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authorDong Jia Shi <bjsdjshi@linux.vnet.ibm.com>2017-03-17 06:17:36 +0300
committerCornelia Huck <cornelia.huck@de.ibm.com>2017-03-31 13:55:08 +0300
commite01bcdd61320c91c826376e0a7dd96ef8e85dd18 (patch)
tree17eafd8fc6e92927c8edffdd622b8585b807090c /include/uapi/linux/vfio.h
parent4e149e431a2858b86b4f9c801b2a4dde50c929f9 (diff)
downloadlinux-e01bcdd61320c91c826376e0a7dd96ef8e85dd18.tar.xz
vfio: ccw: realize VFIO_DEVICE_GET_REGION_INFO ioctl
Introduce device information about vfio-ccw: VFIO_DEVICE_FLAGS_CCW. Realize VFIO_DEVICE_GET_REGION_INFO ioctl for vfio-ccw. Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> Acked-by: Alex Williamson <alex.williamson@redhat.com> Message-Id: <20170317031743.40128-10-bjsdjshi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'include/uapi/linux/vfio.h')
-rw-r--r--include/uapi/linux/vfio.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index 61837890c132..3fd70ffe9d78 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -198,6 +198,7 @@ struct vfio_device_info {
#define VFIO_DEVICE_FLAGS_PCI (1 << 1) /* vfio-pci device */
#define VFIO_DEVICE_FLAGS_PLATFORM (1 << 2) /* vfio-platform device */
#define VFIO_DEVICE_FLAGS_AMBA (1 << 3) /* vfio-amba device */
+#define VFIO_DEVICE_FLAGS_CCW (1 << 4) /* vfio-ccw device */
__u32 num_regions; /* Max region index + 1 */
__u32 num_irqs; /* Max IRQ index + 1 */
};
@@ -447,6 +448,16 @@ enum {
VFIO_PCI_NUM_IRQS
};
+/*
+ * The vfio-ccw bus driver makes use of the following fixed region.
+ * Unimplemented regions return a size of zero.
+ */
+
+enum {
+ VFIO_CCW_CONFIG_REGION_INDEX,
+ VFIO_CCW_NUM_REGIONS
+};
+
/**
* VFIO_DEVICE_GET_PCI_HOT_RESET_INFO - _IORW(VFIO_TYPE, VFIO_BASE + 12,
* struct vfio_pci_hot_reset_info)