| /* |
| * 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 |
| |
| /* |
| * 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 */ |
| u32 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; |
| u32 tcw; |
| u32 prio:8; |
| u32:8; |
| u32 rsvpgm:8; |
| u32:8; |
| u32:32; |
| u32:32; |
| u32:32; |
| u32:32; |
| } __packed __aligned(4); |
| |
| union orb { |
| struct cmd_orb cmd; |
| struct tm_orb tm; |
| } __packed __aligned(4); |
| |
| #endif /* S390_ORB_H */ |
