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| author | Danilo Krummrich <dakr@kernel.org> | 2025-09-10 12:07:05 +0300 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2025-09-10 12:07:05 +0300 |
| commit | d4dc08c530cbf71fb1c7cddb9d1e7e36bd62e22f (patch) | |
| tree | d26f9c9ffe7168b67ca107d26883b15dcd0cc7e2 /include/uapi | |
| parent | 6b35936f058d0cb9171c7be1424b62017b874913 (diff) | |
| parent | 043d9c6928b010be7902a01b5cdfa7d754535b1a (diff) | |
| download | linux-d4dc08c530cbf71fb1c7cddb9d1e7e36bd62e22f.tar.xz | |
Merge drm-misc-next-2025-08-21 into drm-rust-next
We need the DRM Rust changes that went into drm-misc before the
existence of the drm-rust tree in here as well.
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/amdxdna_accel.h | 25 | ||||
| -rw-r--r-- | include/uapi/drm/drm.h | 63 | ||||
| -rw-r--r-- | include/uapi/drm/drm_mode.h | 8 | ||||
| -rw-r--r-- | include/uapi/drm/panthor_drm.h | 3 | ||||
| -rw-r--r-- | include/uapi/drm/rocket_accel.h | 142 | ||||
| -rw-r--r-- | include/uapi/drm/v3d_drm.h | 2 |
6 files changed, 231 insertions, 12 deletions
diff --git a/include/uapi/drm/amdxdna_accel.h b/include/uapi/drm/amdxdna_accel.h index a706ead39082..ce523e9ccc52 100644 --- a/include/uapi/drm/amdxdna_accel.h +++ b/include/uapi/drm/amdxdna_accel.h @@ -154,6 +154,31 @@ enum amdxdna_bo_type { }; /** + * struct amdxdna_drm_va_entry + * @vaddr: Virtual address. + * @len: Size of entry. + */ +struct amdxdna_drm_va_entry { + __u64 vaddr; + __u64 len; +}; + +/** + * struct amdxdna_drm_va_tbl + * @dmabuf_fd: The fd of dmabuf. + * @num_entries: Number of va entries. + * @va_entries: Array of va entries. + * + * The input can be either a dmabuf fd or a virtual address entry table. + * When dmabuf_fd is used, num_entries must be zero. + */ +struct amdxdna_drm_va_tbl { + __s32 dmabuf_fd; + __u32 num_entries; + struct amdxdna_drm_va_entry va_entries[]; +}; + +/** * struct amdxdna_drm_create_bo - Create a buffer object. * @flags: Buffer flags. MBZ. * @vaddr: User VA of buffer if applied. MBZ. diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index e63a71d3c607..3cd5cf15e3c9 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -597,35 +597,66 @@ struct drm_set_version { int drm_dd_minor; }; -/* DRM_IOCTL_GEM_CLOSE ioctl argument type */ +/** + * struct drm_gem_close - Argument for &DRM_IOCTL_GEM_CLOSE ioctl. + * @handle: Handle of the object to be closed. + * @pad: Padding. + * + * Releases the handle to an mm object. + */ 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 - Argument for &DRM_IOCTL_GEM_FLINK ioctl. + * @handle: Handle for the object being named. + * @name: Returned global name. + * + * Create a global name for an object, returning the name. + * + * Note that the name does not hold a reference; when the object + * is freed, the name goes away. + */ 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 - Argument for &DRM_IOCTL_GEM_OPEN ioctl. + * @name: Name of object being opened. + * @handle: Returned handle for the object. + * @size: Returned size of the object + * + * Open an object using the global name, returning a handle and the size. + * + * This handle (of course) holds a reference to the object, so the object + * will not go away until the handle is deleted. + */ 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; }; /** + * struct drm_gem_change_handle - Argument for &DRM_IOCTL_GEM_CHANGE_HANDLE ioctl. + * @handle: The handle of a gem object. + * @new_handle: An available gem handle. + * + * This ioctl changes the handle of a GEM object to the specified one. + * The new handle must be unused. On success the old handle is closed + * and all further IOCTL should refer to the new handle only. + * Calls to DRM_IOCTL_PRIME_FD_TO_HANDLE will return the new handle. + */ +struct drm_gem_change_handle { + __u32 handle; + __u32 new_handle; +}; + +/** * DRM_CAP_DUMB_BUFFER * * If set to 1, the driver supports creating dumb buffers via the @@ -1309,6 +1340,14 @@ extern "C" { */ #define DRM_IOCTL_SET_CLIENT_NAME DRM_IOWR(0xD1, struct drm_set_client_name) +/** + * DRM_IOCTL_GEM_CHANGE_HANDLE - Move an object to a different handle + * + * Some applications (notably CRIU) need objects to have specific gem handles. + * This ioctl changes the object at one gem handle to use a new gem handle. + */ +#define DRM_IOCTL_GEM_CHANGE_HANDLE DRM_IOWR(0xD2, struct drm_gem_change_handle) + /* * Device specific ioctls should only be in their respective headers * The device specific ioctl range is from 0x40 to 0x9f. diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index c082810c08a8..a122bea25593 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -962,6 +962,14 @@ struct hdr_output_metadata { * Request that the kernel sends back a vblank event (see * struct drm_event_vblank) with the &DRM_EVENT_FLIP_COMPLETE type when the * page-flip is done. + * + * When used with atomic uAPI, one event will be delivered per CRTC included in + * the atomic commit. A CRTC is included in an atomic commit if one of its + * properties is set, or if a property is set on a connector or plane linked + * via the CRTC_ID property to the CRTC. At least one CRTC must be included, + * and all pulled in CRTCs must be either previously or newly powered on (in + * other words, a powered off CRTC which stays off cannot be included in the + * atomic commit). */ #define DRM_MODE_PAGE_FLIP_EVENT 0x01 /** diff --git a/include/uapi/drm/panthor_drm.h b/include/uapi/drm/panthor_drm.h index e1f43deb7eca..467d365ed7ba 100644 --- a/include/uapi/drm/panthor_drm.h +++ b/include/uapi/drm/panthor_drm.h @@ -327,6 +327,9 @@ struct drm_panthor_gpu_info { /** @pad: MBZ. */ __u32 pad; + + /** @gpu_features: Bitmask describing supported GPU-wide features */ + __u64 gpu_features; }; /** diff --git a/include/uapi/drm/rocket_accel.h b/include/uapi/drm/rocket_accel.h new file mode 100644 index 000000000000..14b2e12b7c49 --- /dev/null +++ b/include/uapi/drm/rocket_accel.h @@ -0,0 +1,142 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2024 Tomeu Vizoso + */ +#ifndef __DRM_UAPI_ROCKET_ACCEL_H__ +#define __DRM_UAPI_ROCKET_ACCEL_H__ + +#include "drm.h" + +#if defined(__cplusplus) +extern "C" { +#endif + +#define DRM_ROCKET_CREATE_BO 0x00 +#define DRM_ROCKET_SUBMIT 0x01 +#define DRM_ROCKET_PREP_BO 0x02 +#define DRM_ROCKET_FINI_BO 0x03 + +#define DRM_IOCTL_ROCKET_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_ROCKET_CREATE_BO, struct drm_rocket_create_bo) +#define DRM_IOCTL_ROCKET_SUBMIT DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_SUBMIT, struct drm_rocket_submit) +#define DRM_IOCTL_ROCKET_PREP_BO DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_PREP_BO, struct drm_rocket_prep_bo) +#define DRM_IOCTL_ROCKET_FINI_BO DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_FINI_BO, struct drm_rocket_fini_bo) + +/** + * struct drm_rocket_create_bo - ioctl argument for creating Rocket BOs. + * + */ +struct drm_rocket_create_bo { + /** Input: Size of the requested BO. */ + __u32 size; + + /** Output: GEM handle for the BO. */ + __u32 handle; + + /** + * Output: DMA address for the BO in the NPU address space. This address + * is private to the DRM fd and is valid for the lifetime of the GEM + * handle. + */ + __u64 dma_address; + + /** Output: Offset into the drm node to use for subsequent mmap call. */ + __u64 offset; +}; + +/** + * struct drm_rocket_prep_bo - ioctl argument for starting CPU ownership of the BO. + * + * Takes care of waiting for any NPU jobs that might still use the NPU and performs cache + * synchronization. + */ +struct drm_rocket_prep_bo { + /** Input: GEM handle of the buffer object. */ + __u32 handle; + + /** Reserved, must be zero. */ + __u32 reserved; + + /** Input: Amount of time to wait for NPU jobs. */ + __s64 timeout_ns; +}; + +/** + * struct drm_rocket_fini_bo - ioctl argument for finishing CPU ownership of the BO. + * + * Synchronize caches for NPU access. + */ +struct drm_rocket_fini_bo { + /** Input: GEM handle of the buffer object. */ + __u32 handle; + + /** Reserved, must be zero. */ + __u32 reserved; +}; + +/** + * struct drm_rocket_task - A task to be run on the NPU + * + * A task is the smallest unit of work that can be run on the NPU. + */ +struct drm_rocket_task { + /** Input: DMA address to NPU mapping of register command buffer */ + __u32 regcmd; + + /** Input: Number of commands in the register command buffer */ + __u32 regcmd_count; +}; + +/** + * struct drm_rocket_job - A job to be run on the NPU + * + * The kernel will schedule the execution of this job taking into account its + * dependencies with other jobs. All tasks in the same job will be executed + * sequentially on the same core, to benefit from memory residency in SRAM. + */ +struct drm_rocket_job { + /** Input: Pointer to an array of struct drm_rocket_task. */ + __u64 tasks; + + /** Input: Pointer to a u32 array of the BOs that are read by the job. */ + __u64 in_bo_handles; + + /** Input: Pointer to a u32 array of the BOs that are written to by the job. */ + __u64 out_bo_handles; + + /** Input: Number of tasks passed in. */ + __u32 task_count; + + /** Input: Size in bytes of the structs in the @tasks field. */ + __u32 task_struct_size; + + /** Input: Number of input BO handles passed in (size is that times 4). */ + __u32 in_bo_handle_count; + + /** Input: Number of output BO handles passed in (size is that times 4). */ + __u32 out_bo_handle_count; +}; + +/** + * struct drm_rocket_submit - ioctl argument for submitting commands to the NPU. + * + * The kernel will schedule the execution of these jobs in dependency order. + */ +struct drm_rocket_submit { + /** Input: Pointer to an array of struct drm_rocket_job. */ + __u64 jobs; + + /** Input: Number of jobs passed in. */ + __u32 job_count; + + /** Input: Size in bytes of the structs in the @jobs field. */ + __u32 job_struct_size; + + /** Reserved, must be zero. */ + __u64 reserved; +}; + +#if defined(__cplusplus) +} +#endif + +#endif /* __DRM_UAPI_ROCKET_ACCEL_H__ */ diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h index dbbc404d2b3d..d9b01f4c3a04 100644 --- a/include/uapi/drm/v3d_drm.h +++ b/include/uapi/drm/v3d_drm.h @@ -294,6 +294,8 @@ enum drm_v3d_param { DRM_V3D_PARAM_SUPPORTS_CPU_QUEUE, DRM_V3D_PARAM_MAX_PERF_COUNTERS, DRM_V3D_PARAM_SUPPORTS_SUPER_PAGES, + DRM_V3D_PARAM_GLOBAL_RESET_COUNTER, + DRM_V3D_PARAM_CONTEXT_RESET_COUNTER, }; struct drm_v3d_get_param { |
