mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 08:14:15 +08:00
1bcf7f48b7
Change types of I/O structure members which contain physical addresses to dma32_t and dma64_t bitwise types. This allows to make use of sparse (aka "make C=1") to find incorrect usage of physical addresses. Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
96 lines
1.9 KiB
C
96 lines
1.9 KiB
C
/* 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 */
|