468 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_base_slpc()  argument
470 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_base_slpc()
472 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_base_slpc()
473 	    lpcb->response.hdr.len > limit)  in clp_base_slpc()
475 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;  in clp_base_slpc()
478 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_base_command()  argument
480 	switch (lpcb->cmd) {  in clp_base_command()
482 		return clp_base_slpc(req, (void *) lpcb);  in clp_base_command()
488 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc_pci *lpcb)  in clp_pci_slpc()  argument
490 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_slpc()
492 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_slpc()
493 	    lpcb->response.hdr.len > limit)  in clp_pci_slpc()
495 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_slpc()
498 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)  in clp_pci_list()  argument
500 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_list()
502 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_list()
503 	    lpcb->response.hdr.len > limit)  in clp_pci_list()
505 	if (lpcb->request.reserved2 != 0)  in clp_pci_list()
507 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_list()
511 			 struct clp_req_rsp_query_pci *lpcb)  in clp_pci_query()  argument
513 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query()
515 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query()
516 	    lpcb->response.hdr.len > limit)  in clp_pci_query()
518 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)  in clp_pci_query()
520 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query()
524 			     struct clp_req_rsp_query_pci_grp *lpcb)  in clp_pci_query_grp()  argument
526 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query_grp()
528 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query_grp()
529 	    lpcb->response.hdr.len > limit)  in clp_pci_query_grp()
531 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||  in clp_pci_query_grp()
532 	    lpcb->request.reserved4 != 0)  in clp_pci_query_grp()
534 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query_grp()
537 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_pci_command()  argument
539 	switch (lpcb->cmd) {  in clp_pci_command()
541 		return clp_pci_slpc(req, (void *) lpcb);  in clp_pci_command()
543 		return clp_pci_list(req, (void *) lpcb);  in clp_pci_command()
545 		return clp_pci_query(req, (void *) lpcb);  in clp_pci_command()
547 		return clp_pci_query_grp(req, (void *) lpcb);  in clp_pci_command()
555 	struct clp_req_hdr *lpcb;  in clp_normal_command()  local
564 	lpcb = clp_alloc_block(GFP_KERNEL);  in clp_normal_command()
565 	if (!lpcb)  in clp_normal_command()
570 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)  in clp_normal_command()
574 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)  in clp_normal_command()
579 		rc = clp_base_command(req, lpcb);  in clp_normal_command()
582 		rc = clp_pci_command(req, lpcb);  in clp_normal_command()
589 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)  in clp_normal_command()
595 	clp_free_block(lpcb);  in clp_normal_command()