diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/habanalabs.h')
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs.h | 458 |
1 files changed, 365 insertions, 93 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h index 6ed974d2def0..571eda6ef5ab 100644 --- a/drivers/misc/habanalabs/common/habanalabs.h +++ b/drivers/misc/habanalabs/common/habanalabs.h @@ -10,6 +10,7 @@ #include "../include/common/cpucp_if.h" #include "../include/common/qman_if.h" +#include "../include/hw_ip/mmu/mmu_general.h" #include <uapi/misc/habanalabs.h> #include <linux/cdev.h> @@ -19,6 +20,10 @@ #include <linux/scatterlist.h> #include <linux/hashtable.h> #include <linux/bitfield.h> +#include <linux/genalloc.h> +#include <linux/sched/signal.h> +#include <linux/io-64-nonatomic-lo-hi.h> +#include <linux/coresight.h> #define HL_NAME "habanalabs" @@ -36,7 +41,9 @@ #define HL_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFull >> PAGE_SHIFT) #define HL_MMAP_OFFSET_VALUE_GET(off) (off & HL_MMAP_OFFSET_VALUE_MASK) -#define HL_PENDING_RESET_PER_SEC 30 +#define HL_PENDING_RESET_PER_SEC 10 +#define HL_PENDING_RESET_MAX_TRIALS 60 /* 10 minutes */ +#define HL_PENDING_RESET_LONG_SEC 60 #define HL_HARD_RESET_MAX_TIMEOUT 120 @@ -61,15 +68,29 @@ /* MMU */ #define MMU_HASH_TABLE_BITS 7 /* 1 << 7 buckets */ +/** + * enum hl_mmu_page_table_locaion - mmu page table location + * @MMU_DR_PGT: page-table is located on device DRAM. + * @MMU_HR_PGT: page-table is located on host memory. + * @MMU_NUM_PGT_LOCATIONS: number of page-table locations currently supported. + */ +enum hl_mmu_page_table_location { + MMU_DR_PGT = 0, /* device-dram-resident MMU PGT */ + MMU_HR_PGT, /* host resident MMU PGT */ + MMU_NUM_PGT_LOCATIONS /* num of PGT locations */ +}; + /* * HL_RSVD_SOBS 'sync stream' reserved sync objects per QMAN stream * HL_RSVD_MONS 'sync stream' reserved monitors per QMAN stream */ -#define HL_RSVD_SOBS 4 -#define HL_RSVD_MONS 2 +#define HL_RSVD_SOBS 2 +#define HL_RSVD_MONS 1 -#define HL_RSVD_SOBS_IN_USE 2 -#define HL_RSVD_MONS_IN_USE 1 +/* + * HL_COLLECTIVE_RSVD_MSTR_MONS 'collective' reserved monitors per QMAN stream + */ +#define HL_COLLECTIVE_RSVD_MSTR_MONS 2 #define HL_MAX_SOB_VAL (1 << 15) @@ -80,6 +101,28 @@ #define HL_MAX_DCORES 4 +#define HL_MAX_SOBS_PER_MONITOR 8 + +/** + * struct hl_gen_wait_properties - properties for generating a wait CB + * @data: command buffer + * @q_idx: queue id is used to extract fence register address + * @size: offset in command buffer + * @sob_base: SOB base to use in this wait CB + * @sob_val: SOB value to wait for + * @mon_id: monitor to use in this wait CB + * @sob_mask: each bit represents a SOB offset from sob_base to be used + */ +struct hl_gen_wait_properties { + void *data; + u32 q_idx; + u32 size; + u16 sob_base; + u16 sob_val; + u16 mon_id; + u8 sob_mask; +}; + /** * struct pgt_info - MMU hop page info. * @node: hash linked-list node for the pgts shadow hash of pgts. @@ -125,6 +168,18 @@ enum hl_fw_component { }; /** + * enum hl_fw_types - F/W types to load + * @FW_TYPE_LINUX: Linux image for device CPU + * @FW_TYPE_BOOT_CPU: Boot image for device CPU + * @FW_TYPE_ALL_TYPES: Mask for all types + */ +enum hl_fw_types { + FW_TYPE_LINUX = 0x1, + FW_TYPE_BOOT_CPU = 0x2, + FW_TYPE_ALL_TYPES = (FW_TYPE_LINUX | FW_TYPE_BOOT_CPU) +}; + +/** * enum hl_queue_type - Supported QUEUE types. * @QUEUE_TYPE_NA: queue is not available. * @QUEUE_TYPE_EXT: external queue which is a DMA channel that may access the @@ -146,7 +201,8 @@ enum hl_queue_type { enum hl_cs_type { CS_TYPE_DEFAULT, CS_TYPE_SIGNAL, - CS_TYPE_WAIT + CS_TYPE_WAIT, + CS_TYPE_COLLECTIVE_WAIT }; /* @@ -176,6 +232,17 @@ struct hl_outbound_pci_region { }; /* + * enum queue_cb_alloc_flags - Indicates queue support for CBs that + * allocated by Kernel or by User + * @CB_ALLOC_KERNEL: support only CBs that allocated by Kernel + * @CB_ALLOC_USER: support only CBs that allocated by User + */ +enum queue_cb_alloc_flags { + CB_ALLOC_KERNEL = 0x1, + CB_ALLOC_USER = 0x2 +}; + +/* * struct hl_hw_sob - H/W SOB info. * @hdev: habanalabs device structure. * @kref: refcount of this SOB. The SOB will reset once the refcount is zero. @@ -189,19 +256,29 @@ struct hl_hw_sob { u32 q_idx; }; +enum hl_collective_mode { + HL_COLLECTIVE_NOT_SUPPORTED = 0x0, + HL_COLLECTIVE_MASTER = 0x1, + HL_COLLECTIVE_SLAVE = 0x2 +}; + /** * struct hw_queue_properties - queue information. * @type: queue type. + * @queue_cb_alloc_flags: bitmap which indicates if the hw queue supports CB + * that allocated by the Kernel driver and therefore, + * a CB handle can be provided for jobs on this queue. + * Otherwise, a CB address must be provided. + * @collective_mode: collective mode of current queue * @driver_only: true if only the driver is allowed to send a job to this queue, * false otherwise. - * @requires_kernel_cb: true if a CB handle must be provided for jobs on this - * queue, false otherwise (a CB address must be provided). * @supports_sync_stream: True if queue supports sync stream */ struct hw_queue_properties { enum hl_queue_type type; + enum queue_cb_alloc_flags cb_alloc_flags; + enum hl_collective_mode collective_mode; u8 driver_only; - u8 requires_kernel_cb; u8 supports_sync_stream; }; @@ -227,6 +304,8 @@ enum hl_device_hw_state { HL_DEVICE_HW_STATE_DIRTY }; +#define HL_MMU_VA_ALIGNMENT_NOT_NEEDED 0 + /** * struct hl_mmu_properties - ASIC specific MMU address translation properties. * @start_addr: virtual start address of the memory region. @@ -245,6 +324,8 @@ enum hl_device_hw_state { * @hop5_mask: mask to get the PTE address in hop 5. * @page_size: default page size used to allocate memory. * @num_hops: The amount of hops supported by the translation table. + * @host_resident: Should the MMU page table reside in host memory or in the + * device DRAM. */ struct hl_mmu_properties { u64 start_addr; @@ -263,6 +344,7 @@ struct hl_mmu_properties { u64 hop5_mask; u32 page_size; u32 num_hops; + u8 host_resident; }; /** @@ -314,6 +396,14 @@ struct hl_mmu_properties { * @cb_pool_cb_size: size of each CB in the CB pool. * @max_pending_cs: maximum of concurrent pending command submissions * @max_queues: maximum amount of queues in the system + * @fw_boot_cpu_security_map: bitmap representation of boot cpu security status + * reported by FW, bit description can be found in + * CPU_BOOT_DEV_STS* + * @fw_app_security_map: bitmap representation of application security status + * reported by FW, bit description can be found in + * CPU_BOOT_DEV_STS* + * @collective_first_sob: first sync object available for collective use + * @collective_first_mon: first monitor available for collective use * @sync_stream_first_sob: first sync object available for sync stream use * @sync_stream_first_mon: first monitor available for sync stream use * @first_available_user_sob: first sob available for the user @@ -322,6 +412,10 @@ struct hl_mmu_properties { * @completion_queues_count: number of completion queues. * @fw_security_disabled: true if security measures are disabled in firmware, * false otherwise + * @fw_security_status_valid: security status bits are valid and can be fetched + * from BOOT_DEV_STS0 + * @dram_supports_virtual_memory: is there an MMU towards the DRAM + * @hard_reset_done_by_fw: true if firmware is handling hard reset flow */ struct asic_fixed_properties { struct hw_queue_properties *hw_queues_props; @@ -366,6 +460,10 @@ struct asic_fixed_properties { u32 cb_pool_cb_size; u32 max_pending_cs; u32 max_queues; + u32 fw_boot_cpu_security_map; + u32 fw_app_security_map; + u16 collective_first_sob; + u16 collective_first_mon; u16 sync_stream_first_sob; u16 sync_stream_first_mon; u16 first_available_user_sob[HL_MAX_DCORES]; @@ -373,6 +471,9 @@ struct asic_fixed_properties { u8 tpc_enabled_mask; u8 completion_queues_count; u8 fw_security_disabled; + u8 fw_security_status_valid; + u8 dram_supports_virtual_memory; + u8 hard_reset_done_by_fw; }; /** @@ -380,12 +481,14 @@ struct asic_fixed_properties { * @completion: fence is implemented using completion * @refcount: refcount for this fence * @error: mark this fence with error + * @timestamp: timestamp upon completion * */ struct hl_fence { struct completion completion; struct kref refcount; int error; + ktime_t timestamp; }; /** @@ -397,6 +500,7 @@ struct hl_fence { * @cs_seq: command submission sequence number. * @type: type of the CS - signal/wait. * @sob_val: the SOB value that is used in this signal/wait CS. + * @sob_group: the SOB group that is used in this collective wait CS. */ struct hl_cs_compl { struct hl_fence base_fence; @@ -406,6 +510,7 @@ struct hl_cs_compl { u64 cs_seq; enum hl_cs_type type; u16 sob_val; + u16 sob_group; }; /* @@ -427,7 +532,7 @@ struct hl_cb_mgr { * @refcount: reference counter for usage of the CB. * @hdev: pointer to device this CB belongs to. * @ctx: pointer to the CB owner's context. - * @lock: spinlock to protect mmap/cs flows. + * @lock: spinlock to protect mmap flows. * @debugfs_list: node in debugfs list of command buffers. * @pool_list: node in pool list of command buffers. * @va_block_list: list of virtual addresses blocks of the CB if it is mapped to @@ -456,7 +561,7 @@ struct hl_cb { dma_addr_t bus_address; u32 mmap_size; u32 size; - u32 cs_cnt; + atomic_t cs_cnt; u8 mmap; u8 is_pool; u8 is_internal; @@ -468,6 +573,7 @@ struct hl_cb { * QUEUES */ +struct hl_cs; struct hl_cs_job; /* Queue length of external and HW queues */ @@ -490,10 +596,38 @@ struct hl_cs_job; #define HL_CPU_ACCESSIBLE_MEM_SIZE SZ_2M /** - * struct hl_hw_queue - describes a H/W transport queue. + * struct hl_sync_stream_properties - + * describes a H/W queue sync stream properties * @hw_sob: array of the used H/W SOBs by this H/W queue. + * @next_sob_val: the next value to use for the currently used SOB. + * @base_sob_id: the base SOB id of the SOBs used by this queue. + * @base_mon_id: the base MON id of the MONs used by this queue. + * @collective_mstr_mon_id: the MON ids of the MONs used by this master queue + * in order to sync with all slave queues. + * @collective_slave_mon_id: the MON id used by this slave queue in order to + * sync with its master queue. + * @collective_sob_id: current SOB id used by this collective slave queue + * to signal its collective master queue upon completion. + * @curr_sob_offset: the id offset to the currently used SOB from the + * HL_RSVD_SOBS that are being used by this queue. + */ +struct hl_sync_stream_properties { + struct hl_hw_sob hw_sob[HL_RSVD_SOBS]; + u16 next_sob_val; + u16 base_sob_id; + u16 base_mon_id; + u16 collective_mstr_mon_id[HL_COLLECTIVE_RSVD_MSTR_MONS]; + u16 collective_slave_mon_id; + u16 collective_sob_id; + u8 curr_sob_offset; +}; + +/** + * struct hl_hw_queue - describes a H/W transport queue. * @shadow_queue: pointer to a shadow queue that holds pointers to jobs. + * @sync_stream_prop: sync stream queue properties * @queue_type: type of queue. + * @collective_mode: collective mode of current queue * @kernel_address: holds the queue's kernel virtual address. * @bus_address: holds the queue's DMA address. * @pi: holds the queue's pi value. @@ -502,33 +636,25 @@ struct hl_cs_job; * @cq_id: the id for the corresponding CQ for this H/W queue. * @msi_vec: the IRQ number of the H/W queue. * @int_queue_len: length of internal queue (number of entries). - * @next_sob_val: the next value to use for the currently used SOB. - * @base_sob_id: the base SOB id of the SOBs used by this queue. - * @base_mon_id: the base MON id of the MONs used by this queue. * @valid: is the queue valid (we have array of 32 queues, not all of them * exist). - * @curr_sob_offset: the id offset to the currently used SOB from the - * HL_RSVD_SOBS that are being used by this queue. * @supports_sync_stream: True if queue supports sync stream */ struct hl_hw_queue { - struct hl_hw_sob hw_sob[HL_RSVD_SOBS]; - struct hl_cs_job **shadow_queue; - enum hl_queue_type queue_type; - void *kernel_address; - dma_addr_t bus_address; - u32 pi; - atomic_t ci; - u32 hw_queue_id; - u32 cq_id; - u32 msi_vec; - u16 int_queue_len; - u16 next_sob_val; - u16 base_sob_id; - u16 base_mon_id; - u8 valid; - u8 curr_sob_offset; - u8 supports_sync_stream; + struct hl_cs_job **shadow_queue; + struct hl_sync_stream_properties sync_stream_prop; + enum hl_queue_type queue_type; + enum hl_collective_mode collective_mode; + void *kernel_address; + dma_addr_t bus_address; + u32 pi; + atomic_t ci; + u32 hw_queue_id; + u32 cq_id; + u32 msi_vec; + u16 int_queue_len; + u8 valid; + u8 supports_sync_stream; }; /** @@ -650,6 +776,7 @@ enum div_select_defs { * dma_free_coherent(). This is ASIC function because * its implementation is not trivial when the driver * is loaded in simulation mode (not upstreamed). + * @scrub_device_mem: Scrub device memory given an address and size * @get_int_queue_base: get the internal queue base address. * @test_queues: run simple test on all queues for sanity check. * @asic_dma_pool_zalloc: small DMA allocation of coherent memory from DMA pool. @@ -700,6 +827,7 @@ enum div_select_defs { * @wreg: Write a register. Needed for simulator support. * @halt_coresight: stop the ETF and ETR traces. * @ctx_init: context dependent initialization. + * @ctx_fini: context dependent cleanup. * @get_clk_rate: Retrieve the ASIC current and maximum clock rate in MHz * @get_queue_id_for_cq: Get the H/W queue id related to the given CQ index. * @read_device_fw_version: read the device's firmware versions that are @@ -711,9 +839,13 @@ enum div_select_defs { * @gen_signal_cb: Generate a signal CB. * @gen_wait_cb: Generate a wait CB. * @reset_sob: Reset a SOB. + * @reset_sob_group: Reset SOB group * @set_dma_mask_from_fw: set the DMA mask in the driver according to the * firmware configuration * @get_device_time: Get the device time. + * @collective_wait_init_cs: Generate collective master/slave packets + * and place them in the relevant cs jobs + * @collective_wait_create_jobs: allocate collective wait cs jobs */ struct hl_asic_funcs { int (*early_init)(struct hl_device *hdev); @@ -736,6 +868,7 @@ struct hl_asic_funcs { dma_addr_t *dma_handle, gfp_t flag); void (*asic_dma_free_coherent)(struct hl_device *hdev, size_t size, void *cpu_addr, dma_addr_t dma_handle); + int (*scrub_device_mem)(struct hl_device *hdev, u64 addr, u64 size); void* (*get_int_queue_base)(struct hl_device *hdev, u32 queue_id, dma_addr_t *dma_handle, u16 *queue_len); int (*test_queues)(struct hl_device *hdev); @@ -794,28 +927,34 @@ struct hl_asic_funcs { int (*get_eeprom_data)(struct hl_device *hdev, void *data, size_t max_size); int (*send_cpu_message)(struct hl_device *hdev, u32 *msg, - u16 len, u32 timeout, long *result); - enum hl_device_hw_state (*get_hw_state)(struct hl_device *hdev); + u16 len, u32 timeout, u64 *result); int (*pci_bars_map)(struct hl_device *hdev); int (*init_iatu)(struct hl_device *hdev); u32 (*rreg)(struct hl_device *hdev, u32 reg); void (*wreg)(struct hl_device *hdev, u32 reg, u32 val); void (*halt_coresight)(struct hl_device *hdev); int (*ctx_init)(struct hl_ctx *ctx); + void (*ctx_fini)(struct hl_ctx *ctx); int (*get_clk_rate)(struct hl_device *hdev, u32 *cur_clk, u32 *max_clk); u32 (*get_queue_id_for_cq)(struct hl_device *hdev, u32 cq_idx); - void (*read_device_fw_version)(struct hl_device *hdev, + int (*read_device_fw_version)(struct hl_device *hdev, enum hl_fw_component fwc); int (*load_firmware_to_device)(struct hl_device *hdev); int (*load_boot_fit_to_device)(struct hl_device *hdev); u32 (*get_signal_cb_size)(struct hl_device *hdev); u32 (*get_wait_cb_size)(struct hl_device *hdev); - void (*gen_signal_cb)(struct hl_device *hdev, void *data, u16 sob_id); - void (*gen_wait_cb)(struct hl_device *hdev, void *data, u16 sob_id, - u16 sob_val, u16 mon_id, u32 q_idx); + u32 (*gen_signal_cb)(struct hl_device *hdev, void *data, u16 sob_id, + u32 size); + u32 (*gen_wait_cb)(struct hl_device *hdev, + struct hl_gen_wait_properties *prop); void (*reset_sob)(struct hl_device *hdev, void *data); + void (*reset_sob_group)(struct hl_device *hdev, u16 sob_group); void (*set_dma_mask_from_fw)(struct hl_device *hdev); u64 (*get_device_time)(struct hl_device *hdev); + void (*collective_wait_init_cs)(struct hl_cs *cs); + int (*collective_wait_create_jobs)(struct hl_device *hdev, + struct hl_ctx *ctx, struct hl_cs *cs, u32 wait_queue_id, + u32 collective_engine_id); }; @@ -826,17 +965,48 @@ struct hl_asic_funcs { #define HL_KERNEL_ASID_ID 0 /** + * enum hl_va_range_type - virtual address range type. + * @HL_VA_RANGE_TYPE_HOST: range type of host pages + * @HL_VA_RANGE_TYPE_HOST_HUGE: range type of host huge pages + * @HL_VA_RANGE_TYPE_DRAM: range type of dram pages + */ +enum hl_va_range_type { + HL_VA_RANGE_TYPE_HOST, + HL_VA_RANGE_TYPE_HOST_HUGE, + HL_VA_RANGE_TYPE_DRAM, + HL_VA_RANGE_TYPE_MAX +}; + +/** * struct hl_va_range - virtual addresses range. * @lock: protects the virtual addresses list. * @list: list of virtual addresses blocks available for mappings. * @start_addr: range start address. * @end_addr: range end address. + * @page_size: page size of this va range. */ struct hl_va_range { struct mutex lock; struct list_head list; u64 start_addr; u64 end_addr; + u32 page_size; +}; + +/** + * struct hl_cs_counters_atomic - 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_atomic { + atomic64_t out_of_mem_drop_cnt; + atomic64_t parsing_drop_cnt; + atomic64_t queue_full_drop_cnt; + atomic64_t device_in_reset_drop_cnt; + atomic64_t max_cs_in_flight_drop_cnt; }; /** @@ -849,14 +1019,12 @@ struct hl_va_range { * @refcount: reference counter for the context. Context is released only when * this hits 0l. It is incremented on CS and CS_WAIT. * @cs_pending: array of hl fence objects representing pending CS. - * @host_va_range: holds available virtual addresses for host mappings. - * @host_huge_va_range: holds available virtual addresses for host mappings - * with huge pages. - * @dram_va_range: holds available virtual addresses for DRAM mappings. + * @va_range: holds available virtual addresses for host and dram mappings. * @mem_hash_lock: protects the mem_hash. * @mmu_lock: protects the MMU page tables. Any change to the PGT, modifying the * MMU hash or walking the PGT requires talking this lock. * @debugfs_list: node in debugfs list of contexts. + * @cs_counters: context command submission counters. * @cb_va_pool: device VA pool for command buffers which are mapped to the * device's MMU. * @cs_sequence: sequence number for CS. Value is assigned to a CS and passed @@ -879,26 +1047,24 @@ struct hl_va_range { struct hl_ctx { DECLARE_HASHTABLE(mem_hash, MEM_HASH_TABLE_BITS); DECLARE_HASHTABLE(mmu_shadow_hash, MMU_HASH_TABLE_BITS); - struct hl_fpriv *hpriv; - struct hl_device *hdev; - struct kref refcount; - struct hl_fence **cs_pending; - struct hl_va_range *host_va_range; - struct hl_va_range *host_huge_va_range; - struct hl_va_range *dram_va_range; - struct mutex mem_hash_lock; - struct mutex mmu_lock; - struct list_head debugfs_list; - struct hl_cs_counters cs_counters; - struct gen_pool *cb_va_pool; - u64 cs_sequence; - u64 *dram_default_hops; - spinlock_t cs_lock; - atomic64_t dram_phys_mem; - atomic_t thread_ctx_switch_token; - u32 thread_ctx_switch_wait_token; - u32 asid; - u32 handle; + struct hl_fpriv *hpriv; + struct hl_device *hdev; + struct kref refcount; + struct hl_fence **cs_pending; + struct hl_va_range *va_range[HL_VA_RANGE_TYPE_MAX]; + struct mutex mem_hash_lock; + struct mutex mmu_lock; + struct list_head debugfs_list; + struct hl_cs_counters_atomic cs_counters; + struct gen_pool *cb_va_pool; + u64 cs_sequence; + u64 *dram_default_hops; + spinlock_t cs_lock; + atomic64_t dram_phys_mem; + atomic_t thread_ctx_switch_token; + u32 thread_ctx_switch_wait_token; + u32 asid; + u32 handle; }; /** @@ -963,6 +1129,7 @@ struct hl_userptr { * @tdr_active: true if TDR was activated for this CS (to prevent * double TDR activation). * @aborted: true if CS was aborted due to some device error. + * @timestamp: true if a timestmap must be captured upon completion */ struct hl_cs { u16 *jobs_in_queue_cnt; @@ -983,6 +1150,7 @@ struct hl_cs { u8 timedout; u8 tdr_active; u8 aborted; + u8 timestamp; }; /** @@ -996,6 +1164,7 @@ struct hl_cs { * @userptr_list: linked-list of userptr mappings that belong to this job and * wait for completion. * @debugfs_list: node in debugfs list of command submission jobs. + * @refcount: reference counter for usage of the CS job. * @queue_type: the type of the H/W queue this job is submitted to. * @id: the id of this job inside a CS. * @hw_queue_id: the id of the H/W queue this job is submitted to. @@ -1019,6 +1188,7 @@ struct hl_cs_job { struct work_struct finish_work; struct list_head userptr_list; struct list_head debugfs_list; + struct kref refcount; enum hl_queue_type queue_type; u32 id; u32 hw_queue_id; @@ -1067,7 +1237,6 @@ struct hl_cs_parser { u8 contains_dma_pkt; }; - /* * MEMORY STRUCTURE */ @@ -1285,6 +1454,10 @@ struct hl_dbg_device_entry { * DEVICES */ +#define HL_STR_MAX 32 + +#define HL_DEV_STS_MAX (HL_DEVICE_STATUS_NEEDS_RESET + 1) + /* Theoretical limit only. A single host can only contain up to 4 or 8 PCIe * x16 cards. In extreme cases, there are hosts that can accommodate 16 cards. */ @@ -1428,11 +1601,13 @@ struct hwmon_chip_info; /** * struct hl_device_reset_work - reset workqueue task wrapper. + * @wq: work queue for device reset procedure. * @reset_work: reset work to be done. * @hdev: habanalabs device structure. */ struct hl_device_reset_work { - struct work_struct reset_work; + struct workqueue_struct *wq; + struct delayed_work reset_work; struct hl_device *hdev; }; @@ -1446,18 +1621,78 @@ struct hl_device_idle_busy_ts { ktime_t busy_to_idle_ts; }; +/** + * struct hr_mmu_hop_addrs - used for holding per-device host-resident mmu hop + * information. + * @virt_addr: the virtual address of the hop. + * @phys-addr: the physical address of the hop (used by the device-mmu). + * @shadow_addr: The shadow of the hop used by the driver for walking the hops. + */ +struct hr_mmu_hop_addrs { + u64 virt_addr; + u64 phys_addr; + u64 shadow_addr; +}; /** - * struct hl_mmu_priv - used for holding per-device mmu internal information. + * struct hl_mmu_hr_pgt_priv - used for holding per-device mmu host-resident + * page-table internal information. * @mmu_pgt_pool: pool of page tables used by MMU for allocating hops. * @mmu_shadow_hop0: shadow array of hop0 tables. */ -struct hl_mmu_priv { +struct hl_mmu_hr_priv { + struct gen_pool *mmu_pgt_pool; + struct hr_mmu_hop_addrs *mmu_shadow_hop0; +}; + +/** + * struct hl_mmu_dr_pgt_priv - used for holding per-device mmu device-resident + * page-table internal information. + * @mmu_pgt_pool: pool of page tables used by MMU for allocating hops. + * @mmu_shadow_hop0: shadow array of hop0 tables. + */ +struct hl_mmu_dr_priv { struct gen_pool *mmu_pgt_pool; void *mmu_shadow_hop0; }; /** + * struct hl_mmu_priv - used for holding per-device mmu internal information. + * @dr: information on the device-resident MMU, when exists. + * @hr: information on the host-resident MMU, when exists. + */ +struct hl_mmu_priv { + struct hl_mmu_dr_priv dr; + struct hl_mmu_hr_priv hr; +}; + +/** + * struct hl_mmu_per_hop_info - A structure describing one TLB HOP and its entry + * that was created in order to translate a virtual address to a + * physical one. + * @hop_addr: The address of the hop. + * @hop_pte_addr: The address of the hop entry. + * @hop_pte_val: The value in the hop entry. + */ +struct hl_mmu_per_hop_info { + u64 hop_addr; + u64 hop_pte_addr; + u64 hop_pte_val; +}; + +/** + * struct hl_mmu_hop_info - A structure describing the TLB hops and their + * hop-entries that were created in order to translate a virtual address to a + * physical one. + * @hop_info: Array holding the per-hop information used for the translation. + * @used_hops: The number of hops used for the translation. + */ +struct hl_mmu_hop_info { + struct hl_mmu_per_hop_info hop_info[MMU_ARCH_5_HOPS]; + u32 used_hops; +}; + +/** * struct hl_mmu_funcs - Device related MMU functions. * @init: initialize the MMU module. * @fini: release the MMU module. @@ -1468,6 +1703,9 @@ struct hl_mmu_priv { * @flush: flush all writes from all cores to reach device MMU. * @swap_out: marks all mapping of the given context as swapped out. * @swap_in: marks all mapping of the given context as swapped in. + * @get_tlb_info: returns the list of hops and hop-entries used that were + * created in order to translate the giver virtual address to a + * physical one. */ struct hl_mmu_funcs { int (*init)(struct hl_device *hdev); @@ -1482,6 +1720,8 @@ struct hl_mmu_funcs { void (*flush)(struct hl_ctx *ctx); void (*swap_out)(struct hl_ctx *ctx); void (*swap_in)(struct hl_ctx *ctx); + int (*get_tlb_info)(struct hl_ctx *ctx, + u64 virt_addr, struct hl_mmu_hop_info *hops); }; /** @@ -1497,6 +1737,7 @@ struct hl_mmu_funcs { * @dev_ctrl: related kernel device structure for the control device * @work_freq: delayed work to lower device frequency if possible. * @work_heartbeat: delayed work for CPU-CP is-alive check. + * @device_reset_work: delayed work which performs hard reset * @asic_name: ASIC specific name. * @asic_type: ASIC specific type. * @completion_queue: array of hl_cq. @@ -1505,8 +1746,8 @@ struct hl_mmu_funcs { * @eq_wq: work queue of event queue for executing work in process context. * @kernel_ctx: Kernel driver context structure. * @kernel_queues: array of hl_hw_queue. - * @hw_queues_mirror_list: CS mirror list for TDR. - * @hw_queues_mirror_lock: protects hw_queues_mirror_list. + * @cs_mirror_list: CS mirror list for TDR. + * @cs_mirror_lock: protects cs_mirror_list. * @kernel_cb_mgr: command buffer manager for creating/destroying/handling CGs. * @event_queue: event queue for IRQ from CPU-CP. * @dma_pool: DMA pool for small allocations. @@ -1525,6 +1766,7 @@ struct hl_mmu_funcs { * @hwmon_dev: H/W monitor device. * @pm_mng_profile: current power management profile. * @hl_chip_info: ASIC's sensors information. + * @device_status_description: device status description. * @hl_debugfs: device's debugfs manager. * @cb_pool: list of preallocated CBs. * @cb_pool_lock: protects the CB pool. @@ -1572,13 +1814,12 @@ struct hl_mmu_funcs { * @heartbeat: is heartbeat sanity check towards CPU-CP enabled. * @reset_on_lockup: true if a reset should be done in case of stuck CS, false * otherwise. - * @dram_supports_virtual_memory: is MMU enabled towards DRAM. * @dram_default_page_mapping: is DRAM default page mapping enabled. + * @memory_scrub: true to perform device memory scrub in various locations, + * such as context-switch, context close, page free, etc. * @pmmu_huge_range: is a different virtual addresses range used for PMMU with * huge pages. * @init_done: is the initialization of the device done. - * @mmu_enable: is MMU enabled. - * @mmu_huge_page_opt: is MMU huge pages optimization enabled. * @device_cpu_disabled: is the device CPU disabled (due to timeouts) * @dma_mask: the dma mask that was set for this device * @in_debug: is device under debug. This, together with fpriv_list, enforces @@ -1589,9 +1830,16 @@ struct hl_mmu_funcs { * @stop_on_err: true if engines should stop on error. * @supports_sync_stream: is sync stream supported. * @sync_stream_queue_idx: helper index for sync stream queues initialization. + * @collective_mon_idx: helper index for collective initialization * @supports_coresight: is CoreSight supported. * @supports_soft_reset: is soft reset supported. * @supports_cb_mapping: is mapping a CB to the device's MMU supported. + * @needs_reset: true if reset_on_lockup is false and device should be reset + * due to lockup. + * @process_kill_trial_cnt: number of trials reset thread tried killing + * user processes + * @device_fini_pending: true if device_fini was called and might be + * waiting for the reset thread to finish */ struct hl_device { struct pci_dev *pdev; @@ -1604,15 +1852,17 @@ struct hl_device { struct device *dev_ctrl; struct delayed_work work_freq; struct delayed_work work_heartbeat; - char asic_name[32]; + struct hl_device_reset_work device_reset_work; + char asic_name[HL_STR_MAX]; + char status[HL_DEV_STS_MAX][HL_STR_MAX]; enum hl_asic_type asic_type; struct hl_cq *completion_queue; struct workqueue_struct **cq_wq; struct workqueue_struct *eq_wq; struct hl_ctx *kernel_ctx; struct hl_hw_queue *kernel_queues; - struct list_head hw_queues_mirror_list; - spinlock_t hw_queues_mirror_lock; + struct list_head cs_mirror_list; + spinlock_t cs_mirror_lock; struct hl_cb_mgr kernel_cb_mgr; struct hl_eq event_queue; struct dma_pool *dma_pool; @@ -1649,10 +1899,10 @@ struct hl_device { struct hl_device_idle_busy_ts *idle_busy_ts_arr; - struct hl_cs_counters aggregated_cs_counters; + struct hl_cs_counters_atomic aggregated_cs_counters; struct hl_mmu_priv mmu_priv; - struct hl_mmu_funcs mmu_func; + struct hl_mmu_funcs mmu_func[MMU_NUM_PGT_LOCATIONS]; atomic64_t dram_used_mem; u64 timeout_jiffies; @@ -1677,8 +1927,8 @@ struct hl_device { u8 hard_reset_pending; u8 heartbeat; u8 reset_on_lockup; - u8 dram_supports_virtual_memory; u8 dram_default_page_mapping; + u8 memory_scrub; u8 pmmu_huge_range; u8 init_done; u8 device_cpu_disabled; @@ -1689,17 +1939,22 @@ struct hl_device { u8 stop_on_err; u8 supports_sync_stream; u8 sync_stream_queue_idx; + u8 collective_mon_idx; u8 supports_coresight; u8 supports_soft_reset; u8 supports_cb_mapping; + u8 needs_reset; + u8 process_kill_trial_cnt; + u8 device_fini_pending; /* Parameters for bring-up */ + u64 nic_ports_mask; + u64 fw_loading; u8 mmu_enable; u8 mmu_huge_page_opt; u8 cpu_enable; u8 reset_pcilink; u8 cpu_queues_enable; - u8 fw_loading; u8 pldm; u8 axi_drain; u8 sram_scrambler_enable; @@ -1707,6 +1962,7 @@ struct hl_device { u8 hard_reset_on_fw_events; u8 bmc_enable; u8 rl_enable; + u8 reset_on_preboot_fail; }; @@ -1793,7 +2049,8 @@ static inline bool hl_mem_area_crosses_range(u64 address, u32 size, int hl_device_open(struct inode *inode, struct file *filp); int hl_device_open_ctrl(struct inode *inode, struct file *filp); -bool hl_device_disabled_or_in_reset(struct hl_device *hdev); +bool hl_device_operational(struct hl_device *hdev, + enum hl_device_status *status); enum hl_device_status hl_device_status(struct hl_device *hdev); int hl_device_set_debug_mode(struct hl_device *hdev, bool enable); int create_hdev(struct hl_device **dev, struct pci_dev *pdev, @@ -1878,8 +2135,10 @@ void hl_cs_rollback_all(struct hl_device *hdev); struct hl_cs_job *hl_cs_allocate_job(struct hl_device *hdev, enum hl_queue_type queue_type, bool is_kernel_allocated_cb); void hl_sob_reset_error(struct kref *ref); +int hl_gen_sob_mask(u16 sob_base, u8 sob_mask, u8 *mask); void hl_fence_put(struct hl_fence *fence); void hl_fence_get(struct hl_fence *fence); +void cs_get(struct hl_cs *cs); void goya_set_asic_funcs(struct hl_device *hdev); void gaudi_set_asic_funcs(struct hl_device *hdev); @@ -1890,6 +2149,10 @@ void hl_vm_ctx_fini(struct hl_ctx *ctx); int hl_vm_init(struct hl_device *hdev); void hl_vm_fini(struct hl_device *hdev); +u64 hl_reserve_va_block(struct hl_device *hdev, struct hl_ctx *ctx, + enum hl_va_range_type type, u32 size, u32 alignment); +int hl_unreserve_va_block(struct hl_device *hdev, struct hl_ctx *ctx, + u64 start_addr, u64 size); int hl_pin_host_memory(struct hl_device *hdev, u64 addr, u64 size, struct hl_userptr *userptr); void hl_unpin_host_memory(struct hl_device *hdev, struct hl_userptr *userptr); @@ -1903,20 +2166,26 @@ int hl_mmu_init(struct hl_device *hdev); void hl_mmu_fini(struct hl_device *hdev); int hl_mmu_ctx_init(struct hl_ctx *ctx); void hl_mmu_ctx_fini(struct hl_ctx *ctx); -int hl_mmu_map(struct hl_ctx *ctx, u64 virt_addr, u64 phys_addr, +int hl_mmu_map_page(struct hl_ctx *ctx, u64 virt_addr, u64 phys_addr, u32 page_size, bool flush_pte); -int hl_mmu_unmap(struct hl_ctx *ctx, u64 virt_addr, u32 page_size, +int hl_mmu_unmap_page(struct hl_ctx *ctx, u64 virt_addr, u32 page_size, bool flush_pte); +int hl_mmu_map_contiguous(struct hl_ctx *ctx, u64 virt_addr, + u64 phys_addr, u32 size); +int hl_mmu_unmap_contiguous(struct hl_ctx *ctx, u64 virt_addr, u32 size); void hl_mmu_swap_out(struct hl_ctx *ctx); void hl_mmu_swap_in(struct hl_ctx *ctx); int hl_mmu_if_set_funcs(struct hl_device *hdev); -void hl_mmu_v1_set_funcs(struct hl_device *hdev); +void hl_mmu_v1_set_funcs(struct hl_device *hdev, struct hl_mmu_funcs *mmu); +int hl_mmu_va_to_pa(struct hl_ctx *ctx, u64 virt_addr, u64 *phys_addr); +int hl_mmu_get_tlb_info(struct hl_ctx *ctx, u64 virt_addr, + struct hl_mmu_hop_info *hops); int hl_fw_load_fw_to_device(struct hl_device *hdev, const char *fw_name, - void __iomem *dst); + void __iomem *dst, u32 src_offset, u32 size); int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode); int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg, - u16 len, u32 timeout, long *result); + u16 len, u32 timeout, u64 *result); int hl_fw_unmask_irq(struct hl_device *hdev, u16 event_type); int hl_fw_unmask_irq_arr(struct hl_device *hdev, const u32 *irq_arr, size_t irq_arr_size); @@ -1926,18 +2195,22 @@ void *hl_fw_cpu_accessible_dma_pool_alloc(struct hl_device *hdev, size_t size, void hl_fw_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size, void *vaddr); int hl_fw_send_heartbeat(struct hl_device *hdev); -int hl_fw_cpucp_info_get(struct hl_device *hdev); +int hl_fw_cpucp_info_get(struct hl_device *hdev, + u32 cpu_security_boot_status_reg); int hl_fw_get_eeprom_data(struct hl_device *hdev, void *data, size_t max_size); int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev, struct hl_info_pci_counters *counters); int hl_fw_cpucp_total_energy_get(struct hl_device *hdev, u64 *total_energy); +int hl_fw_cpucp_pll_info_get(struct hl_device *hdev, u16 pll_index, + u16 *pll_freq_arr); int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg, u32 msg_to_cpu_reg, u32 cpu_msg_status_reg, - u32 boot_err0_reg, bool skip_bmc, - u32 cpu_timeout, u32 boot_fit_timeout); -int hl_fw_read_preboot_ver(struct hl_device *hdev, u32 cpu_boot_status_reg, - u32 boot_err0_reg, u32 timeout); + u32 cpu_security_boot_status_reg, u32 boot_err0_reg, + bool skip_bmc, u32 cpu_timeout, u32 boot_fit_timeout); +int hl_fw_read_preboot_status(struct hl_device *hdev, u32 cpu_boot_status_reg, + u32 cpu_security_boot_status_reg, u32 boot_err0_reg, + u32 timeout); int hl_pci_bars_map(struct hl_device *hdev, const char * const name[3], bool is_wc[3]); @@ -1946,8 +2219,7 @@ int hl_pci_set_inbound_region(struct hl_device *hdev, u8 region, struct hl_inbound_pci_region *pci_region); int hl_pci_set_outbound_region(struct hl_device *hdev, struct hl_outbound_pci_region *pci_region); -int hl_pci_init(struct hl_device *hdev, u32 cpu_boot_status_reg, - u32 boot_err0_reg, u32 preboot_ver_timeout); +int hl_pci_init(struct hl_device *hdev); void hl_pci_fini(struct hl_device *hdev); long hl_get_frequency(struct hl_device *hdev, u32 pll_index, bool curr); |