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From 576a2f71ac459b96deb1caee171fb6ff45915688 Mon Sep 17 00:00:00 2001
From: Alex Williamson <alex.williamson@redhat.com>
Date: Tue, 5 Nov 2013 17:31:05 +0100
Subject: [PATCH 18/25] linux-headers: Update to include vfio pci hot reset support

RH-Author: Alex Williamson <alex.williamson@redhat.com>
Message-id: <20131105173105.19372.39854.stgit@bling.home>
Patchwork-id: 55439
O-Subject: [RHEL7 qemu-kvm PATCH 1/2] linux-headers: Update to include vfio pci hot reset support
Bugzilla: 1025472
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Bandan Das <bsd@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>

Bugzilla: 1025472
Upstream commit: Subset of 4f265607

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
 linux-headers/linux/vfio.h |   38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 linux-headers/linux/vfio.h |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index 9e6df92..d341312 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -323,6 +323,44 @@ enum {
 	VFIO_PCI_NUM_IRQS
 };
 
+/**
+ * VFIO_DEVICE_GET_PCI_HOT_RESET_INFO - _IORW(VFIO_TYPE, VFIO_BASE + 12,
+ *					      struct vfio_pci_hot_reset_info)
+ *
+ * Return: 0 on success, -errno on failure:
+ *	-enospc = insufficient buffer, -enodev = unsupported for device.
+ */
+struct vfio_pci_dependent_device {
+	__u32	group_id;
+	__u16	segment;
+	__u8	bus;
+	__u8	devfn; /* Use PCI_SLOT/PCI_FUNC */
+};
+
+struct vfio_pci_hot_reset_info {
+	__u32	argsz;
+	__u32	flags;
+	__u32	count;
+	struct vfio_pci_dependent_device	devices[];
+};
+
+#define VFIO_DEVICE_GET_PCI_HOT_RESET_INFO	_IO(VFIO_TYPE, VFIO_BASE + 12)
+
+/**
+ * VFIO_DEVICE_PCI_HOT_RESET - _IOW(VFIO_TYPE, VFIO_BASE + 13,
+ *				    struct vfio_pci_hot_reset)
+ *
+ * Return: 0 on success, -errno on failure.
+ */
+struct vfio_pci_hot_reset {
+	__u32	argsz;
+	__u32	flags;
+	__u32	count;
+	__s32	group_fds[];
+};
+
+#define VFIO_DEVICE_PCI_HOT_RESET	_IO(VFIO_TYPE, VFIO_BASE + 13)
+
 /* -------- API for Type1 VFIO IOMMU -------- */
 
 /**
-- 
1.7.1