diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c index 34772fe74296..dd3c43c1ad70 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c @@ -50,29 +50,29 @@ static void interrupt_wq(struct work_struct *); -int kfd_interrupt_init(struct kfd_dev *kfd) +int kfd_interrupt_init(struct kfd_node *node) { int r; - r = kfifo_alloc(&kfd->ih_fifo, - KFD_IH_NUM_ENTRIES * kfd->device_info.ih_ring_entry_size, + r = kfifo_alloc(&node->ih_fifo, + KFD_IH_NUM_ENTRIES * node->kfd->device_info.ih_ring_entry_size, GFP_KERNEL); if (r) { - dev_err(kfd->adev->dev, "Failed to allocate IH fifo\n"); + dev_err(node->adev->dev, "Failed to allocate IH fifo\n"); return r; } - kfd->ih_wq = alloc_workqueue("KFD IH", WQ_HIGHPRI, 1); - if (unlikely(!kfd->ih_wq)) { - kfifo_free(&kfd->ih_fifo); - dev_err(kfd->adev->dev, "Failed to allocate KFD IH workqueue\n"); + node->ih_wq = alloc_workqueue("KFD IH", WQ_HIGHPRI, 1); + if (unlikely(!node->ih_wq)) { + kfifo_free(&node->ih_fifo); + dev_err(node->adev->dev, "Failed to allocate KFD IH workqueue\n"); return -ENOMEM; } - spin_lock_init(&kfd->interrupt_lock); + spin_lock_init(&node->interrupt_lock); - INIT_WORK(&kfd->interrupt_work, interrupt_wq); + INIT_WORK(&node->interrupt_work, interrupt_wq); - kfd->interrupts_active = true; + node->interrupts_active = true; /* * After this function returns, the interrupt will be enabled. This @@ -84,7 +84,7 @@ int kfd_interrupt_init(struct kfd_dev *kfd) return 0; } -void kfd_interrupt_exit(struct kfd_dev *kfd) +void kfd_interrupt_exit(struct kfd_node *node) { /* * Stop the interrupt handler from writing to the ring and scheduling @@ -93,31 +93,31 @@ void kfd_interrupt_exit(struct kfd_dev *kfd) */ unsigned long flags; - spin_lock_irqsave(&kfd->interrupt_lock, flags); - kfd->interrupts_active = false; - spin_unlock_irqrestore(&kfd->interrupt_lock, flags); + spin_lock_irqsave(&node->interrupt_lock, flags); + node->interrupts_active = false; + spin_unlock_irqrestore(&node->interrupt_lock, flags); /* * flush_work ensures that there are no outstanding * work-queue items that will access interrupt_ring. New work items * can't be created because we stopped interrupt handling above. */ - flush_workqueue(kfd->ih_wq); + flush_workqueue(node->ih_wq); - kfifo_free(&kfd->ih_fifo); + kfifo_free(&node->ih_fifo); } /* * Assumption: single reader/writer. This function is not re-entrant */ -bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry) +bool enqueue_ih_ring_entry(struct kfd_node *node, const void *ih_ring_entry) { int count; - count = kfifo_in(&kfd->ih_fifo, ih_ring_entry, - kfd->device_info.ih_ring_entry_size); - if (count != kfd->device_info.ih_ring_entry_size) { - dev_dbg_ratelimited(kfd->adev->dev, + count = kfifo_in(&node->ih_fifo, ih_ring_entry, + node->kfd->device_info.ih_ring_entry_size); + if (count != node->kfd->device_info.ih_ring_entry_size) { + dev_dbg_ratelimited(node->adev->dev, "Interrupt ring overflow, dropping interrupt %d\n", count); return false; @@ -129,32 +129,32 @@ bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry) /* * Assumption: single reader/writer. This function is not re-entrant */ -static bool dequeue_ih_ring_entry(struct kfd_dev *kfd, void *ih_ring_entry) +static bool dequeue_ih_ring_entry(struct kfd_node *node, void *ih_ring_entry) { int count; - count = kfifo_out(&kfd->ih_fifo, ih_ring_entry, - kfd->device_info.ih_ring_entry_size); + count = kfifo_out(&node->ih_fifo, ih_ring_entry, + node->kfd->device_info.ih_ring_entry_size); - WARN_ON(count && count != kfd->device_info.ih_ring_entry_size); + WARN_ON(count && count != node->kfd->device_info.ih_ring_entry_size); - return count == kfd->device_info.ih_ring_entry_size; + return count == node->kfd->device_info.ih_ring_entry_size; } static void interrupt_wq(struct work_struct *work) { - struct kfd_dev *dev = container_of(work, struct kfd_dev, + struct kfd_node *dev = container_of(work, struct kfd_node, interrupt_work); uint32_t ih_ring_entry[KFD_MAX_RING_ENTRY_SIZE]; unsigned long start_jiffies = jiffies; - if (dev->device_info.ih_ring_entry_size > sizeof(ih_ring_entry)) { + if (dev->kfd->device_info.ih_ring_entry_size > sizeof(ih_ring_entry)) { dev_err_once(dev->adev->dev, "Ring entry too small\n"); return; } while (dequeue_ih_ring_entry(dev, ih_ring_entry)) { - dev->device_info.event_interrupt_class->interrupt_wq(dev, + dev->kfd->device_info.event_interrupt_class->interrupt_wq(dev, ih_ring_entry); if (time_is_before_jiffies(start_jiffies + HZ)) { /* If we spent more than a second processing signals, @@ -166,14 +166,14 @@ static void interrupt_wq(struct work_struct *work) } } -bool interrupt_is_wanted(struct kfd_dev *dev, +bool interrupt_is_wanted(struct kfd_node *dev, const uint32_t *ih_ring_entry, uint32_t *patched_ihre, bool *flag) { /* integer and bitwise OR so there is no boolean short-circuiting */ unsigned int wanted = 0; - wanted |= dev->device_info.event_interrupt_class->interrupt_isr(dev, + wanted |= dev->kfd->device_info.event_interrupt_class->interrupt_isr(dev, ih_ring_entry, patched_ihre, flag); return wanted != 0; |