> -----Original Message-----
> From: Jason Wang <jasowang@xxxxxxxxxx>
> Sent: Thursday, October 17, 2019 5:49 AM
> To: kvm@xxxxxxxxxxxxxxx; linux-s390@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; intel-
> gfx@xxxxxxxxxxxxxxxxxxxxx; intel-gvt-dev@xxxxxxxxxxxxxxxxxxxxx;
> kwankhede@xxxxxxxxxx; alex.williamson@xxxxxxxxxx; mst@xxxxxxxxxx;
> tiwei.bie@xxxxxxxxx
> Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx;
> cohuck@xxxxxxxxxx; maxime.coquelin@xxxxxxxxxx;
> cunming.liang@xxxxxxxxx; zhihong.wang@xxxxxxxxx;
> rob.miller@xxxxxxxxxxxx; xiao.w.wang@xxxxxxxxx;
> haotian.wang@xxxxxxxxxx; zhenyuw@xxxxxxxxxxxxxxx; zhi.a.wang@xxxxxxxxx;
> jani.nikula@xxxxxxxxxxxxxxx; joonas.lahtinen@xxxxxxxxxxxxxxx;
> rodrigo.vivi@xxxxxxxxx; airlied@xxxxxxxx; daniel@xxxxxxxx;
> farman@xxxxxxxxxxxxx; pasic@xxxxxxxxxxxxx; sebott@xxxxxxxxxxxxx;
> oberpar@xxxxxxxxxxxxx; heiko.carstens@xxxxxxxxxx; gor@xxxxxxxxxxxxx;
> borntraeger@xxxxxxxxxx; akrowiak@xxxxxxxxxxxxx; freude@xxxxxxxxxxxxx;
> lingshan.zhu@xxxxxxxxx; Ido Shamay <idos@xxxxxxxxxxxx>;
> eperezma@xxxxxxxxxx; lulu@xxxxxxxxxx; Parav Pandit
> <parav@xxxxxxxxxxxx>; christophe.de.dinechin@xxxxxxxxx;
> kevin.tian@xxxxxxxxx; stefanha@xxxxxxxxxx; Jason Wang
> <jasowang@xxxxxxxxxx>
> Subject: [PATCH V4 2/6] modpost: add support for mdev class id
>
> Add support to parse mdev class id table.
>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
> ---
> drivers/vfio/mdev/vfio_mdev.c | 2 ++
> scripts/mod/devicetable-offsets.c | 3 +++
> scripts/mod/file2alias.c | 10 ++++++++++
> 3 files changed, 15 insertions(+)
>
> diff --git a/drivers/vfio/mdev/vfio_mdev.c b/drivers/vfio/mdev/vfio_mdev.c
> index 7b24ee9cb8dd..cb701cd646f0 100644
> --- a/drivers/vfio/mdev/vfio_mdev.c
> +++ b/drivers/vfio/mdev/vfio_mdev.c
> @@ -125,6 +125,8 @@ static const struct mdev_class_id id_table[] = {
> { 0 },
> };
>
> +MODULE_DEVICE_TABLE(mdev, id_table);
> +
> static struct mdev_driver vfio_mdev_driver = {
> .name = "vfio_mdev",
> .probe = vfio_mdev_probe,
> diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-
> offsets.c
> index 054405b90ba4..6cbb1062488a 100644
> --- a/scripts/mod/devicetable-offsets.c
> +++ b/scripts/mod/devicetable-offsets.c
> @@ -231,5 +231,8 @@ int main(void)
> DEVID(wmi_device_id);
> DEVID_FIELD(wmi_device_id, guid_string);
>
> + DEVID(mdev_class_id);
> + DEVID_FIELD(mdev_class_id, id);
> +
> return 0;
> }
> diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index
> c91eba751804..d365dfe7c718 100644
> --- a/scripts/mod/file2alias.c
> +++ b/scripts/mod/file2alias.c
> @@ -1335,6 +1335,15 @@ static int do_wmi_entry(const char *filename,
> void *symval, char *alias)
> return 1;
> }
>
> +/* looks like: "mdev:cN" */
> +static int do_mdev_entry(const char *filename, void *symval, char
> +*alias) {
> + DEF_FIELD(symval, mdev_class_id, id);
> +
> + sprintf(alias, "mdev:c%02X", id);
> + return 1;
> +}
> +
> /* Does namelen bytes of name exactly match the symbol? */ static bool
> sym_is(const char *name, unsigned namelen, const char *symbol) { @@ -
> 1407,6 +1416,7 @@ static const struct devtable devtable[] = {
> {"typec", SIZE_typec_device_id, do_typec_entry},
> {"tee", SIZE_tee_client_device_id, do_tee_entry},
> {"wmi", SIZE_wmi_device_id, do_wmi_entry},
> + {"mdev", SIZE_mdev_class_id, do_mdev_entry},
> };
>
> /* Create MODULE_ALIAS() statements.
> --
> 2.19.1
Reviewed-by: Parav Pandit <parav@xxxxxxxxxxxx>
