1 // SPDX-License-Identifier: GPL-2.0
17 	return sprintf(buf, "%s\n", acpi_desc->fwa_noidle ? "Y" : "N");  in firmware_activate_noidle_show()
32 	if (val != acpi_desc->fwa_noidle)  in firmware_activate_noidle_store()
33 		acpi_desc->fwa_cap = NVDIMM_FWA_CAP_INVALID;  in firmware_activate_noidle_store()
34 	acpi_desc->fwa_noidle = val;  in firmware_activate_noidle_store()
45 	if (!test_bit(NVDIMM_BUS_FAMILY_INTEL, &nd_desc->bus_family_mask))  in intel_fwa_supported()
48 	mask = &acpi_desc->family_dsm_mask[NVDIMM_BUS_FAMILY_INTEL];  in intel_fwa_supported()
72 	if (!test_bit(NVDIMM_INTEL_GET_SECURITY_STATE, &nfit_mem->dsm_mask))  in intel_security_flags()
135 	if (!test_bit(NVDIMM_INTEL_FREEZE_LOCK, &nfit_mem->dsm_mask))  in intel_security_freeze()
136 		return -ENOTTY;  in intel_security_freeze()
142 		return -EIO;  in intel_security_freeze()
169 	if (!test_bit(cmd, &nfit_mem->dsm_mask))  in intel_security_change_key()
170 		return -ENOTTY;  in intel_security_change_key()
172 	memcpy(nd_cmd.cmd.old_pass, old_data->data,  in intel_security_change_key()
174 	memcpy(nd_cmd.cmd.new_pass, new_data->data,  in intel_security_change_key()
184 		return -EINVAL;  in intel_security_change_key()
186 		return -EOPNOTSUPP;  in intel_security_change_key()
189 		return -EIO;  in intel_security_change_key()
213 	if (!test_bit(NVDIMM_INTEL_UNLOCK_UNIT, &nfit_mem->dsm_mask))  in intel_security_unlock()
214 		return -ENOTTY;  in intel_security_unlock()
216 	memcpy(nd_cmd.cmd.passphrase, key_data->data,  in intel_security_unlock()
225 		return -EINVAL;  in intel_security_unlock()
227 		return -EIO;  in intel_security_unlock()
254 	if (!test_bit(NVDIMM_INTEL_DISABLE_PASSPHRASE, &nfit_mem->dsm_mask))  in intel_security_disable()
255 		return -ENOTTY;  in intel_security_disable()
257 	memcpy(nd_cmd.cmd.passphrase, key_data->data,  in intel_security_disable()
267 		return -EINVAL;  in intel_security_disable()
270 		return -ENXIO;  in intel_security_disable()
297 	if (!test_bit(cmd, &nfit_mem->dsm_mask))  in intel_security_erase()
298 		return -ENOTTY;  in intel_security_erase()
302 	memcpy(nd_cmd.cmd.passphrase, key->data,  in intel_security_erase()
312 		return -EOPNOTSUPP;  in intel_security_erase()
314 		return -EINVAL;  in intel_security_erase()
317 		return -ENXIO;  in intel_security_erase()
341 	if (!test_bit(NVDIMM_INTEL_QUERY_OVERWRITE, &nfit_mem->dsm_mask))  in intel_security_query_overwrite()
342 		return -ENOTTY;  in intel_security_query_overwrite()
352 		return -EBUSY;  in intel_security_query_overwrite()
354 		return -ENXIO;  in intel_security_query_overwrite()
380 	if (!test_bit(NVDIMM_INTEL_OVERWRITE, &nfit_mem->dsm_mask))  in intel_security_overwrite()
381 		return -ENOTTY;  in intel_security_overwrite()
385 	memcpy(nd_cmd.cmd.passphrase, nkey->data,  in intel_security_overwrite()
395 		return -ENOTSUPP;  in intel_security_overwrite()
397 		return -EINVAL;  in intel_security_overwrite()
400 		return -ENXIO;  in intel_security_overwrite()
453 	rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_CALL, &nd_cmd, sizeof(nd_cmd),  in intel_bus_fwa_businfo()
459 /* The fw_ops expect to be called with the nvdimm_bus_lock() held */
465 	struct device *dev = acpi_desc->dev;  in intel_bus_fwa_state()
470 	 * It should not be possible for platform firmware to return  in intel_bus_fwa_state()
471 	 * busy because activate is a synchronous operation. Treat it  in intel_bus_fwa_state()
472 	 * similar to invalid, i.e. always refresh / poll the status.  in intel_bus_fwa_state()
474 	switch (acpi_desc->fwa_state) {  in intel_bus_fwa_state()
479 		/* check if capability needs to be refreshed */  in intel_bus_fwa_state()
480 		if (acpi_desc->fwa_cap == NVDIMM_FWA_CAP_INVALID)  in intel_bus_fwa_state()
482 		return acpi_desc->fwa_state;  in intel_bus_fwa_state()
504 		dev_err_once(dev, "invalid firmware activate state %d\n",  in intel_bus_fwa_state()
511 	 * is expected to be static.  in intel_bus_fwa_state()
513 	if (acpi_desc->fwa_cap == NVDIMM_FWA_CAP_INVALID) {  in intel_bus_fwa_state()
515 			acpi_desc->fwa_cap = NVDIMM_FWA_CAP_QUIESCE;  in intel_bus_fwa_state()
519 			 * indicates that it does not need devices to be  in intel_bus_fwa_state()
522 			acpi_desc->fwa_cap = NVDIMM_FWA_CAP_LIVE;  in intel_bus_fwa_state()
524 			acpi_desc->fwa_cap = NVDIMM_FWA_CAP_NONE;  in intel_bus_fwa_state()
527 	acpi_desc->fwa_state = state;  in intel_bus_fwa_state()
537 	if (acpi_desc->fwa_cap > NVDIMM_FWA_CAP_INVALID)  in intel_bus_fwa_capability()
538 		return acpi_desc->fwa_cap;  in intel_bus_fwa_capability()
541 		return acpi_desc->fwa_cap;  in intel_bus_fwa_capability()
563 		 * Even though activate is run from a suspended context,  in intel_bus_fwa_activate()
564 		 * for safety, still ask platform firmware to force  in intel_bus_fwa_activate()
569 			.iodev_state = acpi_desc->fwa_noidle  in intel_bus_fwa_activate()
581 		return -ENXIO;  in intel_bus_fwa_activate()
584 	rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_CALL, &nd_cmd, sizeof(nd_cmd),  in intel_bus_fwa_activate()
589 	 * for the result needs to query the DIMMs individually.  in intel_bus_fwa_activate()
590 	 * Increment the activation count to invalidate all the DIMM  in intel_bus_fwa_activate()
591 	 * states at once (it's otherwise not possible to take  in intel_bus_fwa_activate()
592 	 * acpi_desc->init_mutex in this context)  in intel_bus_fwa_activate()
594 	acpi_desc->fwa_state = NVDIMM_FWA_INVALID;  in intel_bus_fwa_activate()
595 	acpi_desc->fwa_count++;  in intel_bus_fwa_activate()
597 	dev_dbg(acpi_desc->dev, "result: %d\n", rc);  in intel_bus_fwa_activate()
605 	.activate = intel_bus_fwa_activate,
636 	struct acpi_nfit_desc *acpi_desc = nfit_mem->acpi_desc;  in intel_fwa_state()
641 	 * Similar to the bus state, since activate is synchronous the  in intel_fwa_state()
642 	 * busy state should resolve within the context of 'activate'.  in intel_fwa_state()
644 	switch (nfit_mem->fwa_state) {  in intel_fwa_state()
650 		if (nfit_mem->fwa_count == acpi_desc->fwa_count)  in intel_fwa_state()
651 			return nfit_mem->fwa_state;  in intel_fwa_state()
660 		nfit_mem->fwa_state = NVDIMM_FWA_IDLE;  in intel_fwa_state()
663 		nfit_mem->fwa_state = NVDIMM_FWA_BUSY;  in intel_fwa_state()
666 		nfit_mem->fwa_state = NVDIMM_FWA_ARMED;  in intel_fwa_state()
669 		nfit_mem->fwa_state = NVDIMM_FWA_INVALID;  in intel_fwa_state()
675 		nfit_mem->fwa_result = NVDIMM_FWA_RESULT_NONE;  in intel_fwa_state()
678 		nfit_mem->fwa_result = NVDIMM_FWA_RESULT_SUCCESS;  in intel_fwa_state()
681 		nfit_mem->fwa_result = NVDIMM_FWA_RESULT_NOTSTAGED;  in intel_fwa_state()
684 		nfit_mem->fwa_result = NVDIMM_FWA_RESULT_NEEDRESET;  in intel_fwa_state()
691 		nfit_mem->fwa_result = NVDIMM_FWA_RESULT_FAIL;  in intel_fwa_state()
695 	nfit_mem->fwa_count = acpi_desc->fwa_count;  in intel_fwa_state()
697 	return nfit_mem->fwa_state;  in intel_fwa_state()
703 	struct acpi_nfit_desc *acpi_desc = nfit_mem->acpi_desc;  in intel_fwa_result()
705 	if (nfit_mem->fwa_count == acpi_desc->fwa_count  in intel_fwa_result()
706 			&& nfit_mem->fwa_result > NVDIMM_FWA_RESULT_INVALID)  in intel_fwa_result()
707 		return nfit_mem->fwa_result;  in intel_fwa_result()
710 		return nfit_mem->fwa_result;  in intel_fwa_result()
718 	struct acpi_nfit_desc *acpi_desc = nfit_mem->acpi_desc;  in intel_fwa_arm()
742 		return -ENXIO;  in intel_fwa_arm()
744 		return -EBUSY;  in intel_fwa_arm()
754 		return -ENXIO;  in intel_fwa_arm()
758 	 * Invalidate the bus-level state, now that we're committed to  in intel_fwa_arm()
761 	acpi_desc->fwa_state = NVDIMM_FWA_INVALID;  in intel_fwa_arm()
762 	nfit_mem->fwa_state = NVDIMM_FWA_INVALID;  in intel_fwa_arm()
766 	dev_dbg(acpi_desc->dev, "%s result: %d\n", arm == NVDIMM_FWA_ARM  in intel_fwa_arm()