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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note * * Copyright 2016-2023 HabanaLabs, Ltd. * All Rights Reserved. * */ #ifndef HABANALABS_H_ #define HABANALABS_H_ #include <drm/drm.h> /* * Defines that are asic-specific but constitutes as ABI between kernel driver * and userspace */ #define GOYA_KMD_SRAM_RESERVED_SIZE_FROM_START 0x8000 /* 32KB */ #define GAUDI_DRIVER_SRAM_RESERVED_SIZE_FROM_START 0x80 /* 128 bytes */ /* * 128 SOBs reserved for collective wait * 16 SOBs reserved for sync stream */ #define GAUDI_FIRST_AVAILABLE_W_S_SYNC_OBJECT 144 /* * 64 monitors reserved for collective wait * 8 monitors reserved for sync stream */ #define GAUDI_FIRST_AVAILABLE_W_S_MONITOR 72 /* Max number of elements in timestamps registration buffers */ #define TS_MAX_ELEMENTS_NUM (1 << 20) /* 1MB */ /* * Goya queue Numbering * * The external queues (PCI DMA channels) MUST be before the internal queues * and each group (PCI DMA channels and internal) must be contiguous inside * itself but there can be a gap between the two groups (although not * recommended) */ enum goya_queue_id { GOYA_QUEUE_ID_DMA_0 = 0, GOYA_QUEUE_ID_DMA_1 = 1, GOYA_QUEUE_ID_DMA_2 = 2, GOYA_QUEUE_ID_DMA_3 = 3, GOYA_QUEUE_ID_DMA_4 = 4, GOYA_QUEUE_ID_CPU_PQ = 5, GOYA_QUEUE_ID_MME = 6, /* Internal queues start here */ GOYA_QUEUE_ID_TPC0 = 7, GOYA_QUEUE_ID_TPC1 = 8, GOYA_QUEUE_ID_TPC2 = 9, GOYA_QUEUE_ID_TPC3 = 10, GOYA_QUEUE_ID_TPC4 = 11, GOYA_QUEUE_ID_TPC5 = 12, GOYA_QUEUE_ID_TPC6 = 13, GOYA_QUEUE_ID_TPC7 = 14, GOYA_QUEUE_ID_SIZE }; /* * Gaudi queue Numbering * External queues (PCI DMA channels) are DMA_0_*, DMA_1_* and DMA_5_*. * Except one CPU queue, all the rest are internal queues. */ enum gaudi_queue_id { GAUDI_QUEUE_ID_DMA_0_0 = 0, /* external */ GAUDI_QUEUE_ID_DMA_0_1 = 1, /* external */ GAUDI_QUEUE_ID_DMA_0_2 = 2, /* external */ GAUDI_QUEUE_ID_DMA_0_3 = 3, /* external */ GAUDI_QUEUE_ID_DMA_1_0 = 4, /* external */ GAUDI_QUEUE_ID_DMA_1_1 = 5, /* external */ GAUDI_QUEUE_ID_DMA_1_2 = 6, /* external */ GAUDI_QUEUE_ID_DMA_1_3 = 7, /* external */ GAUDI_QUEUE_ID_CPU_PQ = 8, /* CPU */ GAUDI_QUEUE_ID_DMA_2_0 = 9, /* internal */ GAUDI_QUEUE_ID_DMA_2_1 = 10, /* internal */ GAUDI_QUEUE_ID_DMA_2_2 = 11, /* internal */ GAUDI_QUEUE_ID_DMA_2_3 = 12, /* internal */ GAUDI_QUEUE_ID_DMA_3_0 = 13, /* internal */ GAUDI_QUEUE_ID_DMA_3_1 = 14, /* internal */ GAUDI_QUEUE_ID_DMA_3_2 = 15, /* internal */ GAUDI_QUEUE_ID_DMA_3_3 = 16, /* internal */ GAUDI_QUEUE_ID_DMA_4_0 = 17, /* internal */ GAUDI_QUEUE_ID_DMA_4_1 = 18, /* internal */ GAUDI_QUEUE_ID_DMA_4_2 = 19, /* internal */ GAUDI_QUEUE_ID_DMA_4_3 = 20, /* internal */ GAUDI_QUEUE_ID_DMA_5_0 = 21, /* internal */ GAUDI_QUEUE_ID_DMA_5_1 = 22, /* internal */ GAUDI_QUEUE_ID_DMA_5_2 = 23, /* internal */ GAUDI_QUEUE_ID_DMA_5_3 = 24, /* internal */ GAUDI_QUEUE_ID_DMA_6_0 = 25, /* internal */ GAUDI_QUEUE_ID_DMA_6_1 = 26, /* internal */ GAUDI_QUEUE_ID_DMA_6_2 = 27, /* internal */ GAUDI_QUEUE_ID_DMA_6_3 = 28, /* internal */ GAUDI_QUEUE_ID_DMA_7_0 = 29, /* internal */ GAUDI_QUEUE_ID_DMA_7_1 = 30, /* internal */ GAUDI_QUEUE_ID_DMA_7_2 = 31, /* internal */ GAUDI_QUEUE_ID_DMA_7_3 = 32, /* internal */ GAUDI_QUEUE_ID_MME_0_0 = 33, /* internal */ GAUDI_QUEUE_ID_MME_0_1 = 34, /* internal */ GAUDI_QUEUE_ID_MME_0_2 = 35, /* internal */ GAUDI_QUEUE_ID_MME_0_3 = 36, /* internal */ GAUDI_QUEUE_ID_MME_1_0 = 37, /* internal */ GAUDI_QUEUE_ID_MME_1_1 = 38, /* internal */ GAUDI_QUEUE_ID_MME_1_2 = 39, /* internal */ GAUDI_QUEUE_ID_MME_1_3 = 40, /* internal */ GAUDI_QUEUE_ID_TPC_0_0 = 41, /* internal */ GAUDI_QUEUE_ID_TPC_0_1 = 42, /* internal */ GAUDI_QUEUE_ID_TPC_0_2 = 43, /* internal */ GAUDI_QUEUE_ID_TPC_0_3 = 44, /* internal */ GAUDI_QUEUE_ID_TPC_1_0 = 45, /* internal */ GAUDI_QUEUE_ID_TPC_1_1 = 46, /* internal */ GAUDI_QUEUE_ID_TPC_1_2 = 47, /* internal */ GAUDI_QUEUE_ID_TPC_1_3 = 48, /* internal */ GAUDI_QUEUE_ID_TPC_2_0 = 49, /* internal */ GAUDI_QUEUE_ID_TPC_2_1 = 50, /* internal */ GAUDI_QUEUE_ID_TPC_2_2 = 51, /* internal */ GAUDI_QUEUE_ID_TPC_2_3 = 52, /* internal */ GAUDI_QUEUE_ID_TPC_3_0 = 53, /* internal */ GAUDI_QUEUE_ID_TPC_3_1 = 54, /* internal */ GAUDI_QUEUE_ID_TPC_3_2 = 55, /* internal */ GAUDI_QUEUE_ID_TPC_3_3 = 56, /* internal */ GAUDI_QUEUE_ID_TPC_4_0 = 57, /* internal */ GAUDI_QUEUE_ID_TPC_4_1 = 58, /* internal */ GAUDI_QUEUE_ID_TPC_4_2 = 59, /* internal */ GAUDI_QUEUE_ID_TPC_4_3 = 60, /* internal */ GAUDI_QUEUE_ID_TPC_5_0 = 61, /* internal */ GAUDI_QUEUE_ID_TPC_5_1 = 62, /* internal */ GAUDI_QUEUE_ID_TPC_5_2 = 63, /* internal */ GAUDI_QUEUE_ID_TPC_5_3 = 64, /* internal */ GAUDI_QUEUE_ID_TPC_6_0 = 65, /* internal */ GAUDI_QUEUE_ID_TPC_6_1 = 66, /* internal */ GAUDI_QUEUE_ID_TPC_6_2 = 67, /* internal */ GAUDI_QUEUE_ID_TPC_6_3 = 68, /* internal */ GAUDI_QUEUE_ID_TPC_7_0 = 69, /* internal */ GAUDI_QUEUE_ID_TPC_7_1 = 70, /* internal */ GAUDI_QUEUE_ID_TPC_7_2 = 71, /* internal */ GAUDI_QUEUE_ID_TPC_7_3 = 72, /* internal */ GAUDI_QUEUE_ID_NIC_0_0 = 73, /* internal */ GAUDI_QUEUE_ID_NIC_0_1 = 74, /* internal */ GAUDI_QUEUE_ID_NIC_0_2 = 75, /* internal */ GAUDI_QUEUE_ID_NIC_0_3 = 76, /* internal */ GAUDI_QUEUE_ID_NIC_1_0 = 77, /* internal */ GAUDI_QUEUE_ID_NIC_1_1 = 78, /* internal */ GAUDI_QUEUE_ID_NIC_1_2 = 79, /* internal */ GAUDI_QUEUE_ID_NIC_1_3 = 80, /* internal */ GAUDI_QUEUE_ID_NIC_2_0 = 81, /* internal */ GAUDI_QUEUE_ID_NIC_2_1 = 82, /* internal */ GAUDI_QUEUE_ID_NIC_2_2 = 83, /* internal */ GAUDI_QUEUE_ID_NIC_2_3 = 84, /* internal */ GAUDI_QUEUE_ID_NIC_3_0 = 85, /* internal */ GAUDI_QUEUE_ID_NIC_3_1 = 86, /* internal */ GAUDI_QUEUE_ID_NIC_3_2 = 87, /* internal */ GAUDI_QUEUE_ID_NIC_3_3 = 88, /* internal */ GAUDI_QUEUE_ID_NIC_4_0 = 89, /* internal */ GAUDI_QUEUE_ID_NIC_4_1 = 90, /* internal */ GAUDI_QUEUE_ID_NIC_4_2 = 91, /* internal */ GAUDI_QUEUE_ID_NIC_4_3 = 92, /* internal */ GAUDI_QUEUE_ID_NIC_5_0 = 93, /* internal */ GAUDI_QUEUE_ID_NIC_5_1 = 94, /* internal */ GAUDI_QUEUE_ID_NIC_5_2 = 95, /* internal */ GAUDI_QUEUE_ID_NIC_5_3 = 96, /* internal */ GAUDI_QUEUE_ID_NIC_6_0 = 97, /* internal */ GAUDI_QUEUE_ID_NIC_6_1 = 98, /* internal */ GAUDI_QUEUE_ID_NIC_6_2 = 99, /* internal */ GAUDI_QUEUE_ID_NIC_6_3 = 100, /* internal */ GAUDI_QUEUE_ID_NIC_7_0 = 101, /* internal */ GAUDI_QUEUE_ID_NIC_7_1 = 102, /* internal */ GAUDI_QUEUE_ID_NIC_7_2 = 103, /* internal */ GAUDI_QUEUE_ID_NIC_7_3 = 104, /* internal */ GAUDI_QUEUE_ID_NIC_8_0 = 105, /* internal */ GAUDI_QUEUE_ID_NIC_8_1 = 106, /* internal */ GAUDI_QUEUE_ID_NIC_8_2 = 107, /* internal */ GAUDI_QUEUE_ID_NIC_8_3 = 108, /* internal */ GAUDI_QUEUE_ID_NIC_9_0 = 109, /* internal */ GAUDI_QUEUE_ID_NIC_9_1 = 110, /* internal */ GAUDI_QUEUE_ID_NIC_9_2 = 111, /* internal */ GAUDI_QUEUE_ID_NIC_9_3 = 112, /* internal */ GAUDI_QUEUE_ID_SIZE }; /* * In GAUDI2 we have two modes of operation in regard to queues: * 1. Legacy mode, where each QMAN exposes 4 streams to the user * 2. F/W mode, where we use F/W to schedule the JOBS to the different queues. * * When in legacy mode, the user sends the queue id per JOB according to * enum gaudi2_queue_id below. * * When in F/W mode, the user sends a stream id per Command Submission. The * stream id is a running number from 0 up to (N-1), where N is the number * of streams the F/W exposes and is passed to the user in * struct hl_info_hw_ip_info */ enum gaudi2_queue_id { GAUDI2_QUEUE_ID_PDMA_0_0 = 0, GAUDI2_QUEUE_ID_PDMA_0_1 = 1, GAUDI2_QUEUE_ID_PDMA_0_2 = 2, GAUDI2_QUEUE_ID_PDMA_0_3 = 3, GAUDI2_QUEUE_ID_PDMA_1_0 = 4, GAUDI2_QUEUE_ID_PDMA_1_1 = 5, GAUDI2_QUEUE_ID_PDMA_1_2 = 6, GAUDI2_QUEUE_ID_PDMA_1_3 = 7, GAUDI2_QUEUE_ID_DCORE0_EDMA_0_0 = 8, GAUDI2_QUEUE_ID_DCORE0_EDMA_0_1 = 9, GAUDI2_QUEUE_ID_DCORE0_EDMA_0_2 = 10, GAUDI2_QUEUE_ID_DCORE0_EDMA_0_3 = 11, GAUDI2_QUEUE_ID_DCORE0_EDMA_1_0 = 12, GAUDI2_QUEUE_ID_DCORE0_EDMA_1_1 = 13, GAUDI2_QUEUE_ID_DCORE0_EDMA_1_2 = 14, GAUDI2_QUEUE_ID_DCORE0_EDMA_1_3 = 15, GAUDI2_QUEUE_ID_DCORE0_MME_0_0 = 16, GAUDI2_QUEUE_ID_DCORE0_MME_0_1 = 17, GAUDI2_QUEUE_ID_DCORE0_MME_0_2 = 18, GAUDI2_QUEUE_ID_DCORE0_MME_0_3 = 19, GAUDI2_QUEUE_ID_DCORE0_TPC_0_0 = 20, GAUDI2_QUEUE_ID_DCORE0_TPC_0_1 = 21, GAUDI2_QUEUE_ID_DCORE0_TPC_0_2 = 22, GAUDI2_QUEUE_ID_DCORE0_TPC_0_3 = 23, GAUDI2_QUEUE_ID_DCORE0_TPC_1_0 = 24, GAUDI2_QUEUE_ID_DCORE0_TPC_1_1 = 25, GAUDI2_QUEUE_ID_DCORE0_TPC_1_2 = 26, GAUDI2_QUEUE_ID_DCORE0_TPC_1_3 = 27, GAUDI2_QUEUE_ID_DCORE0_TPC_2_0 = 28, GAUDI2_QUEUE_ID_DCORE0_TPC_2_1 = 29, GAUDI2_QUEUE_ID_DCORE0_TPC_2_2 = 30, GAUDI2_QUEUE_ID_DCORE0_TPC_2_3 = 31, GAUDI2_QUEUE_ID_DCORE0_TPC_3_0 = 32, GAUDI2_QUEUE_ID_DCORE0_TPC_3_1 = 33, GAUDI2_QUEUE_ID_DCORE0_TPC_3_2 = 34, GAUDI2_QUEUE_ID_DCORE0_TPC_3_3 = 35, GAUDI2_QUEUE_ID_DCORE0_TPC_4_0 = 36, GAUDI2_QUEUE_ID_DCORE0_TPC_4_1 = 37, GAUDI2_QUEUE_ID_DCORE0_TPC_4_2 = 38, GAUDI2_QUEUE_ID_DCORE0_TPC_4_3 = 39, GAUDI2_QUEUE_ID_DCORE0_TPC_5_0 = 40, GAUDI2_QUEUE_ID_DCORE0_TPC_5_1 = 41, GAUDI2_QUEUE_ID_DCORE0_TPC_5_2 = 42, GAUDI2_QUEUE_ID_DCORE0_TPC_5_3 = 43, GAUDI2_QUEUE_ID_DCORE0_TPC_6_0 = 44, GAUDI2_QUEUE_ID_DCORE0_TPC_6_1 = 45, GAUDI2_QUEUE_ID_DCORE0_TPC_6_2 = 46, GAUDI2_QUEUE_ID_DCORE0_TPC_6_3 = 47, GAUDI2_QUEUE_ID_DCORE1_EDMA_0_0 = 48, GAUDI2_QUEUE_ID_DCORE1_EDMA_0_1 = 49, GAUDI2_QUEUE_ID_DCORE1_EDMA_0_2 = 50, GAUDI2_QUEUE_ID_DCORE1_EDMA_0_3 = 51, GAUDI2_QUEUE_ID_DCORE1_EDMA_1_0 = 52, GAUDI2_QUEUE_ID_DCORE1_EDMA_1_1 = 53, GAUDI2_QUEUE_ID_DCORE1_EDMA_1_2 = 54, GAUDI2_QUEUE_ID_DCORE1_EDMA_1_3 = 55, GAUDI2_QUEUE_ID_DCORE1_MME_0_0 = 56, GAUDI2_QUEUE_ID_DCORE1_MME_0_1 = 57, GAUDI2_QUEUE_ID_DCORE1_MME_0_2 = 58, GAUDI2_QUEUE_ID_DCORE1_MME_0_3 = 59, GAUDI2_QUEUE_ID_DCORE1_TPC_0_0 = 60, GAUDI2_QUEUE_ID_DCORE1_TPC_0_1 = 61, GAUDI2_QUEUE_ID_DCORE1_TPC_0_2 = 62, GAUDI2_QUEUE_ID_DCORE1_TPC_0_3 = 63, GAUDI2_QUEUE_ID_DCORE1_TPC_1_0 = 64, GAUDI2_QUEUE_ID_DCORE1_TPC_1_1 = 65, GAUDI2_QUEUE_ID_DCORE1_TPC_1_2 = 66, GAUDI2_QUEUE_ID_DCORE1_TPC_1_3 = 67, GAUDI2_QUEUE_ID_DCORE1_TPC_2_0 = 68, GAUDI2_QUEUE_ID_DCORE1_TPC_2_1 = 69, GAUDI2_QUEUE_ID_DCORE1_TPC_2_2 = 70, GAUDI2_QUEUE_ID_DCORE1_TPC_2_3 = 71, GAUDI2_QUEUE_ID_DCORE1_TPC_3_0 = 72, GAUDI2_QUEUE_ID_DCORE1_TPC_3_1 = 73, GAUDI2_QUEUE_ID_DCORE1_TPC_3_2 = 74, GAUDI2_QUEUE_ID_DCORE1_TPC_3_3 = 75, GAUDI2_QUEUE_ID_DCORE1_TPC_4_0 = 76, GAUDI2_QUEUE_ID_DCORE1_TPC_4_1 = 77, GAUDI2_QUEUE_ID_DCORE1_TPC_4_2 = 78, GAUDI2_QUEUE_ID_DCORE1_TPC_4_3 = 79, GAUDI2_QUEUE_ID_DCORE1_TPC_5_0 = 80, GAUDI2_QUEUE_ID_DCORE1_TPC_5_1 = 81, GAUDI2_QUEUE_ID_DCORE1_TPC_5_2 = 82, GAUDI2_QUEUE_ID_DCORE1_TPC_5_3 = 83, GAUDI2_QUEUE_ID_DCORE2_EDMA_0_0 = 84, GAUDI2_QUEUE_ID_DCORE2_EDMA_0_1 = 85, GAUDI2_QUEUE_ID_DCORE2_EDMA_0_2 = 86, GAUDI2_QUEUE_ID_DCORE2_EDMA_0_3 = 87, GAUDI2_QUEUE_ID_DCORE2_EDMA_1_0 = 88, GAUDI2_QUEUE_ID_DCORE2_EDMA_1_1 = 89, GAUDI2_QUEUE_ID_DCORE2_EDMA_1_2 = 90, GAUDI2_QUEUE_ID_DCORE2_EDMA_1_3 = 91, GAUDI2_QUEUE_ID_DCORE2_MME_0_0 = 92, GAUDI2_QUEUE_ID_DCORE2_MME_0_1 = 93, GAUDI2_QUEUE_ID_DCORE2_MME_0_2 = 94, GAUDI2_QUEUE_ID_DCORE2_MME_0_3 = 95, GAUDI2_QUEUE_ID_DCORE2_TPC_0_0 = 96, GAUDI2_QUEUE_ID_DCORE2_TPC_0_1 = 97, GAUDI2_QUEUE_ID_DCORE2_TPC_0_2 = 98, GAUDI2_QUEUE_ID_DCORE2_TPC_0_3 = 99, GAUDI2_QUEUE_ID_DCORE2_TPC_1_0 = 100, GAUDI2_QUEUE_ID_DCORE2_TPC_1_1 = 101, GAUDI2_QUEUE_ID_DCORE2_TPC_1_2 = 102, GAUDI2_QUEUE_ID_DCORE2_TPC_1_3 = 103, GAUDI2_QUEUE_ID_DCORE2_TPC_2_0 = 104, GAUDI2_QUEUE_ID_DCORE2_TPC_2_1 = 105, GAUDI2_QUEUE_ID_DCORE2_TPC_2_2 = 106, GAUDI2_QUEUE_ID_DCORE2_TPC_2_3 = 107, GAUDI2_QUEUE_ID_DCORE2_TPC_3_0 = 108, GAUDI2_QUEUE_ID_DCORE2_TPC_3_1 = 109, GAUDI2_QUEUE_ID_DCORE2_TPC_3_2 = 110, GAUDI2_QUEUE_ID_DCORE2_TPC_3_3 = 111, GAUDI2_QUEUE_ID_DCORE2_TPC_4_0 = 112, GAUDI2_QUEUE_ID_DCORE2_TPC_4_1 = 113, GAUDI2_QUEUE_ID_DCORE2_TPC_4_2 = 114, GAUDI2_QUEUE_ID_DCORE2_TPC_4_3 = 115, GAUDI2_QUEUE_ID_DCORE2_TPC_5_0 = 116, GAUDI2_QUEUE_ID_DCORE2_TPC_5_1 = 117, GAUDI2_QUEUE_ID_DCORE2_TPC_5_2 = 118, GAUDI2_QUEUE_ID_DCORE2_TPC_5_3 = 119, GAUDI2_QUEUE_ID_DCORE3_EDMA_0_0 = 120, GAUDI2_QUEUE_ID_DCORE3_EDMA_0_1 = 121, GAUDI2_QUEUE_ID_DCORE3_EDMA_0_2 = 122, GAUDI2_QUEUE_ID_DCORE3_EDMA_0_3 = 123, GAUDI2_QUEUE_ID_DCORE3_EDMA_1_0 = 124, GAUDI2_QUEUE_ID_DCORE3_EDMA_1_1 = 125, GAUDI2_QUEUE_ID_DCORE3_EDMA_1_2 = 126, GAUDI2_QUEUE_ID_DCORE3_EDMA_1_3 = 127, GAUDI2_QUEUE_ID_DCORE3_MME_0_0 = 128, GAUDI2_QUEUE_ID_DCORE3_MME_0_1 = 129, GAUDI2_QUEUE_ID_DCORE3_MME_0_2 = 130, GAUDI2_QUEUE_ID_DCORE3_MME_0_3 = 131, GAUDI2_QUEUE_ID_DCORE3_TPC_0_0 = 132, GAUDI2_QUEUE_ID_DCORE3_TPC_0_1 = 133, GAUDI2_QUEUE_ID_DCORE3_TPC_0_2 = 134, GAUDI2_QUEUE_ID_DCORE3_TPC_0_3 = 135, GAUDI2_QUEUE_ID_DCORE3_TPC_1_0 = 136, GAUDI2_QUEUE_ID_DCORE3_TPC_1_1 = 137, GAUDI2_QUEUE_ID_DCORE3_TPC_1_2 = 138, GAUDI2_QUEUE_ID_DCORE3_TPC_1_3 = 139, GAUDI2_QUEUE_ID_DCORE3_TPC_2_0 = 140, GAUDI2_QUEUE_ID_DCORE3_TPC_2_1 = 141, GAUDI2_QUEUE_ID_DCORE3_TPC_2_2 = 142, GAUDI2_QUEUE_ID_DCORE3_TPC_2_3 = 143, GAUDI2_QUEUE_ID_DCORE3_TPC_3_0 = 144, GAUDI2_QUEUE_ID_DCORE3_TPC_3_1 = 145, GAUDI2_QUEUE_ID_DCORE3_TPC_3_2 = 146, GAUDI2_QUEUE_ID_DCORE3_TPC_3_3 = 147, GAUDI2_QUEUE_ID_DCORE3_TPC_4_0 = 148, GAUDI2_QUEUE_ID_DCORE3_TPC_4_1 = 149, GAUDI2_QUEUE_ID_DCORE3_TPC_4_2 = 150, GAUDI2_QUEUE_ID_DCORE3_TPC_4_3 = 151, GAUDI2_QUEUE_ID_DCORE3_TPC_5_0 = 152, GAUDI2_QUEUE_ID_DCORE3_TPC_5_1 = 153, GAUDI2_QUEUE_ID_DCORE3_TPC_5_2 = 154, GAUDI2_QUEUE_ID_DCORE3_TPC_5_3 = 155, GAUDI2_QUEUE_ID_NIC_0_0 = 156, GAUDI2_QUEUE_ID_NIC_0_1 = 157, GAUDI2_QUEUE_ID_NIC_0_2 = 158, GAUDI2_QUEUE_ID_NIC_0_3 = 159, GAUDI2_QUEUE_ID_NIC_1_0 = 160, GAUDI2_QUEUE_ID_NIC_1_1 = 161, GAUDI2_QUEUE_ID_NIC_1_2 = 162, GAUDI2_QUEUE_ID_NIC_1_3 = 163, GAUDI2_QUEUE_ID_NIC_2_0 = 164, GAUDI2_QUEUE_ID_NIC_2_1 = 165, GAUDI2_QUEUE_ID_NIC_2_2 = 166, GAUDI2_QUEUE_ID_NIC_2_3 = 167, GAUDI2_QUEUE_ID_NIC_3_0 = 168, GAUDI2_QUEUE_ID_NIC_3_1 = 169, GAUDI2_QUEUE_ID_NIC_3_2 = 170, GAUDI2_QUEUE_ID_NIC_3_3 = 171, GAUDI2_QUEUE_ID_NIC_4_0 = 172, GAUDI2_QUEUE_ID_NIC_4_1 = 173, GAUDI2_QUEUE_ID_NIC_4_2 = 174, GAUDI2_QUEUE_ID_NIC_4_3 = 175, GAUDI2_QUEUE_ID_NIC_5_0 = 176, GAUDI2_QUEUE_ID_NIC_5_1 = 177, GAUDI2_QUEUE_ID_NIC_5_2 = 178, GAUDI2_QUEUE_ID_NIC_5_3 = 179, GAUDI2_QUEUE_ID_NIC_6_0 = 180, GAUDI2_QUEUE_ID_NIC_6_1 = 181, GAUDI2_QUEUE_ID_NIC_6_2 = 182, GAUDI2_QUEUE_ID_NIC_6_3 = 183, GAUDI2_QUEUE_ID_NIC_7_0 = 184, GAUDI2_QUEUE_ID_NIC_7_1 = 185, GAUDI2_QUEUE_ID_NIC_7_2 = 186, GAUDI2_QUEUE_ID_NIC_7_3 = 187, GAUDI2_QUEUE_ID_NIC_8_0 = 188, GAUDI2_QUEUE_ID_NIC_8_1 = 189, GAUDI2_QUEUE_ID_NIC_8_2 = 190, GAUDI2_QUEUE_ID_NIC_8_3 = 191, GAUDI2_QUEUE_ID_NIC_9_0 = 192, GAUDI2_QUEUE_ID_NIC_9_1 = 193, GAUDI2_QUEUE_ID_NIC_9_2 = 194, GAUDI2_QUEUE_ID_NIC_9_3 = 195, GAUDI2_QUEUE_ID_NIC_10_0 = 196, GAUDI2_QUEUE_ID_NIC_10_1 = 197, GAUDI2_QUEUE_ID_NIC_10_2 = 198, GAUDI2_QUEUE_ID_NIC_10_3 = 199, GAUDI2_QUEUE_ID_NIC_11_0 = 200, GAUDI2_QUEUE_ID_NIC_11_1 = 201, GAUDI2_QUEUE_ID_NIC_11_2 = 202, GAUDI2_QUEUE_ID_NIC_11_3 = 203, GAUDI2_QUEUE_ID_NIC_12_0 = 204, GAUDI2_QUEUE_ID_NIC_12_1 = 205, GAUDI2_QUEUE_ID_NIC_12_2 = 206, GAUDI2_QUEUE_ID_NIC_12_3 = 207, GAUDI2_QUEUE_ID_NIC_13_0 = 208, GAUDI2_QUEUE_ID_NIC_13_1 = 209, GAUDI2_QUEUE_ID_NIC_13_2 = 210, GAUDI2_QUEUE_ID_NIC_13_3 = 211, GAUDI2_QUEUE_ID_NIC_14_0 = 212, GAUDI2_QUEUE_ID_NIC_14_1 = 213, GAUDI2_QUEUE_ID_NIC_14_2 = 214, GAUDI2_QUEUE_ID_NIC_14_3 = 215, GAUDI2_QUEUE_ID_NIC_15_0 = 216, GAUDI2_QUEUE_ID_NIC_15_1 = 217, GAUDI2_QUEUE_ID_NIC_15_2 = 218, GAUDI2_QUEUE_ID_NIC_15_3 = 219, GAUDI2_QUEUE_ID_NIC_16_0 = 220, GAUDI2_QUEUE_ID_NIC_16_1 = 221, GAUDI2_QUEUE_ID_NIC_16_2 = 222, GAUDI2_QUEUE_ID_NIC_16_3 = 223, GAUDI2_QUEUE_ID_NIC_17_0 = 224, GAUDI2_QUEUE_ID_NIC_17_1 = 225, GAUDI2_QUEUE_ID_NIC_17_2 = 226, GAUDI2_QUEUE_ID_NIC_17_3 = 227, GAUDI2_QUEUE_ID_NIC_18_0 = 228, GAUDI2_QUEUE_ID_NIC_18_1 = 229, GAUDI2_QUEUE_ID_NIC_18_2 = 230, GAUDI2_QUEUE_ID_NIC_18_3 = 231, GAUDI2_QUEUE_ID_NIC_19_0 = 232, GAUDI2_QUEUE_ID_NIC_19_1 = 233, GAUDI2_QUEUE_ID_NIC_19_2 = 234, GAUDI2_QUEUE_ID_NIC_19_3 = 235, GAUDI2_QUEUE_ID_NIC_20_0 = 236, GAUDI2_QUEUE_ID_NIC_20_1 = 237, GAUDI2_QUEUE_ID_NIC_20_2 = 238, GAUDI2_QUEUE_ID_NIC_20_3 = 239, GAUDI2_QUEUE_ID_NIC_21_0 = 240, GAUDI2_QUEUE_ID_NIC_21_1 = 241, GAUDI2_QUEUE_ID_NIC_21_2 = 242, GAUDI2_QUEUE_ID_NIC_21_3 = 243, GAUDI2_QUEUE_ID_NIC_22_0 = 244, GAUDI2_QUEUE_ID_NIC_22_1 = 245, GAUDI2_QUEUE_ID_NIC_22_2 = 246, GAUDI2_QUEUE_ID_NIC_22_3 = 247, GAUDI2_QUEUE_ID_NIC_23_0 = 248, GAUDI2_QUEUE_ID_NIC_23_1 = 249, GAUDI2_QUEUE_ID_NIC_23_2 = 250, GAUDI2_QUEUE_ID_NIC_23_3 = 251, GAUDI2_QUEUE_ID_ROT_0_0 = 252, GAUDI2_QUEUE_ID_ROT_0_1 = 253, GAUDI2_QUEUE_ID_ROT_0_2 = 254, GAUDI2_QUEUE_ID_ROT_0_3 = 255, GAUDI2_QUEUE_ID_ROT_1_0 = 256, GAUDI2_QUEUE_ID_ROT_1_1 = 257, GAUDI2_QUEUE_ID_ROT_1_2 = 258, GAUDI2_QUEUE_ID_ROT_1_3 = 259, GAUDI2_QUEUE_ID_CPU_PQ = 260, GAUDI2_QUEUE_ID_SIZE }; /* * Engine Numbering * * Used in the "busy_engines_mask" field in `struct hl_info_hw_idle' */ enum goya_engine_id { GOYA_ENGINE_ID_DMA_0 = 0, GOYA_ENGINE_ID_DMA_1, GOYA_ENGINE_ID_DMA_2, GOYA_ENGINE_ID_DMA_3, GOYA_ENGINE_ID_DMA_4, GOYA_ENGINE_ID_MME_0, GOYA_ENGINE_ID_TPC_0, GOYA_ENGINE_ID_TPC_1, GOYA_ENGINE_ID_TPC_2, GOYA_ENGINE_ID_TPC_3, GOYA_ENGINE_ID_TPC_4, GOYA_ENGINE_ID_TPC_5, GOYA_ENGINE_ID_TPC_6, GOYA_ENGINE_ID_TPC_7, GOYA_ENGINE_ID_SIZE }; enum gaudi_engine_id { GAUDI_ENGINE_ID_DMA_0 = 0, GAUDI_ENGINE_ID_DMA_1, GAUDI_ENGINE_ID_DMA_2, GAUDI_ENGINE_ID_DMA_3, GAUDI_ENGINE_ID_DMA_4, GAUDI_ENGINE_ID_DMA_5, GAUDI_ENGINE_ID_DMA_6, GAUDI_ENGINE_ID_DMA_7, GAUDI_ENGINE_ID_MME_0, GAUDI_ENGINE_ID_MME_1, GAUDI_ENGINE_ID_MME_2, GAUDI_ENGINE_ID_MME_3, GAUDI_ENGINE_ID_TPC_0, GAUDI_ENGINE_ID_TPC_1, GAUDI_ENGINE_ID_TPC_2, GAUDI_ENGINE_ID_TPC_3, GAUDI_ENGINE_ID_TPC_4, GAUDI_ENGINE_ID_TPC_5, GAUDI_ENGINE_ID_TPC_6, GAUDI_ENGINE_ID_TPC_7, GAUDI_ENGINE_ID_NIC_0, GAUDI_ENGINE_ID_NIC_1, GAUDI_ENGINE_ID_NIC_2, GAUDI_ENGINE_ID_NIC_3, GAUDI_ENGINE_ID_NIC_4, GAUDI_ENGINE_ID_NIC_5, GAUDI_ENGINE_ID_NIC_6, GAUDI_ENGINE_ID_NIC_7, GAUDI_ENGINE_ID_NIC_8, GAUDI_ENGINE_ID_NIC_9, GAUDI_ENGINE_ID_SIZE }; enum gaudi2_engine_id { GAUDI2_DCORE0_ENGINE_ID_EDMA_0 = 0, GAUDI2_DCORE0_ENGINE_ID_EDMA_1, GAUDI2_DCORE0_ENGINE_ID_MME, GAUDI2_DCORE0_ENGINE_ID_TPC_0, GAUDI2_DCORE0_ENGINE_ID_TPC_1, GAUDI2_DCORE0_ENGINE_ID_TPC_2, GAUDI2_DCORE0_ENGINE_ID_TPC_3, GAUDI2_DCORE0_ENGINE_ID_TPC_4, GAUDI2_DCORE0_ENGINE_ID_TPC_5, GAUDI2_DCORE0_ENGINE_ID_DEC_0, GAUDI2_DCORE0_ENGINE_ID_DEC_1, GAUDI2_DCORE1_ENGINE_ID_EDMA_0, GAUDI2_DCORE1_ENGINE_ID_EDMA_1, GAUDI2_DCORE1_ENGINE_ID_MME, GAUDI2_DCORE1_ENGINE_ID_TPC_0, GAUDI2_DCORE1_ENGINE_ID_TPC_1, GAUDI2_DCORE1_ENGINE_ID_TPC_2, GAUDI2_DCORE1_ENGINE_ID_TPC_3, GAUDI2_DCORE1_ENGINE_ID_TPC_4, GAUDI2_DCORE1_ENGINE_ID_TPC_5, GAUDI2_DCORE1_ENGINE_ID_DEC_0, GAUDI2_DCORE1_ENGINE_ID_DEC_1, GAUDI2_DCORE2_ENGINE_ID_EDMA_0, GAUDI2_DCORE2_ENGINE_ID_EDMA_1, GAUDI2_DCORE2_ENGINE_ID_MME, GAUDI2_DCORE2_ENGINE_ID_TPC_0, GAUDI2_DCORE2_ENGINE_ID_TPC_1, GAUDI2_DCORE2_ENGINE_ID_TPC_2, GAUDI2_DCORE2_ENGINE_ID_TPC_3, GAUDI2_DCORE2_ENGINE_ID_TPC_4, GAUDI2_DCORE2_ENGINE_ID_TPC_5, GAUDI2_DCORE2_ENGINE_ID_DEC_0, GAUDI2_DCORE2_ENGINE_ID_DEC_1, GAUDI2_DCORE3_ENGINE_ID_EDMA_0, GAUDI2_DCORE3_ENGINE_ID_EDMA_1, GAUDI2_DCORE3_ENGINE_ID_MME, GAUDI2_DCORE3_ENGINE_ID_TPC_0, GAUDI2_DCORE3_ENGINE_ID_TPC_1, GAUDI2_DCORE3_ENGINE_ID_TPC_2, GAUDI2_DCORE3_ENGINE_ID_TPC_3, GAUDI2_DCORE3_ENGINE_ID_TPC_4, GAUDI2_DCORE3_ENGINE_ID_TPC_5, GAUDI2_DCORE3_ENGINE_ID_DEC_0, GAUDI2_DCORE3_ENGINE_ID_DEC_1, GAUDI2_DCORE0_ENGINE_ID_TPC_6, GAUDI2_ENGINE_ID_PDMA_0, GAUDI2_ENGINE_ID_PDMA_1, GAUDI2_ENGINE_ID_ROT_0, GAUDI2_ENGINE_ID_ROT_1, GAUDI2_PCIE_ENGINE_ID_DEC_0, GAUDI2_PCIE_ENGINE_ID_DEC_1, GAUDI2_ENGINE_ID_NIC0_0, GAUDI2_ENGINE_ID_NIC0_1, GAUDI2_ENGINE_ID_NIC1_0, GAUDI2_ENGINE_ID_NIC1_1, GAUDI2_ENGINE_ID_NIC2_0, GAUDI2_ENGINE_ID_NIC2_1, GAUDI2_ENGINE_ID_NIC3_0, GAUDI2_ENGINE_ID_NIC3_1, GAUDI2_ENGINE_ID_NIC4_0, GAUDI2_ENGINE_ID_NIC4_1, GAUDI2_ENGINE_ID_NIC5_0, GAUDI2_ENGINE_ID_NIC5_1, GAUDI2_ENGINE_ID_NIC6_0, GAUDI2_ENGINE_ID_NIC6_1, GAUDI2_ENGINE_ID_NIC7_0, GAUDI2_ENGINE_ID_NIC7_1, GAUDI2_ENGINE_ID_NIC8_0, GAUDI2_ENGINE_ID_NIC8_1, GAUDI2_ENGINE_ID_NIC9_0, GAUDI2_ENGINE_ID_NIC9_1, GAUDI2_ENGINE_ID_NIC10_0, GAUDI2_ENGINE_ID_NIC10_1, GAUDI2_ENGINE_ID_NIC11_0, GAUDI2_ENGINE_ID_NIC11_1, GAUDI2_ENGINE_ID_PCIE, GAUDI2_ENGINE_ID_PSOC, GAUDI2_ENGINE_ID_ARC_FARM, GAUDI2_ENGINE_ID_KDMA, GAUDI2_ENGINE_ID_SIZE }; /* * ASIC specific PLL index * * Used to retrieve in frequency info of different IPs via HL_INFO_PLL_FREQUENCY under * DRM_IOCTL_HL_INFO IOCTL. * The enums need to be used as an index in struct hl_pll_frequency_info. */ enum hl_goya_pll_index { HL_GOYA_CPU_PLL = 0, HL_GOYA_IC_PLL, HL_GOYA_MC_PLL, HL_GOYA_MME_PLL, HL_GOYA_PCI_PLL, HL_GOYA_EMMC_PLL, HL_GOYA_TPC_PLL, HL_GOYA_PLL_MAX }; enum hl_gaudi_pll_index { HL_GAUDI_CPU_PLL = 0, HL_GAUDI_PCI_PLL, HL_GAUDI_SRAM_PLL, HL_GAUDI_HBM_PLL, HL_GAUDI_NIC_PLL, HL_GAUDI_DMA_PLL, HL_GAUDI_MESH_PLL, HL_GAUDI_MME_PLL, HL_GAUDI_TPC_PLL, HL_GAUDI_IF_PLL, HL_GAUDI_PLL_MAX }; enum hl_gaudi2_pll_index { HL_GAUDI2_CPU_PLL = 0, HL_GAUDI2_PCI_PLL, HL_GAUDI2_SRAM_PLL, HL_GAUDI2_HBM_PLL, HL_GAUDI2_NIC_PLL, HL_GAUDI2_DMA_PLL, HL_GAUDI2_MESH_PLL, HL_GAUDI2_MME_PLL, HL_GAUDI2_TPC_PLL, HL_GAUDI2_IF_PLL, HL_GAUDI2_VID_PLL, HL_GAUDI2_MSS_PLL, HL_GAUDI2_PLL_MAX }; /** * enum hl_goya_dma_direction - Direction of DMA operation inside a LIN_DMA packet that is * submitted to the GOYA's DMA QMAN. This attribute is not relevant * to the H/W but the kernel driver use it to parse the packet's * addresses and patch/validate them. * @HL_DMA_HOST_TO_DRAM: DMA operation from Host memory to GOYA's DDR. * @HL_DMA_HOST_TO_SRAM: DMA operation from Host memory to GOYA's SRAM. * @HL_DMA_DRAM_TO_SRAM: DMA operation from GOYA's DDR to GOYA's SRAM. * @HL_DMA_SRAM_TO_DRAM: DMA operation from GOYA's SRAM to GOYA's DDR. * @HL_DMA_SRAM_TO_HOST: DMA operation from GOYA's SRAM to Host memory. * @HL_DMA_DRAM_TO_HOST: DMA operation from GOYA's DDR to Host memory. * @HL_DMA_DRAM_TO_DRAM: DMA operation from GOYA's DDR to GOYA's DDR. * @HL_DMA_SRAM_TO_SRAM: DMA operation from GOYA's SRAM to GOYA's SRAM. * @HL_DMA_ENUM_MAX: number of values in enum */ enum hl_goya_dma_direction { HL_DMA_HOST_TO_DRAM, HL_DMA_HOST_TO_SRAM, HL_DMA_DRAM_TO_SRAM, HL_DMA_SRAM_TO_DRAM, HL_DMA_SRAM_TO_HOST, HL_DMA_DRAM_TO_HOST, HL_DMA_DRAM_TO_DRAM, HL_DMA_SRAM_TO_SRAM, HL_DMA_ENUM_MAX }; /** * enum hl_device_status - Device status information. * @HL_DEVICE_STATUS_OPERATIONAL: Device is operational. * @HL_DEVICE_STATUS_IN_RESET: Device is currently during reset. * @HL_DEVICE_STATUS_MALFUNCTION: Device is unusable. * @HL_DEVICE_STATUS_NEEDS_RESET: Device needs reset because auto reset was disabled. * @HL_DEVICE_STATUS_IN_DEVICE_CREATION: Device is operational but its creation is still in * progress. * @HL_DEVICE_STATUS_IN_RESET_AFTER_DEVICE_RELEASE: Device is currently during reset that was * triggered because the user released the device * @HL_DEVICE_STATUS_LAST: Last status. */ enum hl_device_status { HL_DEVICE_STATUS_OPERATIONAL, HL_DEVICE_STATUS_IN_RESET, HL_DEVICE_STATUS_MALFUNCTION, HL_DEVICE_STATUS_NEEDS_RESET, HL_DEVICE_STATUS_IN_DEVICE_CREATION, HL_DEVICE_STATUS_IN_RESET_AFTER_DEVICE_RELEASE, HL_DEVICE_STATUS_LAST = HL_DEVICE_STATUS_IN_RESET_AFTER_DEVICE_RELEASE }; enum hl_server_type { HL_SERVER_TYPE_UNKNOWN = 0, HL_SERVER_GAUDI_HLS1 = 1, HL_SERVER_GAUDI_HLS1H = 2, HL_SERVER_GAUDI_TYPE1 = 3, HL_SERVER_GAUDI_TYPE2 = 4, HL_SERVER_GAUDI2_HLS2 = 5, HL_SERVER_GAUDI2_TYPE1 = 7 }; /* * Notifier event values - for the notification mechanism and the HL_INFO_GET_EVENTS command * * HL_NOTIFIER_EVENT_TPC_ASSERT - Indicates TPC assert event * HL_NOTIFIER_EVENT_UNDEFINED_OPCODE - Indicates undefined operation code * HL_NOTIFIER_EVENT_DEVICE_RESET - Indicates device requires a reset * HL_NOTIFIER_EVENT_CS_TIMEOUT - Indicates CS timeout error * HL_NOTIFIER_EVENT_DEVICE_UNAVAILABLE - Indicates device is unavailable * HL_NOTIFIER_EVENT_USER_ENGINE_ERR - Indicates device engine in error state * HL_NOTIFIER_EVENT_GENERAL_HW_ERR - Indicates device HW error * HL_NOTIFIER_EVENT_RAZWI - Indicates razwi happened * HL_NOTIFIER_EVENT_PAGE_FAULT - Indicates page fault happened * HL_NOTIFIER_EVENT_CRITICAL_HW_ERR - Indicates a HW error that requires SW abort and * HW reset * HL_NOTIFIER_EVENT_CRITICAL_FW_ERR - Indicates a FW error that requires SW abort and * HW reset */ #define HL_NOTIFIER_EVENT_TPC_ASSERT (1ULL << 0) #define HL_NOTIFIER_EVENT_UNDEFINED_OPCODE (1ULL << 1) #define HL_NOTIFIER_EVENT_DEVICE_RESET (1ULL << 2) #define HL_NOTIFIER_EVENT_CS_TIMEOUT (1ULL << 3) #define HL_NOTIFIER_EVENT_DEVICE_UNAVAILABLE (1ULL << 4) #define HL_NOTIFIER_EVENT_USER_ENGINE_ERR (1ULL << 5) #define HL_NOTIFIER_EVENT_GENERAL_HW_ERR (1ULL << 6) #define HL_NOTIFIER_EVENT_RAZWI (1ULL << 7) #define HL_NOTIFIER_EVENT_PAGE_FAULT (1ULL << 8) #define HL_NOTIFIER_EVENT_CRITICL_HW_ERR (1ULL << 9) #define HL_NOTIFIER_EVENT_CRITICL_FW_ERR (1ULL << 10) /* Opcode for management ioctl * * HW_IP_INFO - Receive information about different IP blocks in the * device. * HL_INFO_HW_EVENTS - Receive an array describing how many times each event * occurred since the last hard reset. * HL_INFO_DRAM_USAGE - Retrieve the dram usage inside the device and of the * specific context. This is relevant only for devices * where the dram is managed by the kernel driver * HL_INFO_HW_IDLE - Retrieve information about the idle status of each * internal engine. * HL_INFO_DEVICE_STATUS - Retrieve the device's status. This opcode doesn't * require an open context. * HL_INFO_DEVICE_UTILIZATION - Retrieve the total utilization of the device * over the last period specified by the user. * The period can be between 100ms to 1s, in * resolution of 100ms. The return value is a * percentage of the utilization rate. * HL_INFO_HW_EVENTS_AGGREGATE - Receive an array describing how many times each * event occurred since the driver was loaded. * HL_INFO_CLK_RATE - Retrieve the current and maximum clock rate * of the device in MHz. The maximum clock rate is * configurable via sysfs parameter * HL_INFO_RESET_COUNT - Retrieve the counts of the soft and hard reset * operations performed on the device since the last * time the driver was loaded. * HL_INFO_TIME_SYNC - Retrieve the device's time alongside the host's time * for synchronization. * HL_INFO_CS_COUNTERS - Retrieve command submission counters * HL_INFO_PCI_COUNTERS - Retrieve PCI counters * HL_INFO_CLK_THROTTLE_REASON - Retrieve clock throttling reason * HL_INFO_SYNC_MANAGER - Retrieve sync manager info per dcore * HL_INFO_TOTAL_ENERGY - Retrieve total energy consumption * HL_INFO_PLL_FREQUENCY - Retrieve PLL frequency * HL_INFO_POWER - Retrieve power information * HL_INFO_OPEN_STATS - Retrieve info regarding recent device open calls * HL_INFO_DRAM_REPLACED_ROWS - Retrieve DRAM replaced rows info * HL_INFO_DRAM_PENDING_ROWS - Retrieve DRAM pending rows num * HL_INFO_LAST_ERR_OPEN_DEV_TIME - Retrieve timestamp of the last time the device was opened * and CS timeout or razwi error occurred. * HL_INFO_CS_TIMEOUT_EVENT - Retrieve CS timeout timestamp and its related CS sequence number. * HL_INFO_RAZWI_EVENT - Retrieve parameters of razwi: * Timestamp of razwi. * The address which accessing it caused the razwi. * Razwi initiator. * Razwi cause, was it a page fault or MMU access error. * May return 0 even though no new data is available, in that case * timestamp will be 0. * HL_INFO_DEV_MEM_ALLOC_PAGE_SIZES - Retrieve valid page sizes for device memory allocation * HL_INFO_SECURED_ATTESTATION - Retrieve attestation report of the boot. * HL_INFO_REGISTER_EVENTFD - Register eventfd for event notifications. * HL_INFO_UNREGISTER_EVENTFD - Unregister eventfd * HL_INFO_GET_EVENTS - Retrieve the last occurred events * HL_INFO_UNDEFINED_OPCODE_EVENT - Retrieve last undefined opcode error information. * May return 0 even though no new data is available, in that case * timestamp will be 0. * HL_INFO_ENGINE_STATUS - Retrieve the status of all the h/w engines in the asic. * HL_INFO_PAGE_FAULT_EVENT - Retrieve parameters of captured page fault. * May return 0 even though no new data is available, in that case * timestamp will be 0. * HL_INFO_USER_MAPPINGS - Retrieve user mappings, captured after page fault event. * HL_INFO_FW_GENERIC_REQ - Send generic request to FW. * HL_INFO_HW_ERR_EVENT - Retrieve information on the reported HW error. * May return 0 even though no new data is available, in that case * timestamp will be 0. * HL_INFO_FW_ERR_EVENT - Retrieve information on the reported FW error. * May return 0 even though no new data is available, in that case * timestamp will be 0. * HL_INFO_USER_ENGINE_ERR_EVENT - Retrieve the last engine id that reported an error. */ #define HL_INFO_HW_IP_INFO 0 #define HL_INFO_HW_EVENTS 1 #define HL_INFO_DRAM_USAGE 2 #define HL_INFO_HW_IDLE 3 #define HL_INFO_DEVICE_STATUS 4 #define HL_INFO_DEVICE_UTILIZATION 6 #define HL_INFO_HW_EVENTS_AGGREGATE 7 #define HL_INFO_CLK_RATE 8 #define HL_INFO_RESET_COUNT 9 #define HL_INFO_TIME_SYNC 10 #define HL_INFO_CS_COUNTERS 11 #define HL_INFO_PCI_COUNTERS 12 #define HL_INFO_CLK_THROTTLE_REASON 13 #define HL_INFO_SYNC_MANAGER 14 #define HL_INFO_TOTAL_ENERGY 15 #define HL_INFO_PLL_FREQUENCY 16 #define HL_INFO_POWER 17 #define HL_INFO_OPEN_STATS 18 #define HL_INFO_DRAM_REPLACED_ROWS 21 #define HL_INFO_DRAM_PENDING_ROWS 22 #define HL_INFO_LAST_ERR_OPEN_DEV_TIME 23 #define HL_INFO_CS_TIMEOUT_EVENT 24 #define HL_INFO_RAZWI_EVENT 25 #define HL_INFO_DEV_MEM_ALLOC_PAGE_SIZES 26 #define HL_INFO_SECURED_ATTESTATION 27 #define HL_INFO_REGISTER_EVENTFD 28 #define HL_INFO_UNREGISTER_EVENTFD 29 #define HL_INFO_GET_EVENTS 30 #define HL_INFO_UNDEFINED_OPCODE_EVENT 31 #define HL_INFO_ENGINE_STATUS 32 #define HL_INFO_PAGE_FAULT_EVENT 33 #define HL_INFO_USER_MAPPINGS 34 #define HL_INFO_FW_GENERIC_REQ 35 #define HL_INFO_HW_ERR_EVENT 36 #define HL_INFO_FW_ERR_EVENT 37 #define HL_INFO_USER_ENGINE_ERR_EVENT 38 #define HL_INFO_DEV_SIGNED 40 #define HL_INFO_VERSION_MAX_LEN 128 #define HL_INFO_CARD_NAME_MAX_LEN 16 /* Maximum buffer size for retrieving engines status */ #define HL_ENGINES_DATA_MAX_SIZE SZ_1M /** * struct hl_info_hw_ip_info - hardware information on various IPs in the ASIC * @sram_base_address: The first SRAM physical base address that is free to be * used by the user. * @dram_base_address: The first DRAM virtual or physical base address that is * free to be used by the user. * @dram_size: The DRAM size that is available to the user. * @sram_size: The SRAM size that is available to the user. * @num_of_events: The number of events that can be received from the f/w. This * is needed so the user can what is the size of the h/w events * array he needs to pass to the kernel when he wants to fetch * the event counters. * @device_id: PCI device ID of the ASIC. * @module_id: Module ID of the ASIC for mezzanine cards in servers * (From OCP spec). * @decoder_enabled_mask: Bit-mask that represents which decoders are enabled. * @first_available_interrupt_id: The first available interrupt ID for the user * to be used when it works with user interrupts. * Relevant for Gaudi2 and later. * @server_type: Server type that the Gaudi ASIC is currently installed in. * The value is according to enum hl_server_type * @cpld_version: CPLD version on the board. * @psoc_pci_pll_nr: PCI PLL NR value. Needed by the profiler in some ASICs. * @psoc_pci_pll_nf: PCI PLL NF value. Needed by the profiler in some ASICs. * @psoc_pci_pll_od: PCI PLL OD value. Needed by the profiler in some ASICs. * @psoc_pci_pll_div_factor: PCI PLL DIV factor value. Needed by the profiler * in some ASICs. * @tpc_enabled_mask: Bit-mask that represents which TPCs are enabled. Relevant * for Goya/Gaudi only. * @dram_enabled: Whether the DRAM is enabled. * @security_enabled: Whether security is enabled on device. * @mme_master_slave_mode: Indicate whether the MME is working in master/slave * configuration. Relevant for Gaudi2 and later. * @cpucp_version: The CPUCP f/w version. * @card_name: The card name as passed by the f/w. * @tpc_enabled_mask_ext: Bit-mask that represents which TPCs are enabled. * Relevant for Gaudi2 and later. * @dram_page_size: The DRAM physical page size. * @edma_enabled_mask: Bit-mask that represents which EDMAs are enabled. * Relevant for Gaudi2 and later. * @number_of_user_interrupts: The number of interrupts that are available to the userspace * application to use. Relevant for Gaudi2 and later. * @device_mem_alloc_default_page_size: default page size used in device memory allocation. * @revision_id: PCI revision ID of the ASIC. * @tpc_interrupt_id: interrupt id for TPC to use in order to raise events towards the host. * @rotator_enabled_mask: Bit-mask that represents which rotators are enabled. * Relevant for Gaudi3 and later. * @engine_core_interrupt_reg_addr: interrupt register address for engine core to use * in order to raise events toward FW. * @reserved_dram_size: DRAM size reserved for driver and firmware. */ struct hl_info_hw_ip_info { __u64 sram_base_address; __u64 dram_base_address; __u64 dram_size; __u32 sram_size; __u32 num_of_events; __u32 device_id; __u32 module_id; __u32 decoder_enabled_mask; __u16 first_available_interrupt_id; __u16 server_type; __u32 cpld_version; __u32 psoc_pci_pll_nr; __u32 psoc_pci_pll_nf; __u32 psoc_pci_pll_od; __u32 psoc_pci_pll_div_factor; __u8 tpc_enabled_mask; __u8 dram_enabled; __u8 security_enabled; __u8 mme_master_slave_mode; __u8 cpucp_version[HL_INFO_VERSION_MAX_LEN]; __u8 card_name[HL_INFO_CARD_NAME_MAX_LEN]; __u64 tpc_enabled_mask_ext; __u64 dram_page_size; __u32 edma_enabled_mask; __u16 number_of_user_interrupts; __u8 reserved1; __u8 reserved2; __u64 reserved3; __u64 device_mem_alloc_default_page_size; __u64 reserved4; __u64 reserved5; __u32 reserved6; __u8 reserved7; __u8 revision_id; __u16 tpc_interrupt_id; __u32 rotator_enabled_mask; __u32 reserved9; __u64 engine_core_interrupt_reg_addr; __u64 reserved_dram_size; }; struct hl_info_dram_usage { __u64 dram_free_mem; __u64 ctx_dram_mem; }; #define HL_BUSY_ENGINES_MASK_EXT_SIZE 4 struct hl_info_hw_idle { __u32 is_idle; /* * Bitmask of busy engines. * Bits definition is according to `enum <chip>_engine_id'. */ __u32 busy_engines_mask; /* * Extended Bitmask of busy engines. * Bits definition is according to `enum <chip>_engine_id'. */ __u64 busy_engines_mask_ext[HL_BUSY_ENGINES_MASK_EXT_SIZE]; }; struct hl_info_device_status { __u32 status; __u32 pad; }; struct hl_info_device_utilization { __u32 utilization; __u32 pad; }; struct hl_info_clk_rate { __u32 cur_clk_rate_mhz; __u32 max_clk_rate_mhz; }; struct hl_info_reset_count { __u32 hard_reset_cnt; __u32 soft_reset_cnt; }; struct hl_info_time_sync { __u64 device_time; __u64 host_time; __u64 tsc_time; }; /** * struct hl_info_pci_counters - pci counters * @rx_throughput: PCI rx throughput KBps * @tx_throughput: PCI tx throughput KBps * @replay_cnt: PCI replay counter */ struct hl_info_pci_counters { __u64 rx_throughput; __u64 tx_throughput; __u64 replay_cnt; }; enum hl_clk_throttling_type { HL_CLK_THROTTLE_TYPE_POWER, HL_CLK_THROTTLE_TYPE_THERMAL, HL_CLK_THROTTLE_TYPE_MAX }; /* clk_throttling_reason masks */ #define HL_CLK_THROTTLE_POWER (1 << HL_CLK_THROTTLE_TYPE_POWER) #define HL_CLK_THROTTLE_THERMAL (1 << HL_CLK_THROTTLE_TYPE_THERMAL) /** * struct hl_info_clk_throttle - clock throttling reason * @clk_throttling_reason: each bit represents a clk throttling reason * @clk_throttling_timestamp_us: represents CPU timestamp in microseconds of the start-event * @clk_throttling_duration_ns: the clock throttle time in nanosec */ struct hl_info_clk_throttle { __u32 clk_throttling_reason; __u32 pad; __u64 clk_throttling_timestamp_us[HL_CLK_THROTTLE_TYPE_MAX]; __u64 clk_throttling_duration_ns[HL_CLK_THROTTLE_TYPE_MAX]; }; /** * struct hl_info_energy - device energy information * @total_energy_consumption: total device energy consumption */ struct hl_info_energy { __u64 total_energy_consumption; }; #define HL_PLL_NUM_OUTPUTS 4 struct hl_pll_frequency_info { __u16 output[HL_PLL_NUM_OUTPUTS]; }; /** * struct hl_open_stats_info - device open statistics information * @open_counter: ever growing counter, increased on each successful dev open * @last_open_period_ms: duration (ms) device was open last time * @is_compute_ctx_active: Whether there is an active compute context executing * @compute_ctx_in_release: true if the current compute context is being released */ struct hl_open_stats_info { __u64 open_counter; __u64 last_open_period_ms; __u8 is_compute_ctx_active; __u8 compute_ctx_in_release; __u8 pad[6]; }; /** * struct hl_power_info - power information * @power: power consumption */ struct hl_power_info { __u64 power; }; /** * struct hl_info_sync_manager - sync manager information * @first_available_sync_object: first available sob * @first_available_monitor: first available monitor * @first_available_cq: first available cq */ struct hl_info_sync_manager { __u32 first_available_sync_object; __u32 first_available_monitor; __u32 first_available_cq; __u32 reserved; }; /** * struct hl_info_cs_counters - command submission counters * @total_out_of_mem_drop_cnt: total dropped due to memory allocation issue * @ctx_out_of_mem_drop_cnt: context dropped due to memory allocation issue * @total_parsing_drop_cnt: total dropped due to error in packet parsing * @ctx_parsing_drop_cnt: context dropped due to error in packet parsing * @total_queue_full_drop_cnt: total dropped due to queue full * @ctx_queue_full_drop_cnt: context dropped due to queue full * @total_device_in_reset_drop_cnt: total dropped due to device in reset * @ctx_device_in_reset_drop_cnt: context dropped due to device in reset * @total_max_cs_in_flight_drop_cnt: total dropped due to maximum CS in-flight * @ctx_max_cs_in_flight_drop_cnt: context dropped due to maximum CS in-flight * @total_validation_drop_cnt: total dropped due to validation error * @ctx_validation_drop_cnt: context dropped due to validation error */ struct hl_info_cs_counters { __u64 total_out_of_mem_drop_cnt; __u64 ctx_out_of_mem_drop_cnt; __u64 total_parsing_drop_cnt; __u64 ctx_parsing_drop_cnt; __u64 total_queue_full_drop_cnt; __u64 ctx_queue_full_drop_cnt; __u64 total_device_in_reset_drop_cnt; __u64 ctx_device_in_reset_drop_cnt; __u64 total_max_cs_in_flight_drop_cnt; __u64 ctx_max_cs_in_flight_drop_cnt; __u64 total_validation_drop_cnt; __u64 ctx_validation_drop_cnt; }; /** * struct hl_info_last_err_open_dev_time - last error boot information. * @timestamp: timestamp of last time the device was opened and error occurred. */ struct hl_info_last_err_open_dev_time { __s64 timestamp; }; /** * struct hl_info_cs_timeout_event - last CS timeout information. * @timestamp: timestamp when last CS timeout event occurred. * @seq: sequence number of last CS timeout event. */ struct hl_info_cs_timeout_event { __s64 timestamp; __u64 seq; }; #define HL_RAZWI_NA_ENG_ID U16_MAX #define HL_RAZWI_MAX_NUM_OF_ENGINES_PER_RTR 128 #define HL_RAZWI_READ BIT(0) #define HL_RAZWI_WRITE BIT(1) #define HL_RAZWI_LBW BIT(2) #define HL_RAZWI_HBW BIT(3) #define HL_RAZWI_RR BIT(4) #define HL_RAZWI_ADDR_DEC BIT(5) /** * struct hl_info_razwi_event - razwi information. * @timestamp: timestamp of razwi. * @addr: address which accessing it caused razwi. * @engine_id: engine id of the razwi initiator, if it was initiated by engine that does not * have engine id it will be set to HL_RAZWI_NA_ENG_ID. If there are several possible * engines which caused the razwi, it will hold all of them. * @num_of_possible_engines: contains number of possible engine ids. In some asics, razwi indication * might be common for several engines and there is no way to get the * exact engine. In this way, engine_id array will be filled with all * possible engines caused this razwi. Also, there might be possibility * in gaudi, where we don't indication on specific engine, in that case * the value of this parameter will be zero. * @flags: bitmask for additional data: HL_RAZWI_READ - razwi caused by read operation * HL_RAZWI_WRITE - razwi caused by write operation * HL_RAZWI_LBW - razwi caused by lbw fabric transaction * HL_RAZWI_HBW - razwi caused by hbw fabric transaction * HL_RAZWI_RR - razwi caused by range register * HL_RAZWI_ADDR_DEC - razwi caused by address decode error * Note: this data is not supported by all asics, in that case the relevant bits will not * be set. */ struct hl_info_razwi_event { __s64 timestamp; __u64 addr; __u16 engine_id[HL_RAZWI_MAX_NUM_OF_ENGINES_PER_RTR]; __u16 num_of_possible_engines; __u8 flags; __u8 pad[5]; }; #define MAX_QMAN_STREAMS_INFO 4 #define OPCODE_INFO_MAX_ADDR_SIZE 8 /** * struct hl_info_undefined_opcode_event - info about last undefined opcode error * @timestamp: timestamp of the undefined opcode error * @cb_addr_streams: CB addresses (per stream) that are currently exists in the PQ * entries. In case all streams array entries are * filled with values, it means the execution was in Lower-CP. * @cq_addr: the address of the current handled command buffer * @cq_size: the size of the current handled command buffer * @cb_addr_streams_len: num of streams - actual len of cb_addr_streams array. * should be equal to 1 in case of undefined opcode * in Upper-CP (specific stream) and equal to 4 incase * of undefined opcode in Lower-CP. * @engine_id: engine-id that the error occurred on * @stream_id: the stream id the error occurred on. In case the stream equals to * MAX_QMAN_STREAMS_INFO it means the error occurred on a Lower-CP. */ struct hl_info_undefined_opcode_event { __s64 timestamp; __u64 cb_addr_streams[MAX_QMAN_STREAMS_INFO][OPCODE_INFO_MAX_ADDR_SIZE]; __u64 cq_addr; __u32 cq_size; __u32 cb_addr_streams_len; __u32 engine_id; __u32 stream_id; }; /** * struct hl_info_hw_err_event - info about HW error * @timestamp: timestamp of error occurrence * @event_id: The async event ID (specific to each device type). * @pad: size padding for u64 granularity. */ struct hl_info_hw_err_event { __s64 timestamp; __u16 event_id; __u16 pad[3]; }; /* FW error definition for event_type in struct hl_info_fw_err_event */ enum hl_info_fw_err_type { HL_INFO_FW_HEARTBEAT_ERR, HL_INFO_FW_REPORTED_ERR, }; /** * struct hl_info_fw_err_event - info about FW error * @timestamp: time-stamp of error occurrence * @err_type: The type of event as defined in hl_info_fw_err_type. * @event_id: The async event ID (specific to each device type, applicable only when event type is * HL_INFO_FW_REPORTED_ERR). * @pad: size padding for u64 granularity. */ struct hl_info_fw_err_event { __s64 timestamp; __u16 err_type; __u16 event_id; __u32 pad; }; /** * struct hl_info_engine_err_event - engine error info * @timestamp: time-stamp of error occurrence * @engine_id: engine id who reported the error. * @error_count: Amount of errors reported. * @pad: size padding for u64 granularity. */ struct hl_info_engine_err_event { __s64 timestamp; __u16 engine_id; __u16 error_count; __u32 pad; }; /** * struct hl_info_dev_memalloc_page_sizes - valid page sizes in device mem alloc information. * @page_order_bitmask: bitmap in which a set bit represents the order of the supported page size * (e.g. 0x2100000 means that 1MB and 32MB pages are supported). */ struct hl_info_dev_memalloc_page_sizes { __u64 page_order_bitmask; }; #define SEC_PCR_DATA_BUF_SZ 256 #define SEC_PCR_QUOTE_BUF_SZ 510 /* (512 - 2) 2 bytes used for size */ #define SEC_SIGNATURE_BUF_SZ 255 /* (256 - 1) 1 byte used for size */ #define SEC_PUB_DATA_BUF_SZ 510 /* (512 - 2) 2 bytes used for size */ #define SEC_CERTIFICATE_BUF_SZ 2046 /* (2048 - 2) 2 bytes used for size */ #define SEC_DEV_INFO_BUF_SZ 5120 /* * struct hl_info_sec_attest - attestation report of the boot * @nonce: number only used once. random number provided by host. this also passed to the quote * command as a qualifying data. * @pcr_quote_len: length of the attestation quote data (bytes) * @pub_data_len: length of the public data (bytes) * @certificate_len: length of the certificate (bytes) * @pcr_num_reg: number of PCR registers in the pcr_data array * @pcr_reg_len: length of each PCR register in the pcr_data array (bytes) * @quote_sig_len: length of the attestation report signature (bytes) * @pcr_data: raw values of the PCR registers * @pcr_quote: attestation report data structure * @quote_sig: signature structure of the attestation report * @public_data: public key for the signed attestation * (outPublic + name + qualifiedName) * @certificate: certificate for the attestation signing key */ struct hl_info_sec_attest { __u32 nonce; __u16 pcr_quote_len; __u16 pub_data_len; __u16 certificate_len; __u8 pcr_num_reg; __u8 pcr_reg_len; __u8 quote_sig_len; __u8 pcr_data[SEC_PCR_DATA_BUF_SZ]; __u8 pcr_quote[SEC_PCR_QUOTE_BUF_SZ]; __u8 quote_sig[SEC_SIGNATURE_BUF_SZ]; __u8 public_data[SEC_PUB_DATA_BUF_SZ]; __u8 certificate[SEC_CERTIFICATE_BUF_SZ]; __u8 pad0[2]; }; /* * struct hl_info_signed - device information signed by a secured device. * @nonce: number only used once. random number provided by host. this also passed to the quote * command as a qualifying data. * @pub_data_len: length of the public data (bytes) * @certificate_len: length of the certificate (bytes) * @info_sig_len: length of the attestation signature (bytes) * @public_data: public key info signed info data (outPublic + name + qualifiedName) * @certificate: certificate for the signing key * @info_sig: signature of the info + nonce data. * @dev_info_len: length of device info (bytes) * @dev_info: device info as byte array. */ struct hl_info_signed { __u32 nonce; __u16 pub_data_len; __u16 certificate_len; __u8 info_sig_len; __u8 public_data[SEC_PUB_DATA_BUF_SZ]; __u8 certificate[SEC_CERTIFICATE_BUF_SZ]; __u8 info_sig[SEC_SIGNATURE_BUF_SZ]; __u16 dev_info_len; __u8 dev_info[SEC_DEV_INFO_BUF_SZ]; __u8 pad[2]; }; /** * struct hl_page_fault_info - page fault information. * @timestamp: timestamp of page fault. * @addr: address which accessing it caused page fault. * @engine_id: engine id which caused the page fault, supported only in gaudi3. */ struct hl_page_fault_info { __s64 timestamp; __u64 addr; __u16 engine_id; __u8 pad[6]; }; /** * struct hl_user_mapping - user mapping information. * @dev_va: device virtual address. * @size: virtual address mapping size. */ struct hl_user_mapping { __u64 dev_va; __u64 size; }; enum gaudi_dcores { HL_GAUDI_WS_DCORE, HL_GAUDI_WN_DCORE, HL_GAUDI_EN_DCORE, HL_GAUDI_ES_DCORE }; /** * struct hl_info_args - Main structure to retrieve device related information. * @return_pointer: User space address of the relevant structure related to HL_INFO_* operation * mentioned in @op. * @return_size: Size of the structure used in @return_pointer, just like "size" in "snprintf", it * limits how many bytes the kernel can write. For hw_events array, the size should be * hl_info_hw_ip_info.num_of_events * sizeof(__u32). * @op: Defines which type of information to be retrieved. Refer HL_INFO_* for details. * @dcore_id: DCORE id for which the information is relevant (for Gaudi refer to enum gaudi_dcores). * @ctx_id: Context ID of the user. Currently not in use. * @period_ms: Period value, in milliseconds, for utilization rate in range 100ms - 1000ms in 100 ms * resolution. Currently not in use. * @pll_index: Index as defined in hl_<asic type>_pll_index enumeration. * @eventfd: event file descriptor for event notifications. * @user_buffer_actual_size: Actual data size which was copied to user allocated buffer by the * driver. It is possible for the user to allocate buffer larger than * needed, hence updating this variable so user will know the exact amount * of bytes copied by the kernel to the buffer. * @sec_attest_nonce: Nonce number used for attestation report. * @array_size: Number of array members copied to user buffer. * Relevant for HL_INFO_USER_MAPPINGS info ioctl. * @fw_sub_opcode: generic requests sub opcodes. * @pad: Padding to 64 bit. */ struct hl_info_args { __u64 return_pointer; __u32 return_size; __u32 op; union { __u32 dcore_id; __u32 ctx_id; __u32 period_ms; __u32 pll_index; __u32 eventfd; __u32 user_buffer_actual_size; __u32 sec_attest_nonce; __u32 array_size; __u32 fw_sub_opcode; }; __u32 pad; }; /* Opcode to create a new command buffer */ #define HL_CB_OP_CREATE 0 /* Opcode to destroy previously created command buffer */ #define HL_CB_OP_DESTROY 1 /* Opcode to retrieve information about a command buffer */ #define HL_CB_OP_INFO 2 /* 2MB minus 32 bytes for 2xMSG_PROT */ #define HL_MAX_CB_SIZE (0x200000 - 32) /* Indicates whether the command buffer should be mapped to the device's MMU */ #define HL_CB_FLAGS_MAP 0x1 /* Used with HL_CB_OP_INFO opcode to get the device va address for kernel mapped CB */ #define HL_CB_FLAGS_GET_DEVICE_VA 0x2 struct hl_cb_in { /* Handle of CB or 0 if we want to create one */ __u64 cb_handle; /* HL_CB_OP_* */ __u32 op; /* Size of CB. Maximum size is HL_MAX_CB_SIZE. The minimum size that * will be allocated, regardless of this parameter's value, is PAGE_SIZE */ __u32 cb_size; /* Context ID - Currently not in use */ __u32 ctx_id; /* HL_CB_FLAGS_* */ __u32 flags; }; struct hl_cb_out { union { /* Handle of CB */ __u64 cb_handle; union { /* Information about CB */ struct { /* Usage count of CB */ __u32 usage_cnt; __u32 pad; }; /* CB mapped address to device MMU */ __u64 device_va; }; }; }; union hl_cb_args { struct hl_cb_in in; struct hl_cb_out out; }; /* HL_CS_CHUNK_FLAGS_ values * * HL_CS_CHUNK_FLAGS_USER_ALLOC_CB: * Indicates if the CB was allocated and mapped by userspace * (relevant to Gaudi2 and later). User allocated CB is a command buffer, * allocated by the user, via malloc (or similar). After allocating the * CB, the user invokes - “memory ioctl” to map the user memory into a * device virtual address. The user provides this address via the * cb_handle field. The interface provides the ability to create a * large CBs, Which aren’t limited to “HL_MAX_CB_SIZE”. Therefore, it * increases the PCI-DMA queues throughput. This CB allocation method * also reduces the use of Linux DMA-able memory pool. Which are limited * and used by other Linux sub-systems. */ #define HL_CS_CHUNK_FLAGS_USER_ALLOC_CB 0x1 /* * This structure size must always be fixed to 64-bytes for backward * compatibility */ struct hl_cs_chunk { union { /* Goya/Gaudi: * For external queue, this represents a Handle of CB on the * Host. * For internal queue in Goya, this represents an SRAM or * a DRAM address of the internal CB. In Gaudi, this might also * represent a mapped host address of the CB. * * Gaudi2 onwards: * For H/W queue, this represents either a Handle of CB on the * Host, or an SRAM, a DRAM, or a mapped host address of the CB. * * A mapped host address is in the device address space, after * a host address was mapped by the device MMU. */ __u64 cb_handle; /* Relevant only when HL_CS_FLAGS_WAIT or * HL_CS_FLAGS_COLLECTIVE_WAIT is set * This holds address of array of u64 values that contain * signal CS sequence numbers. The wait described by * this job will listen on all those signals * (wait event per signal) */ __u64 signal_seq_arr; /* * Relevant only when HL_CS_FLAGS_WAIT or * HL_CS_FLAGS_COLLECTIVE_WAIT is set * along with HL_CS_FLAGS_ENCAP_SIGNALS. * This is the CS sequence which has the encapsulated signals. */ __u64 encaps_signal_seq; }; /* Index of queue to put the CB on */ __u32 queue_index; union { /* * Size of command buffer with valid packets * Can be smaller then actual CB size */ __u32 cb_size; /* Relevant only when HL_CS_FLAGS_WAIT or * HL_CS_FLAGS_COLLECTIVE_WAIT is set. * Number of entries in signal_seq_arr */ __u32 num_signal_seq_arr; /* Relevant only when HL_CS_FLAGS_WAIT or * HL_CS_FLAGS_COLLECTIVE_WAIT is set along * with HL_CS_FLAGS_ENCAP_SIGNALS * This set the signals range that the user want to wait for * out of the whole reserved signals range. * e.g if the signals range is 20, and user don't want * to wait for signal 8, so he set this offset to 7, then * he call the API again with 9 and so on till 20. */ __u32 encaps_signal_offset; }; /* HL_CS_CHUNK_FLAGS_* */ __u32 cs_chunk_flags; /* Relevant only when HL_CS_FLAGS_COLLECTIVE_WAIT is set. * This holds the collective engine ID. The wait described by this job * will sync with this engine and with all NICs before completion. */ __u32 collective_engine_id; /* Align structure to 64 bytes */ __u32 pad[10]; }; /* SIGNAL/WAIT/COLLECTIVE_WAIT flags are mutually exclusive */ #define HL_CS_FLAGS_FORCE_RESTORE 0x1 #define HL_CS_FLAGS_SIGNAL 0x2 #define HL_CS_FLAGS_WAIT 0x4 #define HL_CS_FLAGS_COLLECTIVE_WAIT 0x8 #define HL_CS_FLAGS_TIMESTAMP 0x20 #define HL_CS_FLAGS_STAGED_SUBMISSION 0x40 #define HL_CS_FLAGS_STAGED_SUBMISSION_FIRST 0x80 #define HL_CS_FLAGS_STAGED_SUBMISSION_LAST 0x100 #define HL_CS_FLAGS_CUSTOM_TIMEOUT 0x200 #define HL_CS_FLAGS_SKIP_RESET_ON_TIMEOUT 0x400 /* * The encapsulated signals CS is merged into the existing CS ioctls. * In order to use this feature need to follow the below procedure: * 1. Reserve signals, set the CS type to HL_CS_FLAGS_RESERVE_SIGNALS_ONLY * the output of this API will be the SOB offset from CFG_BASE. * this address will be used to patch CB cmds to do the signaling for this * SOB by incrementing it's value. * for reverting the reservation use HL_CS_FLAGS_UNRESERVE_SIGNALS_ONLY * CS type, note that this might fail if out-of-sync happened to the SOB * value, in case other signaling request to the same SOB occurred between * reserve-unreserve calls. * 2. Use the staged CS to do the encapsulated signaling jobs. * use HL_CS_FLAGS_STAGED_SUBMISSION and HL_CS_FLAGS_STAGED_SUBMISSION_FIRST * along with HL_CS_FLAGS_ENCAP_SIGNALS flag, and set encaps_signal_offset * field. This offset allows app to wait on part of the reserved signals. * 3. Use WAIT/COLLECTIVE WAIT CS along with HL_CS_FLAGS_ENCAP_SIGNALS flag * to wait for the encapsulated signals. */ #define HL_CS_FLAGS_ENCAP_SIGNALS 0x800 #define HL_CS_FLAGS_RESERVE_SIGNALS_ONLY 0x1000 #define HL_CS_FLAGS_UNRESERVE_SIGNALS_ONLY 0x2000 /* * The engine cores CS is merged into the existing CS ioctls. * Use it to control the engine cores mode. */ #define HL_CS_FLAGS_ENGINE_CORE_COMMAND 0x4000 /* * The flush HBW PCI writes is merged into the existing CS ioctls. * Used to flush all HBW PCI writes. * This is a blocking operation and for this reason the user shall not use * the return sequence number (which will be invalid anyway) */ #define HL_CS_FLAGS_FLUSH_PCI_HBW_WRITES 0x8000 /* * The engines CS is merged into the existing CS ioctls. * Use it to control engines modes. */ #define HL_CS_FLAGS_ENGINES_COMMAND 0x10000 #define HL_CS_STATUS_SUCCESS 0 #define HL_MAX_JOBS_PER_CS 512 /* * enum hl_engine_command - engine command * * @HL_ENGINE_CORE_HALT: engine core halt * @HL_ENGINE_CORE_RUN: engine core run * @HL_ENGINE_STALL: user engine/s stall * @HL_ENGINE_RESUME: user engine/s resume */ enum hl_engine_command { HL_ENGINE_CORE_HALT = 1, HL_ENGINE_CORE_RUN = 2, HL_ENGINE_STALL = 3, HL_ENGINE_RESUME = 4, HL_ENGINE_COMMAND_MAX }; struct hl_cs_in { union { struct { /* this holds address of array of hl_cs_chunk for restore phase */ __u64 chunks_restore; /* holds address of array of hl_cs_chunk for execution phase */ __u64 chunks_execute; }; /* Valid only when HL_CS_FLAGS_ENGINE_CORE_COMMAND is set */ struct { /* this holds address of array of uint32 for engine_cores */ __u64 engine_cores; /* number of engine cores in engine_cores array */ __u32 num_engine_cores; /* the core command to be sent towards engine cores */ __u32 core_command; }; /* Valid only when HL_CS_FLAGS_ENGINES_COMMAND is set */ struct { /* this holds address of array of uint32 for engines */ __u64 engines; /* number of engines in engines array */ __u32 num_engines; /* the engine command to be sent towards engines */ __u32 engine_command; }; }; union { /* * Sequence number of a staged submission CS * valid only if HL_CS_FLAGS_STAGED_SUBMISSION is set and * HL_CS_FLAGS_STAGED_SUBMISSION_FIRST is unset. */ __u64 seq; /* * Encapsulated signals handle id * Valid for two flows: * 1. CS with encapsulated signals: * when HL_CS_FLAGS_STAGED_SUBMISSION and * HL_CS_FLAGS_STAGED_SUBMISSION_FIRST * and HL_CS_FLAGS_ENCAP_SIGNALS are set. * 2. unreserve signals: * valid when HL_CS_FLAGS_UNRESERVE_SIGNALS_ONLY is set. */ __u32 encaps_sig_handle_id; /* Valid only when HL_CS_FLAGS_RESERVE_SIGNALS_ONLY is set */ struct { /* Encapsulated signals number */ __u32 encaps_signals_count; /* Encapsulated signals queue index (stream) */ __u32 encaps_signals_q_idx; }; }; /* Number of chunks in restore phase array. Maximum number is * HL_MAX_JOBS_PER_CS */ __u32 num_chunks_restore; /* Number of chunks in execution array. Maximum number is * HL_MAX_JOBS_PER_CS */ __u32 num_chunks_execute; /* timeout in seconds - valid only if HL_CS_FLAGS_CUSTOM_TIMEOUT * is set */ __u32 timeout; /* HL_CS_FLAGS_* */ __u32 cs_flags; /* Context ID - Currently not in use */ __u32 ctx_id; __u8 pad[4]; }; struct hl_cs_out { union { /* * seq holds the sequence number of the CS to pass to wait * ioctl. All values are valid except for 0 and ULLONG_MAX */ __u64 seq; /* Valid only when HL_CS_FLAGS_RESERVE_SIGNALS_ONLY is set */ struct { /* This is the reserved signal handle id */ __u32 handle_id; /* This is the signals count */ __u32 count; }; }; /* HL_CS_STATUS */ __u32 status; /* * SOB base address offset * Valid only when HL_CS_FLAGS_RESERVE_SIGNALS_ONLY or HL_CS_FLAGS_SIGNAL is set */ __u32 sob_base_addr_offset; /* * Count of completed signals in SOB before current signal submission. * Valid only when (HL_CS_FLAGS_ENCAP_SIGNALS & HL_CS_FLAGS_STAGED_SUBMISSION) * or HL_CS_FLAGS_SIGNAL is set */ __u16 sob_count_before_submission; __u16 pad[3]; }; union hl_cs_args { struct hl_cs_in in; struct hl_cs_out out; }; #define HL_WAIT_CS_FLAGS_INTERRUPT 0x2 #define HL_WAIT_CS_FLAGS_INTERRUPT_MASK 0xFFF00000 #define HL_WAIT_CS_FLAGS_ANY_CQ_INTERRUPT 0xFFF00000 #define HL_WAIT_CS_FLAGS_ANY_DEC_INTERRUPT 0xFFE00000 #define HL_WAIT_CS_FLAGS_MULTI_CS 0x4 #define HL_WAIT_CS_FLAGS_INTERRUPT_KERNEL_CQ 0x10 #define HL_WAIT_CS_FLAGS_REGISTER_INTERRUPT 0x20 #define HL_WAIT_MULTI_CS_LIST_MAX_LEN 32 struct hl_wait_cs_in { union { struct { /* * In case of wait_cs holds the CS sequence number. * In case of wait for multi CS hold a user pointer to * an array of CS sequence numbers */ __u64 seq; /* Absolute timeout to wait for command submission * in microseconds */ __u64 timeout_us; }; struct { union { /* User address for completion comparison. * upon interrupt, driver will compare the value pointed * by this address with the supplied target value. * in order not to perform any comparison, set address * to all 1s. * Relevant only when HL_WAIT_CS_FLAGS_INTERRUPT is set */ __u64 addr; /* cq_counters_handle to a kernel mapped cb which contains * cq counters. * Relevant only when HL_WAIT_CS_FLAGS_INTERRUPT_KERNEL_CQ is set */ __u64 cq_counters_handle; }; /* Target value for completion comparison */ __u64 target; }; }; /* Context ID - Currently not in use */ __u32 ctx_id; /* HL_WAIT_CS_FLAGS_* * If HL_WAIT_CS_FLAGS_INTERRUPT is set, this field should include * interrupt id according to HL_WAIT_CS_FLAGS_INTERRUPT_MASK * * in order to wait for any CQ interrupt, set interrupt value to * HL_WAIT_CS_FLAGS_ANY_CQ_INTERRUPT. * * in order to wait for any decoder interrupt, set interrupt value to * HL_WAIT_CS_FLAGS_ANY_DEC_INTERRUPT. */ __u32 flags; union { struct { /* Multi CS API info- valid entries in multi-CS array */ __u8 seq_arr_len; __u8 pad[7]; }; /* Absolute timeout to wait for an interrupt in microseconds. * Relevant only when HL_WAIT_CS_FLAGS_INTERRUPT is set */ __u64 interrupt_timeout_us; }; /* * cq counter offset inside the counters cb pointed by cq_counters_handle above. * upon interrupt, driver will compare the value pointed * by this address (cq_counters_handle + cq_counters_offset) * with the supplied target value. * relevant only when HL_WAIT_CS_FLAGS_INTERRUPT_KERNEL_CQ is set */ __u64 cq_counters_offset; /* * Timestamp_handle timestamps buffer handle. * relevant only when HL_WAIT_CS_FLAGS_REGISTER_INTERRUPT is set */ __u64 timestamp_handle; /* * Timestamp_offset is offset inside the timestamp buffer pointed by timestamp_handle above. * upon interrupt, if the cq reached the target value then driver will write * timestamp to this offset. * relevant only when HL_WAIT_CS_FLAGS_REGISTER_INTERRUPT is set */ __u64 timestamp_offset; }; #define HL_WAIT_CS_STATUS_COMPLETED 0 #define HL_WAIT_CS_STATUS_BUSY 1 #define HL_WAIT_CS_STATUS_TIMEDOUT 2 #define HL_WAIT_CS_STATUS_ABORTED 3 #define HL_WAIT_CS_STATUS_FLAG_GONE 0x1 #define HL_WAIT_CS_STATUS_FLAG_TIMESTAMP_VLD 0x2 struct hl_wait_cs_out { /* HL_WAIT_CS_STATUS_* */ __u32 status; /* HL_WAIT_CS_STATUS_FLAG* */ __u32 flags; /* * valid only if HL_WAIT_CS_STATUS_FLAG_TIMESTAMP_VLD is set * for wait_cs: timestamp of CS completion * for wait_multi_cs: timestamp of FIRST CS completion */ __s64 timestamp_nsec; /* multi CS completion bitmap */ __u32 cs_completion_map; __u32 pad; }; union hl_wait_cs_args { struct hl_wait_cs_in in; struct hl_wait_cs_out out; }; /* Opcode to allocate device memory */ #define HL_MEM_OP_ALLOC 0 /* Opcode to free previously allocated device memory */ #define HL_MEM_OP_FREE 1 /* Opcode to map host and device memory */ #define HL_MEM_OP_MAP 2 /* Opcode to unmap previously mapped host and device memory */ #define HL_MEM_OP_UNMAP 3 /* Opcode to map a hw block */ #define HL_MEM_OP_MAP_BLOCK 4 /* Opcode to create DMA-BUF object for an existing device memory allocation * and to export an FD of that DMA-BUF back to the caller */ #define HL_MEM_OP_EXPORT_DMABUF_FD 5 /* Opcode to create timestamps pool for user interrupts registration support * The memory will be allocated by the kernel driver, A timestamp buffer which the user * will get handle to it for mmap, and another internal buffer used by the * driver for registration management * The memory will be freed when the user closes the file descriptor(ctx close) */ #define HL_MEM_OP_TS_ALLOC 6 /* Memory flags */ #define HL_MEM_CONTIGUOUS 0x1 #define HL_MEM_SHARED 0x2 #define HL_MEM_USERPTR 0x4 #define HL_MEM_FORCE_HINT 0x8 #define HL_MEM_PREFETCH 0x40 /** * structure hl_mem_in - structure that handle input args for memory IOCTL * @union arg: union of structures to be used based on the input operation * @op: specify the requested memory operation (one of the HL_MEM_OP_* definitions). * @flags: flags for the memory operation (one of the HL_MEM_* definitions). * For the HL_MEM_OP_EXPORT_DMABUF_FD opcode, this field holds the DMA-BUF file/FD flags. * @ctx_id: context ID - currently not in use. * @num_of_elements: number of timestamp elements used only with HL_MEM_OP_TS_ALLOC opcode. */ struct hl_mem_in { union { /** * structure for device memory allocation (used with the HL_MEM_OP_ALLOC op) * @mem_size: memory size to allocate * @page_size: page size to use on allocation. when the value is 0 the default page * size will be taken. */ struct { __u64 mem_size; __u64 page_size; } alloc; /** * structure for free-ing device memory (used with the HL_MEM_OP_FREE op) * @handle: handle returned from HL_MEM_OP_ALLOC */ struct { __u64 handle; } free; /** * structure for mapping device memory (used with the HL_MEM_OP_MAP op) * @hint_addr: requested virtual address of mapped memory. * the driver will try to map the requested region to this hint * address, as long as the address is valid and not already mapped. * the user should check the returned address of the IOCTL to make * sure he got the hint address. * passing 0 here means that the driver will choose the address itself. * @handle: handle returned from HL_MEM_OP_ALLOC. */ struct { __u64 hint_addr; __u64 handle; } map_device; /** * structure for mapping host memory (used with the HL_MEM_OP_MAP op) * @host_virt_addr: address of allocated host memory. * @hint_addr: requested virtual address of mapped memory. * the driver will try to map the requested region to this hint * address, as long as the address is valid and not already mapped. * the user should check the returned address of the IOCTL to make * sure he got the hint address. * passing 0 here means that the driver will choose the address itself. * @size: size of allocated host memory. */ struct { __u64 host_virt_addr; __u64 hint_addr; __u64 mem_size; } map_host; /** * structure for mapping hw block (used with the HL_MEM_OP_MAP_BLOCK op) * @block_addr:HW block address to map, a handle and size will be returned * to the user and will be used to mmap the relevant block. * only addresses from configuration space are allowed. */ struct { __u64 block_addr; } map_block; /** * structure for unmapping host memory (used with the HL_MEM_OP_UNMAP op) * @device_virt_addr: virtual address returned from HL_MEM_OP_MAP */ struct { __u64 device_virt_addr; } unmap; /** * structure for exporting DMABUF object (used with * the HL_MEM_OP_EXPORT_DMABUF_FD op) * @addr: for Gaudi1, the driver expects a physical address * inside the device's DRAM. this is because in Gaudi1 * we don't have MMU that covers the device's DRAM. * for all other ASICs, the driver expects a device * virtual address that represents the start address of * a mapped DRAM memory area inside the device. * the address must be the same as was received from the * driver during a previous HL_MEM_OP_MAP operation. * @mem_size: size of memory to export. * @offset: for Gaudi1, this value must be 0. For all other ASICs, * the driver expects an offset inside of the memory area * describe by addr. the offset represents the start * address of that the exported dma-buf object describes. */ struct { __u64 addr; __u64 mem_size; __u64 offset; } export_dmabuf_fd; }; __u32 op; __u32 flags; __u32 ctx_id; __u32 num_of_elements; }; struct hl_mem_out { union { /* * Used for HL_MEM_OP_MAP as the virtual address that was * assigned in the device VA space. * A value of 0 means the requested operation failed. */ __u64 device_virt_addr; /* * Used in HL_MEM_OP_ALLOC * This is the assigned handle for the allocated memory */ __u64 handle; struct { /* * Used in HL_MEM_OP_MAP_BLOCK. * This is the assigned handle for the mapped block */ __u64 block_handle; /* * Used in HL_MEM_OP_MAP_BLOCK * This is the size of the mapped block */ __u32 block_size; __u32 pad; }; /* Returned in HL_MEM_OP_EXPORT_DMABUF_FD. Represents the * DMA-BUF object that was created to describe a memory * allocation on the device's memory space. The FD should be * passed to the importer driver */ __s32 fd; }; }; union hl_mem_args { struct hl_mem_in in; struct hl_mem_out out; }; #define HL_DEBUG_MAX_AUX_VALUES 10 struct hl_debug_params_etr { /* Address in memory to allocate buffer */ __u64 buffer_address; /* Size of buffer to allocate */ __u64 buffer_size; /* Sink operation mode: SW fifo, HW fifo, Circular buffer */ __u32 sink_mode; __u32 pad; }; struct hl_debug_params_etf { /* Address in memory to allocate buffer */ __u64 buffer_address; /* Size of buffer to allocate */ __u64 buffer_size; /* Sink operation mode: SW fifo, HW fifo, Circular buffer */ __u32 sink_mode; __u32 pad; }; struct hl_debug_params_stm { /* Two bit masks for HW event and Stimulus Port */ __u64 he_mask; __u64 sp_mask; /* Trace source ID */ __u32 id; /* Frequency for the timestamp register */ __u32 frequency; }; struct hl_debug_params_bmon { /* Two address ranges that the user can request to filter */ __u64 start_addr0; __u64 addr_mask0; __u64 start_addr1; __u64 addr_mask1; /* Capture window configuration */ __u32 bw_win; __u32 win_capture; /* Trace source ID */ __u32 id; /* Control register */ __u32 control; /* Two more address ranges that the user can request to filter */ __u64 start_addr2; __u64 end_addr2; __u64 start_addr3; __u64 end_addr3; }; struct hl_debug_params_spmu { /* Event types selection */ __u64 event_types[HL_DEBUG_MAX_AUX_VALUES]; /* Number of event types selection */ __u32 event_types_num; /* TRC configuration register values */ __u32 pmtrc_val; __u32 trc_ctrl_host_val; __u32 trc_en_host_val; }; /* Opcode for ETR component */ #define HL_DEBUG_OP_ETR 0 /* Opcode for ETF component */ #define HL_DEBUG_OP_ETF 1 /* Opcode for STM component */ #define HL_DEBUG_OP_STM 2 /* Opcode for FUNNEL component */ #define HL_DEBUG_OP_FUNNEL 3 /* Opcode for BMON component */ #define HL_DEBUG_OP_BMON 4 /* Opcode for SPMU component */ #define HL_DEBUG_OP_SPMU 5 /* Opcode for timestamp (deprecated) */ #define HL_DEBUG_OP_TIMESTAMP 6 /* Opcode for setting the device into or out of debug mode. The enable * variable should be 1 for enabling debug mode and 0 for disabling it */ #define HL_DEBUG_OP_SET_MODE 7 struct hl_debug_args { /* * Pointer to user input structure. * This field is relevant to specific opcodes. */ __u64 input_ptr; /* Pointer to user output structure */ __u64 output_ptr; /* Size of user input structure */ __u32 input_size; /* Size of user output structure */ __u32 output_size; /* HL_DEBUG_OP_* */ __u32 op; /* * Register index in the component, taken from the debug_regs_index enum * in the various ASIC header files */ __u32 reg_idx; /* Enable/disable */ __u32 enable; /* Context ID - Currently not in use */ __u32 ctx_id; }; #define HL_IOCTL_INFO 0x00 #define HL_IOCTL_CB 0x01 #define HL_IOCTL_CS 0x02 #define HL_IOCTL_WAIT_CS 0x03 #define HL_IOCTL_MEMORY 0x04 #define HL_IOCTL_DEBUG 0x05 /* * Various information operations such as: * - H/W IP information * - Current dram usage * * The user calls this IOCTL with an opcode that describes the required * information. The user should supply a pointer to a user-allocated memory * chunk, which will be filled by the driver with the requested information. * * The user supplies the maximum amount of size to copy into the user's memory, * in order to prevent data corruption in case of differences between the * definitions of structures in kernel and userspace, e.g. in case of old * userspace and new kernel driver */ #define DRM_IOCTL_HL_INFO DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_INFO, struct hl_info_args) /* * Command Buffer * - Request a Command Buffer * - Destroy a Command Buffer * * The command buffers are memory blocks that reside in DMA-able address * space and are physically contiguous so they can be accessed by the device * directly. They are allocated using the coherent DMA API. * * When creating a new CB, the IOCTL returns a handle of it, and the user-space * process needs to use that handle to mmap the buffer so it can access them. * * In some instances, the device must access the command buffer through the * device's MMU, and thus its memory should be mapped. In these cases, user can * indicate the driver that such a mapping is required. * The resulting device virtual address will be used internally by the driver, * and won't be returned to user. * */ #define DRM_IOCTL_HL_CB DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_CB, union hl_cb_args) /* * Command Submission * * To submit work to the device, the user need to call this IOCTL with a set * of JOBS. That set of JOBS constitutes a CS object. * Each JOB will be enqueued on a specific queue, according to the user's input. * There can be more then one JOB per queue. * * The CS IOCTL will receive two sets of JOBS. One set is for "restore" phase * and a second set is for "execution" phase. * The JOBS on the "restore" phase are enqueued only after context-switch * (or if its the first CS for this context). The user can also order the * driver to run the "restore" phase explicitly * * Goya/Gaudi: * There are two types of queues - external and internal. External queues * are DMA queues which transfer data from/to the Host. All other queues are * internal. The driver will get completion notifications from the device only * on JOBS which are enqueued in the external queues. * * Gaudi2 onwards: * There is a single type of queue for all types of engines, either DMA engines * for transfers from/to the host or inside the device, or compute engines. * The driver will get completion notifications from the device for all queues. * * For jobs on external queues, the user needs to create command buffers * through the CB ioctl and give the CB's handle to the CS ioctl. For jobs on * internal queues, the user needs to prepare a "command buffer" with packets * on either the device SRAM/DRAM or the host, and give the device address of * that buffer to the CS ioctl. * For jobs on H/W queues both options of command buffers are valid. * * This IOCTL is asynchronous in regard to the actual execution of the CS. This * means it returns immediately after ALL the JOBS were enqueued on their * relevant queues. Therefore, the user mustn't assume the CS has been completed * or has even started to execute. * * Upon successful enqueue, the IOCTL returns a sequence number which the user * can use with the "Wait for CS" IOCTL to check whether the handle's CS * non-internal JOBS have been completed. Note that if the CS has internal JOBS * which can execute AFTER the external JOBS have finished, the driver might * report that the CS has finished executing BEFORE the internal JOBS have * actually finished executing. * * Even though the sequence number increments per CS, the user can NOT * automatically assume that if CS with sequence number N finished, then CS * with sequence number N-1 also finished. The user can make this assumption if * and only if CS N and CS N-1 are exactly the same (same CBs for the same * queues). */ #define DRM_IOCTL_HL_CS DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_CS, union hl_cs_args) /* * Wait for Command Submission * * The user can call this IOCTL with a handle it received from the CS IOCTL * to wait until the handle's CS has finished executing. The user will wait * inside the kernel until the CS has finished or until the user-requested * timeout has expired. * * If the timeout value is 0, the driver won't sleep at all. It will check * the status of the CS and return immediately * * The return value of the IOCTL is a standard Linux error code. The possible * values are: * * EINTR - Kernel waiting has been interrupted, e.g. due to OS signal * that the user process received * ETIMEDOUT - The CS has caused a timeout on the device * EIO - The CS was aborted (usually because the device was reset) * ENODEV - The device wants to do hard-reset (so user need to close FD) * * The driver also returns a custom define in case the IOCTL call returned 0. * The define can be one of the following: * * HL_WAIT_CS_STATUS_COMPLETED - The CS has been completed successfully (0) * HL_WAIT_CS_STATUS_BUSY - The CS is still executing (0) * HL_WAIT_CS_STATUS_TIMEDOUT - The CS has caused a timeout on the device * (ETIMEDOUT) * HL_WAIT_CS_STATUS_ABORTED - The CS was aborted, usually because the * device was reset (EIO) */ #define DRM_IOCTL_HL_WAIT_CS DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_WAIT_CS, union hl_wait_cs_args) /* * Memory * - Map host memory to device MMU * - Unmap host memory from device MMU * * This IOCTL allows the user to map host memory to the device MMU * * For host memory, the IOCTL doesn't allocate memory. The user is supposed * to allocate the memory in user-space (malloc/new). The driver pins the * physical pages (up to the allowed limit by the OS), assigns a virtual * address in the device VA space and initializes the device MMU. * * There is an option for the user to specify the requested virtual address. * */ #define DRM_IOCTL_HL_MEMORY DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_MEMORY, union hl_mem_args) /* * Debug * - Enable/disable the ETR/ETF/FUNNEL/STM/BMON/SPMU debug traces * * This IOCTL allows the user to get debug traces from the chip. * * Before the user can send configuration requests of the various * debug/profile engines, it needs to set the device into debug mode. * This is because the debug/profile infrastructure is shared component in the * device and we can't allow multiple users to access it at the same time. * * Once a user set the device into debug mode, the driver won't allow other * users to "work" with the device, i.e. open a FD. If there are multiple users * opened on the device, the driver won't allow any user to debug the device. * * For each configuration request, the user needs to provide the register index * and essential data such as buffer address and size. * * Once the user has finished using the debug/profile engines, he should * set the device into non-debug mode, i.e. disable debug mode. * * The driver can decide to "kick out" the user if he abuses this interface. * */ #define DRM_IOCTL_HL_DEBUG DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_DEBUG, struct hl_debug_args) #define HL_COMMAND_START (DRM_COMMAND_BASE + HL_IOCTL_INFO) #define HL_COMMAND_END (DRM_COMMAND_BASE + HL_IOCTL_DEBUG + 1) #endif /* HABANALABS_H_ */