diff options
| author | Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | 2007-04-27 18:01:31 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-04-27 18:01:39 +0400 |
| commit | e5854a5839fa426a7873f038080f63587de5f1f1 (patch) | |
| tree | c0a3705df925e652ff0694a47e7acb98e5f7d7bd /drivers/s390/cio/chp.h | |
| parent | f5ba6c863617c15d22cce5f8666ff4c832773025 (diff) | |
| download | linux-e5854a5839fa426a7873f038080f63587de5f1f1.tar.xz | |
[S390] cio: Channel-path configure function.
Add a new attribute to the channel-path sysfs directory through which
channel-path configure operations can be triggered. Also listen for
hardware events requesting channel-path configure operations and
process them accordingly.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@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.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h index ac2b1a9c3bc2..862af69d9707 100644 --- a/drivers/s390/cio/chp.h +++ b/drivers/s390/cio/chp.h @@ -10,10 +10,23 @@ #include <linux/types.h> #include <linux/device.h> - -#include "chpid.h" +#include <asm/chpid.h> #include "chsc.h" +#define CHP_STATUS_STANDBY 0 +#define CHP_STATUS_CONFIGURED 1 +#define CHP_STATUS_RESERVED 2 +#define CHP_STATUS_NOT_RECOGNIZED 3 + +static inline int chp_test_bit(u8 *bitmap, int num) +{ + int byte = num >> 3; + int mask = 128 >> (num & 7); + + return (bitmap[byte] & mask) ? 1 : 0; +} + + struct channel_path { struct chp_id chpid; int state; @@ -33,5 +46,8 @@ int chp_process_crw(int id, int available); void chp_remove_cmg_attr(struct channel_path *chp); int chp_add_cmg_attr(struct channel_path *chp); 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); #endif /* S390_CHP_H */ |