diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.c | 71 |
1 files changed, 46 insertions, 25 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 9784c6c0d2ec..d5b643a1d9fd 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -4104,6 +4104,9 @@ def_access_ibp_counter(seq_naks); static struct cntr_entry dev_cntrs[DEV_CNTR_LAST] = { [C_RCV_OVF] = RXE32_DEV_CNTR_ELEM(RcvOverflow, RCV_BUF_OVFL_CNT, CNTR_SYNTH), +[C_RX_LEN_ERR] = RXE32_DEV_CNTR_ELEM(RxLenErr, RCV_LENGTH_ERR_CNT, CNTR_SYNTH), +[C_RX_ICRC_ERR] = RXE32_DEV_CNTR_ELEM(RxICrcErr, RCV_ICRC_ERR_CNT, CNTR_SYNTH), +[C_RX_EBP] = RXE32_DEV_CNTR_ELEM(RxEbpCnt, RCV_EBP_CNT, CNTR_SYNTH), [C_RX_TID_FULL] = RXE32_DEV_CNTR_ELEM(RxTIDFullEr, RCV_TID_FULL_ERR_CNT, CNTR_NORMAL), [C_RX_TID_INVALID] = RXE32_DEV_CNTR_ELEM(RxTIDInvalid, RCV_TID_VALID_ERR_CNT, @@ -8365,7 +8368,6 @@ static inline void clear_recv_intr(struct hfi1_ctxtdata *rcd) struct hfi1_devdata *dd = rcd->dd; u32 addr = CCE_INT_CLEAR + (8 * rcd->ireg); - mmiowb(); /* make sure everything before is written */ write_csr(dd, addr, rcd->imask); /* force the above write on the chip and get a value back */ (void)read_csr(dd, addr); @@ -9848,6 +9850,7 @@ void hfi1_quiet_serdes(struct hfi1_pportdata *ppd) /* disable the port */ clear_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK); + cancel_work_sync(&ppd->freeze_work); } static inline int init_cpu_counters(struct hfi1_devdata *dd) @@ -11803,12 +11806,10 @@ void update_usrhead(struct hfi1_ctxtdata *rcd, u32 hd, u32 updegr, u32 egrhd, << RCV_EGR_INDEX_HEAD_HEAD_SHIFT; write_uctxt_csr(dd, ctxt, RCV_EGR_INDEX_HEAD, reg); } - mmiowb(); reg = ((u64)rcv_intr_count << RCV_HDR_HEAD_COUNTER_SHIFT) | (((u64)hd & RCV_HDR_HEAD_HEAD_MASK) << RCV_HDR_HEAD_HEAD_SHIFT); write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, reg); - mmiowb(); } u32 hdrqempty(struct hfi1_ctxtdata *rcd) @@ -13297,15 +13298,18 @@ static int set_up_context_variables(struct hfi1_devdata *dd) /* * The RMT entries are currently allocated as shown below: * 1. QOS (0 to 128 entries); - * 2. FECN for PSM (num_user_contexts + num_vnic_contexts); + * 2. FECN (num_kernel_context - 1 + num_user_contexts + + * num_vnic_contexts); * 3. VNIC (num_vnic_contexts). - * It should be noted that PSM FECN oversubscribe num_vnic_contexts + * It should be noted that FECN oversubscribe num_vnic_contexts * entries of RMT because both VNIC and PSM could allocate any receive * context between dd->first_dyn_alloc_text and dd->num_rcv_contexts, * and PSM FECN must reserve an RMT entry for each possible PSM receive * context. */ rmt_count = qos_rmt_entries(dd, NULL, NULL) + (num_vnic_contexts * 2); + if (HFI1_CAP_IS_KSET(TID_RDMA)) + rmt_count += num_kernel_contexts - 1; if (rmt_count + n_usr_ctxts > NUM_MAP_ENTRIES) { user_rmt_reduced = NUM_MAP_ENTRIES - rmt_count; dd_dev_err(dd, @@ -14028,6 +14032,19 @@ static void init_kdeth_qp(struct hfi1_devdata *dd) } /** + * hfi1_get_qp_map + * @dd: device data + * @idx: index to read + */ +u8 hfi1_get_qp_map(struct hfi1_devdata *dd, u8 idx) +{ + u64 reg = read_csr(dd, RCV_QP_MAP_TABLE + (idx / 8) * 8); + + reg >>= (idx % 8) * 8; + return reg; +} + +/** * init_qpmap_table * @dd - device data * @first_ctxt - first context @@ -14288,37 +14305,43 @@ bail: init_qpmap_table(dd, FIRST_KERNEL_KCTXT, dd->n_krcv_queues - 1); } -static void init_user_fecn_handling(struct hfi1_devdata *dd, - struct rsm_map_table *rmt) +static void init_fecn_handling(struct hfi1_devdata *dd, + struct rsm_map_table *rmt) { struct rsm_rule_data rrd; u64 reg; - int i, idx, regoff, regidx; + int i, idx, regoff, regidx, start; u8 offset; u32 total_cnt; + if (HFI1_CAP_IS_KSET(TID_RDMA)) + /* Exclude context 0 */ + start = 1; + else + start = dd->first_dyn_alloc_ctxt; + + total_cnt = dd->num_rcv_contexts - start; + /* there needs to be enough room in the map table */ - total_cnt = dd->num_rcv_contexts - dd->first_dyn_alloc_ctxt; if (rmt->used + total_cnt >= NUM_MAP_ENTRIES) { - dd_dev_err(dd, "User FECN handling disabled - too many user contexts allocated\n"); + dd_dev_err(dd, "FECN handling disabled - too many contexts allocated\n"); return; } /* * RSM will extract the destination context as an index into the * map table. The destination contexts are a sequential block - * in the range first_dyn_alloc_ctxt...num_rcv_contexts-1 (inclusive). + * in the range start...num_rcv_contexts-1 (inclusive). * Map entries are accessed as offset + extracted value. Adjust * the added offset so this sequence can be placed anywhere in * the table - as long as the entries themselves do not wrap. * There are only enough bits in offset for the table size, so * start with that to allow for a "negative" offset. */ - offset = (u8)(NUM_MAP_ENTRIES + (int)rmt->used - - (int)dd->first_dyn_alloc_ctxt); + offset = (u8)(NUM_MAP_ENTRIES + rmt->used - start); - for (i = dd->first_dyn_alloc_ctxt, idx = rmt->used; - i < dd->num_rcv_contexts; i++, idx++) { + for (i = start, idx = rmt->used; i < dd->num_rcv_contexts; + i++, idx++) { /* replace with identity mapping */ regoff = (idx % 8) * 8; regidx = idx / 8; @@ -14440,7 +14463,7 @@ static void init_rxe(struct hfi1_devdata *dd) rmt = alloc_rsm_map_table(dd); /* set up QOS, including the QPN map table */ init_qos(dd, rmt); - init_user_fecn_handling(dd, rmt); + init_fecn_handling(dd, rmt); complete_rsm_map_table(dd, rmt); /* record number of used rsm map entries for vnic */ dd->vnic.rmt_start = rmt->used; @@ -14666,8 +14689,8 @@ void hfi1_start_cleanup(struct hfi1_devdata *dd) */ static int init_asic_data(struct hfi1_devdata *dd) { - unsigned long flags; - struct hfi1_devdata *tmp, *peer = NULL; + unsigned long index; + struct hfi1_devdata *peer; struct hfi1_asic_data *asic_data; int ret = 0; @@ -14676,14 +14699,12 @@ static int init_asic_data(struct hfi1_devdata *dd) if (!asic_data) return -ENOMEM; - spin_lock_irqsave(&hfi1_devs_lock, flags); + xa_lock_irq(&hfi1_dev_table); /* Find our peer device */ - list_for_each_entry(tmp, &hfi1_dev_list, list) { - if ((HFI_BASE_GUID(dd) == HFI_BASE_GUID(tmp)) && - dd->unit != tmp->unit) { - peer = tmp; + xa_for_each(&hfi1_dev_table, index, peer) { + if ((HFI_BASE_GUID(dd) == HFI_BASE_GUID(peer)) && + dd->unit != peer->unit) break; - } } if (peer) { @@ -14695,7 +14716,7 @@ static int init_asic_data(struct hfi1_devdata *dd) mutex_init(&dd->asic_data->asic_resource_mutex); } dd->asic_data->dds[dd->hfi1_id] = dd; /* self back-pointer */ - spin_unlock_irqrestore(&hfi1_devs_lock, flags); + xa_unlock_irq(&hfi1_dev_table); /* first one through - set up i2c devices */ if (!peer) |