[RFC,v4,16/25] drm: Make ioctls available for in-kernel clients

Message ID	20180413165354.8331-17-noralf@tronnes.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <intel-gfx-bounces@lists.freedesktop.org> From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org> To: dri-devel@lists.freedesktop.org Date: Fri, 13 Apr 2018 18:53:45 +0200 Message-Id: <20180413165354.8331-17-noralf@tronnes.org> In-Reply-To: <20180413165354.8331-1-noralf@tronnes.org> References: <20180413165354.8331-1-noralf@tronnes.org> MIME-Version: 1.0 Subject: [Intel-gfx] [RFC v4 16/25] drm: Make ioctls available for in-kernel clients Precedence: list Cc: daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>, laurent.pinchart@ideasonboard.com, mstaudt@suse.de, dh.herrmann@gmail.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>

diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h index 3c2b82865ad2..8f8886ac0e4d 100644 --- a/drivers/gpu/drm/drm_crtc_internal.h +++ b/drivers/gpu/drm/drm_crtc_internal.h @@ -62,6 +62,12 @@ int drm_mode_getresources(struct drm_device *dev, /* drm_dumb_buffers.c */ +int drm_mode_create_dumb(struct drm_device *dev, + struct drm_mode_create_dumb *args, + struct drm_file *file_priv); +int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle, + struct drm_file *file_priv); + /* IOCTLs */ int drm_mode_create_dumb_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); @@ -163,14 +169,18 @@ int drm_framebuffer_check_src_coords(uint32_t src_x, uint32_t src_y, const struct drm_framebuffer *fb); void drm_fb_release(struct drm_file *file_priv); +int drm_mode_addfb2(struct drm_device *dev, struct drm_mode_fb_cmd2 *r, + struct drm_file *file_priv, const char *comm); +int drm_mode_rmfb(struct drm_device *dev, u32 fb_id, + struct drm_file *file_priv); /* IOCTL */ int drm_mode_addfb(struct drm_device *dev, void *data, struct drm_file *file_priv); -int drm_mode_addfb2(struct drm_device *dev, - void *data, struct drm_file *file_priv); -int drm_mode_rmfb(struct drm_device *dev, - void *data, struct drm_file *file_priv); +int drm_mode_addfb2_ioctl(struct drm_device *dev, + void *data, struct drm_file *file_priv); +int drm_mode_rmfb_ioctl(struct drm_device *dev, + void *data, struct drm_file *file_priv); int drm_mode_getfb(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_mode_dirtyfb_ioctl(struct drm_device *dev, diff --git a/drivers/gpu/drm/drm_dumb_buffers.c b/drivers/gpu/drm/drm_dumb_buffers.c index 39ac15ce4702..eed9687b8698 100644 --- a/drivers/gpu/drm/drm_dumb_buffers.c +++ b/drivers/gpu/drm/drm_dumb_buffers.c @@ -53,10 +53,10 @@ * a hardware-specific ioctl to allocate suitable buffer objects. */ -int drm_mode_create_dumb_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) +int drm_mode_create_dumb(struct drm_device *dev, + struct drm_mode_create_dumb *args, + struct drm_file *file_priv) { - struct drm_mode_create_dumb *args = data; u32 cpp, stride, size; if (!dev->driver->dumb_create) @@ -91,6 +91,12 @@ int drm_mode_create_dumb_ioctl(struct drm_device *dev, return dev->driver->dumb_create(file_priv, dev, args); } +int drm_mode_create_dumb_ioctl(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + return drm_mode_create_dumb(dev, data, file_priv); +} + /** * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer * @dev: DRM device @@ -122,17 +128,22 @@ int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, &args->offset); } +int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle, + struct drm_file *file_priv) +{ + if (!dev->driver->dumb_create) + return -ENOSYS; + + if (dev->driver->dumb_destroy) + return dev->driver->dumb_destroy(file_priv, dev, handle); + else + return drm_gem_dumb_destroy(file_priv, dev, handle); +} + int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_mode_destroy_dumb *args = data; - if (!dev->driver->dumb_create) - return -ENOSYS; - - if (dev->driver->dumb_destroy) - return dev->driver->dumb_destroy(file_priv, dev, args->handle); - else - return drm_gem_dumb_destroy(file_priv, dev, args->handle); + return drm_mode_destroy_dumb(dev, args->handle, file_priv); } - diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index 8c4d32adcc17..16769e4db5c0 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -125,7 +125,7 @@ int drm_mode_addfb(struct drm_device *dev, dev->driver->driver_features & DRIVER_PREFER_XBGR_30BPP) r.pixel_format = DRM_FORMAT_XBGR2101010; - ret = drm_mode_addfb2(dev, &r, file_priv); + ret = drm_mode_addfb2_ioctl(dev, &r, file_priv); if (ret) return ret; @@ -310,23 +310,23 @@ drm_internal_framebuffer_create(struct drm_device *dev, /** * drm_mode_addfb2 - add an FB to the graphics configuration - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call + * @dev: drm device + * @r: pointer to request structure + * @file_priv: drm file + * @comm: optionally override the allocator name used for debug output * * Add a new FB to the specified CRTC, given a user request with format. This is * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers * and uses fourcc codes as pixel format specifiers. * - * Called by the user via ioctl. + * Called by the user via ioctl, or by an in-kernel client. * * Returns: * Zero on success, negative errno on failure. */ -int drm_mode_addfb2(struct drm_device *dev, - void *data, struct drm_file *file_priv) +int drm_mode_addfb2(struct drm_device *dev, struct drm_mode_fb_cmd2 *r, + struct drm_file *file_priv, const char *comm) { - struct drm_mode_fb_cmd2 *r = data; struct drm_framebuffer *fb; if (!drm_core_check_feature(dev, DRIVER_MODESET)) @@ -336,6 +336,9 @@ int drm_mode_addfb2(struct drm_device *dev, if (IS_ERR(fb)) return PTR_ERR(fb); + if (comm) + strscpy(fb->comm, comm, TASK_COMM_LEN); + DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); r->fb_id = fb->base.id; @@ -347,6 +350,12 @@ int drm_mode_addfb2(struct drm_device *dev, return 0; } +int drm_mode_addfb2_ioctl(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + return drm_mode_addfb2(dev, data, file_priv, NULL); +} + struct drm_mode_rmfb_work { struct work_struct work; struct list_head fbs; @@ -367,29 +376,28 @@ static void drm_mode_rmfb_work_fn(struct work_struct *w) /** * drm_mode_rmfb - remove an FB from the configuration - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call + * @dev: drm device + * @fb_id: id of framebuffer to remove + * @file_priv: drm file * - * Remove the FB specified by the user. + * Remove the specified FB. * - * Called by the user via ioctl. + * Called by the user via ioctl, or by an in-kernel client. * * Returns: * Zero on success, negative errno on failure. */ -int drm_mode_rmfb(struct drm_device *dev, - void *data, struct drm_file *file_priv) +int drm_mode_rmfb(struct drm_device *dev, u32 fb_id, + struct drm_file *file_priv) { struct drm_framebuffer *fb = NULL; struct drm_framebuffer *fbl = NULL; - uint32_t *id = data; int found = 0; if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - fb = drm_framebuffer_lookup(dev, file_priv, *id); + fb = drm_framebuffer_lookup(dev, file_priv, fb_id); if (!fb) return -ENOENT; @@ -435,6 +443,14 @@ int drm_mode_rmfb(struct drm_device *dev, return -ENOENT; } +int drm_mode_rmfb_ioctl(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + uint32_t *fb_id = data; + + return drm_mode_rmfb(dev, *fb_id, file_priv); +} + /** * drm_mode_getfb - get FB info * @dev: drm device for the ioctl diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h index 40179c5fc6b8..3f5d7706bcc9 100644 --- a/drivers/gpu/drm/drm_internal.h +++ b/drivers/gpu/drm/drm_internal.h @@ -37,6 +37,9 @@ void drm_pci_agp_destroy(struct drm_device *dev); int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); /* drm_prime.c */ +int drm_prime_handle_to_fd(struct drm_device *dev, + struct drm_prime_handle *args, + struct drm_file *file_priv); int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index f8e96e648acf..576d00b7dad5 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -884,7 +884,7 @@ static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, sizeof(req64.modifier))) return -EFAULT; - err = drm_ioctl_kernel(file, drm_mode_addfb2, &req64, + err = drm_ioctl_kernel(file, drm_mode_addfb2_ioctl, &req64, DRM_CONTROL_ALLOW|DRM_UNLOCKED); if (err) return err; diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index af782911c505..c69fda5d3875 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -635,8 +635,8 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_CONTROL_ALLOW|DRM_UNLOCKED), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2, DRM_CONTROL_ALLOW|DRM_UNLOCKED), - DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_CONTROL_ALLOW|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED), diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index caf675e3e692..e6052ab2bec4 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -866,11 +866,10 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev, } EXPORT_SYMBOL(drm_gem_prime_fd_to_handle); -int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) +int drm_prime_handle_to_fd(struct drm_device *dev, + struct drm_prime_handle *args, + struct drm_file *file_priv) { - struct drm_prime_handle *args = data; - if (!drm_core_check_feature(dev, DRIVER_PRIME)) return -EINVAL; @@ -885,6 +884,12 @@ int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, args->handle, args->flags, &args->fd); } +int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return drm_prime_handle_to_fd(dev, data, file_priv); +} + int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) {

[RFC,v4,16/25] drm: Make ioctls available for in-kernel clients

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