diff options
| author | Yi Liu <yi.l.liu@intel.com> | 2023-11-21 16:44:01 +0800 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2023-12-19 19:03:38 +0100 |
| commit | d6b5c4c1b516a8176b74ec35a0af8cf89b04b6c1 (patch) | |
| tree | 4410f17ee6d5824cf7a85c615fd1faa568d6f092 /include | |
| parent | 6e6d8ac62b5b38dc9d4b69ffdf073f0a0b43b7be (diff) | |
util/char_dev: Add open_cdev()
/dev/vfio/devices/vfioX may not exist. In that case it is still possible
to open /dev/char/$major:$minor instead. Add helper function to abstract
the cdev open.
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu/chardev_open.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/qemu/chardev_open.h b/include/qemu/chardev_open.h new file mode 100644 index 0000000000..64e8fcfdcb --- /dev/null +++ b/include/qemu/chardev_open.h @@ -0,0 +1,16 @@ +/* + * QEMU Chardev Helper + * + * Copyright (C) 2023 Intel Corporation. + * + * Authors: Yi Liu <yi.l.liu@intel.com> + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + */ + +#ifndef QEMU_CHARDEV_OPEN_H +#define QEMU_CHARDEV_OPEN_H + +int open_cdev(const char *devpath, dev_t cdev); +#endif |