Messages in this thread Patch in this message | | | From | "Kirill A. Shutemov" <> | Subject | [PATCHv8 17/17] ACPI: tables: Print MULTIPROC_WAKEUP when MADT is parsed | Date | Tue, 27 Feb 2024 23:24:52 +0200 |
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When MADT is parsed, print MULTIPROC_WAKEUP information:
ACPI: MP Wakeup (version[1], mailbox[0x7fffd000], reset[0x7fffe068])
This debug information will be very helpful during bring up.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Baoquan He <bhe@redhat.com> --- drivers/acpi/tables.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index b07f7d091d13..c59a3617bca7 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -198,6 +198,20 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header) } break; + case ACPI_MADT_TYPE_MULTIPROC_WAKEUP: + { + struct acpi_madt_multiproc_wakeup *p = + (struct acpi_madt_multiproc_wakeup *)header; + u64 reset_vector = 0; + + if (p->version >= ACPI_MADT_MP_WAKEUP_VERSION_V1) + reset_vector = p->reset_vector; + + pr_debug("MP Wakeup (version[%d], mailbox[%#llx], reset[%#llx])\n", + p->version, p->mailbox_address, reset_vector); + } + break; + case ACPI_MADT_TYPE_CORE_PIC: { struct acpi_madt_core_pic *p = (struct acpi_madt_core_pic *)header; -- 2.43.0
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