495 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_base_slpc()  argument
497 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_base_slpc()
499 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_base_slpc()
500 	    lpcb->response.hdr.len > limit)  in clp_base_slpc()
502 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;  in clp_base_slpc()
505 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_base_command()  argument
507 	switch (lpcb->cmd) {  in clp_base_command()
509 		return clp_base_slpc(req, (void *) lpcb);  in clp_base_command()
515 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc_pci *lpcb)  in clp_pci_slpc()  argument
517 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_slpc()
519 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_slpc()
520 	    lpcb->response.hdr.len > limit)  in clp_pci_slpc()
522 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_slpc()
525 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)  in clp_pci_list()  argument
527 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_list()
529 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_list()
530 	    lpcb->response.hdr.len > limit)  in clp_pci_list()
532 	if (lpcb->request.reserved2 != 0)  in clp_pci_list()
534 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_list()
538 			 struct clp_req_rsp_query_pci *lpcb)  in clp_pci_query()  argument
540 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query()
542 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query()
543 	    lpcb->response.hdr.len > limit)  in clp_pci_query()
545 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)  in clp_pci_query()
547 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query()
551 			     struct clp_req_rsp_query_pci_grp *lpcb)  in clp_pci_query_grp()  argument
553 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query_grp()
555 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query_grp()
556 	    lpcb->response.hdr.len > limit)  in clp_pci_query_grp()
558 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||  in clp_pci_query_grp()
559 	    lpcb->request.reserved4 != 0)  in clp_pci_query_grp()
561 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query_grp()
564 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_pci_command()  argument
566 	switch (lpcb->cmd) {  in clp_pci_command()
568 		return clp_pci_slpc(req, (void *) lpcb);  in clp_pci_command()
570 		return clp_pci_list(req, (void *) lpcb);  in clp_pci_command()
572 		return clp_pci_query(req, (void *) lpcb);  in clp_pci_command()
574 		return clp_pci_query_grp(req, (void *) lpcb);  in clp_pci_command()
582 	struct clp_req_hdr *lpcb;  in clp_normal_command()  local
591 	lpcb = clp_alloc_block(GFP_KERNEL);  in clp_normal_command()
592 	if (!lpcb)  in clp_normal_command()
597 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)  in clp_normal_command()
601 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)  in clp_normal_command()
606 		rc = clp_base_command(req, lpcb);  in clp_normal_command()
609 		rc = clp_pci_command(req, lpcb);  in clp_normal_command()
616 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)  in clp_normal_command()
622 	clp_free_block(lpcb);  in clp_normal_command()