/** * DOC: I915_PARAM_VM_BIND_VERSION * * VM_BIND feature version supported. * See typedef drm_i915_getparam_t param. * * Specifies the VM_BIND feature version supported. * The following versions of VM_BIND have been defined: * * 0: No VM_BIND support. * * 1: In VM_UNBIND calls, the UMD must specify the exact mappings created * previously with VM_BIND, the ioctl will not support unbinding multiple * mappings or splitting them. Similarly, VM_BIND calls will not replace * any existing mappings. * * 2: The restrictions on unbinding partial or multiple mappings is * lifted, Similarly, binding will replace any mappings in the given range. * * See struct drm_i915_gem_vm_bind and struct drm_i915_gem_vm_unbind.
*/ #define I915_PARAM_VM_BIND_VERSION 57
/** * DOC: I915_VM_CREATE_FLAGS_USE_VM_BIND * * Flag to opt-in for VM_BIND mode of binding during VM creation. * See struct drm_i915_gem_vm_control flags. * * The older execbuf2 ioctl will not support VM_BIND mode of operation. * For VM_BIND mode, we have new execbuf3 ioctl which will not accept any * execlist (See struct drm_i915_gem_execbuffer3 for more details).
*/ #define I915_VM_CREATE_FLAGS_USE_VM_BIND (1 << 0)
/** * struct drm_i915_gem_timeline_fence - An input or output timeline fence. * * The operation will wait for input fence to signal. * * The returned output fence will be signaled after the completion of the * operation.
*/ struct drm_i915_gem_timeline_fence { /** @handle: User's handle for a drm_syncobj to wait on or signal. */
__u32 handle;
/** * @flags: Supported flags are: * * I915_TIMELINE_FENCE_WAIT: * Wait for the input fence before the operation. * * I915_TIMELINE_FENCE_SIGNAL: * Return operation completion fence as output.
*/
__u32 flags; #define I915_TIMELINE_FENCE_WAIT (1 << 0) #define I915_TIMELINE_FENCE_SIGNAL (1 << 1) #define __I915_TIMELINE_FENCE_UNKNOWN_FLAGS (-(I915_TIMELINE_FENCE_SIGNAL << 1))
/** * @value: A point in the timeline. * Value must be 0 for a binary drm_syncobj. A Value of 0 for a * timeline drm_syncobj is invalid as it turns a drm_syncobj into a * binary one.
*/
__u64 value;
};
/** * struct drm_i915_gem_vm_bind - VA to object mapping to bind. * * This structure is passed to VM_BIND ioctl and specifies the mapping of GPU * virtual address (VA) range to the section of an object that should be bound * in the device page table of the specified address space (VM). * The VA range specified must be unique (ie., not currently bound) and can * be mapped to whole object or a section of the object (partial binding). * Multiple VA mappings can be created to the same section of the object * (aliasing). * * The @start, @offset and @length must be 4K page aligned. However the DG2 has * 64K page size for device local memory and has compact page table. On that * platform, for binding device local-memory objects, the @start, @offset and * @length must be 64K aligned. Also, UMDs should not mix the local memory 64K * page and the system memory 4K page bindings in the same 2M range. * * Error code -EINVAL will be returned if @start, @offset and @length are not * properly aligned. In version 1 (See I915_PARAM_VM_BIND_VERSION), error code * -ENOSPC will be returned if the VA range specified can't be reserved. * * VM_BIND/UNBIND ioctl calls executed on different CPU threads concurrently * are not ordered. Furthermore, parts of the VM_BIND operation can be done * asynchronously, if valid @fence is specified.
*/ struct drm_i915_gem_vm_bind { /** @vm_id: VM (address space) id to bind */
__u32 vm_id;
/** @handle: Object handle */
__u32 handle;
/** @start: Virtual Address start to bind */
__u64 start;
/** @offset: Offset in object to bind */
__u64 offset;
/** @length: Length of mapping to bind */
__u64 length;
/** * @flags: Supported flags are: * * I915_GEM_VM_BIND_CAPTURE: * Capture this mapping in the dump upon GPU error. * * Note that @fence carries its own flags.
*/
__u64 flags; #define I915_GEM_VM_BIND_CAPTURE (1 << 0)
/** * @fence: Timeline fence for bind completion signaling. * * Timeline fence is of format struct drm_i915_gem_timeline_fence. * * It is an out fence, hence using I915_TIMELINE_FENCE_WAIT flag * is invalid, and an error will be returned. * * If I915_TIMELINE_FENCE_SIGNAL flag is not set, then out fence * is not requested and binding is completed synchronously.
*/ struct drm_i915_gem_timeline_fence fence;
/** * @extensions: Zero-terminated chain of extensions. * * For future extensions. See struct i915_user_extension.
*/
__u64 extensions;
};
/** * struct drm_i915_gem_vm_unbind - VA to object mapping to unbind. * * This structure is passed to VM_UNBIND ioctl and specifies the GPU virtual * address (VA) range that should be unbound from the device page table of the * specified address space (VM). VM_UNBIND will force unbind the specified * range from device page table without waiting for any GPU job to complete. * It is UMDs responsibility to ensure the mapping is no longer in use before * calling VM_UNBIND. * * If the specified mapping is not found, the ioctl will simply return without * any error. * * VM_BIND/UNBIND ioctl calls executed on different CPU threads concurrently * are not ordered. Furthermore, parts of the VM_UNBIND operation can be done * asynchronously, if valid @fence is specified.
*/ struct drm_i915_gem_vm_unbind { /** @vm_id: VM (address space) id to bind */
__u32 vm_id;
/** @rsvd: Reserved, MBZ */
__u32 rsvd;
/** @start: Virtual Address start to unbind */
__u64 start;
/** @length: Length of mapping to unbind */
__u64 length;
/** * @flags: Currently reserved, MBZ. * * Note that @fence carries its own flags.
*/
__u64 flags;
/** * @fence: Timeline fence for unbind completion signaling. * * Timeline fence is of format struct drm_i915_gem_timeline_fence. * * It is an out fence, hence using I915_TIMELINE_FENCE_WAIT flag * is invalid, and an error will be returned. * * If I915_TIMELINE_FENCE_SIGNAL flag is not set, then out fence * is not requested and unbinding is completed synchronously.
*/ struct drm_i915_gem_timeline_fence fence;
/** * @extensions: Zero-terminated chain of extensions. * * For future extensions. See struct i915_user_extension.
*/
__u64 extensions;
};
/** * struct drm_i915_gem_execbuffer3 - Structure for DRM_I915_GEM_EXECBUFFER3 * ioctl. * * DRM_I915_GEM_EXECBUFFER3 ioctl only works in VM_BIND mode and VM_BIND mode * only works with this ioctl for submission. * See I915_VM_CREATE_FLAGS_USE_VM_BIND.
*/ struct drm_i915_gem_execbuffer3 { /** * @ctx_id: Context id * * Only contexts with user engine map are allowed.
*/
__u32 ctx_id;
/** * @engine_idx: Engine index * * An index in the user engine map of the context specified by @ctx_id.
*/
__u32 engine_idx;
/** * @batch_address: Batch gpu virtual address/es. * * For normal submission, it is the gpu virtual address of the batch * buffer. For parallel submission, it is a pointer to an array of * batch buffer gpu virtual addresses with array size equal to the * number of (parallel) engines involved in that submission (See * struct i915_context_engines_parallel_submit).
*/
__u64 batch_address;
/** @flags: Currently reserved, MBZ */
__u64 flags;
/** @rsvd1: Reserved, MBZ */
__u32 rsvd1;
/** @fence_count: Number of fences in @timeline_fences array. */
__u32 fence_count;
/** * @timeline_fences: Pointer to an array of timeline fences. * * Timeline fences are of format struct drm_i915_gem_timeline_fence.
*/
__u64 timeline_fences;
/** @rsvd2: Reserved, MBZ */
__u64 rsvd2;
/** * @extensions: Zero-terminated chain of extensions. * * For future extensions. See struct i915_user_extension.
*/
__u64 extensions;
};
/** * struct drm_i915_gem_create_ext_vm_private - Extension to make the object * private to the specified VM. * * See struct drm_i915_gem_create_ext.
*/ struct drm_i915_gem_create_ext_vm_private { #define I915_GEM_CREATE_EXT_VM_PRIVATE 2 /** @base: Extension link. See struct i915_user_extension. */ struct i915_user_extension base;
/** @vm_id: Id of the VM to which the object is private */
__u32 vm_id;
};
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