jailhouse: Provide detection for non-x86 systems
Implement jailhouse_paravirt() via device tree probing on architectures
!= x86. Will be used by the PCI core.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: jailhouse-dev@googlegroups.com
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-pci@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lkml.kernel.org/r/dae9fe0c6e63141c28ca90492fa5712b4c33ffb5.1520408357.git.jan.kiszka@siemens.com
diff --git a/include/linux/hypervisor.h b/include/linux/hypervisor.h
index b19563f..fc08b43 100644
--- a/include/linux/hypervisor.h
+++ b/include/linux/hypervisor.h
@@ -8,15 +8,28 @@
*/
#ifdef CONFIG_X86
+
+#include <asm/jailhouse_para.h>
#include <asm/x86_init.h>
+
static inline void hypervisor_pin_vcpu(int cpu)
{
x86_platform.hyper.pin_vcpu(cpu);
}
-#else
+
+#else /* !CONFIG_X86 */
+
+#include <linux/of.h>
+
static inline void hypervisor_pin_vcpu(int cpu)
{
}
-#endif
+
+static inline bool jailhouse_paravirt(void)
+{
+ return of_find_compatible_node(NULL, NULL, "jailhouse,cell");
+}
+
+#endif /* !CONFIG_X86 */
#endif /* __LINUX_HYPEVISOR_H */