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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
*
* Copyright 2016-2018 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 */
/*
* 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,
GOYA_QUEUE_ID_DMA_2,
GOYA_QUEUE_ID_DMA_3,
GOYA_QUEUE_ID_DMA_4,
GOYA_QUEUE_ID_CPU_PQ,
GOYA_QUEUE_ID_MME, /* Internal queues start here */
GOYA_QUEUE_ID_TPC0,
GOYA_QUEUE_ID_TPC1,
GOYA_QUEUE_ID_TPC2,
GOYA_QUEUE_ID_TPC3,
GOYA_QUEUE_ID_TPC4,
GOYA_QUEUE_ID_TPC5,
GOYA_QUEUE_ID_TPC6,
GOYA_QUEUE_ID_TPC7,
GOYA_QUEUE_ID_SIZE
};
enum hl_device_status {
HL_DEVICE_STATUS_OPERATIONAL,
HL_DEVICE_STATUS_IN_RESET,
HL_DEVICE_STATUS_MALFUNCTION
};
/* Opcode for management ioctl */
#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_VERSION_MAX_LEN 128
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 reserved[3];
__u32 armcp_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 armcp_version[HL_INFO_VERSION_MAX_LEN];
};
struct hl_info_dram_usage {
__u64 dram_free_mem;
__u64 ctx_dram_mem;
};
struct hl_info_hw_idle {
__u32 is_idle;
__u32 pad;
};
struct hl_info_device_status {
__u32 status;
__u32 pad;
};
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;
/* Context ID - Currently not in use */
__u32 ctx_id;
__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
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 2MB. 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;
__u32 pad;
};
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 {
/*
* For external queue, this represents a Handle of CB on the Host
* For internal queue, this represents an SRAM or DRAM address of the
* internal CB
*/
__u64 cb_handle;
/* Index of queue to put the CB on */
__u32 queue_index;
/*
* Size of command buffer with valid packets
* Can be smaller then actual CB size
*/
__u32 cb_size;
/* HL_CS_CHUNK_FLAGS_* */
__u32 cs_chunk_flags;
/* Align structure to 64 bytes */
__u32 pad[11];
};
#define HL_CS_FLAGS_FORCE_RESTORE 0x1
#define HL_CS_STATUS_SUCCESS 0
struct hl_cs_in {
/* this holds address of array of hl_cs_chunk for restore phase */
__u64 chunks_restore;
/* this 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 */
__u32 num_chunks_restore;
/* Number of chunks in execution array */
__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 alloc 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 memory */
#define HL_MEM_OP_MAP 2
/* Opcode to unmap previously mapped host 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.
* KMD 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 KMD
* 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.
* KMD 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 KMD
* 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 */
#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 b
|