465 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_base_slpc()  argument
467 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_base_slpc()
469 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_base_slpc()
470 	    lpcb->response.hdr.len > limit)  in clp_base_slpc()
472 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;  in clp_base_slpc()
475 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_base_command()  argument
477 	switch (lpcb->cmd) {  in clp_base_command()
479 		return clp_base_slpc(req, (void *) lpcb);  in clp_base_command()
485 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc_pci *lpcb)  in clp_pci_slpc()  argument
487 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_slpc()
489 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_slpc()
490 	    lpcb->response.hdr.len > limit)  in clp_pci_slpc()
492 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_slpc()
495 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)  in clp_pci_list()  argument
497 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_list()
499 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_list()
500 	    lpcb->response.hdr.len > limit)  in clp_pci_list()
502 	if (lpcb->request.reserved2 != 0)  in clp_pci_list()
504 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_list()
508 			 struct clp_req_rsp_query_pci *lpcb)  in clp_pci_query()  argument
510 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query()
512 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query()
513 	    lpcb->response.hdr.len > limit)  in clp_pci_query()
515 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)  in clp_pci_query()
517 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query()
521 			     struct clp_req_rsp_query_pci_grp *lpcb)  in clp_pci_query_grp()  argument
523 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query_grp()
525 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query_grp()
526 	    lpcb->response.hdr.len > limit)  in clp_pci_query_grp()
528 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||  in clp_pci_query_grp()
529 	    lpcb->request.reserved4 != 0)  in clp_pci_query_grp()
531 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query_grp()
534 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_pci_command()  argument
536 	switch (lpcb->cmd) {  in clp_pci_command()
538 		return clp_pci_slpc(req, (void *) lpcb);  in clp_pci_command()
540 		return clp_pci_list(req, (void *) lpcb);  in clp_pci_command()
542 		return clp_pci_query(req, (void *) lpcb);  in clp_pci_command()
544 		return clp_pci_query_grp(req, (void *) lpcb);  in clp_pci_command()
552 	struct clp_req_hdr *lpcb;  in clp_normal_command()  local
561 	lpcb = clp_alloc_block(GFP_KERNEL);  in clp_normal_command()
562 	if (!lpcb)  in clp_normal_command()
567 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)  in clp_normal_command()
571 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)  in clp_normal_command()
576 		rc = clp_base_command(req, lpcb);  in clp_normal_command()
579 		rc = clp_pci_command(req, lpcb);  in clp_normal_command()
586 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)  in clp_normal_command()
592 	clp_free_block(lpcb);  in clp_normal_command()