numam-spdk/lib/nvmf/nvmf_internal.h
Ben Walker 45f04c8907 nvmf: Encapsulate spdk_nvmf_host
Hide the definition of spdk_nvmf_host. Add accessors
for the necessary data.

Change-Id: I28f5b8d243cb1b299724a1dd32fcf2f2bd95e1f9
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/374870
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2017-08-21 15:11:59 -04:00

112 lines
4.0 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_INTERNAL_H__
#define __NVMF_INTERNAL_H__
#include "spdk/stdinc.h"
#include "spdk/likely.h"
#include "spdk/nvmf.h"
#include "spdk/nvmf_spec.h"
#include "spdk/assert.h"
#include "spdk/queue.h"
#include "spdk/util.h"
#define SPDK_NVMF_DEFAULT_NUM_CTRLRS_PER_LCORE 1
struct spdk_nvmf_tgt {
uint16_t max_queue_depth;
uint16_t max_qpairs_per_ctrlr;
uint32_t in_capsule_data_size;
uint32_t max_io_size;
uint64_t discovery_genctr;
TAILQ_HEAD(, spdk_nvmf_subsystem) subsystems;
struct spdk_nvmf_discovery_log_page *discovery_log_page;
size_t discovery_log_page_size;
TAILQ_HEAD(, spdk_nvmf_listen_addr) listen_addrs;
uint32_t current_subsystem_id;
TAILQ_HEAD(, spdk_nvmf_transport) transports;
};
struct spdk_nvmf_host {
char *nqn;
TAILQ_ENTRY(spdk_nvmf_host) link;
};
struct spdk_nvmf_poll_group {
struct spdk_nvmf_transport *transport;
TAILQ_ENTRY(spdk_nvmf_poll_group) link;
};
extern struct spdk_nvmf_tgt g_nvmf_tgt;
struct spdk_nvmf_listen_addr *spdk_nvmf_listen_addr_create(struct spdk_nvme_transport_id *trid);
void spdk_nvmf_listen_addr_destroy(struct spdk_nvmf_listen_addr *addr);
struct spdk_nvmf_transport *spdk_nvmf_tgt_get_transport(struct spdk_nvmf_tgt *tgt,
enum spdk_nvme_transport_type);
static inline struct spdk_nvmf_ns *
_spdk_nvmf_subsystem_get_ns(struct spdk_nvmf_subsystem *subsystem, uint32_t nsid)
{
struct spdk_nvmf_ns *ns;
/* NOTE: This implicitly also checks for 0, since 0 - 1 wraps around to UINT32_MAX. */
if (spdk_unlikely(nsid - 1 >= subsystem->max_nsid)) {
return NULL;
}
ns = &subsystem->ns[nsid - 1];
if (!ns->allocated) {
return NULL;
}
return ns;
}
#define OBJECT_NVMF_IO 0x30
#define TRACE_GROUP_NVMF 0x3
#define TRACE_NVMF_IO_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x0)
#define TRACE_RDMA_READ_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x1)
#define TRACE_RDMA_WRITE_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x2)
#define TRACE_RDMA_READ_COMPLETE SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x3)
#define TRACE_RDMA_WRITE_COMPLETE SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x4)
#define TRACE_NVMF_LIB_READ_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x5)
#define TRACE_NVMF_LIB_WRITE_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x6)
#define TRACE_NVMF_LIB_COMPLETE SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x7)
#define TRACE_NVMF_IO_COMPLETE SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x8)
#endif /* __NVMF_INTERNAL_H__ */