[Libguestfs] [PATCH 3/6] v2v: efi: Detect if the guest could boot with UEFI.
This is only used where we have missing metadata (in the
source.s_firmware == UnknownFirmware case).
---
v2v/types.ml | 1 +
v2v/types.mli | 1 +
v2v/v2v.ml | 19 ++++++++++++++++++-
3 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/v2v/types.ml b/v2v/types.ml
index 90591c3..5531f26 100644
--- a/v2v/types.ml
+++ b/v2v/types.ml
@@ -275,6 +275,7 @@ type inspect = {
i_mountpoints : (string * string) list;
i_apps : Guestfs.application2 list;
i_apps_map : Guestfs.application2 list StringMap.t;
+ i_uefi : bool;
}
type mpstat = {
diff --git a/v2v/types.mli b/v2v/types.mli
index b629283..1ee9013 100644
--- a/v2v/types.mli
+++ b/v2v/types.mli
@@ -164,6 +164,7 @@ type inspect = {
(** This is a map from the app name to the application object.
Since RPM allows multiple packages with the same name to be
installed, the value is a list. *)
+ i_uefi : bool; (** True if the guest could boot with UEFI. *)
}
(** Inspection information. *)
diff --git a/v2v/v2v.ml b/v2v/v2v.ml
index 0ae7f7d..dcf0b80 100644
--- a/v2v/v2v.ml
+++ b/v2v/v2v.ml
@@ -530,6 +530,22 @@ and inspect_source g root_choice =
StringMap.add name (app :: vs) map
) StringMap.empty apps in
+ (* See if this guest could use UEFI to boot. It should use GPT and
+ * it should have an EFI System Partition (ESP).
+ *)
+ let uefi =
+ let rec uefi_ESP_guid = "C12A7328-F81F-11D2-BA4B-00A0C93EC93B"
+ and is_uefi_ESP dev { G.part_num = partnum } =
+ g#part_get_gpt_type dev (Int32.to_int partnum) = uefi_ESP_guid
+ and is_uefi_bootable_device dev =
+ g#part_get_parttype dev = "gpt" && (
+ let partitions = Array.to_list (g#part_list dev) in
+ List.exists (is_uefi_ESP dev) partitions
+ )
+ in
+ let devices = Array.to_list (g#list_devices ()) in
+ List.exists is_uefi_bootable_device devices in
+
{ i_root = root;
i_type = g#inspect_get_type root;
i_distro = g#inspect_get_distro root;
@@ -542,7 +558,8 @@ and inspect_source g root_choice =
i_product_variant = g#inspect_get_product_variant root;
i_mountpoints = mps;
i_apps = apps;
- i_apps_map = apps_map; }
+ i_apps_map = apps_map;
+ i_uefi = uefi; }
(* Conversion can fail if there is no space on the guest filesystems
* (RHBZ#1139543). To avoid this situation, check there is some
--
2.3.1