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Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/vfio.h25
-rw-r--r--include/linux/vgaarb.h5
2 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 049b2f497bc7..ddb440975382 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -14,6 +14,8 @@
#include <linux/iommu.h>
#include <linux/mm.h>
+#include <linux/workqueue.h>
+#include <linux/poll.h>
#include <uapi/linux/vfio.h>
/**
@@ -110,4 +112,27 @@ static inline long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
return -ENOTTY;
}
#endif /* CONFIG_EEH */
+
+/*
+ * IRQfd - generic
+ */
+struct virqfd {
+ void *opaque;
+ struct eventfd_ctx *eventfd;
+ int (*handler)(void *, void *);
+ void (*thread)(void *, void *);
+ void *data;
+ struct work_struct inject;
+ wait_queue_t wait;
+ poll_table pt;
+ struct work_struct shutdown;
+ struct virqfd **pvirqfd;
+};
+
+extern int vfio_virqfd_enable(void *opaque,
+ int (*handler)(void *, void *),
+ void (*thread)(void *, void *),
+ void *data, struct virqfd **pvirqfd, int fd);
+extern void vfio_virqfd_disable(struct virqfd **pvirqfd);
+
#endif /* VFIO_H */
diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index c37bd4d06739..8c3b412d84df 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -65,8 +65,13 @@ struct pci_dev;
* out of the arbitration process (and can be safe to take
* interrupts at any time.
*/
+#if defined(CONFIG_VGA_ARB)
extern void vga_set_legacy_decoding(struct pci_dev *pdev,
unsigned int decodes);
+#else
+static inline void vga_set_legacy_decoding(struct pci_dev *pdev,
+ unsigned int decodes) { };
+#endif
/**
* vga_get - acquire & locks VGA resources