+#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
+
+/* DetailedStatusCode defines for Block Storage Operation: Table 6-7 Detailed
+ Status Codes.*/
+
+#define I2O_BSA_DSC_SUCCESS 0x0000
+#define I2O_BSA_DSC_MEDIA_ERROR 0x0001
+#define I2O_BSA_DSC_ACCESS_ERROR 0x0002
+#define I2O_BSA_DSC_DEVICE_FAILURE 0x0003
+#define I2O_BSA_DSC_DEVICE_NOT_READY 0x0004
+#define I2O_BSA_DSC_MEDIA_NOT_PRESENT 0x0005
+#define I2O_BSA_DSC_MEDIA_LOCKED 0x0006
+#define I2O_BSA_DSC_MEDIA_FAILURE 0x0007
+#define I2O_BSA_DSC_PROTOCOL_FAILURE 0x0008
+#define I2O_BSA_DSC_BUS_FAILURE 0x0009
+#define I2O_BSA_DSC_ACCESS_VIOLATION 0x000A
+#define I2O_BSA_DSC_WRITE_PROTECTED 0x000B
+#define I2O_BSA_DSC_DEVICE_RESET 0x000C
+#define I2O_BSA_DSC_VOLUME_CHANGED 0x000D
+#define I2O_BSA_DSC_TIMEOUT 0x000E
+
+/* 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 */
+#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_11 (0x00B0 | I2OVERSION)
+#define SGL_OFFSET_12 (0x00C0 | I2OVERSION)
+#define SGL_OFFSET(x) (((x)<<4) | 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
+
+/* outbound queue defines */
+#define I2O_MAX_OUTBOUND_MSG_FRAMES 128
+#define I2O_OUTBOUND_MSG_FRAME_SIZE 128 /* in 32-bit words */
+
+/* inbound queue definitions */
+#define I2O_MSG_INPOOL_MIN 32
+#define I2O_INBOUND_MSG_FRAME_SIZE 128 /* in 32-bit words */
+
+#define I2O_POST_WAIT_OK 0
+#define I2O_POST_WAIT_TIMEOUT -ETIMEDOUT
+
+#define I2O_CONTEXT_LIST_MIN_LENGTH 15
+#define I2O_CONTEXT_LIST_USED 0x01
+#define I2O_CONTEXT_LIST_DELETED 0x02
+
+/* timeouts */
+#define I2O_TIMEOUT_INIT_OUTBOUND_QUEUE 15
+#define I2O_TIMEOUT_MESSAGE_GET 5
+#define I2O_TIMEOUT_RESET 30
+#define I2O_TIMEOUT_STATUS_GET 5
+#define I2O_TIMEOUT_LCT_GET 360
+#define I2O_TIMEOUT_SCSI_SCB_ABORT 240
+
+/* retries */
+#define I2O_HRT_GET_TRIES 3
+#define I2O_LCT_GET_TRIES 3
+
+/* defines for max_sectors and max_phys_segments */
+#define I2O_MAX_SECTORS 1024
+#define I2O_MAX_SECTORS_LIMITED 128
+#define I2O_MAX_PHYS_SEGMENTS MAX_PHYS_SEGMENTS
+
+/*
+ * Message structures
+ */
+struct i2o_message {
+ union {
+ struct {
+ u8 version_offset;
+ u8 flags;
+ u16 size;
+ u32 target_tid:12;
+ u32 init_tid:12;
+ u32 function:8;
+ u32 icntxt; /* initiator context */
+ u32 tcntxt; /* transaction context */
+ } s;
+ u32 head[4];
+ } u;
+ /* List follows */
+ u32 body[0];
+};
+
+/* MFA and I2O message used by mempool */
+struct i2o_msg_mfa {
+ u32 mfa; /* MFA returned by the controller */
+ struct i2o_message msg; /* I2O message */
+};
+
+/*
+ * Each I2O device entity has one of these. There is one per device.
+ */
+struct i2o_device {
+ i2o_lct_entry lct_data; /* Device LCT information */
+
+ struct i2o_controller *iop; /* Controlling IOP */
+ struct list_head list; /* node in IOP devices list */
+
+ struct device device;
+
+ struct semaphore lock; /* device lock */
+};
+
+/*
+ * Event structure provided to the event handling function
+ */
+struct i2o_event {
+ struct work_struct work;
+ struct i2o_device *i2o_dev; /* I2O device pointer from which the
+ event reply was initiated */
+ u16 size; /* Size of data in 32-bit words */
+ u32 tcntxt; /* Transaction context used at
+ registration */
+ u32 event_indicator; /* Event indicator from reply */
+ u32 data[0]; /* Event data from reply */
+};
+
+/*
+ * I2O classes which could be handled by the OSM
+ */
+struct i2o_class_id {
+ u16 class_id:12;
+};
+
+/*
+ * I2O driver structure for OSMs
+ */
+struct i2o_driver {
+ char *name; /* OSM name */
+ int context; /* Low 8 bits of the transaction info */
+ struct i2o_class_id *classes; /* I2O classes that this OSM handles */
+
+ /* Message reply handler */
+ int (*reply) (struct i2o_controller *, u32, struct i2o_message *);
+
+ /* Event handler */
+ void (*event) (struct i2o_event *);
+
+ struct workqueue_struct *event_queue; /* Event queue */
+
+ struct device_driver driver;
+
+ /* notification of changes */
+ void (*notify_controller_add) (struct i2o_controller *);
+ void (*notify_controller_remove) (struct i2o_controller *);
+ void (*notify_device_add) (struct i2o_device *);
+ void (*notify_device_remove) (struct i2o_device *);
+
+ struct semaphore lock;
+};
+
+/*
+ * Contains DMA mapped address information
+ */
+struct i2o_dma {
+ void *virt;
+ dma_addr_t phys;
+ size_t len;
+};
+
+/*
+ * Contains slab cache and mempool information
+ */
+struct i2o_pool {
+ char *name;
+ kmem_cache_t *slab;
+ mempool_t *mempool;
+};
+
+/*
+ * Contains IO mapped address information
+ */
+struct i2o_io {
+ void __iomem *virt;
+ unsigned long phys;
+ unsigned long len;
+};
+
+/*
+ * Context queue entry, used for 32-bit context on 64-bit systems
+ */
+struct i2o_context_list_element {
+ struct list_head list;
+ u32 context;
+ void *ptr;
+ unsigned long timestamp;
+};
+
+/*
+ * Each I2O controller has one of these objects
+ */
+struct i2o_controller {
+ char name[16];
+ int unit;
+ int type;