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From: Jason Wang <jasowang@redhat.com>
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: virtualization@lists.linux-foundation.org,
	netdev@vger.kernel.org, cohuck@redhat.com,
	maxime.coquelin@redhat.com, cunming.liang@intel.com,
	zhihong.wang@intel.com, rob.miller@broadcom.com,
	xiao.w.wang@intel.com, haotian.wang@sifive.com,
	zhenyuw@linux.intel.com, zhi.a.wang@intel.com,
	jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com,
	rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch,
	farman@linux.ibm.com, pasic@linux.ibm.com, sebott@linux.ibm.com,
	oberpar@linux.ibm.com, heiko.carstens@de.ibm.com,
	gor@linux.ibm.com, borntraeger@de.ibm.com,
	akrowiak@linux.ibm.com, freude@linux.ibm.com,
	lingshan.zhu@intel.com, idos@mellanox.com, eperezma@redhat.com,
	lulu@redhat.com, parav@mellanox.com,
	christophe.de.dinechin@gmail.com, kevin.tian@intel.com,
	stefanha@redhat.com, Jason Wang <jasowang@redhat.com>
Subject: [PATCH V6 2/6] modpost: add support for mdev class id
Date: Wed, 30 Oct 2019 14:44:40 +0800	[thread overview]
Message-ID: <20191030064444.21166-3-jasowang@redhat.com> (raw)
In-Reply-To: <20191030064444.21166-1-jasowang@redhat.com>

Add support to parse mdev class id table.

Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 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


  parent reply	other threads:[~2019-10-30  6:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-30  6:44 [PATCH V6 0/6] mdev based hardware virtio offloading support Jason Wang
2019-10-30  6:44 ` [PATCH V6 1/6] mdev: class id support Jason Wang
2019-11-01 19:55   ` Parav Pandit
2019-10-30  6:44 ` Jason Wang [this message]
2019-10-30  6:44 ` [PATCH V6 3/6] mdev: introduce device specific ops Jason Wang
2019-11-01 20:11   ` Parav Pandit
2019-11-04  2:51     ` Jason Wang
2019-10-30  6:44 ` [PATCH V6 4/6] mdev: introduce virtio device and its device ops Jason Wang
2019-10-30  6:44 ` [PATCH V6 5/6] virtio: introduce a mdev based transport Jason Wang
2019-10-30  6:44 ` [PATCH V6 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework Jason Wang
2019-10-30 21:23   ` Christoph Hellwig
2019-10-31  1:46     ` Jason Wang
2019-10-31  7:57     ` Zhu, Lingshan

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