From: Parav Pandit <parav@mellanox.com>
To: alex.williamson@redhat.com, jiri@mellanox.com,
kwankhede@nvidia.com, cohuck@redhat.com, davem@davemloft.net
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, Parav Pandit <parav@mellanox.com>
Subject: [PATCH 4/4] mtty: Optionally support mtty alias
Date: Mon, 26 Aug 2019 15:41:19 -0500 [thread overview]
Message-ID: <20190826204119.54386-5-parav@mellanox.com> (raw)
In-Reply-To: <20190826204119.54386-1-parav@mellanox.com>
Provide a module parameter to set alias length to optionally generate
mdev alias.
Example to request mdev alias.
$ modprobe mtty alias_length=12
Signed-off-by: Parav Pandit <parav@mellanox.com>
---
samples/vfio-mdev/mtty.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
index 92e770a06ea2..92208245b057 100644
--- a/samples/vfio-mdev/mtty.c
+++ b/samples/vfio-mdev/mtty.c
@@ -1410,6 +1410,15 @@ static struct attribute_group *mdev_type_groups[] = {
NULL,
};
+static unsigned int mtty_alias_length;
+module_param_named(alias_length, mtty_alias_length, uint, 0444);
+MODULE_PARM_DESC(alias_length, "mdev alias length; default=0");
+
+static unsigned int mtty_get_alias_length(void)
+{
+ return mtty_alias_length;
+}
+
static const struct mdev_parent_ops mdev_fops = {
.owner = THIS_MODULE,
.dev_attr_groups = mtty_dev_groups,
@@ -1422,6 +1431,7 @@ static const struct mdev_parent_ops mdev_fops = {
.read = mtty_read,
.write = mtty_write,
.ioctl = mtty_ioctl,
+ .get_alias_length = mtty_get_alias_length
};
static void mtty_device_release(struct device *dev)
--
2.19.2
next prev parent reply other threads:[~2019-08-26 20:41 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-26 20:41 [PATCH 0/4] Introduce variable length mdev alias Parav Pandit
2019-08-26 20:41 ` [PATCH 1/4] mdev: Introduce sha1 based " Parav Pandit
2019-08-27 1:44 ` Alex Williamson
2019-08-27 1:51 ` Alex Williamson
2019-08-27 4:24 ` Parav Pandit
2019-08-27 10:24 ` Cornelia Huck
2019-08-27 11:12 ` Parav Pandit
2019-08-27 11:24 ` Cornelia Huck
2019-08-27 11:33 ` Parav Pandit
2019-08-27 11:41 ` Cornelia Huck
2019-08-27 11:57 ` Parav Pandit
2019-08-27 13:35 ` Cornelia Huck
2019-08-27 16:50 ` Alex Williamson
2019-08-27 11:16 ` Parav Pandit
2019-08-26 20:41 ` [PATCH 2/4] mdev: Make mdev alias unique among all mdevs Parav Pandit
2019-08-26 23:02 ` Mark Bloch
2019-08-27 4:28 ` Parav Pandit
2019-08-27 15:23 ` Alex Williamson
2019-08-27 16:16 ` Parav Pandit
2019-08-27 10:29 ` Cornelia Huck
2019-08-27 11:08 ` Parav Pandit
2019-08-27 11:29 ` Cornelia Huck
2019-08-27 15:28 ` Alex Williamson
2019-08-27 15:39 ` Cornelia Huck
2019-08-27 16:13 ` Parav Pandit
2019-08-27 16:24 ` Alex Williamson
2019-08-27 18:54 ` Parav Pandit
2019-08-26 20:41 ` [PATCH 3/4] mdev: Expose mdev alias in sysfs tree Parav Pandit
2019-08-27 1:53 ` Alex Williamson
2019-08-27 3:30 ` Parav Pandit
2019-08-27 10:47 ` Cornelia Huck
2019-08-27 11:07 ` Parav Pandit
2019-08-27 11:34 ` Cornelia Huck
2019-08-27 11:52 ` Parav Pandit
2019-08-27 11:55 ` Cornelia Huck
2019-08-27 12:00 ` Parav Pandit
2019-08-26 20:41 ` Parav Pandit [this message]
2019-08-27 13:11 ` [PATCH 0/4] Introduce variable length mdev alias Parav Pandit
2019-08-27 13:31 ` Cornelia Huck
2019-08-27 17:48 ` Alex Williamson
2019-08-27 18:11 ` Parav Pandit
2019-08-27 19:16 ` [PATCH v1 0/5] " Parav Pandit
2019-08-27 19:16 ` [PATCH v1 1/5] mdev: Introduce sha1 based " Parav Pandit
2019-08-28 21:25 ` Alex Williamson
2019-08-28 21:34 ` Alex Williamson
2019-08-29 9:07 ` Parav Pandit
2019-08-29 9:06 ` Parav Pandit
2019-08-27 19:16 ` [PATCH v1 2/5] mdev: Make mdev alias unique among all mdevs Parav Pandit
2019-08-28 21:36 ` Alex Williamson
2019-08-29 9:07 ` Parav Pandit
2019-08-27 19:16 ` [PATCH v1 3/5] mdev: Expose mdev alias in sysfs tree Parav Pandit
2019-08-27 19:16 ` [PATCH v1 4/5] mdev: Update sysfs documentation Parav Pandit
2019-08-27 19:16 ` [PATCH v1 5/5] mtty: Optionally support mtty alias Parav Pandit
2019-08-29 11:18 ` [PATCH v2 0/6] Introduce variable length mdev alias Parav Pandit
2019-08-29 11:18 ` [PATCH v2 1/6] mdev: Introduce sha1 based " Parav Pandit
2019-08-29 12:26 ` Yunsheng Lin
2019-08-30 2:27 ` Parav Pandit
2019-08-30 9:17 ` Cornelia Huck
2019-08-30 12:33 ` Parav Pandit
2019-08-30 12:39 ` Cornelia Huck
2019-08-30 12:58 ` Parav Pandit
2019-08-30 14:02 ` Cornelia Huck
2019-08-30 15:45 ` Parav Pandit
2019-09-02 14:46 ` Cornelia Huck
2019-09-03 3:47 ` Parav Pandit
2019-08-29 11:19 ` [PATCH v2 2/6] mdev: Make mdev alias unique among all mdevs Parav Pandit
2019-08-29 12:31 ` Yunsheng Lin
2019-08-30 12:40 ` Cornelia Huck
2019-08-30 12:59 ` Parav Pandit
2019-08-29 11:19 ` [PATCH v2 3/6] mdev: Expose mdev alias in sysfs tree Parav Pandit
2019-08-29 11:19 ` [PATCH v2 4/6] mdev: Introduce an API mdev_alias Parav Pandit
2019-08-29 11:19 ` [PATCH v2 5/6] mdev: Update sysfs documentation Parav Pandit
2019-08-30 12:49 ` Cornelia Huck
2019-08-30 13:10 ` Parav Pandit
2019-09-02 14:36 ` Cornelia Huck
2019-09-03 3:53 ` Parav Pandit
2019-08-29 11:19 ` [PATCH v2 6/6] mtty: Optionally support mtty alias Parav Pandit
2019-09-02 4:24 ` [PATCH v3 0/5] Introduce variable length mdev alias Parav Pandit
2019-09-02 4:24 ` [PATCH v3 1/5] mdev: Introduce sha1 based " Parav Pandit
2019-09-17 10:03 ` Cornelia Huck
2019-09-02 4:24 ` [PATCH v3 2/5] mdev: Make mdev alias unique among all mdevs Parav Pandit
2019-09-17 10:04 ` Cornelia Huck
2019-09-02 4:24 ` [PATCH v3 3/5] mdev: Expose mdev alias in sysfs tree Parav Pandit
2019-09-17 10:08 ` Cornelia Huck
2019-09-02 4:24 ` [PATCH v3 4/5] mdev: Introduce an API mdev_alias Parav Pandit
2019-09-17 10:10 ` Cornelia Huck
2019-09-02 4:24 ` [PATCH v3 5/5] mtty: Optionally support mtty alias Parav Pandit
2019-09-09 20:42 ` [PATCH v3 0/5] Introduce variable length mdev alias Parav Pandit
2019-09-11 13:56 ` Alex Williamson
2019-09-11 15:30 ` Parav Pandit
2019-09-11 16:29 ` Cornelia Huck
2019-09-11 16:38 ` Parav Pandit
2019-09-13 21:32 ` Alex Williamson
2019-09-13 23:19 ` Parav Pandit
2019-09-17 10:13 ` Cornelia Huck
2019-09-18 17:15 ` Parav Pandit
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