[PATCH v2 10/15] xen/asm-generic: introduce generalized hardirq.h

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

<asm/hardirq.h> is common through archs thereby it is moved
to asm-generic.

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
Changes in V2:
        - add #include <xen/cache.h>.
        - update the commit message
---
 xen/include/asm-generic/hardirq.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 xen/include/asm-generic/hardirq.h

diff --git a/xen/include/asm-generic/hardirq.h 
b/xen/include/asm-generic/hardirq.h
new file mode 100644
index 0000000000..ddccf460b9
--- /dev/null
+++ b/xen/include/asm-generic/hardirq.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __ASM_GENERIC_HARDIRQ_H
+#define __ASM_GENERIC_HARDIRQ_H
+
+#include <xen/cache.h>
+#include <xen/smp.h>
+
+typedef struct {
+        unsigned long __softirq_pending;
+        unsigned int __local_irq_count;
+} __cacheline_aligned irq_cpustat_t;
+
+#include <xen/irq_cpustat.h>    /* Standard mappings for irq_cpustat_t above */
+
+#define in_irq() (local_irq_count(smp_processor_id()) != 0)
+
+#define irq_enter()     (local_irq_count(smp_processor_id())++)
+#define irq_exit()      (local_irq_count(smp_processor_id())--)
+
+#endif /* __ASM_GENERIC_HARDIRQ_H */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
-- 
2.41.0