+++ /dev/null
-/*
- * Copyright (c) 2016 Hisilicon Limited.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <linux/platform_device.h>
-#include <linux/acpi.h>
-#include <linux/etherdevice.h>
-#include <linux/interrupt.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <rdma/ib_umem.h>
-#include "hns_roce_common.h"
-#include "hns_roce_device.h"
-#include "hns_roce_cmd.h"
-#include "hns_roce_hem.h"
-#include "hns_roce_hw_v1.h"
-
-/**
- * hns_get_gid_index - Get gid index.
- * @hr_dev: pointer to structure hns_roce_dev.
- * @port: port, value range: 0 ~ MAX
- * @gid_index: gid_index, value range: 0 ~ MAX
- * Description:
- * N ports shared gids, allocation method as follow:
- * GID[0][0], GID[1][0],.....GID[N - 1][0],
- * GID[0][0], GID[1][0],.....GID[N - 1][0],
- * And so on
- */
-u8 hns_get_gid_index(struct hns_roce_dev *hr_dev, u32 port, int gid_index)
-{
- return gid_index * hr_dev->caps.num_ports + port;
-}
-
-static void set_data_seg(struct hns_roce_wqe_data_seg *dseg, struct ib_sge *sg)
-{
- dseg->lkey = cpu_to_le32(sg->lkey);
- dseg->addr = cpu_to_le64(sg->addr);
- dseg->len = cpu_to_le32(sg->length);
-}
-
-static void set_raddr_seg(struct hns_roce_wqe_raddr_seg *rseg, u64 remote_addr,
- u32 rkey)
-{
- rseg->raddr = cpu_to_le64(remote_addr);
- rseg->rkey = cpu_to_le32(rkey);
- rseg->len = 0;
-}
-
-static int hns_roce_v1_post_send(struct ib_qp *ibqp,
- const struct ib_send_wr *wr,
- const struct ib_send_wr **bad_wr)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
- struct hns_roce_ah *ah = to_hr_ah(ud_wr(wr)->ah);
- struct hns_roce_ud_send_wqe *ud_sq_wqe = NULL;
- struct hns_roce_wqe_ctrl_seg *ctrl = NULL;
- struct hns_roce_wqe_data_seg *dseg = NULL;
- struct hns_roce_qp *qp = to_hr_qp(ibqp);
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_sq_db sq_db = {};
- int ps_opcode, i;
- unsigned long flags = 0;
- void *wqe = NULL;
- __le32 doorbell[2];
- const u8 *smac;
- int ret = 0;
- int loopback;
- u32 wqe_idx;
- int nreq;
-
- if (unlikely(ibqp->qp_type != IB_QPT_GSI &&
- ibqp->qp_type != IB_QPT_RC)) {
- dev_err(dev, "un-supported QP type\n");
- *bad_wr = NULL;
- return -EOPNOTSUPP;
- }
-
- spin_lock_irqsave(&qp->sq.lock, flags);
-
- for (nreq = 0; wr; ++nreq, wr = wr->next) {
- if (hns_roce_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) {
- ret = -ENOMEM;
- *bad_wr = wr;
- goto out;
- }
-
- wqe_idx = (qp->sq.head + nreq) & (qp->sq.wqe_cnt - 1);
-
- if (unlikely(wr->num_sge > qp->sq.max_gs)) {
- dev_err(dev, "num_sge=%d > qp->sq.max_gs=%d\n",
- wr->num_sge, qp->sq.max_gs);
- ret = -EINVAL;
- *bad_wr = wr;
- goto out;
- }
-
- wqe = hns_roce_get_send_wqe(qp, wqe_idx);
- qp->sq.wrid[wqe_idx] = wr->wr_id;
-
- /* Corresponding to the RC and RD type wqe process separately */
- if (ibqp->qp_type == IB_QPT_GSI) {
- ud_sq_wqe = wqe;
- roce_set_field(ud_sq_wqe->dmac_h,
- UD_SEND_WQE_U32_4_DMAC_0_M,
- UD_SEND_WQE_U32_4_DMAC_0_S,
- ah->av.mac[0]);
- roce_set_field(ud_sq_wqe->dmac_h,
- UD_SEND_WQE_U32_4_DMAC_1_M,
- UD_SEND_WQE_U32_4_DMAC_1_S,
- ah->av.mac[1]);
- roce_set_field(ud_sq_wqe->dmac_h,
- UD_SEND_WQE_U32_4_DMAC_2_M,
- UD_SEND_WQE_U32_4_DMAC_2_S,
- ah->av.mac[2]);
- roce_set_field(ud_sq_wqe->dmac_h,
- UD_SEND_WQE_U32_4_DMAC_3_M,
- UD_SEND_WQE_U32_4_DMAC_3_S,
- ah->av.mac[3]);
-
- roce_set_field(ud_sq_wqe->u32_8,
- UD_SEND_WQE_U32_8_DMAC_4_M,
- UD_SEND_WQE_U32_8_DMAC_4_S,
- ah->av.mac[4]);
- roce_set_field(ud_sq_wqe->u32_8,
- UD_SEND_WQE_U32_8_DMAC_5_M,
- UD_SEND_WQE_U32_8_DMAC_5_S,
- ah->av.mac[5]);
-
- smac = (const u8 *)hr_dev->dev_addr[qp->port];
- loopback = ether_addr_equal_unaligned(ah->av.mac,
- smac) ? 1 : 0;
- roce_set_bit(ud_sq_wqe->u32_8,
- UD_SEND_WQE_U32_8_LOOPBACK_INDICATOR_S,
- loopback);
-
- roce_set_field(ud_sq_wqe->u32_8,
- UD_SEND_WQE_U32_8_OPERATION_TYPE_M,
- UD_SEND_WQE_U32_8_OPERATION_TYPE_S,
- HNS_ROCE_WQE_OPCODE_SEND);
- roce_set_field(ud_sq_wqe->u32_8,
- UD_SEND_WQE_U32_8_NUMBER_OF_DATA_SEG_M,
- UD_SEND_WQE_U32_8_NUMBER_OF_DATA_SEG_S,
- 2);
- roce_set_bit(ud_sq_wqe->u32_8,
- UD_SEND_WQE_U32_8_SEND_GL_ROUTING_HDR_FLAG_S,
- 1);
-
- ud_sq_wqe->u32_8 |= (wr->send_flags & IB_SEND_SIGNALED ?
- cpu_to_le32(HNS_ROCE_WQE_CQ_NOTIFY) : 0) |
- (wr->send_flags & IB_SEND_SOLICITED ?
- cpu_to_le32(HNS_ROCE_WQE_SE) : 0) |
- ((wr->opcode == IB_WR_SEND_WITH_IMM) ?
- cpu_to_le32(HNS_ROCE_WQE_IMM) : 0);
-
- roce_set_field(ud_sq_wqe->u32_16,
- UD_SEND_WQE_U32_16_DEST_QP_M,
- UD_SEND_WQE_U32_16_DEST_QP_S,
- ud_wr(wr)->remote_qpn);
- roce_set_field(ud_sq_wqe->u32_16,
- UD_SEND_WQE_U32_16_MAX_STATIC_RATE_M,
- UD_SEND_WQE_U32_16_MAX_STATIC_RATE_S,
- ah->av.stat_rate);
-
- roce_set_field(ud_sq_wqe->u32_36,
- UD_SEND_WQE_U32_36_FLOW_LABEL_M,
- UD_SEND_WQE_U32_36_FLOW_LABEL_S,
- ah->av.flowlabel);
- roce_set_field(ud_sq_wqe->u32_36,
- UD_SEND_WQE_U32_36_PRIORITY_M,
- UD_SEND_WQE_U32_36_PRIORITY_S,
- ah->av.sl);
- roce_set_field(ud_sq_wqe->u32_36,
- UD_SEND_WQE_U32_36_SGID_INDEX_M,
- UD_SEND_WQE_U32_36_SGID_INDEX_S,
- hns_get_gid_index(hr_dev, qp->phy_port,
- ah->av.gid_index));
-
- roce_set_field(ud_sq_wqe->u32_40,
- UD_SEND_WQE_U32_40_HOP_LIMIT_M,
- UD_SEND_WQE_U32_40_HOP_LIMIT_S,
- ah->av.hop_limit);
- roce_set_field(ud_sq_wqe->u32_40,
- UD_SEND_WQE_U32_40_TRAFFIC_CLASS_M,
- UD_SEND_WQE_U32_40_TRAFFIC_CLASS_S,
- ah->av.tclass);
-
- memcpy(&ud_sq_wqe->dgid[0], &ah->av.dgid[0], GID_LEN);
-
- ud_sq_wqe->va0_l =
- cpu_to_le32((u32)wr->sg_list[0].addr);
- ud_sq_wqe->va0_h =
- cpu_to_le32((wr->sg_list[0].addr) >> 32);
- ud_sq_wqe->l_key0 =
- cpu_to_le32(wr->sg_list[0].lkey);
-
- ud_sq_wqe->va1_l =
- cpu_to_le32((u32)wr->sg_list[1].addr);
- ud_sq_wqe->va1_h =
- cpu_to_le32((wr->sg_list[1].addr) >> 32);
- ud_sq_wqe->l_key1 =
- cpu_to_le32(wr->sg_list[1].lkey);
- } else if (ibqp->qp_type == IB_QPT_RC) {
- u32 tmp_len = 0;
-
- ctrl = wqe;
- memset(ctrl, 0, sizeof(struct hns_roce_wqe_ctrl_seg));
- for (i = 0; i < wr->num_sge; i++)
- tmp_len += wr->sg_list[i].length;
-
- ctrl->msg_length =
- cpu_to_le32(le32_to_cpu(ctrl->msg_length) + tmp_len);
-
- ctrl->sgl_pa_h = 0;
- ctrl->flag = 0;
-
- switch (wr->opcode) {
- case IB_WR_SEND_WITH_IMM:
- case IB_WR_RDMA_WRITE_WITH_IMM:
- ctrl->imm_data = wr->ex.imm_data;
- break;
- case IB_WR_SEND_WITH_INV:
- ctrl->inv_key =
- cpu_to_le32(wr->ex.invalidate_rkey);
- break;
- default:
- ctrl->imm_data = 0;
- break;
- }
-
- /* Ctrl field, ctrl set type: sig, solic, imm, fence */
- /* SO wait for conforming application scenarios */
- ctrl->flag |= (wr->send_flags & IB_SEND_SIGNALED ?
- cpu_to_le32(HNS_ROCE_WQE_CQ_NOTIFY) : 0) |
- (wr->send_flags & IB_SEND_SOLICITED ?
- cpu_to_le32(HNS_ROCE_WQE_SE) : 0) |
- ((wr->opcode == IB_WR_SEND_WITH_IMM ||
- wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM) ?
- cpu_to_le32(HNS_ROCE_WQE_IMM) : 0) |
- (wr->send_flags & IB_SEND_FENCE ?
- (cpu_to_le32(HNS_ROCE_WQE_FENCE)) : 0);
-
- wqe += sizeof(struct hns_roce_wqe_ctrl_seg);
-
- switch (wr->opcode) {
- case IB_WR_RDMA_READ:
- ps_opcode = HNS_ROCE_WQE_OPCODE_RDMA_READ;
- set_raddr_seg(wqe, rdma_wr(wr)->remote_addr,
- rdma_wr(wr)->rkey);
- break;
- case IB_WR_RDMA_WRITE:
- case IB_WR_RDMA_WRITE_WITH_IMM:
- ps_opcode = HNS_ROCE_WQE_OPCODE_RDMA_WRITE;
- set_raddr_seg(wqe, rdma_wr(wr)->remote_addr,
- rdma_wr(wr)->rkey);
- break;
- case IB_WR_SEND:
- case IB_WR_SEND_WITH_INV:
- case IB_WR_SEND_WITH_IMM:
- ps_opcode = HNS_ROCE_WQE_OPCODE_SEND;
- break;
- case IB_WR_LOCAL_INV:
- case IB_WR_ATOMIC_CMP_AND_SWP:
- case IB_WR_ATOMIC_FETCH_AND_ADD:
- case IB_WR_LSO:
- default:
- ps_opcode = HNS_ROCE_WQE_OPCODE_MASK;
- break;
- }
- ctrl->flag |= cpu_to_le32(ps_opcode);
- wqe += sizeof(struct hns_roce_wqe_raddr_seg);
-
- dseg = wqe;
- if (wr->send_flags & IB_SEND_INLINE && wr->num_sge) {
- if (le32_to_cpu(ctrl->msg_length) >
- hr_dev->caps.max_sq_inline) {
- ret = -EINVAL;
- *bad_wr = wr;
- dev_err(dev, "inline len(1-%d)=%d, illegal",
- le32_to_cpu(ctrl->msg_length),
- hr_dev->caps.max_sq_inline);
- goto out;
- }
- for (i = 0; i < wr->num_sge; i++) {
- memcpy(wqe, ((void *) (uintptr_t)
- wr->sg_list[i].addr),
- wr->sg_list[i].length);
- wqe += wr->sg_list[i].length;
- }
- ctrl->flag |= cpu_to_le32(HNS_ROCE_WQE_INLINE);
- } else {
- /* sqe num is two */
- for (i = 0; i < wr->num_sge; i++)
- set_data_seg(dseg + i, wr->sg_list + i);
-
- ctrl->flag |= cpu_to_le32(wr->num_sge <<
- HNS_ROCE_WQE_SGE_NUM_BIT);
- }
- }
- }
-
-out:
- /* Set DB return */
- if (likely(nreq)) {
- qp->sq.head += nreq;
-
- roce_set_field(sq_db.u32_4, SQ_DOORBELL_U32_4_SQ_HEAD_M,
- SQ_DOORBELL_U32_4_SQ_HEAD_S,
- (qp->sq.head & ((qp->sq.wqe_cnt << 1) - 1)));
- roce_set_field(sq_db.u32_4, SQ_DOORBELL_U32_4_SL_M,
- SQ_DOORBELL_U32_4_SL_S, qp->sl);
- roce_set_field(sq_db.u32_4, SQ_DOORBELL_U32_4_PORT_M,
- SQ_DOORBELL_U32_4_PORT_S, qp->phy_port);
- roce_set_field(sq_db.u32_8, SQ_DOORBELL_U32_8_QPN_M,
- SQ_DOORBELL_U32_8_QPN_S, qp->doorbell_qpn);
- roce_set_bit(sq_db.u32_8, SQ_DOORBELL_HW_SYNC_S, 1);
-
- doorbell[0] = sq_db.u32_4;
- doorbell[1] = sq_db.u32_8;
-
- hns_roce_write64_k(doorbell, qp->sq.db_reg);
- }
-
- spin_unlock_irqrestore(&qp->sq.lock, flags);
-
- return ret;
-}
-
-static int hns_roce_v1_post_recv(struct ib_qp *ibqp,
- const struct ib_recv_wr *wr,
- const struct ib_recv_wr **bad_wr)
-{
- struct hns_roce_rq_wqe_ctrl *ctrl = NULL;
- struct hns_roce_wqe_data_seg *scat = NULL;
- struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
- struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_rq_db rq_db = {};
- __le32 doorbell[2] = {0};
- unsigned long flags = 0;
- unsigned int wqe_idx;
- int ret = 0;
- int nreq;
- int i;
- u32 reg_val;
-
- spin_lock_irqsave(&hr_qp->rq.lock, flags);
-
- for (nreq = 0; wr; ++nreq, wr = wr->next) {
- if (hns_roce_wq_overflow(&hr_qp->rq, nreq,
- hr_qp->ibqp.recv_cq)) {
- ret = -ENOMEM;
- *bad_wr = wr;
- goto out;
- }
-
- wqe_idx = (hr_qp->rq.head + nreq) & (hr_qp->rq.wqe_cnt - 1);
-
- if (unlikely(wr->num_sge > hr_qp->rq.max_gs)) {
- dev_err(dev, "rq:num_sge=%d > qp->sq.max_gs=%d\n",
- wr->num_sge, hr_qp->rq.max_gs);
- ret = -EINVAL;
- *bad_wr = wr;
- goto out;
- }
-
- ctrl = hns_roce_get_recv_wqe(hr_qp, wqe_idx);
-
- roce_set_field(ctrl->rwqe_byte_12,
- RQ_WQE_CTRL_RWQE_BYTE_12_RWQE_SGE_NUM_M,
- RQ_WQE_CTRL_RWQE_BYTE_12_RWQE_SGE_NUM_S,
- wr->num_sge);
-
- scat = (struct hns_roce_wqe_data_seg *)(ctrl + 1);
-
- for (i = 0; i < wr->num_sge; i++)
- set_data_seg(scat + i, wr->sg_list + i);
-
- hr_qp->rq.wrid[wqe_idx] = wr->wr_id;
- }
-
-out:
- if (likely(nreq)) {
- hr_qp->rq.head += nreq;
-
- if (ibqp->qp_type == IB_QPT_GSI) {
- __le32 tmp;
-
- /* SW update GSI rq header */
- reg_val = roce_read(to_hr_dev(ibqp->device),
- ROCEE_QP1C_CFG3_0_REG +
- QP1C_CFGN_OFFSET * hr_qp->phy_port);
- tmp = cpu_to_le32(reg_val);
- roce_set_field(tmp,
- ROCEE_QP1C_CFG3_0_ROCEE_QP1C_RQ_HEAD_M,
- ROCEE_QP1C_CFG3_0_ROCEE_QP1C_RQ_HEAD_S,
- hr_qp->rq.head);
- reg_val = le32_to_cpu(tmp);
- roce_write(to_hr_dev(ibqp->device),
- ROCEE_QP1C_CFG3_0_REG +
- QP1C_CFGN_OFFSET * hr_qp->phy_port, reg_val);
- } else {
- roce_set_field(rq_db.u32_4, RQ_DOORBELL_U32_4_RQ_HEAD_M,
- RQ_DOORBELL_U32_4_RQ_HEAD_S,
- hr_qp->rq.head);
- roce_set_field(rq_db.u32_8, RQ_DOORBELL_U32_8_QPN_M,
- RQ_DOORBELL_U32_8_QPN_S, hr_qp->qpn);
- roce_set_field(rq_db.u32_8, RQ_DOORBELL_U32_8_CMD_M,
- RQ_DOORBELL_U32_8_CMD_S, 1);
- roce_set_bit(rq_db.u32_8, RQ_DOORBELL_U32_8_HW_SYNC_S,
- 1);
-
- doorbell[0] = rq_db.u32_4;
- doorbell[1] = rq_db.u32_8;
-
- hns_roce_write64_k(doorbell, hr_qp->rq.db_reg);
- }
- }
- spin_unlock_irqrestore(&hr_qp->rq.lock, flags);
-
- return ret;
-}
-
-static void hns_roce_set_db_event_mode(struct hns_roce_dev *hr_dev,
- int sdb_mode, int odb_mode)
-{
- __le32 tmp;
- u32 val;
-
- val = roce_read(hr_dev, ROCEE_GLB_CFG_REG);
- tmp = cpu_to_le32(val);
- roce_set_bit(tmp, ROCEE_GLB_CFG_ROCEE_DB_SQ_MODE_S, sdb_mode);
- roce_set_bit(tmp, ROCEE_GLB_CFG_ROCEE_DB_OTH_MODE_S, odb_mode);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_GLB_CFG_REG, val);
-}
-
-static int hns_roce_v1_set_hem(struct hns_roce_dev *hr_dev,
- struct hns_roce_hem_table *table, int obj,
- int step_idx)
-{
- spinlock_t *lock = &hr_dev->bt_cmd_lock;
- struct device *dev = hr_dev->dev;
- struct hns_roce_hem_iter iter;
- void __iomem *bt_cmd;
- __le32 bt_cmd_val[2];
- __le32 bt_cmd_h = 0;
- unsigned long flags;
- __le32 bt_cmd_l;
- int ret = 0;
- u64 bt_ba;
- long end;
-
- /* Find the HEM(Hardware Entry Memory) entry */
- unsigned long i = obj / (table->table_chunk_size / table->obj_size);
-
- switch (table->type) {
- case HEM_TYPE_QPC:
- case HEM_TYPE_MTPT:
- case HEM_TYPE_CQC:
- case HEM_TYPE_SRQC:
- roce_set_field(bt_cmd_h, ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_M,
- ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_S, table->type);
- break;
- default:
- return ret;
- }
-
- roce_set_field(bt_cmd_h, ROCEE_BT_CMD_H_ROCEE_BT_CMD_IN_MDF_M,
- ROCEE_BT_CMD_H_ROCEE_BT_CMD_IN_MDF_S, obj);
- roce_set_bit(bt_cmd_h, ROCEE_BT_CMD_H_ROCEE_BT_CMD_S, 0);
- roce_set_bit(bt_cmd_h, ROCEE_BT_CMD_H_ROCEE_BT_CMD_HW_SYNS_S, 1);
-
- /* Currently iter only a chunk */
- for (hns_roce_hem_first(table->hem[i], &iter);
- !hns_roce_hem_last(&iter); hns_roce_hem_next(&iter)) {
- bt_ba = hns_roce_hem_addr(&iter) >> HNS_HW_PAGE_SHIFT;
-
- spin_lock_irqsave(lock, flags);
-
- bt_cmd = hr_dev->reg_base + ROCEE_BT_CMD_H_REG;
-
- end = HW_SYNC_TIMEOUT_MSECS;
- while (end > 0) {
- if (!(readl(bt_cmd) >> BT_CMD_SYNC_SHIFT))
- break;
-
- mdelay(HW_SYNC_SLEEP_TIME_INTERVAL);
- end -= HW_SYNC_SLEEP_TIME_INTERVAL;
- }
-
- if (end <= 0) {
- dev_err(dev, "Write bt_cmd err,hw_sync is not zero.\n");
- spin_unlock_irqrestore(lock, flags);
- return -EBUSY;
- }
-
- bt_cmd_l = cpu_to_le32(bt_ba);
- roce_set_field(bt_cmd_h, ROCEE_BT_CMD_H_ROCEE_BT_CMD_BA_H_M,
- ROCEE_BT_CMD_H_ROCEE_BT_CMD_BA_H_S,
- upper_32_bits(bt_ba));
-
- bt_cmd_val[0] = bt_cmd_l;
- bt_cmd_val[1] = bt_cmd_h;
- hns_roce_write64_k(bt_cmd_val,
- hr_dev->reg_base + ROCEE_BT_CMD_L_REG);
- spin_unlock_irqrestore(lock, flags);
- }
-
- return ret;
-}
-
-static void hns_roce_set_db_ext_mode(struct hns_roce_dev *hr_dev, u32 sdb_mode,
- u32 odb_mode)
-{
- __le32 tmp;
- u32 val;
-
- /* Configure SDB/ODB extend mode */
- val = roce_read(hr_dev, ROCEE_GLB_CFG_REG);
- tmp = cpu_to_le32(val);
- roce_set_bit(tmp, ROCEE_GLB_CFG_SQ_EXT_DB_MODE_S, sdb_mode);
- roce_set_bit(tmp, ROCEE_GLB_CFG_OTH_EXT_DB_MODE_S, odb_mode);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_GLB_CFG_REG, val);
-}
-
-static void hns_roce_set_sdb(struct hns_roce_dev *hr_dev, u32 sdb_alept,
- u32 sdb_alful)
-{
- __le32 tmp;
- u32 val;
-
- /* Configure SDB */
- val = roce_read(hr_dev, ROCEE_DB_SQ_WL_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_DB_SQ_WL_ROCEE_DB_SQ_WL_M,
- ROCEE_DB_SQ_WL_ROCEE_DB_SQ_WL_S, sdb_alful);
- roce_set_field(tmp, ROCEE_DB_SQ_WL_ROCEE_DB_SQ_WL_EMPTY_M,
- ROCEE_DB_SQ_WL_ROCEE_DB_SQ_WL_EMPTY_S, sdb_alept);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_DB_SQ_WL_REG, val);
-}
-
-static void hns_roce_set_odb(struct hns_roce_dev *hr_dev, u32 odb_alept,
- u32 odb_alful)
-{
- __le32 tmp;
- u32 val;
-
- /* Configure ODB */
- val = roce_read(hr_dev, ROCEE_DB_OTHERS_WL_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_DB_OTHERS_WL_ROCEE_DB_OTH_WL_M,
- ROCEE_DB_OTHERS_WL_ROCEE_DB_OTH_WL_S, odb_alful);
- roce_set_field(tmp, ROCEE_DB_OTHERS_WL_ROCEE_DB_OTH_WL_EMPTY_M,
- ROCEE_DB_OTHERS_WL_ROCEE_DB_OTH_WL_EMPTY_S, odb_alept);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_DB_OTHERS_WL_REG, val);
-}
-
-static void hns_roce_set_sdb_ext(struct hns_roce_dev *hr_dev, u32 ext_sdb_alept,
- u32 ext_sdb_alful)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_db_table *db = &priv->db_table;
- struct device *dev = &hr_dev->pdev->dev;
- dma_addr_t sdb_dma_addr;
- __le32 tmp;
- u32 val;
-
- /* Configure extend SDB threshold */
- roce_write(hr_dev, ROCEE_EXT_DB_SQ_WL_EMPTY_REG, ext_sdb_alept);
- roce_write(hr_dev, ROCEE_EXT_DB_SQ_WL_REG, ext_sdb_alful);
-
- /* Configure extend SDB base addr */
- sdb_dma_addr = db->ext_db->sdb_buf_list->map;
- roce_write(hr_dev, ROCEE_EXT_DB_SQ_REG, (u32)(sdb_dma_addr >> 12));
-
- /* Configure extend SDB depth */
- val = roce_read(hr_dev, ROCEE_EXT_DB_SQ_H_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_EXT_DB_SQ_H_EXT_DB_SQ_SHIFT_M,
- ROCEE_EXT_DB_SQ_H_EXT_DB_SQ_SHIFT_S,
- db->ext_db->esdb_dep);
- /*
- * 44 = 32 + 12, When evaluating addr to hardware, shift 12 because of
- * using 4K page, and shift more 32 because of
- * calculating the high 32 bit value evaluated to hardware.
- */
- roce_set_field(tmp, ROCEE_EXT_DB_SQ_H_EXT_DB_SQ_BA_H_M,
- ROCEE_EXT_DB_SQ_H_EXT_DB_SQ_BA_H_S, sdb_dma_addr >> 44);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_EXT_DB_SQ_H_REG, val);
-
- dev_dbg(dev, "ext SDB depth: 0x%x\n", db->ext_db->esdb_dep);
- dev_dbg(dev, "ext SDB threshold: empty: 0x%x, ful: 0x%x\n",
- ext_sdb_alept, ext_sdb_alful);
-}
-
-static void hns_roce_set_odb_ext(struct hns_roce_dev *hr_dev, u32 ext_odb_alept,
- u32 ext_odb_alful)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_db_table *db = &priv->db_table;
- struct device *dev = &hr_dev->pdev->dev;
- dma_addr_t odb_dma_addr;
- __le32 tmp;
- u32 val;
-
- /* Configure extend ODB threshold */
- roce_write(hr_dev, ROCEE_EXT_DB_OTHERS_WL_EMPTY_REG, ext_odb_alept);
- roce_write(hr_dev, ROCEE_EXT_DB_OTHERS_WL_REG, ext_odb_alful);
-
- /* Configure extend ODB base addr */
- odb_dma_addr = db->ext_db->odb_buf_list->map;
- roce_write(hr_dev, ROCEE_EXT_DB_OTH_REG, (u32)(odb_dma_addr >> 12));
-
- /* Configure extend ODB depth */
- val = roce_read(hr_dev, ROCEE_EXT_DB_OTH_H_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_EXT_DB_OTH_H_EXT_DB_OTH_SHIFT_M,
- ROCEE_EXT_DB_OTH_H_EXT_DB_OTH_SHIFT_S,
- db->ext_db->eodb_dep);
- roce_set_field(tmp, ROCEE_EXT_DB_SQ_H_EXT_DB_OTH_BA_H_M,
- ROCEE_EXT_DB_SQ_H_EXT_DB_OTH_BA_H_S,
- db->ext_db->eodb_dep);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_EXT_DB_OTH_H_REG, val);
-
- dev_dbg(dev, "ext ODB depth: 0x%x\n", db->ext_db->eodb_dep);
- dev_dbg(dev, "ext ODB threshold: empty: 0x%x, ful: 0x%x\n",
- ext_odb_alept, ext_odb_alful);
-}
-
-static int hns_roce_db_ext_init(struct hns_roce_dev *hr_dev, u32 sdb_ext_mod,
- u32 odb_ext_mod)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_db_table *db = &priv->db_table;
- struct device *dev = &hr_dev->pdev->dev;
- dma_addr_t sdb_dma_addr;
- dma_addr_t odb_dma_addr;
- int ret = 0;
-
- db->ext_db = kmalloc(sizeof(*db->ext_db), GFP_KERNEL);
- if (!db->ext_db)
- return -ENOMEM;
-
- if (sdb_ext_mod) {
- db->ext_db->sdb_buf_list = kmalloc(
- sizeof(*db->ext_db->sdb_buf_list), GFP_KERNEL);
- if (!db->ext_db->sdb_buf_list) {
- ret = -ENOMEM;
- goto ext_sdb_buf_fail_out;
- }
-
- db->ext_db->sdb_buf_list->buf = dma_alloc_coherent(dev,
- HNS_ROCE_V1_EXT_SDB_SIZE,
- &sdb_dma_addr, GFP_KERNEL);
- if (!db->ext_db->sdb_buf_list->buf) {
- ret = -ENOMEM;
- goto alloc_sq_db_buf_fail;
- }
- db->ext_db->sdb_buf_list->map = sdb_dma_addr;
-
- db->ext_db->esdb_dep = ilog2(HNS_ROCE_V1_EXT_SDB_DEPTH);
- hns_roce_set_sdb_ext(hr_dev, HNS_ROCE_V1_EXT_SDB_ALEPT,
- HNS_ROCE_V1_EXT_SDB_ALFUL);
- } else
- hns_roce_set_sdb(hr_dev, HNS_ROCE_V1_SDB_ALEPT,
- HNS_ROCE_V1_SDB_ALFUL);
-
- if (odb_ext_mod) {
- db->ext_db->odb_buf_list = kmalloc(
- sizeof(*db->ext_db->odb_buf_list), GFP_KERNEL);
- if (!db->ext_db->odb_buf_list) {
- ret = -ENOMEM;
- goto ext_odb_buf_fail_out;
- }
-
- db->ext_db->odb_buf_list->buf = dma_alloc_coherent(dev,
- HNS_ROCE_V1_EXT_ODB_SIZE,
- &odb_dma_addr, GFP_KERNEL);
- if (!db->ext_db->odb_buf_list->buf) {
- ret = -ENOMEM;
- goto alloc_otr_db_buf_fail;
- }
- db->ext_db->odb_buf_list->map = odb_dma_addr;
-
- db->ext_db->eodb_dep = ilog2(HNS_ROCE_V1_EXT_ODB_DEPTH);
- hns_roce_set_odb_ext(hr_dev, HNS_ROCE_V1_EXT_ODB_ALEPT,
- HNS_ROCE_V1_EXT_ODB_ALFUL);
- } else
- hns_roce_set_odb(hr_dev, HNS_ROCE_V1_ODB_ALEPT,
- HNS_ROCE_V1_ODB_ALFUL);
-
- hns_roce_set_db_ext_mode(hr_dev, sdb_ext_mod, odb_ext_mod);
-
- return 0;
-
-alloc_otr_db_buf_fail:
- kfree(db->ext_db->odb_buf_list);
-
-ext_odb_buf_fail_out:
- if (sdb_ext_mod) {
- dma_free_coherent(dev, HNS_ROCE_V1_EXT_SDB_SIZE,
- db->ext_db->sdb_buf_list->buf,
- db->ext_db->sdb_buf_list->map);
- }
-
-alloc_sq_db_buf_fail:
- if (sdb_ext_mod)
- kfree(db->ext_db->sdb_buf_list);
-
-ext_sdb_buf_fail_out:
- kfree(db->ext_db);
- return ret;
-}
-
-static struct hns_roce_qp *hns_roce_v1_create_lp_qp(struct hns_roce_dev *hr_dev,
- struct ib_pd *pd)
-{
- struct device *dev = &hr_dev->pdev->dev;
- struct ib_qp_init_attr init_attr;
- struct ib_qp *qp;
-
- memset(&init_attr, 0, sizeof(struct ib_qp_init_attr));
- init_attr.qp_type = IB_QPT_RC;
- init_attr.sq_sig_type = IB_SIGNAL_ALL_WR;
- init_attr.cap.max_recv_wr = HNS_ROCE_MIN_WQE_NUM;
- init_attr.cap.max_send_wr = HNS_ROCE_MIN_WQE_NUM;
-
- qp = ib_create_qp(pd, &init_attr);
- if (IS_ERR(qp)) {
- dev_err(dev, "Create loop qp for mr free failed!");
- return NULL;
- }
-
- return to_hr_qp(qp);
-}
-
-static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_free_mr *free_mr = &priv->free_mr;
- struct hns_roce_caps *caps = &hr_dev->caps;
- struct ib_device *ibdev = &hr_dev->ib_dev;
- struct device *dev = &hr_dev->pdev->dev;
- struct ib_cq_init_attr cq_init_attr;
- struct ib_qp_attr attr = { 0 };
- struct hns_roce_qp *hr_qp;
- struct ib_cq *cq;
- struct ib_pd *pd;
- union ib_gid dgid;
- __be64 subnet_prefix;
- int attr_mask = 0;
- int ret;
- int i, j;
- u8 queue_en[HNS_ROCE_V1_RESV_QP] = { 0 };
- u8 phy_port;
- u32 port = 0;
- u8 sl;
-
- /* Reserved cq for loop qp */
- cq_init_attr.cqe = HNS_ROCE_MIN_WQE_NUM * 2;
- cq_init_attr.comp_vector = 0;
-
- cq = rdma_zalloc_drv_obj(ibdev, ib_cq);
- if (!cq)
- return -ENOMEM;
-
- ret = hns_roce_create_cq(cq, &cq_init_attr, NULL);
- if (ret) {
- dev_err(dev, "Create cq for reserved loop qp failed!");
- goto alloc_cq_failed;
- }
- free_mr->mr_free_cq = to_hr_cq(cq);
- free_mr->mr_free_cq->ib_cq.device = &hr_dev->ib_dev;
- free_mr->mr_free_cq->ib_cq.uobject = NULL;
- free_mr->mr_free_cq->ib_cq.comp_handler = NULL;
- free_mr->mr_free_cq->ib_cq.event_handler = NULL;
- free_mr->mr_free_cq->ib_cq.cq_context = NULL;
- atomic_set(&free_mr->mr_free_cq->ib_cq.usecnt, 0);
-
- pd = rdma_zalloc_drv_obj(ibdev, ib_pd);
- if (!pd) {
- ret = -ENOMEM;
- goto alloc_mem_failed;
- }
-
- pd->device = ibdev;
- ret = hns_roce_alloc_pd(pd, NULL);
- if (ret)
- goto alloc_pd_failed;
-
- free_mr->mr_free_pd = to_hr_pd(pd);
- free_mr->mr_free_pd->ibpd.device = &hr_dev->ib_dev;
- free_mr->mr_free_pd->ibpd.uobject = NULL;
- free_mr->mr_free_pd->ibpd.__internal_mr = NULL;
- atomic_set(&free_mr->mr_free_pd->ibpd.usecnt, 0);
-
- attr.qp_access_flags = IB_ACCESS_REMOTE_WRITE;
- attr.pkey_index = 0;
- attr.min_rnr_timer = 0;
- /* Disable read ability */
- attr.max_dest_rd_atomic = 0;
- attr.max_rd_atomic = 0;
- /* Use arbitrary values as rq_psn and sq_psn */
- attr.rq_psn = 0x0808;
- attr.sq_psn = 0x0808;
- attr.retry_cnt = 7;
- attr.rnr_retry = 7;
- attr.timeout = 0x12;
- attr.path_mtu = IB_MTU_256;
- attr.ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE;
- rdma_ah_set_grh(&attr.ah_attr, NULL, 0, 0, 1, 0);
- rdma_ah_set_static_rate(&attr.ah_attr, 3);
-
- subnet_prefix = cpu_to_be64(0xfe80000000000000LL);
- for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) {
- phy_port = (i >= HNS_ROCE_MAX_PORTS) ? (i - 2) :
- (i % HNS_ROCE_MAX_PORTS);
- sl = i / HNS_ROCE_MAX_PORTS;
-
- for (j = 0; j < caps->num_ports; j++) {
- if (hr_dev->iboe.phy_port[j] == phy_port) {
- queue_en[i] = 1;
- port = j;
- break;
- }
- }
-
- if (!queue_en[i])
- continue;
-
- free_mr->mr_free_qp[i] = hns_roce_v1_create_lp_qp(hr_dev, pd);
- if (!free_mr->mr_free_qp[i]) {
- dev_err(dev, "Create loop qp failed!\n");
- ret = -ENOMEM;
- goto create_lp_qp_failed;
- }
- hr_qp = free_mr->mr_free_qp[i];
-
- hr_qp->port = port;
- hr_qp->phy_port = phy_port;
- hr_qp->ibqp.qp_type = IB_QPT_RC;
- hr_qp->ibqp.device = &hr_dev->ib_dev;
- hr_qp->ibqp.uobject = NULL;
- atomic_set(&hr_qp->ibqp.usecnt, 0);
- hr_qp->ibqp.pd = pd;
- hr_qp->ibqp.recv_cq = cq;
- hr_qp->ibqp.send_cq = cq;
-
- rdma_ah_set_port_num(&attr.ah_attr, port + 1);
- rdma_ah_set_sl(&attr.ah_attr, sl);
- attr.port_num = port + 1;
-
- attr.dest_qp_num = hr_qp->qpn;
- memcpy(rdma_ah_retrieve_dmac(&attr.ah_attr),
- hr_dev->dev_addr[port],
- ETH_ALEN);
-
- memcpy(&dgid.raw, &subnet_prefix, sizeof(u64));
- memcpy(&dgid.raw[8], hr_dev->dev_addr[port], 3);
- memcpy(&dgid.raw[13], hr_dev->dev_addr[port] + 3, 3);
- dgid.raw[11] = 0xff;
- dgid.raw[12] = 0xfe;
- dgid.raw[8] ^= 2;
- rdma_ah_set_dgid_raw(&attr.ah_attr, dgid.raw);
-
- ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, attr_mask,
- IB_QPS_RESET, IB_QPS_INIT);
- if (ret) {
- dev_err(dev, "modify qp failed(%d)!\n", ret);
- goto create_lp_qp_failed;
- }
-
- ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, IB_QP_DEST_QPN,
- IB_QPS_INIT, IB_QPS_RTR);
- if (ret) {
- dev_err(dev, "modify qp failed(%d)!\n", ret);
- goto create_lp_qp_failed;
- }
-
- ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, attr_mask,
- IB_QPS_RTR, IB_QPS_RTS);
- if (ret) {
- dev_err(dev, "modify qp failed(%d)!\n", ret);
- goto create_lp_qp_failed;
- }
- }
-
- return 0;
-
-create_lp_qp_failed:
- for (i -= 1; i >= 0; i--) {
- hr_qp = free_mr->mr_free_qp[i];
- if (ib_destroy_qp(&hr_qp->ibqp))
- dev_err(dev, "Destroy qp %d for mr free failed!\n", i);
- }
-
- hns_roce_dealloc_pd(pd, NULL);
-
-alloc_pd_failed:
- kfree(pd);
-
-alloc_mem_failed:
- hns_roce_destroy_cq(cq, NULL);
-alloc_cq_failed:
- kfree(cq);
- return ret;
-}
-
-static void hns_roce_v1_release_lp_qp(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_free_mr *free_mr = &priv->free_mr;
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_qp *hr_qp;
- int ret;
- int i;
-
- for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) {
- hr_qp = free_mr->mr_free_qp[i];
- if (!hr_qp)
- continue;
-
- ret = ib_destroy_qp(&hr_qp->ibqp);
- if (ret)
- dev_err(dev, "Destroy qp %d for mr free failed(%d)!\n",
- i, ret);
- }
-
- hns_roce_destroy_cq(&free_mr->mr_free_cq->ib_cq, NULL);
- kfree(&free_mr->mr_free_cq->ib_cq);
- hns_roce_dealloc_pd(&free_mr->mr_free_pd->ibpd, NULL);
- kfree(&free_mr->mr_free_pd->ibpd);
-}
-
-static int hns_roce_db_init(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_db_table *db = &priv->db_table;
- struct device *dev = &hr_dev->pdev->dev;
- u32 sdb_ext_mod;
- u32 odb_ext_mod;
- u32 sdb_evt_mod;
- u32 odb_evt_mod;
- int ret;
-
- memset(db, 0, sizeof(*db));
-
- /* Default DB mode */
- sdb_ext_mod = HNS_ROCE_SDB_EXTEND_MODE;
- odb_ext_mod = HNS_ROCE_ODB_EXTEND_MODE;
- sdb_evt_mod = HNS_ROCE_SDB_NORMAL_MODE;
- odb_evt_mod = HNS_ROCE_ODB_POLL_MODE;
-
- db->sdb_ext_mod = sdb_ext_mod;
- db->odb_ext_mod = odb_ext_mod;
-
- /* Init extend DB */
- ret = hns_roce_db_ext_init(hr_dev, sdb_ext_mod, odb_ext_mod);
- if (ret) {
- dev_err(dev, "Failed in extend DB configuration.\n");
- return ret;
- }
-
- hns_roce_set_db_event_mode(hr_dev, sdb_evt_mod, odb_evt_mod);
-
- return 0;
-}
-
-static void hns_roce_v1_recreate_lp_qp_work_fn(struct work_struct *work)
-{
- struct hns_roce_recreate_lp_qp_work *lp_qp_work;
- struct hns_roce_dev *hr_dev;
-
- lp_qp_work = container_of(work, struct hns_roce_recreate_lp_qp_work,
- work);
- hr_dev = to_hr_dev(lp_qp_work->ib_dev);
-
- hns_roce_v1_release_lp_qp(hr_dev);
-
- if (hns_roce_v1_rsv_lp_qp(hr_dev))
- dev_err(&hr_dev->pdev->dev, "create reserver qp failed\n");
-
- if (lp_qp_work->comp_flag)
- complete(lp_qp_work->comp);
-
- kfree(lp_qp_work);
-}
-
-static int hns_roce_v1_recreate_lp_qp(struct hns_roce_dev *hr_dev)
-{
- long end = HNS_ROCE_V1_RECREATE_LP_QP_TIMEOUT_MSECS;
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_free_mr *free_mr = &priv->free_mr;
- struct hns_roce_recreate_lp_qp_work *lp_qp_work;
- struct device *dev = &hr_dev->pdev->dev;
- struct completion comp;
-
- lp_qp_work = kzalloc(sizeof(struct hns_roce_recreate_lp_qp_work),
- GFP_KERNEL);
- if (!lp_qp_work)
- return -ENOMEM;
-
- INIT_WORK(&(lp_qp_work->work), hns_roce_v1_recreate_lp_qp_work_fn);
-
- lp_qp_work->ib_dev = &(hr_dev->ib_dev);
- lp_qp_work->comp = ∁
- lp_qp_work->comp_flag = 1;
-
- init_completion(lp_qp_work->comp);
-
- queue_work(free_mr->free_mr_wq, &(lp_qp_work->work));
-
- while (end > 0) {
- if (try_wait_for_completion(&comp))
- return 0;
- msleep(HNS_ROCE_V1_RECREATE_LP_QP_WAIT_VALUE);
- end -= HNS_ROCE_V1_RECREATE_LP_QP_WAIT_VALUE;
- }
-
- lp_qp_work->comp_flag = 0;
- if (try_wait_for_completion(&comp))
- return 0;
-
- dev_warn(dev, "recreate lp qp failed 20s timeout and return failed!\n");
- return -ETIMEDOUT;
-}
-
-static int hns_roce_v1_send_lp_wqe(struct hns_roce_qp *hr_qp)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(hr_qp->ibqp.device);
- struct device *dev = &hr_dev->pdev->dev;
- struct ib_send_wr send_wr;
- const struct ib_send_wr *bad_wr;
- int ret;
-
- memset(&send_wr, 0, sizeof(send_wr));
- send_wr.next = NULL;
- send_wr.num_sge = 0;
- send_wr.send_flags = 0;
- send_wr.sg_list = NULL;
- send_wr.wr_id = (unsigned long long)&send_wr;
- send_wr.opcode = IB_WR_RDMA_WRITE;
-
- ret = hns_roce_v1_post_send(&hr_qp->ibqp, &send_wr, &bad_wr);
- if (ret) {
- dev_err(dev, "Post write wqe for mr free failed(%d)!", ret);
- return ret;
- }
-
- return 0;
-}
-
-static void hns_roce_v1_mr_free_work_fn(struct work_struct *work)
-{
- unsigned long end =
- msecs_to_jiffies(HNS_ROCE_V1_FREE_MR_TIMEOUT_MSECS) + jiffies;
- struct hns_roce_mr_free_work *mr_work =
- container_of(work, struct hns_roce_mr_free_work, work);
- struct hns_roce_dev *hr_dev = to_hr_dev(mr_work->ib_dev);
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_free_mr *free_mr = &priv->free_mr;
- struct hns_roce_cq *mr_free_cq = free_mr->mr_free_cq;
- struct hns_roce_mr *hr_mr = mr_work->mr;
- struct device *dev = &hr_dev->pdev->dev;
- struct ib_wc wc[HNS_ROCE_V1_RESV_QP];
- struct hns_roce_qp *hr_qp;
- int ne = 0;
- int ret;
- int i;
-
- for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) {
- hr_qp = free_mr->mr_free_qp[i];
- if (!hr_qp)
- continue;
- ne++;
-
- ret = hns_roce_v1_send_lp_wqe(hr_qp);
- if (ret) {
- dev_err(dev,
- "Send wqe (qp:0x%lx) for mr free failed(%d)!\n",
- hr_qp->qpn, ret);
- goto free_work;
- }
- }
-
- if (!ne) {
- dev_err(dev, "Reserved loop qp is absent!\n");
- goto free_work;
- }
-
- do {
- ret = hns_roce_v1_poll_cq(&mr_free_cq->ib_cq, ne, wc);
- if (ret < 0 && hr_qp) {
- dev_err(dev,
- "(qp:0x%lx) starts, Poll cqe failed(%d) for mr 0x%x free! Remain %d cqe\n",
- hr_qp->qpn, ret, hr_mr->key, ne);
- goto free_work;
- }
- ne -= ret;
- usleep_range(HNS_ROCE_V1_FREE_MR_WAIT_VALUE * 1000,
- (1 + HNS_ROCE_V1_FREE_MR_WAIT_VALUE) * 1000);
- } while (ne && time_before_eq(jiffies, end));
-
- if (ne != 0)
- dev_err(dev,
- "Poll cqe for mr 0x%x free timeout! Remain %d cqe\n",
- hr_mr->key, ne);
-
-free_work:
- if (mr_work->comp_flag)
- complete(mr_work->comp);
- kfree(mr_work);
-}
-
-static int hns_roce_v1_dereg_mr(struct hns_roce_dev *hr_dev,
- struct hns_roce_mr *mr, struct ib_udata *udata)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_free_mr *free_mr = &priv->free_mr;
- long end = HNS_ROCE_V1_FREE_MR_TIMEOUT_MSECS;
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_mr_free_work *mr_work;
- unsigned long start = jiffies;
- struct completion comp;
- int ret = 0;
-
- if (mr->enabled) {
- if (hns_roce_hw_destroy_mpt(hr_dev, NULL,
- key_to_hw_index(mr->key) &
- (hr_dev->caps.num_mtpts - 1)))
- dev_warn(dev, "DESTROY_MPT failed!\n");
- }
-
- mr_work = kzalloc(sizeof(*mr_work), GFP_KERNEL);
- if (!mr_work) {
- ret = -ENOMEM;
- goto free_mr;
- }
-
- INIT_WORK(&(mr_work->work), hns_roce_v1_mr_free_work_fn);
-
- mr_work->ib_dev = &(hr_dev->ib_dev);
- mr_work->comp = ∁
- mr_work->comp_flag = 1;
- mr_work->mr = (void *)mr;
- init_completion(mr_work->comp);
-
- queue_work(free_mr->free_mr_wq, &(mr_work->work));
-
- while (end > 0) {
- if (try_wait_for_completion(&comp))
- goto free_mr;
- msleep(HNS_ROCE_V1_FREE_MR_WAIT_VALUE);
- end -= HNS_ROCE_V1_FREE_MR_WAIT_VALUE;
- }
-
- mr_work->comp_flag = 0;
- if (try_wait_for_completion(&comp))
- goto free_mr;
-
- dev_warn(dev, "Free mr work 0x%x over 50s and failed!\n", mr->key);
- ret = -ETIMEDOUT;
-
-free_mr:
- dev_dbg(dev, "Free mr 0x%x use 0x%x us.\n",
- mr->key, jiffies_to_usecs(jiffies) - jiffies_to_usecs(start));
-
- ida_free(&hr_dev->mr_table.mtpt_ida.ida, (int)key_to_hw_index(mr->key));
- hns_roce_mtr_destroy(hr_dev, &mr->pbl_mtr);
- kfree(mr);
-
- return ret;
-}
-
-static void hns_roce_db_free(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_db_table *db = &priv->db_table;
- struct device *dev = &hr_dev->pdev->dev;
-
- if (db->sdb_ext_mod) {
- dma_free_coherent(dev, HNS_ROCE_V1_EXT_SDB_SIZE,
- db->ext_db->sdb_buf_list->buf,
- db->ext_db->sdb_buf_list->map);
- kfree(db->ext_db->sdb_buf_list);
- }
-
- if (db->odb_ext_mod) {
- dma_free_coherent(dev, HNS_ROCE_V1_EXT_ODB_SIZE,
- db->ext_db->odb_buf_list->buf,
- db->ext_db->odb_buf_list->map);
- kfree(db->ext_db->odb_buf_list);
- }
-
- kfree(db->ext_db);
-}
-
-static int hns_roce_raq_init(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_raq_table *raq = &priv->raq_table;
- struct device *dev = &hr_dev->pdev->dev;
- dma_addr_t addr;
- int raq_shift;
- __le32 tmp;
- u32 val;
- int ret;
-
- raq->e_raq_buf = kzalloc(sizeof(*(raq->e_raq_buf)), GFP_KERNEL);
- if (!raq->e_raq_buf)
- return -ENOMEM;
-
- raq->e_raq_buf->buf = dma_alloc_coherent(dev, HNS_ROCE_V1_RAQ_SIZE,
- &addr, GFP_KERNEL);
- if (!raq->e_raq_buf->buf) {
- ret = -ENOMEM;
- goto err_dma_alloc_raq;
- }
- raq->e_raq_buf->map = addr;
-
- /* Configure raq extended address. 48bit 4K align */
- roce_write(hr_dev, ROCEE_EXT_RAQ_REG, raq->e_raq_buf->map >> 12);
-
- /* Configure raq_shift */
- raq_shift = ilog2(HNS_ROCE_V1_RAQ_SIZE / HNS_ROCE_V1_RAQ_ENTRY);
- val = roce_read(hr_dev, ROCEE_EXT_RAQ_H_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_EXT_RAQ_H_EXT_RAQ_SHIFT_M,
- ROCEE_EXT_RAQ_H_EXT_RAQ_SHIFT_S, raq_shift);
- /*
- * 44 = 32 + 12, When evaluating addr to hardware, shift 12 because of
- * using 4K page, and shift more 32 because of
- * calculating the high 32 bit value evaluated to hardware.
- */
- roce_set_field(tmp, ROCEE_EXT_RAQ_H_EXT_RAQ_BA_H_M,
- ROCEE_EXT_RAQ_H_EXT_RAQ_BA_H_S,
- raq->e_raq_buf->map >> 44);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_EXT_RAQ_H_REG, val);
- dev_dbg(dev, "Configure raq_shift 0x%x.\n", val);
-
- /* Configure raq threshold */
- val = roce_read(hr_dev, ROCEE_RAQ_WL_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_RAQ_WL_ROCEE_RAQ_WL_M,
- ROCEE_RAQ_WL_ROCEE_RAQ_WL_S,
- HNS_ROCE_V1_EXT_RAQ_WF);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_RAQ_WL_REG, val);
- dev_dbg(dev, "Configure raq_wl 0x%x.\n", val);
-
- /* Enable extend raq */
- val = roce_read(hr_dev, ROCEE_WRMS_POL_TIME_INTERVAL_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp,
- ROCEE_WRMS_POL_TIME_INTERVAL_WRMS_POL_TIME_INTERVAL_M,
- ROCEE_WRMS_POL_TIME_INTERVAL_WRMS_POL_TIME_INTERVAL_S,
- POL_TIME_INTERVAL_VAL);
- roce_set_bit(tmp, ROCEE_WRMS_POL_TIME_INTERVAL_WRMS_EXT_RAQ_MODE, 1);
- roce_set_field(tmp,
- ROCEE_WRMS_POL_TIME_INTERVAL_WRMS_RAQ_TIMEOUT_CHK_CFG_M,
- ROCEE_WRMS_POL_TIME_INTERVAL_WRMS_RAQ_TIMEOUT_CHK_CFG_S,
- 2);
- roce_set_bit(tmp,
- ROCEE_WRMS_POL_TIME_INTERVAL_WRMS_RAQ_TIMEOUT_CHK_EN_S, 1);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_WRMS_POL_TIME_INTERVAL_REG, val);
- dev_dbg(dev, "Configure WrmsPolTimeInterval 0x%x.\n", val);
-
- /* Enable raq drop */
- val = roce_read(hr_dev, ROCEE_GLB_CFG_REG);
- tmp = cpu_to_le32(val);
- roce_set_bit(tmp, ROCEE_GLB_CFG_TRP_RAQ_DROP_EN_S, 1);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_GLB_CFG_REG, val);
- dev_dbg(dev, "Configure GlbCfg = 0x%x.\n", val);
-
- return 0;
-
-err_dma_alloc_raq:
- kfree(raq->e_raq_buf);
- return ret;
-}
-
-static void hns_roce_raq_free(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_raq_table *raq = &priv->raq_table;
- struct device *dev = &hr_dev->pdev->dev;
-
- dma_free_coherent(dev, HNS_ROCE_V1_RAQ_SIZE, raq->e_raq_buf->buf,
- raq->e_raq_buf->map);
- kfree(raq->e_raq_buf);
-}
-
-static void hns_roce_port_enable(struct hns_roce_dev *hr_dev, int enable_flag)
-{
- __le32 tmp;
- u32 val;
-
- if (enable_flag) {
- val = roce_read(hr_dev, ROCEE_GLB_CFG_REG);
- /* Open all ports */
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_GLB_CFG_ROCEE_PORT_ST_M,
- ROCEE_GLB_CFG_ROCEE_PORT_ST_S,
- ALL_PORT_VAL_OPEN);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_GLB_CFG_REG, val);
- } else {
- val = roce_read(hr_dev, ROCEE_GLB_CFG_REG);
- /* Close all ports */
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_GLB_CFG_ROCEE_PORT_ST_M,
- ROCEE_GLB_CFG_ROCEE_PORT_ST_S, 0x0);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_GLB_CFG_REG, val);
- }
-}
-
-static int hns_roce_bt_init(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct device *dev = &hr_dev->pdev->dev;
- int ret;
-
- priv->bt_table.qpc_buf.buf = dma_alloc_coherent(dev,
- HNS_ROCE_BT_RSV_BUF_SIZE, &priv->bt_table.qpc_buf.map,
- GFP_KERNEL);
- if (!priv->bt_table.qpc_buf.buf)
- return -ENOMEM;
-
- priv->bt_table.mtpt_buf.buf = dma_alloc_coherent(dev,
- HNS_ROCE_BT_RSV_BUF_SIZE, &priv->bt_table.mtpt_buf.map,
- GFP_KERNEL);
- if (!priv->bt_table.mtpt_buf.buf) {
- ret = -ENOMEM;
- goto err_failed_alloc_mtpt_buf;
- }
-
- priv->bt_table.cqc_buf.buf = dma_alloc_coherent(dev,
- HNS_ROCE_BT_RSV_BUF_SIZE, &priv->bt_table.cqc_buf.map,
- GFP_KERNEL);
- if (!priv->bt_table.cqc_buf.buf) {
- ret = -ENOMEM;
- goto err_failed_alloc_cqc_buf;
- }
-
- return 0;
-
-err_failed_alloc_cqc_buf:
- dma_free_coherent(dev, HNS_ROCE_BT_RSV_BUF_SIZE,
- priv->bt_table.mtpt_buf.buf, priv->bt_table.mtpt_buf.map);
-
-err_failed_alloc_mtpt_buf:
- dma_free_coherent(dev, HNS_ROCE_BT_RSV_BUF_SIZE,
- priv->bt_table.qpc_buf.buf, priv->bt_table.qpc_buf.map);
-
- return ret;
-}
-
-static void hns_roce_bt_free(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct device *dev = &hr_dev->pdev->dev;
-
- dma_free_coherent(dev, HNS_ROCE_BT_RSV_BUF_SIZE,
- priv->bt_table.cqc_buf.buf, priv->bt_table.cqc_buf.map);
-
- dma_free_coherent(dev, HNS_ROCE_BT_RSV_BUF_SIZE,
- priv->bt_table.mtpt_buf.buf, priv->bt_table.mtpt_buf.map);
-
- dma_free_coherent(dev, HNS_ROCE_BT_RSV_BUF_SIZE,
- priv->bt_table.qpc_buf.buf, priv->bt_table.qpc_buf.map);
-}
-
-static int hns_roce_tptr_init(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_buf_list *tptr_buf = &priv->tptr_table.tptr_buf;
- struct device *dev = &hr_dev->pdev->dev;
-
- /*
- * This buffer will be used for CQ's tptr(tail pointer), also
- * named ci(customer index). Every CQ will use 2 bytes to save
- * cqe ci in hip06. Hardware will read this area to get new ci
- * when the queue is almost full.
- */
- tptr_buf->buf = dma_alloc_coherent(dev, HNS_ROCE_V1_TPTR_BUF_SIZE,
- &tptr_buf->map, GFP_KERNEL);
- if (!tptr_buf->buf)
- return -ENOMEM;
-
- hr_dev->tptr_dma_addr = tptr_buf->map;
- hr_dev->tptr_size = HNS_ROCE_V1_TPTR_BUF_SIZE;
-
- return 0;
-}
-
-static void hns_roce_tptr_free(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_buf_list *tptr_buf = &priv->tptr_table.tptr_buf;
- struct device *dev = &hr_dev->pdev->dev;
-
- dma_free_coherent(dev, HNS_ROCE_V1_TPTR_BUF_SIZE,
- tptr_buf->buf, tptr_buf->map);
-}
-
-static int hns_roce_free_mr_init(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_free_mr *free_mr = &priv->free_mr;
- struct device *dev = &hr_dev->pdev->dev;
- int ret;
-
- free_mr->free_mr_wq = create_singlethread_workqueue("hns_roce_free_mr");
- if (!free_mr->free_mr_wq) {
- dev_err(dev, "Create free mr workqueue failed!\n");
- return -ENOMEM;
- }
-
- ret = hns_roce_v1_rsv_lp_qp(hr_dev);
- if (ret) {
- dev_err(dev, "Reserved loop qp failed(%d)!\n", ret);
- destroy_workqueue(free_mr->free_mr_wq);
- }
-
- return ret;
-}
-
-static void hns_roce_free_mr_free(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_free_mr *free_mr = &priv->free_mr;
-
- destroy_workqueue(free_mr->free_mr_wq);
-
- hns_roce_v1_release_lp_qp(hr_dev);
-}
-
-/**
- * hns_roce_v1_reset - reset RoCE
- * @hr_dev: RoCE device struct pointer
- * @dereset: true -- drop reset, false -- reset
- * return 0 - success , negative --fail
- */
-static int hns_roce_v1_reset(struct hns_roce_dev *hr_dev, bool dereset)
-{
- struct device_node *dsaf_node;
- struct device *dev = &hr_dev->pdev->dev;
- struct device_node *np = dev->of_node;
- struct fwnode_handle *fwnode;
- int ret;
-
- /* check if this is DT/ACPI case */
- if (dev_of_node(dev)) {
- dsaf_node = of_parse_phandle(np, "dsaf-handle", 0);
- if (!dsaf_node) {
- dev_err(dev, "could not find dsaf-handle\n");
- return -EINVAL;
- }
- fwnode = &dsaf_node->fwnode;
- } else if (is_acpi_device_node(dev->fwnode)) {
- struct fwnode_reference_args args;
-
- ret = acpi_node_get_property_reference(dev->fwnode,
- "dsaf-handle", 0, &args);
- if (ret) {
- dev_err(dev, "could not find dsaf-handle\n");
- return ret;
- }
- fwnode = args.fwnode;
- } else {
- dev_err(dev, "cannot read data from DT or ACPI\n");
- return -ENXIO;
- }
-
- ret = hns_dsaf_roce_reset(fwnode, false);
- if (ret)
- return ret;
-
- if (dereset) {
- msleep(SLEEP_TIME_INTERVAL);
- ret = hns_dsaf_roce_reset(fwnode, true);
- }
-
- return ret;
-}
-
-static int hns_roce_v1_profile(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_caps *caps = &hr_dev->caps;
- int i;
-
- hr_dev->vendor_id = roce_read(hr_dev, ROCEE_VENDOR_ID_REG);
- hr_dev->vendor_part_id = roce_read(hr_dev, ROCEE_VENDOR_PART_ID_REG);
- hr_dev->sys_image_guid = roce_read(hr_dev, ROCEE_SYS_IMAGE_GUID_L_REG) |
- ((u64)roce_read(hr_dev,
- ROCEE_SYS_IMAGE_GUID_H_REG) << 32);
- hr_dev->hw_rev = HNS_ROCE_HW_VER1;
-
- caps->num_qps = HNS_ROCE_V1_MAX_QP_NUM;
- caps->max_wqes = HNS_ROCE_V1_MAX_WQE_NUM;
- caps->min_wqes = HNS_ROCE_MIN_WQE_NUM;
- caps->num_cqs = HNS_ROCE_V1_MAX_CQ_NUM;
- caps->min_cqes = HNS_ROCE_MIN_CQE_NUM;
- caps->max_cqes = HNS_ROCE_V1_MAX_CQE_NUM;
- caps->max_sq_sg = HNS_ROCE_V1_SG_NUM;
- caps->max_rq_sg = HNS_ROCE_V1_SG_NUM;
- caps->max_sq_inline = HNS_ROCE_V1_INLINE_SIZE;
- caps->num_uars = HNS_ROCE_V1_UAR_NUM;
- caps->phy_num_uars = HNS_ROCE_V1_PHY_UAR_NUM;
- caps->num_aeq_vectors = HNS_ROCE_V1_AEQE_VEC_NUM;
- caps->num_comp_vectors = HNS_ROCE_V1_COMP_VEC_NUM;
- caps->num_other_vectors = HNS_ROCE_V1_ABNORMAL_VEC_NUM;
- caps->num_mtpts = HNS_ROCE_V1_MAX_MTPT_NUM;
- caps->num_mtt_segs = HNS_ROCE_V1_MAX_MTT_SEGS;
- caps->num_pds = HNS_ROCE_V1_MAX_PD_NUM;
- caps->max_qp_init_rdma = HNS_ROCE_V1_MAX_QP_INIT_RDMA;
- caps->max_qp_dest_rdma = HNS_ROCE_V1_MAX_QP_DEST_RDMA;
- caps->max_sq_desc_sz = HNS_ROCE_V1_MAX_SQ_DESC_SZ;
- caps->max_rq_desc_sz = HNS_ROCE_V1_MAX_RQ_DESC_SZ;
- caps->qpc_sz = HNS_ROCE_V1_QPC_SIZE;
- caps->irrl_entry_sz = HNS_ROCE_V1_IRRL_ENTRY_SIZE;
- caps->cqc_entry_sz = HNS_ROCE_V1_CQC_ENTRY_SIZE;
- caps->mtpt_entry_sz = HNS_ROCE_V1_MTPT_ENTRY_SIZE;
- caps->mtt_entry_sz = HNS_ROCE_V1_MTT_ENTRY_SIZE;
- caps->cqe_sz = HNS_ROCE_V1_CQE_SIZE;
- caps->page_size_cap = HNS_ROCE_V1_PAGE_SIZE_SUPPORT;
- caps->reserved_lkey = 0;
- caps->reserved_pds = 0;
- caps->reserved_mrws = 1;
- caps->reserved_uars = 0;
- caps->reserved_cqs = 0;
- caps->reserved_qps = 12; /* 2 SQP per port, six ports total 12 */
- caps->chunk_sz = HNS_ROCE_V1_TABLE_CHUNK_SIZE;
-
- for (i = 0; i < caps->num_ports; i++)
- caps->pkey_table_len[i] = 1;
-
- for (i = 0; i < caps->num_ports; i++) {
- /* Six ports shared 16 GID in v1 engine */
- if (i >= (HNS_ROCE_V1_GID_NUM % caps->num_ports))
- caps->gid_table_len[i] = HNS_ROCE_V1_GID_NUM /
- caps->num_ports;
- else
- caps->gid_table_len[i] = HNS_ROCE_V1_GID_NUM /
- caps->num_ports + 1;
- }
-
- caps->ceqe_depth = HNS_ROCE_V1_COMP_EQE_NUM;
- caps->aeqe_depth = HNS_ROCE_V1_ASYNC_EQE_NUM;
- caps->local_ca_ack_delay = roce_read(hr_dev, ROCEE_ACK_DELAY_REG);
- caps->max_mtu = IB_MTU_2048;
-
- return 0;
-}
-
-static int hns_roce_v1_init(struct hns_roce_dev *hr_dev)
-{
- int ret;
- u32 val;
- __le32 tmp;
- struct device *dev = &hr_dev->pdev->dev;
-
- /* DMAE user config */
- val = roce_read(hr_dev, ROCEE_DMAE_USER_CFG1_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_DMAE_USER_CFG1_ROCEE_CACHE_TB_CFG_M,
- ROCEE_DMAE_USER_CFG1_ROCEE_CACHE_TB_CFG_S, 0xf);
- roce_set_field(tmp, ROCEE_DMAE_USER_CFG1_ROCEE_STREAM_ID_TB_CFG_M,
- ROCEE_DMAE_USER_CFG1_ROCEE_STREAM_ID_TB_CFG_S,
- 1 << PAGES_SHIFT_16);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_DMAE_USER_CFG1_REG, val);
-
- val = roce_read(hr_dev, ROCEE_DMAE_USER_CFG2_REG);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_DMAE_USER_CFG2_ROCEE_CACHE_PKT_CFG_M,
- ROCEE_DMAE_USER_CFG2_ROCEE_CACHE_PKT_CFG_S, 0xf);
- roce_set_field(tmp, ROCEE_DMAE_USER_CFG2_ROCEE_STREAM_ID_PKT_CFG_M,
- ROCEE_DMAE_USER_CFG2_ROCEE_STREAM_ID_PKT_CFG_S,
- 1 << PAGES_SHIFT_16);
-
- ret = hns_roce_db_init(hr_dev);
- if (ret) {
- dev_err(dev, "doorbell init failed!\n");
- return ret;
- }
-
- ret = hns_roce_raq_init(hr_dev);
- if (ret) {
- dev_err(dev, "raq init failed!\n");
- goto error_failed_raq_init;
- }
-
- ret = hns_roce_bt_init(hr_dev);
- if (ret) {
- dev_err(dev, "bt init failed!\n");
- goto error_failed_bt_init;
- }
-
- ret = hns_roce_tptr_init(hr_dev);
- if (ret) {
- dev_err(dev, "tptr init failed!\n");
- goto error_failed_tptr_init;
- }
-
- ret = hns_roce_free_mr_init(hr_dev);
- if (ret) {
- dev_err(dev, "free mr init failed!\n");
- goto error_failed_free_mr_init;
- }
-
- hns_roce_port_enable(hr_dev, HNS_ROCE_PORT_UP);
-
- return 0;
-
-error_failed_free_mr_init:
- hns_roce_tptr_free(hr_dev);
-
-error_failed_tptr_init:
- hns_roce_bt_free(hr_dev);
-
-error_failed_bt_init:
- hns_roce_raq_free(hr_dev);
-
-error_failed_raq_init:
- hns_roce_db_free(hr_dev);
- return ret;
-}
-
-static void hns_roce_v1_exit(struct hns_roce_dev *hr_dev)
-{
- hns_roce_port_enable(hr_dev, HNS_ROCE_PORT_DOWN);
- hns_roce_free_mr_free(hr_dev);
- hns_roce_tptr_free(hr_dev);
- hns_roce_bt_free(hr_dev);
- hns_roce_raq_free(hr_dev);
- hns_roce_db_free(hr_dev);
-}
-
-static int hns_roce_v1_cmd_pending(struct hns_roce_dev *hr_dev)
-{
- u32 status = readl(hr_dev->reg_base + ROCEE_MB6_REG);
-
- return (!!(status & (1 << HCR_GO_BIT)));
-}
-
-static int hns_roce_v1_post_mbox(struct hns_roce_dev *hr_dev, u64 in_param,
- u64 out_param, u32 in_modifier, u8 op_modifier,
- u16 op, u16 token, int event)
-{
- u32 __iomem *hcr = (u32 __iomem *)(hr_dev->reg_base + ROCEE_MB1_REG);
- unsigned long end;
- u32 val = 0;
- __le32 tmp;
-
- end = msecs_to_jiffies(GO_BIT_TIMEOUT_MSECS) + jiffies;
- while (hns_roce_v1_cmd_pending(hr_dev)) {
- if (time_after(jiffies, end)) {
- dev_err(hr_dev->dev, "jiffies=%d end=%d\n",
- (int)jiffies, (int)end);
- return -EAGAIN;
- }
- cond_resched();
- }
-
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_MB6_ROCEE_MB_CMD_M, ROCEE_MB6_ROCEE_MB_CMD_S,
- op);
- roce_set_field(tmp, ROCEE_MB6_ROCEE_MB_CMD_MDF_M,
- ROCEE_MB6_ROCEE_MB_CMD_MDF_S, op_modifier);
- roce_set_bit(tmp, ROCEE_MB6_ROCEE_MB_EVENT_S, event);
- roce_set_bit(tmp, ROCEE_MB6_ROCEE_MB_HW_RUN_S, 1);
- roce_set_field(tmp, ROCEE_MB6_ROCEE_MB_TOKEN_M,
- ROCEE_MB6_ROCEE_MB_TOKEN_S, token);
-
- val = le32_to_cpu(tmp);
- writeq(in_param, hcr + 0);
- writeq(out_param, hcr + 2);
- writel(in_modifier, hcr + 4);
- /* Memory barrier */
- wmb();
-
- writel(val, hcr + 5);
-
- return 0;
-}
-
-static int hns_roce_v1_chk_mbox(struct hns_roce_dev *hr_dev,
- unsigned int timeout)
-{
- u8 __iomem *hcr = hr_dev->reg_base + ROCEE_MB1_REG;
- unsigned long end;
- u32 status = 0;
-
- end = msecs_to_jiffies(timeout) + jiffies;
- while (hns_roce_v1_cmd_pending(hr_dev) && time_before(jiffies, end))
- cond_resched();
-
- if (hns_roce_v1_cmd_pending(hr_dev)) {
- dev_err(hr_dev->dev, "[cmd_poll]hw run cmd TIMEDOUT!\n");
- return -ETIMEDOUT;
- }
-
- status = le32_to_cpu((__force __le32)
- __raw_readl(hcr + HCR_STATUS_OFFSET));
- if ((status & STATUS_MASK) != 0x1) {
- dev_err(hr_dev->dev, "mailbox status 0x%x!\n", status);
- return -EBUSY;
- }
-
- return 0;
-}
-
-static int hns_roce_v1_set_gid(struct hns_roce_dev *hr_dev, u32 port,
- int gid_index, const union ib_gid *gid,
- const struct ib_gid_attr *attr)
-{
- unsigned long flags;
- u32 *p = NULL;
- u8 gid_idx;
-
- gid_idx = hns_get_gid_index(hr_dev, port, gid_index);
-
- spin_lock_irqsave(&hr_dev->iboe.lock, flags);
-
- p = (u32 *)&gid->raw[0];
- roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_L_0_REG +
- (HNS_ROCE_V1_GID_NUM * gid_idx));
-
- p = (u32 *)&gid->raw[4];
- roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_ML_0_REG +
- (HNS_ROCE_V1_GID_NUM * gid_idx));
-
- p = (u32 *)&gid->raw[8];
- roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_MH_0_REG +
- (HNS_ROCE_V1_GID_NUM * gid_idx));
-
- p = (u32 *)&gid->raw[0xc];
- roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_H_0_REG +
- (HNS_ROCE_V1_GID_NUM * gid_idx));
-
- spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
-
- return 0;
-}
-
-static int hns_roce_v1_set_mac(struct hns_roce_dev *hr_dev, u8 phy_port,
- const u8 *addr)
-{
- u32 reg_smac_l;
- u16 reg_smac_h;
- __le32 tmp;
- u16 *p_h;
- u32 *p;
- u32 val;
-
- /*
- * When mac changed, loopback may fail
- * because of smac not equal to dmac.
- * We Need to release and create reserved qp again.
- */
- if (hr_dev->hw->dereg_mr) {
- int ret;
-
- ret = hns_roce_v1_recreate_lp_qp(hr_dev);
- if (ret && ret != -ETIMEDOUT)
- return ret;
- }
-
- p = (u32 *)(&addr[0]);
- reg_smac_l = *p;
- roce_raw_write(reg_smac_l, hr_dev->reg_base + ROCEE_SMAC_L_0_REG +
- PHY_PORT_OFFSET * phy_port);
-
- val = roce_read(hr_dev,
- ROCEE_SMAC_H_0_REG + phy_port * PHY_PORT_OFFSET);
- tmp = cpu_to_le32(val);
- p_h = (u16 *)(&addr[4]);
- reg_smac_h = *p_h;
- roce_set_field(tmp, ROCEE_SMAC_H_ROCEE_SMAC_H_M,
- ROCEE_SMAC_H_ROCEE_SMAC_H_S, reg_smac_h);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_SMAC_H_0_REG + phy_port * PHY_PORT_OFFSET,
- val);
-
- return 0;
-}
-
-static void hns_roce_v1_set_mtu(struct hns_roce_dev *hr_dev, u8 phy_port,
- enum ib_mtu mtu)
-{
- __le32 tmp;
- u32 val;
-
- val = roce_read(hr_dev,
- ROCEE_SMAC_H_0_REG + phy_port * PHY_PORT_OFFSET);
- tmp = cpu_to_le32(val);
- roce_set_field(tmp, ROCEE_SMAC_H_ROCEE_PORT_MTU_M,
- ROCEE_SMAC_H_ROCEE_PORT_MTU_S, mtu);
- val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_SMAC_H_0_REG + phy_port * PHY_PORT_OFFSET,
- val);
-}
-
-static int hns_roce_v1_write_mtpt(struct hns_roce_dev *hr_dev, void *mb_buf,
- struct hns_roce_mr *mr,
- unsigned long mtpt_idx)
-{
- u64 pages[HNS_ROCE_MAX_INNER_MTPT_NUM] = { 0 };
- struct ib_device *ibdev = &hr_dev->ib_dev;
- struct hns_roce_v1_mpt_entry *mpt_entry;
- dma_addr_t pbl_ba;
- int count;
- int i;
-
- /* MPT filled into mailbox buf */
- mpt_entry = (struct hns_roce_v1_mpt_entry *)mb_buf;
- memset(mpt_entry, 0, sizeof(*mpt_entry));
-
- roce_set_field(mpt_entry->mpt_byte_4, MPT_BYTE_4_KEY_STATE_M,
- MPT_BYTE_4_KEY_STATE_S, KEY_VALID);
- roce_set_field(mpt_entry->mpt_byte_4, MPT_BYTE_4_KEY_M,
- MPT_BYTE_4_KEY_S, mr->key);
- roce_set_field(mpt_entry->mpt_byte_4, MPT_BYTE_4_PAGE_SIZE_M,
- MPT_BYTE_4_PAGE_SIZE_S, MR_SIZE_4K);
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_MW_TYPE_S, 0);
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_MW_BIND_ENABLE_S,
- (mr->access & IB_ACCESS_MW_BIND ? 1 : 0));
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_OWN_S, 0);
- roce_set_field(mpt_entry->mpt_byte_4, MPT_BYTE_4_MEMORY_LOCATION_TYPE_M,
- MPT_BYTE_4_MEMORY_LOCATION_TYPE_S, mr->type);
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_REMOTE_ATOMIC_S, 0);
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_LOCAL_WRITE_S,
- (mr->access & IB_ACCESS_LOCAL_WRITE ? 1 : 0));
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_REMOTE_WRITE_S,
- (mr->access & IB_ACCESS_REMOTE_WRITE ? 1 : 0));
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_REMOTE_READ_S,
- (mr->access & IB_ACCESS_REMOTE_READ ? 1 : 0));
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_REMOTE_INVAL_ENABLE_S,
- 0);
- roce_set_bit(mpt_entry->mpt_byte_4, MPT_BYTE_4_ADDRESS_TYPE_S, 0);
-
- roce_set_field(mpt_entry->mpt_byte_12, MPT_BYTE_12_PBL_ADDR_H_M,
- MPT_BYTE_12_PBL_ADDR_H_S, 0);
- roce_set_field(mpt_entry->mpt_byte_12, MPT_BYTE_12_MW_BIND_COUNTER_M,
- MPT_BYTE_12_MW_BIND_COUNTER_S, 0);
-
- mpt_entry->virt_addr_l = cpu_to_le32((u32)mr->iova);
- mpt_entry->virt_addr_h = cpu_to_le32((u32)(mr->iova >> 32));
- mpt_entry->length = cpu_to_le32((u32)mr->size);
-
- roce_set_field(mpt_entry->mpt_byte_28, MPT_BYTE_28_PD_M,
- MPT_BYTE_28_PD_S, mr->pd);
- roce_set_field(mpt_entry->mpt_byte_28, MPT_BYTE_28_L_KEY_IDX_L_M,
- MPT_BYTE_28_L_KEY_IDX_L_S, mtpt_idx);
- roce_set_field(mpt_entry->mpt_byte_64, MPT_BYTE_64_L_KEY_IDX_H_M,
- MPT_BYTE_64_L_KEY_IDX_H_S, mtpt_idx >> MTPT_IDX_SHIFT);
-
- /* DMA memory register */
- if (mr->type == MR_TYPE_DMA)
- return 0;
-
- count = hns_roce_mtr_find(hr_dev, &mr->pbl_mtr, 0, pages,
- ARRAY_SIZE(pages), &pbl_ba);
- if (count < 1) {
- ibdev_err(ibdev, "failed to find PBL mtr, count = %d.", count);
- return -ENOBUFS;
- }
-
- /* Register user mr */
- for (i = 0; i < count; i++) {
- switch (i) {
- case 0:
- mpt_entry->pa0_l = cpu_to_le32((u32)(pages[i]));
- roce_set_field(mpt_entry->mpt_byte_36,
- MPT_BYTE_36_PA0_H_M,
- MPT_BYTE_36_PA0_H_S,
- (u32)(pages[i] >> PAGES_SHIFT_32));
- break;
- case 1:
- roce_set_field(mpt_entry->mpt_byte_36,
- MPT_BYTE_36_PA1_L_M,
- MPT_BYTE_36_PA1_L_S, (u32)(pages[i]));
- roce_set_field(mpt_entry->mpt_byte_40,
- MPT_BYTE_40_PA1_H_M,
- MPT_BYTE_40_PA1_H_S,
- (u32)(pages[i] >> PAGES_SHIFT_24));
- break;
- case 2:
- roce_set_field(mpt_entry->mpt_byte_40,
- MPT_BYTE_40_PA2_L_M,
- MPT_BYTE_40_PA2_L_S, (u32)(pages[i]));
- roce_set_field(mpt_entry->mpt_byte_44,
- MPT_BYTE_44_PA2_H_M,
- MPT_BYTE_44_PA2_H_S,
- (u32)(pages[i] >> PAGES_SHIFT_16));
- break;
- case 3:
- roce_set_field(mpt_entry->mpt_byte_44,
- MPT_BYTE_44_PA3_L_M,
- MPT_BYTE_44_PA3_L_S, (u32)(pages[i]));
- roce_set_field(mpt_entry->mpt_byte_48,
- MPT_BYTE_48_PA3_H_M,
- MPT_BYTE_48_PA3_H_S,
- (u32)(pages[i] >> PAGES_SHIFT_8));
- break;
- case 4:
- mpt_entry->pa4_l = cpu_to_le32((u32)(pages[i]));
- roce_set_field(mpt_entry->mpt_byte_56,
- MPT_BYTE_56_PA4_H_M,
- MPT_BYTE_56_PA4_H_S,
- (u32)(pages[i] >> PAGES_SHIFT_32));
- break;
- case 5:
- roce_set_field(mpt_entry->mpt_byte_56,
- MPT_BYTE_56_PA5_L_M,
- MPT_BYTE_56_PA5_L_S, (u32)(pages[i]));
- roce_set_field(mpt_entry->mpt_byte_60,
- MPT_BYTE_60_PA5_H_M,
- MPT_BYTE_60_PA5_H_S,
- (u32)(pages[i] >> PAGES_SHIFT_24));
- break;
- case 6:
- roce_set_field(mpt_entry->mpt_byte_60,
- MPT_BYTE_60_PA6_L_M,
- MPT_BYTE_60_PA6_L_S, (u32)(pages[i]));
- roce_set_field(mpt_entry->mpt_byte_64,
- MPT_BYTE_64_PA6_H_M,
- MPT_BYTE_64_PA6_H_S,
- (u32)(pages[i] >> PAGES_SHIFT_16));
- break;
- default:
- break;
- }
- }
-
- mpt_entry->pbl_addr_l = cpu_to_le32(pbl_ba);
- roce_set_field(mpt_entry->mpt_byte_12, MPT_BYTE_12_PBL_ADDR_H_M,
- MPT_BYTE_12_PBL_ADDR_H_S, upper_32_bits(pbl_ba));
-
- return 0;
-}
-
-static void *get_cqe(struct hns_roce_cq *hr_cq, int n)
-{
- return hns_roce_buf_offset(hr_cq->mtr.kmem, n * HNS_ROCE_V1_CQE_SIZE);
-}
-
-static void *get_sw_cqe(struct hns_roce_cq *hr_cq, int n)
-{
- struct hns_roce_cqe *hr_cqe = get_cqe(hr_cq, n & hr_cq->ib_cq.cqe);
-
- /* Get cqe when Owner bit is Conversely with the MSB of cons_idx */
- return (roce_get_bit(hr_cqe->cqe_byte_4, CQE_BYTE_4_OWNER_S) ^
- !!(n & hr_cq->cq_depth)) ? hr_cqe : NULL;
-}
-
-static struct hns_roce_cqe *next_cqe_sw(struct hns_roce_cq *hr_cq)
-{
- return get_sw_cqe(hr_cq, hr_cq->cons_index);
-}
-
-static void hns_roce_v1_cq_set_ci(struct hns_roce_cq *hr_cq, u32 cons_index)
-{
- __le32 doorbell[2];
-
- doorbell[0] = cpu_to_le32(cons_index & ((hr_cq->cq_depth << 1) - 1));
- doorbell[1] = 0;
- roce_set_bit(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_HW_SYNS_S, 1);
- roce_set_field(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_M,
- ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_S, 3);
- roce_set_field(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_MDF_M,
- ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_MDF_S, 0);
- roce_set_field(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_INP_H_M,
- ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_INP_H_S, hr_cq->cqn);
-
- hns_roce_write64_k(doorbell, hr_cq->db_reg);
-}
-
-static void __hns_roce_v1_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn,
- struct hns_roce_srq *srq)
-{
- struct hns_roce_cqe *cqe, *dest;
- u32 prod_index;
- int nfreed = 0;
- u8 owner_bit;
-
- for (prod_index = hr_cq->cons_index; get_sw_cqe(hr_cq, prod_index);
- ++prod_index) {
- if (prod_index == hr_cq->cons_index + hr_cq->ib_cq.cqe)
- break;
- }
-
- /*
- * Now backwards through the CQ, removing CQ entries
- * that match our QP by overwriting them with next entries.
- */
- while ((int) --prod_index - (int) hr_cq->cons_index >= 0) {
- cqe = get_cqe(hr_cq, prod_index & hr_cq->ib_cq.cqe);
- if ((roce_get_field(cqe->cqe_byte_16, CQE_BYTE_16_LOCAL_QPN_M,
- CQE_BYTE_16_LOCAL_QPN_S) &
- HNS_ROCE_CQE_QPN_MASK) == qpn) {
- /* In v1 engine, not support SRQ */
- ++nfreed;
- } else if (nfreed) {
- dest = get_cqe(hr_cq, (prod_index + nfreed) &
- hr_cq->ib_cq.cqe);
- owner_bit = roce_get_bit(dest->cqe_byte_4,
- CQE_BYTE_4_OWNER_S);
- memcpy(dest, cqe, sizeof(*cqe));
- roce_set_bit(dest->cqe_byte_4, CQE_BYTE_4_OWNER_S,
- owner_bit);
- }
- }
-
- if (nfreed) {
- hr_cq->cons_index += nfreed;
- hns_roce_v1_cq_set_ci(hr_cq, hr_cq->cons_index);
- }
-}
-
-static void hns_roce_v1_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn,
- struct hns_roce_srq *srq)
-{
- spin_lock_irq(&hr_cq->lock);
- __hns_roce_v1_cq_clean(hr_cq, qpn, srq);
- spin_unlock_irq(&hr_cq->lock);
-}
-
-static void hns_roce_v1_write_cqc(struct hns_roce_dev *hr_dev,
- struct hns_roce_cq *hr_cq, void *mb_buf,
- u64 *mtts, dma_addr_t dma_handle)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct hns_roce_buf_list *tptr_buf = &priv->tptr_table.tptr_buf;
- struct hns_roce_cq_context *cq_context = mb_buf;
- dma_addr_t tptr_dma_addr;
- int offset;
-
- memset(cq_context, 0, sizeof(*cq_context));
-
- /* Get the tptr for this CQ. */
- offset = hr_cq->cqn * HNS_ROCE_V1_TPTR_ENTRY_SIZE;
- tptr_dma_addr = tptr_buf->map + offset;
- hr_cq->tptr_addr = (u16 *)(tptr_buf->buf + offset);
-
- /* Register cq_context members */
- roce_set_field(cq_context->cqc_byte_4,
- CQ_CONTEXT_CQC_BYTE_4_CQC_STATE_M,
- CQ_CONTEXT_CQC_BYTE_4_CQC_STATE_S, CQ_STATE_VALID);
- roce_set_field(cq_context->cqc_byte_4, CQ_CONTEXT_CQC_BYTE_4_CQN_M,
- CQ_CONTEXT_CQC_BYTE_4_CQN_S, hr_cq->cqn);
-
- cq_context->cq_bt_l = cpu_to_le32((u32)dma_handle);
-
- roce_set_field(cq_context->cqc_byte_12,
- CQ_CONTEXT_CQC_BYTE_12_CQ_BT_H_M,
- CQ_CONTEXT_CQC_BYTE_12_CQ_BT_H_S,
- ((u64)dma_handle >> 32));
- roce_set_field(cq_context->cqc_byte_12,
- CQ_CONTEXT_CQC_BYTE_12_CQ_CQE_SHIFT_M,
- CQ_CONTEXT_CQC_BYTE_12_CQ_CQE_SHIFT_S,
- ilog2(hr_cq->cq_depth));
- roce_set_field(cq_context->cqc_byte_12, CQ_CONTEXT_CQC_BYTE_12_CEQN_M,
- CQ_CONTEXT_CQC_BYTE_12_CEQN_S, hr_cq->vector);
-
- cq_context->cur_cqe_ba0_l = cpu_to_le32((u32)(mtts[0]));
-
- roce_set_field(cq_context->cqc_byte_20,
- CQ_CONTEXT_CQC_BYTE_20_CUR_CQE_BA0_H_M,
- CQ_CONTEXT_CQC_BYTE_20_CUR_CQE_BA0_H_S, (mtts[0]) >> 32);
- /* Dedicated hardware, directly set 0 */
- roce_set_field(cq_context->cqc_byte_20,
- CQ_CONTEXT_CQC_BYTE_20_CQ_CUR_INDEX_M,
- CQ_CONTEXT_CQC_BYTE_20_CQ_CUR_INDEX_S, 0);
- /**
- * 44 = 32 + 12, When evaluating addr to hardware, shift 12 because of
- * using 4K page, and shift more 32 because of
- * calculating the high 32 bit value evaluated to hardware.
- */
- roce_set_field(cq_context->cqc_byte_20,
- CQ_CONTEXT_CQC_BYTE_20_CQE_TPTR_ADDR_H_M,
- CQ_CONTEXT_CQC_BYTE_20_CQE_TPTR_ADDR_H_S,
- tptr_dma_addr >> 44);
-
- cq_context->cqe_tptr_addr_l = cpu_to_le32((u32)(tptr_dma_addr >> 12));
-
- roce_set_field(cq_context->cqc_byte_32,
- CQ_CONTEXT_CQC_BYTE_32_CUR_CQE_BA1_H_M,
- CQ_CONTEXT_CQC_BYTE_32_CUR_CQE_BA1_H_S, 0);
- roce_set_bit(cq_context->cqc_byte_32,
- CQ_CONTEXT_CQC_BYTE_32_SE_FLAG_S, 0);
- roce_set_bit(cq_context->cqc_byte_32,
- CQ_CONTEXT_CQC_BYTE_32_CE_FLAG_S, 0);
- roce_set_bit(cq_context->cqc_byte_32,
- CQ_CONTEXT_CQC_BYTE_32_NOTIFICATION_FLAG_S, 0);
- roce_set_bit(cq_context->cqc_byte_32,
- CQ_CQNTEXT_CQC_BYTE_32_TYPE_OF_COMPLETION_NOTIFICATION_S,
- 0);
- /* The initial value of cq's ci is 0 */
- roce_set_field(cq_context->cqc_byte_32,
- CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_M,
- CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_S, 0);
-}
-
-static int hns_roce_v1_req_notify_cq(struct ib_cq *ibcq,
- enum ib_cq_notify_flags flags)
-{
- struct hns_roce_cq *hr_cq = to_hr_cq(ibcq);
- u32 notification_flag;
- __le32 doorbell[2] = {};
-
- notification_flag = (flags & IB_CQ_SOLICITED_MASK) ==
- IB_CQ_SOLICITED ? CQ_DB_REQ_NOT : CQ_DB_REQ_NOT_SOL;
- /*
- * flags = 0; Notification Flag = 1, next
- * flags = 1; Notification Flag = 0, solocited
- */
- doorbell[0] =
- cpu_to_le32(hr_cq->cons_index & ((hr_cq->cq_depth << 1) - 1));
- roce_set_bit(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_HW_SYNS_S, 1);
- roce_set_field(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_M,
- ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_S, 3);
- roce_set_field(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_MDF_M,
- ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_MDF_S, 1);
- roce_set_field(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_INP_H_M,
- ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_INP_H_S,
- hr_cq->cqn | notification_flag);
-
- hns_roce_write64_k(doorbell, hr_cq->db_reg);
-
- return 0;
-}
-
-static int hns_roce_v1_poll_one(struct hns_roce_cq *hr_cq,
- struct hns_roce_qp **cur_qp, struct ib_wc *wc)
-{
- int qpn;
- int is_send;
- u16 wqe_ctr;
- u32 status;
- u32 opcode;
- struct hns_roce_cqe *cqe;
- struct hns_roce_qp *hr_qp;
- struct hns_roce_wq *wq;
- struct hns_roce_wqe_ctrl_seg *sq_wqe;
- struct hns_roce_dev *hr_dev = to_hr_dev(hr_cq->ib_cq.device);
- struct device *dev = &hr_dev->pdev->dev;
-
- /* Find cqe according consumer index */
- cqe = next_cqe_sw(hr_cq);
- if (!cqe)
- return -EAGAIN;
-
- ++hr_cq->cons_index;
- /* Memory barrier */
- rmb();
- /* 0->SQ, 1->RQ */
- is_send = !(roce_get_bit(cqe->cqe_byte_4, CQE_BYTE_4_SQ_RQ_FLAG_S));
-
- /* Local_qpn in UD cqe is always 1, so it needs to compute new qpn */
- if (roce_get_field(cqe->cqe_byte_16, CQE_BYTE_16_LOCAL_QPN_M,
- CQE_BYTE_16_LOCAL_QPN_S) <= 1) {
- qpn = roce_get_field(cqe->cqe_byte_20, CQE_BYTE_20_PORT_NUM_M,
- CQE_BYTE_20_PORT_NUM_S) +
- roce_get_field(cqe->cqe_byte_16, CQE_BYTE_16_LOCAL_QPN_M,
- CQE_BYTE_16_LOCAL_QPN_S) *
- HNS_ROCE_MAX_PORTS;
- } else {
- qpn = roce_get_field(cqe->cqe_byte_16, CQE_BYTE_16_LOCAL_QPN_M,
- CQE_BYTE_16_LOCAL_QPN_S);
- }
-
- if (!*cur_qp || (qpn & HNS_ROCE_CQE_QPN_MASK) != (*cur_qp)->qpn) {
- hr_qp = __hns_roce_qp_lookup(hr_dev, qpn);
- if (unlikely(!hr_qp)) {
- dev_err(dev, "CQ %06lx with entry for unknown QPN %06x\n",
- hr_cq->cqn, (qpn & HNS_ROCE_CQE_QPN_MASK));
- return -EINVAL;
- }
-
- *cur_qp = hr_qp;
- }
-
- wc->qp = &(*cur_qp)->ibqp;
- wc->vendor_err = 0;
-
- status = roce_get_field(cqe->cqe_byte_4,
- CQE_BYTE_4_STATUS_OF_THE_OPERATION_M,
- CQE_BYTE_4_STATUS_OF_THE_OPERATION_S) &
- HNS_ROCE_CQE_STATUS_MASK;
- switch (status) {
- case HNS_ROCE_CQE_SUCCESS:
- wc->status = IB_WC_SUCCESS;
- break;
- case HNS_ROCE_CQE_SYNDROME_LOCAL_LENGTH_ERR:
- wc->status = IB_WC_LOC_LEN_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_LOCAL_QP_OP_ERR:
- wc->status = IB_WC_LOC_QP_OP_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_LOCAL_PROT_ERR:
- wc->status = IB_WC_LOC_PROT_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_WR_FLUSH_ERR:
- wc->status = IB_WC_WR_FLUSH_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_MEM_MANAGE_OPERATE_ERR:
- wc->status = IB_WC_MW_BIND_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_BAD_RESP_ERR:
- wc->status = IB_WC_BAD_RESP_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_LOCAL_ACCESS_ERR:
- wc->status = IB_WC_LOC_ACCESS_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_REMOTE_INVAL_REQ_ERR:
- wc->status = IB_WC_REM_INV_REQ_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_REMOTE_ACCESS_ERR:
- wc->status = IB_WC_REM_ACCESS_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_REMOTE_OP_ERR:
- wc->status = IB_WC_REM_OP_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_TRANSPORT_RETRY_EXC_ERR:
- wc->status = IB_WC_RETRY_EXC_ERR;
- break;
- case HNS_ROCE_CQE_SYNDROME_RNR_RETRY_EXC_ERR:
- wc->status = IB_WC_RNR_RETRY_EXC_ERR;
- break;
- default:
- wc->status = IB_WC_GENERAL_ERR;
- break;
- }
-
- /* CQE status error, directly return */
- if (wc->status != IB_WC_SUCCESS)
- return 0;
-
- if (is_send) {
- /* SQ conrespond to CQE */
- sq_wqe = hns_roce_get_send_wqe(*cur_qp,
- roce_get_field(cqe->cqe_byte_4,
- CQE_BYTE_4_WQE_INDEX_M,
- CQE_BYTE_4_WQE_INDEX_S) &
- ((*cur_qp)->sq.wqe_cnt-1));
- switch (le32_to_cpu(sq_wqe->flag) & HNS_ROCE_WQE_OPCODE_MASK) {
- case HNS_ROCE_WQE_OPCODE_SEND:
- wc->opcode = IB_WC_SEND;
- break;
- case HNS_ROCE_WQE_OPCODE_RDMA_READ:
- wc->opcode = IB_WC_RDMA_READ;
- wc->byte_len = le32_to_cpu(cqe->byte_cnt);
- break;
- case HNS_ROCE_WQE_OPCODE_RDMA_WRITE:
- wc->opcode = IB_WC_RDMA_WRITE;
- break;
- case HNS_ROCE_WQE_OPCODE_LOCAL_INV:
- wc->opcode = IB_WC_LOCAL_INV;
- break;
- case HNS_ROCE_WQE_OPCODE_UD_SEND:
- wc->opcode = IB_WC_SEND;
- break;
- default:
- wc->status = IB_WC_GENERAL_ERR;
- break;
- }
- wc->wc_flags = (le32_to_cpu(sq_wqe->flag) & HNS_ROCE_WQE_IMM ?
- IB_WC_WITH_IMM : 0);
-
- wq = &(*cur_qp)->sq;
- if ((*cur_qp)->sq_signal_bits) {
- /*
- * If sg_signal_bit is 1,
- * firstly tail pointer updated to wqe
- * which current cqe correspond to
- */
- wqe_ctr = (u16)roce_get_field(cqe->cqe_byte_4,
- CQE_BYTE_4_WQE_INDEX_M,
- CQE_BYTE_4_WQE_INDEX_S);
- wq->tail += (wqe_ctr - (u16)wq->tail) &
- (wq->wqe_cnt - 1);
- }
- wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)];
- ++wq->tail;
- } else {
- /* RQ conrespond to CQE */
- wc->byte_len = le32_to_cpu(cqe->byte_cnt);
- opcode = roce_get_field(cqe->cqe_byte_4,
- CQE_BYTE_4_OPERATION_TYPE_M,
- CQE_BYTE_4_OPERATION_TYPE_S) &
- HNS_ROCE_CQE_OPCODE_MASK;
- switch (opcode) {
- case HNS_ROCE_OPCODE_RDMA_WITH_IMM_RECEIVE:
- wc->opcode = IB_WC_RECV_RDMA_WITH_IMM;
- wc->wc_flags = IB_WC_WITH_IMM;
- wc->ex.imm_data =
- cpu_to_be32(le32_to_cpu(cqe->immediate_data));
- break;
- case HNS_ROCE_OPCODE_SEND_DATA_RECEIVE:
- if (roce_get_bit(cqe->cqe_byte_4,
- CQE_BYTE_4_IMM_INDICATOR_S)) {
- wc->opcode = IB_WC_RECV;
- wc->wc_flags = IB_WC_WITH_IMM;
- wc->ex.imm_data = cpu_to_be32(
- le32_to_cpu(cqe->immediate_data));
- } else {
- wc->opcode = IB_WC_RECV;
- wc->wc_flags = 0;
- }
- break;
- default:
- wc->status = IB_WC_GENERAL_ERR;
- break;
- }
-
- /* Update tail pointer, record wr_id */
- wq = &(*cur_qp)->rq;
- wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)];
- ++wq->tail;
- wc->sl = (u8)roce_get_field(cqe->cqe_byte_20, CQE_BYTE_20_SL_M,
- CQE_BYTE_20_SL_S);
- wc->src_qp = (u8)roce_get_field(cqe->cqe_byte_20,
- CQE_BYTE_20_REMOTE_QPN_M,
- CQE_BYTE_20_REMOTE_QPN_S);
- wc->wc_flags |= (roce_get_bit(cqe->cqe_byte_20,
- CQE_BYTE_20_GRH_PRESENT_S) ?
- IB_WC_GRH : 0);
- wc->pkey_index = (u16)roce_get_field(cqe->cqe_byte_28,
- CQE_BYTE_28_P_KEY_IDX_M,
- CQE_BYTE_28_P_KEY_IDX_S);
- }
-
- return 0;
-}
-
-int hns_roce_v1_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
-{
- struct hns_roce_cq *hr_cq = to_hr_cq(ibcq);
- struct hns_roce_qp *cur_qp = NULL;
- unsigned long flags;
- int npolled;
- int ret;
-
- spin_lock_irqsave(&hr_cq->lock, flags);
-
- for (npolled = 0; npolled < num_entries; ++npolled) {
- ret = hns_roce_v1_poll_one(hr_cq, &cur_qp, wc + npolled);
- if (ret)
- break;
- }
-
- if (npolled) {
- *hr_cq->tptr_addr = hr_cq->cons_index &
- ((hr_cq->cq_depth << 1) - 1);
-
- hns_roce_v1_cq_set_ci(hr_cq, hr_cq->cons_index);
- }
-
- spin_unlock_irqrestore(&hr_cq->lock, flags);
-
- if (ret == 0 || ret == -EAGAIN)
- return npolled;
- else
- return ret;
-}
-
-static int hns_roce_v1_clear_hem(struct hns_roce_dev *hr_dev,
- struct hns_roce_hem_table *table, int obj,
- int step_idx)
-{
- struct hns_roce_v1_priv *priv = hr_dev->priv;
- struct device *dev = &hr_dev->pdev->dev;
- long end = HW_SYNC_TIMEOUT_MSECS;
- __le32 bt_cmd_val[2] = {0};
- unsigned long flags = 0;
- void __iomem *bt_cmd;
- u64 bt_ba = 0;
-
- switch (table->type) {
- case HEM_TYPE_QPC:
- bt_ba = priv->bt_table.qpc_buf.map >> 12;
- break;
- case HEM_TYPE_MTPT:
- bt_ba = priv->bt_table.mtpt_buf.map >> 12;
- break;
- case HEM_TYPE_CQC:
- bt_ba = priv->bt_table.cqc_buf.map >> 12;
- break;
- case HEM_TYPE_SRQC:
- dev_dbg(dev, "HEM_TYPE_SRQC not support.\n");
- return -EINVAL;
- default:
- return 0;
- }
- roce_set_field(bt_cmd_val[1], ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_M,
- ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_S, table->type);
- roce_set_field(bt_cmd_val[1], ROCEE_BT_CMD_H_ROCEE_BT_CMD_IN_MDF_M,
- ROCEE_BT_CMD_H_ROCEE_BT_CMD_IN_MDF_S, obj);
- roce_set_bit(bt_cmd_val[1], ROCEE_BT_CMD_H_ROCEE_BT_CMD_S, 0);
- roce_set_bit(bt_cmd_val[1], ROCEE_BT_CMD_H_ROCEE_BT_CMD_HW_SYNS_S, 1);
-
- spin_lock_irqsave(&hr_dev->bt_cmd_lock, flags);
-
- bt_cmd = hr_dev->reg_base + ROCEE_BT_CMD_H_REG;
-
- while (1) {
- if (readl(bt_cmd) >> BT_CMD_SYNC_SHIFT) {
- if (!end) {
- dev_err(dev, "Write bt_cmd err,hw_sync is not zero.\n");
- spin_unlock_irqrestore(&hr_dev->bt_cmd_lock,
- flags);
- return -EBUSY;
- }
- } else {
- break;
- }
- mdelay(HW_SYNC_SLEEP_TIME_INTERVAL);
- end -= HW_SYNC_SLEEP_TIME_INTERVAL;
- }
-
- bt_cmd_val[0] = cpu_to_le32(bt_ba);
- roce_set_field(bt_cmd_val[1], ROCEE_BT_CMD_H_ROCEE_BT_CMD_BA_H_M,
- ROCEE_BT_CMD_H_ROCEE_BT_CMD_BA_H_S, bt_ba >> 32);
- hns_roce_write64_k(bt_cmd_val, hr_dev->reg_base + ROCEE_BT_CMD_L_REG);
-
- spin_unlock_irqrestore(&hr_dev->bt_cmd_lock, flags);
-
- return 0;
-}
-
-static int hns_roce_v1_qp_modify(struct hns_roce_dev *hr_dev,
- enum hns_roce_qp_state cur_state,
- enum hns_roce_qp_state new_state,
- struct hns_roce_qp_context *context,
- struct hns_roce_qp *hr_qp)
-{
- static const u16
- op[HNS_ROCE_QP_NUM_STATE][HNS_ROCE_QP_NUM_STATE] = {
- [HNS_ROCE_QP_STATE_RST] = {
- [HNS_ROCE_QP_STATE_RST] = HNS_ROCE_CMD_2RST_QP,
- [HNS_ROCE_QP_STATE_ERR] = HNS_ROCE_CMD_2ERR_QP,
- [HNS_ROCE_QP_STATE_INIT] = HNS_ROCE_CMD_RST2INIT_QP,
- },
- [HNS_ROCE_QP_STATE_INIT] = {
- [HNS_ROCE_QP_STATE_RST] = HNS_ROCE_CMD_2RST_QP,
- [HNS_ROCE_QP_STATE_ERR] = HNS_ROCE_CMD_2ERR_QP,
- /* Note: In v1 engine, HW doesn't support RST2INIT.
- * We use RST2INIT cmd instead of INIT2INIT.
- */
- [HNS_ROCE_QP_STATE_INIT] = HNS_ROCE_CMD_RST2INIT_QP,
- [HNS_ROCE_QP_STATE_RTR] = HNS_ROCE_CMD_INIT2RTR_QP,
- },
- [HNS_ROCE_QP_STATE_RTR] = {
- [HNS_ROCE_QP_STATE_RST] = HNS_ROCE_CMD_2RST_QP,
- [HNS_ROCE_QP_STATE_ERR] = HNS_ROCE_CMD_2ERR_QP,
- [HNS_ROCE_QP_STATE_RTS] = HNS_ROCE_CMD_RTR2RTS_QP,
- },
- [HNS_ROCE_QP_STATE_RTS] = {
- [HNS_ROCE_QP_STATE_RST] = HNS_ROCE_CMD_2RST_QP,
- [HNS_ROCE_QP_STATE_ERR] = HNS_ROCE_CMD_2ERR_QP,
- [HNS_ROCE_QP_STATE_RTS] = HNS_ROCE_CMD_RTS2RTS_QP,
- [HNS_ROCE_QP_STATE_SQD] = HNS_ROCE_CMD_RTS2SQD_QP,
- },
- [HNS_ROCE_QP_STATE_SQD] = {
- [HNS_ROCE_QP_STATE_RST] = HNS_ROCE_CMD_2RST_QP,
- [HNS_ROCE_QP_STATE_ERR] = HNS_ROCE_CMD_2ERR_QP,
- [HNS_ROCE_QP_STATE_RTS] = HNS_ROCE_CMD_SQD2RTS_QP,
- [HNS_ROCE_QP_STATE_SQD] = HNS_ROCE_CMD_SQD2SQD_QP,
- },
- [HNS_ROCE_QP_STATE_ERR] = {
- [HNS_ROCE_QP_STATE_RST] = HNS_ROCE_CMD_2RST_QP,
- [HNS_ROCE_QP_STATE_ERR] = HNS_ROCE_CMD_2ERR_QP,
- }
- };
-
- struct hns_roce_cmd_mailbox *mailbox;
- struct device *dev = &hr_dev->pdev->dev;
- int ret;
-
- if (cur_state >= HNS_ROCE_QP_NUM_STATE ||
- new_state >= HNS_ROCE_QP_NUM_STATE ||
- !op[cur_state][new_state]) {
- dev_err(dev, "[modify_qp]not support state %d to %d\n",
- cur_state, new_state);
- return -EINVAL;
- }
-
- if (op[cur_state][new_state] == HNS_ROCE_CMD_2RST_QP)
- return hns_roce_cmd_mbox(hr_dev, 0, 0, hr_qp->qpn, 2,
- HNS_ROCE_CMD_2RST_QP,
- HNS_ROCE_CMD_TIMEOUT_MSECS);
-
- if (op[cur_state][new_state] == HNS_ROCE_CMD_2ERR_QP)
- return hns_roce_cmd_mbox(hr_dev, 0, 0, hr_qp->qpn, 2,
- HNS_ROCE_CMD_2ERR_QP,
- HNS_ROCE_CMD_TIMEOUT_MSECS);
-
- mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
-
- memcpy(mailbox->buf, context, sizeof(*context));
-
- ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_qp->qpn, 0,
- op[cur_state][new_state],
- HNS_ROCE_CMD_TIMEOUT_MSECS);
-
- hns_roce_free_cmd_mailbox(hr_dev, mailbox);
- return ret;
-}
-
-static int find_wqe_mtt(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
- u64 *sq_ba, u64 *rq_ba, dma_addr_t *bt_ba)
-{
- struct ib_device *ibdev = &hr_dev->ib_dev;
- int count;
-
- count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, 0, sq_ba, 1, bt_ba);
- if (count < 1) {
- ibdev_err(ibdev, "Failed to find SQ ba\n");
- return -ENOBUFS;
- }
-
- count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, hr_qp->rq.offset, rq_ba,
- 1, NULL);
- if (!count) {
- ibdev_err(ibdev, "Failed to find RQ ba\n");
- return -ENOBUFS;
- }
-
- return 0;
-}
-
-static int hns_roce_v1_m_sqp(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
- int attr_mask, enum ib_qp_state cur_state,
- enum ib_qp_state new_state)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
- struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
- struct hns_roce_sqp_context *context;
- dma_addr_t dma_handle = 0;
- u32 __iomem *addr;
- u64 sq_ba = 0;
- u64 rq_ba = 0;
- __le32 tmp;
- u32 reg_val;
-
- context = kzalloc(sizeof(*context), GFP_KERNEL);
- if (!context)
- return -ENOMEM;
-
- /* Search QP buf's MTTs */
- if (find_wqe_mtt(hr_dev, hr_qp, &sq_ba, &rq_ba, &dma_handle))
- goto out;
-
- if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
- roce_set_field(context->qp1c_bytes_4,
- QP1C_BYTES_4_SQ_WQE_SHIFT_M,
- QP1C_BYTES_4_SQ_WQE_SHIFT_S,
- ilog2((unsigned int)hr_qp->sq.wqe_cnt));
- roce_set_field(context->qp1c_bytes_4,
- QP1C_BYTES_4_RQ_WQE_SHIFT_M,
- QP1C_BYTES_4_RQ_WQE_SHIFT_S,
- ilog2((unsigned int)hr_qp->rq.wqe_cnt));
- roce_set_field(context->qp1c_bytes_4, QP1C_BYTES_4_PD_M,
- QP1C_BYTES_4_PD_S, to_hr_pd(ibqp->pd)->pdn);
-
- context->sq_rq_bt_l = cpu_to_le32(dma_handle);
- roce_set_field(context->qp1c_bytes_12,
- QP1C_BYTES_12_SQ_RQ_BT_H_M,
- QP1C_BYTES_12_SQ_RQ_BT_H_S,
- upper_32_bits(dma_handle));
-
- roce_set_field(context->qp1c_bytes_16, QP1C_BYTES_16_RQ_HEAD_M,
- QP1C_BYTES_16_RQ_HEAD_S, hr_qp->rq.head);
- roce_set_field(context->qp1c_bytes_16, QP1C_BYTES_16_PORT_NUM_M,
- QP1C_BYTES_16_PORT_NUM_S, hr_qp->phy_port);
- roce_set_bit(context->qp1c_bytes_16,
- QP1C_BYTES_16_SIGNALING_TYPE_S,
- hr_qp->sq_signal_bits);
- roce_set_bit(context->qp1c_bytes_16, QP1C_BYTES_16_RQ_BA_FLG_S,
- 1);
- roce_set_bit(context->qp1c_bytes_16, QP1C_BYTES_16_SQ_BA_FLG_S,
- 1);
- roce_set_bit(context->qp1c_bytes_16, QP1C_BYTES_16_QP1_ERR_S,
- 0);
-
- roce_set_field(context->qp1c_bytes_20, QP1C_BYTES_20_SQ_HEAD_M,
- QP1C_BYTES_20_SQ_HEAD_S, hr_qp->sq.head);
- roce_set_field(context->qp1c_bytes_20, QP1C_BYTES_20_PKEY_IDX_M,
- QP1C_BYTES_20_PKEY_IDX_S, attr->pkey_index);
-
- context->cur_rq_wqe_ba_l = cpu_to_le32(rq_ba);
-
- roce_set_field(context->qp1c_bytes_28,
- QP1C_BYTES_28_CUR_RQ_WQE_BA_H_M,
- QP1C_BYTES_28_CUR_RQ_WQE_BA_H_S,
- upper_32_bits(rq_ba));
- roce_set_field(context->qp1c_bytes_28,
- QP1C_BYTES_28_RQ_CUR_IDX_M,
- QP1C_BYTES_28_RQ_CUR_IDX_S, 0);
-
- roce_set_field(context->qp1c_bytes_32,
- QP1C_BYTES_32_RX_CQ_NUM_M,
- QP1C_BYTES_32_RX_CQ_NUM_S,
- to_hr_cq(ibqp->recv_cq)->cqn);
- roce_set_field(context->qp1c_bytes_32,
- QP1C_BYTES_32_TX_CQ_NUM_M,
- QP1C_BYTES_32_TX_CQ_NUM_S,
- to_hr_cq(ibqp->send_cq)->cqn);
-
- context->cur_sq_wqe_ba_l = cpu_to_le32(sq_ba);
-
- roce_set_field(context->qp1c_bytes_40,
- QP1C_BYTES_40_CUR_SQ_WQE_BA_H_M,
- QP1C_BYTES_40_CUR_SQ_WQE_BA_H_S,
- upper_32_bits(sq_ba));
- roce_set_field(context->qp1c_bytes_40,
- QP1C_BYTES_40_SQ_CUR_IDX_M,
- QP1C_BYTES_40_SQ_CUR_IDX_S, 0);
-
- /* Copy context to QP1C register */
- addr = (u32 __iomem *)(hr_dev->reg_base +
- ROCEE_QP1C_CFG0_0_REG +
- hr_qp->phy_port * sizeof(*context));
-
- writel(le32_to_cpu(context->qp1c_bytes_4), addr);
- writel(le32_to_cpu(context->sq_rq_bt_l), addr + 1);
- writel(le32_to_cpu(context->qp1c_bytes_12), addr + 2);
- writel(le32_to_cpu(context->qp1c_bytes_16), addr + 3);
- writel(le32_to_cpu(context->qp1c_bytes_20), addr + 4);
- writel(le32_to_cpu(context->cur_rq_wqe_ba_l), addr + 5);
- writel(le32_to_cpu(context->qp1c_bytes_28), addr + 6);
- writel(le32_to_cpu(context->qp1c_bytes_32), addr + 7);
- writel(le32_to_cpu(context->cur_sq_wqe_ba_l), addr + 8);
- writel(le32_to_cpu(context->qp1c_bytes_40), addr + 9);
- }
-
- /* Modify QP1C status */
- reg_val = roce_read(hr_dev, ROCEE_QP1C_CFG0_0_REG +
- hr_qp->phy_port * sizeof(*context));
- tmp = cpu_to_le32(reg_val);
- roce_set_field(tmp, ROCEE_QP1C_CFG0_0_ROCEE_QP1C_QP_ST_M,
- ROCEE_QP1C_CFG0_0_ROCEE_QP1C_QP_ST_S, new_state);
- reg_val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_QP1C_CFG0_0_REG +
- hr_qp->phy_port * sizeof(*context), reg_val);
-
- hr_qp->state = new_state;
- if (new_state == IB_QPS_RESET) {
- hns_roce_v1_cq_clean(to_hr_cq(ibqp->recv_cq), hr_qp->qpn,
- ibqp->srq ? to_hr_srq(ibqp->srq) : NULL);
- if (ibqp->send_cq != ibqp->recv_cq)
- hns_roce_v1_cq_clean(to_hr_cq(ibqp->send_cq),
- hr_qp->qpn, NULL);
-
- hr_qp->rq.head = 0;
- hr_qp->rq.tail = 0;
- hr_qp->sq.head = 0;
- hr_qp->sq.tail = 0;
- }
-
- kfree(context);
- return 0;
-
-out:
- kfree(context);
- return -EINVAL;
-}
-
-static bool check_qp_state(enum ib_qp_state cur_state,
- enum ib_qp_state new_state)
-{
- static const bool sm[][IB_QPS_ERR + 1] = {
- [IB_QPS_RESET] = { [IB_QPS_RESET] = true,
- [IB_QPS_INIT] = true },
- [IB_QPS_INIT] = { [IB_QPS_RESET] = true,
- [IB_QPS_INIT] = true,
- [IB_QPS_RTR] = true,
- [IB_QPS_ERR] = true },
- [IB_QPS_RTR] = { [IB_QPS_RESET] = true,
- [IB_QPS_RTS] = true,
- [IB_QPS_ERR] = true },
- [IB_QPS_RTS] = { [IB_QPS_RESET] = true, [IB_QPS_ERR] = true },
- [IB_QPS_SQD] = {},
- [IB_QPS_SQE] = {},
- [IB_QPS_ERR] = { [IB_QPS_RESET] = true, [IB_QPS_ERR] = true }
- };
-
- return sm[cur_state][new_state];
-}
-
-static int hns_roce_v1_m_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
- int attr_mask, enum ib_qp_state cur_state,
- enum ib_qp_state new_state)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
- struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_qp_context *context;
- const struct ib_global_route *grh = rdma_ah_read_grh(&attr->ah_attr);
- dma_addr_t dma_handle_2 = 0;
- dma_addr_t dma_handle = 0;
- __le32 doorbell[2] = {0};
- u64 *mtts_2 = NULL;
- int ret = -EINVAL;
- const u8 *smac;
- u64 sq_ba = 0;
- u64 rq_ba = 0;
- u32 port;
- u32 port_num;
- u8 *dmac;
-
- if (!check_qp_state(cur_state, new_state)) {
- ibdev_err(ibqp->device,
- "not support QP(%u) status from %d to %d\n",
- ibqp->qp_num, cur_state, new_state);
- return -EINVAL;
- }
-
- context = kzalloc(sizeof(*context), GFP_KERNEL);
- if (!context)
- return -ENOMEM;
-
- /* Search qp buf's mtts */
- if (find_wqe_mtt(hr_dev, hr_qp, &sq_ba, &rq_ba, &dma_handle))
- goto out;
-
- /* Search IRRL's mtts */
- mtts_2 = hns_roce_table_find(hr_dev, &hr_dev->qp_table.irrl_table,
- hr_qp->qpn, &dma_handle_2);
- if (mtts_2 == NULL) {
- dev_err(dev, "qp irrl_table find failed\n");
- goto out;
- }
-
- /*
- * Reset to init
- * Mandatory param:
- * IB_QP_STATE | IB_QP_PKEY_INDEX | IB_QP_PORT | IB_QP_ACCESS_FLAGS
- * Optional param: NA
- */
- if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
- roce_set_field(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTES_4_TRANSPORT_SERVICE_TYPE_M,
- QP_CONTEXT_QPC_BYTES_4_TRANSPORT_SERVICE_TYPE_S,
- to_hr_qp_type(hr_qp->ibqp.qp_type));
-
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_ENABLE_FPMR_S, 0);
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMA_READ_ENABLE_S,
- !!(attr->qp_access_flags & IB_ACCESS_REMOTE_READ));
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMA_WRITE_ENABLE_S,
- !!(attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE)
- );
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_ATOMIC_OPERATION_ENABLE_S,
- !!(attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC)
- );
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMAR_USE_S, 1);
- roce_set_field(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTES_4_SQ_WQE_SHIFT_M,
- QP_CONTEXT_QPC_BYTES_4_SQ_WQE_SHIFT_S,
- ilog2((unsigned int)hr_qp->sq.wqe_cnt));
- roce_set_field(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTES_4_RQ_WQE_SHIFT_M,
- QP_CONTEXT_QPC_BYTES_4_RQ_WQE_SHIFT_S,
- ilog2((unsigned int)hr_qp->rq.wqe_cnt));
- roce_set_field(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTES_4_PD_M,
- QP_CONTEXT_QPC_BYTES_4_PD_S,
- to_hr_pd(ibqp->pd)->pdn);
- hr_qp->access_flags = attr->qp_access_flags;
- roce_set_field(context->qpc_bytes_8,
- QP_CONTEXT_QPC_BYTES_8_TX_COMPLETION_M,
- QP_CONTEXT_QPC_BYTES_8_TX_COMPLETION_S,
- to_hr_cq(ibqp->send_cq)->cqn);
- roce_set_field(context->qpc_bytes_8,
- QP_CONTEXT_QPC_BYTES_8_RX_COMPLETION_M,
- QP_CONTEXT_QPC_BYTES_8_RX_COMPLETION_S,
- to_hr_cq(ibqp->recv_cq)->cqn);
-
- if (ibqp->srq)
- roce_set_field(context->qpc_bytes_12,
- QP_CONTEXT_QPC_BYTES_12_SRQ_NUMBER_M,
- QP_CONTEXT_QPC_BYTES_12_SRQ_NUMBER_S,
- to_hr_srq(ibqp->srq)->srqn);
-
- roce_set_field(context->qpc_bytes_12,
- QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_M,
- QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_S,
- attr->pkey_index);
- hr_qp->pkey_index = attr->pkey_index;
- roce_set_field(context->qpc_bytes_16,
- QP_CONTEXT_QPC_BYTES_16_QP_NUM_M,
- QP_CONTEXT_QPC_BYTES_16_QP_NUM_S, hr_qp->qpn);
- } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) {
- roce_set_field(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTES_4_TRANSPORT_SERVICE_TYPE_M,
- QP_CONTEXT_QPC_BYTES_4_TRANSPORT_SERVICE_TYPE_S,
- to_hr_qp_type(hr_qp->ibqp.qp_type));
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_ENABLE_FPMR_S, 0);
- if (attr_mask & IB_QP_ACCESS_FLAGS) {
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMA_READ_ENABLE_S,
- !!(attr->qp_access_flags &
- IB_ACCESS_REMOTE_READ));
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMA_WRITE_ENABLE_S,
- !!(attr->qp_access_flags &
- IB_ACCESS_REMOTE_WRITE));
- } else {
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMA_READ_ENABLE_S,
- !!(hr_qp->access_flags &
- IB_ACCESS_REMOTE_READ));
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMA_WRITE_ENABLE_S,
- !!(hr_qp->access_flags &
- IB_ACCESS_REMOTE_WRITE));
- }
-
- roce_set_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMAR_USE_S, 1);
- roce_set_field(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTES_4_SQ_WQE_SHIFT_M,
- QP_CONTEXT_QPC_BYTES_4_SQ_WQE_SHIFT_S,
- ilog2((unsigned int)hr_qp->sq.wqe_cnt));
- roce_set_field(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTES_4_RQ_WQE_SHIFT_M,
- QP_CONTEXT_QPC_BYTES_4_RQ_WQE_SHIFT_S,
- ilog2((unsigned int)hr_qp->rq.wqe_cnt));
- roce_set_field(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTES_4_PD_M,
- QP_CONTEXT_QPC_BYTES_4_PD_S,
- to_hr_pd(ibqp->pd)->pdn);
-
- roce_set_field(context->qpc_bytes_8,
- QP_CONTEXT_QPC_BYTES_8_TX_COMPLETION_M,
- QP_CONTEXT_QPC_BYTES_8_TX_COMPLETION_S,
- to_hr_cq(ibqp->send_cq)->cqn);
- roce_set_field(context->qpc_bytes_8,
- QP_CONTEXT_QPC_BYTES_8_RX_COMPLETION_M,
- QP_CONTEXT_QPC_BYTES_8_RX_COMPLETION_S,
- to_hr_cq(ibqp->recv_cq)->cqn);
-
- if (ibqp->srq)
- roce_set_field(context->qpc_bytes_12,
- QP_CONTEXT_QPC_BYTES_12_SRQ_NUMBER_M,
- QP_CONTEXT_QPC_BYTES_12_SRQ_NUMBER_S,
- to_hr_srq(ibqp->srq)->srqn);
- if (attr_mask & IB_QP_PKEY_INDEX)
- roce_set_field(context->qpc_bytes_12,
- QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_M,
- QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_S,
- attr->pkey_index);
- else
- roce_set_field(context->qpc_bytes_12,
- QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_M,
- QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_S,
- hr_qp->pkey_index);
-
- roce_set_field(context->qpc_bytes_16,
- QP_CONTEXT_QPC_BYTES_16_QP_NUM_M,
- QP_CONTEXT_QPC_BYTES_16_QP_NUM_S, hr_qp->qpn);
- } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) {
- if ((attr_mask & IB_QP_ALT_PATH) ||
- (attr_mask & IB_QP_ACCESS_FLAGS) ||
- (attr_mask & IB_QP_PKEY_INDEX) ||
- (attr_mask & IB_QP_QKEY)) {
- dev_err(dev, "INIT2RTR attr_mask error\n");
- goto out;
- }
-
- dmac = (u8 *)attr->ah_attr.roce.dmac;
-
- context->sq_rq_bt_l = cpu_to_le32(dma_handle);
- roce_set_field(context->qpc_bytes_24,
- QP_CONTEXT_QPC_BYTES_24_SQ_RQ_BT_H_M,
- QP_CONTEXT_QPC_BYTES_24_SQ_RQ_BT_H_S,
- upper_32_bits(dma_handle));
- roce_set_bit(context->qpc_bytes_24,
- QP_CONTEXT_QPC_BYTE_24_REMOTE_ENABLE_E2E_CREDITS_S,
- 1);
- roce_set_field(context->qpc_bytes_24,
- QP_CONTEXT_QPC_BYTES_24_MINIMUM_RNR_NAK_TIMER_M,
- QP_CONTEXT_QPC_BYTES_24_MINIMUM_RNR_NAK_TIMER_S,
- attr->min_rnr_timer);
- context->irrl_ba_l = cpu_to_le32((u32)(dma_handle_2));
- roce_set_field(context->qpc_bytes_32,
- QP_CONTEXT_QPC_BYTES_32_IRRL_BA_H_M,
- QP_CONTEXT_QPC_BYTES_32_IRRL_BA_H_S,
- ((u32)(dma_handle_2 >> 32)) &
- QP_CONTEXT_QPC_BYTES_32_IRRL_BA_H_M);
- roce_set_field(context->qpc_bytes_32,
- QP_CONTEXT_QPC_BYTES_32_MIG_STATE_M,
- QP_CONTEXT_QPC_BYTES_32_MIG_STATE_S, 0);
- roce_set_bit(context->qpc_bytes_32,
- QP_CONTEXT_QPC_BYTE_32_LOCAL_ENABLE_E2E_CREDITS_S,
- 1);
- roce_set_bit(context->qpc_bytes_32,
- QP_CONTEXT_QPC_BYTE_32_SIGNALING_TYPE_S,
- hr_qp->sq_signal_bits);
-
- port = (attr_mask & IB_QP_PORT) ? (attr->port_num - 1) :
- hr_qp->port;
- smac = (const u8 *)hr_dev->dev_addr[port];
- /* when dmac equals smac or loop_idc is 1, it should loopback */
- if (ether_addr_equal_unaligned(dmac, smac) ||
- hr_dev->loop_idc == 0x1)
- roce_set_bit(context->qpc_bytes_32,
- QP_CONTEXT_QPC_BYTE_32_LOOPBACK_INDICATOR_S, 1);
-
- roce_set_bit(context->qpc_bytes_32,
- QP_CONTEXT_QPC_BYTE_32_GLOBAL_HEADER_S,
- rdma_ah_get_ah_flags(&attr->ah_attr));
- roce_set_field(context->qpc_bytes_32,
- QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_M,
- QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_S,
- ilog2((unsigned int)attr->max_dest_rd_atomic));
-
- if (attr_mask & IB_QP_DEST_QPN)
- roce_set_field(context->qpc_bytes_36,
- QP_CONTEXT_QPC_BYTES_36_DEST_QP_M,
- QP_CONTEXT_QPC_BYTES_36_DEST_QP_S,
- attr->dest_qp_num);
-
- /* Configure GID index */
- port_num = rdma_ah_get_port_num(&attr->ah_attr);
- roce_set_field(context->qpc_bytes_36,
- QP_CONTEXT_QPC_BYTES_36_SGID_INDEX_M,
- QP_CONTEXT_QPC_BYTES_36_SGID_INDEX_S,
- hns_get_gid_index(hr_dev,
- port_num - 1,
- grh->sgid_index));
-
- memcpy(&(context->dmac_l), dmac, 4);
-
- roce_set_field(context->qpc_bytes_44,
- QP_CONTEXT_QPC_BYTES_44_DMAC_H_M,
- QP_CONTEXT_QPC_BYTES_44_DMAC_H_S,
- *((u16 *)(&dmac[4])));
- roce_set_field(context->qpc_bytes_44,
- QP_CONTEXT_QPC_BYTES_44_MAXIMUM_STATIC_RATE_M,
- QP_CONTEXT_QPC_BYTES_44_MAXIMUM_STATIC_RATE_S,
- rdma_ah_get_static_rate(&attr->ah_attr));
- roce_set_field(context->qpc_bytes_44,
- QP_CONTEXT_QPC_BYTES_44_HOPLMT_M,
- QP_CONTEXT_QPC_BYTES_44_HOPLMT_S,
- grh->hop_limit);
-
- roce_set_field(context->qpc_bytes_48,
- QP_CONTEXT_QPC_BYTES_48_FLOWLABEL_M,
- QP_CONTEXT_QPC_BYTES_48_FLOWLABEL_S,
- grh->flow_label);
- roce_set_field(context->qpc_bytes_48,
- QP_CONTEXT_QPC_BYTES_48_TCLASS_M,
- QP_CONTEXT_QPC_BYTES_48_TCLASS_S,
- grh->traffic_class);
- roce_set_field(context->qpc_bytes_48,
- QP_CONTEXT_QPC_BYTES_48_MTU_M,
- QP_CONTEXT_QPC_BYTES_48_MTU_S, attr->path_mtu);
-
- memcpy(context->dgid, grh->dgid.raw,
- sizeof(grh->dgid.raw));
-
- dev_dbg(dev, "dmac:%x :%lx\n", context->dmac_l,
- roce_get_field(context->qpc_bytes_44,
- QP_CONTEXT_QPC_BYTES_44_DMAC_H_M,
- QP_CONTEXT_QPC_BYTES_44_DMAC_H_S));
-
- roce_set_field(context->qpc_bytes_68,
- QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_M,
- QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_S,
- hr_qp->rq.head);
- roce_set_field(context->qpc_bytes_68,
- QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_M,
- QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_S, 0);
-
- context->cur_rq_wqe_ba_l = cpu_to_le32(rq_ba);
-
- roce_set_field(context->qpc_bytes_76,
- QP_CONTEXT_QPC_BYTES_76_CUR_RQ_WQE_BA_H_M,
- QP_CONTEXT_QPC_BYTES_76_CUR_RQ_WQE_BA_H_S,
- upper_32_bits(rq_ba));
- roce_set_field(context->qpc_bytes_76,
- QP_CONTEXT_QPC_BYTES_76_RX_REQ_MSN_M,
- QP_CONTEXT_QPC_BYTES_76_RX_REQ_MSN_S, 0);
-
- context->rx_rnr_time = 0;
-
- roce_set_field(context->qpc_bytes_84,
- QP_CONTEXT_QPC_BYTES_84_LAST_ACK_PSN_M,
- QP_CONTEXT_QPC_BYTES_84_LAST_ACK_PSN_S,
- attr->rq_psn - 1);
- roce_set_field(context->qpc_bytes_84,
- QP_CONTEXT_QPC_BYTES_84_TRRL_HEAD_M,
- QP_CONTEXT_QPC_BYTES_84_TRRL_HEAD_S, 0);
-
- roce_set_field(context->qpc_bytes_88,
- QP_CONTEXT_QPC_BYTES_88_RX_REQ_EPSN_M,
- QP_CONTEXT_QPC_BYTES_88_RX_REQ_EPSN_S,
- attr->rq_psn);
- roce_set_bit(context->qpc_bytes_88,
- QP_CONTEXT_QPC_BYTES_88_RX_REQ_PSN_ERR_FLAG_S, 0);
- roce_set_bit(context->qpc_bytes_88,
- QP_CONTEXT_QPC_BYTES_88_RX_LAST_OPCODE_FLG_S, 0);
- roce_set_field(context->qpc_bytes_88,
- QP_CONTEXT_QPC_BYTES_88_RQ_REQ_LAST_OPERATION_TYPE_M,
- QP_CONTEXT_QPC_BYTES_88_RQ_REQ_LAST_OPERATION_TYPE_S,
- 0);
- roce_set_field(context->qpc_bytes_88,
- QP_CONTEXT_QPC_BYTES_88_RQ_REQ_RDMA_WR_FLAG_M,
- QP_CONTEXT_QPC_BYTES_88_RQ_REQ_RDMA_WR_FLAG_S,
- 0);
-
- context->dma_length = 0;
- context->r_key = 0;
- context->va_l = 0;
- context->va_h = 0;
-
- roce_set_field(context->qpc_bytes_108,
- QP_CONTEXT_QPC_BYTES_108_TRRL_SDB_PSN_M,
- QP_CONTEXT_QPC_BYTES_108_TRRL_SDB_PSN_S, 0);
- roce_set_bit(context->qpc_bytes_108,
- QP_CONTEXT_QPC_BYTES_108_TRRL_SDB_PSN_FLG_S, 0);
- roce_set_bit(context->qpc_bytes_108,
- QP_CONTEXT_QPC_BYTES_108_TRRL_TDB_PSN_FLG_S, 0);
-
- roce_set_field(context->qpc_bytes_112,
- QP_CONTEXT_QPC_BYTES_112_TRRL_TDB_PSN_M,
- QP_CONTEXT_QPC_BYTES_112_TRRL_TDB_PSN_S, 0);
- roce_set_field(context->qpc_bytes_112,
- QP_CONTEXT_QPC_BYTES_112_TRRL_TAIL_M,
- QP_CONTEXT_QPC_BYTES_112_TRRL_TAIL_S, 0);
-
- /* For chip resp ack */
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_PORT_NUM_M,
- QP_CONTEXT_QPC_BYTES_156_PORT_NUM_S,
- hr_qp->phy_port);
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_SL_M,
- QP_CONTEXT_QPC_BYTES_156_SL_S,
- rdma_ah_get_sl(&attr->ah_attr));
- hr_qp->sl = rdma_ah_get_sl(&attr->ah_attr);
- } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) {
- /* If exist optional param, return error */
- if ((attr_mask & IB_QP_ALT_PATH) ||
- (attr_mask & IB_QP_ACCESS_FLAGS) ||
- (attr_mask & IB_QP_QKEY) ||
- (attr_mask & IB_QP_PATH_MIG_STATE) ||
- (attr_mask & IB_QP_CUR_STATE) ||
- (attr_mask & IB_QP_MIN_RNR_TIMER)) {
- dev_err(dev, "RTR2RTS attr_mask error\n");
- goto out;
- }
-
- context->rx_cur_sq_wqe_ba_l = cpu_to_le32(sq_ba);
-
- roce_set_field(context->qpc_bytes_120,
- QP_CONTEXT_QPC_BYTES_120_RX_CUR_SQ_WQE_BA_H_M,
- QP_CONTEXT_QPC_BYTES_120_RX_CUR_SQ_WQE_BA_H_S,
- upper_32_bits(sq_ba));
-
- roce_set_field(context->qpc_bytes_124,
- QP_CONTEXT_QPC_BYTES_124_RX_ACK_MSN_M,
- QP_CONTEXT_QPC_BYTES_124_RX_ACK_MSN_S, 0);
- roce_set_field(context->qpc_bytes_124,
- QP_CONTEXT_QPC_BYTES_124_IRRL_MSG_IDX_M,
- QP_CONTEXT_QPC_BYTES_124_IRRL_MSG_IDX_S, 0);
-
- roce_set_field(context->qpc_bytes_128,
- QP_CONTEXT_QPC_BYTES_128_RX_ACK_EPSN_M,
- QP_CONTEXT_QPC_BYTES_128_RX_ACK_EPSN_S,
- attr->sq_psn);
- roce_set_bit(context->qpc_bytes_128,
- QP_CONTEXT_QPC_BYTES_128_RX_ACK_PSN_ERR_FLG_S, 0);
- roce_set_field(context->qpc_bytes_128,
- QP_CONTEXT_QPC_BYTES_128_ACK_LAST_OPERATION_TYPE_M,
- QP_CONTEXT_QPC_BYTES_128_ACK_LAST_OPERATION_TYPE_S,
- 0);
- roce_set_bit(context->qpc_bytes_128,
- QP_CONTEXT_QPC_BYTES_128_IRRL_PSN_VLD_FLG_S, 0);
-
- roce_set_field(context->qpc_bytes_132,
- QP_CONTEXT_QPC_BYTES_132_IRRL_PSN_M,
- QP_CONTEXT_QPC_BYTES_132_IRRL_PSN_S, 0);
- roce_set_field(context->qpc_bytes_132,
- QP_CONTEXT_QPC_BYTES_132_IRRL_TAIL_M,
- QP_CONTEXT_QPC_BYTES_132_IRRL_TAIL_S, 0);
-
- roce_set_field(context->qpc_bytes_136,
- QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_PSN_M,
- QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_PSN_S,
- attr->sq_psn);
- roce_set_field(context->qpc_bytes_136,
- QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_FPKT_PSN_L_M,
- QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_FPKT_PSN_L_S,
- attr->sq_psn);
-
- roce_set_field(context->qpc_bytes_140,
- QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_FPKT_PSN_H_M,
- QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_FPKT_PSN_H_S,
- (attr->sq_psn >> SQ_PSN_SHIFT));
- roce_set_field(context->qpc_bytes_140,
- QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_MSN_M,
- QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_MSN_S, 0);
- roce_set_bit(context->qpc_bytes_140,
- QP_CONTEXT_QPC_BYTES_140_RNR_RETRY_FLG_S, 0);
-
- roce_set_field(context->qpc_bytes_148,
- QP_CONTEXT_QPC_BYTES_148_CHECK_FLAG_M,
- QP_CONTEXT_QPC_BYTES_148_CHECK_FLAG_S, 0);
- roce_set_field(context->qpc_bytes_148,
- QP_CONTEXT_QPC_BYTES_148_RETRY_COUNT_M,
- QP_CONTEXT_QPC_BYTES_148_RETRY_COUNT_S,
- attr->retry_cnt);
- roce_set_field(context->qpc_bytes_148,
- QP_CONTEXT_QPC_BYTES_148_RNR_RETRY_COUNT_M,
- QP_CONTEXT_QPC_BYTES_148_RNR_RETRY_COUNT_S,
- attr->rnr_retry);
- roce_set_field(context->qpc_bytes_148,
- QP_CONTEXT_QPC_BYTES_148_LSN_M,
- QP_CONTEXT_QPC_BYTES_148_LSN_S, 0x100);
-
- context->rnr_retry = 0;
-
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_RETRY_COUNT_INIT_M,
- QP_CONTEXT_QPC_BYTES_156_RETRY_COUNT_INIT_S,
- attr->retry_cnt);
- if (attr->timeout < 0x12) {
- dev_info(dev, "ack timeout value(0x%x) must bigger than 0x12.\n",
- attr->timeout);
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_M,
- QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_S,
- 0x12);
- } else {
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_M,
- QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_S,
- attr->timeout);
- }
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_RNR_RETRY_COUNT_INIT_M,
- QP_CONTEXT_QPC_BYTES_156_RNR_RETRY_COUNT_INIT_S,
- attr->rnr_retry);
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_PORT_NUM_M,
- QP_CONTEXT_QPC_BYTES_156_PORT_NUM_S,
- hr_qp->phy_port);
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_SL_M,
- QP_CONTEXT_QPC_BYTES_156_SL_S,
- rdma_ah_get_sl(&attr->ah_attr));
- hr_qp->sl = rdma_ah_get_sl(&attr->ah_attr);
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_M,
- QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_S,
- ilog2((unsigned int)attr->max_rd_atomic));
- roce_set_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_ACK_REQ_IND_M,
- QP_CONTEXT_QPC_BYTES_156_ACK_REQ_IND_S, 0);
- context->pkt_use_len = 0;
-
- roce_set_field(context->qpc_bytes_164,
- QP_CONTEXT_QPC_BYTES_164_SQ_PSN_M,
- QP_CONTEXT_QPC_BYTES_164_SQ_PSN_S, attr->sq_psn);
- roce_set_field(context->qpc_bytes_164,
- QP_CONTEXT_QPC_BYTES_164_IRRL_HEAD_M,
- QP_CONTEXT_QPC_BYTES_164_IRRL_HEAD_S, 0);
-
- roce_set_field(context->qpc_bytes_168,
- QP_CONTEXT_QPC_BYTES_168_RETRY_SQ_PSN_M,
- QP_CONTEXT_QPC_BYTES_168_RETRY_SQ_PSN_S,
- attr->sq_psn);
- roce_set_field(context->qpc_bytes_168,
- QP_CONTEXT_QPC_BYTES_168_SGE_USE_FLA_M,
- QP_CONTEXT_QPC_BYTES_168_SGE_USE_FLA_S, 0);
- roce_set_field(context->qpc_bytes_168,
- QP_CONTEXT_QPC_BYTES_168_DB_TYPE_M,
- QP_CONTEXT_QPC_BYTES_168_DB_TYPE_S, 0);
- roce_set_bit(context->qpc_bytes_168,
- QP_CONTEXT_QPC_BYTES_168_MSG_LP_IND_S, 0);
- roce_set_bit(context->qpc_bytes_168,
- QP_CONTEXT_QPC_BYTES_168_CSDB_LP_IND_S, 0);
- roce_set_bit(context->qpc_bytes_168,
- QP_CONTEXT_QPC_BYTES_168_QP_ERR_FLG_S, 0);
- context->sge_use_len = 0;
-
- roce_set_field(context->qpc_bytes_176,
- QP_CONTEXT_QPC_BYTES_176_DB_CUR_INDEX_M,
- QP_CONTEXT_QPC_BYTES_176_DB_CUR_INDEX_S, 0);
- roce_set_field(context->qpc_bytes_176,
- QP_CONTEXT_QPC_BYTES_176_RETRY_DB_CUR_INDEX_M,
- QP_CONTEXT_QPC_BYTES_176_RETRY_DB_CUR_INDEX_S,
- 0);
- roce_set_field(context->qpc_bytes_180,
- QP_CONTEXT_QPC_BYTES_180_SQ_CUR_INDEX_M,
- QP_CONTEXT_QPC_BYTES_180_SQ_CUR_INDEX_S, 0);
- roce_set_field(context->qpc_bytes_180,
- QP_CONTEXT_QPC_BYTES_180_SQ_HEAD_M,
- QP_CONTEXT_QPC_BYTES_180_SQ_HEAD_S, 0);
-
- context->tx_cur_sq_wqe_ba_l = cpu_to_le32(sq_ba);
-
- roce_set_field(context->qpc_bytes_188,
- QP_CONTEXT_QPC_BYTES_188_TX_CUR_SQ_WQE_BA_H_M,
- QP_CONTEXT_QPC_BYTES_188_TX_CUR_SQ_WQE_BA_H_S,
- upper_32_bits(sq_ba));
- roce_set_bit(context->qpc_bytes_188,
- QP_CONTEXT_QPC_BYTES_188_PKT_RETRY_FLG_S, 0);
- roce_set_field(context->qpc_bytes_188,
- QP_CONTEXT_QPC_BYTES_188_TX_RETRY_CUR_INDEX_M,
- QP_CONTEXT_QPC_BYTES_188_TX_RETRY_CUR_INDEX_S,
- 0);
- }
-
- /* Every status migrate must change state */
- roce_set_field(context->qpc_bytes_144,
- QP_CONTEXT_QPC_BYTES_144_QP_STATE_M,
- QP_CONTEXT_QPC_BYTES_144_QP_STATE_S, new_state);
-
- /* SW pass context to HW */
- ret = hns_roce_v1_qp_modify(hr_dev, to_hns_roce_state(cur_state),
- to_hns_roce_state(new_state), context,
- hr_qp);
- if (ret) {
- dev_err(dev, "hns_roce_qp_modify failed\n");
- goto out;
- }
-
- /*
- * Use rst2init to instead of init2init with drv,
- * need to hw to flash RQ HEAD by DB again
- */
- if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) {
- roce_set_field(doorbell[0], RQ_DOORBELL_U32_4_RQ_HEAD_M,
- RQ_DOORBELL_U32_4_RQ_HEAD_S, hr_qp->rq.head);
- roce_set_field(doorbell[1], RQ_DOORBELL_U32_8_QPN_M,
- RQ_DOORBELL_U32_8_QPN_S, hr_qp->qpn);
- roce_set_field(doorbell[1], RQ_DOORBELL_U32_8_CMD_M,
- RQ_DOORBELL_U32_8_CMD_S, 1);
- roce_set_bit(doorbell[1], RQ_DOORBELL_U32_8_HW_SYNC_S, 1);
-
- if (ibqp->uobject) {
- hr_qp->rq.db_reg = hr_dev->reg_base +
- hr_dev->odb_offset +
- DB_REG_OFFSET * hr_dev->priv_uar.index;
- }
-
- hns_roce_write64_k(doorbell, hr_qp->rq.db_reg);
- }
-
- hr_qp->state = new_state;
-
- if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC)
- hr_qp->resp_depth = attr->max_dest_rd_atomic;
- if (attr_mask & IB_QP_PORT) {
- hr_qp->port = attr->port_num - 1;
- hr_qp->phy_port = hr_dev->iboe.phy_port[hr_qp->port];
- }
-
- if (new_state == IB_QPS_RESET && !ibqp->uobject) {
- hns_roce_v1_cq_clean(to_hr_cq(ibqp->recv_cq), hr_qp->qpn,
- ibqp->srq ? to_hr_srq(ibqp->srq) : NULL);
- if (ibqp->send_cq != ibqp->recv_cq)
- hns_roce_v1_cq_clean(to_hr_cq(ibqp->send_cq),
- hr_qp->qpn, NULL);
-
- hr_qp->rq.head = 0;
- hr_qp->rq.tail = 0;
- hr_qp->sq.head = 0;
- hr_qp->sq.tail = 0;
- }
-out:
- kfree(context);
- return ret;
-}
-
-static int hns_roce_v1_modify_qp(struct ib_qp *ibqp,
- const struct ib_qp_attr *attr, int attr_mask,
- enum ib_qp_state cur_state,
- enum ib_qp_state new_state)
-{
- if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
- return -EOPNOTSUPP;
-
- if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI)
- return hns_roce_v1_m_sqp(ibqp, attr, attr_mask, cur_state,
- new_state);
- else
- return hns_roce_v1_m_qp(ibqp, attr, attr_mask, cur_state,
- new_state);
-}
-
-static enum ib_qp_state to_ib_qp_state(enum hns_roce_qp_state state)
-{
- switch (state) {
- case HNS_ROCE_QP_STATE_RST:
- return IB_QPS_RESET;
- case HNS_ROCE_QP_STATE_INIT:
- return IB_QPS_INIT;
- case HNS_ROCE_QP_STATE_RTR:
- return IB_QPS_RTR;
- case HNS_ROCE_QP_STATE_RTS:
- return IB_QPS_RTS;
- case HNS_ROCE_QP_STATE_SQD:
- return IB_QPS_SQD;
- case HNS_ROCE_QP_STATE_ERR:
- return IB_QPS_ERR;
- default:
- return IB_QPS_ERR;
- }
-}
-
-static int hns_roce_v1_query_qpc(struct hns_roce_dev *hr_dev,
- struct hns_roce_qp *hr_qp,
- struct hns_roce_qp_context *hr_context)
-{
- struct hns_roce_cmd_mailbox *mailbox;
- int ret;
-
- mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
-
- ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, hr_qp->qpn, 0,
- HNS_ROCE_CMD_QUERY_QP,
- HNS_ROCE_CMD_TIMEOUT_MSECS);
- if (!ret)
- memcpy(hr_context, mailbox->buf, sizeof(*hr_context));
- else
- dev_err(&hr_dev->pdev->dev, "QUERY QP cmd process error\n");
-
- hns_roce_free_cmd_mailbox(hr_dev, mailbox);
-
- return ret;
-}
-
-static int hns_roce_v1_q_sqp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
- int qp_attr_mask,
- struct ib_qp_init_attr *qp_init_attr)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
- struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
- struct hns_roce_sqp_context context;
- u32 addr;
-
- mutex_lock(&hr_qp->mutex);
-
- if (hr_qp->state == IB_QPS_RESET) {
- qp_attr->qp_state = IB_QPS_RESET;
- goto done;
- }
-
- addr = ROCEE_QP1C_CFG0_0_REG +
- hr_qp->port * sizeof(struct hns_roce_sqp_context);
- context.qp1c_bytes_4 = cpu_to_le32(roce_read(hr_dev, addr));
- context.sq_rq_bt_l = cpu_to_le32(roce_read(hr_dev, addr + 1));
- context.qp1c_bytes_12 = cpu_to_le32(roce_read(hr_dev, addr + 2));
- context.qp1c_bytes_16 = cpu_to_le32(roce_read(hr_dev, addr + 3));
- context.qp1c_bytes_20 = cpu_to_le32(roce_read(hr_dev, addr + 4));
- context.cur_rq_wqe_ba_l = cpu_to_le32(roce_read(hr_dev, addr + 5));
- context.qp1c_bytes_28 = cpu_to_le32(roce_read(hr_dev, addr + 6));
- context.qp1c_bytes_32 = cpu_to_le32(roce_read(hr_dev, addr + 7));
- context.cur_sq_wqe_ba_l = cpu_to_le32(roce_read(hr_dev, addr + 8));
- context.qp1c_bytes_40 = cpu_to_le32(roce_read(hr_dev, addr + 9));
-
- hr_qp->state = roce_get_field(context.qp1c_bytes_4,
- QP1C_BYTES_4_QP_STATE_M,
- QP1C_BYTES_4_QP_STATE_S);
- qp_attr->qp_state = hr_qp->state;
- qp_attr->path_mtu = IB_MTU_256;
- qp_attr->path_mig_state = IB_MIG_ARMED;
- qp_attr->qkey = QKEY_VAL;
- qp_attr->ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE;
- qp_attr->rq_psn = 0;
- qp_attr->sq_psn = 0;
- qp_attr->dest_qp_num = 1;
- qp_attr->qp_access_flags = 6;
-
- qp_attr->pkey_index = roce_get_field(context.qp1c_bytes_20,
- QP1C_BYTES_20_PKEY_IDX_M,
- QP1C_BYTES_20_PKEY_IDX_S);
- qp_attr->port_num = hr_qp->port + 1;
- qp_attr->sq_draining = 0;
- qp_attr->max_rd_atomic = 0;
- qp_attr->max_dest_rd_atomic = 0;
- qp_attr->min_rnr_timer = 0;
- qp_attr->timeout = 0;
- qp_attr->retry_cnt = 0;
- qp_attr->rnr_retry = 0;
- qp_attr->alt_timeout = 0;
-
-done:
- qp_attr->cur_qp_state = qp_attr->qp_state;
- qp_attr->cap.max_recv_wr = hr_qp->rq.wqe_cnt;
- qp_attr->cap.max_recv_sge = hr_qp->rq.max_gs;
- qp_attr->cap.max_send_wr = hr_qp->sq.wqe_cnt;
- qp_attr->cap.max_send_sge = hr_qp->sq.max_gs;
- qp_attr->cap.max_inline_data = 0;
- qp_init_attr->cap = qp_attr->cap;
- qp_init_attr->create_flags = 0;
-
- mutex_unlock(&hr_qp->mutex);
-
- return 0;
-}
-
-static int hns_roce_v1_q_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
- int qp_attr_mask,
- struct ib_qp_init_attr *qp_init_attr)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
- struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_qp_context *context;
- int tmp_qp_state;
- int ret = 0;
- int state;
-
- context = kzalloc(sizeof(*context), GFP_KERNEL);
- if (!context)
- return -ENOMEM;
-
- memset(qp_attr, 0, sizeof(*qp_attr));
- memset(qp_init_attr, 0, sizeof(*qp_init_attr));
-
- mutex_lock(&hr_qp->mutex);
-
- if (hr_qp->state == IB_QPS_RESET) {
- qp_attr->qp_state = IB_QPS_RESET;
- goto done;
- }
-
- ret = hns_roce_v1_query_qpc(hr_dev, hr_qp, context);
- if (ret) {
- dev_err(dev, "query qpc error\n");
- ret = -EINVAL;
- goto out;
- }
-
- state = roce_get_field(context->qpc_bytes_144,
- QP_CONTEXT_QPC_BYTES_144_QP_STATE_M,
- QP_CONTEXT_QPC_BYTES_144_QP_STATE_S);
- tmp_qp_state = (int)to_ib_qp_state((enum hns_roce_qp_state)state);
- if (tmp_qp_state == -1) {
- dev_err(dev, "to_ib_qp_state error\n");
- ret = -EINVAL;
- goto out;
- }
- hr_qp->state = (u8)tmp_qp_state;
- qp_attr->qp_state = (enum ib_qp_state)hr_qp->state;
- qp_attr->path_mtu = (enum ib_mtu)roce_get_field(context->qpc_bytes_48,
- QP_CONTEXT_QPC_BYTES_48_MTU_M,
- QP_CONTEXT_QPC_BYTES_48_MTU_S);
- qp_attr->path_mig_state = IB_MIG_ARMED;
- qp_attr->ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE;
- if (hr_qp->ibqp.qp_type == IB_QPT_UD)
- qp_attr->qkey = QKEY_VAL;
-
- qp_attr->rq_psn = roce_get_field(context->qpc_bytes_88,
- QP_CONTEXT_QPC_BYTES_88_RX_REQ_EPSN_M,
- QP_CONTEXT_QPC_BYTES_88_RX_REQ_EPSN_S);
- qp_attr->sq_psn = (u32)roce_get_field(context->qpc_bytes_164,
- QP_CONTEXT_QPC_BYTES_164_SQ_PSN_M,
- QP_CONTEXT_QPC_BYTES_164_SQ_PSN_S);
- qp_attr->dest_qp_num = (u8)roce_get_field(context->qpc_bytes_36,
- QP_CONTEXT_QPC_BYTES_36_DEST_QP_M,
- QP_CONTEXT_QPC_BYTES_36_DEST_QP_S);
- qp_attr->qp_access_flags = ((roce_get_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMA_READ_ENABLE_S)) << 2) |
- ((roce_get_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_RDMA_WRITE_ENABLE_S)) << 1) |
- ((roce_get_bit(context->qpc_bytes_4,
- QP_CONTEXT_QPC_BYTE_4_ATOMIC_OPERATION_ENABLE_S)) << 3);
-
- if (hr_qp->ibqp.qp_type == IB_QPT_RC) {
- struct ib_global_route *grh =
- rdma_ah_retrieve_grh(&qp_attr->ah_attr);
-
- rdma_ah_set_sl(&qp_attr->ah_attr,
- roce_get_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_SL_M,
- QP_CONTEXT_QPC_BYTES_156_SL_S));
- rdma_ah_set_ah_flags(&qp_attr->ah_attr, IB_AH_GRH);
- grh->flow_label =
- roce_get_field(context->qpc_bytes_48,
- QP_CONTEXT_QPC_BYTES_48_FLOWLABEL_M,
- QP_CONTEXT_QPC_BYTES_48_FLOWLABEL_S);
- grh->sgid_index =
- roce_get_field(context->qpc_bytes_36,
- QP_CONTEXT_QPC_BYTES_36_SGID_INDEX_M,
- QP_CONTEXT_QPC_BYTES_36_SGID_INDEX_S);
- grh->hop_limit =
- roce_get_field(context->qpc_bytes_44,
- QP_CONTEXT_QPC_BYTES_44_HOPLMT_M,
- QP_CONTEXT_QPC_BYTES_44_HOPLMT_S);
- grh->traffic_class =
- roce_get_field(context->qpc_bytes_48,
- QP_CONTEXT_QPC_BYTES_48_TCLASS_M,
- QP_CONTEXT_QPC_BYTES_48_TCLASS_S);
-
- memcpy(grh->dgid.raw, context->dgid,
- sizeof(grh->dgid.raw));
- }
-
- qp_attr->pkey_index = roce_get_field(context->qpc_bytes_12,
- QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_M,
- QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_S);
- qp_attr->port_num = hr_qp->port + 1;
- qp_attr->sq_draining = 0;
- qp_attr->max_rd_atomic = 1 << roce_get_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_M,
- QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_S);
- qp_attr->max_dest_rd_atomic = 1 << roce_get_field(context->qpc_bytes_32,
- QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_M,
- QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_S);
- qp_attr->min_rnr_timer = (u8)(roce_get_field(context->qpc_bytes_24,
- QP_CONTEXT_QPC_BYTES_24_MINIMUM_RNR_NAK_TIMER_M,
- QP_CONTEXT_QPC_BYTES_24_MINIMUM_RNR_NAK_TIMER_S));
- qp_attr->timeout = (u8)(roce_get_field(context->qpc_bytes_156,
- QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_M,
- QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_S));
- qp_attr->retry_cnt = roce_get_field(context->qpc_bytes_148,
- QP_CONTEXT_QPC_BYTES_148_RETRY_COUNT_M,
- QP_CONTEXT_QPC_BYTES_148_RETRY_COUNT_S);
- qp_attr->rnr_retry = (u8)le32_to_cpu(context->rnr_retry);
-
-done:
- qp_attr->cur_qp_state = qp_attr->qp_state;
- qp_attr->cap.max_recv_wr = hr_qp->rq.wqe_cnt;
- qp_attr->cap.max_recv_sge = hr_qp->rq.max_gs;
-
- if (!ibqp->uobject) {
- qp_attr->cap.max_send_wr = hr_qp->sq.wqe_cnt;
- qp_attr->cap.max_send_sge = hr_qp->sq.max_gs;
- } else {
- qp_attr->cap.max_send_wr = 0;
- qp_attr->cap.max_send_sge = 0;
- }
-
- qp_init_attr->cap = qp_attr->cap;
-
-out:
- mutex_unlock(&hr_qp->mutex);
- kfree(context);
- return ret;
-}
-
-static int hns_roce_v1_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
- int qp_attr_mask,
- struct ib_qp_init_attr *qp_init_attr)
-{
- struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
-
- return hr_qp->doorbell_qpn <= 1 ?
- hns_roce_v1_q_sqp(ibqp, qp_attr, qp_attr_mask, qp_init_attr) :
- hns_roce_v1_q_qp(ibqp, qp_attr, qp_attr_mask, qp_init_attr);
-}
-
-int hns_roce_v1_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
- struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
- struct hns_roce_cq *send_cq, *recv_cq;
- int ret;
-
- ret = hns_roce_v1_modify_qp(ibqp, NULL, 0, hr_qp->state, IB_QPS_RESET);
- if (ret)
- return ret;
-
- send_cq = hr_qp->ibqp.send_cq ? to_hr_cq(hr_qp->ibqp.send_cq) : NULL;
- recv_cq = hr_qp->ibqp.recv_cq ? to_hr_cq(hr_qp->ibqp.recv_cq) : NULL;
-
- hns_roce_lock_cqs(send_cq, recv_cq);
- if (!udata) {
- if (recv_cq)
- __hns_roce_v1_cq_clean(recv_cq, hr_qp->qpn,
- (hr_qp->ibqp.srq ?
- to_hr_srq(hr_qp->ibqp.srq) :
- NULL));
-
- if (send_cq && send_cq != recv_cq)
- __hns_roce_v1_cq_clean(send_cq, hr_qp->qpn, NULL);
- }
- hns_roce_qp_remove(hr_dev, hr_qp);
- hns_roce_unlock_cqs(send_cq, recv_cq);
-
- hns_roce_qp_destroy(hr_dev, hr_qp, udata);
-
- return 0;
-}
-
-static int hns_roce_v1_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibcq->device);
- struct hns_roce_cq *hr_cq = to_hr_cq(ibcq);
- struct device *dev = &hr_dev->pdev->dev;
- u32 cqe_cnt_ori;
- u32 cqe_cnt_cur;
- int wait_time = 0;
-
- /*
- * Before freeing cq buffer, we need to ensure that the outstanding CQE
- * have been written by checking the CQE counter.
- */
- cqe_cnt_ori = roce_read(hr_dev, ROCEE_SCAEP_WR_CQE_CNT);
- while (1) {
- if (roce_read(hr_dev, ROCEE_CAEP_CQE_WCMD_EMPTY) &
- HNS_ROCE_CQE_WCMD_EMPTY_BIT)
- break;
-
- cqe_cnt_cur = roce_read(hr_dev, ROCEE_SCAEP_WR_CQE_CNT);
- if ((cqe_cnt_cur - cqe_cnt_ori) >= HNS_ROCE_MIN_CQE_CNT)
- break;
-
- msleep(HNS_ROCE_EACH_FREE_CQ_WAIT_MSECS);
- if (wait_time > HNS_ROCE_MAX_FREE_CQ_WAIT_CNT) {
- dev_warn(dev, "Destroy cq 0x%lx timeout!\n",
- hr_cq->cqn);
- break;
- }
- wait_time++;
- }
- return 0;
-}
-
-static void set_eq_cons_index_v1(struct hns_roce_eq *eq, u32 req_not)
-{
- roce_raw_write((eq->cons_index & HNS_ROCE_V1_CONS_IDX_M) |
- (req_not << eq->log_entries), eq->db_reg);
-}
-
-static void hns_roce_v1_wq_catas_err_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe, int qpn)
-{
- struct device *dev = &hr_dev->pdev->dev;
-
- dev_warn(dev, "Local Work Queue Catastrophic Error.\n");
- switch (roce_get_field(aeqe->asyn, HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_M,
- HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_S)) {
- case HNS_ROCE_LWQCE_QPC_ERROR:
- dev_warn(dev, "QP %d, QPC error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_MTU_ERROR:
- dev_warn(dev, "QP %d, MTU error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_WQE_BA_ADDR_ERROR:
- dev_warn(dev, "QP %d, WQE BA addr error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_WQE_ADDR_ERROR:
- dev_warn(dev, "QP %d, WQE addr error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_SQ_WQE_SHIFT_ERROR:
- dev_warn(dev, "QP %d, WQE shift error\n", qpn);
- break;
- case HNS_ROCE_LWQCE_SL_ERROR:
- dev_warn(dev, "QP %d, SL error.\n", qpn);
- break;
- case HNS_ROCE_LWQCE_PORT_ERROR:
- dev_warn(dev, "QP %d, port error.\n", qpn);
- break;
- default:
- break;
- }
-}
-
-static void hns_roce_v1_local_wq_access_err_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe,
- int qpn)
-{
- struct device *dev = &hr_dev->pdev->dev;
-
- dev_warn(dev, "Local Access Violation Work Queue Error.\n");
- switch (roce_get_field(aeqe->asyn, HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_M,
- HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_S)) {
- case HNS_ROCE_LAVWQE_R_KEY_VIOLATION:
- dev_warn(dev, "QP %d, R_key violation.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_LENGTH_ERROR:
- dev_warn(dev, "QP %d, length error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_VA_ERROR:
- dev_warn(dev, "QP %d, VA error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_PD_ERROR:
- dev_err(dev, "QP %d, PD error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_RW_ACC_ERROR:
- dev_warn(dev, "QP %d, rw acc error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_KEY_STATE_ERROR:
- dev_warn(dev, "QP %d, key state error.\n", qpn);
- break;
- case HNS_ROCE_LAVWQE_MR_OPERATION_ERROR:
- dev_warn(dev, "QP %d, MR operation error.\n", qpn);
- break;
- default:
- break;
- }
-}
-
-static void hns_roce_v1_qp_err_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe,
- int event_type)
-{
- struct device *dev = &hr_dev->pdev->dev;
- int phy_port;
- int qpn;
-
- qpn = roce_get_field(aeqe->event.queue_event.num,
- HNS_ROCE_AEQE_EVENT_QP_EVENT_QP_QPN_M,
- HNS_ROCE_AEQE_EVENT_QP_EVENT_QP_QPN_S);
- phy_port = roce_get_field(aeqe->event.queue_event.num,
- HNS_ROCE_AEQE_EVENT_QP_EVENT_PORT_NUM_M,
- HNS_ROCE_AEQE_EVENT_QP_EVENT_PORT_NUM_S);
- if (qpn <= 1)
- qpn = HNS_ROCE_MAX_PORTS * qpn + phy_port;
-
- switch (event_type) {
- case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR:
- dev_warn(dev, "Invalid Req Local Work Queue Error.\n"
- "QP %d, phy_port %d.\n", qpn, phy_port);
- break;
- case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR:
- hns_roce_v1_wq_catas_err_handle(hr_dev, aeqe, qpn);
- break;
- case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR:
- hns_roce_v1_local_wq_access_err_handle(hr_dev, aeqe, qpn);
- break;
- default:
- break;
- }
-
- hns_roce_qp_event(hr_dev, qpn, event_type);
-}
-
-static void hns_roce_v1_cq_err_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe,
- int event_type)
-{
- struct device *dev = &hr_dev->pdev->dev;
- u32 cqn;
-
- cqn = roce_get_field(aeqe->event.queue_event.num,
- HNS_ROCE_AEQE_EVENT_CQ_EVENT_CQ_CQN_M,
- HNS_ROCE_AEQE_EVENT_CQ_EVENT_CQ_CQN_S);
-
- switch (event_type) {
- case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR:
- dev_warn(dev, "CQ 0x%x access err.\n", cqn);
- break;
- case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW:
- dev_warn(dev, "CQ 0x%x overflow\n", cqn);
- break;
- case HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID:
- dev_warn(dev, "CQ 0x%x ID invalid.\n", cqn);
- break;
- default:
- break;
- }
-
- hns_roce_cq_event(hr_dev, cqn, event_type);
-}
-
-static void hns_roce_v1_db_overflow_handle(struct hns_roce_dev *hr_dev,
- struct hns_roce_aeqe *aeqe)
-{
- struct device *dev = &hr_dev->pdev->dev;
-
- switch (roce_get_field(aeqe->asyn, HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_M,
- HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_S)) {
- case HNS_ROCE_DB_SUBTYPE_SDB_OVF:
- dev_warn(dev, "SDB overflow.\n");
- break;
- case HNS_ROCE_DB_SUBTYPE_SDB_ALM_OVF:
- dev_warn(dev, "SDB almost overflow.\n");
- break;
- case HNS_ROCE_DB_SUBTYPE_SDB_ALM_EMP:
- dev_warn(dev, "SDB almost empty.\n");
- break;
- case HNS_ROCE_DB_SUBTYPE_ODB_OVF:
- dev_warn(dev, "ODB overflow.\n");
- break;
- case HNS_ROCE_DB_SUBTYPE_ODB_ALM_OVF:
- dev_warn(dev, "ODB almost overflow.\n");
- break;
- case HNS_ROCE_DB_SUBTYPE_ODB_ALM_EMP:
- dev_warn(dev, "SDB almost empty.\n");
- break;
- default:
- break;
- }
-}
-
-static struct hns_roce_aeqe *get_aeqe_v1(struct hns_roce_eq *eq, u32 entry)
-{
- unsigned long off = (entry & (eq->entries - 1)) * HNS_ROCE_AEQE_SIZE;
-
- return (struct hns_roce_aeqe *)((u8 *)
- (eq->buf_list[off / HNS_ROCE_BA_SIZE].buf) +
- off % HNS_ROCE_BA_SIZE);
-}
-
-static struct hns_roce_aeqe *next_aeqe_sw_v1(struct hns_roce_eq *eq)
-{
- struct hns_roce_aeqe *aeqe = get_aeqe_v1(eq, eq->cons_index);
-
- return (roce_get_bit(aeqe->asyn, HNS_ROCE_AEQE_U32_4_OWNER_S) ^
- !!(eq->cons_index & eq->entries)) ? aeqe : NULL;
-}
-
-static int hns_roce_v1_aeq_int(struct hns_roce_dev *hr_dev,
- struct hns_roce_eq *eq)
-{
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_aeqe *aeqe;
- int aeqes_found = 0;
- int event_type;
-
- while ((aeqe = next_aeqe_sw_v1(eq))) {
- /* Make sure we read the AEQ entry after we have checked the
- * ownership bit
- */
- dma_rmb();
-
- dev_dbg(dev, "aeqe = %pK, aeqe->asyn.event_type = 0x%lx\n",
- aeqe,
- roce_get_field(aeqe->asyn,
- HNS_ROCE_AEQE_U32_4_EVENT_TYPE_M,
- HNS_ROCE_AEQE_U32_4_EVENT_TYPE_S));
- event_type = roce_get_field(aeqe->asyn,
- HNS_ROCE_AEQE_U32_4_EVENT_TYPE_M,
- HNS_ROCE_AEQE_U32_4_EVENT_TYPE_S);
- switch (event_type) {
- case HNS_ROCE_EVENT_TYPE_PATH_MIG:
- dev_warn(dev, "PATH MIG not supported\n");
- break;
- case HNS_ROCE_EVENT_TYPE_COMM_EST:
- dev_warn(dev, "COMMUNICATION established\n");
- break;
- case HNS_ROCE_EVENT_TYPE_SQ_DRAINED:
- dev_warn(dev, "SQ DRAINED not supported\n");
- break;
- case HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED:
- dev_warn(dev, "PATH MIG failed\n");
- break;
- case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR:
- case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR:
- case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR:
- hns_roce_v1_qp_err_handle(hr_dev, aeqe, event_type);
- break;
- case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH:
- case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR:
- case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH:
- dev_warn(dev, "SRQ not support!\n");
- break;
- case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR:
- case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW:
- case HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID:
- hns_roce_v1_cq_err_handle(hr_dev, aeqe, event_type);
- break;
- case HNS_ROCE_EVENT_TYPE_PORT_CHANGE:
- dev_warn(dev, "port change.\n");
- break;
- case HNS_ROCE_EVENT_TYPE_MB:
- hns_roce_cmd_event(hr_dev,
- le16_to_cpu(aeqe->event.cmd.token),
- aeqe->event.cmd.status,
- le64_to_cpu(aeqe->event.cmd.out_param
- ));
- break;
- case HNS_ROCE_EVENT_TYPE_DB_OVERFLOW:
- hns_roce_v1_db_overflow_handle(hr_dev, aeqe);
- break;
- default:
- dev_warn(dev, "Unhandled event %d on EQ %d at idx %u.\n",
- event_type, eq->eqn, eq->cons_index);
- break;
- }
-
- eq->cons_index++;
- aeqes_found = 1;
-
- if (eq->cons_index > 2 * hr_dev->caps.aeqe_depth - 1)
- eq->cons_index = 0;
- }
-
- set_eq_cons_index_v1(eq, 0);
-
- return aeqes_found;
-}
-
-static struct hns_roce_ceqe *get_ceqe_v1(struct hns_roce_eq *eq, u32 entry)
-{
- unsigned long off = (entry & (eq->entries - 1)) * HNS_ROCE_CEQE_SIZE;
-
- return (struct hns_roce_ceqe *)((u8 *)
- (eq->buf_list[off / HNS_ROCE_BA_SIZE].buf) +
- off % HNS_ROCE_BA_SIZE);
-}
-
-static struct hns_roce_ceqe *next_ceqe_sw_v1(struct hns_roce_eq *eq)
-{
- struct hns_roce_ceqe *ceqe = get_ceqe_v1(eq, eq->cons_index);
-
- return (!!(roce_get_bit(ceqe->comp,
- HNS_ROCE_CEQE_CEQE_COMP_OWNER_S))) ^
- (!!(eq->cons_index & eq->entries)) ? ceqe : NULL;
-}
-
-static int hns_roce_v1_ceq_int(struct hns_roce_dev *hr_dev,
- struct hns_roce_eq *eq)
-{
- struct hns_roce_ceqe *ceqe;
- int ceqes_found = 0;
- u32 cqn;
-
- while ((ceqe = next_ceqe_sw_v1(eq))) {
- /* Make sure we read CEQ entry after we have checked the
- * ownership bit
- */
- dma_rmb();
-
- cqn = roce_get_field(ceqe->comp,
- HNS_ROCE_CEQE_CEQE_COMP_CQN_M,
- HNS_ROCE_CEQE_CEQE_COMP_CQN_S);
- hns_roce_cq_completion(hr_dev, cqn);
-
- ++eq->cons_index;
- ceqes_found = 1;
-
- if (eq->cons_index >
- EQ_DEPTH_COEFF * hr_dev->caps.ceqe_depth - 1)
- eq->cons_index = 0;
- }
-
- set_eq_cons_index_v1(eq, 0);
-
- return ceqes_found;
-}
-
-static irqreturn_t hns_roce_v1_msix_interrupt_eq(int irq, void *eq_ptr)
-{
- struct hns_roce_eq *eq = eq_ptr;
- struct hns_roce_dev *hr_dev = eq->hr_dev;
- int int_work;
-
- if (eq->type_flag == HNS_ROCE_CEQ)
- /* CEQ irq routine, CEQ is pulse irq, not clear */
- int_work = hns_roce_v1_ceq_int(hr_dev, eq);
- else
- /* AEQ irq routine, AEQ is pulse irq, not clear */
- int_work = hns_roce_v1_aeq_int(hr_dev, eq);
-
- return IRQ_RETVAL(int_work);
-}
-
-static irqreturn_t hns_roce_v1_msix_interrupt_abn(int irq, void *dev_id)
-{
- struct hns_roce_dev *hr_dev = dev_id;
- struct device *dev = &hr_dev->pdev->dev;
- int int_work = 0;
- u32 caepaemask_val;
- u32 cealmovf_val;
- u32 caepaest_val;
- u32 aeshift_val;
- u32 ceshift_val;
- u32 cemask_val;
- __le32 tmp;
- int i;
-
- /*
- * Abnormal interrupt:
- * AEQ overflow, ECC multi-bit err, CEQ overflow must clear
- * interrupt, mask irq, clear irq, cancel mask operation
- */
- aeshift_val = roce_read(hr_dev, ROCEE_CAEP_AEQC_AEQE_SHIFT_REG);
- tmp = cpu_to_le32(aeshift_val);
-
- /* AEQE overflow */
- if (roce_get_bit(tmp,
- ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQ_ALM_OVF_INT_ST_S) == 1) {
- dev_warn(dev, "AEQ overflow!\n");
-
- /* Set mask */
- caepaemask_val = roce_read(hr_dev, ROCEE_CAEP_AE_MASK_REG);
- tmp = cpu_to_le32(caepaemask_val);
- roce_set_bit(tmp, ROCEE_CAEP_AE_MASK_CAEP_AEQ_ALM_OVF_MASK_S,
- HNS_ROCE_INT_MASK_ENABLE);
- caepaemask_val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_CAEP_AE_MASK_REG, caepaemask_val);
-
- /* Clear int state(INT_WC : write 1 clear) */
- caepaest_val = roce_read(hr_dev, ROCEE_CAEP_AE_ST_REG);
- tmp = cpu_to_le32(caepaest_val);
- roce_set_bit(tmp, ROCEE_CAEP_AE_ST_CAEP_AEQ_ALM_OVF_S, 1);
- caepaest_val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_CAEP_AE_ST_REG, caepaest_val);
-
- /* Clear mask */
- caepaemask_val = roce_read(hr_dev, ROCEE_CAEP_AE_MASK_REG);
- tmp = cpu_to_le32(caepaemask_val);
- roce_set_bit(tmp, ROCEE_CAEP_AE_MASK_CAEP_AEQ_ALM_OVF_MASK_S,
- HNS_ROCE_INT_MASK_DISABLE);
- caepaemask_val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_CAEP_AE_MASK_REG, caepaemask_val);
- }
-
- /* CEQ almost overflow */
- for (i = 0; i < hr_dev->caps.num_comp_vectors; i++) {
- ceshift_val = roce_read(hr_dev, ROCEE_CAEP_CEQC_SHIFT_0_REG +
- i * CEQ_REG_OFFSET);
- tmp = cpu_to_le32(ceshift_val);
-
- if (roce_get_bit(tmp,
- ROCEE_CAEP_CEQC_SHIFT_CAEP_CEQ_ALM_OVF_INT_ST_S) == 1) {
- dev_warn(dev, "CEQ[%d] almost overflow!\n", i);
- int_work++;
-
- /* Set mask */
- cemask_val = roce_read(hr_dev,
- ROCEE_CAEP_CE_IRQ_MASK_0_REG +
- i * CEQ_REG_OFFSET);
- tmp = cpu_to_le32(cemask_val);
- roce_set_bit(tmp,
- ROCEE_CAEP_CE_IRQ_MASK_CAEP_CEQ_ALM_OVF_MASK_S,
- HNS_ROCE_INT_MASK_ENABLE);
- cemask_val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_CAEP_CE_IRQ_MASK_0_REG +
- i * CEQ_REG_OFFSET, cemask_val);
-
- /* Clear int state(INT_WC : write 1 clear) */
- cealmovf_val = roce_read(hr_dev,
- ROCEE_CAEP_CEQ_ALM_OVF_0_REG +
- i * CEQ_REG_OFFSET);
- tmp = cpu_to_le32(cealmovf_val);
- roce_set_bit(tmp,
- ROCEE_CAEP_CEQ_ALM_OVF_CAEP_CEQ_ALM_OVF_S,
- 1);
- cealmovf_val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_CAEP_CEQ_ALM_OVF_0_REG +
- i * CEQ_REG_OFFSET, cealmovf_val);
-
- /* Clear mask */
- cemask_val = roce_read(hr_dev,
- ROCEE_CAEP_CE_IRQ_MASK_0_REG +
- i * CEQ_REG_OFFSET);
- tmp = cpu_to_le32(cemask_val);
- roce_set_bit(tmp,
- ROCEE_CAEP_CE_IRQ_MASK_CAEP_CEQ_ALM_OVF_MASK_S,
- HNS_ROCE_INT_MASK_DISABLE);
- cemask_val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_CAEP_CE_IRQ_MASK_0_REG +
- i * CEQ_REG_OFFSET, cemask_val);
- }
- }
-
- /* ECC multi-bit error alarm */
- dev_warn(dev, "ECC UCERR ALARM: 0x%x, 0x%x, 0x%x\n",
- roce_read(hr_dev, ROCEE_ECC_UCERR_ALM0_REG),
- roce_read(hr_dev, ROCEE_ECC_UCERR_ALM1_REG),
- roce_read(hr_dev, ROCEE_ECC_UCERR_ALM2_REG));
-
- dev_warn(dev, "ECC CERR ALARM: 0x%x, 0x%x, 0x%x\n",
- roce_read(hr_dev, ROCEE_ECC_CERR_ALM0_REG),
- roce_read(hr_dev, ROCEE_ECC_CERR_ALM1_REG),
- roce_read(hr_dev, ROCEE_ECC_CERR_ALM2_REG));
-
- return IRQ_RETVAL(int_work);
-}
-
-static void hns_roce_v1_int_mask_enable(struct hns_roce_dev *hr_dev)
-{
- u32 aemask_val;
- int masken = 0;
- __le32 tmp;
- int i;
-
- /* AEQ INT */
- aemask_val = roce_read(hr_dev, ROCEE_CAEP_AE_MASK_REG);
- tmp = cpu_to_le32(aemask_val);
- roce_set_bit(tmp, ROCEE_CAEP_AE_MASK_CAEP_AEQ_ALM_OVF_MASK_S,
- masken);
- roce_set_bit(tmp, ROCEE_CAEP_AE_MASK_CAEP_AE_IRQ_MASK_S, masken);
- aemask_val = le32_to_cpu(tmp);
- roce_write(hr_dev, ROCEE_CAEP_AE_MASK_REG, aemask_val);
-
- /* CEQ INT */
- for (i = 0; i < hr_dev->caps.num_comp_vectors; i++) {
- /* IRQ mask */
- roce_write(hr_dev, ROCEE_CAEP_CE_IRQ_MASK_0_REG +
- i * CEQ_REG_OFFSET, masken);
- }
-}
-
-static void hns_roce_v1_free_eq(struct hns_roce_dev *hr_dev,
- struct hns_roce_eq *eq)
-{
- int npages = (PAGE_ALIGN(eq->eqe_size * eq->entries) +
- HNS_ROCE_BA_SIZE - 1) / HNS_ROCE_BA_SIZE;
- int i;
-
- if (!eq->buf_list)
- return;
-
- for (i = 0; i < npages; ++i)
- dma_free_coherent(&hr_dev->pdev->dev, HNS_ROCE_BA_SIZE,
- eq->buf_list[i].buf, eq->buf_list[i].map);
-
- kfree(eq->buf_list);
-}
-
-static void hns_roce_v1_enable_eq(struct hns_roce_dev *hr_dev, int eq_num,
- int enable_flag)
-{
- void __iomem *eqc = hr_dev->eq_table.eqc_base[eq_num];
- __le32 tmp;
- u32 val;
-
- val = readl(eqc);
- tmp = cpu_to_le32(val);
-
- if (enable_flag)
- roce_set_field(tmp,
- ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M,
- ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_S,
- HNS_ROCE_EQ_STAT_VALID);
- else
- roce_set_field(tmp,
- ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M,
- ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_S,
- HNS_ROCE_EQ_STAT_INVALID);
-
- val = le32_to_cpu(tmp);
- writel(val, eqc);
-}
-
-static int hns_roce_v1_create_eq(struct hns_roce_dev *hr_dev,
- struct hns_roce_eq *eq)
-{
- void __iomem *eqc = hr_dev->eq_table.eqc_base[eq->eqn];
- struct device *dev = &hr_dev->pdev->dev;
- dma_addr_t tmp_dma_addr;
- u32 eqcuridx_val;
- u32 eqconsindx_val;
- u32 eqshift_val;
- __le32 tmp2 = 0;
- __le32 tmp1 = 0;
- __le32 tmp = 0;
- int num_bas;
- int ret;
- int i;
-
- num_bas = (PAGE_ALIGN(eq->entries * eq->eqe_size) +
- HNS_ROCE_BA_SIZE - 1) / HNS_ROCE_BA_SIZE;
-
- if ((eq->entries * eq->eqe_size) > HNS_ROCE_BA_SIZE) {
- dev_err(dev, "[error]eq buf %d gt ba size(%d) need bas=%d\n",
- (eq->entries * eq->eqe_size), HNS_ROCE_BA_SIZE,
- num_bas);
- return -EINVAL;
- }
-
- eq->buf_list = kcalloc(num_bas, sizeof(*eq->buf_list), GFP_KERNEL);
- if (!eq->buf_list)
- return -ENOMEM;
-
- for (i = 0; i < num_bas; ++i) {
- eq->buf_list[i].buf = dma_alloc_coherent(dev, HNS_ROCE_BA_SIZE,
- &tmp_dma_addr,
- GFP_KERNEL);
- if (!eq->buf_list[i].buf) {
- ret = -ENOMEM;
- goto err_out_free_pages;
- }
-
- eq->buf_list[i].map = tmp_dma_addr;
- }
- eq->cons_index = 0;
- roce_set_field(tmp, ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M,
- ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_S,
- HNS_ROCE_EQ_STAT_INVALID);
- roce_set_field(tmp, ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_AEQE_SHIFT_M,
- ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_AEQE_SHIFT_S,
- eq->log_entries);
- eqshift_val = le32_to_cpu(tmp);
- writel(eqshift_val, eqc);
-
- /* Configure eq extended address 12~44bit */
- writel((u32)(eq->buf_list[0].map >> 12), eqc + 4);
-
- /*
- * Configure eq extended address 45~49 bit.
- * 44 = 32 + 12, When evaluating addr to hardware, shift 12 because of
- * using 4K page, and shift more 32 because of
- * calculating the high 32 bit value evaluated to hardware.
- */
- roce_set_field(tmp1, ROCEE_CAEP_AEQE_CUR_IDX_CAEP_AEQ_BT_H_M,
- ROCEE_CAEP_AEQE_CUR_IDX_CAEP_AEQ_BT_H_S,
- eq->buf_list[0].map >> 44);
- roce_set_field(tmp1, ROCEE_CAEP_AEQE_CUR_IDX_CAEP_AEQE_CUR_IDX_M,
- ROCEE_CAEP_AEQE_CUR_IDX_CAEP_AEQE_CUR_IDX_S, 0);
- eqcuridx_val = le32_to_cpu(tmp1);
- writel(eqcuridx_val, eqc + 8);
-
- /* Configure eq consumer index */
- roce_set_field(tmp2, ROCEE_CAEP_AEQE_CONS_IDX_CAEP_AEQE_CONS_IDX_M,
- ROCEE_CAEP_AEQE_CONS_IDX_CAEP_AEQE_CONS_IDX_S, 0);
- eqconsindx_val = le32_to_cpu(tmp2);
- writel(eqconsindx_val, eqc + 0xc);
-
- return 0;
-
-err_out_free_pages:
- for (i -= 1; i >= 0; i--)
- dma_free_coherent(dev, HNS_ROCE_BA_SIZE, eq->buf_list[i].buf,
- eq->buf_list[i].map);
-
- kfree(eq->buf_list);
- return ret;
-}
-
-static int hns_roce_v1_init_eq_table(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_eq_table *eq_table = &hr_dev->eq_table;
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_eq *eq;
- int irq_num;
- int eq_num;
- int ret;
- int i, j;
-
- eq_num = hr_dev->caps.num_comp_vectors + hr_dev->caps.num_aeq_vectors;
- irq_num = eq_num + hr_dev->caps.num_other_vectors;
-
- eq_table->eq = kcalloc(eq_num, sizeof(*eq_table->eq), GFP_KERNEL);
- if (!eq_table->eq)
- return -ENOMEM;
-
- eq_table->eqc_base = kcalloc(eq_num, sizeof(*eq_table->eqc_base),
- GFP_KERNEL);
- if (!eq_table->eqc_base) {
- ret = -ENOMEM;
- goto err_eqc_base_alloc_fail;
- }
-
- for (i = 0; i < eq_num; i++) {
- eq = &eq_table->eq[i];
- eq->hr_dev = hr_dev;
- eq->eqn = i;
- eq->irq = hr_dev->irq[i];
- eq->log_page_size = PAGE_SHIFT;
-
- if (i < hr_dev->caps.num_comp_vectors) {
- /* CEQ */
- eq_table->eqc_base[i] = hr_dev->reg_base +
- ROCEE_CAEP_CEQC_SHIFT_0_REG +
- CEQ_REG_OFFSET * i;
- eq->type_flag = HNS_ROCE_CEQ;
- eq->db_reg = hr_dev->reg_base +
- ROCEE_CAEP_CEQC_CONS_IDX_0_REG +
- CEQ_REG_OFFSET * i;
- eq->entries = hr_dev->caps.ceqe_depth;
- eq->log_entries = ilog2(eq->entries);
- eq->eqe_size = HNS_ROCE_CEQE_SIZE;
- } else {
- /* AEQ */
- eq_table->eqc_base[i] = hr_dev->reg_base +
- ROCEE_CAEP_AEQC_AEQE_SHIFT_REG;
- eq->type_flag = HNS_ROCE_AEQ;
- eq->db_reg = hr_dev->reg_base +
- ROCEE_CAEP_AEQE_CONS_IDX_REG;
- eq->entries = hr_dev->caps.aeqe_depth;
- eq->log_entries = ilog2(eq->entries);
- eq->eqe_size = HNS_ROCE_AEQE_SIZE;
- }
- }
-
- /* Disable irq */
- hns_roce_v1_int_mask_enable(hr_dev);
-
- /* Configure ce int interval */
- roce_write(hr_dev, ROCEE_CAEP_CE_INTERVAL_CFG_REG,
- HNS_ROCE_CEQ_DEFAULT_INTERVAL);
-
- /* Configure ce int burst num */
- roce_write(hr_dev, ROCEE_CAEP_CE_BURST_NUM_CFG_REG,
- HNS_ROCE_CEQ_DEFAULT_BURST_NUM);
-
- for (i = 0; i < eq_num; i++) {
- ret = hns_roce_v1_create_eq(hr_dev, &eq_table->eq[i]);
- if (ret) {
- dev_err(dev, "eq create failed\n");
- goto err_create_eq_fail;
- }
- }
-
- for (j = 0; j < irq_num; j++) {
- if (j < eq_num)
- ret = request_irq(hr_dev->irq[j],
- hns_roce_v1_msix_interrupt_eq, 0,
- hr_dev->irq_names[j],
- &eq_table->eq[j]);
- else
- ret = request_irq(hr_dev->irq[j],
- hns_roce_v1_msix_interrupt_abn, 0,
- hr_dev->irq_names[j], hr_dev);
-
- if (ret) {
- dev_err(dev, "request irq error!\n");
- goto err_request_irq_fail;
- }
- }
-
- for (i = 0; i < eq_num; i++)
- hns_roce_v1_enable_eq(hr_dev, i, EQ_ENABLE);
-
- return 0;
-
-err_request_irq_fail:
- for (j -= 1; j >= 0; j--)
- free_irq(hr_dev->irq[j], &eq_table->eq[j]);
-
-err_create_eq_fail:
- for (i -= 1; i >= 0; i--)
- hns_roce_v1_free_eq(hr_dev, &eq_table->eq[i]);
-
- kfree(eq_table->eqc_base);
-
-err_eqc_base_alloc_fail:
- kfree(eq_table->eq);
-
- return ret;
-}
-
-static void hns_roce_v1_cleanup_eq_table(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_eq_table *eq_table = &hr_dev->eq_table;
- int irq_num;
- int eq_num;
- int i;
-
- eq_num = hr_dev->caps.num_comp_vectors + hr_dev->caps.num_aeq_vectors;
- irq_num = eq_num + hr_dev->caps.num_other_vectors;
- for (i = 0; i < eq_num; i++) {
- /* Disable EQ */
- hns_roce_v1_enable_eq(hr_dev, i, EQ_DISABLE);
-
- free_irq(hr_dev->irq[i], &eq_table->eq[i]);
-
- hns_roce_v1_free_eq(hr_dev, &eq_table->eq[i]);
- }
- for (i = eq_num; i < irq_num; i++)
- free_irq(hr_dev->irq[i], hr_dev);
-
- kfree(eq_table->eqc_base);
- kfree(eq_table->eq);
-}
-
-static const struct ib_device_ops hns_roce_v1_dev_ops = {
- .destroy_qp = hns_roce_v1_destroy_qp,
- .poll_cq = hns_roce_v1_poll_cq,
- .post_recv = hns_roce_v1_post_recv,
- .post_send = hns_roce_v1_post_send,
- .query_qp = hns_roce_v1_query_qp,
- .req_notify_cq = hns_roce_v1_req_notify_cq,
-};
-
-static const struct hns_roce_hw hns_roce_hw_v1 = {
- .reset = hns_roce_v1_reset,
- .hw_profile = hns_roce_v1_profile,
- .hw_init = hns_roce_v1_init,
- .hw_exit = hns_roce_v1_exit,
- .post_mbox = hns_roce_v1_post_mbox,
- .poll_mbox_done = hns_roce_v1_chk_mbox,
- .set_gid = hns_roce_v1_set_gid,
- .set_mac = hns_roce_v1_set_mac,
- .set_mtu = hns_roce_v1_set_mtu,
- .write_mtpt = hns_roce_v1_write_mtpt,
- .write_cqc = hns_roce_v1_write_cqc,
- .set_hem = hns_roce_v1_set_hem,
- .clear_hem = hns_roce_v1_clear_hem,
- .modify_qp = hns_roce_v1_modify_qp,
- .dereg_mr = hns_roce_v1_dereg_mr,
- .destroy_cq = hns_roce_v1_destroy_cq,
- .init_eq = hns_roce_v1_init_eq_table,
- .cleanup_eq = hns_roce_v1_cleanup_eq_table,
- .hns_roce_dev_ops = &hns_roce_v1_dev_ops,
-};
-
-static const struct of_device_id hns_roce_of_match[] = {
- { .compatible = "hisilicon,hns-roce-v1", .data = &hns_roce_hw_v1, },
- {},
-};
-MODULE_DEVICE_TABLE(of, hns_roce_of_match);
-
-static const struct acpi_device_id hns_roce_acpi_match[] = {
- { "HISI00D1", (kernel_ulong_t)&hns_roce_hw_v1 },
- {},
-};
-MODULE_DEVICE_TABLE(acpi, hns_roce_acpi_match);
-
-static struct
-platform_device *hns_roce_find_pdev(struct fwnode_handle *fwnode)
-{
- struct device *dev;
-
- /* get the 'device' corresponding to the matching 'fwnode' */
- dev = bus_find_device_by_fwnode(&platform_bus_type, fwnode);
- /* get the platform device */
- return dev ? to_platform_device(dev) : NULL;
-}
-
-static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev)
-{
- struct device *dev = &hr_dev->pdev->dev;
- struct platform_device *pdev = NULL;
- struct net_device *netdev = NULL;
- struct device_node *net_node;
- int port_cnt = 0;
- u8 phy_port;
- int ret;
- int i;
-
- /* check if we are compatible with the underlying SoC */
- if (dev_of_node(dev)) {
- const struct of_device_id *of_id;
-
- of_id = of_match_node(hns_roce_of_match, dev->of_node);
- if (!of_id) {
- dev_err(dev, "device is not compatible!\n");
- return -ENXIO;
- }
- hr_dev->hw = (const struct hns_roce_hw *)of_id->data;
- if (!hr_dev->hw) {
- dev_err(dev, "couldn't get H/W specific DT data!\n");
- return -ENXIO;
- }
- } else if (is_acpi_device_node(dev->fwnode)) {
- const struct acpi_device_id *acpi_id;
-
- acpi_id = acpi_match_device(hns_roce_acpi_match, dev);
- if (!acpi_id) {
- dev_err(dev, "device is not compatible!\n");
- return -ENXIO;
- }
- hr_dev->hw = (const struct hns_roce_hw *) acpi_id->driver_data;
- if (!hr_dev->hw) {
- dev_err(dev, "couldn't get H/W specific ACPI data!\n");
- return -ENXIO;
- }
- } else {
- dev_err(dev, "can't read compatibility data from DT or ACPI\n");
- return -ENXIO;
- }
-
- /* get the mapped register base address */
- hr_dev->reg_base = devm_platform_ioremap_resource(hr_dev->pdev, 0);
- if (IS_ERR(hr_dev->reg_base))
- return PTR_ERR(hr_dev->reg_base);
-
- /* read the node_guid of IB device from the DT or ACPI */
- ret = device_property_read_u8_array(dev, "node-guid",
- (u8 *)&hr_dev->ib_dev.node_guid,
- GUID_LEN);
- if (ret) {
- dev_err(dev, "couldn't get node_guid from DT or ACPI!\n");
- return ret;
- }
-
- /* get the RoCE associated ethernet ports or netdevices */
- for (i = 0; i < HNS_ROCE_MAX_PORTS; i++) {
- if (dev_of_node(dev)) {
- net_node = of_parse_phandle(dev->of_node, "eth-handle",
- i);
- if (!net_node)
- continue;
- pdev = of_find_device_by_node(net_node);
- } else if (is_acpi_device_node(dev->fwnode)) {
- struct fwnode_reference_args args;
-
- ret = acpi_node_get_property_reference(dev->fwnode,
- "eth-handle",
- i, &args);
- if (ret)
- continue;
- pdev = hns_roce_find_pdev(args.fwnode);
- } else {
- dev_err(dev, "cannot read data from DT or ACPI\n");
- return -ENXIO;
- }
-
- if (pdev) {
- netdev = platform_get_drvdata(pdev);
- phy_port = (u8)i;
- if (netdev) {
- hr_dev->iboe.netdevs[port_cnt] = netdev;
- hr_dev->iboe.phy_port[port_cnt] = phy_port;
- } else {
- dev_err(dev, "no netdev found with pdev %s\n",
- pdev->name);
- return -ENODEV;
- }
- port_cnt++;
- }
- }
-
- if (port_cnt == 0) {
- dev_err(dev, "unable to get eth-handle for available ports!\n");
- return -EINVAL;
- }
-
- hr_dev->caps.num_ports = port_cnt;
-
- /* cmd issue mode: 0 is poll, 1 is event */
- hr_dev->cmd_mod = 1;
- hr_dev->loop_idc = 0;
- hr_dev->sdb_offset = ROCEE_DB_SQ_L_0_REG;
- hr_dev->odb_offset = ROCEE_DB_OTHERS_L_0_REG;
-
- /* read the interrupt names from the DT or ACPI */
- ret = device_property_read_string_array(dev, "interrupt-names",
- hr_dev->irq_names,
- HNS_ROCE_V1_MAX_IRQ_NUM);
- if (ret < 0) {
- dev_err(dev, "couldn't get interrupt names from DT or ACPI!\n");
- return ret;
- }
-
- /* fetch the interrupt numbers */
- for (i = 0; i < HNS_ROCE_V1_MAX_IRQ_NUM; i++) {
- hr_dev->irq[i] = platform_get_irq(hr_dev->pdev, i);
- if (hr_dev->irq[i] <= 0)
- return -EINVAL;
- }
-
- return 0;
-}
-
-/**
- * hns_roce_probe - RoCE driver entrance
- * @pdev: pointer to platform device
- * Return : int
- *
- */
-static int hns_roce_probe(struct platform_device *pdev)
-{
- int ret;
- struct hns_roce_dev *hr_dev;
- struct device *dev = &pdev->dev;
-
- hr_dev = ib_alloc_device(hns_roce_dev, ib_dev);
- if (!hr_dev)
- return -ENOMEM;
-
- hr_dev->priv = kzalloc(sizeof(struct hns_roce_v1_priv), GFP_KERNEL);
- if (!hr_dev->priv) {
- ret = -ENOMEM;
- goto error_failed_kzalloc;
- }
-
- hr_dev->pdev = pdev;
- hr_dev->dev = dev;
- platform_set_drvdata(pdev, hr_dev);
-
- if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64ULL)) &&
- dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32ULL))) {
- dev_err(dev, "Not usable DMA addressing mode\n");
- ret = -EIO;
- goto error_failed_get_cfg;
- }
-
- ret = hns_roce_get_cfg(hr_dev);
- if (ret) {
- dev_err(dev, "Get Configuration failed!\n");
- goto error_failed_get_cfg;
- }
-
- ret = hns_roce_init(hr_dev);
- if (ret) {
- dev_err(dev, "RoCE engine init failed!\n");
- goto error_failed_get_cfg;
- }
-
- return 0;
-
-error_failed_get_cfg:
- kfree(hr_dev->priv);
-
-error_failed_kzalloc:
- ib_dealloc_device(&hr_dev->ib_dev);
-
- return ret;
-}
-
-/**
- * hns_roce_remove - remove RoCE device
- * @pdev: pointer to platform device
- */
-static int hns_roce_remove(struct platform_device *pdev)
-{
- struct hns_roce_dev *hr_dev = platform_get_drvdata(pdev);
-
- hns_roce_exit(hr_dev);
- kfree(hr_dev->priv);
- ib_dealloc_device(&hr_dev->ib_dev);
-
- return 0;
-}
-
-static struct platform_driver hns_roce_driver = {
- .probe = hns_roce_probe,
- .remove = hns_roce_remove,
- .driver = {
- .name = DRV_NAME,
- .of_match_table = hns_roce_of_match,
- .acpi_match_table = ACPI_PTR(hns_roce_acpi_match),
- },
-};
-
-module_platform_driver(hns_roce_driver);
-
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_AUTHOR("Wei Hu <xavier.huwei@huawei.com>");
-MODULE_AUTHOR("Nenglong Zhao <zhaonenglong@hisilicon.com>");
-MODULE_AUTHOR("Lijun Ou <oulijun@huawei.com>");
-MODULE_DESCRIPTION("Hisilicon Hip06 Family RoCE Driver");
+++ /dev/null
-/*
- * Copyright (c) 2016 Hisilicon Limited.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef _HNS_ROCE_HW_V1_H
-#define _HNS_ROCE_HW_V1_H
-
-#define CQ_STATE_VALID 2
-
-#define HNS_ROCE_V1_MAX_PD_NUM 0x8000
-#define HNS_ROCE_V1_MAX_CQ_NUM 0x10000
-#define HNS_ROCE_V1_MAX_CQE_NUM 0x8000
-
-#define HNS_ROCE_V1_MAX_QP_NUM 0x40000
-#define HNS_ROCE_V1_MAX_WQE_NUM 0x4000
-
-#define HNS_ROCE_V1_MAX_MTPT_NUM 0x80000
-
-#define HNS_ROCE_V1_MAX_MTT_SEGS 0x100000
-
-#define HNS_ROCE_V1_MAX_QP_INIT_RDMA 128
-#define HNS_ROCE_V1_MAX_QP_DEST_RDMA 128
-
-#define HNS_ROCE_V1_MAX_SQ_DESC_SZ 64
-#define HNS_ROCE_V1_MAX_RQ_DESC_SZ 64
-#define HNS_ROCE_V1_SG_NUM 2
-#define HNS_ROCE_V1_INLINE_SIZE 32
-
-#define HNS_ROCE_V1_UAR_NUM 256
-#define HNS_ROCE_V1_PHY_UAR_NUM 8
-
-#define HNS_ROCE_V1_GID_NUM 16
-#define HNS_ROCE_V1_RESV_QP 8
-
-#define HNS_ROCE_V1_MAX_IRQ_NUM 34
-#define HNS_ROCE_V1_COMP_VEC_NUM 32
-#define HNS_ROCE_V1_AEQE_VEC_NUM 1
-#define HNS_ROCE_V1_ABNORMAL_VEC_NUM 1
-
-#define HNS_ROCE_V1_COMP_EQE_NUM 0x8000
-#define HNS_ROCE_V1_ASYNC_EQE_NUM 0x400
-
-#define HNS_ROCE_V1_QPC_SIZE 256
-#define HNS_ROCE_V1_IRRL_ENTRY_SIZE 8
-#define HNS_ROCE_V1_CQC_ENTRY_SIZE 64
-#define HNS_ROCE_V1_MTPT_ENTRY_SIZE 64
-#define HNS_ROCE_V1_MTT_ENTRY_SIZE 64
-
-#define HNS_ROCE_V1_CQE_SIZE 32
-#define HNS_ROCE_V1_PAGE_SIZE_SUPPORT 0xFFFFF000
-
-#define HNS_ROCE_V1_TABLE_CHUNK_SIZE (1 << 17)
-
-#define HNS_ROCE_V1_EXT_RAQ_WF 8
-#define HNS_ROCE_V1_RAQ_ENTRY 64
-#define HNS_ROCE_V1_RAQ_DEPTH 32768
-#define HNS_ROCE_V1_RAQ_SIZE (HNS_ROCE_V1_RAQ_ENTRY * HNS_ROCE_V1_RAQ_DEPTH)
-
-#define HNS_ROCE_V1_SDB_DEPTH 0x400
-#define HNS_ROCE_V1_ODB_DEPTH 0x400
-
-#define HNS_ROCE_V1_DB_RSVD 0x80
-
-#define HNS_ROCE_V1_SDB_ALEPT HNS_ROCE_V1_DB_RSVD
-#define HNS_ROCE_V1_SDB_ALFUL (HNS_ROCE_V1_SDB_DEPTH - HNS_ROCE_V1_DB_RSVD)
-#define HNS_ROCE_V1_ODB_ALEPT HNS_ROCE_V1_DB_RSVD
-#define HNS_ROCE_V1_ODB_ALFUL (HNS_ROCE_V1_ODB_DEPTH - HNS_ROCE_V1_DB_RSVD)
-
-#define HNS_ROCE_V1_EXT_SDB_DEPTH 0x4000
-#define HNS_ROCE_V1_EXT_ODB_DEPTH 0x4000
-#define HNS_ROCE_V1_EXT_SDB_ENTRY 16
-#define HNS_ROCE_V1_EXT_ODB_ENTRY 16
-#define HNS_ROCE_V1_EXT_SDB_SIZE \
- (HNS_ROCE_V1_EXT_SDB_DEPTH * HNS_ROCE_V1_EXT_SDB_ENTRY)
-#define HNS_ROCE_V1_EXT_ODB_SIZE \
- (HNS_ROCE_V1_EXT_ODB_DEPTH * HNS_ROCE_V1_EXT_ODB_ENTRY)
-
-#define HNS_ROCE_V1_EXT_SDB_ALEPT HNS_ROCE_V1_DB_RSVD
-#define HNS_ROCE_V1_EXT_SDB_ALFUL \
- (HNS_ROCE_V1_EXT_SDB_DEPTH - HNS_ROCE_V1_DB_RSVD)
-#define HNS_ROCE_V1_EXT_ODB_ALEPT HNS_ROCE_V1_DB_RSVD
-#define HNS_ROCE_V1_EXT_ODB_ALFUL \
- (HNS_ROCE_V1_EXT_ODB_DEPTH - HNS_ROCE_V1_DB_RSVD)
-
-#define HNS_ROCE_V1_FREE_MR_TIMEOUT_MSECS 50000
-#define HNS_ROCE_V1_RECREATE_LP_QP_TIMEOUT_MSECS 10000
-#define HNS_ROCE_V1_FREE_MR_WAIT_VALUE 5
-#define HNS_ROCE_V1_RECREATE_LP_QP_WAIT_VALUE 20
-
-#define HNS_ROCE_BT_RSV_BUF_SIZE (1 << 17)
-
-#define HNS_ROCE_V1_TPTR_ENTRY_SIZE 2
-#define HNS_ROCE_V1_TPTR_BUF_SIZE \
- (HNS_ROCE_V1_TPTR_ENTRY_SIZE * HNS_ROCE_V1_MAX_CQ_NUM)
-
-#define HNS_ROCE_ODB_POLL_MODE 0
-
-#define HNS_ROCE_SDB_NORMAL_MODE 0
-#define HNS_ROCE_SDB_EXTEND_MODE 1
-
-#define HNS_ROCE_ODB_EXTEND_MODE 1
-
-#define KEY_VALID 0x02
-
-#define HNS_ROCE_CQE_QPN_MASK 0x3ffff
-#define HNS_ROCE_CQE_STATUS_MASK 0x1f
-#define HNS_ROCE_CQE_OPCODE_MASK 0xf
-
-#define HNS_ROCE_CQE_SUCCESS 0x00
-#define HNS_ROCE_CQE_SYNDROME_LOCAL_LENGTH_ERR 0x01
-#define HNS_ROCE_CQE_SYNDROME_LOCAL_QP_OP_ERR 0x02
-#define HNS_ROCE_CQE_SYNDROME_LOCAL_PROT_ERR 0x03
-#define HNS_ROCE_CQE_SYNDROME_WR_FLUSH_ERR 0x04
-#define HNS_ROCE_CQE_SYNDROME_MEM_MANAGE_OPERATE_ERR 0x05
-#define HNS_ROCE_CQE_SYNDROME_BAD_RESP_ERR 0x06
-#define HNS_ROCE_CQE_SYNDROME_LOCAL_ACCESS_ERR 0x07
-#define HNS_ROCE_CQE_SYNDROME_REMOTE_INVAL_REQ_ERR 0x08
-#define HNS_ROCE_CQE_SYNDROME_REMOTE_ACCESS_ERR 0x09
-#define HNS_ROCE_CQE_SYNDROME_REMOTE_OP_ERR 0x0a
-#define HNS_ROCE_CQE_SYNDROME_TRANSPORT_RETRY_EXC_ERR 0x0b
-#define HNS_ROCE_CQE_SYNDROME_RNR_RETRY_EXC_ERR 0x0c
-
-#define QP1C_CFGN_OFFSET 0x28
-#define PHY_PORT_OFFSET 0x8
-#define MTPT_IDX_SHIFT 16
-#define ALL_PORT_VAL_OPEN 0x3f
-#define POL_TIME_INTERVAL_VAL 0x80
-#define SLEEP_TIME_INTERVAL 20
-#define SQ_PSN_SHIFT 8
-#define QKEY_VAL 0x80010000
-#define SDB_INV_CNT_OFFSET 8
-
-#define HNS_ROCE_CEQ_DEFAULT_INTERVAL 0x10
-#define HNS_ROCE_CEQ_DEFAULT_BURST_NUM 0x10
-
-#define HNS_ROCE_INT_MASK_DISABLE 0
-#define HNS_ROCE_INT_MASK_ENABLE 1
-
-#define CEQ_REG_OFFSET 0x18
-
-#define HNS_ROCE_CEQE_CEQE_COMP_OWNER_S 0
-
-#define HNS_ROCE_V1_CONS_IDX_M GENMASK(15, 0)
-
-#define HNS_ROCE_CEQE_CEQE_COMP_CQN_S 16
-#define HNS_ROCE_CEQE_CEQE_COMP_CQN_M GENMASK(31, 16)
-
-#define HNS_ROCE_AEQE_U32_4_EVENT_TYPE_S 16
-#define HNS_ROCE_AEQE_U32_4_EVENT_TYPE_M GENMASK(23, 16)
-
-#define HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_S 24
-#define HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_M GENMASK(30, 24)
-
-#define HNS_ROCE_AEQE_U32_4_OWNER_S 31
-
-#define HNS_ROCE_AEQE_EVENT_QP_EVENT_QP_QPN_S 0
-#define HNS_ROCE_AEQE_EVENT_QP_EVENT_QP_QPN_M GENMASK(23, 0)
-
-#define HNS_ROCE_AEQE_EVENT_QP_EVENT_PORT_NUM_S 25
-#define HNS_ROCE_AEQE_EVENT_QP_EVENT_PORT_NUM_M GENMASK(27, 25)
-
-#define HNS_ROCE_AEQE_EVENT_CQ_EVENT_CQ_CQN_S 0
-#define HNS_ROCE_AEQE_EVENT_CQ_EVENT_CQ_CQN_M GENMASK(15, 0)
-
-#define HNS_ROCE_AEQE_EVENT_CE_EVENT_CEQE_CEQN_S 0
-#define HNS_ROCE_AEQE_EVENT_CE_EVENT_CEQE_CEQN_M GENMASK(4, 0)
-
-/* Local Work Queue Catastrophic Error,SUBTYPE 0x5 */
-enum {
- HNS_ROCE_LWQCE_QPC_ERROR = 1,
- HNS_ROCE_LWQCE_MTU_ERROR,
- HNS_ROCE_LWQCE_WQE_BA_ADDR_ERROR,
- HNS_ROCE_LWQCE_WQE_ADDR_ERROR,
- HNS_ROCE_LWQCE_SQ_WQE_SHIFT_ERROR,
- HNS_ROCE_LWQCE_SL_ERROR,
- HNS_ROCE_LWQCE_PORT_ERROR,
-};
-
-/* Local Access Violation Work Queue Error,SUBTYPE 0x7 */
-enum {
- HNS_ROCE_LAVWQE_R_KEY_VIOLATION = 1,
- HNS_ROCE_LAVWQE_LENGTH_ERROR,
- HNS_ROCE_LAVWQE_VA_ERROR,
- HNS_ROCE_LAVWQE_PD_ERROR,
- HNS_ROCE_LAVWQE_RW_ACC_ERROR,
- HNS_ROCE_LAVWQE_KEY_STATE_ERROR,
- HNS_ROCE_LAVWQE_MR_OPERATION_ERROR,
-};
-
-/* DOORBELL overflow subtype */
-enum {
- HNS_ROCE_DB_SUBTYPE_SDB_OVF = 1,
- HNS_ROCE_DB_SUBTYPE_SDB_ALM_OVF,
- HNS_ROCE_DB_SUBTYPE_ODB_OVF,
- HNS_ROCE_DB_SUBTYPE_ODB_ALM_OVF,
- HNS_ROCE_DB_SUBTYPE_SDB_ALM_EMP,
- HNS_ROCE_DB_SUBTYPE_ODB_ALM_EMP,
-};
-
-enum {
- /* RQ&SRQ related operations */
- HNS_ROCE_OPCODE_SEND_DATA_RECEIVE = 0x06,
- HNS_ROCE_OPCODE_RDMA_WITH_IMM_RECEIVE,
-};
-
-enum {
- HNS_ROCE_PORT_DOWN = 0,
- HNS_ROCE_PORT_UP,
-};
-
-struct hns_roce_cq_context {
- __le32 cqc_byte_4;
- __le32 cq_bt_l;
- __le32 cqc_byte_12;
- __le32 cur_cqe_ba0_l;
- __le32 cqc_byte_20;
- __le32 cqe_tptr_addr_l;
- __le32 cur_cqe_ba1_l;
- __le32 cqc_byte_32;
-};
-
-#define CQ_CONTEXT_CQC_BYTE_4_CQC_STATE_S 0
-#define CQ_CONTEXT_CQC_BYTE_4_CQC_STATE_M \
- (((1UL << 2) - 1) << CQ_CONTEXT_CQC_BYTE_4_CQC_STATE_S)
-
-#define CQ_CONTEXT_CQC_BYTE_4_CQN_S 16
-#define CQ_CONTEXT_CQC_BYTE_4_CQN_M \
- (((1UL << 16) - 1) << CQ_CONTEXT_CQC_BYTE_4_CQN_S)
-
-#define CQ_CONTEXT_CQC_BYTE_12_CQ_BT_H_S 0
-#define CQ_CONTEXT_CQC_BYTE_12_CQ_BT_H_M \
- (((1UL << 17) - 1) << CQ_CONTEXT_CQC_BYTE_12_CQ_BT_H_S)
-
-#define CQ_CONTEXT_CQC_BYTE_12_CQ_CQE_SHIFT_S 20
-#define CQ_CONTEXT_CQC_BYTE_12_CQ_CQE_SHIFT_M \
- (((1UL << 4) - 1) << CQ_CONTEXT_CQC_BYTE_12_CQ_CQE_SHIFT_S)
-
-#define CQ_CONTEXT_CQC_BYTE_12_CEQN_S 24
-#define CQ_CONTEXT_CQC_BYTE_12_CEQN_M \
- (((1UL << 5) - 1) << CQ_CONTEXT_CQC_BYTE_12_CEQN_S)
-
-#define CQ_CONTEXT_CQC_BYTE_20_CUR_CQE_BA0_H_S 0
-#define CQ_CONTEXT_CQC_BYTE_20_CUR_CQE_BA0_H_M \
- (((1UL << 5) - 1) << CQ_CONTEXT_CQC_BYTE_20_CUR_CQE_BA0_H_S)
-
-#define CQ_CONTEXT_CQC_BYTE_20_CQ_CUR_INDEX_S 16
-#define CQ_CONTEXT_CQC_BYTE_20_CQ_CUR_INDEX_M \
- (((1UL << 16) - 1) << CQ_CONTEXT_CQC_BYTE_20_CQ_CUR_INDEX_S)
-
-#define CQ_CONTEXT_CQC_BYTE_20_CQE_TPTR_ADDR_H_S 8
-#define CQ_CONTEXT_CQC_BYTE_20_CQE_TPTR_ADDR_H_M \
- (((1UL << 5) - 1) << CQ_CONTEXT_CQC_BYTE_20_CQE_TPTR_ADDR_H_S)
-
-#define CQ_CONTEXT_CQC_BYTE_32_CUR_CQE_BA1_H_S 0
-#define CQ_CONTEXT_CQC_BYTE_32_CUR_CQE_BA1_H_M \
- (((1UL << 5) - 1) << CQ_CONTEXT_CQC_BYTE_32_CUR_CQE_BA1_H_S)
-
-#define CQ_CONTEXT_CQC_BYTE_32_SE_FLAG_S 9
-
-#define CQ_CONTEXT_CQC_BYTE_32_CE_FLAG_S 8
-#define CQ_CONTEXT_CQC_BYTE_32_NOTIFICATION_FLAG_S 14
-#define CQ_CQNTEXT_CQC_BYTE_32_TYPE_OF_COMPLETION_NOTIFICATION_S 15
-
-#define CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_S 16
-#define CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_M \
- (((1UL << 16) - 1) << CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_S)
-
-struct hns_roce_cqe {
- __le32 cqe_byte_4;
- union {
- __le32 r_key;
- __le32 immediate_data;
- };
- __le32 byte_cnt;
- __le32 cqe_byte_16;
- __le32 cqe_byte_20;
- __le32 s_mac_l;
- __le32 cqe_byte_28;
- __le32 reserved;
-};
-
-#define CQE_BYTE_4_OWNER_S 7
-#define CQE_BYTE_4_SQ_RQ_FLAG_S 14
-
-#define CQE_BYTE_4_STATUS_OF_THE_OPERATION_S 8
-#define CQE_BYTE_4_STATUS_OF_THE_OPERATION_M \
- (((1UL << 5) - 1) << CQE_BYTE_4_STATUS_OF_THE_OPERATION_S)
-
-#define CQE_BYTE_4_WQE_INDEX_S 16
-#define CQE_BYTE_4_WQE_INDEX_M (((1UL << 14) - 1) << CQE_BYTE_4_WQE_INDEX_S)
-
-#define CQE_BYTE_4_OPERATION_TYPE_S 0
-#define CQE_BYTE_4_OPERATION_TYPE_M \
- (((1UL << 4) - 1) << CQE_BYTE_4_OPERATION_TYPE_S)
-
-#define CQE_BYTE_4_IMM_INDICATOR_S 15
-
-#define CQE_BYTE_16_LOCAL_QPN_S 0
-#define CQE_BYTE_16_LOCAL_QPN_M (((1UL << 24) - 1) << CQE_BYTE_16_LOCAL_QPN_S)
-
-#define CQE_BYTE_20_PORT_NUM_S 26
-#define CQE_BYTE_20_PORT_NUM_M (((1UL << 3) - 1) << CQE_BYTE_20_PORT_NUM_S)
-
-#define CQE_BYTE_20_SL_S 24
-#define CQE_BYTE_20_SL_M (((1UL << 2) - 1) << CQE_BYTE_20_SL_S)
-
-#define CQE_BYTE_20_REMOTE_QPN_S 0
-#define CQE_BYTE_20_REMOTE_QPN_M \
- (((1UL << 24) - 1) << CQE_BYTE_20_REMOTE_QPN_S)
-
-#define CQE_BYTE_20_GRH_PRESENT_S 29
-
-#define CQE_BYTE_28_P_KEY_IDX_S 16
-#define CQE_BYTE_28_P_KEY_IDX_M (((1UL << 16) - 1) << CQE_BYTE_28_P_KEY_IDX_S)
-
-#define CQ_DB_REQ_NOT_SOL 0
-#define CQ_DB_REQ_NOT (1 << 16)
-
-struct hns_roce_v1_mpt_entry {
- __le32 mpt_byte_4;
- __le32 pbl_addr_l;
- __le32 mpt_byte_12;
- __le32 virt_addr_l;
- __le32 virt_addr_h;
- __le32 length;
- __le32 mpt_byte_28;
- __le32 pa0_l;
- __le32 mpt_byte_36;
- __le32 mpt_byte_40;
- __le32 mpt_byte_44;
- __le32 mpt_byte_48;
- __le32 pa4_l;
- __le32 mpt_byte_56;
- __le32 mpt_byte_60;
- __le32 mpt_byte_64;
-};
-
-#define MPT_BYTE_4_KEY_STATE_S 0
-#define MPT_BYTE_4_KEY_STATE_M (((1UL << 2) - 1) << MPT_BYTE_4_KEY_STATE_S)
-
-#define MPT_BYTE_4_KEY_S 8
-#define MPT_BYTE_4_KEY_M (((1UL << 8) - 1) << MPT_BYTE_4_KEY_S)
-
-#define MPT_BYTE_4_PAGE_SIZE_S 16
-#define MPT_BYTE_4_PAGE_SIZE_M (((1UL << 2) - 1) << MPT_BYTE_4_PAGE_SIZE_S)
-
-#define MPT_BYTE_4_MW_TYPE_S 20
-
-#define MPT_BYTE_4_MW_BIND_ENABLE_S 21
-
-#define MPT_BYTE_4_OWN_S 22
-
-#define MPT_BYTE_4_MEMORY_LOCATION_TYPE_S 24
-#define MPT_BYTE_4_MEMORY_LOCATION_TYPE_M \
- (((1UL << 2) - 1) << MPT_BYTE_4_MEMORY_LOCATION_TYPE_S)
-
-#define MPT_BYTE_4_REMOTE_ATOMIC_S 26
-#define MPT_BYTE_4_LOCAL_WRITE_S 27
-#define MPT_BYTE_4_REMOTE_WRITE_S 28
-#define MPT_BYTE_4_REMOTE_READ_S 29
-#define MPT_BYTE_4_REMOTE_INVAL_ENABLE_S 30
-#define MPT_BYTE_4_ADDRESS_TYPE_S 31
-
-#define MPT_BYTE_12_PBL_ADDR_H_S 0
-#define MPT_BYTE_12_PBL_ADDR_H_M \
- (((1UL << 17) - 1) << MPT_BYTE_12_PBL_ADDR_H_S)
-
-#define MPT_BYTE_12_MW_BIND_COUNTER_S 17
-#define MPT_BYTE_12_MW_BIND_COUNTER_M \
- (((1UL << 15) - 1) << MPT_BYTE_12_MW_BIND_COUNTER_S)
-
-#define MPT_BYTE_28_PD_S 0
-#define MPT_BYTE_28_PD_M (((1UL << 16) - 1) << MPT_BYTE_28_PD_S)
-
-#define MPT_BYTE_28_L_KEY_IDX_L_S 16
-#define MPT_BYTE_28_L_KEY_IDX_L_M \
- (((1UL << 16) - 1) << MPT_BYTE_28_L_KEY_IDX_L_S)
-
-#define MPT_BYTE_36_PA0_H_S 0
-#define MPT_BYTE_36_PA0_H_M (((1UL << 5) - 1) << MPT_BYTE_36_PA0_H_S)
-
-#define MPT_BYTE_36_PA1_L_S 8
-#define MPT_BYTE_36_PA1_L_M (((1UL << 24) - 1) << MPT_BYTE_36_PA1_L_S)
-
-#define MPT_BYTE_40_PA1_H_S 0
-#define MPT_BYTE_40_PA1_H_M (((1UL << 13) - 1) << MPT_BYTE_40_PA1_H_S)
-
-#define MPT_BYTE_40_PA2_L_S 16
-#define MPT_BYTE_40_PA2_L_M (((1UL << 16) - 1) << MPT_BYTE_40_PA2_L_S)
-
-#define MPT_BYTE_44_PA2_H_S 0
-#define MPT_BYTE_44_PA2_H_M (((1UL << 21) - 1) << MPT_BYTE_44_PA2_H_S)
-
-#define MPT_BYTE_44_PA3_L_S 24
-#define MPT_BYTE_44_PA3_L_M (((1UL << 8) - 1) << MPT_BYTE_44_PA3_L_S)
-
-#define MPT_BYTE_48_PA3_H_S 0
-#define MPT_BYTE_48_PA3_H_M (((1UL << 29) - 1) << MPT_BYTE_48_PA3_H_S)
-
-#define MPT_BYTE_56_PA4_H_S 0
-#define MPT_BYTE_56_PA4_H_M (((1UL << 5) - 1) << MPT_BYTE_56_PA4_H_S)
-
-#define MPT_BYTE_56_PA5_L_S 8
-#define MPT_BYTE_56_PA5_L_M (((1UL << 24) - 1) << MPT_BYTE_56_PA5_L_S)
-
-#define MPT_BYTE_60_PA5_H_S 0
-#define MPT_BYTE_60_PA5_H_M (((1UL << 13) - 1) << MPT_BYTE_60_PA5_H_S)
-
-#define MPT_BYTE_60_PA6_L_S 16
-#define MPT_BYTE_60_PA6_L_M (((1UL << 16) - 1) << MPT_BYTE_60_PA6_L_S)
-
-#define MPT_BYTE_64_PA6_H_S 0
-#define MPT_BYTE_64_PA6_H_M (((1UL << 21) - 1) << MPT_BYTE_64_PA6_H_S)
-
-#define MPT_BYTE_64_L_KEY_IDX_H_S 24
-#define MPT_BYTE_64_L_KEY_IDX_H_M \
- (((1UL << 8) - 1) << MPT_BYTE_64_L_KEY_IDX_H_S)
-
-struct hns_roce_wqe_ctrl_seg {
- __le32 sgl_pa_h;
- __le32 flag;
- union {
- __be32 imm_data;
- __le32 inv_key;
- };
- __le32 msg_length;
-};
-
-struct hns_roce_wqe_data_seg {
- __le64 addr;
- __le32 lkey;
- __le32 len;
-};
-
-struct hns_roce_wqe_raddr_seg {
- __le32 rkey;
- __le32 len; /* reserved */
- __le64 raddr;
-};
-
-struct hns_roce_rq_wqe_ctrl {
- __le32 rwqe_byte_4;
- __le32 rocee_sgl_ba_l;
- __le32 rwqe_byte_12;
- __le32 reserved[5];
-};
-
-#define RQ_WQE_CTRL_RWQE_BYTE_12_RWQE_SGE_NUM_S 16
-#define RQ_WQE_CTRL_RWQE_BYTE_12_RWQE_SGE_NUM_M \
- (((1UL << 6) - 1) << RQ_WQE_CTRL_RWQE_BYTE_12_RWQE_SGE_NUM_S)
-
-#define HNS_ROCE_QP_DESTROY_TIMEOUT_MSECS 10000
-
-#define GID_LEN 16
-
-struct hns_roce_ud_send_wqe {
- __le32 dmac_h;
- __le32 u32_8;
- __le32 immediate_data;
-
- __le32 u32_16;
- union {
- unsigned char dgid[GID_LEN];
- struct {
- __le32 u32_20;
- __le32 u32_24;
- __le32 u32_28;
- __le32 u32_32;
- };
- };
-
- __le32 u32_36;
- __le32 u32_40;
-
- __le32 va0_l;
- __le32 va0_h;
- __le32 l_key0;
-
- __le32 va1_l;
- __le32 va1_h;
- __le32 l_key1;
-};
-
-#define UD_SEND_WQE_U32_4_DMAC_0_S 0
-#define UD_SEND_WQE_U32_4_DMAC_0_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_4_DMAC_0_S)
-
-#define UD_SEND_WQE_U32_4_DMAC_1_S 8
-#define UD_SEND_WQE_U32_4_DMAC_1_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_4_DMAC_1_S)
-
-#define UD_SEND_WQE_U32_4_DMAC_2_S 16
-#define UD_SEND_WQE_U32_4_DMAC_2_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_4_DMAC_2_S)
-
-#define UD_SEND_WQE_U32_4_DMAC_3_S 24
-#define UD_SEND_WQE_U32_4_DMAC_3_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_4_DMAC_3_S)
-
-#define UD_SEND_WQE_U32_8_DMAC_4_S 0
-#define UD_SEND_WQE_U32_8_DMAC_4_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_8_DMAC_4_S)
-
-#define UD_SEND_WQE_U32_8_DMAC_5_S 8
-#define UD_SEND_WQE_U32_8_DMAC_5_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_8_DMAC_5_S)
-
-#define UD_SEND_WQE_U32_8_LOOPBACK_INDICATOR_S 22
-
-#define UD_SEND_WQE_U32_8_OPERATION_TYPE_S 16
-#define UD_SEND_WQE_U32_8_OPERATION_TYPE_M \
- (((1UL << 4) - 1) << UD_SEND_WQE_U32_8_OPERATION_TYPE_S)
-
-#define UD_SEND_WQE_U32_8_NUMBER_OF_DATA_SEG_S 24
-#define UD_SEND_WQE_U32_8_NUMBER_OF_DATA_SEG_M \
- (((1UL << 6) - 1) << UD_SEND_WQE_U32_8_NUMBER_OF_DATA_SEG_S)
-
-#define UD_SEND_WQE_U32_8_SEND_GL_ROUTING_HDR_FLAG_S 31
-
-#define UD_SEND_WQE_U32_16_DEST_QP_S 0
-#define UD_SEND_WQE_U32_16_DEST_QP_M \
- (((1UL << 24) - 1) << UD_SEND_WQE_U32_16_DEST_QP_S)
-
-#define UD_SEND_WQE_U32_16_MAX_STATIC_RATE_S 24
-#define UD_SEND_WQE_U32_16_MAX_STATIC_RATE_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_16_MAX_STATIC_RATE_S)
-
-#define UD_SEND_WQE_U32_36_FLOW_LABEL_S 0
-#define UD_SEND_WQE_U32_36_FLOW_LABEL_M \
- (((1UL << 20) - 1) << UD_SEND_WQE_U32_36_FLOW_LABEL_S)
-
-#define UD_SEND_WQE_U32_36_PRIORITY_S 20
-#define UD_SEND_WQE_U32_36_PRIORITY_M \
- (((1UL << 4) - 1) << UD_SEND_WQE_U32_36_PRIORITY_S)
-
-#define UD_SEND_WQE_U32_36_SGID_INDEX_S 24
-#define UD_SEND_WQE_U32_36_SGID_INDEX_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_36_SGID_INDEX_S)
-
-#define UD_SEND_WQE_U32_40_HOP_LIMIT_S 0
-#define UD_SEND_WQE_U32_40_HOP_LIMIT_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_40_HOP_LIMIT_S)
-
-#define UD_SEND_WQE_U32_40_TRAFFIC_CLASS_S 8
-#define UD_SEND_WQE_U32_40_TRAFFIC_CLASS_M \
- (((1UL << 8) - 1) << UD_SEND_WQE_U32_40_TRAFFIC_CLASS_S)
-
-struct hns_roce_sqp_context {
- __le32 qp1c_bytes_4;
- __le32 sq_rq_bt_l;
- __le32 qp1c_bytes_12;
- __le32 qp1c_bytes_16;
- __le32 qp1c_bytes_20;
- __le32 cur_rq_wqe_ba_l;
- __le32 qp1c_bytes_28;
- __le32 qp1c_bytes_32;
- __le32 cur_sq_wqe_ba_l;
- __le32 qp1c_bytes_40;
-};
-
-#define QP1C_BYTES_4_QP_STATE_S 0
-#define QP1C_BYTES_4_QP_STATE_M \
- (((1UL << 3) - 1) << QP1C_BYTES_4_QP_STATE_S)
-
-#define QP1C_BYTES_4_SQ_WQE_SHIFT_S 8
-#define QP1C_BYTES_4_SQ_WQE_SHIFT_M \
- (((1UL << 4) - 1) << QP1C_BYTES_4_SQ_WQE_SHIFT_S)
-
-#define QP1C_BYTES_4_RQ_WQE_SHIFT_S 12
-#define QP1C_BYTES_4_RQ_WQE_SHIFT_M \
- (((1UL << 4) - 1) << QP1C_BYTES_4_RQ_WQE_SHIFT_S)
-
-#define QP1C_BYTES_4_PD_S 16
-#define QP1C_BYTES_4_PD_M (((1UL << 16) - 1) << QP1C_BYTES_4_PD_S)
-
-#define QP1C_BYTES_12_SQ_RQ_BT_H_S 0
-#define QP1C_BYTES_12_SQ_RQ_BT_H_M \
- (((1UL << 17) - 1) << QP1C_BYTES_12_SQ_RQ_BT_H_S)
-
-#define QP1C_BYTES_16_RQ_HEAD_S 0
-#define QP1C_BYTES_16_RQ_HEAD_M (((1UL << 15) - 1) << QP1C_BYTES_16_RQ_HEAD_S)
-
-#define QP1C_BYTES_16_PORT_NUM_S 16
-#define QP1C_BYTES_16_PORT_NUM_M \
- (((1UL << 3) - 1) << QP1C_BYTES_16_PORT_NUM_S)
-
-#define QP1C_BYTES_16_SIGNALING_TYPE_S 27
-#define QP1C_BYTES_16_LOCAL_ENABLE_E2E_CREDIT_S 28
-#define QP1C_BYTES_16_RQ_BA_FLG_S 29
-#define QP1C_BYTES_16_SQ_BA_FLG_S 30
-#define QP1C_BYTES_16_QP1_ERR_S 31
-
-#define QP1C_BYTES_20_SQ_HEAD_S 0
-#define QP1C_BYTES_20_SQ_HEAD_M (((1UL << 15) - 1) << QP1C_BYTES_20_SQ_HEAD_S)
-
-#define QP1C_BYTES_20_PKEY_IDX_S 16
-#define QP1C_BYTES_20_PKEY_IDX_M \
- (((1UL << 16) - 1) << QP1C_BYTES_20_PKEY_IDX_S)
-
-#define QP1C_BYTES_28_CUR_RQ_WQE_BA_H_S 0
-#define QP1C_BYTES_28_CUR_RQ_WQE_BA_H_M \
- (((1UL << 5) - 1) << QP1C_BYTES_28_CUR_RQ_WQE_BA_H_S)
-
-#define QP1C_BYTES_28_RQ_CUR_IDX_S 16
-#define QP1C_BYTES_28_RQ_CUR_IDX_M \
- (((1UL << 15) - 1) << QP1C_BYTES_28_RQ_CUR_IDX_S)
-
-#define QP1C_BYTES_32_TX_CQ_NUM_S 0
-#define QP1C_BYTES_32_TX_CQ_NUM_M \
- (((1UL << 16) - 1) << QP1C_BYTES_32_TX_CQ_NUM_S)
-
-#define QP1C_BYTES_32_RX_CQ_NUM_S 16
-#define QP1C_BYTES_32_RX_CQ_NUM_M \
- (((1UL << 16) - 1) << QP1C_BYTES_32_RX_CQ_NUM_S)
-
-#define QP1C_BYTES_40_CUR_SQ_WQE_BA_H_S 0
-#define QP1C_BYTES_40_CUR_SQ_WQE_BA_H_M \
- (((1UL << 5) - 1) << QP1C_BYTES_40_CUR_SQ_WQE_BA_H_S)
-
-#define QP1C_BYTES_40_SQ_CUR_IDX_S 16
-#define QP1C_BYTES_40_SQ_CUR_IDX_M \
- (((1UL << 15) - 1) << QP1C_BYTES_40_SQ_CUR_IDX_S)
-
-#define HNS_ROCE_WQE_INLINE (1UL<<31)
-#define HNS_ROCE_WQE_SE (1UL<<30)
-
-#define HNS_ROCE_WQE_SGE_NUM_BIT 24
-#define HNS_ROCE_WQE_IMM (1UL<<23)
-#define HNS_ROCE_WQE_FENCE (1UL<<21)
-#define HNS_ROCE_WQE_CQ_NOTIFY (1UL<<20)
-
-#define HNS_ROCE_WQE_OPCODE_SEND (0<<16)
-#define HNS_ROCE_WQE_OPCODE_RDMA_READ (1<<16)
-#define HNS_ROCE_WQE_OPCODE_RDMA_WRITE (2<<16)
-#define HNS_ROCE_WQE_OPCODE_LOCAL_INV (4<<16)
-#define HNS_ROCE_WQE_OPCODE_UD_SEND (7<<16)
-#define HNS_ROCE_WQE_OPCODE_MASK (15<<16)
-
-struct hns_roce_qp_context {
- __le32 qpc_bytes_4;
- __le32 qpc_bytes_8;
- __le32 qpc_bytes_12;
- __le32 qpc_bytes_16;
- __le32 sq_rq_bt_l;
- __le32 qpc_bytes_24;
- __le32 irrl_ba_l;
- __le32 qpc_bytes_32;
- __le32 qpc_bytes_36;
- __le32 dmac_l;
- __le32 qpc_bytes_44;
- __le32 qpc_bytes_48;
- u8 dgid[16];
- __le32 qpc_bytes_68;
- __le32 cur_rq_wqe_ba_l;
- __le32 qpc_bytes_76;
- __le32 rx_rnr_time;
- __le32 qpc_bytes_84;
- __le32 qpc_bytes_88;
- union {
- __le32 rx_sge_len;
- __le32 dma_length;
- };
- union {
- __le32 rx_sge_num;
- __le32 rx_send_pktn;
- __le32 r_key;
- };
- __le32 va_l;
- __le32 va_h;
- __le32 qpc_bytes_108;
- __le32 qpc_bytes_112;
- __le32 rx_cur_sq_wqe_ba_l;
- __le32 qpc_bytes_120;
- __le32 qpc_bytes_124;
- __le32 qpc_bytes_128;
- __le32 qpc_bytes_132;
- __le32 qpc_bytes_136;
- __le32 qpc_bytes_140;
- __le32 qpc_bytes_144;
- __le32 qpc_bytes_148;
- union {
- __le32 rnr_retry;
- __le32 ack_time;
- };
- __le32 qpc_bytes_156;
- __le32 pkt_use_len;
- __le32 qpc_bytes_164;
- __le32 qpc_bytes_168;
- union {
- __le32 sge_use_len;
- __le32 pa_use_len;
- };
- __le32 qpc_bytes_176;
- __le32 qpc_bytes_180;
- __le32 tx_cur_sq_wqe_ba_l;
- __le32 qpc_bytes_188;
- __le32 rvd21;
-};
-
-#define QP_CONTEXT_QPC_BYTES_4_TRANSPORT_SERVICE_TYPE_S 0
-#define QP_CONTEXT_QPC_BYTES_4_TRANSPORT_SERVICE_TYPE_M \
- (((1UL << 3) - 1) << QP_CONTEXT_QPC_BYTES_4_TRANSPORT_SERVICE_TYPE_S)
-
-#define QP_CONTEXT_QPC_BYTE_4_ENABLE_FPMR_S 3
-#define QP_CONTEXT_QPC_BYTE_4_RDMA_READ_ENABLE_S 4
-#define QP_CONTEXT_QPC_BYTE_4_RDMA_WRITE_ENABLE_S 5
-#define QP_CONTEXT_QPC_BYTE_4_ATOMIC_OPERATION_ENABLE_S 6
-#define QP_CONTEXT_QPC_BYTE_4_RDMAR_USE_S 7
-
-#define QP_CONTEXT_QPC_BYTES_4_SQ_WQE_SHIFT_S 8
-#define QP_CONTEXT_QPC_BYTES_4_SQ_WQE_SHIFT_M \
- (((1UL << 4) - 1) << QP_CONTEXT_QPC_BYTES_4_SQ_WQE_SHIFT_S)
-
-#define QP_CONTEXT_QPC_BYTES_4_RQ_WQE_SHIFT_S 12
-#define QP_CONTEXT_QPC_BYTES_4_RQ_WQE_SHIFT_M \
- (((1UL << 4) - 1) << QP_CONTEXT_QPC_BYTES_4_RQ_WQE_SHIFT_S)
-
-#define QP_CONTEXT_QPC_BYTES_4_PD_S 16
-#define QP_CONTEXT_QPC_BYTES_4_PD_M \
- (((1UL << 16) - 1) << QP_CONTEXT_QPC_BYTES_4_PD_S)
-
-#define QP_CONTEXT_QPC_BYTES_8_TX_COMPLETION_S 0
-#define QP_CONTEXT_QPC_BYTES_8_TX_COMPLETION_M \
- (((1UL << 16) - 1) << QP_CONTEXT_QPC_BYTES_8_TX_COMPLETION_S)
-
-#define QP_CONTEXT_QPC_BYTES_8_RX_COMPLETION_S 16
-#define QP_CONTEXT_QPC_BYTES_8_RX_COMPLETION_M \
- (((1UL << 16) - 1) << QP_CONTEXT_QPC_BYTES_8_RX_COMPLETION_S)
-
-#define QP_CONTEXT_QPC_BYTES_12_SRQ_NUMBER_S 0
-#define QP_CONTEXT_QPC_BYTES_12_SRQ_NUMBER_M \
- (((1UL << 16) - 1) << QP_CONTEXT_QPC_BYTES_12_SRQ_NUMBER_S)
-
-#define QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_S 16
-#define QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_M \
- (((1UL << 16) - 1) << QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_S)
-
-#define QP_CONTEXT_QPC_BYTES_16_QP_NUM_S 0
-#define QP_CONTEXT_QPC_BYTES_16_QP_NUM_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_16_QP_NUM_S)
-
-#define QP_CONTEXT_QPC_BYTES_24_SQ_RQ_BT_H_S 0
-#define QP_CONTEXT_QPC_BYTES_24_SQ_RQ_BT_H_M \
- (((1UL << 17) - 1) << QP_CONTEXT_QPC_BYTES_24_SQ_RQ_BT_H_S)
-
-#define QP_CONTEXT_QPC_BYTES_24_MINIMUM_RNR_NAK_TIMER_S 18
-#define QP_CONTEXT_QPC_BYTES_24_MINIMUM_RNR_NAK_TIMER_M \
- (((1UL << 5) - 1) << QP_CONTEXT_QPC_BYTES_24_MINIMUM_RNR_NAK_TIMER_S)
-
-#define QP_CONTEXT_QPC_BYTE_24_REMOTE_ENABLE_E2E_CREDITS_S 23
-
-#define QP_CONTEXT_QPC_BYTES_32_IRRL_BA_H_S 0
-#define QP_CONTEXT_QPC_BYTES_32_IRRL_BA_H_M \
- (((1UL << 17) - 1) << QP_CONTEXT_QPC_BYTES_32_IRRL_BA_H_S)
-
-#define QP_CONTEXT_QPC_BYTES_32_MIG_STATE_S 18
-#define QP_CONTEXT_QPC_BYTES_32_MIG_STATE_M \
- (((1UL << 2) - 1) << QP_CONTEXT_QPC_BYTES_32_MIG_STATE_S)
-
-#define QP_CONTEXT_QPC_BYTE_32_LOCAL_ENABLE_E2E_CREDITS_S 20
-#define QP_CONTEXT_QPC_BYTE_32_SIGNALING_TYPE_S 21
-#define QP_CONTEXT_QPC_BYTE_32_LOOPBACK_INDICATOR_S 22
-#define QP_CONTEXT_QPC_BYTE_32_GLOBAL_HEADER_S 23
-
-#define QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_S 24
-#define QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_S)
-
-#define QP_CONTEXT_QPC_BYTES_36_DEST_QP_S 0
-#define QP_CONTEXT_QPC_BYTES_36_DEST_QP_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_36_DEST_QP_S)
-
-#define QP_CONTEXT_QPC_BYTES_36_SGID_INDEX_S 24
-#define QP_CONTEXT_QPC_BYTES_36_SGID_INDEX_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_36_SGID_INDEX_S)
-
-#define QP_CONTEXT_QPC_BYTES_44_DMAC_H_S 0
-#define QP_CONTEXT_QPC_BYTES_44_DMAC_H_M \
- (((1UL << 16) - 1) << QP_CONTEXT_QPC_BYTES_44_DMAC_H_S)
-
-#define QP_CONTEXT_QPC_BYTES_44_MAXIMUM_STATIC_RATE_S 16
-#define QP_CONTEXT_QPC_BYTES_44_MAXIMUM_STATIC_RATE_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_44_MAXIMUM_STATIC_RATE_S)
-
-#define QP_CONTEXT_QPC_BYTES_44_HOPLMT_S 24
-#define QP_CONTEXT_QPC_BYTES_44_HOPLMT_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_44_HOPLMT_S)
-
-#define QP_CONTEXT_QPC_BYTES_48_FLOWLABEL_S 0
-#define QP_CONTEXT_QPC_BYTES_48_FLOWLABEL_M \
- (((1UL << 20) - 1) << QP_CONTEXT_QPC_BYTES_48_FLOWLABEL_S)
-
-#define QP_CONTEXT_QPC_BYTES_48_TCLASS_S 20
-#define QP_CONTEXT_QPC_BYTES_48_TCLASS_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_48_TCLASS_S)
-
-#define QP_CONTEXT_QPC_BYTES_48_MTU_S 28
-#define QP_CONTEXT_QPC_BYTES_48_MTU_M \
- (((1UL << 4) - 1) << QP_CONTEXT_QPC_BYTES_48_MTU_S)
-
-#define QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_S 0
-#define QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_S)
-
-#define QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_S 16
-#define QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_S)
-
-#define QP_CONTEXT_QPC_BYTES_76_CUR_RQ_WQE_BA_H_S 0
-#define QP_CONTEXT_QPC_BYTES_76_CUR_RQ_WQE_BA_H_M \
- (((1UL << 5) - 1) << QP_CONTEXT_QPC_BYTES_76_CUR_RQ_WQE_BA_H_S)
-
-#define QP_CONTEXT_QPC_BYTES_76_RX_REQ_MSN_S 8
-#define QP_CONTEXT_QPC_BYTES_76_RX_REQ_MSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_76_RX_REQ_MSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_84_LAST_ACK_PSN_S 0
-#define QP_CONTEXT_QPC_BYTES_84_LAST_ACK_PSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_84_LAST_ACK_PSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_84_TRRL_HEAD_S 24
-#define QP_CONTEXT_QPC_BYTES_84_TRRL_HEAD_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_84_TRRL_HEAD_S)
-
-#define QP_CONTEXT_QPC_BYTES_88_RX_REQ_EPSN_S 0
-#define QP_CONTEXT_QPC_BYTES_88_RX_REQ_EPSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_88_RX_REQ_EPSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_88_RX_REQ_PSN_ERR_FLAG_S 24
-#define QP_CONTEXT_QPC_BYTES_88_RX_LAST_OPCODE_FLG_S 25
-
-#define QP_CONTEXT_QPC_BYTES_88_RQ_REQ_LAST_OPERATION_TYPE_S 26
-#define QP_CONTEXT_QPC_BYTES_88_RQ_REQ_LAST_OPERATION_TYPE_M \
- (((1UL << 2) - 1) << \
- QP_CONTEXT_QPC_BYTES_88_RQ_REQ_LAST_OPERATION_TYPE_S)
-
-#define QP_CONTEXT_QPC_BYTES_88_RQ_REQ_RDMA_WR_FLAG_S 29
-#define QP_CONTEXT_QPC_BYTES_88_RQ_REQ_RDMA_WR_FLAG_M \
- (((1UL << 2) - 1) << QP_CONTEXT_QPC_BYTES_88_RQ_REQ_RDMA_WR_FLAG_S)
-
-#define QP_CONTEXT_QPC_BYTES_108_TRRL_SDB_PSN_S 0
-#define QP_CONTEXT_QPC_BYTES_108_TRRL_SDB_PSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_108_TRRL_SDB_PSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_108_TRRL_SDB_PSN_FLG_S 24
-#define QP_CONTEXT_QPC_BYTES_108_TRRL_TDB_PSN_FLG_S 25
-
-#define QP_CONTEXT_QPC_BYTES_112_TRRL_TDB_PSN_S 0
-#define QP_CONTEXT_QPC_BYTES_112_TRRL_TDB_PSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_112_TRRL_TDB_PSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_112_TRRL_TAIL_S 24
-#define QP_CONTEXT_QPC_BYTES_112_TRRL_TAIL_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_112_TRRL_TAIL_S)
-
-#define QP_CONTEXT_QPC_BYTES_120_RX_CUR_SQ_WQE_BA_H_S 0
-#define QP_CONTEXT_QPC_BYTES_120_RX_CUR_SQ_WQE_BA_H_M \
- (((1UL << 5) - 1) << QP_CONTEXT_QPC_BYTES_120_RX_CUR_SQ_WQE_BA_H_S)
-
-#define QP_CONTEXT_QPC_BYTES_124_RX_ACK_MSN_S 0
-#define QP_CONTEXT_QPC_BYTES_124_RX_ACK_MSN_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_124_RX_ACK_MSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_124_IRRL_MSG_IDX_S 16
-#define QP_CONTEXT_QPC_BYTES_124_IRRL_MSG_IDX_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_124_IRRL_MSG_IDX_S)
-
-#define QP_CONTEXT_QPC_BYTES_128_RX_ACK_EPSN_S 0
-#define QP_CONTEXT_QPC_BYTES_128_RX_ACK_EPSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_128_RX_ACK_EPSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_128_RX_ACK_PSN_ERR_FLG_S 24
-
-#define QP_CONTEXT_QPC_BYTES_128_ACK_LAST_OPERATION_TYPE_S 25
-#define QP_CONTEXT_QPC_BYTES_128_ACK_LAST_OPERATION_TYPE_M \
- (((1UL << 2) - 1) << QP_CONTEXT_QPC_BYTES_128_ACK_LAST_OPERATION_TYPE_S)
-
-#define QP_CONTEXT_QPC_BYTES_128_IRRL_PSN_VLD_FLG_S 27
-
-#define QP_CONTEXT_QPC_BYTES_132_IRRL_PSN_S 0
-#define QP_CONTEXT_QPC_BYTES_132_IRRL_PSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_132_IRRL_PSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_132_IRRL_TAIL_S 24
-#define QP_CONTEXT_QPC_BYTES_132_IRRL_TAIL_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_132_IRRL_TAIL_S)
-
-#define QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_PSN_S 0
-#define QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_PSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_PSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_FPKT_PSN_L_S 24
-#define QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_FPKT_PSN_L_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_136_RETRY_MSG_FPKT_PSN_L_S)
-
-#define QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_FPKT_PSN_H_S 0
-#define QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_FPKT_PSN_H_M \
- (((1UL << 16) - 1) << QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_FPKT_PSN_H_S)
-
-#define QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_MSN_S 16
-#define QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_MSN_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_140_RETRY_MSG_MSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_140_RNR_RETRY_FLG_S 31
-
-#define QP_CONTEXT_QPC_BYTES_144_QP_STATE_S 0
-#define QP_CONTEXT_QPC_BYTES_144_QP_STATE_M \
- (((1UL << 3) - 1) << QP_CONTEXT_QPC_BYTES_144_QP_STATE_S)
-
-#define QP_CONTEXT_QPC_BYTES_148_CHECK_FLAG_S 0
-#define QP_CONTEXT_QPC_BYTES_148_CHECK_FLAG_M \
- (((1UL << 2) - 1) << QP_CONTEXT_QPC_BYTES_148_CHECK_FLAG_S)
-
-#define QP_CONTEXT_QPC_BYTES_148_RETRY_COUNT_S 2
-#define QP_CONTEXT_QPC_BYTES_148_RETRY_COUNT_M \
- (((1UL << 3) - 1) << QP_CONTEXT_QPC_BYTES_148_RETRY_COUNT_S)
-
-#define QP_CONTEXT_QPC_BYTES_148_RNR_RETRY_COUNT_S 5
-#define QP_CONTEXT_QPC_BYTES_148_RNR_RETRY_COUNT_M \
- (((1UL << 3) - 1) << QP_CONTEXT_QPC_BYTES_148_RNR_RETRY_COUNT_S)
-
-#define QP_CONTEXT_QPC_BYTES_148_LSN_S 8
-#define QP_CONTEXT_QPC_BYTES_148_LSN_M \
- (((1UL << 16) - 1) << QP_CONTEXT_QPC_BYTES_148_LSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_156_RETRY_COUNT_INIT_S 0
-#define QP_CONTEXT_QPC_BYTES_156_RETRY_COUNT_INIT_M \
- (((1UL << 3) - 1) << QP_CONTEXT_QPC_BYTES_156_RETRY_COUNT_INIT_S)
-
-#define QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_S 3
-#define QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_M \
- (((1UL << 5) - 1) << QP_CONTEXT_QPC_BYTES_156_ACK_TIMEOUT_S)
-
-#define QP_CONTEXT_QPC_BYTES_156_RNR_RETRY_COUNT_INIT_S 8
-#define QP_CONTEXT_QPC_BYTES_156_RNR_RETRY_COUNT_INIT_M \
- (((1UL << 3) - 1) << QP_CONTEXT_QPC_BYTES_156_RNR_RETRY_COUNT_INIT_S)
-
-#define QP_CONTEXT_QPC_BYTES_156_PORT_NUM_S 11
-#define QP_CONTEXT_QPC_BYTES_156_PORT_NUM_M \
- (((1UL << 3) - 1) << QP_CONTEXT_QPC_BYTES_156_PORT_NUM_S)
-
-#define QP_CONTEXT_QPC_BYTES_156_SL_S 14
-#define QP_CONTEXT_QPC_BYTES_156_SL_M \
- (((1UL << 2) - 1) << QP_CONTEXT_QPC_BYTES_156_SL_S)
-
-#define QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_S 16
-#define QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_S)
-
-#define QP_CONTEXT_QPC_BYTES_156_ACK_REQ_IND_S 24
-#define QP_CONTEXT_QPC_BYTES_156_ACK_REQ_IND_M \
- (((1UL << 2) - 1) << QP_CONTEXT_QPC_BYTES_156_ACK_REQ_IND_S)
-
-#define QP_CONTEXT_QPC_BYTES_164_SQ_PSN_S 0
-#define QP_CONTEXT_QPC_BYTES_164_SQ_PSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_164_SQ_PSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_164_IRRL_HEAD_S 24
-#define QP_CONTEXT_QPC_BYTES_164_IRRL_HEAD_M \
- (((1UL << 8) - 1) << QP_CONTEXT_QPC_BYTES_164_IRRL_HEAD_S)
-
-#define QP_CONTEXT_QPC_BYTES_168_RETRY_SQ_PSN_S 0
-#define QP_CONTEXT_QPC_BYTES_168_RETRY_SQ_PSN_M \
- (((1UL << 24) - 1) << QP_CONTEXT_QPC_BYTES_168_RETRY_SQ_PSN_S)
-
-#define QP_CONTEXT_QPC_BYTES_168_SGE_USE_FLA_S 24
-#define QP_CONTEXT_QPC_BYTES_168_SGE_USE_FLA_M \
- (((1UL << 2) - 1) << QP_CONTEXT_QPC_BYTES_168_SGE_USE_FLA_S)
-
-#define QP_CONTEXT_QPC_BYTES_168_DB_TYPE_S 26
-#define QP_CONTEXT_QPC_BYTES_168_DB_TYPE_M \
- (((1UL << 2) - 1) << QP_CONTEXT_QPC_BYTES_168_DB_TYPE_S)
-
-#define QP_CONTEXT_QPC_BYTES_168_MSG_LP_IND_S 28
-#define QP_CONTEXT_QPC_BYTES_168_CSDB_LP_IND_S 29
-#define QP_CONTEXT_QPC_BYTES_168_QP_ERR_FLG_S 30
-
-#define QP_CONTEXT_QPC_BYTES_176_DB_CUR_INDEX_S 0
-#define QP_CONTEXT_QPC_BYTES_176_DB_CUR_INDEX_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_176_DB_CUR_INDEX_S)
-
-#define QP_CONTEXT_QPC_BYTES_176_RETRY_DB_CUR_INDEX_S 16
-#define QP_CONTEXT_QPC_BYTES_176_RETRY_DB_CUR_INDEX_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_176_RETRY_DB_CUR_INDEX_S)
-
-#define QP_CONTEXT_QPC_BYTES_180_SQ_HEAD_S 0
-#define QP_CONTEXT_QPC_BYTES_180_SQ_HEAD_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_180_SQ_HEAD_S)
-
-#define QP_CONTEXT_QPC_BYTES_180_SQ_CUR_INDEX_S 16
-#define QP_CONTEXT_QPC_BYTES_180_SQ_CUR_INDEX_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_180_SQ_CUR_INDEX_S)
-
-#define QP_CONTEXT_QPC_BYTES_188_TX_CUR_SQ_WQE_BA_H_S 0
-#define QP_CONTEXT_QPC_BYTES_188_TX_CUR_SQ_WQE_BA_H_M \
- (((1UL << 5) - 1) << QP_CONTEXT_QPC_BYTES_188_TX_CUR_SQ_WQE_BA_H_S)
-
-#define QP_CONTEXT_QPC_BYTES_188_PKT_RETRY_FLG_S 8
-
-#define QP_CONTEXT_QPC_BYTES_188_TX_RETRY_CUR_INDEX_S 16
-#define QP_CONTEXT_QPC_BYTES_188_TX_RETRY_CUR_INDEX_M \
- (((1UL << 15) - 1) << QP_CONTEXT_QPC_BYTES_188_TX_RETRY_CUR_INDEX_S)
-
-#define STATUS_MASK 0xff
-#define GO_BIT_TIMEOUT_MSECS 10000
-#define HCR_STATUS_OFFSET 0x18
-#define HCR_GO_BIT 15
-
-struct hns_roce_rq_db {
- __le32 u32_4;
- __le32 u32_8;
-};
-
-#define RQ_DOORBELL_U32_4_RQ_HEAD_S 0
-#define RQ_DOORBELL_U32_4_RQ_HEAD_M \
- (((1UL << 15) - 1) << RQ_DOORBELL_U32_4_RQ_HEAD_S)
-
-#define RQ_DOORBELL_U32_8_QPN_S 0
-#define RQ_DOORBELL_U32_8_QPN_M (((1UL << 24) - 1) << RQ_DOORBELL_U32_8_QPN_S)
-
-#define RQ_DOORBELL_U32_8_CMD_S 28
-#define RQ_DOORBELL_U32_8_CMD_M (((1UL << 3) - 1) << RQ_DOORBELL_U32_8_CMD_S)
-
-#define RQ_DOORBELL_U32_8_HW_SYNC_S 31
-
-struct hns_roce_sq_db {
- __le32 u32_4;
- __le32 u32_8;
-};
-
-#define SQ_DOORBELL_U32_4_SQ_HEAD_S 0
-#define SQ_DOORBELL_U32_4_SQ_HEAD_M \
- (((1UL << 15) - 1) << SQ_DOORBELL_U32_4_SQ_HEAD_S)
-
-#define SQ_DOORBELL_U32_4_SL_S 16
-#define SQ_DOORBELL_U32_4_SL_M \
- (((1UL << 2) - 1) << SQ_DOORBELL_U32_4_SL_S)
-
-#define SQ_DOORBELL_U32_4_PORT_S 18
-#define SQ_DOORBELL_U32_4_PORT_M (((1UL << 3) - 1) << SQ_DOORBELL_U32_4_PORT_S)
-
-#define SQ_DOORBELL_U32_8_QPN_S 0
-#define SQ_DOORBELL_U32_8_QPN_M (((1UL << 24) - 1) << SQ_DOORBELL_U32_8_QPN_S)
-
-#define SQ_DOORBELL_HW_SYNC_S 31
-
-struct hns_roce_ext_db {
- int esdb_dep;
- int eodb_dep;
- struct hns_roce_buf_list *sdb_buf_list;
- struct hns_roce_buf_list *odb_buf_list;
-};
-
-struct hns_roce_db_table {
- int sdb_ext_mod;
- int odb_ext_mod;
- struct hns_roce_ext_db *ext_db;
-};
-
-#define HW_SYNC_SLEEP_TIME_INTERVAL 20
-#define HW_SYNC_TIMEOUT_MSECS (25 * HW_SYNC_SLEEP_TIME_INTERVAL)
-#define BT_CMD_SYNC_SHIFT 31
-#define HNS_ROCE_BA_SIZE (32 * 4096)
-
-struct hns_roce_bt_table {
- struct hns_roce_buf_list qpc_buf;
- struct hns_roce_buf_list mtpt_buf;
- struct hns_roce_buf_list cqc_buf;
-};
-
-struct hns_roce_tptr_table {
- struct hns_roce_buf_list tptr_buf;
-};
-
-struct hns_roce_qp_work {
- struct work_struct work;
- struct ib_device *ib_dev;
- struct hns_roce_qp *qp;
- u32 db_wait_stage;
- u32 sdb_issue_ptr;
- u32 sdb_inv_cnt;
- u32 sche_cnt;
-};
-
-struct hns_roce_mr_free_work {
- struct work_struct work;
- struct ib_device *ib_dev;
- struct completion *comp;
- int comp_flag;
- void *mr;
-};
-
-struct hns_roce_recreate_lp_qp_work {
- struct work_struct work;
- struct ib_device *ib_dev;
- struct completion *comp;
- int comp_flag;
-};
-
-struct hns_roce_free_mr {
- struct workqueue_struct *free_mr_wq;
- struct hns_roce_qp *mr_free_qp[HNS_ROCE_V1_RESV_QP];
- struct hns_roce_cq *mr_free_cq;
- struct hns_roce_pd *mr_free_pd;
-};
-
-struct hns_roce_v1_priv {
- struct hns_roce_db_table db_table;
- struct hns_roce_raq_table raq_table;
- struct hns_roce_bt_table bt_table;
- struct hns_roce_tptr_table tptr_table;
- struct hns_roce_free_mr free_mr;
-};
-
-int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset);
-int hns_roce_v1_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
-int hns_roce_v1_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
-
-#endif
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