From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
To: 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>
Cc: Len Brown <lenb@kernel.org>,
Robert Moore <robert.moore@intel.com>,
Erik Kaneda <erik.kaneda@intel.com>,
linux-acpi@vger.kernel.org, devel@acpica.org,
linux-kernel@vger.kernel.org, x86@kernel.org,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>
Subject: [PATCH v2 1/3] ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure
Date: Thu, 22 Apr 2021 14:47:06 -0700 [thread overview]
Message-ID: <20210422214708.716164-2-sathyanarayanan.kuppuswamy@linux.intel.com> (raw)
In-Reply-To: <20210422214708.716164-1-sathyanarayanan.kuppuswamy@linux.intel.com>
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>
---
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
next prev parent reply other threads:[~2021-04-22 21:47 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 ` Kuppuswamy Sathyanarayanan [this message]
2021-04-23 12:33 ` [PATCH v2 1/3] ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure Rafael J. Wysocki
2021-04-23 16:44 ` Kuppuswamy, Sathyanarayanan
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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