[PATCH v2 4/5] node_device: detect DASD devices

[Erik Skultety]

On Mon, Sep 14, 2020 at 09:11:46PM +0200, Boris Fiuczynski wrote:
> Make Direct Access Storage Devices (DASDs) available in the node_device driver.
>
> Reviewed-by: Bjoern Walk <bwalk at linux.ibm.com>
> Reviewed-by: Erik Skultety <eskultet at redhat.com>
> Signed-off-by: Boris Fiuczynski <fiuczy at linux.ibm.com>
> ---
>  src/node_device/node_device_udev.c | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>
> diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
> index 38906f5f96..023377fc01 100644
> --- a/src/node_device/node_device_udev.c
> +++ b/src/node_device/node_device_udev.c
> @@ -871,6 +871,19 @@ udevProcessSD(struct udev_device *device,
>  }
>
>
> +static int
> +udevProcessDASD(struct udev_device *device,
> +                virNodeDeviceDefPtr def)
> +{
> +    virNodeDevCapStoragePtr storage = &def->caps->data.storage;
> +
> +    if (udevGetStringSysfsAttr(device, "device/uid", &storage->serial) < 0)
> +        return -1;
> +
> +    return udevProcessDisk(device, def);
> +}
> +
> +
>  /* This function exists to deal with the case in which a driver does
>   * not provide a device type in the usual place, but udev told us it's
>   * a storage device, and we can make a good guess at what kind of
> @@ -891,6 +904,18 @@ udevKludgeStorageType(virNodeDeviceDefPtr def)
>                    def->sysfs_path);
>          return 0;
>      }
> +    /* For Direct Access Storage Devices (DASDs) there are
> +     * currently no identifies in udev besides ID_PATH. Since

s/identifies/identifiers/

Erik