On Mon, Jun 29, 2015 at 07:35:00PM +0200, Gabriel Laskar wrote:
> On Thu, 18 Jun 2015 10:42:45 +0200
> Patrik Jakobsson <patrik.jakobs...@linux.intel.com> wrote:
>
> > This patch adds many of the DRM and KMS ioctls. The rest can be added as
> > needed.
> >
> > * drm.c: Decode DRM_IOCTL_VERSION
> > * drm.c: Decode DRM_IOCTL_GET_UNIQUE
> > * drm.c: Decode DRM_IOCTL_GET_MAGIC
> > * drm.c: Decode DRM_IOCTL_WAIT_VBLANK
> > * drm.c: Decode DRM_IOCTL_MODE_GETRESOURCES
> > * drm.c: Decode DRM_IOCTL_MODE_GETCRTC
> > * drm.c: Decode DRM_IOCTL_MODE_SETCRTC
> > * drm.c: Decode DRM_IOCTL_MODE_CURSOR
> > * drm.c: Decode DRM_IOCTL_MODE_CURSOR2
> > * drm.c: Decode DRM_IOCTL_MODE_GETGAMMA
> > * drm.c: Decode DRM_IOCTL_MODE_SETGAMMA
> > * drm.c: Decode DRM_IOCTL_MODE_GETENCODER
> > * drm.c: Decode DRM_IOCTL_MODE_GETCONNECTOR
> > * drm.c: Decode DRM_IOCTL_MODE_GETPROPERTY
> > * drm.c: Decode DRM_IOCTL_MODE_SETPROPERTY
> > * drm.c: Decode DRM_IOCTL_MODE_GETPROPBLOB
> > * drm.c: Decode DRM_IOCTL_MODE_GETFB
> > * drm.c: Decode DRM_IOCTL_MODE_ADDFB
> > * drm.c: Decode DRM_IOCTL_MODE_RMFB
> > * drm.c: Decode DRM_IOCTL_MODE_PAGE_FLIP
> > * drm.c: Decode DRM_IOCTL_DIRTYFB
> > * drm.c: Decode DRM_IOCTL_CREATE_DUMB
> > * drm.c: Decode DRM_IOCTL_MAP_DUMB
> > * drm.c: Decode DRM_IOCTL_DESTROY_DUMB
> > * drm.c: Decode DRM_IOCTL_GEM_CLOSE
> >
> > Signed-off-by: Patrik Jakobsson <patrik.jakobs...@linux.intel.com>
> > ---
> > drm.c | 510
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 510 insertions(+)
> >
> > diff --git a/drm.c b/drm.c
> > index 8e3f7d1..2e6d763 100644
> > --- a/drm.c
> > +++ b/drm.c
> > @@ -104,6 +104,463 @@ int drm_decode_number(struct tcb *tcp, unsigned int
> > arg)
> > return 0;
> > }
> >
> > +static int drm_version(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_version ver;
> > +
> > + if (umove(tcp, arg, &ver))
> > + return 0;
> > +
>
> The umove() should be done only on exiting and if the ioctl succeded ?
>
> Same thing for most of the read only ioctl.
>
Yes, that could be moved into exiting. Will fix for all "single phase" ioctls.
> > + if (exiting(tcp)) {
> > + tprintf(", {version_major=%d, version_minor=%d,
> > version_patchlevel=%d, "
> > + "name_len=%lu, name=", ver.version_major,
> > + ver.version_minor, ver.version_patchlevel,
> > + ver.name_len);
> > + printstr(tcp, (long)ver.name, ver.name_len);
> > + tprintf(", date_len=%lu, date=", ver.date_len);
> > + printstr(tcp, (long)ver.date, ver.date_len);
> > + tprintf(", desc_len=%lu, desc=", ver.desc_len);
> > + printstr(tcp, (long)ver.desc, ver.desc_len);
> > + tprints("}");
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_get_unique(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + struct drm_unique unique;
> > +
> > + if (umove(tcp, arg, &unique))
> > + return 0;
> > +
> > + if (exiting(tcp)) {
> > + tprintf(", {unique_len=%lu, unique=}", unique.unique_len);
>
> There is an extra '}'
>
Oops
> > + printstr(tcp, (long)unique.unique, unique.unique_len);
> > + tprints("}");
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_get_magic(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + struct drm_auth auth;
> > +
> > + if (umove(tcp, arg, &auth))
> > + return 0;
> > +
> > + if (exiting(tcp))
> > + tprintf(", {magic=%u}", auth.magic);
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_wait_vblank(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + union drm_wait_vblank vblank;
> > +
> > + if (umove(tcp, arg, &vblank))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {request={type=%u, sequence=%u, signal=%lu}",
> > + vblank.request.type, vblank.request.sequence,
> > + vblank.request.signal);
> > + } else if (exiting(tcp)) {
> > + tprintf(", reply={type=%u, sequence=%u, tval_sec=%ld,
> > tval_usec=%ld}}",
> > + vblank.reply.type, vblank.reply.sequence,
> > + vblank.reply.tval_sec, vblank.reply.tval_usec);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_get_resources(struct tcb *tcp, const unsigned int
> > code, long arg)
> > +{
> > + struct drm_mode_card_res res;
> > +
> > + if (umove(tcp, arg, &res))
> > + return 0;
> > +
> > + if (exiting(tcp)) {
> > + tprintf(", {fb_id_ptr=%p, crtc_id_ptr=%p, connector_id_ptr=%p, "
> > + "encoder_id_ptr=%p, count_fbs=%u, count_crtcs=%u, "
> > + "count_connectors=%u, count_encoders=%u, min_width=%u, "
> > + "max_width=%u, min_height=%u, max_height=%u}",
> > + (void *)res.fb_id_ptr, (void *)res.crtc_id_ptr,
> > + (void *)res.connector_id_ptr, (void
> > *)res.encoder_id_ptr,
> > + res.count_fbs, res.count_crtcs, res.count_connectors,
> > + res.count_encoders, res.min_width, res.max_width,
> > + res.min_height, res.max_height);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static void drm_mode_print_modeinfo(struct drm_mode_modeinfo *info)
> > +{
> > + tprintf("clock=%u, hdisplay=%hu, hsync_start=%hu, hsync_end=%hu, "
> > + "htotal=%hu, hskew=%hu, vdisplay=%hu, vsync_start=%hu, "
> > + "vsync_end=%hu, vtotal=%hu, vscan=%hu, vrefresh=%u, "
> > + "flags=0x%x, type=%u, name=%s", info->clock, info->hdisplay,
> > + info->hsync_start, info->hsync_end, info->htotal, info->hskew,
> > + info->vdisplay, info->vsync_start, info->vsync_end,
> > + info->vtotal, info->vscan, info->vrefresh, info->flags,
> > + info->type, info->name);
> > +}
> > +
> > +static int drm_mode_get_crtc(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_crtc crtc;
> > +
> > + if (umove(tcp, arg, &crtc))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {crtc_id=%u", crtc.crtc_id);
> > + } else if (exiting(tcp)) {
> > + tprintf(", set_connectors_ptr=%p, count_connectors=%u, "
> > + "fb_id=%u, x=%u, y=%u, gamma_size=%u, mode_valid=%u, "
> > + "mode={", (void *)crtc.set_connectors_ptr,
> > + crtc.count_connectors, crtc.fb_id, crtc.x, crtc.y,
> > + crtc.gamma_size, crtc.mode_valid);
> > +
> > + drm_mode_print_modeinfo(&crtc.mode);
> > + tprintf("}}");
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_set_crtc(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_crtc crtc;
> > +
> > + if (umove(tcp, arg, &crtc))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {set_connectors_ptr=%p, count_connectors=%u, "
> > + "crtc_id=%u, fb_id=%u, x=%u, y=%u, gamma_size=%u, "
> > + "mode_valid=%u, mode={", (void
> > *)crtc.set_connectors_ptr,
> > + crtc.count_connectors, crtc.crtc_id, crtc.fb_id, crtc.x,
> > + crtc.y, crtc.gamma_size, crtc.mode_valid);
> > +
> > + drm_mode_print_modeinfo(&crtc.mode);
> > + tprintf("}}");
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_cursor(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + struct drm_mode_cursor cursor;
> > +
> > + if (umove(tcp, arg, &cursor))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {flags=0x%x, crtc_id=%u, x=%d, y=%d, width=%u, "
> > + "height=%u, handle=%u}", cursor.flags, cursor.crtc_id,
> > + cursor.x, cursor.y, cursor.width, cursor.height,
> > + cursor.handle);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_cursor2(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + struct drm_mode_cursor2 cursor;
> > +
> > + if (umove(tcp, arg, &cursor))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {flags=0x%x, crtc_id=%u, x=%d, y=%d, width=%u, "
> > + "height=%u, handle=%u, hot_x=%d, hot_y=%d}",
> > + cursor.flags, cursor.crtc_id, cursor.x, cursor.y,
> > + cursor.width, cursor.height, cursor.handle,
> > + cursor.hot_x, cursor.hot_y);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_get_gamma(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_crtc_lut lut;
> > +
> > + if (umove(tcp, arg, &lut))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + /* We don't print the entire table, just the pointers */
> > + tprintf(", {crtc_id=%u, gamma_size=%u, red=%p, green=%p, "
> > + "blue=%p}", lut.crtc_id, lut.gamma_size,
> > + (void *)lut.red, (void *)lut.green, (void *)lut.blue);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_set_gamma(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_crtc_lut lut;
> > +
> > + if (umove(tcp, arg, &lut))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + /* We don't print the entire table, just the rgb pointers */
> > + tprintf(", {crtc_id=%u, gamma_size=%u, red=%p, green=%p, "
> > + "blue=%p}", lut.crtc_id, lut.gamma_size,
> > + (void *)lut.red, (void *)lut.green, (void *)lut.blue);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_get_encoder(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_get_encoder enc;
> > +
> > + if (umove(tcp, arg, &enc))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {encoder_id=%u", enc.encoder_id);
> > + } else if (exiting(tcp)) {
> > + /* TODO: Print name of encoder type */
> > + tprintf(", encoder_type=%u, crtc_id=%u, possible_crtcs=0x%x, "
> > + "possible_clones=0x%x}", enc.encoder_type,
> > + enc.crtc_id, enc.possible_crtcs, enc.possible_clones);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_get_connector(struct tcb *tcp, const unsigned int
> > code, long arg)
> > +{
> > + struct drm_mode_get_connector con;
> > +
> > + if (umove(tcp, arg, &con))
> > + return 0;
> > +
> > + /* We could be very verbose here but keep is simple for now */
> > + if (entering(tcp)) {
> > + tprintf(", {connector_id=%u", con.connector_id);
> > + } else if (exiting(tcp)) {
> > + tprintf(", encoders_ptr=%p, modes_ptr=%p, props_ptr=%p, "
> > + "prop_values_ptr=%p, count_modes=%u, count_props=%u, "
> > + "count_encoders=%u, encoder_id=%u, connector_type=%u, "
> > + "connector_type_id=%u, connection=%u, mm_width=%u, "
> > + "mm_height=%u, subpixel=%u}", (void *)con.encoders_ptr,
> > + (void *)con.modes_ptr, (void *)con.props_ptr,
> > + (void *)con.prop_values_ptr, con.count_modes,
> > + con.count_props, con.count_encoders, con.encoder_id,
> > + con.connector_type, con.connector_type_id,
> > + con.connection, con.mm_width, con.mm_height,
> > + con.subpixel);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_get_property(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_get_property prop;
> > +
> > + if (umove(tcp, arg, &prop))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {prop_id=%u", prop.prop_id);
> > + } else if (exiting(tcp)) {
> > + tprintf(", values_ptr=%p, enum_blob_ptr=%p, flags=0x%x, "
> > + "name=%s, count_values=%u, count_enum_blobs=%u}",
> > + (void *)prop.values_ptr, (void *)prop.enum_blob_ptr,
> > + prop.flags, prop.name, prop.count_values,
> > + prop.count_enum_blobs);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_set_property(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_connector_set_property prop;
> > +
> > + if (umove(tcp, arg, &prop))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {value=%Lu, prop_id=%u, connector_id=%u}",
> > + prop.value, prop.prop_id, prop.connector_id);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_get_prop_blob(struct tcb *tcp, const unsigned int
> > code, long arg)
> > +{
> > + struct drm_mode_get_blob blob;
> > +
> > + if (umove(tcp, arg, &blob))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {blob_id=%u", blob.blob_id);
> > + } else if (exiting(tcp)) {
> > + tprintf(", length=%u, data=%p}", blob.length,
> > + (void *)blob.data);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_add_fb(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + struct drm_mode_fb_cmd cmd;
> > +
> > + if (umove(tcp, arg, &cmd))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {width=%u, height=%u, pitch=%u, bpp=%u, depth=%u, "
> > + "handle=%u", cmd.width, cmd.height, cmd.pitch,
> > + cmd.bpp, cmd.depth, cmd.handle);
> > + } else if (exiting(tcp)) {
> > + tprintf(", fb_id=%u}", cmd.fb_id);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_get_fb(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + struct drm_mode_fb_cmd cmd;
> > +
> > + if (umove(tcp, arg, &cmd))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {fb_id=%u", cmd.fb_id);
> > + } else {
> > + tprintf(", width=%u, height=%u, pitch=%u, bpp=%u, depth=%u, "
> > + "handle=%u}", cmd.width, cmd.height, cmd.pitch,
> > + cmd.bpp, cmd.depth, cmd.handle);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_rm_fb(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + unsigned int handle;
> > +
> > + if (umove(tcp, arg, &handle))
> > + return 0;
> > +
> > + if (entering(tcp))
> > + tprintf(", %u", handle);
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_page_flip(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_crtc_page_flip flip;
> > +
> > + if (umove(tcp, arg, &flip))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {crtc_id=%u, fb_id=%u, flags=0x%x, user_data=0x%Lx}",
> > + flip.crtc_id, flip.fb_id, flip.flags, flip.user_data);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_dirty_fb(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_fb_dirty_cmd cmd;
> > +
> > + if (umove(tcp, arg, &cmd))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {fb_id=%u, flags=0x%x, color=0x%x, num_clips=%u, "
> > + "clips_ptr=%p}", cmd.fb_id, cmd.flags, cmd.color,
> > + cmd.num_clips, (void *)cmd.clips_ptr);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_create_dumb(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_create_dumb dumb;
> > +
> > + if (umove(tcp, arg, &dumb))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {width=%u, height=%u, bpp=%u, flags=0x%x",
> > + dumb.width, dumb.height, dumb.bpp, dumb.flags);
> > + } else if (exiting(tcp)) {
> > + tprintf(", handle=%u, pitch=%u, size=%Lu}", dumb.handle,
> > + dumb.pitch, dumb.size);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_map_dumb(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_map_dumb dumb;
> > +
> > + if (umove(tcp, arg, &dumb))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u", dumb.handle);
> > + } else if (exiting(tcp)) {
> > + tprintf(", offset=%Lu}", dumb.offset);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_mode_destroy_dumb(struct tcb *tcp, const unsigned int code,
> > long arg)
> > +{
> > + struct drm_mode_destroy_dumb dumb;
> > +
> > + if (umove(tcp, arg, &dumb))
> > + return 0;
> > +
> > + if (entering(tcp))
> > + tprintf(", {handle=%u}", dumb.handle);
> > +
> > + return 1;
> > +}
> > +
> > +static int drm_gem_close(struct tcb *tcp, const unsigned int code, long
> > arg)
> > +{
> > + struct drm_gem_close close;
> > +
> > + if (umove(tcp, arg, &close))
> > + return 0;
> > +
> > + if (entering(tcp))
> > + tprintf(", {handle=%u}", close.handle);
> > +
> > + return 1;
> > +}
> > +
> > int drm_ioctl(struct tcb *tcp, const unsigned int code, long arg)
> > {
> > /* Check for device specific ioctls */
> > @@ -112,6 +569,59 @@ int drm_ioctl(struct tcb *tcp, const unsigned int
> > code, long arg)
> > return drm_i915_ioctl(tcp, code, arg);
> > }
> >
> > + switch (code) {
> > + case DRM_IOCTL_VERSION:
> > + return drm_version(tcp, code, arg);
> > + case DRM_IOCTL_GET_UNIQUE:
> > + return drm_get_unique(tcp, code, arg);
> > + case DRM_IOCTL_GET_MAGIC:
> > + return drm_get_magic(tcp, code, arg);
> > + case DRM_IOCTL_WAIT_VBLANK:
> > + return drm_wait_vblank(tcp, code, arg);
> > + case DRM_IOCTL_MODE_GETRESOURCES:
> > + return drm_mode_get_resources(tcp, code, arg);
> > + case DRM_IOCTL_MODE_GETCRTC:
> > + return drm_mode_get_crtc(tcp, code, arg);
> > + case DRM_IOCTL_MODE_SETCRTC:
> > + return drm_mode_set_crtc(tcp, code, arg);
> > + case DRM_IOCTL_MODE_CURSOR:
> > + return drm_mode_cursor(tcp, code, arg);
> > + case DRM_IOCTL_MODE_CURSOR2:
> > + return drm_mode_cursor2(tcp, code, arg);
> > + case DRM_IOCTL_MODE_GETGAMMA:
> > + return drm_mode_get_gamma(tcp, code, arg);
> > + case DRM_IOCTL_MODE_SETGAMMA:
> > + return drm_mode_set_gamma(tcp, code, arg);
> > + case DRM_IOCTL_MODE_GETENCODER:
> > + return drm_mode_get_encoder(tcp, code, arg);
> > + case DRM_IOCTL_MODE_GETCONNECTOR:
> > + return drm_mode_get_connector(tcp, code, arg);
> > + case DRM_IOCTL_MODE_GETPROPERTY:
> > + return drm_mode_get_property(tcp, code, arg);
> > + case DRM_IOCTL_MODE_SETPROPERTY:
> > + return drm_mode_set_property(tcp, code, arg);
> > + case DRM_IOCTL_MODE_GETPROPBLOB:
> > + return drm_mode_get_prop_blob(tcp, code, arg);
> > + case DRM_IOCTL_MODE_GETFB:
> > + return drm_mode_get_fb(tcp, code, arg);
> > + case DRM_IOCTL_MODE_ADDFB:
> > + return drm_mode_add_fb(tcp, code, arg);
> > + case DRM_IOCTL_MODE_RMFB:
> > + return drm_mode_rm_fb(tcp, code, arg);
> > + case DRM_IOCTL_MODE_PAGE_FLIP:
> > + return drm_mode_page_flip(tcp, code, arg);
> > + case DRM_IOCTL_MODE_DIRTYFB:
> > + return drm_mode_dirty_fb(tcp, code, arg);
> > + case DRM_IOCTL_MODE_CREATE_DUMB:
> > + return drm_mode_create_dumb(tcp, code, arg);
> > + case DRM_IOCTL_MODE_MAP_DUMB:
> > + return drm_mode_map_dumb(tcp, code, arg);
> > + case DRM_IOCTL_MODE_DESTROY_DUMB:
> > + return drm_mode_destroy_dumb(tcp, code, arg);
> > + case DRM_IOCTL_GEM_CLOSE:
> > + return drm_gem_close(tcp, code, arg);
> > + }
> > +
> > /* Free any allocated private data */
> > if (exiting(tcp) && tcp->priv_data != NULL) {
> > free(tcp->priv_data);
>
>
>
> --
> Gabriel Laskar
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