> -----Original Message-----
> From: Jason Wang <[email protected]>
> Sent: Thursday, October 17, 2019 5:49 AM
> To: [email protected]; [email protected]; linux-
> [email protected]; [email protected]; intel-
> [email protected]; [email protected];
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> Cc: [email protected]; [email protected];
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> [email protected]; Ido Shamay <[email protected]>;
> [email protected]; [email protected]; Parav Pandit
> <[email protected]>; [email protected];
> [email protected]; [email protected]; Jason Wang
> <[email protected]>
> 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 <[email protected]>
> ---
> 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 <[email protected]>
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