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path: root/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v2.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c534
1 files changed, 388 insertions, 146 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 4cda95ed1fbe..6d30850696c5 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -153,6 +153,67 @@ static void set_atomic_seg(const struct ib_send_wr *wr,
V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S, valid_num_sge);
}
+static int fill_ext_sge_inl_data(struct hns_roce_qp *qp,
+ const struct ib_send_wr *wr,
+ unsigned int *sge_idx, u32 msg_len)
+{
+ struct ib_device *ibdev = &(to_hr_dev(qp->ibqp.device))->ib_dev;
+ unsigned int dseg_len = sizeof(struct hns_roce_v2_wqe_data_seg);
+ unsigned int ext_sge_sz = qp->sq.max_gs * dseg_len;
+ unsigned int left_len_in_pg;
+ unsigned int idx = *sge_idx;
+ unsigned int i = 0;
+ unsigned int len;
+ void *addr;
+ void *dseg;
+
+ if (msg_len > ext_sge_sz) {
+ ibdev_err(ibdev,
+ "no enough extended sge space for inline data.\n");
+ return -EINVAL;
+ }
+
+ dseg = hns_roce_get_extend_sge(qp, idx & (qp->sge.sge_cnt - 1));
+ left_len_in_pg = hr_hw_page_align((uintptr_t)dseg) - (uintptr_t)dseg;
+ len = wr->sg_list[0].length;
+ addr = (void *)(unsigned long)(wr->sg_list[0].addr);
+
+ /* When copying data to extended sge space, the left length in page may
+ * not long enough for current user's sge. So the data should be
+ * splited into several parts, one in the first page, and the others in
+ * the subsequent pages.
+ */
+ while (1) {
+ if (len <= left_len_in_pg) {
+ memcpy(dseg, addr, len);
+
+ idx += len / dseg_len;
+
+ i++;
+ if (i >= wr->num_sge)
+ break;
+
+ left_len_in_pg -= len;
+ len = wr->sg_list[i].length;
+ addr = (void *)(unsigned long)(wr->sg_list[i].addr);
+ dseg += len;
+ } else {
+ memcpy(dseg, addr, left_len_in_pg);
+
+ len -= left_len_in_pg;
+ addr += left_len_in_pg;
+ idx += left_len_in_pg / dseg_len;
+ dseg = hns_roce_get_extend_sge(qp,
+ idx & (qp->sge.sge_cnt - 1));
+ left_len_in_pg = 1 << HNS_HW_PAGE_SHIFT;
+ }
+ }
+
+ *sge_idx = idx;
+
+ return 0;
+}
+
static void set_extend_sge(struct hns_roce_qp *qp, const struct ib_send_wr *wr,
unsigned int *sge_ind, unsigned int valid_num_sge)
{
@@ -177,73 +238,115 @@ static void set_extend_sge(struct hns_roce_qp *qp, const struct ib_send_wr *wr,
*sge_ind = idx;
}
+static bool check_inl_data_len(struct hns_roce_qp *qp, unsigned int len)
+{
+ struct hns_roce_dev *hr_dev = to_hr_dev(qp->ibqp.device);
+ int mtu = ib_mtu_enum_to_int(qp->path_mtu);
+
+ if (len > qp->max_inline_data || len > mtu) {
+ ibdev_err(&hr_dev->ib_dev,
+ "invalid length of data, data len = %u, max inline len = %u, path mtu = %d.\n",
+ len, qp->max_inline_data, mtu);
+ return false;
+ }
+
+ return true;
+}
+
+static int set_rc_inl(struct hns_roce_qp *qp, const struct ib_send_wr *wr,
+ struct hns_roce_v2_rc_send_wqe *rc_sq_wqe,
+ unsigned int *sge_idx)
+{
+ struct hns_roce_dev *hr_dev = to_hr_dev(qp->ibqp.device);
+ u32 msg_len = le32_to_cpu(rc_sq_wqe->msg_len);
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ unsigned int curr_idx = *sge_idx;
+ void *dseg = rc_sq_wqe;
+ unsigned int i;
+ int ret;
+
+ if (unlikely(wr->opcode == IB_WR_RDMA_READ)) {
+ ibdev_err(ibdev, "invalid inline parameters!\n");
+ return -EINVAL;
+ }
+
+ if (!check_inl_data_len(qp, msg_len))
+ return -EINVAL;
+
+ dseg += sizeof(struct hns_roce_v2_rc_send_wqe);
+
+ roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_INLINE_S, 1);
+
+ if (msg_len <= HNS_ROCE_V2_MAX_RC_INL_INN_SZ) {
+ roce_set_bit(rc_sq_wqe->byte_20,
+ V2_RC_SEND_WQE_BYTE_20_INL_TYPE_S, 0);
+
+ for (i = 0; i < wr->num_sge; i++) {
+ memcpy(dseg, ((void *)wr->sg_list[i].addr),
+ wr->sg_list[i].length);
+ dseg += wr->sg_list[i].length;
+ }
+ } else {
+ roce_set_bit(rc_sq_wqe->byte_20,
+ V2_RC_SEND_WQE_BYTE_20_INL_TYPE_S, 1);
+
+ ret = fill_ext_sge_inl_data(qp, wr, &curr_idx, msg_len);
+ if (ret)
+ return ret;
+
+ roce_set_field(rc_sq_wqe->byte_16,
+ V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M,
+ V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S,
+ curr_idx - *sge_idx);
+ }
+
+ *sge_idx = curr_idx;
+
+ return 0;
+}
+
static int set_rwqe_data_seg(struct ib_qp *ibqp, const struct ib_send_wr *wr,
struct hns_roce_v2_rc_send_wqe *rc_sq_wqe,
unsigned int *sge_ind,
unsigned int valid_num_sge)
{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
struct hns_roce_v2_wqe_data_seg *dseg =
(void *)rc_sq_wqe + sizeof(struct hns_roce_v2_rc_send_wqe);
- struct ib_device *ibdev = &hr_dev->ib_dev;
struct hns_roce_qp *qp = to_hr_qp(ibqp);
- void *wqe = dseg;
int j = 0;
int i;
- if (wr->send_flags & IB_SEND_INLINE && valid_num_sge) {
- if (unlikely(le32_to_cpu(rc_sq_wqe->msg_len) >
- hr_dev->caps.max_sq_inline)) {
- ibdev_err(ibdev, "inline len(1-%d)=%d, illegal",
- rc_sq_wqe->msg_len,
- hr_dev->caps.max_sq_inline);
- return -EINVAL;
- }
+ roce_set_field(rc_sq_wqe->byte_20,
+ V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_M,
+ V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S,
+ (*sge_ind) & (qp->sge.sge_cnt - 1));
- if (unlikely(wr->opcode == IB_WR_RDMA_READ)) {
- ibdev_err(ibdev, "Not support inline data!\n");
- return -EINVAL;
- }
+ if (wr->send_flags & IB_SEND_INLINE)
+ return set_rc_inl(qp, wr, rc_sq_wqe, sge_ind);
+ if (valid_num_sge <= HNS_ROCE_SGE_IN_WQE) {
for (i = 0; i < wr->num_sge; i++) {
- memcpy(wqe, ((void *)wr->sg_list[i].addr),
- wr->sg_list[i].length);
- wqe += wr->sg_list[i].length;
+ if (likely(wr->sg_list[i].length)) {
+ set_data_seg_v2(dseg, wr->sg_list + i);
+ dseg++;
+ }
}
-
- roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_INLINE_S,
- 1);
} else {
- if (valid_num_sge <= HNS_ROCE_SGE_IN_WQE) {
- for (i = 0; i < wr->num_sge; i++) {
- if (likely(wr->sg_list[i].length)) {
- set_data_seg_v2(dseg, wr->sg_list + i);
- dseg++;
- }
+ for (i = 0; i < wr->num_sge && j < HNS_ROCE_SGE_IN_WQE; i++) {
+ if (likely(wr->sg_list[i].length)) {
+ set_data_seg_v2(dseg, wr->sg_list + i);
+ dseg++;
+ j++;
}
- } else {
- roce_set_field(rc_sq_wqe->byte_20,
- V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_M,
- V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S,
- (*sge_ind) & (qp->sge.sge_cnt - 1));
-
- for (i = 0; i < wr->num_sge && j < HNS_ROCE_SGE_IN_WQE;
- i++) {
- if (likely(wr->sg_list[i].length)) {
- set_data_seg_v2(dseg, wr->sg_list + i);
- dseg++;
- j++;
- }
- }
-
- set_extend_sge(qp, wr, sge_ind, valid_num_sge);
}
- roce_set_field(rc_sq_wqe->byte_16,
- V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M,
- V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S, valid_num_sge);
+ set_extend_sge(qp, wr, sge_ind, valid_num_sge);
}
+ roce_set_field(rc_sq_wqe->byte_16,
+ V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M,
+ V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S, valid_num_sge);
+
return 0;
}
@@ -292,6 +395,33 @@ static unsigned int calc_wr_sge_num(const struct ib_send_wr *wr,
return valid_num;
}
+static __le32 get_immtdata(const struct ib_send_wr *wr)
+{
+ switch (wr->opcode) {
+ case IB_WR_SEND_WITH_IMM:
+ case IB_WR_RDMA_WRITE_WITH_IMM:
+ return cpu_to_le32(be32_to_cpu(wr->ex.imm_data));
+ default:
+ return 0;
+ }
+}
+
+static int set_ud_opcode(struct hns_roce_v2_ud_send_wqe *ud_sq_wqe,
+ const struct ib_send_wr *wr)
+{
+ u32 ib_op = wr->opcode;
+
+ if (ib_op != IB_WR_SEND && ib_op != IB_WR_SEND_WITH_IMM)
+ return -EINVAL;
+
+ ud_sq_wqe->immtdata = get_immtdata(wr);
+
+ roce_set_field(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_OPCODE_M,
+ V2_UD_SEND_WQE_BYTE_4_OPCODE_S, to_hr_opcode(ib_op));
+
+ return 0;
+}
+
static inline int set_ud_wqe(struct hns_roce_qp *qp,
const struct ib_send_wr *wr,
void *wqe, unsigned int *sge_idx,
@@ -305,10 +435,15 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
u32 msg_len = 0;
bool loopback;
u8 *smac;
+ int ret;
valid_num_sge = calc_wr_sge_num(wr, &msg_len);
memset(ud_sq_wqe, 0, sizeof(*ud_sq_wqe));
+ ret = set_ud_opcode(ud_sq_wqe, wr);
+ if (WARN_ON(ret))
+ return ret;
+
roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_0_M,
V2_UD_SEND_WQE_DMAC_0_S, ah->av.mac[0]);
roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_1_M,
@@ -329,23 +464,8 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
roce_set_bit(ud_sq_wqe->byte_40,
V2_UD_SEND_WQE_BYTE_40_LBI_S, loopback);
- roce_set_field(ud_sq_wqe->byte_4,
- V2_UD_SEND_WQE_BYTE_4_OPCODE_M,
- V2_UD_SEND_WQE_BYTE_4_OPCODE_S,
- HNS_ROCE_V2_WQE_OP_SEND);
-
ud_sq_wqe->msg_len = cpu_to_le32(msg_len);
- switch (wr->opcode) {
- case IB_WR_SEND_WITH_IMM:
- case IB_WR_RDMA_WRITE_WITH_IMM:
- ud_sq_wqe->immtdata = cpu_to_le32(be32_to_cpu(wr->ex.imm_data));
- break;
- default:
- ud_sq_wqe->immtdata = 0;
- break;
- }
-
/* Set sig attr */
roce_set_bit(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_CQE_S,
(wr->send_flags & IB_SEND_SIGNALED) ? 1 : 0);
@@ -369,7 +489,7 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
curr_idx & (qp->sge.sge_cnt - 1));
roce_set_field(ud_sq_wqe->byte_24, V2_UD_SEND_WQE_BYTE_24_UDPSPN_M,
- V2_UD_SEND_WQE_BYTE_24_UDPSPN_S, 0);
+ V2_UD_SEND_WQE_BYTE_24_UDPSPN_S, ah->av.udp_sport);
ud_sq_wqe->qkey = cpu_to_le32(ud_wr(wr)->remote_qkey & 0x80000000 ?
qp->qkey : ud_wr(wr)->remote_qkey);
roce_set_field(ud_sq_wqe->byte_32, V2_UD_SEND_WQE_BYTE_32_DQPN_M,
@@ -402,6 +522,46 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
return 0;
}
+static int set_rc_opcode(struct hns_roce_v2_rc_send_wqe *rc_sq_wqe,
+ const struct ib_send_wr *wr)
+{
+ u32 ib_op = wr->opcode;
+
+ rc_sq_wqe->immtdata = get_immtdata(wr);
+
+ switch (ib_op) {
+ case IB_WR_RDMA_READ:
+ case IB_WR_RDMA_WRITE:
+ case IB_WR_RDMA_WRITE_WITH_IMM:
+ rc_sq_wqe->rkey = cpu_to_le32(rdma_wr(wr)->rkey);
+ rc_sq_wqe->va = cpu_to_le64(rdma_wr(wr)->remote_addr);
+ break;
+ case IB_WR_SEND:
+ case IB_WR_SEND_WITH_IMM:
+ break;
+ case IB_WR_ATOMIC_CMP_AND_SWP:
+ case IB_WR_ATOMIC_FETCH_AND_ADD:
+ rc_sq_wqe->rkey = cpu_to_le32(atomic_wr(wr)->rkey);
+ rc_sq_wqe->va = cpu_to_le64(atomic_wr(wr)->remote_addr);
+ break;
+ case IB_WR_REG_MR:
+ set_frmr_seg(rc_sq_wqe, reg_wr(wr));
+ break;
+ case IB_WR_LOCAL_INV:
+ roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_SO_S, 1);
+ fallthrough;
+ case IB_WR_SEND_WITH_INV:
+ rc_sq_wqe->inv_key = cpu_to_le32(wr->ex.invalidate_rkey);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ roce_set_field(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
+ V2_RC_SEND_WQE_BYTE_4_OPCODE_S, to_hr_opcode(ib_op));
+
+ return 0;
+}
static inline int set_rc_wqe(struct hns_roce_qp *qp,
const struct ib_send_wr *wr,
void *wqe, unsigned int *sge_idx,
@@ -411,25 +571,16 @@ static inline int set_rc_wqe(struct hns_roce_qp *qp,
unsigned int curr_idx = *sge_idx;
unsigned int valid_num_sge;
u32 msg_len = 0;
- int ret = 0;
+ int ret;
valid_num_sge = calc_wr_sge_num(wr, &msg_len);
memset(rc_sq_wqe, 0, sizeof(*rc_sq_wqe));
rc_sq_wqe->msg_len = cpu_to_le32(msg_len);
- switch (wr->opcode) {
- case IB_WR_SEND_WITH_IMM:
- case IB_WR_RDMA_WRITE_WITH_IMM:
- rc_sq_wqe->immtdata = cpu_to_le32(be32_to_cpu(wr->ex.imm_data));
- break;
- case IB_WR_SEND_WITH_INV:
- rc_sq_wqe->inv_key = cpu_to_le32(wr->ex.invalidate_rkey);
- break;
- default:
- rc_sq_wqe->immtdata = 0;
- break;
- }
+ ret = set_rc_opcode(rc_sq_wqe, wr);
+ if (WARN_ON(ret))
+ return ret;
roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_FENCE_S,
(wr->send_flags & IB_SEND_FENCE) ? 1 : 0);
@@ -443,33 +594,6 @@ static inline int set_rc_wqe(struct hns_roce_qp *qp,
roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_OWNER_S,
owner_bit);
- switch (wr->opcode) {
- case IB_WR_RDMA_READ:
- case IB_WR_RDMA_WRITE:
- case IB_WR_RDMA_WRITE_WITH_IMM:
- rc_sq_wqe->rkey = cpu_to_le32(rdma_wr(wr)->rkey);
- rc_sq_wqe->va = cpu_to_le64(rdma_wr(wr)->remote_addr);
- break;
- case IB_WR_LOCAL_INV:
- roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_SO_S, 1);
- rc_sq_wqe->inv_key = cpu_to_le32(wr->ex.invalidate_rkey);
- break;
- case IB_WR_REG_MR:
- set_frmr_seg(rc_sq_wqe, reg_wr(wr));
- break;
- case IB_WR_ATOMIC_CMP_AND_SWP:
- case IB_WR_ATOMIC_FETCH_AND_ADD:
- rc_sq_wqe->rkey = cpu_to_le32(atomic_wr(wr)->rkey);
- rc_sq_wqe->va = cpu_to_le64(atomic_wr(wr)->remote_addr);
- break;
- default:
- break;
- }
-
- roce_set_field(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
- V2_RC_SEND_WQE_BYTE_4_OPCODE_S,
- to_hr_opcode(wr->opcode));
-
if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD)
set_atomic_seg(wr, rc_sq_wqe, valid_num_sge);
@@ -1682,7 +1806,7 @@ static void set_default_caps(struct hns_roce_dev *hr_dev)
caps->max_sq_desc_sz = HNS_ROCE_V2_MAX_SQ_DESC_SZ;
caps->max_rq_desc_sz = HNS_ROCE_V2_MAX_RQ_DESC_SZ;
caps->max_srq_desc_sz = HNS_ROCE_V2_MAX_SRQ_DESC_SZ;
- caps->qpc_entry_sz = HNS_ROCE_V2_QPC_ENTRY_SZ;
+ caps->qpc_sz = HNS_ROCE_V2_QPC_SZ;
caps->irrl_entry_sz = HNS_ROCE_V2_IRRL_ENTRY_SZ;
caps->trrl_entry_sz = HNS_ROCE_V2_EXT_ATOMIC_TRRL_ENTRY_SZ;
caps->cqc_entry_sz = HNS_ROCE_V2_CQC_ENTRY_SZ;
@@ -1690,7 +1814,7 @@ static void set_default_caps(struct hns_roce_dev *hr_dev)
caps->mtpt_entry_sz = HNS_ROCE_V2_MTPT_ENTRY_SZ;
caps->mtt_entry_sz = HNS_ROCE_V2_MTT_ENTRY_SZ;
caps->idx_entry_sz = HNS_ROCE_V2_IDX_ENTRY_SZ;
- caps->cq_entry_sz = HNS_ROCE_V2_CQE_ENTRY_SIZE;
+ caps->cqe_sz = HNS_ROCE_V2_CQE_SIZE;
caps->page_size_cap = HNS_ROCE_V2_PAGE_SIZE_SUPPORTED;
caps->reserved_lkey = 0;
caps->reserved_pds = 0;
@@ -1739,6 +1863,8 @@ static void set_default_caps(struct hns_roce_dev *hr_dev)
caps->gid_table_len[0] = HNS_ROCE_V2_GID_INDEX_NUM;
caps->ceqe_depth = HNS_ROCE_V2_COMP_EQE_NUM;
caps->aeqe_depth = HNS_ROCE_V2_ASYNC_EQE_NUM;
+ caps->aeqe_size = HNS_ROCE_AEQE_SIZE;
+ caps->ceqe_size = HNS_ROCE_CEQE_SIZE;
caps->local_ca_ack_delay = 0;
caps->max_mtu = IB_MTU_4096;
@@ -1760,19 +1886,26 @@ static void set_default_caps(struct hns_roce_dev *hr_dev)
caps->cqc_timer_buf_pg_sz = 0;
caps->cqc_timer_hop_num = HNS_ROCE_HOP_NUM_0;
- caps->sccc_entry_sz = HNS_ROCE_V2_SCCC_ENTRY_SZ;
+ caps->sccc_sz = HNS_ROCE_V2_SCCC_SZ;
caps->sccc_ba_pg_sz = 0;
caps->sccc_buf_pg_sz = 0;
caps->sccc_hop_num = HNS_ROCE_SCCC_HOP_NUM;
+
+ if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09) {
+ caps->aeqe_size = HNS_ROCE_V3_EQE_SIZE;
+ caps->ceqe_size = HNS_ROCE_V3_EQE_SIZE;
+ caps->cqe_sz = HNS_ROCE_V3_CQE_SIZE;
+ caps->qpc_sz = HNS_ROCE_V3_QPC_SZ;
+ }
}
static void calc_pg_sz(int obj_num, int obj_size, int hop_num, int ctx_bt_num,
int *buf_page_size, int *bt_page_size, u32 hem_type)
{
u64 obj_per_chunk;
- int bt_chunk_size = 1 << PAGE_SHIFT;
- int buf_chunk_size = 1 << PAGE_SHIFT;
- int obj_per_chunk_default = buf_chunk_size / obj_size;
+ u64 bt_chunk_size = PAGE_SIZE;
+ u64 buf_chunk_size = PAGE_SIZE;
+ u64 obj_per_chunk_default = buf_chunk_size / obj_size;
*buf_page_size = 0;
*bt_page_size = 0;
@@ -1855,7 +1988,7 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
caps->max_sq_desc_sz = resp_a->max_sq_desc_sz;
caps->max_rq_desc_sz = resp_a->max_rq_desc_sz;
caps->max_srq_desc_sz = resp_a->max_srq_desc_sz;
- caps->cq_entry_sz = resp_a->cq_entry_sz;
+ caps->cqe_sz = HNS_ROCE_V2_CQE_SIZE;
caps->mtpt_entry_sz = resp_b->mtpt_entry_sz;
caps->irrl_entry_sz = resp_b->irrl_entry_sz;
@@ -1863,9 +1996,9 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
caps->cqc_entry_sz = resp_b->cqc_entry_sz;
caps->srqc_entry_sz = resp_b->srqc_entry_sz;
caps->idx_entry_sz = resp_b->idx_entry_sz;
- caps->sccc_entry_sz = resp_b->scc_ctx_entry_sz;
+ caps->sccc_sz = resp_b->sccc_sz;
caps->max_mtu = resp_b->max_mtu;
- caps->qpc_entry_sz = le16_to_cpu(resp_b->qpc_entry_sz);
+ caps->qpc_sz = HNS_ROCE_V2_QPC_SZ;
caps->min_cqes = resp_b->min_cqes;
caps->min_wqes = resp_b->min_wqes;
caps->page_size_cap = le32_to_cpu(resp_b->page_size_cap);
@@ -1958,6 +2091,8 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
caps->cqc_timer_entry_sz = HNS_ROCE_V2_CQC_TIMER_ENTRY_SZ;
caps->mtt_entry_sz = HNS_ROCE_V2_MTT_ENTRY_SZ;
caps->num_mtt_segs = HNS_ROCE_V2_MAX_MTT_SEGS;
+ caps->ceqe_size = HNS_ROCE_CEQE_SIZE;
+ caps->aeqe_size = HNS_ROCE_AEQE_SIZE;
caps->mtt_ba_pg_sz = 0;
caps->num_cqe_segs = HNS_ROCE_V2_MAX_CQE_SEGS;
caps->num_srqwqe_segs = HNS_ROCE_V2_MAX_SRQWQE_SEGS;
@@ -1981,7 +2116,15 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
V2_QUERY_PF_CAPS_D_RQWQE_HOP_NUM_M,
V2_QUERY_PF_CAPS_D_RQWQE_HOP_NUM_S);
- calc_pg_sz(caps->num_qps, caps->qpc_entry_sz, caps->qpc_hop_num,
+ if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09) {
+ caps->ceqe_size = HNS_ROCE_V3_EQE_SIZE;
+ caps->aeqe_size = HNS_ROCE_V3_EQE_SIZE;
+ caps->cqe_sz = HNS_ROCE_V3_CQE_SIZE;
+ caps->qpc_sz = HNS_ROCE_V3_QPC_SZ;
+ caps->sccc_sz = HNS_ROCE_V3_SCCC_SZ;
+ }
+
+ calc_pg_sz(caps->num_qps, caps->qpc_sz, caps->qpc_hop_num,
caps->qpc_bt_num, &caps->qpc_buf_pg_sz, &caps->qpc_ba_pg_sz,
HEM_TYPE_QPC);
calc_pg_sz(caps->num_mtpts, caps->mtpt_entry_sz, caps->mpt_hop_num,
@@ -1998,7 +2141,7 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
caps->qpc_timer_hop_num = HNS_ROCE_HOP_NUM_0;
caps->cqc_timer_hop_num = HNS_ROCE_HOP_NUM_0;
- calc_pg_sz(caps->num_qps, caps->sccc_entry_sz,
+ calc_pg_sz(caps->num_qps, caps->sccc_sz,
caps->sccc_hop_num, caps->sccc_bt_num,
&caps->sccc_buf_pg_sz, &caps->sccc_ba_pg_sz,
HEM_TYPE_SCCC);
@@ -2018,6 +2161,56 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
return 0;
}
+static int hns_roce_config_qpc_size(struct hns_roce_dev *hr_dev)
+{
+ struct hns_roce_cmq_desc desc;
+ struct hns_roce_cfg_entry_size *cfg_size =
+ (struct hns_roce_cfg_entry_size *)desc.data;
+
+ hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_ENTRY_SIZE,
+ false);
+
+ cfg_size->type = cpu_to_le32(HNS_ROCE_CFG_QPC_SIZE);
+ cfg_size->size = cpu_to_le32(hr_dev->caps.qpc_sz);
+
+ return hns_roce_cmq_send(hr_dev, &desc, 1);
+}
+
+static int hns_roce_config_sccc_size(struct hns_roce_dev *hr_dev)
+{
+ struct hns_roce_cmq_desc desc;
+ struct hns_roce_cfg_entry_size *cfg_size =
+ (struct hns_roce_cfg_entry_size *)desc.data;
+
+ hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_ENTRY_SIZE,
+ false);
+
+ cfg_size->type = cpu_to_le32(HNS_ROCE_CFG_SCCC_SIZE);
+ cfg_size->size = cpu_to_le32(hr_dev->caps.sccc_sz);
+
+ return hns_roce_cmq_send(hr_dev, &desc, 1);
+}
+
+static int hns_roce_config_entry_size(struct hns_roce_dev *hr_dev)
+{
+ int ret;
+
+ if (hr_dev->pci_dev->revision < PCI_REVISION_ID_HIP09)
+ return 0;
+
+ ret = hns_roce_config_qpc_size(hr_dev);
+ if (ret) {
+ dev_err(hr_dev->dev, "failed to cfg qpc sz, ret = %d.\n", ret);
+ return ret;
+ }
+
+ ret = hns_roce_config_sccc_size(hr_dev);
+ if (ret)
+ dev_err(hr_dev->dev, "failed to cfg sccc sz, ret = %d.\n", ret);
+
+ return ret;
+}
+
static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev)
{
struct hns_roce_caps *caps = &hr_dev->caps;
@@ -2090,9 +2283,14 @@ static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev)
}
ret = hns_roce_v2_set_bt(hr_dev);
- if (ret)
- dev_err(hr_dev->dev, "Configure bt attribute fail, ret = %d.\n",
- ret);
+ if (ret) {
+ dev_err(hr_dev->dev,
+ "Configure bt attribute fail, ret = %d.\n", ret);
+ return ret;
+ }
+
+ /* Configure the size of QPC, SCCC, etc. */
+ ret = hns_roce_config_entry_size(hr_dev);
return ret;
}
@@ -2757,8 +2955,7 @@ static int hns_roce_v2_mw_write_mtpt(void *mb_buf, struct hns_roce_mw *mw)
static void *get_cqe_v2(struct hns_roce_cq *hr_cq, int n)
{
- return hns_roce_buf_offset(hr_cq->mtr.kmem,
- n * HNS_ROCE_V2_CQE_ENTRY_SIZE);
+ return hns_roce_buf_offset(hr_cq->mtr.kmem, n * hr_cq->cqe_size);
}
static void *get_sw_cqe_v2(struct hns_roce_cq *hr_cq, int n)
@@ -2858,6 +3055,10 @@ static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev,
roce_set_field(cq_context->byte_8_cqn, V2_CQC_BYTE_8_CQN_M,
V2_CQC_BYTE_8_CQN_S, hr_cq->cqn);
+ roce_set_field(cq_context->byte_8_cqn, V2_CQC_BYTE_8_CQE_SIZE_M,
+ V2_CQC_BYTE_8_CQE_SIZE_S, hr_cq->cqe_size ==
+ HNS_ROCE_V3_CQE_SIZE ? 1 : 0);
+
cq_context->cqe_cur_blk_addr = cpu_to_le32(to_hr_hw_page_addr(mtts[0]));
roce_set_field(cq_context->byte_16_hop_addr,
@@ -3025,7 +3226,8 @@ out:
}
static void get_cqe_status(struct hns_roce_dev *hr_dev, struct hns_roce_qp *qp,
- struct hns_roce_v2_cqe *cqe, struct ib_wc *wc)
+ struct hns_roce_cq *cq, struct hns_roce_v2_cqe *cqe,
+ struct ib_wc *wc)
{
static const struct {
u32 cqe_status;
@@ -3066,7 +3268,7 @@ static void get_cqe_status(struct hns_roce_dev *hr_dev, struct hns_roce_qp *qp,
ibdev_err(&hr_dev->ib_dev, "error cqe status 0x%x:\n", cqe_status);
print_hex_dump(KERN_ERR, "", DUMP_PREFIX_NONE, 16, 4, cqe,
- sizeof(*cqe), false);
+ cq->cqe_size, false);
/*
* For hns ROCEE, GENERAL_ERR is an error type that is not defined in
@@ -3163,7 +3365,7 @@ static int hns_roce_v2_poll_one(struct hns_roce_cq *hr_cq,
++wq->tail;
}
- get_cqe_status(hr_dev, *cur_qp, cqe, wc);
+ get_cqe_status(hr_dev, *cur_qp, hr_cq, cqe, wc);
if (unlikely(wc->status != IB_WC_SUCCESS))
return 0;
@@ -3514,16 +3716,21 @@ static int hns_roce_v2_clear_hem(struct hns_roce_dev *hr_dev,
static int hns_roce_v2_qp_modify(struct hns_roce_dev *hr_dev,
struct hns_roce_v2_qp_context *context,
+ struct hns_roce_v2_qp_context *qpc_mask,
struct hns_roce_qp *hr_qp)
{
struct hns_roce_cmd_mailbox *mailbox;
+ int qpc_size;
int ret;
mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
- memcpy(mailbox->buf, context, sizeof(*context) * 2);
+ /* The qpc size of HIP08 is only 256B, which is half of HIP09 */
+ qpc_size = hr_dev->caps.qpc_sz;
+ memcpy(mailbox->buf, context, qpc_size);
+ memcpy(mailbox->buf + qpc_size, qpc_mask, qpc_size);
ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_qp->qpn, 0,
HNS_ROCE_CMD_MODIFY_QPC,
@@ -3641,9 +3848,6 @@ static void modify_qp_reset_to_init(struct ib_qp *ibqp,
V2_QPC_BYTE_76_SRQ_EN_S, 1);
}
- roce_set_field(context->byte_172_sq_psn, V2_QPC_BYTE_172_ACK_REQ_FREQ_M,
- V2_QPC_BYTE_172_ACK_REQ_FREQ_S, 4);
-
roce_set_bit(context->byte_172_sq_psn, V2_QPC_BYTE_172_FRE_S, 1);
hr_qp->access_flags = attr->qp_access_flags;
@@ -3954,6 +4158,7 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
dma_addr_t trrl_ba;
dma_addr_t irrl_ba;
enum ib_mtu mtu;
+ u8 lp_pktn_ini;
u8 port_num;
u64 *mtts;
u8 *dmac;
@@ -4052,6 +4257,7 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
V2_QPC_BYTE_52_DMAC_S, 0);
mtu = get_mtu(ibqp, attr);
+ hr_qp->path_mtu = mtu;
if (attr_mask & IB_QP_PATH_MTU) {
roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_MTU_M,
@@ -4061,13 +4267,21 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
}
#define MAX_LP_MSG_LEN 65536
- /* MTU*(2^LP_PKTN_INI) shouldn't be bigger than 64kb */
+ /* MTU * (2 ^ LP_PKTN_INI) shouldn't be bigger than 64KB */
+ lp_pktn_ini = ilog2(MAX_LP_MSG_LEN / ib_mtu_enum_to_int(mtu));
+
roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_LP_PKTN_INI_M,
- V2_QPC_BYTE_56_LP_PKTN_INI_S,
- ilog2(MAX_LP_MSG_LEN / ib_mtu_enum_to_int(mtu)));
+ V2_QPC_BYTE_56_LP_PKTN_INI_S, lp_pktn_ini);
roce_set_field(qpc_mask->byte_56_dqpn_err, V2_QPC_BYTE_56_LP_PKTN_INI_M,
V2_QPC_BYTE_56_LP_PKTN_INI_S, 0);
+ /* ACK_REQ_FREQ should be larger than or equal to LP_PKTN_INI */
+ roce_set_field(context->byte_172_sq_psn, V2_QPC_BYTE_172_ACK_REQ_FREQ_M,
+ V2_QPC_BYTE_172_ACK_REQ_FREQ_S, lp_pktn_ini);
+ roce_set_field(qpc_mask->byte_172_sq_psn,
+ V2_QPC_BYTE_172_ACK_REQ_FREQ_M,
+ V2_QPC_BYTE_172_ACK_REQ_FREQ_S, 0);
+
roce_set_bit(qpc_mask->byte_108_rx_reqepsn,
V2_QPC_BYTE_108_RX_REQ_PSN_ERR_S, 0);
roce_set_field(qpc_mask->byte_96_rx_reqmsn, V2_QPC_BYTE_96_RX_REQ_MSN_M,
@@ -4164,6 +4378,14 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp,
return 0;
}
+static inline u16 get_udp_sport(u32 fl, u32 lqpn, u32 rqpn)
+{
+ if (!fl)
+ fl = rdma_calc_flow_label(lqpn, rqpn);
+
+ return rdma_flow_label_to_udp_sport(fl);
+}
+
static int hns_roce_v2_set_path(struct ib_qp *ibqp,
const struct ib_qp_attr *attr,
int attr_mask,
@@ -4227,7 +4449,8 @@ static int hns_roce_v2_set_path(struct ib_qp *ibqp,
roce_set_field(context->byte_52_udpspn_dmac, V2_QPC_BYTE_52_UDPSPN_M,
V2_QPC_BYTE_52_UDPSPN_S,
- is_udp ? 0x12b7 : 0);
+ is_udp ? get_udp_sport(grh->flow_label, ibqp->qp_num,
+ attr->dest_qp_num) : 0);
roce_set_field(qpc_mask->byte_52_udpspn_dmac, V2_QPC_BYTE_52_UDPSPN_M,
V2_QPC_BYTE_52_UDPSPN_S, 0);
@@ -4259,11 +4482,19 @@ static int hns_roce_v2_set_path(struct ib_qp *ibqp,
V2_QPC_BYTE_28_FL_S, 0);
memcpy(context->dgid, grh->dgid.raw, sizeof(grh->dgid.raw));
memset(qpc_mask->dgid, 0, sizeof(grh->dgid.raw));
+
+ hr_qp->sl = rdma_ah_get_sl(&attr->ah_attr);
+ if (unlikely(hr_qp->sl > MAX_SERVICE_LEVEL)) {
+ ibdev_err(ibdev,
+ "failed to fill QPC, sl (%d) shouldn't be larger than %d.\n",
+ hr_qp->sl, MAX_SERVICE_LEVEL);
+ return -EINVAL;
+ }
+
roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_SL_M,
- V2_QPC_BYTE_28_SL_S, rdma_ah_get_sl(&attr->ah_attr));
+ V2_QPC_BYTE_28_SL_S, hr_qp->sl);
roce_set_field(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_SL_M,
V2_QPC_BYTE_28_SL_S, 0);
- hr_qp->sl = rdma_ah_get_sl(&attr->ah_attr);
return 0;
}
@@ -4309,7 +4540,7 @@ static int hns_roce_v2_set_abs_fields(struct ib_qp *ibqp,
}
if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
- memset(qpc_mask, 0, sizeof(*qpc_mask));
+ memset(qpc_mask, 0, hr_dev->caps.qpc_sz);
modify_qp_reset_to_init(ibqp, attr, attr_mask, context,
qpc_mask);
} else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) {
@@ -4532,8 +4763,9 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
* we should set all bits of the relevant fields in context mask to
* 0 at the same time, else set them to 0x1.
*/
- memset(context, 0, sizeof(*context));
- memset(qpc_mask, 0xff, sizeof(*qpc_mask));
+ memset(context, 0, hr_dev->caps.qpc_sz);
+ memset(qpc_mask, 0xff, hr_dev->caps.qpc_sz);
+
ret = hns_roce_v2_set_abs_fields(ibqp, attr, attr_mask, cur_state,
new_state, context, qpc_mask);
if (ret)
@@ -4583,7 +4815,7 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
V2_QPC_BYTE_60_QP_ST_S, 0);
/* SW pass context to HW */
- ret = hns_roce_v2_qp_modify(hr_dev, ctx, hr_qp);
+ ret = hns_roce_v2_qp_modify(hr_dev, context, qpc_mask, hr_qp);
if (ret) {
ibdev_err(ibdev, "failed to modify QP, ret = %d\n", ret);
goto out;
@@ -4646,7 +4878,7 @@ static int hns_roce_v2_query_qpc(struct hns_roce_dev *hr_dev,
if (ret)
goto out;
- memcpy(hr_context, mailbox->buf, sizeof(*hr_context));
+ memcpy(hr_context, mailbox->buf, hr_dev->caps.qpc_sz);
out:
hns_roce_free_cmd_mailbox(hr_dev, mailbox);
@@ -4759,7 +4991,9 @@ static int hns_roce_v2_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
qp_attr->retry_cnt = roce_get_field(context.byte_212_lsn,
V2_QPC_BYTE_212_RETRY_CNT_M,
V2_QPC_BYTE_212_RETRY_CNT_S);
- qp_attr->rnr_retry = le32_to_cpu(context.rq_rnr_timer);
+ qp_attr->rnr_retry = roce_get_field(context.byte_244_rnr_rxack,
+ V2_QPC_BYTE_244_RNR_CNT_M,
+ V2_QPC_BYTE_244_RNR_CNT_S);
done:
qp_attr->cur_qp_state = qp_attr->qp_state;
@@ -4775,6 +5009,7 @@ done:
}
qp_init_attr->cap = qp_attr->cap;
+ qp_init_attr->sq_sig_type = hr_qp->sq_signal_bits;
out:
mutex_unlock(&hr_qp->mutex);
@@ -5004,6 +5239,10 @@ static int hns_roce_v2_modify_srq(struct ib_srq *ibsrq,
struct hns_roce_cmd_mailbox *mailbox;
int ret;
+ /* Resizing SRQs is not supported yet */
+ if (srq_attr_mask & IB_SRQ_MAX_WR)
+ return -EINVAL;
+
if (srq_attr_mask & IB_SRQ_LIMIT) {
if (srq_attr->srq_limit >= srq->wqe_cnt)
return -EINVAL;
@@ -5233,7 +5472,7 @@ static struct hns_roce_aeqe *next_aeqe_sw_v2(struct hns_roce_eq *eq)
aeqe = hns_roce_buf_offset(eq->mtr.kmem,
(eq->cons_index & (eq->entries - 1)) *
- HNS_ROCE_AEQ_ENTRY_SIZE);
+ eq->eqe_size);
return (roce_get_bit(aeqe->asyn, HNS_ROCE_V2_AEQ_AEQE_OWNER_S) ^
!!(eq->cons_index & eq->entries)) ? aeqe : NULL;
@@ -5333,7 +5572,8 @@ static struct hns_roce_ceqe *next_ceqe_sw_v2(struct hns_roce_eq *eq)
ceqe = hns_roce_buf_offset(eq->mtr.kmem,
(eq->cons_index & (eq->entries - 1)) *
- HNS_ROCE_CEQ_ENTRY_SIZE);
+ eq->eqe_size);
+
return (!!(roce_get_bit(ceqe->comp, HNS_ROCE_V2_CEQ_CEQE_OWNER_S))) ^
(!!(eq->cons_index & eq->entries)) ? ceqe : NULL;
}
@@ -5374,7 +5614,7 @@ static irqreturn_t hns_roce_v2_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 = 0;
+ int int_work;
if (eq->type_flag == HNS_ROCE_CEQ)
/* Completion event interrupt */
@@ -5609,14 +5849,16 @@ static int config_eqc(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq,
roce_set_field(eqc->byte_36, HNS_ROCE_EQC_CONS_INDX_M,
HNS_ROCE_EQC_CONS_INDX_S, HNS_ROCE_EQ_INIT_CONS_IDX);
- /* set nex_eqe_ba[43:12] */
- roce_set_field(eqc->nxt_eqe_ba0, HNS_ROCE_EQC_NXT_EQE_BA_L_M,
+ roce_set_field(eqc->byte_40, HNS_ROCE_EQC_NXT_EQE_BA_L_M,
HNS_ROCE_EQC_NXT_EQE_BA_L_S, eqe_ba[1] >> 12);
- /* set nex_eqe_ba[63:44] */
- roce_set_field(eqc->nxt_eqe_ba1, HNS_ROCE_EQC_NXT_EQE_BA_H_M,
+ roce_set_field(eqc->byte_44, HNS_ROCE_EQC_NXT_EQE_BA_H_M,
HNS_ROCE_EQC_NXT_EQE_BA_H_S, eqe_ba[1] >> 44);
+ roce_set_field(eqc->byte_44, HNS_ROCE_EQC_EQE_SIZE_M,
+ HNS_ROCE_EQC_EQE_SIZE_S,
+ eq->eqe_size == HNS_ROCE_V3_EQE_SIZE ? 1 : 0);
+
return 0;
}
@@ -5807,7 +6049,7 @@ static int hns_roce_v2_init_eq_table(struct hns_roce_dev *hr_dev)
eq_cmd = HNS_ROCE_CMD_CREATE_CEQC;
eq->type_flag = HNS_ROCE_CEQ;
eq->entries = hr_dev->caps.ceqe_depth;
- eq->eqe_size = HNS_ROCE_CEQ_ENTRY_SIZE;
+ eq->eqe_size = hr_dev->caps.ceqe_size;
eq->irq = hr_dev->irq[i + other_num + aeq_num];
eq->eq_max_cnt = HNS_ROCE_CEQ_DEFAULT_BURST_NUM;
eq->eq_period = HNS_ROCE_CEQ_DEFAULT_INTERVAL;
@@ -5816,7 +6058,7 @@ static int hns_roce_v2_init_eq_table(struct hns_roce_dev *hr_dev)
eq_cmd = HNS_ROCE_CMD_CREATE_AEQC;
eq->type_flag = HNS_ROCE_AEQ;
eq->entries = hr_dev->caps.aeqe_depth;
- eq->eqe_size = HNS_ROCE_AEQ_ENTRY_SIZE;
+ eq->eqe_size = hr_dev->caps.aeqe_size;
eq->irq = hr_dev->irq[i - comp_num + other_num];
eq->eq_max_cnt = HNS_ROCE_AEQ_DEFAULT_BURST_NUM;
eq->eq_period = HNS_ROCE_AEQ_DEFAULT_INTERVAL;