474 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_base_slpc()  argument
476 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_base_slpc()
478 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_base_slpc()
479 	    lpcb->response.hdr.len > limit)  in clp_base_slpc()
481 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;  in clp_base_slpc()
484 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_base_command()  argument
486 	switch (lpcb->cmd) {  in clp_base_command()
488 		return clp_base_slpc(req, (void *) lpcb);  in clp_base_command()
494 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc_pci *lpcb)  in clp_pci_slpc()  argument
496 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_slpc()
498 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_slpc()
499 	    lpcb->response.hdr.len > limit)  in clp_pci_slpc()
501 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_slpc()
504 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)  in clp_pci_list()  argument
506 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_list()
508 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_list()
509 	    lpcb->response.hdr.len > limit)  in clp_pci_list()
511 	if (lpcb->request.reserved2 != 0)  in clp_pci_list()
513 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_list()
517 			 struct clp_req_rsp_query_pci *lpcb)  in clp_pci_query()  argument
519 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query()
521 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query()
522 	    lpcb->response.hdr.len > limit)  in clp_pci_query()
524 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)  in clp_pci_query()
526 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query()
530 			     struct clp_req_rsp_query_pci_grp *lpcb)  in clp_pci_query_grp()  argument
532 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query_grp()
534 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query_grp()
535 	    lpcb->response.hdr.len > limit)  in clp_pci_query_grp()
537 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||  in clp_pci_query_grp()
538 	    lpcb->request.reserved4 != 0)  in clp_pci_query_grp()
540 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query_grp()
543 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_pci_command()  argument
545 	switch (lpcb->cmd) {  in clp_pci_command()
547 		return clp_pci_slpc(req, (void *) lpcb);  in clp_pci_command()
549 		return clp_pci_list(req, (void *) lpcb);  in clp_pci_command()
551 		return clp_pci_query(req, (void *) lpcb);  in clp_pci_command()
553 		return clp_pci_query_grp(req, (void *) lpcb);  in clp_pci_command()
561 	struct clp_req_hdr *lpcb;  in clp_normal_command()  local
570 	lpcb = clp_alloc_block(GFP_KERNEL);  in clp_normal_command()
571 	if (!lpcb)  in clp_normal_command()
576 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)  in clp_normal_command()
580 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)  in clp_normal_command()
585 		rc = clp_base_command(req, lpcb);  in clp_normal_command()
588 		rc = clp_pci_command(req, lpcb);  in clp_normal_command()
595 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)  in clp_normal_command()
601 	clp_free_block(lpcb);  in clp_normal_command()