static int wake(void *args)
{
ASYNC_pause_job();
ASYNC_wake(ASYNC_get_current_job());
ASYNC_pause_job();
ASYNC_clear_wake(ASYNC_get_current_job());
return 1;
}
static int save_current(void *args)
{
currjob = ASYNC_get_current_job();
ASYNC_pause_job();
return 1;
}
int qat_setup_async_event_notification(int notificationNo)
{
/* We will ignore notificationNo for the moment */
ASYNC_JOB *job;
ASYNC_WAIT_CTX *waitctx;
OSSL_ASYNC_FD efd;
void *custom = NULL;
int ret = 0;
if ((job = ASYNC_get_current_job()) == NULL)
return ret;
if ((waitctx = ASYNC_get_wait_ctx(job)) == NULL)
return ret;
if (ASYNC_WAIT_CTX_get_fd(waitctx, engine_qat_id, &efd,
&custom)) {
ret = 1;
} else {
efd = eventfd(0, 0);
if (efd == -1) {
WARN("Failed to get eventfd = %d\n", errno);
return ret;
}
if ((ret = ASYNC_WAIT_CTX_set_wait_fd(waitctx, engine_qat_id, efd,
custom, qat_fd_cleanup)) == 0) {
qat_fd_cleanup(waitctx, engine_qat_id, efd, NULL);
}
}
return ret;
}
static int afalg_setup_async_event_notification(afalg_aio *aio)
{
ASYNC_JOB *job;
ASYNC_WAIT_CTX *waitctx;
void *custom = NULL;
int ret;
if ((job = ASYNC_get_current_job()) != NULL) {
/* Async mode */
waitctx = ASYNC_get_wait_ctx(job);
if (waitctx == NULL) {
ALG_WARN("%s(%d): ASYNC_get_wait_ctx error", __FILE__, __LINE__);
return 0;
}
/* Get waitfd from ASYNC_WAIT_CTX if it is already set */
ret = ASYNC_WAIT_CTX_get_fd(waitctx, engine_afalg_id,
&aio->efd, &custom);
if (ret == 0) {
/*
* waitfd is not set in ASYNC_WAIT_CTX, create a new one
* and set it. efd will be signaled when AIO operation completes
*/
aio->efd = eventfd(0);
if (aio->efd == -1) {
ALG_PERR("%s(%d): Failed to get eventfd : ", __FILE__,
__LINE__);
AFALGerr(AFALG_F_AFALG_SETUP_ASYNC_EVENT_NOTIFICATION,
AFALG_R_EVENTFD_FAILED);
return 0;
}
ret = ASYNC_WAIT_CTX_set_wait_fd(waitctx, engine_afalg_id,
aio->efd, custom,
afalg_waitfd_cleanup);
if (ret == 0) {
ALG_WARN("%s(%d): Failed to set wait fd", __FILE__, __LINE__);
close(aio->efd);
return 0;
}
/* make fd non-blocking in async mode */
if (fcntl(aio->efd, F_SETFL, O_NONBLOCK) != 0) {
ALG_WARN("%s(%d): Failed to set event fd as NONBLOCKING",
__FILE__, __LINE__);
}
}
aio->mode = MODE_ASYNC;
} else {
/* Sync mode */
aio->efd = eventfd(0);
if (aio->efd == -1) {
ALG_PERR("%s(%d): Failed to get eventfd : ", __FILE__, __LINE__);
AFALGerr(AFALG_F_AFALG_SETUP_ASYNC_EVENT_NOTIFICATION,
AFALG_R_EVENTFD_FAILED);
return 0;
}
aio->mode = MODE_SYNC;
}
return 1;
}
/******************************************************************************
* function:
* initOpDone(struct op_done *opDone)
*
* @param opDone [IN] - pointer to op done callback structure
*
* description:
* Initialise the QAT operation "done" callback structure.
*
******************************************************************************/
void initOpDone(struct op_done *opDone)
{
if (opDone == NULL) {
return;
}
opDone->flag = 0;
opDone->verifyResult = CPA_FALSE;
opDone->job = ASYNC_get_current_job();
}
static void dummy_pause_job(void) {
ASYNC_JOB *job;
if ((job = ASYNC_get_current_job()) == NULL)
return;
/*
* In the Dummy async engine we are cheating. We signal that the job
* is complete by waking it before the call to ASYNC_pause_job(). A real
* async engine would only wake when the job was actually complete
*/
ASYNC_wake(job);
/* Ignore errors - we carry on anyway */
ASYNC_pause_job();
ASYNC_clear_wake(job);
}
static void dummy_pause_job(void) {
ASYNC_JOB *job;
ASYNC_WAIT_CTX *waitctx;
OSSL_ASYNC_FD pipefds[2] = {0, 0};
OSSL_ASYNC_FD *writefd;
#if defined(ASYNC_WIN)
DWORD numwritten, numread;
char buf = DUMMY_CHAR;
#elif defined(ASYNC_POSIX)
char buf = DUMMY_CHAR;
#endif
if ((job = ASYNC_get_current_job()) == NULL)
return;
waitctx = ASYNC_get_wait_ctx(job);
if (ASYNC_WAIT_CTX_get_fd(waitctx, engine_dasync_id, &pipefds[0],
(void **)&writefd)) {
pipefds[1] = *writefd;
} else {
writefd = OPENSSL_malloc(sizeof(*writefd));
if (writefd == NULL)
return;
#if defined(ASYNC_WIN)
if (CreatePipe(&pipefds[0], &pipefds[1], NULL, 256) == 0) {
OPENSSL_free(writefd);
return;
}
#elif defined(ASYNC_POSIX)
if (pipe(pipefds) != 0) {
OPENSSL_free(writefd);
return;
}
#endif
*writefd = pipefds[1];
if(!ASYNC_WAIT_CTX_set_wait_fd(waitctx, engine_dasync_id, pipefds[0],
writefd, wait_cleanup)) {
wait_cleanup(waitctx, engine_dasync_id, pipefds[0], writefd);
return;
}
}
/*
* In the Dummy async engine we are cheating. We signal that the job
* is complete by waking it before the call to ASYNC_pause_job(). A real
* async engine would only wake when the job was actually complete
*/
#if defined(ASYNC_WIN)
WriteFile(pipefds[1], &buf, 1, &numwritten, NULL);
#elif defined(ASYNC_POSIX)
if (write(pipefds[1], &buf, 1) < 0)
return;
#endif
/* Ignore errors - we carry on anyway */
ASYNC_pause_job();
/* Clear the wake signal */
#if defined(ASYNC_WIN)
ReadFile(pipefds[0], &buf, 1, &numread, NULL);
#elif defined(ASYNC_POSIX)
if (read(pipefds[0], &buf, 1) < 0)
return;
#endif
}
