to_le32(val), mem)
- extern struct i2o_controller *i2o_find_controller(int);
- extern void i2o_unlock_controller(struct i2o_controller *);
- extern struct i2o_controller *i2o_controller_chain;
- extern int i2o_num_controllers;
- extern int i2o_status_get(struct i2o_controller *);
- extern int i2o_install_handler(struct i2o_handler *);
- extern int i2o_remove_handler(struct i2o_handler *);
- extern int i2o_claim_device(struct i2o_device *, struct i2o_handler *);
- extern int i2o_release_device(struct i2o_device *, struct i2o_handler *);
- extern int i2o_device_notify_on(struct i2o_device *, struct i2o_handler *);
- extern int i2o_device_notify_off(struct i2o_device *,
- struct i2o_handler *);
- extern int i2o_post_this(struct i2o_controller *, u32 *, int);
- extern int i2o_post_wait(struct i2o_controller *, u32 *, int, int);
- extern int i2o_post_wait_mem(struct i2o_controller *, u32 *, int, int,
- void *, void *);
- extern int i2o_query_scalar(struct i2o_controller *, int, int, int, void *,
- int);
- extern int i2o_set_scalar(struct i2o_controller *, int, int, int, void *,
- int);
- extern int i2o_query_table(int, struct i2o_controller *, int, int, int,
- void *, int, void *, int);
- extern int i2o_clear_table(struct i2o_controller *, int, int);
- extern int i2o_row_add_table(struct i2o_controller *, int, int, int,
- void *, int);
- extern int i2o_issue_params(int, struct i2o_controller *, int, void *, int,
- void *, int);
- extern int i2o_event_register(struct i2o_controller *, u32, u32, u32, u32);
- extern int i2o_event_ack(struct i2o_controller *, u32 *);
- extern void i2o_report_status(const char *, const char *, u32 *);
- extern void i2o_dump_message(u32 *);
- extern const char *i2o_get_class_name(int);
- extern int i2o_install_controller(struct i2o_controller *);
- extern int i2o_activate_controller(struct i2o_controller *);
- extern void i2o_run_queue(struct i2o_controller *);
- extern int i2o_delete_controller(struct i2o_controller *);
- /*
- * Cache strategies
- */
-
-
- /* The NULL strategy leaves everything up to the controller. This tends to be a
- * pessimal but functional choice.
- */
- #define CACHE_NULL 0
- /* Prefetch data when reading. We continually attempt to load the next 32 sectors
- * into the controller cache.
- */
- #define CACHE_PREFETCH 1
- /* Prefetch data when reading. We sometimes attempt to load the next 32 sectors
- * into the controller cache. When an I/O is less <= 8K we assume its probably
- * not sequential and don't prefetch (default)
- */
- #define CACHE_SMARTFETCH 2
- /* Data is written to the cache and then out on to the disk. The I/O must be
- * physically on the medium before the write is acknowledged (default without
- * NVRAM)
- */
- #define CACHE_WRITETHROUGH 17
- /* Data is written to the cache and then out on to the disk. The controller
- * is permitted to write back the cache any way it wants. (default if battery
- * backed NVRAM is present). It can be useful to set this for swap regardless of
- * battery state.
- */
- #define CACHE_WRITEBACK 18
- /* Optimise for under powered controllers, especially on RAID1 and RAID0. We
- * write large I/O's directly to disk bypassing the cache to avoid the extra
- * memory copy hits. Small writes are writeback cached
- */
- #define CACHE_SMARTBACK 19
- /* Optimise for under powered controllers, especially on RAID1 and RAID0. We
- * write large I/O's directly to disk bypassing the cache to avoid the extra
- * memory copy hits. Small writes are writethrough cached. Suitable for devices
- * lacking battery backup
- */
- #define CACHE_SMARTTHROUGH 20
- /*
- * Ioctl structures
- */
-
- #define BLKI2OGRSTRAT _IOR('2', 1, int)
- #define BLKI2OGWSTRAT _IOR('2', 2, int)
- #define BLKI2OSRSTRAT _IOW('2', 3, int)
- #define BLKI2OSWSTRAT _IOW('2', 4, int)
- /*
- * I2O Function codes
- */
- /*
- * Executive Class
- */
- #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
- /*
- * Utility Class
- */
- #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
- /*
- * SCSI Host Bus Adapter Class
- */
- #define I2O_CMD_SCSI_EXEC 0x81
- #define I2O_CMD_SCSI_ABORT 0x83
- #define I2O_CMD_SCSI_BUSRESET 0x27
- /*
- * Random Block Storage Class
- */
- #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_CMD_BLOCK_POWER 0x70
- #define I2O_PRIVATE_MSG 0xFF
- /* Command status values */
- #define I2O_CMD_IN_PROGRESS 0x01
- #define I2O_CMD_REJECTED 0x02
- #define I2O_CMD_FAILED 0x03
- #define I2O_CMD_COMPLETED 0x04
- /* 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
- /* FailureStatusCodes, Table 3-3 Message Failure Codes */
- #define I2O_FSC_TRANSPORT_SERVICE_SUSPENDED 0x81
- #define I2O_FSC_TRANSPORT_SERVICE_TERMINATED 0x82
- #define I2O_FSC_TRANSPORT_CONGESTION 0x83
- #define I2O_FSC_TRANSPORT_FAILURE 0x84
- #define I2O_FSC_TRANSPORT_STATE_ERROR 0x85
- #define I2O_FSC_TRANSPORT_TIME_OUT 0x86
- #define I2O_FSC_TRANSPORT_ROUTING_FAILURE 0x87
- #define I2O_FSC_TRANSPORT_INVALID_VERSION 0x88
- #define I2O_FSC_TRANSPORT_INVALID_OFFSET 0x89
- #define I2O_FSC_TRANSPORT_INVALID_MSG_FLAGS 0x8A
- #define I2O_FSC_TRANSPORT_FRAME_TOO_SMALL 0x8B
- #define I2O_FSC_TRANSPORT_FRAME_TOO_LARGE 0x8C
- #define I2O_FSC_TRANSPORT_INVALID_TARGET_ID 0x8D
- #define I2O_FSC_TRANSPORT_INVALID_INITIATOR_ID 0x8E
- #define I2O_FSC_TRANSPORT_INVALID_INITIATOR_CONTEXT 0x8F
- #define I2O_FSC_TRANSPORT_UNKNOWN_FAILURE 0xFF
- /* 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 TRL_OFFSET_5 (0x0050 | I2OVERSION)
- #define TRL_OFFSET_6 (0x0060 | I2OVERSION)
- /* 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
- /* 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_FINAL 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 ELEVEN_WORD_MSG_SIZE 0x000B0000
- #define I2O_MESSAGE_SIZE(x) ((x)<<16)
- /* Special TID Assignments */
- #define ADAPTER_TID 0
- #define HOST_TID 1
- #define MSG_FRAME_SIZE 64 /* i2o_scsi assumes >= 32 */
- #define NMBR_MSG_FRAMES 128
- #define MSG_POOL_SIZE (MSG_FRAME_SIZE*NMBR_MSG_FRAMES*sizeof(u32))
- #define I2O_POST_WAIT_OK 0
- #define I2O_POST_WAIT_TIMEOUT -ETIMEDOUT
- #endif /* __KERNEL__ */
- #endif /* _I2O_H */