]> git.proxmox.com Git - ceph.git/blobdiff - ceph/src/spdk/dpdk/drivers/event/octeontx2/otx2_evdev_irq.c
update source to Ceph Pacific 16.2.2
[ceph.git] / ceph / src / spdk / dpdk / drivers / event / octeontx2 / otx2_evdev_irq.c
diff --git a/ceph/src/spdk/dpdk/drivers/event/octeontx2/otx2_evdev_irq.c b/ceph/src/spdk/dpdk/drivers/event/octeontx2/otx2_evdev_irq.c
new file mode 100644 (file)
index 0000000..a203364
--- /dev/null
@@ -0,0 +1,272 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2019 Marvell International Ltd.
+ */
+
+#include "otx2_evdev.h"
+#include "otx2_tim_evdev.h"
+
+static void
+sso_lf_irq(void *param)
+{
+       uintptr_t base = (uintptr_t)param;
+       uint64_t intr;
+       uint8_t ggrp;
+
+       ggrp = (base >> 12) & 0xFF;
+
+       intr = otx2_read64(base + SSO_LF_GGRP_INT);
+       if (intr == 0)
+               return;
+
+       otx2_err("GGRP %d GGRP_INT=0x%" PRIx64 "", ggrp, intr);
+
+       /* Clear interrupt */
+       otx2_write64(intr, base + SSO_LF_GGRP_INT);
+}
+
+static int
+sso_lf_register_irq(const struct rte_eventdev *event_dev, uint16_t ggrp_msixoff,
+                   uintptr_t base)
+{
+       struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(event_dev->dev);
+       struct rte_intr_handle *handle = &pci_dev->intr_handle;
+       int rc, vec;
+
+       vec = ggrp_msixoff + SSO_LF_INT_VEC_GRP;
+
+       /* Clear err interrupt */
+       otx2_write64(~0ull, base + SSO_LF_GGRP_INT_ENA_W1C);
+       /* Set used interrupt vectors */
+       rc = otx2_register_irq(handle, sso_lf_irq, (void *)base, vec);
+       /* Enable hw interrupt */
+       otx2_write64(~0ull, base + SSO_LF_GGRP_INT_ENA_W1S);
+
+       return rc;
+}
+
+static void
+ssow_lf_irq(void *param)
+{
+       uintptr_t base = (uintptr_t)param;
+       uint8_t gws = (base >> 12) & 0xFF;
+       uint64_t intr;
+
+       intr = otx2_read64(base + SSOW_LF_GWS_INT);
+       if (intr == 0)
+               return;
+
+       otx2_err("GWS %d GWS_INT=0x%" PRIx64 "", gws, intr);
+
+       /* Clear interrupt */
+       otx2_write64(intr, base + SSOW_LF_GWS_INT);
+}
+
+static int
+ssow_lf_register_irq(const struct rte_eventdev *event_dev, uint16_t gws_msixoff,
+                    uintptr_t base)
+{
+       struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(event_dev->dev);
+       struct rte_intr_handle *handle = &pci_dev->intr_handle;
+       int rc, vec;
+
+       vec = gws_msixoff + SSOW_LF_INT_VEC_IOP;
+
+       /* Clear err interrupt */
+       otx2_write64(~0ull, base + SSOW_LF_GWS_INT_ENA_W1C);
+       /* Set used interrupt vectors */
+       rc = otx2_register_irq(handle, ssow_lf_irq, (void *)base, vec);
+       /* Enable hw interrupt */
+       otx2_write64(~0ull, base + SSOW_LF_GWS_INT_ENA_W1S);
+
+       return rc;
+}
+
+static void
+sso_lf_unregister_irq(const struct rte_eventdev *event_dev,
+                     uint16_t ggrp_msixoff, uintptr_t base)
+{
+       struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(event_dev->dev);
+       struct rte_intr_handle *handle = &pci_dev->intr_handle;
+       int vec;
+
+       vec = ggrp_msixoff + SSO_LF_INT_VEC_GRP;
+
+       /* Clear err interrupt */
+       otx2_write64(~0ull, base + SSO_LF_GGRP_INT_ENA_W1C);
+       otx2_unregister_irq(handle, sso_lf_irq, (void *)base, vec);
+}
+
+static void
+ssow_lf_unregister_irq(const struct rte_eventdev *event_dev,
+                      uint16_t gws_msixoff, uintptr_t base)
+{
+       struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(event_dev->dev);
+       struct rte_intr_handle *handle = &pci_dev->intr_handle;
+       int vec;
+
+       vec = gws_msixoff + SSOW_LF_INT_VEC_IOP;
+
+       /* Clear err interrupt */
+       otx2_write64(~0ull, base + SSOW_LF_GWS_INT_ENA_W1C);
+       otx2_unregister_irq(handle, ssow_lf_irq, (void *)base, vec);
+}
+
+int
+sso_register_irqs(const struct rte_eventdev *event_dev)
+{
+       struct otx2_sso_evdev *dev = sso_pmd_priv(event_dev);
+       int i, rc = -EINVAL;
+       uint8_t nb_ports;
+
+       nb_ports = dev->nb_event_ports * (dev->dual_ws ? 2 : 1);
+
+       for (i = 0; i < dev->nb_event_queues; i++) {
+               if (dev->sso_msixoff[i] == MSIX_VECTOR_INVALID) {
+                       otx2_err("Invalid SSOLF MSIX offset[%d] vector: 0x%x",
+                                i, dev->sso_msixoff[i]);
+                       goto fail;
+               }
+       }
+
+       for (i = 0; i < nb_ports; i++) {
+               if (dev->ssow_msixoff[i] == MSIX_VECTOR_INVALID) {
+                       otx2_err("Invalid SSOWLF MSIX offset[%d] vector: 0x%x",
+                                i, dev->ssow_msixoff[i]);
+                       goto fail;
+               }
+       }
+
+       for (i = 0; i < dev->nb_event_queues; i++) {
+               uintptr_t base = dev->bar2 + (RVU_BLOCK_ADDR_SSO << 20 |
+                                             i << 12);
+               rc = sso_lf_register_irq(event_dev, dev->sso_msixoff[i], base);
+       }
+
+       for (i = 0; i < nb_ports; i++) {
+               uintptr_t base = dev->bar2 + (RVU_BLOCK_ADDR_SSOW << 20 |
+                                             i << 12);
+               rc = ssow_lf_register_irq(event_dev, dev->ssow_msixoff[i],
+                                         base);
+       }
+
+fail:
+       return rc;
+}
+
+void
+sso_unregister_irqs(const struct rte_eventdev *event_dev)
+{
+       struct otx2_sso_evdev *dev = sso_pmd_priv(event_dev);
+       uint8_t nb_ports;
+       int i;
+
+       nb_ports = dev->nb_event_ports * (dev->dual_ws ? 2 : 1);
+
+       for (i = 0; i < dev->nb_event_queues; i++) {
+               uintptr_t base = dev->bar2 + (RVU_BLOCK_ADDR_SSO << 20 |
+                                             i << 12);
+               sso_lf_unregister_irq(event_dev, dev->sso_msixoff[i], base);
+       }
+
+       for (i = 0; i < nb_ports; i++) {
+               uintptr_t base = dev->bar2 + (RVU_BLOCK_ADDR_SSOW << 20 |
+                                             i << 12);
+               ssow_lf_unregister_irq(event_dev, dev->ssow_msixoff[i], base);
+       }
+}
+
+static void
+tim_lf_irq(void *param)
+{
+       uintptr_t base = (uintptr_t)param;
+       uint64_t intr;
+       uint8_t ring;
+
+       ring = (base >> 12) & 0xFF;
+
+       intr = otx2_read64(base + TIM_LF_NRSPERR_INT);
+       otx2_err("TIM RING %d TIM_LF_NRSPERR_INT=0x%" PRIx64 "", ring, intr);
+       intr = otx2_read64(base + TIM_LF_RAS_INT);
+       otx2_err("TIM RING %d TIM_LF_RAS_INT=0x%" PRIx64 "", ring, intr);
+
+       /* Clear interrupt */
+       otx2_write64(intr, base + TIM_LF_NRSPERR_INT);
+       otx2_write64(intr, base + TIM_LF_RAS_INT);
+}
+
+static int
+tim_lf_register_irq(struct rte_pci_device *pci_dev, uint16_t tim_msixoff,
+                   uintptr_t base)
+{
+       struct rte_intr_handle *handle = &pci_dev->intr_handle;
+       int rc, vec;
+
+       vec = tim_msixoff + TIM_LF_INT_VEC_NRSPERR_INT;
+
+       /* Clear err interrupt */
+       otx2_write64(~0ull, base + TIM_LF_NRSPERR_INT);
+       /* Set used interrupt vectors */
+       rc = otx2_register_irq(handle, tim_lf_irq, (void *)base, vec);
+       /* Enable hw interrupt */
+       otx2_write64(~0ull, base + TIM_LF_NRSPERR_INT_ENA_W1S);
+
+       vec = tim_msixoff + TIM_LF_INT_VEC_RAS_INT;
+
+       /* Clear err interrupt */
+       otx2_write64(~0ull, base + TIM_LF_RAS_INT);
+       /* Set used interrupt vectors */
+       rc = otx2_register_irq(handle, tim_lf_irq, (void *)base, vec);
+       /* Enable hw interrupt */
+       otx2_write64(~0ull, base + TIM_LF_RAS_INT_ENA_W1S);
+
+       return rc;
+}
+
+static void
+tim_lf_unregister_irq(struct rte_pci_device *pci_dev, uint16_t tim_msixoff,
+                     uintptr_t base)
+{
+       struct rte_intr_handle *handle = &pci_dev->intr_handle;
+       int vec;
+
+       vec = tim_msixoff + TIM_LF_INT_VEC_NRSPERR_INT;
+
+       /* Clear err interrupt */
+       otx2_write64(~0ull, base + TIM_LF_NRSPERR_INT_ENA_W1C);
+       otx2_unregister_irq(handle, tim_lf_irq, (void *)base, vec);
+
+       vec = tim_msixoff + TIM_LF_INT_VEC_RAS_INT;
+
+       /* Clear err interrupt */
+       otx2_write64(~0ull, base + TIM_LF_RAS_INT_ENA_W1C);
+       otx2_unregister_irq(handle, tim_lf_irq, (void *)base, vec);
+}
+
+int
+tim_register_irq(uint16_t ring_id)
+{
+       struct otx2_tim_evdev *dev = tim_priv_get();
+       int rc = -EINVAL;
+       uintptr_t base;
+
+       if (dev->tim_msixoff[ring_id] == MSIX_VECTOR_INVALID) {
+               otx2_err("Invalid TIMLF MSIX offset[%d] vector: 0x%x",
+                        ring_id, dev->tim_msixoff[ring_id]);
+               goto fail;
+       }
+
+       base = dev->bar2 + (RVU_BLOCK_ADDR_TIM << 20 | ring_id << 12);
+       rc = tim_lf_register_irq(dev->pci_dev, dev->tim_msixoff[ring_id], base);
+fail:
+       return rc;
+}
+
+void
+tim_unregister_irq(uint16_t ring_id)
+{
+       struct otx2_tim_evdev *dev = tim_priv_get();
+       uintptr_t base;
+
+       base = dev->bar2 + (RVU_BLOCK_ADDR_TIM << 20 | ring_id << 12);
+       tim_lf_unregister_irq(dev->pci_dev, dev->tim_msixoff[ring_id], base);
+}