mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-08-09 06:14:34 +02:00
Stefan MetzmacherandSteve French
e768103cfb
This makes it easier to rebuild cifs.ko and ksmbd.ko against a running kernel. Suggested-by: Christoph Hellwig <hch@infradead.org> Link: https://lore.kernel.org/linux-cifs/aehrPuY60VMcYGU8@infradead.org/ 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: Christoph Hellwig <hch@infradead.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>
142 lines
4.5 KiB
C
142 lines
4.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2025, Stefan Metzmacher
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*/
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#ifndef __FS_SMB_COMMON_SMBDIRECT_INTERNAL_H__
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#define __FS_SMB_COMMON_SMBDIRECT_INTERNAL_H__
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#define DEFAULT_SYMBOL_NAMESPACE "SMBDIRECT"
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/smbdirect.h>
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#include "pdu.h"
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#include <linux/mutex.h>
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struct smbdirect_module_state {
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struct mutex mutex;
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struct {
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struct workqueue_struct *accept;
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struct workqueue_struct *connect;
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struct workqueue_struct *idle;
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struct workqueue_struct *refill;
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struct workqueue_struct *immediate;
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struct workqueue_struct *cleanup;
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} workqueues;
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struct {
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rwlock_t lock;
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struct list_head list;
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} devices;
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};
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extern struct smbdirect_module_state smbdirect_globals;
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#include "socket.h"
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struct smbdirect_device {
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struct list_head list;
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struct ib_device *ib_dev;
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/*
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* copy of ib_dev->name,
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* in order to print renames
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*/
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char ib_name[IB_DEVICE_NAME_MAX];
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};
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int smbdirect_socket_init_new(struct net *net, struct smbdirect_socket *sc);
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int smbdirect_socket_init_accepting(struct rdma_cm_id *id, struct smbdirect_socket *sc);
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void __smbdirect_socket_schedule_cleanup(struct smbdirect_socket *sc,
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const char *macro_name,
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unsigned int lvl,
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const char *func,
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unsigned int line,
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int error,
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enum smbdirect_socket_status *force_status);
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#define smbdirect_socket_schedule_cleanup(__sc, __error) \
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__smbdirect_socket_schedule_cleanup(__sc, \
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"smbdirect_socket_schedule_cleanup", SMBDIRECT_LOG_ERR, \
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__func__, __LINE__, __error, NULL)
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#define smbdirect_socket_schedule_cleanup_lvl(__sc, __lvl, __error) \
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__smbdirect_socket_schedule_cleanup(__sc, \
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"smbdirect_socket_schedule_cleanup_lvl", __lvl, \
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__func__, __LINE__, __error, NULL)
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#define smbdirect_socket_schedule_cleanup_status(__sc, __lvl, __error, __status) do { \
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enum smbdirect_socket_status __force_status = __status; \
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__smbdirect_socket_schedule_cleanup(__sc, \
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"smbdirect_socket_schedule_cleanup_status", __lvl, \
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__func__, __LINE__, __error, &__force_status); \
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} while (0)
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void smbdirect_socket_destroy_sync(struct smbdirect_socket *sc);
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int smbdirect_socket_wait_for_credits(struct smbdirect_socket *sc,
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enum smbdirect_socket_status expected_status,
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int unexpected_errno,
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wait_queue_head_t *waitq,
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atomic_t *total_credits,
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int needed);
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void smbdirect_connection_rdma_established(struct smbdirect_socket *sc);
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void smbdirect_connection_negotiation_done(struct smbdirect_socket *sc);
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int smbdirect_connection_create_qp(struct smbdirect_socket *sc);
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void smbdirect_connection_destroy_qp(struct smbdirect_socket *sc);
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int smbdirect_connection_create_mem_pools(struct smbdirect_socket *sc);
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void smbdirect_connection_destroy_mem_pools(struct smbdirect_socket *sc);
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struct smbdirect_send_io *smbdirect_connection_alloc_send_io(struct smbdirect_socket *sc);
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void smbdirect_connection_free_send_io(struct smbdirect_send_io *msg);
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struct smbdirect_recv_io *smbdirect_connection_get_recv_io(struct smbdirect_socket *sc);
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void smbdirect_connection_put_recv_io(struct smbdirect_recv_io *msg);
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void smbdirect_connection_reassembly_append_recv_io(struct smbdirect_socket *sc,
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struct smbdirect_recv_io *msg,
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u32 data_length);
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struct smbdirect_recv_io *
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smbdirect_connection_reassembly_first_recv_io(struct smbdirect_socket *sc);
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void smbdirect_connection_negotiate_rdma_resources(struct smbdirect_socket *sc,
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u8 peer_initiator_depth,
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u8 peer_responder_resources,
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const struct rdma_conn_param *param);
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void smbdirect_connection_idle_timer_work(struct work_struct *work);
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u16 smbdirect_connection_grant_recv_credits(struct smbdirect_socket *sc);
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int smbdirect_connection_post_send_wr(struct smbdirect_socket *sc,
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struct ib_send_wr *wr);
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int smbdirect_connection_post_recv_io(struct smbdirect_recv_io *msg);
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void smbdirect_connection_recv_io_done(struct ib_cq *cq, struct ib_wc *wc);
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int smbdirect_connection_recv_io_refill(struct smbdirect_socket *sc);
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int smbdirect_connection_create_mr_list(struct smbdirect_socket *sc);
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void smbdirect_connection_destroy_mr_list(struct smbdirect_socket *sc);
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int smbdirect_accept_connect_request(struct smbdirect_socket *sc,
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const struct rdma_conn_param *param);
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void smbdirect_accept_negotiate_finish(struct smbdirect_socket *sc, u32 ntstatus);
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__init int smbdirect_devices_init(void);
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__exit void smbdirect_devices_exit(void);
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#endif /* __FS_SMB_COMMON_SMBDIRECT_INTERNAL_H__ */
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