Blame view
block/sed-opal.c
58.8 KB
455a7b238 block: Add Sed-op... |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 |
/* * Copyright © 2016 Intel Corporation * * Authors: * Scott Bauer <scott.bauer@intel.com> * Rafael Antognolli <rafael.antognolli@intel.com> * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. */ #define pr_fmt(fmt) KBUILD_MODNAME ":OPAL: " fmt #include <linux/delay.h> #include <linux/device.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/genhd.h> #include <linux/slab.h> #include <linux/uaccess.h> #include <uapi/linux/sed-opal.h> #include <linux/sed-opal.h> #include <linux/string.h> #include <linux/kdev_t.h> #include "opal_proto.h" |
4f1244c82 block/sed-opal: a... |
33 34 |
#define IO_BUFFER_LENGTH 2048 #define MAX_TOKS 64 |
eed64951f block/sed: Embed ... |
35 36 37 38 39 |
struct opal_step { int (*fn)(struct opal_dev *dev, void *data); void *data; }; typedef int (cont_fn)(struct opal_dev *dev); |
4f1244c82 block/sed-opal: a... |
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 |
enum opal_atom_width { OPAL_WIDTH_TINY, OPAL_WIDTH_SHORT, OPAL_WIDTH_MEDIUM, OPAL_WIDTH_LONG, OPAL_WIDTH_TOKEN }; /* * On the parsed response, we don't store again the toks that are already * stored in the response buffer. Instead, for each token, we just store a * pointer to the position in the buffer where the token starts, and the size * of the token in bytes. */ struct opal_resp_tok { const u8 *pos; size_t len; enum opal_response_token type; enum opal_atom_width width; union { u64 u; s64 s; } stored; }; /* * From the response header it's not possible to know how many tokens there are * on the payload. So we hardcode that the maximum will be MAX_TOKS, and later * if we start dealing with messages that have more than that, we can increase * this number. This is done to avoid having to make two passes through the * response, the first one counting how many tokens we have and the second one * actually storing the positions. */ struct parsed_resp { int num; struct opal_resp_tok toks[MAX_TOKS]; }; struct opal_dev { bool supported; |
dbec491b1 block: sed-opal: ... |
81 |
bool mbr_enabled; |
4f1244c82 block/sed-opal: a... |
82 83 84 |
void *data; sec_send_recv *send_recv; |
eed64951f block/sed: Embed ... |
85 |
const struct opal_step *steps; |
4f1244c82 block/sed-opal: a... |
86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 |
struct mutex dev_lock; u16 comid; u32 hsn; u32 tsn; u64 align; u64 lowest_lba; size_t pos; u8 cmd[IO_BUFFER_LENGTH]; u8 resp[IO_BUFFER_LENGTH]; struct parsed_resp parsed; size_t prev_d_len; void *prev_data; struct list_head unlk_lst; }; |
455a7b238 block: Add Sed-op... |
103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 |
static const u8 opaluid[][OPAL_UID_LENGTH] = { /* users */ [OPAL_SMUID_UID] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff }, [OPAL_THISSP_UID] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, [OPAL_ADMINSP_UID] = { 0x00, 0x00, 0x02, 0x05, 0x00, 0x00, 0x00, 0x01 }, [OPAL_LOCKINGSP_UID] = { 0x00, 0x00, 0x02, 0x05, 0x00, 0x00, 0x00, 0x02 }, [OPAL_ENTERPRISE_LOCKINGSP_UID] = { 0x00, 0x00, 0x02, 0x05, 0x00, 0x01, 0x00, 0x01 }, [OPAL_ANYBODY_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x01 }, [OPAL_SID_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x06 }, [OPAL_ADMIN1_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x01, 0x00, 0x01 }, [OPAL_USER1_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x03, 0x00, 0x01 }, [OPAL_USER2_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x03, 0x00, 0x02 }, [OPAL_PSID_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x01, 0xff, 0x01 }, [OPAL_ENTERPRISE_BANDMASTER0_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x80, 0x01 }, [OPAL_ENTERPRISE_ERASEMASTER_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x84, 0x01 }, /* tables */ [OPAL_LOCKINGRANGE_GLOBAL] = { 0x00, 0x00, 0x08, 0x02, 0x00, 0x00, 0x00, 0x01 }, [OPAL_LOCKINGRANGE_ACE_RDLOCKED] = { 0x00, 0x00, 0x00, 0x08, 0x00, 0x03, 0xE0, 0x01 }, [OPAL_LOCKINGRANGE_ACE_WRLOCKED] = { 0x00, 0x00, 0x00, 0x08, 0x00, 0x03, 0xE8, 0x01 }, [OPAL_MBRCONTROL] = { 0x00, 0x00, 0x08, 0x03, 0x00, 0x00, 0x00, 0x01 }, [OPAL_MBR] = { 0x00, 0x00, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00 }, [OPAL_AUTHORITY_TABLE] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00}, [OPAL_C_PIN_TABLE] = { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x00}, [OPAL_LOCKING_INFO_TABLE] = { 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x00, 0x01 }, [OPAL_ENTERPRISE_LOCKING_INFO_TABLE] = { 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00 }, /* C_PIN_TABLE object ID's */ [OPAL_C_PIN_MSID] = { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x84, 0x02}, [OPAL_C_PIN_SID] = { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x01}, [OPAL_C_PIN_ADMIN1] = { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x01, 0x00, 0x01}, /* half UID's (only first 4 bytes used) */ [OPAL_HALF_UID_AUTHORITY_OBJ_REF] = { 0x00, 0x00, 0x0C, 0x05, 0xff, 0xff, 0xff, 0xff }, [OPAL_HALF_UID_BOOLEAN_ACE] = { 0x00, 0x00, 0x04, 0x0E, 0xff, 0xff, 0xff, 0xff }, /* special value for omitted optional parameter */ [OPAL_UID_HEXFF] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, }; /* * TCG Storage SSC Methods. * Derived from: TCG_Storage_Architecture_Core_Spec_v2.01_r1.00 * Section: 6.3 Assigned UIDs */ static const u8 opalmethod[][OPAL_UID_LENGTH] = { [OPAL_PROPERTIES] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x01 }, [OPAL_STARTSESSION] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x02 }, [OPAL_REVERT] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x02, 0x02 }, [OPAL_ACTIVATE] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x02, 0x03 }, [OPAL_EGET] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x06 }, [OPAL_ESET] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x07 }, [OPAL_NEXT] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x08 }, [OPAL_EAUTHENTICATE] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0c }, [OPAL_GETACL] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0d }, [OPAL_GENKEY] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x10 }, [OPAL_REVERTSP] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x11 }, [OPAL_GET] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x16 }, [OPAL_SET] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x17 }, [OPAL_AUTHENTICATE] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x1c }, [OPAL_RANDOM] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x01 }, [OPAL_ERASE] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x08, 0x03 }, }; |
455a7b238 block: Add Sed-op... |
213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 |
static int end_opal_session_error(struct opal_dev *dev); struct opal_suspend_data { struct opal_lock_unlock unlk; u8 lr; struct list_head node; }; /* * Derived from: * TCG_Storage_Architecture_Core_Spec_v2.01_r1.00 * Section: 5.1.5 Method Status Codes */ static const char * const opal_errors[] = { "Success", "Not Authorized", "Unknown Error", "SP Busy", "SP Failed", "SP Disabled", "SP Frozen", "No Sessions Available", "Uniqueness Conflict", "Insufficient Space", "Insufficient Rows", "Invalid Function", "Invalid Parameter", "Invalid Reference", "Unknown Error", "TPER Malfunction", "Transaction Failure", "Response Overflow", "Authority Locked Out", }; static const char *opal_error_to_human(int error) { if (error == 0x3f) return "Failed"; if (error >= ARRAY_SIZE(opal_errors) || error < 0) return "Unknown Error"; return opal_errors[error]; } static void print_buffer(const u8 *ptr, u32 length) { #ifdef DEBUG print_hex_dump_bytes("OPAL: ", DUMP_PREFIX_OFFSET, ptr, length); pr_debug(" "); #endif } static bool check_tper(const void *data) { const struct d0_tper_features *tper = data; u8 flags = tper->supported_features; if (!(flags & TPER_SYNC_SUPPORTED)) { |
591c59d18 block: sed-opal: ... |
274 275 276 |
pr_debug("TPer sync not supported. flags = %d ", tper->supported_features); |
455a7b238 block: Add Sed-op... |
277 278 279 280 281 |
return false; } return true; } |
dbec491b1 block: sed-opal: ... |
282 283 284 285 286 287 288 |
static bool check_mbrenabled(const void *data) { const struct d0_locking_features *lfeat = data; u8 sup_feat = lfeat->supported_features; return !!(sup_feat & MBR_ENABLED_MASK); } |
455a7b238 block: Add Sed-op... |
289 290 291 292 293 294 |
static bool check_sum(const void *data) { const struct d0_single_user_mode *sum = data; u32 nlo = be32_to_cpu(sum->num_locking_objects); if (nlo == 0) { |
591c59d18 block: sed-opal: ... |
295 296 |
pr_debug("Need at least one locking object. "); |
455a7b238 block: Add Sed-op... |
297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 |
return false; } pr_debug("Number of locking objects: %d ", nlo); return true; } static u16 get_comid_v100(const void *data) { const struct d0_opal_v100 *v100 = data; return be16_to_cpu(v100->baseComID); } static u16 get_comid_v200(const void *data) { const struct d0_opal_v200 *v200 = data; return be16_to_cpu(v200->baseComID); } static int opal_send_cmd(struct opal_dev *dev) { |
4f1244c82 block/sed-opal: a... |
322 |
return dev->send_recv(dev->data, dev->comid, TCG_SECP_01, |
455a7b238 block: Add Sed-op... |
323 324 325 326 327 328 |
dev->cmd, IO_BUFFER_LENGTH, true); } static int opal_recv_cmd(struct opal_dev *dev) { |
4f1244c82 block/sed-opal: a... |
329 |
return dev->send_recv(dev->data, dev->comid, TCG_SECP_01, |
455a7b238 block: Add Sed-op... |
330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 |
dev->resp, IO_BUFFER_LENGTH, false); } static int opal_recv_check(struct opal_dev *dev) { size_t buflen = IO_BUFFER_LENGTH; void *buffer = dev->resp; struct opal_header *hdr = buffer; int ret; do { pr_debug("Sent OPAL command: outstanding=%d, minTransfer=%d ", hdr->cp.outstandingData, hdr->cp.minTransfer); if (hdr->cp.outstandingData == 0 || hdr->cp.minTransfer != 0) return 0; memset(buffer, 0, buflen); ret = opal_recv_cmd(dev); } while (!ret); return ret; } static int opal_send_recv(struct opal_dev *dev, cont_fn *cont) { int ret; ret = opal_send_cmd(dev); if (ret) return ret; ret = opal_recv_cmd(dev); if (ret) return ret; ret = opal_recv_check(dev); if (ret) return ret; return cont(dev); } static void check_geometry(struct opal_dev *dev, const void *data) { const struct d0_geometry_features *geo = data; dev->align = geo->alignment_granularity; dev->lowest_lba = geo->lowest_aligned_lba; } static int next(struct opal_dev *dev) { |
eed64951f block/sed: Embed ... |
384 385 |
const struct opal_step *step; int state = 0, error = 0; |
455a7b238 block: Add Sed-op... |
386 387 |
do { |
eed64951f block/sed: Embed ... |
388 389 |
step = &dev->steps[state]; if (!step->fn) |
455a7b238 block: Add Sed-op... |
390 |
break; |
eed64951f block/sed: Embed ... |
391 |
error = step->fn(dev, step->data); |
455a7b238 block: Add Sed-op... |
392 |
if (error) { |
591c59d18 block: sed-opal: ... |
393 394 395 396 |
pr_debug("Error on step function: %d with error %d: %s ", state, error, opal_error_to_human(error)); |
455a7b238 block: Add Sed-op... |
397 398 399 400 401 402 403 404 |
/* For each OPAL command we do a discovery0 then we * start some sort of session. * If we haven't passed state 1 then there was an error * on discovery0 or during the attempt to start a * session. Therefore we shouldn't attempt to terminate * a session, as one has not yet been created. */ |
2d19020b0 block/sed-opal: P... |
405 406 407 408 |
if (state > 1) { end_opal_session_error(dev); return error; } |
455a7b238 block: Add Sed-op... |
409 |
} |
eed64951f block/sed: Embed ... |
410 |
state++; |
455a7b238 block: Add Sed-op... |
411 412 413 414 415 416 417 418 419 420 421 |
} while (!error); return error; } static int opal_discovery0_end(struct opal_dev *dev) { bool found_com_id = false, supported = true, single_user = false; const struct d0_header *hdr = (struct d0_header *)dev->resp; const u8 *epos = dev->resp, *cpos = dev->resp; u16 comid = 0; |
77039b963 block/sed: Check ... |
422 |
u32 hlen = be32_to_cpu(hdr->length); |
455a7b238 block: Add Sed-op... |
423 |
|
77039b963 block/sed: Check ... |
424 |
print_buffer(dev->resp, hlen); |
dbec491b1 block: sed-opal: ... |
425 |
dev->mbr_enabled = false; |
455a7b238 block: Add Sed-op... |
426 |
|
77039b963 block/sed: Check ... |
427 |
if (hlen > IO_BUFFER_LENGTH - sizeof(*hdr)) { |
591c59d18 block: sed-opal: ... |
428 429 430 |
pr_debug("Discovery length overflows buffer (%zu+%u)/%u ", sizeof(*hdr), hlen, IO_BUFFER_LENGTH); |
77039b963 block/sed: Check ... |
431 432 433 434 |
return -EFAULT; } epos += hlen; /* end of buffer */ |
455a7b238 block: Add Sed-op... |
435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 |
cpos += sizeof(*hdr); /* current position on buffer */ while (cpos < epos && supported) { const struct d0_features *body = (const struct d0_features *)cpos; switch (be16_to_cpu(body->code)) { case FC_TPER: supported = check_tper(body->features); break; case FC_SINGLEUSER: single_user = check_sum(body->features); break; case FC_GEOMETRY: check_geometry(dev, body); break; case FC_LOCKING: |
dbec491b1 block: sed-opal: ... |
452 453 |
dev->mbr_enabled = check_mbrenabled(body->features); break; |
455a7b238 block: Add Sed-op... |
454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 |
case FC_ENTERPRISE: case FC_DATASTORE: /* some ignored properties */ pr_debug("Found OPAL feature description: %d ", be16_to_cpu(body->code)); break; case FC_OPALV100: comid = get_comid_v100(body->features); found_com_id = true; break; case FC_OPALV200: comid = get_comid_v200(body->features); found_com_id = true; break; case 0xbfff ... 0xffff: /* vendor specific, just ignore */ break; default: pr_debug("OPAL Unknown feature: %d ", be16_to_cpu(body->code)); } cpos += body->length + 4; } if (!supported) { |
f5b37b7c2 block/sed-opal: t... |
482 483 |
pr_debug("This device is not Opal enabled. Not Supported! "); |
455a7b238 block: Add Sed-op... |
484 485 486 487 |
return -EOPNOTSUPP; } if (!single_user) |
f5b37b7c2 block/sed-opal: t... |
488 489 |
pr_debug("Device doesn't support single user mode "); |
455a7b238 block: Add Sed-op... |
490 491 492 |
if (!found_com_id) { |
f5b37b7c2 block/sed-opal: t... |
493 494 |
pr_debug("Could not find OPAL comid for device. Returning early "); |
ed7158bae treewide/trivial:... |
495 |
return -EOPNOTSUPP; |
455a7b238 block: Add Sed-op... |
496 497 498 499 500 501 |
} dev->comid = comid; return 0; } |
eed64951f block/sed: Embed ... |
502 |
static int opal_discovery0(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 |
{ int ret; memset(dev->resp, 0, IO_BUFFER_LENGTH); dev->comid = OPAL_DISCOVERY_COMID; ret = opal_recv_cmd(dev); if (ret) return ret; return opal_discovery0_end(dev); } static void add_token_u8(int *err, struct opal_dev *cmd, u8 tok) { if (*err) return; if (cmd->pos >= IO_BUFFER_LENGTH - 1) { |
591c59d18 block: sed-opal: ... |
519 520 |
pr_debug("Error adding u8: end of buffer. "); |
455a7b238 block: Add Sed-op... |
521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 |
*err = -ERANGE; return; } cmd->cmd[cmd->pos++] = tok; } static void add_short_atom_header(struct opal_dev *cmd, bool bytestring, bool has_sign, int len) { u8 atom; int err = 0; atom = SHORT_ATOM_ID; atom |= bytestring ? SHORT_ATOM_BYTESTRING : 0; atom |= has_sign ? SHORT_ATOM_SIGNED : 0; atom |= len & SHORT_ATOM_LEN_MASK; add_token_u8(&err, cmd, atom); } static void add_medium_atom_header(struct opal_dev *cmd, bool bytestring, bool has_sign, int len) { u8 header0; header0 = MEDIUM_ATOM_ID; header0 |= bytestring ? MEDIUM_ATOM_BYTESTRING : 0; header0 |= has_sign ? MEDIUM_ATOM_SIGNED : 0; header0 |= (len >> 8) & MEDIUM_ATOM_LEN_MASK; cmd->cmd[cmd->pos++] = header0; cmd->cmd[cmd->pos++] = len; } static void add_token_u64(int *err, struct opal_dev *cmd, u64 number) { size_t len; int msb; |
455a7b238 block: Add Sed-op... |
559 560 561 562 563 |
if (!(number & ~TINY_ATOM_DATA_MASK)) { add_token_u8(err, cmd, number); return; } |
5f990d316 block: sed-opal: ... |
564 565 |
msb = fls64(number); len = DIV_ROUND_UP(msb, 8); |
455a7b238 block: Add Sed-op... |
566 567 |
if (cmd->pos >= IO_BUFFER_LENGTH - len - 1) { |
591c59d18 block: sed-opal: ... |
568 569 |
pr_debug("Error adding u64: end of buffer. "); |
455a7b238 block: Add Sed-op... |
570 571 572 573 |
*err = -ERANGE; return; } add_short_atom_header(cmd, false, false, len); |
5f990d316 block: sed-opal: ... |
574 575 |
while (len--) add_token_u8(err, cmd, number >> (len * 8)); |
455a7b238 block: Add Sed-op... |
576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 |
} static void add_token_bytestring(int *err, struct opal_dev *cmd, const u8 *bytestring, size_t len) { size_t header_len = 1; bool is_short_atom = true; if (*err) return; if (len & ~SHORT_ATOM_LEN_MASK) { header_len = 2; is_short_atom = false; } if (len >= IO_BUFFER_LENGTH - cmd->pos - header_len) { |
591c59d18 block: sed-opal: ... |
593 594 |
pr_debug("Error adding bytestring: end of buffer. "); |
455a7b238 block: Add Sed-op... |
595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 |
*err = -ERANGE; return; } if (is_short_atom) add_short_atom_header(cmd, true, false, len); else add_medium_atom_header(cmd, true, false, len); memcpy(&cmd->cmd[cmd->pos], bytestring, len); cmd->pos += len; } static int build_locking_range(u8 *buffer, size_t length, u8 lr) { if (length > OPAL_UID_LENGTH) { |
591c59d18 block: sed-opal: ... |
612 613 |
pr_debug("Can't build locking range. Length OOB "); |
455a7b238 block: Add Sed-op... |
614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 |
return -ERANGE; } memcpy(buffer, opaluid[OPAL_LOCKINGRANGE_GLOBAL], OPAL_UID_LENGTH); if (lr == 0) return 0; buffer[5] = LOCKING_RANGE_NON_GLOBAL; buffer[7] = lr; return 0; } static int build_locking_user(u8 *buffer, size_t length, u8 lr) { if (length > OPAL_UID_LENGTH) { |
591c59d18 block: sed-opal: ... |
630 631 |
pr_debug("Can't build locking range user, Length OOB "); |
455a7b238 block: Add Sed-op... |
632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 |
return -ERANGE; } memcpy(buffer, opaluid[OPAL_USER1_UID], OPAL_UID_LENGTH); buffer[7] = lr + 1; return 0; } static void set_comid(struct opal_dev *cmd, u16 comid) { struct opal_header *hdr = (struct opal_header *)cmd->cmd; hdr->cp.extendedComID[0] = comid >> 8; hdr->cp.extendedComID[1] = comid; hdr->cp.extendedComID[2] = 0; hdr->cp.extendedComID[3] = 0; } static int cmd_finalize(struct opal_dev *cmd, u32 hsn, u32 tsn) { struct opal_header *hdr; int err = 0; add_token_u8(&err, cmd, OPAL_ENDOFDATA); add_token_u8(&err, cmd, OPAL_STARTLIST); add_token_u8(&err, cmd, 0); add_token_u8(&err, cmd, 0); add_token_u8(&err, cmd, 0); add_token_u8(&err, cmd, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
665 666 |
pr_debug("Error finalizing command. "); |
455a7b238 block: Add Sed-op... |
667 668 669 670 671 672 673 674 675 676 677 |
return -EFAULT; } hdr = (struct opal_header *) cmd->cmd; hdr->pkt.tsn = cpu_to_be32(tsn); hdr->pkt.hsn = cpu_to_be32(hsn); hdr->subpkt.length = cpu_to_be32(cmd->pos - sizeof(*hdr)); while (cmd->pos % 4) { if (cmd->pos >= IO_BUFFER_LENGTH) { |
591c59d18 block: sed-opal: ... |
678 679 |
pr_debug("Error: Buffer overrun "); |
455a7b238 block: Add Sed-op... |
680 681 682 683 684 685 686 687 688 689 |
return -ERANGE; } cmd->cmd[cmd->pos++] = 0; } hdr->pkt.length = cpu_to_be32(cmd->pos - sizeof(hdr->cp) - sizeof(hdr->pkt)); hdr->cp.length = cpu_to_be32(cmd->pos - sizeof(hdr->cp)); return 0; } |
cccb92417 block/sed: Add he... |
690 691 692 |
static const struct opal_resp_tok *response_get_token( const struct parsed_resp *resp, int n) |
455a7b238 block: Add Sed-op... |
693 694 695 696 |
{ const struct opal_resp_tok *tok; if (n >= resp->num) { |
591c59d18 block: sed-opal: ... |
697 698 699 |
pr_debug("Token number doesn't exist: %d, resp: %d ", n, resp->num); |
cccb92417 block/sed: Add he... |
700 |
return ERR_PTR(-EINVAL); |
455a7b238 block: Add Sed-op... |
701 702 703 704 |
} tok = &resp->toks[n]; if (tok->len == 0) { |
591c59d18 block: sed-opal: ... |
705 706 |
pr_debug("Token length must be non-zero "); |
cccb92417 block/sed: Add he... |
707 |
return ERR_PTR(-EINVAL); |
455a7b238 block: Add Sed-op... |
708 |
} |
cccb92417 block/sed: Add he... |
709 |
return tok; |
455a7b238 block: Add Sed-op... |
710 |
} |
aedb6e241 block/sed: Use ss... |
711 712 |
static ssize_t response_parse_tiny(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
713 714 715 716 717 718 719 720 721 722 723 724 725 726 |
{ tok->pos = pos; tok->len = 1; tok->width = OPAL_WIDTH_TINY; if (pos[0] & TINY_ATOM_SIGNED) { tok->type = OPAL_DTA_TOKENID_SINT; } else { tok->type = OPAL_DTA_TOKENID_UINT; tok->stored.u = pos[0] & 0x3f; } return tok->len; } |
aedb6e241 block/sed: Use ss... |
727 728 |
static ssize_t response_parse_short(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
729 730 731 732 733 734 735 736 737 738 739 |
{ tok->pos = pos; tok->len = (pos[0] & SHORT_ATOM_LEN_MASK) + 1; tok->width = OPAL_WIDTH_SHORT; if (pos[0] & SHORT_ATOM_BYTESTRING) { tok->type = OPAL_DTA_TOKENID_BYTESTRING; } else if (pos[0] & SHORT_ATOM_SIGNED) { tok->type = OPAL_DTA_TOKENID_SINT; } else { u64 u_integer = 0; |
aedb6e241 block/sed: Use ss... |
740 |
ssize_t i, b = 0; |
455a7b238 block: Add Sed-op... |
741 742 743 |
tok->type = OPAL_DTA_TOKENID_UINT; if (tok->len > 9) { |
591c59d18 block: sed-opal: ... |
744 745 |
pr_debug("uint64 with more than 8 bytes "); |
455a7b238 block: Add Sed-op... |
746 747 748 749 750 751 752 753 754 755 756 |
return -EINVAL; } for (i = tok->len - 1; i > 0; i--) { u_integer |= ((u64)pos[i] << (8 * b)); b++; } tok->stored.u = u_integer; } return tok->len; } |
aedb6e241 block/sed: Use ss... |
757 758 |
static ssize_t response_parse_medium(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
759 760 761 762 763 764 765 766 767 768 769 770 771 772 |
{ tok->pos = pos; tok->len = (((pos[0] & MEDIUM_ATOM_LEN_MASK) << 8) | pos[1]) + 2; tok->width = OPAL_WIDTH_MEDIUM; if (pos[0] & MEDIUM_ATOM_BYTESTRING) tok->type = OPAL_DTA_TOKENID_BYTESTRING; else if (pos[0] & MEDIUM_ATOM_SIGNED) tok->type = OPAL_DTA_TOKENID_SINT; else tok->type = OPAL_DTA_TOKENID_UINT; return tok->len; } |
aedb6e241 block/sed: Use ss... |
773 774 |
static ssize_t response_parse_long(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
775 776 777 778 779 780 781 782 783 784 785 786 787 788 |
{ tok->pos = pos; tok->len = ((pos[1] << 16) | (pos[2] << 8) | pos[3]) + 4; tok->width = OPAL_WIDTH_LONG; if (pos[0] & LONG_ATOM_BYTESTRING) tok->type = OPAL_DTA_TOKENID_BYTESTRING; else if (pos[0] & LONG_ATOM_SIGNED) tok->type = OPAL_DTA_TOKENID_SINT; else tok->type = OPAL_DTA_TOKENID_UINT; return tok->len; } |
aedb6e241 block/sed: Use ss... |
789 790 |
static ssize_t response_parse_token(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 |
{ tok->pos = pos; tok->len = 1; tok->type = OPAL_DTA_TOKENID_TOKEN; tok->width = OPAL_WIDTH_TOKEN; return tok->len; } static int response_parse(const u8 *buf, size_t length, struct parsed_resp *resp) { const struct opal_header *hdr; struct opal_resp_tok *iter; int num_entries = 0; int total; |
aedb6e241 block/sed: Use ss... |
807 |
ssize_t token_length; |
455a7b238 block: Add Sed-op... |
808 |
const u8 *pos; |
77039b963 block/sed: Check ... |
809 |
u32 clen, plen, slen; |
455a7b238 block: Add Sed-op... |
810 811 812 813 814 815 816 817 818 819 |
if (!buf) return -EFAULT; if (!resp) return -EFAULT; hdr = (struct opal_header *)buf; pos = buf; pos += sizeof(*hdr); |
77039b963 block/sed: Check ... |
820 821 822 823 824 825 826 827 828 |
clen = be32_to_cpu(hdr->cp.length); plen = be32_to_cpu(hdr->pkt.length); slen = be32_to_cpu(hdr->subpkt.length); pr_debug("Response size: cp: %u, pkt: %u, subpkt: %u ", clen, plen, slen); if (clen == 0 || plen == 0 || slen == 0 || slen > IO_BUFFER_LENGTH - sizeof(*hdr)) { |
591c59d18 block: sed-opal: ... |
829 830 831 |
pr_debug("Bad header length. cp: %u, pkt: %u, subpkt: %u ", clen, plen, slen); |
455a7b238 block: Add Sed-op... |
832 833 834 835 836 837 838 839 |
print_buffer(pos, sizeof(*hdr)); return -EINVAL; } if (pos > buf + length) return -EFAULT; iter = resp->toks; |
77039b963 block/sed: Check ... |
840 |
total = slen; |
455a7b238 block: Add Sed-op... |
841 842 843 844 845 846 847 848 849 850 851 852 |
print_buffer(pos, total); while (total > 0) { if (pos[0] <= TINY_ATOM_BYTE) /* tiny atom */ token_length = response_parse_tiny(iter, pos); else if (pos[0] <= SHORT_ATOM_BYTE) /* short atom */ token_length = response_parse_short(iter, pos); else if (pos[0] <= MEDIUM_ATOM_BYTE) /* medium atom */ token_length = response_parse_medium(iter, pos); else if (pos[0] <= LONG_ATOM_BYTE) /* long atom */ token_length = response_parse_long(iter, pos); else /* TOKEN */ token_length = response_parse_token(iter, pos); |
aedb6e241 block/sed: Use ss... |
853 854 |
if (token_length < 0) return token_length; |
455a7b238 block: Add Sed-op... |
855 856 857 858 859 860 861 862 |
pos += token_length; total -= token_length; iter++; num_entries++; } if (num_entries == 0) { |
591c59d18 block: sed-opal: ... |
863 864 |
pr_debug("Couldn't parse response. "); |
455a7b238 block: Add Sed-op... |
865 866 867 868 869 870 871 872 873 874 |
return -EINVAL; } resp->num = num_entries; return 0; } static size_t response_get_string(const struct parsed_resp *resp, int n, const char **store) { |
d15e1175a block: sed-opal: ... |
875 876 |
u8 skip; const struct opal_resp_tok *token; |
455a7b238 block: Add Sed-op... |
877 878 |
*store = NULL; if (!resp) { |
591c59d18 block: sed-opal: ... |
879 880 |
pr_debug("Response is NULL "); |
455a7b238 block: Add Sed-op... |
881 882 |
return 0; } |
ce042c183 block: sed-opal: ... |
883 |
if (n >= resp->num) { |
591c59d18 block: sed-opal: ... |
884 885 886 |
pr_debug("Response has %d tokens. Can't access %d ", resp->num, n); |
455a7b238 block: Add Sed-op... |
887 888 |
return 0; } |
d15e1175a block: sed-opal: ... |
889 890 |
token = &resp->toks[n]; if (token->type != OPAL_DTA_TOKENID_BYTESTRING) { |
591c59d18 block: sed-opal: ... |
891 892 |
pr_debug("Token is not a byte string! "); |
455a7b238 block: Add Sed-op... |
893 894 |
return 0; } |
d15e1175a block: sed-opal: ... |
895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 |
switch (token->width) { case OPAL_WIDTH_TINY: case OPAL_WIDTH_SHORT: skip = 1; break; case OPAL_WIDTH_MEDIUM: skip = 2; break; case OPAL_WIDTH_LONG: skip = 4; break; default: pr_debug("Token has invalid width! "); return 0; } *store = token->pos + skip; return token->len - skip; |
455a7b238 block: Add Sed-op... |
914 915 916 917 918 |
} static u64 response_get_u64(const struct parsed_resp *resp, int n) { if (!resp) { |
591c59d18 block: sed-opal: ... |
919 920 |
pr_debug("Response is NULL "); |
455a7b238 block: Add Sed-op... |
921 922 |
return 0; } |
ce042c183 block: sed-opal: ... |
923 |
if (n >= resp->num) { |
591c59d18 block: sed-opal: ... |
924 925 926 |
pr_debug("Response has %d tokens. Can't access %d ", resp->num, n); |
455a7b238 block: Add Sed-op... |
927 928 929 930 |
return 0; } if (resp->toks[n].type != OPAL_DTA_TOKENID_UINT) { |
591c59d18 block: sed-opal: ... |
931 932 933 |
pr_debug("Token is not unsigned it: %d ", resp->toks[n].type); |
455a7b238 block: Add Sed-op... |
934 935 936 937 938 |
return 0; } if (!(resp->toks[n].width == OPAL_WIDTH_TINY || resp->toks[n].width == OPAL_WIDTH_SHORT)) { |
591c59d18 block: sed-opal: ... |
939 940 941 |
pr_debug("Atom is not short or tiny: %d ", resp->toks[n].width); |
455a7b238 block: Add Sed-op... |
942 943 944 945 946 |
return 0; } return resp->toks[n].stored.u; } |
cccb92417 block/sed: Add he... |
947 948 949 950 951 952 953 954 |
static bool response_token_matches(const struct opal_resp_tok *token, u8 match) { if (IS_ERR(token) || token->type != OPAL_DTA_TOKENID_TOKEN || token->pos[0] != match) return false; return true; } |
455a7b238 block: Add Sed-op... |
955 956 |
static u8 response_status(const struct parsed_resp *resp) { |
cccb92417 block/sed: Add he... |
957 958 959 960 |
const struct opal_resp_tok *tok; tok = response_get_token(resp, 0); if (response_token_matches(tok, OPAL_ENDOFSESSION)) |
455a7b238 block: Add Sed-op... |
961 |
return 0; |
455a7b238 block: Add Sed-op... |
962 963 964 |
if (resp->num < 5) return DTAERROR_NO_METHOD_STATUS; |
cccb92417 block/sed: Add he... |
965 966 967 968 969 970 |
tok = response_get_token(resp, resp->num - 5); if (!response_token_matches(tok, OPAL_STARTLIST)) return DTAERROR_NO_METHOD_STATUS; tok = response_get_token(resp, resp->num - 1); if (!response_token_matches(tok, OPAL_ENDLIST)) |
455a7b238 block: Add Sed-op... |
971 972 973 974 975 976 977 978 979 980 981 982 983 984 |
return DTAERROR_NO_METHOD_STATUS; return response_get_u64(resp, resp->num - 4); } /* Parses and checks for errors */ static int parse_and_check_status(struct opal_dev *dev) { int error; print_buffer(dev->cmd, dev->pos); error = response_parse(dev->resp, IO_BUFFER_LENGTH, &dev->parsed); if (error) { |
591c59d18 block: sed-opal: ... |
985 986 |
pr_debug("Couldn't parse response. "); |
455a7b238 block: Add Sed-op... |
987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 |
return error; } return response_status(&dev->parsed); } static void clear_opal_cmd(struct opal_dev *dev) { dev->pos = sizeof(struct opal_header); memset(dev->cmd, 0, IO_BUFFER_LENGTH); } static int start_opal_session_cont(struct opal_dev *dev) { u32 hsn, tsn; int error = 0; error = parse_and_check_status(dev); if (error) return error; hsn = response_get_u64(&dev->parsed, 4); tsn = response_get_u64(&dev->parsed, 5); if (hsn == 0 && tsn == 0) { |
591c59d18 block: sed-opal: ... |
1012 1013 |
pr_debug("Couldn't authenticate session "); |
455a7b238 block: Add Sed-op... |
1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 |
return -EPERM; } dev->hsn = hsn; dev->tsn = tsn; return 0; } static void add_suspend_info(struct opal_dev *dev, struct opal_suspend_data *sus) { struct opal_suspend_data *iter; list_for_each_entry(iter, &dev->unlk_lst, node) { if (iter->lr == sus->lr) { list_del(&iter->node); kfree(iter); break; } } list_add_tail(&sus->node, &dev->unlk_lst); } static int end_session_cont(struct opal_dev *dev) { dev->hsn = 0; dev->tsn = 0; return parse_and_check_status(dev); } static int finalize_and_send(struct opal_dev *dev, cont_fn cont) { int ret; ret = cmd_finalize(dev, dev->hsn, dev->tsn); if (ret) { |
591c59d18 block: sed-opal: ... |
1050 1051 |
pr_debug("Error finalizing command buffer: %d ", ret); |
455a7b238 block: Add Sed-op... |
1052 1053 1054 1055 1056 1057 1058 |
return ret; } print_buffer(dev->cmd, dev->pos); return opal_send_recv(dev, cont); } |
eed64951f block/sed: Embed ... |
1059 |
static int gen_key(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1060 |
{ |
455a7b238 block: Add Sed-op... |
1061 1062 1063 1064 1065 1066 1067 |
u8 uid[OPAL_UID_LENGTH]; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); memcpy(uid, dev->prev_data, min(sizeof(uid), dev->prev_d_len)); |
455a7b238 block: Add Sed-op... |
1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 |
kfree(dev->prev_data); dev->prev_data = NULL; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_GENKEY], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1079 1080 |
pr_debug("Error building gen key command "); |
455a7b238 block: Add Sed-op... |
1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 |
return err; } return finalize_and_send(dev, parse_and_check_status); } static int get_active_key_cont(struct opal_dev *dev) { const char *activekey; size_t keylen; int error = 0; error = parse_and_check_status(dev); if (error) return error; keylen = response_get_string(&dev->parsed, 4, &activekey); if (!activekey) { |
591c59d18 block: sed-opal: ... |
1098 1099 1100 |
pr_debug("%s: Couldn't extract the Activekey from the response ", __func__); |
455a7b238 block: Add Sed-op... |
1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 |
return OPAL_INVAL_PARAM; } dev->prev_data = kmemdup(activekey, keylen, GFP_KERNEL); if (!dev->prev_data) return -ENOMEM; dev->prev_d_len = keylen; return 0; } |
eed64951f block/sed: Embed ... |
1112 |
static int get_active_key(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1113 1114 1115 |
{ u8 uid[OPAL_UID_LENGTH]; int err = 0; |
eed64951f block/sed: Embed ... |
1116 |
u8 *lr = data; |
455a7b238 block: Add Sed-op... |
1117 1118 1119 |
clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 |
err = build_locking_range(uid, sizeof(uid), *lr); if (err) return err; err = 0; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* startCloumn */ add_token_u8(&err, dev, 10); /* ActiveKey */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 4); /* endColumn */ add_token_u8(&err, dev, 10); /* ActiveKey */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1142 1143 |
pr_debug("Error building get active key command "); |
455a7b238 block: Add Sed-op... |
1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 |
return err; } return finalize_and_send(dev, get_active_key_cont); } static int generic_lr_enable_disable(struct opal_dev *dev, u8 *uid, bool rle, bool wle, bool rl, bool wl) { int err = 0; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 5); /* ReadLockEnabled */ add_token_u8(&err, dev, rle); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 6); /* WriteLockEnabled */ add_token_u8(&err, dev, wle); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_READLOCKED); add_token_u8(&err, dev, rl); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_WRITELOCKED); add_token_u8(&err, dev, wl); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); return err; } static inline int enable_global_lr(struct opal_dev *dev, u8 *uid, struct opal_user_lr_setup *setup) { int err; err = generic_lr_enable_disable(dev, uid, !!setup->RLE, !!setup->WLE, 0, 0); if (err) |
591c59d18 block: sed-opal: ... |
1199 1200 |
pr_debug("Failed to create enable global lr command "); |
455a7b238 block: Add Sed-op... |
1201 1202 |
return err; } |
eed64951f block/sed: Embed ... |
1203 |
static int setup_locking_range(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1204 1205 |
{ u8 uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1206 |
struct opal_user_lr_setup *setup = data; |
455a7b238 block: Add Sed-op... |
1207 1208 1209 1210 1211 |
u8 lr; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 |
lr = setup->session.opal_key.lr; err = build_locking_range(uid, sizeof(uid), lr); if (err) return err; if (lr == 0) err = enable_global_lr(dev, uid, setup); else { add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* Ranges Start */ add_token_u64(&err, dev, setup->range_start); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 4); /* Ranges length */ add_token_u64(&err, dev, setup->range_length); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 5); /*ReadLockEnabled */ add_token_u64(&err, dev, !!setup->RLE); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 6); /*WriteLockEnabled*/ add_token_u64(&err, dev, !!setup->WLE); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); } if (err) { |
591c59d18 block: sed-opal: ... |
1256 1257 |
pr_debug("Error building Setup Locking range command. "); |
455a7b238 block: Add Sed-op... |
1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 |
return err; } return finalize_and_send(dev, parse_and_check_status); } static int start_generic_opal_session(struct opal_dev *dev, enum opal_uid auth, enum opal_uid sp_type, const char *key, u8 key_len) { u32 hsn; int err = 0; |
591c59d18 block: sed-opal: ... |
1273 |
if (key == NULL && auth != OPAL_ANYBODY_UID) |
455a7b238 block: Add Sed-op... |
1274 |
return OPAL_INVAL_PARAM; |
455a7b238 block: Add Sed-op... |
1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 |
clear_opal_cmd(dev); set_comid(dev, dev->comid); hsn = GENERIC_HOST_SESSION_NUM; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_SMUID_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_STARTSESSION], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u64(&err, dev, hsn); add_token_bytestring(&err, dev, opaluid[sp_type], OPAL_UID_LENGTH); add_token_u8(&err, dev, 1); switch (auth) { case OPAL_ANYBODY_UID: add_token_u8(&err, dev, OPAL_ENDLIST); break; case OPAL_ADMIN1_UID: case OPAL_SID_UID: add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 0); /* HostChallenge */ add_token_bytestring(&err, dev, key, key_len); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* HostSignAuth */ add_token_bytestring(&err, dev, opaluid[auth], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); break; default: |
591c59d18 block: sed-opal: ... |
1309 1310 |
pr_debug("Cannot start Admin SP session with auth %d ", auth); |
455a7b238 block: Add Sed-op... |
1311 1312 1313 1314 |
return OPAL_INVAL_PARAM; } if (err) { |
591c59d18 block: sed-opal: ... |
1315 1316 |
pr_debug("Error building start adminsp session command. "); |
455a7b238 block: Add Sed-op... |
1317 1318 1319 1320 1321 |
return err; } return finalize_and_send(dev, start_opal_session_cont); } |
eed64951f block/sed: Embed ... |
1322 |
static int start_anybodyASP_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1323 1324 1325 1326 |
{ return start_generic_opal_session(dev, OPAL_ANYBODY_UID, OPAL_ADMINSP_UID, NULL, 0); } |
eed64951f block/sed: Embed ... |
1327 |
static int start_SIDASP_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1328 1329 1330 |
{ int ret; const u8 *key = dev->prev_data; |
455a7b238 block: Add Sed-op... |
1331 1332 |
if (!key) { |
eed64951f block/sed: Embed ... |
1333 |
const struct opal_key *okey = data; |
455a7b238 block: Add Sed-op... |
1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 |
ret = start_generic_opal_session(dev, OPAL_SID_UID, OPAL_ADMINSP_UID, okey->key, okey->key_len); } else { ret = start_generic_opal_session(dev, OPAL_SID_UID, OPAL_ADMINSP_UID, key, dev->prev_d_len); kfree(key); dev->prev_data = NULL; } return ret; } |
eed64951f block/sed: Embed ... |
1347 |
static int start_admin1LSP_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1348 |
{ |
eed64951f block/sed: Embed ... |
1349 |
struct opal_key *key = data; |
455a7b238 block: Add Sed-op... |
1350 1351 1352 1353 |
return start_generic_opal_session(dev, OPAL_ADMIN1_UID, OPAL_LOCKINGSP_UID, key->key, key->key_len); } |
eed64951f block/sed: Embed ... |
1354 |
static int start_auth_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1355 |
{ |
eed64951f block/sed: Embed ... |
1356 |
struct opal_session_info *session = data; |
455a7b238 block: Add Sed-op... |
1357 |
u8 lk_ul_user[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1358 |
size_t keylen = session->opal_key.key_len; |
455a7b238 block: Add Sed-op... |
1359 |
int err = 0; |
455a7b238 block: Add Sed-op... |
1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 |
u8 *key = session->opal_key.key; u32 hsn = GENERIC_HOST_SESSION_NUM; clear_opal_cmd(dev); set_comid(dev, dev->comid); if (session->sum) { err = build_locking_user(lk_ul_user, sizeof(lk_ul_user), session->opal_key.lr); if (err) return err; } else if (session->who != OPAL_ADMIN1 && !session->sum) { err = build_locking_user(lk_ul_user, sizeof(lk_ul_user), session->who - 1); if (err) return err; } else memcpy(lk_ul_user, opaluid[OPAL_ADMIN1_UID], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_SMUID_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_STARTSESSION], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u64(&err, dev, hsn); add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID], OPAL_UID_LENGTH); add_token_u8(&err, dev, 1); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 0); add_token_bytestring(&err, dev, key, keylen); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); add_token_bytestring(&err, dev, lk_ul_user, OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1402 1403 |
pr_debug("Error building STARTSESSION command. "); |
455a7b238 block: Add Sed-op... |
1404 1405 1406 1407 1408 |
return err; } return finalize_and_send(dev, start_opal_session_cont); } |
eed64951f block/sed: Embed ... |
1409 |
static int revert_tper(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 |
{ int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_ADMINSP_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_REVERT], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1424 1425 |
pr_debug("Error building REVERT TPER command. "); |
455a7b238 block: Add Sed-op... |
1426 1427 1428 1429 1430 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1431 |
static int internal_activate_user(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1432 |
{ |
eed64951f block/sed: Embed ... |
1433 |
struct opal_session_info *session = data; |
455a7b238 block: Add Sed-op... |
1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 |
u8 uid[OPAL_UID_LENGTH]; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); memcpy(uid, opaluid[OPAL_USER1_UID], OPAL_UID_LENGTH); uid[7] = session->who; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 5); /* Enabled */ add_token_u8(&err, dev, OPAL_TRUE); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1459 1460 |
pr_debug("Error building Activate UserN command. "); |
455a7b238 block: Add Sed-op... |
1461 1462 1463 1464 1465 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1466 |
static int erase_locking_range(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1467 |
{ |
eed64951f block/sed: Embed ... |
1468 |
struct opal_session_info *session = data; |
455a7b238 block: Add Sed-op... |
1469 1470 1471 1472 1473 |
u8 uid[OPAL_UID_LENGTH]; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 |
if (build_locking_range(uid, sizeof(uid), session->opal_key.lr) < 0) return -ERANGE; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_ERASE], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1486 1487 |
pr_debug("Error building Erase Locking Range Command. "); |
455a7b238 block: Add Sed-op... |
1488 1489 1490 1491 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1492 |
static int set_mbr_done(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1493 |
{ |
eed64951f block/sed: Embed ... |
1494 |
u8 *mbr_done_tf = data; |
455a7b238 block: Add Sed-op... |
1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 |
int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_MBRCONTROL], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 2); /* Done */ |
eed64951f block/sed: Embed ... |
1510 |
add_token_u8(&err, dev, *mbr_done_tf); /* Done T or F */ |
455a7b238 block: Add Sed-op... |
1511 1512 1513 1514 1515 1516 |
add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1517 1518 |
pr_debug("Error Building set MBR Done command "); |
455a7b238 block: Add Sed-op... |
1519 1520 1521 1522 1523 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1524 |
static int set_mbr_enable_disable(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1525 |
{ |
eed64951f block/sed: Embed ... |
1526 |
u8 *mbr_en_dis = data; |
455a7b238 block: Add Sed-op... |
1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 |
int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_MBRCONTROL], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 1); |
eed64951f block/sed: Embed ... |
1542 |
add_token_u8(&err, dev, *mbr_en_dis); |
455a7b238 block: Add Sed-op... |
1543 1544 1545 1546 1547 1548 |
add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1549 1550 |
pr_debug("Error Building set MBR done command "); |
455a7b238 block: Add Sed-op... |
1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 |
return err; } return finalize_and_send(dev, parse_and_check_status); } static int generic_pw_cmd(u8 *key, size_t key_len, u8 *cpin_uid, struct opal_dev *dev) { int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, cpin_uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* PIN */ add_token_bytestring(&err, dev, key, key_len); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); return err; } |
eed64951f block/sed: Embed ... |
1583 |
static int set_new_pw(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1584 1585 |
{ u8 cpin_uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1586 |
struct opal_session_info *usr = data; |
455a7b238 block: Add Sed-op... |
1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 |
memcpy(cpin_uid, opaluid[OPAL_C_PIN_ADMIN1], OPAL_UID_LENGTH); if (usr->who != OPAL_ADMIN1) { cpin_uid[5] = 0x03; if (usr->sum) cpin_uid[7] = usr->opal_key.lr + 1; else cpin_uid[7] = usr->who; } if (generic_pw_cmd(usr->opal_key.key, usr->opal_key.key_len, cpin_uid, dev)) { |
591c59d18 block: sed-opal: ... |
1600 1601 |
pr_debug("Error building set password command. "); |
455a7b238 block: Add Sed-op... |
1602 1603 1604 1605 1606 |
return -ERANGE; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1607 |
static int set_sid_cpin_pin(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1608 1609 |
{ u8 cpin_uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1610 |
struct opal_key *key = data; |
455a7b238 block: Add Sed-op... |
1611 1612 1613 1614 |
memcpy(cpin_uid, opaluid[OPAL_C_PIN_SID], OPAL_UID_LENGTH); if (generic_pw_cmd(key->key, key->key_len, cpin_uid, dev)) { |
591c59d18 block: sed-opal: ... |
1615 1616 |
pr_debug("Error building Set SID cpin "); |
455a7b238 block: Add Sed-op... |
1617 1618 1619 1620 |
return -ERANGE; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1621 |
static int add_user_to_lr(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1622 1623 1624 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; u8 user_uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1625 |
struct opal_lock_unlock *lkul = data; |
455a7b238 block: Add Sed-op... |
1626 1627 1628 1629 |
int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 |
memcpy(lr_buffer, opaluid[OPAL_LOCKINGRANGE_ACE_RDLOCKED], OPAL_UID_LENGTH); if (lkul->l_state == OPAL_RW) memcpy(lr_buffer, opaluid[OPAL_LOCKINGRANGE_ACE_WRLOCKED], OPAL_UID_LENGTH); lr_buffer[7] = lkul->session.opal_key.lr; memcpy(user_uid, opaluid[OPAL_USER1_UID], OPAL_UID_LENGTH); user_uid[7] = lkul->session.who; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, lr_buffer, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_bytestring(&err, dev, opaluid[OPAL_HALF_UID_AUTHORITY_OBJ_REF], OPAL_UID_LENGTH/2); add_token_bytestring(&err, dev, user_uid, OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_bytestring(&err, dev, opaluid[OPAL_HALF_UID_AUTHORITY_OBJ_REF], OPAL_UID_LENGTH/2); add_token_bytestring(&err, dev, user_uid, OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_bytestring(&err, dev, opaluid[OPAL_HALF_UID_BOOLEAN_ACE], OPAL_UID_LENGTH/2); add_token_u8(&err, dev, 1); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1689 1690 |
pr_debug("Error building add user to locking range command. "); |
455a7b238 block: Add Sed-op... |
1691 1692 1693 1694 1695 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1696 |
static int lock_unlock_locking_range(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1697 1698 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1699 |
struct opal_lock_unlock *lkul = data; |
455a7b238 block: Add Sed-op... |
1700 1701 1702 1703 1704 |
u8 read_locked = 1, write_locked = 1; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 |
if (build_locking_range(lr_buffer, sizeof(lr_buffer), lkul->session.opal_key.lr) < 0) return -ERANGE; switch (lkul->l_state) { case OPAL_RO: read_locked = 0; write_locked = 1; break; case OPAL_RW: read_locked = 0; write_locked = 0; break; case OPAL_LK: /* vars are initalized to locked */ break; default: |
591c59d18 block: sed-opal: ... |
1722 1723 |
pr_debug("Tried to set an invalid locking state... returning to uland "); |
455a7b238 block: Add Sed-op... |
1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 |
return OPAL_INVAL_PARAM; } add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, lr_buffer, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_READLOCKED); add_token_u8(&err, dev, read_locked); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_WRITELOCKED); add_token_u8(&err, dev, write_locked); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1750 1751 |
pr_debug("Error building SET command. "); |
455a7b238 block: Add Sed-op... |
1752 1753 1754 1755 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1756 |
static int lock_unlock_locking_range_sum(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1757 1758 1759 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; u8 read_locked = 1, write_locked = 1; |
eed64951f block/sed: Embed ... |
1760 |
struct opal_lock_unlock *lkul = data; |
455a7b238 block: Add Sed-op... |
1761 1762 1763 1764 |
int ret; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 |
if (build_locking_range(lr_buffer, sizeof(lr_buffer), lkul->session.opal_key.lr) < 0) return -ERANGE; switch (lkul->l_state) { case OPAL_RO: read_locked = 0; write_locked = 1; break; case OPAL_RW: read_locked = 0; write_locked = 0; break; case OPAL_LK: /* vars are initalized to locked */ break; default: |
591c59d18 block: sed-opal: ... |
1782 1783 |
pr_debug("Tried to set an invalid locking state. "); |
455a7b238 block: Add Sed-op... |
1784 1785 1786 1787 1788 1789 |
return OPAL_INVAL_PARAM; } ret = generic_lr_enable_disable(dev, lr_buffer, 1, 1, read_locked, write_locked); if (ret < 0) { |
591c59d18 block: sed-opal: ... |
1790 1791 |
pr_debug("Error building SET command. "); |
455a7b238 block: Add Sed-op... |
1792 1793 1794 1795 |
return ret; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1796 |
static int activate_lsp(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1797 |
{ |
eed64951f block/sed: Embed ... |
1798 |
struct opal_lr_act *opal_act = data; |
455a7b238 block: Add Sed-op... |
1799 1800 1801 1802 1803 1804 |
u8 user_lr[OPAL_UID_LENGTH]; u8 uint_3 = 0x83; int err = 0, i; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 |
add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_ACTIVATE], OPAL_UID_LENGTH); if (opal_act->sum) { err = build_locking_range(user_lr, sizeof(user_lr), opal_act->lr[0]); if (err) return err; add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, uint_3); add_token_u8(&err, dev, 6); add_token_u8(&err, dev, 0); add_token_u8(&err, dev, 0); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_bytestring(&err, dev, user_lr, OPAL_UID_LENGTH); for (i = 1; i < opal_act->num_lrs; i++) { user_lr[7] = opal_act->lr[i]; add_token_bytestring(&err, dev, user_lr, OPAL_UID_LENGTH); } add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); } else { add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_ENDLIST); } if (err) { |
591c59d18 block: sed-opal: ... |
1841 1842 |
pr_debug("Error building Activate LockingSP command. "); |
455a7b238 block: Add Sed-op... |
1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 |
return err; } return finalize_and_send(dev, parse_and_check_status); } static int get_lsp_lifecycle_cont(struct opal_dev *dev) { u8 lc_status; int error = 0; error = parse_and_check_status(dev); if (error) return error; lc_status = response_get_u64(&dev->parsed, 4); /* 0x08 is Manufacured Inactive */ /* 0x09 is Manufactured */ if (lc_status != OPAL_MANUFACTURED_INACTIVE) { |
591c59d18 block: sed-opal: ... |
1862 1863 |
pr_debug("Couldn't determine the status of the Lifecycle state "); |
455a7b238 block: Add Sed-op... |
1864 1865 1866 1867 1868 1869 1870 |
return -ENODEV; } return 0; } /* Determine if we're in the Manufactured Inactive or Active state */ |
eed64951f block/sed: Embed ... |
1871 |
static int get_lsp_lifecycle(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 |
{ int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* Start Column */ add_token_u8(&err, dev, 6); /* Lifecycle Column */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 4); /* End Column */ add_token_u8(&err, dev, 6); /* Lifecycle Column */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1900 1901 |
pr_debug("Error Building GET Lifecycle Status command "); |
455a7b238 block: Add Sed-op... |
1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 |
return err; } return finalize_and_send(dev, get_lsp_lifecycle_cont); } static int get_msid_cpin_pin_cont(struct opal_dev *dev) { const char *msid_pin; size_t strlen; int error = 0; error = parse_and_check_status(dev); if (error) return error; strlen = response_get_string(&dev->parsed, 4, &msid_pin); if (!msid_pin) { |
591c59d18 block: sed-opal: ... |
1920 1921 |
pr_debug("%s: Couldn't extract PIN from response ", __func__); |
455a7b238 block: Add Sed-op... |
1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 |
return OPAL_INVAL_PARAM; } dev->prev_data = kmemdup(msid_pin, strlen, GFP_KERNEL); if (!dev->prev_data) return -ENOMEM; dev->prev_d_len = strlen; return 0; } |
eed64951f block/sed: Embed ... |
1933 |
static int get_msid_cpin_pin(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1934 1935 1936 1937 1938 |
{ int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 |
add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_C_PIN_MSID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* Start Column */ add_token_u8(&err, dev, 3); /* PIN */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 4); /* End Column */ add_token_u8(&err, dev, 3); /* Lifecycle Column */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1961 1962 |
pr_debug("Error building Get MSID CPIN PIN command. "); |
455a7b238 block: Add Sed-op... |
1963 1964 1965 1966 1967 |
return err; } return finalize_and_send(dev, get_msid_cpin_pin_cont); } |
eed64951f block/sed: Embed ... |
1968 |
static int end_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1969 1970 1971 1972 |
{ int err = 0; clear_opal_cmd(dev); |
455a7b238 block: Add Sed-op... |
1973 1974 |
set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_ENDOFSESSION); |
455a7b238 block: Add Sed-op... |
1975 |
|
eed64951f block/sed: Embed ... |
1976 1977 |
if (err < 0) return err; |
455a7b238 block: Add Sed-op... |
1978 1979 1980 1981 1982 |
return finalize_and_send(dev, end_session_cont); } static int end_opal_session_error(struct opal_dev *dev) { |
eed64951f block/sed: Embed ... |
1983 1984 1985 |
const struct opal_step error_end_session[] = { { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
1986 |
}; |
eed64951f block/sed: Embed ... |
1987 |
dev->steps = error_end_session; |
455a7b238 block: Add Sed-op... |
1988 1989 1990 1991 |
return next(dev); } static inline void setup_opal_dev(struct opal_dev *dev, |
eed64951f block/sed: Embed ... |
1992 |
const struct opal_step *steps) |
455a7b238 block: Add Sed-op... |
1993 |
{ |
eed64951f block/sed: Embed ... |
1994 |
dev->steps = steps; |
455a7b238 block: Add Sed-op... |
1995 1996 |
dev->tsn = 0; dev->hsn = 0; |
455a7b238 block: Add Sed-op... |
1997 1998 1999 2000 2001 |
dev->prev_data = NULL; } static int check_opal_support(struct opal_dev *dev) { |
eed64951f block/sed: Embed ... |
2002 2003 2004 |
const struct opal_step steps[] = { { opal_discovery0, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2005 2006 2007 2008 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2009 |
setup_opal_dev(dev, steps); |
455a7b238 block: Add Sed-op... |
2010 2011 2012 2013 2014 |
ret = next(dev); dev->supported = !ret; mutex_unlock(&dev->dev_lock); return ret; } |
7d6d15789 block/sed-opal: I... |
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 |
static void clean_opal_dev(struct opal_dev *dev) { struct opal_suspend_data *suspend, *next; mutex_lock(&dev->dev_lock); list_for_each_entry_safe(suspend, next, &dev->unlk_lst, node) { list_del(&suspend->node); kfree(suspend); } mutex_unlock(&dev->dev_lock); } void free_opal_dev(struct opal_dev *dev) { if (!dev) return; clean_opal_dev(dev); kfree(dev); } EXPORT_SYMBOL(free_opal_dev); |
4f1244c82 block/sed-opal: a... |
2036 |
struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv) |
455a7b238 block: Add Sed-op... |
2037 |
{ |
4f1244c82 block/sed-opal: a... |
2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 |
struct opal_dev *dev; dev = kmalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return NULL; INIT_LIST_HEAD(&dev->unlk_lst); mutex_init(&dev->dev_lock); dev->data = data; dev->send_recv = send_recv; if (check_opal_support(dev) != 0) { |
f5b37b7c2 block/sed-opal: t... |
2049 2050 |
pr_debug("Opal is not supported on this device "); |
4f1244c82 block/sed-opal: a... |
2051 2052 2053 2054 |
kfree(dev); return NULL; } return dev; |
455a7b238 block: Add Sed-op... |
2055 2056 2057 2058 2059 2060 |
} EXPORT_SYMBOL(init_opal_dev); static int opal_secure_erase_locking_range(struct opal_dev *dev, struct opal_session_info *opal_session) { |
eed64951f block/sed: Embed ... |
2061 2062 2063 2064 2065 2066 2067 |
const struct opal_step erase_steps[] = { { opal_discovery0, }, { start_auth_opal_session, opal_session }, { get_active_key, &opal_session->opal_key.lr }, { gen_key, }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2068 2069 2070 2071 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2072 |
setup_opal_dev(dev, erase_steps); |
455a7b238 block: Add Sed-op... |
2073 2074 2075 2076 2077 2078 2079 2080 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_erase_locking_range(struct opal_dev *dev, struct opal_session_info *opal_session) { |
eed64951f block/sed: Embed ... |
2081 2082 2083 2084 2085 2086 |
const struct opal_step erase_steps[] = { { opal_discovery0, }, { start_auth_opal_session, opal_session }, { erase_locking_range, opal_session }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2087 2088 2089 2090 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2091 |
setup_opal_dev(dev, erase_steps); |
455a7b238 block: Add Sed-op... |
2092 2093 2094 2095 2096 2097 2098 2099 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_enable_disable_shadow_mbr(struct opal_dev *dev, struct opal_mbr_data *opal_mbr) { |
eed64951f block/sed: Embed ... |
2100 2101 2102 2103 2104 2105 2106 2107 2108 |
const struct opal_step mbr_steps[] = { { opal_discovery0, }, { start_admin1LSP_opal_session, &opal_mbr->key }, { set_mbr_done, &opal_mbr->enable_disable }, { end_opal_session, }, { start_admin1LSP_opal_session, &opal_mbr->key }, { set_mbr_enable_disable, &opal_mbr->enable_disable }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2109 2110 2111 2112 2113 2114 2115 2116 |
}; int ret; if (opal_mbr->enable_disable != OPAL_MBR_ENABLE && opal_mbr->enable_disable != OPAL_MBR_DISABLE) return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2117 |
setup_opal_dev(dev, mbr_steps); |
455a7b238 block: Add Sed-op... |
2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_save(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) { struct opal_suspend_data *suspend; suspend = kzalloc(sizeof(*suspend), GFP_KERNEL); if (!suspend) return -ENOMEM; suspend->unlk = *lk_unlk; suspend->lr = lk_unlk->session.opal_key.lr; mutex_lock(&dev->dev_lock); setup_opal_dev(dev, NULL); add_suspend_info(dev, suspend); mutex_unlock(&dev->dev_lock); return 0; } static int opal_add_user_to_lr(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) { |
eed64951f block/sed: Embed ... |
2144 2145 2146 2147 2148 2149 |
const struct opal_step steps[] = { { opal_discovery0, }, { start_admin1LSP_opal_session, &lk_unlk->session.opal_key }, { add_user_to_lr, lk_unlk }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2150 2151 2152 2153 2154 |
}; int ret; if (lk_unlk->l_state != OPAL_RO && lk_unlk->l_state != OPAL_RW) { |
591c59d18 block: sed-opal: ... |
2155 2156 |
pr_debug("Locking state was not RO or RW "); |
455a7b238 block: Add Sed-op... |
2157 2158 |
return -EINVAL; } |
b0bfdfc2b block/sed: Fix op... |
2159 |
if (lk_unlk->session.who < OPAL_USER1 || |
455a7b238 block: Add Sed-op... |
2160 |
lk_unlk->session.who > OPAL_USER9) { |
591c59d18 block: sed-opal: ... |
2161 2162 2163 |
pr_debug("Authority was not within the range of users: %d ", lk_unlk->session.who); |
455a7b238 block: Add Sed-op... |
2164 2165 2166 |
return -EINVAL; } if (lk_unlk->session.sum) { |
591c59d18 block: sed-opal: ... |
2167 2168 2169 |
pr_debug("%s not supported in sum. Use setup locking range ", __func__); |
455a7b238 block: Add Sed-op... |
2170 2171 2172 2173 |
return -EINVAL; } mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2174 |
setup_opal_dev(dev, steps); |
455a7b238 block: Add Sed-op... |
2175 2176 2177 2178 2179 2180 2181 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_reverttper(struct opal_dev *dev, struct opal_key *opal) { |
eed64951f block/sed: Embed ... |
2182 2183 2184 2185 2186 |
const struct opal_step revert_steps[] = { { opal_discovery0, }, { start_SIDASP_opal_session, opal }, { revert_tper, }, /* controller will terminate session */ { NULL, } |
455a7b238 block: Add Sed-op... |
2187 2188 2189 2190 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2191 |
setup_opal_dev(dev, revert_steps); |
455a7b238 block: Add Sed-op... |
2192 2193 |
ret = next(dev); mutex_unlock(&dev->dev_lock); |
7d6d15789 block/sed-opal: I... |
2194 2195 2196 2197 2198 2199 2200 |
/* * If we successfully reverted lets clean * any saved locking ranges. */ if (!ret) clean_opal_dev(dev); |
455a7b238 block: Add Sed-op... |
2201 2202 |
return ret; } |
eed64951f block/sed: Embed ... |
2203 2204 |
static int __opal_lock_unlock(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) |
455a7b238 block: Add Sed-op... |
2205 |
{ |
eed64951f block/sed: Embed ... |
2206 2207 2208 2209 2210 2211 |
const struct opal_step unlock_steps[] = { { opal_discovery0, }, { start_auth_opal_session, &lk_unlk->session }, { lock_unlock_locking_range, lk_unlk }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2212 |
}; |
eed64951f block/sed: Embed ... |
2213 2214 2215 2216 2217 2218 |
const struct opal_step unlock_sum_steps[] = { { opal_discovery0, }, { start_auth_opal_session, &lk_unlk->session }, { lock_unlock_locking_range_sum, lk_unlk }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2219 |
}; |
eed64951f block/sed: Embed ... |
2220 |
dev->steps = lk_unlk->session.sum ? unlock_sum_steps : unlock_steps; |
455a7b238 block: Add Sed-op... |
2221 2222 |
return next(dev); } |
dbec491b1 block: sed-opal: ... |
2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 |
static int __opal_set_mbr_done(struct opal_dev *dev, struct opal_key *key) { u8 mbr_done_tf = 1; const struct opal_step mbrdone_step [] = { { opal_discovery0, }, { start_admin1LSP_opal_session, key }, { set_mbr_done, &mbr_done_tf }, { end_opal_session, }, { NULL, } }; dev->steps = mbrdone_step; return next(dev); } |
eed64951f block/sed: Embed ... |
2237 2238 |
static int opal_lock_unlock(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) |
455a7b238 block: Add Sed-op... |
2239 |
{ |
455a7b238 block: Add Sed-op... |
2240 2241 2242 2243 2244 2245 2246 |
int ret; if (lk_unlk->session.who < OPAL_ADMIN1 || lk_unlk->session.who > OPAL_USER9) return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2247 |
ret = __opal_lock_unlock(dev, lk_unlk); |
455a7b238 block: Add Sed-op... |
2248 2249 2250 2251 2252 2253 |
mutex_unlock(&dev->dev_lock); return ret; } static int opal_take_ownership(struct opal_dev *dev, struct opal_key *opal) { |
eed64951f block/sed: Embed ... |
2254 2255 2256 2257 2258 2259 2260 2261 2262 |
const struct opal_step owner_steps[] = { { opal_discovery0, }, { start_anybodyASP_opal_session, }, { get_msid_cpin_pin, }, { end_opal_session, }, { start_SIDASP_opal_session, opal }, { set_sid_cpin_pin, opal }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2263 |
}; |
455a7b238 block: Add Sed-op... |
2264 2265 2266 2267 2268 2269 |
int ret; if (!dev) return -ENODEV; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2270 |
setup_opal_dev(dev, owner_steps); |
455a7b238 block: Add Sed-op... |
2271 2272 2273 2274 2275 2276 2277 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_activate_lsp(struct opal_dev *dev, struct opal_lr_act *opal_lr_act) { |
eed64951f block/sed: Embed ... |
2278 2279 2280 2281 2282 2283 2284 |
const struct opal_step active_steps[] = { { opal_discovery0, }, { start_SIDASP_opal_session, &opal_lr_act->key }, { get_lsp_lifecycle, }, { activate_lsp, opal_lr_act }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2285 2286 2287 2288 2289 2290 2291 |
}; int ret; if (!opal_lr_act->num_lrs || opal_lr_act->num_lrs > OPAL_MAX_LRS) return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2292 |
setup_opal_dev(dev, active_steps); |
455a7b238 block: Add Sed-op... |
2293 2294 2295 2296 2297 2298 2299 2300 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_setup_locking_range(struct opal_dev *dev, struct opal_user_lr_setup *opal_lrs) { |
eed64951f block/sed: Embed ... |
2301 2302 2303 2304 2305 2306 |
const struct opal_step lr_steps[] = { { opal_discovery0, }, { start_auth_opal_session, &opal_lrs->session }, { setup_locking_range, opal_lrs }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2307 2308 2309 2310 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2311 |
setup_opal_dev(dev, lr_steps); |
455a7b238 block: Add Sed-op... |
2312 2313 2314 2315 2316 2317 2318 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_set_new_pw(struct opal_dev *dev, struct opal_new_pw *opal_pw) { |
eed64951f block/sed: Embed ... |
2319 2320 2321 2322 2323 2324 |
const struct opal_step pw_steps[] = { { opal_discovery0, }, { start_auth_opal_session, &opal_pw->session }, { set_new_pw, &opal_pw->new_user_pw }, { end_opal_session, }, { NULL } |
455a7b238 block: Add Sed-op... |
2325 |
}; |
455a7b238 block: Add Sed-op... |
2326 2327 2328 2329 2330 2331 2332 2333 2334 |
int ret; if (opal_pw->session.who < OPAL_ADMIN1 || opal_pw->session.who > OPAL_USER9 || opal_pw->new_user_pw.who < OPAL_ADMIN1 || opal_pw->new_user_pw.who > OPAL_USER9) return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2335 |
setup_opal_dev(dev, pw_steps); |
455a7b238 block: Add Sed-op... |
2336 2337 2338 2339 2340 2341 2342 2343 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_activate_user(struct opal_dev *dev, struct opal_session_info *opal_session) { |
eed64951f block/sed: Embed ... |
2344 2345 2346 2347 2348 2349 |
const struct opal_step act_steps[] = { { opal_discovery0, }, { start_admin1LSP_opal_session, &opal_session->opal_key }, { internal_activate_user, opal_session }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2350 |
}; |
455a7b238 block: Add Sed-op... |
2351 2352 2353 |
int ret; /* We can't activate Admin1 it's active as manufactured */ |
b0bfdfc2b block/sed: Fix op... |
2354 |
if (opal_session->who < OPAL_USER1 || |
455a7b238 block: Add Sed-op... |
2355 |
opal_session->who > OPAL_USER9) { |
591c59d18 block: sed-opal: ... |
2356 2357 |
pr_debug("Who was not a valid user: %d ", opal_session->who); |
455a7b238 block: Add Sed-op... |
2358 2359 2360 2361 |
return -EINVAL; } mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2362 |
setup_opal_dev(dev, act_steps); |
455a7b238 block: Add Sed-op... |
2363 2364 2365 2366 2367 2368 2369 2370 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } bool opal_unlock_from_suspend(struct opal_dev *dev) { struct opal_suspend_data *suspend; |
455a7b238 block: Add Sed-op... |
2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 |
bool was_failure = false; int ret = 0; if (!dev) return false; if (!dev->supported) return false; mutex_lock(&dev->dev_lock); setup_opal_dev(dev, NULL); |
455a7b238 block: Add Sed-op... |
2381 2382 |
list_for_each_entry(suspend, &dev->unlk_lst, node) { |
455a7b238 block: Add Sed-op... |
2383 2384 |
dev->tsn = 0; dev->hsn = 0; |
eed64951f block/sed: Embed ... |
2385 |
ret = __opal_lock_unlock(dev, &suspend->unlk); |
455a7b238 block: Add Sed-op... |
2386 |
if (ret) { |
591c59d18 block: sed-opal: ... |
2387 2388 2389 2390 |
pr_debug("Failed to unlock LR %hhu with sum %d ", suspend->unlk.session.opal_key.lr, suspend->unlk.session.sum); |
455a7b238 block: Add Sed-op... |
2391 2392 |
was_failure = true; } |
dbec491b1 block: sed-opal: ... |
2393 2394 2395 2396 2397 2398 |
if (dev->mbr_enabled) { ret = __opal_set_mbr_done(dev, &suspend->unlk.session.opal_key); if (ret) pr_debug("Failed to set MBR Done in S3 resume "); } |
455a7b238 block: Add Sed-op... |
2399 2400 2401 2402 2403 |
} mutex_unlock(&dev->dev_lock); return was_failure; } EXPORT_SYMBOL(opal_unlock_from_suspend); |
e225c20eb Move stack parame... |
2404 |
int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *arg) |
455a7b238 block: Add Sed-op... |
2405 |
{ |
e225c20eb Move stack parame... |
2406 2407 |
void *p; int ret = -ENOTTY; |
455a7b238 block: Add Sed-op... |
2408 2409 2410 |
if (!capable(CAP_SYS_ADMIN)) return -EACCES; |
4f1244c82 block/sed-opal: a... |
2411 2412 |
if (!dev) return -ENOTSUPP; |
591c59d18 block: sed-opal: ... |
2413 |
if (!dev->supported) |
455a7b238 block: Add Sed-op... |
2414 |
return -ENOTSUPP; |
455a7b238 block: Add Sed-op... |
2415 |
|
eed64951f block/sed: Embed ... |
2416 |
p = memdup_user(arg, _IOC_SIZE(cmd)); |
e225c20eb Move stack parame... |
2417 2418 |
if (IS_ERR(p)) return PTR_ERR(p); |
455a7b238 block: Add Sed-op... |
2419 |
|
e225c20eb Move stack parame... |
2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 |
switch (cmd) { case IOC_OPAL_SAVE: ret = opal_save(dev, p); break; case IOC_OPAL_LOCK_UNLOCK: ret = opal_lock_unlock(dev, p); break; case IOC_OPAL_TAKE_OWNERSHIP: ret = opal_take_ownership(dev, p); break; case IOC_OPAL_ACTIVATE_LSP: ret = opal_activate_lsp(dev, p); break; case IOC_OPAL_SET_PW: ret = opal_set_new_pw(dev, p); break; case IOC_OPAL_ACTIVATE_USR: ret = opal_activate_user(dev, p); break; case IOC_OPAL_REVERT_TPR: ret = opal_reverttper(dev, p); break; case IOC_OPAL_LR_SETUP: ret = opal_setup_locking_range(dev, p); break; case IOC_OPAL_ADD_USR_TO_LR: ret = opal_add_user_to_lr(dev, p); break; case IOC_OPAL_ENABLE_DISABLE_MBR: ret = opal_enable_disable_shadow_mbr(dev, p); break; case IOC_OPAL_ERASE_LR: ret = opal_erase_locking_range(dev, p); break; case IOC_OPAL_SECURE_ERASE_LR: ret = opal_secure_erase_locking_range(dev, p); break; |
455a7b238 block: Add Sed-op... |
2457 |
default: |
591c59d18 block: sed-opal: ... |
2458 |
break; |
455a7b238 block: Add Sed-op... |
2459 |
} |
e225c20eb Move stack parame... |
2460 2461 2462 |
kfree(p); return ret; |
455a7b238 block: Add Sed-op... |
2463 2464 |
} EXPORT_SYMBOL_GPL(sed_ioctl); |