diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/habanalabs.h')
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs.h | 106 |
1 files changed, 97 insertions, 9 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h index 995167020c27..b06e2b0812b6 100644 --- a/drivers/misc/habanalabs/common/habanalabs.h +++ b/drivers/misc/habanalabs/common/habanalabs.h @@ -31,14 +31,15 @@ #define HL_NAME "habanalabs" /* Use upper bits of mmap offset to store habana driver specific information. - * bits[63:61] - Encode mmap type + * bits[63:59] - Encode mmap type * bits[45:0] - mmap offset value * * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these * defines are w.r.t to PAGE_SIZE */ -#define HL_MMAP_TYPE_SHIFT (61 - PAGE_SHIFT) -#define HL_MMAP_TYPE_MASK (0x7ull << HL_MMAP_TYPE_SHIFT) +#define HL_MMAP_TYPE_SHIFT (59 - PAGE_SHIFT) +#define HL_MMAP_TYPE_MASK (0x1full << HL_MMAP_TYPE_SHIFT) +#define HL_MMAP_TYPE_TS_BUFF (0x10ull << HL_MMAP_TYPE_SHIFT) #define HL_MMAP_TYPE_BLOCK (0x4ull << HL_MMAP_TYPE_SHIFT) #define HL_MMAP_TYPE_CB (0x2ull << HL_MMAP_TYPE_SHIFT) @@ -710,6 +711,40 @@ struct hl_cb_mgr { }; /** + * struct hl_ts_mgr - describes the timestamp registration memory manager. + * @ts_lock: protects ts_handles. + * @ts_handles: an idr to hold all ts bufferes handles. + */ +struct hl_ts_mgr { + spinlock_t ts_lock; + struct idr ts_handles; +}; + +/** + * struct hl_ts_buff - describes a timestamp buffer. + * @refcount: reference counter for usage of the buffer. + * @hdev: pointer to device this buffer belongs to. + * @mmap: true if the buff is currently mapped to user. + * @kernel_buff_address: Holds the internal buffer's kernel virtual address. + * @user_buff_address: Holds the user buffer's kernel virtual address. + * @id: the buffer ID. + * @mmap_size: Holds the buffer size that was mmaped. + * @kernel_buff_size: Holds the internal kernel buffer size. + * @user_buff_size: Holds the user buffer size. + */ +struct hl_ts_buff { + struct kref refcount; + struct hl_device *hdev; + atomic_t mmap; + void *kernel_buff_address; + void *user_buff_address; + u32 id; + u32 mmap_size; + u32 kernel_buff_size; + u32 user_buff_size; +}; + +/** * struct hl_cb - describes a Command Buffer. * @refcount: reference counter for usage of the CB. * @hdev: pointer to device this CB belongs to. @@ -887,8 +922,53 @@ struct hl_user_interrupt { }; /** + * struct timestamp_reg_free_node - holds the timestamp registration free objects node + * @free_objects_node: node in the list free_obj_jobs + * @cq_cb: pointer to cq command buffer to be freed + * @ts_buff: pointer to timestamp buffer to be freed + */ +struct timestamp_reg_free_node { + struct list_head free_objects_node; + struct hl_cb *cq_cb; + struct hl_ts_buff *ts_buff; +}; + +/* struct timestamp_reg_work_obj - holds the timestamp registration free objects job + * the job will be to pass over the free_obj_jobs list and put refcount to objects + * in each node of the list + * @free_obj: workqueue object to free timestamp registration node objects + * @hdev: pointer to the device structure + * @free_obj_head: list of free jobs nodes (node type timestamp_reg_free_node) + */ +struct timestamp_reg_work_obj { + struct work_struct free_obj; + struct hl_device *hdev; + struct list_head *free_obj_head; +}; + +/* struct timestamp_reg_info - holds the timestamp registration related data. + * @ts_buff: pointer to the timestamp buffer which include both user/kernel buffers. + * relevant only when doing timestamps records registration. + * @cq_cb: pointer to CQ counter CB. + * @timestamp_kernel_addr: timestamp handle address, where to set timestamp + * relevant only when doing timestamps records + * registration. + * @in_use: indicates if the node already in use. relevant only when doing + * timestamps records registration, since in this case the driver + * will have it's own buffer which serve as a records pool instead of + * allocating records dynamically. + */ +struct timestamp_reg_info { + struct hl_ts_buff *ts_buff; + struct hl_cb *cq_cb; + u64 *timestamp_kernel_addr; + u8 in_use; +}; + +/** * struct hl_user_pending_interrupt - holds a context to a user thread * pending on an interrupt + * @ts_reg_info: holds the timestamps registration nodes info * @wait_list_node: node in the list of user threads pending on an interrupt * @fence: hl fence object for interrupt completion * @cq_target_value: CQ target value @@ -896,10 +976,11 @@ struct hl_user_interrupt { * handler for taget value comparison */ struct hl_user_pending_interrupt { - struct list_head wait_list_node; - struct hl_fence fence; - u64 cq_target_value; - u64 *cq_kernel_addr; + struct timestamp_reg_info ts_reg_info; + struct list_head wait_list_node; + struct hl_fence fence; + u64 cq_target_value; + u64 *cq_kernel_addr; }; /** @@ -1833,6 +1914,7 @@ struct hl_debug_params { * @ctx: current executing context. TODO: remove for multiple ctx per process * @ctx_mgr: context manager to handle multiple context for this FD. * @cb_mgr: command buffer manager to handle multiple buffers for this FD. + * @ts_mem_mgr: timestamp registration manager for alloc/free/map timestamp buffers. * @debugfs_list: list of relevant ASIC debugfs. * @dev_node: node in the device list of file private data * @refcount: number of related contexts. @@ -1845,6 +1927,7 @@ struct hl_fpriv { struct hl_ctx *ctx; struct hl_ctx_mgr ctx_mgr; struct hl_cb_mgr cb_mgr; + struct hl_ts_mgr ts_mem_mgr; struct list_head debugfs_list; struct list_head dev_node; struct kref refcount; @@ -2517,7 +2600,7 @@ struct hl_reset_info { * @cq_wq: work queues of completion queues for executing work in process * context. * @eq_wq: work queue of event queue for executing work in process context. - * @sob_reset_wq: work queue for sob reset executions. + * @ts_free_obj_wq: work queue for timestamp registration objects release. * @kernel_ctx: Kernel driver context structure. * @kernel_queues: array of hl_hw_queue. * @cs_mirror_list: CS mirror list for TDR. @@ -2645,7 +2728,7 @@ struct hl_device { struct hl_user_interrupt common_user_interrupt; struct workqueue_struct **cq_wq; struct workqueue_struct *eq_wq; - struct workqueue_struct *sob_reset_wq; + struct workqueue_struct *ts_free_obj_wq; struct hl_ctx *kernel_ctx; struct hl_hw_queue *kernel_queues; struct list_head cs_mirror_list; @@ -3128,6 +3211,11 @@ __printf(4, 5) int hl_snprintf_resize(char **buf, size_t *size, size_t *offset, const char *format, ...); char *hl_format_as_binary(char *buf, size_t buf_len, u32 n); const char *hl_sync_engine_to_string(enum hl_sync_engine_type engine_type); +void hl_ts_mgr_init(struct hl_ts_mgr *mgr); +void hl_ts_mgr_fini(struct hl_device *hdev, struct hl_ts_mgr *mgr); +int hl_ts_mmap(struct hl_fpriv *hpriv, struct vm_area_struct *vma); +struct hl_ts_buff *hl_ts_get(struct hl_device *hdev, struct hl_ts_mgr *mgr, u32 handle); +void hl_ts_put(struct hl_ts_buff *buff); #ifdef CONFIG_DEBUG_FS |