numam-spdk/lib/iscsi/portal_grp.h
Ben Walker 39e850d17b iscsi: Remove cpumask from portals
Connections will soon be assigned to poll groups, which will be
dynamically moved between CPU cores based on load. It no longer makes
sense to restrict certain portal groups to specific cpu cores in this
model.

Change-Id: Iee983d75febc9797aa60021c5bc0680335e895cd
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/463358
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-08-08 05:35:01 +00:00

85 lines
3.4 KiB
C

/*-
* BSD LICENSE
*
* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
* 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 SPDK_PORTAL_GRP_H
#define SPDK_PORTAL_GRP_H
#include "spdk/conf.h"
#define MAX_PORTAL_ADDR 256
#define MAX_PORTAL_PORT 32
struct spdk_json_write_ctx;
struct spdk_iscsi_portal {
struct spdk_iscsi_portal_grp *group;
char host[MAX_PORTAL_ADDR + 1];
char port[MAX_PORTAL_PORT + 1];
struct spdk_sock *sock;
struct spdk_poller *acceptor_poller;
TAILQ_ENTRY(spdk_iscsi_portal) per_pg_tailq;
TAILQ_ENTRY(spdk_iscsi_portal) g_tailq;
};
struct spdk_iscsi_portal_grp {
int ref;
int tag;
TAILQ_ENTRY(spdk_iscsi_portal_grp) tailq;
TAILQ_HEAD(, spdk_iscsi_portal) head;
};
/* SPDK iSCSI Portal Group management API */
struct spdk_iscsi_portal *spdk_iscsi_portal_create(const char *host, const char *port);
void spdk_iscsi_portal_destroy(struct spdk_iscsi_portal *p);
struct spdk_iscsi_portal_grp *spdk_iscsi_portal_grp_create(int tag);
void spdk_iscsi_portal_grp_add_portal(struct spdk_iscsi_portal_grp *pg,
struct spdk_iscsi_portal *p);
void spdk_iscsi_portal_grp_destroy(struct spdk_iscsi_portal_grp *pg);
void spdk_iscsi_portal_grp_release(struct spdk_iscsi_portal_grp *pg);
int spdk_iscsi_parse_portal_grps(void);
void spdk_iscsi_portal_grps_destroy(void);
int spdk_iscsi_portal_grp_register(struct spdk_iscsi_portal_grp *pg);
struct spdk_iscsi_portal_grp *spdk_iscsi_portal_grp_unregister(int tag);
struct spdk_iscsi_portal_grp *spdk_iscsi_portal_grp_find_by_tag(int tag);
int spdk_iscsi_portal_grp_open(struct spdk_iscsi_portal_grp *pg);
void spdk_iscsi_portal_grp_close_all(void);
void spdk_iscsi_portal_grps_config_text(FILE *fp);
void spdk_iscsi_portal_grps_info_json(struct spdk_json_write_ctx *w);
void spdk_iscsi_portal_grps_config_json(struct spdk_json_write_ctx *w);
#endif /* SPDK_PORTAL_GRP_H */