From: Jerin Jacob Date: Sat, 22 Jun 2019 13:24:09 +0000 (+0530) Subject: mempool/octeontx2: add NPA IRQ handler X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=50b95c3ea7af;p=dpdk.git mempool/octeontx2: add NPA IRQ handler Register and implement NPA IRQ handler for RAS and all type of error interrupts to get the fatal errors from HW. Signed-off-by: Jerin Jacob Signed-off-by: Harman Kalra --- diff --git a/drivers/mempool/octeontx2/Makefile b/drivers/mempool/octeontx2/Makefile index 6fbb6e291e..86950b2702 100644 --- a/drivers/mempool/octeontx2/Makefile +++ b/drivers/mempool/octeontx2/Makefile @@ -28,7 +28,8 @@ LIBABIVER := 1 # all source are stored in SRCS-y # SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX2_MEMPOOL) += \ - otx2_mempool.c + otx2_mempool.c \ + otx2_mempool_irq.c LDLIBS += -lrte_eal -lrte_mempool -lrte_mbuf LDLIBS += -lrte_common_octeontx2 -lrte_kvargs -lrte_bus_pci diff --git a/drivers/mempool/octeontx2/meson.build b/drivers/mempool/octeontx2/meson.build index ec3c59eefe..3f93b509db 100644 --- a/drivers/mempool/octeontx2/meson.build +++ b/drivers/mempool/octeontx2/meson.build @@ -3,6 +3,7 @@ # sources = files('otx2_mempool.c', + 'otx2_mempool_irq.c', ) extra_flags = [] diff --git a/drivers/mempool/octeontx2/otx2_mempool.c b/drivers/mempool/octeontx2/otx2_mempool.c index fa74b75323..1bcb86cf47 100644 --- a/drivers/mempool/octeontx2/otx2_mempool.c +++ b/drivers/mempool/octeontx2/otx2_mempool.c @@ -195,6 +195,7 @@ otx2_npa_lf_fini(void) return -ENOMEM; if (rte_atomic16_add_return(&idev->npa_refcnt, -1) == 0) { + otx2_npa_unregister_irqs(idev->npa_lf); rc |= npa_lf_fini(idev->npa_lf); rc |= npa_lf_detach(idev->npa_lf->mbox); otx2_npa_set_defaults(idev); @@ -251,6 +252,9 @@ otx2_npa_lf_init(struct rte_pci_device *pci_dev, void *otx2_dev) idev->npa_pf_func = dev->pf_func; idev->npa_lf = lf; rte_smp_wmb(); + rc = otx2_npa_register_irqs(lf); + if (rc) + goto npa_fini; rte_mbuf_set_platform_mempool_ops("octeontx2_npa"); otx2_npa_dbg("npa_lf=%p pools=%d sz=%d pf_func=0x%x msix=0x%x", @@ -259,6 +263,8 @@ otx2_npa_lf_init(struct rte_pci_device *pci_dev, void *otx2_dev) return 0; +npa_fini: + npa_lf_fini(idev->npa_lf); npa_detach: npa_lf_detach(dev->mbox); fail: diff --git a/drivers/mempool/octeontx2/otx2_mempool.h b/drivers/mempool/octeontx2/otx2_mempool.h index 871b45870a..41542cf899 100644 --- a/drivers/mempool/octeontx2/otx2_mempool.h +++ b/drivers/mempool/octeontx2/otx2_mempool.h @@ -198,4 +198,8 @@ npa_lf_aura_op_range_set(uint64_t aura_handle, uint64_t start_iova, int otx2_npa_lf_init(struct rte_pci_device *pci_dev, void *otx2_dev); int otx2_npa_lf_fini(void); +/* IRQ */ +int otx2_npa_register_irqs(struct otx2_npa_lf *lf); +void otx2_npa_unregister_irqs(struct otx2_npa_lf *lf); + #endif /* __OTX2_MEMPOOL_H__ */ diff --git a/drivers/mempool/octeontx2/otx2_mempool_irq.c b/drivers/mempool/octeontx2/otx2_mempool_irq.c new file mode 100644 index 0000000000..c026e1eea2 --- /dev/null +++ b/drivers/mempool/octeontx2/otx2_mempool_irq.c @@ -0,0 +1,302 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#include + +#include +#include + +#include "otx2_common.h" +#include "otx2_irq.h" +#include "otx2_mempool.h" + +static void +npa_lf_err_irq(void *param) +{ + struct otx2_npa_lf *lf = (struct otx2_npa_lf *)param; + uint64_t intr; + + intr = otx2_read64(lf->base + NPA_LF_ERR_INT); + if (intr == 0) + return; + + otx2_err("Err_intr=0x%" PRIx64 "", intr); + + /* Clear interrupt */ + otx2_write64(intr, lf->base + NPA_LF_ERR_INT); +} + +static int +npa_lf_register_err_irq(struct otx2_npa_lf *lf) +{ + struct rte_intr_handle *handle = lf->intr_handle; + int rc, vec; + + vec = lf->npa_msixoff + NPA_LF_INT_VEC_ERR_INT; + + /* Clear err interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_ERR_INT_ENA_W1C); + /* Register err interrupt vector */ + rc = otx2_register_irq(handle, npa_lf_err_irq, lf, vec); + + /* Enable hw interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_ERR_INT_ENA_W1S); + + return rc; +} + +static void +npa_lf_unregister_err_irq(struct otx2_npa_lf *lf) +{ + struct rte_intr_handle *handle = lf->intr_handle; + int vec; + + vec = lf->npa_msixoff + NPA_LF_INT_VEC_ERR_INT; + + /* Clear err interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_ERR_INT_ENA_W1C); + otx2_unregister_irq(handle, npa_lf_err_irq, lf, vec); +} + +static void +npa_lf_ras_irq(void *param) +{ + struct otx2_npa_lf *lf = (struct otx2_npa_lf *)param; + uint64_t intr; + + intr = otx2_read64(lf->base + NPA_LF_RAS); + if (intr == 0) + return; + + otx2_err("Ras_intr=0x%" PRIx64 "", intr); + + /* Clear interrupt */ + otx2_write64(intr, lf->base + NPA_LF_RAS); +} + +static int +npa_lf_register_ras_irq(struct otx2_npa_lf *lf) +{ + struct rte_intr_handle *handle = lf->intr_handle; + int rc, vec; + + vec = lf->npa_msixoff + NPA_LF_INT_VEC_POISON; + + /* Clear err interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_RAS_ENA_W1C); + /* Set used interrupt vectors */ + rc = otx2_register_irq(handle, npa_lf_ras_irq, lf, vec); + /* Enable hw interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_RAS_ENA_W1S); + + return rc; +} + +static void +npa_lf_unregister_ras_irq(struct otx2_npa_lf *lf) +{ + int vec; + struct rte_intr_handle *handle = lf->intr_handle; + + vec = lf->npa_msixoff + NPA_LF_INT_VEC_POISON; + + /* Clear err interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_RAS_ENA_W1C); + otx2_unregister_irq(handle, npa_lf_ras_irq, lf, vec); +} + +static inline uint8_t +npa_lf_q_irq_get_and_clear(struct otx2_npa_lf *lf, uint32_t q, + uint32_t off, uint64_t mask) +{ + uint64_t reg, wdata; + uint8_t qint; + + wdata = (uint64_t)q << 44; + reg = otx2_atomic64_add_nosync(wdata, (int64_t *)(lf->base + off)); + + if (reg & BIT_ULL(42) /* OP_ERR */) { + otx2_err("Failed execute irq get off=0x%x", off); + return 0; + } + + qint = reg & 0xff; + wdata &= mask; + otx2_write64(wdata, lf->base + off); + + return qint; +} + +static inline uint8_t +npa_lf_pool_irq_get_and_clear(struct otx2_npa_lf *lf, uint32_t p) +{ + return npa_lf_q_irq_get_and_clear(lf, p, NPA_LF_POOL_OP_INT, ~0xff00); +} + +static inline uint8_t +npa_lf_aura_irq_get_and_clear(struct otx2_npa_lf *lf, uint32_t a) +{ + return npa_lf_q_irq_get_and_clear(lf, a, NPA_LF_AURA_OP_INT, ~0xff00); +} + +static void +npa_lf_q_irq(void *param) +{ + struct otx2_npa_qint *qint = (struct otx2_npa_qint *)param; + struct otx2_npa_lf *lf = qint->lf; + uint8_t irq, qintx = qint->qintx; + uint32_t q, pool, aura; + uint64_t intr; + + intr = otx2_read64(lf->base + NPA_LF_QINTX_INT(qintx)); + if (intr == 0) + return; + + otx2_err("queue_intr=0x%" PRIx64 " qintx=%d", intr, qintx); + + /* Handle pool queue interrupts */ + for (q = 0; q < lf->nr_pools; q++) { + /* Skip disabled POOL */ + if (rte_bitmap_get(lf->npa_bmp, q)) + continue; + + pool = q % lf->qints; + irq = npa_lf_pool_irq_get_and_clear(lf, pool); + + if (irq & BIT_ULL(NPA_POOL_ERR_INT_OVFLS)) + otx2_err("Pool=%d NPA_POOL_ERR_INT_OVFLS", pool); + + if (irq & BIT_ULL(NPA_POOL_ERR_INT_RANGE)) + otx2_err("Pool=%d NPA_POOL_ERR_INT_RANGE", pool); + + if (irq & BIT_ULL(NPA_POOL_ERR_INT_PERR)) + otx2_err("Pool=%d NPA_POOL_ERR_INT_PERR", pool); + } + + /* Handle aura queue interrupts */ + for (q = 0; q < lf->nr_pools; q++) { + + /* Skip disabled AURA */ + if (rte_bitmap_get(lf->npa_bmp, q)) + continue; + + aura = q % lf->qints; + irq = npa_lf_aura_irq_get_and_clear(lf, aura); + + if (irq & BIT_ULL(NPA_AURA_ERR_INT_AURA_ADD_OVER)) + otx2_err("Aura=%d NPA_AURA_ERR_INT_ADD_OVER", aura); + + if (irq & BIT_ULL(NPA_AURA_ERR_INT_AURA_ADD_UNDER)) + otx2_err("Aura=%d NPA_AURA_ERR_INT_ADD_UNDER", aura); + + if (irq & BIT_ULL(NPA_AURA_ERR_INT_AURA_FREE_UNDER)) + otx2_err("Aura=%d NPA_AURA_ERR_INT_FREE_UNDER", aura); + + if (irq & BIT_ULL(NPA_AURA_ERR_INT_POOL_DIS)) + otx2_err("Aura=%d NPA_AURA_ERR_POOL_DIS", aura); + } + + /* Clear interrupt */ + otx2_write64(intr, lf->base + NPA_LF_QINTX_INT(qintx)); +} + +static int +npa_lf_register_queue_irqs(struct otx2_npa_lf *lf) +{ + struct rte_intr_handle *handle = lf->intr_handle; + int vec, q, qs, rc = 0; + + /* Figure out max qintx required */ + qs = RTE_MIN(lf->qints, lf->nr_pools); + + for (q = 0; q < qs; q++) { + vec = lf->npa_msixoff + NPA_LF_INT_VEC_QINT_START + q; + + /* Clear QINT CNT */ + otx2_write64(0, lf->base + NPA_LF_QINTX_CNT(q)); + + /* Clear interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_QINTX_ENA_W1C(q)); + + struct otx2_npa_qint *qintmem = lf->npa_qint_mem; + qintmem += q; + + qintmem->lf = lf; + qintmem->qintx = q; + + /* Sync qints_mem update */ + rte_smp_wmb(); + + /* Register queue irq vector */ + rc = otx2_register_irq(handle, npa_lf_q_irq, qintmem, vec); + if (rc) + break; + + otx2_write64(0, lf->base + NPA_LF_QINTX_CNT(q)); + otx2_write64(0, lf->base + NPA_LF_QINTX_INT(q)); + /* Enable QINT interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_QINTX_ENA_W1S(q)); + } + + return rc; +} + +static void +npa_lf_unregister_queue_irqs(struct otx2_npa_lf *lf) +{ + struct rte_intr_handle *handle = lf->intr_handle; + int vec, q, qs; + + /* Figure out max qintx required */ + qs = RTE_MIN(lf->qints, lf->nr_pools); + + for (q = 0; q < qs; q++) { + vec = lf->npa_msixoff + NPA_LF_INT_VEC_QINT_START + q; + + /* Clear QINT CNT */ + otx2_write64(0, lf->base + NPA_LF_QINTX_CNT(q)); + otx2_write64(0, lf->base + NPA_LF_QINTX_INT(q)); + + /* Clear interrupt */ + otx2_write64(~0ull, lf->base + NPA_LF_QINTX_ENA_W1C(q)); + + struct otx2_npa_qint *qintmem = lf->npa_qint_mem; + qintmem += q; + + /* Unregister queue irq vector */ + otx2_unregister_irq(handle, npa_lf_q_irq, qintmem, vec); + + qintmem->lf = NULL; + qintmem->qintx = 0; + } +} + +int +otx2_npa_register_irqs(struct otx2_npa_lf *lf) +{ + int rc; + + if (lf->npa_msixoff == MSIX_VECTOR_INVALID) { + otx2_err("Invalid NPALF MSIX vector offset vector: 0x%x", + lf->npa_msixoff); + return -EINVAL; + } + + /* Register lf err interrupt */ + rc = npa_lf_register_err_irq(lf); + /* Register RAS interrupt */ + rc |= npa_lf_register_ras_irq(lf); + /* Register queue interrupts */ + rc |= npa_lf_register_queue_irqs(lf); + + return rc; +} + +void +otx2_npa_unregister_irqs(struct otx2_npa_lf *lf) +{ + npa_lf_unregister_err_irq(lf); + npa_lf_unregister_ras_irq(lf); + npa_lf_unregister_queue_irqs(lf); +}