/* SPDX-License-Identifier: GPL-2.0 */
/*
* Orb related data structures.
*
* Copyright IBM Corp. 2007, 2011
*
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
* Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
* Sebastian Ott <sebott@linux.vnet.ibm.com>
*/
#ifndef S390_ORB_H
#define S390_ORB_H
#include <linux/types.h>
#include <asm /dma-types.h>
/*
* Command-mode operation request block
*/
struct cmd_orb {
u32 intparm; /* interruption parameter */
u32 key:4 ; /* flags, like key, suspend control, etc. */
u32 spnd:1 ; /* suspend control */
u32 res1:1 ; /* reserved */
u32 mod:1 ; /* modification control */
u32 sync:1 ; /* synchronize control */
u32 fmt:1 ; /* format control */
u32 pfch:1 ; /* prefetch control */
u32 isic:1 ; /* initial-status-interruption control */
u32 alcc:1 ; /* address-limit-checking control */
u32 ssic:1 ; /* suppress-suspended-interr. control */
u32 res2:1 ; /* reserved */
u32 c64:1 ; /* IDAW/QDIO 64 bit control */
u32 i2k:1 ; /* IDAW 2/4kB block size control */
u32 lpm:8 ; /* logical path mask */
u32 ils:1 ; /* incorrect length */
u32 zero:6 ; /* reserved zeros */
u32 orbx:1 ; /* ORB extension control */
dma32_t cpa; /* channel program address */
} __packed __aligned(4 );
/*
* Transport-mode operation request block
*/
struct tm_orb {
u32 intparm;
u32 key:4 ;
u32:9 ;
u32 b:1 ;
u32:2 ;
u32 lpm:8 ;
u32:7 ;
u32 x:1 ;
dma32_t tcw;
u32 prio:8 ;
u32:8 ;
u32 rsvpgm:8 ;
u32:8 ;
u32:32 ;
u32:32 ;
u32:32 ;
u32:32 ;
} __packed __aligned(4 );
/*
* eadm operation request block
*/
struct eadm_orb {
u32 intparm;
u32 key:4 ;
u32:4 ;
u32 compat1:1 ;
u32 compat2:1 ;
u32:21 ;
u32 x:1 ;
dma32_t aob;
u32 css_prio:8 ;
u32:8 ;
u32 scm_prio:8 ;
u32:8 ;
u32:29 ;
u32 fmt:3 ;
u32:32 ;
u32:32 ;
u32:32 ;
} __packed __aligned(4 );
union orb {
struct cmd_orb cmd;
struct tm_orb tm;
struct eadm_orb eadm;
} __packed __aligned(4 );
#endif /* S390_ORB_H */
Messung V0.5 in Prozent C=95 H=93 G=93
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-08)
¤
*© Formatika GbR, Deutschland