diff options
| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2012-08-28 16:48:16 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-09-26 15:45:00 +0200 |
| commit | eadb86ab80545d04a0ee576e92ba4447621cdb02 (patch) | |
| tree | fa9903cd696ea67d244dab55a1fdb71658208cfa /arch/s390 | |
| parent | 40ff4cc06697e8ba3f8ce93b0592ddbcf70cd444 (diff) | |
| download | linux-eadb86ab80545d04a0ee576e92ba4447621cdb02.tar.bz2 | |
s390/cio: add eadm subchannel driver
This driver allows usage of EADM subchannels. EADM subchannels
act as a communication vehicle for SCM increments.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/Kconfig | 11 | ||||
| -rw-r--r-- | arch/s390/include/asm/isc.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 3781db22f427..3f42161d6bc6 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -440,6 +440,17 @@ config SCM_BUS help Bus driver for Storage Class Memory. +config EADM_SCH + def_tristate m + prompt "Support for EADM subchannels" + depends on SCM_BUS + help + This driver allows usage of EADM subchannels. EADM subchannels act + as a communication vehicle for SCM increments. + + To compile this driver as a module, choose M here: the + module will be called eadm_sch. + endmenu menu "Dump support" diff --git a/arch/s390/include/asm/isc.h b/arch/s390/include/asm/isc.h index 1420a1115948..5ae606456b0a 100644 --- a/arch/s390/include/asm/isc.h +++ b/arch/s390/include/asm/isc.h @@ -14,6 +14,7 @@ /* Regular I/O interrupts. */ #define IO_SCH_ISC 3 /* regular I/O subchannels */ #define CONSOLE_ISC 1 /* console I/O subchannel */ +#define EADM_SCH_ISC 4 /* EADM subchannels */ #define CHSC_SCH_ISC 7 /* CHSC subchannels */ /* Adapter interrupts. */ #define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */ |