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authorCornelia Huck <cornelia.huck@de.ibm.com>2008-07-14 09:58:45 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2008-07-14 10:02:05 +0200
commitc820de39bd083222f5be2563181c87493e436f7c (patch)
tree4861db1aeca00d55d76b5844ad209d81a2795105 /drivers/s390/cio/chp.h
parent7e9db9eaefdb8798730790214ff1b7746006ec98 (diff)
[S390] cio: Rework css driver.
Rework the css driver methods to provide sane callbacks for subchannels of all types. As a bonus, this cleans up and simplyfies the machine check handling for I/O subchannels a lot. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chp.h')
-rw-r--r--drivers/s390/cio/chp.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h
index 59c2fc069d9..f03b0d2cdc0 100644
--- a/drivers/s390/cio/chp.h
+++ b/drivers/s390/cio/chp.h
@@ -19,6 +19,17 @@
#define CHP_STATUS_RESERVED 2
#define CHP_STATUS_NOT_RECOGNIZED 3
+#define CHP_ONLINE 0
+#define CHP_OFFLINE 1
+#define CHP_VARY_ON 2
+#define CHP_VARY_OFF 3
+
+struct res_acc_data {
+ struct chp_id chpid;
+ u32 fla_mask;
+ u16 fla;
+};
+
static inline int chp_test_bit(u8 *bitmap, int num)
{
int byte = num >> 3;
@@ -50,5 +61,5 @@ int chp_new(struct chp_id chpid);
void chp_cfg_schedule(struct chp_id chpid, int configure);
void chp_cfg_cancel_deconfigure(struct chp_id chpid);
int chp_info_get_status(struct chp_id chpid);
-
+int chp_ssd_get_mask(struct chsc_ssd_info *, struct res_acc_data *);
#endif /* S390_CHP_H */