The GET_LOCAL_HOST_INFO7_WXP structure is returned by a REQUEST_GET_LOCAL_HOST_INFO request with u.GetLocalHostInformation.nLevel set to GET_HOST_DMA_CAPABILITIES. The GET_LOCAL_HOST_INFO7_W2K structure is returned by a REQUEST_GET_LOCAL_HOST_INFO request with u.GetLocalHostInformation.nLevel set to GET_HOST_DMA_CAPABILITIES. The GET_LOCAL_HOST_INFO6 structure contains the data returned by a REQUEST_GET_LOCAL_HOST_INFO request using u.GetLocalHostInformation.nLevel = GET_HOST_CSR_CONTENTS. The GET_LOCAL_HOST_INFO5 structure contains the data returned by a REQUEST_GET_LOCAL_HOST_INFO request using u.GetLocalHostInformation.nLevel = GET_HOST_CONFIG_ROM.

The GET_LOCAL_HOST_INFO4 structure contains the data returned by a REQUEST_GET_LOCAL_HOST_INFO request using u.GetLocalHostInformation.nLevel = GET_PHYS_ADDR_ROUTINE. The GET_LOCAL_HOST_INFO3 structure contains the data returned by a REQUEST_GET_LOCAL_HOST_INFO request using u.GetLocalHostInformation.nLevel = GET_POWER_SUPPLIED. The GET_LOCAL_HOST_INFO2 structure contains the data returned by a REQUEST_GET_LOCAL_HOST_INFO request using u.GetLocalHostInformation.nLevel GET_HOST_CAPABILITIES.

The GET_LOCAL_HOST_INFO1 structure contains the data returned by a REQUEST_GET_LOCAL_HOST_INFO request using u.GetLocalHostInformation.nLevel GET_HOST_UNIQUE_ID. The CYCLE_TIME structure contains the IEEE 1394 isochronous cycle time. The CONFIG_ROM structure is used to contain the first 24 bytes of an IEEE 1394 device's configuration ROM. The BUS_RESET_DATA structure specifies the context for the extended bus reset notification routine. The ADDRESS_RANGE structure describes a range in a IEEE 1394 device's address space. The ADDRESS_OFFSET structure specifies the 48-bit address within a device's IEEE 1394 address space. The ADDRESS_FIFO structure is an entry in a singly-linked list of MDLs that the REQUEST_ALLOCATE_ADDRESS_RANGE IEEE 1394 bus request uses. The driver has access to all operations provided by the IEEE 1394 bus and its host controller through this request. For more information, see:ġ394.h contains the following programming interfaces: IOCTLsĪn IEEE 1394 driver uses the IRP_MJ_INTERNAL_DEVICE_CONTROL IRP, with IoControlCode IOCTL_1394_CLASS, to communicate with the bus driver.

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