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https://github.com/edk2-porting/linux-next.git
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a42078b9e8
Add missing structure definition for various newer fsctl operations - duplicate_extents_ex - get_integrity_information - query_file_regions - query_on_disk_volume_info And move some fsctl defintions to smbfs_common Signed-off-by: Steve French <stfrench@microsoft.com>
432 lines
10 KiB
C
432 lines
10 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 */
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/*
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*
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* Copyright (c) International Business Machines Corp., 2009, 2013
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* Etersoft, 2012
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* Author(s): Steve French (sfrench@us.ibm.com)
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* Pavel Shilovsky (pshilovsky@samba.org) 2012
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*
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*/
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#ifndef _SMB2PDU_H
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#define _SMB2PDU_H
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#include <net/sock.h>
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#include "cifsacl.h"
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/* 52 transform hdr + 64 hdr + 88 create rsp */
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#define SMB2_TRANSFORM_HEADER_SIZE 52
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#define MAX_SMB2_HDR_SIZE 204
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/* The total header size for SMB2 read and write */
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#define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_hdr))
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/* See MS-SMB2 2.2.43 */
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struct smb2_rdma_transform {
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__le16 RdmaDescriptorOffset;
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__le16 RdmaDescriptorLength;
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__le32 Channel; /* for values see channel description in smb2 read above */
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__le16 TransformCount;
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__le16 Reserved1;
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__le32 Reserved2;
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} __packed;
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/* TransformType */
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#define SMB2_RDMA_TRANSFORM_TYPE_ENCRYPTION 0x0001
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#define SMB2_RDMA_TRANSFORM_TYPE_SIGNING 0x0002
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struct smb2_rdma_crypto_transform {
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__le16 TransformType;
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__le16 SignatureLength;
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__le16 NonceLength;
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__u16 Reserved;
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__u8 Signature[]; /* variable length */
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/* u8 Nonce[] */
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/* followed by padding */
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} __packed;
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/*
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* Definitions for SMB2 Protocol Data Units (network frames)
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*
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* See MS-SMB2.PDF specification for protocol details.
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* The Naming convention is the lower case version of the SMB2
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* command code name for the struct. Note that structures must be packed.
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*
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*/
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#define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
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#define SYMLINK_ERROR_TAG 0x4c4d5953
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struct smb2_symlink_err_rsp {
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__le32 SymLinkLength;
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__le32 SymLinkErrorTag;
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__le32 ReparseTag;
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__le16 ReparseDataLength;
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__le16 UnparsedPathLength;
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__le16 SubstituteNameOffset;
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__le16 SubstituteNameLength;
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__le16 PrintNameOffset;
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__le16 PrintNameLength;
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__le32 Flags;
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__u8 PathBuffer[];
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} __packed;
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/* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
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struct smb2_error_context_rsp {
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__le32 ErrorDataLength;
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__le32 ErrorId;
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__u8 ErrorContextData; /* ErrorDataLength long array */
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} __packed;
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/* ErrorId values */
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#define SMB2_ERROR_ID_DEFAULT 0x00000000
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#define SMB2_ERROR_ID_SHARE_REDIRECT cpu_to_le32(0x72645253) /* "rdRS" */
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/* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
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#define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001)
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#define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002)
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struct move_dst_ipaddr {
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__le32 Type;
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__u32 Reserved;
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__u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
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} __packed;
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struct share_redirect_error_context_rsp {
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__le32 StructureSize;
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__le32 NotificationType;
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__le32 ResourceNameOffset;
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__le32 ResourceNameLength;
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__le16 Reserved;
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__le16 TargetType;
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__le32 IPAddrCount;
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struct move_dst_ipaddr IpAddrMoveList[];
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/* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
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} __packed;
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/*
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* Maximum number of iovs we need for an open/create request.
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* [0] : struct smb2_create_req
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* [1] : path
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* [2] : lease context
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* [3] : durable context
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* [4] : posix context
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* [5] : time warp context
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* [6] : query id context
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* [7] : compound padding
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*/
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#define SMB2_CREATE_IOV_SIZE 8
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/*
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* Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
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* 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
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* 2 bytes of padding.
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*/
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#define MAX_SMB2_CREATE_RESPONSE_SIZE 880
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#define SMB2_LEASE_READ_CACHING_HE 0x01
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#define SMB2_LEASE_HANDLE_CACHING_HE 0x02
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#define SMB2_LEASE_WRITE_CACHING_HE 0x04
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struct create_durable {
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struct create_context ccontext;
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__u8 Name[8];
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union {
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__u8 Reserved[16];
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struct {
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__u64 PersistentFileId;
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__u64 VolatileFileId;
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} Fid;
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} Data;
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} __packed;
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/* See MS-SMB2 2.2.13.2.11 */
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/* Flags */
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#define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002
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struct durable_context_v2 {
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__le32 Timeout;
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__le32 Flags;
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__u64 Reserved;
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__u8 CreateGuid[16];
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} __packed;
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struct create_durable_v2 {
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struct create_context ccontext;
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__u8 Name[8];
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struct durable_context_v2 dcontext;
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} __packed;
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/* See MS-SMB2 2.2.13.2.12 */
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struct durable_reconnect_context_v2 {
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struct {
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__u64 PersistentFileId;
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__u64 VolatileFileId;
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} Fid;
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__u8 CreateGuid[16];
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__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
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} __packed;
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/* See MS-SMB2 2.2.14.2.9 */
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struct create_on_disk_id {
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struct create_context ccontext;
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__u8 Name[8];
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__le64 DiskFileId;
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__le64 VolumeId;
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__u32 Reserved[4];
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} __packed;
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/* See MS-SMB2 2.2.14.2.12 */
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struct durable_reconnect_context_v2_rsp {
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__le32 Timeout;
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__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
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} __packed;
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struct create_durable_handle_reconnect_v2 {
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struct create_context ccontext;
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__u8 Name[8];
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struct durable_reconnect_context_v2 dcontext;
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__u8 Pad[4];
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} __packed;
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/* See MS-SMB2 2.2.13.2.5 */
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struct crt_twarp_ctxt {
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struct create_context ccontext;
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__u8 Name[8];
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__le64 Timestamp;
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} __packed;
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/* See MS-SMB2 2.2.13.2.9 */
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struct crt_query_id_ctxt {
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struct create_context ccontext;
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__u8 Name[8];
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} __packed;
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struct crt_sd_ctxt {
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struct create_context ccontext;
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__u8 Name[8];
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struct smb3_sd sd;
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} __packed;
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#define COPY_CHUNK_RES_KEY_SIZE 24
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struct resume_key_req {
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char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
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__le32 ContextLength; /* MBZ */
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char Context[]; /* ignored, Windows sets to 4 bytes of zero */
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} __packed;
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/* this goes in the ioctl buffer when doing a copychunk request */
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struct copychunk_ioctl {
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char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
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__le32 ChunkCount; /* we are only sending 1 */
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__le32 Reserved;
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/* array will only be one chunk long for us */
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__le64 SourceOffset;
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__le64 TargetOffset;
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__le32 Length; /* how many bytes to copy */
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__u32 Reserved2;
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} __packed;
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struct copychunk_ioctl_rsp {
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__le32 ChunksWritten;
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__le32 ChunkBytesWritten;
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__le32 TotalBytesWritten;
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} __packed;
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/* See MS-FSCC 2.3.29 and 2.3.30 */
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struct get_retrieval_pointer_count_req {
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__le64 StartingVcn; /* virtual cluster number (signed) */
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} __packed;
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struct get_retrieval_pointer_count_rsp {
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__le32 ExtentCount;
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} __packed;
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/*
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* See MS-FSCC 2.3.33 and 2.3.34
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* request is the same as get_retrieval_point_count_req struct above
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*/
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struct smb3_extents {
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__le64 NextVcn;
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__le64 Lcn; /* logical cluster number */
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} __packed;
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struct get_retrieval_pointers_refcount_rsp {
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__le32 ExtentCount;
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__u32 Reserved;
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__le64 StartingVcn;
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struct smb3_extents extents[];
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} __packed;
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/* See MS-DFSC 2.2.2 */
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struct fsctl_get_dfs_referral_req {
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__le16 MaxReferralLevel;
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__u8 RequestFileName[];
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} __packed;
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/* DFS response is struct get_dfs_refer_rsp */
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/* See MS-SMB2 2.2.31.3 */
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struct network_resiliency_req {
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__le32 Timeout;
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__le32 Reserved;
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} __packed;
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/* There is no buffer for the response ie no struct network_resiliency_rsp */
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#define RSS_CAPABLE cpu_to_le32(0x00000001)
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#define RDMA_CAPABLE cpu_to_le32(0x00000002)
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#define INTERNETWORK cpu_to_le16(0x0002)
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#define INTERNETWORKV6 cpu_to_le16(0x0017)
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struct network_interface_info_ioctl_rsp {
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__le32 Next; /* next interface. zero if this is last one */
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__le32 IfIndex;
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__le32 Capability; /* RSS or RDMA Capable */
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__le32 Reserved;
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__le64 LinkSpeed;
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__le16 Family;
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__u8 Buffer[126];
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} __packed;
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struct iface_info_ipv4 {
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__be16 Port;
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__be32 IPv4Address;
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__be64 Reserved;
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} __packed;
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struct iface_info_ipv6 {
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__be16 Port;
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__be32 FlowInfo;
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__u8 IPv6Address[16];
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__be32 ScopeId;
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} __packed;
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#define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
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struct compress_ioctl {
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__le16 CompressionState; /* See cifspdu.h for possible flag values */
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} __packed;
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/*
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* Maximum number of iovs we need for an ioctl request.
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* [0] : struct smb2_ioctl_req
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* [1] : in_data
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*/
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#define SMB2_IOCTL_IOV_SIZE 2
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/*
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* PDU query infolevel structure definitions
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* BB consider moving to a different header
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*/
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struct smb2_file_full_ea_info { /* encoding of response for level 15 */
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__le32 next_entry_offset;
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__u8 flags;
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__u8 ea_name_length;
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__le16 ea_value_length;
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char ea_data[]; /* \0 terminated name plus value */
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} __packed; /* level 15 Set */
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struct smb2_file_reparse_point_info {
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__le64 IndexNumber;
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__le32 Tag;
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} __packed;
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struct smb2_file_network_open_info {
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__le64 CreationTime;
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__le64 LastAccessTime;
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__le64 LastWriteTime;
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__le64 ChangeTime;
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__le64 AllocationSize;
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__le64 EndOfFile;
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__le32 Attributes;
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__le32 Reserved;
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} __packed; /* level 34 Query also similar returned in close rsp and open rsp */
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/* See MS-FSCC 2.4.21 */
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struct smb2_file_id_information {
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__le64 VolumeSerialNumber;
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__u64 PersistentFileId; /* opaque endianness */
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__u64 VolatileFileId; /* opaque endianness */
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} __packed; /* level 59 */
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/* See MS-FSCC 2.4.18 */
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struct smb2_file_id_extd_directory_info {
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__le32 NextEntryOffset;
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__u32 FileIndex;
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__le64 CreationTime;
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__le64 LastAccessTime;
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__le64 LastWriteTime;
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__le64 ChangeTime;
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__le64 EndOfFile;
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__le64 AllocationSize;
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__le32 FileAttributes;
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__le32 FileNameLength;
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__le32 EaSize; /* EA size */
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__le32 ReparsePointTag; /* valid if FILE_ATTR_REPARSE_POINT set in FileAttributes */
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__le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit */
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char FileName[1];
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} __packed; /* level 60 */
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extern char smb2_padding[7];
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/* equivalent of the contents of SMB3.1.1 POSIX open context response */
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struct create_posix_rsp {
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u32 nlink;
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u32 reparse_tag;
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u32 mode;
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struct cifs_sid owner; /* var-sized on the wire */
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struct cifs_sid group; /* var-sized on the wire */
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} __packed;
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#define SMB2_QUERY_DIRECTORY_IOV_SIZE 2
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/*
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* SMB2-only POSIX info level for query dir
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*
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* See posix_info_sid_size(), posix_info_extra_size() and
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* posix_info_parse() to help with the handling of this struct.
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*/
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struct smb2_posix_info {
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__le32 NextEntryOffset;
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__u32 Ignored;
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__le64 CreationTime;
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__le64 LastAccessTime;
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__le64 LastWriteTime;
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__le64 ChangeTime;
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__le64 EndOfFile;
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__le64 AllocationSize;
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__le32 DosAttributes;
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__le64 Inode;
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__le32 DeviceId;
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__le32 Zero;
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/* beginning of POSIX Create Context Response */
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__le32 HardLinks;
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__le32 ReparseTag;
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__le32 Mode;
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/*
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* var sized owner SID
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* var sized group SID
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* le32 filenamelength
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* u8 filename[]
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*/
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} __packed;
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/*
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* Parsed version of the above struct. Allows direct access to the
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* variable length fields
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*/
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struct smb2_posix_info_parsed {
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const struct smb2_posix_info *base;
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size_t size;
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struct cifs_sid owner;
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struct cifs_sid group;
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int name_len;
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const u8 *name;
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};
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#endif /* _SMB2PDU_H */
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