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[Qemu-devel] [PULL v2 13/15] linux-user: Add support for FDFLUSH ioctl
From: |
Laurent Vivier |
Subject: |
[Qemu-devel] [PULL v2 13/15] linux-user: Add support for FDFLUSH ioctl |
Date: |
Wed, 11 Sep 2019 08:49:18 +0200 |
From: Yunqiang Su <address@hidden>
FDFLUSH is used for flushing buffers of floppy drives. Support in
QEMU is needed because some of Debian packages use this ioctl while
running post-build tests. One such example is 'tar' package.
Signed-off-by: Yunqiang Su <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Laurent Vivier <address@hidden>
---
linux-user/ioctls.h | 2 ++
linux-user/syscall.c | 1 +
linux-user/syscall_defs.h | 4 ++++
3 files changed, 7 insertions(+)
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 1830de96e12b..bc1944804220 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -112,6 +112,8 @@
IOCTL(BLKZEROOUT, IOC_W, MK_PTR(MK_ARRAY(TYPE_ULONGLONG, 2)))
#endif
+ IOCTL(FDFLUSH, 0, TYPE_NULL)
+
#ifdef FIBMAP
IOCTL(FIBMAP, IOC_W | IOC_R, MK_PTR(TYPE_LONG))
#endif
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6928f654ced3..e2af3c1494fa 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -89,6 +89,7 @@
#include <linux/kd.h>
#include <linux/mtio.h>
#include <linux/fs.h>
+#include <linux/fd.h>
#if defined(CONFIG_FIEMAP)
#include <linux/fiemap.h>
#endif
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 498223b77787..917202a2035d 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -888,6 +888,10 @@ struct target_pollfd {
#define TARGET_BLKROTATIONAL TARGET_IO(0x12, 126)
#define TARGET_BLKZEROOUT TARGET_IO(0x12, 127)
+/* From <linux/fd.h> */
+
+#define TARGET_FDFLUSH TARGET_IO(2, 0x4b)
+
#define TARGET_FIBMAP TARGET_IO(0x00,1) /* bmap access */
#define TARGET_FIGETBSZ TARGET_IO(0x00,2) /* get the block size used for
bmap */
--
2.21.0
- [Qemu-devel] [PULL v2 00/15] Linux user for 4.2 patches, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 02/15] linux-user: Add AT_HWCAP2 for aarch64-linux-user, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 03/15] linux-user: erroneous fd_trans_unregister call, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 04/15] linux-user: fail and report on bad dfilter specs, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 07/15] linux-user/arm: Adjust MAX_RESERVED_VA for M-profile, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 13/15] linux-user: Add support for FDFLUSH ioctl,
Laurent Vivier <=
- [Qemu-devel] [PULL v2 05/15] linux-user: add memfd_create, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 06/15] linux-user: Pass CPUState to MAX_RESERVED_VA, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 08/15] linux-user: Support gdb 'qOffsets' query for ELF, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 09/15] target/xtensa: linux-user: add call0 ABI support, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 11/15] linux-user: Add support for RNDRESEEDCRNG ioctl, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 01/15] linux-user: remove useless variable, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 10/15] linux-user: drop redundant handling of environment variables, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 12/15] linux-user: Add support for FIOGETOWN and FIOSETOWN ioctls, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 15/15] linux-user: Add support for FDRESET, FDRAWCMD, FDTWADDLE, and FDEJECT ioctls, Laurent Vivier, 2019/09/11
- [Qemu-devel] [PULL v2 14/15] linux-user: Add support for FDMSGON and FDMSGOFF ioctls, Laurent Vivier, 2019/09/11