EISW-206538 ze_command_queue_npu_ext: add queue-level external semaphore signal/wait (v1.2)#54
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…ore signal/wait (v1.2) Adds zeCommandQueueSignalExternalSemaphoreExt and zeCommandQueueWaitExternalSemaphoreExt to ze_command_queue_npu_ext.h as NPU-private extension v1.2. These track the proposed core spec functions from GSD-12455 ([L0 Spec] Add support for inserting semaphores to L0 queues) which are still in Future status. When the spec finalizes and lands in core ze_api.h, these extension entries are expected to be deprecated in favour of the core variants — same pattern as the runtime-requirements interim extension that was superseded by the v1.16 core spec. Changes: - Bump ZE_COMMAND_QUEUE_NPU_EXT_VERSION_CURRENT to 1.2 - Add ze_pfnCommandQueueSignalExternalSemaphoreExt_t and ze_pfnCommandQueueWaitExternalSemaphoreExt_t typedefs - Append pfnSignalExternalSemaphoreExt and pfnWaitExternalSemaphoreExt to ze_command_queue_npu_dditable_ext_t (ABI-compatible: new slots at the end) - Document hSignalEvent / phWaitEvents as reserved (driver-side implementation rejects non-default values until the spec defines how events coordinate with queue-level fence ops) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Adds
zeCommandQueueSignalExternalSemaphoreExtandzeCommandQueueWaitExternalSemaphoreExttoze_command_queue_npu_ext.has NPU-private extension v1.2. These track the proposed core spec functions from GSD-12455 (still inFuturestatus). Once that lands in coreze_api.h, these extension entries should be deprecated in favour of the core variants — same pattern as the runtime-requirements interim extension that was superseded by the v1.16 core spec.Changes
ZE_COMMAND_QUEUE_NPU_EXT_VERSION_CURRENTto1.2(addedZE_COMMAND_QUEUE_NPU_EXT_VERSION_1_2)ze_pfnCommandQueueSignalExternalSemaphoreExt_tandze_pfnCommandQueueWaitExternalSemaphoreExt_ttypedefspfnSignalExternalSemaphoreExtandpfnWaitExternalSemaphoreExttoze_command_queue_npu_dditable_ext_t(ABI-compatible: new slots at the end)hSignalEvent/phWaitEventsas reserved (driver-side rejects non-default values until the spec defines how events coordinate with queue-level fence ops)Companion driver PR
intel-innersource/drivers.vpu.windows.mcdm — branch
lopezleo/master/EISW-206538consumes these typedefs and dditable slots, and registers the driver-side implementations underZE_COMMAND_QUEUE_NPU_EXT_VERSION_1_2.Test plan
verify_external_semaphore_queue_signal_wait,verify_external_semaphore_queue_events_reserved) on the companion driver branch