void qman_test_high(void)
{
int flags, res;
struct qman_fq *fq = &fq_base;
pr_info("qman_test_high starting\n");
fd_init(&fd);
fd_init(&fd_dq);
/* Initialise (parked) FQ */
if (qman_create_fq(0, FQ_FLAGS, fq))
panic("qman_create_fq() failed\n");
if (qman_init_fq(fq, QMAN_INITFQ_FLAG_LOCAL, NULL))
panic("qman_init_fq() failed\n");
/* Do enqueues + VDQCR, twice. (Parked FQ) */
do_enqueues(fq);
pr_info("VDQCR (till-empty);\n");
if (qman_volatile_dequeue(fq, VDQCR_FLAGS,
QM_VDQCR_NUMFRAMES_TILLEMPTY))
panic("qman_volatile_dequeue() failed\n");
do_enqueues(fq);
pr_info("VDQCR (%d of %d);\n", NUM_PARTIAL, NUM_ENQUEUES);
if (qman_volatile_dequeue(fq, VDQCR_FLAGS,
QM_VDQCR_NUMFRAMES_SET(NUM_PARTIAL)))
panic("qman_volatile_dequeue() failed\n");
pr_info("VDQCR (%d of %d);\n", NUM_ENQUEUES - NUM_PARTIAL,
NUM_ENQUEUES);
if (qman_volatile_dequeue(fq, VDQCR_FLAGS,
QM_VDQCR_NUMFRAMES_SET(NUM_ENQUEUES - NUM_PARTIAL)))
panic("qman_volatile_dequeue() failed\n");
do_enqueues(fq);
pr_info("scheduled dequeue (till-empty)\n");
if (qman_schedule_fq(fq))
panic("qman_schedule_fq() failed\n");
wait_event(waitqueue, sdqcr_complete);
/* Retire and OOS the FQ */
res = qman_retire_fq(fq, &flags);
if (res < 0)
panic("qman_retire_fq() failed\n");
wait_event(waitqueue, retire_complete);
if (flags & QMAN_FQ_STATE_BLOCKOOS)
panic("leaking frames\n");
if (qman_oos_fq(fq))
panic("qman_oos_fq() failed\n");
qman_destroy_fq(fq, 0);
pr_info("qman_test_high finished\n");
}
static int kill_fq(struct device *qidev, struct qman_fq *fq)
{
enum qman_fq_state state;
u32 flags;
int ret;
ret = qman_retire_fq(fq, &flags);
if (ret < 0) {
dev_err(qidev, "qman_retire_fq failed\n");
return ret;
}
if (!ret)
goto empty_fq;
/* Async FQ retirement condition */
if (1 == ret) {
/* Retry till FQ gets in retired state */
do {
msleep(20);
qman_fq_state(fq, &state, &flags);
} while (qman_fq_state_retired != state);
WARN_ON(flags & QMAN_FQ_STATE_BLOCKOOS);
WARN_ON(flags & QMAN_FQ_STATE_ORL);
}
empty_fq:
if (flags & QMAN_FQ_STATE_NE) {
ret = empty_retired_fq(qidev, fq);
if (ret) {
dev_err(qidev, "empty_retired_fq fail for FQ: %u\n",
fq->fqid);
return ret;
}
}
ret = qman_oos_fq(fq);
if (ret)
dev_err(qidev, "OOS of FQID: %u failed\n", fq->fqid);
qman_destroy_fq(fq, 0);
return ret;
}
/* Destroys Frame Queues */
static void oh_fq_destroy(struct qman_fq *fq)
{
int _errno = 0;
_errno = qman_retire_fq(fq, NULL);
if (unlikely(_errno < 0))
pr_err(KBUILD_MODNAME": %s:%hu:%s(): qman_retire_fq(%u)=%d\n",
KBUILD_BASENAME".c", __LINE__, __func__,
qman_fq_fqid(fq), _errno);
_errno = qman_oos_fq(fq);
if (unlikely(_errno < 0)) {
pr_err(KBUILD_MODNAME": %s:%hu:%s(): qman_oos_fq(%u)=%d\n",
KBUILD_BASENAME".c", __LINE__, __func__,
qman_fq_fqid(fq), _errno);
}
qman_destroy_fq(fq, 0);
}
int qman_test_api(void)
{
unsigned int flags, frmcnt;
int err;
struct qman_fq *fq = &fq_base;
pr_info("%s(): Starting\n", __func__);
fd_init(&fd);
fd_init(&fd_dq);
/* Initialise (parked) FQ */
err = qman_create_fq(0, FQ_FLAGS, fq);
if (err) {
pr_crit("qman_create_fq() failed\n");
goto failed;
}
err = qman_init_fq(fq, QMAN_INITFQ_FLAG_LOCAL, NULL);
if (err) {
pr_crit("qman_init_fq() failed\n");
goto failed;
}
/* Do enqueues + VDQCR, twice. (Parked FQ) */
err = do_enqueues(fq);
if (err)
goto failed;
pr_info("VDQCR (till-empty);\n");
frmcnt = QM_VDQCR_NUMFRAMES_TILLEMPTY;
err = qman_volatile_dequeue(fq, VDQCR_FLAGS, frmcnt);
if (err) {
pr_crit("qman_volatile_dequeue() failed\n");
goto failed;
}
err = do_enqueues(fq);
if (err)
goto failed;
pr_info("VDQCR (%d of %d);\n", NUM_PARTIAL, NUM_ENQUEUES);
frmcnt = QM_VDQCR_NUMFRAMES_SET(NUM_PARTIAL);
err = qman_volatile_dequeue(fq, VDQCR_FLAGS, frmcnt);
if (err) {
pr_crit("qman_volatile_dequeue() failed\n");
goto failed;
}
pr_info("VDQCR (%d of %d);\n", NUM_ENQUEUES - NUM_PARTIAL,
NUM_ENQUEUES);
frmcnt = QM_VDQCR_NUMFRAMES_SET(NUM_ENQUEUES - NUM_PARTIAL);
err = qman_volatile_dequeue(fq, VDQCR_FLAGS, frmcnt);
if (err) {
pr_err("qman_volatile_dequeue() failed\n");
goto failed;
}
err = do_enqueues(fq);
if (err)
goto failed;
pr_info("scheduled dequeue (till-empty)\n");
err = qman_schedule_fq(fq);
if (err) {
pr_crit("qman_schedule_fq() failed\n");
goto failed;
}
wait_event(waitqueue, sdqcr_complete);
/* Retire and OOS the FQ */
err = qman_retire_fq(fq, &flags);
if (err < 0) {
pr_crit("qman_retire_fq() failed\n");
goto failed;
}
wait_event(waitqueue, retire_complete);
if (flags & QMAN_FQ_STATE_BLOCKOOS) {
err = -EIO;
pr_crit("leaking frames\n");
goto failed;
}
err = qman_oos_fq(fq);
if (err) {
pr_crit("qman_oos_fq() failed\n");
goto failed;
}
qman_destroy_fq(fq);
pr_info("%s(): Finished\n", __func__);
return 0;
failed:
WARN_ON(1);
return err;
}