`stubs/igvm.c` includes `igvm-internal.h`, that in turn includes the igvm 
library.
This is required just for the QIgvm declaration and creates an
unnecessary dependency on the library.

Since igvm is not listed as a dependency of stubs, this results in build
failing when the library is not installed in a "well known" path of the
system.

Add a forward declaration for QIgvm and move the definition of
`qigvm_directive_madt` to `igvm.h` so that we can drop `igvm-internal.h` from
`stubs/igvm.c`.

Fixes: dea1f68a5c ("igvm: Fill MADT IGVM parameter field on x86_64")
Suggested-by: Stefano Garzarella <[email protected]>
Signed-off-by: Luigi Leonardi <[email protected]>
---
Changes in v2:
- Removed blankline between tags [Stefano]
- Removed typedef for QIgvm in igvm-internal.h [Stefano]
- Link to v1: 
https://lore.kernel.org/qemu-devel/[email protected]
---
 include/qemu/typedefs.h        | 1 +
 include/system/igvm-internal.h | 9 ++-------
 include/system/igvm.h          | 5 +++++
 stubs/igvm.c                   | 1 -
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index 
416a8c9acead659786f22dfa7542f7af93699cec..cbe6f7f4c7c1092017296cbba09cc79b03b45b79
 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -102,6 +102,7 @@ typedef struct QEMUSGList QEMUSGList;
 typedef struct QemuSpin QemuSpin;
 typedef struct QEMUTimer QEMUTimer;
 typedef struct QEMUTimerListGroup QEMUTimerListGroup;
+typedef struct QIgvm QIgvm;
 typedef struct QList QList;
 typedef struct QNull QNull;
 typedef struct QNum QNum;
diff --git a/include/system/igvm-internal.h b/include/system/igvm-internal.h
index 
38004bd908e773a3ffc2343a9035be86dc6a8ace..76ae1bc3be9249cc1796bd7eec77dd9084358f98
 100644
--- a/include/system/igvm-internal.h
+++ b/include/system/igvm-internal.h
@@ -42,7 +42,7 @@ typedef struct QIgvmParameterData {
  * QIgvm contains the information required during processing of a single IGVM
  * file.
  */
-typedef struct QIgvm {
+struct QIgvm {
     IgvmHandle file;
     MachineState *machine_state;
     ConfidentialGuestSupportClass *cgsc;
@@ -67,16 +67,11 @@ typedef struct QIgvm {
     unsigned region_start_index;
     unsigned region_last_index;
     unsigned region_page_count;
-} QIgvm;
+};
 
 IgvmHandle qigvm_file_init(char *filename, Error **errp);
 
 QIgvmParameterData*
 qigvm_find_param_entry(QIgvm *igvm, uint32_t parameter_area_index);
 
-/*
- *  IGVM parameter handlers
- */
-int qigvm_directive_madt(QIgvm *ctx, const uint8_t *header_data, Error **errp);
-
 #endif
diff --git a/include/system/igvm.h b/include/system/igvm.h
index 
5573a6111ae754e2de49ba72a354b36c4b6fe747..f9231f03ec8015928d0968ac59c72a1b6d9f00b9
 100644
--- a/include/system/igvm.h
+++ b/include/system/igvm.h
@@ -27,4 +27,9 @@ int qigvm_x86_get_mem_map_entry(int index,
 int qigvm_x86_set_vp_context(void *data, int index,
                              Error **errp);
 
+/*
+ *  IGVM parameter handlers
+ */
+int qigvm_directive_madt(QIgvm *ctx, const uint8_t *header_data, Error **errp);
+
 #endif
diff --git a/stubs/igvm.c b/stubs/igvm.c
index 
47d5130d9d7488fb1092a0b5389a864d83e8b2f2..9e9f683fc9607bae85baaaa2f269eba594ae0574
 100644
--- a/stubs/igvm.c
+++ b/stubs/igvm.c
@@ -12,7 +12,6 @@
 #include "qemu/osdep.h"
 
 #include "system/igvm.h"
-#include "system/igvm-internal.h"
 
 int qigvm_x86_get_mem_map_entry(int index,
                                 ConfidentialGuestMemoryMapEntry *entry,

---
base-commit: 333aaa55f051977cc897fb71e0a9ed52bb00a675
change-id: 20260305-master-e118b38e314e

Best regards,
-- 
Luigi Leonardi <[email protected]>


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