37 static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev,  in initialize()  argument
57 	kq->dev = dev;  in initialize()
58 	kq->nop_packet = nop.u32all;  in initialize()
62 		kq->mqd_mgr = dev->dqm->ops.get_mqd_manager(dev->dqm,  in initialize()
70 	if (!kq->mqd_mgr)  in initialize()
80 	retval = kfd_gtt_sa_allocate(dev, queue_size, &kq->pq);  in initialize()
86 	kq->pq_kernel_addr = kq->pq->cpu_ptr;  in initialize()
87 	kq->pq_gpu_addr = kq->pq->gpu_addr;  in initialize()
89 	retval = kq->ops_asic_specific.initialize(kq, dev, type, queue_size);  in initialize()
93 	retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->rptr_kernel),  in initialize()
94 					&kq->rptr_mem);  in initialize()
99 	kq->rptr_kernel = kq->rptr_mem->cpu_ptr;  in initialize()
100 	kq->rptr_gpu_addr = kq->rptr_mem->gpu_addr;  in initialize()
103 					&kq->wptr_mem);  in initialize()
108 	kq->wptr_kernel = kq->wptr_mem->cpu_ptr;  in initialize()
109 	kq->wptr_gpu_addr = kq->wptr_mem->gpu_addr;  in initialize()
111 	memset(kq->pq_kernel_addr, 0, queue_size);  in initialize()
112 	memset(kq->rptr_kernel, 0, sizeof(*kq->rptr_kernel));  in initialize()
113 	memset(kq->wptr_kernel, 0, sizeof(*kq->wptr_kernel));  in initialize()
121 	prop.queue_address = kq->pq_gpu_addr;  in initialize()
122 	prop.read_ptr = (uint32_t *) kq->rptr_gpu_addr;  in initialize()
123 	prop.write_ptr = (uint32_t *) kq->wptr_gpu_addr;  in initialize()
124 	prop.eop_ring_buffer_address = kq->eop_gpu_addr;  in initialize()
128 	if (init_queue(&kq->queue, &prop) != 0)  in initialize()
131 	kq->queue->device = dev;  in initialize()
132 	kq->queue->process = kfd_get_process(current);  in initialize()
134 	retval = kq->mqd_mgr->init_mqd(kq->mqd_mgr, &kq->queue->mqd,  in initialize()
135 					&kq->queue->mqd_mem_obj,  in initialize()
136 					&kq->queue->gart_mqd_addr,  in initialize()
137 					&kq->queue->properties);  in initialize()
144 		kq->queue->pipe = KFD_CIK_HIQ_PIPE;  in initialize()
145 		kq->queue->queue = KFD_CIK_HIQ_QUEUE;  in initialize()
146 		kq->mqd_mgr->load_mqd(kq->mqd_mgr, kq->queue->mqd,  in initialize()
147 				kq->queue->pipe, kq->queue->queue,  in initialize()
148 				&kq->queue->properties, NULL);  in initialize()
153 						&kq->fence_mem_obj);  in initialize()
158 		kq->fence_kernel_address = kq->fence_mem_obj->cpu_ptr;  in initialize()
159 		kq->fence_gpu_addr = kq->fence_mem_obj->gpu_addr;  in initialize()
162 	print_queue(kq->queue);  in initialize()
167 	uninit_queue(kq->queue);  in initialize()
169 	kfd_gtt_sa_free(dev, kq->wptr_mem);  in initialize()
171 	kfd_gtt_sa_free(dev, kq->rptr_mem);  in initialize()
173 	kfd_gtt_sa_free(dev, kq->eop_mem);  in initialize()
175 	kfd_gtt_sa_free(dev, kq->pq);  in initialize()
183 static void uninitialize(struct kernel_queue *kq)  in uninitialize()  argument
185 	if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ)  in uninitialize()
186 		kq->mqd_mgr->destroy_mqd(kq->mqd_mgr,  in uninitialize()
187 					kq->queue->mqd,  in uninitialize()
190 					kq->queue->pipe,  in uninitialize()
191 					kq->queue->queue);  in uninitialize()
192 	else if (kq->queue->properties.type == KFD_QUEUE_TYPE_DIQ)  in uninitialize()
193 		kfd_gtt_sa_free(kq->dev, kq->fence_mem_obj);  in uninitialize()
195 	kq->mqd_mgr->uninit_mqd(kq->mqd_mgr, kq->queue->mqd,  in uninitialize()
196 				kq->queue->mqd_mem_obj);  in uninitialize()
198 	kfd_gtt_sa_free(kq->dev, kq->rptr_mem);  in uninitialize()
199 	kfd_gtt_sa_free(kq->dev, kq->wptr_mem);  in uninitialize()
200 	kq->ops_asic_specific.uninitialize(kq);  in uninitialize()
201 	kfd_gtt_sa_free(kq->dev, kq->pq);  in uninitialize()
202 	kfd_release_kernel_doorbell(kq->dev,  in uninitialize()
203 					kq->queue->properties.doorbell_ptr);  in uninitialize()
204 	uninit_queue(kq->queue);  in uninitialize()
207 static int acquire_packet_buffer(struct kernel_queue *kq,  in acquire_packet_buffer()  argument
221 	rptr = *kq->rptr_kernel;  in acquire_packet_buffer()
222 	wptr = kq->pending_wptr;  in acquire_packet_buffer()
223 	wptr64 = kq->pending_wptr64;  in acquire_packet_buffer()
224 	queue_address = (unsigned int *)kq->pq_kernel_addr;  in acquire_packet_buffer()
225 	queue_size_dwords = kq->queue->properties.queue_size / 4;  in acquire_packet_buffer()
251 			queue_address[wptr] = kq->nop_packet;  in acquire_packet_buffer()
258 	kq->pending_wptr = wptr + packet_size_in_dwords;  in acquire_packet_buffer()
259 	kq->pending_wptr64 = wptr64 + packet_size_in_dwords;  in acquire_packet_buffer()
268 static void submit_packet(struct kernel_queue *kq)  in submit_packet()  argument
273 	for (i = *kq->wptr_kernel; i < kq->pending_wptr; i++) {  in submit_packet()
274 		pr_debug("0x%2X ", kq->pq_kernel_addr[i]);  in submit_packet()
281 	kq->ops_asic_specific.submit_packet(kq);  in submit_packet()
284 static void rollback_packet(struct kernel_queue *kq)  in rollback_packet()  argument
286 	if (kq->dev->device_info->doorbell_size == 8) {  in rollback_packet()
287 		kq->pending_wptr64 = *kq->wptr64_kernel;  in rollback_packet()
288 		kq->pending_wptr = *kq->wptr_kernel %  in rollback_packet()
289 			(kq->queue->properties.queue_size / 4);  in rollback_packet()
291 		kq->pending_wptr = *kq->wptr_kernel;  in rollback_packet()
298 	struct kernel_queue *kq;  in kernel_queue_init()  local
300 	kq = kzalloc(sizeof(*kq), GFP_KERNEL);  in kernel_queue_init()
301 	if (!kq)  in kernel_queue_init()
304 	kq->ops.initialize = initialize;  in kernel_queue_init()
305 	kq->ops.uninitialize = uninitialize;  in kernel_queue_init()
306 	kq->ops.acquire_packet_buffer = acquire_packet_buffer;  in kernel_queue_init()
307 	kq->ops.submit_packet = submit_packet;  in kernel_queue_init()
308 	kq->ops.rollback_packet = rollback_packet;  in kernel_queue_init()
316 		kernel_queue_init_vi(&kq->ops_asic_specific);  in kernel_queue_init()
321 		kernel_queue_init_cik(&kq->ops_asic_specific);  in kernel_queue_init()
326 		kernel_queue_init_v9(&kq->ops_asic_specific);  in kernel_queue_init()
334 	if (kq->ops.initialize(kq, dev, type, KFD_KERNEL_QUEUE_SIZE))  in kernel_queue_init()
335 		return kq;  in kernel_queue_init()
340 	kfree(kq);  in kernel_queue_init()
344 void kernel_queue_uninit(struct kernel_queue *kq)  in kernel_queue_uninit()  argument
346 	kq->ops.uninitialize(kq);  in kernel_queue_uninit()
347 	kfree(kq);  in kernel_queue_uninit()
353 	struct kernel_queue *kq;  in test_kq()  local
359 	kq = kernel_queue_init(dev, KFD_QUEUE_TYPE_HIQ);  in test_kq()
360 	if (unlikely(!kq)) {  in test_kq()
366 	retval = kq->ops.acquire_packet_buffer(kq, 5, &buffer);  in test_kq()
373 		buffer[i] = kq->nop_packet;  in test_kq()
374 	kq->ops.submit_packet(kq);  in test_kq()