Spdk/module/bdev/nvme/bdev_nvme.h
Maciej Szwed 3a9b5f3cd2 bdev/nvme: Do not use the same pointer in rpc and bdev code
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>
2019-10-09 14:34:16 +00:00

90 lines
3.3 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SPDK_BDEV_NVME_H
#define SPDK_BDEV_NVME_H
#include "spdk/stdinc.h"
#include "spdk/queue.h"
#include "spdk/nvme.h"
#include "spdk/bdev_module.h"
#include "common.h"
enum spdk_bdev_timeout_action {
SPDK_BDEV_NVME_TIMEOUT_ACTION_NONE = 0,
SPDK_BDEV_NVME_TIMEOUT_ACTION_RESET,
SPDK_BDEV_NVME_TIMEOUT_ACTION_ABORT,
};
struct spdk_bdev_nvme_opts {
enum spdk_bdev_timeout_action action_on_timeout;
uint64_t timeout_us;
uint32_t retry_count;
uint32_t arbitration_burst;
uint32_t low_priority_weight;
uint32_t medium_priority_weight;
uint32_t high_priority_weight;
uint64_t nvme_adminq_poll_period_us;
uint64_t nvme_ioq_poll_period_us;
uint32_t io_queue_requests;
};
struct spdk_nvme_qpair *spdk_bdev_nvme_get_io_qpair(struct spdk_io_channel *ctrlr_io_ch);
void spdk_bdev_nvme_get_opts(struct spdk_bdev_nvme_opts *opts);
int spdk_bdev_nvme_set_opts(const struct spdk_bdev_nvme_opts *opts);
int spdk_bdev_nvme_set_hotplug(bool enabled, uint64_t period_us, spdk_msg_fn cb, void *cb_ctx);
int spdk_bdev_nvme_create(struct spdk_nvme_transport_id *trid,
struct spdk_nvme_host_id *hostid,
const char *base_name,
const char **names,
uint32_t count,
const char *hostnqn,
uint32_t prchk_flags,
spdk_bdev_create_nvme_fn cb_fn,
void *cb_ctx);
struct spdk_nvme_ctrlr *spdk_bdev_nvme_get_ctrlr(struct spdk_bdev *bdev);
/**
* Delete NVMe controller with all bdevs on top of it.
* Requires to pass name of NVMe controller.
*
* \param name NVMe controller name
* \return zero on success, -EINVAL on wrong parameters or -ENODEV if controller is not found
*/
int spdk_bdev_nvme_delete(const char *name);
#endif /* SPDK_BDEV_NVME_H */