projects / ceph.git / blame
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|---|---|---|
| 11fdf7f2 TL |
1 | /*- |
| 2 | * BSD LICENSE | |
| 3 | * | |
| f67539c2 TL |
4 | * Copyright (c) Intel Corporation. All rights reserved. |
| 5 | * Copyright (c) 2019 Mellanox Technologies LTD. All rights reserved. | |
| 11fdf7f2 TL |
6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without | |
| 8 | * modification, are permitted provided that the following conditions | |
| 9 | * are met: | |
| 10 | * | |
| 11 | * * Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * * Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in | |
| 15 | * the documentation and/or other materials provided with the | |
| 16 | * distribution. | |
| 17 | * * Neither the name of Intel Corporation nor the names of its | |
| 18 | * contributors may be used to endorse or promote products derived | |
| 19 | * from this software without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 32 | */ | |
| 33 | ||
| 34 | #ifndef SPDK_BDEV_NVME_H | |
| 35 | #define SPDK_BDEV_NVME_H | |
| 36 | ||
| 37 | #include "spdk/stdinc.h" | |
| 38 | ||
| 39 | #include "spdk/queue.h" | |
| 40 | #include "spdk/nvme.h" | |
| 41 | #include "spdk/bdev_module.h" | |
| 42 | ||
| f67539c2 TL |
43 | #include "common.h" |
| 44 | ||
| 11fdf7f2 TL |
45 | enum spdk_bdev_timeout_action { |
| 46 | SPDK_BDEV_NVME_TIMEOUT_ACTION_NONE = 0, | |
| 47 | SPDK_BDEV_NVME_TIMEOUT_ACTION_RESET, | |
| 48 | SPDK_BDEV_NVME_TIMEOUT_ACTION_ABORT, | |
| 49 | }; | |
| 50 | ||
| 51 | struct spdk_bdev_nvme_opts { | |
| 52 | enum spdk_bdev_timeout_action action_on_timeout; | |
| 53 | uint64_t timeout_us; | |
| 54 | uint32_t retry_count; | |
| f67539c2 TL |
55 | uint32_t arbitration_burst; |
| 56 | uint32_t low_priority_weight; | |
| 57 | uint32_t medium_priority_weight; | |
| 58 | uint32_t high_priority_weight; | |
| 11fdf7f2 | 59 | uint64_t nvme_adminq_poll_period_us; |
| 9f95a23c | 60 | uint64_t nvme_ioq_poll_period_us; |
| f67539c2 TL |
61 | uint32_t io_queue_requests; |
| 62 | bool delay_cmd_submit; | |
| 11fdf7f2 TL |
63 | }; |
| 64 | ||
| f67539c2 TL |
65 | struct spdk_nvme_qpair *bdev_nvme_get_io_qpair(struct spdk_io_channel *ctrlr_io_ch); |
| 66 | void bdev_nvme_get_opts(struct spdk_bdev_nvme_opts *opts); | |
| 67 | int bdev_nvme_set_opts(const struct spdk_bdev_nvme_opts *opts); | |
| 68 | int bdev_nvme_set_hotplug(bool enabled, uint64_t period_us, spdk_msg_fn cb, void *cb_ctx); | |
| 11fdf7f2 | 69 | |
| f67539c2 TL |
70 | int bdev_nvme_create(struct spdk_nvme_transport_id *trid, |
| 71 | struct spdk_nvme_host_id *hostid, | |
| 72 | const char *base_name, | |
| 73 | const char **names, | |
| 74 | uint32_t count, | |
| 75 | const char *hostnqn, | |
| 76 | uint32_t prchk_flags, | |
| 77 | spdk_bdev_create_nvme_fn cb_fn, | |
| 78 | void *cb_ctx); | |
| 79 | struct spdk_nvme_ctrlr *bdev_nvme_get_ctrlr(struct spdk_bdev *bdev); | |
| 11fdf7f2 TL |
80 | |
| 81 | /** | |
| 82 | * Delete NVMe controller with all bdevs on top of it. | |
| 83 | * Requires to pass name of NVMe controller. | |
| 84 | * | |
| 85 | * \param name NVMe controller name | |
| 86 | * \return zero on success, -EINVAL on wrong parameters or -ENODEV if controller is not found | |
| 87 | */ | |
| f67539c2 | 88 | int bdev_nvme_delete(const char *name); |
| 11fdf7f2 | 89 | |
| 9f95a23c | 90 | #endif /* SPDK_BDEV_NVME_H */ |