blob: 7de525a5ccf8c9a6d72f5c92d6fe05098325bb9b [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
/* Copyright (c) 2015 - 2021 Intel Corporation */
#include "main.h"
static struct irdma_rsrc_limits rsrc_limits_table[] = {
[0] = {
.qplimit = SZ_128,
},
[1] = {
.qplimit = SZ_1K,
},
[2] = {
.qplimit = SZ_2K,
},
[3] = {
.qplimit = SZ_4K,
},
[4] = {
.qplimit = SZ_16K,
},
[5] = {
.qplimit = SZ_64K,
},
[6] = {
.qplimit = SZ_128K,
},
[7] = {
.qplimit = SZ_256K,
},
};
/* 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 = &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) {
ibdev_dbg(to_ibdev(dev), "ERR: puda status = %d\n", status);
break;
}
if (compl_error) {
ibdev_dbg(to_ibdev(dev), "ERR: puda compl_err =0x%x\n",
compl_error);
break;
}
} while (1);
irdma_sc_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;
unsigned long flags;
sc_ceq = &ceq->sc_ceq;
do {
spin_lock_irqsave(&ceq->ce_lock, flags);
cq = irdma_sc_process_ceq(dev, sc_ceq);
if (!cq) {
spin_unlock_irqrestore(&ceq->ce_lock, flags);
break;
}
if (cq->cq_type == IRDMA_CQ_TYPE_IWARP)
irdma_iwarp_ce_handler(cq);
spin_unlock_irqrestore(&ceq->ce_lock, flags);
if (cq->cq_type == IRDMA_CQ_TYPE_CQP)
queue_work(rf->cqp_cmpl_wq, &rf->cqp_cmpl_work);
else if (cq->cq_type == IRDMA_CQ_TYPE_ILQ ||
cq->cq_type == IRDMA_CQ_TYPE_IEQ)
irdma_puda_ce_handler(rf, cq);
} while (1);
}
static void irdma_set_flush_fields(struct irdma_sc_qp *qp,
struct irdma_aeqe_info *info)
{
qp->sq_flush_code = info->sq;
qp->rq_flush_code = info->rq;
qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC;
switch (info->ae_id) {
case IRDMA_AE_AMP_UNALLOCATED_STAG:
case IRDMA_AE_AMP_BOUNDS_VIOLATION:
case IRDMA_AE_AMP_INVALID_STAG:
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
fallthrough;
case IRDMA_AE_AMP_BAD_PD:
case IRDMA_AE_UDA_XMIT_BAD_PD:
qp->flush_code = FLUSH_PROT_ERR;
break;
case IRDMA_AE_AMP_BAD_QP:
qp->flush_code = FLUSH_LOC_QP_OP_ERR;
break;
case IRDMA_AE_AMP_BAD_STAG_KEY:
case IRDMA_AE_AMP_BAD_STAG_INDEX:
case IRDMA_AE_AMP_TO_WRAP:
case IRDMA_AE_AMP_RIGHTS_VIOLATION:
case IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS:
case IRDMA_AE_PRIV_OPERATION_DENIED:
case IRDMA_AE_IB_INVALID_REQUEST:
case IRDMA_AE_IB_REMOTE_ACCESS_ERROR:
case IRDMA_AE_IB_REMOTE_OP_ERROR:
qp->flush_code = FLUSH_REM_ACCESS_ERR;
qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
break;
case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
case IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG:
case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT:
case IRDMA_AE_UDA_L4LEN_INVALID:
case IRDMA_AE_ROCE_RSP_LENGTH_ERROR:
qp->flush_code = FLUSH_LOC_LEN_ERR;
break;
case IRDMA_AE_LCE_QP_CATASTROPHIC:
qp->flush_code = FLUSH_FATAL_ERR;
break;
case IRDMA_AE_DDP_UBE_INVALID_MO:
case IRDMA_AE_IB_RREQ_AND_Q1_FULL:
case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
qp->flush_code = FLUSH_GENERAL_ERR;
break;
case IRDMA_AE_LLP_TOO_MANY_RETRIES:
qp->flush_code = FLUSH_RETRY_EXC_ERR;
break;
case IRDMA_AE_AMP_MWBIND_INVALID_RIGHTS:
case IRDMA_AE_AMP_MWBIND_BIND_DISABLED:
case IRDMA_AE_AMP_MWBIND_INVALID_BOUNDS:
qp->flush_code = FLUSH_MW_BIND_ERR;
break;
default:
qp->flush_code = FLUSH_FATAL_ERR;
break;
}
}
/**
* 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;
struct irdma_device *iwdev = rf->iwdev;
unsigned long flags;
u32 aeqcnt = 0;
if (!sc_aeq->size)
return;
do {
memset(info, 0, sizeof(*info));
ret = irdma_sc_get_next_aeqe(sc_aeq, info);
if (ret)
break;
aeqcnt++;
ibdev_dbg(&iwdev->ibdev,
"AEQ: ae_id = 0x%x bool qp=%d qp_id = %d tcp_state=%d iwarp_state=%d ae_src=%d\n",
info->ae_id, info->qp, info->qp_cq_id, info->tcp_state,
info->iwarp_state, info->ae_src);
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);
if (info->ae_id == IRDMA_AE_QP_SUSPEND_COMPLETE) {
atomic_dec(&iwdev->vsi.qp_suspend_reqs);
wake_up(&iwdev->suspend_wq);
continue;
}
ibdev_dbg(&iwdev->ibdev, "AEQ: qp_id %d is already freed\n",
info->qp_cq_id);
continue;
}
irdma_qp_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;
if (info->ae_id != IRDMA_AE_QP_SUSPEND_COMPLETE)
iwqp->last_aeq = info->ae_id;
spin_unlock_irqrestore(&iwqp->lock, flags);
ctx_info = &iwqp->ctx_info;
if (rdma_protocol_roce(&iwqp->iwdev->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);
}
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:
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:
if (iwqp->iwdev->vsi.tc_change_pending) {
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:
ibdev_err(&iwdev->ibdev,
"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 = 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_RESET_NOT_SENT:
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(&iwdev->ibdev, 1))
ctx_info->roce_info->err_rq_idx_valid = false;
else
ctx_info->iwarp_info->err_rq_idx_valid = false;
fallthrough;
default:
ibdev_err(&iwdev->ibdev, "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(&iwdev->ibdev, 1)) {
if (!info->sq && ctx_info->roce_info->err_rq_idx_valid) {
ctx_info->roce_info->err_rq_idx = info->wqe_idx;
irdma_sc_qp_setctx_roce(&iwqp->sc_qp, iwqp->host_ctx.va,
ctx_info);
}
irdma_set_flush_fields(qp, 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 = true;
irdma_sc_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 {
irdma_terminate_connection(qp, info);
}
break;
}
if (info->qp)
irdma_qp_rem_ref(&iwqp->ibqp);
} while (1);
if (aeqcnt)
irdma_sc_repost_aeq_entries(dev, aeqcnt);
}
/**
* irdma_ena_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
* @t: tasklet_struct ptr
*/
static void irdma_dpc(struct tasklet_struct *t)
{
struct irdma_pci_f *rf = from_tasklet(rf, t, dpc_tasklet);
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
* @t: tasklet_struct ptr
*/
static void irdma_ceq_dpc(struct tasklet_struct *t)
{
struct irdma_ceq *iwceq = from_tasklet(iwceq, t, dpc_tasklet);
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 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_qvlist_info *iw_qvlist;
struct irdma_qv_info *iw_qvinfo;
struct msix_entry *pmsix;
u32 ceq_idx;
u32 i;
size_t size;
if (!rf->msix_count)
return IRDMA_ERR_NO_INTR;
size = sizeof(struct irdma_msix_vector) * rf->msix_count;
size += struct_size(iw_qvlist, qv_info, rf->msix_count);
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;
pmsix = rf->msix_entries;
for (i = 0, ceq_idx = 0; i < rf->msix_count; i++, iw_qvinfo++) {
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;
pmsix++;
}
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)
ibdev_err(to_ibdev(&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 (rf->cqp_cmpl_wq)
destroy_workqueue(rf->cqp_cmpl_wq);
if (free_hwcqp)
status = irdma_sc_cqp_destroy(dev->cqp);
if (status)
ibdev_dbg(to_ibdev(dev), "ERR: Destroy CQP failed %d\n", status);
irdma_cleanup_pending_cqp_op(rf);
dma_free_coherent(dev->hw->device, 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;
}
static void irdma_destroy_virt_aeq(struct irdma_pci_f *rf)
{
struct irdma_aeq *aeq = &rf->aeq;
u32 pg_cnt = DIV_ROUND_UP(aeq->mem.size, PAGE_SIZE);
dma_addr_t *pg_arr = (dma_addr_t *)aeq->palloc.level1.addr;
irdma_unmap_vm_page_list(&rf->hw, pg_arr, pg_cnt);
irdma_free_pble(rf->pble_rsrc, &aeq->palloc);
vfree(aeq->mem.va);
}
/**
* 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) {
rf->sc_dev.irq_ops->irdma_cfg_aeq(&rf->sc_dev, rf->iw_msixtbl->idx, false);
irdma_destroy_irq(rf, rf->iw_msixtbl, rf);
}
if (rf->reset)
goto exit;
aeq->sc_aeq.size = 0;
status = irdma_cqp_aeq_cmd(dev, &aeq->sc_aeq, IRDMA_OP_AEQ_DESTROY);
if (status)
ibdev_dbg(to_ibdev(dev), "ERR: Destroy AEQ failed %d\n", status);
exit:
if (aeq->virtual_map) {
irdma_destroy_virt_aeq(rf);
} else {
dma_free_coherent(dev->hw->device, 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 = irdma_sc_ceq_destroy(&iwceq->sc_ceq, 0, 1);
if (status) {
ibdev_dbg(to_ibdev(dev), "ERR: CEQ destroy command failed %d\n", status);
goto exit;
}
status = irdma_sc_cceq_destroy_done(&iwceq->sc_ceq);
if (status)
ibdev_dbg(to_ibdev(dev), "ERR: CEQ destroy completion failed %d\n",
status);
exit:
dma_free_coherent(dev->hw->device, 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];
rf->sc_dev.irq_ops->irdma_cfg_ceq(&rf->sc_dev,
msix_vec->ceq_id,
msix_vec->idx, false);
irdma_destroy_irq(rf, msix_vec, rf);
} else {
msix_vec = &rf->iw_msixtbl[1];
irdma_destroy_irq(rf, msix_vec, 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
* @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++) {
rf->sc_dev.irq_ops->irdma_cfg_ceq(&rf->sc_dev, msix_vec->ceq_id,
msix_vec->idx, false);
irdma_destroy_irq(rf, msix_vec, iwceq);
irdma_cqp_ceq_cmd(&rf->sc_dev, &iwceq->sc_ceq,
IRDMA_OP_CEQ_DESTROY);
dma_free_coherent(rf->sc_dev.hw->device, 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 = irdma_sc_ccq_destroy(dev->ccq, 0, true);
if (status)
ibdev_dbg(to_ibdev(dev), "ERR: CCQ destroy failed %d\n", status);
dma_free_coherent(dev->hw->device, 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
* @privileged: permission to close HMC objects
* @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 privileged, 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.privileged = privileged;
if (irdma_sc_del_hmc_obj(dev, &info, reset))
ibdev_dbg(to_ibdev(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
* @privileged: permission to delete HMC objects
* @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 privileged,
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, privileged, 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 irdma_sc_create_hmc_obj(dev, info);
}
/**
* irdma_create_hmc_objs - create all hmc objects for the device
* @rf: RDMA PCI function
* @privileged: permission to create HMC objects
* @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 privileged, 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.privileged = privileged;
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) {
ibdev_dbg(to_ibdev(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 irdma_sc_static_hmc_pages_allocated(dev->cqp, 0, dev->hmc_fn_id,
true, true);
while (i) {
i--;
/* destroy the hmc objects of a given type */
if (dev->hmc_info->hmc_obj[iw_hmc_obj_types[i]].cnt)
irdma_close_hmc_objects_type(dev, iw_hmc_obj_types[i],
dev->hmc_info, privileged,
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 (((u8 *)memptr->va + size) > ((u8 *)rf->obj_mem.va + rf->obj_mem.size))
return IRDMA_ERR_NO_MEMORY;
rf->obj_next.va = (u8 *)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(dev->hw->device, 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.scratch_array = cqp->scratch_array;
cqp_init_info.protocol_used = rf->protocol_used;
switch (rf->rdma_ver) {
case IRDMA_GEN_1:
cqp_init_info.hw_maj_ver = IRDMA_CQPHC_HW_MAJVER_GEN_1;
break;
case IRDMA_GEN_2:
cqp_init_info.hw_maj_ver = IRDMA_CQPHC_HW_MAJVER_GEN_2;
break;
}
status = irdma_sc_cqp_init(dev->cqp, &cqp_init_info);
if (status) {
ibdev_dbg(to_ibdev(dev), "ERR: cqp init status %d\n", status);
goto exit;
}
spin_lock_init(&cqp->req_lock);
spin_lock_init(&cqp->compl_lock);
status = irdma_sc_cqp_create(dev->cqp, &maj_err, &min_err);
if (status) {
ibdev_dbg(to_ibdev(dev),
"ERR: cqp create failed - status %d maj_err %d min_err %d\n",
status, maj_err, min_err);
goto exit;
}
INIT_LIST_HEAD(&cqp->cqp_avail_reqs);
INIT_LIST_HEAD(&cqp->cqp_pending_reqs);
/* 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(dev->hw->device, 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 = 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 = irdma_sc_ccq_init(dev->ccq, &info);
if (!status)
status = irdma_sc_ccq_create(dev->ccq, 0, true, true);
exit:
if (status) {
dma_free_coherent(dev->hw->device, 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: irdma 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_cfg_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_setup(&rf->dpc_tasklet, irdma_dpc);
status = request_irq(msix_vec->irq, irdma_irq_handler, 0,
"AEQCEQ", rf);
} else {
tasklet_setup(&iwceq->dpc_tasklet, irdma_ceq_dpc);
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) {
ibdev_dbg(&rf->iwdev->ibdev, "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, true);
return 0;
}
/**
* irdma_cfg_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_setup(&rf->dpc_tasklet, irdma_dpc);
ret = request_irq(msix_vec->irq, irdma_irq_handler, 0,
"irdma", rf);
}
if (ret) {
ibdev_dbg(&rf->iwdev->ibdev, "ERR: aeq irq config fail\n");
return IRDMA_ERR_CFG;
}
rf->sc_dev.irq_ops->irdma_cfg_aeq(&rf->sc_dev, msix_vec->idx, true);
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;
u32 ceq_size;
info.ceq_id = ceq_id;
iwceq->rf = rf;
ceq_size = min(rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt,
dev->hw_attrs.max_hw_ceq_size);
iwceq->mem.size = ALIGN(sizeof(struct irdma_ceqe) * ceq_size,
IRDMA_CEQ_ALIGNMENT);
iwceq->mem.va = dma_alloc_coherent(dev->hw->device, 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 = ceq_size;
iwceq->sc_ceq.ceq_id = ceq_id;
info.dev = dev;
info.vsi = vsi;
scratch = (uintptr_t)&rf->cqp.sc_cqp;
status = irdma_sc_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 = irdma_sc_cceq_create(&iwceq->sc_ceq, scratch);
}
if (status) {
dma_free_coherent(dev->hw->device, 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)
{
struct irdma_ceq *iwceq;
struct irdma_msix_vector *msix_vec;
u32 i;
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;
}
iwceq = &rf->ceqlist[0];
status = irdma_create_ceq(rf, iwceq, 0, &rf->default_vsi);
if (status) {
ibdev_dbg(&rf->iwdev->ibdev, "ERR: create ceq status = %d\n",
status);
goto exit;
}
spin_lock_init(&iwceq->ce_lock);
i = rf->msix_shared ? 0 : 1;
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 ceqs are 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;
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) {
ibdev_dbg(&rf->iwdev->ibdev,
"ERR: create ceq status = %d\n", status);
goto del_ceqs;
}
spin_lock_init(&iwceq->ce_lock);
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);
goto del_ceqs;
}
irdma_ena_intr(&rf->sc_dev, msix_vec->idx);
rf->ceqs_count++;
}
return 0;
del_ceqs:
irdma_del_ceqs(rf);
return status;
}
static enum irdma_status_code irdma_create_virt_aeq(struct irdma_pci_f *rf,
u32 size)
{
enum irdma_status_code status = IRDMA_ERR_NO_MEMORY;
struct irdma_aeq *aeq = &rf->aeq;
dma_addr_t *pg_arr;
u32 pg_cnt;
if (rf->rdma_ver < IRDMA_GEN_2)
return IRDMA_NOT_SUPPORTED;
aeq->mem.size = sizeof(struct irdma_sc_aeqe) * size;
aeq->mem.va = vzalloc(aeq->mem.size);
if (!aeq->mem.va)
return status;
pg_cnt = DIV_ROUND_UP(aeq->mem.size, PAGE_SIZE);
status = irdma_get_pble(rf->pble_rsrc, &aeq->palloc, pg_cnt, true);
if (status) {
vfree(aeq->mem.va);
return status;
}
pg_arr = (dma_addr_t *)aeq->palloc.level1.addr;
status = irdma_map_vm_page_list(&rf->hw, aeq->mem.va, pg_arr, pg_cnt);
if (status) {
irdma_free_pble(rf->pble_rsrc, &aeq->palloc);
vfree(aeq->mem.va);
return status;
}
return 0;
}
/**
* 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;
u32 aeq_size;
u8 multiplier = (rf->protocol_used == IRDMA_IWARP_PROTOCOL_ONLY) ? 2 : 1;
aeq_size = multiplier * hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt +
hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt;
aeq_size = min(aeq_size, dev->hw_attrs.max_hw_aeq_size);
aeq->mem.size = ALIGN(sizeof(struct irdma_sc_aeqe) * aeq_size,
IRDMA_AEQ_ALIGNMENT);
aeq->mem.va = dma_alloc_coherent(dev->hw->device, aeq->mem.size,
&aeq->mem.pa,
GFP_KERNEL | __GFP_NOWARN);
if (aeq->mem.va)
goto skip_virt_aeq;
/* physically mapped aeq failed. setup virtual aeq */
status = irdma_create_virt_aeq(rf, aeq_size);
if (status)
return status;
info.virtual_map = true;
aeq->virtual_map = info.virtual_map;
info.pbl_chunk_size = 1;
info.first_pm_pbl_idx = aeq->palloc.level1.idx;
skip_virt_aeq:
info.aeqe_base = aeq->mem.va;
info.aeq_elem_pa = aeq->mem.pa;
info.elem_cnt = aeq_size;
info.dev = dev;
info.msix_idx = rf->iw_msixtbl->idx;
status = irdma_sc_aeq_init(&aeq->sc_aeq, &info);
if (status)
goto err;
status = irdma_cqp_aeq_cmd(dev, &aeq->sc_aeq, IRDMA_OP_AEQ_CREATE);
if (status)
goto err;
return 0;
err:
if (aeq->virtual_map) {
irdma_destroy_virt_aeq(rf);
} else {
dma_free_coherent(dev->hw->device, 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: irdma 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.abi_ver = IRDMA_ABI_VER;
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)
ibdev_dbg(&iwdev->ibdev, "ERR: ilq create fail\n");
return status;
}
/**
* irdma_initialize_ieq - create iwarp exception queue
* @iwdev: irdma 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.abi_ver = IRDMA_ABI_VER;
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)
ibdev_dbg(&iwdev->ibdev, "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;
struct irdma_pci_f *rf = iwdev->rf;
irdma_puda_dele_rsrc(vsi, IRDMA_PUDA_RSRC_TYPE_IEQ, false);
if (irdma_initialize_ieq(iwdev)) {
iwdev->rf->reset = true;
rf->gen_ops.request_reset(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(rf->hw.device, 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
*
* 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)
{
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;
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 = PCI_FUNC(rf->pcidev->devfn);
info.hw = &rf->hw;
status = irdma_sc_dev_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_rt_deinit_hw - clean up the irdma device resources
* @iwdev: irdma device
*
* remove the mac ip entry and ipv4/ipv6 addresses, destroy the
* device queues and free the pble and the hmc objects
*/
void irdma_rt_deinit_hw(struct irdma_device *iwdev)
{
ibdev_dbg(&iwdev->ibdev, "INIT: state = %d\n", iwdev->init_state);
switch (iwdev->init_state) {
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 AEQ_CREATED:
case PBLE_CHUNK_MEM:
case CEQS_CREATED:
case IEQ_CREATED:
if (!iwdev->roce_mode)
irdma_puda_dele_rsrc(&iwdev->vsi, IRDMA_PUDA_RSRC_TYPE_IEQ,
iwdev->rf->reset);
fallthrough;
case ILQ_CREATED:
if (!iwdev->roce_mode)
irdma_puda_dele_rsrc(&iwdev->vsi,
IRDMA_PUDA_RSRC_TYPE_ILQ,
iwdev->rf->reset);
break;
default:
ibdev_warn(&iwdev->ibdev, "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);
}
if (iwdev->cleanup_wq)
destroy_workqueue(iwdev->cleanup_wq);
}
static enum irdma_status_code irdma_setup_init_state(struct irdma_pci_f *rf)
{
enum irdma_status_code status;
status = irdma_save_msix_info(rf);
if (status)
return status;
rf->hw.device = &rf->pcidev->dev;
rf->obj_mem.size = ALIGN(8192, IRDMA_HW_PAGE_SIZE);
rf->obj_mem.va = dma_alloc_coherent(rf->hw.device, rf->obj_mem.size,
&rf->obj_mem.pa, GFP_KERNEL);
if (!rf->obj_mem.va) {
status = IRDMA_ERR_NO_MEMORY;
goto clean_msixtbl;
}
rf->obj_next = rf->obj_mem;
status = irdma_initialize_dev(rf);
if (status)
goto clean_obj_mem;
return 0;
clean_obj_mem:
dma_free_coherent(rf->hw.device, rf->obj_mem.size, rf->obj_mem.va,
rf->obj_mem.pa);
rf->obj_mem.va = NULL;
clean_msixtbl:
kfree(rf->iw_msixtbl);
rf->iw_msixtbl = NULL;
return status;
}
/**
* irdma_get_used_rsrc - determine resources used internally
* @iwdev: irdma 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);
}
void irdma_ctrl_deinit_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_aeq(rf);
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 CCQ_CREATED:
irdma_destroy_ccq(rf);
fallthrough;
case HW_RSRC_INITIALIZED:
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:
irdma_destroy_cqp(rf, true);
fallthrough;
case INITIAL_STATE:
irdma_del_init_mem(rf);
break;
case INVALID_STATE:
default:
ibdev_warn(&rf->iwdev->ibdev, "bad init_state = %d\n", rf->init_state);
break;
}
}
/**
* irdma_rt_init_hw - Initializes runtime portion of HW
* @iwdev: irdma device
* @l2params: qos, tc, mtu info from netdev driver
*
* Create device queues ILQ, IEQ, CEQs and PBLEs. Setup irdma
* device resource objects.
*/
enum irdma_status_code irdma_rt_init_hw(struct irdma_device *iwdev,
struct irdma_l2params *l2params)
{
struct irdma_pci_f *rf = iwdev->rf;
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 = {};
vsi_info.dev = dev;
vsi_info.back_vsi = iwdev;
vsi_info.params = l2params;
vsi_info.pf_data_vsi_num = iwdev->vsi_num;
vsi_info.register_qset = rf->gen_ops.register_qset;
vsi_info.unregister_qset = rf->gen_ops.unregister_qset;
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) {
irdma_cleanup_cm_core(&iwdev->cm_core);
return IRDMA_ERR_NO_MEMORY;
}
stats_info.fcn_id = dev->hmc_fn_id;
status = irdma_vsi_stats_init(&iwdev->vsi, &stats_info);
if (status) {
irdma_cleanup_cm_core(&iwdev->cm_core);
kfree(stats_info.pestat);
return status;
}
do {
if (!iwdev->roce_mode) {
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;
}
iwdev->init_state = PBLE_CHUNK_MEM;
status = irdma_setup_aeq(rf);
if (status) {
irdma_destroy_pble_prm(rf->pble_rsrc);
irdma_del_ceqs(rf);
break;
}
iwdev->init_state = AEQ_CREATED;
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;
/* handles asynch cleanup tasks - disconnect CM , free qp,
* free cq bufs
*/
iwdev->cleanup_wq = alloc_workqueue("irdma-cleanup-wq",
WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE);
if (!iwdev->cleanup_wq)
return IRDMA_ERR_NO_MEMORY;
irdma_get_used_rsrc(iwdev);
init_waitqueue_head(&iwdev->suspend_wq);
return 0;
} while (0);
dev_err(&rf->pcidev->dev, "HW runtime init FAIL status = %d last cmpl = %d\n",
status, iwdev->init_state);
irdma_rt_deinit_hw(iwdev);
return status;
}
/**
* irdma_ctrl_init_hw - Initializes control portion of HW
* @rf: RDMA PCI function
*
* Create admin queues, HMC obejcts and RF resource objects
*/
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;
rf->init_state = HW_RSRC_INITIALIZED;
status = irdma_create_ccq(rf);
if (status)
break;
rf->init_state = CCQ_CREATED;
dev->feature_info[IRDMA_FEATURE_FW_INFO] = IRDMA_FW_VER_DEFAULT;
if (rf->rdma_ver != IRDMA_GEN_1) {
status = irdma_get_rdma_features(dev);
if (status)
break;
}
status = irdma_setup_ceq_0(rf);
if (status)
break;
rf->init_state = CEQ0_CREATED;
/* Handles processing of CQP completions */
rf->cqp_cmpl_wq = alloc_ordered_workqueue("cqp_cmpl_wq",
WQ_HIGHPRI | WQ_UNBOUND);
if (!rf->cqp_cmpl_wq) {
status = IRDMA_ERR_NO_MEMORY;
break;
}
INIT_WORK(&rf->cqp_cmpl_work, cqp_compl_worker);
irdma_sc_ccq_arm(dev->ccq);
return 0;
} while (0);
dev_err(&rf->pcidev->dev, "IRDMA hardware initialization FAILED init_state=%d status=%d\n",
rf->init_state, status);
irdma_ctrl_deinit_hw(rf);
return status;
}
/**
* irdma_set_hw_rsrc - set hw memory resources.
* @rf: RDMA PCI function
*/
static void irdma_set_hw_rsrc(struct irdma_pci_f *rf)
{
rf->allocated_qps = (void *)(rf->mem_rsrc +
(sizeof(struct irdma_arp_entry) * rf->arp_table_size));
rf->allocated_cqs = &rf->allocated_qps[BITS_TO_LONGS(rf->max_qp)];
rf->allocated_mrs = &rf->allocated_cqs[BITS_TO_LONGS(rf->max_cq)];
rf->allocated_pds = &rf->allocated_mrs[BITS_TO_LONGS(rf->max_mr)];
rf->allocated_ahs = &rf->allocated_pds[BITS_TO_LONGS(rf->max_pd)];
rf->allocated_mcgs = &rf->allocated_ahs[BITS_TO_LONGS(rf->max_ah)];
rf->allocated_arps = &rf->allocated_mcgs[BITS_TO_LONGS(rf->max_mcg)];
rf->qp_table = (struct irdma_qp **)
(&rf->allocated_arps[BITS_TO_LONGS(rf->arp_table_size)]);
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);
}
/**
* irdma_calc_mem_rsrc_size - calculate memory resources size.
* @rf: RDMA PCI function
*/
static u32 irdma_calc_mem_rsrc_size(struct irdma_pci_f *rf)
{
u32 rsrc_size;
rsrc_size = sizeof(struct irdma_arp_entry) * rf->arp_table_size;
rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(rf->max_qp);
rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(rf->max_mr);
rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(rf->max_cq);
rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(rf->max_pd);
rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(rf->arp_table_size);
rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(rf->max_ah);
rsrc_size += sizeof(unsigned long) * BITS_TO_LONGS(rf->max_mcg);
rsrc_size += sizeof(struct irdma_qp **) * rf->max_qp;
return rsrc_size;
}
/**
* irdma_initialize_hw_rsrc - initialize hw resource tracking array
* @rf: RDMA PCI function
*/
u32 irdma_initialize_hw_rsrc(struct irdma_pci_f *rf)
{
u32 rsrc_size;
u32 mrdrvbits;
u32 ret;
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;
}
rf->max_cqe = rf->sc_dev.hw_attrs.uk_attrs.max_hw_cq_size;
rf->max_qp = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt;
rf->max_mr = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt;
rf->max_cq = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt;
rf->max_pd = rf->sc_dev.hw_attrs.max_hw_pds;
rf->arp_table_size = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].cnt;
rf->max_ah = rf->sc_dev.hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt;
rf->max_mcg = rf->max_qp;
rsrc_size = irdma_calc_mem_rsrc_size(rf);
rf->mem_rsrc = kzalloc(rsrc_size, GFP_KERNEL);
if (!rf->mem_rsrc) {
ret = -ENOMEM;
goto mem_rsrc_kzalloc_fail;
}
rf->arp_table = (struct irdma_arp_entry *)rf->mem_rsrc;
irdma_set_hw_rsrc(rf);
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);
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;
mem_rsrc_kzalloc_fail:
kfree(rf->allocated_ws_nodes);
rf->allocated_ws_nodes = NULL;
return ret;
}
/**
* 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 = irdma_sc_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 && irdma_cqp_crit_err(dev, cqp_request->info.cqp_cmd,
info.maj_err_code,
info.min_err_code))
ibdev_err(&rf->iwdev->ibdev, "cqp 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);
irdma_sc_ccq_arm(cq);
}
}
/**
* cqp_compl_worker - Handle cqp completions
* @work: Pointer to work structure
*/
void cqp_compl_worker(struct work_struct *work)
{
struct irdma_pci_f *rf = container_of(work, struct irdma_pci_f,
cqp_cmpl_work);
struct irdma_sc_cq *cq = &rf->ccq.sc_cq;
irdma_cqp_ce_handler(rf, cq);
}
/**
* irdma_lookup_apbvt_entry - lookup hash table for an existing apbvt entry corresponding to port
* @cm_core: cm's core
* @port: port to identify apbvt entry
*/
static struct irdma_apbvt_entry *irdma_lookup_apbvt_entry(struct irdma_cm_core *cm_core,
u16 port)
{
struct irdma_apbvt_entry *entry;
hash_for_each_possible(cm_core->apbvt_hash_tbl, entry, hlist, port) {
if (entry->port == port) {
entry->use_cnt++;
return entry;
}
}
return NULL;
}
/**
* 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);
iwqp->iwarp_state = info.next_iwarp_state;
}
/**
* irdma_del_local_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;
cqp_request = irdma_alloc_and_get_cqp_request(iwcqp, true);
if (!cqp_request)
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;
irdma_handle_cqp_op(rf, cqp_request);
irdma_put_cqp_request(iwcqp, cqp_request);
}
/**
* irdma_add_local_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;
cqp_request = irdma_alloc_and_get_cqp_request(iwcqp, true);
if (!cqp_request)
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);
irdma_put_cqp_request(iwcqp, cqp_request);
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_alloc_and_get_cqp_request(iwcqp, true);
if (!cqp_request)
return IRDMA_ERR_NO_MEMORY;
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;
irdma_put_cqp_request(iwcqp, cqp_request);
return status;
}
/**
* irdma_cqp_manage_apbvt_cmd - send cqp command manage apbvt
* @iwdev: irdma 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_alloc_and_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;
ibdev_dbg(&iwdev->ibdev, "DEV: %s: port=0x%04x\n",
(!add_port) ? "DELETE" : "ADD", accel_local_port);
status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request);
return status;
}
/**
* irdma_add_apbvt - add tcp port to HW apbvt table
* @iwdev: irdma device
* @port: port for apbvt
*/
struct irdma_apbvt_entry *irdma_add_apbvt(struct irdma_device *iwdev, u16 port)
{
struct irdma_cm_core *cm_core = &iwdev->cm_core;
struct irdma_apbvt_entry *entry;
unsigned long flags;
spin_lock_irqsave(&cm_core->apbvt_lock, flags);
entry = irdma_lookup_apbvt_entry(cm_core, port);
if (entry) {
spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
return entry;
}
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry) {
spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
return NULL;
}
entry->port = port;
entry->use_cnt = 1;
hash_add(cm_core->apbvt_hash_tbl, &entry->hlist, entry->port);
spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
if (irdma_cqp_manage_apbvt_cmd(iwdev, port, true)) {
kfree(entry);
return NULL;
}
return entry;
}
/**
* irdma_del_apbvt - delete tcp port from HW apbvt table
* @iwdev: irdma device
* @entry: apbvt entry object
*/
void irdma_del_apbvt(struct irdma_device *iwdev,
struct irdma_apbvt_entry *entry)
{
struct irdma_cm_core *cm_core = &iwdev->cm_core;
unsigned long flags;
spin_lock_irqsave(&cm_core->apbvt_lock, flags);
if (--entry->use_cnt) {
spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
return;
}
hash_del(&entry->hlist);
/* 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.
*/
irdma_cqp_manage_apbvt_cmd(iwdev, entry->port, false);
kfree(entry);
spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
}
/**
* 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_alloc_and_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->post_sq = 1;
irdma_handle_cqp_op(rf, cqp_request);
irdma_put_cqp_request(&rf->cqp, cqp_request);
}
/**
* 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)
{
struct irdma_cm_node *cm_node = cqp_request->param;
irdma_send_syn(cm_node, 1);
irdma_rem_ref_cm_node(cm_node);
}
/**
* irdma_manage_qhash - add or modify qhash
* @iwdev: irdma 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;
enum irdma_status_code status;
struct irdma_cqp *iwcqp = &iwdev->rf->cqp;
struct irdma_cqp_request *cqp_request;
struct cqp_cmds_info *cqp_info;
struct irdma_cm_node *cm_node = cmnode;
cqp_request = irdma_alloc_and_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 (!wait)
refcount_inc(&cm_node->refcnt);
}
if (info->ipv4_valid)
ibdev_dbg(&iwdev->ibdev,
"CM: %s caller: %pS loc_port=0x%04x rem_port=0x%04x loc_addr=%pI4 rem_addr=%pI4 mac=%pM, vlan_id=%d cm_node=%p\n",
(!mtype) ? "DELETE" : "ADD",
__builtin_return_address(0), info->dest_port,
info->src_port, info->dest_ip, info->src_ip,
info->mac_addr, cminfo->vlan_id,
cmnode ? cmnode : NULL);
else
ibdev_dbg(&iwdev->ibdev,
"CM: %s caller: %pS loc_port=0x%04x rem_port=0x%04x loc_addr=%pI6 rem_addr=%pI6 mac=%pM, vlan_id=%d cm_node=%p\n",
(!mtype) ? "DELETE" : "ADD",
__builtin_return_address(0), info->dest_port,
info->src_port, info->dest_ip, info->src_ip,
info->mac_addr, cminfo->vlan_id,
cmnode ? cmnode : NULL);
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 && cm_node && !wait)
irdma_rem_ref_cm_node(cm_node);
irdma_put_cqp_request(iwcqp, cqp_request);
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_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;
}
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)) {
if (IRDMA_RING_MORE_WORK(qp->qp_uk.sq_ring)) {
ibdev_err(&iwqp->iwdev->ibdev, "Flush QP[%d] failed, SQ has more work",
qp->qp_uk.qp_id);
irdma_ib_qp_event(iwqp, IRDMA_QP_EVENT_CATASTROPHIC);
}
qp->qp_uk.sq_flush_complete = true;
}
}
/**
* 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;
cqp_request = irdma_alloc_and_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) {
qp->qp_uk.sq_flush_complete = true;
qp->qp_uk.rq_flush_complete = true;
irdma_put_cqp_request(&rf->cqp, cqp_request);
return status;
}
if (!wait || cqp_request->compl_info.maj_err_code)
goto put_cqp;
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;
}
}
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) {
/*
* 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;
if (!qp->qp_uk.sq_flush_complete)
goto put_cqp;
qp->qp_uk.sq_flush_complete = false;
qp->flush_sq = false;
info->rq = false;
info->sq = true;
new_req = irdma_alloc_and_get_cqp_request(&rf->cqp, true);
if (!new_req) {
status = IRDMA_ERR_NO_MEMORY;
goto put_cqp;
}
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) {
ibdev_err(&iwqp->iwdev->ibdev, "fatal QP event: SQ in error but not flushed, qp: %d",
iwqp->ibqp.qp_num);
qp->qp_uk.sq_flush_complete = false;
irdma_ib_qp_event(iwqp, IRDMA_QP_EVENT_CATASTROPHIC);
}
irdma_put_cqp_request(&rf->cqp, new_req);
} else {
/* SQ WQE flush was requested but did not happen */
qp->qp_uk.sq_flush_complete = true;
}
} else {
if (!IRDMA_RING_MORE_WORK(qp->qp_uk.sq_ring))
qp->qp_uk.sq_flush_complete = true;
}
}
ibdev_dbg(&rf->iwdev->ibdev,
"VERBS: qp_id=%d qp_type=%d qpstate=%d ibqpstate=%d last_aeq=%d hw_iw_state=%d maj_err_code=%d min_err_code=%d\n",
iwqp->ibqp.qp_num, rf->protocol_used, iwqp->iwarp_state,
iwqp->ibqp_state, iwqp->last_aeq, iwqp->hw_iwarp_state,
cqp_request->compl_info.maj_err_code,
cqp_request->compl_info.min_err_code);
put_cqp:
irdma_put_cqp_request(&rf->cqp, cqp_request);
return status;
}
/**
* 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_alloc_and_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;
irdma_handle_cqp_op(rf, cqp_request);
irdma_put_cqp_request(&rf->cqp, cqp_request);
}
void irdma_flush_wqes(struct irdma_qp *iwqp, u32 flush_mask)
{
struct irdma_qp_flush_info info = {};
struct irdma_pci_f *rf = iwqp->iwdev->rf;
u8 flush_code = iwqp->sc_qp.flush_code;
if (!(flush_mask & IRDMA_FLUSH_SQ) && !(flush_mask & IRDMA_FLUSH_RQ))
return;
/* Set flush info fields*/
info.sq = flush_mask & IRDMA_FLUSH_SQ;
info.rq = flush_mask & IRDMA_FLUSH_RQ;
if (flush_mask & IRDMA_REFLUSH) {
if (info.sq)
iwqp->sc_qp.flush_sq = false;
if (info.rq)
iwqp->sc_qp.flush_rq = false;
}
/* Generate userflush errors in CQE */
info.sq_major_code = IRDMA_FLUSH_MAJOR_ERR;
info.sq_minor_code = FLUSH_GENERAL_ERR;
info.rq_major_code = IRDMA_FLUSH_MAJOR_ERR;
info.rq_minor_code = FLUSH_GENERAL_ERR;
info.userflushcode = true;
if (flush_code) {
if (info.sq && iwqp->sc_qp.sq_flush_code)
info.sq_minor_code = flush_code;
if (info.rq && iwqp->sc_qp.rq_flush_code)
info.rq_minor_code = flush_code;
}
/* Issue flush */
(void)irdma_hw_flush_wqes(rf, &iwqp->sc_qp, &info,
flush_mask & IRDMA_FLUSH_WAIT);
iwqp->flush_issued = true;
}