[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC PATCH v3 18/22] Add LU_VERSION and LU_END records to live update stream
From: David Woodhouse <dwmw@xxxxxxxxxxxx> Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx> --- xen/common/lu/save.c | 13 ++++++++++++- xen/include/public/migration_stream.h | 9 +++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/xen/common/lu/save.c b/xen/common/lu/save.c index c43962c44e..84852da35e 100644 --- a/xen/common/lu/save.c +++ b/xen/common/lu/save.c @@ -4,10 +4,17 @@ #include <xen/lu.h> #include <xen/kimage.h> #include <xen/sched.h> +#include <xen/version.h> +#include <public/migration_stream.h> int lu_save_global(struct lu_stream *stream) { - return 0; + struct mr_lu_version ver_rec; + + ver_rec.xen_major = xen_major_version(); + ver_rec.xen_minor = xen_minor_version(); + return lu_stream_append_record(stream, REC_TYPE_LU_VERSION, + &ver_rec, sizeof(ver_rec)); } @@ -34,6 +41,10 @@ int lu_save_all(struct kexec_image *image) ret = lu_save_domain(&stream, d); } + if (!ret) + ret = lu_stream_append_record(&stream, REC_TYPE_END, + NULL, 0); + if (!ret) ret = kimage_add_live_update_data(image, _mfn(virt_to_mfn(stream.pagelist)), diff --git a/xen/include/public/migration_stream.h b/xen/include/public/migration_stream.h index 92dd119f9f..29ed8cc2b5 100644 --- a/xen/include/public/migration_stream.h +++ b/xen/include/public/migration_stream.h @@ -51,6 +51,8 @@ struct mr_rhdr #define REC_TYPE_CHECKPOINT 0x0000000eU #define REC_TYPE_CHECKPOINT_DIRTY_PFN_LIST 0x0000000fU +#define REC_TYPE_LU_VERSION 0x40000000U + #define REC_TYPE_OPTIONAL 0x80000000U #define REC_TYPE_LIVE_UPDATE 0x40000000U @@ -113,6 +115,13 @@ struct mr_hvm_params struct mr_hvm_params_entry param[0]; }; +/* LU_VERSION */ +struct mr_lu_version +{ + uint32_t xen_major; + uint32_t xen_minor; +}; + #endif /* __XEN_MIGRATION_STREAM_H__ */ /* -- 2.21.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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