sync with OpenBSD -current

This commit is contained in:
purplerain 2024-04-29 00:35:41 +00:00
parent 5d45cd7ee8
commit 155eb8555e
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
5506 changed files with 1786257 additions and 1416034 deletions

View file

@ -667,8 +667,11 @@ struct drm_gem_open {
* Bitfield of supported PRIME sharing capabilities. See &DRM_PRIME_CAP_IMPORT
* and &DRM_PRIME_CAP_EXPORT.
*
* PRIME buffers are exposed as dma-buf file descriptors. See
* Documentation/gpu/drm-mm.rst, section "PRIME Buffer Sharing".
* Starting from kernel version 6.6, both &DRM_PRIME_CAP_IMPORT and
* &DRM_PRIME_CAP_EXPORT are always advertised.
*
* PRIME buffers are exposed as dma-buf file descriptors.
* See :ref:`prime_buffer_sharing`.
*/
#define DRM_CAP_PRIME 0x5
/**
@ -676,6 +679,8 @@ struct drm_gem_open {
*
* If this bit is set in &DRM_CAP_PRIME, the driver supports importing PRIME
* buffers via the &DRM_IOCTL_PRIME_FD_TO_HANDLE ioctl.
*
* Starting from kernel version 6.6, this bit is always set in &DRM_CAP_PRIME.
*/
#define DRM_PRIME_CAP_IMPORT 0x1
/**
@ -683,6 +688,8 @@ struct drm_gem_open {
*
* If this bit is set in &DRM_CAP_PRIME, the driver supports exporting PRIME
* buffers via the &DRM_IOCTL_PRIME_HANDLE_TO_FD ioctl.
*
* Starting from kernel version 6.6, this bit is always set in &DRM_CAP_PRIME.
*/
#define DRM_PRIME_CAP_EXPORT 0x2
/**
@ -750,15 +757,14 @@ struct drm_gem_open {
/**
* DRM_CAP_SYNCOBJ
*
* If set to 1, the driver supports sync objects. See
* Documentation/gpu/drm-mm.rst, section "DRM Sync Objects".
* If set to 1, the driver supports sync objects. See :ref:`drm_sync_objects`.
*/
#define DRM_CAP_SYNCOBJ 0x13
/**
* DRM_CAP_SYNCOBJ_TIMELINE
*
* If set to 1, the driver supports timeline operations on sync objects. See
* Documentation/gpu/drm-mm.rst, section "DRM Sync Objects".
* :ref:`drm_sync_objects`.
*/
#define DRM_CAP_SYNCOBJ_TIMELINE 0x14
@ -903,6 +909,27 @@ struct drm_syncobj_timeline_wait {
__u32 pad;
};
/**
* struct drm_syncobj_eventfd
* @handle: syncobj handle.
* @flags: Zero to wait for the point to be signalled, or
* &DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE to wait for a fence to be
* available for the point.
* @point: syncobj timeline point (set to zero for binary syncobjs).
* @fd: Existing eventfd to sent events to.
* @pad: Must be zero.
*
* Register an eventfd to be signalled by a syncobj. The eventfd counter will
* be incremented by one.
*/
struct drm_syncobj_eventfd {
__u32 handle;
__u32 flags;
__u64 point;
__s32 fd;
__u32 pad;
};
struct drm_syncobj_array {
__u64 handles;
@ -966,6 +993,19 @@ extern "C" {
#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)
/**
* DRM_IOCTL_GEM_CLOSE - Close a GEM handle.
*
* GEM handles are not reference-counted by the kernel. User-space is
* responsible for managing their lifetime. For example, if user-space imports
* the same memory object twice on the same DRM file description, the same GEM
* handle is returned by both imports, and user-space needs to ensure
* &DRM_IOCTL_GEM_CLOSE is performed once only. The same situation can happen
* when a memory object is allocated, then exported and imported again on the
* same DRM file description. The &DRM_IOCTL_MODE_GETFB2 IOCTL is an exception
* and always returns fresh new GEM handles even if an existing GEM handle
* already refers to the same memory object before the IOCTL is performed.
*/
#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)
@ -1006,7 +1046,37 @@ extern "C" {
#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock)
#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock)
/**
* DRM_IOCTL_PRIME_HANDLE_TO_FD - Convert a GEM handle to a DMA-BUF FD.
*
* User-space sets &drm_prime_handle.handle with the GEM handle to export and
* &drm_prime_handle.flags, and gets back a DMA-BUF file descriptor in
* &drm_prime_handle.fd.
*
* The export can fail for any driver-specific reason, e.g. because export is
* not supported for this specific GEM handle (but might be for others).
*
* Support for exporting DMA-BUFs is advertised via &DRM_PRIME_CAP_EXPORT.
*/
#define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle)
/**
* DRM_IOCTL_PRIME_FD_TO_HANDLE - Convert a DMA-BUF FD to a GEM handle.
*
* User-space sets &drm_prime_handle.fd with a DMA-BUF file descriptor to
* import, and gets back a GEM handle in &drm_prime_handle.handle.
* &drm_prime_handle.flags is unused.
*
* If an existing GEM handle refers to the memory object backing the DMA-BUF,
* that GEM handle is returned. Therefore user-space which needs to handle
* arbitrary DMA-BUFs must have a user-space lookup data structure to manually
* reference-count duplicated GEM handles. For more information see
* &DRM_IOCTL_GEM_CLOSE.
*
* The import can fail for any driver-specific reason, e.g. because import is
* only supported for DMA-BUFs allocated on this DRM device.
*
* Support for importing DMA-BUFs is advertised via &DRM_PRIME_CAP_IMPORT.
*/
#define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle)
#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
@ -1098,8 +1168,13 @@ extern "C" {
* struct as the output.
*
* If the client is DRM master or has &CAP_SYS_ADMIN, &drm_mode_fb_cmd2.handles
* will be filled with GEM buffer handles. Planes are valid until one has a
* zero handle -- this can be used to compute the number of planes.
* will be filled with GEM buffer handles. Fresh new GEM handles are always
* returned, even if another GEM handle referring to the same memory object
* already exists on the DRM file description. The caller is responsible for
* removing the new handles, e.g. via the &DRM_IOCTL_GEM_CLOSE IOCTL. The same
* new handle will be returned for multiple planes in case they use the same
* memory object. Planes are valid until one has a zero handle -- this can be
* used to compute the number of planes.
*
* Otherwise, &drm_mode_fb_cmd2.handles will be zeroed and planes are valid
* until one has a zero &drm_mode_fb_cmd2.pitches.
@ -1107,9 +1182,16 @@ extern "C" {
* If the framebuffer has a format modifier, &DRM_MODE_FB_MODIFIERS will be set
* in &drm_mode_fb_cmd2.flags and &drm_mode_fb_cmd2.modifier will contain the
* modifier. Otherwise, user-space must ignore &drm_mode_fb_cmd2.modifier.
*
* To obtain DMA-BUF FDs for each plane without leaking GEM handles, user-space
* can export each handle via &DRM_IOCTL_PRIME_HANDLE_TO_FD, then immediately
* close each unique handle via &DRM_IOCTL_GEM_CLOSE, making sure to not
* double-close handles which are specified multiple times in the array.
*/
#define DRM_IOCTL_MODE_GETFB2 DRM_IOWR(0xCE, struct drm_mode_fb_cmd2)
#define DRM_IOCTL_SYNCOBJ_EVENTFD DRM_IOWR(0xCF, struct drm_syncobj_eventfd)
/*
* Device specific ioctls should only be in their respective headers
* The device specific ioctl range is from 0x40 to 0x9f.
@ -1121,25 +1203,50 @@ extern "C" {
#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.
/**
* struct drm_event - Header for DRM events
* @type: event type.
* @length: total number of payload bytes (including header).
*
* Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
* up are chipset specific.
* This struct is a header for events written back to user-space on the DRM FD.
* A read on the DRM FD will always only return complete events: e.g. if the
* read buffer is 100 bytes large 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. Generic DRM events include &DRM_EVENT_VBLANK,
* &DRM_EVENT_FLIP_COMPLETE and &DRM_EVENT_CRTC_SEQUENCE.
*/
struct drm_event {
__u32 type;
__u32 length;
};
/**
* DRM_EVENT_VBLANK - vertical blanking event
*
* This event is sent in response to &DRM_IOCTL_WAIT_VBLANK with the
* &_DRM_VBLANK_EVENT flag set.
*
* The event payload is a struct drm_event_vblank.
*/
#define DRM_EVENT_VBLANK 0x01
/**
* DRM_EVENT_FLIP_COMPLETE - page-flip completion event
*
* This event is sent in response to an atomic commit or legacy page-flip with
* the &DRM_MODE_PAGE_FLIP_EVENT flag set.
*
* The event payload is a struct drm_event_vblank.
*/
#define DRM_EVENT_FLIP_COMPLETE 0x02
/**
* DRM_EVENT_CRTC_SEQUENCE - CRTC sequence event
*
* This event is sent in response to &DRM_IOCTL_CRTC_QUEUE_SEQUENCE.
*
* The event payload is a struct drm_event_crtc_sequence.
*/
#define DRM_EVENT_CRTC_SEQUENCE 0x03
struct drm_event_vblank {