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authorArnaldo Carvalho de Melo <acme@redhat.com>2020-08-06 14:15:47 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-08-06 14:15:47 +0300
commit94fb1afb14c4f0ceb8c5508ddddac6819f662e95 (patch)
tree4988e5769dc7482caa7f441475ae31f50bbd37ef /drivers/s390/crypto/ap_bus.h
parentc4735d990268399da9133b0ad445e488ece009ad (diff)
parent47ec5303d73ea344e84f46660fff693c57641386 (diff)
downloadlinux-94fb1afb14c4f0ceb8c5508ddddac6819f662e95.tar.xz
Mgerge remote-tracking branch 'torvalds/master' into perf/core
To sync headers, for instance, in this case tools/perf was ahead of upstream till Linus merged tip/perf/core to get the PERF_RECORD_TEXT_POKE changes: Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h' diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/s390/crypto/ap_bus.h')
-rw-r--r--drivers/s390/crypto/ap_bus.h69
1 files changed, 35 insertions, 34 deletions
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 053cc34d2ca2..1a1d5e3c8d45 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -83,39 +83,39 @@ static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)
#define AP_INTR_ENABLED 1 /* AP interrupt enabled */
/*
- * AP device states
+ * AP queue state machine states
*/
-enum ap_state {
- AP_STATE_RESET_START,
- AP_STATE_RESET_WAIT,
- AP_STATE_SETIRQ_WAIT,
- AP_STATE_IDLE,
- AP_STATE_WORKING,
- AP_STATE_QUEUE_FULL,
- AP_STATE_REMOVE, /* about to be removed from driver */
- AP_STATE_UNBOUND, /* momentary not bound to a driver */
- AP_STATE_BORKED, /* broken */
- NR_AP_STATES
+enum ap_sm_state {
+ AP_SM_STATE_RESET_START,
+ AP_SM_STATE_RESET_WAIT,
+ AP_SM_STATE_SETIRQ_WAIT,
+ AP_SM_STATE_IDLE,
+ AP_SM_STATE_WORKING,
+ AP_SM_STATE_QUEUE_FULL,
+ AP_SM_STATE_REMOVE, /* about to be removed from driver */
+ AP_SM_STATE_UNBOUND, /* momentary not bound to a driver */
+ AP_SM_STATE_BORKED, /* broken */
+ NR_AP_SM_STATES
};
/*
- * AP device events
+ * AP queue state machine events
*/
-enum ap_event {
- AP_EVENT_POLL,
- AP_EVENT_TIMEOUT,
- NR_AP_EVENTS
+enum ap_sm_event {
+ AP_SM_EVENT_POLL,
+ AP_SM_EVENT_TIMEOUT,
+ NR_AP_SM_EVENTS
};
/*
- * AP wait behaviour
+ * AP queue state wait behaviour
*/
-enum ap_wait {
- AP_WAIT_AGAIN, /* retry immediately */
- AP_WAIT_TIMEOUT, /* wait for timeout */
- AP_WAIT_INTERRUPT, /* wait for thin interrupt (if available) */
- AP_WAIT_NONE, /* no wait */
- NR_AP_WAIT
+enum ap_sm_wait {
+ AP_SM_WAIT_AGAIN, /* 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 */
+ NR_AP_SM_WAIT
};
struct ap_device;
@@ -172,7 +172,7 @@ struct ap_queue {
ap_qid_t qid; /* AP queue id. */
int interrupt; /* indicate if interrupts are enabled */
int queue_count; /* # messages currently on AP queue. */
- enum ap_state state; /* State of the AP device. */
+ enum ap_sm_state sm_state; /* ap queue state machine state */
int pendingq_count; /* # requests on pendingq list. */
int requestq_count; /* # requests on requestq list. */
u64 total_request_count; /* # requests ever for this AP device.*/
@@ -185,22 +185,23 @@ struct ap_queue {
#define to_ap_queue(x) container_of((x), struct ap_queue, ap_dev.device)
-typedef enum ap_wait (ap_func_t)(struct ap_queue *queue);
+typedef enum ap_sm_wait (ap_func_t)(struct ap_queue *queue);
struct ap_message {
struct list_head list; /* Request queueing. */
unsigned long long psmid; /* Message id. */
- void *message; /* Pointer to message buffer. */
- size_t length; /* Message length. */
+ void *msg; /* Pointer to message buffer. */
+ unsigned int len; /* Message length. */
+ u32 flags; /* Flags, see AP_MSG_FLAG_xxx */
int rc; /* Return code for this message */
-
void *private; /* ap driver private pointer. */
- unsigned int special:1; /* Used for special commands. */
/* receive is called from tasklet context */
void (*receive)(struct ap_queue *, struct ap_message *,
struct ap_message *);
};
+#define AP_MSG_FLAG_SPECIAL (1 << 16) /* flag msg as 'special' with NQAP */
+
/**
* ap_init_message() - Initialize ap_message.
* Initialize a message before using. Otherwise this might result in
@@ -218,7 +219,7 @@ static inline void ap_init_message(struct ap_message *ap_msg)
*/
static inline void ap_release_message(struct ap_message *ap_msg)
{
- kzfree(ap_msg->message);
+ kzfree(ap_msg->msg);
kzfree(ap_msg->private);
}
@@ -230,15 +231,15 @@ static inline void ap_release_message(struct ap_message *ap_msg)
int ap_send(ap_qid_t, unsigned long long, void *, size_t);
int ap_recv(ap_qid_t, unsigned long long *, void *, size_t);
-enum ap_wait ap_sm_event(struct ap_queue *aq, enum ap_event event);
-enum ap_wait ap_sm_event_loop(struct ap_queue *aq, enum ap_event event);
+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);
void ap_queue_message(struct ap_queue *aq, struct ap_message *ap_msg);
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);
-void ap_wait(enum ap_wait wait);
+void ap_wait(enum ap_sm_wait wait);
void ap_request_timeout(struct timer_list *t);
void ap_bus_force_rescan(void);