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    Subject[PATCH v2 03/11] xen: Introduce architecture independent data for kexec/kdump
    Date
    Introduce architecture independent constants and structures
    required by Xen kexec/kdump implementation.

    Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
    ---
    include/xen/interface/xen.h | 33 +++++++++++++++++++++++++++++++++
    1 files changed, 33 insertions(+), 0 deletions(-)

    diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
    index 886a5d8..09c16ab 100644
    --- a/include/xen/interface/xen.h
    +++ b/include/xen/interface/xen.h
    @@ -57,6 +57,7 @@
    #define __HYPERVISOR_event_channel_op 32
    #define __HYPERVISOR_physdev_op 33
    #define __HYPERVISOR_hvm_op 34
    +#define __HYPERVISOR_kexec_op 37
    #define __HYPERVISOR_tmem_op 38

    /* Architecture-specific hypercall definitions. */
    @@ -231,7 +232,39 @@ DEFINE_GUEST_HANDLE_STRUCT(mmuext_op);
    #define VMASST_TYPE_pae_extended_cr3 3
    #define MAX_VMASST_TYPE 3

    +/*
    + * Commands to HYPERVISOR_kexec_op().
    + */
    +#define KEXEC_CMD_kexec 0
    +#define KEXEC_CMD_kexec_load 1
    +#define KEXEC_CMD_kexec_unload 2
    +#define KEXEC_CMD_kexec_get_range 3
    +
    +/*
    + * Memory ranges for kdump (utilized by HYPERVISOR_kexec_op()).
    + */
    +#define KEXEC_RANGE_MA_CRASH 0
    +#define KEXEC_RANGE_MA_XEN 1
    +#define KEXEC_RANGE_MA_CPU 2
    +#define KEXEC_RANGE_MA_XENHEAP 3
    +#define KEXEC_RANGE_MA_BOOT_PARAM 4
    +#define KEXEC_RANGE_MA_EFI_MEMMAP 5
    +#define KEXEC_RANGE_MA_VMCOREINFO 6
    +
    #ifndef __ASSEMBLY__
    +struct xen_kexec_exec {
    + int type;
    +};
    +
    +struct xen_kexec_range {
    + int range;
    + int nr;
    + unsigned long size;
    + unsigned long start;
    +};
    +
    +extern unsigned long xen_vmcoreinfo_maddr;
    +extern unsigned long xen_vmcoreinfo_max_size;

    typedef uint16_t domid_t;

    --
    1.5.6.5


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