diff options
| author | Holger Dengler <hd@linux.vnet.ibm.com> | 2011-07-24 10:48:25 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-07-24 10:48:22 +0200 |
| commit | 6bed05bcbc8e5932e06059f0c3be1acdf30a39d4 (patch) | |
| tree | 57b2c17507127586cf8cfd46244be548c261d5d2 /drivers/s390/crypto/ap_bus.h | |
| parent | fdb204d1a7746a90b0d8a8665bf59af98c8c366a (diff) | |
[S390] ap: toleration support for ap device type 10
Add toleration support for ap devices with device type 10.
Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/ap_bus.h')
| -rw-r--r-- | drivers/s390/crypto/ap_bus.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index 08b9738285b4..d960a6309eec 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -6,6 +6,7 @@ * Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * Felix Beck <felix.beck@de.ibm.com> + * Holger Dengler <hd@linux.vnet.ibm.com> * * Adjunct processor bus header file. * @@ -72,7 +73,26 @@ struct ap_queue_status { unsigned int int_enabled : 1; unsigned int response_code : 8; unsigned int pad2 : 16; -}; +} __packed; + +#define AP_QUEUE_STATUS_INVALID \ + { 1, 1, 1, 0xF, 1, 0xFF, 0xFFFF } + +static inline +int ap_queue_status_invalid_test(struct ap_queue_status *status) +{ + struct ap_queue_status invalid = AP_QUEUE_STATUS_INVALID; + return !(memcmp(status, &invalid, sizeof(struct ap_queue_status))); +} + +#define MAX_AP_FACILITY 31 + +static inline int test_ap_facility(unsigned int function, unsigned int nr) +{ + if (nr > MAX_AP_FACILITY) + return 0; + return function & (unsigned int)(0x80000000 >> nr); +} #define AP_RESPONSE_NORMAL 0x00 #define AP_RESPONSE_Q_NOT_AVAIL 0x01 |