Commit 02c39c01 authored by Stefan Metzmacher's avatar Stefan Metzmacher Committed by Steve French
Browse files

smb: smbdirect: introduce struct smbdirect_mr_io 



This will be used by the client in order to maintain
memory registrations.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Acked-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: default avatarStefan Metzmacher <metze@samba.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 6c5b0f92

fs/smb/common/smbdirect/smbdirect_socket.h

+26 −0
Original line number Diff line number Diff line
@@ -334,6 +334,32 @@ struct smbdirect_recv_io { 
	u8 packet[];

};



enum smbdirect_mr_state {

	SMBDIRECT_MR_READY,

	SMBDIRECT_MR_REGISTERED,

	SMBDIRECT_MR_INVALIDATED,

	SMBDIRECT_MR_ERROR

};



struct smbdirect_mr_io {

	struct smbdirect_socket *socket;

	struct ib_cqe cqe;



	struct list_head list;



	enum smbdirect_mr_state state;

	struct ib_mr *mr;

	struct sg_table sgt;

	enum dma_data_direction dir;

	union {

		struct ib_reg_wr wr;

		struct ib_send_wr inv_wr;

	};



	bool need_invalidate;

	struct completion invalidate_done;

};



struct smbdirect_rw_io {

	struct smbdirect_socket *socket;

	struct ib_cqe cqe;