170 lines
6 KiB
C
170 lines
6 KiB
C
/* Copyright (c) 2008-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __KGSL_CMDBATCH_H
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#define __KGSL_CMDBATCH_H
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#define KGSL_CMDBATCH_FLAGS \
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{ KGSL_CMDBATCH_MARKER, "MARKER" }, \
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{ KGSL_CMDBATCH_CTX_SWITCH, "CTX_SWITCH" }, \
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{ KGSL_CMDBATCH_SYNC, "SYNC" }, \
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{ KGSL_CMDBATCH_END_OF_FRAME, "EOF" }, \
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{ KGSL_CMDBATCH_PWR_CONSTRAINT, "PWR_CONSTRAINT" }, \
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{ KGSL_CMDBATCH_SUBMIT_IB_LIST, "IB_LIST" }
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/**
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* struct kgsl_cmdbatch - KGSl command descriptor
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* @device: KGSL GPU device that the command was created for
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* @context: KGSL context that created the command
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* @timestamp: Timestamp assigned to the command
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* @flags: flags
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* @priv: Internal flags
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* @fault_policy: Internal policy describing how to handle this command in case
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* of a fault
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* @fault_recovery: recovery actions actually tried for this batch
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* @expires: Point in time when the cmdbatch is considered to be hung
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* @refcount: kref structure to maintain the reference count
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* @cmdlist: List of IBs to issue
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* @memlist: List of all memory used in this command batch
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* @synclist: Array of context/timestamp tuples to wait for before issuing
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* @numsyncs: Number of sync entries in the array
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* @pending: Bitmask of sync events that are active
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* @timer: a timer used to track possible sync timeouts for this cmdbatch
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* @marker_timestamp: For markers, the timestamp of the last "real" command that
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* was queued
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* @profiling_buf_entry: Mem entry containing the profiling buffer
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* @profiling_buffer_gpuaddr: GPU virt address of the profile buffer added here
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* for easy access
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* @profile_index: Index to store the start/stop ticks in the kernel profiling
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* buffer
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* @submit_ticks: Variable to hold ticks at the time of cmdbatch submit.
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* @global_ts: The ringbuffer timestamp corresponding to this cmdbatch
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* @timeout_jiffies: For a syncpoint cmdbatch the jiffies at which the
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* timer will expire
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* This structure defines an atomic batch of command buffers issued from
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* userspace.
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*/
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struct kgsl_cmdbatch {
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struct kgsl_device *device;
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struct kgsl_context *context;
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uint32_t timestamp;
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uint32_t flags;
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unsigned long priv;
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unsigned long fault_policy;
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unsigned long fault_recovery;
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unsigned long expires;
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struct kref refcount;
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struct list_head cmdlist;
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struct list_head memlist;
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struct kgsl_cmdbatch_sync_event *synclist;
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unsigned int numsyncs;
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unsigned long pending;
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struct timer_list timer;
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unsigned int marker_timestamp;
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struct kgsl_mem_entry *profiling_buf_entry;
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uint64_t profiling_buffer_gpuaddr;
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unsigned int profile_index;
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uint64_t submit_ticks;
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unsigned int global_ts;
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unsigned long timeout_jiffies;
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};
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/**
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* struct kgsl_cmdbatch_sync_event
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* @id: identifer (positiion within the pending bitmap)
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* @type: Syncpoint type
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* @cmdbatch: Pointer to the cmdbatch that owns the sync event
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* @context: Pointer to the KGSL context that owns the cmdbatch
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* @timestamp: Pending timestamp for the event
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* @handle: Pointer to a sync fence handle
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* @device: Pointer to the KGSL device
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*/
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struct kgsl_cmdbatch_sync_event {
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unsigned int id;
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int type;
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struct kgsl_cmdbatch *cmdbatch;
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struct kgsl_context *context;
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unsigned int timestamp;
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struct kgsl_sync_fence_waiter *handle;
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struct kgsl_device *device;
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};
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/**
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* enum kgsl_cmdbatch_priv - Internal cmdbatch flags
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* @CMDBATCH_FLAG_SKIP - skip the entire command batch
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* @CMDBATCH_FLAG_FORCE_PREAMBLE - Force the preamble on for the cmdbatch
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* @CMDBATCH_FLAG_WFI - Force wait-for-idle for the submission
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* @CMDBATCH_FLAG_PROFILE - store the start / retire ticks for the command batch
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* in the profiling buffer
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* @CMDBATCH_FLAG_FENCE_LOG - Set if the cmdbatch is dumping fence logs via the
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* cmdbatch timer - this is used to avoid recursion
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*/
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enum kgsl_cmdbatch_priv {
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CMDBATCH_FLAG_SKIP = 0,
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CMDBATCH_FLAG_FORCE_PREAMBLE,
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CMDBATCH_FLAG_WFI,
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CMDBATCH_FLAG_PROFILE,
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CMDBATCH_FLAG_FENCE_LOG,
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};
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int kgsl_cmdbatch_add_memobj(struct kgsl_cmdbatch *cmdbatch,
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struct kgsl_ibdesc *ibdesc);
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int kgsl_cmdbatch_add_sync(struct kgsl_device *device,
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struct kgsl_cmdbatch *cmdbatch,
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struct kgsl_cmd_syncpoint *sync);
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struct kgsl_cmdbatch *kgsl_cmdbatch_create(struct kgsl_device *device,
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struct kgsl_context *context, unsigned int flags);
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int kgsl_cmdbatch_add_ibdesc(struct kgsl_device *device,
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struct kgsl_cmdbatch *cmdbatch, struct kgsl_ibdesc *ibdesc);
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int kgsl_cmdbatch_add_ibdesc_list(struct kgsl_device *device,
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struct kgsl_cmdbatch *cmdbatch, void __user *ptr, int count);
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int kgsl_cmdbatch_add_syncpoints(struct kgsl_device *device,
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struct kgsl_cmdbatch *cmdbatch, void __user *ptr, int count);
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int kgsl_cmdbatch_add_cmdlist(struct kgsl_device *device,
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struct kgsl_cmdbatch *cmdbatch, void __user *ptr,
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unsigned int size, unsigned int count);
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int kgsl_cmdbatch_add_memlist(struct kgsl_device *device,
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struct kgsl_cmdbatch *cmdbatch, void __user *ptr,
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unsigned int size, unsigned int count);
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int kgsl_cmdbatch_add_synclist(struct kgsl_device *device,
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struct kgsl_cmdbatch *cmdbatch, void __user *ptr,
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unsigned int size, unsigned int count);
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int kgsl_cmdbatch_init(void);
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void kgsl_cmdbatch_exit(void);
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void kgsl_dump_syncpoints(struct kgsl_device *device,
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struct kgsl_cmdbatch *cmdbatch);
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void kgsl_cmdbatch_destroy(struct kgsl_cmdbatch *cmdbatch);
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void kgsl_cmdbatch_destroy_object(struct kref *kref);
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static inline bool kgsl_cmdbatch_events_pending(struct kgsl_cmdbatch *cmdbatch)
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{
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return !bitmap_empty(&cmdbatch->pending, KGSL_MAX_SYNCPOINTS);
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}
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static inline bool kgsl_cmdbatch_event_pending(struct kgsl_cmdbatch *cmdbatch,
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unsigned int bit)
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{
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if (bit >= KGSL_MAX_SYNCPOINTS)
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return false;
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return test_bit(bit, &cmdbatch->pending);
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}
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#endif /* __KGSL_CMDBATCH_H */
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