Spdk/app/nvmf_tgt/nvmf_tgt.h
Ben Walker f6e62d2ce1 nvmf: Remove direct mode
There is now only virtual mode. Virtual mode has been
improved enough to reach feature parity with direct
mode and performance benchmarks show no degradation.
Simplify the code by always using virtual mode.

Change-Id: Id5cdb5d4d8c54e661b245ed7250c2f9d66ca2152
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/369496
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-08-02 13:57:45 -04:00

93 lines
2.9 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef NVMF_TGT_H
#define NVMF_TGT_H
#include "spdk/stdinc.h"
#include "spdk/nvmf.h"
#include "spdk/queue.h"
#include "spdk/event.h"
struct rpc_listen_address {
char *transport;
char *adrfam;
char *traddr;
char *trsvcid;
};
struct spdk_nvmf_tgt_conf {
uint32_t acceptor_lcore;
uint32_t acceptor_poll_rate;
};
struct nvmf_tgt_subsystem {
struct spdk_nvmf_subsystem *subsystem;
struct spdk_poller *poller;
TAILQ_ENTRY(nvmf_tgt_subsystem) tailq;
uint32_t lcore;
};
extern struct spdk_nvmf_tgt_conf g_spdk_nvmf_tgt_conf;
struct nvmf_tgt_subsystem *
nvmf_tgt_subsystem_first(void);
struct nvmf_tgt_subsystem *
nvmf_tgt_subsystem_next(struct nvmf_tgt_subsystem *subsystem);
int spdk_nvmf_parse_conf(void);
void nvmf_tgt_start_subsystem(struct nvmf_tgt_subsystem *subsystem);
struct nvmf_tgt_subsystem *nvmf_tgt_create_subsystem(const char *name,
enum spdk_nvmf_subtype subtype,
uint32_t lcore);
int
spdk_nvmf_construct_subsystem(const char *name,
int32_t lcore,
int num_listen_addresses, struct rpc_listen_address *addresses,
int num_hosts, char *hosts[],
const char *sn, int num_devs, char *dev_list[]);
int
nvmf_tgt_shutdown_subsystem_by_nqn(const char *nqn);
int spdk_nvmf_tgt_start(struct spdk_app_opts *opts);
#endif