lkml.org 
[lkml]   [2021]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2 1/3] ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure
From
Date


On 4/23/21 5:33 AM, Rafael J. Wysocki wrote:
> On Thu, Apr 22, 2021 at 11:47 PM Kuppuswamy Sathyanarayanan
> <sathyanarayanan.kuppuswamy@linux.intel.com> wrote:
>>
>> ACPICA commit f1ee04207a212f6c519441e7e25397649ebc4cea
>>
>> Add Multiprocessor Wakeup Mailbox Structure definition. It is useful
>> in parsing MADT Wake table.
>>
>> Link: https://github.com/acpica/acpica/commit/f1ee0420
>> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
>
> I'm expecting to receive this patch from Erik at one point, so I'm
> guessing that it's been added to this series for reference.

Yes. Since I had dependent patches, Erik sent it to me for
submission.

>
>> ---
>> include/acpi/actbl2.h | 14 ++++++++++++++
>> 1 file changed, 14 insertions(+)
>>
>> diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
>> index b2362600b9ff..7dce422f6119 100644
>> --- a/include/acpi/actbl2.h
>> +++ b/include/acpi/actbl2.h
>> @@ -733,6 +733,20 @@ struct acpi_madt_multiproc_wakeup {
>> u64 base_address;
>> };
>>
>> +#define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE 2032
>> +#define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE 2048
>> +
>> +struct acpi_madt_multiproc_wakeup_mailbox {
>> + u16 command;
>> + u16 reserved; /* reserved - must be zero */
>> + u32 apic_id;
>> + u64 wakeup_vector;
>> + u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE]; /* reserved for OS use */
>> + u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE]; /* reserved for firmware use */
>> +};
>> +
>> +#define ACPI_MP_WAKE_COMMAND_WAKEUP 1
>> +
>> /*
>> * Common flags fields for MADT subtables
>> */
>> --
>> 2.25.1
>>

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer

\
 
 \ /
  Last update: 2021-04-23 18:45    [W:0.049 / U:0.872 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site