451 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_base_slpc()  argument
453 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_base_slpc()
455 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_base_slpc()
456 	    lpcb->response.hdr.len > limit)  in clp_base_slpc()
458 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;  in clp_base_slpc()
461 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_base_command()  argument
463 	switch (lpcb->cmd) {  in clp_base_command()
465 		return clp_base_slpc(req, (void *) lpcb);  in clp_base_command()
471 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_pci_slpc()  argument
473 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_slpc()
475 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_slpc()
476 	    lpcb->response.hdr.len > limit)  in clp_pci_slpc()
478 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_slpc()
481 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)  in clp_pci_list()  argument
483 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_list()
485 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_list()
486 	    lpcb->response.hdr.len > limit)  in clp_pci_list()
488 	if (lpcb->request.reserved2 != 0)  in clp_pci_list()
490 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_list()
494 			 struct clp_req_rsp_query_pci *lpcb)  in clp_pci_query()  argument
496 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query()
498 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query()
499 	    lpcb->response.hdr.len > limit)  in clp_pci_query()
501 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)  in clp_pci_query()
503 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query()
507 			     struct clp_req_rsp_query_pci_grp *lpcb)  in clp_pci_query_grp()  argument
509 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query_grp()
511 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query_grp()
512 	    lpcb->response.hdr.len > limit)  in clp_pci_query_grp()
514 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||  in clp_pci_query_grp()
515 	    lpcb->request.reserved4 != 0)  in clp_pci_query_grp()
517 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query_grp()
520 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_pci_command()  argument
522 	switch (lpcb->cmd) {  in clp_pci_command()
524 		return clp_pci_slpc(req, (void *) lpcb);  in clp_pci_command()
526 		return clp_pci_list(req, (void *) lpcb);  in clp_pci_command()
528 		return clp_pci_query(req, (void *) lpcb);  in clp_pci_command()
530 		return clp_pci_query_grp(req, (void *) lpcb);  in clp_pci_command()
538 	struct clp_req_hdr *lpcb;  in clp_normal_command()  local
547 	lpcb = clp_alloc_block(GFP_KERNEL);  in clp_normal_command()
548 	if (!lpcb)  in clp_normal_command()
553 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)  in clp_normal_command()
557 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)  in clp_normal_command()
562 		rc = clp_base_command(req, lpcb);  in clp_normal_command()
565 		rc = clp_pci_command(req, lpcb);  in clp_normal_command()
572 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)  in clp_normal_command()
578 	clp_free_block(lpcb);  in clp_normal_command()