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smb: smbdirect: introduce smbdirect_socket.logging infrastructure

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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: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Stefan Metzmacher 2025-10-23 02:31:28 +02:00 committed by Steve French
parent 731a5302be
commit c318239882
1 changed files with 127 additions and 0 deletions
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127
fs/smb/common/smbdirect/smbdirect_socket.h
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@ -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) ({ \