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authorHeiko Carstens <heiko.carstens@de.ibm.com>2007-07-10 11:24:10 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-07-10 11:24:43 +0200
commit83119ad4a1ceacd99f380086c2855ae2c4268afc (patch)
tree6da1d5cdba6e5bcd8fcdf5332700e8353b4e79a8 /include/asm-s390/sclp.h
parent05dd25307ca67cbfa0207bbba2e6c79fa97d125b (diff)
downloadlinux-2.6.34-ux500-83119ad4a1ceacd99f380086c2855ae2c4268afc.tar.gz
[S390] sclp: Test facility list before executing a service call.
Check if a command is available before executing. Saves some superfluous service calls that won't succeed anyway. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390/sclp.h')
-rw-r--r--include/asm-s390/sclp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-s390/sclp.h b/include/asm-s390/sclp.h
index ddfaa8db47b..cb9faf1ea5c 100644
--- a/include/asm-s390/sclp.h
+++ b/include/asm-s390/sclp.h
@@ -28,6 +28,7 @@ struct sclp_ipl_info {
};
void sclp_readinfo_early(void);
+void sclp_facilities_detect(void);
unsigned long long sclp_memory_detect(void);
int sclp_sdias_blk_count(void);
int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);