From: Ronnie Sahlberg <lsahlber@redhat.com>
To: linux-cifs <linux-cifs@vger.kernel.org>
Cc: Steve French <smfrench@gmail.com>
Subject: [PATCH 1/4] cifs: Move more definitions into the shared area
Date: Tue, 7 Sep 2021 18:25:20 +1000 [thread overview]
Message-ID: <20210907082523.2087981-1-lsahlber@redhat.com> (raw)
Move SMB2_SessionSetup, SMB2_Close, SMB2_Read, SMB2_Write and
SMB2_ChangeNotify commands into cifs_common/smb2pdu.h
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
---
fs/cifs/smb2pdu.c | 60 +++++-----
fs/cifs/smb2pdu.h | 197 --------------------------------
fs/cifs_common/smb2pdu.h | 241 +++++++++++++++++++++++++++++++++++++++
3 files changed, 274 insertions(+), 224 deletions(-)
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 21e1c5bf6fc6..facbc0ebd355 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1261,7 +1261,7 @@ SMB2_sess_alloc_buffer(struct SMB2_sess_data *sess_data)
* if reconnect, we need to send previous sess id
* otherwise it is 0
*/
- req->PreviousSessionId = sess_data->previous_session;
+ req->PreviousSessionId = cpu_to_le64(sess_data->previous_session);
req->Flags = 0; /* MBZ */
}
@@ -3236,8 +3236,8 @@ SMB2_close_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server,
if (rc)
return rc;
- req->PersistentFileId = persistent_fid;
- req->VolatileFileId = volatile_fid;
+ req->PersistentFileId = cpu_to_le64(persistent_fid);
+ req->VolatileFileId = cpu_to_le64(volatile_fid);
if (query_attrs)
req->Flags = SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB;
else
@@ -3823,8 +3823,8 @@ SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst,
if (rc)
return rc;
- req->PersistentFileId = persistent_fid;
- req->VolatileFileId = volatile_fid;
+ req->PersistentFileId = cpu_to_le64(persistent_fid);
+ req->VolatileFileId = cpu_to_le64(volatile_fid);
iov[0].iov_base = (char *)req;
iov[0].iov_len = total_len;
@@ -3890,7 +3890,7 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
unsigned int remaining_bytes, int request_type)
{
int rc = -EACCES;
- struct smb2_read_plain_req *req = NULL;
+ struct smb2_read_req *req = NULL;
struct smb2_hdr *shdr;
struct TCP_Server_Info *server = io_parms->server;
@@ -3905,8 +3905,8 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
shdr = &req->hdr;
shdr->Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid);
- req->PersistentFileId = io_parms->persistent_fid;
- req->VolatileFileId = io_parms->volatile_fid;
+ req->PersistentFileId = cpu_to_le64(io_parms->persistent_fid);
+ req->VolatileFileId = cpu_to_le64(io_parms->volatile_fid);
req->ReadChannelInfoOffset = 0; /* reserved */
req->ReadChannelInfoLength = 0; /* reserved */
req->Channel = 0; /* reserved */
@@ -3940,7 +3940,7 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
if (need_invalidate)
req->Channel = SMB2_CHANNEL_RDMA_V1;
req->ReadChannelInfoOffset =
- cpu_to_le16(offsetof(struct smb2_read_plain_req, Buffer));
+ cpu_to_le16(offsetof(struct smb2_read_req, Buffer));
req->ReadChannelInfoLength =
cpu_to_le16(sizeof(struct smbd_buffer_descriptor_v1));
v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0];
@@ -3966,8 +3966,8 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
*/
shdr->SessionId = cpu_to_le64(0xFFFFFFFFFFFFFFFF);
shdr->Id.SyncId.TreeId = cpu_to_le32(0xFFFFFFFF);
- req->PersistentFileId = 0xFFFFFFFFFFFFFFFF;
- req->VolatileFileId = 0xFFFFFFFFFFFFFFFF;
+ req->PersistentFileId = cpu_to_le64(0xFFFFFFFFFFFFFFFF);
+ req->VolatileFileId = cpu_to_le64(0xFFFFFFFFFFFFFFFF);
}
}
if (remaining_bytes > io_parms->length)
@@ -4144,7 +4144,7 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
{
struct smb_rqst rqst;
int resp_buftype, rc;
- struct smb2_read_plain_req *req = NULL;
+ struct smb2_read_req *req = NULL;
struct smb2_read_rsp *rsp = NULL;
struct kvec iov[1];
struct kvec rsp_iov;
@@ -4178,19 +4178,22 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
if (rc != -ENODATA) {
cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE);
cifs_dbg(VFS, "Send error in read = %d\n", rc);
- trace_smb3_read_err(xid, req->PersistentFileId,
+ trace_smb3_read_err(xid,
+ le64_to_cpu(req->PersistentFileId),
io_parms->tcon->tid, ses->Suid,
io_parms->offset, io_parms->length,
rc);
} else
- trace_smb3_read_done(xid, req->PersistentFileId,
- io_parms->tcon->tid, ses->Suid,
- io_parms->offset, 0);
+ trace_smb3_read_done(xid,
+ le64_to_cpu(req->PersistentFileId),
+ io_parms->tcon->tid, ses->Suid,
+ io_parms->offset, 0);
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
cifs_small_buf_release(req);
return rc == -ENODATA ? 0 : rc;
} else
- trace_smb3_read_done(xid, req->PersistentFileId,
+ trace_smb3_read_done(xid,
+ le64_to_cpu(req->PersistentFileId),
io_parms->tcon->tid, ses->Suid,
io_parms->offset, io_parms->length);
@@ -4332,8 +4335,8 @@ smb2_async_writev(struct cifs_writedata *wdata,
shdr = (struct smb2_hdr *)req;
shdr->Id.SyncId.ProcessId = cpu_to_le32(wdata->cfile->pid);
- req->PersistentFileId = wdata->cfile->fid.persistent_fid;
- req->VolatileFileId = wdata->cfile->fid.volatile_fid;
+ req->PersistentFileId = cpu_to_le64(wdata->cfile->fid.persistent_fid);
+ req->VolatileFileId = cpu_to_le64(wdata->cfile->fid.volatile_fid);
req->WriteChannelInfoOffset = 0;
req->WriteChannelInfoLength = 0;
req->Channel = 0;
@@ -4430,7 +4433,8 @@ smb2_async_writev(struct cifs_writedata *wdata,
wdata, flags, &wdata->credits);
if (rc) {
- trace_smb3_write_err(0 /* no xid */, req->PersistentFileId,
+ trace_smb3_write_err(0 /* no xid */,
+ le64_to_cpu(req->PersistentFileId),
tcon->tid, tcon->ses->Suid, wdata->offset,
wdata->bytes, rc);
kref_put(&wdata->refcount, release);
@@ -4483,8 +4487,8 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
req->hdr.Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid);
- req->PersistentFileId = io_parms->persistent_fid;
- req->VolatileFileId = io_parms->volatile_fid;
+ req->PersistentFileId = cpu_to_le64(io_parms->persistent_fid);
+ req->VolatileFileId = cpu_to_le64(io_parms->volatile_fid);
req->WriteChannelInfoOffset = 0;
req->WriteChannelInfoLength = 0;
req->Channel = 0;
@@ -4512,7 +4516,8 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
rsp = (struct smb2_write_rsp *)rsp_iov.iov_base;
if (rc) {
- trace_smb3_write_err(xid, req->PersistentFileId,
+ trace_smb3_write_err(xid,
+ le64_to_cpu(req->PersistentFileId),
io_parms->tcon->tid,
io_parms->tcon->ses->Suid,
io_parms->offset, io_parms->length, rc);
@@ -4520,10 +4525,11 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
cifs_dbg(VFS, "Send error in write = %d\n", rc);
} else {
*nbytes = le32_to_cpu(rsp->DataLength);
- trace_smb3_write_done(xid, req->PersistentFileId,
- io_parms->tcon->tid,
- io_parms->tcon->ses->Suid,
- io_parms->offset, *nbytes);
+ trace_smb3_write_done(xid,
+ le64_to_cpu(req->PersistentFileId),
+ io_parms->tcon->tid,
+ io_parms->tcon->ses->Suid,
+ io_parms->offset, *nbytes);
}
cifs_small_buf_release(req);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 61060a0618b4..f5760346d9c5 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -116,48 +116,6 @@ struct share_redirect_error_context_rsp {
/* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
} __packed;
-/* Flags */
-#define SMB2_SESSION_REQ_FLAG_BINDING 0x01
-#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
-
-struct smb2_sess_setup_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 25 */
- __u8 Flags;
- __u8 SecurityMode;
- __le32 Capabilities;
- __le32 Channel;
- __le16 SecurityBufferOffset;
- __le16 SecurityBufferLength;
- __u64 PreviousSessionId;
- __u8 Buffer[1]; /* variable length GSS security buffer */
-} __packed;
-
-/* Currently defined SessionFlags */
-#define SMB2_SESSION_FLAG_IS_GUEST 0x0001
-#define SMB2_SESSION_FLAG_IS_NULL 0x0002
-#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004
-struct smb2_sess_setup_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 9 */
- __le16 SessionFlags;
- __le16 SecurityBufferOffset;
- __le16 SecurityBufferLength;
- __u8 Buffer[1]; /* variable length GSS security buffer */
-} __packed;
-
-struct smb2_logoff_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 4 */
- __le16 Reserved;
-} __packed;
-
-struct smb2_logoff_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 4 */
- __le16 Reserved;
-} __packed;
-
/* File Attrubutes */
#define FILE_ATTRIBUTE_READONLY 0x00000001
#define FILE_ATTRIBUTE_HIDDEN 0x00000002
@@ -721,161 +679,6 @@ struct smb2_ioctl_rsp {
/* char * buffer[] */
} __packed;
-/* Currently defined values for close flags */
-#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001)
-struct smb2_close_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 24 */
- __le16 Flags;
- __le32 Reserved;
- __u64 PersistentFileId; /* opaque endianness */
- __u64 VolatileFileId; /* opaque endianness */
-} __packed;
-
-/*
- * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
- */
-#define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
-
-struct smb2_close_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* 60 */
- __le16 Flags;
- __le32 Reserved;
- __le64 CreationTime;
- __le64 LastAccessTime;
- __le64 LastWriteTime;
- __le64 ChangeTime;
- __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
- __le64 EndOfFile;
- __le32 Attributes;
-} __packed;
-
-struct smb2_flush_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 24 */
- __le16 Reserved1;
- __le32 Reserved2;
- __u64 PersistentFileId; /* opaque endianness */
- __u64 VolatileFileId; /* opaque endianness */
-} __packed;
-
-struct smb2_flush_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize;
- __le16 Reserved;
-} __packed;
-
-/* For read request Flags field below, following flag is defined for SMB3.02 */
-#define SMB2_READFLAG_READ_UNBUFFERED 0x01
-#define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
-
-/* Channel field for read and write: exactly one of following flags can be set*/
-#define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000)
-#define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */
-#define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */
-#define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) /* >= SMB3.02, only used on write */
-
-/* SMB2 read request without RFC1001 length at the beginning */
-struct smb2_read_plain_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 49 */
- __u8 Padding; /* offset from start of SMB2 header to place read */
- __u8 Flags; /* MBZ unless SMB3.02 or later */
- __le32 Length;
- __le64 Offset;
- __u64 PersistentFileId; /* opaque endianness */
- __u64 VolatileFileId; /* opaque endianness */
- __le32 MinimumCount;
- __le32 Channel; /* MBZ except for SMB3 or later */
- __le32 RemainingBytes;
- __le16 ReadChannelInfoOffset;
- __le16 ReadChannelInfoLength;
- __u8 Buffer[1];
-} __packed;
-
-/* Read flags */
-#define SMB2_READFLAG_RESPONSE_NONE 0x00000000
-#define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM 0x00000001
-
-struct smb2_read_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 17 */
- __u8 DataOffset;
- __u8 Reserved;
- __le32 DataLength;
- __le32 DataRemaining;
- __u32 Flags;
- __u8 Buffer[1];
-} __packed;
-
-/* For write request Flags field below the following flags are defined: */
-#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */
-#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */
-
-struct smb2_write_req {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 49 */
- __le16 DataOffset; /* offset from start of SMB2 header to write data */
- __le32 Length;
- __le64 Offset;
- __u64 PersistentFileId; /* opaque endianness */
- __u64 VolatileFileId; /* opaque endianness */
- __le32 Channel; /* MBZ unless SMB3.02 or later */
- __le32 RemainingBytes;
- __le16 WriteChannelInfoOffset;
- __le16 WriteChannelInfoLength;
- __le32 Flags;
- __u8 Buffer[1];
-} __packed;
-
-struct smb2_write_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 17 */
- __u8 DataOffset;
- __u8 Reserved;
- __le32 DataLength;
- __le32 DataRemaining;
- __u32 Reserved2;
- __u8 Buffer[1];
-} __packed;
-
-/* notify flags */
-#define SMB2_WATCH_TREE 0x0001
-
-/* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
-#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
-#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
-#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004
-#define FILE_NOTIFY_CHANGE_SIZE 0x00000008
-#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
-#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020
-#define FILE_NOTIFY_CHANGE_CREATION 0x00000040
-#define FILE_NOTIFY_CHANGE_EA 0x00000080
-#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100
-#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
-#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
-#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
-
-struct smb2_change_notify_req {
- struct smb2_hdr hdr;
- __le16 StructureSize;
- __le16 Flags;
- __le32 OutputBufferLength;
- __u64 PersistentFileId; /* opaque endianness */
- __u64 VolatileFileId; /* opaque endianness */
- __le32 CompletionFilter;
- __u32 Reserved;
-} __packed;
-
-struct smb2_change_notify_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 9 */
- __le16 OutputBufferOffset;
- __le32 OutputBufferLength;
- __u8 Buffer[1]; /* array of file notify structs */
-} __packed;
-
#define SMB2_LOCKFLAG_SHARED_LOCK 0x0001
#define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002
#define SMB2_LOCKFLAG_UNLOCK 0x0004
diff --git a/fs/cifs_common/smb2pdu.h b/fs/cifs_common/smb2pdu.h
index a1f661a1b89d..0d9c3ebdb773 100644
--- a/fs/cifs_common/smb2pdu.h
+++ b/fs/cifs_common/smb2pdu.h
@@ -544,4 +544,245 @@ struct smb2_negotiate_rsp {
} __packed;
+/*
+ * SMB2_SESSION_SETUP See MS-SMB2 section 2.2.5
+ */
+/* Flags */
+#define SMB2_SESSION_REQ_FLAG_BINDING 0x01
+#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
+
+struct smb2_sess_setup_req {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 25 */
+ __u8 Flags;
+ __u8 SecurityMode;
+ __le32 Capabilities;
+ __le32 Channel;
+ __le16 SecurityBufferOffset;
+ __le16 SecurityBufferLength;
+ __le64 PreviousSessionId;
+ __u8 Buffer[1]; /* variable length GSS security buffer */
+} __packed;
+
+/* Currently defined SessionFlags */
+#define SMB2_SESSION_FLAG_IS_GUEST 0x0001
+#define SMB2_SESSION_FLAG_IS_GUEST_LE cpu_to_le16(0x0001)
+#define SMB2_SESSION_FLAG_IS_NULL 0x0002
+#define SMB2_SESSION_FLAG_IS_NULL_LE cpu_to_le16(0x0002)
+#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004
+#define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE cpu_to_le16(0x0004)
+
+struct smb2_sess_setup_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 9 */
+ __le16 SessionFlags;
+ __le16 SecurityBufferOffset;
+ __le16 SecurityBufferLength;
+ __u8 Buffer[1]; /* variable length GSS security buffer */
+} __packed;
+
+
+/*
+ * SMB2_LOGOFF See MS-SMB2 section 2.2.7
+ */
+struct smb2_logoff_req {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 4 */
+ __le16 Reserved;
+} __packed;
+
+struct smb2_logoff_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 4 */
+ __le16 Reserved;
+} __packed;
+
+
+/*
+ * SMB2_CLOSE See MS-SMB2 section 2.2.15
+ */
+/* Currently defined values for close flags */
+#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001)
+struct smb2_close_req {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 24 */
+ __le16 Flags;
+ __le32 Reserved;
+ __le64 PersistentFileId; /* opaque endianness */
+ __le64 VolatileFileId; /* opaque endianness */
+} __packed;
+
+/*
+ * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
+ */
+#define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
+
+struct smb2_close_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* 60 */
+ __le16 Flags;
+ __le32 Reserved;
+ __le64 CreationTime;
+ __le64 LastAccessTime;
+ __le64 LastWriteTime;
+ __le64 ChangeTime;
+ __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
+ __le64 EndOfFile;
+ __le32 Attributes;
+} __packed;
+
+
+/*
+ * SMB2_READ See MS-SMB2 section 2.2.19
+ */
+/* For read request Flags field below, following flag is defined for SMB3.02 */
+#define SMB2_READFLAG_READ_UNBUFFERED 0x01
+#define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
+
+/* Channel field for read and write: exactly one of following flags can be set*/
+#define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000)
+#define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001)
+#define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002)
+#define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003)
+
+/* SMB2 read request without RFC1001 length at the beginning */
+struct smb2_read_req {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 49 */
+ __u8 Padding; /* offset from start of SMB2 header to place read */
+ __u8 Flags; /* MBZ unless SMB3.02 or later */
+ __le32 Length;
+ __le64 Offset;
+ __le64 PersistentFileId;
+ __le64 VolatileFileId;
+ __le32 MinimumCount;
+ __le32 Channel; /* MBZ except for SMB3 or later */
+ __le32 RemainingBytes;
+ __le16 ReadChannelInfoOffset;
+ __le16 ReadChannelInfoLength;
+ __u8 Buffer[1];
+} __packed;
+
+/* Read flags */
+#define SMB2_READFLAG_RESPONSE_NONE cpu_to_le32(0x00000000)
+#define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM cpu_to_le32(0x00000001)
+
+struct smb2_read_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 17 */
+ __u8 DataOffset;
+ __u8 Reserved;
+ __le32 DataLength;
+ __le32 DataRemaining;
+ __le32 Flags;
+ __u8 Buffer[1];
+} __packed;
+
+
+/*
+ * SMB2_WRITE See MS-SMB2 section 2.2.21
+ */
+/* For write request Flags field below the following flags are defined: */
+#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */
+#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */
+
+struct smb2_write_req {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 49 */
+ __le16 DataOffset; /* offset from start of SMB2 header to write data */
+ __le32 Length;
+ __le64 Offset;
+ __le64 PersistentFileId; /* opaque endianness */
+ __le64 VolatileFileId; /* opaque endianness */
+ __le32 Channel; /* MBZ unless SMB3.02 or later */
+ __le32 RemainingBytes;
+ __le16 WriteChannelInfoOffset;
+ __le16 WriteChannelInfoLength;
+ __le32 Flags;
+ __u8 Buffer[1];
+} __packed;
+
+struct smb2_write_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 17 */
+ __u8 DataOffset;
+ __u8 Reserved;
+ __le32 DataLength;
+ __le32 DataRemaining;
+ __u32 Reserved2;
+ __u8 Buffer[1];
+} __packed;
+
+
+/*
+ * SMB2_FLUSH See MS-SMB2 section 2.2.17
+ */
+struct smb2_flush_req {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 24 */
+ __le16 Reserved1;
+ __le32 Reserved2;
+ __le64 PersistentFileId;
+ __le64 VolatileFileId;
+} __packed;
+
+struct smb2_flush_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize;
+ __le16 Reserved;
+} __packed;
+
+
+/*
+ * SMB2_NOTIFY See MS-SMB2 section 2.2.35
+ */
+/* notify flags */
+#define SMB2_WATCH_TREE 0x0001
+
+/* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
+#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
+#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
+#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004
+#define FILE_NOTIFY_CHANGE_SIZE 0x00000008
+#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
+#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020
+#define FILE_NOTIFY_CHANGE_CREATION 0x00000040
+#define FILE_NOTIFY_CHANGE_EA 0x00000080
+#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100
+#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
+#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
+#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
+
+/* SMB2 Notify Action Flags */
+#define FILE_ACTION_ADDED 0x00000001
+#define FILE_ACTION_REMOVED 0x00000002
+#define FILE_ACTION_MODIFIED 0x00000003
+#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004
+#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005
+#define FILE_ACTION_ADDED_STREAM 0x00000006
+#define FILE_ACTION_REMOVED_STREAM 0x00000007
+#define FILE_ACTION_MODIFIED_STREAM 0x00000008
+#define FILE_ACTION_REMOVED_BY_DELETE 0x00000009
+
+struct smb2_change_notify_req {
+ struct smb2_hdr hdr;
+ __le16 StructureSize;
+ __le16 Flags;
+ __le32 OutputBufferLength;
+ __le64 PersistentFileId; /* opaque endianness */
+ __le64 VolatileFileId; /* opaque endianness */
+ __le32 CompletionFilter;
+ __u32 Reserved;
+} __packed;
+
+struct smb2_change_notify_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 9 */
+ __le16 OutputBufferOffset;
+ __le32 OutputBufferLength;
+ __u8 Buffer[1]; /* array of file notify structs */
+} __packed;
+
+
+
#endif /* _COMMON_SMB2PDU_H */
--
2.30.2
next reply other threads:[~2021-09-07 8:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-07 8:25 Ronnie Sahlberg [this message]
2021-09-07 8:25 ` [PATCH 2/4] ksmbd: Move more definitions into the shared area Ronnie Sahlberg
2021-09-07 8:25 ` [PATCH 3/4] cifs: Move SMB2_Create definitions to " Ronnie Sahlberg
2021-09-07 8:25 ` [PATCH 4/4] ksmbd: Use the SMB3_Create definitions from " Ronnie Sahlberg
2021-09-08 7:51 ` Namjae Jeon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210907082523.2087981-1-lsahlber@redhat.com \
--to=lsahlber@redhat.com \
--cc=linux-cifs@vger.kernel.org \
--cc=smfrench@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.