| /* Copyright (c) 2016, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef __KGSL_DRAWOBJ_H |
| #define __KGSL_DRAWOBJ_H |
| |
| #define DRAWOBJ(obj) (&obj->base) |
| #define SYNCOBJ(obj) \ |
| container_of(obj, struct kgsl_drawobj_sync, base) |
| #define CMDOBJ(obj) \ |
| container_of(obj, struct kgsl_drawobj_cmd, base) |
| #define SPARSEOBJ(obj) \ |
| container_of(obj, struct kgsl_drawobj_sparse, base) |
| |
| #define CMDOBJ_TYPE BIT(0) |
| #define MARKEROBJ_TYPE BIT(1) |
| #define SYNCOBJ_TYPE BIT(2) |
| #define SPARSEOBJ_TYPE BIT(3) |
| |
| /** |
| * struct kgsl_drawobj - KGSL drawobj descriptor |
| * @device: KGSL GPU device that the command was created for |
| * @context: KGSL context that created the command |
| * @type: Object type |
| * @timestamp: Timestamp assigned to the command |
| * @flags: flags |
| * @refcount: kref structure to maintain the reference count |
| */ |
| struct kgsl_drawobj { |
| struct kgsl_device *device; |
| struct kgsl_context *context; |
| uint32_t type; |
| uint32_t timestamp; |
| unsigned long flags; |
| struct kref refcount; |
| }; |
| |
| /** |
| * struct kgsl_drawobj_cmd - KGSL command obj, This covers marker |
| * cmds also since markers are special form of cmds that do not |
| * need their cmds to be executed. |
| * @base: Base kgsl_drawobj, this needs to be the first entry |
| * @priv: Internal flags |
| * @global_ts: The ringbuffer timestamp corresponding to this |
| * command obj |
| * @fault_policy: Internal policy describing how to handle this command in case |
| * of a fault |
| * @fault_recovery: recovery actions actually tried for this batch |
| * be hung |
| * @refcount: kref structure to maintain the reference count |
| * @cmdlist: List of IBs to issue |
| * @memlist: List of all memory used in this command batch |
| * @marker_timestamp: For markers, the timestamp of the last "real" command that |
| * was queued |
| * @profiling_buf_entry: Mem entry containing the profiling buffer |
| * @profiling_buffer_gpuaddr: GPU virt address of the profile buffer added here |
| * for easy access |
| * @profile_index: Index to store the start/stop ticks in the kernel profiling |
| * buffer |
| * @submit_ticks: Variable to hold ticks at the time of |
| * command obj submit. |
| |
| */ |
| struct kgsl_drawobj_cmd { |
| struct kgsl_drawobj base; |
| unsigned long priv; |
| unsigned int global_ts; |
| unsigned long fault_policy; |
| unsigned long fault_recovery; |
| struct list_head cmdlist; |
| struct list_head memlist; |
| unsigned int marker_timestamp; |
| struct kgsl_mem_entry *profiling_buf_entry; |
| uint64_t profiling_buffer_gpuaddr; |
| unsigned int profile_index; |
| uint64_t submit_ticks; |
| }; |
| |
| /** |
| * struct kgsl_drawobj_sync - KGSL sync object |
| * @base: Base kgsl_drawobj, this needs to be the first entry |
| * @synclist: Array of context/timestamp tuples to wait for before issuing |
| * @numsyncs: Number of sync entries in the array |
| * @pending: Bitmask of sync events that are active |
| * @timer: a timer used to track possible sync timeouts for this |
| * sync obj |
| * @timeout_jiffies: For a sync obj the jiffies at |
| * which the timer will expire |
| */ |
| struct kgsl_drawobj_sync { |
| struct kgsl_drawobj base; |
| struct kgsl_drawobj_sync_event *synclist; |
| unsigned int numsyncs; |
| unsigned long pending; |
| struct timer_list timer; |
| unsigned long timeout_jiffies; |
| }; |
| |
| /** |
| * struct kgsl_drawobj_sync_event |
| * @id: identifer (positiion within the pending bitmap) |
| * @type: Syncpoint type |
| * @syncobj: Pointer to the syncobj that owns the sync event |
| * @context: KGSL context for whose timestamp we want to |
| * register this event |
| * @timestamp: Pending timestamp for the event |
| * @handle: Pointer to a sync fence handle |
| * @device: Pointer to the KGSL device |
| */ |
| struct kgsl_drawobj_sync_event { |
| unsigned int id; |
| int type; |
| struct kgsl_drawobj_sync *syncobj; |
| struct kgsl_context *context; |
| unsigned int timestamp; |
| struct kgsl_sync_fence_waiter *handle; |
| struct kgsl_device *device; |
| }; |
| |
| /** |
| * struct kgsl_drawobj_sparse - KGSl sparse obj descriptor |
| * @base: Base kgsl_obj, this needs to be the first entry |
| * @id: virtual id of the bind/unbind |
| * @sparselist: list of binds/unbinds |
| * @size: Size of kgsl_sparse_bind_object |
| * @count: Number of elements in list |
| */ |
| struct kgsl_drawobj_sparse { |
| struct kgsl_drawobj base; |
| unsigned int id; |
| struct list_head sparselist; |
| unsigned int size; |
| unsigned int count; |
| }; |
| |
| #define KGSL_DRAWOBJ_FLAGS \ |
| { KGSL_DRAWOBJ_MARKER, "MARKER" }, \ |
| { KGSL_DRAWOBJ_CTX_SWITCH, "CTX_SWITCH" }, \ |
| { KGSL_DRAWOBJ_SYNC, "SYNC" }, \ |
| { KGSL_DRAWOBJ_END_OF_FRAME, "EOF" }, \ |
| { KGSL_DRAWOBJ_PWR_CONSTRAINT, "PWR_CONSTRAINT" }, \ |
| { KGSL_DRAWOBJ_SUBMIT_IB_LIST, "IB_LIST" } |
| |
| /** |
| * enum kgsl_drawobj_cmd_priv - Internal command obj flags |
| * @CMDOBJ_SKIP - skip the entire command obj |
| * @CMDOBJ_FORCE_PREAMBLE - Force the preamble on for |
| * command obj |
| * @CMDOBJ_WFI - Force wait-for-idle for the submission |
| * @CMDOBJ_PROFILE - store the start / retire ticks for |
| * the command obj in the profiling buffer |
| */ |
| enum kgsl_drawobj_cmd_priv { |
| CMDOBJ_SKIP = 0, |
| CMDOBJ_FORCE_PREAMBLE, |
| CMDOBJ_WFI, |
| CMDOBJ_PROFILE, |
| }; |
| |
| struct kgsl_drawobj_cmd *kgsl_drawobj_cmd_create(struct kgsl_device *device, |
| struct kgsl_context *context, unsigned int flags, |
| unsigned int type); |
| int kgsl_drawobj_cmd_add_ibdesc(struct kgsl_device *device, |
| struct kgsl_drawobj_cmd *cmdobj, struct kgsl_ibdesc *ibdesc); |
| int kgsl_drawobj_cmd_add_ibdesc_list(struct kgsl_device *device, |
| struct kgsl_drawobj_cmd *cmdobj, void __user *ptr, int count); |
| int kgsl_drawobj_cmd_add_cmdlist(struct kgsl_device *device, |
| struct kgsl_drawobj_cmd *cmdobj, void __user *ptr, |
| unsigned int size, unsigned int count); |
| int kgsl_drawobj_cmd_add_memlist(struct kgsl_device *device, |
| struct kgsl_drawobj_cmd *cmdobj, void __user *ptr, |
| unsigned int size, unsigned int count); |
| |
| struct kgsl_drawobj_sync *kgsl_drawobj_sync_create(struct kgsl_device *device, |
| struct kgsl_context *context); |
| int kgsl_drawobj_sync_add_syncpoints(struct kgsl_device *device, |
| struct kgsl_drawobj_sync *syncobj, void __user *ptr, |
| int count); |
| int kgsl_drawobj_sync_add_synclist(struct kgsl_device *device, |
| struct kgsl_drawobj_sync *syncobj, void __user *ptr, |
| unsigned int size, unsigned int count); |
| int kgsl_drawobj_sync_add_sync(struct kgsl_device *device, |
| struct kgsl_drawobj_sync *syncobj, |
| struct kgsl_cmd_syncpoint *sync); |
| struct kgsl_drawobj_sparse *kgsl_drawobj_sparse_create( |
| struct kgsl_device *device, |
| struct kgsl_context *context, unsigned int flags); |
| int kgsl_drawobj_sparse_add_sparselist(struct kgsl_device *device, |
| struct kgsl_drawobj_sparse *sparseobj, unsigned int id, |
| void __user *ptr, unsigned int size, unsigned int count); |
| |
| int kgsl_drawobjs_cache_init(void); |
| void kgsl_drawobjs_cache_exit(void); |
| |
| void kgsl_dump_syncpoints(struct kgsl_device *device, |
| struct kgsl_drawobj_sync *syncobj); |
| |
| void kgsl_drawobj_destroy(struct kgsl_drawobj *drawobj); |
| |
| static inline bool kgsl_drawobj_events_pending( |
| struct kgsl_drawobj_sync *syncobj) |
| { |
| return !bitmap_empty(&syncobj->pending, KGSL_MAX_SYNCPOINTS); |
| } |
| |
| static inline bool kgsl_drawobj_event_pending( |
| struct kgsl_drawobj_sync *syncobj, unsigned int bit) |
| { |
| if (bit >= KGSL_MAX_SYNCPOINTS) |
| return false; |
| |
| return test_bit(bit, &syncobj->pending); |
| } |
| #endif /* __KGSL_DRAWOBJ_H */ |