summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/io_apic.h
diff options
context:
space:
mode:
authorJoerg Roedel <joro@8bytes.org>2012-09-26 14:44:36 +0400
committerJoerg Roedel <joro@8bytes.org>2013-01-28 13:48:30 +0400
commitafcc8a40a090f7a65d3b72bac1a26fc6dbb63b10 (patch)
tree68dca920cd86459c3468ae0b5d22eab5af4af4b2 /arch/x86/include/asm/io_apic.h
parent1c4248ca4e783e47cc34e313d9f82b4ea52774cc (diff)
downloadlinux-afcc8a40a090f7a65d3b72bac1a26fc6dbb63b10.tar.xz
x86, io_apic: Introduce x86_io_apic_ops.print_entries for debugging
This call-back is used to dump IO-APIC entries for debugging purposes into the kernel log. VT-d needs a special routine for this and will overwrite the default. Signed-off-by: Joerg Roedel <joro@8bytes.org> Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/x86/include/asm/io_apic.h')
-rw-r--r--arch/x86/include/asm/io_apic.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index d59e17232c4d..21aa81e6ec27 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -180,6 +180,8 @@ extern unsigned int native_io_apic_read(unsigned int apic, unsigned int reg);
extern void native_io_apic_write(unsigned int apic, unsigned int reg, unsigned int val);
extern void native_io_apic_modify(unsigned int apic, unsigned int reg, unsigned int val);
extern void native_disable_io_apic(void);
+extern void native_io_apic_print_entries(unsigned int apic, unsigned int nr_entries);
+extern void intel_ir_io_apic_print_entries(unsigned int apic, unsigned int nr_entries);
static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
{
@@ -225,6 +227,7 @@ static inline void disable_ioapic_support(void) { }
#define native_io_apic_write NULL
#define native_io_apic_modify NULL
#define native_disable_io_apic NULL
+#define native_io_apic_print_entries NULL
#endif
#endif /* _ASM_X86_IO_APIC_H */