Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux...

[firefly-linux-kernel-4.4.55.git] / include / linux / htirq.h

diff --git a/include/linux/htirq.h b/include/linux/htirq.h
index 1f15ce279a237a9984b076f4bb903419140ba317..70a1dbbf209350836f97743363fadfe4f6f95b36 100644 (file)
--- a/include/linux/htirq.h
+++ b/include/linux/htirq.h
@@ -1,15 +1,24 @@
 #ifndef LINUX_HTIRQ_H
 #define LINUX_HTIRQ_H
 
+struct ht_irq_msg {
+       u32     address_lo;     /* low 32 bits of the ht irq message */
+       u32     address_hi;     /* high 32 bits of the it irq message */
+};
+
 /* Helper functions.. */
-void write_ht_irq_low(unsigned int irq, u32 data);
-void write_ht_irq_high(unsigned int irq, u32 data);
-u32  read_ht_irq_low(unsigned int irq);
-u32  read_ht_irq_high(unsigned int irq);
-void mask_ht_irq(unsigned int irq);
-void unmask_ht_irq(unsigned int irq);
+void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
+void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
+struct irq_data;
+void mask_ht_irq(struct irq_data *data);
+void unmask_ht_irq(struct irq_data *data);
 
 /* The arch hook for getting things started */
 int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev);
 
+/* For drivers of buggy hardware */
+typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
+                              struct ht_irq_msg *msg);
+int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update);
+
 #endif /* LINUX_HTIRQ_H */