cxl/core/memdev.c

129 	int rc = 0;
134 		rc = sysfs_emit(buf, "sanitize\n");
136 	if (rc)
137 		return rc;
159 	ssize_t rc;
164 	rc = cxl_mem_sanitize(cxlmd, CXL_MBOX_OP_SANITIZE);
165 	if (rc)
166 		return rc;
178 	ssize_t rc;
184 	rc = cxl_mem_sanitize(cxlmd, CXL_MBOX_OP_SECURE_ERASE);
185 	if (rc)
186 		return rc;
197 	int rc = 0;
203 		rc = cxl_mem_get_poison(cxlmd, offset, length, NULL);
204 		if (rc)
205 			return rc;
210 		rc = cxl_mem_get_poison(cxlmd, offset, length, NULL);
215 		if (rc == -EFAULT)
216 			rc = 0;
218 	return rc;
224 	int rc;
230 	rc = down_read_interruptible(&cxl_region_rwsem);
231 	if (rc)
232 		return rc;
234 	rc = down_read_interruptible(&cxl_dpa_rwsem);
235 	if (rc) {
237 		return rc;
242 		rc = cxl_get_poison_by_memdev(cxlmd);
245 		rc =  cxl_get_poison_by_endpoint(port);
250 	return rc;
329 	int rc;
334 	rc = down_read_interruptible(&cxl_region_rwsem);
335 	if (rc)
336 		return rc;
338 	rc = down_read_interruptible(&cxl_dpa_rwsem);
339 	if (rc) {
341 		return rc;
344 	rc = cxl_validate_poison_dpa(cxlmd, dpa);
345 	if (rc)
354 	rc = cxl_internal_send_cmd(mds, &mbox_cmd);
355 	if (rc)
373 	return rc;
384 	int rc;
389 	rc = down_read_interruptible(&cxl_region_rwsem);
390 	if (rc)
391 		return rc;
393 	rc = down_read_interruptible(&cxl_dpa_rwsem);
394 	if (rc) {
396 		return rc;
399 	rc = cxl_validate_poison_dpa(cxlmd, dpa);
400 	if (rc)
418 	rc = cxl_internal_send_cmd(mds, &mbox_cmd);
419 	if (rc)
437 	return rc;
668 	int rc;
674 	rc = ida_alloc_max(&cxl_memdev_ida, CXL_MEM_MAX_DEVS - 1, GFP_KERNEL);
675 	if (rc < 0)
677 	cxlmd->id = rc;
696 	return ERR_PTR(rc);
717 	int rc = -ENXIO;
722 		rc = __cxl_memdev_ioctl(cxlmd, cmd, arg);
725 	return rc;
763 	int rc;
771 	rc = cxl_internal_send_cmd(mds, &mbox_cmd);
772 	if (rc < 0)
773 		return rc;
828 	int rc;
845 	rc = cxl_internal_send_cmd(mds, &mbox_cmd);
847 	return rc;
862 	int rc;
864 	rc = cxl_mem_abort_fw_xfer(mds);
865 	if (rc < 0)
866 		dev_err(&cxlmd->dev, "Error aborting FW transfer: %d\n", rc);
906 	int rc;
968 	rc = cxl_internal_send_cmd(mds, &mbox_cmd);
969 	if (rc < 0) {
970 		rc = FW_UPLOAD_ERR_RW_ERROR;
980 		rc = cxl_mem_activate_fw(mds, mds->fw.next_slot);
981 		if (rc < 0) {
983 				rc);
984 			rc = FW_UPLOAD_ERR_HW_ERROR;
989 	rc = FW_UPLOAD_ERR_NONE;
993 	return rc;
1064 	int rc;
1071 	rc = dev_set_name(dev, "mem%d", cxlmd->id);
1072 	if (rc)
1083 	rc = cdev_device_add(cdev, dev);
1084 	if (rc)
1087 	rc = devm_add_action_or_reset(host, cxl_memdev_unregister, cxlmd);
1088 	if (rc)
1089 		return ERR_PTR(rc);
1099 	return ERR_PTR(rc);
1150 	int rc;
1152 	rc = alloc_chrdev_region(&devt, 0, CXL_MEM_MAX_DEVS, "cxl");
1153 	if (rc)
1154 		return rc;