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spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59300 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kAJCs-0007ge-42 for qemu-devel@archiver.kernel.org; Mon, 24 Aug 2020 16:36:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59458) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kAJCE-0006qs-PD for qemu-devel@nongnu.org; Mon, 24 Aug 2020 16:36:02 -0400 Received: from mout.kundenserver.de ([212.227.126.130]:33267) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kAJCC-0007aN-Ta for qemu-devel@nongnu.org; Mon, 24 Aug 2020 16:36:02 -0400 Received: from [192.168.100.1] ([82.252.135.186]) by mrelayeu.kundenserver.de (mreue012 [213.165.67.103]) with ESMTPSA (Nemesis) id 1MQgtC-1jwdxq0rEU-00NhvR; Mon, 24 Aug 2020 22:35:56 +0200 Subject: Re: [PATCH v2] linux-user: syscall: ioctls: support DRM_IOCTL_I915_GETPARAM To: chengang@emindsoft.com.cn References: <20200802133938.12055-1-chengang@emindsoft.com.cn> From: Laurent Vivier Autocrypt: addr=laurent@vivier.eu; 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envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/24 16:34:54 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, NICE_REPLY_A=-2.25, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Le 02/08/2020 à 15:39, chengang@emindsoft.com.cn a écrit : > From: Chen Gang > > Another DRM_IOCTL_I915 patches will be sent next. > > Signed-off-by: Chen Gang > --- > linux-user/ioctls.h | 3 +++ > linux-user/syscall.c | 35 +++++++++++++++++++++++++++++++++++ > linux-user/syscall_defs.h | 8 ++++++++ > linux-user/syscall_types.h | 4 ++++ > 4 files changed, 50 insertions(+) > > diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h > index 0713ae1311..e2fc09b5a5 100644 > --- a/linux-user/ioctls.h > +++ b/linux-user/ioctls.h > @@ -581,6 +581,9 @@ > #ifdef HAVE_DRM_H > IOCTL_SPECIAL(DRM_IOCTL_VERSION, IOC_RW, do_ioctl_drm, > MK_PTR(MK_STRUCT(STRUCT_drm_version))) > + > + IOCTL_SPECIAL(DRM_IOCTL_I915_GETPARAM, IOC_RW, do_ioctl_drm_i915, > + MK_PTR(MK_STRUCT(STRUCT_drm_i915_getparam))) > #endif > > #ifdef TARGET_TIOCSTART > diff --git a/linux-user/syscall.c b/linux-user/syscall.c > index 945fc25279..b0e15f373c 100644 > --- a/linux-user/syscall.c > +++ b/linux-user/syscall.c > @@ -114,6 +114,7 @@ > #include > #ifdef HAVE_DRM_H > #include > +#include > #endif > #include "linux_loop.h" > #include "uname.h" > @@ -5413,6 +5414,40 @@ static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp, > return -TARGET_ENOSYS; > } > > +static abi_long do_ioctl_drm_i915_getparam(const IOCTLEntry *ie, > + struct drm_i915_getparam *gparam, > + int fd, abi_long arg) > +{ > + abi_long ret; > + int value; > + struct target_drm_i915_getparam *target_gparam; > + > + if (!lock_user_struct(VERIFY_READ, target_gparam, arg, 0)) { > + return -TARGET_EFAULT; > + } > + > + __get_user(gparam->param, &target_gparam->param); > + gparam->value = &value; > + ret = get_errno(safe_ioctl(fd, ie->host_cmd, gparam)); > + put_user_s32(value, target_gparam->value); > + > + unlock_user_struct(target_gparam, arg, 0); > + return ret; > +} > + > +static abi_long do_ioctl_drm_i915(const IOCTLEntry *ie, uint8_t *buf_temp, > + int fd, int cmd, abi_long arg) > +{ > + switch (ie->host_cmd) { > + case DRM_IOCTL_I915_GETPARAM: > + return do_ioctl_drm_i915_getparam(ie, > + (struct drm_i915_getparam *)buf_temp, > + fd, arg); > + default: > + return -TARGET_ENOSYS; > + } > +} > + > #endif > > IOCTLEntry ioctl_entries[] = { > diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h > index 3c261cff0e..5a1692aa26 100644 > --- a/linux-user/syscall_defs.h > +++ b/linux-user/syscall_defs.h > @@ -1170,6 +1170,9 @@ struct target_rtc_pll_info { > /* drm ioctls */ > #define TARGET_DRM_IOCTL_VERSION TARGET_IOWRU('d', 0x00) > > +/* drm i915 ioctls */ > +#define TARGET_DRM_IOCTL_I915_GETPARAM TARGET_IOWRU('d', 0x46) > + > /* from asm/termbits.h */ > > #define TARGET_NCC 8 > @@ -2613,6 +2616,11 @@ struct target_drm_version { > abi_ulong desc; > }; > > +struct target_drm_i915_getparam { > + int param; > + abi_ulong value; > +}; > + > #include "socket.h" > > #include "errno_defs.h" > diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h > index 3f1f033464..12bf3484e2 100644 > --- a/linux-user/syscall_types.h > +++ b/linux-user/syscall_types.h > @@ -325,6 +325,10 @@ STRUCT(drm_version, > TYPE_ULONG, /* desc_len */ > TYPE_PTRVOID) /* desc */ > > +STRUCT(drm_i915_getparam, > + TYPE_INT, /* param */ > + TYPE_PTRVOID) /* value */ > + > STRUCT(file_clone_range, > TYPE_LONGLONG, /* src_fd */ > TYPE_ULONGLONG, /* src_offset */ > Applied to my linux-user-for-5.2 branch. Thanks, Laurent