[Xen-devel] [PATCH 08/12] arm: Implement arch_get_xen_caps

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

TBD: correct arch name for this string. Should be "xen-" / "hvm-" or something
else given the hybrid model we are using on ARM?

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/arch/arm/dummy.S |    1 -
 xen/arch/arm/mm.c    |    1 +
 xen/arch/arm/setup.c |   12 ++++++++++++
 3 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/xen/arch/arm/dummy.S b/xen/arch/arm/dummy.S
index da0b906..5010619 100644
--- a/xen/arch/arm/dummy.S
+++ b/xen/arch/arm/dummy.S
@@ -9,7 +9,6 @@ x:      mov pc, lr
 DUMMY(alloc_pirq_struct);
 DUMMY(alloc_vcpu_guest_context);
 DUMMY(arch_get_info_guest);
-DUMMY(arch_get_xen_caps);
 DUMMY(arch_set_info_guest);
 DUMMY(arch_vcpu_reset);
 DUMMY(create_grant_host_mapping);
diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 45971cb..50c3634 100644
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -23,6 +23,7 @@
 #include <xen/init.h>
 #include <xen/mm.h>
 #include <xen/preempt.h>
+#include <xen/errno.h>
 #include <asm/page.h>
 #include <asm/current.h>
 
diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index 2433723..2fcde24 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -213,6 +213,18 @@ void __init start_xen(unsigned long boot_phys_offset,
     reset_stack_and_jump(init_done);
 }
 
+void arch_get_xen_caps(xen_capabilities_info_t *info)
+{
+    /* Interface name is always xen-3.0-* for Xen-3.x. */
+    int major = 3, minor = 0;
+    char s[32];
+
+    (*info)[0] = '\0';
+
+    snprintf(s, sizeof(s), "xen-%d.%d-armv7l ", major, minor);
+    safe_strcat(*info, s);
+}
+
 /*
  * Local variables:
  * mode: C
-- 
1.7.2.5


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