1 /* $NetBSD: rf_compat80.c,v 1.17 2022/06/28 03:13:27 oster Exp $ */ 2 3 /* 4 * Copyright (c) 2017 Matthew R. Green 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 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/types.h> 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/module.h> 33 34 #include <sys/compat_stub.h> 35 36 #include <dev/raidframe/raidframeio.h> 37 #include <dev/raidframe/raidframevar.h> 38 39 #include "rf_raid.h" 40 #include "rf_compat80.h" 41 #include "rf_kintf.h" 42 43 /* NetBSD 8.99.x removed the row, raidPtr and next members */ 44 struct rf_recon_req80 { 45 RF_RowCol_t row, col; 46 RF_ReconReqFlags_t flags; 47 void *raidPtr; /* used internally; need not be set at ioctl 48 * time */ 49 struct rf_recon_req *next; /* used internally; need not be set at 50 * ioctl time */ 51 }; 52 53 /* NetBSD 8.99.x made this structure alignment neutral */ 54 typedef struct RF_RaidDisk_s80 { 55 char devname[56]; /* name of device file */ 56 RF_DiskStatus_t status; /* whether it is up or down */ 57 RF_RowCol_t spareRow; /* if in status "spared", this identifies the 58 * spare disk */ 59 RF_RowCol_t spareCol; /* if in status "spared", this identifies the 60 * spare disk */ 61 RF_SectorCount_t numBlocks; /* number of blocks, obtained via READ 62 * CAPACITY */ 63 int blockSize; 64 RF_SectorCount_t partitionSize; /* The *actual* and *full* size of 65 the partition, from the disklabel */ 66 int auto_configured;/* 1 if this component was autoconfigured. 67 0 otherwise. */ 68 dev_t dev; 69 } RF_RaidDisk_t80; 70 71 typedef struct RF_DeviceConfig_s80 { 72 u_int rows; 73 u_int cols; 74 u_int maxqdepth; 75 int ndevs; 76 RF_RaidDisk_t80 devs[RF_MAX_DISKS]; 77 int nspares; 78 RF_RaidDisk_t80 spares[RF_MAX_DISKS]; 79 } RF_DeviceConfig_t80; 80 81 typedef struct RF_Config_s80 { 82 RF_RowCol_t numRow, numCol, numSpare; /* number of rows, columns, 83 * and spare disks */ 84 dev_t devs[RF_MAXROW][RF_MAXCOL]; /* device numbers for disks 85 * comprising array */ 86 char devnames[RF_MAXROW][RF_MAXCOL][50]; /* device names */ 87 dev_t spare_devs[RF_MAXSPARE]; /* device numbers for spare 88 * disks */ 89 char spare_names[RF_MAXSPARE][50]; /* device names */ 90 RF_SectorNum_t sectPerSU; /* sectors per stripe unit */ 91 RF_StripeNum_t SUsPerPU;/* stripe units per parity unit */ 92 RF_StripeNum_t SUsPerRU;/* stripe units per reconstruction unit */ 93 RF_ParityConfig_t parityConfig; /* identifies the RAID architecture to 94 * be used */ 95 RF_DiskQueueType_t diskQueueType; /* 'f' = fifo, 'c' = cvscan, 96 * not used in kernel */ 97 char maxOutstandingDiskReqs; /* # concurrent reqs to be sent to a 98 * disk. not used in kernel. */ 99 char debugVars[RF_MAXDBGV][50]; /* space for specifying debug 100 * variables & their values */ 101 unsigned int layoutSpecificSize; /* size in bytes of 102 * layout-specific info */ 103 void *layoutSpecific; /* a pointer to a layout-specific structure to 104 * be copied in */ 105 int force; /* if !0, ignore many fatal 106 configuration conditions */ 107 /* 108 "force" is used to override cases where the component labels would 109 indicate that configuration should not proceed without user 110 intervention 111 */ 112 } RF_Config_t80; 113 114 static int 115 rf_check_recon_status_ext80(RF_Raid_t *raidPtr, void *data) 116 { 117 RF_ProgressInfo_t info, **infoPtr = data; 118 119 rf_check_recon_status_ext(raidPtr, &info); 120 return copyout(&info, *infoPtr, sizeof(info)); 121 } 122 123 static int 124 rf_check_parityrewrite_status_ext80(RF_Raid_t *raidPtr, void *data) 125 { 126 RF_ProgressInfo_t info, **infoPtr = data; 127 128 rf_check_parityrewrite_status_ext(raidPtr, &info); 129 return copyout(&info, *infoPtr, sizeof(info)); 130 } 131 132 static int 133 rf_check_copyback_status_ext80(RF_Raid_t *raidPtr, void *data) 134 { 135 RF_ProgressInfo_t info, **infoPtr = data; 136 137 rf_check_copyback_status_ext(raidPtr, &info); 138 return copyout(&info, *infoPtr, sizeof(info)); 139 } 140 141 static void 142 rf_copy_raiddisk80(RF_RaidDisk_t *disk, RF_RaidDisk_t80 *disk80) 143 { 144 145 /* Be sure the padding areas don't have kernel memory. */ 146 memset(disk80, 0, sizeof(*disk80)); 147 memcpy(disk80->devname, disk->devname, sizeof(disk80->devname)); 148 disk80->status = disk->status; 149 disk80->spareRow = 0; 150 disk80->spareCol = disk->spareCol; 151 disk80->numBlocks = disk->numBlocks; 152 disk80->blockSize = disk->blockSize; 153 disk80->partitionSize = disk->partitionSize; 154 disk80->auto_configured = disk->auto_configured; 155 disk80->dev = disk->dev; 156 } 157 158 static int 159 rf_get_info80(RF_Raid_t *raidPtr, void *data) 160 { 161 RF_DeviceConfig_t *config; 162 RF_DeviceConfig_t80 *config80, **configPtr80 = data; 163 int rv; 164 165 config = RF_Malloc(sizeof(*config)); 166 if (config == NULL) 167 return ENOMEM; 168 config80 = RF_Malloc(sizeof(*config80)); 169 if (config80 == NULL) { 170 RF_Free(config, sizeof(*config)); 171 return ENOMEM; 172 } 173 rv = rf_get_info(raidPtr, config); 174 if (rv == 0) { 175 /* convert new to old */ 176 config80->rows = 1; 177 config80->cols = config->cols; 178 config80->maxqdepth = config->maxqdepth; 179 config80->ndevs = config->ndevs; 180 config80->nspares = config->nspares; 181 for (size_t i = 0; i < RF_MAX_DISKS; i++) { 182 rf_copy_raiddisk80(&config->devs[i], 183 &config80->devs[i]); 184 rf_copy_raiddisk80(&config->spares[i], 185 &config80->spares[i]); 186 } 187 rv = copyout(config80, *configPtr80, sizeof(*config80)); 188 } 189 RF_Free(config, sizeof(*config)); 190 RF_Free(config80, sizeof(*config80)); 191 192 return rv; 193 } 194 195 static int 196 rf_get_component_label80(RF_Raid_t *raidPtr, void *data) 197 { 198 RF_ComponentLabel_t **clabel_ptr = (RF_ComponentLabel_t **)data; 199 RF_ComponentLabel_t *clabel; 200 int retcode; 201 202 /* 203 * Perhaps there should be an option to skip the in-core 204 * copy and hit the disk, as with disklabel(8). 205 */ 206 clabel = RF_Malloc(sizeof(*clabel)); 207 if (clabel == NULL) 208 return ENOMEM; 209 retcode = copyin(*clabel_ptr, clabel, sizeof(*clabel)); 210 if (retcode) { 211 RF_Free(clabel, sizeof(*clabel)); 212 return retcode; 213 } 214 215 rf_get_component_label(raidPtr, clabel); 216 /* Fix-up for userland. */ 217 if (clabel->version == bswap32(RF_COMPONENT_LABEL_VERSION)) 218 clabel->version = RF_COMPONENT_LABEL_VERSION; 219 220 retcode = copyout(clabel, *clabel_ptr, sizeof(**clabel_ptr)); 221 RF_Free(clabel, sizeof(*clabel)); 222 223 return retcode; 224 } 225 226 static int 227 rf_config80(struct raid_softc *rs, void *data) 228 { 229 RF_Config_t80 *u80_cfg, *k80_cfg; 230 RF_Config_t *k_cfg; 231 RF_Raid_t *raidPtr = rf_get_raid(rs); 232 size_t i, j; 233 int error; 234 235 if (raidPtr->valid) { 236 /* There is a valid RAID set running on this unit! */ 237 printf("raid%d: Device already configured!\n", rf_get_unit(rs)); 238 return EINVAL; 239 } 240 241 /* copy-in the configuration information */ 242 /* data points to a pointer to the configuration structure */ 243 244 u80_cfg = *((RF_Config_t80 **) data); 245 k80_cfg = RF_Malloc(sizeof(*k80_cfg)); 246 if (k80_cfg == NULL) 247 return ENOMEM; 248 249 error = copyin(u80_cfg, k80_cfg, sizeof(*k80_cfg)); 250 if (error) { 251 RF_Free(k80_cfg, sizeof(*k80_cfg)); 252 return error; 253 } 254 k_cfg = RF_Malloc(sizeof(*k_cfg)); 255 if (k_cfg == NULL) { 256 RF_Free(k80_cfg, sizeof(*k80_cfg)); 257 return ENOMEM; 258 } 259 260 k_cfg->numCol = k80_cfg->numCol; 261 k_cfg->numSpare = k80_cfg->numSpare; 262 263 for (i = 0; i < RF_MAXROW; i++) 264 for (j = 0; j < RF_MAXCOL; j++) 265 k_cfg->devs[i][j] = k80_cfg->devs[i][j]; 266 267 memcpy(k_cfg->devnames, k80_cfg->devnames, 268 sizeof(k_cfg->devnames)); 269 270 for (i = 0; i < RF_MAXSPARE; i++) 271 k_cfg->spare_devs[i] = k80_cfg->spare_devs[i]; 272 273 memcpy(k_cfg->spare_names, k80_cfg->spare_names, 274 sizeof(k_cfg->spare_names)); 275 276 k_cfg->sectPerSU = k80_cfg->sectPerSU; 277 k_cfg->SUsPerPU = k80_cfg->SUsPerPU; 278 k_cfg->SUsPerRU = k80_cfg->SUsPerRU; 279 k_cfg->parityConfig = k80_cfg->parityConfig; 280 281 memcpy(k_cfg->diskQueueType, k80_cfg->diskQueueType, 282 sizeof(k_cfg->diskQueueType)); 283 284 k_cfg->maxOutstandingDiskReqs = k80_cfg->maxOutstandingDiskReqs; 285 286 memcpy(k_cfg->debugVars, k80_cfg->debugVars, 287 sizeof(k_cfg->debugVars)); 288 289 k_cfg->layoutSpecificSize = k80_cfg->layoutSpecificSize; 290 k_cfg->layoutSpecific = k80_cfg->layoutSpecific; 291 k_cfg->force = k80_cfg->force; 292 293 RF_Free(k80_cfg, sizeof(*k80_cfg)); 294 return rf_construct(rs, k_cfg); 295 } 296 297 static int 298 rf_fail_disk80(RF_Raid_t *raidPtr, struct rf_recon_req80 *req80) 299 { 300 struct rf_recon_req req = { 301 .col = req80->col, 302 .flags = req80->flags, 303 }; 304 return rf_fail_disk(raidPtr, &req); 305 } 306 307 static int 308 raidframe_ioctl_80(struct raid_softc *rs, u_long cmd, void *data) 309 { 310 RF_Raid_t *raidPtr = rf_get_raid(rs); 311 312 switch (cmd) { 313 case RAIDFRAME_CHECK_RECON_STATUS_EXT80: 314 case RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT80: 315 case RAIDFRAME_CHECK_COPYBACK_STATUS_EXT80: 316 case RAIDFRAME_GET_INFO80: 317 case RAIDFRAME_GET_COMPONENT_LABEL80: 318 case RAIDFRAME_FAIL_DISK80: 319 if (!rf_inited(rs)) 320 return ENXIO; 321 break; 322 case RAIDFRAME_CONFIGURE80: 323 break; 324 default: 325 return EPASSTHROUGH; 326 } 327 328 switch (cmd) { 329 case RAIDFRAME_CHECK_RECON_STATUS_EXT80: 330 return rf_check_recon_status_ext80(raidPtr, data); 331 case RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT80: 332 return rf_check_parityrewrite_status_ext80(raidPtr, data); 333 case RAIDFRAME_CHECK_COPYBACK_STATUS_EXT80: 334 return rf_check_copyback_status_ext80(raidPtr, data); 335 case RAIDFRAME_GET_INFO80: 336 return rf_get_info80(raidPtr, data); 337 case RAIDFRAME_GET_COMPONENT_LABEL80: 338 return rf_get_component_label80(raidPtr, data); 339 case RAIDFRAME_CONFIGURE80: 340 return rf_config80(rs, data); 341 case RAIDFRAME_FAIL_DISK80: 342 return rf_fail_disk80(raidPtr, data); 343 default: 344 /* abort really */ 345 return EPASSTHROUGH; 346 } 347 } 348 349 static void 350 raidframe_80_init(void) 351 { 352 353 MODULE_HOOK_SET(raidframe_ioctl_80_hook, raidframe_ioctl_80); 354 } 355 356 static void 357 raidframe_80_fini(void) 358 { 359 360 MODULE_HOOK_UNSET(raidframe_ioctl_80_hook); 361 } 362 363 MODULE(MODULE_CLASS_EXEC, compat_raid_80, "raid,compat_80"); 364 365 static int 366 compat_raid_80_modcmd(modcmd_t cmd, void *arg) 367 { 368 369 switch (cmd) { 370 case MODULE_CMD_INIT: 371 raidframe_80_init(); 372 return 0; 373 case MODULE_CMD_FINI: 374 raidframe_80_fini(); 375 return 0; 376 default: 377 return ENOTTY; 378 } 379 } 380
Indexes created Sun Sep 21 20:09:37 GMT 2025