Commit fff8c539 authored by Andreas Färber's avatar Andreas Färber Committed by Riku Voipio
Browse files

linux-user: Implement BLKPG ioctl 



Signed-off-by: default avatarAndreas Färber <afaerber@suse.de>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarRiku Voipio <riku.voipio@linaro.org>
parent 501bb4b0

linux-user/ioctls.h

+1 −0
Original line number Diff line number Diff line
@@ -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

linux-user/syscall.c

+1 −0
Original line number Diff line number Diff line
@@ -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"

linux-user/syscall_defs.h

+1 −0
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@@ -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)

linux-user/syscall_types.h

+13 −0
Original line number Diff line number Diff line
@@ -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 */