pci_clp.c - OpenGrok cross reference for /kernel/linux/linux-6.6/arch/s390/pci/pci

Lines Matching defs:lpcb
70  * Call Logical Processor with c=0, the give constant lps and an lpcb request.
481 static int clp_base_slpc(struct clp_req *req, struct clp_req_rsp_slpc *lpcb)
483 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);
485 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||
486 	    lpcb->response.hdr.len > limit)
488 	return clp_req(lpcb, CLP_LPS_BASE) ? -EOPNOTSUPP : 0;
491 static int clp_base_command(struct clp_req *req, struct clp_req_hdr *lpcb)
493 	switch (lpcb->cmd) {
495 		return clp_base_slpc(req, (void *) lpcb);
501 static int clp_pci_slpc(struct clp_req *req, struct clp_req_rsp_slpc_pci *lpcb)
503 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);
505 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||
506 	    lpcb->response.hdr.len > limit)
508 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;
511 static int clp_pci_list(struct clp_req *req, struct clp_req_rsp_list_pci *lpcb)
513 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);
515 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||
516 	    lpcb->response.hdr.len > limit)
518 	if (lpcb->request.reserved2 != 0)
520 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;
524 			 struct clp_req_rsp_query_pci *lpcb)
526 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);
528 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||
529 	    lpcb->response.hdr.len > limit)
531 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0)
533 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;
537 			     struct clp_req_rsp_query_pci_grp *lpcb)
539 	unsigned long limit = PAGE_SIZE - sizeof(lpcb->request);
541 	if (lpcb->request.hdr.len != sizeof(lpcb->request) ||
542 	    lpcb->response.hdr.len > limit)
544 	if (lpcb->request.reserved2 != 0 || lpcb->request.reserved3 != 0 ||
545 	    lpcb->request.reserved4 != 0)
547 	return clp_req(lpcb, CLP_LPS_PCI) ? -EOPNOTSUPP : 0;
550 static int clp_pci_command(struct clp_req *req, struct clp_req_hdr *lpcb)
552 	switch (lpcb->cmd) {
554 		return clp_pci_slpc(req, (void *) lpcb);
556 		return clp_pci_list(req, (void *) lpcb);
558 		return clp_pci_query(req, (void *) lpcb);
560 		return clp_pci_query_grp(req, (void *) lpcb);
568 	struct clp_req_hdr *lpcb;
577 	lpcb = clp_alloc_block(GFP_KERNEL);
578 	if (!lpcb)
583 	if (copy_from_user(lpcb, uptr, PAGE_SIZE) != 0)
587 	if (lpcb->fmt != 0 || lpcb->reserved1 != 0 || lpcb->reserved2 != 0)
592 		rc = clp_base_command(req, lpcb);
595 		rc = clp_pci_command(req, lpcb);
602 	if (copy_to_user(uptr, lpcb, PAGE_SIZE) != 0)
608 	clp_free_block(lpcb);