481 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_base_slpc()  argument
483 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_base_slpc()
485 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_base_slpc()
486 	    lpcb->response.hdr.len > limit)  in clp_base_slpc()
488 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;  in clp_base_slpc()
491 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_base_command()  argument
493 	switch (lpcb->cmd) {  in clp_base_command()
495 		return clp_base_slpc(req, (void *) lpcb);  in clp_base_command()
501 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc_pci *lpcb)  in clp_pci_slpc()  argument
503 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_slpc()
505 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_slpc()
506 	    lpcb->response.hdr.len > limit)  in clp_pci_slpc()
508 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_slpc()
511 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)  in clp_pci_list()  argument
513 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_list()
515 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_list()
516 	    lpcb->response.hdr.len > limit)  in clp_pci_list()
518 	if (lpcb->request.reserved2 != 0)  in clp_pci_list()
520 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_list()
524 			 struct clp_req_rsp_query_pci *lpcb)  in clp_pci_query()  argument
526 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query()
528 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query()
529 	    lpcb->response.hdr.len > limit)  in clp_pci_query()
531 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)  in clp_pci_query()
533 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query()
537 			     struct clp_req_rsp_query_pci_grp *lpcb)  in clp_pci_query_grp()  argument
539 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query_grp()
541 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query_grp()
542 	    lpcb->response.hdr.len > limit)  in clp_pci_query_grp()
544 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||  in clp_pci_query_grp()
545 	    lpcb->request.reserved4 != 0)  in clp_pci_query_grp()
547 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query_grp()
550 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_pci_command()  argument
552 	switch (lpcb->cmd) {  in clp_pci_command()
554 		return clp_pci_slpc(req, (void *) lpcb);  in clp_pci_command()
556 		return clp_pci_list(req, (void *) lpcb);  in clp_pci_command()
558 		return clp_pci_query(req, (void *) lpcb);  in clp_pci_command()
560 		return clp_pci_query_grp(req, (void *) lpcb);  in clp_pci_command()
568 	struct clp_req_hdr *lpcb;  in clp_normal_command()  local
577 	lpcb = clp_alloc_block(GFP_KERNEL);  in clp_normal_command()
578 	if (!lpcb)  in clp_normal_command()
583 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)  in clp_normal_command()
587 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)  in clp_normal_command()
592 		rc = clp_base_command(req, lpcb);  in clp_normal_command()
595 		rc = clp_pci_command(req, lpcb);  in clp_normal_command()
602 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)  in clp_normal_command()
608 	clp_free_block(lpcb);  in clp_normal_command()