summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/irq.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/powerpc/include/asm/irq.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/irq.h')
-rw-r--r--arch/powerpc/include/asm/irq.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
new file mode 100644
index 000000000..5c1516a5b
--- /dev/null
+++ b/arch/powerpc/include/asm/irq.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifdef __KERNEL__
+#ifndef _ASM_POWERPC_IRQ_H
+#define _ASM_POWERPC_IRQ_H
+
+/*
+ */
+
+#include <linux/threads.h>
+#include <linux/list.h>
+#include <linux/radix-tree.h>
+
+#include <asm/types.h>
+#include <linux/atomic.h>
+
+
+extern atomic_t ppc_n_lost_interrupts;
+
+/* This number is used when no interrupt has been assigned */
+#define NO_IRQ (0)
+
+/* Total number of virq in the platform */
+#define NR_IRQS CONFIG_NR_IRQS
+
+/* Number of irqs reserved for a legacy isa controller */
+#define NR_IRQS_LEGACY 16
+
+extern irq_hw_number_t virq_to_hw(unsigned int virq);
+
+static __inline__ int irq_canonicalize(int irq)
+{
+ return irq;
+}
+
+extern int distribute_irqs;
+
+struct pt_regs;
+
+#ifdef CONFIG_BOOKE_OR_40x
+/*
+ * Per-cpu stacks for handling critical, debug and machine check
+ * level interrupts.
+ */
+extern void *critirq_ctx[NR_CPUS];
+extern void *dbgirq_ctx[NR_CPUS];
+extern void *mcheckirq_ctx[NR_CPUS];
+#endif
+
+/*
+ * Per-cpu stacks for handling hard and soft interrupts.
+ */
+extern void *hardirq_ctx[NR_CPUS];
+extern void *softirq_ctx[NR_CPUS];
+
+void __do_IRQ(struct pt_regs *regs);
+extern void __init init_IRQ(void);
+
+int irq_choose_cpu(const struct cpumask *mask);
+
+#endif /* _ASM_IRQ_H */
+#endif /* __KERNEL__ */