[thirdparty/linux.git] / fs / cifs / smb2pdu.h

/* SPDX-License-Identifier: LGPL-2.1 */
/*
 *
 *   Copyright (c) International Business Machines  Corp., 2009, 2013
 *                 Etersoft, 2012
 *   Author(s): Steve French (sfrench@us.ibm.com)
 *              Pavel Shilovsky (pshilovsky@samba.org) 2012
 *
 */

#ifndef _SMB2PDU_H
#define _SMB2PDU_H

#include <net/sock.h>
#include "cifsacl.h"

/* 52 transform hdr + 64 hdr + 88 create rsp */
#define SMB2_TRANSFORM_HEADER_SIZE 52
#define MAX_SMB2_HDR_SIZE 204

/* The total header size for SMB2 read and write */
#define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_hdr))

/* See MS-SMB2 2.2.43 */
struct smb2_rdma_transform {
	__le16 RdmaDescriptorOffset;
	__le16 RdmaDescriptorLength;
	__le32 Channel; /* for values see channel description in smb2 read above */
	__le16 TransformCount;
	__le16 Reserved1;
	__le32 Reserved2;
} __packed;

/* TransformType */
#define SMB2_RDMA_TRANSFORM_TYPE_ENCRYPTION	0x0001
#define SMB2_RDMA_TRANSFORM_TYPE_SIGNING	0x0002

struct smb2_rdma_crypto_transform {
	__le16	TransformType;
	__le16	SignatureLength;
	__le16	NonceLength;
	__u16	Reserved;
	__u8	Signature[]; /* variable length */
	/* u8 Nonce[] */
	/* followed by padding */
} __packed;

/*
 *	Definitions for SMB2 Protocol Data Units (network frames)
 *
 *  See MS-SMB2.PDF specification for protocol details.
 *  The Naming convention is the lower case version of the SMB2
 *  command code name for the struct. Note that structures must be packed.
 *
 */

#define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL

#define SYMLINK_ERROR_TAG 0x4c4d5953

struct smb2_symlink_err_rsp {
	__le32 SymLinkLength;
	__le32 SymLinkErrorTag;
	__le32 ReparseTag;
	__le16 ReparseDataLength;
	__le16 UnparsedPathLength;
	__le16 SubstituteNameOffset;
	__le16 SubstituteNameLength;
	__le16 PrintNameOffset;
	__le16 PrintNameLength;
	__le32 Flags;
	__u8  PathBuffer[];
} __packed;

/* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
struct smb2_error_context_rsp {
	__le32 ErrorDataLength;
	__le32 ErrorId;
	__u8  ErrorContextData; /* ErrorDataLength long array */
} __packed;

/* ErrorId values */
#define SMB2_ERROR_ID_DEFAULT		0x00000000
#define SMB2_ERROR_ID_SHARE_REDIRECT	cpu_to_le32(0x72645253)	/* "rdRS" */

/* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
#define MOVE_DST_IPADDR_V4	cpu_to_le32(0x00000001)
#define MOVE_DST_IPADDR_V6	cpu_to_le32(0x00000002)

struct move_dst_ipaddr {
	__le32 Type;
	__u32  Reserved;
	__u8   address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
} __packed;

struct share_redirect_error_context_rsp {
	__le32 StructureSize;
	__le32 NotificationType;
	__le32 ResourceNameOffset;
	__le32 ResourceNameLength;
	__le16 Reserved;
	__le16 TargetType;
	__le32 IPAddrCount;
	struct move_dst_ipaddr IpAddrMoveList[];
	/* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
} __packed;

/*
 * Maximum number of iovs we need for an open/create request.
 * [0] : struct smb2_create_req
 * [1] : path
 * [2] : lease context
 * [3] : durable context
 * [4] : posix context
 * [5] : time warp context
 * [6] : query id context
 * [7] : compound padding
 */
#define SMB2_CREATE_IOV_SIZE 8

/*
 * Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
 * 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
 * 2 bytes of padding.
 */
#define MAX_SMB2_CREATE_RESPONSE_SIZE 880

#define SMB2_LEASE_READ_CACHING_HE	0x01
#define SMB2_LEASE_HANDLE_CACHING_HE	0x02
#define SMB2_LEASE_WRITE_CACHING_HE	0x04

struct create_durable {
	struct create_context ccontext;
	__u8   Name[8];
	union {
		__u8  Reserved[16];
		struct {
			__u64 PersistentFileId;
			__u64 VolatileFileId;
		} Fid;
	} Data;
} __packed;

/* See MS-SMB2 2.2.13.2.11 */
/* Flags */
#define SMB2_DHANDLE_FLAG_PERSISTENT	0x00000002
struct durable_context_v2 {
	__le32 Timeout;
	__le32 Flags;
	__u64 Reserved;
	__u8 CreateGuid[16];
} __packed;

struct create_durable_v2 {
	struct create_context ccontext;
	__u8   Name[8];
	struct durable_context_v2 dcontext;
} __packed;

/* See MS-SMB2 2.2.13.2.12 */
struct durable_reconnect_context_v2 {
	struct {
		__u64 PersistentFileId;
		__u64 VolatileFileId;
	} Fid;
	__u8 CreateGuid[16];
	__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
} __packed;

/* See MS-SMB2 2.2.14.2.9 */
struct create_on_disk_id {
	struct create_context ccontext;
	__u8   Name[8];
	__le64 DiskFileId;
	__le64 VolumeId;
	__u32  Reserved[4];
} __packed;

/* See MS-SMB2 2.2.14.2.12 */
struct durable_reconnect_context_v2_rsp {
	__le32 Timeout;
	__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
} __packed;

struct create_durable_handle_reconnect_v2 {
	struct create_context ccontext;
	__u8   Name[8];
	struct durable_reconnect_context_v2 dcontext;
	__u8   Pad[4];
} __packed;

/* See MS-SMB2 2.2.13.2.5 */
struct crt_twarp_ctxt {
	struct create_context ccontext;
	__u8	Name[8];
	__le64	Timestamp;

} __packed;

/* See MS-SMB2 2.2.13.2.9 */
struct crt_query_id_ctxt {
	struct create_context ccontext;
	__u8	Name[8];
} __packed;

struct crt_sd_ctxt {
	struct create_context ccontext;
	__u8	Name[8];
	struct smb3_sd sd;
} __packed;


#define COPY_CHUNK_RES_KEY_SIZE	24
struct resume_key_req {
	char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
	__le32	ContextLength;	/* MBZ */
	char	Context[];	/* ignored, Windows sets to 4 bytes of zero */
} __packed;

/* this goes in the ioctl buffer when doing a copychunk request */
struct copychunk_ioctl {
	char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
	__le32 ChunkCount; /* we are only sending 1 */
	__le32 Reserved;
	/* array will only be one chunk long for us */
	__le64 SourceOffset;
	__le64 TargetOffset;
	__le32 Length; /* how many bytes to copy */
	__u32 Reserved2;
} __packed;

struct copychunk_ioctl_rsp {
	__le32 ChunksWritten;
	__le32 ChunkBytesWritten;
	__le32 TotalBytesWritten;
} __packed;

/* See MS-FSCC 2.3.29 and 2.3.30 */
struct get_retrieval_pointer_count_req {
	__le64 StartingVcn; /* virtual cluster number (signed) */
} __packed;

struct get_retrieval_pointer_count_rsp {
	__le32 ExtentCount;
} __packed;

/*
 * See MS-FSCC 2.3.33 and 2.3.34
 * request is the same as get_retrieval_point_count_req struct above
 */
struct smb3_extents {
	__le64 NextVcn;
	__le64 Lcn; /* logical cluster number */
} __packed;

struct get_retrieval_pointers_refcount_rsp {
	__le32 ExtentCount;
	__u32  Reserved;
	__le64 StartingVcn;
	struct smb3_extents extents[];
} __packed;

/* See MS-DFSC 2.2.2 */
struct fsctl_get_dfs_referral_req {
	__le16 MaxReferralLevel;
	__u8 RequestFileName[];
} __packed;

/* DFS response is struct get_dfs_refer_rsp */

/* See MS-SMB2 2.2.31.3 */
struct network_resiliency_req {
	__le32 Timeout;
	__le32 Reserved;
} __packed;
/* There is no buffer for the response ie no struct network_resiliency_rsp */

#define RSS_CAPABLE	cpu_to_le32(0x00000001)
#define RDMA_CAPABLE	cpu_to_le32(0x00000002)

#define INTERNETWORK	cpu_to_le16(0x0002)
#define INTERNETWORKV6	cpu_to_le16(0x0017)

struct network_interface_info_ioctl_rsp {
	__le32 Next; /* next interface. zero if this is last one */
	__le32 IfIndex;
	__le32 Capability; /* RSS or RDMA Capable */
	__le32 Reserved;
	__le64 LinkSpeed;
	__le16 Family;
	__u8 Buffer[126];
} __packed;

struct iface_info_ipv4 {
	__be16 Port;
	__be32 IPv4Address;
	__be64 Reserved;
} __packed;

struct iface_info_ipv6 {
	__be16 Port;
	__be32 FlowInfo;
	__u8   IPv6Address[16];
	__be32 ScopeId;
} __packed;

#define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */

struct compress_ioctl {
	__le16 CompressionState; /* See cifspdu.h for possible flag values */
} __packed;

/*
 * Maximum number of iovs we need for an ioctl request.
 * [0] : struct smb2_ioctl_req
 * [1] : in_data
 */
#define SMB2_IOCTL_IOV_SIZE 2

/*
 *	PDU query infolevel structure definitions
 *	BB consider moving to a different header
 */

struct smb2_file_full_ea_info { /* encoding of response for level 15 */
	__le32 next_entry_offset;
	__u8   flags;
	__u8   ea_name_length;
	__le16 ea_value_length;
	char   ea_data[]; /* \0 terminated name plus value */
} __packed; /* level 15 Set */

struct smb2_file_reparse_point_info {
	__le64 IndexNumber;
	__le32 Tag;
} __packed;

struct smb2_file_network_open_info {
	__le64 CreationTime;
	__le64 LastAccessTime;
	__le64 LastWriteTime;
	__le64 ChangeTime;
	__le64 AllocationSize;
	__le64 EndOfFile;
	__le32 Attributes;
	__le32 Reserved;
} __packed; /* level 34 Query also similar returned in close rsp and open rsp */

/* See MS-FSCC 2.4.21 */
struct smb2_file_id_information {
	__le64	VolumeSerialNumber;
	__u64  PersistentFileId; /* opaque endianness */
	__u64  VolatileFileId; /* opaque endianness */
} __packed; /* level 59 */

/* See MS-FSCC 2.4.18 */
struct smb2_file_id_extd_directory_info {
	__le32 NextEntryOffset;
	__u32 FileIndex;
	__le64 CreationTime;
	__le64 LastAccessTime;
	__le64 LastWriteTime;
	__le64 ChangeTime;
	__le64 EndOfFile;
	__le64 AllocationSize;
	__le32 FileAttributes;
	__le32 FileNameLength;
	__le32 EaSize; /* EA size */
	__le32 ReparsePointTag; /* valid if FILE_ATTR_REPARSE_POINT set in FileAttributes */
	__le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit */
	char FileName[1];
} __packed; /* level 60 */

extern char smb2_padding[7];

/* equivalent of the contents of SMB3.1.1 POSIX open context response */
struct create_posix_rsp {
	u32 nlink;
	u32 reparse_tag;
	u32 mode;
	struct cifs_sid owner; /* var-sized on the wire */
	struct cifs_sid group; /* var-sized on the wire */
} __packed;

#define SMB2_QUERY_DIRECTORY_IOV_SIZE 2

/*
 * SMB2-only POSIX info level for query dir
 *
 * See posix_info_sid_size(), posix_info_extra_size() and
 * posix_info_parse() to help with the handling of this struct.
 */
struct smb2_posix_info {
	__le32 NextEntryOffset;
	__u32 Ignored;
	__le64 CreationTime;
	__le64 LastAccessTime;
	__le64 LastWriteTime;
	__le64 ChangeTime;
	__le64 EndOfFile;
	__le64 AllocationSize;
	__le32 DosAttributes;
	__le64 Inode;
	__le32 DeviceId;
	__le32 Zero;
	/* beginning of POSIX Create Context Response */
	__le32 HardLinks;
	__le32 ReparseTag;
	__le32 Mode;
	/*
	 * var sized owner SID
	 * var sized group SID
	 * le32 filenamelength
	 * u8  filename[]
	 */
} __packed;

/*
 * Parsed version of the above struct. Allows direct access to the
 * variable length fields
 */
struct smb2_posix_info_parsed {
	const struct smb2_posix_info *base;
	size_t size;
	struct cifs_sid owner;
	struct cifs_sid group;
	int name_len;
	const u8 *name;
};

#endif				/* _SMB2PDU_H */
Commit	Line	Data
929be906	1	/* SPDX-License-Identifier: LGPL-2.1 */
ddfbefbd	2	/*
ddfbefbd	3	*
be7457d3	4	* Copyright (c) International Business Machines Corp., 2009, 2013
ddfbefbd SF	5	* Etersoft, 2012
	6	* Author(s): Steve French (sfrench@us.ibm.com)
	7	* Pavel Shilovsky (pshilovsky@samba.org) 2012
	8	*
ddfbefbd SF	9	*/
	10
	11	#ifndef _SMB2PDU_H
	12	#define _SMB2PDU_H
	13
	14	#include <net/sock.h>
90810c25	15	#include "cifsacl.h"
ddfbefbd	16
58d15ed1	17	/* 52 transform hdr + 64 hdr + 88 create rsp */
c4627e66	18	#define SMB2_TRANSFORM_HEADER_SIZE 52
58d15ed1	19	#define MAX_SMB2_HDR_SIZE 204
2dc7e1c0	20
f7950cb0	21	/* The total header size for SMB2 read and write */
0d35e382	22	#define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_hdr))
8f233431	23
3984bdc0 SF	24	/* See MS-SMB2 2.2.43 */
	25	struct smb2_rdma_transform {
	26	__le16 RdmaDescriptorOffset;
	27	__le16 RdmaDescriptorLength;
	28	__le32 Channel; /* for values see channel description in smb2 read above */
	29	__le16 TransformCount;
	30	__le16 Reserved1;
	31	__le32 Reserved2;
	32	} __packed;
	33
bb9cad1b SF	34	/* TransformType */
	35	#define SMB2_RDMA_TRANSFORM_TYPE_ENCRYPTION 0x0001
	36	#define SMB2_RDMA_TRANSFORM_TYPE_SIGNING 0x0002
	37
	38	struct smb2_rdma_crypto_transform {
3984bdc0 SF	39	__le16 TransformType;
	40	__le16 SignatureLength;
	41	__le16 NonceLength;
	42	__u16 Reserved;
	43	__u8 Signature[]; /* variable length */
	44	/* u8 Nonce[] */
	45	/* followed by padding */
	46	} __packed;
	47
093b2bda PS	48	/*
	49	* Definitions for SMB2 Protocol Data Units (network frames)
	50	*
	51	* See MS-SMB2.PDF specification for protocol details.
	52	* The Naming convention is the lower case version of the SMB2
	53	* command code name for the struct. Note that structures must be packed.
	54	*
	55	*/
74112860	56
730928c8 RS	57	#define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
730928c8 RS	58
df070afd RS	59	#define SYMLINK_ERROR_TAG 0x4c4d5953
df070afd RS	60
b42bf888 PS	61	struct smb2_symlink_err_rsp {
	62	__le32 SymLinkLength;
	63	__le32 SymLinkErrorTag;
	64	__le32 ReparseTag;
	65	__le16 ReparseDataLength;
	66	__le16 UnparsedPathLength;
	67	__le16 SubstituteNameOffset;
	68	__le16 SubstituteNameLength;
	69	__le16 PrintNameOffset;
	70	__le16 PrintNameLength;
	71	__le32 Flags;
cff2def5	72	__u8 PathBuffer[];
b42bf888 PS	73	} __packed;
b42bf888 PS	74
5f60a564 SF	75	/* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
	76	struct smb2_error_context_rsp {
	77	__le32 ErrorDataLength;
	78	__le32 ErrorId;
	79	__u8 ErrorContextData; /* ErrorDataLength long array */
	80	} __packed;
	81
8895c66f SF	82	/* ErrorId values */
	83	#define SMB2_ERROR_ID_DEFAULT 0x00000000
	84	#define SMB2_ERROR_ID_SHARE_REDIRECT cpu_to_le32(0x72645253) /* "rdRS" */
	85
5f60a564 SF	86	/* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
	87	#define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001)
	88	#define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002)
	89
	90	struct move_dst_ipaddr {
	91	__le32 Type;
	92	__u32 Reserved;
	93	__u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
	94	} __packed;
	95
	96	struct share_redirect_error_context_rsp {
	97	__le32 StructureSize;
	98	__le32 NotificationType;
	99	__le32 ResourceNameOffset;
	100	__le32 ResourceNameLength;
2438c0bd	101	__le16 Reserved;
5f60a564 SF	102	__le16 TargetType;
5f60a564 SF	103	__le32 IPAddrCount;
cff2def5	104	struct move_dst_ipaddr IpAddrMoveList[];
5f60a564 SF	105	/* __u8 ResourceName[] / / Name of share as counted Unicode string */
	106	} __packed;
	107
4d8dfafc RS	108	/*
	109	* Maximum number of iovs we need for an open/create request.
	110	* [0] : struct smb2_create_req
	111	* [1] : path
	112	* [2] : lease context
	113	* [3] : durable context
	114	* [4] : posix context
	115	* [5] : time warp context
ff2a09e9 SF	116	* [6] : query id context
ff2a09e9 SF	117	* [7] : compound padding
4d8dfafc	118	*/
ff2a09e9	119	#define SMB2_CREATE_IOV_SIZE 8
4d8dfafc	120
c4627e66 RS	121	/*
c4627e66 RS	122	* Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
ff2a09e9	123	* 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
c4627e66 RS	124	* 2 bytes of padding.
c4627e66 RS	125	*/
ff2a09e9	126	#define MAX_SMB2_CREATE_RESPONSE_SIZE 880
c4627e66	127
53ef1016 PS	128	#define SMB2_LEASE_READ_CACHING_HE 0x01
	129	#define SMB2_LEASE_HANDLE_CACHING_HE 0x02
	130	#define SMB2_LEASE_WRITE_CACHING_HE 0x04
	131
63eb3def PS	132	struct create_durable {
	133	struct create_context ccontext;
	134	__u8 Name[8];
9cbc0b73 PS	135	union {
	136	__u8 Reserved[16];
	137	struct {
	138	__u64 PersistentFileId;
	139	__u64 VolatileFileId;
	140	} Fid;
	141	} Data;
63eb3def PS	142	} __packed;
63eb3def PS	143
b56eae4d SF	144	/* See MS-SMB2 2.2.13.2.11 */
	145	/* Flags */
	146	#define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002
	147	struct durable_context_v2 {
	148	__le32 Timeout;
	149	__le32 Flags;
	150	__u64 Reserved;
	151	__u8 CreateGuid[16];
	152	} __packed;
	153
	154	struct create_durable_v2 {
	155	struct create_context ccontext;
	156	__u8 Name[8];
	157	struct durable_context_v2 dcontext;
	158	} __packed;
	159
	160	/* See MS-SMB2 2.2.13.2.12 */
	161	struct durable_reconnect_context_v2 {
	162	struct {
	163	__u64 PersistentFileId;
	164	__u64 VolatileFileId;
	165	} Fid;
	166	__u8 CreateGuid[16];
	167	__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
	168	} __packed;
	169
e7348e35	170	/* See MS-SMB2 2.2.14.2.9 */
89a5bfa3 SF	171	struct create_on_disk_id {
	172	struct create_context ccontext;
	173	__u8 Name[8];
e7348e35 SF	174	__le64 DiskFileId;
e7348e35 SF	175	__le64 VolumeId;
ff2a09e9	176	__u32 Reserved[4];
e7348e35 SF	177	} __packed;
e7348e35 SF	178
b56eae4d SF	179	/* See MS-SMB2 2.2.14.2.12 */
	180	struct durable_reconnect_context_v2_rsp {
	181	__le32 Timeout;
	182	__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
	183	} __packed;
	184
	185	struct create_durable_handle_reconnect_v2 {
	186	struct create_context ccontext;
	187	__u8 Name[8];
	188	struct durable_reconnect_context_v2 dcontext;
d243af7a	189	__u8 Pad[4];
b56eae4d SF	190	} __packed;
b56eae4d SF	191
cdeaf9d0 SF	192	/* See MS-SMB2 2.2.13.2.5 */
	193	struct crt_twarp_ctxt {
	194	struct create_context ccontext;
	195	__u8 Name[8];
	196	__le64 Timestamp;
	197
	198	} __packed;
	199
ff2a09e9 SF	200	/* See MS-SMB2 2.2.13.2.9 */
	201	struct crt_query_id_ctxt {
	202	struct create_context ccontext;
	203	__u8 Name[8];
	204	} __packed;
	205
fdef665b SF	206	struct crt_sd_ctxt {
	207	struct create_context ccontext;
	208	__u8 Name[8];
	209	struct smb3_sd sd;
fdef665b SF	210	} __packed;
	211
	212
41c1358e SF	213	#define COPY_CHUNK_RES_KEY_SIZE 24
	214	struct resume_key_req {
	215	char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
	216	__le32 ContextLength; /* MBZ */
cff2def5	217	char Context[]; /* ignored, Windows sets to 4 bytes of zero */
41c1358e SF	218	} __packed;
41c1358e SF	219
be7457d3 SF	220	/* this goes in the ioctl buffer when doing a copychunk request */
be7457d3 SF	221	struct copychunk_ioctl {
41c1358e	222	char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
be7457d3 SF	223	__le32 ChunkCount; /* we are only sending 1 */
	224	__le32 Reserved;
	225	/* array will only be one chunk long for us */
	226	__le64 SourceOffset;
	227	__le64 TargetOffset;
c8664730	228	__le32 Length; /* how many bytes to copy */
be7457d3 SF	229	__u32 Reserved2;
	230	} __packed;
	231
41c1358e SF	232	struct copychunk_ioctl_rsp {
	233	__le32 ChunksWritten;
	234	__le32 ChunkBytesWritten;
	235	__le32 TotalBytesWritten;
	236	} __packed;
	237
7d03ae4d SF	238	/* See MS-FSCC 2.3.29 and 2.3.30 */
	239	struct get_retrieval_pointer_count_req {
	240	__le64 StartingVcn; /* virtual cluster number (signed) */
	241	} __packed;
	242
	243	struct get_retrieval_pointer_count_rsp {
	244	__le32 ExtentCount;
	245	} __packed;
	246
	247	/*
	248	* See MS-FSCC 2.3.33 and 2.3.34
	249	* request is the same as get_retrieval_point_count_req struct above
	250	*/
	251	struct smb3_extents {
	252	__le64 NextVcn;
	253	__le64 Lcn; /* logical cluster number */
	254	} __packed;
	255
	256	struct get_retrieval_pointers_refcount_rsp {
	257	__le32 ExtentCount;
	258	__u32 Reserved;
	259	__le64 StartingVcn;
	260	struct smb3_extents extents[];
	261	} __packed;
	262
9d49640a AA	263	/* See MS-DFSC 2.2.2 */
	264	struct fsctl_get_dfs_referral_req {
	265	__le16 MaxReferralLevel;
	266	__u8 RequestFileName[];
	267	} __packed;
	268
	269	/* DFS response is struct get_dfs_refer_rsp */
	270
b56eae4d SF	271	/* See MS-SMB2 2.2.31.3 */
	272	struct network_resiliency_req {
	273	__le32 Timeout;
	274	__le32 Reserved;
	275	} __packed;
	276	/* There is no buffer for the response ie no struct network_resiliency_rsp */
	277
bead042c AA	278	#define RSS_CAPABLE cpu_to_le32(0x00000001)
	279	#define RDMA_CAPABLE cpu_to_le32(0x00000002)
	280
	281	#define INTERNETWORK cpu_to_le16(0x0002)
	282	#define INTERNETWORKV6 cpu_to_le16(0x0017)
4a72dafa SF	283
	284	struct network_interface_info_ioctl_rsp {
	285	__le32 Next; /* next interface. zero if this is last one */
	286	__le32 IfIndex;
	287	__le32 Capability; /* RSS or RDMA Capable */
	288	__le32 Reserved;
	289	__le64 LinkSpeed;
bead042c AA	290	__le16 Family;
	291	__u8 Buffer[126];
	292	} __packed;
	293
	294	struct iface_info_ipv4 {
	295	__be16 Port;
	296	__be32 IPv4Address;
	297	__be64 Reserved;
	298	} __packed;
	299
	300	struct iface_info_ipv6 {
	301	__be16 Port;
	302	__be32 FlowInfo;
	303	__u8 IPv6Address[16];
	304	__be32 ScopeId;
4a72dafa SF	305	} __packed;
	306
	307	#define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
	308
64a5cfa6	309	struct compress_ioctl {
c7f508a9	310	__le16 CompressionState; /* See cifspdu.h for possible flag values */
64a5cfa6 SF	311	} __packed;
64a5cfa6 SF	312
72c419d9 RS	313	/*
	314	* Maximum number of iovs we need for an ioctl request.
	315	* [0] : struct smb2_ioctl_req
	316	* [1] : in_data
	317	*/
	318	#define SMB2_IOCTL_IOV_SIZE 2
	319
be4cb9e3	320	/*
be135000	321	* PDU query infolevel structure definitions
be4cb9e3 PS	322	* BB consider moving to a different header
	323	*/
	324
95907fea RS	325	struct smb2_file_full_ea_info { /* encoding of response for level 15 */
	326	__le32 next_entry_offset;
	327	__u8 flags;
	328	__u8 ea_name_length;
	329	__le16 ea_value_length;
cff2def5	330	char ea_data[]; /* \0 terminated name plus value */
95907fea RS	331	} __packed; /* level 15 Set */
95907fea RS	332
2e4564b3 SF	333	struct smb2_file_reparse_point_info {
	334	__le64 IndexNumber;
	335	__le32 Tag;
	336	} __packed;
	337
43f8a6a7 SF	338	struct smb2_file_network_open_info {
	339	__le64 CreationTime;
	340	__le64 LastAccessTime;
	341	__le64 LastWriteTime;
	342	__le64 ChangeTime;
	343	__le64 AllocationSize;
	344	__le64 EndOfFile;
	345	__le32 Attributes;
	346	__le32 Reserved;
	347	} __packed; /* level 34 Query also similar returned in close rsp and open rsp */
	348
2438c0bd	349	/* See MS-FSCC 2.4.21 */
51d92d69 SF	350	struct smb2_file_id_information {
	351	__le64 VolumeSerialNumber;
	352	__u64 PersistentFileId; /* opaque endianness */
	353	__u64 VolatileFileId; /* opaque endianness */
	354	} __packed; /* level 59 */
	355
2438c0bd SF	356	/* See MS-FSCC 2.4.18 */
	357	struct smb2_file_id_extd_directory_info {
	358	__le32 NextEntryOffset;
	359	__u32 FileIndex;
	360	__le64 CreationTime;
	361	__le64 LastAccessTime;
	362	__le64 LastWriteTime;
	363	__le64 ChangeTime;
	364	__le64 EndOfFile;
	365	__le64 AllocationSize;
	366	__le32 FileAttributes;
	367	__le32 FileNameLength;
	368	__le32 EaSize; /* EA size */
	369	__le32 ReparsePointTag; /* valid if FILE_ATTR_REPARSE_POINT set in FileAttributes */
	370	__le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit */
	371	char FileName[1];
	372	} __packed; /* level 60 */
	373
730928c8 RS	374	extern char smb2_padding[7];
730928c8 RS	375
ab3459d8	376	/* equivalent of the contents of SMB3.1.1 POSIX open context response */
2e8af978	377	struct create_posix_rsp {
69dda305 AA	378	u32 nlink;
	379	u32 reparse_tag;
	380	u32 mode;
	381	struct cifs_sid owner; /* var-sized on the wire */
	382	struct cifs_sid group; /* var-sized on the wire */
2e8af978	383	} __packed;
349e13ad	384
be135000 SF	385	#define SMB2_QUERY_DIRECTORY_IOV_SIZE 2
be135000 SF	386
349e13ad	387	/*
6a5f6592	388	* SMB2-only POSIX info level for query dir
349e13ad AA	389	*
	390	* See posix_info_sid_size(), posix_info_extra_size() and
	391	* posix_info_parse() to help with the handling of this struct.
	392	*/
	393	struct smb2_posix_info {
	394	__le32 NextEntryOffset;
	395	__u32 Ignored;
	396	__le64 CreationTime;
	397	__le64 LastAccessTime;
	398	__le64 LastWriteTime;
	399	__le64 ChangeTime;
	400	__le64 EndOfFile;
	401	__le64 AllocationSize;
	402	__le32 DosAttributes;
	403	__le64 Inode;
	404	__le32 DeviceId;
	405	__le32 Zero;
	406	/* beginning of POSIX Create Context Response */
	407	__le32 HardLinks;
	408	__le32 ReparseTag;
	409	__le32 Mode;
	410	/*
	411	* var sized owner SID
	412	* var sized group SID
	413	* le32 filenamelength
	414	* u8 filename[]
	415	*/
	416	} __packed;
	417
	418	/*
	419	* Parsed version of the above struct. Allows direct access to the
	420	* variable length fields
	421	*/
	422	struct smb2_posix_info_parsed {
	423	const struct smb2_posix_info *base;
	424	size_t size;
	425	struct cifs_sid owner;
	426	struct cifs_sid group;
	427	int name_len;
	428	const u8 *name;
ab3459d8	429	};
349e13ad	430
ddfbefbd	431	#endif /* _SMB2PDU_H */