From: Aleksandar Markovic <amarkovic@wavecomp.com>

Add support for HDIO_GET_WCACHE and HDIO_SET_WCACHE ioctls.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
---
 linux-user/ioctls.h       | 2 ++
 linux-user/syscall_defs.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 895ba35..b54a184 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -435,6 +435,7 @@
   IOCTL(HDIO_GET_DMA, IOC_R, MK_PTR(TYPE_INT))
   IOCTL(HDIO_GET_32BIT, IOC_R, MK_PTR(TYPE_INT))
   IOCTL(HDIO_GET_NICE, IOC_R, MK_PTR(TYPE_INT))
+  IOCTL(HDIO_GET_WCACHE, IOC_R, MK_PTR(TYPE_INT))
   IOCTL(HDIO_DRIVE_CMD, IOC_R, MK_PTR(TYPE_INT))
   IOCTL(HDIO_SET_UNMASKINTR, 0, TYPE_INT)
   IOCTL(HDIO_SET_MULTCOUNT, 0, TYPE_INT)
@@ -444,6 +445,7 @@
   IOCTL(HDIO_SET_32BIT, 0, TYPE_INT)
   IOCTL(HDIO_SET_PIO_MODE, 0, TYPE_INT)
   IOCTL(HDIO_SET_NICE, 0, TYPE_INT)
+  IOCTL(HDIO_SET_WCACHE, 0, TYPE_INT)
 
   IOCTL(VFAT_IOCTL_READDIR_BOTH, IOC_R, MK_PTR(MK_ARRAY(MK_STRUCT(STRUCT_dirent), 2)))
   IOCTL(VFAT_IOCTL_READDIR_SHORT, IOC_R, MK_PTR(MK_ARRAY(MK_STRUCT(STRUCT_dirent), 2)))
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 4e219a1..fb42d32 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1066,6 +1066,7 @@ struct target_format_descr {
 #define TARGET_HDIO_GET_DMA           0x030b  /* get use-dma flag */
 #define TARGET_HDIO_GET_NICE          0x030c  /* get nice flags */
 #define TARGET_HDIO_GET_IDENTITY      0x030d  /* get IDE identification info */
+#define TARGET_HDIO_GET_WCACHE        0x030e  /* get write cache mode on|off */
 #define TARGET_HDIO_DRIVE_CMD         0x031f  /* execute a special drive command */
 
 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
@@ -1077,6 +1078,7 @@ struct target_format_descr {
 #define TARGET_HDIO_SET_DMA           0x0326  /* change use-dma flag */
 #define TARGET_HDIO_SET_PIO_MODE      0x0327  /* reconfig interface to new speed */
 #define TARGET_HDIO_SET_NICE          0x0329  /* set nice flags */
+#define TARGET_HDIO_SET_WCACHE        0x032b  /* change write cache mode */
 
 /* loop ioctls */
 #define TARGET_LOOP_SET_FD            0x4C00
-- 
2.7.4