From: "Kuppuswamy, Sathyanarayanan" <sathyanarayanan.kuppuswamy@linux.intel.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>,
Erik Kaneda <erik.kaneda@intel.com>
Cc: Rafael J Wysocki <rjw@rjwysocki.net>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Len Brown <lenb@kernel.org>,
Robert Moore <robert.moore@intel.com>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
"open list:ACPI COMPONENT ARCHITECTURE (ACPICA)"
<devel@acpica.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>
Subject: Re: [PATCH v2 1/3] ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure
Date: Fri, 23 Apr 2021 09:44:20 -0700 [thread overview]
Message-ID: <4fb6aefe-5873-b04e-dc0b-12dd0c52f411@linux.intel.com> (raw)
In-Reply-To: <CAJZ5v0itaKL58ieMB6ER47GVns7Ukvd_7VNBAxkktWB5cDv-SQ@mail.gmail.com>
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
next prev parent reply other threads:[~2021-04-23 16:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-22 21:47 [PATCH v2 0/3] Add multiprocessor wake-up support Kuppuswamy Sathyanarayanan
2021-04-22 21:47 ` [PATCH v2 1/3] ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure Kuppuswamy Sathyanarayanan
2021-04-23 12:33 ` Rafael J. Wysocki
2021-04-23 16:44 ` Kuppuswamy, Sathyanarayanan [this message]
2021-04-23 18:23 ` Kaneda, Erik
2021-04-22 21:47 ` [PATCH v2 2/3] ACPI/table: Print MADT Wake table information Kuppuswamy Sathyanarayanan
2021-04-23 12:38 ` Rafael J. Wysocki
2021-04-22 21:47 ` [PATCH v2 3/3] x86/acpi, x86/boot: Add multiprocessor wake-up support Kuppuswamy Sathyanarayanan
2021-04-23 13:05 ` Rafael J. Wysocki
2021-04-23 17:58 ` Kuppuswamy, Sathyanarayanan
2021-04-23 18:29 ` Rafael J. Wysocki
2021-04-22 22:01 ` [PATCH v2 0/3] " Borislav Petkov
2021-04-22 22:03 ` Kuppuswamy, Sathyanarayanan
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