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authorStefan Metzmacher <metze@samba.org>2025-05-28 19:01:36 +0300
committerSteve French <stfrench@microsoft.com>2025-06-04 02:42:47 +0300
commit22234e37d7e97652cb53133009da5e14793d3c10 (patch)
treed6981bd4db6ac415448e20104c670c82bdb719a7
parent21604ed60864b9ace2e28a1c86411f388f03f94e (diff)
downloadlinux-22234e37d7e97652cb53133009da5e14793d3c10.tar.xz
smb: smbdirect: add smbdirect_socket.h
This abstracts the common smbdirect layer. Currently with just a few things in it, but that will change over time until everything is in common. Will be used in client and server in the next commits Cc: Steve French <smfrench@gmail.com> Cc: Tom Talpey <tom@talpey.com> Cc: Long Li <longli@microsoft.com> Cc: Namjae Jeon <linkinjeon@kernel.org> Cc: Hyunchul Lee <hyc.lee@gmail.com> Cc: Meetakshi Setiya <meetakshisetiyaoss@gmail.com> Cc: linux-cifs@vger.kernel.org Cc: samba-technical@lists.samba.org Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Steve French <stfrench@microsoft.com>
-rw-r--r--fs/smb/common/smbdirect/smbdirect_socket.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/fs/smb/common/smbdirect/smbdirect_socket.h b/fs/smb/common/smbdirect/smbdirect_socket.h
new file mode 100644
index 000000000000..69a55561f91a
--- /dev/null
+++ b/fs/smb/common/smbdirect/smbdirect_socket.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2025 Stefan Metzmacher
+ */
+
+#ifndef __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_SOCKET_H__
+#define __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_SOCKET_H__
+
+enum smbdirect_socket_status {
+ SMBDIRECT_SOCKET_CREATED,
+ SMBDIRECT_SOCKET_CONNECTING,
+ SMBDIRECT_SOCKET_CONNECTED,
+ SMBDIRECT_SOCKET_NEGOTIATE_FAILED,
+ SMBDIRECT_SOCKET_DISCONNECTING,
+ SMBDIRECT_SOCKET_DISCONNECTED,
+ SMBDIRECT_SOCKET_DESTROYED
+};
+
+struct smbdirect_socket {
+ enum smbdirect_socket_status status;
+
+ /* RDMA related */
+ struct {
+ struct rdma_cm_id *cm_id;
+ } rdma;
+
+ /* IB verbs related */
+ struct {
+ struct ib_pd *pd;
+ struct ib_cq *send_cq;
+ struct ib_cq *recv_cq;
+
+ /*
+ * shortcuts for rdma.cm_id->{qp,device};
+ */
+ struct ib_qp *qp;
+ struct ib_device *dev;
+ } ib;
+};
+
+#endif /* __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_SOCKET_H__ */