Date: Fri, 09 Jan 2026 21:25:43 +0000 From: Warner Losh <imp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Alex S <iwtcex@gmail.com> Subject: git: d5e5fed1edfc - main - linux: add hidraw ioctl handler Message-ID: <69617257.ea0b.156c9f4a@gitrepo.freebsd.org>
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The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=d5e5fed1edfc3828f594fa8727d1c62c36b54e16 commit d5e5fed1edfc3828f594fa8727d1c62c36b54e16 Author: Alex S <iwtcex@gmail.com> AuthorDate: 2025-12-31 09:11:53 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2026-01-09 21:18:16 +0000 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 --- sys/compat/linux/linux_ioctl.c | 51 ++++++++++++++++++++++++++++++++++++++++++ sys/compat/linux/linux_ioctl.h | 19 ++++++++++++++++ 2 files changed, 70 insertions(+) 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 @@ -806,6 +806,25 @@ #define LINUX_IOCTL_NVME_MIN LINUX_NVME_IOCTL_ID #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 */home | help
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