ANDROID: KVM: arm64: Expose puts and putx64 in pKVM ABI

Expose the hyp_puts() and hyp_putx64() helpers in the module_ops struct
to allow logging messages on the UART from pKVM modules.

Bug: 244543039
Bug: 244373730
Change-Id: Ica578667297e5a1f94c370603c29482be89982a9
Signed-off-by: Quentin Perret <qperret@google.com>

arch/arm64/include/asm/kvm_pkvm_module.h

@@ -11,6 +11,8 @@ struct pkvm_module_ops {
 				      enum kvm_pgtable_prot prot,
 				      unsigned long *haddr);
 	int (*register_serial_driver)(void (*hyp_putc_cb)(char));
+	void (*puts)(const char *str);
+	void (*putx64)(u64 num);
 };
 
 struct pkvm_module_section {

arch/arm64/kvm/hyp/nvhe/modules.c

@@ -12,6 +12,8 @@
 const struct pkvm_module_ops module_ops = {
 	.create_private_mapping = __pkvm_create_private_mapping,
 	.register_serial_driver = __pkvm_register_serial_driver,
+	.puts = hyp_puts,
+	.putx64 = hyp_putx64,
 };
 
 int __pkvm_init_module(void *module_init)