From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: [PATCH V10 2/6] modpost: add support for mdev class id Date: Wed, 6 Nov 2019 21:35:27 +0800 Message-ID: <20191106133531.693-3-jasowang__42710.6241740816$1573047579$gmane$org@redhat.com> References: <20191106133531.693-1-jasowang@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191106133531.693-1-jasowang@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, kwankhede@nvidia.com, alex.williamson@redhat.com, mst@redhat.com, tiwei.bie@intel.com Cc: christophe.de.dinechin@gmail.com, sebott@linux.ibm.com, airlied@linux.ie, joonas.lahtinen@linux.intel.com, heiko.carstens@de.ibm.com, virtualization@lists.linux-foundation.org, rob.miller@broadcom.com, lulu@redhat.com, eperezma@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, haotian.wang@sifive.com, zhi.a.wang@intel.com, farman@linux.ibm.com, idos@mellanox.com, gor@linux.ibm.com, zhenyuw@linux.intel.com, rodrigo.vivi@intel.com, xiao.w.wang@intel.com, freude@linux.ibm.com, jani.nikula@linux.intel.com, parav@mellanox.com, zhihong.wang@intel.com, stefanha@redhat.com, akrowiak@linux.ibm.com, netdev@vger.kernel.org, cohuck@redhat.com, oberpar@linux.ibm.com, maxime.coquelin@redhat.com, daniel@ffwll.ch, lingshan.zhu@intel.com List-Id: virtualization@lists.linuxfoundation.org Add support to parse mdev class id table. Reviewed-by: Parav Pandit Reviewed-by: Cornelia Huck Signed-off-by: Jason Wang --- drivers/vfio/mdev/vfio_mdev.c | 2 ++ scripts/mod/devicetable-offsets.c | 3 +++ scripts/mod/file2alias.c | 11 +++++++++++ 3 files changed, 16 insertions(+) diff --git a/drivers/vfio/mdev/vfio_mdev.c b/drivers/vfio/mdev/vfio_mdev.c index 38431e9ef7f5..a6641cd8b5a3 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 vfio_id_table[] = { { 0 }, }; +MODULE_DEVICE_TABLE(mdev, vfio_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..45f1c22f49be 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -1335,6 +1335,16 @@ 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); + add_wildcard(alias); + 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 +1417,7 @@ 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