misc/cxl/sysfs.c

204 	struct cxl_afu *afu = to_afu_chardev_m(device);
206 	return scnprintf(buf, PAGE_SIZE, "%llu\n", afu->adapter->ps_size);
213 	struct cxl_afu *afu = to_afu_chardev_m(device);
215 	return scnprintf(buf, PAGE_SIZE, "%llu\n", afu->native->pp_offset);
222 	struct cxl_afu *afu = to_afu_chardev_m(device);
224 	return scnprintf(buf, PAGE_SIZE, "%llu\n", afu->pp_size);
240 	struct cxl_afu *afu = to_cxl_afu(device);
242 	if (afu->pp_size)
243 		return scnprintf(buf, PAGE_SIZE, "%llu\n", afu->pp_size);
244 	return scnprintf(buf, PAGE_SIZE, "%llu\n", afu->adapter->ps_size);
251 	struct cxl_afu *afu = to_cxl_afu(device);
255 	mutex_lock(&afu->contexts_lock);
256 	if (!idr_is_empty(&afu->contexts_idr)) {
261 	if ((rc = cxl_ops->afu_reset(afu)))
266 	mutex_unlock(&afu->contexts_lock);
274 	struct cxl_afu *afu = to_cxl_afu(device);
276 	return scnprintf(buf, PAGE_SIZE, "%i\n", afu->pp_irqs);
283 	struct cxl_afu *afu = to_cxl_afu(device);
285 	return scnprintf(buf, PAGE_SIZE, "%i\n", afu->irqs_max);
292 	struct cxl_afu *afu = to_cxl_afu(device);
300 	if (irqs_max < afu->pp_irqs)
304 		if (irqs_max > afu->adapter->user_irqs)
308 		if (irqs_max > afu->guest->max_ints)
312 	afu->irqs_max = irqs_max;
319 	struct cxl_afu *afu = to_cxl_afu(device);
322 	if (afu->modes_supported & CXL_MODE_DEDICATED)
324 	if (afu->modes_supported & CXL_MODE_DIRECTED)
333 	struct cxl_afu *afu = to_cxl_afu(device);
335 	switch (afu->prefault_mode) {
349 	struct cxl_afu *afu = to_cxl_afu(device);
370 	afu->prefault_mode = mode;
378 	struct cxl_afu *afu = to_cxl_afu(device);
380 	if (afu->current_mode == CXL_MODE_DEDICATED)
382 	if (afu->current_mode == CXL_MODE_DIRECTED)
390 	struct cxl_afu *afu = to_cxl_afu(device);
395 	mutex_lock(&afu->contexts_lock);
396 	if (!idr_is_empty(&afu->contexts_idr))
415 	old_mode = afu->current_mode;
416 	afu->current_mode = 0;
417 	afu->num_procs = 0;
419 	mutex_unlock(&afu->contexts_lock);
421 	if ((rc = cxl_ops->afu_deactivate_mode(afu, old_mode)))
423 	if ((rc = cxl_ops->afu_activate_mode(afu, mode)))
428 	mutex_unlock(&afu->contexts_lock);
450 	struct cxl_afu *afu = to_cxl_afu(kobj_to_dev(kobj));
452 	return cxl_ops->afu_read_err_buffer(afu, buf, off, count);
545 	struct cxl_afu *afu = to_cxl_afu(kobj_to_dev(kobj->parent));
550 		rc = cxl_ops->afu_cr_read64(afu, cr->cr, off & ~0x7, &val);
588 static struct afu_config_record *cxl_sysfs_afu_new_cr(struct cxl_afu *afu, int cr_idx)
599 	rc = cxl_ops->afu_cr_read16(afu, cr_idx, PCI_DEVICE_ID, &cr->device);
602 	rc = cxl_ops->afu_cr_read16(afu, cr_idx, PCI_VENDOR_ID, &cr->vendor);
605 	rc = cxl_ops->afu_cr_read32(afu, cr_idx, PCI_CLASS_REVISION, &cr->class);
622 	cr->config_attr.size = afu->crs_len;
626 				  &afu->dev.kobj, "cr%i", cr->cr);
649 void cxl_sysfs_afu_remove(struct cxl_afu *afu)
656 	if (afu->eb_len)
657 		device_remove_bin_file(&afu->dev, &afu->attr_eb);
663 			device_remove_file(&afu->dev, &afu_attrs[i]);
666 	list_for_each_entry_safe(cr, tmp, &afu->crs, list) {
672 int cxl_sysfs_afu_add(struct cxl_afu *afu)
678 	INIT_LIST_HEAD(&afu->crs);
684 			if ((rc = device_create_file(&afu->dev, &afu_attrs[i])))
690 	if (afu->eb_len) {
691 		sysfs_attr_init(&afu->attr_eb.attr);
693 		afu->attr_eb.attr.name = "afu_err_buff";
694 		afu->attr_eb.attr.mode = S_IRUGO;
695 		afu->attr_eb.size = afu->eb_len;
696 		afu->attr_eb.read = afu_eb_read;
698 		rc = device_create_bin_file(&afu->dev, &afu->attr_eb);
700 			dev_err(&afu->dev,
701 				"Unable to create eb attr for the afu. Err(%d)\n",
707 	for (i = 0; i < afu->crs_num; i++) {
708 		cr = cxl_sysfs_afu_new_cr(afu, i);
713 		list_add(&cr->list, &afu->crs);
719 	cxl_sysfs_afu_remove(afu);
723 	afu->eb_len = 0;
729 		device_remove_file(&afu->dev, &afu_attrs[i]);
734 int cxl_sysfs_afu_m_add(struct cxl_afu *afu)
743 			if ((rc = device_create_file(afu->chardev_m, &afu_master_attrs[i])))
755 			device_remove_file(afu->chardev_m, &afu_master_attrs[i]);
760 void cxl_sysfs_afu_m_remove(struct cxl_afu *afu)
769 			device_remove_file(afu->chardev_m, &afu_master_attrs[i]);