accel/mshv: Forward-declare mshv_root_hvcall structure

Forward-declare the target-specific mshv_root_hvcall structure
in order to keep 'system/mshv_int.h' target-agnostic.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20260225051303.91614-3-philmd@linaro.org>

accel/mshv/mshv-all.c

diff --git a/accel/mshv/mshv-all.c b/accel/mshv/mshv-all.c
index ddc4c18..d4cc7f5 100644
--- a/accel/mshv/mshv-all.c
+++ b/accel/mshv/mshv-all.c
@@ -381,7 +381,7 @@
     }
 }
 
-int mshv_hvcall(int fd, const struct mshv_root_hvcall *args)
+int mshv_hvcall(int fd, const mshv_root_hvcall *args)
 {
     int ret = 0;
 

include/system/mshv_int.h

diff --git a/include/system/mshv_int.h b/include/system/mshv_int.h
index ad4d001..35386c4 100644
--- a/include/system/mshv_int.h
+++ b/include/system/mshv_int.h
@@ -96,9 +96,8 @@
     union hv_partition_synthetic_processor_features *features);
 int mshv_arch_post_init_vm(int vm_fd);
 
-#if defined COMPILING_PER_TARGET && defined CONFIG_MSHV_IS_POSSIBLE
-int mshv_hvcall(int fd, const struct mshv_root_hvcall *args);
-#endif
+typedef struct mshv_root_hvcall mshv_root_hvcall;
+int mshv_hvcall(int fd, const mshv_root_hvcall *args);
 
 /* memory */
 typedef struct MshvMemoryRegion {