From patchwork Sun Mar 15 12:20:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Gang X-Patchwork-Id: 1254992 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=emindsoft.com.cn Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 48gJVx5YCGz9sNg for ; Sun, 15 Mar 2020 23:23:19 +1100 (AEDT) Received: from localhost ([::1]:53574 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jDSIW-0007Fj-EC for incoming@patchwork.ozlabs.org; Sun, 15 Mar 2020 08:23:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44795) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jDSHh-0007Fd-O9 for qemu-devel@nongnu.org; Sun, 15 Mar 2020 08:22:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jDSHg-0004OU-0f for qemu-devel@nongnu.org; Sun, 15 Mar 2020 08:22:25 -0400 Received: from lucky1.263xmail.com ([211.157.147.132]:43908) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jDSHf-0003t5-6L for qemu-devel@nongnu.org; Sun, 15 Mar 2020 08:22:23 -0400 Received: from localhost (unknown [192.168.167.69]) by lucky1.263xmail.com (Postfix) with ESMTP id 61284B446B; Sun, 15 Mar 2020 20:22:12 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from localhost.localdomain (unknown [223.72.82.233]) by smtp.263.net (postfix) whith ESMTP id P20071T140595485996800S1584274925344411_; Sun, 15 Mar 2020 20:22:11 +0800 (CST) X-UNIQUE-TAG: <74b4f6eec1cae0d7cd0169a97dbe721d> X-RL-SENDER: chengang@emindsoft.com.cn X-SENDER: chengang@emindsoft.com.cn X-LOGIN-NAME: chengang@emindsoft.com.cn X-FST-TO: riku.voipio@iki.fi X-SENDER-IP: 223.72.82.233 X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 X-System-Flag: 0 From: chengang@emindsoft.com.cn To: riku.voipio@iki.fi, laurent@vivier.eu Subject: [PATCH v2] linux-user: syscall: ioctls: support DRM_IOCTL_VERSION Date: Sun, 15 Mar 2020 20:20:51 +0800 Message-Id: <20200315122051.9360-1-chengang@emindsoft.com.cn> X-Mailer: git-send-email 2.24.0.308.g228f53135a MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 211.157.147.132 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: Chen Gang , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Chen Gang Another DRM_IOCTL_* commands will be done later. Signed-off-by: Chen Gang --- linux-user/ioctls.h | 2 ++ linux-user/syscall.c | 62 ++++++++++++++++++++++++++++++++++++++ linux-user/syscall_defs.h | 15 +++++++++ linux-user/syscall_types.h | 11 +++++++ 4 files changed, 90 insertions(+) diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h index 0defa1d8c1..3ae32cbfb1 100644 --- a/linux-user/ioctls.h +++ b/linux-user/ioctls.h @@ -574,6 +574,8 @@ IOCTL_SPECIAL(SIOCDELRT, IOC_W, do_ioctl_rt, MK_PTR(MK_STRUCT(STRUCT_rtentry))) + IOCTL_SPECIAL(DRM_IOCTL_VERSION, IOC_RW, do_ioctl_drm, + MK_PTR(MK_STRUCT(STRUCT_drm_version))) #ifdef TARGET_TIOCSTART IOCTL_IGNORE(TIOCSTART) IOCTL_IGNORE(TIOCSTOP) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 8d27d10807..2eb7c91ab4 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -112,6 +112,7 @@ #include #include #include +#include #include "linux_loop.h" #include "uname.h" @@ -5196,6 +5197,67 @@ static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, } #endif +static inline abi_long target_to_host_drmversion(struct drm_version *host_ver, + abi_long target_addr) +{ + struct target_drm_version *target_ver; + + if (!lock_user_struct(VERIFY_READ, target_ver, target_addr, 0)) { + return -TARGET_EFAULT; + } + __get_user(host_ver->name_len, &target_ver->name_len); + host_ver->name = host_ver->name_len ? g2h(target_ver->name) : NULL; + __get_user(host_ver->date_len, &target_ver->date_len); + host_ver->date = host_ver->date_len ? g2h(target_ver->date) : NULL; + __get_user(host_ver->desc_len, &target_ver->desc_len); + host_ver->desc = host_ver->desc_len ? g2h(target_ver->desc) : NULL; + unlock_user_struct(target_ver, target_addr, 0); + return 0; +} + +static inline abi_long host_to_target_drmversion(abi_ulong target_addr, + struct drm_version *host_ver) +{ + struct target_drm_version *target_ver; + + if (!lock_user_struct(VERIFY_WRITE, target_ver, target_addr, 0)) { + return -TARGET_EFAULT; + } + __put_user(host_ver->version_major, &target_ver->version_major); + __put_user(host_ver->version_minor, &target_ver->version_minor); + __put_user(host_ver->version_patchlevel, &target_ver->version_patchlevel); + __put_user(host_ver->name_len, &target_ver->name_len); + __put_user(host_ver->date_len, &target_ver->date_len); + __put_user(host_ver->desc_len, &target_ver->desc_len); + unlock_user_struct(target_ver, target_addr, 0); + return 0; +} + +static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp, + int fd, int cmd, abi_long arg) +{ + struct drm_version *ver; + abi_long ret; + + switch (ie->host_cmd) { + case DRM_IOCTL_VERSION: + ver = (struct drm_version *)buf_temp; + memset(ver, 0, sizeof(*ver)); + ret = target_to_host_drmversion(ver, arg); + if (is_error(ret)) { + return ret; + } + ret = get_errno(safe_ioctl(fd, ie->host_cmd, ver)); + if (is_error(ret)) { + return ret; + } + ret = host_to_target_drmversion(arg, ver); + return ret; + } + return -TARGET_EFAULT; +} + + static IOCTLEntry ioctl_entries[] = { #define IOCTL(cmd, access, ...) \ { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 152ec637cb..3c261cff0e 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -1167,6 +1167,9 @@ struct target_rtc_pll_info { #define TARGET_DM_TARGET_MSG TARGET_IOWRU(0xfd, 0x0e) #define TARGET_DM_DEV_SET_GEOMETRY TARGET_IOWRU(0xfd, 0x0f) +/* drm ioctls */ +#define TARGET_DRM_IOCTL_VERSION TARGET_IOWRU('d', 0x00) + /* from asm/termbits.h */ #define TARGET_NCC 8 @@ -2598,6 +2601,18 @@ struct target_mq_attr { abi_long mq_curmsgs; }; +struct target_drm_version { + int version_major; + int version_minor; + int version_patchlevel; + abi_ulong name_len; + abi_ulong name; + abi_ulong date_len; + abi_ulong date; + abi_ulong desc_len; + abi_ulong desc; +}; + #include "socket.h" #include "errno_defs.h" diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h index 4e12c1661e..e2b0484f50 100644 --- a/linux-user/syscall_types.h +++ b/linux-user/syscall_types.h @@ -292,6 +292,17 @@ STRUCT(dm_target_versions, STRUCT(dm_target_msg, TYPE_ULONGLONG) /* sector */ +STRUCT(drm_version, + TYPE_INT, /* version_major */ + TYPE_INT, /* version_minor */ + TYPE_INT, /* version_patchlevel */ + TYPE_ULONG, /* name_len */ + TYPE_PTRVOID, /* name */ + TYPE_ULONG, /* date_len */ + TYPE_PTRVOID, /* date */ + TYPE_ULONG, /* desc_len */ + TYPE_PTRVOID) /* desc */ + STRUCT(file_clone_range, TYPE_LONGLONG, /* src_fd */ TYPE_ULONGLONG, /* src_offset */