[PULL,05/17] linux-user: Add support for FS_IOC32_<GET|SET>VERSION ioctls
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Message ID 20200123082227.2037994-6-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>VERSION ioctls are identical to
FS_IOC_<GET|SET>VERSION 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: <1579214991-19602-4-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 4fd693984e6a..3affd8814a86 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -142,6 +142,8 @@ 
      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))
+     IOCTL(FS_IOC32_GETVERSION, IOC_R, MK_PTR(TYPE_INT))
+     IOCTL(FS_IOC32_SETVERSION, 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 964b2b458dd5..a73cc3d06790 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -922,6 +922,8 @@  struct target_pollfd {
 #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)
+#define TARGET_FS_IOC32_GETVERSION TARGET_IOR('v', 1, int)
+#define TARGET_FS_IOC32_SETVERSION TARGET_IOW('v', 2, int)
 
 /* usb ioctls */
 #define TARGET_USBDEVFS_CONTROL TARGET_IOWRU('U', 0)