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 empty_retired_fq(struct device *qidev, struct qman_fq *fq)
{
int ret;
enum qman_fq_state state;
u32 flags = QMAN_VOLATILE_FLAG_WAIT_INT | QMAN_VOLATILE_FLAG_FINISH;
u32 vdqcr = QM_VDQCR_PRECEDENCE_VDQCR | QM_VDQCR_NUMFRAMES_TILLEMPTY;
ret = qman_volatile_dequeue(fq, flags, vdqcr);
if (ret) {
dev_err(qidev, "Volatile dequeue fail for FQ: %u\n", fq->fqid);
return ret;
}
do {
qman_poll_dqrr(16);
qman_fq_state(fq, &state, &flags);
} while (flags & QMAN_FQ_STATE_NE);
return 0;
}
static int empty_retired_fq(struct device *qidev, struct qman_fq *fq)
{
int ret;
ret = qman_volatile_dequeue(fq, QMAN_VOLATILE_FLAG_WAIT_INT |
QMAN_VOLATILE_FLAG_FINISH,
QM_VDQCR_PRECEDENCE_VDQCR |
QM_VDQCR_NUMFRAMES_TILLEMPTY);
if (ret) {
dev_err(qidev, "Volatile dequeue fail for FQ: %u\n", fq->fqid);
return ret;
}
do {
struct qman_portal *p;
p = qman_get_affine_portal(smp_processor_id());
qman_p_poll_dqrr(p, 16);
} while (fq->flags & QMAN_FQ_STATE_NE);
return 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;
}
