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Diffstat (limited to 'drivers/block/xen-blkback/common.h')
-rw-r--r-- | drivers/block/xen-blkback/common.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index f65b807e3236..78b0411e5ed5 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -214,6 +214,15 @@ enum blkif_protocol { BLKIF_PROTOCOL_X86_64 = 3, }; +/* + * Default protocol if the frontend doesn't specify one. + */ +#ifdef CONFIG_X86 +# define BLKIF_PROTOCOL_DEFAULT BLKIF_PROTOCOL_X86_32 +#else +# define BLKIF_PROTOCOL_DEFAULT BLKIF_PROTOCOL_NATIVE +#endif + struct xen_vbd { /* What the domain refers to this vbd as. */ blkif_vdev_t handle; |