C++ (Cpp) MAKE_SCRATCH_APP_LIMIT Examples

Example #1

File: kfd_flat_memory.c Project: 383530895/linux

int kfd_init_apertures(struct kfd_process *process)
{
	uint8_t id  = 0;
	struct kfd_dev *dev;
	struct kfd_process_device *pdd;

	mutex_lock(&process->mutex);

	/*Iterating over all devices*/
	while ((dev = kfd_topology_enum_kfd_devices(id)) != NULL &&
		id < NUM_OF_SUPPORTED_GPUS) {

		pdd = kfd_get_process_device_data(dev, process, 1);

		/*
		 * For 64 bit process aperture will be statically reserved in
		 * the x86_64 non canonical process address space
		 * amdkfd doesn't currently support apertures for 32 bit process
		 */
		if (process->is_32bit_user_mode) {
			pdd->lds_base = pdd->lds_limit = 0;
			pdd->gpuvm_base = pdd->gpuvm_limit = 0;
			pdd->scratch_base = pdd->scratch_limit = 0;
		} else {
			/*
			 * node id couldn't be 0 - the three MSB bits of
			 * aperture shoudn't be 0
			 */
			pdd->lds_base = MAKE_LDS_APP_BASE(id + 1);

			pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base);

			pdd->gpuvm_base = MAKE_GPUVM_APP_BASE(id + 1);

			pdd->gpuvm_limit =
					MAKE_GPUVM_APP_LIMIT(pdd->gpuvm_base);

			pdd->scratch_base = MAKE_SCRATCH_APP_BASE(id + 1);

			pdd->scratch_limit =
				MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base);
		}

		dev_dbg(kfd_device, "node id %u\n", id);
		dev_dbg(kfd_device, "gpu id %u\n", pdd->dev->id);
		dev_dbg(kfd_device, "lds_base %llX\n", pdd->lds_base);
		dev_dbg(kfd_device, "lds_limit %llX\n", pdd->lds_limit);
		dev_dbg(kfd_device, "gpuvm_base %llX\n", pdd->gpuvm_base);
		dev_dbg(kfd_device, "gpuvm_limit %llX\n", pdd->gpuvm_limit);
		dev_dbg(kfd_device, "scratch_base %llX\n", pdd->scratch_base);
		dev_dbg(kfd_device, "scratch_limit %llX\n", pdd->scratch_limit);

		id++;
	}

	mutex_unlock(&process->mutex);

	return 0;
}

Example #2

File: kfd_flat_memory.c Project: RadeonOpenCompute/ROCK-Kernel-Driver

int kfd_init_apertures(struct kfd_process *process)
{
	uint8_t id  = 0;
	struct kfd_dev *dev;
	struct kfd_process_device *pdd;

	/*Iterating over all devices*/
	while (kfd_topology_enum_kfd_devices(id, &dev) == 0) {
		if (!dev) {
			id++; /* Skip non GPU devices */
			continue;
		}

		pdd = kfd_create_process_device_data(dev, process);
		if (pdd == NULL) {
			pr_err("Failed to create process device data\n");
			goto err;
		}
		/*
		 * For 64 bit process aperture will be statically reserved in
		 * the x86_64 non canonical process address space
		 * amdkfd doesn't currently support apertures for 32 bit process
		 */
		if (process->is_32bit_user_mode) {
			pdd->lds_base = pdd->lds_limit = 0;
			pdd->gpuvm_base = pdd->gpuvm_limit = 0;
			pdd->scratch_base = pdd->scratch_limit = 0;
		} else {
			/*
			 * node id couldn't be 0 - the three MSB bits of
			 * aperture shoudn't be 0
			 */
			pdd->lds_base = MAKE_LDS_APP_BASE();

			pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base);

			pdd->gpuvm_base = MAKE_GPUVM_APP_BASE(id + 1);

			pdd->gpuvm_limit = MAKE_GPUVM_APP_LIMIT(
				pdd->gpuvm_base,
				dev->shared_resources.gpuvm_size);

			pdd->scratch_base = MAKE_SCRATCH_APP_BASE();

			pdd->scratch_limit =
				MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base);

			if (KFD_IS_DGPU(dev->device_info->asic_family)) {
				pdd->qpd.cwsr_base = DGPU_VM_BASE_DEFAULT;
				pdd->qpd.ib_base = DGPU_IB_BASE_DEFAULT;
			}
		}

		dev_dbg(kfd_device, "node id %u\n", id);
		dev_dbg(kfd_device, "gpu id %u\n", pdd->dev->id);
		dev_dbg(kfd_device, "lds_base %llX\n", pdd->lds_base);
		dev_dbg(kfd_device, "lds_limit %llX\n", pdd->lds_limit);
		dev_dbg(kfd_device, "gpuvm_base %llX\n", pdd->gpuvm_base);
		dev_dbg(kfd_device, "gpuvm_limit %llX\n", pdd->gpuvm_limit);
		dev_dbg(kfd_device, "scratch_base %llX\n", pdd->scratch_base);
		dev_dbg(kfd_device, "scratch_limit %llX\n", pdd->scratch_limit);

		id++;
	}

	return 0;

err:
	return -1;
}