153f03cf42
Implement bdev_nvme_reset_controller rpc, which allows the NVMe controller to be reset over RPC. Implement bdev_nvme_reset_rpc() which starts the reset of the controller and returns the result of the controller reset via the callback function after it completes. Signed-off-by: Jonathan Teh <jonathan.teh@mayadata.io> Change-Id: Id98d5e56feb315b7e44e9bb5e5f495e9b1cd1de0 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8456 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Community-CI: Mellanox Build Bot Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
108 lines
4.1 KiB
C
108 lines
4.1 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright (c) Intel Corporation. All rights reserved.
|
|
* Copyright (c) 2019 Mellanox Technologies LTD. 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_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;
|
|
uint64_t timeout_admin_us;
|
|
uint32_t keep_alive_timeout_ms;
|
|
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;
|
|
bool delay_cmd_submit;
|
|
};
|
|
|
|
struct spdk_nvme_qpair *bdev_nvme_get_io_qpair(struct spdk_io_channel *ctrlr_io_ch);
|
|
void bdev_nvme_get_opts(struct spdk_bdev_nvme_opts *opts);
|
|
int bdev_nvme_set_opts(const struct spdk_bdev_nvme_opts *opts);
|
|
int bdev_nvme_set_hotplug(bool enabled, uint64_t period_us, spdk_msg_fn cb, void *cb_ctx);
|
|
int bdev_nvme_remove_trid(const char *name, struct spdk_nvme_transport_id *trid);
|
|
|
|
int 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_opts *opts);
|
|
struct spdk_nvme_ctrlr *bdev_nvme_get_ctrlr(struct spdk_bdev *bdev);
|
|
|
|
/**
|
|
* Delete NVMe controller with all bdevs on top of it, or delete the specified path
|
|
* if there is any alternative path. Requires to pass name of NVMe controller.
|
|
*
|
|
* \param name NVMe controller name
|
|
* \param trid The specified transport ID to remove (optional)
|
|
* \return zero on success, -EINVAL on wrong parameters or -ENODEV if controller is not found
|
|
*/
|
|
int bdev_nvme_delete(const char *name, const struct spdk_nvme_transport_id *trid);
|
|
|
|
/**
|
|
* Reset NVMe controller.
|
|
*
|
|
* \param nvme_ctrlr The specified NVMe controller to reset
|
|
* \param cb_fn Function to be called back after reset completes
|
|
* \param cb_arg Argument for callback function
|
|
* \return zero on success. Negated errno on the following error conditions:
|
|
* -EBUSY: controller is being destroyed.
|
|
* -EAGAIN: controller is already being reset.
|
|
*/
|
|
int bdev_nvme_reset_rpc(struct nvme_ctrlr *nvme_ctrlr, bdev_nvme_reset_cb cb_fn, void *cb_arg);
|
|
|
|
#endif /* SPDK_BDEV_NVME_H */
|