[PULL,04/17] linux-user: Add support for FS_IOC32_<GET|SET>FLAGS ioctls
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Message ID 20200123082227.2037994-5-laurent@vivier.eu
State New
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Series
  • [PULL,01/17] linux-user:Fix align mistake when mmap guest space
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Commit Message

Laurent Vivier Jan. 23, 2020, 8:22 a.m. UTC
From: Aleksandar Markovic <amarkovic@wavecomp.com>

These FS_IOC32_<GET|SET>FLAGS ioctls are identical to
FS_IOC_<GET|SET>FLAGS ioctls, but without the anomaly of their
number defined as if their third argument is of type long, while
it is treated internally in kernel as is of type int.

Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1579214991-19602-3-git-send-email-aleksandar.markovic@rt-rk.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/ioctls.h       | 2 ++
 linux-user/syscall_defs.h | 2 ++
 2 files changed, 4 insertions(+)

Patch
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diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index c44f42eaf4e7..4fd693984e6a 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -140,6 +140,8 @@ 
      IOCTL(FS_IOC_SETFLAGS, IOC_W, MK_PTR(TYPE_INT))
      IOCTL(FS_IOC_GETVERSION, IOC_R, MK_PTR(TYPE_INT))
      IOCTL(FS_IOC_SETVERSION, IOC_W, MK_PTR(TYPE_INT))
+     IOCTL(FS_IOC32_GETFLAGS, IOC_R, MK_PTR(TYPE_INT))
+     IOCTL(FS_IOC32_SETFLAGS, IOC_W, MK_PTR(TYPE_INT))
 
 #ifdef CONFIG_USBFS
   /* USB ioctls */
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index f68a8b6e8e18..964b2b458dd5 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -920,6 +920,8 @@  struct target_pollfd {
 #define TARGET_FS_IOC_GETVERSION TARGET_IOR('v', 1, abi_long)
 #define TARGET_FS_IOC_SETVERSION TARGET_IOW('v', 2, abi_long)
 #define TARGET_FS_IOC_FIEMAP TARGET_IOWR('f',11,struct fiemap)
+#define TARGET_FS_IOC32_GETFLAGS TARGET_IOR('f', 1, int)
+#define TARGET_FS_IOC32_SETFLAGS TARGET_IOW('f', 2, int)
 
 /* usb ioctls */
 #define TARGET_USBDEVFS_CONTROL TARGET_IOWRU('U', 0)