/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note * * Copyright 2016-2020 HabanaLabs, Ltd. * All Rights Reserved. * */ #ifndef HABANALABS_H_ #define HABANALABS_H_ #include <linux/types.h> #include <linux/ioctl.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 */ #define GAUDI_FIRST_AVAILABLE_W_S_SYNC_OBJECT 48 #define GAUDI_FIRST_AVAILABLE_W_S_MONITOR 24 /* * 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, /* external */ GAUDI_QUEUE_ID_DMA_5_1 = 22, /* external */ GAUDI_QUEUE_ID_DMA_5_2 = 23, /* external */ GAUDI_QUEUE_ID_DMA_5_3 = 24, /* external */ 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 }; /* * 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 hl_device_status { HL_DEVICE_STATUS_OPERATIONAL, HL_DEVICE_STATUS_IN_RESET, HL_DEVICE_STATUS_MALFUNCTION }; /* 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 */ #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_VERSION_MAX_LEN 128 #define HL_INFO_CARD_NAME_MAX_LEN 16 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; /* PCI Device ID */ __u32 module_id; /* For mezzanine cards in servers (From OCP spec.) */ __u32 reserved[2]; __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 pad[2]; __u8 cpucp_version[HL_INFO_VERSION_MAX_LEN]; __u8 card_name[HL_INFO_CARD_NAME_MAX_LEN]; }; struct hl_info_dram_usage { __u64 dram_free_mem; __u64 ctx_dram_mem; }; struct hl_info_hw_idle { __u32 is_idle; /* * Bitmask of busy engines. * Bits definition is according to `enum <chip>_enging_id'. */ __u32 busy_engines_mask; /* * Extended Bitmask of busy engines. * Bits definition is according to `enum <chip>_enging_id'. */ __u64 busy_engines_mask_ext; }; 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; }; /** * 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; }; #define HL_CLK_THROTTLE_POWER 0x1 #define HL_CLK_THROTTLE_THERMAL 0x2 /** * struct hl_info_clk_throttle - clock throttling reason * @clk_throttling_reason: each bit represents a clk throttling reason */ struct hl_info_clk_throttle { __u32 clk_throttling_reason; }; /** * struct hl_info_energy - device energy information * @total_energy_consumption: total device energy consumption */ struct hl_info_energy { __u64 total_energy_consumption; }; /** * struct hl_info_sync_manager - sync manager information * @first_available_sync_object: first available sob * @first_available_monitor: first available monitor */ struct hl_info_sync_manager { __u32 first_available_sync_object; __u32 first_available_monitor; }; /** * struct hl_info_cs_counters - command submission counters * @out_of_mem_drop_cnt: dropped due to memory allocation issue * @parsing_drop_cnt: dropped due to error in packet parsing * @queue_full_drop_cnt: dropped due to queue full * @device_in_reset_drop_cnt: dropped due to device in reset * @max_cs_in_flight_drop_cnt: dropped due to maximum CS in-flight */ struct hl_cs_counters { __u64 out_of_mem_drop_cnt; __u64 parsing_drop_cnt; __u64 queue_full_drop_cnt; __u64 device_in_reset_drop_cnt; __u64 max_cs_in_flight_drop_cnt; }; struct hl_info_cs_counters { struct hl_cs_counters cs_counters; struct hl_cs_counters ctx_cs_counters; }; enum gaudi_dcores { HL_GAUDI_WS_DCORE, HL_GAUDI_WN_DCORE, HL_GAUDI_EN_DCORE, HL_GAUDI_ES_DCORE }; struct hl_info_args { /* Location of relevant struct in userspace */ __u64 return_pointer; /* * The size of the return value. 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) */ __u32 return_size; /* HL_INFO_* */ __u32 op; union { /* Dcore id for which the information is relevant. * For Gaudi refer to 'enum gaudi_dcores' */ __u32 dcore_id; /* Context ID - Currently not in use */ __u32 ctx_id; /* Period value for utilization rate (100ms - 1000ms, in 100ms * resolution. */ __u32 period_ms; }; __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 /* 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 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 { /* Handle of CB */ __u64 cb_handle; }; union hl_cb_args { struct hl_cb_in in; struct hl_cb_out out; }; /* * This structure size must always be fixed to 64-bytes for backward * compatibility */ struct hl_cs_chunk { union { /* 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. * * 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 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; }; /* 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 is set. * Number of entries in signal_seq_arr */ __u32 num_signal_seq_arr; }; /* HL_CS_CHUNK_FLAGS_* */ __u32 cs_chunk_flags; /* Align structure to 64 bytes */ __u32 pad[11]; }; /* SIGNAL and 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_STATUS_SUCCESS 0 #define HL_MAX_JOBS_PER_CS 512 struct hl_cs_in { /* 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; /* this holds address of array of hl_cs_chunk for store phase - * Currently not in use */ __u64 chunks_store; /* 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; /* Number of chunks in restore phase array - Currently not in use */ __u32 num_chunks_store; /* HL_CS_FLAGS_* */ __u32 cs_flags; /* Context ID - Currently not in use */ __u32 ctx_id; }; struct hl_cs_out { /* * 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; /* HL_CS_STATUS_* */ __u32 status; __u32 pad; }; union hl_cs_args { struct hl_cs_in in; struct hl_cs_out out; }; struct hl_wait_cs_in { /* Command submission sequence number */ __u64 seq; /* Absolute timeout to wait in microseconds */ __u64 timeout_us; /* Context ID - Currently not in use */ __u32 ctx_id; __u32 pad; }; #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_INTERRUPTED 4 struct hl_wait_cs_out { /* HL_WAIT_CS_STATUS_* */ __u32 status; __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 /* Memory flags */ #define HL_MEM_CONTIGUOUS 0x1 #define HL_MEM_SHARED 0x2 #define HL_MEM_USERPTR 0x4 struct hl_mem_in { union { /* HL_MEM_OP_ALLOC- allocate device memory */ struct { /* Size to alloc */ __u64 mem_size; } alloc; /* HL_MEM_OP_FREE - free device memory */ struct { /* Handle returned from HL_MEM_OP_ALLOC */ __u64 handle; } free; /* HL_MEM_OP_MAP - map device memory */ struct { /* * 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. */ __u64 hint_addr; /* Handle returned from HL_MEM_OP_ALLOC */ __u64 handle; } map_device; /* HL_MEM_OP_MAP - map host memory */ struct { /* Address of allocated host memory */ __u64 host_virt_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. */ __u64 hint_addr; /* Size of allocated host memory */ __u64 mem_size; } map_host; /* HL_MEM_OP_UNMAP - unmap host memory */ struct { /* Virtual address returned from HL_MEM_OP_MAP */ __u64 device_virt_addr; } unmap; }; /* HL_MEM_OP_* */ __u32 op; /* HL_MEM_* flags */ __u32 flags; /* Context ID - Currently not in use */ __u32 ctx_id; __u32 pad; }; 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 for HL_MEM_OP_ALLOC. This is the assigned * handle for the allocated memory */ __u64 handle; }; }; 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; __u32 pad; }; 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; __u32 pad; }; /* 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; }; /* * 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 HL_IOCTL_INFO \ _IOWR('H', 0x01, 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 HL_IOCTL_CB \ _IOWR('H', 0x02, 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 three sets of JOBS. One set is for "restore" phase, * a second set is for "execution" phase and a third set is for "store" 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 * * 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. * * 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. * * 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 * external 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 HL_IOCTL_CS \ _IOWR('H', 0x03, 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 inside the IOCTL which can be: * * 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) * HL_WAIT_CS_STATUS_INTERRUPTED - Waiting for the CS was interrupted (EINTR) * */ #define HL_IOCTL_WAIT_CS \ _IOWR('H', 0x04, 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 HL_IOCTL_MEMORY \ _IOWR('H', 0x05, 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 HL_IOCTL_DEBUG \ _IOWR('H', 0x06, struct hl_debug_args) #define HL_COMMAND_START 0x01 #define HL_COMMAND_END 0x07 #endif /* HABANALABS_H_ */