[PATCH 06/11] drm: Define a drm_invalid_op ioctl implementation
David Herrmann
dh.herrmann at gmail.com
Wed Sep 9 05:28:47 PDT 2015
Hi
On Tue, Sep 8, 2015 at 1:56 PM, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> And use it in radeon to replace all the ioctls no longer valid in kms
> mode. I plan to also use this later on when nuking the ums support for
> i915.
>
> Note that setting the function pointer in the ioctl table to NULL
> would amount to the same, but that results in some debug output from
> the drm_ioctl() function. I've figured it's cleaner to have a
> special-purpose function.
>
> Cc: Alex Deucher <alexdeucher at gmail.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
> drivers/gpu/drm/drm_ioctl.c | 7 +++
> drivers/gpu/drm/radeon/radeon_kms.c | 94 +++++++++++--------------------------
> include/drm/drmP.h | 2 +
> 3 files changed, 36 insertions(+), 67 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
> index 4d7f2677b2ea..f0b4f581f6ce 100644
> --- a/drivers/gpu/drm/drm_ioctl.c
> +++ b/drivers/gpu/drm/drm_ioctl.c
> @@ -415,6 +415,13 @@ int drm_noop(struct drm_device *dev, void *data,
> }
> EXPORT_SYMBOL(drm_noop);
>
> +int drm_invalid_op(struct drm_device *dev, void *data,
> + struct drm_file *file_priv)
> +{
> + return -EINVAL;
> +}
> +EXPORT_SYMBOL(drm_invalid_op);
> +
We could just store ERR_PTR(-EINVAL) in the ioctl-table and make the
ioctl-handler handle this. Anyway:
Reviewed-by: David Herrmann <dh.herrmann at gmail.com>
Thanks
David
> /**
> * Copy and IOCTL return string to user space
> */
> diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
> index 4a119c255ba9..03d285b30c83 100644
> --- a/drivers/gpu/drm/radeon/radeon_kms.c
> +++ b/drivers/gpu/drm/radeon/radeon_kms.c
> @@ -844,74 +844,34 @@ int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
> drmcrtc, &drmcrtc->hwmode);
> }
>
> -#define KMS_INVALID_IOCTL(name) \
> -static int name(struct drm_device *dev, void *data, struct drm_file \
> - *file_priv) \
> -{ \
> - DRM_ERROR("invalid ioctl with kms %s\n", __func__); \
> - return -EINVAL; \
> -}
> -
> -/*
> - * All these ioctls are invalid in kms world.
> - */
> -KMS_INVALID_IOCTL(radeon_cp_init_kms)
> -KMS_INVALID_IOCTL(radeon_cp_start_kms)
> -KMS_INVALID_IOCTL(radeon_cp_stop_kms)
> -KMS_INVALID_IOCTL(radeon_cp_reset_kms)
> -KMS_INVALID_IOCTL(radeon_cp_idle_kms)
> -KMS_INVALID_IOCTL(radeon_cp_resume_kms)
> -KMS_INVALID_IOCTL(radeon_engine_reset_kms)
> -KMS_INVALID_IOCTL(radeon_fullscreen_kms)
> -KMS_INVALID_IOCTL(radeon_cp_swap_kms)
> -KMS_INVALID_IOCTL(radeon_cp_clear_kms)
> -KMS_INVALID_IOCTL(radeon_cp_vertex_kms)
> -KMS_INVALID_IOCTL(radeon_cp_indices_kms)
> -KMS_INVALID_IOCTL(radeon_cp_texture_kms)
> -KMS_INVALID_IOCTL(radeon_cp_stipple_kms)
> -KMS_INVALID_IOCTL(radeon_cp_indirect_kms)
> -KMS_INVALID_IOCTL(radeon_cp_vertex2_kms)
> -KMS_INVALID_IOCTL(radeon_cp_cmdbuf_kms)
> -KMS_INVALID_IOCTL(radeon_cp_getparam_kms)
> -KMS_INVALID_IOCTL(radeon_cp_flip_kms)
> -KMS_INVALID_IOCTL(radeon_mem_alloc_kms)
> -KMS_INVALID_IOCTL(radeon_mem_free_kms)
> -KMS_INVALID_IOCTL(radeon_mem_init_heap_kms)
> -KMS_INVALID_IOCTL(radeon_irq_emit_kms)
> -KMS_INVALID_IOCTL(radeon_irq_wait_kms)
> -KMS_INVALID_IOCTL(radeon_cp_setparam_kms)
> -KMS_INVALID_IOCTL(radeon_surface_alloc_kms)
> -KMS_INVALID_IOCTL(radeon_surface_free_kms)
> -
> -
> const struct drm_ioctl_desc radeon_ioctls_kms[] = {
> - DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, radeon_cp_init_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> - DRM_IOCTL_DEF_DRV(RADEON_CP_START, radeon_cp_start_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> - DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, radeon_cp_stop_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> - DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, radeon_cp_reset_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> - DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, radeon_cp_idle_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, radeon_cp_resume_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_RESET, radeon_engine_reset_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, radeon_fullscreen_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_SWAP, radeon_cp_swap_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_CLEAR, radeon_cp_clear_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_VERTEX, radeon_cp_vertex_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_INDICES, radeon_cp_indices_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, radeon_cp_texture_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, radeon_cp_stipple_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, radeon_cp_indirect_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> - DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, radeon_cp_vertex2_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, radeon_cp_cmdbuf_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, radeon_cp_getparam_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_FLIP, radeon_cp_flip_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_ALLOC, radeon_mem_alloc_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_FREE, radeon_mem_free_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, radeon_mem_init_heap_kms, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> - DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, radeon_irq_emit_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, radeon_irq_wait_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, radeon_cp_setparam_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH),
> - DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> + DRM_IOCTL_DEF_DRV(RADEON_CP_START, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> + DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> + DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> + DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_RESET, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_SWAP, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_CLEAR, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_VERTEX, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_INDICES, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> + DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_FLIP, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_ALLOC, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_FREE, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
> + DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, drm_invalid_op, DRM_AUTH),
> + DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, drm_invalid_op, DRM_AUTH),
> /* KMS */
> DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
> DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index 5e3acb480d9a..feba39e3cf6d 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -906,6 +906,8 @@ extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
> /* Misc. IOCTL support (drm_ioctl.c) */
> int drm_noop(struct drm_device *dev, void *data,
> struct drm_file *file_priv);
> +int drm_invalid_op(struct drm_device *dev, void *data,
> + struct drm_file *file_priv);
>
> /* Cache management (drm_cache.c) */
> void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
> --
> 2.5.1
>
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