[Intel-wired-lan] [PATCH rdma-next 02/17] RDMA/irdma: Implement device initialization definitions
Shiraz Saleem
shiraz.saleem at intel.com
Sat Jun 29 18:53:50 UTC 2019
From: Mustafa Ismail <mustafa.ismail at intel.com>
Implement device initialization routines, interrupt set-up,
and allocate object bit-map tracking structures.
Also, add device specific attributes and register definitions.
Signed-off-by: Mustafa Ismail <mustafa.ismail at intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem at intel.com>
---
drivers/infiniband/hw/irdma/hw.c | 2563 +++++++++++++++++++++++++++++++
drivers/infiniband/hw/irdma/i40iw_hw.c | 210 +++
drivers/infiniband/hw/irdma/i40iw_hw.h | 163 ++
drivers/infiniband/hw/irdma/icrdma_hw.c | 75 +
drivers/infiniband/hw/irdma/icrdma_hw.h | 63 +
5 files changed, 3074 insertions(+)
create mode 100644 drivers/infiniband/hw/irdma/hw.c
create mode 100644 drivers/infiniband/hw/irdma/i40iw_hw.c
create mode 100644 drivers/infiniband/hw/irdma/i40iw_hw.h
create mode 100644 drivers/infiniband/hw/irdma/icrdma_hw.c
create mode 100644 drivers/infiniband/hw/irdma/icrdma_hw.h
diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c
new file mode 100644
index 0000000..34034ab
--- /dev/null
+++ b/drivers/infiniband/hw/irdma/hw.c
@@ -0,0 +1,2563 @@
+// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+/* Copyright (c) 2019, Intel Corporation. */
+
+#include "main.h"
+
+static struct irdma_rsrc_limits rsrc_limits_table[] = {
+ [0] = {
+ .qplimit = 4096,
+ },
+ [1] = {
+ .qplimit = 128,
+ },
+ [2] = {
+ .qplimit = 1024,
+ },
+ [3] = {
+ .qplimit = 2048,
+ },
+ [4] = {
+ .qplimit = 16384,
+ },
+ [5] = {
+ .qplimit = 65536,
+ },
+};
+
+/* types of hmc objects */
+static enum irdma_hmc_rsrc_type iw_hmc_obj_types[] = {
+ IRDMA_HMC_IW_QP,
+ IRDMA_HMC_IW_CQ,
+ IRDMA_HMC_IW_HTE,
+ IRDMA_HMC_IW_ARP,
+ IRDMA_HMC_IW_APBVT_ENTRY,
+ IRDMA_HMC_IW_MR,
+ IRDMA_HMC_IW_XF,
+ IRDMA_HMC_IW_XFFL,
+ IRDMA_HMC_IW_Q1,
+ IRDMA_HMC_IW_Q1FL,
+ IRDMA_HMC_IW_TIMER,
+ IRDMA_HMC_IW_FSIMC,
+ IRDMA_HMC_IW_FSIAV,
+ IRDMA_HMC_IW_RRF,
+ IRDMA_HMC_IW_RRFFL,
+ IRDMA_HMC_IW_HDR,
+ IRDMA_HMC_IW_MD,
+ IRDMA_HMC_IW_OOISC,
+ IRDMA_HMC_IW_OOISCFFL,
+};
+
+/**
+ * irdma_iwarp_ce_handler - handle iwarp completions
+ * @iwcq: iwarp cq receiving event
+ */
+static void irdma_iwarp_ce_handler(struct irdma_sc_cq *iwcq)
+{
+ struct irdma_cq *cq = iwcq->back_cq;
+
+ if (cq->ibcq.comp_handler)
+ cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
+}
+
+/**
+ * irdma_puda_ce_handler - handle puda completion events
+ * @rf: RDMA PCI function
+ * @cq: puda completion q for event
+ */
+static void irdma_puda_ce_handler(struct irdma_pci_f *rf,
+ struct irdma_sc_cq *cq)
+{
+ struct irdma_sc_dev *dev = (struct irdma_sc_dev *)&rf->sc_dev;
+ enum irdma_status_code status;
+ u32 compl_error;
+
+ do {
+ status = irdma_puda_poll_cmpl(dev, cq, &compl_error);
+ if (status == IRDMA_ERR_Q_EMPTY)
+ break;
+ if (status) {
+ dev_dbg(rfdev_to_dev(dev), "ERR: puda status = %d\n",
+ status);
+ break;
+ }
+ if (compl_error) {
+ dev_dbg(rfdev_to_dev(dev),
+ "ERR: puda compl_err =0x%x\n", compl_error);
+ break;
+ }
+ } while (1);
+
+ dev->ccq_ops->ccq_arm(cq);
+}
+
+/**
+ * irdma_process_ceq - handle ceq for completions
+ * @rf: RDMA PCI function
+ * @ceq: ceq having cq for completion
+ */
+static void irdma_process_ceq(struct irdma_pci_f *rf, struct irdma_ceq *ceq)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_sc_ceq *sc_ceq;
+ struct irdma_sc_cq *cq;
+
+ sc_ceq = &ceq->sc_ceq;
+ do {
+ cq = dev->ceq_ops->process_ceq(dev, sc_ceq);
+ if (!cq)
+ break;
+
+ if (cq->cq_type == IRDMA_CQ_TYPE_CQP)
+ up(&rf->cqp.cqp_compl_sem);
+ else if (cq->cq_type == IRDMA_CQ_TYPE_IWARP)
+ irdma_iwarp_ce_handler(cq);
+ else if (cq->cq_type == IRDMA_CQ_TYPE_ILQ ||
+ cq->cq_type == IRDMA_CQ_TYPE_IEQ)
+ irdma_puda_ce_handler(rf, cq);
+ } while (1);
+}
+
+/**
+ * irdma_process_aeq - handle aeq events
+ * @rf: RDMA PCI function
+ */
+static void irdma_process_aeq(struct irdma_pci_f *rf)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_aeq *aeq = &rf->aeq;
+ struct irdma_sc_aeq *sc_aeq = &aeq->sc_aeq;
+ struct irdma_aeqe_info aeinfo;
+ struct irdma_aeqe_info *info = &aeinfo;
+ int ret;
+ struct irdma_qp *iwqp = NULL;
+ struct irdma_sc_cq *cq = NULL;
+ struct irdma_cq *iwcq = NULL;
+ struct irdma_sc_qp *qp = NULL;
+ struct irdma_qp_host_ctx_info *ctx_info = NULL;
+ unsigned long flags;
+
+ u32 aeqcnt = 0;
+
+ if (!sc_aeq->size)
+ return;
+
+ do {
+ memset(info, 0, sizeof(*info));
+ ret = dev->aeq_ops->get_next_aeqe(sc_aeq, info);
+ if (ret)
+ break;
+
+ aeqcnt++;
+ dev_dbg(rfdev_to_dev(dev),
+ "AEQ: ae_id = 0x%x bool qp=%d qp_id = %d\n",
+ info->ae_id, info->qp, info->qp_cq_id);
+ if (info->qp) {
+ spin_lock_irqsave(&rf->qptable_lock, flags);
+ iwqp = rf->qp_table[info->qp_cq_id];
+ if (!iwqp) {
+ spin_unlock_irqrestore(&rf->qptable_lock,
+ flags);
+ dev_dbg(rfdev_to_dev(dev),
+ "AEQ: qp_id %d is already freed\n",
+ info->qp_cq_id);
+ continue;
+ }
+ irdma_add_ref(&iwqp->ibqp);
+ spin_unlock_irqrestore(&rf->qptable_lock, flags);
+ qp = &iwqp->sc_qp;
+ spin_lock_irqsave(&iwqp->lock, flags);
+ iwqp->hw_tcp_state = info->tcp_state;
+ iwqp->hw_iwarp_state = info->iwarp_state;
+ iwqp->last_aeq = info->ae_id;
+ spin_unlock_irqrestore(&iwqp->lock, flags);
+ ctx_info = &iwqp->ctx_info;
+ if (rdma_protocol_roce(&iwqp->iwdev->iwibdev->ibdev, 1))
+ ctx_info->roce_info->err_rq_idx_valid = true;
+ else
+ ctx_info->iwarp_info->err_rq_idx_valid = true;
+ } else {
+ if (info->ae_id != IRDMA_AE_CQ_OPERATION_ERROR)
+ continue;
+ }
+
+ switch (info->ae_id) {
+ struct irdma_cm_node *cm_node;
+ case IRDMA_AE_LLP_CONNECTION_ESTABLISHED:
+ cm_node = iwqp->cm_node;
+ if (cm_node->accept_pend) {
+ atomic_dec(&cm_node->listener->pend_accepts_cnt);
+ cm_node->accept_pend = 0;
+ }
+ iwqp->rts_ae_rcvd = 1;
+ wake_up_interruptible(&iwqp->waitq);
+ break;
+ case IRDMA_AE_LLP_FIN_RECEIVED:
+ case IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE:
+ if (qp->term_flags)
+ break;
+ if (atomic_inc_return(&iwqp->close_timer_started) == 1) {
+ iwqp->hw_tcp_state = IRDMA_TCP_STATE_CLOSE_WAIT;
+ if (iwqp->hw_tcp_state == IRDMA_TCP_STATE_CLOSE_WAIT &&
+ iwqp->ibqp_state == IB_QPS_RTS) {
+ irdma_next_iw_state(iwqp,
+ IRDMA_QP_STATE_CLOSING,
+ 0, 0, 0);
+ irdma_cm_disconn(iwqp);
+ }
+ iwqp->cm_id->add_ref(iwqp->cm_id);
+ irdma_schedule_cm_timer(iwqp->cm_node,
+ (struct irdma_puda_buf *)iwqp,
+ IRDMA_TIMER_TYPE_CLOSE,
+ 1, 0);
+ }
+ break;
+ case IRDMA_AE_LLP_CLOSE_COMPLETE:
+ if (qp->term_flags)
+ irdma_terminate_done(qp, 0);
+ else
+ irdma_cm_disconn(iwqp);
+ break;
+ case IRDMA_AE_BAD_CLOSE:
+ /* fall through */
+ case IRDMA_AE_RESET_SENT:
+ irdma_next_iw_state(iwqp, IRDMA_QP_STATE_ERROR, 1, 0,
+ 0);
+ irdma_cm_disconn(iwqp);
+ break;
+ case IRDMA_AE_LLP_CONNECTION_RESET:
+ if (atomic_read(&iwqp->close_timer_started))
+ break;
+ irdma_cm_disconn(iwqp);
+ break;
+ case IRDMA_AE_QP_SUSPEND_COMPLETE:
+ atomic_dec(&iwqp->sc_qp.vsi->qp_suspend_reqs);
+ wake_up(&iwqp->iwdev->suspend_wq);
+ break;
+ case IRDMA_AE_TERMINATE_SENT:
+ irdma_terminate_send_fin(qp);
+ break;
+ case IRDMA_AE_LLP_TERMINATE_RECEIVED:
+ irdma_terminate_received(qp, info);
+ break;
+ case IRDMA_AE_CQ_OPERATION_ERROR:
+ dev_err(rfdev_to_dev(dev),
+ "Processing an iWARP related AE for CQ misc = 0x%04X\n",
+ info->ae_id);
+ cq = (struct irdma_sc_cq *)(unsigned long)
+ info->compl_ctx;
+
+ iwcq = (struct irdma_cq *)cq->back_cq;
+
+ if (iwcq->ibcq.event_handler) {
+ struct ib_event ibevent;
+
+ ibevent.device = iwcq->ibcq.device;
+ ibevent.event = IB_EVENT_CQ_ERR;
+ ibevent.element.cq = &iwcq->ibcq;
+ iwcq->ibcq.event_handler(&ibevent,
+ iwcq->ibcq.cq_context);
+ }
+ break;
+ case IRDMA_AE_LLP_DOUBT_REACHABILITY:
+ case IRDMA_AE_RESOURCE_EXHAUSTION:
+ break;
+ case IRDMA_AE_PRIV_OPERATION_DENIED:
+ case IRDMA_AE_STAG_ZERO_INVALID:
+ case IRDMA_AE_IB_RREQ_AND_Q1_FULL:
+ case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION:
+ case IRDMA_AE_DDP_UBE_INVALID_MO:
+ case IRDMA_AE_DDP_UBE_INVALID_QN:
+ case IRDMA_AE_DDP_NO_L_BIT:
+ case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
+ case IRDMA_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
+ case IRDMA_AE_ROE_INVALID_RDMA_READ_REQUEST:
+ case IRDMA_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
+ case IRDMA_AE_INVALID_ARP_ENTRY:
+ case IRDMA_AE_INVALID_TCP_OPTION_RCVD:
+ case IRDMA_AE_STALE_ARP_ENTRY:
+ case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
+ case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
+ case IRDMA_AE_LLP_SYN_RECEIVED:
+ case IRDMA_AE_LLP_TOO_MANY_RETRIES:
+ case IRDMA_AE_LCE_QP_CATASTROPHIC:
+ case IRDMA_AE_LCE_FUNCTION_CATASTROPHIC:
+ case IRDMA_AE_LCE_CQ_CATASTROPHIC:
+ case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG:
+ if (rdma_protocol_roce(&iwqp->iwdev->iwibdev->ibdev, 1))
+ ctx_info->roce_info->err_rq_idx_valid = false;
+ else
+ ctx_info->iwarp_info->err_rq_idx_valid = false;
+ /* fall through */
+ default:
+ dev_err(rfdev_to_dev(dev),
+ "abnormal ae_id = 0x%x bool qp=%d qp_id = %d\n",
+ info->ae_id, info->qp, info->qp_cq_id);
+ if (rdma_protocol_roce(&iwqp->iwdev->iwibdev->ibdev, 1)) {
+ if (!info->sq && ctx_info->roce_info->err_rq_idx_valid) {
+ ctx_info->roce_info->err_rq_idx = info->wqe_idx;
+ ret = dev->iw_priv_qp_ops->qp_setctx_roce(&iwqp->sc_qp,
+ iwqp->host_ctx.va,
+ ctx_info);
+ }
+ irdma_cm_disconn(iwqp);
+ break;
+ }
+ if (!info->sq && ctx_info->iwarp_info->err_rq_idx_valid) {
+ ctx_info->iwarp_info->err_rq_idx = info->wqe_idx;
+ ctx_info->tcp_info_valid = false;
+ ctx_info->iwarp_info_valid = false;
+ ret = dev->iw_priv_qp_ops->qp_setctx(&iwqp->sc_qp,
+ iwqp->host_ctx.va,
+ ctx_info);
+ }
+ if (iwqp->hw_iwarp_state != IRDMA_QP_STATE_RTS &&
+ iwqp->hw_iwarp_state != IRDMA_QP_STATE_TERMINATE) {
+ irdma_next_iw_state(iwqp, IRDMA_QP_STATE_ERROR, 1, 0, 0);
+ irdma_cm_disconn(iwqp);
+ } else {
+ iwqp->sc_qp.term_flags = 1;
+ irdma_next_iw_state(iwqp, IRDMA_QP_STATE_ERROR, 1, 0,
+ 0);
+ irdma_cm_disconn(iwqp);
+ }
+ break;
+ }
+ if (info->qp)
+ irdma_rem_ref(&iwqp->ibqp);
+ } while (1);
+
+ if (aeqcnt)
+ dev->aeq_ops->repost_aeq_entries(dev, aeqcnt);
+}
+
+/**
+ * irdma_enable_intr - set up device interrupts
+ * @dev: hardware control device structure
+ * @msix_id: id of the interrupt to be enabled
+ */
+static void irdma_ena_intr(struct irdma_sc_dev *dev, u32 msix_id)
+{
+ dev->irq_ops->irdma_en_irq(dev, msix_id);
+}
+
+/**
+ * irdma_dpc - tasklet for aeq and ceq 0
+ * @data: RDMA PCI function
+ */
+static void irdma_dpc(unsigned long data)
+{
+ struct irdma_pci_f *rf = (struct irdma_pci_f *)data;
+
+ if (rf->msix_shared)
+ irdma_process_ceq(rf, rf->ceqlist);
+ irdma_process_aeq(rf);
+ irdma_ena_intr(&rf->sc_dev, rf->iw_msixtbl[0].idx);
+}
+
+/**
+ * irdma_ceq_dpc - dpc handler for CEQ
+ * @data: data points to CEQ
+ */
+static void irdma_ceq_dpc(unsigned long data)
+{
+ struct irdma_ceq *iwceq = (struct irdma_ceq *)data;
+ struct irdma_pci_f *rf = iwceq->rf;
+
+ irdma_process_ceq(rf, iwceq);
+ irdma_ena_intr(&rf->sc_dev, iwceq->msix_idx);
+}
+
+/**
+ * irdma_save_msix_info - copy msix vector information to iwarp device
+ * @rf: RDMA PCI function
+ *
+ * Allocate iwdev msix table and copy the ldev msix info to the table
+ * Return 0 if successful, otherwise return error
+ */
+static enum irdma_status_code irdma_save_msix_info(struct irdma_pci_f *rf)
+{
+ struct irdma_priv_ldev *ldev = &rf->ldev;
+ struct irdma_qvlist_info *iw_qvlist;
+ struct irdma_qv_info *iw_qvinfo;
+ struct msix_entry *pmsix;
+ u32 ceq_idx;
+ u32 i;
+ u32 size;
+
+ if (!ldev->msix_count) {
+ pr_err("No MSI-X vectors for RDMA\n");
+ return IRDMA_ERR_CFG;
+ }
+
+ rf->msix_count = ldev->msix_count;
+ size = sizeof(struct irdma_msix_vector) * rf->msix_count;
+ size += sizeof(struct irdma_qvlist_info);
+ size += sizeof(struct irdma_qv_info) * rf->msix_count - 1;
+ rf->iw_msixtbl = kzalloc(size, GFP_KERNEL);
+ if (!rf->iw_msixtbl)
+ return IRDMA_ERR_NO_MEMORY;
+
+ rf->iw_qvlist = (struct irdma_qvlist_info *)
+ (&rf->iw_msixtbl[rf->msix_count]);
+ iw_qvlist = rf->iw_qvlist;
+ iw_qvinfo = iw_qvlist->qv_info;
+ iw_qvlist->num_vectors = rf->msix_count;
+ if (rf->msix_count <= num_online_cpus())
+ rf->msix_shared = true;
+
+ for (i = 0, ceq_idx = 0, pmsix = ldev->msix_entries; i < rf->msix_count;
+ i++, iw_qvinfo++, pmsix++) {
+ rf->iw_msixtbl[i].idx = pmsix->entry;
+ rf->iw_msixtbl[i].irq = pmsix->vector;
+ rf->iw_msixtbl[i].cpu_affinity = ceq_idx;
+ if (!i) {
+ iw_qvinfo->aeq_idx = 0;
+ if (rf->msix_shared)
+ iw_qvinfo->ceq_idx = ceq_idx++;
+ else
+ iw_qvinfo->ceq_idx = IRDMA_Q_INVALID_IDX;
+ } else {
+ iw_qvinfo->aeq_idx = IRDMA_Q_INVALID_IDX;
+ iw_qvinfo->ceq_idx = ceq_idx++;
+ }
+ iw_qvinfo->itr_idx = 3;
+ iw_qvinfo->v_idx = rf->iw_msixtbl[i].idx;
+ }
+
+ return 0;
+}
+
+/**
+ * irdma_irq_handler - interrupt handler for aeq and ceq0
+ * @irq: Interrupt request number
+ * @data: RDMA PCI function
+ */
+static irqreturn_t irdma_irq_handler(int irq, void *data)
+{
+ struct irdma_pci_f *rf = data;
+
+ tasklet_schedule(&rf->dpc_tasklet);
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * irdma_ceq_handler - interrupt handler for ceq
+ * @irq: interrupt request number
+ * @data: ceq pointer
+ */
+static irqreturn_t irdma_ceq_handler(int irq, void *data)
+{
+ struct irdma_ceq *iwceq = data;
+
+ if (iwceq->irq != irq)
+ dev_err(rfdev_to_dev(&iwceq->rf->sc_dev),
+ "expected irq = %d received irq = %d\n", iwceq->irq,
+ irq);
+ tasklet_schedule(&iwceq->dpc_tasklet);
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * irdma_destroy_irq - destroy device interrupts
+ * @rf: RDMA PCI function
+ * @msix_vec: msix vector to disable irq
+ * @dev_id: parameter to pass to free_irq (used during irq setup)
+ *
+ * The function is called when destroying aeq/ceq
+ */
+static void irdma_destroy_irq(struct irdma_pci_f *rf,
+ struct irdma_msix_vector *msix_vec, void *dev_id)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+
+ dev->irq_ops->irdma_dis_irq(dev, msix_vec->idx);
+ irq_set_affinity_hint(msix_vec->irq, NULL);
+ free_irq(msix_vec->irq, dev_id);
+}
+
+/**
+ * irdma_destroy_cqp - destroy control qp
+ * @rf: RDMA PCI function
+ * @free_hwcqp: 1 if hw cqp should be freed
+ *
+ * Issue destroy cqp request and
+ * free the resources associated with the cqp
+ */
+static void irdma_destroy_cqp(struct irdma_pci_f *rf, bool free_hwcqp)
+{
+ enum irdma_status_code status = 0;
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_cqp *cqp = &rf->cqp;
+
+ if (free_hwcqp && dev->cqp_ops->cqp_destroy)
+ status = dev->cqp_ops->cqp_destroy(dev->cqp);
+ if (status)
+ dev_dbg(rfdev_to_dev(dev), "ERR: Destroy CQP failed %d\n",
+ status);
+
+ irdma_cleanup_pending_cqp_op(rf);
+ dma_free_coherent(hw_to_dev(dev->hw), cqp->sq.size, cqp->sq.va,
+ cqp->sq.pa);
+ cqp->sq.va = NULL;
+ kfree(cqp->scratch_array);
+ cqp->scratch_array = NULL;
+ kfree(cqp->cqp_requests);
+ cqp->cqp_requests = NULL;
+}
+
+/**
+ * irdma_destroy_aeq - destroy aeq
+ * @rf: RDMA PCI function
+ *
+ * Issue a destroy aeq request and
+ * free the resources associated with the aeq
+ * The function is called during driver unload
+ */
+static void irdma_destroy_aeq(struct irdma_pci_f *rf)
+{
+ enum irdma_status_code status = IRDMA_ERR_NOT_READY;
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_aeq *aeq = &rf->aeq;
+
+ if (!rf->msix_shared)
+ irdma_destroy_irq(rf, rf->iw_msixtbl, (void *)rf);
+ if (rf->reset)
+ goto exit;
+
+ if (!dev->aeq_ops->aeq_destroy(&aeq->sc_aeq, 0, 1))
+ status = dev->aeq_ops->aeq_destroy_done(&aeq->sc_aeq);
+ if (status)
+ dev_dbg(rfdev_to_dev(dev), "ERR: Destroy AEQ failed %d\n",
+ status);
+
+exit:
+ dma_free_coherent(hw_to_dev(dev->hw), aeq->mem.size, aeq->mem.va,
+ aeq->mem.pa);
+ aeq->mem.va = NULL;
+}
+
+/**
+ * irdma_destroy_ceq - destroy ceq
+ * @rf: RDMA PCI function
+ * @iwceq: ceq to be destroyed
+ *
+ * Issue a destroy ceq request and
+ * free the resources associated with the ceq
+ */
+static void irdma_destroy_ceq(struct irdma_pci_f *rf, struct irdma_ceq *iwceq)
+{
+ enum irdma_status_code status;
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+
+ if (rf->reset)
+ goto exit;
+
+ status = dev->ceq_ops->ceq_destroy(&iwceq->sc_ceq, 0, 1);
+ if (status) {
+ dev_dbg(rfdev_to_dev(dev),
+ "ERR: CEQ destroy command failed %d\n", status);
+ goto exit;
+ }
+
+ status = dev->ceq_ops->cceq_destroy_done(&iwceq->sc_ceq);
+ if (status)
+ dev_dbg(rfdev_to_dev(dev),
+ "ERR: CEQ destroy completion failed %d\n", status);
+exit:
+ dma_free_coherent(hw_to_dev(dev->hw), iwceq->mem.size, iwceq->mem.va,
+ iwceq->mem.pa);
+ iwceq->mem.va = NULL;
+}
+
+/**
+ * irdma_del_ceq_0 - destroy ceq 0
+ * @rf: RDMA PCI function
+ *
+ * Disable the ceq 0 interrupt and destroy the ceq 0
+ */
+static void irdma_del_ceq_0(struct irdma_pci_f *rf)
+{
+ struct irdma_ceq *iwceq = rf->ceqlist;
+ struct irdma_msix_vector *msix_vec;
+
+ if (rf->msix_shared) {
+ msix_vec = &rf->iw_msixtbl[0];
+ irdma_destroy_irq(rf, msix_vec, (void *)rf);
+ } else {
+ msix_vec = &rf->iw_msixtbl[1];
+ irdma_destroy_irq(rf, msix_vec, (void *)iwceq);
+ }
+ irdma_destroy_ceq(rf, iwceq);
+ rf->sc_dev.ceq_valid = false;
+ rf->ceqs_count = 0;
+}
+
+/**
+ * irdma_del_ceqs - destroy all ceq's except CEQ 0 // RT mode FSL
+ * @rf: RDMA PCI function
+ *
+ * Go through all of the device ceq's, except 0, and for each
+ * ceq disable the ceq interrupt and destroy the ceq
+ */
+static void irdma_del_ceqs(struct irdma_pci_f *rf)
+{
+ struct irdma_ceq *iwceq = &rf->ceqlist[1];
+ struct irdma_msix_vector *msix_vec;
+ u32 i = 0;
+
+ if (rf->msix_shared)
+ msix_vec = &rf->iw_msixtbl[1];
+ else
+ msix_vec = &rf->iw_msixtbl[2];
+
+ for (i = 1; i < rf->ceqs_count; i++, msix_vec++, iwceq++) {
+ irdma_destroy_irq(rf, msix_vec, (void *)iwceq);
+ irdma_cqp_ceq_cmd(&rf->sc_dev, &iwceq->sc_ceq,
+ IRDMA_OP_CEQ_DESTROY);
+ dma_free_coherent(hw_to_dev(rf->sc_dev.hw), iwceq->mem.size,
+ iwceq->mem.va, iwceq->mem.pa);
+ iwceq->mem.va = NULL;
+ }
+ rf->ceqs_count = 1;
+}
+
+/**
+ * irdma_destroy_ccq - destroy control cq
+ * @rf: RDMA PCI function
+ *
+ * Issue destroy ccq request and
+ * free the resources associated with the ccq
+ */
+static void irdma_destroy_ccq(struct irdma_pci_f *rf)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_ccq *ccq = &rf->ccq;
+ enum irdma_status_code status = 0;
+
+ if (!rf->reset)
+ status = dev->ccq_ops->ccq_destroy(dev->ccq, 0, true);
+ if (status)
+ dev_dbg(rfdev_to_dev(dev), "ERR: CCQ destroy failed %d\n",
+ status);
+ dma_free_coherent(hw_to_dev(dev->hw), ccq->mem_cq.size,
+ ccq->mem_cq.va, ccq->mem_cq.pa);
+ ccq->mem_cq.va = NULL;
+}
+
+/**
+ * irdma_close_hmc_objects_type - delete hmc objects of a given type
+ * @dev: iwarp device
+ * @obj_type: the hmc object type to be deleted
+ * @hmc_info: host memory info struct
+ * @is_pf: true if the function is PF otherwise false
+ * @reset: true if called before reset
+ */
+static void irdma_close_hmc_objects_type(struct irdma_sc_dev *dev,
+ enum irdma_hmc_rsrc_type obj_type,
+ struct irdma_hmc_info *hmc_info,
+ bool is_pf, bool reset)
+{
+ struct irdma_hmc_del_obj_info info = {};
+
+ info.hmc_info = hmc_info;
+ info.rsrc_type = obj_type;
+ info.count = hmc_info->hmc_obj[obj_type].cnt;
+ info.is_pf = is_pf;
+ if (dev->hmc_ops->del_hmc_object(dev, &info, reset))
+ dev_dbg(rfdev_to_dev(dev),
+ "ERR: del HMC obj of type %d failed\n", obj_type);
+}
+
+/**
+ * irdma_del_hmc_objects - remove all device hmc objects
+ * @dev: iwarp device
+ * @hmc_info: hmc_info to free
+ * @is_pf: true if hmc_info belongs to PF, not vf nor allocated
+ * by PF on behalf of VF
+ * @reset: true if called before reset
+ * @vers: hardware version
+ */
+static void irdma_del_hmc_objects(struct irdma_sc_dev *dev,
+ struct irdma_hmc_info *hmc_info, bool is_pf,
+ bool reset, enum irdma_vers vers)
+{
+ unsigned int i;
+
+ for (i = 0; i < IW_HMC_OBJ_TYPE_NUM; i++) {
+ if (dev->hmc_info->hmc_obj[iw_hmc_obj_types[i]].cnt)
+ irdma_close_hmc_objects_type(dev, iw_hmc_obj_types[i],
+ hmc_info, is_pf, reset);
+ if (vers == IRDMA_GEN_1 && i == IRDMA_HMC_IW_TIMER)
+ break;
+ }
+}
+
+/**
+ * irdma_create_hmc_obj_type - create hmc object of a given type
+ * @dev: hardware control device structure
+ * @info: information for the hmc object to create
+ */
+static enum irdma_status_code
+irdma_create_hmc_obj_type(struct irdma_sc_dev *dev,
+ struct irdma_hmc_create_obj_info *info)
+{
+ return dev->hmc_ops->create_hmc_object(dev, info);
+}
+
+/**
+ * irdma_create_hmc_objs - create all hmc objects for the device
+ * @rf: RDMA PCI function
+ * @is_pf: true if the function is PF otherwise false
+ * @vers: HW version
+ *
+ * Create the device hmc objects and allocate hmc pages
+ * Return 0 if successful, otherwise clean up and return error
+ */
+static enum irdma_status_code
+irdma_create_hmc_objs(struct irdma_pci_f *rf, bool is_pf, enum irdma_vers vers)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_hmc_create_obj_info info = {};
+ enum irdma_status_code status = 0;
+ int i;
+
+ info.hmc_info = dev->hmc_info;
+ info.is_pf = is_pf;
+ info.entry_type = rf->sd_type;
+
+ for (i = 0; i < IW_HMC_OBJ_TYPE_NUM; i++) {
+ if (dev->hmc_info->hmc_obj[iw_hmc_obj_types[i]].cnt) {
+ info.rsrc_type = iw_hmc_obj_types[i];
+ info.count = dev->hmc_info->hmc_obj[info.rsrc_type].cnt;
+ info.add_sd_cnt = 0;
+ status = irdma_create_hmc_obj_type(dev, &info);
+ if (status) {
+ dev_dbg(rfdev_to_dev(dev),
+ "ERR: create obj type %d status = %d\n",
+ iw_hmc_obj_types[i], status);
+ break;
+ }
+ }
+ if (vers == IRDMA_GEN_1 && i == IRDMA_HMC_IW_TIMER)
+ break;
+ }
+
+ if (!status)
+ return dev->hmc_ops->static_hmc_pages_allocated(dev->cqp, 0,
+ dev->hmc_fn_id,
+ true, true);
+
+ while (i) {
+ i--;
+ /* destroy the hmc objects of a given type */
+ irdma_close_hmc_objects_type(dev, iw_hmc_obj_types[i],
+ dev->hmc_info, is_pf, false);
+ }
+
+ return status;
+}
+
+/**
+ * irdma_obj_aligned_mem - get aligned memory from device allocated memory
+ * @rf: RDMA PCI function
+ * @memptr: points to the memory addresses
+ * @size: size of memory needed
+ * @mask: mask for the aligned memory
+ *
+ * Get aligned memory of the requested size and
+ * update the memptr to point to the new aligned memory
+ * Return 0 if successful, otherwise return no memory error
+ */
+static enum irdma_status_code
+irdma_obj_aligned_mem(struct irdma_pci_f *rf, struct irdma_dma_mem *memptr,
+ u32 size, u32 mask)
+{
+ unsigned long va, newva;
+ unsigned long extra;
+
+ va = (unsigned long)rf->obj_next.va;
+ newva = va;
+ if (mask)
+ newva = ALIGN(va, (unsigned long)mask + 1ULL);
+ extra = newva - va;
+ memptr->va = (u8 *)va + extra;
+ memptr->pa = rf->obj_next.pa + extra;
+ memptr->size = size;
+ if ((memptr->va + size) > (rf->obj_mem.va + rf->obj_mem.size))
+ return IRDMA_ERR_NO_MEMORY;
+
+ rf->obj_next.va = memptr->va + size;
+ rf->obj_next.pa = memptr->pa + size;
+
+ return 0;
+}
+
+/**
+ * irdma_create_cqp - create control qp
+ * @rf: RDMA PCI function
+ *
+ * Return 0, if the cqp and all the resources associated with it
+ * are successfully created, otherwise return error
+ */
+static enum irdma_status_code irdma_create_cqp(struct irdma_pci_f *rf)
+{
+ enum irdma_status_code status;
+ u32 sqsize = IRDMA_CQP_SW_SQSIZE_2048;
+ struct irdma_dma_mem mem;
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_cqp_init_info cqp_init_info = {};
+ struct irdma_cqp *cqp = &rf->cqp;
+ u16 maj_err, min_err;
+ int i;
+
+ cqp->cqp_requests = kcalloc(sqsize, sizeof(*cqp->cqp_requests), GFP_KERNEL);
+ if (!cqp->cqp_requests)
+ return IRDMA_ERR_NO_MEMORY;
+
+ cqp->scratch_array = kcalloc(sqsize, sizeof(*cqp->scratch_array), GFP_KERNEL);
+ if (!cqp->scratch_array) {
+ kfree(cqp->cqp_requests);
+ return IRDMA_ERR_NO_MEMORY;
+ }
+
+ dev->cqp = &cqp->sc_cqp;
+ dev->cqp->dev = dev;
+ cqp->sq.size = ALIGN(sizeof(struct irdma_cqp_sq_wqe) * sqsize,
+ IRDMA_CQP_ALIGNMENT);
+ cqp->sq.va = dma_alloc_coherent(hw_to_dev(dev->hw), cqp->sq.size,
+ &cqp->sq.pa, GFP_KERNEL);
+ if (!cqp->sq.va) {
+ kfree(cqp->scratch_array);
+ kfree(cqp->cqp_requests);
+ return IRDMA_ERR_NO_MEMORY;
+ }
+
+ status = irdma_obj_aligned_mem(rf, &mem, sizeof(struct irdma_cqp_ctx),
+ IRDMA_HOST_CTX_ALIGNMENT_M);
+ if (status)
+ goto exit;
+
+ dev->cqp->host_ctx_pa = mem.pa;
+ dev->cqp->host_ctx = mem.va;
+ /* populate the cqp init info */
+ cqp_init_info.dev = dev;
+ cqp_init_info.sq_size = sqsize;
+ cqp_init_info.sq = cqp->sq.va;
+ cqp_init_info.sq_pa = cqp->sq.pa;
+ cqp_init_info.host_ctx_pa = mem.pa;
+ cqp_init_info.host_ctx = mem.va;
+ cqp_init_info.hmc_profile = rf->rsrc_profile;
+ cqp_init_info.ena_vf_count = rf->max_rdma_vfs;
+ cqp_init_info.scratch_array = cqp->scratch_array;
+ cqp_init_info.disable_packed = true;
+ cqp_init_info.protocol_used = rf->protocol_used;
+ status = dev->cqp_ops->cqp_init(dev->cqp, &cqp_init_info);
+ if (status) {
+ dev_dbg(rfdev_to_dev(dev), "ERR: cqp init status %d\n",
+ status);
+ goto exit;
+ }
+
+ status = dev->cqp_ops->cqp_create(dev->cqp, &maj_err, &min_err);
+ if (status) {
+ dev_dbg(rfdev_to_dev(dev),
+ "ERR: cqp create failed - status %d maj_err %d min_err %d\n",
+ status, maj_err, min_err);
+ goto exit;
+ }
+
+ spin_lock_init(&cqp->req_lock);
+ spin_lock_init(&cqp->compl_lock);
+ INIT_LIST_HEAD(&cqp->cqp_avail_reqs);
+ INIT_LIST_HEAD(&cqp->cqp_pending_reqs);
+ sema_init(&cqp->cqp_compl_sem, 0);
+
+ /* init the waitqueue of the cqp_requests and add them to the list */
+ for (i = 0; i < sqsize; i++) {
+ init_waitqueue_head(&cqp->cqp_requests[i].waitq);
+ list_add_tail(&cqp->cqp_requests[i].list, &cqp->cqp_avail_reqs);
+ }
+ init_waitqueue_head(&cqp->remove_wq);
+ return 0;
+
+exit:
+ irdma_destroy_cqp(rf, false);
+
+ return status;
+}
+
+/**
+ * irdma_create_ccq - create control cq
+ * @rf: RDMA PCI function
+ *
+ * Return 0, if the ccq and the resources associated with it
+ * are successfully created, otherwise return error
+ */
+static enum irdma_status_code irdma_create_ccq(struct irdma_pci_f *rf)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ enum irdma_status_code status;
+ struct irdma_ccq_init_info info = {};
+ struct irdma_ccq *ccq = &rf->ccq;
+
+ dev->ccq = &ccq->sc_cq;
+ dev->ccq->dev = dev;
+ info.dev = dev;
+ ccq->shadow_area.size = sizeof(struct irdma_cq_shadow_area);
+ ccq->mem_cq.size = ALIGN(sizeof(struct irdma_cqe) * IW_CCQ_SIZE,
+ IRDMA_CQ0_ALIGNMENT);
+ ccq->mem_cq.va = dma_alloc_coherent(hw_to_dev(dev->hw),
+ ccq->mem_cq.size, &ccq->mem_cq.pa,
+ GFP_KERNEL);
+ if (!ccq->mem_cq.va)
+ return IRDMA_ERR_NO_MEMORY;
+
+ status = irdma_obj_aligned_mem(rf, &ccq->shadow_area,
+ ccq->shadow_area.size,
+ IRDMA_SHADOWAREA_M);
+ if (status)
+ goto exit;
+
+ ccq->sc_cq.back_cq = (void *)ccq;
+ /* populate the ccq init info */
+ info.cq_base = ccq->mem_cq.va;
+ info.cq_pa = ccq->mem_cq.pa;
+ info.num_elem = IW_CCQ_SIZE;
+ info.shadow_area = ccq->shadow_area.va;
+ info.shadow_area_pa = ccq->shadow_area.pa;
+ info.ceqe_mask = false;
+ info.ceq_id_valid = true;
+ info.shadow_read_threshold = 16;
+ info.vsi = &rf->default_vsi;
+ status = dev->ccq_ops->ccq_init(dev->ccq, &info);
+ if (!status)
+ status = dev->ccq_ops->ccq_create(dev->ccq, 0, true, true);
+exit:
+ if (status) {
+ dma_free_coherent(hw_to_dev(dev->hw), ccq->mem_cq.size,
+ ccq->mem_cq.va, ccq->mem_cq.pa);
+ ccq->mem_cq.va = NULL;
+ }
+
+ return status;
+}
+
+/**
+ * irdma_alloc_set_mac - set up a mac address table entry
+ * @iwdev: device
+ *
+ * Allocate a mac ip entry and add it to the hw table Return 0
+ * if successful, otherwise return error
+ */
+static enum irdma_status_code irdma_alloc_set_mac(struct irdma_device *iwdev)
+{
+ enum irdma_status_code status;
+
+ status = irdma_alloc_local_mac_entry(iwdev->rf,
+ &iwdev->mac_ip_table_idx);
+ if (!status) {
+ status = irdma_add_local_mac_entry(iwdev->rf,
+ (u8 *)iwdev->netdev->dev_addr,
+ (u8)iwdev->mac_ip_table_idx);
+ if (status)
+ irdma_del_local_mac_entry(iwdev->rf,
+ (u8)iwdev->mac_ip_table_idx);
+ }
+ return status;
+}
+
+/**
+ * irdma_configure_ceq_vector - set up the msix interrupt vector for ceq
+ * @rf: RDMA PCI function
+ * @iwceq: ceq associated with the vector
+ * @ceq_id: the id number of the iwceq
+ * @msix_vec: interrupt vector information
+ *
+ * Allocate interrupt resources and enable irq handling
+ * Return 0 if successful, otherwise return error
+ */
+static enum irdma_status_code
+irdma_cfg_ceq_vector(struct irdma_pci_f *rf, struct irdma_ceq *iwceq,
+ u32 ceq_id, struct irdma_msix_vector *msix_vec)
+{
+ int status;
+
+ if (rf->msix_shared && !ceq_id) {
+ tasklet_init(&rf->dpc_tasklet, irdma_dpc, (unsigned long)rf);
+ status = request_irq(msix_vec->irq, irdma_irq_handler, 0,
+ "AEQCEQ", rf);
+ } else {
+ tasklet_init(&iwceq->dpc_tasklet, irdma_ceq_dpc,
+ (unsigned long)iwceq);
+
+ status = request_irq(msix_vec->irq, irdma_ceq_handler, 0, "CEQ",
+ iwceq);
+ }
+
+ cpumask_clear(&msix_vec->mask);
+ cpumask_set_cpu(msix_vec->cpu_affinity, &msix_vec->mask);
+ irq_set_affinity_hint(msix_vec->irq, &msix_vec->mask);
+ if (status) {
+ dev_dbg(rfdev_to_dev(&rf->sc_dev),
+ "ERR: ceq irq config fail\n");
+ return IRDMA_ERR_CFG;
+ }
+
+ msix_vec->ceq_id = ceq_id;
+ rf->sc_dev.irq_ops->irdma_cfg_ceq(&rf->sc_dev, ceq_id, msix_vec->idx);
+
+ return 0;
+}
+
+/**
+ * irdma_configure_aeq_vector - set up the msix vector for aeq
+ * @rf: RDMA PCI function
+ *
+ * Allocate interrupt resources and enable irq handling
+ * Return 0 if successful, otherwise return error
+ */
+static enum irdma_status_code irdma_cfg_aeq_vector(struct irdma_pci_f *rf)
+{
+ struct irdma_msix_vector *msix_vec = rf->iw_msixtbl;
+ u32 ret = 0;
+
+ if (!rf->msix_shared) {
+ tasklet_init(&rf->dpc_tasklet, irdma_dpc, (unsigned long)rf);
+ ret = request_irq(msix_vec->irq, irdma_irq_handler, 0, "irdma",
+ rf);
+ }
+ if (ret) {
+ dev_dbg(rfdev_to_dev(&rf->sc_dev),
+ "ERR: aeq irq config fail\n");
+ return IRDMA_ERR_CFG;
+ }
+
+ rf->sc_dev.irq_ops->irdma_cfg_aeq(&rf->sc_dev, msix_vec->idx);
+
+ return 0;
+}
+
+/**
+ * irdma_create_ceq - create completion event queue
+ * @rf: RDMA PCI function
+ * @iwceq: pointer to the ceq resources to be created
+ * @ceq_id: the id number of the iwceq
+ * @vsi: SC vsi struct
+ *
+ * Return 0, if the ceq and the resources associated with it
+ * are successfully created, otherwise return error
+ */
+static enum irdma_status_code irdma_create_ceq(struct irdma_pci_f *rf,
+ struct irdma_ceq *iwceq,
+ u32 ceq_id,
+ struct irdma_sc_vsi *vsi)
+{
+ enum irdma_status_code status;
+ struct irdma_ceq_init_info info = {};
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ u64 scratch;
+
+ info.ceq_id = ceq_id;
+ iwceq->rf = rf;
+ iwceq->mem.size = ALIGN(sizeof(struct irdma_ceqe) * rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt,
+ IRDMA_CEQ_ALIGNMENT);
+ iwceq->mem.va = dma_alloc_coherent(hw_to_dev(dev->hw),
+ iwceq->mem.size, &iwceq->mem.pa,
+ GFP_KERNEL);
+ if (!iwceq->mem.va)
+ return IRDMA_ERR_NO_MEMORY;
+
+ info.ceq_id = ceq_id;
+ info.ceqe_base = iwceq->mem.va;
+ info.ceqe_pa = iwceq->mem.pa;
+ info.elem_cnt = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt;
+ iwceq->sc_ceq.ceq_id = ceq_id;
+ info.dev = dev;
+ info.vsi = vsi;
+ scratch = (uintptr_t)&rf->cqp.sc_cqp;
+ status = dev->ceq_ops->ceq_init(&iwceq->sc_ceq, &info);
+ if (!status) {
+ if (dev->ceq_valid)
+ status = irdma_cqp_ceq_cmd(&rf->sc_dev, &iwceq->sc_ceq,
+ IRDMA_OP_CEQ_CREATE);
+ else
+ status = dev->ceq_ops->cceq_create(&iwceq->sc_ceq,
+ scratch);
+ }
+
+ if (status) {
+ dma_free_coherent(hw_to_dev(dev->hw), iwceq->mem.size,
+ iwceq->mem.va, iwceq->mem.pa);
+ iwceq->mem.va = NULL;
+ }
+
+ return status;
+}
+
+/**
+ * irdma_setup_ceq_0 - create CEQ 0 and it's interrupt resource
+ * @rf: RDMA PCI function
+ *
+ * Allocate a list for all device completion event queues
+ * Create the ceq 0 and configure it's msix interrupt vector
+ * Return 0, if successfully set up, otherwise return error
+ */
+static enum irdma_status_code irdma_setup_ceq_0(struct irdma_pci_f *rf)
+{
+ u32 i;
+ struct irdma_ceq *iwceq;
+ struct irdma_msix_vector *msix_vec;
+ enum irdma_status_code status = 0;
+ u32 num_ceqs;
+
+ num_ceqs = min(rf->msix_count, rf->sc_dev.hmc_fpm_misc.max_ceqs);
+ rf->ceqlist = kcalloc(num_ceqs, sizeof(*rf->ceqlist), GFP_KERNEL);
+ if (!rf->ceqlist) {
+ status = IRDMA_ERR_NO_MEMORY;
+ goto exit;
+ }
+
+ i = rf->msix_shared ? 0 : 1;
+ iwceq = &rf->ceqlist[0];
+ status = irdma_create_ceq(rf, iwceq, 0, &rf->default_vsi);
+ if (status) {
+ dev_dbg(rfdev_to_dev(&rf->sc_dev),
+ "ERR: create ceq status = %d\n", status);
+ goto exit;
+ }
+
+ msix_vec = &rf->iw_msixtbl[i];
+ iwceq->irq = msix_vec->irq;
+ iwceq->msix_idx = msix_vec->idx;
+ status = irdma_cfg_ceq_vector(rf, iwceq, 0, msix_vec);
+ if (status) {
+ irdma_destroy_ceq(rf, iwceq);
+ goto exit;
+ }
+
+ irdma_ena_intr(&rf->sc_dev, msix_vec->idx);
+ rf->ceqs_count++;
+
+exit:
+ if (status && !rf->ceqs_count) {
+ kfree(rf->ceqlist);
+ rf->ceqlist = NULL;
+ return status;
+ }
+ rf->sc_dev.ceq_valid = true;
+
+ return 0;
+}
+
+/**
+ * irdma_setup_ceqs - manage the device ceq's and their interrupt resources
+ * @rf: RDMA PCI function
+ * @vsi: VSI structure for this CEQ
+ *
+ * Allocate a list for all device completion event queues
+ * Create the ceq's and configure their msix interrupt vectors
+ * Return 0, if at least one ceq is successfully set up, otherwise return error
+ */
+static enum irdma_status_code irdma_setup_ceqs(struct irdma_pci_f *rf,
+ struct irdma_sc_vsi *vsi)
+{
+ u32 i;
+ u32 ceq_id;
+ struct irdma_ceq *iwceq;
+ struct irdma_msix_vector *msix_vec;
+ enum irdma_status_code status = 0;
+ u32 num_ceqs;
+
+ num_ceqs = min(rf->msix_count, rf->sc_dev.hmc_fpm_misc.max_ceqs);
+ i = (rf->msix_shared) ? 1 : 2;
+ for (ceq_id = 1; i < num_ceqs; i++, ceq_id++) {
+ iwceq = &rf->ceqlist[ceq_id];
+ status = irdma_create_ceq(rf, iwceq, ceq_id, vsi);
+ if (status) {
+ dev_dbg(rfdev_to_dev(&rf->sc_dev),
+ "ERR: create ceq status = %d\n", status);
+ break;
+ }
+ msix_vec = &rf->iw_msixtbl[i];
+ iwceq->irq = msix_vec->irq;
+ iwceq->msix_idx = msix_vec->idx;
+ status = irdma_cfg_ceq_vector(rf, iwceq, ceq_id, msix_vec);
+ if (status) {
+ irdma_destroy_ceq(rf, iwceq);
+ break;
+ }
+ irdma_ena_intr(&rf->sc_dev, msix_vec->idx);
+ rf->ceqs_count++;
+ }
+
+ return status;
+}
+
+/**
+ * irdma_create_aeq - create async event queue
+ * @rf: RDMA PCI function
+ *
+ * Return 0, if the aeq and the resources associated with it
+ * are successfully created, otherwise return error
+ */
+static enum irdma_status_code irdma_create_aeq(struct irdma_pci_f *rf)
+{
+ enum irdma_status_code status;
+ struct irdma_aeq_init_info info = {};
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_aeq *aeq = &rf->aeq;
+ struct irdma_hmc_info *hmc_info = rf->sc_dev.hmc_info;
+ u64 scratch = 0;
+ u32 aeq_size;
+
+ aeq_size = 2 * hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt +
+ hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt;
+ aeq->mem.size = ALIGN(sizeof(struct irdma_sc_aeqe) * aeq_size,
+ IRDMA_AEQ_ALIGNMENT);
+ aeq->mem.va = dma_alloc_coherent(hw_to_dev(dev->hw), aeq->mem.size,
+ &aeq->mem.pa, GFP_KERNEL);
+ if (!aeq->mem.va)
+ return IRDMA_ERR_NO_MEMORY;
+
+ info.aeqe_base = aeq->mem.va;
+ info.aeq_elem_pa = aeq->mem.pa;
+ info.elem_cnt = aeq_size;
+ info.dev = dev;
+ status = dev->aeq_ops->aeq_init(&aeq->sc_aeq, &info);
+ if (status)
+ goto exit;
+
+ status = dev->aeq_ops->aeq_create(&aeq->sc_aeq, scratch, 1);
+ if (!status)
+ status = dev->aeq_ops->aeq_create_done(&aeq->sc_aeq);
+exit:
+ if (status) {
+ dma_free_coherent(hw_to_dev(dev->hw), aeq->mem.size,
+ aeq->mem.va, aeq->mem.pa);
+ aeq->mem.va = NULL;
+ }
+
+ return status;
+}
+
+/**
+ * irdma_setup_aeq - set up the device aeq
+ * @rf: RDMA PCI function
+ *
+ * Create the aeq and configure its msix interrupt vector
+ * Return 0 if successful, otherwise return error
+ */
+static enum irdma_status_code irdma_setup_aeq(struct irdma_pci_f *rf)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ enum irdma_status_code status;
+
+ status = irdma_create_aeq(rf);
+ if (status)
+ return status;
+
+ status = irdma_cfg_aeq_vector(rf);
+ if (status) {
+ irdma_destroy_aeq(rf);
+ return status;
+ }
+
+ if (!rf->msix_shared)
+ irdma_ena_intr(dev, rf->iw_msixtbl[0].idx);
+
+ return 0;
+}
+
+/**
+ * irdma_initialize_ilq - create iwarp local queue for cm
+ * @iwdev: iwarp device
+ *
+ * Return 0 if successful, otherwise return error
+ */
+static enum irdma_status_code irdma_initialize_ilq(struct irdma_device *iwdev)
+{
+ struct irdma_puda_rsrc_info info = {};
+ enum irdma_status_code status;
+
+ info.type = IRDMA_PUDA_RSRC_TYPE_ILQ;
+ info.cq_id = 1;
+ info.qp_id = 1;
+ info.count = 1;
+ info.pd_id = 1;
+ info.sq_size = min(iwdev->rf->max_qp / 2, (u32)32768);
+ info.rq_size = info.sq_size;
+ info.buf_size = 1024;
+ info.tx_buf_cnt = 2 * info.sq_size;
+ info.receive = irdma_receive_ilq;
+ info.xmit_complete = irdma_free_sqbuf;
+ status = irdma_puda_create_rsrc(&iwdev->vsi, &info);
+ if (status)
+ dev_dbg(rfdev_to_dev(&iwdev->rf->sc_dev),
+ "ERR: ilq create fail\n");
+
+ return status;
+}
+
+/**
+ * irdma_initialize_ieq - create iwarp exception queue
+ * @iwdev: iwarp device
+ *
+ * Return 0 if successful, otherwise return error
+ */
+static enum irdma_status_code irdma_initialize_ieq(struct irdma_device *iwdev)
+{
+ struct irdma_puda_rsrc_info info = {};
+ enum irdma_status_code status;
+
+ info.type = IRDMA_PUDA_RSRC_TYPE_IEQ;
+ info.cq_id = 2;
+ info.qp_id = iwdev->vsi.exception_lan_q;
+ info.count = 1;
+ info.pd_id = 2;
+ info.sq_size = min(iwdev->rf->max_qp / 2, (u32)32768);
+ info.rq_size = info.sq_size;
+ info.buf_size = iwdev->vsi.mtu + IRDMA_IPV4_PAD;
+ info.tx_buf_cnt = 4096;
+ status = irdma_puda_create_rsrc(&iwdev->vsi, &info);
+ if (status)
+ dev_dbg(rfdev_to_dev(&iwdev->rf->sc_dev),
+ "ERR: ieq create fail\n");
+
+ return status;
+}
+
+/**
+ * irdma_reinitialize_ieq - destroy and re-create ieq
+ * @vsi: VSI structure
+ */
+void irdma_reinitialize_ieq(struct irdma_sc_vsi *vsi)
+{
+ struct irdma_device *iwdev = vsi->back_vsi;
+
+ irdma_puda_dele_rsrc(vsi, IRDMA_PUDA_RSRC_TYPE_IEQ, false);
+ if (irdma_initialize_ieq(iwdev)) {
+ iwdev->reset = true;
+ irdma_request_reset(iwdev->rf);
+ }
+}
+
+/**
+ * irdma_hmc_setup - create hmc objects for the device
+ * @rf: RDMA PCI function
+ *
+ * Set up the device private memory space for the number and size of
+ * the hmc objects and create the objects
+ * Return 0 if successful, otherwise return error
+ */
+static enum irdma_status_code irdma_hmc_setup(struct irdma_pci_f *rf)
+{
+ enum irdma_status_code status;
+ u32 qpcnt;
+
+ if (rf->rdma_ver == IRDMA_GEN_1)
+ qpcnt = rsrc_limits_table[rf->limits_sel].qplimit * 2;
+ else
+ qpcnt = rsrc_limits_table[rf->limits_sel].qplimit;
+
+ rf->sd_type = IRDMA_SD_TYPE_DIRECT;
+ status = irdma_cfg_fpm_val(&rf->sc_dev, qpcnt);
+ if (status)
+ return status;
+
+ status = irdma_create_hmc_objs(rf, true, rf->rdma_ver);
+
+ return status;
+}
+
+/**
+ * irdma_del_init_mem - deallocate memory resources
+ * @rf: RDMA PCI function
+ */
+static void irdma_del_init_mem(struct irdma_pci_f *rf)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+
+ kfree(dev->hmc_info->sd_table.sd_entry);
+ dev->hmc_info->sd_table.sd_entry = NULL;
+ kfree(rf->mem_rsrc);
+ rf->mem_rsrc = NULL;
+ dma_free_coherent(hw_to_dev(&rf->hw), rf->obj_mem.size,
+ rf->obj_mem.va, rf->obj_mem.pa);
+ rf->obj_mem.va = NULL;
+ if (rf->rdma_ver != IRDMA_GEN_1) {
+ kfree(rf->allocated_ws_nodes);
+ rf->allocated_ws_nodes = NULL;
+ }
+ kfree(rf->ceqlist);
+ rf->ceqlist = NULL;
+ kfree(rf->iw_msixtbl);
+ rf->iw_msixtbl = NULL;
+ kfree(rf->hmc_info_mem);
+ rf->hmc_info_mem = NULL;
+}
+
+/**
+ * irdma_initialize_dev - initialize device
+ * @rf: RDMA PCI function
+ * @ldev: lan device information
+ *
+ * Allocate memory for the hmc objects and initialize iwdev
+ * Return 0 if successful, otherwise clean up the resources
+ * and return error
+ */
+static enum irdma_status_code irdma_initialize_dev(struct irdma_pci_f *rf,
+ struct irdma_priv_ldev *ldev)
+{
+ enum irdma_status_code status;
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ struct irdma_device_init_info info = {};
+ struct irdma_dma_mem mem;
+ u32 size;
+
+ size = sizeof(struct irdma_hmc_pble_rsrc) +
+ sizeof(struct irdma_hmc_info) +
+ (sizeof(struct irdma_hmc_obj_info) * IRDMA_HMC_IW_MAX);
+
+ rf->hmc_info_mem = kzalloc(size, GFP_KERNEL);
+ if (!rf->hmc_info_mem)
+ return IRDMA_ERR_NO_MEMORY;
+
+ rf->pble_rsrc = (struct irdma_hmc_pble_rsrc *)rf->hmc_info_mem;
+ dev->hmc_info = &rf->hw.hmc;
+ dev->hmc_info->hmc_obj = (struct irdma_hmc_obj_info *)
+ (rf->pble_rsrc + 1);
+
+ status = irdma_obj_aligned_mem(rf, &mem, IRDMA_QUERY_FPM_BUF_SIZE,
+ IRDMA_FPM_QUERY_BUF_ALIGNMENT_M);
+ if (status)
+ goto error;
+
+ info.fpm_query_buf_pa = mem.pa;
+ info.fpm_query_buf = mem.va;
+ info.init_hw = rf->init_hw;
+
+ status = irdma_obj_aligned_mem(rf, &mem, IRDMA_COMMIT_FPM_BUF_SIZE,
+ IRDMA_FPM_COMMIT_BUF_ALIGNMENT_M);
+ if (status)
+ goto error;
+
+ info.fpm_commit_buf_pa = mem.pa;
+ info.fpm_commit_buf = mem.va;
+
+ info.bar0 = rf->hw.hw_addr;
+ info.hmc_fn_id = (u8)ldev->fn_num;
+ info.is_pf = !ldev->ftype;
+ info.hw = &rf->hw;
+ info.vchnl_send = NULL;
+ status = irdma_sc_ctrl_init(rf->rdma_ver, &rf->sc_dev, &info);
+ if (status)
+ goto error;
+
+ return status;
+error:
+ kfree(rf->hmc_info_mem);
+ rf->hmc_info_mem = NULL;
+
+ return status;
+}
+
+/**
+ * irdma_deinit_rt_device - clean up the device resources
+ * @iwdev: iwarp device
+ *
+ * Destroy the ib device interface, remove the mac ip entry and
+ * ipv4/ipv6 addresses, destroy the device queues and free the
+ * pble and the hmc objects
+ */
+void irdma_deinit_rt_device(struct irdma_device *iwdev)
+{
+ dev_info(rfdev_to_dev(&iwdev->rf->sc_dev), "state = %d\n",
+ iwdev->init_state);
+
+ switch (iwdev->init_state) {
+ case RDMA_DEV_REGISTERED:
+ iwdev->iw_status = 0;
+ irdma_port_ibevent(iwdev);
+ irdma_destroy_rdma_device(iwdev->iwibdev);
+ /* fallthrough */
+ case IP_ADDR_REGISTERED:
+ if (iwdev->rf->sc_dev.hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
+ irdma_del_local_mac_entry(iwdev->rf,
+ (u8)iwdev->mac_ip_table_idx);
+ /* fallthrough */
+ case PBLE_CHUNK_MEM:
+ /* fallthrough */
+ case CEQS_CREATED:
+ /* fallthrough */
+ case IEQ_CREATED:
+ irdma_puda_dele_rsrc(&iwdev->vsi, IRDMA_PUDA_RSRC_TYPE_IEQ,
+ iwdev->reset);
+ /* fallthrough */
+ case ILQ_CREATED:
+ if (iwdev->create_ilq)
+ irdma_puda_dele_rsrc(&iwdev->vsi,
+ IRDMA_PUDA_RSRC_TYPE_ILQ,
+ iwdev->reset);
+ break;
+ default:
+ dev_warn(rfdev_to_dev(&iwdev->rf->sc_dev),
+ "bad init_state = %d\n", iwdev->init_state);
+ break;
+ }
+
+ irdma_cleanup_cm_core(&iwdev->cm_core);
+ if (iwdev->vsi.pestat) {
+ irdma_vsi_stats_free(&iwdev->vsi);
+ kfree(iwdev->vsi.pestat);
+ }
+}
+
+/**
+ * irdma_setup_init_state - set up the initial device struct
+ * @rf: RDMA PCI function
+ *
+ * Initialize the iwarp device and its hdl information
+ * using the ldev and client information
+ * Return 0 if successful, otherwise return error
+ */
+static enum irdma_status_code irdma_setup_init_state(struct irdma_pci_f *rf)
+{
+ struct irdma_priv_ldev *ldev = &rf->ldev;
+ enum irdma_status_code status;
+
+ status = irdma_save_msix_info(rf);
+ if (status)
+ return status;
+
+ rf->hw.pdev = rf->pdev;
+ rf->obj_mem.size = ALIGN(8192, IRDMA_HW_PAGE_SIZE);
+ rf->obj_mem.va = dma_alloc_coherent(hw_to_dev(&rf->hw),
+ rf->obj_mem.size, &rf->obj_mem.pa,
+ GFP_KERNEL);
+ if (!rf->obj_mem.va) {
+ kfree(rf->iw_msixtbl);
+ rf->iw_msixtbl = NULL;
+ return IRDMA_ERR_NO_MEMORY;
+ }
+
+ rf->obj_next = rf->obj_mem;
+ rf->ooo = false;
+ init_waitqueue_head(&rf->vchnl_waitq);
+
+ status = irdma_initialize_dev(rf, ldev);
+ if (status) {
+ kfree(rf->iw_msixtbl);
+ dma_free_coherent(hw_to_dev(&rf->hw), rf->obj_mem.size,
+ rf->obj_mem.va, rf->obj_mem.pa);
+ rf->obj_mem.va = NULL;
+ rf->iw_msixtbl = NULL;
+ }
+
+ return status;
+}
+
+/**
+ * irdma_get_used_rsrc - determine resources used internally
+ * @iwdev: iwarp device
+ *
+ * Called at the end of open to get all internal allocations
+ */
+static void irdma_get_used_rsrc(struct irdma_device *iwdev)
+{
+ iwdev->rf->used_pds = find_next_zero_bit(iwdev->rf->allocated_pds,
+ iwdev->rf->max_pd, 0);
+ iwdev->rf->used_qps = find_next_zero_bit(iwdev->rf->allocated_qps,
+ iwdev->rf->max_qp, 0);
+ iwdev->rf->used_cqs = find_next_zero_bit(iwdev->rf->allocated_cqs,
+ iwdev->rf->max_cq, 0);
+ iwdev->rf->used_mrs = find_next_zero_bit(iwdev->rf->allocated_mrs,
+ iwdev->rf->max_mr, 0);
+}
+
+/**
+ * irdma_deinit_hw - De-initializes RDMA HW
+ * @rf: RDMA device information
+ *
+ */
+void irdma_deinit_ctrl_hw(struct irdma_pci_f *rf)
+{
+ enum init_completion_state state = rf->init_state;
+
+ rf->init_state = INVALID_STATE;
+ if (rf->rsrc_created) {
+ irdma_destroy_pble_prm(rf->pble_rsrc);
+ irdma_del_ceqs(rf);
+ rf->rsrc_created = false;
+ }
+ switch (state) {
+ case CEQ0_CREATED:
+ irdma_del_ceq_0(rf);
+ /* fallthrough */
+ case AEQ_CREATED:
+ irdma_destroy_aeq(rf);
+ /* fallthrough */
+ case CCQ_CREATED:
+ irdma_destroy_ccq(rf);
+ /* fallthrough */
+ case HMC_OBJS_CREATED:
+ irdma_del_hmc_objects(&rf->sc_dev, rf->sc_dev.hmc_info, true,
+ rf->reset, rf->rdma_ver);
+ /* fallthrough */
+ case CQP_CREATED:
+ if (rf->cqp.cqp_compl_thread) {
+ rf->stop_cqp_thread = true;
+ up(&rf->cqp.cqp_compl_sem);
+ kthread_stop(rf->cqp.cqp_compl_thread);
+ }
+ irdma_destroy_cqp(rf, true);
+ /* fallthrough */
+ case INITIAL_STATE:
+ irdma_del_init_mem(rf);
+ break;
+ case INVALID_STATE:
+ /* fallthrough */
+ default:
+ pr_warn("bad init_state = %d\n", rf->init_state);
+ break;
+ }
+}
+
+enum irdma_status_code irdma_rt_init_hw(struct irdma_pci_f *rf,
+ struct irdma_device *iwdev,
+ struct irdma_l2params *l2params)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ enum irdma_status_code status;
+ struct irdma_vsi_init_info vsi_info = {};
+ struct irdma_vsi_stats_info stats_info = {};
+
+ irdma_sc_rt_init(dev);
+ vsi_info.vm_vf_type = dev->is_pf ? IRDMA_PF_TYPE : IRDMA_VF_TYPE;
+ vsi_info.dev = dev;
+ vsi_info.back_vsi = (void *)iwdev;
+ vsi_info.params = l2params;
+ vsi_info.pf_data_vsi_num = iwdev->vsi_num;
+ vsi_info.exception_lan_q = 2;
+ irdma_sc_vsi_init(&iwdev->vsi, &vsi_info);
+
+ status = irdma_setup_cm_core(iwdev, rf->rdma_ver);
+ if (status)
+ return status;
+
+ stats_info.pestat = kzalloc(sizeof(*stats_info.pestat), GFP_KERNEL);
+ if (!stats_info.pestat)
+ return IRDMA_ERR_NO_MEMORY;
+
+ stats_info.fcn_id = dev->hmc_fn_id;
+ status = irdma_vsi_stats_init(&iwdev->vsi, &stats_info);
+ if (status) {
+ kfree(stats_info.pestat);
+ return status;
+ }
+
+ do {
+ if (iwdev->create_ilq) {
+ status = irdma_initialize_ilq(iwdev);
+ if (status)
+ break;
+ iwdev->init_state = ILQ_CREATED;
+ }
+ status = irdma_initialize_ieq(iwdev);
+ if (status)
+ break;
+ iwdev->init_state = IEQ_CREATED;
+ if (!rf->rsrc_created) {
+ status = irdma_setup_ceqs(rf, &iwdev->vsi);
+ if (status)
+ break;
+ iwdev->init_state = CEQS_CREATED;
+
+ status = irdma_hmc_init_pble(&rf->sc_dev,
+ rf->pble_rsrc);
+ if (status) {
+ irdma_del_ceqs(rf);
+ break;
+ }
+ spin_lock_init(&rf->pble_rsrc->pble_lock);
+ iwdev->init_state = PBLE_CHUNK_MEM;
+ rf->rsrc_created = true;
+ }
+
+ iwdev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY |
+ IB_DEVICE_MEM_WINDOW |
+ IB_DEVICE_MEM_MGT_EXTENSIONS;
+
+ if (iwdev->rf->sc_dev.hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
+ irdma_alloc_set_mac(iwdev);
+ irdma_add_ip(iwdev);
+ iwdev->init_state = IP_ADDR_REGISTERED;
+ status = irdma_register_rdma_device(iwdev);
+ if (status)
+ break;
+ iwdev->init_state = RDMA_DEV_REGISTERED;
+ irdma_port_ibevent(iwdev);
+ iwdev->iw_status = 1;
+ irdma_get_used_rsrc(iwdev);
+ init_waitqueue_head(&iwdev->suspend_wq);
+
+ return 0;
+ } while (0);
+
+ dev_err(rfdev_to_dev(dev), "VSI open FAIL status = %d last cmpl = %d\n",
+ status, iwdev->init_state);
+ irdma_deinit_rt_device(iwdev);
+
+ return status;
+}
+
+/**
+ * irdma_ctrl_init_hw - Initializes RDMA HW
+ * @rf: RDMA PCI function
+ *
+ */
+enum irdma_status_code irdma_ctrl_init_hw(struct irdma_pci_f *rf)
+{
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ enum irdma_status_code status;
+
+ do {
+ status = irdma_setup_init_state(rf);
+ if (status)
+ break;
+ rf->init_state = INITIAL_STATE;
+
+ status = irdma_create_cqp(rf);
+ if (status)
+ break;
+ rf->init_state = CQP_CREATED;
+
+ status = irdma_hmc_setup(rf);
+ if (status)
+ break;
+ rf->init_state = HMC_OBJS_CREATED;
+
+ status = irdma_initialize_hw_rsrc(rf);
+ if (status)
+ break;
+
+ status = irdma_create_ccq(rf);
+ if (status)
+ break;
+ rf->init_state = CCQ_CREATED;
+
+ status = irdma_setup_aeq(rf);
+ if (status)
+ break;
+ rf->init_state = AEQ_CREATED;
+ rf->sc_dev.feature_info[IRDMA_FEATURE_FW_INFO] = IRDMA_FW_VER_DEFAULT;
+
+ if (rf->rdma_ver != IRDMA_GEN_1)
+ status = irdma_get_rdma_features(&rf->sc_dev);
+ if (!status) {
+ u32 fw_ver = dev->feature_info[IRDMA_FEATURE_FW_INFO];
+ u8 hw_rev = dev->hw_attrs.uk_attrs.hw_rev;
+
+ if ((hw_rev == IRDMA_GEN_1 && fw_ver >= IRDMA_FW_VER_0x30010) ||
+ (hw_rev != IRDMA_GEN_1 && fw_ver >= IRDMA_FW_VER_0x1000D))
+
+ dev->hw_attrs.uk_attrs.feature_flags |= IRDMA_FEATURE_RTS_AE |
+ IRDMA_FEATURE_CQ_RESIZE;
+ }
+ rf->cqp.cqp_compl_thread =
+ kthread_run(cqp_compl_thread, rf, "cqp_compl_thread");
+
+ status = irdma_setup_ceq_0(rf);
+ if (status)
+ break;
+ rf->init_state = CEQ0_CREATED;
+
+ rf->free_qp_wq =
+ alloc_ordered_workqueue("free_qp_wq", WQ_MEM_RECLAIM);
+ if (!rf->free_qp_wq) {
+ status = IRDMA_ERR_NO_MEMORY;
+ break;
+ }
+
+ rf->free_cqbuf_wq =
+ alloc_ordered_workqueue("free_cqbuf_wq", WQ_MEM_RECLAIM);
+ if (!rf->free_cqbuf_wq) {
+ status = IRDMA_ERR_NO_MEMORY;
+ break;
+ }
+ dev->ccq_ops->ccq_arm(dev->ccq);
+ dev_info(rfdev_to_dev(dev), "IRDMA hardware initialization successful\n");
+ return 0;
+ } while (0);
+
+ pr_err("IRDMA hardware initialization FAILED init_state=%d status=%d\n",
+ rf->init_state, status);
+ irdma_deinit_ctrl_hw(rf);
+ return status;
+}
+
+/**
+ * irdma_initialize_hw_resources - initialize hw resource during open
+ * @rf: RDMA PCI function
+ */
+u32 irdma_initialize_hw_rsrc(struct irdma_pci_f *rf)
+{
+ unsigned long num_pds;
+ u32 rsrc_size;
+ u32 max_mr;
+ u32 max_qp;
+ u32 max_cq;
+ u32 arp_table_size;
+ u32 mrdrvbits;
+ void *rsrc_ptr;
+ u32 num_ahs;
+ u32 num_mcg;
+
+ if (rf->rdma_ver != IRDMA_GEN_1) {
+ rf->allocated_ws_nodes =
+ kcalloc(BITS_TO_LONGS(IRDMA_MAX_WS_NODES),
+ sizeof(unsigned long), GFP_KERNEL);
+ if (!rf->allocated_ws_nodes)
+ return -ENOMEM;
+
+ set_bit(0, rf->allocated_ws_nodes);
+ rf->max_ws_node_id = IRDMA_MAX_WS_NODES;
+ }
+ max_qp = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt;
+ max_cq = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt;
+ max_mr = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt;
+ arp_table_size = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].cnt;
+ rf->max_cqe = rf->sc_dev.hw_attrs.uk_attrs.max_hw_cq_size;
+ num_pds = rf->sc_dev.hw_attrs.max_hw_pds;
+ rsrc_size = sizeof(struct irdma_arp_entry) * arp_table_size;
+ rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(max_qp);
+ rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(max_mr);
+ rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(max_cq);
+ rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(num_pds);
+ rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(arp_table_size);
+ num_ahs = max_qp * 4;
+ rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(num_ahs);
+ num_mcg = max_qp;
+ rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(num_mcg);
+ rsrc_size += sizeof(struct irdma_qp **) * max_qp;
+
+ rf->mem_rsrc = kzalloc(rsrc_size, GFP_KERNEL);
+ if (!rf->mem_rsrc) {
+ kfree(rf->allocated_ws_nodes);
+ rf->allocated_ws_nodes = NULL;
+ return -ENOMEM;
+ }
+
+ rf->max_qp = max_qp;
+ rf->max_mr = max_mr;
+ rf->max_cq = max_cq;
+ rf->max_pd = num_pds;
+ rf->arp_table_size = arp_table_size;
+ rf->arp_table = (struct irdma_arp_entry *)rf->mem_rsrc;
+ rsrc_ptr = rf->mem_rsrc +
+ (sizeof(struct irdma_arp_entry) * arp_table_size);
+ rf->max_ah = num_ahs;
+ rf->max_mcg = num_mcg;
+ rf->allocated_qps = rsrc_ptr;
+ rf->allocated_cqs = &rf->allocated_qps[BITS_TO_LONGS(max_qp)];
+ rf->allocated_mrs = &rf->allocated_cqs[BITS_TO_LONGS(max_cq)];
+ rf->allocated_pds = &rf->allocated_mrs[BITS_TO_LONGS(max_mr)];
+ rf->allocated_ahs = &rf->allocated_pds[BITS_TO_LONGS(num_pds)];
+ rf->allocated_mcgs = &rf->allocated_ahs[BITS_TO_LONGS(num_ahs)];
+ rf->allocated_arps = &rf->allocated_mcgs[BITS_TO_LONGS(num_mcg)];
+ rf->qp_table = (struct irdma_qp **)
+ (&rf->allocated_arps[BITS_TO_LONGS(arp_table_size)]);
+
+ set_bit(0, rf->allocated_mrs);
+ set_bit(0, rf->allocated_qps);
+ set_bit(0, rf->allocated_cqs);
+ set_bit(0, rf->allocated_pds);
+ set_bit(0, rf->allocated_arps);
+ set_bit(0, rf->allocated_ahs);
+ set_bit(0, rf->allocated_mcgs);
+ set_bit(2, rf->allocated_qps); /* qp 2 IEQ */
+ set_bit(1, rf->allocated_qps); /* qp 1 ILQ */
+ set_bit(1, rf->allocated_cqs);
+ set_bit(1, rf->allocated_pds);
+ set_bit(2, rf->allocated_cqs);
+ set_bit(2, rf->allocated_pds);
+
+ spin_lock_init(&rf->rsrc_lock);
+ spin_lock_init(&rf->arp_lock);
+ spin_lock_init(&rf->qptable_lock);
+ spin_lock_init(&rf->qh_list_lock);
+
+ INIT_LIST_HEAD(&rf->mc_qht_list.list);
+ /* stag index mask has a minimum of 14 bits */
+ mrdrvbits = 24 - max(get_count_order(rf->max_mr), 14);
+ rf->mr_stagmask = ~(((1 << mrdrvbits) - 1) << (32 - mrdrvbits));
+
+ return 0;
+}
+
+/**
+ * irdma_cqp_ce_handler - handle cqp completions
+ * @rf: RDMA PCI function
+ * @cq: cq for cqp completions
+ */
+void irdma_cqp_ce_handler(struct irdma_pci_f *rf, struct irdma_sc_cq *cq)
+{
+ struct irdma_cqp_request *cqp_request;
+ struct irdma_sc_dev *dev = &rf->sc_dev;
+ u32 cqe_count = 0;
+ struct irdma_ccq_cqe_info info;
+ unsigned long flags;
+ int ret;
+
+ do {
+ memset(&info, 0, sizeof(info));
+ spin_lock_irqsave(&rf->cqp.compl_lock, flags);
+ ret = dev->ccq_ops->ccq_get_cqe_info(cq, &info);
+ spin_unlock_irqrestore(&rf->cqp.compl_lock, flags);
+ if (ret)
+ break;
+
+ cqp_request = (struct irdma_cqp_request *)
+ (unsigned long)info.scratch;
+ if (info.error)
+ dev_dbg(rfdev_to_dev(dev),
+ "ERR: opcode = 0x%x maj_err_code = 0x%x min_err_code = 0x%x\n",
+ info.op_code, info.maj_err_code,
+ info.min_err_code);
+ if (cqp_request) {
+ cqp_request->compl_info.maj_err_code = info.maj_err_code;
+ cqp_request->compl_info.min_err_code = info.min_err_code;
+ cqp_request->compl_info.op_ret_val = info.op_ret_val;
+ cqp_request->compl_info.error = info.error;
+
+ if (cqp_request->waiting) {
+ cqp_request->request_done = true;
+ wake_up(&cqp_request->waitq);
+ irdma_put_cqp_request(&rf->cqp, cqp_request);
+ } else {
+ if (cqp_request->callback_fcn)
+ cqp_request->callback_fcn(cqp_request);
+ irdma_put_cqp_request(&rf->cqp, cqp_request);
+ }
+ }
+
+ cqe_count++;
+ } while (1);
+
+ if (cqe_count) {
+ irdma_process_bh(dev);
+ dev->ccq_ops->ccq_arm(cq);
+ }
+}
+
+/**
+ * cqp_thread - Handle cqp completions
+ * @context: Pointer to RDMA PCI Function
+ */
+int cqp_compl_thread(void *context)
+{
+ struct irdma_pci_f *rf = context;
+ struct irdma_sc_cq *cq = &rf->ccq.sc_cq;
+
+ do {
+ if (down_interruptible(&rf->cqp.cqp_compl_sem) ||
+ rf->stop_cqp_thread)
+ return 0;
+
+ irdma_cqp_ce_handler(rf, cq);
+ } while (!kthread_should_stop());
+
+ return 0;
+}
+
+/**
+ * irdma_next_iw_state - modify qp state
+ * @iwqp: iwarp qp to modify
+ * @state: next state for qp
+ * @del_hash: del hash
+ * @term: term message
+ * @termlen: length of term message
+ */
+void irdma_next_iw_state(struct irdma_qp *iwqp, u8 state, u8 del_hash, u8 term,
+ u8 termlen)
+{
+ struct irdma_modify_qp_info info = {};
+
+ info.next_iwarp_state = state;
+ info.remove_hash_idx = del_hash;
+ info.cq_num_valid = true;
+ info.arp_cache_idx_valid = true;
+ info.dont_send_term = true;
+ info.dont_send_fin = true;
+ info.termlen = termlen;
+
+ if (term & IRDMAQP_TERM_SEND_TERM_ONLY)
+ info.dont_send_term = false;
+ if (term & IRDMAQP_TERM_SEND_FIN_ONLY)
+ info.dont_send_fin = false;
+ if (iwqp->sc_qp.term_flags && state == IRDMA_QP_STATE_ERROR)
+ info.reset_tcp_conn = true;
+ iwqp->hw_iwarp_state = state;
+ irdma_hw_modify_qp(iwqp->iwdev, iwqp, &info, 0);
+}
+
+/**
+ * irdma_del_mac_entry - remove a mac entry from the hw table
+ * @rf: RDMA PCI function
+ * @idx: the index of the mac ip address to delete
+ */
+void irdma_del_local_mac_entry(struct irdma_pci_f *rf, u16 idx)
+{
+ struct irdma_cqp *iwcqp = &rf->cqp;
+ struct irdma_cqp_request *cqp_request;
+ struct cqp_cmds_info *cqp_info;
+ enum irdma_status_code status = 0;
+
+ cqp_request = irdma_get_cqp_request(iwcqp, true);
+ if (!cqp_request) {
+ pr_err("cqp_request memory failed\n");
+ return;
+ }
+
+ cqp_info = &cqp_request->info;
+ cqp_info->cqp_cmd = IRDMA_OP_DELETE_LOCAL_MAC_ENTRY;
+ cqp_info->post_sq = 1;
+ cqp_info->in.u.del_local_mac_entry.cqp = &iwcqp->sc_cqp;
+ cqp_info->in.u.del_local_mac_entry.scratch = (uintptr_t)cqp_request;
+ cqp_info->in.u.del_local_mac_entry.entry_idx = idx;
+ cqp_info->in.u.del_local_mac_entry.ignore_ref_count = 0;
+ status = irdma_handle_cqp_op(rf, cqp_request);
+ if (status)
+ pr_err("CQP-OP Del MAC entry fail");
+}
+
+/**
+ * irdma_add_mac_entry - add a mac ip address entry to the hw table
+ * @rf: RDMA PCI function
+ * @mac_addr: pointer to mac address
+ * @idx: the index of the mac ip address to add
+ */
+int irdma_add_local_mac_entry(struct irdma_pci_f *rf, u8 *mac_addr, u16 idx)
+{
+ struct irdma_local_mac_entry_info *info;
+ struct irdma_cqp *iwcqp = &rf->cqp;
+ struct irdma_cqp_request *cqp_request;
+ struct cqp_cmds_info *cqp_info;
+ enum irdma_status_code status = 0;
+
+ cqp_request = irdma_get_cqp_request(iwcqp, true);
+ if (!cqp_request) {
+ pr_err("cqp_request memory failed\n");
+ return IRDMA_ERR_NO_MEMORY;
+ }
+
+ cqp_info = &cqp_request->info;
+ cqp_info->post_sq = 1;
+ info = &cqp_info->in.u.add_local_mac_entry.info;
+ ether_addr_copy(info->mac_addr, mac_addr);
+ info->entry_idx = idx;
+ cqp_info->in.u.add_local_mac_entry.scratch = (uintptr_t)cqp_request;
+ cqp_info->cqp_cmd = IRDMA_OP_ADD_LOCAL_MAC_ENTRY;
+ cqp_info->in.u.add_local_mac_entry.cqp = &iwcqp->sc_cqp;
+ cqp_info->in.u.add_local_mac_entry.scratch = (uintptr_t)cqp_request;
+ status = irdma_handle_cqp_op(rf, cqp_request);
+ if (status)
+ pr_err("CQP-OP Add MAC entry fail");
+
+ return status;
+}
+
+/**
+ * irdma_alloc_local_mac_entry - allocate a mac entry
+ * @rf: RDMA PCI function
+ * @mac_tbl_idx: the index of the new mac address
+ *
+ * Allocate a mac address entry and update the mac_tbl_idx
+ * to hold the index of the newly created mac address
+ * Return 0 if successful, otherwise return error
+ */
+int irdma_alloc_local_mac_entry(struct irdma_pci_f *rf, u16 *mac_tbl_idx)
+{
+ struct irdma_cqp *iwcqp = &rf->cqp;
+ struct irdma_cqp_request *cqp_request;
+ struct cqp_cmds_info *cqp_info;
+ enum irdma_status_code status = 0;
+
+ cqp_request = irdma_get_cqp_request(iwcqp, true);
+ if (!cqp_request) {
+ pr_err("cqp_request memory failed\n");
+ return IRDMA_ERR_NO_MEMORY;
+ }
+
+ /* increment refcount, because we need the cqp request ret value */
+ atomic_inc(&cqp_request->refcount);
+ cqp_info = &cqp_request->info;
+ cqp_info->cqp_cmd = IRDMA_OP_ALLOC_LOCAL_MAC_ENTRY;
+ cqp_info->post_sq = 1;
+ cqp_info->in.u.alloc_local_mac_entry.cqp = &iwcqp->sc_cqp;
+ cqp_info->in.u.alloc_local_mac_entry.scratch = (uintptr_t)cqp_request;
+ status = irdma_handle_cqp_op(rf, cqp_request);
+ if (!status)
+ *mac_tbl_idx = (u16)cqp_request->compl_info.op_ret_val;
+ else
+ pr_err("CQP-OP Alloc MAC entry fail");
+ /* decrement refcount and free the cqp request, if no longer used */
+ irdma_put_cqp_request(iwcqp, cqp_request);
+
+ return status;
+}
+
+/**
+ * irdma_cqp_manage_apbvt_cmd - send cqp command manage apbvt
+ * @iwdev: iwarp device
+ * @accel_local_port: port for apbvt
+ * @add_port: add ordelete port
+ */
+static enum irdma_status_code
+irdma_cqp_manage_apbvt_cmd(struct irdma_device *iwdev, u16 accel_local_port,
+ bool add_port)
+{
+ struct irdma_apbvt_info *info;
+ struct irdma_cqp_request *cqp_request;
+ struct cqp_cmds_info *cqp_info;
+ enum irdma_status_code status;
+
+ cqp_request = irdma_get_cqp_request(&iwdev->rf->cqp, add_port);
+ if (!cqp_request)
+ return IRDMA_ERR_NO_MEMORY;
+
+ cqp_info = &cqp_request->info;
+ info = &cqp_info->in.u.manage_apbvt_entry.info;
+ memset(info, 0, sizeof(*info));
+ info->add = add_port;
+ info->port = accel_local_port;
+ cqp_info->cqp_cmd = IRDMA_OP_MANAGE_APBVT_ENTRY;
+ cqp_info->post_sq = 1;
+ cqp_info->in.u.manage_apbvt_entry.cqp = &iwdev->rf->cqp.sc_cqp;
+ cqp_info->in.u.manage_apbvt_entry.scratch = (uintptr_t)cqp_request;
+ status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
+ if (status)
+ dev_dbg(rfdev_to_dev(&iwdev->rf->sc_dev),
+ "ERR: CQP-OP Manage APBVT entry fail");
+
+ return status;
+}
+
+/**
+ * irdma_manage_apbvt - add or delete tcp port
+ * @iwdev: iwarp device
+ * @accel_local_port: port for apbvt
+ * @add_port: add or delete port
+ */
+enum irdma_status_code irdma_manage_apbvt(struct irdma_device *iwdev,
+ u16 accel_local_port, bool add_port)
+{
+ struct irdma_cm_core *cm_core = &iwdev->cm_core;
+ enum irdma_status_code status = 0;
+ unsigned long flags;
+ bool in_use;
+
+ /* apbvt_lock is held across CQP delete APBVT OP (non-waiting) to
+ * protect against race where add APBVT CQP can race ahead of the delete
+ * APBVT for same port.
+ */
+ if (add_port) {
+ spin_lock_irqsave(&cm_core->apbvt_lock, flags);
+ in_use = __test_and_set_bit(accel_local_port,
+ cm_core->ports_in_use);
+ spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
+ if (in_use)
+ return 0;
+ return irdma_cqp_manage_apbvt_cmd(iwdev, accel_local_port,
+ true);
+ } else {
+ spin_lock_irqsave(&cm_core->apbvt_lock, flags);
+ in_use = irdma_port_in_use(cm_core, accel_local_port);
+ if (in_use) {
+ spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
+ return 0;
+ }
+ __clear_bit(accel_local_port, cm_core->ports_in_use);
+ status = irdma_cqp_manage_apbvt_cmd(iwdev, accel_local_port,
+ false);
+ spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
+ return status;
+ }
+}
+
+/**
+ * irdma_manage_arp_cache - manage hw arp cache
+ * @rf: RDMA PCI function
+ * @mac_addr: mac address ptr
+ * @ip_addr: ip addr for arp cache
+ * @ipv4: flag inicating IPv4
+ * @action: add, delete or modify
+ */
+void irdma_manage_arp_cache(struct irdma_pci_f *rf, unsigned char *mac_addr,
+ u32 *ip_addr, bool ipv4, u32 action)
+{
+ struct irdma_add_arp_cache_entry_info *info;
+ struct irdma_cqp_request *cqp_request;
+ struct cqp_cmds_info *cqp_info;
+ int arp_index;
+
+ arp_index = irdma_arp_table(rf, ip_addr, ipv4, mac_addr, action);
+ if (arp_index == -1)
+ return;
+
+ cqp_request = irdma_get_cqp_request(&rf->cqp, false);
+ if (!cqp_request)
+ return;
+
+ cqp_info = &cqp_request->info;
+ if (action == IRDMA_ARP_ADD) {
+ cqp_info->cqp_cmd = IRDMA_OP_ADD_ARP_CACHE_ENTRY;
+ info = &cqp_info->in.u.add_arp_cache_entry.info;
+ memset(info, 0, sizeof(*info));
+ info->arp_index = (u16)arp_index;
+ info->permanent = true;
+ ether_addr_copy(info->mac_addr, mac_addr);
+ cqp_info->in.u.add_arp_cache_entry.scratch =
+ (uintptr_t)cqp_request;
+ cqp_info->in.u.add_arp_cache_entry.cqp = &rf->cqp.sc_cqp;
+ } else {
+ cqp_info->cqp_cmd = IRDMA_OP_DELETE_ARP_CACHE_ENTRY;
+ cqp_info->in.u.del_arp_cache_entry.scratch =
+ (uintptr_t)cqp_request;
+ cqp_info->in.u.del_arp_cache_entry.cqp = &rf->cqp.sc_cqp;
+ cqp_info->in.u.del_arp_cache_entry.arp_index = arp_index;
+ }
+
+ cqp_info->in.u.add_arp_cache_entry.cqp = &rf->cqp.sc_cqp;
+ cqp_info->in.u.add_arp_cache_entry.scratch = (uintptr_t)cqp_request;
+ cqp_info->post_sq = 1;
+ if (irdma_handle_cqp_op(rf, cqp_request))
+ dev_dbg(rfdev_to_dev(&rf->sc_dev),
+ "ERR: CQP-OP Add/Del Arp Cache entry fail");
+}
+
+/**
+ * irdma_send_syn_cqp_callback - do syn/ack after qhash
+ * @cqp_request: qhash cqp completion
+ */
+static void irdma_send_syn_cqp_callback(struct irdma_cqp_request *cqp_request)
+{
+ irdma_send_syn(cqp_request->param, 1);
+}
+
+/**
+ * irdma_manage_qhash - add or modify qhash
+ * @iwdev: iwarp device
+ * @cminfo: cm info for qhash
+ * @etype: type (syn or quad)
+ * @mtype: type of qhash
+ * @cmnode: cmnode associated with connection
+ * @wait: wait for completion
+ */
+enum irdma_status_code
+irdma_manage_qhash(struct irdma_device *iwdev, struct irdma_cm_info *cminfo,
+ enum irdma_quad_entry_type etype,
+ enum irdma_quad_hash_manage_type mtype, void *cmnode,
+ bool wait)
+{
+ struct irdma_qhash_table_info *info;
+ struct irdma_sc_dev *dev = &iwdev->rf->sc_dev;
+ enum irdma_status_code status;
+ struct irdma_cqp *iwcqp = &iwdev->rf->cqp;
+ struct irdma_cqp_request *cqp_request;
+ struct cqp_cmds_info *cqp_info;
+
+ cqp_request = irdma_get_cqp_request(iwcqp, wait);
+ if (!cqp_request)
+ return IRDMA_ERR_NO_MEMORY;
+
+ cqp_info = &cqp_request->info;
+ info = &cqp_info->in.u.manage_qhash_table_entry.info;
+ memset(info, 0, sizeof(*info));
+ info->vsi = &iwdev->vsi;
+ info->manage = mtype;
+ info->entry_type = etype;
+ if (cminfo->vlan_id < VLAN_N_VID) {
+ info->vlan_valid = true;
+ info->vlan_id = cminfo->vlan_id;
+ } else {
+ info->vlan_valid = false;
+ }
+ info->ipv4_valid = cminfo->ipv4;
+ info->user_pri = cminfo->user_pri;
+ ether_addr_copy(info->mac_addr, iwdev->netdev->dev_addr);
+ info->qp_num = cminfo->qh_qpid;
+ info->dest_port = cminfo->loc_port;
+ info->dest_ip[0] = cminfo->loc_addr[0];
+ info->dest_ip[1] = cminfo->loc_addr[1];
+ info->dest_ip[2] = cminfo->loc_addr[2];
+ info->dest_ip[3] = cminfo->loc_addr[3];
+ if (etype == IRDMA_QHASH_TYPE_TCP_ESTABLISHED ||
+ etype == IRDMA_QHASH_TYPE_UDP_UNICAST ||
+ etype == IRDMA_QHASH_TYPE_UDP_MCAST ||
+ etype == IRDMA_QHASH_TYPE_ROCE_MCAST ||
+ etype == IRDMA_QHASH_TYPE_ROCEV2_HW) {
+ info->src_port = cminfo->rem_port;
+ info->src_ip[0] = cminfo->rem_addr[0];
+ info->src_ip[1] = cminfo->rem_addr[1];
+ info->src_ip[2] = cminfo->rem_addr[2];
+ info->src_ip[3] = cminfo->rem_addr[3];
+ }
+ if (cmnode) {
+ cqp_request->callback_fcn = irdma_send_syn_cqp_callback;
+ cqp_request->param = cmnode;
+ }
+ if (info->ipv4_valid)
+ dev_dbg(rfdev_to_dev(dev),
+ "CM: %s IP=%pI4, port=%d, mac=%pM, vlan_id=%d\n",
+ !mtype ? "DELETE" : "ADD", info->dest_ip,
+ info->dest_port, info->mac_addr, cminfo->vlan_id);
+ else
+ dev_dbg(rfdev_to_dev(dev),
+ "CM: %s IP=%pI6, port=%d, mac=%pM, vlan_id=%d\n",
+ !mtype ? "DELETE" : "ADD", info->dest_ip,
+ info->dest_port, info->mac_addr, cminfo->vlan_id);
+ cqp_info->in.u.manage_qhash_table_entry.cqp = &iwdev->rf->cqp.sc_cqp;
+ cqp_info->in.u.manage_qhash_table_entry.scratch = (uintptr_t)cqp_request;
+ cqp_info->cqp_cmd = IRDMA_OP_MANAGE_QHASH_TABLE_ENTRY;
+ cqp_info->post_sq = 1;
+ status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
+ if (status)
+ dev_dbg(rfdev_to_dev(dev),
+ "ERR: CQP-OP Manage Qhash Entry fail");
+
+ return status;
+}
+
+/**
+ * irdma_hw_flush_wqes_callback - Check return code after flush
+ * @cqp_request: qhash cqp completion
+ */
+static void irdma_hw_flush_wqes_callback(struct irdma_cqp_request *cqp_request)
+{
+ struct irdma_qp_flush_info *hw_info;
+ struct irdma_sc_qp *qp;
+ struct irdma_qp *iwqp;
+ struct cqp_cmds_info *cqp_info;
+
+ cqp_info = &cqp_request->info;
+ hw_info = &cqp_request->info.in.u.qp_flush_wqes.info;
+ qp = cqp_info->in.u.qp_flush_wqes.qp;
+ iwqp = qp->qp_uk.back_qp;
+
+ if (cqp_request->compl_info.maj_err_code)
+ return;
+ if (hw_info->rq &&
+ (cqp_request->compl_info.min_err_code == IRDMA_CQP_COMPL_SQ_WQE_FLUSHED ||
+ cqp_request->compl_info.min_err_code == 0)) {
+ /* RQ WQE flush was requested but did not happen */
+ qp->qp_uk.rq_flush_complete = true;
+ complete(&iwqp->rq_drained);
+ }
+ if (hw_info->sq &&
+ (cqp_request->compl_info.min_err_code == IRDMA_CQP_COMPL_RQ_WQE_FLUSHED ||
+ cqp_request->compl_info.min_err_code == 0)) {
+ qp->qp_uk.sq_flush_complete = true;
+ complete(&iwqp->sq_drained);
+ }
+}
+
+/**
+ * irdma_hw_flush_wqes - flush qp's wqe
+ * @rf: RDMA PCI function
+ * @qp: hardware control qp
+ * @info: info for flush
+ * @wait: flag wait for completion
+ */
+enum irdma_status_code irdma_hw_flush_wqes(struct irdma_pci_f *rf,
+ struct irdma_sc_qp *qp,
+ struct irdma_qp_flush_info *info,
+ bool wait)
+{
+ enum irdma_status_code status;
+ struct irdma_qp_flush_info *hw_info;
+ struct irdma_cqp_request *cqp_request;
+ struct cqp_cmds_info *cqp_info;
+ struct irdma_qp *iwqp = qp->qp_uk.back_qp;
+ unsigned long flags = 0;
+
+ cqp_request = irdma_get_cqp_request(&rf->cqp, wait);
+ if (!cqp_request)
+ return IRDMA_ERR_NO_MEMORY;
+
+ cqp_info = &cqp_request->info;
+ if (!wait)
+ cqp_request->callback_fcn = irdma_hw_flush_wqes_callback;
+ hw_info = &cqp_request->info.in.u.qp_flush_wqes.info;
+ memcpy(hw_info, info, sizeof(*hw_info));
+ cqp_info->cqp_cmd = IRDMA_OP_QP_FLUSH_WQES;
+ cqp_info->post_sq = 1;
+ cqp_info->in.u.qp_flush_wqes.qp = qp;
+ cqp_info->in.u.qp_flush_wqes.scratch = (uintptr_t)cqp_request;
+ status = irdma_handle_cqp_op(rf, cqp_request);
+ if (status) {
+ dev_dbg(rfdev_to_dev(&rf->sc_dev),
+ "ERR: CQP-OP Flush WQE's fail");
+ complete(&iwqp->sq_drained);
+ complete(&iwqp->rq_drained);
+ qp->qp_uk.sq_flush_complete = true;
+ qp->qp_uk.rq_flush_complete = true;
+ return status;
+ }
+
+ if (!wait || cqp_request->compl_info.maj_err_code)
+ return 0;
+
+ if (info->rq) {
+ if (cqp_request->compl_info.min_err_code == IRDMA_CQP_COMPL_SQ_WQE_FLUSHED ||
+ cqp_request->compl_info.min_err_code == 0) {
+ /* RQ WQE flush was requested but did not happen */
+ qp->qp_uk.rq_flush_complete = true;
+ complete(&iwqp->rq_drained);
+ }
+ }
+ if (info->sq) {
+ if (cqp_request->compl_info.min_err_code == IRDMA_CQP_COMPL_RQ_WQE_FLUSHED ||
+ cqp_request->compl_info.min_err_code == 0) {
+ spin_lock_irqsave(&iwqp->lock, flags);
+ /*
+ * Handling case where WQE is posted to empty SQ when
+ * flush has not completed
+ */
+ if (IRDMA_RING_MORE_WORK(qp->qp_uk.sq_ring)) {
+ struct irdma_cqp_request *new_req;
+
+ qp->flush_sq = false;
+ spin_unlock_irqrestore(&iwqp->lock, flags);
+ info->rq = false;
+ new_req = irdma_get_cqp_request(&rf->cqp, true);
+ if (!new_req)
+ return IRDMA_ERR_NO_MEMORY;
+ cqp_info = &new_req->info;
+ hw_info = &new_req->info.in.u.qp_flush_wqes.info;
+ memcpy(hw_info, info, sizeof(*hw_info));
+ cqp_info->cqp_cmd = IRDMA_OP_QP_FLUSH_WQES;
+ cqp_info->post_sq = 1;
+ cqp_info->in.u.qp_flush_wqes.qp = qp;
+ cqp_info->in.u.qp_flush_wqes.scratch = (uintptr_t)new_req;
+
+ status = irdma_handle_cqp_op(rf, new_req);
+ if (new_req->compl_info.maj_err_code ||
+ new_req->compl_info.min_err_code != IRDMA_CQP_COMPL_SQ_WQE_FLUSHED ||
+ status) {
+ pr_warn("SQ in error but not flushed");
+ qp->qp_uk.sq_flush_complete = true;
+ }
+ } else {
+ /* SQ WQE flush was requested but did not happen */
+ qp->qp_uk.sq_flush_complete = true;
+ spin_unlock_irqrestore(&iwqp->lock, flags);
+ complete(&iwqp->sq_drained);
+ }
+ } else {
+ spin_lock_irqsave(&iwqp->lock, flags);
+ if (!IRDMA_RING_MORE_WORK(qp->qp_uk.sq_ring)) {
+ qp->qp_uk.sq_flush_complete = true;
+ spin_unlock_irqrestore(&iwqp->lock, flags);
+ complete(&iwqp->sq_drained);
+ } else {
+ spin_unlock_irqrestore(&iwqp->lock, flags);
+ }
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * irdma_gen_ae - generate AE
+ * @rf: RDMA PCI function
+ * @qp: qp associated with AE
+ * @info: info for ae
+ * @wait: wait for completion
+ */
+void irdma_gen_ae(struct irdma_pci_f *rf, struct irdma_sc_qp *qp,
+ struct irdma_gen_ae_info *info, bool wait)
+{
+ struct irdma_gen_ae_info *ae_info;
+ struct irdma_cqp_request *cqp_request;
+ struct cqp_cmds_info *cqp_info;
+
+ cqp_request = irdma_get_cqp_request(&rf->cqp, wait);
+ if (!cqp_request)
+ return;
+
+ cqp_info = &cqp_request->info;
+ ae_info = &cqp_request->info.in.u.gen_ae.info;
+ memcpy(ae_info, info, sizeof(*ae_info));
+ cqp_info->cqp_cmd = IRDMA_OP_GEN_AE;
+ cqp_info->post_sq = 1;
+ cqp_info->in.u.gen_ae.qp = qp;
+ cqp_info->in.u.gen_ae.scratch = (uintptr_t)cqp_request;
+ if (irdma_handle_cqp_op(rf, cqp_request))
+ dev_dbg(rfdev_to_dev(&rf->sc_dev),
+ "ERR: CQP OP failed attempting to generate ae_code=0x%x\n",
+ info->ae_code);
+}
+
+/**
+ * irdma_get_ib_wc - return change flush code to IB's
+ * @opcode: iwarp flush code
+ */
+static enum ib_wc_status irdma_get_ib_wc(enum irdma_flush_opcode opcode)
+{
+ switch (opcode) {
+ case FLUSH_PROT_ERR:
+ return IB_WC_LOC_PROT_ERR;
+ case FLUSH_REM_ACCESS_ERR:
+ return IB_WC_REM_ACCESS_ERR;
+ case FLUSH_LOC_QP_OP_ERR:
+ return IB_WC_LOC_QP_OP_ERR;
+ case FLUSH_REM_OP_ERR:
+ return IB_WC_REM_OP_ERR;
+ case FLUSH_LOC_LEN_ERR:
+ return IB_WC_LOC_LEN_ERR;
+ case FLUSH_GENERAL_ERR:
+ return IB_WC_GENERAL_ERR;
+ case FLUSH_FATAL_ERR:
+ default:
+ return IB_WC_FATAL_ERR;
+ }
+}
+
+/**
+ * irdma_set_flush_info - set flush info
+ * @pinfo: set flush info
+ * @min: minor err
+ * @maj: major err
+ * @opcode: flush error code
+ */
+static void irdma_set_flush_info(struct irdma_qp_flush_info *pinfo, u16 *min,
+ u16 *maj, enum irdma_flush_opcode opcode)
+{
+ *min = (u16)irdma_get_ib_wc(opcode);
+ *maj = CQE_MAJOR_DRV;
+ pinfo->userflushcode = true;
+}
+
+/**
+ * irdma_flush_wqes - flush wqe for qp
+ * @rf: RDMA PCI function
+ * @iwqp: qp to flush wqes
+ */
+void irdma_flush_wqes(struct irdma_pci_f *rf, struct irdma_qp *iwqp)
+{
+ struct irdma_qp_flush_info info = {};
+ struct irdma_sc_qp *qp = &iwqp->sc_qp;
+
+ info.sq = true;
+ info.rq = true;
+ if (qp->term_flags) {
+ irdma_set_flush_info(&info, &info.sq_minor_code,
+ &info.sq_major_code, qp->flush_code);
+ irdma_set_flush_info(&info, &info.rq_minor_code,
+ &info.rq_major_code, qp->flush_code);
+ }
+ (void)irdma_hw_flush_wqes(rf, &iwqp->sc_qp, &info, true);
+}
diff --git a/drivers/infiniband/hw/irdma/i40iw_hw.c b/drivers/infiniband/hw/irdma/i40iw_hw.c
new file mode 100644
index 0000000..8a6333c
--- /dev/null
+++ b/drivers/infiniband/hw/irdma/i40iw_hw.c
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+/* Copyright (c) 2019, Intel Corporation. */
+
+#include "osdep.h"
+#include "type.h"
+#include "i40iw_hw.h"
+#include "status.h"
+#include "protos.h"
+
+#define I40E_CQPSQ_CQ_CQID_SHIFT 0
+#define I40E_CQPSQ_CQ_CQID_MASK \
+ (0xffffULL << I40E_CQPSQ_CQ_CQID_SHIFT)
+
+static u32 i40iw_regs[IRDMA_MAX_REGS] = {
+ I40E_PFPE_CQPTAIL,
+ I40E_PFPE_CQPDB,
+ I40E_PFPE_CCQPSTATUS,
+ I40E_PFPE_CCQPHIGH,
+ I40E_PFPE_CCQPLOW,
+ I40E_PFPE_CQARM,
+ I40E_PFPE_CQACK,
+ I40E_PFPE_AEQALLOC,
+ I40E_PFPE_CQPERRCODES,
+ I40E_PFPE_WQEALLOC,
+ I40E_PFINT_DYN_CTLN(0),
+ I40IW_DB_ADDR_OFFSET,
+
+ I40E_GLPCI_LBARCTRL,
+ I40E_GLPE_CPUSTATUS0,
+ I40E_GLPE_CPUSTATUS1,
+ I40E_GLPE_CPUSTATUS2,
+ I40E_PFINT_AEQCTL,
+ I40E_PFINT_CEQCTL(0),
+ I40E_VSIQF_CTL(0),
+ I40E_PFHMC_PDINV,
+ I40E_GLHMC_VFPDINV(0)
+};
+
+static u32 i40iw_stat_offsets_32[IRDMA_HW_STAT_INDEX_MAX_32] = {
+ I40E_GLPES_PFIP4RXDISCARD(0),
+ I40E_GLPES_PFIP4RXTRUNC(0),
+ I40E_GLPES_PFIP4TXNOROUTE(0),
+ I40E_GLPES_PFIP6RXDISCARD(0),
+ I40E_GLPES_PFIP6RXTRUNC(0),
+ I40E_GLPES_PFIP6TXNOROUTE(0),
+ I40E_GLPES_PFTCPRTXSEG(0),
+ I40E_GLPES_PFTCPRXOPTERR(0),
+ I40E_GLPES_PFTCPRXPROTOERR(0),
+ I40E_GLPES_PFRXVLANERR(0)
+};
+
+static u32 i40iw_stat_offsets_64[IRDMA_HW_STAT_INDEX_MAX_64] = {
+ I40E_GLPES_PFIP4RXOCTSLO(0),
+ I40E_GLPES_PFIP4RXPKTSLO(0),
+ I40E_GLPES_PFIP4RXFRAGSLO(0),
+ I40E_GLPES_PFIP4RXMCPKTSLO(0),
+ I40E_GLPES_PFIP4TXOCTSLO(0),
+ I40E_GLPES_PFIP4TXPKTSLO(0),
+ I40E_GLPES_PFIP4TXFRAGSLO(0),
+ I40E_GLPES_PFIP4TXMCPKTSLO(0),
+ I40E_GLPES_PFIP6RXOCTSLO(0),
+ I40E_GLPES_PFIP6RXPKTSLO(0),
+ I40E_GLPES_PFIP6RXFRAGSLO(0),
+ I40E_GLPES_PFIP6RXMCPKTSLO(0),
+ I40E_GLPES_PFIP6TXOCTSLO(0),
+ I40E_GLPES_PFIP6TXPKTSLO(0),
+ I40E_GLPES_PFIP6TXFRAGSLO(0),
+ I40E_GLPES_PFIP6TXMCPKTSLO(0),
+ I40E_GLPES_PFTCPRXSEGSLO(0),
+ I40E_GLPES_PFTCPTXSEGLO(0),
+ I40E_GLPES_PFRDMARXRDSLO(0),
+ I40E_GLPES_PFRDMARXSNDSLO(0),
+ I40E_GLPES_PFRDMARXWRSLO(0),
+ I40E_GLPES_PFRDMATXRDSLO(0),
+ I40E_GLPES_PFRDMATXSNDSLO(0),
+ I40E_GLPES_PFRDMATXWRSLO(0),
+ I40E_GLPES_PFRDMAVBNDLO(0),
+ I40E_GLPES_PFRDMAVINVLO(0),
+ I40E_GLPES_PFIP4RXMCOCTSLO(0),
+ I40E_GLPES_PFIP4TXMCOCTSLO(0),
+ I40E_GLPES_PFIP6RXMCOCTSLO(0),
+ I40E_GLPES_PFIP6TXMCOCTSLO(0),
+ I40E_GLPES_PFUDPRXPKTSLO(0),
+ I40E_GLPES_PFUDPTXPKTSLO(0)
+};
+
+static u64 i40iw_masks[IRDMA_MAX_MASKS] = {
+ I40E_PFPE_CCQPSTATUS_CCQP_DONE_MASK,
+ I40E_PFPE_CCQPSTATUS_CCQP_ERR_MASK,
+ I40E_CQPSQ_STAG_PDID_MASK,
+ I40E_CQPSQ_CQ_CEQID_MASK,
+ I40E_CQPSQ_CQ_CQID_MASK,
+};
+
+static u64 i40iw_shifts[IRDMA_MAX_SHIFTS] = {
+ I40E_PFPE_CCQPSTATUS_CCQP_DONE_SHIFT,
+ I40E_PFPE_CCQPSTATUS_CCQP_ERR_SHIFT,
+ I40E_CQPSQ_STAG_PDID_SHIFT,
+ I40E_CQPSQ_CQ_CEQID_SHIFT,
+ I40E_CQPSQ_CQ_CQID_SHIFT,
+};
+
+static struct irdma_irq_ops i40iw_irq_ops;
+
+/**
+ * i40iw_config_ceq- Configure CEQ interrupt
+ * @dev: pointer to the device structure
+ * @ceq_id: Completion Event Queue ID
+ * @idx: vector index
+ */
+static void i40iw_config_ceq(struct irdma_sc_dev *dev, u32 ceq_id, u32 idx)
+{
+ u32 reg_val;
+
+ reg_val = (ceq_id << I40E_PFINT_LNKLSTN_FIRSTQ_INDX_SHIFT);
+ reg_val |= (QUEUE_TYPE_CEQ << I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
+ wr32(dev->hw, I40E_PFINT_LNKLSTN(idx - 1), reg_val);
+
+ reg_val = (0x3 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
+ reg_val |= I40E_PFINT_DYN_CTLN_INTENA_MASK;
+ wr32(dev->hw, I40E_PFINT_DYN_CTLN(idx - 1), reg_val);
+
+ reg_val = (IRDMA_GLINT_CEQCTL_CAUSE_ENA_M |
+ (idx << IRDMA_GLINT_CEQCTL_MSIX_INDX_S) |
+ IRDMA_GLINT_CEQCTL_ITR_INDX_M);
+ reg_val |= (NULL_QUEUE_INDEX << I40E_PFINT_CEQCTL_NEXTQ_INDX_SHIFT);
+
+ wr32(dev->hw, dev->hw_regs[IRDMA_GLINT_CEQCTL] + 4 * ceq_id, reg_val);
+}
+
+/**
+ * i40iw_ena_irq - Enable interrupt
+ * @dev: pointer to the device structure
+ * @idx: vector index
+ */
+static void i40iw_ena_irq(struct irdma_sc_dev *dev, u32 idx)
+{
+ u32 val;
+
+ val = IRDMA_GLINT_DYN_CTL_INTENA_M | IRDMA_GLINT_DYN_CTL_CLEARPBA_M |
+ IRDMA_GLINT_DYN_CTL_ITR_INDX_M;
+ wr32(dev->hw, dev->hw_regs[IRDMA_GLINT_DYN_CTL] + 4 * (idx - 1), val);
+}
+
+/**
+ * irdma_disable_irq - Disable interrupt
+ * @dev: pointer to the device structure
+ * @idx: vector index
+ */
+static void i40iw_disable_irq(struct irdma_sc_dev *dev, u32 idx)
+{
+ wr32(dev->hw, dev->hw_regs[IRDMA_GLINT_DYN_CTL] + 4 * (idx - 1), 0);
+}
+
+void i40iw_init_hw(struct irdma_sc_dev *dev)
+{
+ int i;
+
+ for (i = 0; i < IRDMA_MAX_REGS; ++i)
+ dev->hw_regs[i] = i40iw_regs[i];
+
+ for (i = 0; i < IRDMA_HW_STAT_INDEX_MAX_32; ++i)
+ dev->hw_stats_regs_32[i] = i40iw_stat_offsets_32[i];
+
+ for (i = 0; i < IRDMA_HW_STAT_INDEX_MAX_64; ++i)
+ dev->hw_stats_regs_64[i] = i40iw_stat_offsets_64[i];
+
+ for (i = 0; i < IRDMA_MAX_SHIFTS; ++i)
+ dev->hw_shifts[i] = i40iw_shifts[i];
+
+ for (i = 0; i < IRDMA_MAX_MASKS; ++i)
+ dev->hw_masks[i] = i40iw_masks[i];
+
+ dev->wqe_alloc_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_WQEALLOC]);
+ dev->cq_arm_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_CQARM]);
+ dev->aeq_alloc_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_AEQALLOC]);
+ dev->cqp_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_CQPDB]);
+ dev->cq_ack_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_CQACK]);
+ dev->ceq_itr_mask_db = NULL;
+ dev->aeq_itr_mask_db = NULL;
+
+ memcpy(&i40iw_irq_ops, dev->irq_ops, sizeof(i40iw_irq_ops));
+ i40iw_irq_ops.irdma_en_irq = i40iw_ena_irq;
+ i40iw_irq_ops.irdma_dis_irq = i40iw_disable_irq;
+ i40iw_irq_ops.irdma_cfg_ceq = i40iw_config_ceq;
+ dev->irq_ops = &i40iw_irq_ops;
+
+ /* Setup the hardware limits, hmc may limit further */
+ dev->hw_attrs.uk_attrs.max_hw_wq_frags = I40IW_MAX_WQ_FRAGMENT_COUNT;
+ dev->hw_attrs.uk_attrs.max_hw_read_sges = I40IW_MAX_SGE_RD;
+ dev->hw_attrs.max_hw_device_pages = I40IW_MAX_PUSH_PAGE_COUNT;
+ dev->hw_attrs.first_hw_vf_fpm_id = I40IW_FIRST_VF_FPM_ID;
+ dev->hw_attrs.uk_attrs.max_hw_inline = I40IW_MAX_INLINE_DATA_SIZE;
+ dev->hw_attrs.max_hw_ird = I40IW_MAX_IRD_SIZE;
+ dev->hw_attrs.max_hw_ord = I40IW_MAX_ORD_SIZE;
+ dev->hw_attrs.max_hw_wqes = I40IW_MAX_WQ_ENTRIES;
+ dev->hw_attrs.uk_attrs.max_hw_rq_quanta = I40IW_QP_SW_MAX_RQ_QUANTA;
+ dev->hw_attrs.uk_attrs.max_hw_wq_quanta = I40IW_QP_SW_MAX_WQ_QUANTA;
+ dev->hw_attrs.uk_attrs.max_hw_sq_chunk = I40IW_MAX_QUANTA_PER_WR;
+ dev->hw_attrs.max_hw_pds = I40IW_MAX_PDS;
+ dev->hw_attrs.max_stat_inst = I40IW_MAX_STATS_COUNT;
+ dev->hw_attrs.max_hw_outbound_msg_size = I40IW_MAX_OUTBOUND_MSG_SIZE;
+ dev->hw_attrs.max_hw_inbound_msg_size = I40IW_MAX_INBOUND_MSG_SIZE;
+ dev->hw_attrs.max_qp_wr = I40IW_MAX_QP_WRS;
+}
diff --git a/drivers/infiniband/hw/irdma/i40iw_hw.h b/drivers/infiniband/hw/irdma/i40iw_hw.h
new file mode 100644
index 0000000..95ff50c
--- /dev/null
+++ b/drivers/infiniband/hw/irdma/i40iw_hw.h
@@ -0,0 +1,163 @@
+/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* Copyright (c) 2019, Intel Corporation. */
+
+#ifndef I40IW_HW_H
+#define I40IW_HW_H
+#define I40E_VFPE_CQPTAIL1 0x0000A000 /* Reset: VFR */
+#define I40E_VFPE_CQPDB1 0x0000BC00 /* Reset: VFR */
+#define I40E_VFPE_CCQPSTATUS1 0x0000B800 /* Reset: VFR */
+#define I40E_VFPE_CCQPHIGH1 0x00009800 /* Reset: VFR */
+#define I40E_VFPE_CCQPLOW1 0x0000AC00 /* Reset: VFR */
+#define I40E_VFPE_CQARM1 0x0000B400 /* Reset: VFR */
+#define I40E_VFPE_CQACK1 0x0000B000 /* Reset: VFR */
+#define I40E_VFPE_AEQALLOC1 0x0000A400 /* Reset: VFR */
+#define I40E_VFPE_CQPERRCODES1 0x00009C00 /* Reset: VFR */
+#define I40E_VFPE_WQEALLOC1 0x0000C000 /* Reset: VFR */
+#define I40E_VFINT_DYN_CTLN(_INTVF) (0x00024800 + ((_INTVF) * 4)) /* _i=0...511 */ /* Reset: VFR */
+
+#define I40E_PFPE_CQPTAIL 0x00008080 /* Reset: PFR */
+
+#define I40E_PFPE_CQPDB 0x00008000 /* Reset: PFR */
+#define I40E_PFPE_CCQPSTATUS 0x00008100 /* Reset: PFR */
+#define I40E_PFPE_CCQPHIGH 0x00008200 /* Reset: PFR */
+#define I40E_PFPE_CCQPLOW 0x00008180 /* Reset: PFR */
+#define I40E_PFPE_CQARM 0x00131080 /* Reset: PFR */
+#define I40E_PFPE_CQACK 0x00131100 /* Reset: PFR */
+#define I40E_PFPE_AEQALLOC 0x00131180 /* Reset: PFR */
+#define I40E_PFPE_CQPERRCODES 0x00008880 /* Reset: PFR */
+#define I40E_PFPE_WQEALLOC 0x00138C00 /* Reset: PFR */
+#define I40E_GLPCI_LBARCTRL 0x000BE484 /* Reset: POR */
+#define I40E_GLPE_CPUSTATUS0 0x0000D040 /* Reset: PE_CORER */
+#define I40E_GLPE_CPUSTATUS1 0x0000D044 /* Reset: PE_CORER */
+#define I40E_GLPE_CPUSTATUS2 0x0000D048 /* Reset: PE_CORER */
+#define I40E_PFHMC_PDINV 0x000C0300 /* Reset: PFR */
+#define I40E_GLHMC_VFPDINV(_i) (0x000C8300 + ((_i) * 4)) /* _i=0...31 */ /* Reset: CORER */
+#define I40E_PFINT_DYN_CTLN(_INTPF) (0x00034800 + ((_INTPF) * 4)) /* _i=0...511 */ /* Reset: PFR */
+#define I40E_PFINT_AEQCTL 0x00038700 /* Reset: CORER */
+
+#define I40E_GLPES_PFIP4RXDISCARD(_i) (0x00010600 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4RXTRUNC(_i) (0x00010700 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4TXNOROUTE(_i) (0x00012E00 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6RXDISCARD(_i) (0x00011200 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6RXTRUNC(_i) (0x00011300 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+
+#define I40E_GLPES_PFRDMAVBNDLO(_i) (0x00014800 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4TXMCOCTSLO(_i) (0x00012000 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6RXMCOCTSLO(_i) (0x00011600 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6TXMCOCTSLO(_i) (0x00012A00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFUDPRXPKTSLO(_i) (0x00013800 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFUDPTXPKTSLO(_i) (0x00013A00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+
+#define I40E_GLPES_PFIP6TXNOROUTE(_i) (0x00012F00 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFTCPRTXSEG(_i) (0x00013600 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFTCPRXOPTERR(_i) (0x00013200 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFTCPRXPROTOERR(_i) (0x00013300 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFRXVLANERR(_i) (0x00010000 + ((_i) * 4)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4RXOCTSLO(_i) (0x00010200 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4RXPKTSLO(_i) (0x00010400 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4RXFRAGSLO(_i) (0x00010800 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4RXMCPKTSLO(_i) (0x00010C00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4TXOCTSLO(_i) (0x00011A00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4TXPKTSLO(_i) (0x00011C00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4TXFRAGSLO(_i) (0x00011E00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4TXMCPKTSLO(_i) (0x00012200 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6RXOCTSLO(_i) (0x00010E00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6RXPKTSLO(_i) (0x00011000 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6RXFRAGSLO(_i) (0x00011400 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6TXOCTSLO(_i) (0x00012400 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6TXPKTSLO(_i) (0x00012600 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6TXFRAGSLO(_i) (0x00012800 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6TXMCPKTSLO(_i) (0x00012C00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFTCPTXSEGLO(_i) (0x00013400 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFRDMARXRDSLO(_i) (0x00013E00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFRDMARXSNDSLO(_i) (0x00014000 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFRDMARXWRSLO(_i) (0x00013C00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFRDMATXRDSLO(_i) (0x00014400 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFRDMATXSNDSLO(_i) (0x00014600 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFRDMATXWRSLO(_i) (0x00014200 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP4RXMCOCTSLO(_i) (0x00010A00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFIP6RXMCPKTSLO(_i) (0x00011800 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFTCPRXSEGSLO(_i) (0x00013000 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+#define I40E_GLPES_PFRDMAVINVLO(_i) (0x00014A00 + ((_i) * 8)) /* _i=0...15 */ /* Reset: PE_CORER */
+
+#define I40IW_DB_ADDR_OFFSET (4 * 1024 * 1024 - 64 * 1024)
+
+#define I40IW_VF_DB_ADDR_OFFSET (64 * 1024)
+
+#define I40E_PFINT_LNKLSTN(_INTPF) (0x00035000 + ((_INTPF) * 4)) /* _i=0...511 */ /* Reset: PFR */
+#define I40E_PFINT_LNKLSTN_MAX_INDEX 511
+#define I40E_PFINT_LNKLSTN_FIRSTQ_INDX_SHIFT 0
+#define I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK I40E_MASK(0x7FF, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_SHIFT)
+#define I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT 11
+#define I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_MASK I40E_MASK(0x3, I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT)
+
+#define I40E_PFINT_CEQCTL(_INTPF) (0x00036800 + ((_INTPF) * 4)) /* _i=0...511 */ /* Reset: CORER */
+#define I40E_PFINT_CEQCTL_MAX_INDEX 511
+#define I40E_PFINT_CEQCTL_MSIX_INDX_SHIFT 0
+#define I40E_PFINT_CEQCTL_MSIX_INDX_MASK I40E_MASK(0xFF, I40E_PFINT_CEQCTL_MSIX_INDX_SHIFT)
+#define I40E_PFINT_CEQCTL_ITR_INDX_SHIFT 11
+#define I40E_PFINT_CEQCTL_ITR_INDX_MASK I40E_MASK(0x3, I40E_PFINT_CEQCTL_ITR_INDX_SHIFT)
+#define I40E_PFINT_CEQCTL_MSIX0_INDX_SHIFT 13
+#define I40E_PFINT_CEQCTL_MSIX0_INDX_MASK I40E_MASK(0x7, I40E_PFINT_CEQCTL_MSIX0_INDX_SHIFT)
+#define I40E_PFINT_CEQCTL_NEXTQ_INDX_SHIFT 16
+#define I40E_PFINT_CEQCTL_NEXTQ_INDX_MASK I40E_MASK(0x7FF, I40E_PFINT_CEQCTL_NEXTQ_INDX_SHIFT)
+#define I40E_PFINT_CEQCTL_NEXTQ_TYPE_SHIFT 27
+#define I40E_PFINT_CEQCTL_NEXTQ_TYPE_MASK I40E_MASK(0x3, I40E_PFINT_CEQCTL_NEXTQ_TYPE_SHIFT)
+#define I40E_PFINT_CEQCTL_CAUSE_ENA_SHIFT 30
+#define I40E_PFINT_CEQCTL_CAUSE_ENA_MASK I40E_MASK(0x1, I40E_PFINT_CEQCTL_CAUSE_ENA_SHIFT)
+#define I40E_PFINT_CEQCTL_INTEVENT_SHIFT 31
+#define I40E_PFINT_CEQCTL_INTEVENT_MASK I40E_MASK(0x1, I40E_PFINT_CEQCTL_INTEVENT_SHIFT)
+
+#define I40E_CQPSQ_STAG_PDID_SHIFT 48
+#define I40E_CQPSQ_STAG_PDID_MASK MAKEMASK(0x7FFFULL, I40E_CQPSQ_STAG_PDID_SHIFT)
+
+#define I40E_PFPE_CCQPSTATUS_CCQP_DONE_SHIFT 0
+#define I40E_PFPE_CCQPSTATUS_CCQP_DONE_MASK (0x1ULL << I40E_PFPE_CCQPSTATUS_CCQP_DONE_SHIFT)
+
+#define I40E_PFPE_CCQPSTATUS_CCQP_ERR_SHIFT 31
+#define I40E_PFPE_CCQPSTATUS_CCQP_ERR_MASK (0x1ULL << I40E_PFPE_CCQPSTATUS_CCQP_ERR_SHIFT)
+
+#define I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT 3
+#define I40E_PFINT_DYN_CTLN_ITR_INDX_MASK (0x3 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT)
+
+#define I40E_PFINT_DYN_CTLN_INTENA_SHIFT 0
+#define I40E_PFINT_DYN_CTLN_INTENA_MASK (0x1 << I40E_PFINT_DYN_CTLN_INTENA_SHIFT)
+
+#define I40E_CQPSQ_CQ_CEQID_SHIFT 24
+#define I40E_CQPSQ_CQ_CEQID_MASK (0x7fUL << I40E_CQPSQ_CQ_CEQID_SHIFT)
+
+#define I40E_VSIQF_CTL(_VSI) (0x0020D800 + ((_VSI) * 4))
+
+enum i40iw_device_caps_const {
+ I40IW_MAX_WQ_FRAGMENT_COUNT = 3,
+ I40IW_MAX_SGE_RD = 1,
+ I40IW_MAX_PUSH_PAGE_COUNT = 0,
+ I40IW_MAX_INLINE_DATA_SIZE = 48,
+ I40IW_MAX_IRD_SIZE = 63,
+ I40IW_MAX_ORD_SIZE = 127,
+ I40IW_MAX_WQ_ENTRIES = 2048,
+ I40IW_MAX_WQE_SIZE_RQ = 128,
+ I40IW_MAX_PDS = 32768,
+ I40IW_MAX_STATS_COUNT = 16,
+ I40IW_MAX_CQ_SIZE = 1048575,
+ I40IW_MAX_OUTBOUND_MSG_SIZE = 2147483647,
+ I40IW_MAX_INBOUND_MSG_SIZE = 2147483647,
+};
+
+#define I40IW_QP_WQE_MIN_SIZE 32
+#define I40IW_QP_WQE_MAX_SIZE 128
+#define I40IW_QP_SW_MIN_WQSIZE 4
+
+#define I40IW_MAX_RQ_WQE_SHIFT 2
+#define I40IW_MAX_QUANTA_PER_WR 2
+
+#define I40IW_QP_SW_MAX_SQ_QUANTA 2048
+#define I40IW_QP_SW_MAX_RQ_QUANTA 16384
+#define I40IW_QP_SW_MAX_WQ_QUANTA 2048
+#define I40IW_MAX_QP_WRS ((I40IW_QP_SW_MAX_SQ_QUANTA - IRDMA_SQ_RSVD) / I40IW_MAX_QUANTA_PER_WR)
+#define I40IW_FIRST_VF_FPM_ID 16
+#define QUEUE_TYPE_CEQ 2
+#define NULL_QUEUE_INDEX 0x7FF
+
+void i40iw_init_hw(struct irdma_sc_dev *dev);
+#endif /* I40IW_HW_H */
diff --git a/drivers/infiniband/hw/irdma/icrdma_hw.c b/drivers/infiniband/hw/irdma/icrdma_hw.c
new file mode 100644
index 0000000..18f5e00
--- /dev/null
+++ b/drivers/infiniband/hw/irdma/icrdma_hw.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+/* Copyright (c) 2019, Intel Corporation. */
+
+#include "osdep.h"
+#include "type.h"
+#include "icrdma_hw.h"
+
+static u32 icrdma_regs[IRDMA_MAX_REGS] = {
+ PFPE_CQPTAIL,
+ PFPE_CQPDB,
+ PFPE_CCQPSTATUS,
+ PFPE_CCQPHIGH,
+ PFPE_CCQPLOW,
+ PFPE_CQARM,
+ PFPE_CQACK,
+ PFPE_AEQALLOC,
+ PFPE_CQPERRCODES,
+ PFPE_WQEALLOC,
+ GLINT_DYN_CTL(0),
+ ICRDMA_DB_ADDR_OFFSET,
+
+ GLPCI_LBARCTRL,
+ GLPE_CPUSTATUS0,
+ GLPE_CPUSTATUS1,
+ GLPE_CPUSTATUS2,
+ PFINT_AEQCTL,
+ GLINT_CEQCTL(0),
+ VSIQF_PE_CTL1(0),
+ PFHMC_PDINV,
+ GLHMC_VFPDINV(0)
+};
+
+static u64 icrdma_masks[IRDMA_MAX_MASKS] = {
+ ICRDMA_CCQPSTATUS_CCQP_DONE_M,
+ ICRDMA_CCQPSTATUS_CCQP_ERR_M,
+ ICRDMA_CQPSQ_STAG_PDID_M,
+ ICRDMA_CQPSQ_CQ_CEQID_M,
+ ICRDMA_CQPSQ_CQ_CQID_M,
+};
+
+static u64 icrdma_shifts[IRDMA_MAX_SHIFTS] = {
+ ICRDMA_CCQPSTATUS_CCQP_DONE_S,
+ ICRDMA_CCQPSTATUS_CCQP_ERR_S,
+ ICRDMA_CQPSQ_STAG_PDID_S,
+ ICRDMA_CQPSQ_CQ_CEQID_S,
+ ICRDMA_CQPSQ_CQ_CQID_S,
+};
+
+void icrdma_init_hw(struct irdma_sc_dev *dev)
+{
+ int i;
+
+ for (i = 0; i < IRDMA_MAX_REGS; ++i)
+ dev->hw_regs[i] = icrdma_regs[i];
+
+ for (i = 0; i < IRDMA_MAX_SHIFTS; ++i)
+ dev->hw_shifts[i] = icrdma_shifts[i];
+
+ for (i = 0; i < IRDMA_MAX_MASKS; ++i)
+ dev->hw_masks[i] = icrdma_masks[i];
+
+ dev->wqe_alloc_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_WQEALLOC]);
+ dev->cq_arm_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_CQARM]);
+ dev->aeq_alloc_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_AEQALLOC]);
+ dev->cqp_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_CQPDB]);
+ dev->cq_ack_db = (u32 __iomem *)(irdma_get_hw_addr(dev) +
+ dev->hw_regs[IRDMA_CQACK]);
+ dev->hw_attrs.max_stat_inst = ICRDMA_MAX_STATS_COUNT;
+
+ dev->hw_attrs.uk_attrs.max_hw_sq_chunk = IRDMA_MAX_QUANTA_PER_WR;
+}
diff --git a/drivers/infiniband/hw/irdma/icrdma_hw.h b/drivers/infiniband/hw/irdma/icrdma_hw.h
new file mode 100644
index 0000000..485edcd
--- /dev/null
+++ b/drivers/infiniband/hw/irdma/icrdma_hw.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* Copyright (c) 2019, Intel Corporation. */
+
+#ifndef ICRDMA_HW_H
+#define ICRDMA_HW_H
+
+#define VFPE_CQPTAIL1 0x0000a000
+#define VFPE_CQPDB1 0x0000bc00
+#define VFPE_CCQPSTATUS1 0x0000b800
+#define VFPE_CCQPHIGH1 0x00009800
+#define VFPE_CCQPLOW1 0x0000ac00
+#define VFPE_CQARM1 0x0000b400
+#define VFPE_CQARM1 0x0000b400
+#define VFPE_CQACK1 0x0000b000
+#define VFPE_AEQALLOC1 0x0000a400
+#define VFPE_CQPERRCODES1 0x00009c00
+#define VFPE_WQEALLOC1 0x0000c000
+#define VFINT_DYN_CTLN(_i) (0x00003800 + ((_i) * 4)) /* _i=0...63 */
+
+#define PFPE_CQPTAIL 0x00500880
+#define PFPE_CQPDB 0x00500800
+#define PFPE_CCQPSTATUS 0x0050a000
+#define PFPE_CCQPHIGH 0x0050a100
+#define PFPE_CCQPLOW 0x0050a080
+#define PFPE_CQARM 0x00502c00
+#define PFPE_CQACK 0x00502c80
+#define PFPE_AEQALLOC 0x00502d00
+#define GLINT_DYN_CTL(_INT) (0x00160000 + ((_INT) * 4)) /* _i=0...2047 */
+#define GLPCI_LBARCTRL 0x0009de74
+#define GLPE_CPUSTATUS0 0x0050ba5c
+#define GLPE_CPUSTATUS1 0x0050ba60
+#define GLPE_CPUSTATUS2 0x0050ba64
+#define PFINT_AEQCTL 0x0016cb00
+#define PFPE_CQPERRCODES 0x0050a200
+#define PFPE_WQEALLOC 0x00504400
+#define GLINT_CEQCTL(_INT) (0x0015c000 + ((_INT) * 4)) /* _i=0...2047 */
+#define VSIQF_PE_CTL1(_VSI) (0x00414000 + ((_VSI) * 4)) /* _i=0...767 */
+#define PFHMC_PDINV 0x00520300
+#define GLHMC_VFPDINV(_i) (0x00528300 + ((_i) * 4)) /* _i=0...31 */
+
+#define ICRDMA_DB_ADDR_OFFSET (8 * 1024 * 1024 - 64 * 1024)
+
+#define ICRDMA_VF_DB_ADDR_OFFSET (64 * 1024)
+
+/* CCQSTATUS */
+#define ICRDMA_CCQPSTATUS_CCQP_DONE_S 0
+#define ICRDMA_CCQPSTATUS_CCQP_DONE_M MAKEMASK(0x1ULL, ICRDMA_CCQPSTATUS_CCQP_DONE_S)
+#define ICRDMA_CCQPSTATUS_CCQP_ERR_S 31
+#define ICRDMA_CCQPSTATUS_CCQP_ERR_M MAKEMASK(0x1ULL, ICRDMA_CCQPSTATUS_CCQP_ERR_S)
+#define ICRDMA_CQPSQ_STAG_PDID_S 46
+#define ICRDMA_CQPSQ_STAG_PDID_M MAKEMASK(0x3ffffULL, ICRDMA_CQPSQ_STAG_PDID_S)
+#define ICRDMA_CQPSQ_CQ_CEQID_S 22
+#define ICRDMA_CQPSQ_CQ_CEQID_M (0x3ffULL << ICRDMA_CQPSQ_CQ_CEQID_S)
+#define ICRDMA_CQPSQ_CQ_CQID_S 0
+#define ICRDMA_CQPSQ_CQ_CQID_M \
+ (0x7ffffULL << ICRDMA_CQPSQ_CQ_CQID_S)
+
+enum icrdma_device_caps_const {
+ ICRDMA_MAX_STATS_COUNT = 128,
+};
+
+void icrdma_init_hw(struct irdma_sc_dev *dev);
+#endif /* ICRDMA_HW_H*/
--
1.8.3.1
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