Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/x86/xen/smp.h b/arch/x86/xen/smp.h
new file mode 100644
index 0000000000..c20cbb14c8
--- /dev/null
+++ b/arch/x86/xen/smp.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _XEN_SMP_H
+
+#ifdef CONFIG_SMP
+
+void asm_cpu_bringup_and_idle(void);
+asmlinkage void cpu_bringup_and_idle(void);
+
+extern void xen_send_IPI_mask(const struct cpumask *mask,
+			      int vector);
+extern void xen_send_IPI_mask_allbutself(const struct cpumask *mask,
+				int vector);
+extern void xen_send_IPI_allbutself(int vector);
+extern void xen_send_IPI_all(int vector);
+extern void xen_send_IPI_self(int vector);
+
+extern int xen_smp_intr_init(unsigned int cpu);
+extern void xen_smp_intr_free(unsigned int cpu);
+int xen_smp_intr_init_pv(unsigned int cpu);
+void xen_smp_intr_free_pv(unsigned int cpu);
+
+void xen_smp_cpus_done(unsigned int max_cpus);
+
+void xen_smp_send_reschedule(int cpu);
+void xen_smp_send_call_function_ipi(const struct cpumask *mask);
+void xen_smp_send_call_function_single_ipi(int cpu);
+
+void __noreturn xen_cpu_bringup_again(unsigned long stack);
+
+struct xen_common_irq {
+	int irq;
+	char *name;
+};
+#else /* CONFIG_SMP */
+
+static inline int xen_smp_intr_init(unsigned int cpu)
+{
+	return 0;
+}
+static inline void xen_smp_intr_free(unsigned int cpu) {}
+
+static inline int xen_smp_intr_init_pv(unsigned int cpu)
+{
+	return 0;
+}
+static inline void xen_smp_intr_free_pv(unsigned int cpu) {}
+#endif /* CONFIG_SMP */
+
+#endif