summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/e820
diff options
context:
space:
mode:
authorTom Lendacky <thomas.lendacky@amd.com>2017-07-17 16:10:12 -0500
committerIngo Molnar <mingo@kernel.org>2017-07-18 11:38:01 +0200
commitd68baa3fa6e4d703fd0c7954ee5c739789e7242f (patch)
treeeabebb9771cde3e8615b8619d2df5f3be8f9d29a /arch/x86/include/asm/e820
parentb9d05200bc12444c7778a49c9694d8382ed06aa8 (diff)
x86/boot/e820: Add support to determine the E820 type of an address
Add a function that will return the E820 type associated with an address range. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Borislav Petkov <bp@suse.de> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Dave Young <dyoung@redhat.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Larry Woodman <lwoodman@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Toshimitsu Kani <toshi.kani@hpe.com> Cc: kasan-dev@googlegroups.com Cc: kvm@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: linux-efi@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/b797aaa588803bf33263d5dd8c32377668fa931a.1500319216.git.thomas.lendacky@amd.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/e820')
-rw-r--r--arch/x86/include/asm/e820/api.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h
index a504adc661a4..cd266d830e49 100644
--- a/arch/x86/include/asm/e820/api.h
+++ b/arch/x86/include/asm/e820/api.h
@@ -39,6 +39,8 @@ extern void e820__setup_pci_gap(void);
extern void e820__reallocate_tables(void);
extern void e820__register_nosave_regions(unsigned long limit_pfn);
+extern int e820__get_entry_type(u64 start, u64 end);
+
/*
* Returns true iff the specified range [start,end) is completely contained inside
* the ISA region.