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What IOCTL or FSCTL control codes does ONTAP support

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Applies to

ONTAP 9.14+

Answer

ONTAP supports the following control codes as of ONTAP 9.14:

FSCTL_DFS_GET_REFERRALS             = 0x00060194
FSCTL_DFS_GET_REFERRALS_EX          = 0x000601B0
FSCTL_FILE_LEVEL_TRIM               = 0x00098208
FSCTL_GET_REPARSE_POINT             = 0x000900a8
FSCTL_LMR_REQUEST_RESILIENCY        = 0x001401D4
FSCTL_OFFLOAD_READ                  = 0x00094264
FSCTL_OFFLOAD_WRITE                 = 0x00098268
FSCTL_PIPE_PEEK                     = 0x0011400C
FSCTL_PIPE_TRANSCEIVE               = 0x0011C017
FSCTL_PIPE_WAIT                     = 0x00110018
FSCTL_QUERY_ALLOCATED_RANGES        = 0x000940CF
FSCTL_SET_COMPRESSION               = 0x0009C040
FSCTL_SET_SPARSE                    = 0x000900c4
FSCTL_SET_ZERO_DATA                 = 0x000980c8
FSCTL_SRV_ENUMERATE_SNAPSHOTS       = 0x00144064
FSCTL_SRV_NOTIFY_TRANSACTION        = 0x00148118
FSCTL_SRV_READ_HASH                 = 0x001441BB
FSCTL_VALIDATE_NEGOTIATE_INFO       = 0x00140204
FSCTL_QUERY_NETWORK_INTERFACE_INFO  = 0x001401FC

Additional Information

Full list of IOCTL/FSCTL codes from Microsoft

[MS-FSCC]: FSCTL Structures | Microsoft Learn

[MS-SMB2]: SMB2 IOCTL Request | Microsoft Learn

[MS-SMB]: Client Request Extensions | Microsoft Learn

[MS-SMB2]: Handling a Query Shared Virtual Disk Support Request | Microsoft Learn

 

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