1 /*-
123 	if (dev->dv_type == DEVT_DISK)  in efiblk_get_pdinfo_list()
125 	if (dev->dv_type == DEVT_CD)  in efiblk_get_pdinfo_list()
127 	if (dev->dv_type == DEVT_FD)  in efiblk_get_pdinfo_list()
137 	pdinfo_t *pd = NULL;  in efiblk_get_pdinfo()  local
139 	pdi = efiblk_get_pdinfo_list(dev->d_dev);  in efiblk_get_pdinfo()
141 		return (pd);  in efiblk_get_pdinfo()
143 	STAILQ_FOREACH(pd, pdi, pd_link) {  in efiblk_get_pdinfo()
144 		if (pd->pd_unit == dev->d_unit)  in efiblk_get_pdinfo()
145 			return (pd);  in efiblk_get_pdinfo()
147 	return (pd);  in efiblk_get_pdinfo()
157 	status = BS->LocateDevicePath(&blkio_guid, &devp, &h);  in efiblk_get_pdinfo_by_device_path()
164 same_handle(pdinfo_t *pd, EFI_HANDLE h)  in same_handle()  argument
167 	return (pd->pd_handle == h || pd->pd_alias == h);  in same_handle()
181 		STAILQ_FOREACH(pp, &dp->pd_part, pd_link) {  in efiblk_get_pdinfo_by_handle()
189 		STAILQ_FOREACH(pp, &dp->pd_part, pd_link) {  in efiblk_get_pdinfo_by_handle()
204 	pdinfo_t *pd;  in efiblk_pdinfo_count()  local
207 	STAILQ_FOREACH(pd, pdi, pd_link) {  in efiblk_pdinfo_count()
216 	pdinfo_t *pd;  in efipart_find_parent()  local
225 	STAILQ_FOREACH(pd, pdi, pd_link) {  in efipart_find_parent()
227 		if (efi_devpath_match(pd->pd_devpath, parent))  in efipart_find_parent()
231 	return (pd);  in efipart_find_parent()
241 	EFI_DEVICE_PATH *node, *parent;  in efipart_ignore_device()  local
250 	if (blkio->Media->BlockSize < 512 ||  in efipart_ignore_device()
251 	    blkio->Media->BlockSize > (1 << 16) ||  in efipart_ignore_device()
252 	    !powerof2(blkio->Media->BlockSize)) {  in efipart_ignore_device()
258 	if (blkio->Media->IoAlign > 1 &&  in efipart_ignore_device()
259 	    !powerof2(blkio->Media->IoAlign)) {  in efipart_ignore_device()
282 	 * Therefore, if this node is USB, or this node is Unit (LUN) and  in efipart_ignore_device()
298 	if (blkio->Media->MediaPresent)  in efipart_ignore_device()
301 	node = efi_devpath_last_node(devpath);  in efipart_ignore_device()
302 	if (node == NULL)  in efipart_ignore_device()
306 	if (DevicePathType(node) == MESSAGING_DEVICE_PATH &&  in efipart_ignore_device()
307 	    DevicePathSubType(node) == MSG_USB_DP) {  in efipart_ignore_device()
316 		node = efi_devpath_last_node(parent);  in efipart_ignore_device()
317 		if (node == NULL) {  in efipart_ignore_device()
321 		if (DevicePathType(node) == MESSAGING_DEVICE_PATH &&  in efipart_ignore_device()
322 		    DevicePathSubType(node) == MSG_USB_DP)  in efipart_ignore_device()
326 		node = efi_devpath_last_node(devpath);  in efipart_ignore_device()
327 		if (node == NULL)  in efipart_ignore_device()
330 		    DevicePathType(node) == MESSAGING_DEVICE_PATH) {  in efipart_ignore_device()
335 			if (DevicePathSubType(node) ==  in efipart_ignore_device()
337 			    DevicePathSubType(node) == MSG_SCSI_DP) {  in efipart_ignore_device()
355 	pdinfo_t *pd;  in efipart_inithandles()  local
362 	status = BS->LocateHandle(ByProtocol, &blkio_guid, 0, &sz, hin);  in efipart_inithandles()
367 		status = BS->LocateHandle(ByProtocol, &blkio_guid, 0, &sz,  in efipart_inithandles()
399 		if ((pd = calloc(1, sizeof(*pd))) == NULL) {  in efipart_inithandles()
404 		STAILQ_INIT(&pd->pd_part);  in efipart_inithandles()
406 		pd->pd_handle = hin[i];  in efipart_inithandles()
407 		pd->pd_devpath = devpath;  in efipart_inithandles()
408 		pd->pd_blkio = blkio;  in efipart_inithandles()
409 		STAILQ_INSERT_TAIL(&pdinfo, pd, pd_link);  in efipart_inithandles()
415 	STAILQ_FOREACH(pd, &pdinfo, pd_link) {  in efipart_inithandles()
416 		pd->pd_parent = efipart_find_parent(&pdinfo, pd->pd_devpath);  in efipart_inithandles()
423  * Get node identified by pd_test() from plist.
428 	pdinfo_t *pd;  in efipart_get_pd()  local
430 	STAILQ_FOREACH(pd, plist, pd_link) {  in efipart_get_pd()
431 		if (pd_test(pd, data))  in efipart_get_pd()
435 	return (pd);  in efipart_get_pd()
439 efipart_floppy(EFI_DEVICE_PATH *node)  in efipart_floppy()  argument
443 	if (DevicePathType(node) == ACPI_DEVICE_PATH &&  in efipart_floppy()
444 	    DevicePathSubType(node) == ACPI_DP) {  in efipart_floppy()
445 		acpi = (ACPI_HID_DEVICE_PATH *) node;  in efipart_floppy()
446 		if (acpi->HID == EISA_PNP_ID(PNP0604) ||  in efipart_floppy()
447 		    acpi->HID == EISA_PNP_ID(PNP0700) ||  in efipart_floppy()
448 		    acpi->HID == EISA_PNP_ID(PNP0701)) {  in efipart_floppy()
458 	EFI_DEVICE_PATH *node;  in efipart_testfd()  local
460 	node = efi_devpath_last_node(fd->pd_devpath);  in efipart_testfd()
461 	if (node == NULL)  in efipart_testfd()
464 	if (efipart_floppy(node) != NULL)  in efipart_testfd()
473 	EFI_DEVICE_PATH *node;  in efipart_initfd()  local
478 		if ((node = efi_devpath_last_node(fd->pd_devpath)) == NULL)  in efipart_initfd()
481 		if ((acpi = efipart_floppy(node)) == NULL)  in efipart_initfd()
485 		parent = fd->pd_parent;  in efipart_initfd()
488 			parent->pd_alias = fd->pd_handle;  in efipart_initfd()
489 			parent->pd_unit = acpi->UID;  in efipart_initfd()
493 			fd->pd_unit = acpi->UID;  in efipart_initfd()
495 		fd->pd_devsw = &efipart_fddev;  in efipart_initfd()
509 	pdinfo_t *parent, *pd, *last;  in efipart_cdinfo_add()  local
514 	parent = cd->pd_parent;  in efipart_cdinfo_add()
518 	STAILQ_FOREACH(pd, &pdinfo, pd_link) {  in efipart_cdinfo_add()
519 		if (efi_devpath_match(pd->pd_devpath, cd->pd_devpath)) {  in efipart_cdinfo_add()
524 	if (pd == NULL) {  in efipart_cdinfo_add()
530 		last = STAILQ_LAST(&parent->pd_part, pdinfo, pd_link);  in efipart_cdinfo_add()
532 			cd->pd_unit = last->pd_unit + 1;  in efipart_cdinfo_add()
534 			cd->pd_unit = 0;  in efipart_cdinfo_add()
535 		cd->pd_devsw = &efipart_cddev;  in efipart_cdinfo_add()
536 		STAILQ_INSERT_TAIL(&parent->pd_part, cd, pd_link);  in efipart_cdinfo_add()
542 		cd->pd_unit = last->pd_unit + 1;  in efipart_cdinfo_add()
544 		cd->pd_unit = 0;  in efipart_cdinfo_add()
546 	cd->pd_devsw = &efipart_cddev;  in efipart_cdinfo_add()
553 	EFI_DEVICE_PATH *node;  in efipart_testcd()  local
555 	node = efi_devpath_last_node(cd->pd_devpath);  in efipart_testcd()
556 	if (node == NULL)  in efipart_testcd()
559 	if (efipart_floppy(node) != NULL)  in efipart_testcd()
562 	if (DevicePathType(node) == MEDIA_DEVICE_PATH &&  in efipart_testcd()
563 	    DevicePathSubType(node) == MEDIA_CDROM_DP) {  in efipart_testcd()
568 	if (cd->pd_blkio->Media->RemovableMedia &&  in efipart_testcd()
569 	    !cd->pd_blkio->Media->MediaPresent) {  in efipart_testcd()
577  * Test if pd is parent for device.
580 efipart_testchild(pdinfo_t *dev, pdinfo_t *pd)  in efipart_testchild()  argument
583 	if (dev->pd_parent == NULL)  in efipart_testchild()
586 	if (efi_devpath_match(dev->pd_parent->pd_devpath, pd->pd_devpath)) {  in efipart_testchild()
614 efipart_hdinfo_add_node(pdinfo_t *hd, EFI_DEVICE_PATH *node)  in efipart_hdinfo_add_node()  argument
618 	if (node == NULL)  in efipart_hdinfo_add_node()
621 	parent = hd->pd_parent;  in efipart_hdinfo_add_node()
623 	 * If the node is not MEDIA_HARDDRIVE_DP, it is sub-partition.  in efipart_hdinfo_add_node()
627 	if (DevicePathSubType(node) != MEDIA_HARDDRIVE_DP) {  in efipart_hdinfo_add_node()
628 		ptr = STAILQ_LAST(&parent->pd_part, pdinfo, pd_link);  in efipart_hdinfo_add_node()
630 			hd->pd_unit = ptr->pd_unit + 1;  in efipart_hdinfo_add_node()
632 			hd->pd_unit = 0;  in efipart_hdinfo_add_node()
634 		hd->pd_unit = ((HARDDRIVE_DEVICE_PATH *)node)->PartitionNumber;  in efipart_hdinfo_add_node()
637 	hd->pd_devsw = &efipart_hddev;  in efipart_hdinfo_add_node()
638 	STAILQ_INSERT_TAIL(&parent->pd_part, hd, pd_link);  in efipart_hdinfo_add_node()
643  * From U-Boot sources it looks like names are in the form
648 efipart_hdinfo_add_filepath(pdinfo_t *hd, FILEPATH_DEVICE_PATH *node)  in efipart_hdinfo_add_filepath()  argument
656 		hd->pd_unit = last->pd_unit + 1;  in efipart_hdinfo_add_filepath()
658 		hd->pd_unit = 0;  in efipart_hdinfo_add_filepath()
661 	len = ucs2len(node->PathName);  in efipart_hdinfo_add_filepath()
667 	cpy16to8(node->PathName, pathname, len + 1);  in efipart_hdinfo_add_filepath()
676 		hd->pd_devsw = &efipart_hddev;  in efipart_hdinfo_add_filepath()
683 	hd->pd_unit = (int)strtol(p, NULL, 0);  in efipart_hdinfo_add_filepath()
704 	hd->pd_parent = last;  in efipart_hdinfo_add_filepath()
705 	hd->pd_devsw = &efipart_hddev;  in efipart_hdinfo_add_filepath()
706 	STAILQ_INSERT_TAIL(&last->pd_part, hd, pd_link);  in efipart_hdinfo_add_filepath()
713 	pdinfo_t *parent, *pd, *last;  in efipart_hdinfo_add()  local
714 	EFI_DEVICE_PATH *node;  in efipart_hdinfo_add()  local
719 	parent = hd->pd_parent;  in efipart_hdinfo_add()
723 	STAILQ_FOREACH(pd, &pdinfo, pd_link) {  in efipart_hdinfo_add()
724 		if (efi_devpath_match(pd->pd_devpath, hd->pd_devpath)) {  in efipart_hdinfo_add()
729 	if (pd == NULL) {  in efipart_hdinfo_add()
734 	if ((node = efi_devpath_last_node(hd->pd_devpath)) == NULL)  in efipart_hdinfo_add()
737 	if (DevicePathType(node) == MEDIA_DEVICE_PATH &&  in efipart_hdinfo_add()
738 	    DevicePathSubType(node) == MEDIA_FILEPATH_DP) {  in efipart_hdinfo_add()
740 		    (FILEPATH_DEVICE_PATH *)node);  in efipart_hdinfo_add()
745 		efipart_hdinfo_add_node(hd, node);  in efipart_hdinfo_add()
751 		hd->pd_unit = last->pd_unit + 1;  in efipart_hdinfo_add()
753 		hd->pd_unit = 0;  in efipart_hdinfo_add()
756 	hd->pd_devsw = &efipart_hddev;  in efipart_hdinfo_add()
792 	pdinfo_t *pd;  in efipart_print_common()  local
800 	printf("%s devices:", dev->dv_name);  in efipart_print_common()
804 	STAILQ_FOREACH(pd, pdlist, pd_link) {  in efipart_print_common()
805 		h = pd->pd_handle;  in efipart_print_common()
816 		    "    %s%d", dev->dv_name, pd->pd_unit);  in efipart_print_common()
821 			    blkio->Media->LastBlock == 0? 0:  in efipart_print_common()
822 			    (unsigned long long) (blkio->Media->LastBlock + 1));  in efipart_print_common()
823 			if (blkio->Media->LastBlock != 0) {  in efipart_print_common()
824 				printf(" X %u", blkio->Media->BlockSize);  in efipart_print_common()
827 			if (blkio->Media->MediaPresent) {  in efipart_print_common()
828 				if (blkio->Media->RemovableMedia)  in efipart_print_common()
835 			if (!blkio->Media->MediaPresent)  in efipart_print_common()
838 			pd->pd_blkio = blkio;  in efipart_print_common()
840 			pd_dev.dd.d_unit = pd->pd_unit;  in efipart_print_common()
843 			ret = disk_open(&pd_dev, blkio->Media->BlockSize *  in efipart_print_common()
844 			    (blkio->Media->LastBlock + 1),  in efipart_print_common()
845 			    blkio->Media->BlockSize);  in efipart_print_common()
886 	pdinfo_t *pd;  in efipart_open()  local
896 	pd = efiblk_get_pdinfo((struct devdesc *)dev);  in efipart_open()
897 	if (pd == NULL)  in efipart_open()
900 	if (pd->pd_blkio == NULL) {  in efipart_open()
901 		status = OpenProtocolByHandle(pd->pd_handle, &blkio_guid,  in efipart_open()
902 		    (void **)&pd->pd_blkio);  in efipart_open()
907 	blkio = pd->pd_blkio;  in efipart_open()
908 	if (!blkio->Media->MediaPresent)  in efipart_open()
911 	pd->pd_open++;  in efipart_open()
912 	if (pd->pd_bcache == NULL)  in efipart_open()
913 		pd->pd_bcache = bcache_allocate();  in efipart_open()
915 	if (dev->dd.d_dev->dv_type == DEVT_DISK) {  in efipart_open()
919 		    blkio->Media->BlockSize * (blkio->Media->LastBlock + 1),  in efipart_open()
920 		    blkio->Media->BlockSize);  in efipart_open()
922 			pd->pd_open--;  in efipart_open()
923 			if (pd->pd_open == 0) {  in efipart_open()
924 				pd->pd_blkio = NULL;  in efipart_open()
925 				bcache_free(pd->pd_bcache);  in efipart_open()
926 				pd->pd_bcache = NULL;  in efipart_open()
938 	pdinfo_t *pd;  in efipart_close()  local
940 	dev = (struct disk_devdesc *)(f->f_devdata);  in efipart_close()
944 	pd = efiblk_get_pdinfo((struct devdesc *)dev);  in efipart_close()
945 	if (pd == NULL)  in efipart_close()
948 	pd->pd_open--;  in efipart_close()
949 	if (pd->pd_open == 0) {  in efipart_close()
950 		pd->pd_blkio = NULL;  in efipart_close()
951 		if (dev->dd.d_dev->dv_type != DEVT_DISK) {  in efipart_close()
952 			bcache_free(pd->pd_bcache);  in efipart_close()
953 			pd->pd_bcache = NULL;  in efipart_close()
956 	if (dev->dd.d_dev->dv_type == DEVT_DISK)  in efipart_close()
965 	pdinfo_t *pd;  in efipart_ioctl()  local
968 	dev = (struct disk_devdesc *)(f->f_devdata);  in efipart_ioctl()
972 	pd = efiblk_get_pdinfo((struct devdesc *)dev);  in efipart_ioctl()
973 	if (pd == NULL)  in efipart_ioctl()
976 	if (dev->dd.d_dev->dv_type == DEVT_DISK) {  in efipart_ioctl()
984 		*(u_int *)data = pd->pd_blkio->Media->BlockSize;  in efipart_ioctl()
987 		*(uint64_t *)data = pd->pd_blkio->Media->BlockSize *  in efipart_ioctl()
988 		    (pd->pd_blkio->Media->LastBlock + 1);  in efipart_ioctl()
1000  * media-native block size. This function expects all I/O requests
1014 	if (blk < 0 || blk > blkio->Media->LastBlock)  in efipart_readwrite()
1016 	if ((blk + nblks - 1) > blkio->Media->LastBlock)  in efipart_readwrite()
1021 		status = blkio->ReadBlocks(blkio, blkio->Media->MediaId, blk,  in efipart_readwrite()
1022 		    nblks * blkio->Media->BlockSize, buf);  in efipart_readwrite()
1025 		if (blkio->Media->ReadOnly)  in efipart_readwrite()
1027 		status = blkio->WriteBlocks(blkio, blkio->Media->MediaId, blk,  in efipart_readwrite()
1028 		    nblks * blkio->Media->BlockSize, buf);  in efipart_readwrite()
1048 	pdinfo_t *pd;  in efipart_strategy()  local
1054 	pd = efiblk_get_pdinfo((struct devdesc *)dev);  in efipart_strategy()
1055 	if (pd == NULL)  in efipart_strategy()
1058 	if (pd->pd_blkio->Media->RemovableMedia &&  in efipart_strategy()
1059 	    !pd->pd_blkio->Media->MediaPresent)  in efipart_strategy()
1064 	bcd.dv_cache = pd->pd_bcache;  in efipart_strategy()
1066 	if (dev->dd.d_dev->dv_type == DEVT_DISK) {  in efipart_strategy()
1069 		offset = dev->d_offset * pd->pd_blkio->Media->BlockSize;  in efipart_strategy()
1082 	pdinfo_t *pd;  in efipart_realstrategy()  local
1095 	pd = efiblk_get_pdinfo((struct devdesc *)dev);  in efipart_realstrategy()
1096 	if (pd == NULL)  in efipart_realstrategy()
1099 	blkio = pd->pd_blkio;  in efipart_realstrategy()
1112 	if (dev->dd.d_dev->dv_type == DEVT_DISK) {  in efipart_realstrategy()
1115 			disk_blocks /= blkio->Media->BlockSize;  in efipart_realstrategy()
1117 		d_offset = dev->d_offset;  in efipart_realstrategy()
1120 		disk_blocks = blkio->Media->LastBlock + 1 - d_offset;  in efipart_realstrategy()
1123 	if ((off + size) / blkio->Media->BlockSize > d_offset + disk_blocks) {  in efipart_realstrategy()
1125 		readstart = off / blkio->Media->BlockSize;  in efipart_realstrategy()
1133 		size = diskend - readstart;  in efipart_realstrategy()
1134 		size = size * blkio->Media->BlockSize;  in efipart_realstrategy()
1139 	if ((size % blkio->Media->BlockSize == 0) &&  in efipart_realstrategy()
1140 	    (off % blkio->Media->BlockSize == 0))  in efipart_realstrategy()
1144 	ioalign = blkio->Media->IoAlign;  in efipart_realstrategy()
1153 		    bio_size -= blkio->Media->BlockSize) {  in efipart_realstrategy()
1170 	blk = off / blkio->Media->BlockSize;  in efipart_realstrategy()
1171 	blkoff = off % blkio->Media->BlockSize;  in efipart_realstrategy()
1176 		if (x < blkio->Media->BlockSize)  in efipart_realstrategy()
1179 			x /= blkio->Media->BlockSize;  in efipart_realstrategy()
1183 			blksz = blkio->Media->BlockSize * x - blkoff;  in efipart_realstrategy()
1202 				blksz = blkio->Media->BlockSize - blkoff;  in efipart_realstrategy()
1206 			} else if (size < blkio->Media->BlockSize) {  in efipart_realstrategy()
1217 				blksz = blkio->Media->BlockSize * x;  in efipart_realstrategy()
1240 		size -= blksz;  in efipart_realstrategy()
1246 		*rsize -= size;  in efipart_realstrategy()