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Lines 550-563
apei_identify(driver_t *driver, device_t parent)
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| 550 |
{ |
550 |
{ |
| 551 |
device_t child; |
551 |
device_t child; |
| 552 |
int found; |
552 |
int found; |
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553 |
ACPI_TABLE_HEADER *hest; |
| 554 |
ACPI_STATUS status; |
| 553 |
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555 |
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| 554 |
if (acpi_disabled("apei")) |
556 |
if (acpi_disabled("apei")) |
| 555 |
return; |
557 |
return; |
| 556 |
if (acpi_find_table(ACPI_SIG_HEST) == 0) |
558 |
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559 |
/* Without HEST table we have nothing to do. */ |
| 560 |
status = AcpiGetTable(ACPI_SIG_HEST, 0, &hest); |
| 561 |
if (ACPI_FAILURE(status)) |
| 557 |
return; |
562 |
return; |
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563 |
AcpiPutTable(hest); |
| 564 |
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| 558 |
/* Only one APEI device can exist. */ |
565 |
/* Only one APEI device can exist. */ |
| 559 |
if (devclass_get_device(apei_devclass, 0)) |
566 |
if (devclass_get_device(apei_devclass, 0)) |
| 560 |
return; |
567 |
return; |
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568 |
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| 561 |
/* Search for ACPI error device to be used. */ |
569 |
/* Search for ACPI error device to be used. */ |
| 562 |
found = 0; |
570 |
found = 0; |
| 563 |
AcpiWalkNamespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, |
571 |
AcpiWalkNamespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, |
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Lines 564-569
apei_identify(driver_t *driver, device_t parent)
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| 564 |
100, apei_find, NULL, NULL, (void *)&found); |
572 |
100, apei_find, NULL, NULL, (void *)&found); |
| 565 |
if (found) |
573 |
if (found) |
| 566 |
return; |
574 |
return; |
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575 |
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| 567 |
/* If not found - create a fake one. */ |
576 |
/* If not found - create a fake one. */ |
| 568 |
child = BUS_ADD_CHILD(parent, 2, "apei", 0); |
577 |
child = BUS_ADD_CHILD(parent, 2, "apei", 0); |
| 569 |
if (child == NULL) |
578 |
if (child == NULL) |
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Lines 573-590
apei_identify(driver_t *driver, device_t parent)
Link Here
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| 573 |
static int |
582 |
static int |
| 574 |
apei_probe(device_t dev) |
583 |
apei_probe(device_t dev) |
| 575 |
{ |
584 |
{ |
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585 |
ACPI_TABLE_HEADER *hest; |
| 586 |
ACPI_STATUS status; |
| 576 |
int rv; |
587 |
int rv; |
| 577 |
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588 |
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| 578 |
if (acpi_disabled("apei")) |
589 |
if (acpi_disabled("apei")) |
| 579 |
return (ENXIO); |
590 |
return (ENXIO); |
| 580 |
if (acpi_find_table(ACPI_SIG_HEST) == 0) |
591 |
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| 581 |
return (ENXIO); |
592 |
if (acpi_get_handle(dev) != NULL) { |
| 582 |
if (acpi_get_handle(dev) != NULL) |
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| 583 |
rv = (ACPI_ID_PROBE(device_get_parent(dev), dev, apei_ids) == NULL); |
593 |
rv = (ACPI_ID_PROBE(device_get_parent(dev), dev, apei_ids) == NULL); |
| 584 |
else |
594 |
if (rv > 0) |
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595 |
return (rv); |
| 596 |
} else |
| 585 |
rv = 0; |
597 |
rv = 0; |
| 586 |
if (rv <= 0) |
598 |
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| 587 |
device_set_desc(dev, "Platform Error Interface"); |
599 |
/* Without HEST table we have nothing to do. */ |
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600 |
status = AcpiGetTable(ACPI_SIG_HEST, 0, &hest); |
| 601 |
if (ACPI_FAILURE(status)) |
| 602 |
return (ENXIO); |
| 603 |
AcpiPutTable(hest); |
| 604 |
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| 605 |
device_set_desc(dev, "ACPI Platform Error Interface"); |
| 588 |
return (rv); |
606 |
return (rv); |
| 589 |
} |
607 |
} |
| 590 |
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608 |
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