| Message ID | 1602097455-15658-10-git-send-email-mjrosato@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Retrieve zPCI hardware information from VFIO | expand |
On Wed, 7 Oct 2020 15:04:14 -0400 Matthew Rosato <mjrosato@linux.ibm.com> wrote: > Now that VFIO_DEVICE_GET_INFO supports capability chains, add a helper > function to find specific capabilities in the chain. > > Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> > --- > hw/vfio/common.c | 10 ++++++++++ > include/hw/vfio/vfio-common.h | 2 ++ > 2 files changed, 12 insertions(+) Reviewed-by: Cornelia Huck <cohuck@redhat.com>
diff --git a/hw/vfio/common.c b/hw/vfio/common.c index e47a4d7..7cda9d2 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -849,6 +849,16 @@ vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id) return vfio_get_cap((void *)info, info->cap_offset, id); } +struct vfio_info_cap_header * +vfio_get_device_info_cap(struct vfio_device_info *info, uint16_t id) +{ + if (!(info->flags & VFIO_DEVICE_FLAGS_CAPS)) { + return NULL; + } + + return vfio_get_cap((void *)info, info->cap_offset, id); +} + static int vfio_setup_region_sparse_mmaps(VFIORegion *region, struct vfio_region_info *info) { diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index c78f3ff..3c236ed 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -191,6 +191,8 @@ int vfio_get_dev_region_info(VFIODevice *vbasedev, uint32_t type, bool vfio_has_region_cap(VFIODevice *vbasedev, int region, uint16_t cap_type); struct vfio_info_cap_header * vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id); +struct vfio_info_cap_header * +vfio_get_device_info_cap(struct vfio_device_info *info, uint16_t id); #endif extern const MemoryListener vfio_prereg_listener;
Now that VFIO_DEVICE_GET_INFO supports capability chains, add a helper function to find specific capabilities in the chain. Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> --- hw/vfio/common.c | 10 ++++++++++ include/hw/vfio/vfio-common.h | 2 ++ 2 files changed, 12 insertions(+)