491 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)  in clp_base_slpc()  argument
493 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_base_slpc()
495 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_base_slpc()
496 	    lpcb->response.hdr.len > limit)  in clp_base_slpc()
498 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;  in clp_base_slpc()
501 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_base_command()  argument
503 	switch (lpcb->cmd) {  in clp_base_command()
505 		return clp_base_slpc(req, (void *) lpcb);  in clp_base_command()
511 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc_pci *lpcb)  in clp_pci_slpc()  argument
513 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_slpc()
515 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_slpc()
516 	    lpcb->response.hdr.len > limit)  in clp_pci_slpc()
518 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_slpc()
521 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)  in clp_pci_list()  argument
523 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_list()
525 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_list()
526 	    lpcb->response.hdr.len > limit)  in clp_pci_list()
528 	if (lpcb->request.reserved2 != 0)  in clp_pci_list()
530 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_list()
534 			 struct clp_req_rsp_query_pci *lpcb)  in clp_pci_query()  argument
536 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query()
538 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query()
539 	    lpcb->response.hdr.len > limit)  in clp_pci_query()
541 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)  in clp_pci_query()
543 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query()
547 			     struct clp_req_rsp_query_pci_grp *lpcb)  in clp_pci_query_grp()  argument
549 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);  in clp_pci_query_grp()
551 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||  in clp_pci_query_grp()
552 	    lpcb->response.hdr.len > limit)  in clp_pci_query_grp()
554 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||  in clp_pci_query_grp()
555 	    lpcb->request.reserved4 != 0)  in clp_pci_query_grp()
557 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;  in clp_pci_query_grp()
560 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)  in clp_pci_command()  argument
562 	switch (lpcb->cmd) {  in clp_pci_command()
564 		return clp_pci_slpc(req, (void *) lpcb);  in clp_pci_command()
566 		return clp_pci_list(req, (void *) lpcb);  in clp_pci_command()
568 		return clp_pci_query(req, (void *) lpcb);  in clp_pci_command()
570 		return clp_pci_query_grp(req, (void *) lpcb);  in clp_pci_command()
578 	struct clp_req_hdr *lpcb;  in clp_normal_command()  local
587 	lpcb = clp_alloc_block(GFP_KERNEL);  in clp_normal_command()
588 	if (!lpcb)  in clp_normal_command()
593 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)  in clp_normal_command()
597 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)  in clp_normal_command()
602 		rc = clp_base_command(req, lpcb);  in clp_normal_command()
605 		rc = clp_pci_command(req, lpcb);  in clp_normal_command()
612 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)  in clp_normal_command()
618 	clp_free_block(lpcb);  in clp_normal_command()