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s390/ap: Add functiton facility information as AP device attribute.

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Add the function facility information as new ap_device and sysfs
attribute. Also make the number of requests in device
queue and in device driver queue accessible in sysfs.

Reviewed-by: Ingo Tuchscherer <ingo.tuchscherer@linux.vnet.ibm.com>
Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Holger Dengler
2012-08-28 16:43:48 +02:00
committed by Martin Schwidefsky
parent 7501455051
commit b26bd9413c
3 changed files with 52 additions and 22 deletions
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11
drivers/s390/crypto/ap_bus.h
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@@ -117,6 +117,14 @@ static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)
#define AP_DEVICE_TYPE_CEX3A 8
#define AP_DEVICE_TYPE_CEX3C 9
/*
* Known function facilities
*/
#define AP_FUNC_MEX4K 1
#define AP_FUNC_CRT4K 2
#define AP_FUNC_COPRO 3
#define AP_FUNC_ACCEL 4
/*
* AP reset flag states
*/
@@ -150,6 +158,7 @@ struct ap_device {
ap_qid_t qid; /* AP queue id. */
int queue_depth; /* AP queue depth.*/
int device_type; /* AP device type. */
unsigned int functions; /* AP device function bitfield. */
int unregistered; /* marks AP device as unregistered */
struct timer_list timeout; /* Timer for request timeouts. */
int reset; /* Reset required after req. timeout. */
@@ -225,6 +234,4 @@ void ap_flush_queue(struct ap_device *ap_dev);
int ap_module_init(void);
void ap_module_exit(void);
int ap_4096_commands_available(ap_qid_t qid);
#endif /* _AP_BUS_H_ */