464 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_base_slpc()  argument
466 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_base_slpc()
468 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_base_slpc()
469 	    lpcb->response.hdr.len > limit)  in clp_base_slpc()
471 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;  in clp_base_slpc()
474 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_base_command()  argument
476 	switch (lpcb->cmd) {  in clp_base_command()
478 		return clp_base_slpc(req, (void *) lpcb);  in clp_base_command()
484 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_pci_slpc()  argument
486 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_slpc()
488 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_slpc()
489 	    lpcb->response.hdr.len > limit)  in clp_pci_slpc()
491 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_slpc()
494 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)  in clp_pci_list()  argument
496 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_list()
498 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_list()
499 	    lpcb->response.hdr.len > limit)  in clp_pci_list()
501 	if (lpcb->request.reserved2 != 0)  in clp_pci_list()
503 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_list()
507 			 struct clp_req_rsp_query_pci *lpcb)  in clp_pci_query()  argument
509 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query()
511 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query()
512 	    lpcb->response.hdr.len > limit)  in clp_pci_query()
514 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)  in clp_pci_query()
516 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query()
520 			     struct clp_req_rsp_query_pci_grp *lpcb)  in clp_pci_query_grp()  argument
522 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query_grp()
524 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query_grp()
525 	    lpcb->response.hdr.len > limit)  in clp_pci_query_grp()
527 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||  in clp_pci_query_grp()
528 	    lpcb->request.reserved4 != 0)  in clp_pci_query_grp()
530 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query_grp()
533 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_pci_command()  argument
535 	switch (lpcb->cmd) {  in clp_pci_command()
537 		return clp_pci_slpc(req, (void *) lpcb);  in clp_pci_command()
539 		return clp_pci_list(req, (void *) lpcb);  in clp_pci_command()
541 		return clp_pci_query(req, (void *) lpcb);  in clp_pci_command()
543 		return clp_pci_query_grp(req, (void *) lpcb);  in clp_pci_command()
551 	struct clp_req_hdr *lpcb;  in clp_normal_command()  local
560 	lpcb = clp_alloc_block(GFP_KERNEL);  in clp_normal_command()
561 	if (!lpcb)  in clp_normal_command()
566 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)  in clp_normal_command()
570 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)  in clp_normal_command()
575 		rc = clp_base_command(req, lpcb);  in clp_normal_command()
578 		rc = clp_pci_command(req, lpcb);  in clp_normal_command()
585 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)  in clp_normal_command()
591 	clp_free_block(lpcb);  in clp_normal_command()