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Diffstat (limited to 'drivers/bus/dpaa/base/qbman/qman.c')
-rw-r--r--drivers/bus/dpaa/base/qbman/qman.c72
1 files changed, 57 insertions, 15 deletions
diff --git a/drivers/bus/dpaa/base/qbman/qman.c b/drivers/bus/dpaa/base/qbman/qman.c
index 7c17027f..dc64d089 100644
--- a/drivers/bus/dpaa/base/qbman/qman.c
+++ b/drivers/bus/dpaa/base/qbman/qman.c
@@ -852,11 +852,9 @@ mr_loop:
case QM_MR_VERB_FQPN:
/* Parked */
#ifdef CONFIG_FSL_QMAN_FQ_LOOKUP
- fq = get_fq_table_entry(
- be32_to_cpu(msg->fq.contextB));
+ fq = get_fq_table_entry(msg->fq.contextB);
#else
- fq = (void *)(uintptr_t)
- be32_to_cpu(msg->fq.contextB);
+ fq = (void *)(uintptr_t)msg->fq.contextB;
#endif
fq_state_change(p, fq, msg, verb);
if (fq->cb.fqs)
@@ -967,7 +965,6 @@ static inline unsigned int __poll_portal_fast(struct qman_portal *p,
*shadow = *dq;
dq = shadow;
shadow->fqid = be32_to_cpu(shadow->fqid);
- shadow->contextB = be32_to_cpu(shadow->contextB);
shadow->seqnum = be16_to_cpu(shadow->seqnum);
hw_fd_to_cpu(&shadow->fd);
#endif
@@ -1040,6 +1037,50 @@ static inline unsigned int __poll_portal_fast(struct qman_portal *p,
return limit;
}
+int qman_irqsource_add(u32 bits)
+{
+ struct qman_portal *p = get_affine_portal();
+
+ bits = bits & QM_PIRQ_VISIBLE;
+
+ /* Clear any previously remaining interrupt conditions in
+ * QCSP_ISR. This prevents raising a false interrupt when
+ * interrupt conditions are enabled in QCSP_IER.
+ */
+ qm_isr_status_clear(&p->p, bits);
+ dpaa_set_bits(bits, &p->irq_sources);
+ qm_isr_enable_write(&p->p, p->irq_sources);
+
+
+ return 0;
+}
+
+int qman_irqsource_remove(u32 bits)
+{
+ struct qman_portal *p = get_affine_portal();
+ u32 ier;
+
+ /* Our interrupt handler only processes+clears status register bits that
+ * are in p->irq_sources. As we're trimming that mask, if one of them
+ * were to assert in the status register just before we remove it from
+ * the enable register, there would be an interrupt-storm when we
+ * release the IRQ lock. So we wait for the enable register update to
+ * take effect in h/w (by reading it back) and then clear all other bits
+ * in the status register. Ie. we clear them from ISR once it's certain
+ * IER won't allow them to reassert.
+ */
+
+ bits &= QM_PIRQ_VISIBLE;
+ dpaa_clear_bits(bits, &p->irq_sources);
+ qm_isr_enable_write(&p->p, p->irq_sources);
+ ier = qm_isr_enable_read(&p->p);
+ /* Using "~ier" (rather than "bits" or "~p->irq_sources") creates a
+ * data-dependency, ie. to protect against re-ordering.
+ */
+ qm_isr_status_clear(&p->p, ~ier);
+ return 0;
+}
+
u16 qman_affine_channel(int cpu)
{
if (cpu < 0) {
@@ -1092,9 +1133,9 @@ unsigned int qman_portal_poll_rx(unsigned int poll_limit,
/* SDQCR: context_b points to the FQ */
#ifdef CONFIG_FSL_QMAN_FQ_LOOKUP
- fq = qman_fq_lookup_table[be32_to_cpu(dq[rx_number]->contextB)];
+ fq = qman_fq_lookup_table[dq[rx_number]->contextB];
#else
- fq = (void *)be32_to_cpu(dq[rx_number]->contextB);
+ fq = (void *)dq[rx_number]->contextB;
#endif
if (fq->cb.dqrr_prepare)
fq->cb.dqrr_prepare(shadow[rx_number],
@@ -1114,6 +1155,14 @@ unsigned int qman_portal_poll_rx(unsigned int poll_limit,
return rx_number;
}
+void qman_clear_irq(void)
+{
+ struct qman_portal *p = get_affine_portal();
+ u32 clear = QM_DQAVAIL_MASK | (p->irq_sources &
+ ~(QM_PIRQ_CSCI | QM_PIRQ_CCSCI));
+ qm_isr_status_clear(&p->p, clear);
+}
+
u32 qman_portal_dequeue(struct rte_event ev[], unsigned int poll_limit,
void **bufs)
{
@@ -1143,7 +1192,6 @@ u32 qman_portal_dequeue(struct rte_event ev[], unsigned int poll_limit,
*shadow = *dq;
dq = shadow;
shadow->fqid = be32_to_cpu(shadow->fqid);
- shadow->contextB = be32_to_cpu(shadow->contextB);
shadow->seqnum = be16_to_cpu(shadow->seqnum);
hw_fd_to_cpu(&shadow->fd);
#endif
@@ -1208,7 +1256,6 @@ struct qm_dqrr_entry *qman_dequeue(struct qman_fq *fq)
*shadow = *dq;
dq = shadow;
shadow->fqid = be32_to_cpu(shadow->fqid);
- shadow->contextB = be32_to_cpu(shadow->contextB);
shadow->seqnum = be16_to_cpu(shadow->seqnum);
hw_fd_to_cpu(&shadow->fd);
#endif
@@ -1504,7 +1551,7 @@ int qman_init_fq(struct qman_fq *fq, u32 flags, struct qm_mcc_initfq *opts)
mcc->initfq.we_mask |= QM_INITFQ_WE_CONTEXTB;
#ifdef CONFIG_FSL_QMAN_FQ_LOOKUP
- mcc->initfq.fqd.context_b = fq->key;
+ mcc->initfq.fqd.context_b = cpu_to_be32(fq->key);
#else
mcc->initfq.fqd.context_b = (u32)(uintptr_t)fq;
#endif
@@ -2186,11 +2233,6 @@ int qman_enqueue_multi(struct qman_fq *fq,
/* try to send as many frames as possible */
while (eqcr->available && frames_to_send--) {
eq->fqid = fq->fqid_le;
-#ifdef CONFIG_FSL_QMAN_FQ_LOOKUP
- eq->tag = cpu_to_be32(fq->key);
-#else
- eq->tag = cpu_to_be32((u32)(uintptr_t)fq);
-#endif
eq->fd.opaque_addr = fd->opaque_addr;
eq->fd.addr = cpu_to_be40(fd->addr);
eq->fd.status = cpu_to_be32(fd->status);