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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: Namjae Jeon <linkinjeon@kernel.org>
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>
pull/1354/merge
Stefan Metzmacher 2025-08-21 16:16:47 +02:00 committed by Steve French
parent 6c5b0f9253
commit 02c39c0121
1 changed files with 26 additions and 0 deletions
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26
fs/smb/common/smbdirect/smbdirect_socket.h
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@ -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;