42 static bool kq_initialize(struct kernel_queue *kq, struct kfd_node *dev,  in kq_initialize()  argument
58 	kq->dev = dev;  in kq_initialize()
59 	kq->nop_packet = nop.u32all;  in kq_initialize()
60 	kq->mqd_mgr = dev->dqm->mqd_mgrs[KFD_MQD_TYPE_HIQ];  in kq_initialize()
61 	if (!kq->mqd_mgr)  in kq_initialize()
71 	retval = kfd_gtt_sa_allocate(dev, queue_size, &kq->pq);  in kq_initialize()
78 	kq->pq_kernel_addr = kq->pq->cpu_ptr;  in kq_initialize()
79 	kq->pq_gpu_addr = kq->pq->gpu_addr;  in kq_initialize()
83 		retval = kfd_gtt_sa_allocate(dev, PAGE_SIZE, &kq->eop_mem);  in kq_initialize()
87 		kq->eop_gpu_addr = kq->eop_mem->gpu_addr;  in kq_initialize()
88 		kq->eop_kernel_addr = kq->eop_mem->cpu_ptr;  in kq_initialize()
90 		memset(kq->eop_kernel_addr, 0, PAGE_SIZE);  in kq_initialize()
93 	retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->rptr_kernel),  in kq_initialize()
94 					&kq->rptr_mem);  in kq_initialize()
99 	kq->rptr_kernel = kq->rptr_mem->cpu_ptr;  in kq_initialize()
100 	kq->rptr_gpu_addr = kq->rptr_mem->gpu_addr;  in kq_initialize()
103 					&kq->wptr_mem);  in kq_initialize()
108 	kq->wptr_kernel = kq->wptr_mem->cpu_ptr;  in kq_initialize()
109 	kq->wptr_gpu_addr = kq->wptr_mem->gpu_addr;  in kq_initialize()
111 	memset(kq->pq_kernel_addr, 0, queue_size);  in kq_initialize()
112 	memset(kq->rptr_kernel, 0, sizeof(*kq->rptr_kernel));  in kq_initialize()
113 	memset(kq->wptr_kernel, 0, dev->kfd->device_info.doorbell_size);  in kq_initialize()
122 	prop.queue_address = kq->pq_gpu_addr;  in kq_initialize()
123 	prop.read_ptr = (uint32_t *) kq->rptr_gpu_addr;  in kq_initialize()
124 	prop.write_ptr = (uint32_t *) kq->wptr_gpu_addr;  in kq_initialize()
125 	prop.eop_ring_buffer_address = kq->eop_gpu_addr;  in kq_initialize()
128 	if (init_queue(&kq->queue, &prop) != 0)  in kq_initialize()
131 	kq->queue->device = dev;  in kq_initialize()
133 	kq->queue->mqd_mem_obj = kq->mqd_mgr->allocate_mqd(kq->mqd_mgr,  in kq_initialize()
134 					&kq->queue->properties);  in kq_initialize()
135 	if (!kq->queue->mqd_mem_obj)  in kq_initialize()
137 	kq->mqd_mgr->init_mqd(kq->mqd_mgr, &kq->queue->mqd,  in kq_initialize()
138 					kq->queue->mqd_mem_obj,  in kq_initialize()
139 					&kq->queue->gart_mqd_addr,  in kq_initialize()
140 					&kq->queue->properties);  in kq_initialize()
144 		kq->queue->pipe = KFD_CIK_HIQ_PIPE;  in kq_initialize()
145 		kq->queue->queue = KFD_CIK_HIQ_QUEUE;  in kq_initialize()
146 		kq->mqd_mgr->load_mqd(kq->mqd_mgr, kq->queue->mqd,  in kq_initialize()
147 				kq->queue->pipe, kq->queue->queue,  in kq_initialize()
148 				&kq->queue->properties, NULL);  in kq_initialize()
151 	print_queue(kq->queue);  in kq_initialize()
155 	uninit_queue(kq->queue);  in kq_initialize()
157 	kfd_gtt_sa_free(dev, kq->wptr_mem);  in kq_initialize()
159 	kfd_gtt_sa_free(dev, kq->rptr_mem);  in kq_initialize()
161 	kfd_gtt_sa_free(dev, kq->eop_mem);  in kq_initialize()
163 	kfd_gtt_sa_free(dev, kq->pq);  in kq_initialize()
172 static void kq_uninitialize(struct kernel_queue *kq)  in kq_uninitialize()  argument
174 …if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ && down_read_trylock(&kq->dev->adev->reset_do…  in kq_uninitialize()
175 		kq->mqd_mgr->destroy_mqd(kq->mqd_mgr,  in kq_uninitialize()
176 					kq->queue->mqd,  in kq_uninitialize()
179 					kq->queue->pipe,  in kq_uninitialize()
180 					kq->queue->queue);  in kq_uninitialize()
181 		up_read(&kq->dev->adev->reset_domain->sem);  in kq_uninitialize()
184 	kq->mqd_mgr->free_mqd(kq->mqd_mgr, kq->queue->mqd,  in kq_uninitialize()
185 				kq->queue->mqd_mem_obj);  in kq_uninitialize()
187 	kfd_gtt_sa_free(kq->dev, kq->rptr_mem);  in kq_uninitialize()
188 	kfd_gtt_sa_free(kq->dev, kq->wptr_mem);  in kq_uninitialize()
193 	kfd_gtt_sa_free(kq->dev, kq->eop_mem);  in kq_uninitialize()
195 	kfd_gtt_sa_free(kq->dev, kq->pq);  in kq_uninitialize()
196 	kfd_release_kernel_doorbell(kq->dev->kfd,  in kq_uninitialize()
197 					kq->queue->properties.doorbell_ptr);  in kq_uninitialize()
198 	uninit_queue(kq->queue);  in kq_uninitialize()
201 int kq_acquire_packet_buffer(struct kernel_queue *kq,  in kq_acquire_packet_buffer()  argument
215 	rptr = *kq->rptr_kernel;  in kq_acquire_packet_buffer()
216 	wptr = kq->pending_wptr;  in kq_acquire_packet_buffer()
217 	wptr64 = kq->pending_wptr64;  in kq_acquire_packet_buffer()
218 	queue_address = (unsigned int *)kq->pq_kernel_addr;  in kq_acquire_packet_buffer()
219 	queue_size_dwords = kq->queue->properties.queue_size / 4;  in kq_acquire_packet_buffer()
245 			queue_address[wptr] = kq->nop_packet;  in kq_acquire_packet_buffer()
252 	kq->pending_wptr = wptr + packet_size_in_dwords;  in kq_acquire_packet_buffer()
253 	kq->pending_wptr64 = wptr64 + packet_size_in_dwords;  in kq_acquire_packet_buffer()
262 int kq_submit_packet(struct kernel_queue *kq)  in kq_submit_packet()  argument
267 	for (i = *kq->wptr_kernel; i < kq->pending_wptr; i++) {  in kq_submit_packet()
268 		pr_debug("0x%2X ", kq->pq_kernel_addr[i]);  in kq_submit_packet()
275 	if (amdgpu_amdkfd_is_fed(kq->dev->adev))  in kq_submit_packet()
281 	if (kq->dev->kfd->device_info.doorbell_size == 8) {  in kq_submit_packet()
282 		*kq->wptr64_kernel = kq->pending_wptr64;  in kq_submit_packet()
284 		write_kernel_doorbell64(kq->queue->properties.doorbell_ptr,  in kq_submit_packet()
285 					kq->pending_wptr64);  in kq_submit_packet()
287 		*kq->wptr_kernel = kq->pending_wptr;  in kq_submit_packet()
289 		write_kernel_doorbell(kq->queue->properties.doorbell_ptr,  in kq_submit_packet()
290 					kq->pending_wptr);  in kq_submit_packet()
296 void kq_rollback_packet(struct kernel_queue *kq)  in kq_rollback_packet()  argument
298 	if (kq->dev->kfd->device_info.doorbell_size == 8) {  in kq_rollback_packet()
299 		kq->pending_wptr64 = *kq->wptr64_kernel;  in kq_rollback_packet()
300 		kq->pending_wptr = *kq->wptr_kernel %  in kq_rollback_packet()
301 			(kq->queue->properties.queue_size / 4);  in kq_rollback_packet()
303 		kq->pending_wptr = *kq->wptr_kernel;  in kq_rollback_packet()
310 	struct kernel_queue *kq;  in kernel_queue_init()  local
312 	kq = kzalloc_obj(*kq);  in kernel_queue_init()
313 	if (!kq)  in kernel_queue_init()
316 	if (kq_initialize(kq, dev, type, KFD_KERNEL_QUEUE_SIZE))  in kernel_queue_init()
317 		return kq;  in kernel_queue_init()
321 	kfree(kq);  in kernel_queue_init()
325 void kernel_queue_uninit(struct kernel_queue *kq)  in kernel_queue_uninit()  argument
327 	kq_uninitialize(kq);  in kernel_queue_uninit()
328 	kfree(kq);  in kernel_queue_uninit()