diff options
| author | Quentin Thébault <quentin.thebault@defenso.fr> | 2026-06-14 16:34:51 +0000 |
|---|---|---|
| committer | Kyle Evans <kevans@FreeBSD.org> | 2026-06-14 16:34:51 +0000 |
| commit | 746c374aa94b46712e6defb3ab56dd2d6ad8db64 (patch) | |
| tree | fd92df6168dfc1ece1f785e4d5d3c93a1e1b17b8 | |
| parent | 2e1f5b78976ad09bee41e602e75e79a0c3892e59 (diff) | |
evdev: add devnum sysctl
Add a sysctl entry for the evdev device number (devnum) to allow
libudev-devd to populate the corresponding device information
fields (MAJOR and MINOR) when running in a jail with no input devices
exposed through devfs.
Signed-off-by: Quentin Thébault <quentin.thebault@defenso.fr>
Reviewed by: wulf
Sponsored by: Defenso
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D56968
| -rw-r--r-- | sys/dev/evdev/evdev.c | 6 | ||||
| -rw-r--r-- | sys/dev/evdev/evdev_private.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/sys/dev/evdev/evdev.c b/sys/dev/evdev/evdev.c index 4dcd6f23d338..b8628d570a3c 100644 --- a/sys/dev/evdev/evdev.c +++ b/sys/dev/evdev/evdev.c @@ -283,6 +283,11 @@ evdev_sysctl_create(struct evdev_dev *evdev) SYSCTL_CHILDREN(ev_sysctl_tree), OID_AUTO, "sw_bits", CTLFLAG_RD, evdev->ev_sw_flags, sizeof(evdev->ev_sw_flags), "", "Input device supported switch events"); + + SYSCTL_ADD_U64(&evdev->ev_sysctl_ctx, + SYSCTL_CHILDREN(ev_sysctl_tree), OID_AUTO, "devnum", CTLFLAG_RD, + &evdev->ev_devnum, 0, + "Input device number"); } static int @@ -328,6 +333,7 @@ evdev_register_common(struct evdev_dev *evdev) ret = evdev_cdev_create(evdev); if (ret != 0) goto bail_out; + evdev->ev_devnum = dev2udev(evdev->ev_cdev); /* Create sysctls (for device enumeration without /dev/input access rights) */ evdev_sysctl_create(evdev); diff --git a/sys/dev/evdev/evdev_private.h b/sys/dev/evdev/evdev_private.h index 4c371e538598..65da48745dc9 100644 --- a/sys/dev/evdev/evdev_private.h +++ b/sys/dev/evdev/evdev_private.h @@ -114,6 +114,7 @@ struct evdev_dev uid_t ev_cdev_uid; gid_t ev_cdev_gid; int ev_cdev_mode; + dev_t ev_devnum; int ev_unit; enum evdev_lock_type ev_lock_type; struct mtx * ev_state_lock; /* State lock */ |