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