Re: [PATCH v5 16/20] linux-user: Add support for FDFMT<BEG|TRK|END> ioctls

[Laurent Vivier <laurent@vivier.eu>]

Le 13/01/2020 à 21:34, Aleksandar Markovic a écrit :
> From: Aleksandar Markovic <amarkovic@wavecomp.com>
> 
> FDFMTBEG, FDFMTTRK, and FDFMTEND ioctls provide means for controlling
> formatting of a floppy drive.
> 
> FDFMTTRK's third agrument is a pointer to the structure:
> 
> struct format_descr {
>     unsigned int device,head,track;
> };
> 
> defined in Linux kernel header <linux/fd.h>.
> 
> Since all fields of the structure are of type 'unsigned int', there is
> no need to define "target_format_descr".
> 
> FDFMTBEG and FDFMTEND ioctls do not use the third argument.
> 
> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
> ---
>  linux-user/ioctls.h        | 3 +++
>  linux-user/syscall_defs.h  | 3 +++
>  linux-user/syscall_types.h | 5 +++++
>  3 files changed, 11 insertions(+)
> 
> diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
> index 9e3ca90..e754a6b 100644
> --- a/linux-user/ioctls.h
> +++ b/linux-user/ioctls.h
> @@ -115,6 +115,9 @@
>       IOCTL(FDMSGON, 0, TYPE_NULL)
>       IOCTL(FDMSGOFF, 0, TYPE_NULL)
>       IOCTL(FDSETEMSGTRESH, 0, TYPE_NULL)
> +     IOCTL(FDFMTBEG, 0, TYPE_NULL)
> +     IOCTL(FDFMTTRK, IOC_W, MK_PTR(MK_STRUCT(STRUCT_format_descr)))
> +     IOCTL(FDFMTEND, 0, TYPE_NULL)
>       IOCTL(FDFLUSH, 0, TYPE_NULL)
>       IOCTL(FDSETMAXERRS, IOC_W, MK_PTR(MK_STRUCT(STRUCT_floppy_max_errors)))
>       IOCTL(FDGETMAXERRS, IOC_R, MK_PTR(MK_STRUCT(STRUCT_floppy_max_errors)))
> diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
> index efe3860..d85ab46 100644
> --- a/linux-user/syscall_defs.h
> +++ b/linux-user/syscall_defs.h
> @@ -899,6 +899,9 @@ struct target_pollfd {
>  
>  #define TARGET_FDMSGON        TARGET_IO(2, 0x45)
>  #define TARGET_FDMSGOFF       TARGET_IO(2, 0x46)
> +#define TARGET_FDFMTBEG       TARGET_IO(2, 0x47)
> +#define TARGET_FDFMTTRK      TARGET_IOW(2, 0x48, struct format_descr)
> +#define TARGET_FDFMTEND       TARGET_IO(2, 0x49)
>  #define TARGET_FDSETEMSGTRESH TARGET_IO(2, 0x4a)
>  #define TARGET_FDFLUSH        TARGET_IO(2, 0x4b)
>  #define TARGET_FDSETMAXERRS  TARGET_IOW(2, 0x4c, struct floppy_max_errors)
> diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
> index e4e0429..8ff78a6 100644
> --- a/linux-user/syscall_types.h
> +++ b/linux-user/syscall_types.h
> @@ -261,6 +261,11 @@ STRUCT(blkpg_ioctl_arg,
>         TYPE_INT, /* datalen */
>         TYPE_PTRVOID) /* data */
>  
> +STRUCT(format_descr,
> +       TYPE_INT,     /* device */
> +       TYPE_INT,     /* head */
> +       TYPE_INT)     /* track */
> +
>  STRUCT(floppy_max_errors,
>         TYPE_INT, /* abort */
>         TYPE_INT, /* read_track */
> 

Reviewed-by: Laurent Vivier <laurent@vivier.eu>