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linux/samples/vfio-mdev/mtty.c

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docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_device private and abstract interfaces Abstract access to mdev_device so that we can define which interfaces are public rather than relying on comments in the structure. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Jike Song <jike.song@intel.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:44 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_device private and abstract interfaces Abstract access to mdev_device so that we can define which interfaces are public rather than relying on comments in the structure. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Jike Song <jike.song@intel.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:44 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_device private and abstract interfaces Abstract access to mdev_device so that we can define which interfaces are public rather than relying on comments in the structure. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Jike Song <jike.song@intel.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:44 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_device private and abstract interfaces Abstract access to mdev_device so that we can define which interfaces are public rather than relying on comments in the structure. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Jike Song <jike.song@intel.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:44 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_device private and abstract interfaces Abstract access to mdev_device so that we can define which interfaces are public rather than relying on comments in the structure. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Jike Song <jike.song@intel.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:44 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_device private and abstract interfaces Abstract access to mdev_device so that we can define which interfaces are public rather than relying on comments in the structure. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Jike Song <jike.song@intel.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:44 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_device private and abstract interfaces Abstract access to mdev_device so that we can define which interfaces are public rather than relying on comments in the structure. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Jike Song <jike.song@intel.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:44 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_parent private Rather than hoping for good behavior by marking some elements internal, enforce it by making the entire structure private and creating an accessor function for the one useful external field. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Cc: Jike Song <jike.song@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:41 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: buffer overflow in ioctl() This is a sample driver for documentation so the impact is probably pretty low. But we should check that bar_index is valid so we don't write beyond the end of the mdev_state->region_info[] array. Fixes: 9d1a546c53b4 ("docs: Sample driver to demonstrate how to use Mediated device framework.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-01-07 09:28:40 +03:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: buffer overflow in ioctl() This is a sample driver for documentation so the impact is probably pretty low. But we should check that bar_index is valid so we don't write beyond the end of the mdev_state->region_info[] array. Fixes: 9d1a546c53b4 ("docs: Sample driver to demonstrate how to use Mediated device framework.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-01-07 09:28:40 +03:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: return -EFAULT if copy_to_user() fails The copy_to_user() function returns the number of bytes which it wasn't able to copy but we want to return a negative error code. Fixes: 9d1a546c53b4 ("docs: Sample driver to demonstrate how to use Mediated device framework.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-01-07 09:27:49 +03:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: return -EFAULT if copy_to_user() fails The copy_to_user() function returns the number of bytes which it wasn't able to copy but we want to return a negative error code. Fixes: 9d1a546c53b4 ("docs: Sample driver to demonstrate how to use Mediated device framework.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-01-07 09:27:49 +03:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: return -EFAULT if copy_to_user() fails The copy_to_user() function returns the number of bytes which it wasn't able to copy but we want to return a negative error code. Fixes: 9d1a546c53b4 ("docs: Sample driver to demonstrate how to use Mediated device framework.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-01-07 09:27:49 +03:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: Make mdev_device private and abstract interfaces Abstract access to mdev_device so that we can define which interfaces are public rather than relying on comments in the structure. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Jike Song <jike.song@intel.com> Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
2016-12-30 08:13:44 -07:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev/samples: make mdev_fops const and static Make this const as it is only passed to a const argument of the function mdev_register_device. Make it static as it is not referenced in any other file. Structure found using Coccinelle and changes done by hand. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2017-09-30 21:47:24 +05:30
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: fix some error codes in the sample code This is just sample code. We forget to set the error codes in a couple places. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-24 14:27:26 +03:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30
vfio-mdev: fix some error codes in the sample code This is just sample code. We forget to set the error codes in a couple places. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-24 14:27:26 +03:00
docs: Sample driver to demonstrate how to use Mediated device framework. The Sample driver creates mdev device that simulates serial port over PCI card. Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2016-11-17 02:16:33 +05:30