drivers/infiniband/hw/usnic/usnic_transport.h

Source file repositories/reference/linux-study-clean/drivers/infiniband/hw/usnic/usnic_transport.h

File Facts

System
Linux kernel
Corpus path
drivers/infiniband/hw/usnic/usnic_transport.h
Extension
.h
Size
2599 bytes
Lines
67
Domain
Driver Families
Bucket
drivers/infiniband
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef USNIC_TRANSPORT_H_
#define USNIC_TRANSPORT_H_

#include "usnic_abi.h"

const char *usnic_transport_to_str(enum usnic_transport_type trans_type);
/*
 * Returns number of bytes written, excluding null terminator. If
 * nothing was written, the function returns 0.
 */
int usnic_transport_sock_to_str(char *buf, int buf_sz,
					struct socket *sock);
/*
 * Reserve a port. If "port_num" is set, then the function will try
 * to reserve that particular port.
 */
u16 usnic_transport_rsrv_port(enum usnic_transport_type type, u16 port_num);
void usnic_transport_unrsrv_port(enum usnic_transport_type type, u16 port_num);
/*
 * Do a fget on the socket refered to by sock_fd and returns the socket.
 * Socket will not be destroyed before usnic_transport_put_socket has
 * been called.
 */
struct socket *usnic_transport_get_socket(int sock_fd);
void usnic_transport_put_socket(struct socket *sock);
/*
 * Call usnic_transport_get_socket before calling *_sock_get_addr
 */
int usnic_transport_sock_get_addr(struct socket *sock, int *proto,
					uint32_t *addr, uint16_t *port);
int usnic_transport_init(void);
void usnic_transport_fini(void);
#endif /* !USNIC_TRANSPORT_H */

Annotation

Implementation Notes