misc/ocxl/config.c

423 			struct ocxl_afu_config *afu)
433 		ptr = (u32 *) &afu->name[i];
436 	afu->name[OCXL_AFU_NAME_SZ - 1] = '\0'; /* play safe */
441 			struct ocxl_afu_config *afu)
452 	afu->global_mmio_bar = EXTRACT_BITS(val, 0, 2);
453 	afu->global_mmio_offset = EXTRACT_BITS(val, 16, 31) << 16;
458 	afu->global_mmio_offset += (u64) val << 32;
463 	afu->global_mmio_size = val;
471 	afu->pp_mmio_bar = EXTRACT_BITS(val, 0, 2);
472 	afu->pp_mmio_offset = EXTRACT_BITS(val, 16, 31) << 16;
477 	afu->pp_mmio_offset += (u64) val << 32;
482 	afu->pp_mmio_stride = val;
487 static int read_afu_control(struct pci_dev *dev, struct ocxl_afu_config *afu)
493 	pos = find_dvsec_afu_ctrl(dev, afu->idx);
496 			afu->idx);
499 	afu->dvsec_afu_control_pos = pos;
502 	afu->pasid_supported_log = EXTRACT_BITS(val8, 0, 4);
505 	afu->actag_supported = EXTRACT_BITS(val16, 0, 11);
525 static int validate_afu(struct pci_dev *dev, struct ocxl_afu_config *afu)
529 	if (!afu->name[0]) {
534 		if (!char_allowed(afu->name[i])) {
541 	if (afu->global_mmio_bar != 0 &&
542 		afu->global_mmio_bar != 2 &&
543 		afu->global_mmio_bar != 4) {
547 	if (afu->pp_mmio_bar != 0 &&
548 		afu->pp_mmio_bar != 2 &&
549 		afu->pp_mmio_bar != 4) {
560  * @afu: the AFU struct to populate the LPC metadata into
566 				    struct ocxl_afu_config *afu)
575 	afu->lpc_mem_offset = 0;
576 	afu->lpc_mem_size = 0;
577 	afu->special_purpose_mem_offset = 0;
578 	afu->special_purpose_mem_size = 0;
614 	afu->lpc_mem_offset = val32;
620 	afu->lpc_mem_offset |= (u64) val32 << 32;
641 	afu->lpc_mem_size = lpc_mem_size;
644 		afu->special_purpose_mem_offset =
645 			afu->lpc_mem_offset + lpc_mem_size;
646 		afu->special_purpose_mem_size =
653 			struct ocxl_afu_config *afu, u8 afu_idx)
663 	afu->idx = afu_idx;
666 			afu->idx);
668 	rc = read_afu_name(dev, fn, afu);
675 	afu->version_major = EXTRACT_BITS(val32, 24, 31);
676 	afu->version_minor = EXTRACT_BITS(val32, 16, 23);
677 	afu->afuc_type = EXTRACT_BITS(val32, 14, 15);
678 	afu->afum_type = EXTRACT_BITS(val32, 12, 13);
679 	afu->profile = EXTRACT_BITS(val32, 0, 7);
681 	rc = read_afu_mmio(dev, fn, afu);
685 	rc = read_afu_lpc_memory_info(dev, fn, afu);
689 	rc = read_afu_control(dev, afu);
694 	dev_dbg(&dev->dev, "  name = %s\n", afu->name);
695 	dev_dbg(&dev->dev, "  version = %d.%d\n", afu->version_major,
696 		afu->version_minor);
697 	dev_dbg(&dev->dev, "  global mmio bar = %hhu\n", afu->global_mmio_bar);
699 		afu->global_mmio_offset);
700 	dev_dbg(&dev->dev, "  global mmio size = %#x\n", afu->global_mmio_size);
701 	dev_dbg(&dev->dev, "  pp mmio bar = %hhu\n", afu->pp_mmio_bar);
702 	dev_dbg(&dev->dev, "  pp mmio offset = %#llx\n", afu->pp_mmio_offset);
703 	dev_dbg(&dev->dev, "  pp mmio stride = %#x\n", afu->pp_mmio_stride);
704 	dev_dbg(&dev->dev, "  lpc_mem offset = %#llx\n", afu->lpc_mem_offset);
705 	dev_dbg(&dev->dev, "  lpc_mem size = %#llx\n", afu->lpc_mem_size);
707 		afu->special_purpose_mem_offset);
709 		afu->special_purpose_mem_size);
711 		afu->pasid_supported_log);
713 		afu->actag_supported);
715 	rc = validate_afu(dev, afu);