From: lersek@redhat.com (Laszlo Ersek)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/5] efi: add macro for EFI_MEMORY_UCE memory attribute
Date: Mon, 1 Sep 2014 02:53:36 +0200 [thread overview]
Message-ID: <1409532820-5027-2-git-send-email-lersek@redhat.com> (raw)
In-Reply-To: <1409532820-5027-1-git-send-email-lersek@redhat.com>
Add the following macro from the UEFI spec, for completeness:
EFI_MEMORY_UCE Memory cacheability attribute: The memory region
supports being configured as not cacheable, exported,
and supports the "fetch and add" semaphore mechanism.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
---
include/linux/efi.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 45cb4ff..b4b1d8d 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -92,6 +92,7 @@ typedef struct {
#define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */
#define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */
#define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */
+#define EFI_MEMORY_UCE ((u64)0x0000000000000010ULL) /* uncached, exported */
#define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */
#define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */
#define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */
--
1.8.3.1
next prev parent reply other threads:[~2014-09-01 0:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-01 0:53 [PATCH 0/5] beautify EFI memmap logs Laszlo Ersek
2014-09-01 0:53 ` Laszlo Ersek [this message]
2014-09-01 0:53 ` [PATCH 2/5] efi: introduce efi_md_typeattr_format() Laszlo Ersek
2014-09-03 12:46 ` Matt Fleming
2014-09-01 0:53 ` [PATCH 3/5] x86: efi: format EFI memory type & attrs with efi_md_typeattr_format() Laszlo Ersek
2014-09-03 12:07 ` Matt Fleming
2014-09-01 0:53 ` [PATCH 4/5] ia64: " Laszlo Ersek
2014-09-01 0:53 ` [PATCH 5/5] arm64: " Laszlo Ersek
2014-09-01 7:22 ` [PATCH 0/5] beautify EFI memmap logs Ingo Molnar
2014-09-01 9:37 ` Laszlo Ersek
2014-09-03 9:00 ` Ingo Molnar
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