| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mustafa Ismail | 27264 | 97.27% | 4 | 23.53% |
| Krzysztof Czurylo | 354 | 1.26% | 1 | 5.88% |
| Shiraz Saleem | 352 | 1.26% | 3 | 17.65% |
| Christopher N Bednarz | 32 | 0.11% | 1 | 5.88% |
| Nayan Kumar | 12 | 0.04% | 1 | 5.88% |
| Dan Carpenter | 5 | 0.02% | 1 | 5.88% |
| David Lebrun | 3 | 0.01% | 1 | 5.88% |
| Colin Ian King | 3 | 0.01% | 1 | 5.88% |
| Sindhu Devale | 2 | 0.01% | 1 | 5.88% |
| Zhu Yanjun | 2 | 0.01% | 2 | 11.76% |
| Krzysztof Kozlowski | 1 | 0.00% | 1 | 5.88% |
| Total | 28030 | 17 |
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include <linux/etherdevice.h> #include "osdep.h" #include "hmc.h" #include "defs.h" #include "type.h" #include "ws.h" #include "protos.h" /** * irdma_get_qp_from_list - get next qp from a list * @head: Listhead of qp's * @qp: current qp */ struct irdma_sc_qp *irdma_get_qp_from_list(struct list_head *head, struct irdma_sc_qp *qp) { struct list_head *lastentry; struct list_head *entry = NULL; if (list_empty(head)) return NULL; if (!qp) { entry = head->next; } else { lastentry = &qp->list; entry = lastentry->next; if (entry == head) return NULL; } return container_of(entry, struct irdma_sc_qp, list); } /** * irdma_sc_suspend_resume_qps - suspend/resume all qp's on VSI * @vsi: the VSI struct pointer * @op: Set to IRDMA_OP_RESUME or IRDMA_OP_SUSPEND */ void irdma_sc_suspend_resume_qps(struct irdma_sc_vsi *vsi, u8 op) { struct irdma_sc_qp *qp = NULL; u8 i; for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) { mutex_lock(&vsi->qos[i].qos_mutex); qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp); while (qp) { if (op == IRDMA_OP_RESUME) { if (!qp->dev->ws_add(vsi, i)) { qp->qs_handle = vsi->qos[qp->user_pri].qs_handle; irdma_cqp_qp_suspend_resume(qp, op); } else { irdma_cqp_qp_suspend_resume(qp, op); irdma_modify_qp_to_err(qp); } } else if (op == IRDMA_OP_SUSPEND) { /* issue cqp suspend command */ if (!irdma_cqp_qp_suspend_resume(qp, op)) atomic_inc(&vsi->qp_suspend_reqs); } qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp); } mutex_unlock(&vsi->qos[i].qos_mutex); } } static void irdma_set_qos_info(struct irdma_sc_vsi *vsi, struct irdma_l2params *l2p) { u8 i; vsi->qos_rel_bw = l2p->vsi_rel_bw; vsi->qos_prio_type = l2p->vsi_prio_type; vsi->dscp_mode = l2p->dscp_mode; if (l2p->dscp_mode) { memcpy(vsi->dscp_map, l2p->dscp_map, sizeof(vsi->dscp_map)); for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) l2p->up2tc[i] = i; } for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) { if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) vsi->qos[i].qs_handle = l2p->qs_handle_list[i]; vsi->qos[i].traffic_class = l2p->up2tc[i]; vsi->qos[i].rel_bw = l2p->tc_info[vsi->qos[i].traffic_class].rel_bw; vsi->qos[i].prio_type = l2p->tc_info[vsi->qos[i].traffic_class].prio_type; vsi->qos[i].valid = false; } } /** * irdma_change_l2params - given the new l2 parameters, change all qp * @vsi: RDMA VSI pointer * @l2params: New parameters from l2 */ void irdma_change_l2params(struct irdma_sc_vsi *vsi, struct irdma_l2params *l2params) { if (l2params->mtu_changed) { vsi->mtu = l2params->mtu; if (vsi->ieq) irdma_reinitialize_ieq(vsi); } if (!l2params->tc_changed) return; vsi->tc_change_pending = false; irdma_set_qos_info(vsi, l2params); irdma_sc_suspend_resume_qps(vsi, IRDMA_OP_RESUME); } /** * irdma_qp_rem_qos - remove qp from qos lists during destroy qp * @qp: qp to be removed from qos */ void irdma_qp_rem_qos(struct irdma_sc_qp *qp) { struct irdma_sc_vsi *vsi = qp->vsi; ibdev_dbg(to_ibdev(qp->dev), "DCB: DCB: Remove qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n", qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle, qp->on_qoslist); mutex_lock(&vsi->qos[qp->user_pri].qos_mutex); if (qp->on_qoslist) { qp->on_qoslist = false; list_del(&qp->list); } mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex); } /** * irdma_qp_add_qos - called during setctx for qp to be added to qos * @qp: qp to be added to qos */ void irdma_qp_add_qos(struct irdma_sc_qp *qp) { struct irdma_sc_vsi *vsi = qp->vsi; ibdev_dbg(to_ibdev(qp->dev), "DCB: DCB: Add qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n", qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle, qp->on_qoslist); mutex_lock(&vsi->qos[qp->user_pri].qos_mutex); if (!qp->on_qoslist) { list_add(&qp->list, &vsi->qos[qp->user_pri].qplist); qp->on_qoslist = true; qp->qs_handle = vsi->qos[qp->user_pri].qs_handle; } mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex); } /** * irdma_sc_pd_init - initialize sc pd struct * @dev: sc device struct * @pd: sc pd ptr * @pd_id: pd_id for allocated pd * @abi_ver: User/Kernel ABI version */ void irdma_sc_pd_init(struct irdma_sc_dev *dev, struct irdma_sc_pd *pd, u32 pd_id, int abi_ver) { pd->pd_id = pd_id; pd->abi_ver = abi_ver; pd->dev = dev; } /** * irdma_sc_add_arp_cache_entry - cqp wqe add arp cache entry * @cqp: struct for cqp hw * @info: arp entry information * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_add_arp_cache_entry(struct irdma_sc_cqp *cqp, struct irdma_add_arp_cache_entry_info *info, u64 scratch, bool post_sq) { __le64 *wqe; u64 hdr; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 8, info->reach_max); set_64bit_val(wqe, 16, ether_addr_to_u64(info->mac_addr)); hdr = info->arp_index | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) | FIELD_PREP(IRDMA_CQPSQ_MAT_PERMANENT, (info->permanent ? 1 : 0)) | FIELD_PREP(IRDMA_CQPSQ_MAT_ENTRYVALID, 1) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: ARP_CACHE_ENTRY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_del_arp_cache_entry - dele arp cache entry * @cqp: struct for cqp hw * @scratch: u64 saved to be used during cqp completion * @arp_index: arp index to delete arp entry * @post_sq: flag for cqp db to ring */ static int irdma_sc_del_arp_cache_entry(struct irdma_sc_cqp *cqp, u64 scratch, u16 arp_index, bool post_sq) { __le64 *wqe; u64 hdr; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; hdr = arp_index | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: ARP_CACHE_DEL_ENTRY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_manage_apbvt_entry - for adding and deleting apbvt entries * @cqp: struct for cqp hw * @info: info for apbvt entry to add or delete * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_manage_apbvt_entry(struct irdma_sc_cqp *cqp, struct irdma_apbvt_info *info, u64 scratch, bool post_sq) { __le64 *wqe; u64 hdr; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, info->port); hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_APBVT) | FIELD_PREP(IRDMA_CQPSQ_MAPT_ADDPORT, info->add) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: MANAGE_APBVT WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_manage_qhash_table_entry - manage quad hash entries * @cqp: struct for cqp hw * @info: info for quad hash to manage * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring * * This is called before connection establishment is started. * For passive connections, when listener is created, it will * call with entry type of IRDMA_QHASH_TYPE_TCP_SYN with local * ip address and tcp port. When SYN is received (passive * connections) or sent (active connections), this routine is * called with entry type of IRDMA_QHASH_TYPE_TCP_ESTABLISHED * and quad is passed in info. * * When iwarp connection is done and its state moves to RTS, the * quad hash entry in the hardware will point to iwarp's qp * number and requires no calls from the driver. */ static int irdma_sc_manage_qhash_table_entry(struct irdma_sc_cqp *cqp, struct irdma_qhash_table_info *info, u64 scratch, bool post_sq) { __le64 *wqe; u64 qw1 = 0; u64 qw2 = 0; u64 temp; struct irdma_sc_vsi *vsi = info->vsi; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 0, ether_addr_to_u64(info->mac_addr)); qw1 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QPN, info->qp_num) | FIELD_PREP(IRDMA_CQPSQ_QHASH_DEST_PORT, info->dest_port); if (info->ipv4_valid) { set_64bit_val(wqe, 48, FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[0])); } else { set_64bit_val(wqe, 56, FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->dest_ip[0]) | FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->dest_ip[1])); set_64bit_val(wqe, 48, FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->dest_ip[2]) | FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[3])); } qw2 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QS_HANDLE, vsi->qos[info->user_pri].qs_handle); if (info->vlan_valid) qw2 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANID, info->vlan_id); set_64bit_val(wqe, 16, qw2); if (info->entry_type == IRDMA_QHASH_TYPE_TCP_ESTABLISHED) { qw1 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_SRC_PORT, info->src_port); if (!info->ipv4_valid) { set_64bit_val(wqe, 40, FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->src_ip[0]) | FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->src_ip[1])); set_64bit_val(wqe, 32, FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->src_ip[2]) | FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[3])); } else { set_64bit_val(wqe, 32, FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[0])); } } set_64bit_val(wqe, 8, qw1); temp = FIELD_PREP(IRDMA_CQPSQ_QHASH_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_QHASH_OPCODE, IRDMA_CQP_OP_MANAGE_QUAD_HASH_TABLE_ENTRY) | FIELD_PREP(IRDMA_CQPSQ_QHASH_MANAGE, info->manage) | FIELD_PREP(IRDMA_CQPSQ_QHASH_IPV4VALID, info->ipv4_valid) | FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANVALID, info->vlan_valid) | FIELD_PREP(IRDMA_CQPSQ_QHASH_ENTRYTYPE, info->entry_type); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, temp); print_hex_dump_debug("WQE: MANAGE_QHASH WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_qp_init - initialize qp * @qp: sc qp * @info: initialization qp info */ int irdma_sc_qp_init(struct irdma_sc_qp *qp, struct irdma_qp_init_info *info) { int ret_code; u32 pble_obj_cnt; u16 wqe_size; if (info->qp_uk_init_info.max_sq_frag_cnt > info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags || info->qp_uk_init_info.max_rq_frag_cnt > info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags) return -EINVAL; qp->dev = info->pd->dev; qp->vsi = info->vsi; qp->ieq_qp = info->vsi->exception_lan_q; qp->sq_pa = info->sq_pa; qp->rq_pa = info->rq_pa; qp->hw_host_ctx_pa = info->host_ctx_pa; qp->q2_pa = info->q2_pa; qp->shadow_area_pa = info->shadow_area_pa; qp->q2_buf = info->q2; qp->pd = info->pd; qp->hw_host_ctx = info->host_ctx; info->qp_uk_init_info.wqe_alloc_db = qp->pd->dev->wqe_alloc_db; ret_code = irdma_uk_qp_init(&qp->qp_uk, &info->qp_uk_init_info); if (ret_code) return ret_code; qp->virtual_map = info->virtual_map; pble_obj_cnt = info->pd->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; if ((info->virtual_map && info->sq_pa >= pble_obj_cnt) || (info->virtual_map && info->rq_pa >= pble_obj_cnt)) return -EINVAL; qp->llp_stream_handle = (void *)(-1); qp->hw_sq_size = irdma_get_encoded_wqe_size(qp->qp_uk.sq_ring.size, IRDMA_QUEUE_TYPE_SQ_RQ); ibdev_dbg(to_ibdev(qp->dev), "WQE: hw_sq_size[%04d] sq_ring.size[%04d]\n", qp->hw_sq_size, qp->qp_uk.sq_ring.size); if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1 && qp->pd->abi_ver > 4) wqe_size = IRDMA_WQE_SIZE_128; else ret_code = irdma_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt, &wqe_size); if (ret_code) return ret_code; qp->hw_rq_size = irdma_get_encoded_wqe_size(qp->qp_uk.rq_size * (wqe_size / IRDMA_QP_WQE_MIN_SIZE), IRDMA_QUEUE_TYPE_SQ_RQ); ibdev_dbg(to_ibdev(qp->dev), "WQE: hw_rq_size[%04d] qp_uk.rq_size[%04d] wqe_size[%04d]\n", qp->hw_rq_size, qp->qp_uk.rq_size, wqe_size); qp->sq_tph_val = info->sq_tph_val; qp->rq_tph_val = info->rq_tph_val; qp->sq_tph_en = info->sq_tph_en; qp->rq_tph_en = info->rq_tph_en; qp->rcv_tph_en = info->rcv_tph_en; qp->xmit_tph_en = info->xmit_tph_en; qp->qp_uk.first_sq_wq = info->qp_uk_init_info.first_sq_wq; qp->qs_handle = qp->vsi->qos[qp->user_pri].qs_handle; return 0; } /** * irdma_sc_qp_create - create qp * @qp: sc qp * @info: qp create info * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ int irdma_sc_qp_create(struct irdma_sc_qp *qp, struct irdma_create_qp_info *info, u64 scratch, bool post_sq) { struct irdma_sc_cqp *cqp; __le64 *wqe; u64 hdr; cqp = qp->dev->cqp; if (qp->qp_uk.qp_id < cqp->dev->hw_attrs.min_hw_qp_id || qp->qp_uk.qp_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt) return -EINVAL; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, qp->hw_host_ctx_pa); set_64bit_val(wqe, 40, qp->shadow_area_pa); hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_QP) | FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, (info->ord_valid ? 1 : 0)) | FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) | FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) | FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID, info->arp_cache_idx_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: QP_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_qp_modify - modify qp cqp wqe * @qp: sc qp * @info: modify qp info * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ int irdma_sc_qp_modify(struct irdma_sc_qp *qp, struct irdma_modify_qp_info *info, u64 scratch, bool post_sq) { __le64 *wqe; struct irdma_sc_cqp *cqp; u64 hdr; u8 term_actions = 0; u8 term_len = 0; cqp = qp->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; if (info->next_iwarp_state == IRDMA_QP_STATE_TERMINATE) { if (info->dont_send_fin) term_actions += IRDMAQP_TERM_SEND_TERM_ONLY; if (info->dont_send_term) term_actions += IRDMAQP_TERM_SEND_FIN_ONLY; if (term_actions == IRDMAQP_TERM_SEND_TERM_AND_FIN || term_actions == IRDMAQP_TERM_SEND_TERM_ONLY) term_len = info->termlen; } set_64bit_val(wqe, 8, FIELD_PREP(IRDMA_CQPSQ_QP_NEWMSS, info->new_mss) | FIELD_PREP(IRDMA_CQPSQ_QP_TERMLEN, term_len)); set_64bit_val(wqe, 16, qp->hw_host_ctx_pa); set_64bit_val(wqe, 40, qp->shadow_area_pa); hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_QP) | FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, info->ord_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_CACHEDVARVALID, info->cached_var_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) | FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) | FIELD_PREP(IRDMA_CQPSQ_QP_MSSCHANGE, info->mss_change) | FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY, info->remove_hash_idx) | FIELD_PREP(IRDMA_CQPSQ_QP_TERMACT, term_actions) | FIELD_PREP(IRDMA_CQPSQ_QP_RESETCON, info->reset_tcp_conn) | FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID, info->arp_cache_idx_valid) | FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: QP_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_qp_destroy - cqp destroy qp * @qp: sc qp * @scratch: u64 saved to be used during cqp completion * @remove_hash_idx: flag if to remove hash idx * @ignore_mw_bnd: memory window bind flag * @post_sq: flag for cqp db to ring */ int irdma_sc_qp_destroy(struct irdma_sc_qp *qp, u64 scratch, bool remove_hash_idx, bool ignore_mw_bnd, bool post_sq) { __le64 *wqe; struct irdma_sc_cqp *cqp; u64 hdr; cqp = qp->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, qp->hw_host_ctx_pa); set_64bit_val(wqe, 40, qp->shadow_area_pa); hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_QP) | FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) | FIELD_PREP(IRDMA_CQPSQ_QP_IGNOREMWBOUND, ignore_mw_bnd) | FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY, remove_hash_idx) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: QP_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_get_encoded_ird_size - * @ird_size: IRD size * The ird from the connection is rounded to a supported HW setting and then encoded * for ird_size field of qp_ctx. Consumers are expected to provide valid ird size based * on hardware attributes. IRD size defaults to a value of 4 in case of invalid input */ static u8 irdma_sc_get_encoded_ird_size(u16 ird_size) { switch (ird_size ? roundup_pow_of_two(2 * ird_size) : 4) { case 256: return IRDMA_IRD_HW_SIZE_256; case 128: return IRDMA_IRD_HW_SIZE_128; case 64: case 32: return IRDMA_IRD_HW_SIZE_64; case 16: case 8: return IRDMA_IRD_HW_SIZE_16; case 4: default: break; } return IRDMA_IRD_HW_SIZE_4; } /** * irdma_sc_qp_setctx_roce - set qp's context * @qp: sc qp * @qp_ctx: context ptr * @info: ctx info */ void irdma_sc_qp_setctx_roce(struct irdma_sc_qp *qp, __le64 *qp_ctx, struct irdma_qp_host_ctx_info *info) { struct irdma_roce_offload_info *roce_info; struct irdma_udp_offload_info *udp; u8 push_mode_en; u32 push_idx; roce_info = info->roce_info; udp = info->udp_info; qp->user_pri = info->user_pri; if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) { push_mode_en = 0; push_idx = 0; } else { push_mode_en = 1; push_idx = qp->push_idx; } set_64bit_val(qp_ctx, 0, FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) | FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) | FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) | FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) | FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) | FIELD_PREP(IRDMAQPC_PPIDX, push_idx) | FIELD_PREP(IRDMAQPC_PMENA, push_mode_en) | FIELD_PREP(IRDMAQPC_PDIDXHI, roce_info->pd_id >> 16) | FIELD_PREP(IRDMAQPC_DC_TCP_EN, roce_info->dctcp_en) | FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID, roce_info->err_rq_idx_valid) | FIELD_PREP(IRDMAQPC_ISQP1, roce_info->is_qp1) | FIELD_PREP(IRDMAQPC_ROCE_TVER, roce_info->roce_tver) | FIELD_PREP(IRDMAQPC_IPV4, udp->ipv4) | FIELD_PREP(IRDMAQPC_INSERTVLANTAG, udp->insert_vlan_tag)); set_64bit_val(qp_ctx, 8, qp->sq_pa); set_64bit_val(qp_ctx, 16, qp->rq_pa); if ((roce_info->dcqcn_en || roce_info->dctcp_en) && !(udp->tos & 0x03)) udp->tos |= ECN_CODE_PT_VAL; set_64bit_val(qp_ctx, 24, FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) | FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size) | FIELD_PREP(IRDMAQPC_TTL, udp->ttl) | FIELD_PREP(IRDMAQPC_TOS, udp->tos) | FIELD_PREP(IRDMAQPC_SRCPORTNUM, udp->src_port) | FIELD_PREP(IRDMAQPC_DESTPORTNUM, udp->dst_port)); set_64bit_val(qp_ctx, 32, FIELD_PREP(IRDMAQPC_DESTIPADDR2, udp->dest_ip_addr[2]) | FIELD_PREP(IRDMAQPC_DESTIPADDR3, udp->dest_ip_addr[3])); set_64bit_val(qp_ctx, 40, FIELD_PREP(IRDMAQPC_DESTIPADDR0, udp->dest_ip_addr[0]) | FIELD_PREP(IRDMAQPC_DESTIPADDR1, udp->dest_ip_addr[1])); set_64bit_val(qp_ctx, 48, FIELD_PREP(IRDMAQPC_SNDMSS, udp->snd_mss) | FIELD_PREP(IRDMAQPC_VLANTAG, udp->vlan_tag) | FIELD_PREP(IRDMAQPC_ARPIDX, udp->arp_idx)); set_64bit_val(qp_ctx, 56, FIELD_PREP(IRDMAQPC_PKEY, roce_info->p_key) | FIELD_PREP(IRDMAQPC_PDIDX, roce_info->pd_id) | FIELD_PREP(IRDMAQPC_ACKCREDITS, roce_info->ack_credits) | FIELD_PREP(IRDMAQPC_FLOWLABEL, udp->flow_label)); set_64bit_val(qp_ctx, 64, FIELD_PREP(IRDMAQPC_QKEY, roce_info->qkey) | FIELD_PREP(IRDMAQPC_DESTQP, roce_info->dest_qp)); set_64bit_val(qp_ctx, 80, FIELD_PREP(IRDMAQPC_PSNNXT, udp->psn_nxt) | FIELD_PREP(IRDMAQPC_LSN, udp->lsn)); set_64bit_val(qp_ctx, 88, FIELD_PREP(IRDMAQPC_EPSN, udp->epsn)); set_64bit_val(qp_ctx, 96, FIELD_PREP(IRDMAQPC_PSNMAX, udp->psn_max) | FIELD_PREP(IRDMAQPC_PSNUNA, udp->psn_una)); set_64bit_val(qp_ctx, 112, FIELD_PREP(IRDMAQPC_CWNDROCE, udp->cwnd)); set_64bit_val(qp_ctx, 128, FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, roce_info->err_rq_idx) | FIELD_PREP(IRDMAQPC_RNRNAK_THRESH, udp->rnr_nak_thresh) | FIELD_PREP(IRDMAQPC_REXMIT_THRESH, udp->rexmit_thresh) | FIELD_PREP(IRDMAQPC_RTOMIN, roce_info->rtomin)); set_64bit_val(qp_ctx, 136, FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) | FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num)); set_64bit_val(qp_ctx, 144, FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx)); set_64bit_val(qp_ctx, 152, ether_addr_to_u64(roce_info->mac_addr) << 16); set_64bit_val(qp_ctx, 160, FIELD_PREP(IRDMAQPC_ORDSIZE, roce_info->ord_size) | FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(roce_info->ird_size)) | FIELD_PREP(IRDMAQPC_WRRDRSPOK, roce_info->wr_rdresp_en) | FIELD_PREP(IRDMAQPC_RDOK, roce_info->rd_en) | FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) | FIELD_PREP(IRDMAQPC_BINDEN, roce_info->bind_en) | FIELD_PREP(IRDMAQPC_FASTREGEN, roce_info->fast_reg_en) | FIELD_PREP(IRDMAQPC_DCQCNENABLE, roce_info->dcqcn_en) | FIELD_PREP(IRDMAQPC_RCVNOICRC, roce_info->rcv_no_icrc) | FIELD_PREP(IRDMAQPC_FW_CC_ENABLE, roce_info->fw_cc_enable) | FIELD_PREP(IRDMAQPC_UDPRIVCQENABLE, roce_info->udprivcq_en) | FIELD_PREP(IRDMAQPC_PRIVEN, roce_info->priv_mode_en) | FIELD_PREP(IRDMAQPC_TIMELYENABLE, roce_info->timely_en)); set_64bit_val(qp_ctx, 168, FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx)); set_64bit_val(qp_ctx, 176, FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) | FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) | FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle)); set_64bit_val(qp_ctx, 184, FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, udp->local_ipaddr[3]) | FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, udp->local_ipaddr[2])); set_64bit_val(qp_ctx, 192, FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, udp->local_ipaddr[1]) | FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, udp->local_ipaddr[0])); set_64bit_val(qp_ctx, 200, FIELD_PREP(IRDMAQPC_THIGH, roce_info->t_high) | FIELD_PREP(IRDMAQPC_TLOW, roce_info->t_low)); set_64bit_val(qp_ctx, 208, FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx)); print_hex_dump_debug("WQE: QP_HOST CTX WQE", DUMP_PREFIX_OFFSET, 16, 8, qp_ctx, IRDMA_QP_CTX_SIZE, false); } /* irdma_sc_alloc_local_mac_entry - allocate a mac entry * @cqp: struct for cqp hw * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_alloc_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch, bool post_sq) { __le64 *wqe; u64 hdr; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOCATE_LOC_MAC_TABLE_ENTRY) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: ALLOCATE_LOCAL_MAC WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_add_local_mac_entry - add mac enry * @cqp: struct for cqp hw * @info:mac addr info * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_add_local_mac_entry(struct irdma_sc_cqp *cqp, struct irdma_local_mac_entry_info *info, u64 scratch, bool post_sq) { __le64 *wqe; u64 header; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 32, ether_addr_to_u64(info->mac_addr)); header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, info->entry_idx) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, header); print_hex_dump_debug("WQE: ADD_LOCAL_MAC WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_del_local_mac_entry - cqp wqe to dele local mac * @cqp: struct for cqp hw * @scratch: u64 saved to be used during cqp completion * @entry_idx: index of mac entry * @ignore_ref_count: to force mac adde delete * @post_sq: flag for cqp db to ring */ static int irdma_sc_del_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch, u16 entry_idx, u8 ignore_ref_count, bool post_sq) { __le64 *wqe; u64 header; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, entry_idx) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) | FIELD_PREP(IRDMA_CQPSQ_MLM_FREEENTRY, 1) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_MLM_IGNORE_REF_CNT, ignore_ref_count); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, header); print_hex_dump_debug("WQE: DEL_LOCAL_MAC_IPADDR WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_qp_setctx - set qp's context * @qp: sc qp * @qp_ctx: context ptr * @info: ctx info */ void irdma_sc_qp_setctx(struct irdma_sc_qp *qp, __le64 *qp_ctx, struct irdma_qp_host_ctx_info *info) { struct irdma_iwarp_offload_info *iw; struct irdma_tcp_offload_info *tcp; struct irdma_sc_dev *dev; u8 push_mode_en; u32 push_idx; u64 qw0, qw3, qw7 = 0, qw16 = 0; u64 mac = 0; iw = info->iwarp_info; tcp = info->tcp_info; dev = qp->dev; if (iw->rcv_mark_en) { qp->pfpdu.marker_len = 4; qp->pfpdu.rcv_start_seq = tcp->rcv_nxt; } qp->user_pri = info->user_pri; if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) { push_mode_en = 0; push_idx = 0; } else { push_mode_en = 1; push_idx = qp->push_idx; } qw0 = FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) | FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) | FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) | FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) | FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) | FIELD_PREP(IRDMAQPC_PPIDX, push_idx) | FIELD_PREP(IRDMAQPC_PMENA, push_mode_en); set_64bit_val(qp_ctx, 8, qp->sq_pa); set_64bit_val(qp_ctx, 16, qp->rq_pa); qw3 = FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) | FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size); if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX, qp->src_mac_addr_idx); set_64bit_val(qp_ctx, 136, FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) | FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num)); set_64bit_val(qp_ctx, 168, FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx)); set_64bit_val(qp_ctx, 176, FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) | FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) | FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle) | FIELD_PREP(IRDMAQPC_EXCEPTION_LAN_QUEUE, qp->ieq_qp)); if (info->iwarp_info_valid) { qw0 |= FIELD_PREP(IRDMAQPC_DDP_VER, iw->ddp_ver) | FIELD_PREP(IRDMAQPC_RDMAP_VER, iw->rdmap_ver) | FIELD_PREP(IRDMAQPC_DC_TCP_EN, iw->dctcp_en) | FIELD_PREP(IRDMAQPC_ECN_EN, iw->ecn_en) | FIELD_PREP(IRDMAQPC_IBRDENABLE, iw->ib_rd_en) | FIELD_PREP(IRDMAQPC_PDIDXHI, iw->pd_id >> 16) | FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID, iw->err_rq_idx_valid); qw7 |= FIELD_PREP(IRDMAQPC_PDIDX, iw->pd_id); qw16 |= FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, iw->err_rq_idx) | FIELD_PREP(IRDMAQPC_RTOMIN, iw->rtomin); set_64bit_val(qp_ctx, 144, FIELD_PREP(IRDMAQPC_Q2ADDR, qp->q2_pa >> 8) | FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx)); if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) mac = ether_addr_to_u64(iw->mac_addr); set_64bit_val(qp_ctx, 152, mac << 16 | FIELD_PREP(IRDMAQPC_LASTBYTESENT, iw->last_byte_sent)); set_64bit_val(qp_ctx, 160, FIELD_PREP(IRDMAQPC_ORDSIZE, iw->ord_size) | FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(iw->ird_size)) | FIELD_PREP(IRDMAQPC_WRRDRSPOK, iw->wr_rdresp_en) | FIELD_PREP(IRDMAQPC_RDOK, iw->rd_en) | FIELD_PREP(IRDMAQPC_SNDMARKERS, iw->snd_mark_en) | FIELD_PREP(IRDMAQPC_BINDEN, iw->bind_en) | FIELD_PREP(IRDMAQPC_FASTREGEN, iw->fast_reg_en) | FIELD_PREP(IRDMAQPC_PRIVEN, iw->priv_mode_en) | FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) | FIELD_PREP(IRDMAQPC_IWARPMODE, 1) | FIELD_PREP(IRDMAQPC_RCVMARKERS, iw->rcv_mark_en) | FIELD_PREP(IRDMAQPC_ALIGNHDRS, iw->align_hdrs) | FIELD_PREP(IRDMAQPC_RCVNOMPACRC, iw->rcv_no_mpa_crc) | FIELD_PREP(IRDMAQPC_RCVMARKOFFSET, iw->rcv_mark_offset || !tcp ? iw->rcv_mark_offset : tcp->rcv_nxt) | FIELD_PREP(IRDMAQPC_SNDMARKOFFSET, iw->snd_mark_offset || !tcp ? iw->snd_mark_offset : tcp->snd_nxt) | FIELD_PREP(IRDMAQPC_TIMELYENABLE, iw->timely_en)); } if (info->tcp_info_valid) { qw0 |= FIELD_PREP(IRDMAQPC_IPV4, tcp->ipv4) | FIELD_PREP(IRDMAQPC_NONAGLE, tcp->no_nagle) | FIELD_PREP(IRDMAQPC_INSERTVLANTAG, tcp->insert_vlan_tag) | FIELD_PREP(IRDMAQPC_TIMESTAMP, tcp->time_stamp) | FIELD_PREP(IRDMAQPC_LIMIT, tcp->cwnd_inc_limit) | FIELD_PREP(IRDMAQPC_DROPOOOSEG, tcp->drop_ooo_seg) | FIELD_PREP(IRDMAQPC_DUPACK_THRESH, tcp->dup_ack_thresh); if ((iw->ecn_en || iw->dctcp_en) && !(tcp->tos & 0x03)) tcp->tos |= ECN_CODE_PT_VAL; qw3 |= FIELD_PREP(IRDMAQPC_TTL, tcp->ttl) | FIELD_PREP(IRDMAQPC_AVOIDSTRETCHACK, tcp->avoid_stretch_ack) | FIELD_PREP(IRDMAQPC_TOS, tcp->tos) | FIELD_PREP(IRDMAQPC_SRCPORTNUM, tcp->src_port) | FIELD_PREP(IRDMAQPC_DESTPORTNUM, tcp->dst_port); if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) { qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX, tcp->src_mac_addr_idx); qp->src_mac_addr_idx = tcp->src_mac_addr_idx; } set_64bit_val(qp_ctx, 32, FIELD_PREP(IRDMAQPC_DESTIPADDR2, tcp->dest_ip_addr[2]) | FIELD_PREP(IRDMAQPC_DESTIPADDR3, tcp->dest_ip_addr[3])); set_64bit_val(qp_ctx, 40, FIELD_PREP(IRDMAQPC_DESTIPADDR0, tcp->dest_ip_addr[0]) | FIELD_PREP(IRDMAQPC_DESTIPADDR1, tcp->dest_ip_addr[1])); set_64bit_val(qp_ctx, 48, FIELD_PREP(IRDMAQPC_SNDMSS, tcp->snd_mss) | FIELD_PREP(IRDMAQPC_SYN_RST_HANDLING, tcp->syn_rst_handling) | FIELD_PREP(IRDMAQPC_VLANTAG, tcp->vlan_tag) | FIELD_PREP(IRDMAQPC_ARPIDX, tcp->arp_idx)); qw7 |= FIELD_PREP(IRDMAQPC_FLOWLABEL, tcp->flow_label) | FIELD_PREP(IRDMAQPC_WSCALE, tcp->wscale) | FIELD_PREP(IRDMAQPC_IGNORE_TCP_OPT, tcp->ignore_tcp_opt) | FIELD_PREP(IRDMAQPC_IGNORE_TCP_UNS_OPT, tcp->ignore_tcp_uns_opt) | FIELD_PREP(IRDMAQPC_TCPSTATE, tcp->tcp_state) | FIELD_PREP(IRDMAQPC_RCVSCALE, tcp->rcv_wscale) | FIELD_PREP(IRDMAQPC_SNDSCALE, tcp->snd_wscale); set_64bit_val(qp_ctx, 72, FIELD_PREP(IRDMAQPC_TIMESTAMP_RECENT, tcp->time_stamp_recent) | FIELD_PREP(IRDMAQPC_TIMESTAMP_AGE, tcp->time_stamp_age)); set_64bit_val(qp_ctx, 80, FIELD_PREP(IRDMAQPC_SNDNXT, tcp->snd_nxt) | FIELD_PREP(IRDMAQPC_SNDWND, tcp->snd_wnd)); set_64bit_val(qp_ctx, 88, FIELD_PREP(IRDMAQPC_RCVNXT, tcp->rcv_nxt) | FIELD_PREP(IRDMAQPC_RCVWND, tcp->rcv_wnd)); set_64bit_val(qp_ctx, 96, FIELD_PREP(IRDMAQPC_SNDMAX, tcp->snd_max) | FIELD_PREP(IRDMAQPC_SNDUNA, tcp->snd_una)); set_64bit_val(qp_ctx, 104, FIELD_PREP(IRDMAQPC_SRTT, tcp->srtt) | FIELD_PREP(IRDMAQPC_RTTVAR, tcp->rtt_var)); set_64bit_val(qp_ctx, 112, FIELD_PREP(IRDMAQPC_SSTHRESH, tcp->ss_thresh) | FIELD_PREP(IRDMAQPC_CWND, tcp->cwnd)); set_64bit_val(qp_ctx, 120, FIELD_PREP(IRDMAQPC_SNDWL1, tcp->snd_wl1) | FIELD_PREP(IRDMAQPC_SNDWL2, tcp->snd_wl2)); qw16 |= FIELD_PREP(IRDMAQPC_MAXSNDWND, tcp->max_snd_window) | FIELD_PREP(IRDMAQPC_REXMIT_THRESH, tcp->rexmit_thresh); set_64bit_val(qp_ctx, 184, FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, tcp->local_ipaddr[3]) | FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, tcp->local_ipaddr[2])); set_64bit_val(qp_ctx, 192, FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, tcp->local_ipaddr[1]) | FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, tcp->local_ipaddr[0])); set_64bit_val(qp_ctx, 200, FIELD_PREP(IRDMAQPC_THIGH, iw->t_high) | FIELD_PREP(IRDMAQPC_TLOW, iw->t_low)); set_64bit_val(qp_ctx, 208, FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx)); } set_64bit_val(qp_ctx, 0, qw0); set_64bit_val(qp_ctx, 24, qw3); set_64bit_val(qp_ctx, 56, qw7); set_64bit_val(qp_ctx, 128, qw16); print_hex_dump_debug("WQE: QP_HOST CTX", DUMP_PREFIX_OFFSET, 16, 8, qp_ctx, IRDMA_QP_CTX_SIZE, false); } /** * irdma_sc_alloc_stag - mr stag alloc * @dev: sc device struct * @info: stag info * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_alloc_stag(struct irdma_sc_dev *dev, struct irdma_allocate_stag_info *info, u64 scratch, bool post_sq) { __le64 *wqe; struct irdma_sc_cqp *cqp; u64 hdr; enum irdma_page_size page_size; if (!info->total_len && !info->all_memory) return -EINVAL; if (info->page_size == 0x40000000) page_size = IRDMA_PAGE_SIZE_1G; else if (info->page_size == 0x200000) page_size = IRDMA_PAGE_SIZE_2M; else page_size = IRDMA_PAGE_SIZE_4K; cqp = dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 8, FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID) | FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len)); set_64bit_val(wqe, 16, FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); set_64bit_val(wqe, 40, FIELD_PREP(IRDMA_CQPSQ_STAG_HMCFNIDX, info->hmc_fcn_index)); if (info->chunk_size) set_64bit_val(wqe, 48, FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_idx)); hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) | FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) | FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) | FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) | FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) | FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, info->remote_access) | FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) | FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: ALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_mr_reg_non_shared - non-shared mr registration * @dev: sc device struct * @info: mr info * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_mr_reg_non_shared(struct irdma_sc_dev *dev, struct irdma_reg_ns_stag_info *info, u64 scratch, bool post_sq) { __le64 *wqe; u64 fbo; struct irdma_sc_cqp *cqp; u64 hdr; u32 pble_obj_cnt; bool remote_access; u8 addr_type; enum irdma_page_size page_size; if (!info->total_len && !info->all_memory) return -EINVAL; if (info->page_size == 0x40000000) page_size = IRDMA_PAGE_SIZE_1G; else if (info->page_size == 0x200000) page_size = IRDMA_PAGE_SIZE_2M; else if (info->page_size == 0x1000) page_size = IRDMA_PAGE_SIZE_4K; else return -EINVAL; if (info->access_rights & (IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY | IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY)) remote_access = true; else remote_access = false; pble_obj_cnt = dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; if (info->chunk_size && info->first_pm_pbl_index >= pble_obj_cnt) return -EINVAL; cqp = dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; fbo = info->va & (info->page_size - 1); set_64bit_val(wqe, 0, (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED ? info->va : fbo)); set_64bit_val(wqe, 8, FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len) | FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); set_64bit_val(wqe, 16, FIELD_PREP(IRDMA_CQPSQ_STAG_KEY, info->stag_key) | FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); if (!info->chunk_size) { set_64bit_val(wqe, 32, info->reg_addr_pa); set_64bit_val(wqe, 48, 0); } else { set_64bit_val(wqe, 32, 0); set_64bit_val(wqe, 48, FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_index)); } set_64bit_val(wqe, 40, info->hmc_fcn_index); set_64bit_val(wqe, 56, 0); addr_type = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? 1 : 0; hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_REG_MR) | FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) | FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) | FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) | FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) | FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, remote_access) | FIELD_PREP(IRDMA_CQPSQ_STAG_VABASEDTO, addr_type) | FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) | FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: MR_REG_NS WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_dealloc_stag - deallocate stag * @dev: sc device struct * @info: dealloc stag info * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_dealloc_stag(struct irdma_sc_dev *dev, struct irdma_dealloc_stag_info *info, u64 scratch, bool post_sq) { u64 hdr; __le64 *wqe; struct irdma_sc_cqp *cqp; cqp = dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 8, FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); set_64bit_val(wqe, 16, FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx)); hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DEALLOC_STAG) | FIELD_PREP(IRDMA_CQPSQ_STAG_MR, info->mr) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: DEALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_mw_alloc - mw allocate * @dev: sc device struct * @info: memory window allocation information * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_mw_alloc(struct irdma_sc_dev *dev, struct irdma_mw_alloc_info *info, u64 scratch, bool post_sq) { u64 hdr; struct irdma_sc_cqp *cqp; __le64 *wqe; cqp = dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 8, FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID)); set_64bit_val(wqe, 16, FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->mw_stag_index)); hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) | FIELD_PREP(IRDMA_CQPSQ_STAG_MWTYPE, info->mw_wide) | FIELD_PREP(IRDMA_CQPSQ_STAG_MW1_BIND_DONT_VLDT_KEY, info->mw1_bind_dont_vldt_key) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: MW_ALLOC WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_mr_fast_register - Posts RDMA fast register mr WR to iwarp qp * @qp: sc qp struct * @info: fast mr info * @post_sq: flag for cqp db to ring */ int irdma_sc_mr_fast_register(struct irdma_sc_qp *qp, struct irdma_fast_reg_stag_info *info, bool post_sq) { u64 temp, hdr; __le64 *wqe; u32 wqe_idx; enum irdma_page_size page_size; struct irdma_post_sq_info sq_info = {}; if (info->page_size == 0x40000000) page_size = IRDMA_PAGE_SIZE_1G; else if (info->page_size == 0x200000) page_size = IRDMA_PAGE_SIZE_2M; else page_size = IRDMA_PAGE_SIZE_4K; sq_info.wr_id = info->wr_id; sq_info.signaled = info->signaled; wqe = irdma_qp_get_next_send_wqe(&qp->qp_uk, &wqe_idx, IRDMA_QP_WQE_MIN_QUANTA, 0, &sq_info); if (!wqe) return -ENOMEM; irdma_clr_wqes(&qp->qp_uk, wqe_idx); ibdev_dbg(to_ibdev(qp->dev), "MR: wr_id[%llxh] wqe_idx[%04d] location[%p]\n", info->wr_id, wqe_idx, &qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid); temp = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? (uintptr_t)info->va : info->fbo; set_64bit_val(wqe, 0, temp); temp = FIELD_GET(IRDMAQPSQ_FIRSTPMPBLIDXHI, info->first_pm_pbl_index >> 16); set_64bit_val(wqe, 8, FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXHI, temp) | FIELD_PREP(IRDMAQPSQ_PBLADDR >> IRDMA_HW_PAGE_SHIFT, info->reg_addr_pa)); set_64bit_val(wqe, 16, info->total_len | FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXLO, info->first_pm_pbl_index)); hdr = FIELD_PREP(IRDMAQPSQ_STAGKEY, info->stag_key) | FIELD_PREP(IRDMAQPSQ_STAGINDEX, info->stag_idx) | FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_FAST_REGISTER) | FIELD_PREP(IRDMAQPSQ_LPBLSIZE, info->chunk_size) | FIELD_PREP(IRDMAQPSQ_HPAGESIZE, page_size) | FIELD_PREP(IRDMAQPSQ_STAGRIGHTS, info->access_rights) | FIELD_PREP(IRDMAQPSQ_VABASEDTO, info->addr_type) | FIELD_PREP(IRDMAQPSQ_READFENCE, info->read_fence) | FIELD_PREP(IRDMAQPSQ_LOCALFENCE, info->local_fence) | FIELD_PREP(IRDMAQPSQ_SIGCOMPL, info->signaled) | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: FAST_REG WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false); if (post_sq) irdma_uk_qp_post_wr(&qp->qp_uk); return 0; } /** * irdma_sc_gen_rts_ae - request AE generated after RTS * @qp: sc qp struct */ static void irdma_sc_gen_rts_ae(struct irdma_sc_qp *qp) { __le64 *wqe; u64 hdr; struct irdma_qp_uk *qp_uk; qp_uk = &qp->qp_uk; wqe = qp_uk->sq_base[1].elem; hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_NOP) | FIELD_PREP(IRDMAQPSQ_LOCALFENCE, 1) | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("QP: NOP W/LOCAL FENCE WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false); wqe = qp_uk->sq_base[2].elem; hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_GEN_RTS_AE) | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("QP: CONN EST WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false); } /** * irdma_sc_send_lsmm - send last streaming mode message * @qp: sc qp struct * @lsmm_buf: buffer with lsmm message * @size: size of lsmm buffer * @stag: stag of lsmm buffer */ void irdma_sc_send_lsmm(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size, irdma_stag stag) { __le64 *wqe; u64 hdr; struct irdma_qp_uk *qp_uk; qp_uk = &qp->qp_uk; wqe = qp_uk->sq_base->elem; set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf); if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) { set_64bit_val(wqe, 8, FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_LEN, size) | FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, stag)); } else { set_64bit_val(wqe, 8, FIELD_PREP(IRDMAQPSQ_FRAG_LEN, size) | FIELD_PREP(IRDMAQPSQ_FRAG_STAG, stag) | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity)); } set_64bit_val(wqe, 16, 0); hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_SEND) | FIELD_PREP(IRDMAQPSQ_STREAMMODE, 1) | FIELD_PREP(IRDMAQPSQ_WAITFORRCVPDU, 1) | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: SEND_LSMM WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false); if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE) irdma_sc_gen_rts_ae(qp); } /** * irdma_sc_send_rtt - send last read0 or write0 * @qp: sc qp struct * @read: Do read0 or write0 */ void irdma_sc_send_rtt(struct irdma_sc_qp *qp, bool read) { __le64 *wqe; u64 hdr; struct irdma_qp_uk *qp_uk; qp_uk = &qp->qp_uk; wqe = qp_uk->sq_base->elem; set_64bit_val(wqe, 0, 0); set_64bit_val(wqe, 16, 0); if (read) { if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) { set_64bit_val(wqe, 8, FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, 0xabcd)); } else { set_64bit_val(wqe, 8, (u64)0xabcd | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity)); } hdr = FIELD_PREP(IRDMAQPSQ_REMSTAG, 0x1234) | FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_READ) | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); } else { if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) { set_64bit_val(wqe, 8, 0); } else { set_64bit_val(wqe, 8, FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity)); } hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_WRITE) | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity); } dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: RTR WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false); if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE) irdma_sc_gen_rts_ae(qp); } /** * irdma_iwarp_opcode - determine if incoming is rdma layer * @info: aeq info for the packet * @pkt: packet for error */ static u32 irdma_iwarp_opcode(struct irdma_aeqe_info *info, u8 *pkt) { __be16 *mpa; u32 opcode = 0xffffffff; if (info->q2_data_written) { mpa = (__be16 *)pkt; opcode = ntohs(mpa[1]) & 0xf; } return opcode; } /** * irdma_locate_mpa - return pointer to mpa in the pkt * @pkt: packet with data */ static u8 *irdma_locate_mpa(u8 *pkt) { /* skip over ethernet header */ pkt += IRDMA_MAC_HLEN; /* Skip over IP and TCP headers */ pkt += 4 * (pkt[0] & 0x0f); pkt += 4 * ((pkt[12] >> 4) & 0x0f); return pkt; } /** * irdma_bld_termhdr_ctrl - setup terminate hdr control fields * @qp: sc qp ptr for pkt * @hdr: term hdr * @opcode: flush opcode for termhdr * @layer_etype: error layer + error type * @err: error cod ein the header */ static void irdma_bld_termhdr_ctrl(struct irdma_sc_qp *qp, struct irdma_terminate_hdr *hdr, enum irdma_flush_opcode opcode, u8 layer_etype, u8 err) { qp->flush_code = opcode; hdr->layer_etype = layer_etype; hdr->error_code = err; } /** * irdma_bld_termhdr_ddp_rdma - setup ddp and rdma hdrs in terminate hdr * @pkt: ptr to mpa in offending pkt * @hdr: term hdr * @copy_len: offending pkt length to be copied to term hdr * @is_tagged: DDP tagged or untagged */ static void irdma_bld_termhdr_ddp_rdma(u8 *pkt, struct irdma_terminate_hdr *hdr, int *copy_len, u8 *is_tagged) { u16 ddp_seg_len; ddp_seg_len = ntohs(*(__be16 *)pkt); if (ddp_seg_len) { *copy_len = 2; hdr->hdrct = DDP_LEN_FLAG; if (pkt[2] & 0x80) { *is_tagged = 1; if (ddp_seg_len >= TERM_DDP_LEN_TAGGED) { *copy_len += TERM_DDP_LEN_TAGGED; hdr->hdrct |= DDP_HDR_FLAG; } } else { if (ddp_seg_len >= TERM_DDP_LEN_UNTAGGED) { *copy_len += TERM_DDP_LEN_UNTAGGED; hdr->hdrct |= DDP_HDR_FLAG; } if (ddp_seg_len >= (TERM_DDP_LEN_UNTAGGED + TERM_RDMA_LEN) && ((pkt[3] & RDMA_OPCODE_M) == RDMA_READ_REQ_OPCODE)) { *copy_len += TERM_RDMA_LEN; hdr->hdrct |= RDMA_HDR_FLAG; } } } } /** * irdma_bld_terminate_hdr - build terminate message header * @qp: qp associated with received terminate AE * @info: the struct contiaing AE information */ static int irdma_bld_terminate_hdr(struct irdma_sc_qp *qp, struct irdma_aeqe_info *info) { u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET; int copy_len = 0; u8 is_tagged = 0; u32 opcode; struct irdma_terminate_hdr *termhdr; termhdr = (struct irdma_terminate_hdr *)qp->q2_buf; memset(termhdr, 0, Q2_BAD_FRAME_OFFSET); if (info->q2_data_written) { pkt = irdma_locate_mpa(pkt); irdma_bld_termhdr_ddp_rdma(pkt, termhdr, ©_len, &is_tagged); } opcode = irdma_iwarp_opcode(info, pkt); qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC; qp->sq_flush_code = info->sq; qp->rq_flush_code = info->rq; switch (info->ae_id) { case IRDMA_AE_AMP_UNALLOCATED_STAG: qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; if (opcode == IRDMA_OP_TYPE_RDMA_WRITE) irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR, (LAYER_DDP << 4) | DDP_TAGGED_BUF, DDP_TAGGED_INV_STAG); else irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_STAG); break; case IRDMA_AE_AMP_BOUNDS_VIOLATION: qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; if (info->q2_data_written) irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR, (LAYER_DDP << 4) | DDP_TAGGED_BUF, DDP_TAGGED_BOUNDS); else irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_BOUNDS); break; case IRDMA_AE_AMP_BAD_PD: switch (opcode) { case IRDMA_OP_TYPE_RDMA_WRITE: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR, (LAYER_DDP << 4) | DDP_TAGGED_BUF, DDP_TAGGED_UNASSOC_STAG); break; case IRDMA_OP_TYPE_SEND_INV: case IRDMA_OP_TYPE_SEND_SOL_INV: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_CANT_INV_STAG); break; default: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_UNASSOC_STAG); } break; case IRDMA_AE_AMP_INVALID_STAG: qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_STAG); break; case IRDMA_AE_AMP_BAD_QP: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_QP_OP_ERR, (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, DDP_UNTAGGED_INV_QN); break; case IRDMA_AE_AMP_BAD_STAG_KEY: case IRDMA_AE_AMP_BAD_STAG_INDEX: qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; switch (opcode) { case IRDMA_OP_TYPE_SEND_INV: case IRDMA_OP_TYPE_SEND_SOL_INV: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_CANT_INV_STAG); break; default: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_INV_STAG); } break; case IRDMA_AE_AMP_RIGHTS_VIOLATION: case IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS: case IRDMA_AE_PRIV_OPERATION_DENIED: qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_ACCESS); break; case IRDMA_AE_AMP_TO_WRAP: qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_TO_WRAP); break; case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, (LAYER_MPA << 4) | DDP_LLP, MPA_CRC); break; case IRDMA_AE_LLP_SEGMENT_TOO_SMALL: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR, (LAYER_DDP << 4) | DDP_CATASTROPHIC, DDP_CATASTROPHIC_LOCAL); break; case IRDMA_AE_LCE_QP_CATASTROPHIC: case IRDMA_AE_DDP_NO_L_BIT: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR, (LAYER_DDP << 4) | DDP_CATASTROPHIC, DDP_CATASTROPHIC_LOCAL); break; case IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, DDP_UNTAGGED_INV_MSN_RANGE); break; case IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER: qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR; irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR, (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, DDP_UNTAGGED_INV_TOO_LONG); break; case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION: if (is_tagged) irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, (LAYER_DDP << 4) | DDP_TAGGED_BUF, DDP_TAGGED_INV_DDP_VER); else irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, DDP_UNTAGGED_INV_DDP_VER); break; case IRDMA_AE_DDP_UBE_INVALID_MO: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, DDP_UNTAGGED_INV_MO); break; case IRDMA_AE_DDP_UBE_INVALID_MSN_NO_BUFFER_AVAILABLE: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR, (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, DDP_UNTAGGED_INV_MSN_NO_BUF); break; case IRDMA_AE_DDP_UBE_INVALID_QN: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, (LAYER_DDP << 4) | DDP_UNTAGGED_BUF, DDP_UNTAGGED_INV_QN); break; case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_INV_RDMAP_VER); break; default: irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR, (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_UNSPECIFIED); break; } if (copy_len) memcpy(termhdr + 1, pkt, copy_len); return sizeof(struct irdma_terminate_hdr) + copy_len; } /** * irdma_terminate_send_fin() - Send fin for terminate message * @qp: qp associated with received terminate AE */ void irdma_terminate_send_fin(struct irdma_sc_qp *qp) { irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE, IRDMAQP_TERM_SEND_FIN_ONLY, 0); } /** * irdma_terminate_connection() - Bad AE and send terminate to remote QP * @qp: qp associated with received terminate AE * @info: the struct contiaing AE information */ void irdma_terminate_connection(struct irdma_sc_qp *qp, struct irdma_aeqe_info *info) { u8 termlen = 0; if (qp->term_flags & IRDMA_TERM_SENT) return; termlen = irdma_bld_terminate_hdr(qp, info); irdma_terminate_start_timer(qp); qp->term_flags |= IRDMA_TERM_SENT; irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE, IRDMAQP_TERM_SEND_TERM_ONLY, termlen); } /** * irdma_terminate_received - handle terminate received AE * @qp: qp associated with received terminate AE * @info: the struct contiaing AE information */ void irdma_terminate_received(struct irdma_sc_qp *qp, struct irdma_aeqe_info *info) { u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET; __be32 *mpa; u8 ddp_ctl; u8 rdma_ctl; u16 aeq_id = 0; struct irdma_terminate_hdr *termhdr; mpa = (__be32 *)irdma_locate_mpa(pkt); if (info->q2_data_written) { /* did not validate the frame - do it now */ ddp_ctl = (ntohl(mpa[0]) >> 8) & 0xff; rdma_ctl = ntohl(mpa[0]) & 0xff; if ((ddp_ctl & 0xc0) != 0x40) aeq_id = IRDMA_AE_LCE_QP_CATASTROPHIC; else if ((ddp_ctl & 0x03) != 1) aeq_id = IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION; else if (ntohl(mpa[2]) != 2) aeq_id = IRDMA_AE_DDP_UBE_INVALID_QN; else if (ntohl(mpa[3]) != 1) aeq_id = IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN; else if (ntohl(mpa[4]) != 0) aeq_id = IRDMA_AE_DDP_UBE_INVALID_MO; else if ((rdma_ctl & 0xc0) != 0x40) aeq_id = IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION; info->ae_id = aeq_id; if (info->ae_id) { /* Bad terminate recvd - send back a terminate */ irdma_terminate_connection(qp, info); return; } } qp->term_flags |= IRDMA_TERM_RCVD; qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC; termhdr = (struct irdma_terminate_hdr *)&mpa[5]; if (termhdr->layer_etype == RDMAP_REMOTE_PROT || termhdr->layer_etype == RDMAP_REMOTE_OP) { irdma_terminate_done(qp, 0); } else { irdma_terminate_start_timer(qp); irdma_terminate_send_fin(qp); } } static int irdma_null_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri) { return 0; } static void irdma_null_ws_remove(struct irdma_sc_vsi *vsi, u8 user_pri) { /* do nothing */ } static void irdma_null_ws_reset(struct irdma_sc_vsi *vsi) { /* do nothing */ } /** * irdma_sc_vsi_init - Init the vsi structure * @vsi: pointer to vsi structure to initialize * @info: the info used to initialize the vsi struct */ void irdma_sc_vsi_init(struct irdma_sc_vsi *vsi, struct irdma_vsi_init_info *info) { int i; vsi->dev = info->dev; vsi->back_vsi = info->back_vsi; vsi->register_qset = info->register_qset; vsi->unregister_qset = info->unregister_qset; vsi->mtu = info->params->mtu; vsi->exception_lan_q = info->exception_lan_q; vsi->vsi_idx = info->pf_data_vsi_num; irdma_set_qos_info(vsi, info->params); for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) { mutex_init(&vsi->qos[i].qos_mutex); INIT_LIST_HEAD(&vsi->qos[i].qplist); } if (vsi->register_qset) { vsi->dev->ws_add = irdma_ws_add; vsi->dev->ws_remove = irdma_ws_remove; vsi->dev->ws_reset = irdma_ws_reset; } else { vsi->dev->ws_add = irdma_null_ws_add; vsi->dev->ws_remove = irdma_null_ws_remove; vsi->dev->ws_reset = irdma_null_ws_reset; } } /** * irdma_get_stats_idx - Return stats index * @vsi: pointer to the vsi */ static u8 irdma_get_stats_idx(struct irdma_sc_vsi *vsi) { struct irdma_stats_inst_info stats_info = {}; struct irdma_sc_dev *dev = vsi->dev; u8 i; if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) { if (!irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_ALLOCATE, &stats_info)) return stats_info.stats_idx; } for (i = 0; i < IRDMA_MAX_STATS_COUNT_GEN_1; i++) { if (!dev->stats_idx_array[i]) { dev->stats_idx_array[i] = true; return i; } } return IRDMA_INVALID_STATS_IDX; } /** * irdma_hw_stats_init_gen1 - Initialize stat reg table used for gen1 * @vsi: vsi structure where hw_regs are set * * Populate the HW stats table */ static void irdma_hw_stats_init_gen1(struct irdma_sc_vsi *vsi) { struct irdma_sc_dev *dev = vsi->dev; const struct irdma_hw_stat_map *map; u64 *stat_reg = vsi->hw_stats_regs; u64 *regs = dev->hw_stats_regs; u16 i, stats_reg_set = vsi->stats_idx; map = dev->hw_stats_map; /* First 4 stat instances are reserved for port level statistics. */ stats_reg_set += vsi->stats_inst_alloc ? IRDMA_FIRST_NON_PF_STAT : 0; for (i = 0; i < dev->hw_attrs.max_stat_idx; i++) { if (map[i].bitmask <= IRDMA_MAX_STATS_32) stat_reg[i] = regs[i] + stats_reg_set * sizeof(u32); else stat_reg[i] = regs[i] + stats_reg_set * sizeof(u64); } } /** * irdma_vsi_stats_init - Initialize the vsi statistics * @vsi: pointer to the vsi structure * @info: The info structure used for initialization */ int irdma_vsi_stats_init(struct irdma_sc_vsi *vsi, struct irdma_vsi_stats_info *info) { struct irdma_dma_mem *stats_buff_mem; vsi->pestat = info->pestat; vsi->pestat->hw = vsi->dev->hw; vsi->pestat->vsi = vsi; stats_buff_mem = &vsi->pestat->gather_info.stats_buff_mem; stats_buff_mem->size = ALIGN(IRDMA_GATHER_STATS_BUF_SIZE * 2, 1); stats_buff_mem->va = dma_alloc_coherent(vsi->pestat->hw->device, stats_buff_mem->size, &stats_buff_mem->pa, GFP_KERNEL); if (!stats_buff_mem->va) return -ENOMEM; vsi->pestat->gather_info.gather_stats_va = stats_buff_mem->va; vsi->pestat->gather_info.last_gather_stats_va = (void *)((uintptr_t)stats_buff_mem->va + IRDMA_GATHER_STATS_BUF_SIZE); irdma_hw_stats_start_timer(vsi); /* when stat allocation is not required default to fcn_id. */ vsi->stats_idx = info->fcn_id; if (info->alloc_stats_inst) { u8 stats_idx = irdma_get_stats_idx(vsi); if (stats_idx != IRDMA_INVALID_STATS_IDX) { vsi->stats_inst_alloc = true; vsi->stats_idx = stats_idx; vsi->pestat->gather_info.use_stats_inst = true; vsi->pestat->gather_info.stats_inst_index = stats_idx; } } if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) irdma_hw_stats_init_gen1(vsi); return 0; } /** * irdma_vsi_stats_free - Free the vsi stats * @vsi: pointer to the vsi structure */ void irdma_vsi_stats_free(struct irdma_sc_vsi *vsi) { struct irdma_stats_inst_info stats_info = {}; struct irdma_sc_dev *dev = vsi->dev; u8 stats_idx = vsi->stats_idx; if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) { if (vsi->stats_inst_alloc) { stats_info.stats_idx = vsi->stats_idx; irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_FREE, &stats_info); } } else { if (vsi->stats_inst_alloc && stats_idx < vsi->dev->hw_attrs.max_stat_inst) vsi->dev->stats_idx_array[stats_idx] = false; } if (!vsi->pestat) return; irdma_hw_stats_stop_timer(vsi); dma_free_coherent(vsi->pestat->hw->device, vsi->pestat->gather_info.stats_buff_mem.size, vsi->pestat->gather_info.stats_buff_mem.va, vsi->pestat->gather_info.stats_buff_mem.pa); vsi->pestat->gather_info.stats_buff_mem.va = NULL; } /** * irdma_get_encoded_wqe_size - given wq size, returns hardware encoded size * @wqsize: size of the wq (sq, rq) to encoded_size * @queue_type: queue type selected for the calculation algorithm */ u8 irdma_get_encoded_wqe_size(u32 wqsize, enum irdma_queue_type queue_type) { u8 encoded_size = 0; /* cqp sq's hw coded value starts from 1 for size of 4 * while it starts from 0 for qp' wq's. */ if (queue_type == IRDMA_QUEUE_TYPE_CQP) encoded_size = 1; wqsize >>= 2; while (wqsize >>= 1) encoded_size++; return encoded_size; } /** * irdma_sc_gather_stats - collect the statistics * @cqp: struct for cqp hw * @info: gather stats info structure * @scratch: u64 saved to be used during cqp completion */ static int irdma_sc_gather_stats(struct irdma_sc_cqp *cqp, struct irdma_stats_gather_info *info, u64 scratch) { __le64 *wqe; u64 temp; if (info->stats_buff_mem.size < IRDMA_GATHER_STATS_BUF_SIZE) return -ENOMEM; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 40, FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fcn_index)); set_64bit_val(wqe, 32, info->stats_buff_mem.pa); temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_STATS_USE_INST, info->use_stats_inst) | FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, info->stats_inst_index) | FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX, info->use_hmc_fcn_index) | FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_GATHER_STATS); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, temp); print_hex_dump_debug("STATS: GATHER_STATS WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_sc_cqp_post_sq(cqp); ibdev_dbg(to_ibdev(cqp->dev), "STATS: CQP SQ head 0x%x tail 0x%x size 0x%x\n", cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size); return 0; } /** * irdma_sc_manage_stats_inst - allocate or free stats instance * @cqp: struct for cqp hw * @info: stats info structure * @alloc: alloc vs. delete flag * @scratch: u64 saved to be used during cqp completion */ static int irdma_sc_manage_stats_inst(struct irdma_sc_cqp *cqp, struct irdma_stats_inst_info *info, bool alloc, u64 scratch) { __le64 *wqe; u64 temp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 40, FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fn_id)); temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_STATS_ALLOC_INST, alloc) | FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX, info->use_hmc_fcn_index) | FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, info->stats_idx) | FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_MANAGE_STATS); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, temp); print_hex_dump_debug("WQE: MANAGE_STATS WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_set_up_map - set the up map table * @cqp: struct for cqp hw * @info: User priority map info * @scratch: u64 saved to be used during cqp completion */ static int irdma_sc_set_up_map(struct irdma_sc_cqp *cqp, struct irdma_up_info *info, u64 scratch) { __le64 *wqe; u64 temp = 0; int i; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) temp |= (u64)info->map[i] << (i * 8); set_64bit_val(wqe, 0, temp); set_64bit_val(wqe, 40, FIELD_PREP(IRDMA_CQPSQ_UP_CNPOVERRIDE, info->cnp_up_override) | FIELD_PREP(IRDMA_CQPSQ_UP_HMCFCNIDX, info->hmc_fcn_idx)); temp = FIELD_PREP(IRDMA_CQPSQ_UP_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_UP_USEVLAN, info->use_vlan) | FIELD_PREP(IRDMA_CQPSQ_UP_USEOVERRIDE, info->use_cnp_up_override) | FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_UP_MAP); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, temp); print_hex_dump_debug("WQE: UPMAP WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_manage_ws_node - create/modify/destroy WS node * @cqp: struct for cqp hw * @info: node info structure * @node_op: 0 for add 1 for modify, 2 for delete * @scratch: u64 saved to be used during cqp completion */ static int irdma_sc_manage_ws_node(struct irdma_sc_cqp *cqp, struct irdma_ws_node_info *info, enum irdma_ws_node_op node_op, u64 scratch) { __le64 *wqe; u64 temp = 0; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 32, FIELD_PREP(IRDMA_CQPSQ_WS_VSI, info->vsi) | FIELD_PREP(IRDMA_CQPSQ_WS_WEIGHT, info->weight)); temp = FIELD_PREP(IRDMA_CQPSQ_WS_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_WS_NODEOP, node_op) | FIELD_PREP(IRDMA_CQPSQ_WS_ENABLENODE, info->enable) | FIELD_PREP(IRDMA_CQPSQ_WS_NODETYPE, info->type_leaf) | FIELD_PREP(IRDMA_CQPSQ_WS_PRIOTYPE, info->prio_type) | FIELD_PREP(IRDMA_CQPSQ_WS_TC, info->tc) | FIELD_PREP(IRDMA_CQPSQ_WS_OP, IRDMA_CQP_OP_WORK_SCHED_NODE) | FIELD_PREP(IRDMA_CQPSQ_WS_PARENTID, info->parent_id) | FIELD_PREP(IRDMA_CQPSQ_WS_NODEID, info->id); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, temp); print_hex_dump_debug("WQE: MANAGE_WS WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_qp_flush_wqes - flush qp's wqe * @qp: sc qp * @info: dlush information * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ int irdma_sc_qp_flush_wqes(struct irdma_sc_qp *qp, struct irdma_qp_flush_info *info, u64 scratch, bool post_sq) { u64 temp = 0; __le64 *wqe; struct irdma_sc_cqp *cqp; u64 hdr; bool flush_sq = false, flush_rq = false; if (info->rq && !qp->flush_rq) flush_rq = true; if (info->sq && !qp->flush_sq) flush_sq = true; qp->flush_sq |= flush_sq; qp->flush_rq |= flush_rq; if (!flush_sq && !flush_rq) { ibdev_dbg(to_ibdev(qp->dev), "CQP: Additional flush request ignored for qp %x\n", qp->qp_uk.qp_id); return -EALREADY; } cqp = qp->pd->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; if (info->userflushcode) { if (flush_rq) temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMNERR, info->rq_minor_code) | FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMJERR, info->rq_major_code); if (flush_sq) temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMNERR, info->sq_minor_code) | FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMJERR, info->sq_major_code); } set_64bit_val(wqe, 16, temp); temp = (info->generate_ae) ? info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE, info->ae_src) : 0; set_64bit_val(wqe, 8, temp); hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_FLUSH_WQES) | FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, info->generate_ae) | FIELD_PREP(IRDMA_CQPSQ_FWQE_USERFLCODE, info->userflushcode) | FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHSQ, flush_sq) | FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHRQ, flush_rq) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: QP_FLUSH WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_gen_ae - generate AE, uses flush WQE CQP OP * @qp: sc qp * @info: gen ae information * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_gen_ae(struct irdma_sc_qp *qp, struct irdma_gen_ae_info *info, u64 scratch, bool post_sq) { u64 temp; __le64 *wqe; struct irdma_sc_cqp *cqp; u64 hdr; cqp = qp->pd->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; temp = info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE, info->ae_src); set_64bit_val(wqe, 8, temp); hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_GEN_AE) | FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, 1) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: GEN_AE WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /*** irdma_sc_qp_upload_context - upload qp's context * @dev: sc device struct * @info: upload context info ptr for return * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_qp_upload_context(struct irdma_sc_dev *dev, struct irdma_upload_context_info *info, u64 scratch, bool post_sq) { __le64 *wqe; struct irdma_sc_cqp *cqp; u64 hdr; cqp = dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, info->buf_pa); hdr = FIELD_PREP(IRDMA_CQPSQ_UCTX_QPID, info->qp_id) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPLOAD_CONTEXT) | FIELD_PREP(IRDMA_CQPSQ_UCTX_QPTYPE, info->qp_type) | FIELD_PREP(IRDMA_CQPSQ_UCTX_RAWFORMAT, info->raw_format) | FIELD_PREP(IRDMA_CQPSQ_UCTX_FREEZEQP, info->freeze_qp) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: QP_UPLOAD_CTX WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_manage_push_page - Handle push page * @cqp: struct for cqp hw * @info: push page info * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_manage_push_page(struct irdma_sc_cqp *cqp, struct irdma_cqp_manage_push_page_info *info, u64 scratch, bool post_sq) { __le64 *wqe; u64 hdr; if (info->free_page && info->push_idx >= cqp->dev->hw_attrs.max_hw_device_pages) return -EINVAL; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, info->qs_handle); hdr = FIELD_PREP(IRDMA_CQPSQ_MPP_PPIDX, info->push_idx) | FIELD_PREP(IRDMA_CQPSQ_MPP_PPTYPE, info->push_page_type) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_PUSH_PAGES) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_MPP_FREE_PAGE, info->free_page); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: MANAGE_PUSH_PAGES WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_suspend_qp - suspend qp for param change * @cqp: struct for cqp hw * @qp: sc qp struct * @scratch: u64 saved to be used during cqp completion */ static int irdma_sc_suspend_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp, u64 scratch) { u64 hdr; __le64 *wqe; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; hdr = FIELD_PREP(IRDMA_CQPSQ_SUSPENDQP_QPID, qp->qp_uk.qp_id) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_SUSPEND_QP) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: SUSPEND_QP WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_resume_qp - resume qp after suspend * @cqp: struct for cqp hw * @qp: sc qp struct * @scratch: u64 saved to be used during cqp completion */ static int irdma_sc_resume_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp, u64 scratch) { u64 hdr; __le64 *wqe; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QSHANDLE, qp->qs_handle)); hdr = FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QPID, qp->qp_uk.qp_id) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_RESUME_QP) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: RESUME_QP WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_cq_ack - acknowledge completion q * @cq: cq struct */ static inline void irdma_sc_cq_ack(struct irdma_sc_cq *cq) { writel(cq->cq_uk.cq_id, cq->cq_uk.cq_ack_db); } /** * irdma_sc_cq_init - initialize completion q * @cq: cq struct * @info: cq initialization info */ int irdma_sc_cq_init(struct irdma_sc_cq *cq, struct irdma_cq_init_info *info) { u32 pble_obj_cnt; pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) return -EINVAL; cq->cq_pa = info->cq_base_pa; cq->dev = info->dev; cq->ceq_id = info->ceq_id; info->cq_uk_init_info.cqe_alloc_db = cq->dev->cq_arm_db; info->cq_uk_init_info.cq_ack_db = cq->dev->cq_ack_db; irdma_uk_cq_init(&cq->cq_uk, &info->cq_uk_init_info); cq->virtual_map = info->virtual_map; cq->pbl_chunk_size = info->pbl_chunk_size; cq->ceqe_mask = info->ceqe_mask; cq->cq_type = (info->type) ? info->type : IRDMA_CQ_TYPE_IWARP; cq->shadow_area_pa = info->shadow_area_pa; cq->shadow_read_threshold = info->shadow_read_threshold; cq->ceq_id_valid = info->ceq_id_valid; cq->tph_en = info->tph_en; cq->tph_val = info->tph_val; cq->first_pm_pbl_idx = info->first_pm_pbl_idx; cq->vsi = info->vsi; return 0; } /** * irdma_sc_cq_create - create completion q * @cq: cq struct * @scratch: u64 saved to be used during cqp completion * @check_overflow: flag for overflow check * @post_sq: flag for cqp db to ring */ static int irdma_sc_cq_create(struct irdma_sc_cq *cq, u64 scratch, bool check_overflow, bool post_sq) { __le64 *wqe; struct irdma_sc_cqp *cqp; u64 hdr; struct irdma_sc_ceq *ceq; int ret_code = 0; cqp = cq->dev->cqp; if (cq->cq_uk.cq_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt) return -EINVAL; if (cq->ceq_id >= cq->dev->hmc_fpm_misc.max_ceqs) return -EINVAL; ceq = cq->dev->ceq[cq->ceq_id]; if (ceq && ceq->reg_cq) ret_code = irdma_sc_add_cq_ctx(ceq, cq); if (ret_code) return ret_code; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) { if (ceq && ceq->reg_cq) irdma_sc_remove_cq_ctx(ceq, cq); return -ENOMEM; } set_64bit_val(wqe, 0, cq->cq_uk.cq_size); set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); set_64bit_val(wqe, 16, FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, cq->shadow_read_threshold)); set_64bit_val(wqe, 32, (cq->virtual_map ? 0 : cq->cq_pa)); set_64bit_val(wqe, 40, cq->shadow_area_pa); set_64bit_val(wqe, 48, FIELD_PREP(IRDMA_CQPSQ_CQ_FIRSTPMPBLIDX, (cq->virtual_map ? cq->first_pm_pbl_idx : 0))); set_64bit_val(wqe, 56, FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) | FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx)); hdr = FLD_LS_64(cq->dev, cq->cq_uk.cq_id, IRDMA_CQPSQ_CQ_CQID) | FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0), IRDMA_CQPSQ_CQ_CEQID) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CQ) | FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) | FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, check_overflow) | FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) | FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, cq->cq_uk.avoid_mem_cflct) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: CQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_cq_destroy - destroy completion q * @cq: cq struct * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ int irdma_sc_cq_destroy(struct irdma_sc_cq *cq, u64 scratch, bool post_sq) { struct irdma_sc_cqp *cqp; __le64 *wqe; u64 hdr; struct irdma_sc_ceq *ceq; cqp = cq->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; ceq = cq->dev->ceq[cq->ceq_id]; if (ceq && ceq->reg_cq) irdma_sc_remove_cq_ctx(ceq, cq); set_64bit_val(wqe, 0, cq->cq_uk.cq_size); set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); set_64bit_val(wqe, 40, cq->shadow_area_pa); set_64bit_val(wqe, 48, (cq->virtual_map ? cq->first_pm_pbl_idx : 0)); hdr = cq->cq_uk.cq_id | FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0), IRDMA_CQPSQ_CQ_CEQID) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) | FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) | FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) | FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, cq->cq_uk.avoid_mem_cflct) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: CQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_cq_resize - set resized cq buffer info * @cq: resized cq * @info: resized cq buffer info */ void irdma_sc_cq_resize(struct irdma_sc_cq *cq, struct irdma_modify_cq_info *info) { cq->virtual_map = info->virtual_map; cq->cq_pa = info->cq_pa; cq->first_pm_pbl_idx = info->first_pm_pbl_idx; cq->pbl_chunk_size = info->pbl_chunk_size; irdma_uk_cq_resize(&cq->cq_uk, info->cq_base, info->cq_size); } /** * irdma_sc_cq_modify - modify a Completion Queue * @cq: cq struct * @info: modification info struct * @scratch: u64 saved to be used during cqp completion * @post_sq: flag to post to sq */ static int irdma_sc_cq_modify(struct irdma_sc_cq *cq, struct irdma_modify_cq_info *info, u64 scratch, bool post_sq) { struct irdma_sc_cqp *cqp; __le64 *wqe; u64 hdr; u32 pble_obj_cnt; pble_obj_cnt = cq->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; if (info->cq_resize && info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) return -EINVAL; cqp = cq->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 0, info->cq_size); set_64bit_val(wqe, 8, (uintptr_t)cq >> 1); set_64bit_val(wqe, 16, FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, info->shadow_read_threshold)); set_64bit_val(wqe, 32, info->cq_pa); set_64bit_val(wqe, 40, cq->shadow_area_pa); set_64bit_val(wqe, 48, info->first_pm_pbl_idx); set_64bit_val(wqe, 56, FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) | FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx)); hdr = cq->cq_uk.cq_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_CQ) | FIELD_PREP(IRDMA_CQPSQ_CQ_CQRESIZE, info->cq_resize) | FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, info->pbl_chunk_size) | FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, info->check_overflow) | FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, info->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) | FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) | FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, cq->cq_uk.avoid_mem_cflct) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: CQ_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_check_cqp_progress - check cqp processing progress * @timeout: timeout info struct * @dev: sc device struct */ void irdma_check_cqp_progress(struct irdma_cqp_timeout *timeout, struct irdma_sc_dev *dev) { u64 completed_ops = atomic64_read(&dev->cqp->completed_ops); if (timeout->compl_cqp_cmds != completed_ops) { timeout->compl_cqp_cmds = completed_ops; timeout->count = 0; } else if (timeout->compl_cqp_cmds != dev->cqp->requested_ops) { timeout->count++; } } /** * irdma_get_cqp_reg_info - get head and tail for cqp using registers * @cqp: struct for cqp hw * @val: cqp tail register value * @tail: wqtail register value * @error: cqp processing err */ static inline void irdma_get_cqp_reg_info(struct irdma_sc_cqp *cqp, u32 *val, u32 *tail, u32 *error) { *val = readl(cqp->dev->hw_regs[IRDMA_CQPTAIL]); *tail = FIELD_GET(IRDMA_CQPTAIL_WQTAIL, *val); *error = FIELD_GET(IRDMA_CQPTAIL_CQP_OP_ERR, *val); } /** * irdma_cqp_poll_registers - poll cqp registers * @cqp: struct for cqp hw * @tail: wqtail register value * @count: how many times to try for completion */ static int irdma_cqp_poll_registers(struct irdma_sc_cqp *cqp, u32 tail, u32 count) { u32 i = 0; u32 newtail, error, val; while (i++ < count) { irdma_get_cqp_reg_info(cqp, &val, &newtail, &error); if (error) { error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); ibdev_dbg(to_ibdev(cqp->dev), "CQP: CQPERRCODES error_code[x%08X]\n", error); return -EIO; } if (newtail != tail) { /* SUCCESS */ IRDMA_RING_MOVE_TAIL(cqp->sq_ring); atomic64_inc(&cqp->completed_ops); return 0; } udelay(cqp->dev->hw_attrs.max_sleep_count); } return -ETIMEDOUT; } /** * irdma_sc_decode_fpm_commit - decode a 64 bit value into count and base * @dev: sc device struct * @buf: pointer to commit buffer * @buf_idx: buffer index * @obj_info: object info pointer * @rsrc_idx: indexs of memory resource */ static u64 irdma_sc_decode_fpm_commit(struct irdma_sc_dev *dev, __le64 *buf, u32 buf_idx, struct irdma_hmc_obj_info *obj_info, u32 rsrc_idx) { u64 temp; get_64bit_val(buf, buf_idx, &temp); switch (rsrc_idx) { case IRDMA_HMC_IW_QP: obj_info[rsrc_idx].cnt = (u32)FIELD_GET(IRDMA_COMMIT_FPM_QPCNT, temp); break; case IRDMA_HMC_IW_CQ: obj_info[rsrc_idx].cnt = (u32)FLD_RS_64(dev, temp, IRDMA_COMMIT_FPM_CQCNT); break; case IRDMA_HMC_IW_APBVT_ENTRY: obj_info[rsrc_idx].cnt = 1; break; default: obj_info[rsrc_idx].cnt = (u32)temp; break; } obj_info[rsrc_idx].base = (temp >> IRDMA_COMMIT_FPM_BASE_S) * 512; return temp; } /** * irdma_sc_parse_fpm_commit_buf - parse fpm commit buffer * @dev: pointer to dev struct * @buf: ptr to fpm commit buffer * @info: ptr to irdma_hmc_obj_info struct * @sd: number of SDs for HMC objects * * parses fpm commit info and copy base value * of hmc objects in hmc_info */ static void irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev *dev, __le64 *buf, struct irdma_hmc_obj_info *info, u32 *sd) { u64 size; u32 i; u64 max_base = 0; u32 last_hmc_obj = 0; irdma_sc_decode_fpm_commit(dev, buf, 0, info, IRDMA_HMC_IW_QP); irdma_sc_decode_fpm_commit(dev, buf, 8, info, IRDMA_HMC_IW_CQ); /* skiping RSRVD */ irdma_sc_decode_fpm_commit(dev, buf, 24, info, IRDMA_HMC_IW_HTE); irdma_sc_decode_fpm_commit(dev, buf, 32, info, IRDMA_HMC_IW_ARP); irdma_sc_decode_fpm_commit(dev, buf, 40, info, IRDMA_HMC_IW_APBVT_ENTRY); irdma_sc_decode_fpm_commit(dev, buf, 48, info, IRDMA_HMC_IW_MR); irdma_sc_decode_fpm_commit(dev, buf, 56, info, IRDMA_HMC_IW_XF); irdma_sc_decode_fpm_commit(dev, buf, 64, info, IRDMA_HMC_IW_XFFL); irdma_sc_decode_fpm_commit(dev, buf, 72, info, IRDMA_HMC_IW_Q1); irdma_sc_decode_fpm_commit(dev, buf, 80, info, IRDMA_HMC_IW_Q1FL); irdma_sc_decode_fpm_commit(dev, buf, 88, info, IRDMA_HMC_IW_TIMER); irdma_sc_decode_fpm_commit(dev, buf, 112, info, IRDMA_HMC_IW_PBLE); /* skipping RSVD. */ if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) { irdma_sc_decode_fpm_commit(dev, buf, 96, info, IRDMA_HMC_IW_FSIMC); irdma_sc_decode_fpm_commit(dev, buf, 104, info, IRDMA_HMC_IW_FSIAV); irdma_sc_decode_fpm_commit(dev, buf, 128, info, IRDMA_HMC_IW_RRF); irdma_sc_decode_fpm_commit(dev, buf, 136, info, IRDMA_HMC_IW_RRFFL); irdma_sc_decode_fpm_commit(dev, buf, 144, info, IRDMA_HMC_IW_HDR); irdma_sc_decode_fpm_commit(dev, buf, 152, info, IRDMA_HMC_IW_MD); irdma_sc_decode_fpm_commit(dev, buf, 160, info, IRDMA_HMC_IW_OOISC); irdma_sc_decode_fpm_commit(dev, buf, 168, info, IRDMA_HMC_IW_OOISCFFL); } /* searching for the last object in HMC to find the size of the HMC area. */ for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) { if (info[i].base > max_base) { max_base = info[i].base; last_hmc_obj = i; } } size = info[last_hmc_obj].cnt * info[last_hmc_obj].size + info[last_hmc_obj].base; if (size & 0x1FFFFF) *sd = (u32)((size >> 21) + 1); /* add 1 for remainder */ else *sd = (u32)(size >> 21); } /** * irdma_sc_decode_fpm_query() - Decode a 64 bit value into max count and size * @buf: ptr to fpm query buffer * @buf_idx: index into buf * @obj_info: ptr to irdma_hmc_obj_info struct * @rsrc_idx: resource index into info * * Decode a 64 bit value from fpm query buffer into max count and size */ static u64 irdma_sc_decode_fpm_query(__le64 *buf, u32 buf_idx, struct irdma_hmc_obj_info *obj_info, u32 rsrc_idx) { u64 temp; u32 size; get_64bit_val(buf, buf_idx, &temp); obj_info[rsrc_idx].max_cnt = (u32)temp; size = (u32)(temp >> 32); obj_info[rsrc_idx].size = BIT_ULL(size); return temp; } /** * irdma_sc_parse_fpm_query_buf() - parses fpm query buffer * @dev: ptr to shared code device * @buf: ptr to fpm query buffer * @hmc_info: ptr to irdma_hmc_obj_info struct * @hmc_fpm_misc: ptr to fpm data * * parses fpm query buffer and copy max_cnt and * size value of hmc objects in hmc_info */ static int irdma_sc_parse_fpm_query_buf(struct irdma_sc_dev *dev, __le64 *buf, struct irdma_hmc_info *hmc_info, struct irdma_hmc_fpm_misc *hmc_fpm_misc) { struct irdma_hmc_obj_info *obj_info; u64 temp; u32 size; u16 max_pe_sds; obj_info = hmc_info->hmc_obj; get_64bit_val(buf, 0, &temp); hmc_info->first_sd_index = (u16)FIELD_GET(IRDMA_QUERY_FPM_FIRST_PE_SD_INDEX, temp); max_pe_sds = (u16)FIELD_GET(IRDMA_QUERY_FPM_MAX_PE_SDS, temp); hmc_fpm_misc->max_sds = max_pe_sds; hmc_info->sd_table.sd_cnt = max_pe_sds + hmc_info->first_sd_index; get_64bit_val(buf, 8, &temp); obj_info[IRDMA_HMC_IW_QP].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_QPS, temp); size = (u32)(temp >> 32); obj_info[IRDMA_HMC_IW_QP].size = BIT_ULL(size); get_64bit_val(buf, 16, &temp); obj_info[IRDMA_HMC_IW_CQ].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_CQS, temp); size = (u32)(temp >> 32); obj_info[IRDMA_HMC_IW_CQ].size = BIT_ULL(size); irdma_sc_decode_fpm_query(buf, 32, obj_info, IRDMA_HMC_IW_HTE); irdma_sc_decode_fpm_query(buf, 40, obj_info, IRDMA_HMC_IW_ARP); obj_info[IRDMA_HMC_IW_APBVT_ENTRY].size = 8192; obj_info[IRDMA_HMC_IW_APBVT_ENTRY].max_cnt = 1; irdma_sc_decode_fpm_query(buf, 48, obj_info, IRDMA_HMC_IW_MR); irdma_sc_decode_fpm_query(buf, 56, obj_info, IRDMA_HMC_IW_XF); get_64bit_val(buf, 64, &temp); obj_info[IRDMA_HMC_IW_XFFL].max_cnt = (u32)temp; obj_info[IRDMA_HMC_IW_XFFL].size = 4; hmc_fpm_misc->xf_block_size = FIELD_GET(IRDMA_QUERY_FPM_XFBLOCKSIZE, temp); if (!hmc_fpm_misc->xf_block_size) return -EINVAL; irdma_sc_decode_fpm_query(buf, 72, obj_info, IRDMA_HMC_IW_Q1); get_64bit_val(buf, 80, &temp); obj_info[IRDMA_HMC_IW_Q1FL].max_cnt = (u32)temp; obj_info[IRDMA_HMC_IW_Q1FL].size = 4; hmc_fpm_misc->q1_block_size = FIELD_GET(IRDMA_QUERY_FPM_Q1BLOCKSIZE, temp); if (!hmc_fpm_misc->q1_block_size) return -EINVAL; irdma_sc_decode_fpm_query(buf, 88, obj_info, IRDMA_HMC_IW_TIMER); get_64bit_val(buf, 112, &temp); obj_info[IRDMA_HMC_IW_PBLE].max_cnt = (u32)temp; obj_info[IRDMA_HMC_IW_PBLE].size = 8; get_64bit_val(buf, 120, &temp); hmc_fpm_misc->max_ceqs = FIELD_GET(IRDMA_QUERY_FPM_MAX_CEQS, temp); hmc_fpm_misc->ht_multiplier = FIELD_GET(IRDMA_QUERY_FPM_HTMULTIPLIER, temp); hmc_fpm_misc->timer_bucket = FIELD_GET(IRDMA_QUERY_FPM_TIMERBUCKET, temp); if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) return 0; irdma_sc_decode_fpm_query(buf, 96, obj_info, IRDMA_HMC_IW_FSIMC); irdma_sc_decode_fpm_query(buf, 104, obj_info, IRDMA_HMC_IW_FSIAV); irdma_sc_decode_fpm_query(buf, 128, obj_info, IRDMA_HMC_IW_RRF); get_64bit_val(buf, 136, &temp); obj_info[IRDMA_HMC_IW_RRFFL].max_cnt = (u32)temp; obj_info[IRDMA_HMC_IW_RRFFL].size = 4; hmc_fpm_misc->rrf_block_size = FIELD_GET(IRDMA_QUERY_FPM_RRFBLOCKSIZE, temp); if (!hmc_fpm_misc->rrf_block_size && obj_info[IRDMA_HMC_IW_RRFFL].max_cnt) return -EINVAL; irdma_sc_decode_fpm_query(buf, 144, obj_info, IRDMA_HMC_IW_HDR); irdma_sc_decode_fpm_query(buf, 152, obj_info, IRDMA_HMC_IW_MD); irdma_sc_decode_fpm_query(buf, 160, obj_info, IRDMA_HMC_IW_OOISC); get_64bit_val(buf, 168, &temp); obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt = (u32)temp; obj_info[IRDMA_HMC_IW_OOISCFFL].size = 4; hmc_fpm_misc->ooiscf_block_size = FIELD_GET(IRDMA_QUERY_FPM_OOISCFBLOCKSIZE, temp); if (!hmc_fpm_misc->ooiscf_block_size && obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt) return -EINVAL; return 0; } /** * irdma_sc_find_reg_cq - find cq ctx index * @ceq: ceq sc structure * @cq: cq sc structure */ static u32 irdma_sc_find_reg_cq(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq) { u32 i; for (i = 0; i < ceq->reg_cq_size; i++) { if (cq == ceq->reg_cq[i]) return i; } return IRDMA_INVALID_CQ_IDX; } /** * irdma_sc_add_cq_ctx - add cq ctx tracking for ceq * @ceq: ceq sc structure * @cq: cq sc structure */ int irdma_sc_add_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq) { unsigned long flags; spin_lock_irqsave(&ceq->req_cq_lock, flags); if (ceq->reg_cq_size == ceq->elem_cnt) { spin_unlock_irqrestore(&ceq->req_cq_lock, flags); return -ENOMEM; } ceq->reg_cq[ceq->reg_cq_size++] = cq; spin_unlock_irqrestore(&ceq->req_cq_lock, flags); return 0; } /** * irdma_sc_remove_cq_ctx - remove cq ctx tracking for ceq * @ceq: ceq sc structure * @cq: cq sc structure */ void irdma_sc_remove_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq) { unsigned long flags; u32 cq_ctx_idx; spin_lock_irqsave(&ceq->req_cq_lock, flags); cq_ctx_idx = irdma_sc_find_reg_cq(ceq, cq); if (cq_ctx_idx == IRDMA_INVALID_CQ_IDX) goto exit; ceq->reg_cq_size--; if (cq_ctx_idx != ceq->reg_cq_size) ceq->reg_cq[cq_ctx_idx] = ceq->reg_cq[ceq->reg_cq_size]; ceq->reg_cq[ceq->reg_cq_size] = NULL; exit: spin_unlock_irqrestore(&ceq->req_cq_lock, flags); } /** * irdma_sc_cqp_init - Initialize buffers for a control Queue Pair * @cqp: IWARP control queue pair pointer * @info: IWARP control queue pair init info pointer * * Initializes the object and context buffers for a control Queue Pair. */ int irdma_sc_cqp_init(struct irdma_sc_cqp *cqp, struct irdma_cqp_init_info *info) { u8 hw_sq_size; if (info->sq_size > IRDMA_CQP_SW_SQSIZE_2048 || info->sq_size < IRDMA_CQP_SW_SQSIZE_4 || ((info->sq_size & (info->sq_size - 1)))) return -EINVAL; hw_sq_size = irdma_get_encoded_wqe_size(info->sq_size, IRDMA_QUEUE_TYPE_CQP); cqp->size = sizeof(*cqp); cqp->sq_size = info->sq_size; cqp->hw_sq_size = hw_sq_size; cqp->sq_base = info->sq; cqp->host_ctx = info->host_ctx; cqp->sq_pa = info->sq_pa; cqp->host_ctx_pa = info->host_ctx_pa; cqp->dev = info->dev; cqp->struct_ver = info->struct_ver; cqp->hw_maj_ver = info->hw_maj_ver; cqp->hw_min_ver = info->hw_min_ver; cqp->scratch_array = info->scratch_array; cqp->polarity = 0; cqp->en_datacenter_tcp = info->en_datacenter_tcp; cqp->ena_vf_count = info->ena_vf_count; cqp->hmc_profile = info->hmc_profile; cqp->ceqs_per_vf = info->ceqs_per_vf; cqp->disable_packed = info->disable_packed; cqp->rocev2_rto_policy = info->rocev2_rto_policy; cqp->protocol_used = info->protocol_used; memcpy(&cqp->dcqcn_params, &info->dcqcn_params, sizeof(cqp->dcqcn_params)); info->dev->cqp = cqp; IRDMA_RING_INIT(cqp->sq_ring, cqp->sq_size); cqp->requested_ops = 0; atomic64_set(&cqp->completed_ops, 0); /* for the cqp commands backlog. */ INIT_LIST_HEAD(&cqp->dev->cqp_cmd_head); writel(0, cqp->dev->hw_regs[IRDMA_CQPTAIL]); writel(0, cqp->dev->hw_regs[IRDMA_CQPDB]); writel(0, cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); ibdev_dbg(to_ibdev(cqp->dev), "WQE: sq_size[%04d] hw_sq_size[%04d] sq_base[%p] sq_pa[%pK] cqp[%p] polarity[x%04x]\n", cqp->sq_size, cqp->hw_sq_size, cqp->sq_base, (u64 *)(uintptr_t)cqp->sq_pa, cqp, cqp->polarity); return 0; } /** * irdma_sc_cqp_create - create cqp during bringup * @cqp: struct for cqp hw * @maj_err: If error, major err number * @min_err: If error, minor err number */ int irdma_sc_cqp_create(struct irdma_sc_cqp *cqp, u16 *maj_err, u16 *min_err) { u64 temp; u8 hw_rev; u32 cnt = 0, p1, p2, val = 0, err_code; int ret_code; hw_rev = cqp->dev->hw_attrs.uk_attrs.hw_rev; cqp->sdbuf.size = ALIGN(IRDMA_UPDATE_SD_BUFF_SIZE * cqp->sq_size, IRDMA_SD_BUF_ALIGNMENT); cqp->sdbuf.va = dma_alloc_coherent(cqp->dev->hw->device, cqp->sdbuf.size, &cqp->sdbuf.pa, GFP_KERNEL); if (!cqp->sdbuf.va) return -ENOMEM; spin_lock_init(&cqp->dev->cqp_lock); temp = FIELD_PREP(IRDMA_CQPHC_SQSIZE, cqp->hw_sq_size) | FIELD_PREP(IRDMA_CQPHC_SVER, cqp->struct_ver) | FIELD_PREP(IRDMA_CQPHC_DISABLE_PFPDUS, cqp->disable_packed) | FIELD_PREP(IRDMA_CQPHC_CEQPERVF, cqp->ceqs_per_vf); if (hw_rev >= IRDMA_GEN_2) { temp |= FIELD_PREP(IRDMA_CQPHC_ROCEV2_RTO_POLICY, cqp->rocev2_rto_policy) | FIELD_PREP(IRDMA_CQPHC_PROTOCOL_USED, cqp->protocol_used); } set_64bit_val(cqp->host_ctx, 0, temp); set_64bit_val(cqp->host_ctx, 8, cqp->sq_pa); temp = FIELD_PREP(IRDMA_CQPHC_ENABLED_VFS, cqp->ena_vf_count) | FIELD_PREP(IRDMA_CQPHC_HMC_PROFILE, cqp->hmc_profile); set_64bit_val(cqp->host_ctx, 16, temp); set_64bit_val(cqp->host_ctx, 24, (uintptr_t)cqp); temp = FIELD_PREP(IRDMA_CQPHC_HW_MAJVER, cqp->hw_maj_ver) | FIELD_PREP(IRDMA_CQPHC_HW_MINVER, cqp->hw_min_ver); if (hw_rev >= IRDMA_GEN_2) { temp |= FIELD_PREP(IRDMA_CQPHC_MIN_RATE, cqp->dcqcn_params.min_rate) | FIELD_PREP(IRDMA_CQPHC_MIN_DEC_FACTOR, cqp->dcqcn_params.min_dec_factor); } set_64bit_val(cqp->host_ctx, 32, temp); set_64bit_val(cqp->host_ctx, 40, 0); temp = 0; if (hw_rev >= IRDMA_GEN_2) { temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_T, cqp->dcqcn_params.dcqcn_t) | FIELD_PREP(IRDMA_CQPHC_RAI_FACTOR, cqp->dcqcn_params.rai_factor) | FIELD_PREP(IRDMA_CQPHC_HAI_FACTOR, cqp->dcqcn_params.hai_factor); } set_64bit_val(cqp->host_ctx, 48, temp); temp = 0; if (hw_rev >= IRDMA_GEN_2) { temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_B, cqp->dcqcn_params.dcqcn_b) | FIELD_PREP(IRDMA_CQPHC_DCQCN_F, cqp->dcqcn_params.dcqcn_f) | FIELD_PREP(IRDMA_CQPHC_CC_CFG_VALID, cqp->dcqcn_params.cc_cfg_valid) | FIELD_PREP(IRDMA_CQPHC_RREDUCE_MPERIOD, cqp->dcqcn_params.rreduce_mperiod); } set_64bit_val(cqp->host_ctx, 56, temp); print_hex_dump_debug("WQE: CQP_HOST_CTX WQE", DUMP_PREFIX_OFFSET, 16, 8, cqp->host_ctx, IRDMA_CQP_CTX_SIZE * 8, false); p1 = cqp->host_ctx_pa >> 32; p2 = (u32)cqp->host_ctx_pa; writel(p1, cqp->dev->hw_regs[IRDMA_CCQPHIGH]); writel(p2, cqp->dev->hw_regs[IRDMA_CCQPLOW]); do { if (cnt++ > cqp->dev->hw_attrs.max_done_count) { ret_code = -ETIMEDOUT; goto err; } udelay(cqp->dev->hw_attrs.max_sleep_count); val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); } while (!val); if (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_ERR)) { ret_code = -EOPNOTSUPP; goto err; } cqp->process_cqp_sds = irdma_update_sds_noccq; return 0; err: dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size, cqp->sdbuf.va, cqp->sdbuf.pa); cqp->sdbuf.va = NULL; err_code = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); *min_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MINOR_CODE, err_code); *maj_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MAJOR_CODE, err_code); return ret_code; } /** * irdma_sc_cqp_post_sq - post of cqp's sq * @cqp: struct for cqp hw */ void irdma_sc_cqp_post_sq(struct irdma_sc_cqp *cqp) { writel(IRDMA_RING_CURRENT_HEAD(cqp->sq_ring), cqp->dev->cqp_db); ibdev_dbg(to_ibdev(cqp->dev), "WQE: CQP SQ head 0x%x tail 0x%x size 0x%x\n", cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size); } /** * irdma_sc_cqp_get_next_send_wqe_idx - get next wqe on cqp sq * and pass back index * @cqp: CQP HW structure * @scratch: private data for CQP WQE * @wqe_idx: WQE index of CQP SQ */ __le64 *irdma_sc_cqp_get_next_send_wqe_idx(struct irdma_sc_cqp *cqp, u64 scratch, u32 *wqe_idx) { __le64 *wqe = NULL; int ret_code; if (IRDMA_RING_FULL_ERR(cqp->sq_ring)) { ibdev_dbg(to_ibdev(cqp->dev), "WQE: CQP SQ is full, head 0x%x tail 0x%x size 0x%x\n", cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size); return NULL; } IRDMA_ATOMIC_RING_MOVE_HEAD(cqp->sq_ring, *wqe_idx, ret_code); if (ret_code) return NULL; cqp->requested_ops++; if (!*wqe_idx) cqp->polarity = !cqp->polarity; wqe = cqp->sq_base[*wqe_idx].elem; cqp->scratch_array[*wqe_idx] = scratch; IRDMA_CQP_INIT_WQE(wqe); return wqe; } /** * irdma_sc_cqp_destroy - destroy cqp during close * @cqp: struct for cqp hw */ int irdma_sc_cqp_destroy(struct irdma_sc_cqp *cqp) { u32 cnt = 0, val; int ret_code = 0; writel(0, cqp->dev->hw_regs[IRDMA_CCQPHIGH]); writel(0, cqp->dev->hw_regs[IRDMA_CCQPLOW]); do { if (cnt++ > cqp->dev->hw_attrs.max_done_count) { ret_code = -ETIMEDOUT; break; } udelay(cqp->dev->hw_attrs.max_sleep_count); val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]); } while (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_DONE)); dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size, cqp->sdbuf.va, cqp->sdbuf.pa); cqp->sdbuf.va = NULL; return ret_code; } /** * irdma_sc_ccq_arm - enable intr for control cq * @ccq: ccq sc struct */ void irdma_sc_ccq_arm(struct irdma_sc_cq *ccq) { u64 temp_val; u16 sw_cq_sel; u8 arm_next_se; u8 arm_seq_num; get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val); sw_cq_sel = (u16)FIELD_GET(IRDMA_CQ_DBSA_SW_CQ_SELECT, temp_val); arm_next_se = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_NEXT_SE, temp_val); arm_seq_num = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_SEQ_NUM, temp_val); arm_seq_num++; temp_val = FIELD_PREP(IRDMA_CQ_DBSA_ARM_SEQ_NUM, arm_seq_num) | FIELD_PREP(IRDMA_CQ_DBSA_SW_CQ_SELECT, sw_cq_sel) | FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT_SE, arm_next_se) | FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT, 1); set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val); dma_wmb(); /* make sure shadow area is updated before arming */ writel(ccq->cq_uk.cq_id, ccq->dev->cq_arm_db); } /** * irdma_sc_ccq_get_cqe_info - get ccq's cq entry * @ccq: ccq sc struct * @info: completion q entry to return */ int irdma_sc_ccq_get_cqe_info(struct irdma_sc_cq *ccq, struct irdma_ccq_cqe_info *info) { u64 qp_ctx, temp, temp1; __le64 *cqe; struct irdma_sc_cqp *cqp; u32 wqe_idx; u32 error; u8 polarity; int ret_code = 0; if (ccq->cq_uk.avoid_mem_cflct) cqe = IRDMA_GET_CURRENT_EXTENDED_CQ_ELEM(&ccq->cq_uk); else cqe = IRDMA_GET_CURRENT_CQ_ELEM(&ccq->cq_uk); get_64bit_val(cqe, 24, &temp); polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, temp); if (polarity != ccq->cq_uk.polarity) return -ENOENT; /* Ensure CEQE contents are read after valid bit is checked */ dma_rmb(); get_64bit_val(cqe, 8, &qp_ctx); cqp = (struct irdma_sc_cqp *)(unsigned long)qp_ctx; info->error = (bool)FIELD_GET(IRDMA_CQ_ERROR, temp); info->maj_err_code = IRDMA_CQPSQ_MAJ_NO_ERROR; info->min_err_code = (u16)FIELD_GET(IRDMA_CQ_MINERR, temp); if (info->error) { info->maj_err_code = (u16)FIELD_GET(IRDMA_CQ_MAJERR, temp); error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]); ibdev_dbg(to_ibdev(cqp->dev), "CQP: CQPERRCODES error_code[x%08X]\n", error); } wqe_idx = (u32)FIELD_GET(IRDMA_CQ_WQEIDX, temp); info->scratch = cqp->scratch_array[wqe_idx]; get_64bit_val(cqe, 16, &temp1); info->op_ret_val = (u32)FIELD_GET(IRDMA_CCQ_OPRETVAL, temp1); get_64bit_val(cqp->sq_base[wqe_idx].elem, 24, &temp1); info->op_code = (u8)FIELD_GET(IRDMA_CQPSQ_OPCODE, temp1); info->cqp = cqp; /* move the head for cq */ IRDMA_RING_MOVE_HEAD(ccq->cq_uk.cq_ring, ret_code); if (!IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring)) ccq->cq_uk.polarity ^= 1; /* update cq tail in cq shadow memory also */ IRDMA_RING_MOVE_TAIL(ccq->cq_uk.cq_ring); set_64bit_val(ccq->cq_uk.shadow_area, 0, IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring)); dma_wmb(); /* make sure shadow area is updated before moving tail */ IRDMA_RING_MOVE_TAIL(cqp->sq_ring); atomic64_inc(&cqp->completed_ops); return ret_code; } /** * irdma_sc_poll_for_cqp_op_done - Waits for last write to complete in CQP SQ * @cqp: struct for cqp hw * @op_code: cqp opcode for completion * @compl_info: completion q entry to return */ int irdma_sc_poll_for_cqp_op_done(struct irdma_sc_cqp *cqp, u8 op_code, struct irdma_ccq_cqe_info *compl_info) { struct irdma_ccq_cqe_info info = {}; struct irdma_sc_cq *ccq; int ret_code = 0; u32 cnt = 0; ccq = cqp->dev->ccq; while (1) { if (cnt++ > 100 * cqp->dev->hw_attrs.max_done_count) return -ETIMEDOUT; if (irdma_sc_ccq_get_cqe_info(ccq, &info)) { udelay(cqp->dev->hw_attrs.max_sleep_count); continue; } if (info.error && info.op_code != IRDMA_CQP_OP_QUERY_STAG) { ret_code = -EIO; break; } /* make sure op code matches*/ if (op_code == info.op_code) break; ibdev_dbg(to_ibdev(cqp->dev), "WQE: opcode mismatch for my op code 0x%x, returned opcode %x\n", op_code, info.op_code); } if (compl_info) memcpy(compl_info, &info, sizeof(*compl_info)); return ret_code; } /** * irdma_sc_manage_hmc_pm_func_table - manage of function table * @cqp: struct for cqp hw * @scratch: u64 saved to be used during cqp completion * @info: info for the manage function table operation * @post_sq: flag for cqp db to ring */ static int irdma_sc_manage_hmc_pm_func_table(struct irdma_sc_cqp *cqp, struct irdma_hmc_fcn_info *info, u64 scratch, bool post_sq) { __le64 *wqe; u64 hdr; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 0, 0); set_64bit_val(wqe, 8, 0); set_64bit_val(wqe, 16, 0); set_64bit_val(wqe, 32, 0); set_64bit_val(wqe, 40, 0); set_64bit_val(wqe, 48, 0); set_64bit_val(wqe, 56, 0); hdr = FIELD_PREP(IRDMA_CQPSQ_MHMC_VFIDX, info->vf_id) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE) | FIELD_PREP(IRDMA_CQPSQ_MHMC_FREEPMFN, info->free_fcn) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: MANAGE_HMC_PM_FUNC_TABLE WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_commit_fpm_val_done - wait for cqp eqe completion * for fpm commit * @cqp: struct for cqp hw */ static int irdma_sc_commit_fpm_val_done(struct irdma_sc_cqp *cqp) { return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_COMMIT_FPM_VAL, NULL); } /** * irdma_sc_commit_fpm_val - cqp wqe for commit fpm values * @cqp: struct for cqp hw * @scratch: u64 saved to be used during cqp completion * @hmc_fn_id: hmc function id * @commit_fpm_mem: Memory for fpm values * @post_sq: flag for cqp db to ring * @wait_type: poll ccq or cqp registers for cqp completion */ static int irdma_sc_commit_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch, u8 hmc_fn_id, struct irdma_dma_mem *commit_fpm_mem, bool post_sq, u8 wait_type) { __le64 *wqe; u64 hdr; u32 tail, val, error; int ret_code = 0; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, hmc_fn_id); set_64bit_val(wqe, 32, commit_fpm_mem->pa); hdr = FIELD_PREP(IRDMA_CQPSQ_BUFSIZE, IRDMA_COMMIT_FPM_BUF_SIZE) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_COMMIT_FPM_VAL) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: COMMIT_FPM_VAL WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_get_cqp_reg_info(cqp, &val, &tail, &error); if (post_sq) { irdma_sc_cqp_post_sq(cqp); if (wait_type == IRDMA_CQP_WAIT_POLL_REGS) ret_code = irdma_cqp_poll_registers(cqp, tail, cqp->dev->hw_attrs.max_done_count); else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ) ret_code = irdma_sc_commit_fpm_val_done(cqp); } return ret_code; } /** * irdma_sc_query_fpm_val_done - poll for cqp wqe completion for * query fpm * @cqp: struct for cqp hw */ static int irdma_sc_query_fpm_val_done(struct irdma_sc_cqp *cqp) { return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_QUERY_FPM_VAL, NULL); } /** * irdma_sc_query_fpm_val - cqp wqe query fpm values * @cqp: struct for cqp hw * @scratch: u64 saved to be used during cqp completion * @hmc_fn_id: hmc function id * @query_fpm_mem: memory for return fpm values * @post_sq: flag for cqp db to ring * @wait_type: poll ccq or cqp registers for cqp completion */ static int irdma_sc_query_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch, u8 hmc_fn_id, struct irdma_dma_mem *query_fpm_mem, bool post_sq, u8 wait_type) { __le64 *wqe; u64 hdr; u32 tail, val, error; int ret_code = 0; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, hmc_fn_id); set_64bit_val(wqe, 32, query_fpm_mem->pa); hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_QUERY_FPM_VAL) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: QUERY_FPM WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_get_cqp_reg_info(cqp, &val, &tail, &error); if (post_sq) { irdma_sc_cqp_post_sq(cqp); if (wait_type == IRDMA_CQP_WAIT_POLL_REGS) ret_code = irdma_cqp_poll_registers(cqp, tail, cqp->dev->hw_attrs.max_done_count); else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ) ret_code = irdma_sc_query_fpm_val_done(cqp); } return ret_code; } /** * irdma_sc_ceq_init - initialize ceq * @ceq: ceq sc structure * @info: ceq initialization info */ int irdma_sc_ceq_init(struct irdma_sc_ceq *ceq, struct irdma_ceq_init_info *info) { u32 pble_obj_cnt; if (info->elem_cnt < info->dev->hw_attrs.min_hw_ceq_size || info->elem_cnt > info->dev->hw_attrs.max_hw_ceq_size) return -EINVAL; if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs) return -EINVAL; pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) return -EINVAL; ceq->size = sizeof(*ceq); ceq->ceqe_base = (struct irdma_ceqe *)info->ceqe_base; ceq->ceq_id = info->ceq_id; ceq->dev = info->dev; ceq->elem_cnt = info->elem_cnt; ceq->ceq_elem_pa = info->ceqe_pa; ceq->virtual_map = info->virtual_map; ceq->itr_no_expire = info->itr_no_expire; ceq->reg_cq = info->reg_cq; ceq->reg_cq_size = 0; spin_lock_init(&ceq->req_cq_lock); ceq->pbl_chunk_size = (ceq->virtual_map ? info->pbl_chunk_size : 0); ceq->first_pm_pbl_idx = (ceq->virtual_map ? info->first_pm_pbl_idx : 0); ceq->pbl_list = (ceq->virtual_map ? info->pbl_list : NULL); ceq->tph_en = info->tph_en; ceq->tph_val = info->tph_val; ceq->vsi = info->vsi; ceq->polarity = 1; IRDMA_RING_INIT(ceq->ceq_ring, ceq->elem_cnt); ceq->dev->ceq[info->ceq_id] = ceq; return 0; } /** * irdma_sc_ceq_create - create ceq wqe * @ceq: ceq sc structure * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_ceq_create(struct irdma_sc_ceq *ceq, u64 scratch, bool post_sq) { struct irdma_sc_cqp *cqp; __le64 *wqe; u64 hdr; cqp = ceq->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, ceq->elem_cnt); set_64bit_val(wqe, 32, (ceq->virtual_map ? 0 : ceq->ceq_elem_pa)); set_64bit_val(wqe, 48, (ceq->virtual_map ? ceq->first_pm_pbl_idx : 0)); set_64bit_val(wqe, 56, FIELD_PREP(IRDMA_CQPSQ_TPHVAL, ceq->tph_val) | FIELD_PREP(IRDMA_CQPSQ_VSIIDX, ceq->vsi->vsi_idx)); hdr = FIELD_PREP(IRDMA_CQPSQ_CEQ_CEQID, ceq->ceq_id) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CEQ) | FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) | FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_CEQ_ITRNOEXPIRE, ceq->itr_no_expire) | FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: CEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_cceq_create_done - poll for control ceq wqe to complete * @ceq: ceq sc structure */ static int irdma_sc_cceq_create_done(struct irdma_sc_ceq *ceq) { struct irdma_sc_cqp *cqp; cqp = ceq->dev->cqp; return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CEQ, NULL); } /** * irdma_sc_cceq_destroy_done - poll for destroy cceq to complete * @ceq: ceq sc structure */ int irdma_sc_cceq_destroy_done(struct irdma_sc_ceq *ceq) { struct irdma_sc_cqp *cqp; if (ceq->reg_cq) irdma_sc_remove_cq_ctx(ceq, ceq->dev->ccq); cqp = ceq->dev->cqp; cqp->process_cqp_sds = irdma_update_sds_noccq; return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_DESTROY_CEQ, NULL); } /** * irdma_sc_cceq_create - create cceq * @ceq: ceq sc structure * @scratch: u64 saved to be used during cqp completion */ int irdma_sc_cceq_create(struct irdma_sc_ceq *ceq, u64 scratch) { int ret_code; struct irdma_sc_dev *dev = ceq->dev; dev->ccq->vsi = ceq->vsi; if (ceq->reg_cq) { ret_code = irdma_sc_add_cq_ctx(ceq, ceq->dev->ccq); if (ret_code) return ret_code; } ret_code = irdma_sc_ceq_create(ceq, scratch, true); if (!ret_code) return irdma_sc_cceq_create_done(ceq); return ret_code; } /** * irdma_sc_ceq_destroy - destroy ceq * @ceq: ceq sc structure * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ int irdma_sc_ceq_destroy(struct irdma_sc_ceq *ceq, u64 scratch, bool post_sq) { struct irdma_sc_cqp *cqp; __le64 *wqe; u64 hdr; cqp = ceq->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, ceq->elem_cnt); set_64bit_val(wqe, 48, ceq->first_pm_pbl_idx); hdr = ceq->ceq_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CEQ) | FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) | FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: CEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_process_ceq - process ceq * @dev: sc device struct * @ceq: ceq sc structure * * It is expected caller serializes this function with cleanup_ceqes() * because these functions manipulate the same ceq */ void *irdma_sc_process_ceq(struct irdma_sc_dev *dev, struct irdma_sc_ceq *ceq) { u64 temp; __le64 *ceqe; struct irdma_sc_cq *cq = NULL; struct irdma_sc_cq *temp_cq; u8 polarity; u32 cq_idx; unsigned long flags; do { cq_idx = 0; ceqe = IRDMA_GET_CURRENT_CEQ_ELEM(ceq); get_64bit_val(ceqe, 0, &temp); polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp); if (polarity != ceq->polarity) return NULL; temp_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1); if (!temp_cq) { cq_idx = IRDMA_INVALID_CQ_IDX; IRDMA_RING_MOVE_TAIL(ceq->ceq_ring); if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring)) ceq->polarity ^= 1; continue; } cq = temp_cq; if (ceq->reg_cq) { spin_lock_irqsave(&ceq->req_cq_lock, flags); cq_idx = irdma_sc_find_reg_cq(ceq, cq); spin_unlock_irqrestore(&ceq->req_cq_lock, flags); } IRDMA_RING_MOVE_TAIL(ceq->ceq_ring); if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring)) ceq->polarity ^= 1; } while (cq_idx == IRDMA_INVALID_CQ_IDX); if (cq) irdma_sc_cq_ack(cq); return cq; } /** * irdma_sc_cleanup_ceqes - clear the valid ceqes ctx matching the cq * @cq: cq for which the ceqes need to be cleaned up * @ceq: ceq ptr * * The function is called after the cq is destroyed to cleanup * its pending ceqe entries. It is expected caller serializes this * function with process_ceq() in interrupt context. */ void irdma_sc_cleanup_ceqes(struct irdma_sc_cq *cq, struct irdma_sc_ceq *ceq) { struct irdma_sc_cq *next_cq; u8 ceq_polarity = ceq->polarity; __le64 *ceqe; u8 polarity; u64 temp; int next; u32 i; next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, 0); for (i = 1; i <= IRDMA_RING_SIZE(*ceq); i++) { ceqe = IRDMA_GET_CEQ_ELEM_AT_POS(ceq, next); get_64bit_val(ceqe, 0, &temp); polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp); if (polarity != ceq_polarity) return; next_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1); if (cq == next_cq) set_64bit_val(ceqe, 0, temp & IRDMA_CEQE_VALID); next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, i); if (!next) ceq_polarity ^= 1; } } /** * irdma_sc_aeq_init - initialize aeq * @aeq: aeq structure ptr * @info: aeq initialization info */ int irdma_sc_aeq_init(struct irdma_sc_aeq *aeq, struct irdma_aeq_init_info *info) { u32 pble_obj_cnt; if (info->elem_cnt < info->dev->hw_attrs.min_hw_aeq_size || info->elem_cnt > info->dev->hw_attrs.max_hw_aeq_size) return -EINVAL; pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) return -EINVAL; aeq->size = sizeof(*aeq); aeq->polarity = 1; aeq->aeqe_base = (struct irdma_sc_aeqe *)info->aeqe_base; aeq->dev = info->dev; aeq->elem_cnt = info->elem_cnt; aeq->aeq_elem_pa = info->aeq_elem_pa; IRDMA_RING_INIT(aeq->aeq_ring, aeq->elem_cnt); aeq->virtual_map = info->virtual_map; aeq->pbl_list = (aeq->virtual_map ? info->pbl_list : NULL); aeq->pbl_chunk_size = (aeq->virtual_map ? info->pbl_chunk_size : 0); aeq->first_pm_pbl_idx = (aeq->virtual_map ? info->first_pm_pbl_idx : 0); aeq->msix_idx = info->msix_idx; info->dev->aeq = aeq; return 0; } /** * irdma_sc_aeq_create - create aeq * @aeq: aeq structure ptr * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_aeq_create(struct irdma_sc_aeq *aeq, u64 scratch, bool post_sq) { __le64 *wqe; struct irdma_sc_cqp *cqp; u64 hdr; cqp = aeq->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, aeq->elem_cnt); set_64bit_val(wqe, 32, (aeq->virtual_map ? 0 : aeq->aeq_elem_pa)); set_64bit_val(wqe, 48, (aeq->virtual_map ? aeq->first_pm_pbl_idx : 0)); hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_AEQ) | FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) | FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: AEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_aeq_destroy - destroy aeq during close * @aeq: aeq structure ptr * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ static int irdma_sc_aeq_destroy(struct irdma_sc_aeq *aeq, u64 scratch, bool post_sq) { __le64 *wqe; struct irdma_sc_cqp *cqp; struct irdma_sc_dev *dev; u64 hdr; dev = aeq->dev; writel(0, dev->hw_regs[IRDMA_PFINT_AEQCTL]); cqp = dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, aeq->elem_cnt); set_64bit_val(wqe, 48, aeq->first_pm_pbl_idx); hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_AEQ) | FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) | FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: AEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); if (post_sq) irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_sc_get_next_aeqe - get next aeq entry * @aeq: aeq structure ptr * @info: aeqe info to be returned */ int irdma_sc_get_next_aeqe(struct irdma_sc_aeq *aeq, struct irdma_aeqe_info *info) { u64 temp, compl_ctx; __le64 *aeqe; u8 ae_src; u8 polarity; aeqe = IRDMA_GET_CURRENT_AEQ_ELEM(aeq); get_64bit_val(aeqe, 8, &temp); polarity = (u8)FIELD_GET(IRDMA_AEQE_VALID, temp); if (aeq->polarity != polarity) return -ENOENT; /* Ensure AEQE contents are read after valid bit is checked */ dma_rmb(); get_64bit_val(aeqe, 0, &compl_ctx); print_hex_dump_debug("WQE: AEQ_ENTRY WQE", DUMP_PREFIX_OFFSET, 16, 8, aeqe, 16, false); ae_src = (u8)FIELD_GET(IRDMA_AEQE_AESRC, temp); info->wqe_idx = (u16)FIELD_GET(IRDMA_AEQE_WQDESCIDX, temp); info->qp_cq_id = (u32)FIELD_GET(IRDMA_AEQE_QPCQID_LOW, temp) | ((u32)FIELD_GET(IRDMA_AEQE_QPCQID_HI, temp) << 18); info->ae_id = (u16)FIELD_GET(IRDMA_AEQE_AECODE, temp); info->tcp_state = (u8)FIELD_GET(IRDMA_AEQE_TCPSTATE, temp); info->iwarp_state = (u8)FIELD_GET(IRDMA_AEQE_IWSTATE, temp); info->q2_data_written = (u8)FIELD_GET(IRDMA_AEQE_Q2DATA, temp); info->aeqe_overflow = (bool)FIELD_GET(IRDMA_AEQE_OVERFLOW, temp); info->ae_src = ae_src; switch (info->ae_id) { case IRDMA_AE_PRIV_OPERATION_DENIED: case IRDMA_AE_AMP_INVALIDATE_TYPE1_MW: case IRDMA_AE_AMP_MWBIND_ZERO_BASED_TYPE1_MW: case IRDMA_AE_AMP_FASTREG_INVALID_PBL_HPS_CFG: case IRDMA_AE_AMP_FASTREG_PBLE_MISMATCH: case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG: case IRDMA_AE_UDA_XMIT_BAD_PD: case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT: case IRDMA_AE_BAD_CLOSE: case IRDMA_AE_RDMA_READ_WHILE_ORD_ZERO: case IRDMA_AE_STAG_ZERO_INVALID: case IRDMA_AE_IB_RREQ_AND_Q1_FULL: case IRDMA_AE_IB_INVALID_REQUEST: case IRDMA_AE_WQE_UNEXPECTED_OPCODE: case IRDMA_AE_IB_REMOTE_ACCESS_ERROR: case IRDMA_AE_IB_REMOTE_OP_ERROR: 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_ROCE_RSP_LENGTH_ERROR: case IRDMA_AE_INVALID_ARP_ENTRY: case IRDMA_AE_INVALID_TCP_OPTION_RCVD: case IRDMA_AE_STALE_ARP_ENTRY: case IRDMA_AE_INVALID_AH_ENTRY: case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR: case IRDMA_AE_LLP_SEGMENT_TOO_SMALL: case IRDMA_AE_LLP_TOO_MANY_RETRIES: case IRDMA_AE_LLP_DOUBT_REACHABILITY: case IRDMA_AE_LLP_CONNECTION_ESTABLISHED: case IRDMA_AE_RESET_SENT: case IRDMA_AE_TERMINATE_SENT: case IRDMA_AE_RESET_NOT_SENT: case IRDMA_AE_LCE_QP_CATASTROPHIC: case IRDMA_AE_QP_SUSPEND_COMPLETE: case IRDMA_AE_UDA_L4LEN_INVALID: info->qp = true; info->compl_ctx = compl_ctx; break; case IRDMA_AE_LCE_CQ_CATASTROPHIC: info->cq = true; info->compl_ctx = compl_ctx << 1; ae_src = IRDMA_AE_SOURCE_RSVD; break; case IRDMA_AE_ROCE_EMPTY_MCG: case IRDMA_AE_ROCE_BAD_MC_IP_ADDR: case IRDMA_AE_ROCE_BAD_MC_QPID: case IRDMA_AE_MCG_QP_PROTOCOL_MISMATCH: fallthrough; case IRDMA_AE_LLP_CONNECTION_RESET: case IRDMA_AE_LLP_SYN_RECEIVED: case IRDMA_AE_LLP_FIN_RECEIVED: case IRDMA_AE_LLP_CLOSE_COMPLETE: case IRDMA_AE_LLP_TERMINATE_RECEIVED: case IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE: ae_src = IRDMA_AE_SOURCE_RSVD; info->qp = true; info->compl_ctx = compl_ctx; break; default: break; } switch (ae_src) { case IRDMA_AE_SOURCE_RQ: case IRDMA_AE_SOURCE_RQ_0011: info->qp = true; info->rq = true; info->compl_ctx = compl_ctx; break; case IRDMA_AE_SOURCE_CQ: case IRDMA_AE_SOURCE_CQ_0110: case IRDMA_AE_SOURCE_CQ_1010: case IRDMA_AE_SOURCE_CQ_1110: info->cq = true; info->compl_ctx = compl_ctx << 1; break; case IRDMA_AE_SOURCE_SQ: case IRDMA_AE_SOURCE_SQ_0111: info->qp = true; info->sq = true; info->compl_ctx = compl_ctx; break; case IRDMA_AE_SOURCE_IN_RR_WR: case IRDMA_AE_SOURCE_IN_RR_WR_1011: info->qp = true; info->compl_ctx = compl_ctx; info->in_rdrsp_wr = true; break; case IRDMA_AE_SOURCE_OUT_RR: case IRDMA_AE_SOURCE_OUT_RR_1111: info->qp = true; info->compl_ctx = compl_ctx; info->out_rdrsp = true; break; case IRDMA_AE_SOURCE_RSVD: default: break; } IRDMA_RING_MOVE_TAIL(aeq->aeq_ring); if (!IRDMA_RING_CURRENT_TAIL(aeq->aeq_ring)) aeq->polarity ^= 1; return 0; } /** * irdma_sc_repost_aeq_entries - repost completed aeq entries * @dev: sc device struct * @count: allocate count */ void irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count) { writel(count, dev->hw_regs[IRDMA_AEQALLOC]); } /** * irdma_sc_ccq_init - initialize control cq * @cq: sc's cq ctruct * @info: info for control cq initialization */ int irdma_sc_ccq_init(struct irdma_sc_cq *cq, struct irdma_ccq_init_info *info) { u32 pble_obj_cnt; if (info->num_elem < info->dev->hw_attrs.uk_attrs.min_hw_cq_size || info->num_elem > info->dev->hw_attrs.uk_attrs.max_hw_cq_size) return -EINVAL; if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs) return -EINVAL; pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt; if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt) return -EINVAL; cq->cq_pa = info->cq_pa; cq->cq_uk.cq_base = info->cq_base; cq->shadow_area_pa = info->shadow_area_pa; cq->cq_uk.shadow_area = info->shadow_area; cq->shadow_read_threshold = info->shadow_read_threshold; cq->dev = info->dev; cq->ceq_id = info->ceq_id; cq->cq_uk.cq_size = info->num_elem; cq->cq_type = IRDMA_CQ_TYPE_CQP; cq->ceqe_mask = info->ceqe_mask; IRDMA_RING_INIT(cq->cq_uk.cq_ring, info->num_elem); cq->cq_uk.cq_id = 0; /* control cq is id 0 always */ cq->ceq_id_valid = info->ceq_id_valid; cq->tph_en = info->tph_en; cq->tph_val = info->tph_val; cq->cq_uk.avoid_mem_cflct = info->avoid_mem_cflct; cq->pbl_list = info->pbl_list; cq->virtual_map = info->virtual_map; cq->pbl_chunk_size = info->pbl_chunk_size; cq->first_pm_pbl_idx = info->first_pm_pbl_idx; cq->cq_uk.polarity = true; cq->vsi = info->vsi; cq->cq_uk.cq_ack_db = cq->dev->cq_ack_db; /* Only applicable to CQs other than CCQ so initialize to zero */ cq->cq_uk.cqe_alloc_db = NULL; info->dev->ccq = cq; return 0; } /** * irdma_sc_ccq_create_done - poll cqp for ccq create * @ccq: ccq sc struct */ static inline int irdma_sc_ccq_create_done(struct irdma_sc_cq *ccq) { struct irdma_sc_cqp *cqp; cqp = ccq->dev->cqp; return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CQ, NULL); } /** * irdma_sc_ccq_create - create control cq * @ccq: ccq sc struct * @scratch: u64 saved to be used during cqp completion * @check_overflow: overlow flag for ccq * @post_sq: flag for cqp db to ring */ int irdma_sc_ccq_create(struct irdma_sc_cq *ccq, u64 scratch, bool check_overflow, bool post_sq) { int ret_code; ret_code = irdma_sc_cq_create(ccq, scratch, check_overflow, post_sq); if (ret_code) return ret_code; if (post_sq) { ret_code = irdma_sc_ccq_create_done(ccq); if (ret_code) return ret_code; } ccq->dev->cqp->process_cqp_sds = irdma_cqp_sds_cmd; return 0; } /** * irdma_sc_ccq_destroy - destroy ccq during close * @ccq: ccq sc struct * @scratch: u64 saved to be used during cqp completion * @post_sq: flag for cqp db to ring */ int irdma_sc_ccq_destroy(struct irdma_sc_cq *ccq, u64 scratch, bool post_sq) { struct irdma_sc_cqp *cqp; __le64 *wqe; u64 hdr; int ret_code = 0; u32 tail, val, error; cqp = ccq->dev->cqp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 0, ccq->cq_uk.cq_size); set_64bit_val(wqe, 8, (uintptr_t)ccq >> 1); set_64bit_val(wqe, 40, ccq->shadow_area_pa); hdr = ccq->cq_uk.cq_id | FLD_LS_64(ccq->dev, (ccq->ceq_id_valid ? ccq->ceq_id : 0), IRDMA_CQPSQ_CQ_CEQID) | FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) | FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, ccq->ceqe_mask) | FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, ccq->ceq_id_valid) | FIELD_PREP(IRDMA_CQPSQ_TPHEN, ccq->tph_en) | FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, ccq->cq_uk.avoid_mem_cflct) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: CCQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_get_cqp_reg_info(cqp, &val, &tail, &error); if (post_sq) { irdma_sc_cqp_post_sq(cqp); ret_code = irdma_cqp_poll_registers(cqp, tail, cqp->dev->hw_attrs.max_done_count); } cqp->process_cqp_sds = irdma_update_sds_noccq; return ret_code; } /** * irdma_sc_init_iw_hmc() - queries fpm values using cqp and populates hmc_info * @dev : ptr to irdma_dev struct * @hmc_fn_id: hmc function id */ int irdma_sc_init_iw_hmc(struct irdma_sc_dev *dev, u8 hmc_fn_id) { struct irdma_hmc_info *hmc_info; struct irdma_hmc_fpm_misc *hmc_fpm_misc; struct irdma_dma_mem query_fpm_mem; int ret_code = 0; u8 wait_type; hmc_info = dev->hmc_info; hmc_fpm_misc = &dev->hmc_fpm_misc; query_fpm_mem.pa = dev->fpm_query_buf_pa; query_fpm_mem.va = dev->fpm_query_buf; hmc_info->hmc_fn_id = hmc_fn_id; wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS; ret_code = irdma_sc_query_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id, &query_fpm_mem, true, wait_type); if (ret_code) return ret_code; /* parse the fpm_query_buf and fill hmc obj info */ ret_code = irdma_sc_parse_fpm_query_buf(dev, query_fpm_mem.va, hmc_info, hmc_fpm_misc); print_hex_dump_debug("HMC: QUERY FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 8, query_fpm_mem.va, IRDMA_QUERY_FPM_BUF_SIZE, false); return ret_code; } /** * irdma_sc_cfg_iw_fpm() - commits hmc obj cnt values using cqp * command and populates fpm base address in hmc_info * @dev : ptr to irdma_dev struct * @hmc_fn_id: hmc function id */ static int irdma_sc_cfg_iw_fpm(struct irdma_sc_dev *dev, u8 hmc_fn_id) { struct irdma_hmc_info *hmc_info; struct irdma_hmc_obj_info *obj_info; __le64 *buf; struct irdma_dma_mem commit_fpm_mem; int ret_code = 0; u8 wait_type; hmc_info = dev->hmc_info; obj_info = hmc_info->hmc_obj; buf = dev->fpm_commit_buf; set_64bit_val(buf, 0, (u64)obj_info[IRDMA_HMC_IW_QP].cnt); set_64bit_val(buf, 8, (u64)obj_info[IRDMA_HMC_IW_CQ].cnt); set_64bit_val(buf, 16, (u64)0); /* RSRVD */ set_64bit_val(buf, 24, (u64)obj_info[IRDMA_HMC_IW_HTE].cnt); set_64bit_val(buf, 32, (u64)obj_info[IRDMA_HMC_IW_ARP].cnt); set_64bit_val(buf, 40, (u64)0); /* RSVD */ set_64bit_val(buf, 48, (u64)obj_info[IRDMA_HMC_IW_MR].cnt); set_64bit_val(buf, 56, (u64)obj_info[IRDMA_HMC_IW_XF].cnt); set_64bit_val(buf, 64, (u64)obj_info[IRDMA_HMC_IW_XFFL].cnt); set_64bit_val(buf, 72, (u64)obj_info[IRDMA_HMC_IW_Q1].cnt); set_64bit_val(buf, 80, (u64)obj_info[IRDMA_HMC_IW_Q1FL].cnt); set_64bit_val(buf, 88, (u64)obj_info[IRDMA_HMC_IW_TIMER].cnt); set_64bit_val(buf, 96, (u64)obj_info[IRDMA_HMC_IW_FSIMC].cnt); set_64bit_val(buf, 104, (u64)obj_info[IRDMA_HMC_IW_FSIAV].cnt); set_64bit_val(buf, 112, (u64)obj_info[IRDMA_HMC_IW_PBLE].cnt); set_64bit_val(buf, 120, (u64)0); /* RSVD */ set_64bit_val(buf, 128, (u64)obj_info[IRDMA_HMC_IW_RRF].cnt); set_64bit_val(buf, 136, (u64)obj_info[IRDMA_HMC_IW_RRFFL].cnt); set_64bit_val(buf, 144, (u64)obj_info[IRDMA_HMC_IW_HDR].cnt); set_64bit_val(buf, 152, (u64)obj_info[IRDMA_HMC_IW_MD].cnt); set_64bit_val(buf, 160, (u64)obj_info[IRDMA_HMC_IW_OOISC].cnt); set_64bit_val(buf, 168, (u64)obj_info[IRDMA_HMC_IW_OOISCFFL].cnt); commit_fpm_mem.pa = dev->fpm_commit_buf_pa; commit_fpm_mem.va = dev->fpm_commit_buf; wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS; print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE, false); ret_code = irdma_sc_commit_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id, &commit_fpm_mem, true, wait_type); if (!ret_code) irdma_sc_parse_fpm_commit_buf(dev, dev->fpm_commit_buf, hmc_info->hmc_obj, &hmc_info->sd_table.sd_cnt); print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16, 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE, false); return ret_code; } /** * cqp_sds_wqe_fill - fill cqp wqe doe sd * @cqp: struct for cqp hw * @info: sd info for wqe * @scratch: u64 saved to be used during cqp completion */ static int cqp_sds_wqe_fill(struct irdma_sc_cqp *cqp, struct irdma_update_sds_info *info, u64 scratch) { u64 data; u64 hdr; __le64 *wqe; int mem_entries, wqe_entries; struct irdma_dma_mem *sdbuf = &cqp->sdbuf; u64 offset = 0; u32 wqe_idx; wqe = irdma_sc_cqp_get_next_send_wqe_idx(cqp, scratch, &wqe_idx); if (!wqe) return -ENOMEM; wqe_entries = (info->cnt > 3) ? 3 : info->cnt; mem_entries = info->cnt - wqe_entries; if (mem_entries) { offset = wqe_idx * IRDMA_UPDATE_SD_BUFF_SIZE; memcpy(((char *)sdbuf->va + offset), &info->entry[3], mem_entries << 4); data = (u64)sdbuf->pa + offset; } else { data = 0; } data |= FIELD_PREP(IRDMA_CQPSQ_UPESD_HMCFNID, info->hmc_fn_id); set_64bit_val(wqe, 16, data); switch (wqe_entries) { case 3: set_64bit_val(wqe, 48, (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[2].cmd) | FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1))); set_64bit_val(wqe, 56, info->entry[2].data); fallthrough; case 2: set_64bit_val(wqe, 32, (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[1].cmd) | FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1))); set_64bit_val(wqe, 40, info->entry[1].data); fallthrough; case 1: set_64bit_val(wqe, 0, FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[0].cmd)); set_64bit_val(wqe, 8, info->entry[0].data); break; default: break; } hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPDATE_PE_SDS) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_COUNT, mem_entries); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); if (mem_entries) print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE Buffer", DUMP_PREFIX_OFFSET, 16, 8, (char *)sdbuf->va + offset, mem_entries << 4, false); print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); return 0; } /** * irdma_update_pe_sds - cqp wqe for sd * @dev: ptr to irdma_dev struct * @info: sd info for sd's * @scratch: u64 saved to be used during cqp completion */ static int irdma_update_pe_sds(struct irdma_sc_dev *dev, struct irdma_update_sds_info *info, u64 scratch) { struct irdma_sc_cqp *cqp = dev->cqp; int ret_code; ret_code = cqp_sds_wqe_fill(cqp, info, scratch); if (!ret_code) irdma_sc_cqp_post_sq(cqp); return ret_code; } /** * irdma_update_sds_noccq - update sd before ccq created * @dev: sc device struct * @info: sd info for sd's */ int irdma_update_sds_noccq(struct irdma_sc_dev *dev, struct irdma_update_sds_info *info) { u32 error, val, tail; struct irdma_sc_cqp *cqp = dev->cqp; int ret_code; ret_code = cqp_sds_wqe_fill(cqp, info, 0); if (ret_code) return ret_code; irdma_get_cqp_reg_info(cqp, &val, &tail, &error); irdma_sc_cqp_post_sq(cqp); return irdma_cqp_poll_registers(cqp, tail, cqp->dev->hw_attrs.max_done_count); } /** * irdma_sc_static_hmc_pages_allocated - cqp wqe to allocate hmc pages * @cqp: struct for cqp hw * @scratch: u64 saved to be used during cqp completion * @hmc_fn_id: hmc function id * @post_sq: flag for cqp db to ring * @poll_registers: flag to poll register for cqp completion */ int irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp *cqp, u64 scratch, u8 hmc_fn_id, bool post_sq, bool poll_registers) { u64 hdr; __le64 *wqe; u32 tail, val, error; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; set_64bit_val(wqe, 16, FIELD_PREP(IRDMA_SHMC_PAGE_ALLOCATED_HMC_FN_ID, hmc_fn_id)); hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED) | FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, hdr); print_hex_dump_debug("WQE: SHMC_PAGES_ALLOCATED WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_get_cqp_reg_info(cqp, &val, &tail, &error); if (post_sq) { irdma_sc_cqp_post_sq(cqp); if (poll_registers) /* check for cqp sq tail update */ return irdma_cqp_poll_registers(cqp, tail, cqp->dev->hw_attrs.max_done_count); else return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED, NULL); } return 0; } /** * irdma_cqp_ring_full - check if cqp ring is full * @cqp: struct for cqp hw */ static bool irdma_cqp_ring_full(struct irdma_sc_cqp *cqp) { return IRDMA_RING_FULL_ERR(cqp->sq_ring); } /** * irdma_est_sd - returns approximate number of SDs for HMC * @dev: sc device struct * @hmc_info: hmc structure, size and count for HMC objects */ static u32 irdma_est_sd(struct irdma_sc_dev *dev, struct irdma_hmc_info *hmc_info) { int i; u64 size = 0; u64 sd; for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) if (i != IRDMA_HMC_IW_PBLE) size += round_up(hmc_info->hmc_obj[i].cnt * hmc_info->hmc_obj[i].size, 512); size += round_up(hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt * hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].size, 512); if (size & 0x1FFFFF) sd = (size >> 21) + 1; /* add 1 for remainder */ else sd = size >> 21; if (sd > 0xFFFFFFFF) { ibdev_dbg(to_ibdev(dev), "HMC: sd overflow[%lld]\n", sd); sd = 0xFFFFFFFF - 1; } return (u32)sd; } /** * irdma_sc_query_rdma_features_done - poll cqp for query features done * @cqp: struct for cqp hw */ static int irdma_sc_query_rdma_features_done(struct irdma_sc_cqp *cqp) { return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_QUERY_RDMA_FEATURES, NULL); } /** * irdma_sc_query_rdma_features - query RDMA features and FW ver * @cqp: struct for cqp hw * @buf: buffer to hold query info * @scratch: u64 saved to be used during cqp completion */ static int irdma_sc_query_rdma_features(struct irdma_sc_cqp *cqp, struct irdma_dma_mem *buf, u64 scratch) { __le64 *wqe; u64 temp; wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch); if (!wqe) return -ENOMEM; temp = buf->pa; set_64bit_val(wqe, 32, temp); temp = FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_WQEVALID, cqp->polarity) | FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_BUF_LEN, buf->size) | FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_QUERY_RDMA_FEATURES); dma_wmb(); /* make sure WQE is written before valid bit is set */ set_64bit_val(wqe, 24, temp); print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET, 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false); irdma_sc_cqp_post_sq(cqp); return 0; } /** * irdma_get_rdma_features - get RDMA features * @dev: sc device struct */ int irdma_get_rdma_features(struct irdma_sc_dev *dev) { int ret_code; struct irdma_dma_mem feat_buf; u64 temp; u16 byte_idx, feat_type, feat_cnt, feat_idx; feat_buf.size = ALIGN(IRDMA_FEATURE_BUF_SIZE, IRDMA_FEATURE_BUF_ALIGNMENT); feat_buf.va = dma_alloc_coherent(dev->hw->device, feat_buf.size, &feat_buf.pa, GFP_KERNEL); if (!feat_buf.va) return -ENOMEM; ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0); if (!ret_code) ret_code = irdma_sc_query_rdma_features_done(dev->cqp); if (ret_code) goto exit; get_64bit_val(feat_buf.va, 0, &temp); feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp); if (feat_cnt < 2) { ret_code = -EINVAL; goto exit; } else if (feat_cnt > IRDMA_MAX_FEATURES) { ibdev_dbg(to_ibdev(dev), "DEV: feature buf size insufficient, retrying with larger buffer\n"); dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va, feat_buf.pa); feat_buf.va = NULL; feat_buf.size = ALIGN(8 * feat_cnt, IRDMA_FEATURE_BUF_ALIGNMENT); feat_buf.va = dma_alloc_coherent(dev->hw->device, feat_buf.size, &feat_buf.pa, GFP_KERNEL); if (!feat_buf.va) return -ENOMEM; ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0); if (!ret_code) ret_code = irdma_sc_query_rdma_features_done(dev->cqp); if (ret_code) goto exit; get_64bit_val(feat_buf.va, 0, &temp); feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp); if (feat_cnt < 2) { ret_code = -EINVAL; goto exit; } } print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET, 16, 8, feat_buf.va, feat_cnt * 8, false); for (byte_idx = 0, feat_idx = 0; feat_idx < min(feat_cnt, (u16)IRDMA_MAX_FEATURES); feat_idx++, byte_idx += 8) { get_64bit_val(feat_buf.va, byte_idx, &temp); feat_type = FIELD_GET(IRDMA_FEATURE_TYPE, temp); if (feat_type >= IRDMA_MAX_FEATURES) { ibdev_dbg(to_ibdev(dev), "DEV: found unrecognized feature type %d\n", feat_type); continue; } dev->feature_info[feat_type] = temp; } exit: dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va, feat_buf.pa); feat_buf.va = NULL; return ret_code; } static u32 irdma_q1_cnt(struct irdma_sc_dev *dev, struct irdma_hmc_info *hmc_info, u32 qpwanted) { u32 q1_cnt; if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) { q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted); } else { if (dev->cqp->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY) q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted + 512); else q1_cnt = dev->hw_attrs.max_hw_ird * 2 * qpwanted; } return q1_cnt; } static void cfg_fpm_value_gen_1(struct irdma_sc_dev *dev, struct irdma_hmc_info *hmc_info, u32 qpwanted) { hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = roundup_pow_of_two(qpwanted * dev->hw_attrs.max_hw_wqes); } static void cfg_fpm_value_gen_2(struct irdma_sc_dev *dev, struct irdma_hmc_info *hmc_info, u32 qpwanted) { struct irdma_hmc_fpm_misc *hmc_fpm_misc = &dev->hmc_fpm_misc; hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = 4 * hmc_fpm_misc->xf_block_size * qpwanted; hmc_info->hmc_obj[IRDMA_HMC_IW_HDR].cnt = qpwanted; if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].max_cnt) hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt = 32 * qpwanted; if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].max_cnt) hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].cnt = hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt / hmc_fpm_misc->rrf_block_size; if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].max_cnt) hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt = 32 * qpwanted; if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].max_cnt) hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].cnt = hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt / hmc_fpm_misc->ooiscf_block_size; } /** * irdma_cfg_fpm_val - configure HMC objects * @dev: sc device struct * @qp_count: desired qp count */ int irdma_cfg_fpm_val(struct irdma_sc_dev *dev, u32 qp_count) { struct irdma_virt_mem virt_mem; u32 i, mem_size; u32 qpwanted, mrwanted, pblewanted; u32 powerof2, hte; u32 sd_needed; u32 sd_diff; u32 loop_count = 0; struct irdma_hmc_info *hmc_info; struct irdma_hmc_fpm_misc *hmc_fpm_misc; int ret_code = 0; hmc_info = dev->hmc_info; hmc_fpm_misc = &dev->hmc_fpm_misc; ret_code = irdma_sc_init_iw_hmc(dev, dev->hmc_fn_id); if (ret_code) { ibdev_dbg(to_ibdev(dev), "HMC: irdma_sc_init_iw_hmc returned error_code = %d\n", ret_code); return ret_code; } for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt; sd_needed = irdma_est_sd(dev, hmc_info); ibdev_dbg(to_ibdev(dev), "HMC: FW max resources sd_needed[%08d] first_sd_index[%04d]\n", sd_needed, hmc_info->first_sd_index); ibdev_dbg(to_ibdev(dev), "HMC: sd count %d where max sd is %d\n", hmc_info->sd_table.sd_cnt, hmc_fpm_misc->max_sds); qpwanted = min(qp_count, hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt); powerof2 = 1; while (powerof2 <= qpwanted) powerof2 *= 2; powerof2 /= 2; qpwanted = powerof2; mrwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt; pblewanted = hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt; ibdev_dbg(to_ibdev(dev), "HMC: req_qp=%d max_sd=%d, max_qp = %d, max_cq=%d, max_mr=%d, max_pble=%d, mc=%d, av=%d\n", qp_count, hmc_fpm_misc->max_sds, hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt); hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt = hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt; hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt = hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt; hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].cnt = hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].max_cnt; hmc_info->hmc_obj[IRDMA_HMC_IW_APBVT_ENTRY].cnt = 1; while (irdma_q1_cnt(dev, hmc_info, qpwanted) > hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].max_cnt) qpwanted /= 2; do { ++loop_count; hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt = qpwanted; hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt = min(2 * qpwanted, hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt); hmc_info->hmc_obj[IRDMA_HMC_IW_RESERVED].cnt = 0; /* Reserved */ hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt = mrwanted; hte = round_up(qpwanted + hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, 512); powerof2 = 1; while (powerof2 < hte) powerof2 *= 2; hmc_info->hmc_obj[IRDMA_HMC_IW_HTE].cnt = powerof2 * hmc_fpm_misc->ht_multiplier; if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) cfg_fpm_value_gen_1(dev, hmc_info, qpwanted); else cfg_fpm_value_gen_2(dev, hmc_info, qpwanted); hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt = irdma_q1_cnt(dev, hmc_info, qpwanted); hmc_info->hmc_obj[IRDMA_HMC_IW_XFFL].cnt = hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt / hmc_fpm_misc->xf_block_size; hmc_info->hmc_obj[IRDMA_HMC_IW_Q1FL].cnt = hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size; hmc_info->hmc_obj[IRDMA_HMC_IW_TIMER].cnt = (round_up(qpwanted, 512) / 512 + 1) * hmc_fpm_misc->timer_bucket; hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted; sd_needed = irdma_est_sd(dev, hmc_info); ibdev_dbg(to_ibdev(dev), "HMC: sd_needed = %d, hmc_fpm_misc->max_sds=%d, mrwanted=%d, pblewanted=%d qpwanted=%d\n", sd_needed, hmc_fpm_misc->max_sds, mrwanted, pblewanted, qpwanted); /* Do not reduce resources further. All objects fit with max SDs */ if (sd_needed <= hmc_fpm_misc->max_sds) break; sd_diff = sd_needed - hmc_fpm_misc->max_sds; if (sd_diff > 128) { if (!(loop_count % 2) && qpwanted > 128) { qpwanted /= 2; } else { mrwanted /= 2; pblewanted /= 2; } continue; } if (dev->cqp->hmc_profile != IRDMA_HMC_PROFILE_FAVOR_VF && pblewanted > (512 * FPM_MULTIPLIER * sd_diff)) { pblewanted -= 256 * FPM_MULTIPLIER * sd_diff; continue; } else if (pblewanted > (100 * FPM_MULTIPLIER)) { pblewanted -= 10 * FPM_MULTIPLIER; } else if (pblewanted > FPM_MULTIPLIER) { pblewanted -= FPM_MULTIPLIER; } else if (qpwanted <= 128) { if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt > 256) hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt /= 2; if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256) hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2; } if (mrwanted > FPM_MULTIPLIER) mrwanted -= FPM_MULTIPLIER; if (!(loop_count % 10) && qpwanted > 128) { qpwanted /= 2; if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256) hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2; } } while (loop_count < 2000); if (sd_needed > hmc_fpm_misc->max_sds) { ibdev_dbg(to_ibdev(dev), "HMC: cfg_fpm failed loop_cnt=%d, sd_needed=%d, max sd count %d\n", loop_count, sd_needed, hmc_info->sd_table.sd_cnt); return -EINVAL; } if (loop_count > 1 && sd_needed < hmc_fpm_misc->max_sds) { pblewanted += (hmc_fpm_misc->max_sds - sd_needed) * 256 * FPM_MULTIPLIER; hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted; sd_needed = irdma_est_sd(dev, hmc_info); } ibdev_dbg(to_ibdev(dev), "HMC: loop_cnt=%d, sd_needed=%d, qpcnt = %d, cqcnt=%d, mrcnt=%d, pblecnt=%d, mc=%d, ah=%d, max sd count %d, first sd index %d\n", loop_count, sd_needed, hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt, hmc_info->sd_table.sd_cnt, hmc_info->first_sd_index); ret_code = irdma_sc_cfg_iw_fpm(dev, dev->hmc_fn_id); if (ret_code) { ibdev_dbg(to_ibdev(dev), "HMC: cfg_iw_fpm returned error_code[x%08X]\n", readl(dev->hw_regs[IRDMA_CQPERRCODES])); return ret_code; } mem_size = sizeof(struct irdma_hmc_sd_entry) * (hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index + 1); virt_mem.size = mem_size; virt_mem.va = kzalloc(virt_mem.size, GFP_KERNEL); if (!virt_mem.va) { ibdev_dbg(to_ibdev(dev), "HMC: failed to allocate memory for sd_entry buffer\n"); return -ENOMEM; } hmc_info->sd_table.sd_entry = virt_mem.va; return ret_code; } /** * irdma_exec_cqp_cmd - execute cqp cmd when wqe are available * @dev: rdma device * @pcmdinfo: cqp command info */ static int irdma_exec_cqp_cmd(struct irdma_sc_dev *dev, struct cqp_cmds_info *pcmdinfo) { int status; struct irdma_dma_mem val_mem; bool alloc = false; dev->cqp_cmd_stats[pcmdinfo->cqp_cmd]++; switch (pcmdinfo->cqp_cmd) { case IRDMA_OP_CEQ_DESTROY: status = irdma_sc_ceq_destroy(pcmdinfo->in.u.ceq_destroy.ceq, pcmdinfo->in.u.ceq_destroy.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_AEQ_DESTROY: status = irdma_sc_aeq_destroy(pcmdinfo->in.u.aeq_destroy.aeq, pcmdinfo->in.u.aeq_destroy.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_CEQ_CREATE: status = irdma_sc_ceq_create(pcmdinfo->in.u.ceq_create.ceq, pcmdinfo->in.u.ceq_create.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_AEQ_CREATE: status = irdma_sc_aeq_create(pcmdinfo->in.u.aeq_create.aeq, pcmdinfo->in.u.aeq_create.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_QP_UPLOAD_CONTEXT: status = irdma_sc_qp_upload_context(pcmdinfo->in.u.qp_upload_context.dev, &pcmdinfo->in.u.qp_upload_context.info, pcmdinfo->in.u.qp_upload_context.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_CQ_CREATE: status = irdma_sc_cq_create(pcmdinfo->in.u.cq_create.cq, pcmdinfo->in.u.cq_create.scratch, pcmdinfo->in.u.cq_create.check_overflow, pcmdinfo->post_sq); break; case IRDMA_OP_CQ_MODIFY: status = irdma_sc_cq_modify(pcmdinfo->in.u.cq_modify.cq, &pcmdinfo->in.u.cq_modify.info, pcmdinfo->in.u.cq_modify.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_CQ_DESTROY: status = irdma_sc_cq_destroy(pcmdinfo->in.u.cq_destroy.cq, pcmdinfo->in.u.cq_destroy.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_QP_FLUSH_WQES: status = irdma_sc_qp_flush_wqes(pcmdinfo->in.u.qp_flush_wqes.qp, &pcmdinfo->in.u.qp_flush_wqes.info, pcmdinfo->in.u.qp_flush_wqes.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_GEN_AE: status = irdma_sc_gen_ae(pcmdinfo->in.u.gen_ae.qp, &pcmdinfo->in.u.gen_ae.info, pcmdinfo->in.u.gen_ae.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_MANAGE_PUSH_PAGE: status = irdma_sc_manage_push_page(pcmdinfo->in.u.manage_push_page.cqp, &pcmdinfo->in.u.manage_push_page.info, pcmdinfo->in.u.manage_push_page.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_UPDATE_PE_SDS: status = irdma_update_pe_sds(pcmdinfo->in.u.update_pe_sds.dev, &pcmdinfo->in.u.update_pe_sds.info, pcmdinfo->in.u.update_pe_sds.scratch); break; case IRDMA_OP_MANAGE_HMC_PM_FUNC_TABLE: /* switch to calling through the call table */ status = irdma_sc_manage_hmc_pm_func_table(pcmdinfo->in.u.manage_hmc_pm.dev->cqp, &pcmdinfo->in.u.manage_hmc_pm.info, pcmdinfo->in.u.manage_hmc_pm.scratch, true); break; case IRDMA_OP_SUSPEND: status = irdma_sc_suspend_qp(pcmdinfo->in.u.suspend_resume.cqp, pcmdinfo->in.u.suspend_resume.qp, pcmdinfo->in.u.suspend_resume.scratch); break; case IRDMA_OP_RESUME: status = irdma_sc_resume_qp(pcmdinfo->in.u.suspend_resume.cqp, pcmdinfo->in.u.suspend_resume.qp, pcmdinfo->in.u.suspend_resume.scratch); break; case IRDMA_OP_QUERY_FPM_VAL: val_mem.pa = pcmdinfo->in.u.query_fpm_val.fpm_val_pa; val_mem.va = pcmdinfo->in.u.query_fpm_val.fpm_val_va; status = irdma_sc_query_fpm_val(pcmdinfo->in.u.query_fpm_val.cqp, pcmdinfo->in.u.query_fpm_val.scratch, pcmdinfo->in.u.query_fpm_val.hmc_fn_id, &val_mem, true, IRDMA_CQP_WAIT_EVENT); break; case IRDMA_OP_COMMIT_FPM_VAL: val_mem.pa = pcmdinfo->in.u.commit_fpm_val.fpm_val_pa; val_mem.va = pcmdinfo->in.u.commit_fpm_val.fpm_val_va; status = irdma_sc_commit_fpm_val(pcmdinfo->in.u.commit_fpm_val.cqp, pcmdinfo->in.u.commit_fpm_val.scratch, pcmdinfo->in.u.commit_fpm_val.hmc_fn_id, &val_mem, true, IRDMA_CQP_WAIT_EVENT); break; case IRDMA_OP_STATS_ALLOCATE: alloc = true; fallthrough; case IRDMA_OP_STATS_FREE: status = irdma_sc_manage_stats_inst(pcmdinfo->in.u.stats_manage.cqp, &pcmdinfo->in.u.stats_manage.info, alloc, pcmdinfo->in.u.stats_manage.scratch); break; case IRDMA_OP_STATS_GATHER: status = irdma_sc_gather_stats(pcmdinfo->in.u.stats_gather.cqp, &pcmdinfo->in.u.stats_gather.info, pcmdinfo->in.u.stats_gather.scratch); break; case IRDMA_OP_WS_MODIFY_NODE: status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, &pcmdinfo->in.u.ws_node.info, IRDMA_MODIFY_NODE, pcmdinfo->in.u.ws_node.scratch); break; case IRDMA_OP_WS_DELETE_NODE: status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, &pcmdinfo->in.u.ws_node.info, IRDMA_DEL_NODE, pcmdinfo->in.u.ws_node.scratch); break; case IRDMA_OP_WS_ADD_NODE: status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp, &pcmdinfo->in.u.ws_node.info, IRDMA_ADD_NODE, pcmdinfo->in.u.ws_node.scratch); break; case IRDMA_OP_SET_UP_MAP: status = irdma_sc_set_up_map(pcmdinfo->in.u.up_map.cqp, &pcmdinfo->in.u.up_map.info, pcmdinfo->in.u.up_map.scratch); break; case IRDMA_OP_QUERY_RDMA_FEATURES: status = irdma_sc_query_rdma_features(pcmdinfo->in.u.query_rdma.cqp, &pcmdinfo->in.u.query_rdma.query_buff_mem, pcmdinfo->in.u.query_rdma.scratch); break; case IRDMA_OP_DELETE_ARP_CACHE_ENTRY: status = irdma_sc_del_arp_cache_entry(pcmdinfo->in.u.del_arp_cache_entry.cqp, pcmdinfo->in.u.del_arp_cache_entry.scratch, pcmdinfo->in.u.del_arp_cache_entry.arp_index, pcmdinfo->post_sq); break; case IRDMA_OP_MANAGE_APBVT_ENTRY: status = irdma_sc_manage_apbvt_entry(pcmdinfo->in.u.manage_apbvt_entry.cqp, &pcmdinfo->in.u.manage_apbvt_entry.info, pcmdinfo->in.u.manage_apbvt_entry.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_MANAGE_QHASH_TABLE_ENTRY: status = irdma_sc_manage_qhash_table_entry(pcmdinfo->in.u.manage_qhash_table_entry.cqp, &pcmdinfo->in.u.manage_qhash_table_entry.info, pcmdinfo->in.u.manage_qhash_table_entry.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_QP_MODIFY: status = irdma_sc_qp_modify(pcmdinfo->in.u.qp_modify.qp, &pcmdinfo->in.u.qp_modify.info, pcmdinfo->in.u.qp_modify.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_QP_CREATE: status = irdma_sc_qp_create(pcmdinfo->in.u.qp_create.qp, &pcmdinfo->in.u.qp_create.info, pcmdinfo->in.u.qp_create.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_QP_DESTROY: status = irdma_sc_qp_destroy(pcmdinfo->in.u.qp_destroy.qp, pcmdinfo->in.u.qp_destroy.scratch, pcmdinfo->in.u.qp_destroy.remove_hash_idx, pcmdinfo->in.u.qp_destroy.ignore_mw_bnd, pcmdinfo->post_sq); break; case IRDMA_OP_ALLOC_STAG: status = irdma_sc_alloc_stag(pcmdinfo->in.u.alloc_stag.dev, &pcmdinfo->in.u.alloc_stag.info, pcmdinfo->in.u.alloc_stag.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_MR_REG_NON_SHARED: status = irdma_sc_mr_reg_non_shared(pcmdinfo->in.u.mr_reg_non_shared.dev, &pcmdinfo->in.u.mr_reg_non_shared.info, pcmdinfo->in.u.mr_reg_non_shared.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_DEALLOC_STAG: status = irdma_sc_dealloc_stag(pcmdinfo->in.u.dealloc_stag.dev, &pcmdinfo->in.u.dealloc_stag.info, pcmdinfo->in.u.dealloc_stag.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_MW_ALLOC: status = irdma_sc_mw_alloc(pcmdinfo->in.u.mw_alloc.dev, &pcmdinfo->in.u.mw_alloc.info, pcmdinfo->in.u.mw_alloc.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_ADD_ARP_CACHE_ENTRY: status = irdma_sc_add_arp_cache_entry(pcmdinfo->in.u.add_arp_cache_entry.cqp, &pcmdinfo->in.u.add_arp_cache_entry.info, pcmdinfo->in.u.add_arp_cache_entry.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_ALLOC_LOCAL_MAC_ENTRY: status = irdma_sc_alloc_local_mac_entry(pcmdinfo->in.u.alloc_local_mac_entry.cqp, pcmdinfo->in.u.alloc_local_mac_entry.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_ADD_LOCAL_MAC_ENTRY: status = irdma_sc_add_local_mac_entry(pcmdinfo->in.u.add_local_mac_entry.cqp, &pcmdinfo->in.u.add_local_mac_entry.info, pcmdinfo->in.u.add_local_mac_entry.scratch, pcmdinfo->post_sq); break; case IRDMA_OP_DELETE_LOCAL_MAC_ENTRY: status = irdma_sc_del_local_mac_entry(pcmdinfo->in.u.del_local_mac_entry.cqp, pcmdinfo->in.u.del_local_mac_entry.scratch, pcmdinfo->in.u.del_local_mac_entry.entry_idx, pcmdinfo->in.u.del_local_mac_entry.ignore_ref_count, pcmdinfo->post_sq); break; case IRDMA_OP_AH_CREATE: status = irdma_sc_create_ah(pcmdinfo->in.u.ah_create.cqp, &pcmdinfo->in.u.ah_create.info, pcmdinfo->in.u.ah_create.scratch); break; case IRDMA_OP_AH_DESTROY: status = irdma_sc_destroy_ah(pcmdinfo->in.u.ah_destroy.cqp, &pcmdinfo->in.u.ah_destroy.info, pcmdinfo->in.u.ah_destroy.scratch); break; case IRDMA_OP_MC_CREATE: status = irdma_sc_create_mcast_grp(pcmdinfo->in.u.mc_create.cqp, &pcmdinfo->in.u.mc_create.info, pcmdinfo->in.u.mc_create.scratch); break; case IRDMA_OP_MC_DESTROY: status = irdma_sc_destroy_mcast_grp(pcmdinfo->in.u.mc_destroy.cqp, &pcmdinfo->in.u.mc_destroy.info, pcmdinfo->in.u.mc_destroy.scratch); break; case IRDMA_OP_MC_MODIFY: status = irdma_sc_modify_mcast_grp(pcmdinfo->in.u.mc_modify.cqp, &pcmdinfo->in.u.mc_modify.info, pcmdinfo->in.u.mc_modify.scratch); break; default: status = -EOPNOTSUPP; break; } return status; } /** * irdma_process_cqp_cmd - process all cqp commands * @dev: sc device struct * @pcmdinfo: cqp command info */ int irdma_process_cqp_cmd(struct irdma_sc_dev *dev, struct cqp_cmds_info *pcmdinfo) { int status = 0; unsigned long flags; spin_lock_irqsave(&dev->cqp_lock, flags); if (list_empty(&dev->cqp_cmd_head) && !irdma_cqp_ring_full(dev->cqp)) status = irdma_exec_cqp_cmd(dev, pcmdinfo); else list_add_tail(&pcmdinfo->cqp_cmd_entry, &dev->cqp_cmd_head); spin_unlock_irqrestore(&dev->cqp_lock, flags); return status; } /** * irdma_process_bh - called from tasklet for cqp list * @dev: sc device struct */ int irdma_process_bh(struct irdma_sc_dev *dev) { int status = 0; struct cqp_cmds_info *pcmdinfo; unsigned long flags; spin_lock_irqsave(&dev->cqp_lock, flags); while (!list_empty(&dev->cqp_cmd_head) && !irdma_cqp_ring_full(dev->cqp)) { pcmdinfo = (struct cqp_cmds_info *)irdma_remove_cqp_head(dev); status = irdma_exec_cqp_cmd(dev, pcmdinfo); if (status) break; } spin_unlock_irqrestore(&dev->cqp_lock, flags); return status; } /** * irdma_cfg_aeq- Configure AEQ interrupt * @dev: pointer to the device structure * @idx: vector index * @enable: True to enable, False disables */ void irdma_cfg_aeq(struct irdma_sc_dev *dev, u32 idx, bool enable) { u32 reg_val; reg_val = FIELD_PREP(IRDMA_PFINT_AEQCTL_CAUSE_ENA, enable) | FIELD_PREP(IRDMA_PFINT_AEQCTL_MSIX_INDX, idx) | FIELD_PREP(IRDMA_PFINT_AEQCTL_ITR_INDX, 3); writel(reg_val, dev->hw_regs[IRDMA_PFINT_AEQCTL]); } /** * sc_vsi_update_stats - Update statistics * @vsi: sc_vsi instance to update */ void sc_vsi_update_stats(struct irdma_sc_vsi *vsi) { struct irdma_gather_stats *gather_stats; struct irdma_gather_stats *last_gather_stats; gather_stats = vsi->pestat->gather_info.gather_stats_va; last_gather_stats = vsi->pestat->gather_info.last_gather_stats_va; irdma_update_stats(&vsi->pestat->hw_stats, gather_stats, last_gather_stats, vsi->dev->hw_stats_map, vsi->dev->hw_attrs.max_stat_idx); } /** * irdma_wait_pe_ready - Check if firmware is ready * @dev: provides access to registers */ static int irdma_wait_pe_ready(struct irdma_sc_dev *dev) { u32 statuscpu0; u32 statuscpu1; u32 statuscpu2; u32 retrycount = 0; do { statuscpu0 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS0]); statuscpu1 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS1]); statuscpu2 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS2]); if (statuscpu0 == 0x80 && statuscpu1 == 0x80 && statuscpu2 == 0x80) return 0; mdelay(1000); } while (retrycount++ < dev->hw_attrs.max_pe_ready_count); return -1; } static inline void irdma_sc_init_hw(struct irdma_sc_dev *dev) { switch (dev->hw_attrs.uk_attrs.hw_rev) { case IRDMA_GEN_1: i40iw_init_hw(dev); break; case IRDMA_GEN_2: icrdma_init_hw(dev); break; } } /** * irdma_sc_dev_init - Initialize control part of device * @ver: version * @dev: Device pointer * @info: Device init info */ int irdma_sc_dev_init(enum irdma_vers ver, struct irdma_sc_dev *dev, struct irdma_device_init_info *info) { u32 val; int ret_code = 0; u8 db_size; INIT_LIST_HEAD(&dev->cqp_cmd_head); /* for CQP command backlog */ mutex_init(&dev->ws_mutex); dev->hmc_fn_id = info->hmc_fn_id; dev->fpm_query_buf_pa = info->fpm_query_buf_pa; dev->fpm_query_buf = info->fpm_query_buf; dev->fpm_commit_buf_pa = info->fpm_commit_buf_pa; dev->fpm_commit_buf = info->fpm_commit_buf; dev->hw = info->hw; dev->hw->hw_addr = info->bar0; /* Setup the hardware limits, hmc may limit further */ dev->hw_attrs.min_hw_qp_id = IRDMA_MIN_IW_QP_ID; dev->hw_attrs.min_hw_aeq_size = IRDMA_MIN_AEQ_ENTRIES; dev->hw_attrs.max_hw_aeq_size = IRDMA_MAX_AEQ_ENTRIES; dev->hw_attrs.min_hw_ceq_size = IRDMA_MIN_CEQ_ENTRIES; dev->hw_attrs.max_hw_ceq_size = IRDMA_MAX_CEQ_ENTRIES; dev->hw_attrs.uk_attrs.min_hw_cq_size = IRDMA_MIN_CQ_SIZE; dev->hw_attrs.uk_attrs.max_hw_cq_size = IRDMA_MAX_CQ_SIZE; dev->hw_attrs.uk_attrs.max_hw_wq_frags = IRDMA_MAX_WQ_FRAGMENT_COUNT; dev->hw_attrs.uk_attrs.max_hw_read_sges = IRDMA_MAX_SGE_RD; dev->hw_attrs.max_hw_outbound_msg_size = IRDMA_MAX_OUTBOUND_MSG_SIZE; dev->hw_attrs.max_mr_size = IRDMA_MAX_MR_SIZE; dev->hw_attrs.max_hw_inbound_msg_size = IRDMA_MAX_INBOUND_MSG_SIZE; dev->hw_attrs.max_hw_device_pages = IRDMA_MAX_PUSH_PAGE_COUNT; dev->hw_attrs.uk_attrs.max_hw_inline = IRDMA_MAX_INLINE_DATA_SIZE; dev->hw_attrs.max_hw_wqes = IRDMA_MAX_WQ_ENTRIES; dev->hw_attrs.max_qp_wr = IRDMA_MAX_QP_WRS(IRDMA_MAX_QUANTA_PER_WR); dev->hw_attrs.uk_attrs.max_hw_rq_quanta = IRDMA_QP_SW_MAX_RQ_QUANTA; dev->hw_attrs.uk_attrs.max_hw_wq_quanta = IRDMA_QP_SW_MAX_WQ_QUANTA; dev->hw_attrs.max_hw_pds = IRDMA_MAX_PDS; dev->hw_attrs.max_hw_ena_vf_count = IRDMA_MAX_PE_ENA_VF_COUNT; dev->hw_attrs.max_pe_ready_count = 14; dev->hw_attrs.max_done_count = IRDMA_DONE_COUNT; dev->hw_attrs.max_sleep_count = IRDMA_SLEEP_COUNT; dev->hw_attrs.max_cqp_compl_wait_time_ms = CQP_COMPL_WAIT_TIME_MS; dev->hw_attrs.uk_attrs.hw_rev = ver; irdma_sc_init_hw(dev); if (irdma_wait_pe_ready(dev)) return -ETIMEDOUT; val = readl(dev->hw_regs[IRDMA_GLPCI_LBARCTRL]); db_size = (u8)FIELD_GET(IRDMA_GLPCI_LBARCTRL_PE_DB_SIZE, val); if (db_size != IRDMA_PE_DB_SIZE_4M && db_size != IRDMA_PE_DB_SIZE_8M) { ibdev_dbg(to_ibdev(dev), "DEV: RDMA PE doorbell is not enabled in CSR val 0x%x db_size=%d\n", val, db_size); return -ENODEV; } dev->db_addr = dev->hw->hw_addr + (uintptr_t)dev->hw_regs[IRDMA_DB_ADDR_OFFSET]; return ret_code; } /** * irdma_stat_val - Extract HW counter value from statistics buffer * @stats_val: pointer to statistics buffer * @byteoff: byte offset of counter value in the buffer (8B-aligned) * @bitoff: bit offset of counter value within 8B entry * @bitmask: maximum counter value (e.g. 0xffffff for 24-bit counter) */ static inline u64 irdma_stat_val(const u64 *stats_val, u16 byteoff, u8 bitoff, u64 bitmask) { u16 idx = byteoff / sizeof(*stats_val); return (stats_val[idx] >> bitoff) & bitmask; } /** * irdma_stat_delta - Calculate counter delta * @new_val: updated counter value * @old_val: last counter value * @max_val: maximum counter value (e.g. 0xffffff for 24-bit counter) */ static inline u64 irdma_stat_delta(u64 new_val, u64 old_val, u64 max_val) { if (new_val >= old_val) return new_val - old_val; /* roll-over case */ return max_val - old_val + new_val + 1; } /** * irdma_update_stats - Update statistics * @hw_stats: hw_stats instance to update * @gather_stats: updated stat counters * @last_gather_stats: last stat counters * @map: HW stat map (hw_stats => gather_stats) * @max_stat_idx: number of HW stats */ void irdma_update_stats(struct irdma_dev_hw_stats *hw_stats, struct irdma_gather_stats *gather_stats, struct irdma_gather_stats *last_gather_stats, const struct irdma_hw_stat_map *map, u16 max_stat_idx) { u64 *stats_val = hw_stats->stats_val; u16 i; for (i = 0; i < max_stat_idx; i++) { u64 new_val = irdma_stat_val(gather_stats->val, map[i].byteoff, map[i].bitoff, map[i].bitmask); u64 last_val = irdma_stat_val(last_gather_stats->val, map[i].byteoff, map[i].bitoff, map[i].bitmask); stats_val[i] += irdma_stat_delta(new_val, last_val, map[i].bitmask); } memcpy(last_gather_stats, gather_stats, sizeof(*last_gather_stats)); }
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