diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h index b3de682b64cf..4008bd786793 100644 --- a/drivers/s390/scsi/zfcp_fsf.h +++ b/drivers/s390/scsi/zfcp_fsf.h @@ -3,7 +3,7 @@ * * Interface to the FSF support functions. * - * Copyright IBM Corporation 2002, 2009 + * Copyright IBM Corporation 2002, 2010 */ #ifndef FSF_H @@ -152,7 +152,12 @@ #define FSF_CLASS_3 0x00000003 /* SBAL chaining */ -#define FSF_MAX_SBALS_PER_REQ 36 +#define ZFCP_FSF_MAX_SBALS_PER_REQ 36 + +/* max. number of (data buffer) SBALEs in largest SBAL chain + * request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */ +#define ZFCP_FSF_MAX_SBALES_PER_REQ \ + (ZFCP_FSF_MAX_SBALS_PER_REQ * ZFCP_QDIO_MAX_SBALES_PER_SBAL - 2) /* logging space behind QTCB */ #define FSF_QTCB_LOG_SIZE 1024 |