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| author | Matthew Rosato <mjrosato@linux.ibm.com> | 2020-10-07 14:56:22 -0400 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2020-10-07 14:23:44 -0600 |
| commit | 0c633f0be1dc70a6db46d90dba4cdae82073350a (patch) | |
| tree | 407c36406ac074f575dc994542697c5c0705a4bf /include/uapi/linux/vfio.h | |
| parent | 517fe298245c4c2c3d1f9b8f140e40c7f9d7518d (diff) | |
| download | linux-0c633f0be1dc70a6db46d90dba4cdae82073350a.tar.gz linux-0c633f0be1dc70a6db46d90dba4cdae82073350a.tar.bz2 linux-0c633f0be1dc70a6db46d90dba4cdae82073350a.zip | |
vfio: Introduce capability definitions for VFIO_DEVICE_GET_INFO
Allow the VFIO_DEVICE_GET_INFO ioctl to include a capability chain.
Add a flag indicating capability chain support, and introduce the
definitions for the first set of capabilities which are specified to
s390 zPCI devices.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/uapi/linux/vfio.h')
| -rw-r--r-- | include/uapi/linux/vfio.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 920470502329..04fbe425ad0c 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -201,8 +201,10 @@ struct vfio_device_info { #define VFIO_DEVICE_FLAGS_AMBA (1 << 3) /* vfio-amba device */ #define VFIO_DEVICE_FLAGS_CCW (1 << 4) /* vfio-ccw device */ #define VFIO_DEVICE_FLAGS_AP (1 << 5) /* vfio-ap device */ +#define VFIO_DEVICE_FLAGS_CAPS (1 << 7) /* Info supports caps */ __u32 num_regions; /* Max region index + 1 */ __u32 num_irqs; /* Max IRQ index + 1 */ + __u32 cap_offset; /* Offset within info struct of first cap */ }; #define VFIO_DEVICE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 7) @@ -218,6 +220,15 @@ struct vfio_device_info { #define VFIO_DEVICE_API_CCW_STRING "vfio-ccw" #define VFIO_DEVICE_API_AP_STRING "vfio-ap" +/* + * The following capabilities are unique to s390 zPCI devices. Their contents + * are further-defined in vfio_zdev.h + */ +#define VFIO_DEVICE_INFO_CAP_ZPCI_BASE 1 +#define VFIO_DEVICE_INFO_CAP_ZPCI_GROUP 2 +#define VFIO_DEVICE_INFO_CAP_ZPCI_UTIL 3 +#define VFIO_DEVICE_INFO_CAP_ZPCI_PFIP 4 + /** * VFIO_DEVICE_GET_REGION_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 8, * struct vfio_region_info) |