1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 5 * All rights reserved. 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 #include "spdk/stdinc.h" 35 36 #include "spdk/bdev_zone.h" 37 #include "spdk/bdev_module.h" 38 39 #include "bdev_internal.h" 40 41 uint64_t 42 spdk_bdev_get_zone_size(const struct spdk_bdev *bdev) 43 { 44 return bdev->zone_size; 45 } 46 47 uint64_t 48 spdk_bdev_get_num_zones(const struct spdk_bdev *bdev) 49 { 50 return bdev->zone_size ? bdev->blockcnt / bdev->zone_size : 0; 51 } 52 53 uint32_t 54 spdk_bdev_get_max_zone_append_size(const struct spdk_bdev *bdev) 55 { 56 return bdev->max_zone_append_size; 57 } 58 59 uint32_t 60 spdk_bdev_get_max_open_zones(const struct spdk_bdev *bdev) 61 { 62 return bdev->max_open_zones; 63 } 64 65 uint32_t 66 spdk_bdev_get_max_active_zones(const struct spdk_bdev *bdev) 67 { 68 return bdev->max_active_zones; 69 } 70 71 uint32_t 72 spdk_bdev_get_optimal_open_zones(const struct spdk_bdev *bdev) 73 { 74 return bdev->optimal_open_zones; 75 } 76 77 int 78 spdk_bdev_get_zone_info(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 79 uint64_t zone_id, size_t num_zones, struct spdk_bdev_zone_info *info, 80 spdk_bdev_io_completion_cb cb, void *cb_arg) 81 { 82 struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc); 83 struct spdk_bdev_io *bdev_io; 84 struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch); 85 86 bdev_io = bdev_channel_get_io(channel); 87 if (!bdev_io) { 88 return -ENOMEM; 89 } 90 91 bdev_io->internal.ch = channel; 92 bdev_io->internal.desc = desc; 93 bdev_io->type = SPDK_BDEV_IO_TYPE_GET_ZONE_INFO; 94 bdev_io->u.zone_mgmt.zone_id = zone_id; 95 bdev_io->u.zone_mgmt.num_zones = num_zones; 96 bdev_io->u.zone_mgmt.buf = info; 97 bdev_io_init(bdev_io, bdev, cb_arg, cb); 98 99 bdev_io_submit(bdev_io); 100 return 0; 101 } 102 103 int 104 spdk_bdev_zone_management(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 105 uint64_t zone_id, enum spdk_bdev_zone_action action, 106 spdk_bdev_io_completion_cb cb, void *cb_arg) 107 { 108 struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc); 109 struct spdk_bdev_io *bdev_io; 110 struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch); 111 112 bdev_io = bdev_channel_get_io(channel); 113 if (!bdev_io) { 114 return -ENOMEM; 115 } 116 117 bdev_io->internal.ch = channel; 118 bdev_io->internal.desc = desc; 119 bdev_io->type = SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT; 120 bdev_io->u.zone_mgmt.zone_action = action; 121 bdev_io->u.zone_mgmt.zone_id = zone_id; 122 bdev_io->u.zone_mgmt.num_zones = 1; 123 bdev_io_init(bdev_io, bdev, cb_arg, cb); 124 125 bdev_io_submit(bdev_io); 126 return 0; 127 } 128 129 static int 130 zone_bdev_append_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 131 void *buf, void *md_buf, uint64_t zone_id, uint64_t num_blocks, 132 spdk_bdev_io_completion_cb cb, void *cb_arg) 133 { 134 struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc); 135 struct spdk_bdev_io *bdev_io; 136 struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch); 137 138 bdev_io = bdev_channel_get_io(channel); 139 if (!bdev_io) { 140 return -ENOMEM; 141 } 142 143 bdev_io->internal.ch = channel; 144 bdev_io->internal.desc = desc; 145 bdev_io->type = SPDK_BDEV_IO_TYPE_ZONE_APPEND; 146 bdev_io->u.bdev.iovs = &bdev_io->iov; 147 bdev_io->u.bdev.iovs[0].iov_base = buf; 148 bdev_io->u.bdev.iovs[0].iov_len = num_blocks * bdev->blocklen; 149 bdev_io->u.bdev.iovcnt = 1; 150 bdev_io->u.bdev.md_buf = md_buf; 151 bdev_io->u.bdev.num_blocks = num_blocks; 152 bdev_io->u.bdev.offset_blocks = zone_id; 153 bdev_io_init(bdev_io, bdev, cb_arg, cb); 154 155 bdev_io_submit(bdev_io); 156 return 0; 157 } 158 159 int 160 spdk_bdev_zone_append(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 161 void *buf, uint64_t start_lba, uint64_t num_blocks, 162 spdk_bdev_io_completion_cb cb, void *cb_arg) 163 { 164 return zone_bdev_append_with_md(desc, ch, buf, NULL, start_lba, num_blocks, 165 cb, cb_arg); 166 } 167 168 int 169 spdk_bdev_zone_append_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 170 void *buf, void *md, uint64_t start_lba, uint64_t num_blocks, 171 spdk_bdev_io_completion_cb cb, void *cb_arg) 172 { 173 return zone_bdev_append_with_md(desc, ch, buf, md, start_lba, num_blocks, 174 cb, cb_arg); 175 } 176 177 int 178 spdk_bdev_zone_appendv_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 179 struct iovec *iov, int iovcnt, void *md_buf, uint64_t zone_id, 180 uint64_t num_blocks, spdk_bdev_io_completion_cb cb, 181 void *cb_arg) 182 { 183 struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc); 184 struct spdk_bdev_io *bdev_io; 185 struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch); 186 187 bdev_io = bdev_channel_get_io(channel); 188 if (!bdev_io) { 189 return -ENOMEM; 190 } 191 192 bdev_io->internal.ch = channel; 193 bdev_io->internal.desc = desc; 194 bdev_io->type = SPDK_BDEV_IO_TYPE_ZONE_APPEND; 195 bdev_io->u.bdev.iovs = iov; 196 bdev_io->u.bdev.iovcnt = iovcnt; 197 bdev_io->u.bdev.md_buf = md_buf; 198 bdev_io->u.bdev.num_blocks = num_blocks; 199 bdev_io->u.bdev.offset_blocks = zone_id; 200 bdev_io_init(bdev_io, bdev, cb_arg, cb); 201 202 bdev_io_submit(bdev_io); 203 return 0; 204 } 205 206 int 207 spdk_bdev_zone_appendv(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 208 struct iovec *iovs, int iovcnt, uint64_t zone_id, uint64_t num_blocks, 209 spdk_bdev_io_completion_cb cb, void *cb_arg) 210 { 211 return spdk_bdev_zone_appendv_with_md(desc, ch, iovs, iovcnt, NULL, zone_id, num_blocks, 212 cb, cb_arg); 213 } 214 215 uint64_t 216 spdk_bdev_io_get_append_location(struct spdk_bdev_io *bdev_io) 217 { 218 return bdev_io->u.bdev.offset_blocks; 219 } 220