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[5/6] linux-user: Implement BLKPG ioctl

Message ID fff8c539bd69dce14c63827111e9d74e6b961317.1392805802.git.riku.voipio@linaro.org
State Accepted
Commit fff8c539bd69dce14c63827111e9d74e6b961317
Headers show

Commit Message

Riku Voipio Feb. 19, 2014, 10:35 a.m. UTC 
From: Andreas Färber <afaerber@suse.de>

Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---
 linux-user/ioctls.h        |  1 +
 linux-user/syscall.c       |  1 +
 linux-user/syscall_defs.h  |  1 +
 linux-user/syscall_types.h | 13 +++++++++++++
 4 files changed, 16 insertions(+)
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Patch

diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 7381012..309fb21 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -77,6 +77,7 @@ 
      IOCTL(BLKRAGET, IOC_R, MK_PTR(TYPE_LONG))
      IOCTL(BLKSSZGET, IOC_R, MK_PTR(TYPE_LONG))
      IOCTL(BLKBSZGET, IOC_R, MK_PTR(TYPE_INT))
+     IOCTL(BLKPG, IOC_W, MK_PTR(MK_STRUCT(STRUCT_blkpg_ioctl_arg)))
 #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 bb3e4b1..8f5a58e 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -107,6 +107,7 @@  int __clone2(int (*fn)(void *), void *child_stack_base,
 #include <linux/reboot.h>
 #include <linux/route.h>
 #include <linux/filter.h>
+#include <linux/blkpg.h>
 #include "linux_loop.h"
 #include "cpu-uname.h"
 
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index ae30476..3c8869e 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -901,6 +901,7 @@  struct target_pollfd {
 #define TARGET_BLKSECTSET TARGET_IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */
 #define TARGET_BLKSECTGET TARGET_IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */
 #define TARGET_BLKSSZGET  TARGET_IO(0x12,104)/* get block device sector size */
+#define TARGET_BLKPG      TARGET_IO(0x12,105)/* Partition table and disk geometry handling */
 /* A jump here: 108-111 have been used for various private purposes. */
 #define TARGET_BLKBSZGET  TARGET_IOR(0x12, 112, abi_ulong)
 #define TARGET_BLKBSZSET  TARGET_IOW(0x12, 113, abi_ulong)
diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
index 44b6a58..9d0c92d 100644
--- a/linux-user/syscall_types.h
+++ b/linux-user/syscall_types.h
@@ -240,3 +240,16 @@  STRUCT(fiemap,
        TYPE_INT, /* fm_mapped_extents */
        TYPE_INT, /* fm_extent_count */
        TYPE_INT) /* fm_reserved */
+
+STRUCT(blkpg_partition,
+       TYPE_LONGLONG, /* start */
+       TYPE_LONGLONG, /* length */
+       TYPE_INT, /* pno */
+       MK_ARRAY(TYPE_CHAR, BLKPG_DEVNAMELTH), /* devname */
+       MK_ARRAY(TYPE_CHAR, BLKPG_VOLNAMELTH)) /* volname */
+
+STRUCT(blkpg_ioctl_arg,
+       TYPE_INT, /* op */
+       TYPE_INT, /* flags */
+       TYPE_INT, /* datalen */
+       MK_PTR(MK_STRUCT(STRUCT_blkpg_partition))) /* data */