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From 576a2f71ac459b96deb1caee171fb6ff45915688 Mon Sep 17 00:00:00 2001
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From: Alex Williamson <alex.williamson@redhat.com>
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Date: Tue, 5 Nov 2013 17:31:05 +0100
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Subject: [PATCH 18/25] linux-headers: Update to include vfio pci hot reset support
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RH-Author: Alex Williamson <alex.williamson@redhat.com>
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Message-id: <20131105173105.19372.39854.stgit@bling.home>
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Patchwork-id: 55439
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O-Subject: [RHEL7 qemu-kvm PATCH 1/2] linux-headers: Update to include vfio pci hot reset support
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Bugzilla: 1025472
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Bandan Das <bsd@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Bugzilla: 1025472
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Upstream commit: Subset of 4f265607
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Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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---
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linux-headers/linux/vfio.h | 38 ++++++++++++++++++++++++++++++++++++++
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1 file changed, 38 insertions(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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linux-headers/linux/vfio.h | 38 ++++++++++++++++++++++++++++++++++++++
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1 files changed, 38 insertions(+), 0 deletions(-)
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diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
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index 9e6df92..d341312 100644
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--- a/linux-headers/linux/vfio.h
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+++ b/linux-headers/linux/vfio.h
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@@ -323,6 +323,44 @@ enum {
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VFIO_PCI_NUM_IRQS
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};
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+/**
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+ * VFIO_DEVICE_GET_PCI_HOT_RESET_INFO - _IORW(VFIO_TYPE, VFIO_BASE + 12,
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+ * struct vfio_pci_hot_reset_info)
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+ *
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+ * Return: 0 on success, -errno on failure:
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+ * -enospc = insufficient buffer, -enodev = unsupported for device.
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+ */
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+struct vfio_pci_dependent_device {
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+ __u32 group_id;
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+ __u16 segment;
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+ __u8 bus;
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+ __u8 devfn; /* Use PCI_SLOT/PCI_FUNC */
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+};
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+
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+struct vfio_pci_hot_reset_info {
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+ __u32 argsz;
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+ __u32 flags;
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+ __u32 count;
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+ struct vfio_pci_dependent_device devices[];
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+};
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+
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+#define VFIO_DEVICE_GET_PCI_HOT_RESET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
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+
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+/**
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+ * VFIO_DEVICE_PCI_HOT_RESET - _IOW(VFIO_TYPE, VFIO_BASE + 13,
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+ * struct vfio_pci_hot_reset)
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+ *
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+ * Return: 0 on success, -errno on failure.
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+ */
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+struct vfio_pci_hot_reset {
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+ __u32 argsz;
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+ __u32 flags;
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+ __u32 count;
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+ __s32 group_fds[];
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+};
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+
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+#define VFIO_DEVICE_PCI_HOT_RESET _IO(VFIO_TYPE, VFIO_BASE + 13)
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+
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/* -------- API for Type1 VFIO IOMMU -------- */
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/**
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--
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1.7.1
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