3a9b5f3cd2
Due to upcoming change we cannot use the same count pointer in rpc call and bdev creation function. With async bdev creation there will be a problem when freeing context. Signed-off-by: Maciej Szwed <maciej.szwed@intel.com> Change-Id: I98da89481d7f506161d8adf5a1b2365907385a13 Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/468463 Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_COMMON_BDEV_NVME_H
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#define SPDK_COMMON_BDEV_NVME_H
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#include "spdk/nvme.h"
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#include "spdk/bdev_module.h"
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#include "spdk/opal.h"
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TAILQ_HEAD(nvme_bdev_ctrlrs, nvme_bdev_ctrlr);
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extern struct nvme_bdev_ctrlrs g_nvme_bdev_ctrlrs;
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extern pthread_mutex_t g_bdev_nvme_mutex;
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#define NVME_MAX_CONTROLLERS 1024
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struct nvme_bdev_ctrlr {
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/**
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* points to pinned, physically contiguous memory region;
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* contains 4KB IDENTIFY structure for controller which is
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* target for CONTROLLER IDENTIFY command during initialization
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*/
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struct spdk_nvme_ctrlr *ctrlr;
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struct spdk_nvme_transport_id trid;
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char *name;
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int ref;
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bool destruct;
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/**
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* PI check flags. This flags is set to NVMe controllers created only
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* through bdev_nvme_attach_controller RPC or .INI config file. Hot added
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* NVMe controllers are not included.
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*/
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uint32_t prchk_flags;
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uint32_t num_ns;
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/** Array of bdevs indexed by nsid - 1 */
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struct nvme_bdev *bdevs;
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struct spdk_opal_dev *opal_dev;
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struct spdk_poller *adminq_timer_poller;
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/** linked list pointer for device list */
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TAILQ_ENTRY(nvme_bdev_ctrlr) tailq;
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};
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struct nvme_bdev {
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struct spdk_bdev disk;
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struct nvme_bdev_ctrlr *nvme_bdev_ctrlr;
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uint32_t id;
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bool active;
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struct spdk_nvme_ns *ns;
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};
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typedef void (*spdk_bdev_create_nvme_fn)(void *ctx, size_t bdev_count, int rc);
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struct nvme_async_probe_ctx {
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struct spdk_nvme_probe_ctx *probe_ctx;
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const char *base_name;
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const char **names;
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uint32_t count;
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uint32_t prchk_flags;
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struct spdk_poller *poller;
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struct spdk_nvme_transport_id trid;
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struct spdk_nvme_ctrlr_opts opts;
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spdk_bdev_create_nvme_fn cb_fn;
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void *cb_ctx;
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};
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struct nvme_bdev_ctrlr *nvme_bdev_ctrlr_get(const struct spdk_nvme_transport_id *trid);
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struct nvme_bdev_ctrlr *nvme_bdev_ctrlr_get_by_name(const char *name);
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struct nvme_bdev_ctrlr *nvme_bdev_first_ctrlr(void);
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struct nvme_bdev_ctrlr *nvme_bdev_next_ctrlr(struct nvme_bdev_ctrlr *prev);
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void nvme_bdev_dump_trid_json(struct spdk_nvme_transport_id *trid,
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struct spdk_json_write_ctx *w);
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#endif /* SPDK_COMMON_BDEV_NVME_H */
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