From: Don Slutz <[email protected]>
Signed-off-by: Don Slutz <[email protected]>
Signed-off-by: David Vrabel <[email protected]>
---
kexec/crashdump-xen.c | 20 ++++++++++++++++++++
kexec/crashdump.c | 2 ++
2 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/kexec/crashdump-xen.c b/kexec/crashdump-xen.c
index 13335a5..dfb86c8 100644
--- a/kexec/crashdump-xen.c
+++ b/kexec/crashdump-xen.c
@@ -164,6 +164,26 @@ unsigned long xen_architecture(struct crash_elf_info
*elf_info)
}
#ifdef HAVE_LIBXENCTRL
+int get_xen_vmcoreinfo(uint64_t *addr, uint64_t *len)
+{
+ xc_interface *xc;
+ int ret = 0;
+
+ xc = xc_interface_open(NULL, NULL, 0);
+ if (!xc) {
+ fprintf(stderr, "failed to open xen control interface.\n");
+ return -1;
+ }
+
+ ret = xc_kexec_get_range(xc, KEXEC_RANGE_MA_VMCOREINFO, 0, len, addr);
+
+ xc_interface_close(xc);
+
+ if (ret < 0)
+ return -1;
+ return 0;
+}
+
int xen_get_nr_phys_cpus(void)
{
xc_interface *xc;
diff --git a/kexec/crashdump.c b/kexec/crashdump.c
index cdd3ef6..b8441b7 100644
--- a/kexec/crashdump.c
+++ b/kexec/crashdump.c
@@ -141,7 +141,9 @@ int get_kernel_vmcoreinfo(uint64_t *addr, uint64_t *len)
return get_vmcoreinfo("/sys/kernel/vmcoreinfo", addr, len);
}
+#ifndef HAVE_LIBXENCTRL
int get_xen_vmcoreinfo(uint64_t *addr, uint64_t *len)
{
return get_vmcoreinfo("/sys/hypervisor/vmcoreinfo", addr, len);
}
+#endif
--
1.7.2.5
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