numa.c (9b12dfa03a94d7f7a4b54eb67229a31e58193384) numa.c (c412a48d4d91e8f8b89aae02de0f44f1f0b729e5)
1/*
2 * NUMA parameter parsing routines
3 *
4 * Copyright (c) 2014 Fujitsu Ltd.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

--- 365 unchanged lines hidden (view full) ---

374 lb_data.data = node->bandwidth;
375 } else {
376 assert(0);
377 }
378
379 g_array_append_val(hmat_lb->list, lb_data);
380}
381
1/*
2 * NUMA parameter parsing routines
3 *
4 * Copyright (c) 2014 Fujitsu Ltd.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

--- 365 unchanged lines hidden (view full) ---

374 lb_data.data = node->bandwidth;
375 } else {
376 assert(0);
377 }
378
379 g_array_append_val(hmat_lb->list, lb_data);
380}
381
382void parse_numa_hmat_cache(MachineState *ms, NumaHmatCacheOptions *node,
383 Error **errp)
384{
385 int nb_numa_nodes = ms->numa_state->num_nodes;
386 NodeInfo *numa_info = ms->numa_state->nodes;
387 NumaHmatCacheOptions *hmat_cache = NULL;
388
389 if (node->node_id >= nb_numa_nodes) {
390 error_setg(errp, "Invalid node-id=%" PRIu32 ", it should be less "
391 "than %d", node->node_id, nb_numa_nodes);
392 return;
393 }
394
395 if (numa_info[node->node_id].lb_info_provided != (BIT(0) | BIT(1))) {
396 error_setg(errp, "The latency and bandwidth information of "
397 "node-id=%" PRIu32 " should be provided before memory side "
398 "cache attributes", node->node_id);
399 return;
400 }
401
402 if (node->level < 1 || node->level >= HMAT_LB_LEVELS) {
403 error_setg(errp, "Invalid level=%" PRIu8 ", it should be larger than 0 "
404 "and less than or equal to %d", node->level,
405 HMAT_LB_LEVELS - 1);
406 return;
407 }
408
409 assert(node->associativity < HMAT_CACHE_ASSOCIATIVITY__MAX);
410 assert(node->policy < HMAT_CACHE_WRITE_POLICY__MAX);
411 if (ms->numa_state->hmat_cache[node->node_id][node->level]) {
412 error_setg(errp, "Duplicate configuration of the side cache for "
413 "node-id=%" PRIu32 " and level=%" PRIu8,
414 node->node_id, node->level);
415 return;
416 }
417
418 if ((node->level > 1) &&
419 ms->numa_state->hmat_cache[node->node_id][node->level - 1] &&
420 (node->size >=
421 ms->numa_state->hmat_cache[node->node_id][node->level - 1]->size)) {
422 error_setg(errp, "Invalid size=%" PRIu64 ", the size of level=%" PRIu8
423 " should be less than the size(%" PRIu64 ") of "
424 "level=%u", node->size, node->level,
425 ms->numa_state->hmat_cache[node->node_id]
426 [node->level - 1]->size,
427 node->level - 1);
428 return;
429 }
430
431 if ((node->level < HMAT_LB_LEVELS - 1) &&
432 ms->numa_state->hmat_cache[node->node_id][node->level + 1] &&
433 (node->size <=
434 ms->numa_state->hmat_cache[node->node_id][node->level + 1]->size)) {
435 error_setg(errp, "Invalid size=%" PRIu64 ", the size of level=%" PRIu8
436 " should be larger than the size(%" PRIu64 ") of "
437 "level=%u", node->size, node->level,
438 ms->numa_state->hmat_cache[node->node_id]
439 [node->level + 1]->size,
440 node->level + 1);
441 return;
442 }
443
444 hmat_cache = g_malloc0(sizeof(*hmat_cache));
445 memcpy(hmat_cache, node, sizeof(*hmat_cache));
446 ms->numa_state->hmat_cache[node->node_id][node->level] = hmat_cache;
447}
448
382void set_numa_options(MachineState *ms, NumaOptions *object, Error **errp)
383{
384 Error *err = NULL;
385 MachineClass *mc = MACHINE_GET_CLASS(ms);
386
387 if (!mc->numa_mem_supported) {
388 error_setg(errp, "NUMA is not supported by this machine-type");
389 goto end;

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425 return;
426 }
427
428 parse_numa_hmat_lb(ms->numa_state, &object->u.hmat_lb, &err);
429 if (err) {
430 goto end;
431 }
432 break;
449void set_numa_options(MachineState *ms, NumaOptions *object, Error **errp)
450{
451 Error *err = NULL;
452 MachineClass *mc = MACHINE_GET_CLASS(ms);
453
454 if (!mc->numa_mem_supported) {
455 error_setg(errp, "NUMA is not supported by this machine-type");
456 goto end;

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492 return;
493 }
494
495 parse_numa_hmat_lb(ms->numa_state, &object->u.hmat_lb, &err);
496 if (err) {
497 goto end;
498 }
499 break;
500 case NUMA_OPTIONS_TYPE_HMAT_CACHE:
501 if (!ms->numa_state->hmat_enabled) {
502 error_setg(errp, "ACPI Heterogeneous Memory Attribute Table "
503 "(HMAT) is disabled, enable it with -machine hmat=on "
504 "before using any of hmat specific options");
505 return;
506 }
507
508 parse_numa_hmat_cache(ms, &object->u.hmat_cache, &err);
509 if (err) {
510 goto end;
511 }
512 break;
433 default:
434 abort();
435 }
436
437end:
438 error_propagate(errp, err);
439}
440

--- 413 unchanged lines hidden --- 		513 default:
514 abort();
515 }
516
517end:
518 error_propagate(errp, err);
519}
520

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