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163k
functions
int kgsl_resume(struct device *dev) { struct kgsl_device *device = dev_get_drvdata(dev); return kgsl_resume_device(device); }
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int kgsl_runtime_suspend(struct device *dev) { return 0; }
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int kgsl_runtime_resume(struct device *dev) { return 0; }
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int kgsl_suspend_driver(struct platform_device *pdev, pm_message_t state) { struct kgsl_device *device = dev_get_drvdata(&pdev->dev); return kgsl_suspend_device(device, state); }
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int kgsl_resume_driver(struct platform_device *pdev) { struct kgsl_device *device = dev_get_drvdata(&pdev->dev); return kgsl_resume_device(device); }
functions
void kgsl_destroy_process_private(struct kref *kref) { struct kgsl_process_private *private = container_of(kref, struct kgsl_process_private, refcount); /* * Remove this process from global process list * We do not acquire a lock first as it is expected that * kgsl_destroy_process_private() is only going to...
functions
void kgsl_process_private_put(struct kgsl_process_private *private) { mutex_lock(&kgsl_driver.process_mutex); /* * kref_put() returns 1 when the refcnt has reached 0 and the destroy * function is called. Mutex is released in the destroy function if * its called, so only release mutex if kref_put() return 0 *...
functions
int kgsl_close_device(struct kgsl_device *device) { int result = 0; device->open_count--; if (device->open_count == 0) { /* Wait for the active count to go to 0 */ kgsl_active_count_wait(device, 0); /* Fail if the wait times out */ BUG_ON(atomic_read(&device->active_cnt) > 0); /* Force power on to do th...
functions
int kgsl_release(struct inode *inodep, struct file *filep) { int result = 0; struct kgsl_device_private *dev_priv = filep->private_data; struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_device *device = dev_priv->device; struct kgsl_context *context; struct kgsl_mem_entry *entry; int ne...
functions
int kgsl_open_device(struct kgsl_device *device) { int result = 0; if (device->open_count == 0) { /* * active_cnt special case: we are starting up for the first * time, so use this sequence instead of the kgsl_pwrctrl_wake() * which will be called by kgsl_active_count_get(). */ atomic_inc(&device->act...
functions
int kgsl_open(struct inode *inodep, struct file *filep) { int result; struct kgsl_device_private *dev_priv; struct kgsl_device *device; unsigned int minor = iminor(inodep); device = kgsl_get_minor(minor); BUG_ON(device == NULL); if (filep->f_flags & O_EXCL) { KGSL_DRV_ERR(device, "O_EXCL not allowed\n"); r...
functions
__must_check kgsl_sharedmem_find_region(struct kgsl_process_private *private, unsigned int gpuaddr, size_t size) { struct rb_node *node; if (!kgsl_mmu_gpuaddr_in_range(private->pagetable, gpuaddr)) return NULL; spin_lock(&private->mem_lock); node = private->mem_rb.rb_node; while (node != NULL) { struct kgsl...
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__must_check kgsl_sharedmem_find(struct kgsl_process_private *private, unsigned int gpuaddr) { return kgsl_sharedmem_find_region(private, gpuaddr, 1); }
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int kgsl_sharedmem_region_empty(struct kgsl_process_private *private, unsigned int gpuaddr, size_t size, struct kgsl_mem_entry **collision_entry) { int result = 1; unsigned int gpuaddr_end = gpuaddr + size; struct rb_node *node; assert_spin_locked(&private->mem_lock); if (!kgsl_mmu_gpuaddr_in_range(private->p...
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__must_check kgsl_sharedmem_find_id(struct kgsl_process_private *process, unsigned int id) { int result = 0; struct kgsl_mem_entry *entry; spin_lock(&process->mem_lock); entry = idr_find(&process->mem_idr, id); if (entry) result = kgsl_mem_entry_get(entry); spin_unlock(&process->mem_lock); if (!result) ret...
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bool kgsl_mem_entry_set_pend(struct kgsl_mem_entry *entry) { bool ret = false; if (entry == NULL) return false; spin_lock(&entry->priv->mem_lock); if (!entry->pending_free) { entry->pending_free = 1; ret = true; }
functions
long kgsl_ioctl_device_getproperty(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { int result = 0; struct kgsl_device_getproperty *param = data; switch (param->type) { case KGSL_PROP_VERSION: { struct kgsl_version version; if (param->sizebytes != sizeof(version)) { result = -EI...
functions
long kgsl_ioctl_device_setproperty(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { int result = 0; /* The getproperty struct is reused for setproperty too */ struct kgsl_device_getproperty *param = data; if (dev_priv->device->ftbl->setproperty) result = dev_priv->device->ftbl->setpro...
functions
long _device_waittimestamp(struct kgsl_device_private *dev_priv, struct kgsl_context *context, unsigned int timestamp, unsigned int timeout) { int result = 0; struct kgsl_device *device = dev_priv->device; unsigned int context_id = context ? context->id : KGSL_MEMSTORE_GLOBAL; trace_kgsl_waittimestamp_entry(...
functions
long kgsl_ioctl_device_waittimestamp(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_device_waittimestamp *param = data; struct kgsl_device *device = dev_priv->device; long result = -EINVAL; kgsl_mutex_lock(&device->mutex, &device->mutex_owner); result = _device_waitt...
functions
long kgsl_ioctl_device_waittimestamp_ctxtid(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_device_waittimestamp_ctxtid *param = data; struct kgsl_context *context; struct kgsl_device *device = dev_priv->device; long result = -EINVAL; kgsl_mutex_lock(&device->mutex, &...
functions
void kgsl_dump_syncpoints(struct kgsl_device *device, struct kgsl_cmdbatch *cmdbatch) { struct kgsl_cmdbatch_sync_event *event; /* Print all the pending sync objects */ list_for_each_entry(event, &cmdbatch->synclist, node) { switch (event->type) { case KGSL_CMD_SYNCPOINT_TYPE_TIMESTAMP: { unsigned int reti...
functions
void _kgsl_cmdbatch_timer(unsigned long data) { struct kgsl_device *device; struct kgsl_cmdbatch *cmdbatch = (struct kgsl_cmdbatch *) data; struct kgsl_cmdbatch_sync_event *event; if (cmdbatch == NULL || cmdbatch->context == NULL) return; spin_lock(&cmdbatch->lock); if (list_empty(&cmdbatch->synclist)) goto...
functions
void kgsl_cmdbatch_sync_event_destroy(struct kref *kref) { struct kgsl_cmdbatch_sync_event *event = container_of(kref, struct kgsl_cmdbatch_sync_event, refcount); kgsl_cmdbatch_put(event->cmdbatch); kfree(event); }
functions
void kgsl_cmdbatch_sync_event_put( struct kgsl_cmdbatch_sync_event *event) { kref_put(&event->refcount, kgsl_cmdbatch_sync_event_destroy); }
functions
void kgsl_cmdbatch_destroy_object(struct kref *kref) { struct kgsl_cmdbatch *cmdbatch = container_of(kref, struct kgsl_cmdbatch, refcount); kgsl_context_put(cmdbatch->context); kfree(cmdbatch); }
functions
void kgsl_cmdbatch_sync_expire(struct kgsl_device *device, struct kgsl_cmdbatch_sync_event *event) { struct kgsl_cmdbatch_sync_event *e, *tmp; int sched = 0; int removed = 0; spin_lock(&event->cmdbatch->lock); /* * sync events that are contained by a cmdbatch which has been * destroyed may have already been...
functions
void kgsl_cmdbatch_sync_func(struct kgsl_device *device, struct kgsl_context *context, void *priv, int result) { struct kgsl_cmdbatch_sync_event *event = priv; trace_syncpoint_timestamp_expire(event->cmdbatch, event->context, event->timestamp); kgsl_cmdbatch_sync_expire(device, event); kgsl_context_put(event-...
functions
void _free_memobj_list(struct list_head *list) { struct kgsl_memobj_node *mem, *tmpmem; /* Free the cmd mem here */ list_for_each_entry_safe(mem, tmpmem, list, node) { list_del_init(&mem->node); kmem_cache_free(memobjs_cache, mem); }
functions
void kgsl_cmdbatch_destroy(struct kgsl_cmdbatch *cmdbatch) { struct kgsl_cmdbatch_sync_event *event, *tmpsync; LIST_HEAD(cancel_synclist); /* Zap the canary timer */ del_timer_sync(&cmdbatch->timer); spin_lock(&cmdbatch->lock); /* Empty the synclist before canceling events */ list_splice_init(&cmdbatch->syncl...
functions
else if (event->type == KGSL_CMD_SYNCPOINT_TYPE_FENCE) { /* Put events that are successfully canceled */ if (kgsl_sync_fence_async_cancel(event->handle)) kgsl_cmdbatch_sync_event_put(event); }
functions
void kgsl_cmdbatch_sync_fence_func(void *priv) { struct kgsl_cmdbatch_sync_event *event = priv; trace_syncpoint_fence_expire(event->cmdbatch, event->handle ? event->handle->name : "unknown"); kgsl_cmdbatch_sync_expire(event->device, event); /* Put events that have signaled */ kgsl_cmdbatch_sync_event_put(event...
functions
int kgsl_cmdbatch_add_sync_fence(struct kgsl_device *device, struct kgsl_cmdbatch *cmdbatch, void *priv) { struct kgsl_cmd_syncpoint_fence *sync = priv; struct kgsl_cmdbatch_sync_event *event; event = kzalloc(sizeof(*event), GFP_KERNEL); if (event == NULL) return -ENOMEM; kref_get(&cmdbatch->refcount); ev...
functions
int kgsl_cmdbatch_add_sync_timestamp(struct kgsl_device *device, struct kgsl_cmdbatch *cmdbatch, void *priv) { struct kgsl_cmd_syncpoint_timestamp *sync = priv; struct kgsl_context *context = kgsl_context_get(cmdbatch->device, sync->context_id); struct kgsl_cmdbatch_sync_event *event; int ret = -EINVAL; if (c...
functions
int kgsl_cmdbatch_add_sync(struct kgsl_device *device, struct kgsl_cmdbatch *cmdbatch, struct kgsl_cmd_syncpoint *sync) { void *priv; int ret, psize; int (*func)(struct kgsl_device *device, struct kgsl_cmdbatch *cmdbatch, void *priv); switch (sync->type) { case KGSL_CMD_SYNCPOINT_TYPE_TIMESTAMP: psize = si...
functions
int kgsl_cmdbatch_add_memobj(struct kgsl_cmdbatch *cmdbatch, struct kgsl_ibdesc *ibdesc) { struct kgsl_memobj_node *mem; mem = kmem_cache_alloc(memobjs_cache, GFP_KERNEL); if (mem == NULL) return -ENOMEM; mem->gpuaddr = ibdesc->gpuaddr; mem->sizedwords = ibdesc->sizedwords; mem->priv = 0; /* sanitize the i...
functions
bool _kgsl_cmdbatch_verify(struct kgsl_device_private *dev_priv, struct kgsl_cmdbatch *cmdbatch) { struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_memobj_node *ib; list_for_each_entry(ib, &cmdbatch->cmdlist, node) { if (ib->sizedwords == 0) { KGSL_DRV_ERR(dev_priv->device, "inva...
functions
long kgsl_ioctl_rb_issueibcmds(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_ringbuffer_issueibcmds *param = data; struct kgsl_device *device = dev_priv->device; struct kgsl_context *context; struct kgsl_cmdbatch *cmdbatch; long result = -EINVAL; /* The legacy functi...
functions
long kgsl_ioctl_submit_commands(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_submit_commands *param = data; struct kgsl_device *device = dev_priv->device; struct kgsl_context *context; struct kgsl_cmdbatch *cmdbatch; long result = -EINVAL; /* * The SYNC bit is su...
functions
long _cmdstream_readtimestamp(struct kgsl_device_private *dev_priv, struct kgsl_context *context, unsigned int type, unsigned int *timestamp) { *timestamp = kgsl_readtimestamp(dev_priv->device, context, type); trace_kgsl_readtimestamp(dev_priv->device, context ? context->id : KGSL_MEMSTORE_GLOBAL, type, *t...
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long kgsl_ioctl_cmdstream_readtimestamp(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_cmdstream_readtimestamp *param = data; struct kgsl_device *device = dev_priv->device; long result = -EINVAL; kgsl_mutex_lock(&device->mutex, &device->mutex_owner); result = _cmdstr...
functions
long kgsl_ioctl_cmdstream_readtimestamp_ctxtid(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_cmdstream_readtimestamp_ctxtid *param = data; struct kgsl_device *device = dev_priv->device; struct kgsl_context *context; long result = -EINVAL; kgsl_mutex_lock(&device->mu...
functions
void kgsl_freemem_event_cb(struct kgsl_device *device, struct kgsl_context *context, void *priv, int result) { struct kgsl_mem_entry *entry = priv; unsigned int timestamp; timestamp = kgsl_readtimestamp(device, context, KGSL_TIMESTAMP_RETIRED); /* Free the memory for all event types */ trace_kgsl_mem_timestamp...
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long _cmdstream_freememontimestamp(struct kgsl_device_private *dev_priv, unsigned int gpuaddr, struct kgsl_context *context, unsigned int timestamp, unsigned int type) { int result = 0; struct kgsl_mem_entry *entry = NULL; struct kgsl_device *device = dev_priv->device; unsigned int context_id = context ? contex...
functions
long kgsl_ioctl_cmdstream_freememontimestamp(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_cmdstream_freememontimestamp *param = data; struct kgsl_device *device = dev_priv->device; long result = -EINVAL; kgsl_mutex_lock(&device->mutex, &device->mutex_owner);...
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long kgsl_ioctl_cmdstream_freememontimestamp_ctxtid( struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_cmdstream_freememontimestamp_ctxtid *param = data; struct kgsl_context *context; struct kgsl_device *device = dev_priv->device; long result = -EINVAL; kgsl_mutex...
functions
long kgsl_ioctl_drawctxt_create(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { int result = 0; struct kgsl_drawctxt_create *param = data; struct kgsl_context *context = NULL; struct kgsl_device *device = dev_priv->device; kgsl_mutex_lock(&device->mutex, &device->mutex_owner); context ...
functions
long kgsl_ioctl_drawctxt_destroy(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_drawctxt_destroy *param = data; struct kgsl_device *device = dev_priv->device; struct kgsl_context *context; long result; kgsl_mutex_lock(&device->mutex, &device->mutex_owner); context = kgsl_c...
functions
long _sharedmem_free_entry(struct kgsl_mem_entry *entry) { if (!kgsl_mem_entry_set_pend(entry)) { kgsl_mem_entry_put(entry); return -EBUSY; }
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long kgsl_ioctl_sharedmem_free(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_sharedmem_free *param = data; struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_mem_entry *entry = NULL; entry = kgsl_sharedmem_find(private, param->gpuaddr); if (!entry) ...
functions
long kgsl_ioctl_gpumem_free_id(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_gpumem_free_id *param = data; struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_mem_entry *entry = NULL; entry = kgsl_sharedmem_find_id(private, param->id); if (!entry) {...
functions
int _check_region(unsigned long start, unsigned long size, uint64_t len) { uint64_t end = ((uint64_t) start) + size; return (end > len); }
functions
int kgsl_get_phys_file(int fd, unsigned long *start, unsigned long *len, unsigned long *vstart, struct file **filep) { struct file *fbfile; int ret = 0; dev_t rdev; struct fb_info *info; *start = 0; *vstart = 0; *len = 0; *filep = NULL; fbfile = fget(fd); if (fbfile == NULL) { KGSL_CORE_ERR("fget...
functions
int kgsl_setup_phys_file(struct kgsl_mem_entry *entry, struct kgsl_pagetable *pagetable, unsigned int fd, unsigned int offset, size_t size) { int ret; unsigned long phys, virt, len; struct file *filep; ret = kgsl_get_phys_file(fd, &phys, &len, &virt, &filep); if (ret) return ret; ret = -ERANGE; ...
functions
int memdesc_sg_virt(struct kgsl_memdesc *memdesc, unsigned long paddr, int size) { int i; int sglen = PAGE_ALIGN(size) / PAGE_SIZE; memdesc->sg = kgsl_sg_alloc(sglen); if (memdesc->sg == NULL) return -ENOMEM; memdesc->sglen = sglen; memdesc->sglen_alloc = sglen; sg_init_table(memdesc->sg, sglen); spin_l...
functions
int kgsl_setup_useraddr(struct kgsl_mem_entry *entry, struct kgsl_pagetable *pagetable, unsigned long useraddr, unsigned int offset, size_t size) { struct vm_area_struct *vma; unsigned int len; down_read(&current->mm->mmap_sem); vma = find_vma(current->mm, useraddr); up_read(&current->m...
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int kgsl_setup_ashmem(struct kgsl_mem_entry *entry, struct kgsl_pagetable *pagetable, int fd, unsigned long useraddr, size_t size) { int ret; struct vm_area_struct *vma; struct file *filep, *vmfile; unsigned long len; vma = kgsl_get_vma_from_start_addr(useraddr); if (vma == NULL) return -EINVAL...
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int kgsl_setup_ashmem(struct kgsl_mem_entry *entry, struct kgsl_pagetable *pagetable, int fd, unsigned long useraddr, size_t size) { return -EINVAL; }
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int kgsl_setup_ion(struct kgsl_mem_entry *entry, struct kgsl_pagetable *pagetable, void *data, struct kgsl_device *device) { struct scatterlist *s; struct sg_table *sg_table; struct kgsl_map_user_mem *param = data; int fd = param->fd; struct dma_buf *dmabuf; struct dma_buf_attachment *attach; struct kgsl_dma...
functions
long kgsl_ioctl_map_user_mem(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { int result = -EINVAL; struct kgsl_map_user_mem *param = data; struct kgsl_mem_entry *entry = NULL; struct kgsl_process_private *private = dev_priv->process_priv; enum kgsl_user_mem_type memtype; entry = kg...
functions
int _kgsl_gpumem_sync_cache(struct kgsl_mem_entry *entry, int op) { int ret = 0; int cacheop; int mode; /* * Flush is defined as (clean | invalidate). If both bits are set, then * do a flush, otherwise check for the individual bits and clean or inv * as requested */ if ((op & KGSL_GPUMEM_CACHE_FLUSH) ==...
functions
long kgsl_ioctl_gpumem_sync_cache(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_gpumem_sync_cache *param = data; struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_mem_entry *entry = NULL; long ret; if (param->id != 0) { entry = kgsl_sharedmem_find_id...
functions
else if (param->gpuaddr != 0) { entry = kgsl_sharedmem_find(private, param->gpuaddr); if (entry == NULL) { KGSL_MEM_INFO(dev_priv->device, "can't find gpuaddr %x\n", param->gpuaddr); return -EINVAL; }
functions
int mem_id_cmp(const void *_a, const void *_b) { const unsigned int *a = _a, *b = _b; int cmp = a - b; return (cmp < 0) ? -1 : (cmp > 0); }
functions
long kgsl_ioctl_gpumem_sync_cache_bulk(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { int i; struct kgsl_gpumem_sync_cache_bulk *param = data; struct kgsl_process_private *private = dev_priv->process_priv; unsigned int id, last_id = 0, *id_list = NULL, actual_count = 0; struct kgsl_mem_entr...
functions
long kgsl_ioctl_sharedmem_flush_cache(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_sharedmem_free *param = data; struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_mem_entry *entry = NULL; long ret; entry = kgsl_sharedmem_find(private, param->gpuad...
functions
int _gpumem_alloc(struct kgsl_device_private *dev_priv, struct kgsl_mem_entry **ret_entry, unsigned int size, unsigned int flags) { int result; struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_mem_entry *entry; int align; /* * Mask off unknown flags from userspace. This way the cal...
functions
long kgsl_ioctl_gpumem_alloc(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_gpumem_alloc *param = data; struct kgsl_mem_entry *entry = NULL; int result; param->flags &= ~KGSL_MEMFLAGS_USE_CPU_MAP; result = _gpume...
functions
long kgsl_ioctl_gpumem_alloc_id(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_device *device = dev_priv->device; struct kgsl_gpumem_alloc_id *param = data; struct kgsl_mem_entry *entry = NULL; int result; if (!k...
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long kgsl_ioctl_gpumem_get_info(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_gpumem_get_info *param = data; struct kgsl_mem_entry *entry = NULL; int result = 0; if (param->id != 0) { entry = kgsl_sharedmem_fin...
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else if (param->gpuaddr != 0) { entry = kgsl_sharedmem_find(private, param->gpuaddr); if (entry == NULL) { KGSL_MEM_INFO(dev_priv->device, "can't find gpuaddr %lx\n", param->gpuaddr); return -EINVAL; }
functions
long kgsl_ioctl_cff_syncmem(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { int result = 0; struct kgsl_cff_syncmem *param = data; struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_mem_entry *entry = NULL; entry = kgsl_sharedmem_find_region(private, param->gpuad...
functions
long kgsl_ioctl_cff_user_event(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { int result = 0; struct kgsl_cff_user_event *param = data; kgsl_cffdump_user_event(dev_priv->device, param->cff_opcode, param->op1, param->op2, param->op3, param->op4, param->op5); return result; }
functions
void kgsl_genlock_event_cb(struct kgsl_device *device, struct kgsl_context *context, void *priv, int result) { struct kgsl_genlock_event_priv *ev = priv; int ret; /* Signal the lock for every event type */ ret = genlock_lock(ev->handle, GENLOCK_UNLOCK, 0, 0); if (ret) KGSL_CORE_ERR("Error while unlocking genlo...
functions
int kgsl_add_genlock_event(struct kgsl_device *device, u32 context_id, u32 timestamp, void __user *data, int len, struct kgsl_device_private *owner) { struct kgsl_genlock_event_priv *event; struct kgsl_timestamp_event_genlock priv; struct kgsl_context *context = kgsl_context_get_owner(owner, context_id); int ret;...
functions
long kgsl_add_genlock_event(struct kgsl_device *device, u32 context_id, u32 timestamp, void __user *data, int len, struct kgsl_device_private *owner) { return -EINVAL; }
functions
long kgsl_ioctl_timestamp_event(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data) { struct kgsl_timestamp_event *param = data; int ret; switch (param->type) { case KGSL_TIMESTAMP_EVENT_GENLOCK: ret = kgsl_add_genlock_event(dev_priv->device, param->context_id, param->timestamp, param->priv,...
functions
long kgsl_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { struct kgsl_device_private *dev_priv = filep->private_data; unsigned int nr; kgsl_ioctl_func_t func; int ret; char ustack[64]; void *uptr = NULL; BUG_ON(dev_priv == NULL); /* Workaround for an previously incorrectly defined ioctl code....
functions
int kgsl_mmap_memstore(struct kgsl_device *device, struct vm_area_struct *vma) { struct kgsl_memdesc *memdesc = &device->memstore; int result; unsigned int vma_size = vma->vm_end - vma->vm_start; /* The memstore can only be mapped as read only */ if (vma->vm_flags & VM_WRITE) return -EPERM; if (memdesc->size...
functions
void kgsl_gpumem_vm_open(struct vm_area_struct *vma) { struct kgsl_mem_entry *entry = vma->vm_private_data; if (!kgsl_mem_entry_get(entry)) vma->vm_private_data = NULL; }
functions
int kgsl_gpumem_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct kgsl_mem_entry *entry = vma->vm_private_data; if (!entry) return VM_FAULT_SIGBUS; if (!entry->memdesc.ops || !entry->memdesc.ops->vmfault) return VM_FAULT_SIGBUS; return entry->memdesc.ops->vmfault(&entry->memdesc, vma, vmf); ...
functions
void kgsl_gpumem_vm_close(struct vm_area_struct *vma) { struct kgsl_mem_entry *entry = vma->vm_private_data; if (!entry) return; entry->memdesc.useraddr = 0; kgsl_mem_entry_put(entry); }
functions
int get_mmap_entry(struct kgsl_process_private *private, struct kgsl_mem_entry **out_entry, unsigned long pgoff, unsigned long len) { int ret = 0; struct kgsl_mem_entry *entry; entry = kgsl_sharedmem_find_id(private, pgoff); if (entry == NULL) { entry = kgsl_sharedmem_find(private, pgoff << PAGE_SHIFT); }
functions
bool mmap_range_valid(unsigned long addr, unsigned long len) { return ((ULONG_MAX - addr) > len) && ((addr + len) < TASK_SIZE); }
functions
int kgsl_check_gpu_addr_collision( struct kgsl_process_private *private, struct kgsl_mem_entry *entry, unsigned long addr, unsigned long len, unsigned long *gpumap_free_addr, bool flag_top_down, unsigned int align) { int ret = -EAGAIN; struct kgsl_mem_entry *collision_entry = NULL; spin_lock(...
functions
long kgsl_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { unsigned long ret = 0, orig_len = len; unsigned long vma_offset = pgoff << PAGE_SHIFT; struct kgsl_device_private *dev_priv = file->private_data; struct kgsl_process_private *priva...
functions
int kgsl_mmap(struct file *file, struct vm_area_struct *vma) { unsigned int ret, cache; unsigned long vma_offset = vma->vm_pgoff << PAGE_SHIFT; struct kgsl_device_private *dev_priv = file->private_data; struct kgsl_process_private *private = dev_priv->process_priv; struct kgsl_mem_entry *entry = NULL; struct kgsl...
functions
irqreturn_t kgsl_irq_handler(int irq, void *data) { struct kgsl_device *device = data; return device->ftbl->irq_handler(device); }
functions
void _unregister_device(struct kgsl_device *device) { int minor; mutex_lock(&kgsl_driver.devlock); for (minor = 0; minor < KGSL_DEVICE_MAX; minor++) { if (device == kgsl_driver.devp[minor]) break; }
functions
int _register_device(struct kgsl_device *device) { int minor, ret; dev_t dev; /* Find a minor for the device */ mutex_lock(&kgsl_driver.devlock); for (minor = 0; minor < KGSL_DEVICE_MAX; minor++) { if (kgsl_driver.devp[minor] == NULL) { kgsl_driver.devp[minor] = device; break; }
functions
int kgsl_device_platform_probe(struct kgsl_device *device) { int result; int status = -EINVAL; struct resource *res; struct platform_device *pdev = container_of(device->parentdev, struct platform_device, dev); status = _register_device(device); if (status) return status; /* Initialize logging first, so tha...
functions
void kgsl_device_platform_remove(struct kgsl_device *device) { kgsl_del_event_group(&device->global_events); kgsl_del_event_group(&device->iommu_events); destroy_workqueue(device->events_wq); kgsl_device_snapshot_close(device); kgsl_pwrctrl_uninit_sysfs(device); pm_qos_remove_request(&device->pwrctrl.pm_qos_r...
functions
__devinit kgsl_ptdata_init(void) { kgsl_driver.ptpool = kgsl_mmu_ptpool_init(kgsl_pagetable_count); if (!kgsl_driver.ptpool) return -ENOMEM; return 0; }
functions
void kgsl_core_exit(void) { kgsl_mmu_ptpool_destroy(kgsl_driver.ptpool); kgsl_driver.ptpool = NULL; kgsl_events_exit(); kgsl_drm_exit(); kgsl_cffdump_destroy(); kgsl_core_debugfs_close(); /* * We call kgsl_sharedmem_uninit_sysfs() and device_unregister() * only if kgsl_driver.virtdev has been populated. ...
functions
__init kgsl_core_init(void) { int result = 0; /* alloc major and minor device numbers */ result = alloc_chrdev_region(&kgsl_driver.major, 0, KGSL_DEVICE_MAX, KGSL_NAME); if (result < 0) { KGSL_CORE_ERR("alloc_chrdev_region failed err = %d\n", result); goto err; }
includes
#include <linux/version.h>
includes
#include <lustre_param.h>
includes
#include <lprocfs_status.h>
includes
#include <obd_support.h>
defines
#define DEBUG_SUBSYSTEM S_LLITE