[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 4/5] kexec/xen: switch to use xc_kexec_get_range for get_xen_vmcoreinfo.
From: Don Slutz <Don@xxxxxxxxxxxxxxx> Signed-off-by: Don Slutz <Don@xxxxxxxxxxxxxxx> Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx> --- kexec/crashdump-xen.c | 25 +++++++++++++++++++++++++ kexec/crashdump.c | 5 ----- 2 files changed, 25 insertions(+), 5 deletions(-) diff --git a/kexec/crashdump-xen.c b/kexec/crashdump-xen.c index 4a5cd8a..b08220e 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 @@ int xen_get_nr_phys_cpus(void) return cpu; } #else +int get_xen_vmcoreinfo(uint64_t *addr, uint64_t *len) +{ + return -1; +} + int xen_get_nr_phys_cpus(void) { return -1; diff --git a/kexec/crashdump.c b/kexec/crashdump.c index 8d88fdf..131e624 100644 --- a/kexec/crashdump.c +++ b/kexec/crashdump.c @@ -157,8 +157,3 @@ int get_kernel_vmcoreinfo(uint64_t *addr, uint64_t *len) { return get_vmcoreinfo("/sys/kernel/vmcoreinfo", addr, len); } - -int get_xen_vmcoreinfo(uint64_t *addr, uint64_t *len) -{ - return get_vmcoreinfo("/sys/hypervisor/vmcoreinfo", addr, len); -} -- 1.7.2.5 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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