diff options
Diffstat (limited to 'drivers/s390/crypto/ap_bus.h')
| -rw-r--r-- | drivers/s390/crypto/ap_bus.h | 70 |
1 files changed, 44 insertions, 26 deletions
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index 0f17933954fb..101fb324476f 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -39,22 +39,32 @@ static inline int ap_test_bit(unsigned int *ptr, unsigned int nr) return (*ptr & (0x80000000u >> nr)) != 0; } -#define AP_RESPONSE_NORMAL 0x00 -#define AP_RESPONSE_Q_NOT_AVAIL 0x01 -#define AP_RESPONSE_RESET_IN_PROGRESS 0x02 -#define AP_RESPONSE_DECONFIGURED 0x03 -#define AP_RESPONSE_CHECKSTOPPED 0x04 -#define AP_RESPONSE_BUSY 0x05 -#define AP_RESPONSE_INVALID_ADDRESS 0x06 -#define AP_RESPONSE_OTHERWISE_CHANGED 0x07 -#define AP_RESPONSE_INVALID_GISA 0x08 -#define AP_RESPONSE_Q_FULL 0x10 -#define AP_RESPONSE_NO_PENDING_REPLY 0x10 -#define AP_RESPONSE_INDEX_TOO_BIG 0x11 -#define AP_RESPONSE_NO_FIRST_PART 0x13 -#define AP_RESPONSE_MESSAGE_TOO_BIG 0x15 -#define AP_RESPONSE_REQ_FAC_NOT_INST 0x16 -#define AP_RESPONSE_INVALID_DOMAIN 0x42 +#define AP_RESPONSE_NORMAL 0x00 +#define AP_RESPONSE_Q_NOT_AVAIL 0x01 +#define AP_RESPONSE_RESET_IN_PROGRESS 0x02 +#define AP_RESPONSE_DECONFIGURED 0x03 +#define AP_RESPONSE_CHECKSTOPPED 0x04 +#define AP_RESPONSE_BUSY 0x05 +#define AP_RESPONSE_INVALID_ADDRESS 0x06 +#define AP_RESPONSE_OTHERWISE_CHANGED 0x07 +#define AP_RESPONSE_INVALID_GISA 0x08 +#define AP_RESPONSE_Q_BOUND_TO_ANOTHER 0x09 +#define AP_RESPONSE_STATE_CHANGE_IN_PROGRESS 0x0A +#define AP_RESPONSE_Q_NOT_BOUND 0x0B +#define AP_RESPONSE_Q_FULL 0x10 +#define AP_RESPONSE_NO_PENDING_REPLY 0x10 +#define AP_RESPONSE_INDEX_TOO_BIG 0x11 +#define AP_RESPONSE_NO_FIRST_PART 0x13 +#define AP_RESPONSE_MESSAGE_TOO_BIG 0x15 +#define AP_RESPONSE_REQ_FAC_NOT_INST 0x16 +#define AP_RESPONSE_Q_BIND_ERROR 0x30 +#define AP_RESPONSE_Q_NOT_AVAIL_FOR_ASSOC 0x31 +#define AP_RESPONSE_Q_NOT_EMPTY 0x32 +#define AP_RESPONSE_BIND_LIMIT_EXCEEDED 0x33 +#define AP_RESPONSE_INVALID_ASSOC_SECRET 0x34 +#define AP_RESPONSE_ASSOC_SECRET_NOT_UNIQUE 0x35 +#define AP_RESPONSE_ASSOC_FAILED 0x36 +#define AP_RESPONSE_INVALID_DOMAIN 0x42 /* * Known device types @@ -92,6 +102,7 @@ enum ap_sm_state { AP_SM_STATE_IDLE, AP_SM_STATE_WORKING, AP_SM_STATE_QUEUE_FULL, + AP_SM_STATE_ASSOC_WAIT, NR_AP_SM_STATES }; @@ -108,10 +119,11 @@ enum ap_sm_event { * AP queue state wait behaviour */ enum ap_sm_wait { - AP_SM_WAIT_AGAIN = 0, /* retry immediately */ - AP_SM_WAIT_TIMEOUT, /* wait for timeout */ - AP_SM_WAIT_INTERRUPT, /* wait for thin interrupt (if available) */ - AP_SM_WAIT_NONE, /* no wait */ + AP_SM_WAIT_AGAIN = 0, /* retry immediately */ + AP_SM_WAIT_HIGH_TIMEOUT, /* poll high freq, wait for timeout */ + AP_SM_WAIT_LOW_TIMEOUT, /* poll low freq, wait for timeout */ + AP_SM_WAIT_INTERRUPT, /* wait for thin interrupt (if available) */ + AP_SM_WAIT_NONE, /* no wait */ NR_AP_SM_WAIT }; @@ -178,7 +190,7 @@ struct ap_device { struct ap_card { struct ap_device ap_dev; int raw_hwtype; /* AP raw hardware type. */ - unsigned int functions; /* AP device function bitfield. */ + unsigned int functions; /* TAPQ GR2 upper 32 facility bits */ int queue_depth; /* AP queue depth.*/ int id; /* AP card number. */ unsigned int maxmsgsize; /* AP msg limit for this card */ @@ -187,6 +199,9 @@ struct ap_card { atomic64_t total_request_count; /* # requests ever for this AP device.*/ }; +#define TAPQ_CARD_FUNC_CMP_MASK 0xFFFF0000 +#define ASSOC_IDX_INVALID 0x10000 + #define to_ap_card(x) container_of((x), struct ap_card, ap_dev.device) struct ap_queue { @@ -199,6 +214,7 @@ struct ap_queue { bool chkstop; /* checkstop state */ ap_qid_t qid; /* AP queue id. */ bool interrupt; /* indicate if interrupts are enabled */ + unsigned int assoc_idx; /* SE association index */ int queue_count; /* # messages currently on AP queue. */ int pendingq_count; /* # requests on pendingq list. */ int requestq_count; /* # requests on requestq list. */ @@ -209,6 +225,7 @@ struct ap_queue { struct list_head requestq; /* List of message yet to be sent. */ struct ap_message *reply; /* Per device reply message. */ enum ap_sm_state sm_state; /* ap queue state machine state */ + int rapq_fbit; /* fbit arg for next rapq invocation */ int last_err_rc; /* last error state response code */ }; @@ -242,10 +259,10 @@ enum ap_fi_flags { struct ap_message { struct list_head list; /* Request queueing. */ - unsigned long long psmid; /* Message id. */ + unsigned long psmid; /* Message id. */ void *msg; /* Pointer to message buffer. */ - unsigned int len; /* actual msg len in msg buffer */ - unsigned int bufsize; /* allocated msg buffer size */ + size_t len; /* actual msg len in msg buffer */ + size_t bufsize; /* allocated msg buffer size */ u16 flags; /* Flags, see AP_MSG_FLAG_xxx */ struct ap_fi fi; /* Failure Injection cmd */ int rc; /* Return code for this message */ @@ -285,8 +302,8 @@ static inline void ap_release_message(struct ap_message *ap_msg) * for the first time. Otherwise the ap message queue will get * confused. */ -int ap_send(ap_qid_t, unsigned long long, void *, size_t); -int ap_recv(ap_qid_t, unsigned long long *, void *, size_t); +int ap_send(ap_qid_t qid, unsigned long psmid, void *msg, size_t msglen); +int ap_recv(ap_qid_t qid, unsigned long *psmid, void *msg, size_t msglen); enum ap_sm_wait ap_sm_event(struct ap_queue *aq, enum ap_sm_event event); enum ap_sm_wait ap_sm_event_loop(struct ap_queue *aq, enum ap_sm_event event); @@ -296,6 +313,7 @@ void ap_cancel_message(struct ap_queue *aq, struct ap_message *ap_msg); void ap_flush_queue(struct ap_queue *aq); void *ap_airq_ptr(void); +int ap_sb_available(void); void ap_wait(enum ap_sm_wait wait); void ap_request_timeout(struct timer_list *t); void ap_bus_force_rescan(void); |