freebsd-src/usr.sbin/nvmfd/internal.h
John Baldwin 399362bac3 nvmfd: Permit setting the MAXH2CDATA value via -H
This value is advertised to the remote host for TCP associations and
determines the maximum data payload size the remote host is permitted
to transmit in a single PDU.

Sponsored by:	Chelsio Communications
2024-07-25 15:33:15 -04:00

67 lines
1.9 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2023-2024 Chelsio Communications, Inc.
* Written by: John Baldwin <jhb@FreeBSD.org>
*/
#ifndef __INTERNAL_H__
#define __INTERNAL_H__
#include <stdbool.h>
struct controller;
struct nvme_command;
struct nvme_controller_data;
struct nvme_ns_list;
struct nvmf_capsule;
struct nvmf_qpair;
typedef bool handle_command(const struct nvmf_capsule *,
const struct nvme_command *, void *);
extern bool data_digests;
extern bool header_digests;
extern bool flow_control_disable;
extern bool kernel_io;
extern uint32_t maxh2cdata;
/* controller.c */
void controller_handle_admin_commands(struct controller *c,
handle_command *cb, void *cb_arg);
struct controller *init_controller(struct nvmf_qpair *qp,
const struct nvme_controller_data *cdata);
void free_controller(struct controller *c);
/* discovery.c */
void init_discovery(void);
void handle_discovery_socket(int s);
void discovery_add_io_controller(int s, const char *subnqn);
/* io.c */
void init_io(const char *subnqn);
void handle_io_socket(int s);
void shutdown_io(void);
/* devices.c */
void register_devices(int ac, char **av);
u_int device_count(void);
void device_active_nslist(uint32_t nsid, struct nvme_ns_list *nslist);
bool device_identification_descriptor(uint32_t nsid, void *buf);
bool device_namespace_data(uint32_t nsid, struct nvme_namespace_data *nsdata);
void device_read(uint32_t nsid, uint64_t lba, u_int nlb,
const struct nvmf_capsule *nc);
void device_write(uint32_t nsid, uint64_t lba, u_int nlb,
const struct nvmf_capsule *nc);
void device_flush(uint32_t nsid, const struct nvmf_capsule *nc);
/* ctl.c */
void init_ctl_port(const char *subnqn,
const struct nvmf_association_params *params);
void ctl_handoff_qpair(struct nvmf_qpair *qp,
const struct nvmf_fabric_connect_cmd *cmd,
const struct nvmf_fabric_connect_data *data);
void shutdown_ctl_port(const char *subnqn);
#endif /* !__INTERNAL_H__ */