diff options
author | Don Slutz <Don@CloudSwitch.com> | 2013-11-06 14:55:21 +0000 |
---|---|---|
committer | Simon Horman <horms@verge.net.au> | 2013-11-19 10:20:51 +0900 |
commit | ccd6099112f38eab768d1ce481e9fe3000ba7fda (patch) | |
tree | cdcbf0d03b8e643c2a634b66e8bcb067c34360c4 /kexec/crashdump-xen.c | |
parent | 5d0187df434e2ede33b4c09d6c5510875a73856b (diff) |
kexec/xen: switch to use xc_kexec_get_range for get_xen_vmcoreinfo.
Signed-off-by: Don Slutz <Don@CloudSwitch.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'kexec/crashdump-xen.c')
-rw-r--r-- | kexec/crashdump-xen.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/kexec/crashdump-xen.c b/kexec/crashdump-xen.c index 8185423..79b68e0 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; @@ -206,6 +226,11 @@ out: return cpu; } #else +int get_xen_vmcoreinfo(uint64_t *addr, uint64_t *len) +{ + return -1; +} + int xen_get_nr_phys_cpus(void) { return -1; |