[RFC PATCH v4 1/1] drm: implement decoding of DRM ioctls

Zhibin Li haoyouab at gmail.com
Wed Aug 14 14:59:35 UTC 2019


Oh sorry, I just realized that those changes like
print_uint16_array_member()
or new macros should be sent in a separate patch. They are common changes
instead of DRM specific ones.

On Tue, Aug 13, 2019 at 12:42 AM Zhibin Li <haoyouab at gmail.com> wrote:

> * drm_mpers.c: New file.
> * drm.c: Likewise.
> * linux/drm/drm.h: Likewise.
> * linux/drm/drm_mode.h: Likewise.
> * defs.h (drm_decode_number,print_uint16_array_member,
> drm_ioctl): New prototype.
> (drm_ctx_flags, drm_mode_flags, drm_mode_type): New xlat prototype.
> (umove_nor_syserror): New macro, a wrapper for umove and syserror.
> * ioctl.c (ioctl_decode): Call drm_ioctl for ioctl type 'd'.
> (ioctl_decode_command_number): Call drm_decode_number for ioctl type 'd'.
> * Makefile.am (strace_SOURCES): Add drm.c and drm_mpers.c.
> (EXTRA_DIST): Add linux/drm/drm.h and linux/drm/drm_mode.h.
> * print_fields.h (PRINT_FIELD_DRM_CRTC_ID): New macro. A wrapper of
> PRINT_FIELD_U for drm crtc_id fields.
> * util.c (print_uint16_array_member): New function.
> * xlat/drm_buf_desc_flags.in: New file.
> * xlat/drm_capability.in: Likewise.
> * xlat/drm_client_capability.in: Likewise.
> * xlat/drm_control_func.in: Likewise.
> * xlat/drm_crtc_sequence_flags.in: Likewise.
> * xlat/drm_ctx_flags.in: Likewise.
> * xlat/drm_lock_flags.in: Likewise.
> * xlat/drm_map_flags.in: Likewise.
> * xlat/drm_map_type.in: Likewise.
> * xlat/drm_mode_atomic_flags.in: Likewise.
> * xlat/drm_mode_create_lease_flags.in: Likewise.
> * xlat/drm_mode_cursor_flags.in: Likewise.
> * xlat/drm_mode_encoder_type.in: Likewise.
> * xlat/drm_mode_fb_cmd2_flags.in: Likewise.
> * xlat/drm_mode_fb_dirty_cmd_flags.in: Likewise.
> * xlat/drm_mode_flags.in: Likewise.
> * xlat/drm_mode_get_property_flags.: Likewise.in
> * xlat/drm_mode_page_flip_flags.in: Likewise.
> * xlat/drm_mode_set_plane_flags.in: Likewise.
> * xlat/drm_mode_type.in: Likewise.
> * xlat/drm_modeset_cmd.in: Likewise.
> * xlat/drm_prime_handle_flags.in
> * xlat/drm_syncobj_fd_to_handle_flags.in: Likewise.
> * xlat/drm_syncobj_flags.in: Likewise.
> * xlat/drm_syncobj_handle_to_fd_flags.in: Likewise.
> * xlat/drm_syncobj_wait_flags.in: Likewise.
> * xlat/drm_vblank_seq_type.in: Likewise.
> * xlat/drm_vblank_seq_type_flags.in: Likewise.
>
> Co-authored-by: Patrik Jakobsson <patrik.r.jakobsson at gmail.com>
> ---
>  Makefile.am                            |    4 +
>  defs.h                                 |   13 +
>  drm.c                                  | 1553 ++++++++++++++++++++++++
>  drm_mpers.c                            |  882 ++++++++++++++
>  ioctl.c                                |    4 +
>  linux/drm/drm.h                        | 1042 ++++++++++++++++
>  linux/drm/drm_mode.h                   |  914 ++++++++++++++
>  print_fields.h                         |    3 +
>  util.c                                 |    9 +
>  xlat/drm_buf_desc_flags.in             |    6 +
>  xlat/drm_capability.in                 |   15 +
>  xlat/drm_client_capability.in          |    6 +
>  xlat/drm_control_func.in               |    5 +
>  xlat/drm_crtc_sequence_flags.in        |    3 +
>  xlat/drm_ctx_flags.in                  |    3 +
>  xlat/drm_lock_flags.in                 |    7 +
>  xlat/drm_map_flags.in                  |    9 +
>  xlat/drm_map_type.in                   |    7 +
>  xlat/drm_mode_atomic_flags.in          |    6 +
>  xlat/drm_mode_create_lease_flags.in    |    2 +
>  xlat/drm_mode_cursor_flags.in          |    3 +
>  xlat/drm_mode_encoder_type.in          |   10 +
>  xlat/drm_mode_fb_cmd2_flags.in         |    3 +
>  xlat/drm_mode_fb_dirty_cmd_flags.in    |    3 +
>  xlat/drm_mode_flags.in                 |    6 +
>  xlat/drm_mode_get_property_flags.in    |    9 +
>  xlat/drm_mode_page_flip_flags.in       |    5 +
>  xlat/drm_mode_set_plane_flags.in       |    3 +
>  xlat/drm_mode_type.in                  |    8 +
>  xlat/drm_modeset_cmd.in                |    3 +
>  xlat/drm_prime_handle_flags.in         |    2 +
>  xlat/drm_syncobj_fd_to_handle_flags.in |    2 +
>  xlat/drm_syncobj_flags.in              |    2 +
>  xlat/drm_syncobj_handle_to_fd_flags.in |    1 +
>  xlat/drm_syncobj_wait_flags.in         |    4 +
>  xlat/drm_vblank_seq_type.in            |    3 +
>  xlat/drm_vblank_seq_type_flags.in      |    6 +
>  37 files changed, 4566 insertions(+)
>  create mode 100644 drm.c
>  create mode 100644 drm_mpers.c
>  create mode 100644 linux/drm/drm.h
>  create mode 100644 linux/drm/drm_mode.h
>  create mode 100644 xlat/drm_buf_desc_flags.in
>  create mode 100644 xlat/drm_capability.in
>  create mode 100644 xlat/drm_client_capability.in
>  create mode 100644 xlat/drm_control_func.in
>  create mode 100644 xlat/drm_crtc_sequence_flags.in
>  create mode 100644 xlat/drm_ctx_flags.in
>  create mode 100644 xlat/drm_lock_flags.in
>  create mode 100644 xlat/drm_map_flags.in
>  create mode 100644 xlat/drm_map_type.in
>  create mode 100644 xlat/drm_mode_atomic_flags.in
>  create mode 100644 xlat/drm_mode_create_lease_flags.in
>  create mode 100644 xlat/drm_mode_cursor_flags.in
>  create mode 100644 xlat/drm_mode_encoder_type.in
>  create mode 100644 xlat/drm_mode_fb_cmd2_flags.in
>  create mode 100644 xlat/drm_mode_fb_dirty_cmd_flags.in
>  create mode 100644 xlat/drm_mode_flags.in
>  create mode 100644 xlat/drm_mode_get_property_flags.in
>  create mode 100644 xlat/drm_mode_page_flip_flags.in
>  create mode 100644 xlat/drm_mode_set_plane_flags.in
>  create mode 100644 xlat/drm_mode_type.in
>  create mode 100644 xlat/drm_modeset_cmd.in
>  create mode 100644 xlat/drm_prime_handle_flags.in
>  create mode 100644 xlat/drm_syncobj_fd_to_handle_flags.in
>  create mode 100644 xlat/drm_syncobj_flags.in
>  create mode 100644 xlat/drm_syncobj_handle_to_fd_flags.in
>  create mode 100644 xlat/drm_syncobj_wait_flags.in
>  create mode 100644 xlat/drm_vblank_seq_type.in
>  create mode 100644 xlat/drm_vblank_seq_type_flags.in
>
> diff --git a/Makefile.am b/Makefile.am
> index 25a81f2c..388a7620 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -101,6 +101,8 @@ strace_SOURCES =    \
>         dirent.c        \
>         dirent64.c      \
>         dm.c            \
> +       drm.c           \
> +       drm_mpers.c     \
>         dyxlat.c        \
>         empty.h         \
>         epoll.c         \
> @@ -538,6 +540,8 @@ EXTRA_DIST =                                \
>         linux/csky/syscallent.h         \
>         linux/bfin/userent.h            \
>         linux/check_scno.c              \
> +       linux/drm/drm.h                 \
> +       linux/drm/drm_mode.h            \
>         linux/dummy.h                   \
>         linux/errnoent.h                \
>         linux/getregs_old.h             \
> diff --git a/defs.h b/defs.h
> index 003cc228..1eb699c5 100644
> --- a/defs.h
> +++ b/defs.h
> @@ -313,6 +313,9 @@ extern const struct xlat arp_hardware_types[];
>  extern const struct xlat at_flags[];
>  extern const struct xlat clocknames[];
>  extern const struct xlat dirent_types[];
> +extern const struct xlat drm_ctx_flags[];
> +extern const struct xlat drm_mode_flags[];
> +extern const struct xlat drm_mode_type[];
>  extern const struct xlat ethernet_protocols[];
>  extern const struct xlat inet_protocols[];
>  extern const struct xlat evdev_abs[];
> @@ -508,6 +511,12 @@ umoven(struct tcb *, kernel_ulong_t addr, unsigned
> int len, void *laddr);
>  # define umove(pid, addr, objp)        \
>         umoven((pid), (addr), sizeof(*(objp)), (void *) (objp))
>
> +/**
> + * @return true on success, false on error.
> + */
> +# define umove_nor_syserror(tcp, arg, objp) \
> +       (!syserror(tcp) && !umove(tcp, arg, objp))
> +
>  /**
>   * @return true on success, false on error.
>   */
> @@ -769,6 +778,8 @@ extern void print_kernel_version(unsigned long
> version);
>  extern void print_abnormal_hi(kernel_ulong_t);
>  extern void print_ioprio(unsigned int ioprio);
>
> +extern bool print_uint16_array_member(struct tcb *, void *elem_buf,
> +                                     size_t elem_size, void *data);
>  extern bool print_int32_array_member(struct tcb *, void *elem_buf,
>                                      size_t elem_size, void *data);
>  extern bool print_uint32_array_member(struct tcb *, void *elem_buf,
> @@ -924,6 +935,7 @@ name ## _ioctl(struct tcb *, unsigned int request,
> kernel_ulong_t arg)      \
>  /* End of DECL_IOCTL definition. */
>
>  DECL_IOCTL(dm);
> +DECL_IOCTL(drm);
>  DECL_IOCTL(evdev);
>  DECL_IOCTL(file);
>  DECL_IOCTL(fs_x);
> @@ -941,6 +953,7 @@ DECL_IOCTL(uffdio);
>
>  extern int decode_sg_io_v4(struct tcb *, const kernel_ulong_t arg);
>  extern void print_evdev_ff_type(const kernel_ulong_t val);
> +extern int drm_decode_number(struct tcb *, const unsigned int code);
>
>  struct nlmsghdr;
>
> diff --git a/drm.c b/drm.c
> new file mode 100644
> index 00000000..c754b16a
> --- /dev/null
> +++ b/drm.c
> @@ -0,0 +1,1553 @@
> +/*
> + * Copyright (c) 2015 Intel Corporation
> + * Copyright (c) 2019 Patrik Jakobsson <pjakobsson at suse.de>
> + * Copyright (c) 2019 The strace developers.
> + * All rights reserved.
> + *
> + * SPDX-License-Identifier: LGPL-2.1-or-later
> + */
> +
> +#include "defs.h"
> +#include "print_fields.h"
> +#include <drm/drm.h>
> +
> +#include "xlat/drm_capability.h"
> +#include "xlat/drm_client_capability.h"
> +#include "xlat/drm_control_func.h"
> +#include "xlat/drm_crtc_sequence_flags.h"
> +#include "xlat/drm_ctx_flags.h"
> +#include "xlat/drm_lock_flags.h"
> +#include "xlat/drm_modeset_cmd.h"
> +#include "xlat/drm_mode_atomic_flags.h"
> +#include "xlat/drm_mode_create_lease_flags.h"
> +#include "xlat/drm_mode_cursor_flags.h"
> +#include "xlat/drm_mode_encoder_type.h"
> +#include "xlat/drm_mode_fb_dirty_cmd_flags.h"
> +#include "xlat/drm_mode_flags.h"
> +#include "xlat/drm_mode_get_property_flags.h"
> +#include "xlat/drm_mode_page_flip_flags.h"
> +#include "xlat/drm_mode_set_plane_flags.h"
> +#include "xlat/drm_mode_type.h"
> +#include "xlat/drm_prime_handle_flags.h"
> +#include "xlat/drm_syncobj_fd_to_handle_flags.h"
> +#include "xlat/drm_syncobj_flags.h"
> +#include "xlat/drm_syncobj_handle_to_fd_flags.h"
> +#include "xlat/drm_syncobj_wait_flags.h"
> +
> +static void
> +print_drm_iowr(const unsigned int nr, const unsigned int size,
> +              const char *str)
> +{
> +       tprintf("DRM_IOWR(%#x, %#x) /* %s */", nr, size, str);
> +}
> +
> +int
> +drm_decode_number(struct tcb *const tcp, const unsigned int code)
> +{
> +       const unsigned int nr = _IOC_NR(code);
> +       const unsigned int size = _IOC_SIZE(code);
> +
> +       if (_IOC_DIR(code) == (_IOC_READ | _IOC_WRITE)) {
> +               switch (nr) {
> +               case _IOC_NR(DRM_IOCTL_MODE_GETCONNECTOR):
> +                       /* In Linux commit v3.12-rc7~26^2~2 a u32 padding
> was */
> +                       /* added to struct drm_mode_get_connector so in
> old */
> +                       /* kernel headers the size of this structure is
> 0x4c */
> +                       /* instead of today's 0x50, which makes it
> different */
> +                       /* among personalities in case of older kernels
> hence */
> +                       /* we handle it later in drm_mpers.c instead of
> here. */
> +                       /* The newer 0x50-size is not affected even in
> mpers. */
> +                       print_drm_iowr(nr, size,
> +                                      "DRM_IOCTL_MODE_GETCONNECTOR");
> +                       return IOCTL_NUMBER_STOP_LOOKUP;
> +
> +               case _IOC_NR(DRM_IOCTL_MODE_ADDFB2):
> +                       /* The struct size differs among versions of
> kernels. */
> +                       /* Specifically, in Linux commit
> v4.1-rc1~69^2~35^2~57 */
> +                       /* modifier field was added to the end of
> structure. */
> +                       print_drm_iowr(nr, size,
> +                                      "DRM_IOCTL_MODE_ADDFB2");
> +                       return IOCTL_NUMBER_STOP_LOOKUP;
> +               }
> +       }
> +
> +       return 0;
> +}
> +
> +static int
> +drm_get_magic(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_auth auth;
> +
> +       if (entering(tcp))
> +               return 0;
> +
> +       /* exiting-only code */
> +       if (umove_or_printaddr(tcp, arg, &auth))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", auth, magic);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_irq_busid(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_irq_busid busid;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &busid))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_D("{", busid, busnum);
> +               PRINT_FIELD_D(", ", busid, devnum);
> +               PRINT_FIELD_D(", ", busid, funcnum);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &busid)) {
> +               PRINT_FIELD_D(", ", busid, irq);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static void
> +print_set_version(struct tcb *const tcp, const kernel_ulong_t arg,
> +                 struct drm_set_version *ver)
> +{
> +       PRINT_FIELD_D("{", *ver, drm_di_major);
> +       PRINT_FIELD_D(", ", *ver, drm_di_minor);
> +       PRINT_FIELD_D(", ", *ver, drm_dd_major);
> +       PRINT_FIELD_D(", ", *ver, drm_dd_minor);
> +       tprints("}");
> +}
> +
> +static int
> +drm_set_version(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_set_version ver;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &ver))
> +                       return RVAL_IOCTL_DECODED;
> +               print_set_version(tcp, arg, &ver);
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &ver)) {
> +               tprints(" => ");
> +               print_set_version(tcp, arg, &ver);
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +
> +static int
> +drm_modeset_ctl(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_modeset_ctl ctl;
> +
> +       if (umove_or_printaddr(tcp, arg, &ctl))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", ctl, crtc);
> +       PRINT_FIELD_XVAL(", ", ctl, cmd, drm_modeset_cmd, "_DRM_???");
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_gem_close(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_gem_close close;
> +
> +       if (umove_or_printaddr(tcp, arg, &close))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", close, handle);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_gem_flink(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_gem_flink flink;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &flink))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", flink, handle);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &flink)) {
> +               PRINT_FIELD_U(", ", flink, name);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_gem_open(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_gem_open open;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &open))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", open, name);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &open)) {
> +               PRINT_FIELD_U(", ", open, handle);
> +               PRINT_FIELD_U(", ", open, size);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_get_cap(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_get_cap cap;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &cap))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_XVAL("{", cap, capability, drm_capability,
> +                                "DRM_CAP_???");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &cap)) {
> +               PRINT_FIELD_U(", ", cap, value);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_set_client_cap(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_set_client_cap cap;
> +
> +       if (umove_or_printaddr(tcp, arg, &cap))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_XVAL("{", cap, capability, drm_client_capability,
> +                        "DRM_CLIENT_CAP_???");
> +       PRINT_FIELD_U(", ", cap, value);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_auth_magic(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_auth auth;
> +
> +       if (umove_or_printaddr(tcp, arg, &auth))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", auth, magic);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_noop(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       /* No-op ioctl */
> +       printaddr(arg);
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_control(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_control control;
> +
> +       if (umove_or_printaddr(tcp, arg, &control))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_XVAL("{", control, func, drm_control_func,
> +                        "DRM_???");
> +       PRINT_FIELD_D(", ", control, irq);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_ctx(struct tcb *const tcp, const kernel_ulong_t arg, bool is_get)
> +{
> +       /* GET_CTX ioctl does not touch handle */
> +       /* field according to the drvier code. */
> +       struct drm_ctx ctx;
> +
> +       if (umove_or_printaddr(tcp, arg, &ctx))
> +               return RVAL_IOCTL_DECODED;
> +       if (is_get)
> +               PRINT_FIELD_FLAGS("{", ctx, flags, drm_ctx_flags,
> +                                 "_DRM_CONTEXT_???");
> +       else
> +               PRINT_FIELD_U("{", ctx, handle);
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_lock(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_lock lock;
> +
> +       if (entering(tcp))
> +               return 0;
> +
> +       /* exiting-only code */
> +       if (umove_or_printaddr(tcp, arg, &lock))
> +               return RVAL_IOCTL_DECODED;
> +       PRINT_FIELD_D("{", lock, context);
> +       PRINT_FIELD_FLAGS(", ", lock, flags, drm_lock_flags,
> "_DRM_LOCK_???");
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_prime_handle_to_fd(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_prime_handle handle;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &handle))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", handle, handle);
> +               PRINT_FIELD_FLAGS(", ", handle, flags,
> drm_prime_handle_flags,
> +                                 "DRM_???");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &handle)) {
> +               PRINT_FIELD_FD(", ", handle, fd, tcp);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_prime_fd_to_handle(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_prime_handle handle;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &handle))
> +                       return RVAL_IOCTL_DECODED;
> +               /* The printing oder here is different comparing to */
> +               /* the order of fields in the struture because in */
> +               /* this ioctl command we have to get handle via fd. */
> +               PRINT_FIELD_FD("{", handle, fd, tcp);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &handle)) {
> +               PRINT_FIELD_U(", ", handle, handle);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +
> +}
> +
> +static int
> +drm_crtc_get_sequence(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_crtc_get_sequence seq;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &seq))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_DRM_CRTC_ID("{", seq, crtc_id);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &seq)) {
> +               PRINT_FIELD_U(", ", seq, active);
> +               PRINT_FIELD_U(", ", seq, sequence);
> +               PRINT_FIELD_D(", ", seq, sequence_ns);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_crtc_queue_sequence(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_crtc_queue_sequence seq;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &seq))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_DRM_CRTC_ID("{", seq, crtc_id);
> +               PRINT_FIELD_FLAGS(", ", seq, flags,
> drm_crtc_sequence_flags,
> +                                "DRM_CRTC_SEQUENCE_???");
> +               PRINT_FIELD_X(", ", seq, user_data);
> +               PRINT_FIELD_U(", ", seq, sequence);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &seq)) {
> +               PRINT_FIELD_U(" => {", seq, sequence);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_get_resources(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_card_res res;
> +       uint32_t u32_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &res))
> +                       return RVAL_IOCTL_DECODED;
> +               tprints("{fb_id_ptr=");
> +               print_array(tcp, res.fb_id_ptr, res.count_fbs,
> +                           &u32_val, sizeof(u32_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               tprints(", crtc_id_ptr=");
> +               print_array(tcp, res.crtc_id_ptr, res.count_crtcs,
> +                           &u32_val, sizeof(u32_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               tprints(", connector_id_ptr=");
> +               print_array(tcp, res.connector_id_ptr,
> res.count_connectors,
> +                           &u32_val, sizeof(u32_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               tprints(", encoder_id_ptr=");
> +               print_array(tcp, res.encoder_id_ptr, res.count_encoders,
> +                           &u32_val, sizeof(u32_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               PRINT_FIELD_U(", ", res, count_fbs);
> +               PRINT_FIELD_U(", ", res, count_crtcs);
> +               PRINT_FIELD_U(", ", res, count_connectors);
> +               PRINT_FIELD_U(", ", res, count_encoders);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &res)) {
> +               PRINT_FIELD_U(" => {", res, count_fbs);
> +               PRINT_FIELD_U(", ", res, count_crtcs);
> +               PRINT_FIELD_U(", ", res, count_connectors);
> +               PRINT_FIELD_U(", ", res, count_encoders);
> +               PRINT_FIELD_U(", ", res, min_width);
> +               PRINT_FIELD_U(", ", res, max_width);
> +               PRINT_FIELD_U(", ", res, min_height);
> +               PRINT_FIELD_U(", ", res, max_height);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static void
> +print_drm_mode_modeinfo(struct drm_mode_modeinfo *info)
> +{
> +       PRINT_FIELD_U("{", *info, clock);
> +       PRINT_FIELD_U(", ", *info, hdisplay);
> +       PRINT_FIELD_U(", ", *info, hsync_start);
> +       PRINT_FIELD_U(", ", *info, hsync_end);
> +       PRINT_FIELD_U(", ", *info, htotal);
> +       PRINT_FIELD_U(", ", *info, hskew);
> +       PRINT_FIELD_U(", ", *info, vdisplay);
> +       PRINT_FIELD_U(", ", *info, vsync_start);
> +       PRINT_FIELD_U(", ", *info, vsync_end);
> +       PRINT_FIELD_U(", ", *info, vtotal);
> +       PRINT_FIELD_U(", ", *info, vscan);
> +       PRINT_FIELD_U(", ", *info, vrefresh);
> +       PRINT_FIELD_FLAGS(", ", *info, flags, drm_mode_flags,
> +                        "DRM_MODE_FLAG_PIC_???");
> +       PRINT_FIELD_XVAL(", ", *info, type, drm_mode_type,
> +                        "DRM_MODE_TYPE_???");
> +       PRINT_FIELD_CSTRING(", ", *info, name);
> +       tprints("}");
> +}
> +
> +static void
> +print_drm_mode_crtc_tail(struct tcb *const tcp, struct drm_mode_crtc
> *crtc,
> +                        bool is_get)
> +{
> +       uint32_t set_connectors_ptr;
> +
> +       if (!is_get) {
> +               tprints(", set_connectors_ptr=");
> +               print_array(tcp, crtc->set_connectors_ptr,
> +                           crtc->count_connectors,
> +                           &set_connectors_ptr,
> sizeof(set_connectors_ptr),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               PRINT_FIELD_U(", ", *crtc, count_connectors);
> +       }
> +       PRINT_FIELD_U(", ", *crtc, fb_id);
> +       PRINT_FIELD_U(", ", *crtc, x);
> +       PRINT_FIELD_U(", ", *crtc, y);
> +       PRINT_FIELD_U(", ", *crtc, gamma_size);
> +       PRINT_FIELD_U(", ", *crtc, mode_valid);
> +       tprints(", mode=");
> +       print_drm_mode_modeinfo(&crtc->mode);
> +}
> +
> +static int
> +drm_mode_crtc(struct tcb *const tcp, const kernel_ulong_t arg,
> +             bool is_get)
> +{
> +       struct drm_mode_crtc crtc;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &crtc))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_DRM_CRTC_ID("{", crtc, crtc_id);
> +               if (is_get)
> +                       return 0;
> +               print_drm_mode_crtc_tail(tcp, &crtc, is_get);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &crtc) && is_get) {
> +               print_drm_mode_crtc_tail(tcp, &crtc, is_get);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_cursor(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_cursor cursor;
> +
> +       if (umove_or_printaddr(tcp, arg, &cursor))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_FLAGS("{", cursor, flags, drm_mode_cursor_flags,
> +                         "DRM_MODE_CURSOR_???");
> +       PRINT_FIELD_DRM_CRTC_ID(", ", cursor, crtc_id);
> +       PRINT_FIELD_D(", ", cursor, x);
> +       PRINT_FIELD_D(", ", cursor, y);
> +       PRINT_FIELD_U(", ", cursor, width);
> +       PRINT_FIELD_U(", ", cursor, height);
> +       PRINT_FIELD_U(", ", cursor, handle);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_gamma(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_crtc_lut lut;
> +       int array_size;
> +       uint16_t u32_val;
> +
> +       if (umove_or_printaddr(tcp, arg, &lut))
> +               return RVAL_IOCTL_DECODED;
> +
> +       array_size = lut.gamma_size * (sizeof(uint16_t));
> +       PRINT_FIELD_DRM_CRTC_ID("{", lut, crtc_id);
> +       PRINT_FIELD_U(", ", lut, gamma_size);
> +       tprints(", red=");
> +       print_array(tcp, lut.red, array_size,
> +                   &u32_val, sizeof(u32_val),
> +                   tfetch_mem, print_uint16_array_member, 0);
> +       tprints(", green=");
> +       print_array(tcp, lut.green, array_size,
> +                   &u32_val, sizeof(u32_val),
> +                   tfetch_mem, print_uint16_array_member, 0);
> +       tprints(", blue=");
> +       print_array(tcp, lut.blue, array_size,
> +                   &u32_val, sizeof(u32_val),
> +                   tfetch_mem, print_uint16_array_member, 0);
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_get_encoder(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_get_encoder enc;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &enc))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_U("{", enc, encoder_id);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &enc)) {
> +               PRINT_FIELD_U(" => {", enc, encoder_id);
> +               PRINT_FIELD_XVAL(", ", enc, encoder_type,
> drm_mode_encoder_type,
> +                                "DRM_MODE_ENCODER_???");
> +               PRINT_FIELD_DRM_CRTC_ID(", ", enc, crtc_id);
> +               PRINT_FIELD_X(", ", enc, possible_crtcs);
> +               PRINT_FIELD_X(", ", enc, possible_clones);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static bool
> +print_drm_mode_property_enum(struct tcb *tcp, void *elem_buf,
> +                            size_t elem_size, void *data)
> +{
> +       const struct drm_mode_property_enum *p = elem_buf;
> +       PRINT_FIELD_U("{", *p, value);
> +       PRINT_FIELD_CSTRING(", ", *p, name);
> +       tprints("}");
> +       return true;
> +}
> +
> +static int
> +drm_mode_get_property(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_get_property prop;
> +       uint64_t values_val;
> +       struct drm_mode_property_enum enum_blob_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &prop))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_U("{", prop, prop_id);
> +               PRINT_FIELD_U(", ", prop, count_values);
> +               PRINT_FIELD_U(", ", prop, count_enum_blobs);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &prop)) {
> +               tprints(" => {values_ptr=");
> +               print_array(tcp, prop.values_ptr, prop.count_values,
> +                           &values_val, sizeof(values_val),
> +                           tfetch_mem, print_uint64_array_member, 0);
> +               tprints(", enum_blob_ptr=");
> +               print_array(tcp, prop.enum_blob_ptr, prop.count_enum_blobs,
> +                           &enum_blob_val, sizeof(enum_blob_val),
> +                           tfetch_mem, print_drm_mode_property_enum, 0);
> +               PRINT_FIELD_FLAGS(", ", prop, flags,
> drm_mode_get_property_flags,
> +                                 "DRM_MODE_PROP_???");
> +               PRINT_FIELD_CSTRING(", ", prop, name);
> +               PRINT_FIELD_U(", ", prop, count_values);
> +               PRINT_FIELD_U(", ", prop, count_enum_blobs);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_set_property(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_connector_set_property prop;
> +
> +       if (umove_or_printaddr(tcp, arg, &prop))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", prop, value);
> +       PRINT_FIELD_U(", ", prop, prop_id);
> +       PRINT_FIELD_U(", ", prop, connector_id);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_get_prop_blob(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_get_blob blob;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &blob))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", blob, blob_id);
> +               PRINT_FIELD_U(", ", blob, length);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &blob)) {
> +               PRINT_FIELD_U(" => {", blob, length);
> +               PRINT_FIELD_ADDR64(", ", blob, data);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static void
> +print_drm_mode_fb_cmd_part(struct drm_mode_fb_cmd *cmd)
> +{
> +       /* The prefix might differ here */
> +       /* and it could be ", " or "{". */
> +       /* So we print it in the caller. */
> +       PRINT_FIELD_U("", *cmd, width);
> +       PRINT_FIELD_U(", ", *cmd, height);
> +       PRINT_FIELD_U(", ", *cmd, pitch);
> +       PRINT_FIELD_U(", ", *cmd, bpp);
> +       PRINT_FIELD_U(", ", *cmd, depth);
> +       PRINT_FIELD_U(", ", *cmd, handle);
> +}
> +
> +static int
> +drm_mode_get_fb(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_fb_cmd cmd;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &cmd))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", cmd, fb_id);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &cmd)) {
> +               tprints(", ");
> +               print_drm_mode_fb_cmd_part(&cmd);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_add_fb(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_fb_cmd cmd;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &cmd))
> +                       return RVAL_IOCTL_DECODED;
> +               tprints("{");
> +               print_drm_mode_fb_cmd_part(&cmd);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &cmd)) {
> +               PRINT_FIELD_U(", ", cmd, fb_id);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_rm_fb(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       unsigned int fb_id;
> +
> +       if (umove_or_printaddr(tcp, arg, &fb_id))
> +               return RVAL_IOCTL_DECODED;
> +
> +       tprintf("{fb_id=%u}", fb_id);
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_page_flip(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_crtc_page_flip flip;
> +
> +       if (umove_or_printaddr(tcp, arg, &flip))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_DRM_CRTC_ID("{", flip, crtc_id);
> +       PRINT_FIELD_U(", ", flip, fb_id);
> +       PRINT_FIELD_FLAGS(", ", flip, flags, drm_mode_page_flip_flags,
> +                        "DRM_MODE_PAGE_FLIP_???");
> +       PRINT_FIELD_X(", ", flip, user_data);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static bool
> +print_drm_clip_rect(struct tcb *tcp, void *elem_buf,
> +                   size_t elem_size, void *data)
> +{
> +       const struct drm_clip_rect *p = elem_buf;
> +       PRINT_FIELD_U("{", *p, x1);
> +       PRINT_FIELD_D(", ", *p, y1);
> +       PRINT_FIELD_D(", ", *p, x2);
> +       PRINT_FIELD_D(", ", *p, y2);
> +       tprints("}");
> +       return true;
> +}
> +
> +static int
> +drm_mode_dirty_fb(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_fb_dirty_cmd cmd;
> +       struct drm_clip_rect clips_val;
> +
> +       if (umove_or_printaddr(tcp, arg, &cmd))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", cmd, fb_id);
> +       PRINT_FIELD_FLAGS(", ", cmd, flags, drm_mode_fb_dirty_cmd_flags,
> +                         "DRM_MODE_FB_DIRTY_ANNOTATE_???");
> +       PRINT_FIELD_X(", ", cmd, color);
> +       PRINT_FIELD_U(", ", cmd, num_clips);
> +       tprints(", clips_ptr=");
> +       print_array(tcp, cmd.clips_ptr, cmd. num_clips,
> +                   &clips_val, sizeof(clips_val),
> +                   tfetch_mem, print_drm_clip_rect, 0);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_create_dumb(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_create_dumb dumb;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &dumb))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", dumb, width);
> +               PRINT_FIELD_U(", ", dumb, height);
> +               PRINT_FIELD_U(", ", dumb, bpp);
> +               PRINT_FIELD_X(", ", dumb, flags);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &dumb)) {
> +               PRINT_FIELD_U(", ", dumb, handle);
> +               PRINT_FIELD_U(", ", dumb, pitch);
> +               PRINT_FIELD_U(", ", dumb, size);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_map_dumb(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_map_dumb dumb;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &dumb))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", dumb, handle);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &dumb)) {
> +               PRINT_FIELD_U(", ", dumb, offset);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_destroy_dumb(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_destroy_dumb dumb;
> +
> +       if (umove_or_printaddr(tcp, arg, &dumb))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", dumb, handle);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_getplane(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_get_plane plane;
> +       uint32_t formant_type_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &plane))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_U("{", plane, plane_id);
> +               PRINT_FIELD_U(", ", plane, count_format_types);
> +               tprints(", format_type_ptr=");
> +               print_array(tcp, plane.format_type_ptr,
> +                           plane.count_format_types,
> +                           &formant_type_val, sizeof(formant_type_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &plane)) {
> +               PRINT_FIELD_U(" => {", plane, plane_id);
> +               PRINT_FIELD_DRM_CRTC_ID(", ", plane, crtc_id);
> +               PRINT_FIELD_U(", ", plane, fb_id);
> +               PRINT_FIELD_U(", ", plane, possible_crtcs);
> +               PRINT_FIELD_U(", ", plane, gamma_size);
> +               PRINT_FIELD_U(", ", plane, count_format_types);
> +
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_setplane(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_set_plane plane;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &plane))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", plane, plane_id);
> +               PRINT_FIELD_DRM_CRTC_ID(", ", plane, crtc_id);
> +               PRINT_FIELD_U(", ", plane, fb_id);
> +               PRINT_FIELD_FLAGS(", ", plane, flags,
> drm_mode_set_plane_flags,
> +                                 "DRM_MODE_PRESENT_???");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &plane)) {
> +               PRINT_FIELD_D(", ", plane, crtc_x);
> +               PRINT_FIELD_D(", ", plane, crtc_y);
> +               PRINT_FIELD_U(", ", plane, crtc_w);
> +               PRINT_FIELD_U(", ", plane, crtc_h);
> +               /* The printing format reference is from kernel driver. */
> +               PRINT_FIELD_U(", ", plane, src_x);
> +               tprintf_comment("%u.%06u", plane.src_x >> 16,
> +                               ((plane.src_x & 0xffff) * 15625) >> 10);
> +               PRINT_FIELD_U(", ", plane, src_y);
> +               tprintf_comment("%u.%06u", plane.src_y >> 16,
> +                               ((plane.src_y & 0xffff) * 15625) >> 10);
> +               PRINT_FIELD_U(", ", plane, src_h);
> +               tprintf_comment("%u.%06u", plane.src_h >> 16,
> +                               ((plane.src_h & 0xffff) * 15625) >> 10);
> +               PRINT_FIELD_U(", ", plane, src_w);
> +               tprintf_comment("%u.%06u", plane.src_w >> 16,
> +                               ((plane.src_w & 0xffff) * 15625) >> 10);
> +
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_cursor2(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_cursor2 cursor;
> +
> +       if (umove_or_printaddr(tcp, arg, &cursor))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_FLAGS("{", cursor, flags, drm_mode_cursor_flags,
> +                         "DRM_MODE_CURSOR_???");
> +       PRINT_FIELD_DRM_CRTC_ID(", ", cursor, crtc_id);
> +       PRINT_FIELD_D(", ", cursor, x);
> +       PRINT_FIELD_D(", ", cursor, y);
> +       PRINT_FIELD_U(", ", cursor, width);
> +       PRINT_FIELD_U(", ", cursor, height);
> +       PRINT_FIELD_U(", ", cursor, handle);
> +       PRINT_FIELD_D(", ", cursor, hot_x);
> +       PRINT_FIELD_D(", ", cursor, hot_y);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_atomic(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_atomic atomic;
> +       uint32_t u32_val;
> +       uint64_t u64_val;
> +
> +       if (umove_or_printaddr(tcp, arg, &atomic))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_FLAGS("{", atomic, flags, drm_mode_atomic_flags,
> +                         "DRM_MODE_ATOMIC_???");
> +       PRINT_FIELD_U(", ", atomic, count_objs);
> +       tprints(", objs_ptr=");
> +       print_array(tcp, atomic.objs_ptr, atomic.count_objs,
> +                   &u32_val, sizeof(u32_val),
> +                   tfetch_mem, print_uint32_array_member, 0);
> +       tprints(", count_props_ptr=");
> +       print_array(tcp, atomic.count_props_ptr, atomic.count_objs,
> +                   &u32_val, sizeof(u32_val),
> +                   tfetch_mem, print_uint32_array_member, 0);
> +       tprints(", props_ptr=");
> +       print_array(tcp, atomic.props_ptr, atomic.count_objs,
> +                   &u32_val, sizeof(u32_val),
> +                   tfetch_mem, print_uint32_array_member, 0);
> +       tprints(", prop_values_ptr=");
> +       print_array(tcp, atomic.prop_values_ptr, atomic.count_objs,
> +                   &u64_val, sizeof(u64_val),
> +                   tfetch_mem, print_uint64_array_member, 0);
> +       if (atomic.reserved)
> +               PRINT_FIELD_U(", ", atomic, reserved);
> +       PRINT_FIELD_X(", ", atomic, user_data);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_createpropblob(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_create_blob blob;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &blob))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_ADDR64("{", blob, data);
> +               PRINT_FIELD_U(", ", blob, length);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &blob)) {
> +               PRINT_FIELD_U(", ", blob, blob_id);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_destroypropblob(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_destroy_blob blob;
> +
> +       if (umove_or_printaddr(tcp, arg, &blob))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", blob, blob_id);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_syncobj_create(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_syncobj_create create;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &create))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_FLAGS("{", create, flags, drm_syncobj_flags,
> +                                "DRM_SYNCOBJ_???");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &create)) {
> +               PRINT_FIELD_U(", ", create, handle);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_syncobj_destroy(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_syncobj_destroy destroy;
> +
> +       if (umove_or_printaddr(tcp, arg, &destroy))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", destroy, handle);
> +       if (destroy.pad)
> +               PRINT_FIELD_U(", ", destroy, pad);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_syncobj_handle_fd(struct tcb *const tcp, const kernel_ulong_t arg,
> +                        bool is_handle_to_fd)
> +{
> +       struct drm_syncobj_handle handle;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &handle))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               if (is_handle_to_fd) {
> +                       PRINT_FIELD_U("{", handle, handle);
> +                       PRINT_FIELD_FLAGS(", ", handle, flags,
> +                                         drm_syncobj_handle_to_fd_flags,
> +                                         "DRM_SYNCOBJ_???");
> +               } else {
> +                       PRINT_FIELD_FD("{", handle, fd, tcp);
> +                       PRINT_FIELD_FLAGS(", ", handle, flags,
> +                                         drm_syncobj_fd_to_handle_flags,
> +                                         "DRM_SYNCOBJ_???");
> +               }
> +               if (handle.pad)
> +                       PRINT_FIELD_U(", ", handle, pad);
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &handle)) {
> +               if (is_handle_to_fd)
> +                       PRINT_FIELD_FD(", ", handle, fd, tcp);
> +               else
> +                       PRINT_FIELD_U(", ", handle, handle);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_syncobj_wait(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_syncobj_wait wait;
> +       uint32_t handles_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &wait))
> +                       return RVAL_IOCTL_DECODED;
> +               tprints("{handles=");
> +               print_array(tcp, wait.handles, wait.count_handles,
> +                           &handles_val, sizeof(handles_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               PRINT_FIELD_D(", ", wait, timeout_nsec);
> +               PRINT_FIELD_U(", ", wait, count_handles);
> +               PRINT_FIELD_FLAGS(", ", wait, flags,
> drm_syncobj_wait_flags,
> +                                 "DRM_SYNCOBJ_WAIT_FLAGS_???");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &wait)) {
> +               PRINT_FIELD_U(", ", wait, first_signaled);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_syncobj_reset_or_signal(struct tcb *const tcp, const kernel_ulong_t
> arg)
> +{
> +       struct drm_syncobj_array array;
> +       uint32_t handles_val;
> +
> +       if (umove_or_printaddr(tcp, arg, &array))
> +               return RVAL_IOCTL_DECODED;
> +
> +       tprints("{handles=");
> +       print_array(tcp, array.handles, array.count_handles,
> +                   &handles_val, sizeof(handles_val),
> +                   tfetch_mem, print_uint32_array_member, 0);
> +       PRINT_FIELD_U(", ", array, count_handles);
> +       if (array.pad)
> +               PRINT_FIELD_U(", ", array, pad);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_create_lease(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_create_lease lease;
> +       uint32_t object_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &lease))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               tprints("{object_ids=");
> +               print_array(tcp, lease.object_ids, lease.object_count,
> +                           &object_val, sizeof(object_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               PRINT_FIELD_U(", ", lease, object_count);
> +               PRINT_FIELD_X(", ", lease, flags);
> +               PRINT_FIELD_FLAGS(", ", lease, flags,
> +                                 drm_mode_create_lease_flags,
> +                                 "O_???");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &lease)) {
> +               PRINT_FIELD_U(", ", lease, lessee_id);
> +               PRINT_FIELD_FD(", ", lease, fd, tcp);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_list_lessees(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_list_lessees lessees;
> +       uint32_t lessees_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &lessees))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_U("{", lessees, count_lessees);
> +               if (lessees.pad)
> +                       PRINT_FIELD_U(", ", lessees, pad);
> +               tprints(", lessees_ptr=");
> +               print_array(tcp, lessees.lessees_ptr,
> lessees.count_lessees,
> +                           &lessees_val, sizeof(lessees_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &lessees)) {
> +               PRINT_FIELD_U(" => {", lessees, count_lessees);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_get_lease(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_get_lease lease;
> +       uint32_t objects_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &lease))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_U("{", lease, count_objects);
> +               if (lease.pad)
> +                       PRINT_FIELD_U(", ", lease, pad);
> +               tprints(", objects_ptr=");
> +               print_array(tcp, lease.objects_ptr, lease.count_objects,
> +                           &objects_val, sizeof(objects_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &lease)) {
> +               PRINT_FIELD_U(" => {", lease, count_objects);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +
> +}
> +
> +static int
> +drm_mode_revoke_lease(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_mode_revoke_lease lease;
> +
> +       if (umove_or_printaddr(tcp, arg, &lease))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", lease, lessee_id);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_syncobj_timeline_wait(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_syncobj_timeline_wait wait;
> +       uint32_t handles_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &wait))
> +                       return RVAL_IOCTL_DECODED;
> +               tprints("{handles=");
> +               print_array(tcp, wait.handles, wait.count_handles,
> +                           &handles_val, sizeof(handles_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               PRINT_FIELD_D(", ", wait, timeout_nsec);
> +               PRINT_FIELD_U(", ", wait, count_handles);
> +               PRINT_FIELD_FLAGS(", ", wait, flags,
> drm_syncobj_wait_flags,
> +                                "DRM_SYNCOBJ_WAIT_FLAGS_???");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umove(tcp, arg, &wait)) {
> +               PRINT_FIELD_U(", ", wait, first_signaled);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_syncobj_query_or_timeline_signal(struct tcb *const tcp,
> +                                    const kernel_ulong_t arg)
> +{
> +       struct drm_syncobj_timeline_array array;
> +       uint32_t handles_val;
> +       uint64_t points_val;
> +
> +       if (umove_or_printaddr(tcp, arg, &array))
> +               return RVAL_IOCTL_DECODED;
> +
> +       tprints("{handles=");
> +       print_array(tcp, array.handles, array.count_handles,
> +                   &handles_val, sizeof(handles_val),
> +                   tfetch_mem, print_uint32_array_member, 0);
> +       tprints(", points=");
> +       print_array(tcp, array.points, array.count_handles,
> +                   &points_val, sizeof(points_val),
> +                   tfetch_mem, print_uint64_array_member, 0);
> +
> +       PRINT_FIELD_U(", ", array, count_handles);
> +       if (array.pad)
> +               PRINT_FIELD_U(", ", array, pad);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_syncobj_transfer(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct drm_syncobj_transfer transfer;
> +
> +       if (umove_or_printaddr(tcp, arg, &transfer))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", transfer, src_handle);
> +       PRINT_FIELD_U(", ", transfer, dst_handle);
> +       PRINT_FIELD_U(", ", transfer, src_point);
> +       PRINT_FIELD_U(", ", transfer, dst_point);
> +       PRINT_FIELD_FLAGS(", ", transfer, flags, drm_syncobj_wait_flags,
> +                        "DRM_SYNCOBJ_WAIT_FLAGS_???");
> +       if (transfer.pad)
> +               PRINT_FIELD_U(", ", transfer, pad);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +int
> +drm_ioctl(struct tcb *const tcp, const unsigned int code,
> +         const kernel_ulong_t arg)
> +{
> +       if (entering(tcp))
> +               tprints(", ");
> +
> +       switch (code) {
> +       case DRM_IOCTL_GET_MAGIC: /* R */
> +               return drm_get_magic(tcp, arg);
> +       case DRM_IOCTL_IRQ_BUSID: /* RW */
> +               return drm_irq_busid(tcp, arg);
> +       case DRM_IOCTL_SET_VERSION: /* RW */
> +               return drm_set_version(tcp, arg);
> +       case DRM_IOCTL_MODESET_CTL: /* W */
> +               return drm_modeset_ctl(tcp, arg);
> +       case DRM_IOCTL_GEM_CLOSE: /* W */
> +               return drm_gem_close(tcp, arg);
> +       case DRM_IOCTL_GEM_FLINK: /* RW */
> +               return drm_gem_flink(tcp, arg);
> +       case DRM_IOCTL_GEM_OPEN: /* RW */
> +               return drm_gem_open(tcp, arg);
> +       case DRM_IOCTL_GET_CAP: /* RW */
> +               return drm_get_cap(tcp, arg);
> +       case DRM_IOCTL_SET_CLIENT_CAP: /* W */
> +               return drm_set_client_cap(tcp, arg);
> +       case DRM_IOCTL_AUTH_MAGIC: /* W */
> +               return drm_auth_magic(tcp, arg);
> +       case DRM_IOCTL_BLOCK: /* RW */
> +       case DRM_IOCTL_UNBLOCK: /* RW */
> +       case DRM_IOCTL_MOD_CTX: /* W */
> +       case DRM_IOCTL_ADD_DRAW: /* RW */
> +       case DRM_IOCTL_RM_DRAW: /* RW */
> +       case DRM_IOCTL_FINISH: /* W */
> +       case DRM_IOCTL_MODE_ATTACHMODE: /* RW */
> +       case DRM_IOCTL_MODE_DETACHMODE: /* RW */
> +       case DRM_IOCTL_GET_STATS: /* R */
> +               return drm_noop(tcp, arg);
> +       case DRM_IOCTL_CONTROL: /* W */
> +               return drm_control(tcp, arg);
> +       case DRM_IOCTL_ADD_CTX: /* RW */
> +       case DRM_IOCTL_SWITCH_CTX: /* W */
> +       case DRM_IOCTL_NEW_CTX: /* W */
> +       case DRM_IOCTL_GET_CTX: /* RW */
> +               if (entering(tcp))
> +                       return 0;
> +               return drm_ctx(tcp, arg, code == DRM_IOCTL_GET_CTX);
> +       case DRM_IOCTL_RM_CTX: /* RW */
> +               return drm_ctx(tcp, arg, false);
> +       case DRM_IOCTL_LOCK: /* W */
> +       case DRM_IOCTL_UNLOCK: /* W */
> +               return drm_lock(tcp, arg);
> +       case DRM_IOCTL_PRIME_HANDLE_TO_FD: /* RW */
> +               return drm_prime_handle_to_fd(tcp, arg);
> +       case DRM_IOCTL_PRIME_FD_TO_HANDLE: /* RW */
> +               return drm_prime_fd_to_handle(tcp, arg);
> +       case DRM_IOCTL_CRTC_GET_SEQUENCE: /* RW */
> +               return drm_crtc_get_sequence(tcp, arg);
> +       case DRM_IOCTL_CRTC_QUEUE_SEQUENCE: /* RW */
> +               return drm_crtc_queue_sequence(tcp, arg);
> +       case DRM_IOCTL_MODE_GETRESOURCES: /* RW */
> +               return drm_mode_get_resources(tcp, arg);
> +       case DRM_IOCTL_MODE_GETCRTC: /* RW */
> +       case DRM_IOCTL_MODE_SETCRTC: /* RW */
> +               return drm_mode_crtc(tcp, arg, code ==
> DRM_IOCTL_MODE_GETCRTC);
> +       case DRM_IOCTL_MODE_CURSOR: /* RW */
> +               return drm_mode_cursor(tcp, arg);
> +       case DRM_IOCTL_MODE_GETGAMMA: /* RW */
> +       case DRM_IOCTL_MODE_SETGAMMA: /* RW */
> +               return drm_mode_gamma(tcp, arg);
> +       case DRM_IOCTL_MODE_GETENCODER: /* RW */
> +               return drm_mode_get_encoder(tcp, arg);
> +       case DRM_IOCTL_MODE_GETPROPERTY: /* RW */
> +               return drm_mode_get_property(tcp, arg);
> +       case DRM_IOCTL_MODE_SETPROPERTY: /* RW */
> +               return drm_mode_set_property(tcp, arg);
> +       case DRM_IOCTL_MODE_GETPROPBLOB: /* RW */
> +               return drm_mode_get_prop_blob(tcp, arg);
> +       case DRM_IOCTL_MODE_GETFB: /* RW */
> +               return drm_mode_get_fb(tcp, arg);
> +       case DRM_IOCTL_MODE_ADDFB: /* RW */
> +               return drm_mode_add_fb(tcp, arg);
> +       case DRM_IOCTL_MODE_RMFB: /* RW */
> +               return drm_mode_rm_fb(tcp, arg);
> +       case DRM_IOCTL_MODE_PAGE_FLIP: /* RW */
> +               return drm_mode_page_flip(tcp, arg);
> +       case DRM_IOCTL_MODE_DIRTYFB: /* RW */
> +               return drm_mode_dirty_fb(tcp, arg);
> +       case DRM_IOCTL_MODE_CREATE_DUMB: /* RW */
> +               return drm_mode_create_dumb(tcp, arg);
> +       case DRM_IOCTL_MODE_MAP_DUMB: /* RW */
> +               return drm_mode_map_dumb(tcp, arg);
> +       case DRM_IOCTL_MODE_DESTROY_DUMB: /* RW */
> +               return drm_mode_destroy_dumb(tcp, arg);
> +       case DRM_IOCTL_MODE_GETPLANE: /* RW */
> +               return drm_mode_getplane(tcp, arg);
> +       case DRM_IOCTL_MODE_SETPLANE: /* RW */
> +               return drm_mode_setplane(tcp, arg);
> +       case DRM_IOCTL_MODE_CURSOR2: /* RW */
> +               return drm_mode_cursor2(tcp, arg);
> +       case DRM_IOCTL_MODE_ATOMIC: /* RW */
> +               return drm_mode_atomic(tcp, arg);//
> +       case DRM_IOCTL_MODE_CREATEPROPBLOB: /* RW */
> +               return drm_mode_createpropblob(tcp, arg);
> +       case DRM_IOCTL_MODE_DESTROYPROPBLOB: /* RW */
> +               return drm_mode_destroypropblob(tcp, arg);
> +       case DRM_IOCTL_SYNCOBJ_CREATE: /* RW */
> +               return drm_syncobj_create(tcp, arg);
> +       case DRM_IOCTL_SYNCOBJ_DESTROY: /* RW */
> +               return drm_syncobj_destroy(tcp, arg);
> +       case DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD: /* RW */
> +       case DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE: /* RW */
> +               return drm_syncobj_handle_fd(tcp, arg, code ==
> DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD);
> +       case DRM_IOCTL_SYNCOBJ_WAIT: /* RW */
> +               return drm_syncobj_wait(tcp, arg);
> +       case DRM_IOCTL_SYNCOBJ_RESET: /* RW */
> +       case DRM_IOCTL_SYNCOBJ_SIGNAL: /* RW */
> +               return drm_syncobj_reset_or_signal(tcp, arg);
> +       case DRM_IOCTL_MODE_CREATE_LEASE: /* RW */
> +               return drm_mode_create_lease(tcp, arg);
> +       case DRM_IOCTL_MODE_LIST_LESSEES: /* RW */
> +               return drm_mode_list_lessees(tcp, arg);
> +       case DRM_IOCTL_MODE_GET_LEASE: /* RW */
> +               return drm_mode_get_lease(tcp, arg);
> +       case DRM_IOCTL_MODE_REVOKE_LEASE: /* RW */
> +               return drm_mode_revoke_lease(tcp, arg);
> +       case DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT: /* RW */
> +               return drm_syncobj_timeline_wait(tcp, arg);
> +       case DRM_IOCTL_SYNCOBJ_QUERY: /* RW */
> +       case DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL: /* RW */
> +               return drm_syncobj_query_or_timeline_signal(tcp, arg);
> +       case DRM_IOCTL_SYNCOBJ_TRANSFER: /* RW */
> +               return drm_syncobj_transfer(tcp, arg);
> +       default:
> +               return drm_ioctl_mpers(tcp, code, arg);
> +       }
> +}
> diff --git a/drm_mpers.c b/drm_mpers.c
> new file mode 100644
> index 00000000..b34744a8
> --- /dev/null
> +++ b/drm_mpers.c
> @@ -0,0 +1,882 @@
> +/*
> + * Copyright (c) 2015 Intel Corporation
> + * Copyright (c) 2019 Patrik Jakobsson <pjakobsson at suse.de>
> + * Copyright (c) 2019 The strace developers.
> + * All rights reserved.
> + *
> + * SPDX-License-Identifier: LGPL-2.1-or-later
> + */
> +
> +#include "defs.h"
> +#include <drm/drm.h>
> +
> +#include DEF_MPERS_TYPE(struct_drm_version)
> +#include DEF_MPERS_TYPE(struct_drm_unique)
> +#include DEF_MPERS_TYPE(struct_drm_map)
> +#include DEF_MPERS_TYPE(struct_drm_client)
> +#include DEF_MPERS_TYPE(struct_drm_stats)
> +#include DEF_MPERS_TYPE(struct_drm_buf_desc)
> +#include DEF_MPERS_TYPE(struct_drm_buf_info)
> +#include DEF_MPERS_TYPE(struct_drm_buf_map)
> +#include DEF_MPERS_TYPE(struct_drm_buf_pub)
> +#include DEF_MPERS_TYPE(struct_drm_buf_free)
> +#include DEF_MPERS_TYPE(struct_drm_ctx_priv_map)
> +#include DEF_MPERS_TYPE(struct_drm_ctx_res)
> +#include DEF_MPERS_TYPE(struct_drm_agp_mode)
> +#include DEF_MPERS_TYPE(struct_drm_agp_info)
> +#include DEF_MPERS_TYPE(struct_drm_agp_buffer)
> +#include DEF_MPERS_TYPE(struct_drm_agp_binding)
> +#include DEF_MPERS_TYPE(struct_drm_scatter_gather)
> +#include DEF_MPERS_TYPE(union_drm_wait_vblank)
> +#include DEF_MPERS_TYPE(struct_drm_mode_get_connector)
> +#include DEF_MPERS_TYPE(struct_drm_mode_fb_cmd2)
> +#include DEF_MPERS_TYPE(struct_drm_mode_get_plane_res)
> +#include DEF_MPERS_TYPE(struct_drm_mode_obj_get_properties)
> +#include DEF_MPERS_TYPE(struct_drm_mode_obj_set_property)
> +
> +typedef struct drm_version struct_drm_version;
> +typedef struct drm_unique struct_drm_unique;
> +typedef struct drm_map struct_drm_map;
> +typedef struct drm_client struct_drm_client;
> +typedef struct drm_stats struct_drm_stats;
> +typedef struct drm_buf_desc struct_drm_buf_desc;
> +typedef struct drm_buf_info struct_drm_buf_info;
> +typedef struct drm_buf_map struct_drm_buf_map;
> +typedef struct drm_buf_pub struct_drm_buf_pub;
> +typedef struct drm_buf_free struct_drm_buf_free;
> +typedef struct drm_ctx_priv_map struct_drm_ctx_priv_map;
> +typedef struct drm_ctx_res struct_drm_ctx_res;
> +typedef struct drm_agp_mode struct_drm_agp_mode;
> +typedef struct drm_agp_info struct_drm_agp_info;
> +typedef struct drm_agp_buffer struct_drm_agp_buffer;
> +typedef struct drm_agp_binding struct_drm_agp_binding;
> +typedef struct drm_scatter_gather struct_drm_scatter_gather;
> +typedef union drm_wait_vblank union_drm_wait_vblank;
> +typedef struct drm_mode_get_connector struct_drm_mode_get_connector;
> +typedef struct drm_mode_fb_cmd2 struct_drm_mode_fb_cmd2;
> +typedef struct drm_mode_get_plane_res struct_drm_mode_get_plane_res;
> +typedef struct drm_mode_obj_get_properties
> struct_drm_mode_obj_get_properties;
> +typedef struct drm_mode_obj_set_property struct_drm_mode_obj_set_property;
> +
> +#include MPERS_DEFS
> +
> +#include "print_fields.h"
> +
> +#include "xlat/drm_buf_desc_flags.h"
> +#include "xlat/drm_map_flags.h"
> +#include "xlat/drm_map_type.h"
> +#include "xlat/drm_mode_fb_cmd2_flags.h"
> +#include "xlat/drm_vblank_seq_type.h"
> +#include "xlat/drm_vblank_seq_type_flags.h"
> +
> +static int
> +drm_version(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_version ver;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &ver))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_U("{", ver, name_len);
> +               PRINT_FIELD_U(", ", ver, date_len);
> +               PRINT_FIELD_U(", ", ver, desc_len);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &ver)) {
> +               PRINT_FIELD_D(" => {", ver, version_major);
> +               PRINT_FIELD_D(", ", ver, version_minor);
> +               PRINT_FIELD_D(", ", ver, version_patchlevel);
> +               PRINT_FIELD_U(", ", ver, name_len);
> +               tprints(", name=");
> +               printstrn(tcp, ptr_to_kulong(ver.name), ver.name_len);
> +               PRINT_FIELD_U(", ", ver, date_len);
> +               tprints(", date=");
> +               printstrn(tcp, ptr_to_kulong(ver.date), ver.date_len);
> +               PRINT_FIELD_U(", ", ver, desc_len);
> +               tprints(", desc=");
> +               printstrn(tcp, ptr_to_kulong(ver.desc), ver.desc_len);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_unique(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_unique unique;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &unique))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_U("{", unique, unique_len);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &unique)) {
> +               PRINT_FIELD_U(" => {", unique, unique_len);
> +               tprints(", unique=");
> +               printstrn(tcp, ptr_to_kulong(unique.unique),
> unique.unique_len);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_get_map(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_map map;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &map))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_X("{", map, offset);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &map)) {
> +               PRINT_FIELD_X(" => {", map, offset);
> +               PRINT_FIELD_U(", ", map, size);
> +               PRINT_FIELD_XVAL(", ", map, type, drm_map_type,
> "_DRM_???");
> +               PRINT_FIELD_FLAGS(", ", map, flags, drm_map_flags,
> "_DRM_???");
> +               PRINT_FIELD_PTR(", ", map, handle);
> +               PRINT_FIELD_D(", ", map, mtrr);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_get_client(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_client client;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &client))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_D("{", client, idx);
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &client)) {
> +               PRINT_FIELD_D(", ", client, auth);
> +               PRINT_FIELD_U(", ", client, pid);
> +               PRINT_FIELD_UID(", ", client, uid);
> +               PRINT_FIELD_U(", ", client, magic);
> +               PRINT_FIELD_U(", ", client, iocs);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_add_map(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_map map;
> +
> +       if (umove_or_printaddr(tcp, arg, &map))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_X("{", map, offset);
> +       PRINT_FIELD_U(", ", map, size);
> +       PRINT_FIELD_XVAL(", ", map, type, drm_map_type, "_DRM_???");
> +       PRINT_FIELD_FLAGS(", ", map, flags, drm_map_flags, "_DRM_???");
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_add_bufs(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_buf_desc desc;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &desc))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_D("{", desc, count);
> +               PRINT_FIELD_D(", ", desc, size);
> +               PRINT_FIELD_FLAGS(", ", desc, flags, drm_buf_desc_flags,
> +                                "_DRM_???");
> +               PRINT_FIELD_X(", ", desc, agp_start);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &desc)) {
> +               PRINT_FIELD_D(" => {", desc, count);
> +               PRINT_FIELD_D(", ", desc, size);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mark_bufs(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_buf_desc desc;
> +
> +       if (umove_or_printaddr(tcp, arg, &desc))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_D("{", desc, size);
> +       PRINT_FIELD_D(", ", desc, low_mark);
> +       PRINT_FIELD_D(", ", desc, high_mark);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static bool
> +print_drm_buf_desc(struct tcb *tcp, void *elem_buf,
> +                  size_t elem_size, void *data)
> +{
> +       const struct_drm_buf_desc *p = elem_buf;
> +       PRINT_FIELD_D("{", *p, count);
> +       PRINT_FIELD_D(", ", *p, size);
> +       PRINT_FIELD_D(", ", *p, low_mark);
> +       PRINT_FIELD_D(", ", *p, high_mark);
> +       PRINT_FIELD_FLAGS(", ", *p, flags, drm_buf_desc_flags,
> +                         "_DRM_???");
> +       tprints("}");
> +       return true;
> +}
> +
> +static int
> +drm_info_bufs(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_buf_info info;
> +       struct_drm_buf_desc desc;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &info))
> +               return RVAL_IOCTL_DECODED;
> +
> +               tprints("{list=");
> +               print_array(tcp, ptr_to_kulong(info.list), info.count,
> +                           &desc, sizeof(desc),
> +                           tfetch_mem, print_drm_buf_desc, 0);
> +               PRINT_FIELD_D(", ", info, count);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &info)) {
> +               PRINT_FIELD_D(" => {", info, count);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static bool
> +print_drm_buf_pub(struct tcb *tcp, void *elem_buf,
> +                 size_t elem_size, void *data)
> +
> +{
> +       const struct_drm_buf_pub *p = elem_buf;
> +       PRINT_FIELD_D("{", *p, idx);
> +       PRINT_FIELD_D(", ", *p, total);
> +       PRINT_FIELD_D(", ", *p, used);
> +       PRINT_FIELD_PTR(", ", *p, address);
> +       tprints("}");
> +       return true;
> +}
> +
> +static int
> +drm_map_bufs(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_buf_map map;
> +       struct_drm_buf_pub pub;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &map))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_D("{", map, count);
> +               PRINT_FIELD_PTR(", ", map, virtual);
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &map)) {
> +               tprints(", list=");
> +               print_array(tcp, ptr_to_kulong(map.list), map.count,
> +                           &pub, sizeof(pub),
> +                           tfetch_mem, print_drm_buf_pub, 0);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_free_bufs(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_buf_free free;
> +       int list_val;
> +
> +       if (umove_or_printaddr(tcp, arg, &free))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_D("{", free, count);
> +       tprints(", list=");
> +       print_array(tcp, ptr_to_kulong(free.list), free.count,
> +                   &list_val, sizeof(list_val),
> +                   tfetch_mem, print_int32_array_member, 0);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_rm_map(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_map map;
> +
> +       if (umove_or_printaddr(tcp, arg, &map))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_PTR("{", map, handle);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_sarea_ctx(struct tcb *const tcp, const kernel_ulong_t arg,
> +             const bool is_get)
> +{
> +       struct_drm_ctx_priv_map map;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &map))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", map, ctx_id);
> +               if (!is_get)
> +                       PRINT_FIELD_PTR(", ", map, handle);
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &map) && is_get) {
> +               PRINT_FIELD_PTR(", ", map, handle);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static bool
> +print_drm_ctx(struct tcb *tcp, void *elem_buf,
> +             size_t elem_size, void *data)
> +{
> +       const struct drm_ctx *p = elem_buf;
> +       PRINT_FIELD_U("{", *p, handle);
> +       PRINT_FIELD_FLAGS("{", *p, flags, drm_ctx_flags,
> "_DRM_CONTEXT_???");
> +       tprints("}");
> +       return true;
> +}
> +
> +static int
> +drm_res_ctx(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_ctx_res ctx;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &ctx))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               PRINT_FIELD_D("{", ctx, count);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &ctx)) {
> +               PRINT_FIELD_D(" => {", ctx, count);
> +               tprints(", contexts=");
> +               print_array(tcp, ptr_to_kulong(ctx.contexts), ctx.count,
> +                           &ctx, sizeof(ctx),
> +                           tfetch_mem, print_drm_ctx, 0);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +
> +static int
> +drm_agp_enable(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_agp_mode mode;
> +
> +       if (umove_or_printaddr(tcp, arg, &mode))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", mode, mode);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_agp_info(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_agp_info info;
> +
> +       if (entering(tcp))
> +
> +       /* exiting-only code */
> +       if (umove_or_printaddr(tcp, arg, &info))
> +               return RVAL_IOCTL_DECODED;
> +       PRINT_FIELD_D("{", info, agp_version_major);
> +       PRINT_FIELD_D(", ", info, agp_version_minor);
> +       PRINT_FIELD_U(", ", info, mode);
> +       PRINT_FIELD_X(", ", info, aperture_base);
> +       PRINT_FIELD_U(", ", info, aperture_size);
> +       PRINT_FIELD_U(", ", info, memory_allowed);
> +       PRINT_FIELD_U(", ", info, memory_used);
> +       PRINT_FIELD_X(", ", info, id_vendor);
> +       PRINT_FIELD_X(", ", info, id_device);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_agp_alloc(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_agp_buffer buffer;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &buffer))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", buffer, size);
> +               PRINT_FIELD_U(", ", buffer, type);
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &buffer)) {
> +               PRINT_FIELD_U(", ", buffer, handle);
> +               PRINT_FIELD_U(", ", buffer, physical);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_agp_free(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_agp_buffer buffer;
> +
> +       if (umove_or_printaddr(tcp, arg, &buffer))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", buffer, handle);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_agp_bind(struct tcb *const tcp, const kernel_ulong_t arg, bool
> is_bind)
> +{
> +       struct_drm_agp_binding binding;
> +
> +       if (umove_or_printaddr(tcp, arg, &binding))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", binding, handle);
> +       if (is_bind)
> +               PRINT_FIELD_X(", ", binding, offset);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_scatter_gather(struct tcb *const tcp, const kernel_ulong_t arg,
> +                  bool is_alloc)
> +{
> +       struct_drm_scatter_gather sg;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &sg))
> +                       return RVAL_IOCTL_DECODED;
> +               if (is_alloc)
> +                       PRINT_FIELD_U("{", sg, size);
> +               else
> +                       PRINT_FIELD_U("{", sg, handle);
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &sg)) {
> +               if (is_alloc)
> +                       PRINT_FIELD_U(", ", sg, handle);
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_wait_vblank(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       union_drm_wait_vblank vblank;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &vblank))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               /* TODO: constants with _DRM_VBLANK_HIGH_CRTC_MASK is not
> added */
> +               tprints("{request={type=");
> +               printxval(drm_vblank_seq_type,
> +                         vblank.request.type & _DRM_VBLANK_TYPES_MASK,
> +                         "_DRM_VBLANK_???");
> +               tprints(", type.flags=");
> +               printflags(drm_vblank_seq_type_flags,
> +                          vblank.request.type & _DRM_VBLANK_FLAGS_MASK,
> +                          "_DRM_VBLANK_???");
> +               PRINT_FIELD_U(", ", vblank.request, sequence);
> +               PRINT_FIELD_U(", ", vblank.request, signal);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &vblank)) {
> +               tprints(", {reply={type=");
> +               printxval(drm_vblank_seq_type,
> +                         vblank.reply.type & _DRM_VBLANK_TYPES_MASK,
> +                         "_DRM_VBLANK_???");
> +               tprints(", type.flags=");
> +               printflags(drm_vblank_seq_type_flags,
> +                          vblank.reply.type & _DRM_VBLANK_FLAGS_MASK,
> +                          "_DRM_VBLANK_???");
> +
> +               PRINT_FIELD_U(", ", vblank.reply, sequence);
> +               PRINT_FIELD_D(", ", vblank.reply, tval_sec);
> +               PRINT_FIELD_D(", ", vblank.reply, tval_usec);
> +               tprints("}");
> +       }
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static bool
> +print_drm_mode_modeinfo(struct tcb *tcp, void *elem_buf,
> +                       size_t elem_size, void *data)
> +{
> +       const struct drm_mode_modeinfo *p = elem_buf;
> +       PRINT_FIELD_U("{", *p, clock);
> +       PRINT_FIELD_U(", ", *p, hdisplay);
> +       PRINT_FIELD_U(", ", *p, hsync_start);
> +       PRINT_FIELD_U(", ", *p, hsync_end);
> +       PRINT_FIELD_U(", ", *p, htotal);
> +       PRINT_FIELD_U(", ", *p, hskew);
> +       PRINT_FIELD_U(", ", *p, vdisplay);
> +       PRINT_FIELD_U(", ", *p, vsync_start);
> +       PRINT_FIELD_U(", ", *p, vsync_end);
> +       PRINT_FIELD_U(", ", *p, vtotal);
> +       PRINT_FIELD_U(", ", *p, vscan);
> +       PRINT_FIELD_U(", ", *p, vrefresh);
> +       PRINT_FIELD_FLAGS(", ", *p, flags, drm_mode_flags,
> +                        "DRM_MODE_FLAG_PIC_???");
> +       PRINT_FIELD_XVAL(", ", *p, type, drm_mode_type,
> +                        "DRM_MODE_TYPE_???");
> +       PRINT_FIELD_CSTRING(", ", *p, name);
> +       tprints("}");
> +       return true;
> +}
> +
> +static void
> +print_mode_get_connector_head(struct tcb *const tcp,
> +                             const kernel_ulong_t arg,
> +                             struct_drm_mode_get_connector *con,
> +                             const char *suffix)
> +{
> +               PRINT_FIELD_U("{", *con, connector_id);
> +               PRINT_FIELD_U(", ", *con, count_modes);
> +               PRINT_FIELD_U(", ", *con, count_props);
> +               PRINT_FIELD_U(", ", *con, count_encoders);
> +               tprints(suffix);
> +}
> +
> +static int
> +drm_mode_get_connector(struct tcb *const tcp, const kernel_ulong_t arg,
> +                      uint32_t size)
> +{
> +       struct_drm_mode_get_connector con;
> +       struct drm_mode_modeinfo modeinfo;
> +       uint32_t u32_val;
> +       uint64_t u64_val;
> +
> +       if (entering(tcp)) {
> +               if (umoven_or_printaddr(tcp, arg, size, &con))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               print_mode_get_connector_head(tcp, arg, &con, "}");
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umoven(tcp, arg, size, &con)) {
> +               tprints(" => ");
> +               print_mode_get_connector_head(tcp, arg, &con, "");
> +               tprints(", encoders_ptr=");
> +               print_array(tcp, con.encoders_ptr, con.count_encoders,
> +                           &u32_val, sizeof(u32_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               tprints(", modes_ptr=");
> +               print_array(tcp, con.modes_ptr, con.count_modes,
> +                           &modeinfo, sizeof(modeinfo),
> +                           tfetch_mem, print_drm_mode_modeinfo, 0);
> +               tprints(", props_ptr=");
> +               print_array(tcp, con.props_ptr, con.count_props,
> +                           &u32_val, sizeof(u32_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               tprints(", prop_values_ptr=");
> +               print_array(tcp, con.prop_values_ptr, con.count_props,
> +                           &u64_val, sizeof(u64_val),
> +                           tfetch_mem, print_uint64_array_member, 0);
> +               PRINT_FIELD_U(", ", con, encoder_id);
> +               PRINT_FIELD_U(", ", con, connector_type);
> +               PRINT_FIELD_U(", ", con, connector_type_id);
> +               PRINT_FIELD_U(", ", con, connection);
> +               PRINT_FIELD_U(", ", con, mm_width);
> +               PRINT_FIELD_U(", ", con, mm_height);
> +               PRINT_FIELD_U(", ", con, subpixel);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_add_fb2(struct tcb *const tcp, const kernel_ulong_t arg,
> +                uint32_t size)
> +{
> +       struct_drm_mode_fb_cmd2 cmd;
> +
> +       if (entering(tcp)) {
> +               if (umoven_or_printaddr(tcp, arg, size, &cmd))
> +                       return RVAL_IOCTL_DECODED;
> +               PRINT_FIELD_U("{", cmd, width);
> +               PRINT_FIELD_U(", ", cmd, height);
> +               PRINT_FIELD_X(", ", cmd, pixel_format);
> +               PRINT_FIELD_FLAGS(", ", cmd, flags, drm_mode_fb_cmd2_flags,
> +                                 "DRM_MODE_FB_???");
> +               tprintf(", handles=[%u, %u, %u, %u]",
> +                       cmd.handles[0], cmd.handles[1],
> +                       cmd.handles[2], cmd.handles[3]);
> +               tprintf(", pitches=[%u, %u, %u, %u]",
> +                       cmd.pitches[0], cmd.pitches[1],
> +                       cmd.pitches[2], cmd.pitches[3]);
> +               tprintf(", offsets=[%u, %u, %u, %u]",
> +                       cmd.offsets[0], cmd.offsets[1],
> +                       cmd.offsets[2], cmd.offsets[3]);
> +               /* modifier field was added in Linux commit
> v4.1-rc1~69^2~35^2~57. */
> +               if (size > offsetof(struct_drm_mode_fb_cmd2, modifier)) {
> +                       tprintf(", modifiers=[%" PRIu64 ", %" PRIu64 ", %"
> PRIu64 ", %" PRIu64 "]",
> +                               (uint64_t) cmd.modifier[0], (uint64_t)
> cmd.modifier[1],
> +                               (uint64_t) cmd.modifier[2], (uint64_t)
> cmd.modifier[3]);
> +               }
> +
> +               return 0;
> +       }
> +
> +       if (!syserror(tcp) && !umoven(tcp, arg, size, &cmd))
> +               PRINT_FIELD_U(", ", cmd, fb_id);
> +
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_getplaneresources(struct tcb *const tcp, const kernel_ulong_t
> arg)
> +{
> +       struct_drm_mode_get_plane_res res;
> +       uint32_t plane_id_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &res))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               tprints("{plane_id_ptr=");
> +               print_array(tcp, res.plane_id_ptr, res.count_planes,
> +                           &plane_id_val, sizeof(plane_id_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               PRINT_FIELD_U(", ", res, count_planes);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &res)) {
> +               PRINT_FIELD_U(" => {", res, count_planes);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_obj_getproperties(struct tcb *const tcp, const kernel_ulong_t
> arg)
> +{
> +       struct_drm_mode_obj_get_properties prop;
> +       uint32_t u32_val;
> +       uint64_t u64_val;
> +
> +       if (entering(tcp)) {
> +               if (umove_or_printaddr(tcp, arg, &prop))
> +                       return RVAL_IOCTL_DECODED;
> +
> +               tprints("{props_ptr=");
> +               print_array(tcp, prop.props_ptr, prop.count_props,
> +                           &u32_val, sizeof(u32_val),
> +                           tfetch_mem, print_uint32_array_member, 0);
> +               tprints(", prop_values_ptr=");
> +               print_array(tcp, prop.prop_values_ptr, prop.count_props,
> +                           &u64_val, sizeof(u64_val),
> +                           tfetch_mem, print_uint64_array_member, 0);
> +               PRINT_FIELD_U(", ", prop, count_props);
> +               PRINT_FIELD_U(", ", prop, obj_id);
> +               PRINT_FIELD_U(", ", prop, obj_type);
> +               tprints("}");
> +
> +               return 0;
> +       }
> +
> +       if (umove_nor_syserror(tcp, arg, &prop)) {
> +               PRINT_FIELD_U(" => {", prop, count_props);
> +               tprints("}");
> +       }
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +static int
> +drm_mode_obj_setproperty(struct tcb *const tcp, const kernel_ulong_t arg)
> +{
> +       struct_drm_mode_obj_set_property prop;
> +
> +       if (umove_or_printaddr(tcp, arg, &prop))
> +               return RVAL_IOCTL_DECODED;
> +
> +       PRINT_FIELD_U("{", prop, value);
> +       PRINT_FIELD_U(", ", prop, prop_id);
> +       PRINT_FIELD_U(", ", prop, obj_id);
> +       PRINT_FIELD_U(", ", prop, obj_type);
> +       tprints("}");
> +
> +       return RVAL_IOCTL_DECODED;
> +}
> +
> +MPERS_PRINTER_DECL(int, drm_ioctl_mpers, struct tcb *const tcp,
> +                  const unsigned int code, const kernel_ulong_t arg)
> +{
> +       switch (code) {
> +       case DRM_IOCTL_VERSION: /* RW */
> +               return drm_version(tcp, arg);
> +       case DRM_IOCTL_GET_UNIQUE: /* RW */
> +               return drm_unique(tcp, arg);
> +       case DRM_IOCTL_GET_MAP: /* RW */
> +               return drm_get_map(tcp, arg);
> +       case DRM_IOCTL_GET_CLIENT: /* RW */
> +               return drm_get_client(tcp, arg);
> +       case DRM_IOCTL_ADD_MAP: /* RW */
> +               return drm_add_map(tcp, arg);
> +       case DRM_IOCTL_ADD_BUFS: /* RW */
> +               return drm_add_bufs(tcp, arg);
> +       case DRM_IOCTL_MARK_BUFS: /* W */
> +               return drm_mark_bufs(tcp, arg);
> +       case DRM_IOCTL_INFO_BUFS: /* RW */
> +               return drm_info_bufs(tcp, arg);
> +       case DRM_IOCTL_MAP_BUFS: /* RW */
> +               return drm_map_bufs(tcp, arg);
> +       case DRM_IOCTL_FREE_BUFS: /* W */
> +               return drm_free_bufs(tcp, arg);
> +       case DRM_IOCTL_RM_MAP: /* W */
> +               return drm_rm_map(tcp, arg);
> +       case DRM_IOCTL_SET_SAREA_CTX:
> +       case DRM_IOCTL_GET_SAREA_CTX:
> +               return drm_sarea_ctx(tcp, arg, code ==
> DRM_IOCTL_GET_SAREA_CTX);
> +       case DRM_IOCTL_RES_CTX: /* RW */
> +               return drm_res_ctx(tcp, arg);
> +       case DRM_IOCTL_AGP_ENABLE: /* W */
> +               return drm_agp_enable(tcp, arg);
> +       case DRM_IOCTL_AGP_INFO: /* R */
> +               return drm_agp_info(tcp, arg);
> +       case DRM_IOCTL_AGP_ALLOC: /* RW */
> +               return drm_agp_alloc(tcp, arg);
> +       case DRM_IOCTL_AGP_FREE: /* W */
> +               return drm_agp_free(tcp, arg);
> +       case DRM_IOCTL_AGP_BIND: /* W */
> +       case DRM_IOCTL_AGP_UNBIND: /* W */
> +               return drm_agp_bind(tcp, arg, code == DRM_IOCTL_AGP_BIND);
> +       case DRM_IOCTL_SG_ALLOC: /* RW */
> +       case DRM_IOCTL_SG_FREE: /* W */
> +               return drm_scatter_gather(tcp, arg, code ==
> DRM_IOCTL_SG_ALLOC);
> +       case DRM_IOCTL_WAIT_VBLANK: /* RW */
> +               return drm_wait_vblank(tcp, arg);
> +       }
> +
> +       /* The structure sizes of ioctl cmds below are different */
> +       /* among kernels and/or personalities so we can't just use */
> +       /* switch(code) to identify them but use _IOC_NR instead. */
> +
> +       if (_IOC_NR(code) == _IOC_NR(DRM_IOCTL_MODE_GETCONNECTOR)) {
> +               return drm_mode_get_connector(tcp, arg, _IOC_SIZE(code));
> +       }
> +
> +       if (_IOC_NR(code) == _IOC_NR(DRM_IOCTL_MODE_ADDFB2)) {
> +               return drm_mode_add_fb2(tcp, arg, _IOC_SIZE(code));
> +       }
> +
> +       /* The structure sizes of ioctl cmds
> DRM_IOCTL_MODE_GETPLANERESOURCES, */
> +       /* DRM_IOCTL_MODE_OBJ_GETPROPERTIES and
> DRM_IOCTL_MODE_OBJ_SETPROPERTY */
> +       /* differs only among personalities, not versions of kernels, this
> is */
> +       /* a little bit different from DRM_IOCTL_MODE_GETCONNECTOR which
> may */
> +       /* differs among both kernels and personalities */
> +       if (_IOC_NR(code) == _IOC_NR(DRM_IOCTL_MODE_GETPLANERESOURCES)) {
> +               return drm_mode_getplaneresources(tcp, arg);
> +       }
> +
> +       if (_IOC_NR(code) == _IOC_NR(DRM_IOCTL_MODE_OBJ_GETPROPERTIES)) {
> +               return drm_mode_obj_getproperties(tcp, arg);
> +       }
> +
> +       if (_IOC_NR(code) == _IOC_NR(DRM_IOCTL_MODE_OBJ_SETPROPERTY)) {
> +               return drm_mode_obj_setproperty(tcp, arg);
> +       }
> +
> +       return RVAL_DECODED;
> +}
> diff --git a/ioctl.c b/ioctl.c
> index b80292cb..75bdc209 100644
> --- a/ioctl.c
> +++ b/ioctl.c
> @@ -195,6 +195,8 @@ ioctl_decode_command_number(struct tcb *tcp)
>                                 return 1;
>                         }
>                         return 0;
> +               case 'd':
> +                       return drm_decode_number(tcp, code);
>                 default:
>                         return 0;
>         }
> @@ -264,6 +266,8 @@ ioctl_decode(struct tcb *tcp)
>                 return fs_x_ioctl(tcp, code, arg);
>         case 0x22:
>                 return scsi_ioctl(tcp, code, arg);
> +       case 'd':
> +               return drm_ioctl(tcp, code, arg);
>         case 'L':
>                 return loop_ioctl(tcp, code, arg);
>  #ifdef HAVE_STRUCT_MTD_WRITE_REQ
> diff --git a/linux/drm/drm.h b/linux/drm/drm.h
> new file mode 100644
> index 00000000..efcd16c3
> --- /dev/null
> +++ b/linux/drm/drm.h
> @@ -0,0 +1,1042 @@
> +/**
> + * \file drm.h
> + * Header for the Direct Rendering Manager
> + *
> + * \author Rickard E. (Rik) Faith <faith at valinux.com>
> + *
> + * \par Acknowledgments:
> + * Dec 1999, Richard Henderson <rth at twiddle.net>, move to generic \c
> cmpxchg.
> + */
> +
> +/*
> + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
> + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
> + * All rights reserved.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> "Software"),
> + * to deal in the Software without restriction, including without
> limitation
> + * the rights to use, copy, modify, merge, publish, distribute,
> sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the
> next
> + * paragraph) shall be included in all copies or substantial portions of
> the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT
> SHALL
> + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES
> OR
> + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +#ifndef _DRM_H_
> +#define _DRM_H_
> +
> +#if   defined(__linux__)
> +
> +#include <linux/types.h>
> +#include <linux/fcntl.h>
> +#include <asm/ioctl.h>
> +typedef unsigned int drm_handle_t;
> +
> +#else /* One of the BSDs */
> +
> +#include <stdint.h>
> +#include <sys/ioccom.h>
> +#include <sys/types.h>
> +typedef int8_t   __s8;
> +typedef uint8_t  __u8;
> +typedef int16_t  __s16;
> +typedef uint16_t __u16;
> +typedef int32_t  __s32;
> +typedef uint32_t __u32;
> +typedef int64_t  __s64;
> +typedef uint64_t __u64;
> +typedef unsigned long drm_handle_t;
> +
> +#endif
> +
> +#if defined(__cplusplus)
> +extern "C" {
> +#endif
> +
> +#define DRM_NAME       "drm"     /**< Name in kernel, /dev, and /proc */
> +#define DRM_MIN_ORDER  5         /**< At least 2^5 bytes = 32 bytes */
> +#define DRM_MAX_ORDER  22        /**< Up to 2^22 bytes = 4MB */
> +#define DRM_RAM_PERCENT 10       /**< How much system ram can we lock? */
> +
> +#define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
> +#define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
> +#define _DRM_LOCK_IS_HELD(lock)           ((lock) & _DRM_LOCK_HELD)
> +#define _DRM_LOCK_IS_CONT(lock)           ((lock) & _DRM_LOCK_CONT)
> +#define _DRM_LOCKING_CONTEXT(lock) ((lock) &
> ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
> +
> +typedef unsigned int drm_context_t;
> +typedef unsigned int drm_drawable_t;
> +typedef unsigned int drm_magic_t;
> +
> +/**
> + * Cliprect.
> + *
> + * \warning: If you change this structure, make sure you change
> + * XF86DRIClipRectRec in the server as well
> + *
> + * \note KW: Actually it's illegal to change either for
> + * backwards-compatibility reasons.
> + */
> +struct drm_clip_rect {
> +       unsigned short x1;
> +       unsigned short y1;
> +       unsigned short x2;
> +       unsigned short y2;
> +};
> +
> +/**
> + * Drawable information.
> + */
> +struct drm_drawable_info {
> +       unsigned int num_rects;
> +       struct drm_clip_rect *rects;
> +};
> +
> +/**
> + * Texture region,
> + */
> +struct drm_tex_region {
> +       unsigned char next;
> +       unsigned char prev;
> +       unsigned char in_use;
> +       unsigned char padding;
> +       unsigned int age;
> +};
> +
> +/**
> + * Hardware lock.
> + *
> + * The lock structure is a simple cache-line aligned integer.  To avoid
> + * processor bus contention on a multiprocessor system, there should not
> be any
> + * other data stored in the same cache line.
> + */
> +struct drm_hw_lock {
> +       __volatile__ unsigned int lock;         /**< lock variable */
> +       char padding[60];                       /**< Pad to cache line */
> +};
> +
> +/**
> + * DRM_IOCTL_VERSION ioctl argument type.
> + *
> + * \sa drmGetVersion().
> + */
> +struct drm_version {
> +       int version_major;        /**< Major version */
> +       int version_minor;        /**< Minor version */
> +       int version_patchlevel;   /**< Patch level */
> +       size_t name_len;          /**< Length of name buffer */
> +       char *name;       /**< Name of driver */
> +       size_t date_len;          /**< Length of date buffer */
> +       char *date;       /**< User-space buffer to hold date */
> +       size_t desc_len;          /**< Length of desc buffer */
> +       char *desc;       /**< User-space buffer to hold desc */
> +};
> +
> +/**
> + * DRM_IOCTL_GET_UNIQUE ioctl argument type.
> + *
> + * \sa drmGetBusid() and drmSetBusId().
> + */
> +struct drm_unique {
> +       size_t unique_len;        /**< Length of unique */
> +       char *unique;     /**< Unique name for driver instantiation */
> +};
> +
> +struct drm_list {
> +       int count;                /**< Length of user-space structures */
> +       struct drm_version *version;
> +};
> +
> +struct drm_block {
> +       int unused;
> +};
> +
> +/**
> + * DRM_IOCTL_CONTROL ioctl argument type.
> + *
> + * \sa drmCtlInstHandler() and drmCtlUninstHandler().
> + */
> +struct drm_control {
> +       enum {
> +               DRM_ADD_COMMAND,
> +               DRM_RM_COMMAND,
> +               DRM_INST_HANDLER,
> +               DRM_UNINST_HANDLER
> +       } func;
> +       int irq;
> +};
> +
> +/**
> + * Type of memory to map.
> + */
> +enum drm_map_type {
> +       _DRM_FRAME_BUFFER = 0,    /**< WC (no caching), no core dump */
> +       _DRM_REGISTERS = 1,       /**< no caching, no core dump */
> +       _DRM_SHM = 2,             /**< shared, cached */
> +       _DRM_AGP = 3,             /**< AGP/GART */
> +       _DRM_SCATTER_GATHER = 4,  /**< Scatter/gather memory for PCI DMA */
> +       _DRM_CONSISTENT = 5       /**< Consistent memory for PCI DMA */
> +};
> +
> +/**
> + * Memory mapping flags.
> + */
> +enum drm_map_flags {
> +       _DRM_RESTRICTED = 0x01,      /**< Cannot be mapped to user-virtual
> */
> +       _DRM_READ_ONLY = 0x02,
> +       _DRM_LOCKED = 0x04,          /**< shared, cached, locked */
> +       _DRM_KERNEL = 0x08,          /**< kernel requires access */
> +       _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available
> */
> +       _DRM_CONTAINS_LOCK = 0x20,   /**< SHM page that contains lock */
> +       _DRM_REMOVABLE = 0x40,       /**< Removable mapping */
> +       _DRM_DRIVER = 0x80           /**< Managed by driver */
> +};
> +
> +struct drm_ctx_priv_map {
> +       unsigned int ctx_id;     /**< Context requesting private mapping */
> +       void *handle;            /**< Handle of map */
> +};
> +
> +/**
> + * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
> + * argument type.
> + *
> + * \sa drmAddMap().
> + */
> +struct drm_map {
> +       unsigned long offset;    /**< Requested physical address (0 for
> SAREA)*/
> +       unsigned long size;      /**< Requested physical size (bytes) */
> +       enum drm_map_type type;  /**< Type of memory to map */
> +       enum drm_map_flags flags;        /**< Flags */
> +       void *handle;            /**< User-space: "Handle" to pass to
> mmap() */
> +                                /**< Kernel-space: kernel-virtual address
> */
> +       int mtrr;                /**< MTRR slot used */
> +       /*   Private data */
> +};
> +
> +/**
> + * DRM_IOCTL_GET_CLIENT ioctl argument type.
> + */
> +struct drm_client {
> +       int idx;                /**< Which client desired? */
> +       int auth;               /**< Is client authenticated? */
> +       unsigned long pid;      /**< Process ID */
> +       unsigned long uid;      /**< User ID */
> +       unsigned long magic;    /**< Magic */
> +       unsigned long iocs;     /**< Ioctl count */
> +};
> +
> +enum drm_stat_type {
> +       _DRM_STAT_LOCK,
> +       _DRM_STAT_OPENS,
> +       _DRM_STAT_CLOSES,
> +       _DRM_STAT_IOCTLS,
> +       _DRM_STAT_LOCKS,
> +       _DRM_STAT_UNLOCKS,
> +       _DRM_STAT_VALUE,        /**< Generic value */
> +       _DRM_STAT_BYTE,         /**< Generic byte counter (1024bytes/K) */
> +       _DRM_STAT_COUNT,        /**< Generic non-byte counter (1000/k) */
> +
> +       _DRM_STAT_IRQ,          /**< IRQ */
> +       _DRM_STAT_PRIMARY,      /**< Primary DMA bytes */
> +       _DRM_STAT_SECONDARY,    /**< Secondary DMA bytes */
> +       _DRM_STAT_DMA,          /**< DMA */
> +       _DRM_STAT_SPECIAL,      /**< Special DMA (e.g., priority or
> polled) */
> +       _DRM_STAT_MISSED        /**< Missed DMA opportunity */
> +           /* Add to the *END* of the list */
> +};
> +
> +/**
> + * DRM_IOCTL_GET_STATS ioctl argument type.
> + */
> +struct drm_stats {
> +       unsigned long count;
> +       struct {
> +               unsigned long value;
> +               enum drm_stat_type type;
> +       } data[15];
> +};
> +
> +/**
> + * Hardware locking flags.
> + */
> +enum drm_lock_flags {
> +       _DRM_LOCK_READY = 0x01,      /**< Wait until hardware is ready for
> DMA */
> +       _DRM_LOCK_QUIESCENT = 0x02,  /**< Wait until hardware quiescent */
> +       _DRM_LOCK_FLUSH = 0x04,      /**< Flush this context's DMA queue
> first */
> +       _DRM_LOCK_FLUSH_ALL = 0x08,  /**< Flush all DMA queues first */
> +       /* These *HALT* flags aren't supported yet
> +          -- they will be used to support the
> +          full-screen DGA-like mode. */
> +       _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future
> queues */
> +       _DRM_HALT_CUR_QUEUES = 0x20  /**< Halt all current queues */
> +};
> +
> +/**
> + * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument
> type.
> + *
> + * \sa drmGetLock() and drmUnlock().
> + */
> +struct drm_lock {
> +       int context;
> +       enum drm_lock_flags flags;
> +};
> +
> +/**
> + * DMA flags
> + *
> + * \warning
> + * These values \e must match xf86drm.h.
> + *
> + * \sa drm_dma.
> + */
> +enum drm_dma_flags {
> +       /* Flags for DMA buffer dispatch */
> +       _DRM_DMA_BLOCK = 0x01,        /**<
> +                                      * Block until buffer dispatched.
> +                                      *
> +                                      * \note The buffer may not yet have
> +                                      * been processed by the hardware --
> +                                      * getting a hardware lock with the
> +                                      * hardware quiescent will ensure
> +                                      * that the buffer has been
> +                                      * processed.
> +                                      */
> +       _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
> +       _DRM_DMA_PRIORITY = 0x04,     /**< High priority dispatch */
> +
> +       /* Flags for DMA buffer request */
> +       _DRM_DMA_WAIT = 0x10,         /**< Wait for free buffers */
> +       _DRM_DMA_SMALLER_OK = 0x20,   /**< Smaller-than-requested buffers
> OK */
> +       _DRM_DMA_LARGER_OK = 0x40     /**< Larger-than-requested buffers
> OK */
> +};
> +
> +/**
> + * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
> + *
> + * \sa drmAddBufs().
> + */
> +struct drm_buf_desc {
> +       int count;               /**< Number of buffers of this size */
> +       int size;                /**< Size in bytes */
> +       int low_mark;            /**< Low water mark */
> +       int high_mark;           /**< High water mark */
> +       enum {
> +               _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for
> DMA */
> +               _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
> +               _DRM_SG_BUFFER = 0x04,  /**< Scatter/gather memory buffer
> */
> +               _DRM_FB_BUFFER = 0x08,  /**< Buffer is in frame buffer */
> +               _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer
> read-only */
> +       } flags;
> +       unsigned long agp_start; /**<
> +                                 * Start address of where the AGP buffers
> are
> +                                 * in the AGP aperture
> +                                 */
> +};
> +
> +/**
> + * DRM_IOCTL_INFO_BUFS ioctl argument type.
> + */
> +struct drm_buf_info {
> +       int count;              /**< Entries in list */
> +       struct drm_buf_desc *list;
> +};
> +
> +/**
> + * DRM_IOCTL_FREE_BUFS ioctl argument type.
> + */
> +struct drm_buf_free {
> +       int count;
> +       int *list;
> +};
> +
> +/**
> + * Buffer information
> + *
> + * \sa drm_buf_map.
> + */
> +struct drm_buf_pub {
> +       int idx;                       /**< Index into the master buffer
> list */
> +       int total;                     /**< Buffer size */
> +       int used;                      /**< Amount of buffer in use (for
> DMA) */
> +       void *address;         /**< Address of buffer */
> +};
> +
> +/**
> + * DRM_IOCTL_MAP_BUFS ioctl argument type.
> + */
> +struct drm_buf_map {
> +       int count;              /**< Length of the buffer list */
> +#ifdef __cplusplus
> +       void *virt;
> +#else
> +       void *virtual;          /**< Mmap'd area in user-virtual */
> +#endif
> +       struct drm_buf_pub *list;       /**< Buffer information */
> +};
> +
> +/**
> + * DRM_IOCTL_DMA ioctl argument type.
> + *
> + * Indices here refer to the offset into the buffer list in drm_buf_get.
> + *
> + * \sa drmDMA().
> + */
> +struct drm_dma {
> +       int context;                      /**< Context handle */
> +       int send_count;                   /**< Number of buffers to send */
> +       int *send_indices;        /**< List of handles to buffers */
> +       int *send_sizes;                  /**< Lengths of data to send */
> +       enum drm_dma_flags flags;         /**< Flags */
> +       int request_count;                /**< Number of buffers requested
> */
> +       int request_size;                 /**< Desired size for buffers */
> +       int *request_indices;     /**< Buffer information */
> +       int *request_sizes;
> +       int granted_count;                /**< Number of buffers granted */
> +};
> +
> +enum drm_ctx_flags {
> +       _DRM_CONTEXT_PRESERVED = 0x01,
> +       _DRM_CONTEXT_2DONLY = 0x02
> +};
> +
> +/**
> + * DRM_IOCTL_ADD_CTX ioctl argument type.
> + *
> + * \sa drmCreateContext() and drmDestroyContext().
> + */
> +struct drm_ctx {
> +       drm_context_t handle;
> +       enum drm_ctx_flags flags;
> +};
> +
> +/**
> + * DRM_IOCTL_RES_CTX ioctl argument type.
> + */
> +struct drm_ctx_res {
> +       int count;
> +       struct drm_ctx *contexts;
> +};
> +
> +/**
> + * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
> + */
> +struct drm_draw {
> +       drm_drawable_t handle;
> +};
> +
> +/**
> + * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
> + */
> +typedef enum {
> +       DRM_DRAWABLE_CLIPRECTS
> +} drm_drawable_info_type_t;
> +
> +struct drm_update_draw {
> +       drm_drawable_t handle;
> +       unsigned int type;
> +       unsigned int num;
> +       unsigned long long data;
> +};
> +
> +/**
> + * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
> + */
> +struct drm_auth {
> +       drm_magic_t magic;
> +};
> +
> +/**
> + * DRM_IOCTL_IRQ_BUSID ioctl argument type.
> + *
> + * \sa drmGetInterruptFromBusID().
> + */
> +struct drm_irq_busid {
> +       int irq;        /**< IRQ number */
> +       int busnum;     /**< bus number */
> +       int devnum;     /**< device number */
> +       int funcnum;    /**< function number */
> +};
> +
> +enum drm_vblank_seq_type {
> +       _DRM_VBLANK_ABSOLUTE = 0x0,     /**< Wait for specific vblank
> sequence number */
> +       _DRM_VBLANK_RELATIVE = 0x1,     /**< Wait for given number of
> vblanks */
> +       /* bits 1-6 are reserved for high crtcs */
> +       _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
> +       _DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of
> blocking */
> +       _DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should
> flip */
> +       _DRM_VBLANK_NEXTONMISS = 0x10000000,    /**< If missed, wait for
> next vblank */
> +       _DRM_VBLANK_SECONDARY = 0x20000000,     /**< Secondary display
> controller */
> +       _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of
> blocking, unsupported */
> +};
> +#define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
> +
> +#define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE |
> _DRM_VBLANK_RELATIVE)
> +#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
> +                               _DRM_VBLANK_SECONDARY |
> _DRM_VBLANK_NEXTONMISS)
> +
> +struct drm_wait_vblank_request {
> +       enum drm_vblank_seq_type type;
> +       unsigned int sequence;
> +       unsigned long signal;
> +};
> +
> +struct drm_wait_vblank_reply {
> +       enum drm_vblank_seq_type type;
> +       unsigned int sequence;
> +       long tval_sec;
> +       long tval_usec;
> +};
> +
> +/**
> + * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
> + *
> + * \sa drmWaitVBlank().
> + */
> +union drm_wait_vblank {
> +       struct drm_wait_vblank_request request;
> +       struct drm_wait_vblank_reply reply;
> +};
> +
> +#define _DRM_PRE_MODESET 1
> +#define _DRM_POST_MODESET 2
> +
> +/**
> + * DRM_IOCTL_MODESET_CTL ioctl argument type
> + *
> + * \sa drmModesetCtl().
> + */
> +struct drm_modeset_ctl {
> +       __u32 crtc;
> +       __u32 cmd;
> +};
> +
> +/**
> + * DRM_IOCTL_AGP_ENABLE ioctl argument type.
> + *
> + * \sa drmAgpEnable().
> + */
> +struct drm_agp_mode {
> +       unsigned long mode;     /**< AGP mode */
> +};
> +
> +/**
> + * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
> + *
> + * \sa drmAgpAlloc() and drmAgpFree().
> + */
> +struct drm_agp_buffer {
> +       unsigned long size;     /**< In bytes -- will round to page
> boundary */
> +       unsigned long handle;   /**< Used for binding / unbinding */
> +       unsigned long type;     /**< Type of memory to allocate */
> +       unsigned long physical; /**< Physical used by i810 */
> +};
> +
> +/**
> + * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
> + *
> + * \sa drmAgpBind() and drmAgpUnbind().
> + */
> +struct drm_agp_binding {
> +       unsigned long handle;   /**< From drm_agp_buffer */
> +       unsigned long offset;   /**< In bytes -- will round to page
> boundary */
> +};
> +
> +/**
> + * DRM_IOCTL_AGP_INFO ioctl argument type.
> + *
> + * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
> + * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
> + * drmAgpVendorId() and drmAgpDeviceId().
> + */
> +struct drm_agp_info {
> +       int agp_version_major;
> +       int agp_version_minor;
> +       unsigned long mode;
> +       unsigned long aperture_base;    /* physical address */
> +       unsigned long aperture_size;    /* bytes */
> +       unsigned long memory_allowed;   /* bytes */
> +       unsigned long memory_used;
> +
> +       /* PCI information */
> +       unsigned short id_vendor;
> +       unsigned short id_device;
> +};
> +
> +/**
> + * DRM_IOCTL_SG_ALLOC ioctl argument type.
> + */
> +struct drm_scatter_gather {
> +       unsigned long size;     /**< In bytes -- will round to page
> boundary */
> +       unsigned long handle;   /**< Used for mapping / unmapping */
> +};
> +
> +/**
> + * DRM_IOCTL_SET_VERSION ioctl argument type.
> + */
> +struct drm_set_version {
> +       int drm_di_major;
> +       int drm_di_minor;
> +       int drm_dd_major;
> +       int drm_dd_minor;
> +};
> +
> +/** DRM_IOCTL_GEM_CLOSE ioctl argument type */
> +struct drm_gem_close {
> +       /** Handle of the object to be closed. */
> +       __u32 handle;
> +       __u32 pad;
> +};
> +
> +/** DRM_IOCTL_GEM_FLINK ioctl argument type */
> +struct drm_gem_flink {
> +       /** Handle for the object being named */
> +       __u32 handle;
> +
> +       /** Returned global name */
> +       __u32 name;
> +};
> +
> +/** DRM_IOCTL_GEM_OPEN ioctl argument type */
> +struct drm_gem_open {
> +       /** Name of object being opened */
> +       __u32 name;
> +
> +       /** Returned handle for the object */
> +       __u32 handle;
> +
> +       /** Returned size of the object */
> +       __u64 size;
> +};
> +
> +#define DRM_CAP_DUMB_BUFFER            0x1
> +#define DRM_CAP_VBLANK_HIGH_CRTC       0x2
> +#define DRM_CAP_DUMB_PREFERRED_DEPTH   0x3
> +#define DRM_CAP_DUMB_PREFER_SHADOW     0x4
> +#define DRM_CAP_PRIME                  0x5
> +#define  DRM_PRIME_CAP_IMPORT          0x1
> +#define  DRM_PRIME_CAP_EXPORT          0x2
> +#define DRM_CAP_TIMESTAMP_MONOTONIC    0x6
> +#define DRM_CAP_ASYNC_PAGE_FLIP                0x7
> +/*
> + * The CURSOR_WIDTH and CURSOR_HEIGHT capabilities return a valid
> widthxheight
> + * combination for the hardware cursor. The intention is that a hardware
> + * agnostic userspace can query a cursor plane size to use.
> + *
> + * Note that the cross-driver contract is to merely return a valid size;
> + * drivers are free to attach another meaning on top, eg. i915 returns the
> + * maximum plane size.
> + */
> +#define DRM_CAP_CURSOR_WIDTH           0x8
> +#define DRM_CAP_CURSOR_HEIGHT          0x9
> +#define DRM_CAP_ADDFB2_MODIFIERS       0x10
> +#define DRM_CAP_PAGE_FLIP_TARGET       0x11
> +#define DRM_CAP_CRTC_IN_VBLANK_EVENT   0x12
> +#define DRM_CAP_SYNCOBJ                0x13
> +#define DRM_CAP_SYNCOBJ_TIMELINE       0x14
> +
> +/** DRM_IOCTL_GET_CAP ioctl argument type */
> +struct drm_get_cap {
> +       __u64 capability;
> +       __u64 value;
> +};
> +
> +/**
> + * DRM_CLIENT_CAP_STEREO_3D
> + *
> + * if set to 1, the DRM core will expose the stereo 3D capabilities of the
> + * monitor by advertising the supported 3D layouts in the flags of struct
> + * drm_mode_modeinfo.
> + */
> +#define DRM_CLIENT_CAP_STEREO_3D       1
> +
> +/**
> + * DRM_CLIENT_CAP_UNIVERSAL_PLANES
> + *
> + * If set to 1, the DRM core will expose all planes (overlay, primary, and
> + * cursor) to userspace.
> + */
> +#define DRM_CLIENT_CAP_UNIVERSAL_PLANES  2
> +
> +/**
> + * DRM_CLIENT_CAP_ATOMIC
> + *
> + * If set to 1, the DRM core will expose atomic properties to userspace
> + */
> +#define DRM_CLIENT_CAP_ATOMIC  3
> +
> +/**
> + * DRM_CLIENT_CAP_ASPECT_RATIO
> + *
> + * If set to 1, the DRM core will provide aspect ratio information in
> modes.
> + */
> +#define DRM_CLIENT_CAP_ASPECT_RATIO    4
> +
> +/**
> + * DRM_CLIENT_CAP_WRITEBACK_CONNECTORS
> + *
> + * If set to 1, the DRM core will expose special connectors to be used for
> + * writing back to memory the scene setup in the commit. Depends on client
> + * also supporting DRM_CLIENT_CAP_ATOMIC
> + */
> +#define DRM_CLIENT_CAP_WRITEBACK_CONNECTORS    5
> +
> +/** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
> +struct drm_set_client_cap {
> +       __u64 capability;
> +       __u64 value;
> +};
> +
> +#define DRM_RDWR O_RDWR
> +#define DRM_CLOEXEC O_CLOEXEC
> +struct drm_prime_handle {
> +       __u32 handle;
> +
> +       /** Flags.. only applicable for handle->fd */
> +       __u32 flags;
> +
> +       /** Returned dmabuf file descriptor */
> +       __s32 fd;
> +};
> +
> +struct drm_syncobj_create {
> +       __u32 handle;
> +#define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0)
> +       __u32 flags;
> +};
> +
> +struct drm_syncobj_destroy {
> +       __u32 handle;
> +       __u32 pad;
> +};
> +
> +#define DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE (1 << 0)
> +#define DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE (1 << 0)
> +struct drm_syncobj_handle {
> +       __u32 handle;
> +       __u32 flags;
> +
> +       __s32 fd;
> +       __u32 pad;
> +};
> +
> +struct drm_syncobj_transfer {
> +       __u32 src_handle;
> +       __u32 dst_handle;
> +       __u64 src_point;
> +       __u64 dst_point;
> +       __u32 flags;
> +       __u32 pad;
> +};
> +
> +#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
> +#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
> +#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2) /* wait for time
> point to become available */
> +struct drm_syncobj_wait {
> +       __u64 handles;
> +       /* absolute timeout */
> +       __s64 timeout_nsec;
> +       __u32 count_handles;
> +       __u32 flags;
> +       __u32 first_signaled; /* only valid when not waiting all */
> +       __u32 pad;
> +};
> +
> +struct drm_syncobj_timeline_wait {
> +       __u64 handles;
> +       /* wait on specific timeline point for every handles*/
> +       __u64 points;
> +       /* absolute timeout */
> +       __s64 timeout_nsec;
> +       __u32 count_handles;
> +       __u32 flags;
> +       __u32 first_signaled; /* only valid when not waiting all */
> +       __u32 pad;
> +};
> +
> +
> +struct drm_syncobj_array {
> +       __u64 handles;
> +       __u32 count_handles;
> +       __u32 pad;
> +};
> +
> +struct drm_syncobj_timeline_array {
> +       __u64 handles;
> +       __u64 points;
> +       __u32 count_handles;
> +       __u32 pad;
> +};
> +
> +
> +/* Query current scanout sequence number */
> +struct drm_crtc_get_sequence {
> +       __u32 crtc_id;          /* requested crtc_id */
> +       __u32 active;           /* return: crtc output is active */
> +       __u64 sequence;         /* return: most recent vblank sequence */
> +       __s64 sequence_ns;      /* return: most recent time of first pixel
> out */
> +};
> +
> +/* Queue event to be delivered at specified sequence. Time stamp marks
> + * when the first pixel of the refresh cycle leaves the display engine
> + * for the display
> + */
> +#define DRM_CRTC_SEQUENCE_RELATIVE             0x00000001      /*
> sequence is relative to current */
> +#define DRM_CRTC_SEQUENCE_NEXT_ON_MISS         0x00000002      /* Use
> next sequence if we've missed */
> +
> +struct drm_crtc_queue_sequence {
> +       __u32 crtc_id;
> +       __u32 flags;
> +       __u64 sequence;         /* on input, target sequence. on output,
> actual sequence */
> +       __u64 user_data;        /* user data passed to event */
> +};
> +
> +#if defined(__cplusplus)
> +}
> +#endif
> +
> +#include "drm_mode.h"
> +
> +#if defined(__cplusplus)
> +extern "C" {
> +#endif
> +
> +#define DRM_IOCTL_BASE                 'd'
> +#define DRM_IO(nr)                     _IO(DRM_IOCTL_BASE,nr)
> +#define DRM_IOR(nr,type)               _IOR(DRM_IOCTL_BASE,nr,type)
> +#define DRM_IOW(nr,type)               _IOW(DRM_IOCTL_BASE,nr,type)
> +#define DRM_IOWR(nr,type)              _IOWR(DRM_IOCTL_BASE,nr,type)
> +
> +#define DRM_IOCTL_VERSION              DRM_IOWR(0x00, struct drm_version)
> +#define DRM_IOCTL_GET_UNIQUE           DRM_IOWR(0x01, struct drm_unique)
> +#define DRM_IOCTL_GET_MAGIC            DRM_IOR( 0x02, struct drm_auth)
> +#define DRM_IOCTL_IRQ_BUSID            DRM_IOWR(0x03, struct
> drm_irq_busid)
> +#define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, struct drm_map)
> +#define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, struct drm_client)
> +#define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
> +#define DRM_IOCTL_SET_VERSION          DRM_IOWR(0x07, struct
> drm_set_version)
> +#define DRM_IOCTL_MODESET_CTL           DRM_IOW(0x08, struct
> drm_modeset_ctl)
> +#define DRM_IOCTL_GEM_CLOSE            DRM_IOW (0x09, struct
> drm_gem_close)
> +#define DRM_IOCTL_GEM_FLINK            DRM_IOWR(0x0a, struct
> drm_gem_flink)
> +#define DRM_IOCTL_GEM_OPEN             DRM_IOWR(0x0b, struct drm_gem_open)
> +#define DRM_IOCTL_GET_CAP              DRM_IOWR(0x0c, struct drm_get_cap)
> +#define DRM_IOCTL_SET_CLIENT_CAP       DRM_IOW( 0x0d, struct
> drm_set_client_cap)
> +
> +#define DRM_IOCTL_SET_UNIQUE           DRM_IOW( 0x10, struct drm_unique)
> +#define DRM_IOCTL_AUTH_MAGIC           DRM_IOW( 0x11, struct drm_auth)
> +#define DRM_IOCTL_BLOCK                        DRM_IOWR(0x12, struct
> drm_block)
> +#define DRM_IOCTL_UNBLOCK              DRM_IOWR(0x13, struct drm_block)
> +#define DRM_IOCTL_CONTROL              DRM_IOW( 0x14, struct drm_control)
> +#define DRM_IOCTL_ADD_MAP              DRM_IOWR(0x15, struct drm_map)
> +#define DRM_IOCTL_ADD_BUFS             DRM_IOWR(0x16, struct drm_buf_desc)
> +#define DRM_IOCTL_MARK_BUFS            DRM_IOW( 0x17, struct drm_buf_desc)
> +#define DRM_IOCTL_INFO_BUFS            DRM_IOWR(0x18, struct drm_buf_info)
> +#define DRM_IOCTL_MAP_BUFS             DRM_IOWR(0x19, struct drm_buf_map)
> +#define DRM_IOCTL_FREE_BUFS            DRM_IOW( 0x1a, struct drm_buf_free)
> +
> +#define DRM_IOCTL_RM_MAP               DRM_IOW( 0x1b, struct drm_map)
> +
> +#define DRM_IOCTL_SET_SAREA_CTX                DRM_IOW( 0x1c, struct
> drm_ctx_priv_map)
> +#define DRM_IOCTL_GET_SAREA_CTX        DRM_IOWR(0x1d, struct
> drm_ctx_priv_map)
> +
> +#define DRM_IOCTL_SET_MASTER            DRM_IO(0x1e)
> +#define DRM_IOCTL_DROP_MASTER           DRM_IO(0x1f)
> +
> +#define DRM_IOCTL_ADD_CTX              DRM_IOWR(0x20, struct drm_ctx)
> +#define DRM_IOCTL_RM_CTX               DRM_IOWR(0x21, struct drm_ctx)
> +#define DRM_IOCTL_MOD_CTX              DRM_IOW( 0x22, struct drm_ctx)
> +#define DRM_IOCTL_GET_CTX              DRM_IOWR(0x23, struct drm_ctx)
> +#define DRM_IOCTL_SWITCH_CTX           DRM_IOW( 0x24, struct drm_ctx)
> +#define DRM_IOCTL_NEW_CTX              DRM_IOW( 0x25, struct drm_ctx)
> +#define DRM_IOCTL_RES_CTX              DRM_IOWR(0x26, struct drm_ctx_res)
> +#define DRM_IOCTL_ADD_DRAW             DRM_IOWR(0x27, struct drm_draw)
> +#define DRM_IOCTL_RM_DRAW              DRM_IOWR(0x28, struct drm_draw)
> +#define DRM_IOCTL_DMA                  DRM_IOWR(0x29, struct drm_dma)
> +#define DRM_IOCTL_LOCK                 DRM_IOW( 0x2a, struct drm_lock)
> +#define DRM_IOCTL_UNLOCK               DRM_IOW( 0x2b, struct drm_lock)
> +#define DRM_IOCTL_FINISH               DRM_IOW( 0x2c, struct drm_lock)
> +
> +#define DRM_IOCTL_PRIME_HANDLE_TO_FD    DRM_IOWR(0x2d, struct
> drm_prime_handle)
> +#define DRM_IOCTL_PRIME_FD_TO_HANDLE    DRM_IOWR(0x2e, struct
> drm_prime_handle)
> +
> +#define DRM_IOCTL_AGP_ACQUIRE          DRM_IO(  0x30)
> +#define DRM_IOCTL_AGP_RELEASE          DRM_IO(  0x31)
> +#define DRM_IOCTL_AGP_ENABLE           DRM_IOW( 0x32, struct drm_agp_mode)
> +#define DRM_IOCTL_AGP_INFO             DRM_IOR( 0x33, struct drm_agp_info)
> +#define DRM_IOCTL_AGP_ALLOC            DRM_IOWR(0x34, struct
> drm_agp_buffer)
> +#define DRM_IOCTL_AGP_FREE             DRM_IOW( 0x35, struct
> drm_agp_buffer)
> +#define DRM_IOCTL_AGP_BIND             DRM_IOW( 0x36, struct
> drm_agp_binding)
> +#define DRM_IOCTL_AGP_UNBIND           DRM_IOW( 0x37, struct
> drm_agp_binding)
> +
> +#define DRM_IOCTL_SG_ALLOC             DRM_IOWR(0x38, struct
> drm_scatter_gather)
> +#define DRM_IOCTL_SG_FREE              DRM_IOW( 0x39, struct
> drm_scatter_gather)
> +
> +#define DRM_IOCTL_WAIT_VBLANK          DRM_IOWR(0x3a, union
> drm_wait_vblank)
> +
> +#define DRM_IOCTL_CRTC_GET_SEQUENCE    DRM_IOWR(0x3b, struct
> drm_crtc_get_sequence)
> +#define DRM_IOCTL_CRTC_QUEUE_SEQUENCE  DRM_IOWR(0x3c, struct
> drm_crtc_queue_sequence)
> +
> +#define DRM_IOCTL_UPDATE_DRAW          DRM_IOW(0x3f, struct
> drm_update_draw)
> +
> +#define DRM_IOCTL_MODE_GETRESOURCES    DRM_IOWR(0xA0, struct
> drm_mode_card_res)
> +#define DRM_IOCTL_MODE_GETCRTC         DRM_IOWR(0xA1, struct
> drm_mode_crtc)
> +#define DRM_IOCTL_MODE_SETCRTC         DRM_IOWR(0xA2, struct
> drm_mode_crtc)
> +#define DRM_IOCTL_MODE_CURSOR          DRM_IOWR(0xA3, struct
> drm_mode_cursor)
> +#define DRM_IOCTL_MODE_GETGAMMA                DRM_IOWR(0xA4, struct
> drm_mode_crtc_lut)
> +#define DRM_IOCTL_MODE_SETGAMMA                DRM_IOWR(0xA5, struct
> drm_mode_crtc_lut)
> +#define DRM_IOCTL_MODE_GETENCODER      DRM_IOWR(0xA6, struct
> drm_mode_get_encoder)
> +#define DRM_IOCTL_MODE_GETCONNECTOR    DRM_IOWR(0xA7, struct
> drm_mode_get_connector)
> +#define DRM_IOCTL_MODE_ATTACHMODE      DRM_IOWR(0xA8, struct
> drm_mode_mode_cmd) /* deprecated (never worked) */
> +#define DRM_IOCTL_MODE_DETACHMODE      DRM_IOWR(0xA9, struct
> drm_mode_mode_cmd) /* deprecated (never worked) */
> +
> +#define DRM_IOCTL_MODE_GETPROPERTY     DRM_IOWR(0xAA, struct
> drm_mode_get_property)
> +#define DRM_IOCTL_MODE_SETPROPERTY     DRM_IOWR(0xAB, struct
> drm_mode_connector_set_property)
> +#define DRM_IOCTL_MODE_GETPROPBLOB     DRM_IOWR(0xAC, struct
> drm_mode_get_blob)
> +#define DRM_IOCTL_MODE_GETFB           DRM_IOWR(0xAD, struct
> drm_mode_fb_cmd)
> +#define DRM_IOCTL_MODE_ADDFB           DRM_IOWR(0xAE, struct
> drm_mode_fb_cmd)
> +#define DRM_IOCTL_MODE_RMFB            DRM_IOWR(0xAF, unsigned int)
> +#define DRM_IOCTL_MODE_PAGE_FLIP       DRM_IOWR(0xB0, struct
> drm_mode_crtc_page_flip)
> +#define DRM_IOCTL_MODE_DIRTYFB         DRM_IOWR(0xB1, struct
> drm_mode_fb_dirty_cmd)
> +
> +#define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct
> drm_mode_create_dumb)
> +#define DRM_IOCTL_MODE_MAP_DUMB    DRM_IOWR(0xB3, struct
> drm_mode_map_dumb)
> +#define DRM_IOCTL_MODE_DESTROY_DUMB    DRM_IOWR(0xB4, struct
> drm_mode_destroy_dumb)
> +#define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct
> drm_mode_get_plane_res)
> +#define DRM_IOCTL_MODE_GETPLANE        DRM_IOWR(0xB6, struct
> drm_mode_get_plane)
> +#define DRM_IOCTL_MODE_SETPLANE        DRM_IOWR(0xB7, struct
> drm_mode_set_plane)
> +#define DRM_IOCTL_MODE_ADDFB2          DRM_IOWR(0xB8, struct
> drm_mode_fb_cmd2)
> +#define DRM_IOCTL_MODE_OBJ_GETPROPERTIES       DRM_IOWR(0xB9, struct
> drm_mode_obj_get_properties)
> +#define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct
> drm_mode_obj_set_property)
> +#define DRM_IOCTL_MODE_CURSOR2         DRM_IOWR(0xBB, struct
> drm_mode_cursor2)
> +#define DRM_IOCTL_MODE_ATOMIC          DRM_IOWR(0xBC, struct
> drm_mode_atomic)
> +#define DRM_IOCTL_MODE_CREATEPROPBLOB  DRM_IOWR(0xBD, struct
> drm_mode_create_blob)
> +#define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0xBE, struct
> drm_mode_destroy_blob)
> +
> +#define DRM_IOCTL_SYNCOBJ_CREATE       DRM_IOWR(0xBF, struct
> drm_syncobj_create)
> +#define DRM_IOCTL_SYNCOBJ_DESTROY      DRM_IOWR(0xC0, struct
> drm_syncobj_destroy)
> +#define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0xC1, struct
> drm_syncobj_handle)
> +#define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0xC2, struct
> drm_syncobj_handle)
> +#define DRM_IOCTL_SYNCOBJ_WAIT         DRM_IOWR(0xC3, struct
> drm_syncobj_wait)
> +#define DRM_IOCTL_SYNCOBJ_RESET                DRM_IOWR(0xC4, struct
> drm_syncobj_array)
> +#define DRM_IOCTL_SYNCOBJ_SIGNAL       DRM_IOWR(0xC5, struct
> drm_syncobj_array)
> +
> +#define DRM_IOCTL_MODE_CREATE_LEASE    DRM_IOWR(0xC6, struct
> drm_mode_create_lease)
> +#define DRM_IOCTL_MODE_LIST_LESSEES    DRM_IOWR(0xC7, struct
> drm_mode_list_lessees)
> +#define DRM_IOCTL_MODE_GET_LEASE       DRM_IOWR(0xC8, struct
> drm_mode_get_lease)
> +#define DRM_IOCTL_MODE_REVOKE_LEASE    DRM_IOWR(0xC9, struct
> drm_mode_revoke_lease)
> +
> +#define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT        DRM_IOWR(0xCA, struct
> drm_syncobj_timeline_wait)
> +#define DRM_IOCTL_SYNCOBJ_QUERY                DRM_IOWR(0xCB, struct
> drm_syncobj_timeline_array)
> +#define DRM_IOCTL_SYNCOBJ_TRANSFER     DRM_IOWR(0xCC, struct
> drm_syncobj_transfer)
> +#define DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL      DRM_IOWR(0xCD, struct
> drm_syncobj_timeline_array)
> +
> +/**
> + * Device specific ioctls should only be in their respective headers
> + * The device specific ioctl range is from 0x40 to 0x9f.
> + * Generic IOCTLS restart at 0xA0.
> + *
> + * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
> + * drmCommandReadWrite().
> + */
> +#define DRM_COMMAND_BASE                0x40
> +#define DRM_COMMAND_END                        0xA0
> +
> +/**
> + * Header for events written back to userspace on the drm fd.  The
> + * type defines the type of event, the length specifies the total
> + * length of the event (including the header), and user_data is
> + * typically a 64 bit value passed with the ioctl that triggered the
> + * event.  A read on the drm fd will always only return complete
> + * events, that is, if for example the read buffer is 100 bytes, and
> + * there are two 64 byte events pending, only one will be returned.
> + *
> + * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
> + * up are chipset specific.
> + */
> +struct drm_event {
> +       __u32 type;
> +       __u32 length;
> +};
> +
> +#define DRM_EVENT_VBLANK 0x01
> +#define DRM_EVENT_FLIP_COMPLETE 0x02
> +#define DRM_EVENT_CRTC_SEQUENCE        0x03
> +
> +struct drm_event_vblank {
> +       struct drm_event base;
> +       __u64 user_data;
> +       __u32 tv_sec;
> +       __u32 tv_usec;
> +       __u32 sequence;
> +       __u32 crtc_id; /* 0 on older kernels that do not support this */
> +};
> +
> +/* Event delivered at sequence. Time stamp marks when the first pixel
> + * of the refresh cycle leaves the display engine for the display
> + */
> +struct drm_event_crtc_sequence {
> +       struct drm_event        base;
> +       __u64                   user_data;
> +       __s64                   time_ns;
> +       __u64                   sequence;
> +};
> +
> +/* typedef area */
> +typedef struct drm_clip_rect drm_clip_rect_t;
> +typedef struct drm_drawable_info drm_drawable_info_t;
> +typedef struct drm_tex_region drm_tex_region_t;
> +typedef struct drm_hw_lock drm_hw_lock_t;
> +typedef struct drm_version drm_version_t;
> +typedef struct drm_unique drm_unique_t;
> +typedef struct drm_list drm_list_t;
> +typedef struct drm_block drm_block_t;
> +typedef struct drm_control drm_control_t;
> +typedef enum drm_map_type drm_map_type_t;
> +typedef enum drm_map_flags drm_map_flags_t;
> +typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
> +typedef struct drm_map drm_map_t;
> +typedef struct drm_client drm_client_t;
> +typedef enum drm_stat_type drm_stat_type_t;
> +typedef struct drm_stats drm_stats_t;
> +typedef enum drm_lock_flags drm_lock_flags_t;
> +typedef struct drm_lock drm_lock_t;
> +typedef enum drm_dma_flags drm_dma_flags_t;
> +typedef struct drm_buf_desc drm_buf_desc_t;
> +typedef struct drm_buf_info drm_buf_info_t;
> +typedef struct drm_buf_free drm_buf_free_t;
> +typedef struct drm_buf_pub drm_buf_pub_t;
> +typedef struct drm_buf_map drm_buf_map_t;
> +typedef struct drm_dma drm_dma_t;
> +typedef union drm_wait_vblank drm_wait_vblank_t;
> +typedef struct drm_agp_mode drm_agp_mode_t;
> +typedef enum drm_ctx_flags drm_ctx_flags_t;
> +typedef struct drm_ctx drm_ctx_t;
> +typedef struct drm_ctx_res drm_ctx_res_t;
> +typedef struct drm_draw drm_draw_t;
> +typedef struct drm_update_draw drm_update_draw_t;
> +typedef struct drm_auth drm_auth_t;
> +typedef struct drm_irq_busid drm_irq_busid_t;
> +typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
> +
> +typedef struct drm_agp_buffer drm_agp_buffer_t;
> +typedef struct drm_agp_binding drm_agp_binding_t;
> +typedef struct drm_agp_info drm_agp_info_t;
> +typedef struct drm_scatter_gather drm_scatter_gather_t;
> +typedef struct drm_set_version drm_set_version_t;
> +
> +#if defined(__cplusplus)
> +}
> +#endif
> +
> +#endif
> diff --git a/linux/drm/drm_mode.h b/linux/drm/drm_mode.h
> new file mode 100644
> index 00000000..5fe6c649
> --- /dev/null
> +++ b/linux/drm/drm_mode.h
> @@ -0,0 +1,914 @@
> +/*
> + * Copyright (c) 2007 Dave Airlie <airlied at linux.ie>
> + * Copyright (c) 2007 Jakob Bornecrantz <wallbraker at gmail.com>
> + * Copyright (c) 2008 Red Hat Inc.
> + * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
> + * Copyright (c) 2007-2008 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> "Software"),
> + * to deal in the Software without restriction, including without
> limitation
> + * the rights to use, copy, modify, merge, publish, distribute,
> sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be
> included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
> SHALL THE
> + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> DEALINGS
> + * IN THE SOFTWARE.
> + */
> +
> +#ifndef _DRM_MODE_H
> +#define _DRM_MODE_H
> +
> +#include "drm.h"
> +
> +#if defined(__cplusplus)
> +extern "C" {
> +#endif
> +
> +#define DRM_CONNECTOR_NAME_LEN 32
> +#define DRM_DISPLAY_MODE_LEN   32
> +#define DRM_PROP_NAME_LEN      32
> +
> +#define DRM_MODE_TYPE_BUILTIN  (1<<0) /* deprecated */
> +#define DRM_MODE_TYPE_CLOCK_C  ((1<<1) | DRM_MODE_TYPE_BUILTIN) /*
> deprecated */
> +#define DRM_MODE_TYPE_CRTC_C   ((1<<2) | DRM_MODE_TYPE_BUILTIN) /*
> deprecated */
> +#define DRM_MODE_TYPE_PREFERRED        (1<<3)
> +#define DRM_MODE_TYPE_DEFAULT  (1<<4) /* deprecated */
> +#define DRM_MODE_TYPE_USERDEF  (1<<5)
> +#define DRM_MODE_TYPE_DRIVER   (1<<6)
> +
> +#define DRM_MODE_TYPE_ALL      (DRM_MODE_TYPE_PREFERRED |      \
> +                                DRM_MODE_TYPE_USERDEF |        \
> +                                DRM_MODE_TYPE_DRIVER)
> +
> +/* Video mode flags */
> +/* bit compatible with the xrandr RR_ definitions (bits 0-13)
> + *
> + * ABI warning: Existing userspace really expects
> + * the mode flags to match the xrandr definitions. Any
> + * changes that don't match the xrandr definitions will
> + * likely need a new client cap or some other mechanism
> + * to avoid breaking existing userspace. This includes
> + * allocating new flags in the previously unused bits!
> + */
> +#define DRM_MODE_FLAG_PHSYNC                   (1<<0)
> +#define DRM_MODE_FLAG_NHSYNC                   (1<<1)
> +#define DRM_MODE_FLAG_PVSYNC                   (1<<2)
> +#define DRM_MODE_FLAG_NVSYNC                   (1<<3)
> +#define DRM_MODE_FLAG_INTERLACE                        (1<<4)
> +#define DRM_MODE_FLAG_DBLSCAN                  (1<<5)
> +#define DRM_MODE_FLAG_CSYNC                    (1<<6)
> +#define DRM_MODE_FLAG_PCSYNC                   (1<<7)
> +#define DRM_MODE_FLAG_NCSYNC                   (1<<8)
> +#define DRM_MODE_FLAG_HSKEW                    (1<<9) /* hskew provided */
> +#define DRM_MODE_FLAG_BCAST                    (1<<10) /* deprecated */
> +#define DRM_MODE_FLAG_PIXMUX                   (1<<11) /* deprecated */
> +#define DRM_MODE_FLAG_DBLCLK                   (1<<12)
> +#define DRM_MODE_FLAG_CLKDIV2                  (1<<13)
> + /*
> +  * When adding a new stereo mode don't forget to adjust
> DRM_MODE_FLAGS_3D_MAX
> +  * (define not exposed to user space).
> +  */
> +#define DRM_MODE_FLAG_3D_MASK                  (0x1f<<14)
> +#define  DRM_MODE_FLAG_3D_NONE         (0<<14)
> +#define  DRM_MODE_FLAG_3D_FRAME_PACKING                (1<<14)
> +#define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE    (2<<14)
> +#define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE     (3<<14)
> +#define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL    (4<<14)
> +#define  DRM_MODE_FLAG_3D_L_DEPTH              (5<<14)
> +#define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH        (6<<14)
> +#define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM       (7<<14)
> +#define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF    (8<<14)
> +
> +/* Picture aspect ratio options */
> +#define DRM_MODE_PICTURE_ASPECT_NONE           0
> +#define DRM_MODE_PICTURE_ASPECT_4_3            1
> +#define DRM_MODE_PICTURE_ASPECT_16_9           2
> +#define DRM_MODE_PICTURE_ASPECT_64_27          3
> +#define DRM_MODE_PICTURE_ASPECT_256_135                4
> +
> +/* Content type options */
> +#define DRM_MODE_CONTENT_TYPE_NO_DATA          0
> +#define DRM_MODE_CONTENT_TYPE_GRAPHICS         1
> +#define DRM_MODE_CONTENT_TYPE_PHOTO            2
> +#define DRM_MODE_CONTENT_TYPE_CINEMA           3
> +#define DRM_MODE_CONTENT_TYPE_GAME             4
> +
> +/* Aspect ratio flag bitmask (4 bits 22:19) */
> +#define DRM_MODE_FLAG_PIC_AR_MASK              (0x0F<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_NONE \
> +                       (DRM_MODE_PICTURE_ASPECT_NONE<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_4_3 \
> +                       (DRM_MODE_PICTURE_ASPECT_4_3<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_16_9 \
> +                       (DRM_MODE_PICTURE_ASPECT_16_9<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_64_27 \
> +                       (DRM_MODE_PICTURE_ASPECT_64_27<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_256_135 \
> +                       (DRM_MODE_PICTURE_ASPECT_256_135<<19)
> +
> +#define  DRM_MODE_FLAG_ALL     (DRM_MODE_FLAG_PHSYNC |         \
> +                                DRM_MODE_FLAG_NHSYNC |         \
> +                                DRM_MODE_FLAG_PVSYNC |         \
> +                                DRM_MODE_FLAG_NVSYNC |         \
> +                                DRM_MODE_FLAG_INTERLACE |      \
> +                                DRM_MODE_FLAG_DBLSCAN |        \
> +                                DRM_MODE_FLAG_CSYNC |          \
> +                                DRM_MODE_FLAG_PCSYNC |         \
> +                                DRM_MODE_FLAG_NCSYNC |         \
> +                                DRM_MODE_FLAG_HSKEW |          \
> +                                DRM_MODE_FLAG_DBLCLK |         \
> +                                DRM_MODE_FLAG_CLKDIV2 |        \
> +                                DRM_MODE_FLAG_3D_MASK)
> +
> +/* DPMS flags */
> +/* bit compatible with the xorg definitions. */
> +#define DRM_MODE_DPMS_ON       0
> +#define DRM_MODE_DPMS_STANDBY  1
> +#define DRM_MODE_DPMS_SUSPEND  2
> +#define DRM_MODE_DPMS_OFF      3
> +
> +/* Scaling mode options */
> +#define DRM_MODE_SCALE_NONE            0 /* Unmodified timing (display or
> +                                            software can still scale) */
> +#define DRM_MODE_SCALE_FULLSCREEN      1 /* Full screen, ignore aspect */
> +#define DRM_MODE_SCALE_CENTER          2 /* Centered, no scaling */
> +#define DRM_MODE_SCALE_ASPECT          3 /* Full screen, preserve aspect
> */
> +
> +/* Dithering mode options */
> +#define DRM_MODE_DITHERING_OFF 0
> +#define DRM_MODE_DITHERING_ON  1
> +#define DRM_MODE_DITHERING_AUTO 2
> +
> +/* Dirty info options */
> +#define DRM_MODE_DIRTY_OFF      0
> +#define DRM_MODE_DIRTY_ON       1
> +#define DRM_MODE_DIRTY_ANNOTATE 2
> +
> +/* Link Status options */
> +#define DRM_MODE_LINK_STATUS_GOOD      0
> +#define DRM_MODE_LINK_STATUS_BAD       1
> +
> +/*
> + * DRM_MODE_ROTATE_<degrees>
> + *
> + * Signals that a drm plane is been rotated <degrees> degrees in counter
> + * clockwise direction.
> + *
> + * This define is provided as a convenience, looking up the property id
> + * using the name->prop id lookup is the preferred method.
> + */
> +#define DRM_MODE_ROTATE_0       (1<<0)
> +#define DRM_MODE_ROTATE_90      (1<<1)
> +#define DRM_MODE_ROTATE_180     (1<<2)
> +#define DRM_MODE_ROTATE_270     (1<<3)
> +
> +/*
> + * DRM_MODE_ROTATE_MASK
> + *
> + * Bitmask used to look for drm plane rotations.
> + */
> +#define DRM_MODE_ROTATE_MASK (\
> +               DRM_MODE_ROTATE_0  | \
> +               DRM_MODE_ROTATE_90  | \
> +               DRM_MODE_ROTATE_180 | \
> +               DRM_MODE_ROTATE_270)
> +
> +/*
> + * DRM_MODE_REFLECT_<axis>
> + *
> + * Signals that the contents of a drm plane is reflected along the <axis>
> axis,
> + * in the same way as mirroring.
> + * See kerneldoc chapter "Plane Composition Properties" for more details.
> + *
> + * This define is provided as a convenience, looking up the property id
> + * using the name->prop id lookup is the preferred method.
> + */
> +#define DRM_MODE_REFLECT_X      (1<<4)
> +#define DRM_MODE_REFLECT_Y      (1<<5)
> +
> +/*
> + * DRM_MODE_REFLECT_MASK
> + *
> + * Bitmask used to look for drm plane reflections.
> + */
> +#define DRM_MODE_REFLECT_MASK (\
> +               DRM_MODE_REFLECT_X | \
> +               DRM_MODE_REFLECT_Y)
> +
> +/* Content Protection Flags */
> +#define DRM_MODE_CONTENT_PROTECTION_UNDESIRED  0
> +#define DRM_MODE_CONTENT_PROTECTION_DESIRED     1
> +#define DRM_MODE_CONTENT_PROTECTION_ENABLED     2
> +
> +struct drm_mode_modeinfo {
> +       __u32 clock;
> +       __u16 hdisplay;
> +       __u16 hsync_start;
> +       __u16 hsync_end;
> +       __u16 htotal;
> +       __u16 hskew;
> +       __u16 vdisplay;
> +       __u16 vsync_start;
> +       __u16 vsync_end;
> +       __u16 vtotal;
> +       __u16 vscan;
> +
> +       __u32 vrefresh;
> +
> +       __u32 flags;
> +       __u32 type;
> +       char name[DRM_DISPLAY_MODE_LEN];
> +};
> +
> +struct drm_mode_card_res {
> +       __u64 fb_id_ptr;
> +       __u64 crtc_id_ptr;
> +       __u64 connector_id_ptr;
> +       __u64 encoder_id_ptr;
> +       __u32 count_fbs;
> +       __u32 count_crtcs;
> +       __u32 count_connectors;
> +       __u32 count_encoders;
> +       __u32 min_width;
> +       __u32 max_width;
> +       __u32 min_height;
> +       __u32 max_height;
> +};
> +
> +struct drm_mode_crtc {
> +       __u64 set_connectors_ptr;
> +       __u32 count_connectors;
> +
> +       __u32 crtc_id; /**< Id */
> +       __u32 fb_id; /**< Id of framebuffer */
> +
> +       __u32 x; /**< x Position on the framebuffer */
> +       __u32 y; /**< y Position on the framebuffer */
> +
> +       __u32 gamma_size;
> +       __u32 mode_valid;
> +       struct drm_mode_modeinfo mode;
> +};
> +
> +#define DRM_MODE_PRESENT_TOP_FIELD     (1<<0)
> +#define DRM_MODE_PRESENT_BOTTOM_FIELD  (1<<1)
> +
> +/* Planes blend with or override other bits on the CRTC */
> +struct drm_mode_set_plane {
> +       __u32 plane_id;
> +       __u32 crtc_id;
> +       __u32 fb_id; /* fb object contains surface format type */
> +       __u32 flags; /* see above flags */
> +
> +       /* Signed dest location allows it to be partially off screen */
> +       __s32 crtc_x;
> +       __s32 crtc_y;
> +       __u32 crtc_w;
> +       __u32 crtc_h;
> +
> +       /* Source values are 16.16 fixed point */
> +       __u32 src_x;
> +       __u32 src_y;
> +       __u32 src_h;
> +       __u32 src_w;
> +};
> +
> +struct drm_mode_get_plane {
> +       __u32 plane_id;
> +
> +       __u32 crtc_id;
> +       __u32 fb_id;
> +
> +       __u32 possible_crtcs;
> +       __u32 gamma_size;
> +
> +       __u32 count_format_types;
> +       __u64 format_type_ptr;
> +};
> +
> +struct drm_mode_get_plane_res {
> +       __u64 plane_id_ptr;
> +       __u32 count_planes;
> +};
> +
> +#define DRM_MODE_ENCODER_NONE  0
> +#define DRM_MODE_ENCODER_DAC   1
> +#define DRM_MODE_ENCODER_TMDS  2
> +#define DRM_MODE_ENCODER_LVDS  3
> +#define DRM_MODE_ENCODER_TVDAC 4
> +#define DRM_MODE_ENCODER_VIRTUAL 5
> +#define DRM_MODE_ENCODER_DSI   6
> +#define DRM_MODE_ENCODER_DPMST 7
> +#define DRM_MODE_ENCODER_DPI   8
> +
> +struct drm_mode_get_encoder {
> +       __u32 encoder_id;
> +       __u32 encoder_type;
> +
> +       __u32 crtc_id; /**< Id of crtc */
> +
> +       __u32 possible_crtcs;
> +       __u32 possible_clones;
> +};
> +
> +/* This is for connectors with multiple signal types. */
> +/* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
> +enum drm_mode_subconnector {
> +       DRM_MODE_SUBCONNECTOR_Automatic = 0,
> +       DRM_MODE_SUBCONNECTOR_Unknown = 0,
> +       DRM_MODE_SUBCONNECTOR_DVID = 3,
> +       DRM_MODE_SUBCONNECTOR_DVIA = 4,
> +       DRM_MODE_SUBCONNECTOR_Composite = 5,
> +       DRM_MODE_SUBCONNECTOR_SVIDEO = 6,
> +       DRM_MODE_SUBCONNECTOR_Component = 8,
> +       DRM_MODE_SUBCONNECTOR_SCART = 9,
> +};
> +
> +#define DRM_MODE_CONNECTOR_Unknown     0
> +#define DRM_MODE_CONNECTOR_VGA         1
> +#define DRM_MODE_CONNECTOR_DVII                2
> +#define DRM_MODE_CONNECTOR_DVID                3
> +#define DRM_MODE_CONNECTOR_DVIA                4
> +#define DRM_MODE_CONNECTOR_Composite   5
> +#define DRM_MODE_CONNECTOR_SVIDEO      6
> +#define DRM_MODE_CONNECTOR_LVDS                7
> +#define DRM_MODE_CONNECTOR_Component   8
> +#define DRM_MODE_CONNECTOR_9PinDIN     9
> +#define DRM_MODE_CONNECTOR_DisplayPort 10
> +#define DRM_MODE_CONNECTOR_HDMIA       11
> +#define DRM_MODE_CONNECTOR_HDMIB       12
> +#define DRM_MODE_CONNECTOR_TV          13
> +#define DRM_MODE_CONNECTOR_eDP         14
> +#define DRM_MODE_CONNECTOR_VIRTUAL      15
> +#define DRM_MODE_CONNECTOR_DSI         16
> +#define DRM_MODE_CONNECTOR_DPI         17
> +#define DRM_MODE_CONNECTOR_WRITEBACK   18
> +
> +struct drm_mode_get_connector {
> +
> +       __u64 encoders_ptr;
> +       __u64 modes_ptr;
> +       __u64 props_ptr;
> +       __u64 prop_values_ptr;
> +
> +       __u32 count_modes;
> +       __u32 count_props;
> +       __u32 count_encoders;
> +
> +       __u32 encoder_id; /**< Current Encoder */
> +       __u32 connector_id; /**< Id */
> +       __u32 connector_type;
> +       __u32 connector_type_id;
> +
> +       __u32 connection;
> +       __u32 mm_width;  /**< width in millimeters */
> +       __u32 mm_height; /**< height in millimeters */
> +       __u32 subpixel;
> +
> +       __u32 pad;
> +};
> +
> +#define DRM_MODE_PROP_PENDING  (1<<0) /* deprecated, do not use */
> +#define DRM_MODE_PROP_RANGE    (1<<1)
> +#define DRM_MODE_PROP_IMMUTABLE        (1<<2)
> +#define DRM_MODE_PROP_ENUM     (1<<3) /* enumerated type with text
> strings */
> +#define DRM_MODE_PROP_BLOB     (1<<4)
> +#define DRM_MODE_PROP_BITMASK  (1<<5) /* bitmask of enumerated types */
> +
> +/* non-extended types: legacy bitmask, one bit per type: */
> +#define DRM_MODE_PROP_LEGACY_TYPE  ( \
> +               DRM_MODE_PROP_RANGE | \
> +               DRM_MODE_PROP_ENUM | \
> +               DRM_MODE_PROP_BLOB | \
> +               DRM_MODE_PROP_BITMASK)
> +
> +/* extended-types: rather than continue to consume a bit per type,
> + * grab a chunk of the bits to use as integer type id.
> + */
> +#define DRM_MODE_PROP_EXTENDED_TYPE    0x0000ffc0
> +#define DRM_MODE_PROP_TYPE(n)          ((n) << 6)
> +#define DRM_MODE_PROP_OBJECT           DRM_MODE_PROP_TYPE(1)
> +#define DRM_MODE_PROP_SIGNED_RANGE     DRM_MODE_PROP_TYPE(2)
> +
> +/* the PROP_ATOMIC flag is used to hide properties from userspace that
> + * is not aware of atomic properties.  This is mostly to work around
> + * older userspace (DDX drivers) that read/write each prop they find,
> + * without being aware that this could be triggering a lengthy modeset.
> + */
> +#define DRM_MODE_PROP_ATOMIC        0x80000000
> +
> +struct drm_mode_property_enum {
> +       __u64 value;
> +       char name[DRM_PROP_NAME_LEN];
> +};
> +
> +struct drm_mode_get_property {
> +       __u64 values_ptr; /* values and blob lengths */
> +       __u64 enum_blob_ptr; /* enum and blob id ptrs */
> +
> +       __u32 prop_id;
> +       __u32 flags;
> +       char name[DRM_PROP_NAME_LEN];
> +
> +       __u32 count_values;
> +       /* This is only used to count enum values, not blobs. The _blobs is
> +        * simply because of a historical reason, i.e. backwards compat. */
> +       __u32 count_enum_blobs;
> +};
> +
> +struct drm_mode_connector_set_property {
> +       __u64 value;
> +       __u32 prop_id;
> +       __u32 connector_id;
> +};
> +
> +#define DRM_MODE_OBJECT_CRTC 0xcccccccc
> +#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
> +#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
> +#define DRM_MODE_OBJECT_MODE 0xdededede
> +#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
> +#define DRM_MODE_OBJECT_FB 0xfbfbfbfb
> +#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
> +#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
> +#define DRM_MODE_OBJECT_ANY 0
> +
> +struct drm_mode_obj_get_properties {
> +       __u64 props_ptr;
> +       __u64 prop_values_ptr;
> +       __u32 count_props;
> +       __u32 obj_id;
> +       __u32 obj_type;
> +};
> +
> +struct drm_mode_obj_set_property {
> +       __u64 value;
> +       __u32 prop_id;
> +       __u32 obj_id;
> +       __u32 obj_type;
> +};
> +
> +struct drm_mode_get_blob {
> +       __u32 blob_id;
> +       __u32 length;
> +       __u64 data;
> +};
> +
> +struct drm_mode_fb_cmd {
> +       __u32 fb_id;
> +       __u32 width;
> +       __u32 height;
> +       __u32 pitch;
> +       __u32 bpp;
> +       __u32 depth;
> +       /* driver specific handle */
> +       __u32 handle;
> +};
> +
> +#define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */
> +#define DRM_MODE_FB_MODIFIERS  (1<<1) /* enables ->modifer[] */
> +
> +struct drm_mode_fb_cmd2 {
> +       __u32 fb_id;
> +       __u32 width;
> +       __u32 height;
> +       __u32 pixel_format; /* fourcc code from drm_fourcc.h */
> +       __u32 flags; /* see above flags */
> +
> +       /*
> +        * In case of planar formats, this ioctl allows up to 4
> +        * buffer objects with offsets and pitches per plane.
> +        * The pitch and offset order is dictated by the fourcc,
> +        * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
> +        *
> +        *   YUV 4:2:0 image with a plane of 8 bit Y samples
> +        *   followed by an interleaved U/V plane containing
> +        *   8 bit 2x2 subsampled colour difference samples.
> +        *
> +        * So it would consist of Y as offsets[0] and UV as
> +        * offsets[1].  Note that offsets[0] will generally
> +        * be 0 (but this is not required).
> +        *
> +        * To accommodate tiled, compressed, etc formats, a
> +        * modifier can be specified.  The default value of zero
> +        * indicates "native" format as specified by the fourcc.
> +        * Vendor specific modifier token.  Note that even though
> +        * it looks like we have a modifier per-plane, we in fact
> +        * do not. The modifier for each plane must be identical.
> +        * Thus all combinations of different data layouts for
> +        * multi plane formats must be enumerated as separate
> +        * modifiers.
> +        */
> +       __u32 handles[4];
> +       __u32 pitches[4]; /* pitch for each plane */
> +       __u32 offsets[4]; /* offset of each plane */
> +       __u64 modifier[4]; /* ie, tiling, compress */
> +};
> +
> +#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
> +#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
> +#define DRM_MODE_FB_DIRTY_FLAGS         0x03
> +
> +#define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
> +
> +/*
> + * Mark a region of a framebuffer as dirty.
> + *
> + * Some hardware does not automatically update display contents
> + * as a hardware or software draw to a framebuffer. This ioctl
> + * allows userspace to tell the kernel and the hardware what
> + * regions of the framebuffer have changed.
> + *
> + * The kernel or hardware is free to update more then just the
> + * region specified by the clip rects. The kernel or hardware
> + * may also delay and/or coalesce several calls to dirty into a
> + * single update.
> + *
> + * Userspace may annotate the updates, the annotates are a
> + * promise made by the caller that the change is either a copy
> + * of pixels or a fill of a single color in the region specified.
> + *
> + * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
> + * the number of updated regions are half of num_clips given,
> + * where the clip rects are paired in src and dst. The width and
> + * height of each one of the pairs must match.
> + *
> + * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
> + * promises that the region specified of the clip rects is filled
> + * completely with a single color as given in the color argument.
> + */
> +
> +struct drm_mode_fb_dirty_cmd {
> +       __u32 fb_id;
> +       __u32 flags;
> +       __u32 color;
> +       __u32 num_clips;
> +       __u64 clips_ptr;
> +};
> +
> +struct drm_mode_mode_cmd {
> +       __u32 connector_id;
> +       struct drm_mode_modeinfo mode;
> +};
> +
> +#define DRM_MODE_CURSOR_BO     0x01
> +#define DRM_MODE_CURSOR_MOVE   0x02
> +#define DRM_MODE_CURSOR_FLAGS  0x03
> +
> +/*
> + * depending on the value in flags different members are used.
> + *
> + * CURSOR_BO uses
> + *    crtc_id
> + *    width
> + *    height
> + *    handle - if 0 turns the cursor off
> + *
> + * CURSOR_MOVE uses
> + *    crtc_id
> + *    x
> + *    y
> + */
> +struct drm_mode_cursor {
> +       __u32 flags;
> +       __u32 crtc_id;
> +       __s32 x;
> +       __s32 y;
> +       __u32 width;
> +       __u32 height;
> +       /* driver specific handle */
> +       __u32 handle;
> +};
> +
> +struct drm_mode_cursor2 {
> +       __u32 flags;
> +       __u32 crtc_id;
> +       __s32 x;
> +       __s32 y;
> +       __u32 width;
> +       __u32 height;
> +       /* driver specific handle */
> +       __u32 handle;
> +       __s32 hot_x;
> +       __s32 hot_y;
> +};
> +
> +struct drm_mode_crtc_lut {
> +       __u32 crtc_id;
> +       __u32 gamma_size;
> +
> +       /* pointers to arrays */
> +       __u64 red;
> +       __u64 green;
> +       __u64 blue;
> +};
> +
> +struct drm_color_ctm {
> +       /*
> +        * Conversion matrix in S31.32 sign-magnitude
> +        * (not two's complement!) format.
> +        */
> +       __u64 matrix[9];
> +};
> +
> +struct drm_color_lut {
> +       /*
> +        * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0
> and
> +        * 0xffff == 1.0.
> +        */
> +       __u16 red;
> +       __u16 green;
> +       __u16 blue;
> +       __u16 reserved;
> +};
> +
> +#define DRM_MODE_PAGE_FLIP_EVENT 0x01
> +#define DRM_MODE_PAGE_FLIP_ASYNC 0x02
> +#define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4
> +#define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8
> +#define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \
> +                                  DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
> +#define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \
> +                                 DRM_MODE_PAGE_FLIP_ASYNC | \
> +                                 DRM_MODE_PAGE_FLIP_TARGET)
> +
> +/*
> + * Request a page flip on the specified crtc.
> + *
> + * This ioctl will ask KMS to schedule a page flip for the specified
> + * crtc.  Once any pending rendering targeting the specified fb (as of
> + * ioctl time) has completed, the crtc will be reprogrammed to display
> + * that fb after the next vertical refresh.  The ioctl returns
> + * immediately, but subsequent rendering to the current fb will block
> + * in the execbuffer ioctl until the page flip happens.  If a page
> + * flip is already pending as the ioctl is called, EBUSY will be
> + * returned.
> + *
> + * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
> + * event (see drm.h: struct drm_event_vblank) when the page flip is
> + * done.  The user_data field passed in with this ioctl will be
> + * returned as the user_data field in the vblank event struct.
> + *
> + * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
> + * 'as soon as possible', meaning that it not delay waiting for vblank.
> + * This may cause tearing on the screen.
> + *
> + * The reserved field must be zero.
> + */
> +
> +struct drm_mode_crtc_page_flip {
> +       __u32 crtc_id;
> +       __u32 fb_id;
> +       __u32 flags;
> +       __u32 reserved;
> +       __u64 user_data;
> +};
> +
> +/*
> + * Request a page flip on the specified crtc.
> + *
> + * Same as struct drm_mode_crtc_page_flip, but supports new flags and
> + * re-purposes the reserved field:
> + *
> + * The sequence field must be zero unless either of the
> + * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When
> + * the ABSOLUTE flag is specified, the sequence field denotes the absolute
> + * vblank sequence when the flip should take effect. When the RELATIVE
> + * flag is specified, the sequence field denotes the relative (to the
> + * current one when the ioctl is called) vblank sequence when the flip
> + * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to
> + * make sure the vblank sequence before the target one has passed before
> + * calling this ioctl. The purpose of the
> + * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify
> + * the target for when code dealing with a page flip runs during a
> + * vertical blank period.
> + */
> +
> +struct drm_mode_crtc_page_flip_target {
> +       __u32 crtc_id;
> +       __u32 fb_id;
> +       __u32 flags;
> +       __u32 sequence;
> +       __u64 user_data;
> +};
> +
> +/* create a dumb scanout buffer */
> +struct drm_mode_create_dumb {
> +       __u32 height;
> +       __u32 width;
> +       __u32 bpp;
> +       __u32 flags;
> +       /* handle, pitch, size will be returned */
> +       __u32 handle;
> +       __u32 pitch;
> +       __u64 size;
> +};
> +
> +/* set up for mmap of a dumb scanout buffer */
> +struct drm_mode_map_dumb {
> +       /** Handle for the object being mapped. */
> +       __u32 handle;
> +       __u32 pad;
> +       /**
> +        * Fake offset to use for subsequent mmap call
> +        *
> +        * This is a fixed-size type for 32/64 compatibility.
> +        */
> +       __u64 offset;
> +};
> +
> +struct drm_mode_destroy_dumb {
> +       __u32 handle;
> +};
> +
> +/* page-flip flags are valid, plus: */
> +#define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
> +#define DRM_MODE_ATOMIC_NONBLOCK  0x0200
> +#define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
> +
> +#define DRM_MODE_ATOMIC_FLAGS (\
> +               DRM_MODE_PAGE_FLIP_EVENT |\
> +               DRM_MODE_PAGE_FLIP_ASYNC |\
> +               DRM_MODE_ATOMIC_TEST_ONLY |\
> +               DRM_MODE_ATOMIC_NONBLOCK |\
> +               DRM_MODE_ATOMIC_ALLOW_MODESET)
> +
> +struct drm_mode_atomic {
> +       __u32 flags;
> +       __u32 count_objs;
> +       __u64 objs_ptr;
> +       __u64 count_props_ptr;
> +       __u64 props_ptr;
> +       __u64 prop_values_ptr;
> +       __u64 reserved;
> +       __u64 user_data;
> +};
> +
> +struct drm_format_modifier_blob {
> +#define FORMAT_BLOB_CURRENT 1
> +       /* Version of this blob format */
> +       __u32 version;
> +
> +       /* Flags */
> +       __u32 flags;
> +
> +       /* Number of fourcc formats supported */
> +       __u32 count_formats;
> +
> +       /* Where in this blob the formats exist (in bytes) */
> +       __u32 formats_offset;
> +
> +       /* Number of drm_format_modifiers */
> +       __u32 count_modifiers;
> +
> +       /* Where in this blob the modifiers exist (in bytes) */
> +       __u32 modifiers_offset;
> +
> +       /* __u32 formats[] */
> +       /* struct drm_format_modifier modifiers[] */
> +};
> +
> +struct drm_format_modifier {
> +       /* Bitmask of formats in get_plane format list this info applies
> to. The
> +        * offset allows a sliding window of which 64 formats (bits).
> +        *
> +        * Some examples:
> +        * In today's world with < 65 formats, and formats 0, and 2 are
> +        * supported
> +        * 0x0000000000000005
> +        *                ^-offset = 0, formats = 5
> +        *
> +        * If the number formats grew to 128, and formats 98-102 are
> +        * supported with the modifier:
> +        *
> +        * 0x0000007c00000000 0000000000000000
> +        *                ^
> +        *                |__offset = 64, formats = 0x7c00000000
> +        *
> +        */
> +       __u64 formats;
> +       __u32 offset;
> +       __u32 pad;
> +
> +       /* The modifier that applies to the >get_plane format list
> bitmask. */
> +       __u64 modifier;
> +};
> +
> +/**
> + * Create a new 'blob' data property, copying length bytes from data
> pointer,
> + * and returning new blob ID.
> + */
> +struct drm_mode_create_blob {
> +       /** Pointer to data to copy. */
> +       __u64 data;
> +       /** Length of data to copy. */
> +       __u32 length;
> +       /** Return: new property ID. */
> +       __u32 blob_id;
> +};
> +
> +/**
> + * Destroy a user-created blob property.
> + */
> +struct drm_mode_destroy_blob {
> +       __u32 blob_id;
> +};
> +
> +/**
> + * Lease mode resources, creating another drm_master.
> + */
> +struct drm_mode_create_lease {
> +       /** Pointer to array of object ids (__u32) */
> +       __u64 object_ids;
> +       /** Number of object ids */
> +       __u32 object_count;
> +       /** flags for new FD (O_CLOEXEC, etc) */
> +       __u32 flags;
> +
> +       /** Return: unique identifier for lessee. */
> +       __u32 lessee_id;
> +       /** Return: file descriptor to new drm_master file */
> +       __u32 fd;
> +};
> +
> +/**
> + * List lesses from a drm_master
> + */
> +struct drm_mode_list_lessees {
> +       /** Number of lessees.
> +        * On input, provides length of the array.
> +        * On output, provides total number. No
> +        * more than the input number will be written
> +        * back, so two calls can be used to get
> +        * the size and then the data.
> +        */
> +       __u32 count_lessees;
> +       __u32 pad;
> +
> +       /** Pointer to lessees.
> +        * pointer to __u64 array of lessee ids
> +        */
> +       __u64 lessees_ptr;
> +};
> +
> +/**
> + * Get leased objects
> + */
> +struct drm_mode_get_lease {
> +       /** Number of leased objects.
> +        * On input, provides length of the array.
> +        * On output, provides total number. No
> +        * more than the input number will be written
> +        * back, so two calls can be used to get
> +        * the size and then the data.
> +        */
> +       __u32 count_objects;
> +       __u32 pad;
> +
> +       /** Pointer to objects.
> +        * pointer to __u32 array of object ids
> +        */
> +       __u64 objects_ptr;
> +};
> +
> +/**
> + * Revoke lease
> + */
> +struct drm_mode_revoke_lease {
> +       /** Unique ID of lessee
> +        */
> +       __u32 lessee_id;
> +};
> +
> +/**
> + * struct drm_mode_rect - Two dimensional rectangle.
> + * @x1: Horizontal starting coordinate (inclusive).
> + * @y1: Vertical starting coordinate (inclusive).
> + * @x2: Horizontal ending coordinate (exclusive).
> + * @y2: Vertical ending coordinate (exclusive).
> + *
> + * With drm subsystem using struct drm_rect to manage rectangular area
> this
> + * export it to user-space.
> + *
> + * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS.
> + */
> +struct drm_mode_rect {
> +       __s32 x1;
> +       __s32 y1;
> +       __s32 x2;
> +       __s32 y2;
> +};
> +
> +#if defined(__cplusplus)
> +}
> +#endif
> +
> +#endif
> diff --git a/print_fields.h b/print_fields.h
> index 677b5f6c..12c32a72 100644
> --- a/print_fields.h
> +++ b/print_fields.h
> @@ -25,6 +25,9 @@
>         STRACE_PRINTF("%s%s=%llu", (prefix_), #field_,                  \
>                       zero_extend_signed_to_ull((where_).field_))
>
> +# define PRINT_FIELD_DRM_CRTC_ID(prefix_, where_, field_)              \
> +       PRINT_FIELD_U(prefix_, where_, field_)
> +
>  # define PRINT_FIELD_U_CAST(prefix_, where_, field_, type_)            \
>         STRACE_PRINTF("%s%s=%llu", (prefix_), #field_,                  \
>                       zero_extend_signed_to_ull((type_) (where_).field_))
> diff --git a/util.c b/util.c
> index ec86cdb9..2b85fafa 100644
> --- a/util.c
> +++ b/util.c
> @@ -1248,6 +1248,15 @@ umoven_or_printaddr64_ignore_syserror(struct tcb
> *const tcp,
>         return -1;
>  }
>
> +bool
> +print_uint16_array_member(struct tcb *tcp, void *elem_buf, size_t
> elem_size,
> +                         void *data)
> +{
> +       tprintf("%" PRIu16, *(uint16_t*) elem_buf);
> +
> +       return true;
> +}
> +
>  bool
>  print_int32_array_member(struct tcb *tcp, void *elem_buf, size_t
> elem_size,
>                          void *data)
> diff --git a/xlat/drm_buf_desc_flags.in b/xlat/drm_buf_desc_flags.in
> new file mode 100644
> index 00000000..79667094
> --- /dev/null
> +++ b/xlat/drm_buf_desc_flags.in
> @@ -0,0 +1,6 @@
> +#sorted
> +_DRM_PAGE_ALIGN                0x01
> +_DRM_AGP_BUFFER                0x02
> +_DRM_SG_BUFFER         0x04
> +_DRM_FB_BUFFER         0x08
> +_DRM_PCI_BUFFER_RO     0x10
> diff --git a/xlat/drm_capability.in b/xlat/drm_capability.in
> new file mode 100644
> index 00000000..383b2535
> --- /dev/null
> +++ b/xlat/drm_capability.in
> @@ -0,0 +1,15 @@
> +#value_indexed
> +DRM_CAP_DUMB_BUFFER            0x1
> +DRM_CAP_VBLANK_HIGH_CRTC       0x2
> +DRM_CAP_DUMB_PREFERRED_DEPTH   0x3
> +DRM_CAP_DUMB_PREFER_SHADOW     0x4
> +DRM_CAP_PRIME                  0x5
> +DRM_CAP_TIMESTAMP_MONOTONIC    0x6
> +DRM_CAP_ASYNC_PAGE_FLIP                0x7
> +DRM_CAP_CURSOR_WIDTH           0x8
> +DRM_CAP_CURSOR_HEIGHT          0x9
> +DRM_CAP_ADDFB2_MODIFIERS       0x10
> +DRM_CAP_PAGE_FLIP_TARGET       0x11
> +DRM_CAP_CRTC_IN_VBLANK_EVENT   0x12
> +DRM_CAP_SYNCOBJ                        0x13
> +DRM_CAP_SYNCOBJ_TIMELINE       0x14
> diff --git a/xlat/drm_client_capability.in b/xlat/drm_client_capability.in
> new file mode 100644
> index 00000000..efbf1283
> --- /dev/null
> +++ b/xlat/drm_client_capability.in
> @@ -0,0 +1,6 @@
> +#value_indexed
> +DRM_CLIENT_CAP_STEREO_3D               1
> +DRM_CLIENT_CAP_UNIVERSAL_PLANES                2
> +DRM_CLIENT_CAP_ATOMIC                  3
> +DRM_CLIENT_CAP_ASPECT_RATIO            4
> +DRM_CLIENT_CAP_WRITEBACK_CONNECTORS    5
> diff --git a/xlat/drm_control_func.in b/xlat/drm_control_func.in
> new file mode 100644
> index 00000000..1942c92d
> --- /dev/null
> +++ b/xlat/drm_control_func.in
> @@ -0,0 +1,5 @@
> +#value_indexed
> +DRM_ADD_COMMAND                0
> +DRM_RM_COMMAND         1
> +DRM_INST_HANDLER       2
> +DRM_UNINST_HANDLER     3
> diff --git a/xlat/drm_crtc_sequence_flags.in b/xlat/
> drm_crtc_sequence_flags.in
> new file mode 100644
> index 00000000..e444bca2
> --- /dev/null
> +++ b/xlat/drm_crtc_sequence_flags.in
> @@ -0,0 +1,3 @@
> +#sorted
> +DRM_CRTC_SEQUENCE_RELATIVE     0x00000001
> +DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0x00000002
> diff --git a/xlat/drm_ctx_flags.in b/xlat/drm_ctx_flags.in
> new file mode 100644
> index 00000000..c07a2524
> --- /dev/null
> +++ b/xlat/drm_ctx_flags.in
> @@ -0,0 +1,3 @@
> +#sorted
> +_DRM_CONTEXT_PRESERVED 0x01
> +_DRM_CONTEXT_2DONLY    0x02
> diff --git a/xlat/drm_lock_flags.in b/xlat/drm_lock_flags.in
> new file mode 100644
> index 00000000..4ae983fa
> --- /dev/null
> +++ b/xlat/drm_lock_flags.in
> @@ -0,0 +1,7 @@
> +#sorted
> +_DRM_LOCK_READY                0x01
> +_DRM_LOCK_QUIESCENT    0x02
> +_DRM_LOCK_FLUSH                0x04
> +_DRM_LOCK_FLUSH_ALL    0x08
> +_DRM_HALT_ALL_QUEUES   0x10
> +_DRM_HALT_CUR_QUEUES   0x20
> diff --git a/xlat/drm_map_flags.in b/xlat/drm_map_flags.in
> new file mode 100644
> index 00000000..4fed3ca1
> --- /dev/null
> +++ b/xlat/drm_map_flags.in
> @@ -0,0 +1,9 @@
> +#sorted
> +_DRM_RESTRICTED                0x01
> +_DRM_READ_ONLY         0x02
> +_DRM_LOCKED            0x04
> +_DRM_KERNEL            0x08
> +_DRM_WRITE_COMBINING   0x10
> +_DRM_CONTAINS_LOCK     0x20
> +_DRM_REMOVABLE         0x40
> +_DRM_DRIVER            0x80
> diff --git a/xlat/drm_map_type.in b/xlat/drm_map_type.in
> new file mode 100644
> index 00000000..cc84306e
> --- /dev/null
> +++ b/xlat/drm_map_type.in
> @@ -0,0 +1,7 @@
> +#value_indexed
> +_DRM_FRAME_BUFFER      0
> +_DRM_REGISTERS         1
> +_DRM_SHM               2
> +_DRM_AGP               3
> +_DRM_SCATTER_GATHER    4
> +_DRM_CONSISTENT                5
> diff --git a/xlat/drm_mode_atomic_flags.in b/xlat/drm_mode_atomic_flags.in
> new file mode 100644
> index 00000000..665eed42
> --- /dev/null
> +++ b/xlat/drm_mode_atomic_flags.in
> @@ -0,0 +1,6 @@
> +#sorted
> +DRM_MODE_PAGE_FLIP_EVENT               0x1
> +DRM_MODE_PAGE_FLIP_ASYNC               0x2
> +DRM_MODE_ATOMIC_TEST_ONLY              0x100
> +DRM_MODE_ATOMIC_NONBLOCK               0x200
> +DRM_MODE_ATOMIC_ALLOW_MODESET          0x400
> diff --git a/xlat/drm_mode_create_lease_flags.in b/xlat/
> drm_mode_create_lease_flags.in
> new file mode 100644
> index 00000000..231c4a72
> --- /dev/null
> +++ b/xlat/drm_mode_create_lease_flags.in
> @@ -0,0 +1,2 @@
> +O_CLOEXEC
> +O_NONBLOCK
> diff --git a/xlat/drm_mode_cursor_flags.in b/xlat/drm_mode_cursor_flags.in
> new file mode 100644
> index 00000000..a703d383
> --- /dev/null
> +++ b/xlat/drm_mode_cursor_flags.in
> @@ -0,0 +1,3 @@
> +#sorted
> +DRM_MODE_CURSOR_BO     0x01
> +DRM_MODE_CURSOR_MOVE   0x02
> diff --git a/xlat/drm_mode_encoder_type.in b/xlat/drm_mode_encoder_type.in
> new file mode 100644
> index 00000000..58435446
> --- /dev/null
> +++ b/xlat/drm_mode_encoder_type.in
> @@ -0,0 +1,10 @@
> +#value_indexed
> +DRM_MODE_ENCODER_NONE          0
> +DRM_MODE_ENCODER_DAC           1
> +DRM_MODE_ENCODER_TMDS          2
> +DRM_MODE_ENCODER_LVDS          3
> +DRM_MODE_ENCODER_TVDAC         4
> +DRM_MODE_ENCODER_VIRTUAL       5
> +DRM_MODE_ENCODER_DSI           6
> +DRM_MODE_ENCODER_DPMST         7
> +DRM_MODE_ENCODER_DPI           8
> diff --git a/xlat/drm_mode_fb_cmd2_flags.in b/xlat/
> drm_mode_fb_cmd2_flags.in
> new file mode 100644
> index 00000000..d0f30f59
> --- /dev/null
> +++ b/xlat/drm_mode_fb_cmd2_flags.in
> @@ -0,0 +1,3 @@
> +#sorted
> +DRM_MODE_FB_INTERLACED (1<<0)
> +DRM_MODE_FB_MODIFIERS  (1<<1)
> diff --git a/xlat/drm_mode_fb_dirty_cmd_flags.in b/xlat/
> drm_mode_fb_dirty_cmd_flags.in
> new file mode 100644
> index 00000000..7b1585f3
> --- /dev/null
> +++ b/xlat/drm_mode_fb_dirty_cmd_flags.in
> @@ -0,0 +1,3 @@
> +#sorted
> +DRM_MODE_FB_DIRTY_ANNOTATE_COPY                0x01
> +DRM_MODE_FB_DIRTY_ANNOTATE_FILL                0x02
> diff --git a/xlat/drm_mode_flags.in b/xlat/drm_mode_flags.in
> new file mode 100644
> index 00000000..c4c55749
> --- /dev/null
> +++ b/xlat/drm_mode_flags.in
> @@ -0,0 +1,6 @@
> +#sorted
> +DRM_MODE_FLAG_PIC_AR_NONE      (0 << 19)
> +DRM_MODE_FLAG_PIC_AR_4_3       (1 << 19)
> +DRM_MODE_FLAG_PIC_AR_16_9      (2 << 19)
> +DRM_MODE_FLAG_PIC_AR_64_27     (3 << 19)
> +DRM_MODE_FLAG_PIC_AR_256_135   (4 << 19)
> diff --git a/xlat/drm_mode_get_property_flags.in b/xlat/
> drm_mode_get_property_flags.in
> new file mode 100644
> index 00000000..f9e13889
> --- /dev/null
> +++ b/xlat/drm_mode_get_property_flags.in
> @@ -0,0 +1,9 @@
> +#sorted
> +DRM_MODE_PROP_PENDING          (1<<0)
> +DRM_MODE_PROP_RANGE            (1<<1)
> +DRM_MODE_PROP_IMMUTABLE                (1<<2)
> +DRM_MODE_PROP_ENUM             (1<<3)
> +DRM_MODE_PROP_BLOB             (1<<4)
> +DRM_MODE_PROP_BITMASK          (1<<5)
> +DRM_MODE_PROP_EXTENDED_TYPE    0x0000ffc0
> +DRM_MODE_PROP_ATOMIC           0x80000000
> diff --git a/xlat/drm_mode_page_flip_flags.in b/xlat/
> drm_mode_page_flip_flags.in
> new file mode 100644
> index 00000000..da3fec1c
> --- /dev/null
> +++ b/xlat/drm_mode_page_flip_flags.in
> @@ -0,0 +1,5 @@
> +DRM_MODE_PAGE_FLIP_EVENT               0x01
> +DRM_MODE_PAGE_FLIP_ASYNC               0x02
> +DRM_MODE_PAGE_FLIP_TARGET
> (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
> +DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE     0x04
> +DRM_MODE_PAGE_FLIP_TARGET_RELATIVE     0x08
> diff --git a/xlat/drm_mode_set_plane_flags.in b/xlat/
> drm_mode_set_plane_flags.in
> new file mode 100644
> index 00000000..d5128547
> --- /dev/null
> +++ b/xlat/drm_mode_set_plane_flags.in
> @@ -0,0 +1,3 @@
> +#sorted
> +DRM_MODE_PRESENT_TOP_FIELD     (1<<0)
> +DRM_MODE_PRESENT_BOTTOM_FIELD  (1<<1)
> diff --git a/xlat/drm_mode_type.in b/xlat/drm_mode_type.in
> new file mode 100644
> index 00000000..74a29678
> --- /dev/null
> +++ b/xlat/drm_mode_type.in
> @@ -0,0 +1,8 @@
> +#sorted
> +DRM_MODE_TYPE_BUILTIN          (1 << 0)
> +DRM_MODE_TYPE_CLOCK_C          (1 << 1 | DRM_MODE_TYPE_BUILTIN)
> +DRM_MODE_TYPE_CRTC_C           (1 << 2 | DRM_MODE_TYPE_BUILTIN)
> +DRM_MODE_TYPE_PREFERRED                (1 << 3)
> +DRM_MODE_TYPE_DEFAULT          (1 << 4)
> +DRM_MODE_TYPE_USERDEF          (1 << 5)
> +DRM_MODE_TYPE_DRIVER           (1 << 6)
> diff --git a/xlat/drm_modeset_cmd.in b/xlat/drm_modeset_cmd.in
> new file mode 100644
> index 00000000..2152f3da
> --- /dev/null
> +++ b/xlat/drm_modeset_cmd.in
> @@ -0,0 +1,3 @@
> +#value_indexed
> +_DRM_PRE_MODESET       1
> +_DRM_POST_MODESET      2
> diff --git a/xlat/drm_prime_handle_flags.in b/xlat/
> drm_prime_handle_flags.in
> new file mode 100644
> index 00000000..5ace5a54
> --- /dev/null
> +++ b/xlat/drm_prime_handle_flags.in
> @@ -0,0 +1,2 @@
> +DRM_RDWR
> +DRM_CLOEXEC
> diff --git a/xlat/drm_syncobj_fd_to_handle_flags.in b/xlat/
> drm_syncobj_fd_to_handle_flags.in
> new file mode 100644
> index 00000000..838e6d81
> --- /dev/null
> +++ b/xlat/drm_syncobj_fd_to_handle_flags.in
> @@ -0,0 +1,2 @@
> +#sorted
> +DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE
> diff --git a/xlat/drm_syncobj_flags.in b/xlat/drm_syncobj_flags.in
> new file mode 100644
> index 00000000..8817528b
> --- /dev/null
> +++ b/xlat/drm_syncobj_flags.in
> @@ -0,0 +1,2 @@
> +#sorted
> +DRM_SYNCOBJ_CREATE_SIGNALED    (1 << 0)
> diff --git a/xlat/drm_syncobj_handle_to_fd_flags.in b/xlat/
> drm_syncobj_handle_to_fd_flags.in
> new file mode 100644
> index 00000000..5968102a
> --- /dev/null
> +++ b/xlat/drm_syncobj_handle_to_fd_flags.in
> @@ -0,0 +1 @@
> +DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE
> diff --git a/xlat/drm_syncobj_wait_flags.in b/xlat/
> drm_syncobj_wait_flags.in
> new file mode 100644
> index 00000000..d576b51f
> --- /dev/null
> +++ b/xlat/drm_syncobj_wait_flags.in
> @@ -0,0 +1,4 @@
> +#sorted
> +DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL                (1 << 0)
> +DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
> +DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE  (1 << 2)
> diff --git a/xlat/drm_vblank_seq_type.in b/xlat/drm_vblank_seq_type.in
> new file mode 100644
> index 00000000..97e3043a
> --- /dev/null
> +++ b/xlat/drm_vblank_seq_type.in
> @@ -0,0 +1,3 @@
> +#sorted
> +_DRM_VBLANK_ABSOLUTE           0x0
> +_DRM_VBLANK_RELATIVE           0x1
> diff --git a/xlat/drm_vblank_seq_type_flags.in b/xlat/
> drm_vblank_seq_type_flags.in
> new file mode 100644
> index 00000000..be9e2e4f
> --- /dev/null
> +++ b/xlat/drm_vblank_seq_type_flags.in
> @@ -0,0 +1,6 @@
> +#sorted
> +_DRM_VBLANK_EVENT      0x4000000
> +_DRM_VBLANK_FLIP       0x8000000
> +_DRM_VBLANK_NEXTONMISS 0x10000000
> +_DRM_VBLANK_SECONDARY  0x20000000
> +_DRM_VBLANK_SIGNAL     0x40000000
> --
> 2.20.1
>
>
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