diff options
Diffstat (limited to 'drivers/s390/crypto/zcrypt_api.h')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h index de659954c8f7..6ef8850a42df 100644 --- a/drivers/s390/crypto/zcrypt_api.h +++ b/drivers/s390/crypto/zcrypt_api.h @@ -38,6 +38,15 @@ */ #define ZCRYPT_RNG_BUFFER_SIZE 4096 +/** + * The zcrypt_wait_api_operational() function waits this + * amount in milliseconds for ap_wait_aqpn_bindings_complete(). + * Also on a cprb send failure with ENODEV the send functions + * trigger an ap bus rescan and wait this time in milliseconds + * for ap_wait_aqpn_bindings_complete() before resending. + */ +#define ZCRYPT_WAIT_BINDINGS_COMPLETE_MS 30000 + /* * Identifier for Crypto Request Performance Index */ @@ -67,6 +76,13 @@ struct zcrypt_track { #define TRACK_AGAIN_CARD_WEIGHT_PENALTY 1000 #define TRACK_AGAIN_QUEUE_WEIGHT_PENALTY 10000 +/* + * xflags - to be used with zcrypt_send_cprb() and + * zcrypt_send_ep11_cprb() for the xflags parameter. + */ +#define ZCRYPT_XFLAG_USERSPACE 0x0001 /* data ptrs address userspace */ +#define ZCRYPT_XFLAG_NOMEMALLOC 0x0002 /* do not allocate memory via kmalloc */ + struct zcrypt_ops { long (*rsa_modexpo)(struct zcrypt_queue *, struct ica_rsa_modexpo *, struct ap_message *); @@ -123,6 +139,8 @@ extern atomic_t zcrypt_rescan_req; extern spinlock_t zcrypt_list_lock; extern struct list_head zcrypt_card_list; +extern unsigned int zcrypt_mempool_threshold; + #define for_each_zcrypt_card(_zc) \ list_for_each_entry(_zc, &zcrypt_card_list, list) @@ -152,9 +170,10 @@ void zcrypt_msgtype_unregister(struct zcrypt_ops *); struct zcrypt_ops *zcrypt_msgtype(unsigned char *, int); int zcrypt_api_init(void); void zcrypt_api_exit(void); -long zcrypt_send_cprb(struct ica_xcRB *xcRB); -long zcrypt_send_ep11_cprb(struct ep11_urb *urb); -void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus); +long zcrypt_send_cprb(struct ica_xcRB *xcRB, u32 xflags); +long zcrypt_send_ep11_cprb(struct ep11_urb *urb, u32 xflags); +void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus, + int maxcard, int maxqueue); int zcrypt_device_status_ext(int card, int queue, struct zcrypt_device_status_ext *devstatus); |