diff options
| author | Alex S <iwtcex@gmail.com> | 2025-12-31 09:11:53 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2026-01-09 21:18:16 +0000 |
| commit | d5e5fed1edfc3828f594fa8727d1c62c36b54e16 (patch) | |
| tree | aad5d0d9c2dcdc0c3ae80a22957edff85062a4dc | |
| parent | 7b3fb3caef9495cdfcc1c8ec39907defb65ce860 (diff) | |
linux: add hidraw ioctl handler
First step towards getting the Linux version of SDL with HIDAPI gamepad
drivers to work. Not quite complte as SDL expects to find some
information in sysfs as well.
Signed-off-by: Alex S <iwtcex@gmail.com>
Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/1938
| -rw-r--r-- | sys/compat/linux/linux_ioctl.c | 51 | ||||
| -rw-r--r-- | sys/compat/linux/linux_ioctl.h | 19 |
2 files changed, 70 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_ioctl.c b/sys/compat/linux/linux_ioctl.c index f6c239b08ac2..d2fa0331026b 100644 --- a/sys/compat/linux/linux_ioctl.c +++ b/sys/compat/linux/linux_ioctl.c @@ -58,6 +58,7 @@ #include <net/if_types.h> #include <dev/evdev/input.h> +#include <dev/hid/hidraw.h> #include <dev/usb/usb_ioctl.h> #ifdef COMPAT_LINUX32 @@ -113,6 +114,7 @@ DEFINE_LINUX_IOCTL_SET(kcov, KCOV); #ifndef COMPAT_LINUX32 DEFINE_LINUX_IOCTL_SET(nvme, NVME); #endif +DEFINE_LINUX_IOCTL_SET(hidraw, HIDRAW); #undef DEFINE_LINUX_IOCTL_SET @@ -3637,6 +3639,55 @@ linux_ioctl_nvme(struct thread *td, struct linux_ioctl_args *args) } #endif +static int +linux_ioctl_hidraw(struct thread *td, struct linux_ioctl_args *args) +{ + int len = (args->cmd & 0x3fff0000) >> 16; + if (len > 8192) + return (EINVAL); + + switch (args->cmd & 0xffff) { + case LINUX_HIDIOCGRDESCSIZE: + args->cmd = HIDIOCGRDESCSIZE; + break; + case LINUX_HIDIOCGRDESC: + args->cmd = HIDIOCGRDESC; + break; + case LINUX_HIDIOCGRAWINFO: + args->cmd = HIDIOCGRAWINFO; + break; + case LINUX_HIDIOCGRAWNAME: + args->cmd = HIDIOCGRAWNAME(len); + break; + case LINUX_HIDIOCGRAWPHYS: + args->cmd = HIDIOCGRAWPHYS(len); + break; + case LINUX_HIDIOCSFEATURE: + args->cmd = HIDIOCSFEATURE(len); + break; + case LINUX_HIDIOCGFEATURE: + args->cmd = HIDIOCGFEATURE(len); + break; + case LINUX_HIDIOCGRAWUNIQ: + args->cmd = HIDIOCGRAWUNIQ(len); + break; + case LINUX_HIDIOCSINPUT: + args->cmd = HIDIOCSINPUT(len); + break; + case LINUX_HIDIOCGINPUT: + args->cmd = HIDIOCGINPUT(len); + break; + case LINUX_HIDIOCSOUTPUT: + args->cmd = HIDIOCSOUTPUT(len); + break; + case LINUX_HIDIOCGOUTPUT: + args->cmd = HIDIOCGOUTPUT(len); + break; + } + + return (sys_ioctl(td, (struct ioctl_args *)args)); +} + /* * main ioctl syscall function */ diff --git a/sys/compat/linux/linux_ioctl.h b/sys/compat/linux/linux_ioctl.h index d01a30538981..116a4e676228 100644 --- a/sys/compat/linux/linux_ioctl.h +++ b/sys/compat/linux/linux_ioctl.h @@ -807,6 +807,25 @@ #define LINUX_IOCTL_NVME_MAX LINUX_NVME_IOCTL_RESCAN /* + * hidraw + */ +#define LINUX_HIDIOCGRDESCSIZE 0x4801 +#define LINUX_HIDIOCGRDESC 0x4802 +#define LINUX_HIDIOCGRAWINFO 0x4803 +#define LINUX_HIDIOCGRAWNAME 0x4804 +#define LINUX_HIDIOCGRAWPHYS 0x4805 +#define LINUX_HIDIOCSFEATURE 0x4806 +#define LINUX_HIDIOCGFEATURE 0x4807 +#define LINUX_HIDIOCGRAWUNIQ 0x4808 +#define LINUX_HIDIOCSINPUT 0x4809 +#define LINUX_HIDIOCGINPUT 0x480A +#define LINUX_HIDIOCSOUTPUT 0x480B +#define LINUX_HIDIOCGOUTPUT 0x480C + +#define LINUX_IOCTL_HIDRAW_MIN LINUX_HIDIOCGRDESCSIZE +#define LINUX_IOCTL_HIDRAW_MAX LINUX_HIDIOCGOUTPUT + +/* * Pluggable ioctl handlers */ struct linux_ioctl_args; |