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| author |   Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> | 2017-03-17 04:17:38 +0100 |
|---|---|---|
| committer |   Cornelia Huck <cornelia.huck@de.ibm.com> | 2017-03-31 12:55:09 +0200 |
| commit | 120e214e504fd6d3e33ec4b661193600b2faab95 (patch) | |
| tree | 781dcb51968c9f6e3860570b177a73306add0a47 /include/uapi/linux/vfio.h | |
| parent | vfio: ccw: realize VFIO_DEVICE_RESET ioctl (diff) | |
| download | linux-dev-120e214e504fd6d3e33ec4b661193600b2faab95.tar.xz linux-dev-120e214e504fd6d3e33ec4b661193600b2faab95.zip | |
vfio: ccw: realize VFIO_DEVICE_G(S)ET_IRQ_INFO ioctls
Realize VFIO_DEVICE_GET_IRQ_INFO ioctl to retrieve
VFIO_CCW_IO_IRQ information.
Realize VFIO_DEVICE_SET_IRQS ioctl to set an eventfd fd for
VFIO_CCW_IO_IRQ. Once a write operation to the ccw_io_region
was performed, trigger a signal on this fd.
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: <20170317031743.40128-12-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.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 3fd70ffe9d78..ae461050661a 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -449,8 +449,9 @@ enum { }; /* - * The vfio-ccw bus driver makes use of the following fixed region. - * Unimplemented regions return a size of zero. + * The vfio-ccw bus driver makes use of the following fixed region and + * IRQ index mapping. Unimplemented regions return a size of zero. + * Unimplemented IRQ types return a count of zero. */ enum { @@ -458,6 +459,11 @@ enum { VFIO_CCW_NUM_REGIONS }; +enum { + VFIO_CCW_IO_IRQ_INDEX, + VFIO_CCW_NUM_IRQS +}; + /** * VFIO_DEVICE_GET_PCI_HOT_RESET_INFO - _IORW(VFIO_TYPE, VFIO_BASE + 12, * struct vfio_pci_hot_reset_info) |