+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018-2021 NXP
- */
-
-#include <string.h>
-
-#include <rte_eal.h>
-#include <rte_fslmc.h>
-#include <rte_atomic.h>
-#include <rte_lcore.h>
-#include <rte_rawdev.h>
-#include <rte_rawdev_pmd.h>
-#include <rte_malloc.h>
-#include <rte_ring.h>
-#include <rte_mempool.h>
-#include <rte_prefetch.h>
-#include <rte_kvargs.h>
-
-#include <mc/fsl_dpdmai.h>
-#include <portal/dpaa2_hw_pvt.h>
-#include <portal/dpaa2_hw_dpio.h>
-
-#include "rte_pmd_dpaa2_qdma.h"
-#include "dpaa2_qdma.h"
-#include "dpaa2_qdma_logs.h"
-
-#define DPAA2_QDMA_NO_PREFETCH "no_prefetch"
-
-/* Dynamic log type identifier */
-int dpaa2_qdma_logtype;
-
-uint32_t dpaa2_coherent_no_alloc_cache;
-uint32_t dpaa2_coherent_alloc_cache;
-
-/* QDMA device */
-static struct qdma_device q_dev;
-
-/* QDMA H/W queues list */
-TAILQ_HEAD(qdma_hw_queue_list, qdma_hw_queue);
-static struct qdma_hw_queue_list qdma_queue_list
- = TAILQ_HEAD_INITIALIZER(qdma_queue_list);
-
-/* QDMA per core data */
-static struct qdma_per_core_info qdma_core_info[RTE_MAX_LCORE];
-
-static inline int
-qdma_populate_fd_pci(phys_addr_t src, phys_addr_t dest,
- uint32_t len, struct qbman_fd *fd,
- struct rte_qdma_rbp *rbp, int ser)
-{
- fd->simple_pci.saddr_lo = lower_32_bits((uint64_t) (src));
- fd->simple_pci.saddr_hi = upper_32_bits((uint64_t) (src));
-
- fd->simple_pci.len_sl = len;
-
- fd->simple_pci.bmt = 1;
- fd->simple_pci.fmt = 3;
- fd->simple_pci.sl = 1;
- fd->simple_pci.ser = ser;
-
- fd->simple_pci.sportid = rbp->sportid; /*pcie 3 */
- fd->simple_pci.srbp = rbp->srbp;
- if (rbp->srbp)
- fd->simple_pci.rdttype = 0;
- else
- fd->simple_pci.rdttype = dpaa2_coherent_alloc_cache;
-
- /*dest is pcie memory */
- fd->simple_pci.dportid = rbp->dportid; /*pcie 3 */
- fd->simple_pci.drbp = rbp->drbp;
- if (rbp->drbp)
- fd->simple_pci.wrttype = 0;
- else
- fd->simple_pci.wrttype = dpaa2_coherent_no_alloc_cache;
-
- fd->simple_pci.daddr_lo = lower_32_bits((uint64_t) (dest));
- fd->simple_pci.daddr_hi = upper_32_bits((uint64_t) (dest));
-
- return 0;
-}
-
-static inline int
-qdma_populate_fd_ddr(phys_addr_t src, phys_addr_t dest,
- uint32_t len, struct qbman_fd *fd, int ser)
-{
- fd->simple_ddr.saddr_lo = lower_32_bits((uint64_t) (src));
- fd->simple_ddr.saddr_hi = upper_32_bits((uint64_t) (src));
-
- fd->simple_ddr.len = len;
-
- fd->simple_ddr.bmt = 1;
- fd->simple_ddr.fmt = 3;
- fd->simple_ddr.sl = 1;
- fd->simple_ddr.ser = ser;
- /**
- * src If RBP=0 {NS,RDTTYPE[3:0]}: 0_1011
- * Coherent copy of cacheable memory,
- * lookup in downstream cache, no allocate
- * on miss
- */
- fd->simple_ddr.rns = 0;
- fd->simple_ddr.rdttype = dpaa2_coherent_alloc_cache;
- /**
- * dest If RBP=0 {NS,WRTTYPE[3:0]}: 0_0111
- * Coherent write of cacheable memory,
- * lookup in downstream cache, no allocate on miss
- */
- fd->simple_ddr.wns = 0;
- fd->simple_ddr.wrttype = dpaa2_coherent_no_alloc_cache;
-
- fd->simple_ddr.daddr_lo = lower_32_bits((uint64_t) (dest));
- fd->simple_ddr.daddr_hi = upper_32_bits((uint64_t) (dest));
-
- return 0;
-}
-
-static void
-dpaa2_qdma_populate_fle(struct qbman_fle *fle,
- uint64_t fle_iova,
- struct rte_qdma_rbp *rbp,
- uint64_t src, uint64_t dest,
- size_t len, uint32_t flags, uint32_t fmt)
-{
- struct qdma_sdd *sdd;
- uint64_t sdd_iova;
-
- sdd = (struct qdma_sdd *)
- ((uintptr_t)(uint64_t)fle - QDMA_FLE_FLE_OFFSET +
- QDMA_FLE_SDD_OFFSET);
- sdd_iova = fle_iova - QDMA_FLE_FLE_OFFSET + QDMA_FLE_SDD_OFFSET;
-
- /* first frame list to source descriptor */
- DPAA2_SET_FLE_ADDR(fle, sdd_iova);
- DPAA2_SET_FLE_LEN(fle, (2 * (sizeof(struct qdma_sdd))));
-
- /* source and destination descriptor */
- if (rbp && rbp->enable) {
- /* source */
- sdd->read_cmd.portid = rbp->sportid;
- sdd->rbpcmd_simple.pfid = rbp->spfid;
- sdd->rbpcmd_simple.vfid = rbp->svfid;
-
- if (rbp->srbp) {
- sdd->read_cmd.rbp = rbp->srbp;
- sdd->read_cmd.rdtype = DPAA2_RBP_MEM_RW;
- } else {
- sdd->read_cmd.rdtype = dpaa2_coherent_no_alloc_cache;
- }
- sdd++;
- /* destination */
- sdd->write_cmd.portid = rbp->dportid;
- sdd->rbpcmd_simple.pfid = rbp->dpfid;
- sdd->rbpcmd_simple.vfid = rbp->dvfid;
-
- if (rbp->drbp) {
- sdd->write_cmd.rbp = rbp->drbp;
- sdd->write_cmd.wrttype = DPAA2_RBP_MEM_RW;
- } else {
- sdd->write_cmd.wrttype = dpaa2_coherent_alloc_cache;
- }
-
- } else {
- sdd->read_cmd.rdtype = dpaa2_coherent_no_alloc_cache;
- sdd++;
- sdd->write_cmd.wrttype = dpaa2_coherent_alloc_cache;
- }
- fle++;
- /* source frame list to source buffer */
- if (flags & RTE_QDMA_JOB_SRC_PHY) {
- DPAA2_SET_FLE_ADDR(fle, src);
-#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
- DPAA2_SET_FLE_BMT(fle);
-#endif
- } else {
- DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(src));
- }
- fle->word4.fmt = fmt;
- DPAA2_SET_FLE_LEN(fle, len);
-
- fle++;
- /* destination frame list to destination buffer */
- if (flags & RTE_QDMA_JOB_DEST_PHY) {
-#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
- DPAA2_SET_FLE_BMT(fle);
-#endif
- DPAA2_SET_FLE_ADDR(fle, dest);
- } else {
- DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(dest));
- }
- fle->word4.fmt = fmt;
- DPAA2_SET_FLE_LEN(fle, len);
-
- /* Final bit: 1, for last frame list */
- DPAA2_SET_FLE_FIN(fle);
-}
-
-static inline int dpdmai_dev_set_fd_us(
- struct qdma_virt_queue *qdma_vq,
- struct qbman_fd *fd,
- struct rte_qdma_job **job,
- uint16_t nb_jobs)
-{
- struct rte_qdma_rbp *rbp = &qdma_vq->rbp;
- struct rte_qdma_job **ppjob;
- size_t iova;
- int ret = 0, loop;
- int ser = (qdma_vq->flags & RTE_QDMA_VQ_NO_RESPONSE) ?
- 0 : 1;
-
- for (loop = 0; loop < nb_jobs; loop++) {
- if (job[loop]->src & QDMA_RBP_UPPER_ADDRESS_MASK)
- iova = (size_t)job[loop]->dest;
- else
- iova = (size_t)job[loop]->src;
-
- /* Set the metadata */
- job[loop]->vq_id = qdma_vq->vq_id;
- ppjob = (struct rte_qdma_job **)DPAA2_IOVA_TO_VADDR(iova) - 1;
- *ppjob = job[loop];
-
- if ((rbp->drbp == 1) || (rbp->srbp == 1))
- ret = qdma_populate_fd_pci((phys_addr_t)job[loop]->src,
- (phys_addr_t)job[loop]->dest,
- job[loop]->len, &fd[loop], rbp, ser);
- else
- ret = qdma_populate_fd_ddr((phys_addr_t)job[loop]->src,
- (phys_addr_t)job[loop]->dest,
- job[loop]->len, &fd[loop], ser);
- }
-
- return ret;
-}
-
-static uint32_t qdma_populate_sg_entry(
- struct rte_qdma_job **jobs,
- struct qdma_sg_entry *src_sge,
- struct qdma_sg_entry *dst_sge,
- uint16_t nb_jobs)
-{
- uint16_t i;
- uint32_t total_len = 0;
- uint64_t iova;
-
- for (i = 0; i < nb_jobs; i++) {
- /* source SG */
- if (likely(jobs[i]->flags & RTE_QDMA_JOB_SRC_PHY)) {
- src_sge->addr_lo = (uint32_t)jobs[i]->src;
- src_sge->addr_hi = (jobs[i]->src >> 32);
- } else {
- iova = DPAA2_VADDR_TO_IOVA(jobs[i]->src);
- src_sge->addr_lo = (uint32_t)iova;
- src_sge->addr_hi = iova >> 32;
- }
- src_sge->data_len.data_len_sl0 = jobs[i]->len;
- src_sge->ctrl.sl = QDMA_SG_SL_LONG;
- src_sge->ctrl.fmt = QDMA_SG_FMT_SDB;
-#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
- src_sge->ctrl.bmt = QDMA_SG_BMT_ENABLE;
-#else
- src_sge->ctrl.bmt = QDMA_SG_BMT_DISABLE;
-#endif
- /* destination SG */
- if (likely(jobs[i]->flags & RTE_QDMA_JOB_DEST_PHY)) {
- dst_sge->addr_lo = (uint32_t)jobs[i]->dest;
- dst_sge->addr_hi = (jobs[i]->dest >> 32);
- } else {
- iova = DPAA2_VADDR_TO_IOVA(jobs[i]->dest);
- dst_sge->addr_lo = (uint32_t)iova;
- dst_sge->addr_hi = iova >> 32;
- }
- dst_sge->data_len.data_len_sl0 = jobs[i]->len;
- dst_sge->ctrl.sl = QDMA_SG_SL_LONG;
- dst_sge->ctrl.fmt = QDMA_SG_FMT_SDB;
-#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
- dst_sge->ctrl.bmt = QDMA_SG_BMT_ENABLE;
-#else
- dst_sge->ctrl.bmt = QDMA_SG_BMT_DISABLE;
-#endif
- total_len += jobs[i]->len;
-
- if (i == (nb_jobs - 1)) {
- src_sge->ctrl.f = QDMA_SG_F;
- dst_sge->ctrl.f = QDMA_SG_F;
- } else {
- src_sge->ctrl.f = 0;
- dst_sge->ctrl.f = 0;
- }
- src_sge++;
- dst_sge++;
- }
-
- return total_len;
-}
-
-static inline int dpdmai_dev_set_multi_fd_lf_no_rsp(
- struct qdma_virt_queue *qdma_vq,
- struct qbman_fd *fd,
- struct rte_qdma_job **job,
- uint16_t nb_jobs)
-{
- struct rte_qdma_rbp *rbp = &qdma_vq->rbp;
- struct rte_qdma_job **ppjob;
- uint16_t i;
- void *elem;
- struct qbman_fle *fle;
- uint64_t elem_iova, fle_iova;
-
- for (i = 0; i < nb_jobs; i++) {
- elem = job[i]->usr_elem;
-#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
- elem_iova = rte_mempool_virt2iova(elem);
-#else
- elem_iova = DPAA2_VADDR_TO_IOVA(elem);
-#endif
-
- ppjob = (struct rte_qdma_job **)
- ((uintptr_t)(uint64_t)elem +
- QDMA_FLE_SINGLE_JOB_OFFSET);
- *ppjob = job[i];
-
- job[i]->vq_id = qdma_vq->vq_id;
-
- fle = (struct qbman_fle *)
- ((uintptr_t)(uint64_t)elem + QDMA_FLE_FLE_OFFSET);
- fle_iova = elem_iova + QDMA_FLE_FLE_OFFSET;
-
- DPAA2_SET_FD_ADDR(&fd[i], fle_iova);
- DPAA2_SET_FD_COMPOUND_FMT(&fd[i]);
-
- memset(fle, 0, DPAA2_QDMA_MAX_FLE * sizeof(struct qbman_fle) +
- DPAA2_QDMA_MAX_SDD * sizeof(struct qdma_sdd));
-
- dpaa2_qdma_populate_fle(fle, fle_iova, rbp,
- job[i]->src, job[i]->dest, job[i]->len,
- job[i]->flags, QBMAN_FLE_WORD4_FMT_SBF);
- }
-
- return 0;
-}
-
-static inline int dpdmai_dev_set_multi_fd_lf(
- struct qdma_virt_queue *qdma_vq,
- struct qbman_fd *fd,
- struct rte_qdma_job **job,
- uint16_t nb_jobs)
-{
- struct rte_qdma_rbp *rbp = &qdma_vq->rbp;
- struct rte_qdma_job **ppjob;
- uint16_t i;
- int ret;
- void *elem[RTE_QDMA_BURST_NB_MAX];
- struct qbman_fle *fle;
- uint64_t elem_iova, fle_iova;
-
- ret = rte_mempool_get_bulk(qdma_vq->fle_pool, elem, nb_jobs);
- if (ret) {
- DPAA2_QDMA_DP_DEBUG("Memory alloc failed for FLE");
- return ret;
- }
-
- for (i = 0; i < nb_jobs; i++) {
-#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
- elem_iova = rte_mempool_virt2iova(elem[i]);
-#else
- elem_iova = DPAA2_VADDR_TO_IOVA(elem[i]);
-#endif
-
- ppjob = (struct rte_qdma_job **)
- ((uintptr_t)(uint64_t)elem[i] +
- QDMA_FLE_SINGLE_JOB_OFFSET);
- *ppjob = job[i];
-
- job[i]->vq_id = qdma_vq->vq_id;
-
- fle = (struct qbman_fle *)
- ((uintptr_t)(uint64_t)elem[i] + QDMA_FLE_FLE_OFFSET);
- fle_iova = elem_iova + QDMA_FLE_FLE_OFFSET;
-
- DPAA2_SET_FD_ADDR(&fd[i], fle_iova);
- DPAA2_SET_FD_COMPOUND_FMT(&fd[i]);
- DPAA2_SET_FD_FRC(&fd[i], QDMA_SER_CTX);
-
- memset(fle, 0, DPAA2_QDMA_MAX_FLE * sizeof(struct qbman_fle) +
- DPAA2_QDMA_MAX_SDD * sizeof(struct qdma_sdd));
-
- dpaa2_qdma_populate_fle(fle, fle_iova, rbp,
- job[i]->src, job[i]->dest, job[i]->len,
- job[i]->flags, QBMAN_FLE_WORD4_FMT_SBF);
- }
-
- return 0;
-}
-
-static inline int dpdmai_dev_set_sg_fd_lf(
- struct qdma_virt_queue *qdma_vq,
- struct qbman_fd *fd,
- struct rte_qdma_job **job,
- uint16_t nb_jobs)
-{
- struct rte_qdma_rbp *rbp = &qdma_vq->rbp;
- struct rte_qdma_job **ppjob;
- void *elem;
- struct qbman_fle *fle;
- uint64_t elem_iova, fle_iova, src, dst;
- int ret = 0, i;
- struct qdma_sg_entry *src_sge, *dst_sge;
- uint32_t len, fmt, flags;
-
- /*
- * Get an FLE/SDD from FLE pool.
- * Note: IO metadata is before the FLE and SDD memory.
- */
- if (qdma_vq->flags & RTE_QDMA_VQ_NO_RESPONSE) {
- elem = job[0]->usr_elem;
- } else {
- ret = rte_mempool_get(qdma_vq->fle_pool, &elem);
- if (ret) {
- DPAA2_QDMA_DP_DEBUG("Memory alloc failed for FLE");
- return ret;
- }
- }
-
-#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
- elem_iova = rte_mempool_virt2iova(elem);
-#else
- elem_iova = DPAA2_VADDR_TO_IOVA(elem);
-#endif
-
- /* Set the metadata */
- /* Save job context. */
- *((uint16_t *)
- ((uintptr_t)(uint64_t)elem + QDMA_FLE_JOB_NB_OFFSET)) = nb_jobs;
- ppjob = (struct rte_qdma_job **)
- ((uintptr_t)(uint64_t)elem + QDMA_FLE_SG_JOBS_OFFSET);
- for (i = 0; i < nb_jobs; i++)
- ppjob[i] = job[i];
-
- ppjob[0]->vq_id = qdma_vq->vq_id;
-
- fle = (struct qbman_fle *)
- ((uintptr_t)(uint64_t)elem + QDMA_FLE_FLE_OFFSET);
- fle_iova = elem_iova + QDMA_FLE_FLE_OFFSET;
-
- DPAA2_SET_FD_ADDR(fd, fle_iova);
- DPAA2_SET_FD_COMPOUND_FMT(fd);
- if (!(qdma_vq->flags & RTE_QDMA_VQ_NO_RESPONSE))
- DPAA2_SET_FD_FRC(fd, QDMA_SER_CTX);
-
- /* Populate FLE */
- if (likely(nb_jobs > 1)) {
- src_sge = (struct qdma_sg_entry *)
- ((uintptr_t)(uint64_t)elem + QDMA_FLE_SG_ENTRY_OFFSET);
- dst_sge = src_sge + DPAA2_QDMA_MAX_SG_NB;
- src = elem_iova + QDMA_FLE_SG_ENTRY_OFFSET;
- dst = src +
- DPAA2_QDMA_MAX_SG_NB * sizeof(struct qdma_sg_entry);
- len = qdma_populate_sg_entry(job, src_sge, dst_sge, nb_jobs);
- fmt = QBMAN_FLE_WORD4_FMT_SGE;
- flags = RTE_QDMA_JOB_SRC_PHY | RTE_QDMA_JOB_DEST_PHY;
- } else {
- src = job[0]->src;
- dst = job[0]->dest;
- len = job[0]->len;
- fmt = QBMAN_FLE_WORD4_FMT_SBF;
- flags = job[0]->flags;
- }
-
- memset(fle, 0, DPAA2_QDMA_MAX_FLE * sizeof(struct qbman_fle) +
- DPAA2_QDMA_MAX_SDD * sizeof(struct qdma_sdd));
-
- dpaa2_qdma_populate_fle(fle, fle_iova, rbp,
- src, dst, len, flags, fmt);
-
- return 0;
-}
-
-static inline uint16_t dpdmai_dev_get_job_us(
- struct qdma_virt_queue *qdma_vq __rte_unused,
- const struct qbman_fd *fd,
- struct rte_qdma_job **job, uint16_t *nb_jobs)
-{
- uint16_t vqid;
- size_t iova;
- struct rte_qdma_job **ppjob;
-
- if (fd->simple_pci.saddr_hi & (QDMA_RBP_UPPER_ADDRESS_MASK >> 32))
- iova = (size_t)(((uint64_t)fd->simple_pci.daddr_hi) << 32
- | (uint64_t)fd->simple_pci.daddr_lo);
- else
- iova = (size_t)(((uint64_t)fd->simple_pci.saddr_hi) << 32
- | (uint64_t)fd->simple_pci.saddr_lo);
-
- ppjob = (struct rte_qdma_job **)DPAA2_IOVA_TO_VADDR(iova) - 1;
- *job = (struct rte_qdma_job *)*ppjob;
- (*job)->status = (fd->simple_pci.acc_err << 8) |
- (fd->simple_pci.error);
- vqid = (*job)->vq_id;
- *nb_jobs = 1;
-
- return vqid;
-}
-
-static inline uint16_t dpdmai_dev_get_single_job_lf(
- struct qdma_virt_queue *qdma_vq,
- const struct qbman_fd *fd,
- struct rte_qdma_job **job,
- uint16_t *nb_jobs)
-{
- struct qbman_fle *fle;
- struct rte_qdma_job **ppjob = NULL;
- uint16_t status;
-
- /*
- * Fetch metadata from FLE. job and vq_id were set
- * in metadata in the enqueue operation.
- */
- fle = (struct qbman_fle *)
- DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd));
-
- *nb_jobs = 1;
- ppjob = (struct rte_qdma_job **)((uintptr_t)(uint64_t)fle -
- QDMA_FLE_FLE_OFFSET + QDMA_FLE_SINGLE_JOB_OFFSET);
-
- status = (DPAA2_GET_FD_ERR(fd) << 8) | (DPAA2_GET_FD_FRC(fd) & 0xFF);
-
- *job = *ppjob;
- (*job)->status = status;
-
- /* Free FLE to the pool */
- rte_mempool_put(qdma_vq->fle_pool,
- (void *)
- ((uintptr_t)(uint64_t)fle - QDMA_FLE_FLE_OFFSET));
-
- return (*job)->vq_id;
-}
-
-static inline uint16_t dpdmai_dev_get_sg_job_lf(
- struct qdma_virt_queue *qdma_vq,
- const struct qbman_fd *fd,
- struct rte_qdma_job **job,
- uint16_t *nb_jobs)
-{
- struct qbman_fle *fle;
- struct rte_qdma_job **ppjob = NULL;
- uint16_t i, status;
-
- /*
- * Fetch metadata from FLE. job and vq_id were set
- * in metadata in the enqueue operation.
- */
- fle = (struct qbman_fle *)
- DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd));
- *nb_jobs = *((uint16_t *)((uintptr_t)(uint64_t)fle -
- QDMA_FLE_FLE_OFFSET + QDMA_FLE_JOB_NB_OFFSET));
- ppjob = (struct rte_qdma_job **)((uintptr_t)(uint64_t)fle -
- QDMA_FLE_FLE_OFFSET + QDMA_FLE_SG_JOBS_OFFSET);
- status = (DPAA2_GET_FD_ERR(fd) << 8) | (DPAA2_GET_FD_FRC(fd) & 0xFF);
-
- for (i = 0; i < (*nb_jobs); i++) {
- job[i] = ppjob[i];
- job[i]->status = status;
- }
-
- /* Free FLE to the pool */
- rte_mempool_put(qdma_vq->fle_pool,
- (void *)
- ((uintptr_t)(uint64_t)fle - QDMA_FLE_FLE_OFFSET));
-
- return job[0]->vq_id;
-}
-
-/* Function to receive a QDMA job for a given device and queue*/
-static int
-dpdmai_dev_dequeue_multijob_prefetch(
- struct qdma_virt_queue *qdma_vq,
- uint16_t *vq_id,
- struct rte_qdma_job **job,
- uint16_t nb_jobs)
-{
- struct qdma_hw_queue *qdma_pq = qdma_vq->hw_queue;
- struct dpaa2_dpdmai_dev *dpdmai_dev = qdma_pq->dpdmai_dev;
- uint16_t rxq_id = qdma_pq->queue_id;
-
- struct dpaa2_queue *rxq;
- struct qbman_result *dq_storage, *dq_storage1 = NULL;
- struct qbman_pull_desc pulldesc;
- struct qbman_swp *swp;
- struct queue_storage_info_t *q_storage;
- uint32_t fqid;
- uint8_t status, pending;
- uint8_t num_rx = 0;
- const struct qbman_fd *fd;
- uint16_t vqid, num_rx_ret;
- int ret, pull_size;
-
- if (qdma_vq->flags & RTE_QDMA_VQ_FD_SG_FORMAT) {
- /** Make sure there are enough space to get jobs.*/
- if (unlikely(nb_jobs < DPAA2_QDMA_MAX_SG_NB))
- return -EINVAL;
- nb_jobs = 1;
- }
-
- if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
- ret = dpaa2_affine_qbman_swp();
- if (ret) {
- DPAA2_QDMA_ERR(
- "Failed to allocate IO portal, tid: %d\n",
- rte_gettid());
- return 0;
- }
- }
- swp = DPAA2_PER_LCORE_PORTAL;
-
- pull_size = (nb_jobs > dpaa2_dqrr_size) ? dpaa2_dqrr_size : nb_jobs;
- rxq = &(dpdmai_dev->rx_queue[rxq_id]);
- fqid = rxq->fqid;
- q_storage = rxq->q_storage;
-
- if (unlikely(!q_storage->active_dqs)) {
- q_storage->toggle = 0;
- dq_storage = q_storage->dq_storage[q_storage->toggle];
- q_storage->last_num_pkts = pull_size;
- qbman_pull_desc_clear(&pulldesc);
- qbman_pull_desc_set_numframes(&pulldesc,
- q_storage->last_num_pkts);
- qbman_pull_desc_set_fq(&pulldesc, fqid);
- qbman_pull_desc_set_storage(&pulldesc, dq_storage,
- (size_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
- if (check_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index)) {
- while (!qbman_check_command_complete(
- get_swp_active_dqs(
- DPAA2_PER_LCORE_DPIO->index)))
- ;
- clear_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index);
- }
- while (1) {
- if (qbman_swp_pull(swp, &pulldesc)) {
- DPAA2_QDMA_DP_WARN(
- "VDQ command not issued.QBMAN busy\n");
- /* Portal was busy, try again */
- continue;
- }
- break;
- }
- q_storage->active_dqs = dq_storage;
- q_storage->active_dpio_id = DPAA2_PER_LCORE_DPIO->index;
- set_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index,
- dq_storage);
- }
-
- dq_storage = q_storage->active_dqs;
- rte_prefetch0((void *)(size_t)(dq_storage));
- rte_prefetch0((void *)(size_t)(dq_storage + 1));
-
- /* Prepare next pull descriptor. This will give space for the
- * prefetching done on DQRR entries
- */
- q_storage->toggle ^= 1;
- dq_storage1 = q_storage->dq_storage[q_storage->toggle];
- qbman_pull_desc_clear(&pulldesc);
- qbman_pull_desc_set_numframes(&pulldesc, pull_size);
- qbman_pull_desc_set_fq(&pulldesc, fqid);
- qbman_pull_desc_set_storage(&pulldesc, dq_storage1,
- (size_t)(DPAA2_VADDR_TO_IOVA(dq_storage1)), 1);
-
- /* Check if the previous issued command is completed.
- * Also seems like the SWP is shared between the Ethernet Driver
- * and the SEC driver.
- */
- while (!qbman_check_command_complete(dq_storage))
- ;
- if (dq_storage == get_swp_active_dqs(q_storage->active_dpio_id))
- clear_swp_active_dqs(q_storage->active_dpio_id);
-
- pending = 1;
-
- do {
- /* Loop until the dq_storage is updated with
- * new token by QBMAN
- */
- while (!qbman_check_new_result(dq_storage))
- ;
- rte_prefetch0((void *)((size_t)(dq_storage + 2)));
- /* Check whether Last Pull command is Expired and
- * setting Condition for Loop termination
- */
- if (qbman_result_DQ_is_pull_complete(dq_storage)) {
- pending = 0;
- /* Check for valid frame. */
- status = qbman_result_DQ_flags(dq_storage);
- if (unlikely((status & QBMAN_DQ_STAT_VALIDFRAME) == 0))
- continue;
- }
- fd = qbman_result_DQ_fd(dq_storage);
-
- vqid = qdma_vq->get_job(qdma_vq, fd, &job[num_rx],
- &num_rx_ret);
- if (vq_id)
- vq_id[num_rx] = vqid;
-
- dq_storage++;
- num_rx += num_rx_ret;
- } while (pending);
-
- if (check_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index)) {
- while (!qbman_check_command_complete(
- get_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index)))
- ;
- clear_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index);
- }
- /* issue a volatile dequeue command for next pull */
- while (1) {
- if (qbman_swp_pull(swp, &pulldesc)) {
- DPAA2_QDMA_DP_WARN(
- "VDQ command is not issued. QBMAN is busy (2)\n");
- continue;
- }
- break;
- }
-
- q_storage->active_dqs = dq_storage1;
- q_storage->active_dpio_id = DPAA2_PER_LCORE_DPIO->index;
- set_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index, dq_storage1);
-
- return num_rx;
-}
-
-static int
-dpdmai_dev_dequeue_multijob_no_prefetch(
- struct qdma_virt_queue *qdma_vq,
- uint16_t *vq_id,
- struct rte_qdma_job **job,
- uint16_t nb_jobs)
-{
- struct qdma_hw_queue *qdma_pq = qdma_vq->hw_queue;
- struct dpaa2_dpdmai_dev *dpdmai_dev = qdma_pq->dpdmai_dev;
- uint16_t rxq_id = qdma_pq->queue_id;
-
- struct dpaa2_queue *rxq;
- struct qbman_result *dq_storage;
- struct qbman_pull_desc pulldesc;
- struct qbman_swp *swp;
- uint32_t fqid;
- uint8_t status, pending;
- uint8_t num_rx = 0;
- const struct qbman_fd *fd;
- uint16_t vqid, num_rx_ret;
- int ret, next_pull, num_pulled = 0;
-
- if (qdma_vq->flags & RTE_QDMA_VQ_FD_SG_FORMAT) {
- /** Make sure there are enough space to get jobs.*/
- if (unlikely(nb_jobs < DPAA2_QDMA_MAX_SG_NB))
- return -EINVAL;
- nb_jobs = 1;
- }
-
- next_pull = nb_jobs;
-
- if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
- ret = dpaa2_affine_qbman_swp();
- if (ret) {
- DPAA2_QDMA_ERR(
- "Failed to allocate IO portal, tid: %d\n",
- rte_gettid());
- return 0;
- }
- }
- swp = DPAA2_PER_LCORE_PORTAL;
-
- rxq = &(dpdmai_dev->rx_queue[rxq_id]);
- fqid = rxq->fqid;
-
- do {
- dq_storage = rxq->q_storage->dq_storage[0];
- /* Prepare dequeue descriptor */
- qbman_pull_desc_clear(&pulldesc);
- qbman_pull_desc_set_fq(&pulldesc, fqid);
- qbman_pull_desc_set_storage(&pulldesc, dq_storage,
- (uint64_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
-
- if (next_pull > dpaa2_dqrr_size) {
- qbman_pull_desc_set_numframes(&pulldesc,
- dpaa2_dqrr_size);
- next_pull -= dpaa2_dqrr_size;
- } else {
- qbman_pull_desc_set_numframes(&pulldesc, next_pull);
- next_pull = 0;
- }
-
- while (1) {
- if (qbman_swp_pull(swp, &pulldesc)) {
- DPAA2_QDMA_DP_WARN(
- "VDQ command not issued. QBMAN busy");
- /* Portal was busy, try again */
- continue;
- }
- break;
- }
-
- rte_prefetch0((void *)((size_t)(dq_storage + 1)));
- /* Check if the previous issued command is completed. */
- while (!qbman_check_command_complete(dq_storage))
- ;
-
- num_pulled = 0;
- pending = 1;
-
- do {
- /* Loop until dq_storage is updated
- * with new token by QBMAN
- */
- while (!qbman_check_new_result(dq_storage))
- ;
- rte_prefetch0((void *)((size_t)(dq_storage + 2)));
-
- if (qbman_result_DQ_is_pull_complete(dq_storage)) {
- pending = 0;
- /* Check for valid frame. */
- status = qbman_result_DQ_flags(dq_storage);
- if (unlikely((status &
- QBMAN_DQ_STAT_VALIDFRAME) == 0))
- continue;
- }
- fd = qbman_result_DQ_fd(dq_storage);
-
- vqid = qdma_vq->get_job(qdma_vq, fd,
- &job[num_rx], &num_rx_ret);
- if (vq_id)
- vq_id[num_rx] = vqid;
-
- dq_storage++;
- num_rx += num_rx_ret;
- num_pulled++;
-
- } while (pending);
- /* Last VDQ provided all packets and more packets are requested */
- } while (next_pull && num_pulled == dpaa2_dqrr_size);
-
- return num_rx;
-}
-
-static int
-dpdmai_dev_enqueue_multi(
- struct qdma_virt_queue *qdma_vq,
- struct rte_qdma_job **job,
- uint16_t nb_jobs)
-{
- struct qdma_hw_queue *qdma_pq = qdma_vq->hw_queue;
- struct dpaa2_dpdmai_dev *dpdmai_dev = qdma_pq->dpdmai_dev;
- uint16_t txq_id = qdma_pq->queue_id;
-
- struct qbman_fd fd[RTE_QDMA_BURST_NB_MAX];
- struct dpaa2_queue *txq;
- struct qbman_eq_desc eqdesc;
- struct qbman_swp *swp;
- int ret;
- uint32_t num_to_send = 0;
- uint16_t num_tx = 0;
- uint32_t enqueue_loop, retry_count, loop;
-
- if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
- ret = dpaa2_affine_qbman_swp();
- if (ret) {
- DPAA2_QDMA_ERR(
- "Failed to allocate IO portal, tid: %d\n",
- rte_gettid());
- return 0;
- }
- }
- swp = DPAA2_PER_LCORE_PORTAL;
-
- txq = &(dpdmai_dev->tx_queue[txq_id]);
-
- /* Prepare enqueue descriptor */
- qbman_eq_desc_clear(&eqdesc);
- qbman_eq_desc_set_fq(&eqdesc, txq->fqid);
- qbman_eq_desc_set_no_orp(&eqdesc, 0);
- qbman_eq_desc_set_response(&eqdesc, 0, 0);
-
- if (qdma_vq->flags & RTE_QDMA_VQ_FD_SG_FORMAT) {
- uint16_t fd_nb;
- uint16_t sg_entry_nb = nb_jobs > DPAA2_QDMA_MAX_SG_NB ?
- DPAA2_QDMA_MAX_SG_NB : nb_jobs;
- uint16_t job_idx = 0;
- uint16_t fd_sg_nb[8];
- uint16_t nb_jobs_ret = 0;
-
- if (nb_jobs % DPAA2_QDMA_MAX_SG_NB)
- fd_nb = nb_jobs / DPAA2_QDMA_MAX_SG_NB + 1;
- else
- fd_nb = nb_jobs / DPAA2_QDMA_MAX_SG_NB;
-
- memset(&fd[0], 0, sizeof(struct qbman_fd) * fd_nb);
-
- for (loop = 0; loop < fd_nb; loop++) {
- ret = qdma_vq->set_fd(qdma_vq, &fd[loop], &job[job_idx],
- sg_entry_nb);
- if (unlikely(ret < 0))
- return 0;
- fd_sg_nb[loop] = sg_entry_nb;
- nb_jobs -= sg_entry_nb;
- job_idx += sg_entry_nb;
- sg_entry_nb = nb_jobs > DPAA2_QDMA_MAX_SG_NB ?
- DPAA2_QDMA_MAX_SG_NB : nb_jobs;
- }
-
- /* Enqueue the packet to the QBMAN */
- enqueue_loop = 0; retry_count = 0;
-
- while (enqueue_loop < fd_nb) {
- ret = qbman_swp_enqueue_multiple(swp,
- &eqdesc, &fd[enqueue_loop],
- NULL, fd_nb - enqueue_loop);
- if (unlikely(ret < 0)) {
- retry_count++;
- if (retry_count > DPAA2_MAX_TX_RETRY_COUNT)
- return nb_jobs_ret;
- } else {
- for (loop = 0; loop < (uint32_t)ret; loop++)
- nb_jobs_ret +=
- fd_sg_nb[enqueue_loop + loop];
- enqueue_loop += ret;
- retry_count = 0;
- }
- }
-
- return nb_jobs_ret;
- }
-
- memset(fd, 0, nb_jobs * sizeof(struct qbman_fd));
-
- while (nb_jobs > 0) {
- num_to_send = (nb_jobs > dpaa2_eqcr_size) ?
- dpaa2_eqcr_size : nb_jobs;
-
- ret = qdma_vq->set_fd(qdma_vq, &fd[num_tx],
- &job[num_tx], num_to_send);
- if (unlikely(ret < 0))
- break;
-
- /* Enqueue the packet to the QBMAN */
- enqueue_loop = 0; retry_count = 0;
- loop = num_to_send;
-
- while (enqueue_loop < loop) {
- ret = qbman_swp_enqueue_multiple(swp,
- &eqdesc,
- &fd[num_tx + enqueue_loop],
- NULL,
- loop - enqueue_loop);
- if (unlikely(ret < 0)) {
- retry_count++;
- if (retry_count > DPAA2_MAX_TX_RETRY_COUNT)
- return num_tx;
- } else {
- enqueue_loop += ret;
- retry_count = 0;
- }
- }
- num_tx += num_to_send;
- nb_jobs -= loop;
- }
- return num_tx;
-}
-
-static struct qdma_hw_queue *
-alloc_hw_queue(uint32_t lcore_id)
-{
- struct qdma_hw_queue *queue = NULL;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- /* Get a free queue from the list */
- TAILQ_FOREACH(queue, &qdma_queue_list, next) {
- if (queue->num_users == 0) {
- queue->lcore_id = lcore_id;
- queue->num_users++;
- break;
- }
- }
-
- return queue;
-}
-
-static void
-free_hw_queue(struct qdma_hw_queue *queue)
-{
- DPAA2_QDMA_FUNC_TRACE();
-
- queue->num_users--;
-}
-
-
-static struct qdma_hw_queue *
-get_hw_queue(struct qdma_device *qdma_dev, uint32_t lcore_id)
-{
- struct qdma_per_core_info *core_info;
- struct qdma_hw_queue *queue, *temp;
- uint32_t least_num_users;
- int num_hw_queues, i;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- core_info = &qdma_core_info[lcore_id];
- num_hw_queues = core_info->num_hw_queues;
-
- /*
- * Allocate a HW queue if there are less queues
- * than maximum per core queues configured
- */
- if (num_hw_queues < qdma_dev->max_hw_queues_per_core) {
- queue = alloc_hw_queue(lcore_id);
- if (queue) {
- core_info->hw_queues[num_hw_queues] = queue;
- core_info->num_hw_queues++;
- return queue;
- }
- }
-
- queue = core_info->hw_queues[0];
- /* In case there is no queue associated with the core return NULL */
- if (!queue)
- return NULL;
-
- /* Fetch the least loaded H/W queue */
- least_num_users = core_info->hw_queues[0]->num_users;
- for (i = 0; i < num_hw_queues; i++) {
- temp = core_info->hw_queues[i];
- if (temp->num_users < least_num_users)
- queue = temp;
- }
-
- if (queue)
- queue->num_users++;
-
- return queue;
-}
-
-static void
-put_hw_queue(struct qdma_hw_queue *queue)
-{
- struct qdma_per_core_info *core_info;
- int lcore_id, num_hw_queues, i;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- /*
- * If this is the last user of the queue free it.
- * Also remove it from QDMA core info.
- */
- if (queue->num_users == 1) {
- free_hw_queue(queue);
-
- /* Remove the physical queue from core info */
- lcore_id = queue->lcore_id;
- core_info = &qdma_core_info[lcore_id];
- num_hw_queues = core_info->num_hw_queues;
- for (i = 0; i < num_hw_queues; i++) {
- if (queue == core_info->hw_queues[i])
- break;
- }
- for (; i < num_hw_queues - 1; i++)
- core_info->hw_queues[i] = core_info->hw_queues[i + 1];
- core_info->hw_queues[i] = NULL;
- } else {
- queue->num_users--;
- }
-}
-
-static int
-dpaa2_qdma_attr_get(struct rte_rawdev *rawdev,
- __rte_unused const char *attr_name,
- uint64_t *attr_value)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
- struct rte_qdma_attr *qdma_attr = (struct rte_qdma_attr *)attr_value;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- qdma_attr->num_hw_queues = qdma_dev->num_hw_queues;
-
- return 0;
-}
-
-static int
-dpaa2_qdma_reset(struct rte_rawdev *rawdev)
-{
- struct qdma_hw_queue *queue;
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
- int i;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- /* In case QDMA device is not in stopped state, return -EBUSY */
- if (qdma_dev->state == 1) {
- DPAA2_QDMA_ERR(
- "Device is in running state. Stop before reset.");
- return -EBUSY;
- }
-
- /* In case there are pending jobs on any VQ, return -EBUSY */
- for (i = 0; i < qdma_dev->max_vqs; i++) {
- if (qdma_dev->vqs[i].in_use && (qdma_dev->vqs[i].num_enqueues !=
- qdma_dev->vqs[i].num_dequeues)) {
- DPAA2_QDMA_ERR("Jobs are still pending on VQ: %d", i);
- return -EBUSY;
- }
- }
-
- /* Reset HW queues */
- TAILQ_FOREACH(queue, &qdma_queue_list, next)
- queue->num_users = 0;
-
- /* Reset and free virtual queues */
- for (i = 0; i < qdma_dev->max_vqs; i++) {
- rte_ring_free(qdma_dev->vqs[i].status_ring);
- }
- rte_free(qdma_dev->vqs);
- qdma_dev->vqs = NULL;
-
- /* Reset per core info */
- memset(&qdma_core_info, 0,
- sizeof(struct qdma_per_core_info) * RTE_MAX_LCORE);
-
- /* Reset QDMA device structure */
- qdma_dev->max_hw_queues_per_core = 0;
- qdma_dev->fle_queue_pool_cnt = 0;
- qdma_dev->max_vqs = 0;
-
- return 0;
-}
-
-static int
-dpaa2_qdma_configure(const struct rte_rawdev *rawdev,
- rte_rawdev_obj_t config,
- size_t config_size)
-{
- char name[32]; /* RTE_MEMZONE_NAMESIZE = 32 */
- struct rte_qdma_config *qdma_config = (struct rte_qdma_config *)config;
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- if (config_size != sizeof(*qdma_config)) {
- DPAA2_QDMA_ERR("Config size mismatch. Expected %" PRIu64
- ", Got: %" PRIu64, (uint64_t)(sizeof(*qdma_config)),
- (uint64_t)config_size);
- return -EINVAL;
- }
-
- /* In case QDMA device is not in stopped state, return -EBUSY */
- if (qdma_dev->state == 1) {
- DPAA2_QDMA_ERR(
- "Device is in running state. Stop before config.");
- return -1;
- }
-
- /* Set max HW queue per core */
- if (qdma_config->max_hw_queues_per_core > MAX_HW_QUEUE_PER_CORE) {
- DPAA2_QDMA_ERR("H/W queues per core is more than: %d",
- MAX_HW_QUEUE_PER_CORE);
- return -EINVAL;
- }
- qdma_dev->max_hw_queues_per_core =
- qdma_config->max_hw_queues_per_core;
-
- /* Allocate Virtual Queues */
- sprintf(name, "qdma_%d_vq", rawdev->dev_id);
- qdma_dev->vqs = rte_malloc(name,
- (sizeof(struct qdma_virt_queue) * qdma_config->max_vqs),
- RTE_CACHE_LINE_SIZE);
- if (!qdma_dev->vqs) {
- DPAA2_QDMA_ERR("qdma_virtual_queues allocation failed");
- return -ENOMEM;
- }
- qdma_dev->max_vqs = qdma_config->max_vqs;
- qdma_dev->fle_queue_pool_cnt = qdma_config->fle_queue_pool_cnt;
-
- return 0;
-}
-
-static int
-dpaa2_qdma_start(struct rte_rawdev *rawdev)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- qdma_dev->state = 1;
-
- return 0;
-}
-
-static int
-check_devargs_handler(__rte_unused const char *key, const char *value,
- __rte_unused void *opaque)
-{
- if (strcmp(value, "1"))
- return -1;
-
- return 0;
-}
-
-static int
-dpaa2_get_devargs(struct rte_devargs *devargs, const char *key)
-{
- struct rte_kvargs *kvlist;
-
- if (!devargs)
- return 0;
-
- kvlist = rte_kvargs_parse(devargs->args, NULL);
- if (!kvlist)
- return 0;
-
- if (!rte_kvargs_count(kvlist, key)) {
- rte_kvargs_free(kvlist);
- return 0;
- }
-
- if (rte_kvargs_process(kvlist, key,
- check_devargs_handler, NULL) < 0) {
- rte_kvargs_free(kvlist);
- return 0;
- }
- rte_kvargs_free(kvlist);
-
- return 1;
-}
-
-static int
-dpaa2_qdma_queue_setup(struct rte_rawdev *rawdev,
- __rte_unused uint16_t queue_id,
- rte_rawdev_obj_t queue_conf,
- size_t conf_size)
-{
- char ring_name[32];
- char pool_name[64];
- int i;
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
- struct rte_qdma_queue_config *q_config =
- (struct rte_qdma_queue_config *)queue_conf;
- uint32_t pool_size;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- if (conf_size != sizeof(*q_config)) {
- DPAA2_QDMA_ERR("Config size mismatch. Expected %" PRIu64
- ", Got: %" PRIu64, (uint64_t)(sizeof(*q_config)),
- (uint64_t)conf_size);
- return -EINVAL;
- }
-
- rte_spinlock_lock(&qdma_dev->lock);
-
- /* Get a free Virtual Queue */
- for (i = 0; i < qdma_dev->max_vqs; i++) {
- if (qdma_dev->vqs[i].in_use == 0)
- break;
- }
-
- /* Return in case no VQ is free */
- if (i == qdma_dev->max_vqs) {
- rte_spinlock_unlock(&qdma_dev->lock);
- DPAA2_QDMA_ERR("Unable to get lock on QDMA device");
- return -ENODEV;
- }
-
- if (q_config->flags & RTE_QDMA_VQ_FD_SG_FORMAT) {
- if (!(q_config->flags & RTE_QDMA_VQ_EXCLUSIVE_PQ)) {
- DPAA2_QDMA_ERR(
- "qDMA SG format only supports physical queue!");
- rte_spinlock_unlock(&qdma_dev->lock);
- return -ENODEV;
- }
- if (!(q_config->flags & RTE_QDMA_VQ_FD_LONG_FORMAT)) {
- DPAA2_QDMA_ERR(
- "qDMA SG format only supports long FD format!");
- rte_spinlock_unlock(&qdma_dev->lock);
- return -ENODEV;
- }
- pool_size = QDMA_FLE_SG_POOL_SIZE;
- } else {
- pool_size = QDMA_FLE_SINGLE_POOL_SIZE;
- }
-
- if (q_config->flags & RTE_QDMA_VQ_EXCLUSIVE_PQ) {
- /* Allocate HW queue for a VQ */
- qdma_dev->vqs[i].hw_queue = alloc_hw_queue(q_config->lcore_id);
- qdma_dev->vqs[i].exclusive_hw_queue = 1;
- } else {
- /* Allocate a Ring for Virtual Queue in VQ mode */
- snprintf(ring_name, sizeof(ring_name), "status ring %d", i);
- qdma_dev->vqs[i].status_ring = rte_ring_create(ring_name,
- qdma_dev->fle_queue_pool_cnt, rte_socket_id(), 0);
- if (!qdma_dev->vqs[i].status_ring) {
- DPAA2_QDMA_ERR("Status ring creation failed for vq");
- rte_spinlock_unlock(&qdma_dev->lock);
- return rte_errno;
- }
-
- /* Get a HW queue (shared) for a VQ */
- qdma_dev->vqs[i].hw_queue = get_hw_queue(qdma_dev,
- q_config->lcore_id);
- qdma_dev->vqs[i].exclusive_hw_queue = 0;
- }
-
- if (qdma_dev->vqs[i].hw_queue == NULL) {
- DPAA2_QDMA_ERR("No H/W queue available for VQ");
- rte_ring_free(qdma_dev->vqs[i].status_ring);
- qdma_dev->vqs[i].status_ring = NULL;
- rte_spinlock_unlock(&qdma_dev->lock);
- return -ENODEV;
- }
-
- snprintf(pool_name, sizeof(pool_name),
- "qdma_fle_pool%u_queue%d", getpid(), i);
- qdma_dev->vqs[i].fle_pool = rte_mempool_create(pool_name,
- qdma_dev->fle_queue_pool_cnt, pool_size,
- QDMA_FLE_CACHE_SIZE(qdma_dev->fle_queue_pool_cnt), 0,
- NULL, NULL, NULL, NULL, SOCKET_ID_ANY, 0);
- if (!qdma_dev->vqs[i].fle_pool) {
- DPAA2_QDMA_ERR("qdma_fle_pool create failed");
- rte_spinlock_unlock(&qdma_dev->lock);
- return -ENOMEM;
- }
-
- qdma_dev->vqs[i].flags = q_config->flags;
- qdma_dev->vqs[i].in_use = 1;
- qdma_dev->vqs[i].lcore_id = q_config->lcore_id;
- memset(&qdma_dev->vqs[i].rbp, 0, sizeof(struct rte_qdma_rbp));
-
- if (q_config->flags & RTE_QDMA_VQ_FD_LONG_FORMAT) {
- if (q_config->flags & RTE_QDMA_VQ_FD_SG_FORMAT) {
- qdma_dev->vqs[i].set_fd = dpdmai_dev_set_sg_fd_lf;
- qdma_dev->vqs[i].get_job = dpdmai_dev_get_sg_job_lf;
- } else {
- if (q_config->flags & RTE_QDMA_VQ_NO_RESPONSE)
- qdma_dev->vqs[i].set_fd =
- dpdmai_dev_set_multi_fd_lf_no_rsp;
- else
- qdma_dev->vqs[i].set_fd =
- dpdmai_dev_set_multi_fd_lf;
- qdma_dev->vqs[i].get_job = dpdmai_dev_get_single_job_lf;
- }
- } else {
- qdma_dev->vqs[i].set_fd = dpdmai_dev_set_fd_us;
- qdma_dev->vqs[i].get_job = dpdmai_dev_get_job_us;
- }
- if (dpaa2_get_devargs(rawdev->device->devargs,
- DPAA2_QDMA_NO_PREFETCH) ||
- (getenv("DPAA2_NO_QDMA_PREFETCH_RX"))) {
- /* If no prefetch is configured. */
- qdma_dev->vqs[i].dequeue_job =
- dpdmai_dev_dequeue_multijob_no_prefetch;
- DPAA2_QDMA_INFO("No Prefetch RX Mode enabled");
- } else {
- qdma_dev->vqs[i].dequeue_job =
- dpdmai_dev_dequeue_multijob_prefetch;
- }
-
- qdma_dev->vqs[i].enqueue_job = dpdmai_dev_enqueue_multi;
-
- if (q_config->rbp != NULL)
- memcpy(&qdma_dev->vqs[i].rbp, q_config->rbp,
- sizeof(struct rte_qdma_rbp));
-
- rte_spinlock_unlock(&qdma_dev->lock);
-
- return i;
-}
-
-static int
-dpaa2_qdma_enqueue(struct rte_rawdev *rawdev,
- __rte_unused struct rte_rawdev_buf **buffers,
- unsigned int nb_jobs,
- rte_rawdev_obj_t context)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct rte_qdma_enqdeq *e_context =
- (struct rte_qdma_enqdeq *)context;
- struct qdma_virt_queue *qdma_vq =
- &dpdmai_dev->qdma_dev->vqs[e_context->vq_id];
- int ret;
-
- ret = qdma_vq->enqueue_job(qdma_vq, e_context->job, nb_jobs);
- if (ret < 0) {
- DPAA2_QDMA_ERR("DPDMAI device enqueue failed: %d", ret);
- return ret;
- }
-
- qdma_vq->num_enqueues += ret;
-
- return ret;
-}
-
-static int
-dpaa2_qdma_dequeue(struct rte_rawdev *rawdev,
- __rte_unused struct rte_rawdev_buf **buffers,
- unsigned int nb_jobs,
- rte_rawdev_obj_t cntxt)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
- struct rte_qdma_enqdeq *context =
- (struct rte_qdma_enqdeq *)cntxt;
- struct qdma_virt_queue *qdma_vq = &qdma_dev->vqs[context->vq_id];
- struct qdma_virt_queue *temp_qdma_vq;
- int ret = 0, i;
- unsigned int ring_count;
-
- if (qdma_vq->flags & RTE_QDMA_VQ_FD_SG_FORMAT) {
- /** Make sure there are enough space to get jobs.*/
- if (unlikely(nb_jobs < DPAA2_QDMA_MAX_SG_NB))
- return -EINVAL;
- }
-
- /* Only dequeue when there are pending jobs on VQ */
- if (qdma_vq->num_enqueues == qdma_vq->num_dequeues)
- return 0;
-
- if (!(qdma_vq->flags & RTE_QDMA_VQ_FD_SG_FORMAT) &&
- qdma_vq->num_enqueues < (qdma_vq->num_dequeues + nb_jobs))
- nb_jobs = (qdma_vq->num_enqueues - qdma_vq->num_dequeues);
-
- if (qdma_vq->exclusive_hw_queue) {
- /* In case of exclusive queue directly fetch from HW queue */
- ret = qdma_vq->dequeue_job(qdma_vq, NULL,
- context->job, nb_jobs);
- if (ret < 0) {
- DPAA2_QDMA_ERR(
- "Dequeue from DPDMAI device failed: %d", ret);
- return ret;
- }
- qdma_vq->num_dequeues += ret;
- } else {
- uint16_t temp_vq_id[RTE_QDMA_BURST_NB_MAX];
- /*
- * Get the QDMA completed jobs from the software ring.
- * In case they are not available on the ring poke the HW
- * to fetch completed jobs from corresponding HW queues
- */
- ring_count = rte_ring_count(qdma_vq->status_ring);
- if (ring_count < nb_jobs) {
- /* TODO - How to have right budget */
- ret = qdma_vq->dequeue_job(qdma_vq,
- temp_vq_id, context->job, nb_jobs);
- for (i = 0; i < ret; i++) {
- temp_qdma_vq = &qdma_dev->vqs[temp_vq_id[i]];
- rte_ring_enqueue(temp_qdma_vq->status_ring,
- (void *)(context->job[i]));
- }
- ring_count = rte_ring_count(
- qdma_vq->status_ring);
- }
-
- if (ring_count) {
- /* Dequeue job from the software ring
- * to provide to the user
- */
- ret = rte_ring_dequeue_bulk(qdma_vq->status_ring,
- (void **)context->job,
- ring_count, NULL);
- if (ret)
- qdma_vq->num_dequeues += ret;
- }
- }
-
- return ret;
-}
-
-void
-rte_qdma_vq_stats(struct rte_rawdev *rawdev,
- uint16_t vq_id,
- struct rte_qdma_vq_stats *vq_status)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
- struct qdma_virt_queue *qdma_vq = &qdma_dev->vqs[vq_id];
-
- if (qdma_vq->in_use) {
- vq_status->exclusive_hw_queue = qdma_vq->exclusive_hw_queue;
- vq_status->lcore_id = qdma_vq->lcore_id;
- vq_status->num_enqueues = qdma_vq->num_enqueues;
- vq_status->num_dequeues = qdma_vq->num_dequeues;
- vq_status->num_pending_jobs = vq_status->num_enqueues -
- vq_status->num_dequeues;
- }
-}
-
-static int
-dpaa2_qdma_queue_release(struct rte_rawdev *rawdev,
- uint16_t vq_id)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
-
- struct qdma_virt_queue *qdma_vq = &qdma_dev->vqs[vq_id];
-
- DPAA2_QDMA_FUNC_TRACE();
-
- /* In case there are pending jobs on any VQ, return -EBUSY */
- if (qdma_vq->num_enqueues != qdma_vq->num_dequeues)
- return -EBUSY;
-
- rte_spinlock_lock(&qdma_dev->lock);
-
- if (qdma_vq->exclusive_hw_queue)
- free_hw_queue(qdma_vq->hw_queue);
- else {
- rte_ring_free(qdma_vq->status_ring);
-
- put_hw_queue(qdma_vq->hw_queue);
- }
-
- rte_mempool_free(qdma_vq->fle_pool);
-
- memset(qdma_vq, 0, sizeof(struct qdma_virt_queue));
-
- rte_spinlock_unlock(&qdma_dev->lock);
-
- return 0;
-}
-
-static void
-dpaa2_qdma_stop(struct rte_rawdev *rawdev)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- qdma_dev->state = 0;
-}
-
-static int
-dpaa2_qdma_close(struct rte_rawdev *rawdev)
-{
- DPAA2_QDMA_FUNC_TRACE();
-
- dpaa2_qdma_reset(rawdev);
-
- return 0;
-}
-
-static struct rte_rawdev_ops dpaa2_qdma_ops = {
- .dev_configure = dpaa2_qdma_configure,
- .dev_start = dpaa2_qdma_start,
- .dev_stop = dpaa2_qdma_stop,
- .dev_reset = dpaa2_qdma_reset,
- .dev_close = dpaa2_qdma_close,
- .queue_setup = dpaa2_qdma_queue_setup,
- .queue_release = dpaa2_qdma_queue_release,
- .attr_get = dpaa2_qdma_attr_get,
- .enqueue_bufs = dpaa2_qdma_enqueue,
- .dequeue_bufs = dpaa2_qdma_dequeue,
-};
-
-static int
-add_hw_queues_to_list(struct dpaa2_dpdmai_dev *dpdmai_dev)
-{
- struct qdma_hw_queue *queue;
- int i;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- for (i = 0; i < dpdmai_dev->num_queues; i++) {
- queue = rte_zmalloc(NULL, sizeof(struct qdma_hw_queue), 0);
- if (!queue) {
- DPAA2_QDMA_ERR(
- "Memory allocation failed for QDMA queue");
- return -ENOMEM;
- }
-
- queue->dpdmai_dev = dpdmai_dev;
- queue->queue_id = i;
-
- TAILQ_INSERT_TAIL(&qdma_queue_list, queue, next);
- dpdmai_dev->qdma_dev->num_hw_queues++;
- }
-
- return 0;
-}
-
-static void
-remove_hw_queues_from_list(struct dpaa2_dpdmai_dev *dpdmai_dev)
-{
- struct qdma_hw_queue *queue = NULL;
- struct qdma_hw_queue *tqueue = NULL;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- RTE_TAILQ_FOREACH_SAFE(queue, &qdma_queue_list, next, tqueue) {
- if (queue->dpdmai_dev == dpdmai_dev) {
- TAILQ_REMOVE(&qdma_queue_list, queue, next);
- rte_free(queue);
- queue = NULL;
- }
- }
-}
-
-static int
-dpaa2_dpdmai_dev_uninit(struct rte_rawdev *rawdev)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- int ret, i;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- /* Remove HW queues from global list */
- remove_hw_queues_from_list(dpdmai_dev);
-
- ret = dpdmai_disable(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
- dpdmai_dev->token);
- if (ret)
- DPAA2_QDMA_ERR("dmdmai disable failed");
-
- /* Set up the DQRR storage for Rx */
- for (i = 0; i < dpdmai_dev->num_queues; i++) {
- struct dpaa2_queue *rxq = &(dpdmai_dev->rx_queue[i]);
-
- if (rxq->q_storage) {
- dpaa2_free_dq_storage(rxq->q_storage);
- rte_free(rxq->q_storage);
- }
- }
-
- /* Close the device at underlying layer*/
- ret = dpdmai_close(&dpdmai_dev->dpdmai, CMD_PRI_LOW, dpdmai_dev->token);
- if (ret)
- DPAA2_QDMA_ERR("Failure closing dpdmai device");
-
- return 0;
-}
-
-static int
-dpaa2_dpdmai_dev_init(struct rte_rawdev *rawdev, int dpdmai_id)
-{
- struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
- struct dpdmai_rx_queue_cfg rx_queue_cfg;
- struct dpdmai_attr attr;
- struct dpdmai_rx_queue_attr rx_attr;
- struct dpdmai_tx_queue_attr tx_attr;
- int ret, i;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- /* Open DPDMAI device */
- dpdmai_dev->dpdmai_id = dpdmai_id;
- dpdmai_dev->dpdmai.regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
- dpdmai_dev->qdma_dev = &q_dev;
- ret = dpdmai_open(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
- dpdmai_dev->dpdmai_id, &dpdmai_dev->token);
- if (ret) {
- DPAA2_QDMA_ERR("dpdmai_open() failed with err: %d", ret);
- return ret;
- }
-
- /* Get DPDMAI attributes */
- ret = dpdmai_get_attributes(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
- dpdmai_dev->token, &attr);
- if (ret) {
- DPAA2_QDMA_ERR("dpdmai get attributes failed with err: %d",
- ret);
- goto init_err;
- }
- dpdmai_dev->num_queues = attr.num_of_queues;
-
- /* Set up Rx Queues */
- for (i = 0; i < dpdmai_dev->num_queues; i++) {
- struct dpaa2_queue *rxq;
-
- memset(&rx_queue_cfg, 0, sizeof(struct dpdmai_rx_queue_cfg));
- ret = dpdmai_set_rx_queue(&dpdmai_dev->dpdmai,
- CMD_PRI_LOW,
- dpdmai_dev->token,
- i, 0, &rx_queue_cfg);
- if (ret) {
- DPAA2_QDMA_ERR("Setting Rx queue failed with err: %d",
- ret);
- goto init_err;
- }
-
- /* Allocate DQ storage for the DPDMAI Rx queues */
- rxq = &(dpdmai_dev->rx_queue[i]);
- rxq->q_storage = rte_malloc("dq_storage",
- sizeof(struct queue_storage_info_t),
- RTE_CACHE_LINE_SIZE);
- if (!rxq->q_storage) {
- DPAA2_QDMA_ERR("q_storage allocation failed");
- ret = -ENOMEM;
- goto init_err;
- }
-
- memset(rxq->q_storage, 0, sizeof(struct queue_storage_info_t));
- ret = dpaa2_alloc_dq_storage(rxq->q_storage);
- if (ret) {
- DPAA2_QDMA_ERR("dpaa2_alloc_dq_storage failed");
- goto init_err;
- }
- }
-
- /* Get Rx and Tx queues FQID's */
- for (i = 0; i < dpdmai_dev->num_queues; i++) {
- ret = dpdmai_get_rx_queue(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
- dpdmai_dev->token, i, 0, &rx_attr);
- if (ret) {
- DPAA2_QDMA_ERR("Reading device failed with err: %d",
- ret);
- goto init_err;
- }
- dpdmai_dev->rx_queue[i].fqid = rx_attr.fqid;
-
- ret = dpdmai_get_tx_queue(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
- dpdmai_dev->token, i, 0, &tx_attr);
- if (ret) {
- DPAA2_QDMA_ERR("Reading device failed with err: %d",
- ret);
- goto init_err;
- }
- dpdmai_dev->tx_queue[i].fqid = tx_attr.fqid;
- }
-
- /* Enable the device */
- ret = dpdmai_enable(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
- dpdmai_dev->token);
- if (ret) {
- DPAA2_QDMA_ERR("Enabling device failed with err: %d", ret);
- goto init_err;
- }
-
- /* Add the HW queue to the global list */
- ret = add_hw_queues_to_list(dpdmai_dev);
- if (ret) {
- DPAA2_QDMA_ERR("Adding H/W queue to list failed");
- goto init_err;
- }
-
- if (!dpaa2_coherent_no_alloc_cache) {
- if (dpaa2_svr_family == SVR_LX2160A) {
- dpaa2_coherent_no_alloc_cache =
- DPAA2_LX2_COHERENT_NO_ALLOCATE_CACHE;
- dpaa2_coherent_alloc_cache =
- DPAA2_LX2_COHERENT_ALLOCATE_CACHE;
- } else {
- dpaa2_coherent_no_alloc_cache =
- DPAA2_COHERENT_NO_ALLOCATE_CACHE;
- dpaa2_coherent_alloc_cache =
- DPAA2_COHERENT_ALLOCATE_CACHE;
- }
- }
-
- DPAA2_QDMA_DEBUG("Initialized dpdmai object successfully");
-
- rte_spinlock_init(&dpdmai_dev->qdma_dev->lock);
-
- return 0;
-init_err:
- dpaa2_dpdmai_dev_uninit(rawdev);
- return ret;
-}
-
-static int
-rte_dpaa2_qdma_probe(struct rte_dpaa2_driver *dpaa2_drv,
- struct rte_dpaa2_device *dpaa2_dev)
-{
- struct rte_rawdev *rawdev;
- int ret;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- rawdev = rte_rawdev_pmd_allocate(dpaa2_dev->device.name,
- sizeof(struct dpaa2_dpdmai_dev),
- rte_socket_id());
- if (!rawdev) {
- DPAA2_QDMA_ERR("Unable to allocate rawdevice");
- return -EINVAL;
- }
-
- dpaa2_dev->rawdev = rawdev;
- rawdev->dev_ops = &dpaa2_qdma_ops;
- rawdev->device = &dpaa2_dev->device;
- rawdev->driver_name = dpaa2_drv->driver.name;
-
- /* Invoke PMD device initialization function */
- ret = dpaa2_dpdmai_dev_init(rawdev, dpaa2_dev->object_id);
- if (ret) {
- rte_rawdev_pmd_release(rawdev);
- return ret;
- }
-
- /* Reset the QDMA device */
- ret = dpaa2_qdma_reset(rawdev);
- if (ret) {
- DPAA2_QDMA_ERR("Resetting QDMA failed");
- return ret;
- }
-
- return 0;
-}
-
-static int
-rte_dpaa2_qdma_remove(struct rte_dpaa2_device *dpaa2_dev)
-{
- struct rte_rawdev *rawdev = dpaa2_dev->rawdev;
- int ret;
-
- DPAA2_QDMA_FUNC_TRACE();
-
- dpaa2_dpdmai_dev_uninit(rawdev);
-
- ret = rte_rawdev_pmd_release(rawdev);
- if (ret)
- DPAA2_QDMA_ERR("Device cleanup failed");
-
- return 0;
-}
-
-static struct rte_dpaa2_driver rte_dpaa2_qdma_pmd = {
- .drv_flags = RTE_DPAA2_DRV_IOVA_AS_VA,
- .drv_type = DPAA2_QDMA,
- .probe = rte_dpaa2_qdma_probe,
- .remove = rte_dpaa2_qdma_remove,
-};
-
-RTE_PMD_REGISTER_DPAA2(dpaa2_qdma, rte_dpaa2_qdma_pmd);
-RTE_PMD_REGISTER_PARAM_STRING(dpaa2_qdma,
- "no_prefetch=<int> ");
-RTE_LOG_REGISTER(dpaa2_qdma_logtype, pmd.raw.dpaa2.qdma, INFO);
git.droids-corp.org / dpdk.git / commitdiff