From 576a2f71ac459b96deb1caee171fb6ff45915688 Mon Sep 17 00:00:00 2001 From: Alex Williamson 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 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 RH-Acked-by: Bandan Das RH-Acked-by: Laszlo Ersek RH-Acked-by: Michael S. Tsirkin Bugzilla: 1025472 Upstream commit: Subset of 4f265607 Signed-off-by: Alex Williamson --- linux-headers/linux/vfio.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) Signed-off-by: Miroslav Rezanina --- 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