Commit c3182398 authored by Stefan Metzmacher's avatar Stefan Metzmacher Committed by Steve French
Browse files

smb: smbdirect: introduce smbdirect_socket.logging infrastructure 



This will be used by client and server in order to keep controlling
the logging when we move to shared functions.

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: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: default avatarStefan Metzmacher <metze@samba.org>
Acked-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 731a5302

fs/smb/common/smbdirect/smbdirect_socket.h

+127 −0
Original line number Diff line number Diff line
@@ -350,6 +350,35 @@ struct smbdirect_socket { 
		u64 dequeue_reassembly_queue;

		u64 send_empty;

	} statistics;



	struct {

#define SMBDIRECT_LOG_ERR		0x0

#define SMBDIRECT_LOG_INFO		0x1



#define SMBDIRECT_LOG_OUTGOING			0x1

#define SMBDIRECT_LOG_INCOMING			0x2

#define SMBDIRECT_LOG_READ			0x4

#define SMBDIRECT_LOG_WRITE			0x8

#define SMBDIRECT_LOG_RDMA_SEND			0x10

#define SMBDIRECT_LOG_RDMA_RECV			0x20

#define SMBDIRECT_LOG_KEEP_ALIVE		0x40

#define SMBDIRECT_LOG_RDMA_EVENT		0x80

#define SMBDIRECT_LOG_RDMA_MR			0x100

#define SMBDIRECT_LOG_RDMA_RW			0x200

#define SMBDIRECT_LOG_NEGOTIATE			0x400

		void *private_ptr;

		bool (*needed)(struct smbdirect_socket *sc,

			       void *private_ptr,

			       unsigned int lvl,

			       unsigned int cls);

		void (*vaprintf)(struct smbdirect_socket *sc,

				 const char *func,

				 unsigned int line,

				 void *private_ptr,

				 unsigned int lvl,

				 unsigned int cls,

				 struct va_format *vaf);

	} logging;

};



static void __smbdirect_socket_disabled_work(struct work_struct *work)
@@ -360,6 +389,100 @@ static void __smbdirect_socket_disabled_work(struct work_struct *work) 
	WARN_ON_ONCE(1);

}



static bool __smbdirect_log_needed(struct smbdirect_socket *sc,

				   void *private_ptr,

				   unsigned int lvl,

				   unsigned int cls)

{

	/*

	 * Should never be called, the caller should

	 * set it's own functions.

	 */

	WARN_ON_ONCE(1);

	return false;

}



static void __smbdirect_log_vaprintf(struct smbdirect_socket *sc,

				     const char *func,

				     unsigned int line,

				     void *private_ptr,

				     unsigned int lvl,

				     unsigned int cls,

				     struct va_format *vaf)

{

	/*

	 * Should never be called, the caller should

	 * set it's own functions.

	 */

	WARN_ON_ONCE(1);

}



__printf(6, 7)

static void __smbdirect_log_printf(struct smbdirect_socket *sc,

				   const char *func,

				   unsigned int line,

				   unsigned int lvl,

				   unsigned int cls,

				   const char *fmt,

				   ...);

__maybe_unused

static void __smbdirect_log_printf(struct smbdirect_socket *sc,

				   const char *func,

				   unsigned int line,

				   unsigned int lvl,

				   unsigned int cls,

				   const char *fmt,

				   ...)

{

	struct va_format vaf;

	va_list args;



	va_start(args, fmt);



	vaf.fmt = fmt;

	vaf.va = &args;



	sc->logging.vaprintf(sc,

			     func,

			     line,

			     sc->logging.private_ptr,

			     lvl,

			     cls,

			     &vaf);

	va_end(args);

}



#define ___smbdirect_log_generic(sc, func, line, lvl, cls, fmt, args...) do {	\

	if (sc->logging.needed(sc, sc->logging.private_ptr, lvl, cls)) {	\

		__smbdirect_log_printf(sc, func, line, lvl, cls, fmt, ##args);	\

	}									\

} while (0)

#define __smbdirect_log_generic(sc, lvl, cls, fmt, args...) \

	___smbdirect_log_generic(sc, __func__, __LINE__, lvl, cls, fmt, ##args)



#define smbdirect_log_outgoing(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_OUTGOING, fmt, ##args)

#define smbdirect_log_incoming(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_INCOMING, fmt, ##args)

#define smbdirect_log_read(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_READ, fmt, ##args)

#define smbdirect_log_write(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_WRITE, fmt, ##args)

#define smbdirect_log_rdma_send(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_RDMA_SEND, fmt, ##args)

#define smbdirect_log_rdma_recv(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_RDMA_RECV, fmt, ##args)

#define smbdirect_log_keep_alive(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_KEEP_ALIVE, fmt, ##args)

#define smbdirect_log_rdma_event(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_RDMA_EVENT, fmt, ##args)

#define smbdirect_log_rdma_mr(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_RDMA_MR, fmt, ##args)

#define smbdirect_log_rdma_rw(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_RDMA_RW, fmt, ##args)

#define smbdirect_log_negotiate(sc, lvl, fmt, args...) \

		__smbdirect_log_generic(sc, lvl, SMBDIRECT_LOG_NEGOTIATE, fmt, ##args)



static __always_inline void smbdirect_socket_init(struct smbdirect_socket *sc)

{

	/*
@@ -420,6 +543,10 @@ static __always_inline void smbdirect_socket_init(struct smbdirect_socket *sc) 
	INIT_WORK(&sc->mr_io.recovery_work, __smbdirect_socket_disabled_work);

	disable_work_sync(&sc->mr_io.recovery_work);

	init_waitqueue_head(&sc->mr_io.cleanup.wait_queue);



	sc->logging.private_ptr = NULL;

	sc->logging.needed = __smbdirect_log_needed;

	sc->logging.vaprintf = __smbdirect_log_vaprintf;

}



#define __SMBDIRECT_CHECK_STATUS_FAILED(__sc, __expected_status, __error_cmd, __unexpected_cmd) ({ \