5 files changed, 80 insertions, 6 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index c4de62348ff2..4d758a7c604a 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -530,6 +530,10 @@ static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *c
 }
 
 extern int irq_set_percpu_devid(unsigned int irq);
+extern int irq_set_percpu_devid_partition(unsigned int irq,
+					  const struct cpumask *affinity);
+extern int irq_get_percpu_devid_partition(unsigned int irq,
+					  struct cpumask *affinity);
 
 extern void
 __irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index d5d798b35c1f..9e6fdd33bdb2 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -102,8 +102,6 @@
 #define GICR_SYNCR			0x00C0
 #define GICR_MOVLPIR			0x0100
 #define GICR_MOVALLR			0x0110
-#define GICR_ISACTIVER			GICD_ISACTIVER
-#define GICR_ICACTIVER			GICD_ICACTIVER
 #define GICR_IDREGS			GICD_IDREGS
 #define GICR_PIDR2			GICD_PIDR2
 
diff --git a/include/linux/irqchip/irq-partition-percpu.h b/include/linux/irqchip/irq-partition-percpu.h
new file mode 100644
index 000000000000..87433a5d1285
--- /dev/null
+++ b/include/linux/irqchip/irq-partition-percpu.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2016 ARM Limited, All Rights Reserved.
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/fwnode.h>
+#include <linux/cpumask.h>
+#include <linux/irqdomain.h>
+
+struct partition_affinity {
+	cpumask_t			mask;
+	void				*partition_id;
+};
+
+struct partition_desc;
+
+#ifdef CONFIG_PARTITION_PERCPU
+int partition_translate_id(struct partition_desc *desc, void *partition_id);
+struct partition_desc *partition_create_desc(struct fwnode_handle *fwnode,
+					     struct partition_affinity *parts,
+					     int nr_parts,
+					     int chained_irq,
+					     const struct irq_domain_ops *ops);
+struct irq_domain *partition_get_domain(struct partition_desc *dsc);
+#else
+static inline int partition_translate_id(struct partition_desc *desc,
+					 void *partition_id)
+{
+	return -EINVAL;
+}
+
+static inline
+struct partition_desc *partition_create_desc(struct fwnode_handle *fwnode,
+					     struct partition_affinity *parts,
+					     int nr_parts,
+					     int chained_irq,
+					     const struct irq_domain_ops *ops)
+{
+	return NULL;
+}
+
+static inline
+struct irq_domain *partition_get_domain(struct partition_desc *dsc)
+{
+	return NULL;
+}
+#endif
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index dcca77c4b9d2..b51beebf9804 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -66,6 +66,7 @@ struct irq_desc {
 	int			threads_handled_last;
 	raw_spinlock_t		lock;
 	struct cpumask		*percpu_enabled;
+	const struct cpumask	*percpu_affinity;
 #ifdef CONFIG_SMP
 	const struct cpumask	*affinity_hint;
 	struct irq_affinity_notify *affinity_notify;
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 2aed04396210..f1f36e04d885 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -96,6 +96,8 @@ enum irq_domain_bus_token {
 struct irq_domain_ops {
 	int (*match)(struct irq_domain *d, struct device_node *node,
 		     enum irq_domain_bus_token bus_token);
+	int (*select)(struct irq_domain *d, struct irq_fwspec *fwspec,
+		      enum irq_domain_bus_token bus_token);
 	int (*map)(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw);
 	void (*unmap)(struct irq_domain *d, unsigned int virq);
 	int (*xlate)(struct irq_domain *d, struct device_node *node,
@@ -211,7 +213,7 @@ struct irq_domain *irq_domain_add_legacy(struct device_node *of_node,
 					 irq_hw_number_t first_hwirq,
 					 const struct irq_domain_ops *ops,
 					 void *host_data);
-extern struct irq_domain *irq_find_matching_fwnode(struct fwnode_handle *fwnode,
+extern struct irq_domain *irq_find_matching_fwspec(struct irq_fwspec *fwspec,
 						   enum irq_domain_bus_token bus_token);
 extern void irq_set_default_host(struct irq_domain *host);
 extern int irq_domain_alloc_descs(int virq, unsigned int nr_irqs,
@@ -227,6 +229,17 @@ static inline bool is_fwnode_irqchip(struct fwnode_handle *fwnode)
 	return fwnode && fwnode->type == FWNODE_IRQCHIP;
 }
 
+static inline
+struct irq_domain *irq_find_matching_fwnode(struct fwnode_handle *fwnode,
+					    enum irq_domain_bus_token bus_token)
+{
+	struct irq_fwspec fwspec = {
+		.fwnode = fwnode,
+	};
+
+	return irq_find_matching_fwspec(&fwspec, bus_token);
+}
+
 static inline struct irq_domain *irq_find_matching_host(struct device_node *node,
 							enum irq_domain_bus_token bus_token)
 {
@@ -346,9 +359,8 @@ int irq_domain_xlate_onetwocell(struct irq_domain *d, struct device_node *ctrlr,
 			irq_hw_number_t *out_hwirq, unsigned int *out_type);
 
 /* IPI functions */
-unsigned int irq_reserve_ipi(struct irq_domain *domain,
-			     const struct cpumask *dest);
-void irq_destroy_ipi(unsigned int irq);
+int irq_reserve_ipi(struct irq_domain *domain, const struct cpumask *dest);
+int irq_destroy_ipi(unsigned int irq, const struct cpumask *dest);
 
 /* V2 interfaces to support hierarchy IRQ domains. */
 extern struct irq_data *irq_domain_get_irq_data(struct irq_domain *domain,