diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/qp.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 4548 |
1 files changed, 1822 insertions, 2726 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 957f3a52589b..40d9410ec303 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -30,7 +30,7 @@ * SOFTWARE. */ -#include <linux/module.h> +#include <linux/etherdevice.h> #include <rdma/ib_umem.h> #include <rdma/ib_cache.h> #include <rdma/ib_user_verbs.h> @@ -38,10 +38,11 @@ #include <linux/mlx5/fs.h> #include "mlx5_ib.h" #include "ib_rep.h" +#include "counters.h" #include "cmd.h" - -/* not supported currently */ -static int wq_signature; +#include "umr.h" +#include "qp.h" +#include "wr.h" enum { MLX5_IB_ACK_REQ_FREQ = 8, @@ -54,32 +55,6 @@ enum { MLX5_IB_LINK_TYPE_ETH = 1 }; -enum { - MLX5_IB_SQ_STRIDE = 6, - MLX5_IB_SQ_UMR_INLINE_THRESHOLD = 64, -}; - -static const u32 mlx5_ib_opcode[] = { - [IB_WR_SEND] = MLX5_OPCODE_SEND, - [IB_WR_LSO] = MLX5_OPCODE_LSO, - [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, - [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, - [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, - [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, - [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, - [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, - [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, - [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, - [IB_WR_REG_MR] = MLX5_OPCODE_UMR, - [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, - [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, - [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, -}; - -struct mlx5_wqe_eth_pad { - u8 rsvd0[16]; -}; - enum raw_qp_set_mask_map { MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, @@ -93,7 +68,7 @@ struct mlx5_modify_raw_qp_param { struct mlx5_rate_limit rl; u8 rq_q_ctr_id; - u16 port; + u32 port; }; static void get_cqs(enum ib_qp_type qp_type, @@ -391,17 +366,26 @@ static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, cap->max_recv_wr = 0; cap->max_recv_sge = 0; } else { + int wq_sig = !!(qp->flags_en & MLX5_QP_FLAG_SIGNATURE); + if (ucmd) { qp->rq.wqe_cnt = ucmd->rq_wqe_count; if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) return -EINVAL; qp->rq.wqe_shift = ucmd->rq_wqe_shift; - if ((1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) < qp->wq_sig) + if ((1 << qp->rq.wqe_shift) / + sizeof(struct mlx5_wqe_data_seg) < + wq_sig) return -EINVAL; - qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; + qp->rq.max_gs = + (1 << qp->rq.wqe_shift) / + sizeof(struct mlx5_wqe_data_seg) - + wq_sig; qp->rq.max_post = qp->rq.wqe_cnt; } else { - wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; + wqe_size = + wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : + 0; wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); wqe_size = roundup_pow_of_two(wqe_size); wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; @@ -415,7 +399,10 @@ static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, return -EINVAL; } qp->rq.wqe_shift = ilog2(wqe_size); - qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; + qp->rq.max_gs = + (1 << qp->rq.wqe_shift) / + sizeof(struct mlx5_wqe_data_seg) - + wq_sig; qp->rq.max_post = qp->rq.wqe_cnt; } } @@ -430,7 +417,7 @@ static int sq_overhead(struct ib_qp_init_attr *attr) switch (attr->qp_type) { case IB_QPT_XRC_INI: size += sizeof(struct mlx5_wqe_xrc_seg); - /* fall through */ + fallthrough; case IB_QPT_RC: size += sizeof(struct mlx5_wqe_ctrl_seg) + max(sizeof(struct mlx5_wqe_atomic_seg) + @@ -455,7 +442,7 @@ static int sq_overhead(struct ib_qp_init_attr *attr) if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) size += sizeof(struct mlx5_wqe_eth_pad) + sizeof(struct mlx5_wqe_eth_seg); - /* fall through */ + fallthrough; case IB_QPT_SMI: case MLX5_IB_QPT_HW_GSI: size += sizeof(struct mlx5_wqe_ctrl_seg) + @@ -595,7 +582,7 @@ static int set_user_buf_size(struct mlx5_ib_dev *dev, } if (attr->qp_type == IB_QPT_RAW_PACKET || - qp->flags & MLX5_IB_QP_UNDERLAY) { + qp->flags & IB_QP_CREATE_SOURCE_QPN) { base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; } else { @@ -628,7 +615,8 @@ enum { static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) { - return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; + return get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * + bfregi->num_static_sys_pages * MLX5_NON_FP_BFREGS_PER_UAR; } static int num_med_bfreg(struct mlx5_ib_dev *dev, @@ -697,6 +685,9 @@ static int alloc_bfreg(struct mlx5_ib_dev *dev, { int bfregn = -ENOMEM; + if (bfregi->lib_uar_dyn) + return -EINVAL; + mutex_lock(&bfregi->lock); if (bfregi->ver >= 2) { bfregn = alloc_high_class_bfreg(dev, bfregi); @@ -747,10 +738,7 @@ static int to_mlx5_st(enum ib_qp_type type) case IB_QPT_SMI: return MLX5_QP_ST_QP0; case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; - case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; - case IB_QPT_RAW_PACKET: - case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; - case IB_QPT_MAX: + case IB_QPT_RAW_PACKET: return MLX5_QP_ST_RAW_ETHERTYPE; default: return -EINVAL; } } @@ -768,6 +756,9 @@ int bfregn_to_uar_index(struct mlx5_ib_dev *dev, u32 index_of_sys_page; u32 offset; + if (bfregi->lib_uar_dyn) + return -EINVAL; + bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * MLX5_NON_FP_BFREGS_PER_UAR; index_of_sys_page = bfregn / bfregs_per_sys_page; @@ -789,39 +780,6 @@ int bfregn_to_uar_index(struct mlx5_ib_dev *dev, return bfregi->sys_pages[index_of_sys_page] + offset; } -static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata, - unsigned long addr, size_t size, - struct ib_umem **umem, int *npages, int *page_shift, - int *ncont, u32 *offset) -{ - int err; - - *umem = ib_umem_get(&dev->ib_dev, addr, size, 0); - if (IS_ERR(*umem)) { - mlx5_ib_dbg(dev, "umem_get failed\n"); - return PTR_ERR(*umem); - } - - mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); - - err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); - if (err) { - mlx5_ib_warn(dev, "bad offset\n"); - goto err_umem; - } - - mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", - addr, size, *npages, *page_shift, *ncont, *offset); - - return 0; - -err_umem: - ib_umem_release(*umem); - *umem = NULL; - - return err; -} - static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, struct mlx5_ib_rwq *rwq, struct ib_udata *udata) { @@ -844,10 +802,8 @@ static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, { struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( udata, struct mlx5_ib_ucontext, ibucontext); - int page_shift = 0; - int npages; + unsigned long page_size = 0; u32 offset = 0; - int ncont = 0; int err; if (!ucmd->buf_addr) @@ -860,31 +816,33 @@ static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, return err; } - mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, - &ncont, NULL); - err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, - &rwq->rq_page_offset); - if (err) { + page_size = mlx5_umem_find_best_quantized_pgoff( + rwq->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, + page_offset, 64, &rwq->rq_page_offset); + if (!page_size) { mlx5_ib_warn(dev, "bad offset\n"); + err = -EINVAL; goto err_umem; } - rwq->rq_num_pas = ncont; - rwq->page_shift = page_shift; - rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; + rwq->rq_num_pas = ib_umem_num_dma_blocks(rwq->umem, page_size); + rwq->page_shift = order_base_2(page_size); + rwq->log_page_size = rwq->page_shift - MLX5_ADAPTER_PAGE_SHIFT; rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); - mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", - (unsigned long long)ucmd->buf_addr, rwq->buf_size, - npages, page_shift, ncont, offset); + mlx5_ib_dbg( + dev, + "addr 0x%llx, size %zd, npages %zu, page_size %ld, ncont %d, offset %d\n", + (unsigned long long)ucmd->buf_addr, rwq->buf_size, + ib_umem_num_pages(rwq->umem), page_size, rwq->rq_num_pas, + offset); - err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); + err = mlx5_ib_db_map_user(ucontext, ucmd->db_addr, &rwq->db); if (err) { mlx5_ib_dbg(dev, "map failed\n"); goto err_umem; } - rwq->create_type = MLX5_WQ_USER; return 0; err_umem: @@ -899,53 +857,51 @@ static int adjust_bfregn(struct mlx5_ib_dev *dev, bfregn % MLX5_NON_FP_BFREGS_PER_UAR; } -static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, - struct mlx5_ib_qp *qp, struct ib_udata *udata, - struct ib_qp_init_attr *attr, - u32 **in, - struct mlx5_ib_create_qp_resp *resp, int *inlen, - struct mlx5_ib_qp_base *base) +static int _create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, + struct mlx5_ib_qp *qp, struct ib_udata *udata, + struct ib_qp_init_attr *attr, u32 **in, + struct mlx5_ib_create_qp_resp *resp, int *inlen, + struct mlx5_ib_qp_base *base, + struct mlx5_ib_create_qp *ucmd) { struct mlx5_ib_ucontext *context; - struct mlx5_ib_create_qp ucmd; struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; - int page_shift = 0; + unsigned int page_offset_quantized = 0; + unsigned long page_size = 0; int uar_index = 0; - int npages; - u32 offset = 0; int bfregn; int ncont = 0; __be64 *pas; void *qpc; int err; u16 uid; - - err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); - if (err) { - mlx5_ib_dbg(dev, "copy failed\n"); - return err; - } + u32 uar_flags; context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, ibucontext); - if (ucmd.flags & MLX5_QP_FLAG_BFREG_INDEX) { + uar_flags = qp->flags_en & + (MLX5_QP_FLAG_UAR_PAGE_INDEX | MLX5_QP_FLAG_BFREG_INDEX); + switch (uar_flags) { + case MLX5_QP_FLAG_UAR_PAGE_INDEX: + uar_index = ucmd->bfreg_index; + bfregn = MLX5_IB_INVALID_BFREG; + break; + case MLX5_QP_FLAG_BFREG_INDEX: uar_index = bfregn_to_uar_index(dev, &context->bfregi, - ucmd.bfreg_index, true); + ucmd->bfreg_index, true); if (uar_index < 0) return uar_index; - bfregn = MLX5_IB_INVALID_BFREG; - } else if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) { - /* - * TBD: should come from the verbs when we have the API - */ - /* In CROSS_CHANNEL CQ and QP must use the same UAR */ - bfregn = MLX5_CROSS_CHANNEL_BFREG; - } - else { + break; + case 0: + if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) + return -EINVAL; bfregn = alloc_bfreg(dev, &context->bfregi); if (bfregn < 0) return bfregn; + break; + default: + return -EINVAL; } mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); @@ -957,17 +913,27 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; - err = set_user_buf_size(dev, qp, &ucmd, base, attr); + err = set_user_buf_size(dev, qp, ucmd, base, attr); if (err) goto err_bfreg; - if (ucmd.buf_addr && ubuffer->buf_size) { - ubuffer->buf_addr = ucmd.buf_addr; - err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, - ubuffer->buf_size, &ubuffer->umem, - &npages, &page_shift, &ncont, &offset); - if (err) + if (ucmd->buf_addr && ubuffer->buf_size) { + ubuffer->buf_addr = ucmd->buf_addr; + ubuffer->umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, + ubuffer->buf_size, 0); + if (IS_ERR(ubuffer->umem)) { + err = PTR_ERR(ubuffer->umem); goto err_bfreg; + } + page_size = mlx5_umem_find_best_quantized_pgoff( + ubuffer->umem, qpc, log_page_size, + MLX5_ADAPTER_PAGE_SHIFT, page_offset, 64, + &page_offset_quantized); + if (!page_size) { + err = -EINVAL; + goto err_umem; + } + ncont = ib_umem_num_dma_blocks(ubuffer->umem, page_size); } else { ubuffer->umem = NULL; } @@ -980,18 +946,16 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, goto err_umem; } - uid = (attr->qp_type != IB_QPT_XRC_TGT && - attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; + uid = (attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; MLX5_SET(create_qp_in, *in, uid, uid); - pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); - if (ubuffer->umem) - mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); - qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); - - MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); - MLX5_SET(qpc, qpc, page_offset, offset); - + pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); + if (ubuffer->umem) { + mlx5_ib_populate_pas(ubuffer->umem, page_size, pas, 0); + MLX5_SET(qpc, qpc, log_page_size, + order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); + MLX5_SET(qpc, qpc, page_offset, page_offset_quantized); + } MLX5_SET(qpc, qpc, uar_page, uar_index); if (bfregn != MLX5_IB_INVALID_BFREG) resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); @@ -999,24 +963,14 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, resp->bfreg_index = MLX5_IB_INVALID_BFREG; qp->bfregn = bfregn; - err = mlx5_ib_db_map_user(context, udata, ucmd.db_addr, &qp->db); + err = mlx5_ib_db_map_user(context, ucmd->db_addr, &qp->db); if (err) { mlx5_ib_dbg(dev, "map failed\n"); goto err_free; } - err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); - if (err) { - mlx5_ib_dbg(dev, "copy failed\n"); - goto err_unmap; - } - qp->create_type = MLX5_QP_USER; - return 0; -err_unmap: - mlx5_ib_db_unmap_user(context, &qp->db); - err_free: kvfree(*in); @@ -1029,72 +983,50 @@ err_bfreg: return err; } -static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, - struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base, - struct ib_udata *udata) +static void destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, + struct mlx5_ib_qp_base *base, struct ib_udata *udata) { - struct mlx5_ib_ucontext *context = - rdma_udata_to_drv_context( - udata, - struct mlx5_ib_ucontext, - ibucontext); - - mlx5_ib_db_unmap_user(context, &qp->db); - ib_umem_release(base->ubuffer.umem); - - /* - * Free only the BFREGs which are handled by the kernel. - * BFREGs of UARs allocated dynamically are handled by user. - */ - if (qp->bfregn != MLX5_IB_INVALID_BFREG) - mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); -} + struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( + udata, struct mlx5_ib_ucontext, ibucontext); -/* get_sq_edge - Get the next nearby edge. - * - * An 'edge' is defined as the first following address after the end - * of the fragment or the SQ. Accordingly, during the WQE construction - * which repetitively increases the pointer to write the next data, it - * simply should check if it gets to an edge. - * - * @sq - SQ buffer. - * @idx - Stride index in the SQ buffer. - * - * Return: - * The new edge. - */ -static void *get_sq_edge(struct mlx5_ib_wq *sq, u32 idx) -{ - void *fragment_end; + if (udata) { + /* User QP */ + mlx5_ib_db_unmap_user(context, &qp->db); + ib_umem_release(base->ubuffer.umem); - fragment_end = mlx5_frag_buf_get_wqe - (&sq->fbc, - mlx5_frag_buf_get_idx_last_contig_stride(&sq->fbc, idx)); + /* + * Free only the BFREGs which are handled by the kernel. + * BFREGs of UARs allocated dynamically are handled by user. + */ + if (qp->bfregn != MLX5_IB_INVALID_BFREG) + mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); + return; + } - return fragment_end + MLX5_SEND_WQE_BB; + /* Kernel QP */ + kvfree(qp->sq.wqe_head); + kvfree(qp->sq.w_list); + kvfree(qp->sq.wrid); + kvfree(qp->sq.wr_data); + kvfree(qp->rq.wrid); + if (qp->db.db) + mlx5_db_free(dev->mdev, &qp->db); + if (qp->buf.frags) + mlx5_frag_buf_free(dev->mdev, &qp->buf); } -static int create_kernel_qp(struct mlx5_ib_dev *dev, - struct ib_qp_init_attr *init_attr, - struct mlx5_ib_qp *qp, - u32 **in, int *inlen, - struct mlx5_ib_qp_base *base) +static int _create_kernel_qp(struct mlx5_ib_dev *dev, + struct ib_qp_init_attr *init_attr, + struct mlx5_ib_qp *qp, u32 **in, int *inlen, + struct mlx5_ib_qp_base *base) { int uar_index; void *qpc; int err; - if (init_attr->create_flags & ~(IB_QP_CREATE_INTEGRITY_EN | - IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | - IB_QP_CREATE_IPOIB_UD_LSO | - IB_QP_CREATE_NETIF_QP | - MLX5_IB_QP_CREATE_SQPN_QP1 | - MLX5_IB_QP_CREATE_WC_TEST)) - return -EINVAL; - if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) qp->bf.bfreg = &dev->fp_bfreg; - else if (init_attr->create_flags & MLX5_IB_QP_CREATE_WC_TEST) + else if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) qp->bf.bfreg = &dev->wc_bfreg; else qp->bf.bfreg = &dev->bfreg; @@ -1148,16 +1080,15 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); MLX5_SET(qpc, qpc, uar_page, uar_index); + MLX5_SET(qpc, qpc, ts_format, mlx5_get_qp_default_ts(dev->mdev)); MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); /* Set "fast registration enabled" for all kernel QPs */ MLX5_SET(qpc, qpc, fre, 1); MLX5_SET(qpc, qpc, rlky, 1); - if (init_attr->create_flags & MLX5_IB_QP_CREATE_SQPN_QP1) { + if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) MLX5_SET(qpc, qpc, deth_sqpn, 1); - qp->flags |= MLX5_IB_QP_SQPN_QP1; - } mlx5_fill_page_frag_array(&qp->buf, (__be64 *)MLX5_ADDR_OF(create_qp_in, @@ -1185,7 +1116,6 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, err = -ENOMEM; goto err_wrid; } - qp->create_type = MLX5_QP_KERNEL; return 0; @@ -1205,36 +1135,15 @@ err_buf: return err; } -static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) -{ - kvfree(qp->sq.wqe_head); - kvfree(qp->sq.w_list); - kvfree(qp->sq.wrid); - kvfree(qp->sq.wr_data); - kvfree(qp->rq.wrid); - mlx5_db_free(dev->mdev, &qp->db); - mlx5_frag_buf_free(dev->mdev, &qp->buf); -} - static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) { - if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || - (attr->qp_type == MLX5_IB_QPT_DCI) || - (attr->qp_type == IB_QPT_XRC_INI)) + if (attr->srq || (qp->type == IB_QPT_XRC_TGT) || + (qp->type == MLX5_IB_QPT_DCI) || (qp->type == IB_QPT_XRC_INI)) return MLX5_SRQ_RQ; else if (!qp->has_rq) return MLX5_ZERO_LEN_RQ; - else - return MLX5_NON_ZERO_RQ; -} - -static int is_connected(enum ib_qp_type qp_type) -{ - if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC || - qp_type == MLX5_IB_QPT_DCI) - return 1; - return 0; + return MLX5_NON_ZERO_RQ; } static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, @@ -1242,15 +1151,15 @@ static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, struct mlx5_ib_sq *sq, u32 tdn, struct ib_pd *pd) { - u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; + u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {}; void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); MLX5_SET(tisc, tisc, transport_domain, tdn); - if (qp->flags & MLX5_IB_QP_UNDERLAY) + if (qp->flags & IB_QP_CREATE_SOURCE_QPN) MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); - return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); + return mlx5_core_create_tis(dev->mdev, in, &sq->tisn); } static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, @@ -1266,10 +1175,85 @@ static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) sq->flow_rule = NULL; } +static bool fr_supported(int ts_cap) +{ + return ts_cap == MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING || + ts_cap == MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME; +} + +static int get_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq, + bool fr_sup, bool rt_sup) +{ + if (cq->private_flags & MLX5_IB_CQ_PR_FLAGS_REAL_TIME_TS) { + if (!rt_sup) { + mlx5_ib_dbg(dev, + "Real time TS format is not supported\n"); + return -EOPNOTSUPP; + } + return MLX5_TIMESTAMP_FORMAT_REAL_TIME; + } + if (cq->create_flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION) { + if (!fr_sup) { + mlx5_ib_dbg(dev, + "Free running TS format is not supported\n"); + return -EOPNOTSUPP; + } + return MLX5_TIMESTAMP_FORMAT_FREE_RUNNING; + } + return fr_sup ? MLX5_TIMESTAMP_FORMAT_FREE_RUNNING : + MLX5_TIMESTAMP_FORMAT_DEFAULT; +} + +static int get_rq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *recv_cq) +{ + u8 ts_cap = MLX5_CAP_GEN(dev->mdev, rq_ts_format); + + return get_ts_format(dev, recv_cq, fr_supported(ts_cap), + rt_supported(ts_cap)); +} + +static int get_sq_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq) +{ + u8 ts_cap = MLX5_CAP_GEN(dev->mdev, sq_ts_format); + + return get_ts_format(dev, send_cq, fr_supported(ts_cap), + rt_supported(ts_cap)); +} + +static int get_qp_ts_format(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *send_cq, + struct mlx5_ib_cq *recv_cq) +{ + u8 ts_cap = MLX5_CAP_ROCE(dev->mdev, qp_ts_format); + bool fr_sup = fr_supported(ts_cap); + bool rt_sup = rt_supported(ts_cap); + u8 default_ts = fr_sup ? MLX5_TIMESTAMP_FORMAT_FREE_RUNNING : + MLX5_TIMESTAMP_FORMAT_DEFAULT; + int send_ts_format = + send_cq ? get_ts_format(dev, send_cq, fr_sup, rt_sup) : + default_ts; + int recv_ts_format = + recv_cq ? get_ts_format(dev, recv_cq, fr_sup, rt_sup) : + default_ts; + + if (send_ts_format < 0 || recv_ts_format < 0) + return -EOPNOTSUPP; + + if (send_ts_format != MLX5_TIMESTAMP_FORMAT_DEFAULT && + recv_ts_format != MLX5_TIMESTAMP_FORMAT_DEFAULT && + send_ts_format != recv_ts_format) { + mlx5_ib_dbg( + dev, + "The send ts_format does not match the receive ts_format\n"); + return -EOPNOTSUPP; + } + + return send_ts_format == default_ts ? recv_ts_format : send_ts_format; +} + static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, struct ib_udata *udata, struct mlx5_ib_sq *sq, void *qpin, - struct ib_pd *pd) + struct ib_pd *pd, struct mlx5_ib_cq *cq) { struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; __be64 *pas; @@ -1279,18 +1263,29 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, void *wq; int inlen; int err; - int page_shift = 0; - int npages; - int ncont = 0; - u32 offset = 0; - - err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size, - &sq->ubuffer.umem, &npages, &page_shift, &ncont, - &offset); - if (err) - return err; + unsigned int page_offset_quantized; + unsigned long page_size; + int ts_format; + + ts_format = get_sq_ts_format(dev, cq); + if (ts_format < 0) + return ts_format; + + sq->ubuffer.umem = ib_umem_get(&dev->ib_dev, ubuffer->buf_addr, + ubuffer->buf_size, 0); + if (IS_ERR(sq->ubuffer.umem)) + return PTR_ERR(sq->ubuffer.umem); + page_size = mlx5_umem_find_best_quantized_pgoff( + ubuffer->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, + page_offset, 64, &page_offset_quantized); + if (!page_size) { + err = -EINVAL; + goto err_umem; + } - inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; + inlen = MLX5_ST_SZ_BYTES(create_sq_in) + + sizeof(u64) * + ib_umem_num_dma_blocks(sq->ubuffer.umem, page_size); in = kvzalloc(inlen, GFP_KERNEL); if (!in) { err = -ENOMEM; @@ -1303,6 +1298,7 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); + MLX5_SET(sqc, sqc, ts_format, ts_format); MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); MLX5_SET(sqc, sqc, tis_lst_sz, 1); @@ -1318,13 +1314,14 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); - MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); - MLX5_SET(wq, wq, page_offset, offset); + MLX5_SET(wq, wq, log_wq_pg_sz, + order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); + MLX5_SET(wq, wq, page_offset, page_offset_quantized); pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); - mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); + mlx5_ib_populate_pas(sq->ubuffer.umem, page_size, pas, 0); - err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); + err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp); kvfree(in); @@ -1344,44 +1341,40 @@ static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, struct mlx5_ib_sq *sq) { destroy_flow_rule_vport_sq(sq); - mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); + mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp); ib_umem_release(sq->ubuffer.umem); } -static size_t get_rq_pas_size(void *qpc) -{ - u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; - u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); - u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); - u32 page_offset = MLX5_GET(qpc, qpc, page_offset); - u32 po_quanta = 1 << (log_page_size - 6); - u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); - u32 page_size = 1 << log_page_size; - u32 rq_sz_po = rq_sz + (page_offset * po_quanta); - u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; - - return rq_num_pas * sizeof(u64); -} - static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, void *qpin, - size_t qpinlen, struct ib_pd *pd) + struct ib_pd *pd, struct mlx5_ib_cq *cq) { struct mlx5_ib_qp *mqp = rq->base.container_mibqp; __be64 *pas; - __be64 *qp_pas; void *in; void *rqc; void *wq; void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); - size_t rq_pas_size = get_rq_pas_size(qpc); + struct ib_umem *umem = rq->base.ubuffer.umem; + unsigned int page_offset_quantized; + unsigned long page_size = 0; + int ts_format; size_t inlen; int err; - if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) + ts_format = get_rq_ts_format(dev, cq); + if (ts_format < 0) + return ts_format; + + page_size = mlx5_umem_find_best_quantized_pgoff(umem, wq, log_wq_pg_sz, + MLX5_ADAPTER_PAGE_SHIFT, + page_offset, 64, + &page_offset_quantized); + if (!page_size) return -EINVAL; - inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; + inlen = MLX5_ST_SZ_BYTES(create_rq_in) + + sizeof(u64) * ib_umem_num_dma_blocks(umem, page_size); in = kvzalloc(inlen, GFP_KERNEL); if (!in) return -ENOMEM; @@ -1392,29 +1385,30 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, MLX5_SET(rqc, rqc, vsd, 1); MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); + MLX5_SET(rqc, rqc, ts_format, ts_format); MLX5_SET(rqc, rqc, flush_in_error_en, 1); MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); - if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) + if (mqp->flags & IB_QP_CREATE_SCATTER_FCS) MLX5_SET(rqc, rqc, scatter_fcs, 1); wq = MLX5_ADDR_OF(rqc, rqc, wq); MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); - MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); + MLX5_SET(wq, wq, page_offset, page_offset_quantized); MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); - MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); + MLX5_SET(wq, wq, log_wq_pg_sz, + order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT); MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); - qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); - memcpy(pas, qp_pas, rq_pas_size); + mlx5_ib_populate_pas(umem, page_size, pas, 0); - err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); + err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp); kvfree(in); @@ -1424,14 +1418,7 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq) { - mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); -} - -static bool tunnel_offload_supported(struct mlx5_core_dev *dev) -{ - return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || - MLX5_CAP_ETH(dev, tunnel_stateless_gre) || - MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); + mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp); } static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, @@ -1447,9 +1434,8 @@ static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, u32 tdn, - u32 *qp_flags_en, - struct ib_pd *pd, - u32 *out, int outlen) + u32 *qp_flags_en, struct ib_pd *pd, + u32 *out) { u8 lb_flag = 0; u32 *in; @@ -1482,9 +1468,8 @@ static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, } MLX5_SET(tirc, tirc, self_lb_block, lb_flag); - - err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen); - + MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); + err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); rq->tirn = MLX5_GET(create_tir_out, out, tirn); if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { err = mlx5_ib_enable_lb(dev, false, true); @@ -1498,10 +1483,10 @@ static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, } static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, - u32 *in, size_t inlen, - struct ib_pd *pd, + u32 *in, size_t inlen, struct ib_pd *pd, struct ib_udata *udata, - struct mlx5_ib_create_qp_resp *resp) + struct mlx5_ib_create_qp_resp *resp, + struct ib_qp_init_attr *init_attr) { struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; struct mlx5_ib_sq *sq = &raw_packet_qp->sq; @@ -1513,12 +1498,15 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, u16 uid = to_mpd(pd)->uid; u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; + if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt) + return -EINVAL; if (qp->sq.wqe_cnt) { err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); if (err) return err; - err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); + err = create_raw_packet_qp_sq(dev, udata, sq, in, pd, + to_mcq(init_attr->send_cq)); if (err) goto err_destroy_tis; @@ -1536,17 +1524,17 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, if (qp->rq.wqe_cnt) { rq->base.container_mibqp = qp; - if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) + if (qp->flags & IB_QP_CREATE_CVLAN_STRIPPING) rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; - if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) + if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; - err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); + err = create_raw_packet_qp_rq(dev, rq, in, pd, + to_mcq(init_attr->recv_cq)); if (err) goto err_destroy_sq; - err = create_raw_packet_qp_tir( - dev, rq, tdn, &qp->flags_en, pd, out, - MLX5_ST_SZ_BYTES(create_tir_out)); + err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd, + out); if (err) goto err_destroy_rq; @@ -1555,7 +1543,8 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; resp->tirn = rq->tirn; resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; - if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { + if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || + MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { resp->tir_icm_addr = MLX5_GET( create_tir_out, out, icm_address_31_0); resp->tir_icm_addr |= @@ -1574,14 +1563,8 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : rq->base.mqp.qpn; - err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); - if (err) - goto err_destroy_tir; - return 0; -err_destroy_tir: - destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, pd); err_destroy_rq: destroy_raw_packet_qp_rq(dev, rq); err_destroy_sq: @@ -1633,14 +1616,27 @@ static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *q to_mpd(qp->ibqp.pd)->uid); } -static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, - struct ib_pd *pd, - struct ib_qp_init_attr *init_attr, - struct ib_udata *udata) +struct mlx5_create_qp_params { + struct ib_udata *udata; + size_t inlen; + size_t outlen; + size_t ucmd_size; + void *ucmd; + u8 is_rss_raw : 1; + struct ib_qp_init_attr *attr; + u32 uidx; + struct mlx5_ib_create_qp_resp resp; +}; + +static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct ib_pd *pd, + struct mlx5_ib_qp *qp, + struct mlx5_create_qp_params *params) { + struct ib_qp_init_attr *init_attr = params->attr; + struct mlx5_ib_create_qp_rss *ucmd = params->ucmd; + struct ib_udata *udata = params->udata; struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( udata, struct mlx5_ib_ucontext, ibucontext); - struct mlx5_ib_create_qp_resp resp = {}; int inlen; int outlen; int err; @@ -1650,79 +1646,28 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, void *hfso; u32 selected_fields = 0; u32 outer_l4; - size_t min_resp_len; u32 tdn = mucontext->tdn; - struct mlx5_ib_create_qp_rss ucmd = {}; - size_t required_cmd_sz; u8 lb_flag = 0; - if (init_attr->qp_type != IB_QPT_RAW_PACKET) - return -EOPNOTSUPP; - - if (init_attr->create_flags || init_attr->send_cq) - return -EINVAL; - - min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); - if (udata->outlen < min_resp_len) - return -EINVAL; - - required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); - if (udata->inlen < required_cmd_sz) { - mlx5_ib_dbg(dev, "invalid inlen\n"); - return -EINVAL; - } - - if (udata->inlen > sizeof(ucmd) && - !ib_is_udata_cleared(udata, sizeof(ucmd), - udata->inlen - sizeof(ucmd))) { - mlx5_ib_dbg(dev, "inlen is not supported\n"); - return -EOPNOTSUPP; - } - - if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { - mlx5_ib_dbg(dev, "copy failed\n"); - return -EFAULT; - } - - if (ucmd.comp_mask) { + if (ucmd->comp_mask) { mlx5_ib_dbg(dev, "invalid comp mask\n"); return -EOPNOTSUPP; } - if (ucmd.flags & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | - MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | - MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) { - mlx5_ib_dbg(dev, "invalid flags\n"); - return -EOPNOTSUPP; - } - - if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && - !tunnel_offload_supported(dev->mdev)) { - mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); - return -EOPNOTSUPP; - } - - if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && - !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { + if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER && + !(ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); return -EOPNOTSUPP; } - if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->is_rep) { - lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; + if (dev->is_rep) qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; - } - if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { - lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; - qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; - } + if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) + lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; - err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); - if (err) { - mlx5_ib_dbg(dev, "copy failed\n"); - return -EINVAL; - } + if (qp->flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) + lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; inlen = MLX5_ST_SZ_BYTES(create_tir_in); outlen = MLX5_ST_SZ_BYTES(create_tir_out); @@ -1741,29 +1686,29 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); - if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) + if (ucmd->flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) MLX5_SET(tirc, tirc, tunneled_offload_en, 1); MLX5_SET(tirc, tirc, self_lb_block, lb_flag); - if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) + if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_INNER) hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); else hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); - switch (ucmd.rx_hash_function) { + switch (ucmd->rx_hash_function) { case MLX5_RX_HASH_FUNC_TOEPLITZ: { void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); - if (len != ucmd.rx_key_len) { + if (len != ucmd->rx_key_len) { err = -EINVAL; goto err; } MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); - memcpy(rss_key, ucmd.rx_hash_key, len); + memcpy(rss_key, ucmd->rx_hash_key, len); break; } default: @@ -1771,7 +1716,7 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, goto err; } - if (!ucmd.rx_hash_fields_mask) { + if (!ucmd->rx_hash_fields_mask) { /* special case when this TIR serves as steering entry without hashing */ if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) goto create_tir; @@ -1779,29 +1724,31 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, goto err; } - if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && - ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { + if (((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && + ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { err = -EINVAL; goto err; } /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ - if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) + if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, MLX5_L3_PROT_TYPE_IPV4); - else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) + else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, MLX5_L3_PROT_TYPE_IPV6); - outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | - ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; + outer_l4 = ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) + << 0 | + ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) + << 1 | + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; /* Check that only one l4 protocol is set */ if (outer_l4 & (outer_l4 - 1)) { @@ -1810,38 +1757,39 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, } /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ - if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) + if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, MLX5_L4_PROT_TYPE_TCP); - else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) + else if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, MLX5_L4_PROT_TYPE_UDP); - if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) + if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; - if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) + if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; - if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) + if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; - if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) + if ((ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || + (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; - if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) + if (ucmd->rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); create_tir: - err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen); + MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR); + err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out); qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { @@ -1856,75 +1804,45 @@ create_tir: goto err; if (mucontext->devx_uid) { - resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; - resp.tirn = qp->rss_qp.tirn; - if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { - resp.tir_icm_addr = + params->resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; + params->resp.tirn = qp->rss_qp.tirn; + if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) || + MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner_v2)) { + params->resp.tir_icm_addr = MLX5_GET(create_tir_out, out, icm_address_31_0); - resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, - icm_address_39_32) - << 32; - resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, - icm_address_63_40) - << 40; - resp.comp_mask |= + params->resp.tir_icm_addr |= + (u64)MLX5_GET(create_tir_out, out, + icm_address_39_32) + << 32; + params->resp.tir_icm_addr |= + (u64)MLX5_GET(create_tir_out, out, + icm_address_63_40) + << 40; + params->resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; } } - err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); - if (err) - goto err_copy; - kvfree(in); /* qpn is reserved for that QP */ qp->trans_qp.base.mqp.qpn = 0; - qp->flags |= MLX5_IB_QP_RSS; + qp->is_rss = true; return 0; -err_copy: - mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, mucontext->devx_uid); err: kvfree(in); return err; } -static void configure_responder_scat_cqe(struct ib_qp_init_attr *init_attr, - void *qpc) -{ - int rcqe_sz; - - if (init_attr->qp_type == MLX5_IB_QPT_DCI) - return; - - rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); - - if (init_attr->qp_type == MLX5_IB_QPT_DCT) { - if (rcqe_sz == 128) - MLX5_SET(dctc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); - - return; - } - - MLX5_SET(qpc, qpc, cs_res, - rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : - MLX5_RES_SCAT_DATA32_CQE); -} - static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, + struct mlx5_ib_qp *qp, struct ib_qp_init_attr *init_attr, - struct mlx5_ib_create_qp *ucmd, void *qpc) { - enum ib_qp_type qpt = init_attr->qp_type; int scqe_sz; bool allow_scat_cqe = false; - if (qpt == IB_QPT_UC || qpt == IB_QPT_UD) - return; - - if (ucmd) - allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; + allow_scat_cqe = qp->flags_en & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) return; @@ -1987,274 +1905,355 @@ static int get_atomic_mode(struct mlx5_ib_dev *dev, return atomic_mode; } -static inline bool check_flags_mask(uint64_t input, uint64_t supported) +static int create_xrc_tgt_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, + struct mlx5_create_qp_params *params) { - return (input & ~supported) == 0; + struct ib_qp_init_attr *attr = params->attr; + u32 uidx = params->uidx; + struct mlx5_ib_resources *devr = &dev->devr; + u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; + int inlen = MLX5_ST_SZ_BYTES(create_qp_in); + struct mlx5_core_dev *mdev = dev->mdev; + struct mlx5_ib_qp_base *base; + unsigned long flags; + void *qpc; + u32 *in; + int err; + + if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) + qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; + + in = kvzalloc(inlen, GFP_KERNEL); + if (!in) + return -ENOMEM; + + qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); + + MLX5_SET(qpc, qpc, st, MLX5_QP_ST_XRC); + MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); + MLX5_SET(qpc, qpc, pd, to_mpd(devr->p0)->pdn); + + if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) + MLX5_SET(qpc, qpc, block_lb_mc, 1); + if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) + MLX5_SET(qpc, qpc, cd_master, 1); + if (qp->flags & IB_QP_CREATE_MANAGED_SEND) + MLX5_SET(qpc, qpc, cd_slave_send, 1); + if (qp->flags & IB_QP_CREATE_MANAGED_RECV) + MLX5_SET(qpc, qpc, cd_slave_receive, 1); + + MLX5_SET(qpc, qpc, ts_format, mlx5_get_qp_default_ts(dev->mdev)); + MLX5_SET(qpc, qpc, rq_type, MLX5_SRQ_RQ); + MLX5_SET(qpc, qpc, no_sq, 1); + MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); + MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); + MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); + MLX5_SET(qpc, qpc, xrcd, to_mxrcd(attr->xrcd)->xrcdn); + MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); + + /* 0xffffff means we ask to work with cqe version 0 */ + if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) + MLX5_SET(qpc, qpc, user_index, uidx); + + if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { + MLX5_SET(qpc, qpc, end_padding_mode, + MLX5_WQ_END_PAD_MODE_ALIGN); + /* Special case to clean flag */ + qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; + } + + base = &qp->trans_qp.base; + err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); + kvfree(in); + if (err) + return err; + + base->container_mibqp = qp; + base->mqp.event = mlx5_ib_qp_event; + if (MLX5_CAP_GEN(mdev, ece_support)) + params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); + + spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); + list_add_tail(&qp->qps_list, &dev->qp_list); + spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); + + qp->trans_qp.xrcdn = to_mxrcd(attr->xrcd)->xrcdn; + return 0; } -static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, - struct ib_qp_init_attr *init_attr, - struct ib_udata *udata, struct mlx5_ib_qp *qp) +static int create_dci(struct mlx5_ib_dev *dev, struct ib_pd *pd, + struct mlx5_ib_qp *qp, + struct mlx5_create_qp_params *params) { + struct ib_qp_init_attr *init_attr = params->attr; + struct mlx5_ib_create_qp *ucmd = params->ucmd; + u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; + struct ib_udata *udata = params->udata; + u32 uidx = params->uidx; struct mlx5_ib_resources *devr = &dev->devr; int inlen = MLX5_ST_SZ_BYTES(create_qp_in); struct mlx5_core_dev *mdev = dev->mdev; - struct mlx5_ib_create_qp_resp resp = {}; - struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( - udata, struct mlx5_ib_ucontext, ibucontext); struct mlx5_ib_cq *send_cq; struct mlx5_ib_cq *recv_cq; unsigned long flags; - u32 uidx = MLX5_IB_DEFAULT_UIDX; - struct mlx5_ib_create_qp ucmd; struct mlx5_ib_qp_base *base; + int ts_format; int mlx5_st; void *qpc; u32 *in; int err; - mutex_init(&qp->mutex); spin_lock_init(&qp->sq.lock); spin_lock_init(&qp->rq.lock); - mlx5_st = to_mlx5_st(init_attr->qp_type); + mlx5_st = to_mlx5_st(qp->type); if (mlx5_st < 0) return -EINVAL; - if (init_attr->rwq_ind_tbl) { - if (!udata) - return -ENOSYS; + if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) + qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; + + base = &qp->trans_qp.base; - err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); + qp->has_rq = qp_has_rq(init_attr); + err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); + if (err) { + mlx5_ib_dbg(dev, "err %d\n", err); return err; } - if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { - if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { - mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); - return -EINVAL; - } else { - qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; - } + if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || + ucmd->rq_wqe_count != qp->rq.wqe_cnt) + return -EINVAL; + + if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) + return -EINVAL; + + ts_format = get_qp_ts_format(dev, to_mcq(init_attr->send_cq), + to_mcq(init_attr->recv_cq)); + + if (ts_format < 0) + return ts_format; + + err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, + &inlen, base, ucmd); + if (err) + return err; + + if (MLX5_CAP_GEN(mdev, ece_support)) + MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); + qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); + + MLX5_SET(qpc, qpc, st, mlx5_st); + MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); + MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); + + if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) + MLX5_SET(qpc, qpc, wq_signature, 1); + + if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) + MLX5_SET(qpc, qpc, cd_master, 1); + if (qp->flags & IB_QP_CREATE_MANAGED_SEND) + MLX5_SET(qpc, qpc, cd_slave_send, 1); + if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) + configure_requester_scat_cqe(dev, qp, init_attr, qpc); + + if (qp->rq.wqe_cnt) { + MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); + MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); } - if (init_attr->create_flags & - (IB_QP_CREATE_CROSS_CHANNEL | - IB_QP_CREATE_MANAGED_SEND | - IB_QP_CREATE_MANAGED_RECV)) { - if (!MLX5_CAP_GEN(mdev, cd)) { - mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); - return -EINVAL; - } - if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) - qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; - if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) - qp->flags |= MLX5_IB_QP_MANAGED_SEND; - if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) - qp->flags |= MLX5_IB_QP_MANAGED_RECV; - } - - if (init_attr->qp_type == IB_QPT_UD && - (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) - if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { - mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); - return -EOPNOTSUPP; - } + if (qp->flags_en & MLX5_QP_FLAG_DCI_STREAM) { + MLX5_SET(qpc, qpc, log_num_dci_stream_channels, + ucmd->dci_streams.log_num_concurent); + MLX5_SET(qpc, qpc, log_num_dci_errored_streams, + ucmd->dci_streams.log_num_errored); + } - if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { - if (init_attr->qp_type != IB_QPT_RAW_PACKET) { - mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); - return -EOPNOTSUPP; - } - if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || - !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { - mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); - return -EOPNOTSUPP; - } - qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; + MLX5_SET(qpc, qpc, ts_format, ts_format); + MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); + + MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); + + /* Set default resources */ + if (init_attr->srq) { + MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); + MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, + to_msrq(init_attr->srq)->msrq.srqn); + } else { + MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); + MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, + to_msrq(devr->s1)->msrq.srqn); } - if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) - qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; + if (init_attr->send_cq) + MLX5_SET(qpc, qpc, cqn_snd, + to_mcq(init_attr->send_cq)->mcq.cqn); - if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { - if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && - MLX5_CAP_ETH(dev->mdev, vlan_cap)) || - (init_attr->qp_type != IB_QPT_RAW_PACKET)) - return -EOPNOTSUPP; - qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; + if (init_attr->recv_cq) + MLX5_SET(qpc, qpc, cqn_rcv, + to_mcq(init_attr->recv_cq)->mcq.cqn); + + MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); + + /* 0xffffff means we ask to work with cqe version 0 */ + if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) + MLX5_SET(qpc, qpc, user_index, uidx); + + if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { + MLX5_SET(qpc, qpc, end_padding_mode, + MLX5_WQ_END_PAD_MODE_ALIGN); + /* Special case to clean flag */ + qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; } - if (udata) { - if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { - mlx5_ib_dbg(dev, "copy failed\n"); - return -EFAULT; - } + err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); - if (!check_flags_mask(ucmd.flags, - MLX5_QP_FLAG_ALLOW_SCATTER_CQE | - MLX5_QP_FLAG_BFREG_INDEX | - MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE | - MLX5_QP_FLAG_SCATTER_CQE | - MLX5_QP_FLAG_SIGNATURE | - MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC | - MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | - MLX5_QP_FLAG_TUNNEL_OFFLOADS | - MLX5_QP_FLAG_TYPE_DCI | - MLX5_QP_FLAG_TYPE_DCT)) - return -EINVAL; + kvfree(in); + if (err) + goto err_create; - err = get_qp_user_index(ucontext, &ucmd, udata->inlen, &uidx); - if (err) - return err; + base->container_mibqp = qp; + base->mqp.event = mlx5_ib_qp_event; + if (MLX5_CAP_GEN(mdev, ece_support)) + params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); - qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); - if (MLX5_CAP_GEN(dev->mdev, sctr_data_cqe)) - qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); - if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { - if (init_attr->qp_type != IB_QPT_RAW_PACKET || - !tunnel_offload_supported(mdev)) { - mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); - return -EOPNOTSUPP; - } - qp->flags_en |= MLX5_QP_FLAG_TUNNEL_OFFLOADS; - } + get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, + &send_cq, &recv_cq); + spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); + mlx5_ib_lock_cqs(send_cq, recv_cq); + /* Maintain device to QPs access, needed for further handling via reset + * flow + */ + list_add_tail(&qp->qps_list, &dev->qp_list); + /* Maintain CQ to QPs access, needed for further handling via reset flow + */ + if (send_cq) + list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); + if (recv_cq) + list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); + mlx5_ib_unlock_cqs(send_cq, recv_cq); + spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); - if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) { - if (init_attr->qp_type != IB_QPT_RAW_PACKET) { - mlx5_ib_dbg(dev, "Self-LB UC isn't supported\n"); - return -EOPNOTSUPP; - } - qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; - } + return 0; - if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { - if (init_attr->qp_type != IB_QPT_RAW_PACKET) { - mlx5_ib_dbg(dev, "Self-LB UM isn't supported\n"); - return -EOPNOTSUPP; - } - qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; - } +err_create: + destroy_qp(dev, qp, base, udata); + return err; +} - if (ucmd.flags & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) { - if (init_attr->qp_type != IB_QPT_RC || - !MLX5_CAP_GEN(dev->mdev, qp_packet_based)) { - mlx5_ib_dbg(dev, "packet based credit mode isn't supported\n"); - return -EOPNOTSUPP; - } - qp->flags |= MLX5_IB_QP_PACKET_BASED_CREDIT; - } +static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, + struct mlx5_ib_qp *qp, + struct mlx5_create_qp_params *params) +{ + struct ib_qp_init_attr *init_attr = params->attr; + struct mlx5_ib_create_qp *ucmd = params->ucmd; + u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; + struct ib_udata *udata = params->udata; + u32 uidx = params->uidx; + struct mlx5_ib_resources *devr = &dev->devr; + int inlen = MLX5_ST_SZ_BYTES(create_qp_in); + struct mlx5_core_dev *mdev = dev->mdev; + struct mlx5_ib_cq *send_cq; + struct mlx5_ib_cq *recv_cq; + unsigned long flags; + struct mlx5_ib_qp_base *base; + int ts_format; + int mlx5_st; + void *qpc; + u32 *in; + int err; - if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { - if (init_attr->qp_type != IB_QPT_UD || - (MLX5_CAP_GEN(dev->mdev, port_type) != - MLX5_CAP_PORT_TYPE_IB) || - !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { - mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); - return -EOPNOTSUPP; - } + spin_lock_init(&qp->sq.lock); + spin_lock_init(&qp->rq.lock); - qp->flags |= MLX5_IB_QP_UNDERLAY; - qp->underlay_qpn = init_attr->source_qpn; - } - } else { - qp->wq_sig = !!wq_signature; - } + mlx5_st = to_mlx5_st(qp->type); + if (mlx5_st < 0) + return -EINVAL; + + if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) + qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; + + if (qp->flags & IB_QP_CREATE_SOURCE_QPN) + qp->underlay_qpn = init_attr->source_qpn; base = (init_attr->qp_type == IB_QPT_RAW_PACKET || - qp->flags & MLX5_IB_QP_UNDERLAY) ? + qp->flags & IB_QP_CREATE_SOURCE_QPN) ? &qp->raw_packet_qp.rq.base : &qp->trans_qp.base; qp->has_rq = qp_has_rq(init_attr); - err = set_rq_size(dev, &init_attr->cap, qp->has_rq, - qp, udata ? &ucmd : NULL); + err = set_rq_size(dev, &init_attr->cap, qp->has_rq, qp, ucmd); if (err) { mlx5_ib_dbg(dev, "err %d\n", err); return err; } - if (pd) { - if (udata) { - __u32 max_wqes = - 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); - mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); - if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || - ucmd.rq_wqe_count != qp->rq.wqe_cnt) { - mlx5_ib_dbg(dev, "invalid rq params\n"); - return -EINVAL; - } - if (ucmd.sq_wqe_count > max_wqes) { - mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", - ucmd.sq_wqe_count, max_wqes); - return -EINVAL; - } - if (init_attr->create_flags & - MLX5_IB_QP_CREATE_SQPN_QP1) { - mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); - return -EINVAL; - } - err = create_user_qp(dev, pd, qp, udata, init_attr, &in, - &resp, &inlen, base); - if (err) - mlx5_ib_dbg(dev, "err %d\n", err); - } else { - err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, - base); - if (err) - mlx5_ib_dbg(dev, "err %d\n", err); - } + if (ucmd->rq_wqe_shift != qp->rq.wqe_shift || + ucmd->rq_wqe_count != qp->rq.wqe_cnt) + return -EINVAL; - if (err) - return err; - } else { - in = kvzalloc(inlen, GFP_KERNEL); - if (!in) - return -ENOMEM; + if (ucmd->sq_wqe_count > (1 << MLX5_CAP_GEN(mdev, log_max_qp_sz))) + return -EINVAL; - qp->create_type = MLX5_QP_EMPTY; + if (init_attr->qp_type != IB_QPT_RAW_PACKET) { + ts_format = get_qp_ts_format(dev, to_mcq(init_attr->send_cq), + to_mcq(init_attr->recv_cq)); + if (ts_format < 0) + return ts_format; } + err = _create_user_qp(dev, pd, qp, udata, init_attr, &in, ¶ms->resp, + &inlen, base, ucmd); + if (err) + return err; + if (is_sqp(init_attr->qp_type)) qp->port = init_attr->port_num; + if (MLX5_CAP_GEN(mdev, ece_support)) + MLX5_SET(create_qp_in, in, ece, ucmd->ece_options); qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); MLX5_SET(qpc, qpc, st, mlx5_st); MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); + MLX5_SET(qpc, qpc, pd, to_mpd(pd)->pdn); - if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) - MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); - else - MLX5_SET(qpc, qpc, latency_sensitive, 1); - - - if (qp->wq_sig) + if (qp->flags_en & MLX5_QP_FLAG_SIGNATURE) MLX5_SET(qpc, qpc, wq_signature, 1); - if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) + if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) MLX5_SET(qpc, qpc, block_lb_mc, 1); - if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) + if (qp->flags & IB_QP_CREATE_CROSS_CHANNEL) MLX5_SET(qpc, qpc, cd_master, 1); - if (qp->flags & MLX5_IB_QP_MANAGED_SEND) + if (qp->flags & IB_QP_CREATE_MANAGED_SEND) MLX5_SET(qpc, qpc, cd_slave_send, 1); - if (qp->flags & MLX5_IB_QP_MANAGED_RECV) + if (qp->flags & IB_QP_CREATE_MANAGED_RECV) MLX5_SET(qpc, qpc, cd_slave_receive, 1); - if (qp->flags & MLX5_IB_QP_PACKET_BASED_CREDIT) + if (qp->flags_en & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); - if (qp->scat_cqe && is_connected(init_attr->qp_type)) { - configure_responder_scat_cqe(init_attr, qpc); - configure_requester_scat_cqe(dev, init_attr, - udata ? &ucmd : NULL, - qpc); + if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && + (init_attr->qp_type == IB_QPT_RC || + init_attr->qp_type == IB_QPT_UC)) { + int rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); + + MLX5_SET(qpc, qpc, cs_res, + rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : + MLX5_RES_SCAT_DATA32_CQE); } + if ((qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) && + (qp->type == MLX5_IB_QPT_DCI || qp->type == IB_QPT_RC)) + configure_requester_scat_cqe(dev, qp, init_attr, qpc); if (qp->rq.wqe_cnt) { MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); } + if (init_attr->qp_type != IB_QPT_RAW_PACKET) + MLX5_SET(qpc, qpc, ts_format, ts_format); + MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); if (qp->sq.wqe_cnt) { @@ -2269,23 +2268,17 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, /* Set default resources */ switch (init_attr->qp_type) { - case IB_QPT_XRC_TGT: - MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); - MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); - MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); - MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); - break; case IB_QPT_XRC_INI: MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); - MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); + MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); break; default: if (init_attr->srq) { - MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); + MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); } else { - MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); + MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); } } @@ -2302,52 +2295,162 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) MLX5_SET(qpc, qpc, user_index, uidx); - /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ - if (init_attr->qp_type == IB_QPT_UD && - (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { - MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); - qp->flags |= MLX5_IB_QP_LSO; + if (qp->flags & IB_QP_CREATE_PCI_WRITE_END_PADDING && + init_attr->qp_type != IB_QPT_RAW_PACKET) { + MLX5_SET(qpc, qpc, end_padding_mode, + MLX5_WQ_END_PAD_MODE_ALIGN); + /* Special case to clean flag */ + qp->flags &= ~IB_QP_CREATE_PCI_WRITE_END_PADDING; } - if (init_attr->create_flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { - if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { - mlx5_ib_dbg(dev, "scatter end padding is not supported\n"); - err = -EOPNOTSUPP; - goto err; - } else if (init_attr->qp_type != IB_QPT_RAW_PACKET) { - MLX5_SET(qpc, qpc, end_padding_mode, - MLX5_WQ_END_PAD_MODE_ALIGN); - } else { - qp->flags |= MLX5_IB_QP_PCI_WRITE_END_PADDING; - } + if (init_attr->qp_type == IB_QPT_RAW_PACKET || + qp->flags & IB_QP_CREATE_SOURCE_QPN) { + qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd->sq_buf_addr; + raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); + err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, + ¶ms->resp, init_attr); + } else + err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); + + kvfree(in); + if (err) + goto err_create; + + base->container_mibqp = qp; + base->mqp.event = mlx5_ib_qp_event; + if (MLX5_CAP_GEN(mdev, ece_support)) + params->resp.ece_options = MLX5_GET(create_qp_out, out, ece); + + get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq, + &send_cq, &recv_cq); + spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); + mlx5_ib_lock_cqs(send_cq, recv_cq); + /* Maintain device to QPs access, needed for further handling via reset + * flow + */ + list_add_tail(&qp->qps_list, &dev->qp_list); + /* Maintain CQ to QPs access, needed for further handling via reset flow + */ + if (send_cq) + list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); + if (recv_cq) + list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); + mlx5_ib_unlock_cqs(send_cq, recv_cq); + spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); + + return 0; + +err_create: + destroy_qp(dev, qp, base, udata); + return err; +} + +static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, + struct mlx5_ib_qp *qp, + struct mlx5_create_qp_params *params) +{ + struct ib_qp_init_attr *attr = params->attr; + u32 uidx = params->uidx; + struct mlx5_ib_resources *devr = &dev->devr; + u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {}; + int inlen = MLX5_ST_SZ_BYTES(create_qp_in); + struct mlx5_core_dev *mdev = dev->mdev; + struct mlx5_ib_cq *send_cq; + struct mlx5_ib_cq *recv_cq; + unsigned long flags; + struct mlx5_ib_qp_base *base; + int mlx5_st; + void *qpc; + u32 *in; + int err; + + spin_lock_init(&qp->sq.lock); + spin_lock_init(&qp->rq.lock); + + mlx5_st = to_mlx5_st(qp->type); + if (mlx5_st < 0) + return -EINVAL; + + if (attr->sq_sig_type == IB_SIGNAL_ALL_WR) + qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; + + base = &qp->trans_qp.base; + + qp->has_rq = qp_has_rq(attr); + err = set_rq_size(dev, &attr->cap, qp->has_rq, qp, NULL); + if (err) { + mlx5_ib_dbg(dev, "err %d\n", err); + return err; } - if (inlen < 0) { - err = -EINVAL; - goto err; + err = _create_kernel_qp(dev, attr, qp, &in, &inlen, base); + if (err) + return err; + + if (is_sqp(attr->qp_type)) + qp->port = attr->port_num; + + qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); + + MLX5_SET(qpc, qpc, st, mlx5_st); + MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); + + if (attr->qp_type != MLX5_IB_QPT_REG_UMR) + MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); + else + MLX5_SET(qpc, qpc, latency_sensitive, 1); + + + if (qp->flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) + MLX5_SET(qpc, qpc, block_lb_mc, 1); + + if (qp->rq.wqe_cnt) { + MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); + MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); } - if (init_attr->qp_type == IB_QPT_RAW_PACKET || - qp->flags & MLX5_IB_QP_UNDERLAY) { - qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; - raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); - err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, - &resp); + MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, attr)); + + if (qp->sq.wqe_cnt) + MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); + else + MLX5_SET(qpc, qpc, no_sq, 1); + + if (attr->srq) { + MLX5_SET(qpc, qpc, xrcd, devr->xrcdn0); + MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, + to_msrq(attr->srq)->msrq.srqn); } else { - err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); + MLX5_SET(qpc, qpc, xrcd, devr->xrcdn1); + MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, + to_msrq(devr->s1)->msrq.srqn); } - if (err) { - mlx5_ib_dbg(dev, "create qp failed\n"); - goto err_create; - } + if (attr->send_cq) + MLX5_SET(qpc, qpc, cqn_snd, to_mcq(attr->send_cq)->mcq.cqn); + + if (attr->recv_cq) + MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(attr->recv_cq)->mcq.cqn); + + MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); + /* 0xffffff means we ask to work with cqe version 0 */ + if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) + MLX5_SET(qpc, qpc, user_index, uidx); + + /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ + if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) + MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); + + err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); kvfree(in); + if (err) + goto err_create; base->container_mibqp = qp; base->mqp.event = mlx5_ib_qp_event; - get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, + get_cqs(qp->type, attr->send_cq, attr->recv_cq, &send_cq, &recv_cq); spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); mlx5_ib_lock_cqs(send_cq, recv_cq); @@ -2367,13 +2470,7 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, return 0; err_create: - if (qp->create_type == MLX5_QP_USER) - destroy_qp_user(dev, pd, qp, base, udata); - else if (qp->create_type == MLX5_QP_KERNEL) - destroy_qp_kernel(dev, qp); - -err: - kvfree(in); + destroy_qp(dev, qp, base, NULL); return err; } @@ -2435,11 +2532,6 @@ static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *re } } -static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) -{ - return to_mpd(qp->ibqp.pd); -} - static void get_cqs(enum ib_qp_type qp_type, struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) @@ -2460,14 +2552,10 @@ static void get_cqs(enum ib_qp_type qp_type, case IB_QPT_RC: case IB_QPT_UC: case IB_QPT_UD: - case IB_QPT_RAW_IPV6: - case IB_QPT_RAW_ETHERTYPE: case IB_QPT_RAW_PACKET: *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; break; - - case IB_QPT_MAX: default: *send_cq = NULL; *recv_cq = NULL; @@ -2487,22 +2575,21 @@ static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, unsigned long flags; int err; - if (qp->ibqp.rwq_ind_tbl) { + if (qp->is_rss) { destroy_rss_raw_qp_tir(dev, qp); return; } - base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || - qp->flags & MLX5_IB_QP_UNDERLAY) ? - &qp->raw_packet_qp.rq.base : - &qp->trans_qp.base; + base = (qp->type == IB_QPT_RAW_PACKET || + qp->flags & IB_QP_CREATE_SOURCE_QPN) ? + &qp->raw_packet_qp.rq.base : + &qp->trans_qp.base; if (qp->state != IB_QPS_RESET) { - if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && - !(qp->flags & MLX5_IB_QP_UNDERLAY)) { - err = mlx5_core_qp_modify(dev->mdev, - MLX5_CMD_OP_2RST_QP, 0, - NULL, &base->mqp); + if (qp->type != IB_QPT_RAW_PACKET && + !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) { + err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0, + NULL, &base->mqp, NULL); } else { struct mlx5_modify_raw_qp_param raw_qp_param = { .operation = MLX5_CMD_OP_2RST_QP @@ -2515,8 +2602,8 @@ static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, base->mqp.qpn); } - get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, - &send_cq, &recv_cq); + get_cqs(qp->type, qp->ibqp.send_cq, qp->ibqp.recv_cq, &send_cq, + &recv_cq); spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); mlx5_ib_lock_cqs(send_cq, recv_cq); @@ -2528,7 +2615,7 @@ static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, if (recv_cq) list_del(&qp->cq_recv_list); - if (qp->create_type == MLX5_QP_KERNEL) { + if (!udata) { __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); if (send_cq != recv_cq) @@ -2538,264 +2625,476 @@ static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, mlx5_ib_unlock_cqs(send_cq, recv_cq); spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); - if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || - qp->flags & MLX5_IB_QP_UNDERLAY) { + if (qp->type == IB_QPT_RAW_PACKET || + qp->flags & IB_QP_CREATE_SOURCE_QPN) { destroy_raw_packet_qp(dev, qp); } else { - err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); + err = mlx5_core_destroy_qp(dev, &base->mqp); if (err) mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", base->mqp.qpn); } - if (qp->create_type == MLX5_QP_KERNEL) - destroy_qp_kernel(dev, qp); - else if (qp->create_type == MLX5_QP_USER) - destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base, udata); + destroy_qp(dev, qp, base, udata); } -static const char *ib_qp_type_str(enum ib_qp_type type) +static int create_dct(struct mlx5_ib_dev *dev, struct ib_pd *pd, + struct mlx5_ib_qp *qp, + struct mlx5_create_qp_params *params) { - switch (type) { - case IB_QPT_SMI: - return "IB_QPT_SMI"; - case IB_QPT_GSI: - return "IB_QPT_GSI"; + struct ib_qp_init_attr *attr = params->attr; + struct mlx5_ib_create_qp *ucmd = params->ucmd; + u32 uidx = params->uidx; + void *dctc; + + if (mlx5_lag_is_active(dev->mdev) && !MLX5_CAP_GEN(dev->mdev, lag_dct)) + return -EOPNOTSUPP; + + qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); + if (!qp->dct.in) + return -ENOMEM; + + MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); + dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); + MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); + MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); + MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); + MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); + MLX5_SET(dctc, dctc, user_index, uidx); + if (MLX5_CAP_GEN(dev->mdev, ece_support)) + MLX5_SET(dctc, dctc, ece, ucmd->ece_options); + + if (qp->flags_en & MLX5_QP_FLAG_SCATTER_CQE) { + int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq); + + if (rcqe_sz == 128) + MLX5_SET(dctc, dctc, cs_res, MLX5_RES_SCAT_DATA64_CQE); + } + + qp->state = IB_QPS_RESET; + return 0; +} + +static int check_qp_type(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, + enum ib_qp_type *type) +{ + if (attr->qp_type == IB_QPT_DRIVER && !MLX5_CAP_GEN(dev->mdev, dct)) + goto out; + + switch (attr->qp_type) { + case IB_QPT_XRC_TGT: + case IB_QPT_XRC_INI: + if (!MLX5_CAP_GEN(dev->mdev, xrc)) + goto out; + fallthrough; case IB_QPT_RC: - return "IB_QPT_RC"; case IB_QPT_UC: - return "IB_QPT_UC"; - case IB_QPT_UD: - return "IB_QPT_UD"; - case IB_QPT_RAW_IPV6: - return "IB_QPT_RAW_IPV6"; - case IB_QPT_RAW_ETHERTYPE: - return "IB_QPT_RAW_ETHERTYPE"; - case IB_QPT_XRC_INI: - return "IB_QPT_XRC_INI"; - case IB_QPT_XRC_TGT: - return "IB_QPT_XRC_TGT"; + case IB_QPT_SMI: + case MLX5_IB_QPT_HW_GSI: + case IB_QPT_DRIVER: + case IB_QPT_GSI: case IB_QPT_RAW_PACKET: - return "IB_QPT_RAW_PACKET"; + case IB_QPT_UD: case MLX5_IB_QPT_REG_UMR: - return "MLX5_IB_QPT_REG_UMR"; - case IB_QPT_DRIVER: - return "IB_QPT_DRIVER"; - case IB_QPT_MAX: + break; default: - return "Invalid QP type"; + goto out; } + + *type = attr->qp_type; + return 0; + +out: + mlx5_ib_dbg(dev, "Unsupported QP type %d\n", attr->qp_type); + return -EOPNOTSUPP; } -static struct ib_qp *mlx5_ib_create_dct(struct ib_pd *pd, - struct ib_qp_init_attr *attr, - struct mlx5_ib_create_qp *ucmd, - struct ib_udata *udata) +static int check_valid_flow(struct mlx5_ib_dev *dev, struct ib_pd *pd, + struct ib_qp_init_attr *attr, + struct ib_udata *udata) { struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( udata, struct mlx5_ib_ucontext, ibucontext); - struct mlx5_ib_qp *qp; - int err = 0; - u32 uidx = MLX5_IB_DEFAULT_UIDX; - void *dctc; - if (!attr->srq || !attr->recv_cq) - return ERR_PTR(-EINVAL); + if (!udata) { + /* Kernel create_qp callers */ + if (attr->rwq_ind_tbl) + return -EOPNOTSUPP; - err = get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), &uidx); - if (err) - return ERR_PTR(err); + switch (attr->qp_type) { + case IB_QPT_RAW_PACKET: + case IB_QPT_DRIVER: + return -EOPNOTSUPP; + default: + return 0; + } + } - qp = kzalloc(sizeof(*qp), GFP_KERNEL); - if (!qp) - return ERR_PTR(-ENOMEM); + /* Userspace create_qp callers */ + if (attr->qp_type == IB_QPT_RAW_PACKET && !ucontext->cqe_version) { + mlx5_ib_dbg(dev, + "Raw Packet QP is only supported for CQE version > 0\n"); + return -EINVAL; + } - qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); - if (!qp->dct.in) { - err = -ENOMEM; - goto err_free; + if (attr->qp_type != IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) { + mlx5_ib_dbg(dev, + "Wrong QP type %d for the RWQ indirect table\n", + attr->qp_type); + return -EINVAL; } - MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); - dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); - qp->qp_sub_type = MLX5_IB_QPT_DCT; - MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); - MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); - MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); - MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); - MLX5_SET(dctc, dctc, user_index, uidx); + /* + * We don't need to see this warning, it means that kernel code + * missing ib_pd. Placed here to catch developer's mistakes. + */ + WARN_ONCE(!pd && attr->qp_type != IB_QPT_XRC_TGT, + "There is a missing PD pointer assignment\n"); + return 0; +} - if (ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE) - configure_responder_scat_cqe(attr, dctc); +static void process_vendor_flag(struct mlx5_ib_dev *dev, int *flags, int flag, + bool cond, struct mlx5_ib_qp *qp) +{ + if (!(*flags & flag)) + return; - qp->state = IB_QPS_RESET; + if (cond) { + qp->flags_en |= flag; + *flags &= ~flag; + return; + } - return &qp->ibqp; -err_free: - kfree(qp); - return ERR_PTR(err); + switch (flag) { + case MLX5_QP_FLAG_SCATTER_CQE: + case MLX5_QP_FLAG_ALLOW_SCATTER_CQE: + /* + * We don't return error if these flags were provided, + * and mlx5 doesn't have right capability. + */ + *flags &= ~(MLX5_QP_FLAG_SCATTER_CQE | + MLX5_QP_FLAG_ALLOW_SCATTER_CQE); + return; + default: + break; + } + mlx5_ib_dbg(dev, "Vendor create QP flag 0x%X is not supported\n", flag); } -static int set_mlx_qp_type(struct mlx5_ib_dev *dev, - struct ib_qp_init_attr *init_attr, - struct mlx5_ib_create_qp *ucmd, - struct ib_udata *udata) +static int process_vendor_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, + void *ucmd, struct ib_qp_init_attr *attr) { - enum { MLX_QP_FLAGS = MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI }; - int err; + struct mlx5_core_dev *mdev = dev->mdev; + bool cond; + int flags; - if (!udata) + if (attr->rwq_ind_tbl) + flags = ((struct mlx5_ib_create_qp_rss *)ucmd)->flags; + else + flags = ((struct mlx5_ib_create_qp *)ucmd)->flags; + + switch (flags & (MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI)) { + case MLX5_QP_FLAG_TYPE_DCI: + qp->type = MLX5_IB_QPT_DCI; + break; + case MLX5_QP_FLAG_TYPE_DCT: + qp->type = MLX5_IB_QPT_DCT; + break; + default: + if (qp->type != IB_QPT_DRIVER) + break; + /* + * It is IB_QPT_DRIVER and or no subtype or + * wrong subtype were provided. + */ return -EINVAL; + } - if (udata->inlen < sizeof(*ucmd)) { - mlx5_ib_dbg(dev, "create_qp user command is smaller than expected\n"); + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCI, true, qp); + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TYPE_DCT, true, qp); + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_DCI_STREAM, + MLX5_CAP_GEN(mdev, log_max_dci_stream_channels), + qp); + + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SIGNATURE, true, qp); + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_SCATTER_CQE, + MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_ALLOW_SCATTER_CQE, + MLX5_CAP_GEN(mdev, sctr_data_cqe), qp); + + if (qp->type == IB_QPT_RAW_PACKET) { + cond = MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) || + MLX5_CAP_ETH(mdev, tunnel_stateless_gre) || + MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx); + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_TUNNEL_OFFLOADS, + cond, qp); + process_vendor_flag(dev, &flags, + MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC, true, + qp); + process_vendor_flag(dev, &flags, + MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC, true, + qp); + } + + if (qp->type == IB_QPT_RC) + process_vendor_flag(dev, &flags, + MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE, + MLX5_CAP_GEN(mdev, qp_packet_based), qp); + + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_BFREG_INDEX, true, qp); + process_vendor_flag(dev, &flags, MLX5_QP_FLAG_UAR_PAGE_INDEX, true, qp); + + cond = qp->flags_en & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | + MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | + MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC); + if (attr->rwq_ind_tbl && cond) { + mlx5_ib_dbg(dev, "RSS RAW QP has unsupported flags 0x%X\n", + cond); return -EINVAL; } - err = ib_copy_from_udata(ucmd, udata, sizeof(*ucmd)); - if (err) - return err; - if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCI) { - init_attr->qp_type = MLX5_IB_QPT_DCI; - } else { - if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCT) { - init_attr->qp_type = MLX5_IB_QPT_DCT; - } else { - mlx5_ib_dbg(dev, "Invalid QP flags\n"); - return -EINVAL; - } + if (flags) + mlx5_ib_dbg(dev, "udata has unsupported flags 0x%X\n", flags); + + return (flags) ? -EINVAL : 0; } - if (!MLX5_CAP_GEN(dev->mdev, dct)) { - mlx5_ib_dbg(dev, "DC transport is not supported\n"); - return -EOPNOTSUPP; +static void process_create_flag(struct mlx5_ib_dev *dev, int *flags, int flag, + bool cond, struct mlx5_ib_qp *qp) +{ + if (!(*flags & flag)) + return; + + if (cond) { + qp->flags |= flag; + *flags &= ~flag; + return; } + if (flag == MLX5_IB_QP_CREATE_WC_TEST) { + /* + * Special case, if condition didn't meet, it won't be error, + * just different in-kernel flow. + */ + *flags &= ~MLX5_IB_QP_CREATE_WC_TEST; + return; + } + mlx5_ib_dbg(dev, "Verbs create QP flag 0x%X is not supported\n", flag); +} + +static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, + struct ib_qp_init_attr *attr) +{ + enum ib_qp_type qp_type = qp->type; + struct mlx5_core_dev *mdev = dev->mdev; + int create_flags = attr->create_flags; + bool cond; + + if (qp_type == MLX5_IB_QPT_DCT) + return (create_flags) ? -EINVAL : 0; + + if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl) + return (create_flags) ? -EINVAL : 0; + + process_create_flag(dev, &create_flags, IB_QP_CREATE_NETIF_QP, + mlx5_get_flow_namespace(dev->mdev, + MLX5_FLOW_NAMESPACE_BYPASS), + qp); + process_create_flag(dev, &create_flags, + IB_QP_CREATE_INTEGRITY_EN, + MLX5_CAP_GEN(mdev, sho), qp); + process_create_flag(dev, &create_flags, + IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, + MLX5_CAP_GEN(mdev, block_lb_mc), qp); + process_create_flag(dev, &create_flags, IB_QP_CREATE_CROSS_CHANNEL, + MLX5_CAP_GEN(mdev, cd), qp); + process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_SEND, + MLX5_CAP_GEN(mdev, cd), qp); + process_create_flag(dev, &create_flags, IB_QP_CREATE_MANAGED_RECV, + MLX5_CAP_GEN(mdev, cd), qp); + + if (qp_type == IB_QPT_UD) { + process_create_flag(dev, &create_flags, + IB_QP_CREATE_IPOIB_UD_LSO, + MLX5_CAP_GEN(mdev, ipoib_basic_offloads), + qp); + cond = MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_IB; + process_create_flag(dev, &create_flags, IB_QP_CREATE_SOURCE_QPN, + cond, qp); + } + + if (qp_type == IB_QPT_RAW_PACKET) { + cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && + MLX5_CAP_ETH(mdev, scatter_fcs); + process_create_flag(dev, &create_flags, + IB_QP_CREATE_SCATTER_FCS, cond, qp); + + cond = MLX5_CAP_GEN(mdev, eth_net_offloads) && + MLX5_CAP_ETH(mdev, vlan_cap); + process_create_flag(dev, &create_flags, + IB_QP_CREATE_CVLAN_STRIPPING, cond, qp); + } + + process_create_flag(dev, &create_flags, + IB_QP_CREATE_PCI_WRITE_END_PADDING, + MLX5_CAP_GEN(mdev, end_pad), qp); + + process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_WC_TEST, + qp_type != MLX5_IB_QPT_REG_UMR, qp); + process_create_flag(dev, &create_flags, MLX5_IB_QP_CREATE_SQPN_QP1, + true, qp); + + if (create_flags) { + mlx5_ib_dbg(dev, "Create QP has unsupported flags 0x%X\n", + create_flags); + return -EOPNOTSUPP; + } return 0; } -struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, - struct ib_qp_init_attr *verbs_init_attr, - struct ib_udata *udata) +static int process_udata_size(struct mlx5_ib_dev *dev, + struct mlx5_create_qp_params *params) { - struct mlx5_ib_dev *dev; - struct mlx5_ib_qp *qp; - u16 xrcdn = 0; - int err; - struct ib_qp_init_attr mlx_init_attr; - struct ib_qp_init_attr *init_attr = verbs_init_attr; - struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( - udata, struct mlx5_ib_ucontext, ibucontext); + size_t ucmd = sizeof(struct mlx5_ib_create_qp); + struct ib_udata *udata = params->udata; + size_t outlen = udata->outlen; + size_t inlen = udata->inlen; - if (pd) { - dev = to_mdev(pd->device); + params->outlen = min(outlen, sizeof(struct mlx5_ib_create_qp_resp)); + params->ucmd_size = ucmd; + if (!params->is_rss_raw) { + /* User has old rdma-core, which doesn't support ECE */ + size_t min_inlen = + offsetof(struct mlx5_ib_create_qp, ece_options); - if (init_attr->qp_type == IB_QPT_RAW_PACKET) { - if (!ucontext) { - mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); - return ERR_PTR(-EINVAL); - } else if (!ucontext->cqe_version) { - mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); - return ERR_PTR(-EINVAL); - } - } - } else { - /* being cautious here */ - if (init_attr->qp_type != IB_QPT_XRC_TGT && - init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { - pr_warn("%s: no PD for transport %s\n", __func__, - ib_qp_type_str(init_attr->qp_type)); - return ERR_PTR(-EINVAL); - } - dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); + /* + * We will check in check_ucmd_data() that user + * cleared everything after inlen. + */ + params->inlen = (inlen < min_inlen) ? 0 : min(inlen, ucmd); + goto out; } - if (init_attr->qp_type == IB_QPT_DRIVER) { - struct mlx5_ib_create_qp ucmd; + /* RSS RAW QP */ + if (inlen < offsetofend(struct mlx5_ib_create_qp_rss, flags)) + return -EINVAL; - init_attr = &mlx_init_attr; - memcpy(init_attr, verbs_init_attr, sizeof(*verbs_init_attr)); - err = set_mlx_qp_type(dev, init_attr, &ucmd, udata); - if (err) - return ERR_PTR(err); + if (outlen < offsetofend(struct mlx5_ib_create_qp_resp, bfreg_index)) + return -EINVAL; - if (init_attr->qp_type == MLX5_IB_QPT_DCI) { - if (init_attr->cap.max_recv_wr || - init_attr->cap.max_recv_sge) { - mlx5_ib_dbg(dev, "DCI QP requires zero size receive queue\n"); - return ERR_PTR(-EINVAL); - } - } else { - return mlx5_ib_create_dct(pd, init_attr, &ucmd, udata); - } + ucmd = sizeof(struct mlx5_ib_create_qp_rss); + params->ucmd_size = ucmd; + if (inlen > ucmd && !ib_is_udata_cleared(udata, ucmd, inlen - ucmd)) + return -EINVAL; + + params->inlen = min(ucmd, inlen); +out: + if (!params->inlen) + mlx5_ib_dbg(dev, "udata is too small\n"); + + return (params->inlen) ? 0 : -EINVAL; +} + +static int create_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, + struct mlx5_ib_qp *qp, + struct mlx5_create_qp_params *params) +{ + int err; + + if (params->is_rss_raw) { + err = create_rss_raw_qp_tir(dev, pd, qp, params); + goto out; } - switch (init_attr->qp_type) { + switch (qp->type) { + case MLX5_IB_QPT_DCT: + err = create_dct(dev, pd, qp, params); + rdma_restrack_no_track(&qp->ibqp.res); + break; + case MLX5_IB_QPT_DCI: + err = create_dci(dev, pd, qp, params); + break; case IB_QPT_XRC_TGT: - case IB_QPT_XRC_INI: - if (!MLX5_CAP_GEN(dev->mdev, xrc)) { - mlx5_ib_dbg(dev, "XRC not supported\n"); - return ERR_PTR(-ENOSYS); - } - init_attr->recv_cq = NULL; - if (init_attr->qp_type == IB_QPT_XRC_TGT) { - xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; - init_attr->send_cq = NULL; - } - - /* fall through */ - case IB_QPT_RAW_PACKET: - case IB_QPT_RC: - case IB_QPT_UC: - case IB_QPT_UD: - case IB_QPT_SMI: + err = create_xrc_tgt_qp(dev, qp, params); + break; + case IB_QPT_GSI: + err = mlx5_ib_create_gsi(pd, qp, params->attr); + break; case MLX5_IB_QPT_HW_GSI: case MLX5_IB_QPT_REG_UMR: - case MLX5_IB_QPT_DCI: - qp = kzalloc(sizeof(*qp), GFP_KERNEL); - if (!qp) - return ERR_PTR(-ENOMEM); - - err = create_qp_common(dev, pd, init_attr, udata, qp); - if (err) { - mlx5_ib_dbg(dev, "create_qp_common failed\n"); - kfree(qp); - return ERR_PTR(err); - } - - if (is_qp0(init_attr->qp_type)) - qp->ibqp.qp_num = 0; - else if (is_qp1(init_attr->qp_type)) - qp->ibqp.qp_num = 1; + rdma_restrack_no_track(&qp->ibqp.res); + fallthrough; + default: + if (params->udata) + err = create_user_qp(dev, pd, qp, params); else - qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; + err = create_kernel_qp(dev, pd, qp, params); + } - mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", - qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, - init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, - init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); +out: + if (err) { + mlx5_ib_err(dev, "Create QP type %d failed\n", qp->type); + return err; + } - qp->trans_qp.xrcdn = xrcdn; + if (is_qp0(qp->type)) + qp->ibqp.qp_num = 0; + else if (is_qp1(qp->type)) + qp->ibqp.qp_num = 1; + else + qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; - break; + mlx5_ib_dbg(dev, + "QP type %d, ib qpn 0x%X, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x, ece 0x%x\n", + qp->type, qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, + params->attr->recv_cq ? to_mcq(params->attr->recv_cq)->mcq.cqn : + -1, + params->attr->send_cq ? to_mcq(params->attr->send_cq)->mcq.cqn : + -1, + params->resp.ece_options); - case IB_QPT_GSI: - return mlx5_ib_gsi_create_qp(pd, init_attr); + return 0; +} - case IB_QPT_RAW_IPV6: - case IB_QPT_RAW_ETHERTYPE: - case IB_QPT_MAX: +static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, + struct ib_qp_init_attr *attr) +{ + int ret = 0; + + switch (qp->type) { + case MLX5_IB_QPT_DCT: + ret = (!attr->srq || !attr->recv_cq) ? -EINVAL : 0; + break; + case MLX5_IB_QPT_DCI: + ret = (attr->cap.max_recv_wr || attr->cap.max_recv_sge) ? + -EINVAL : + 0; + break; + case IB_QPT_RAW_PACKET: + ret = (attr->rwq_ind_tbl && attr->send_cq) ? -EINVAL : 0; + break; default: - mlx5_ib_dbg(dev, "unsupported qp type %d\n", - init_attr->qp_type); - /* Don't support raw QPs */ - return ERR_PTR(-EINVAL); + break; } - if (verbs_init_attr->qp_type == IB_QPT_DRIVER) - qp->qp_sub_type = init_attr->qp_type; + if (ret) + mlx5_ib_dbg(dev, "QP type %d has wrong attributes\n", qp->type); + + return ret; +} + +static int get_qp_uidx(struct mlx5_ib_qp *qp, + struct mlx5_create_qp_params *params) +{ + struct mlx5_ib_create_qp *ucmd = params->ucmd; + struct ib_udata *udata = params->udata; + struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( + udata, struct mlx5_ib_ucontext, ibucontext); + + if (params->is_rss_raw) + return 0; - return &qp->ibqp; + return get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), ¶ms->uidx); } static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) @@ -2805,7 +3104,7 @@ static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) if (mqp->state == IB_QPS_RTR) { int err; - err = mlx5_core_destroy_dct(dev->mdev, &mqp->dct.mdct); + err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct); if (err) { mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); return err; @@ -2813,36 +3112,161 @@ static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) } kfree(mqp->dct.in); - kfree(mqp); return 0; } +static int check_ucmd_data(struct mlx5_ib_dev *dev, + struct mlx5_create_qp_params *params) +{ + struct ib_udata *udata = params->udata; + size_t size, last; + int ret; + + if (params->is_rss_raw) + /* + * These QPs don't have "reserved" field in their + * create_qp input struct, so their data is always valid. + */ + last = sizeof(struct mlx5_ib_create_qp_rss); + else + last = offsetof(struct mlx5_ib_create_qp, reserved); + + if (udata->inlen <= last) + return 0; + + /* + * User provides different create_qp structures based on the + * flow and we need to know if he cleared memory after our + * struct create_qp ends. + */ + size = udata->inlen - last; + ret = ib_is_udata_cleared(params->udata, last, size); + if (!ret) + mlx5_ib_dbg( + dev, + "udata is not cleared, inlen = %zu, ucmd = %zu, last = %zu, size = %zu\n", + udata->inlen, params->ucmd_size, last, size); + return ret ? 0 : -EINVAL; +} + +int mlx5_ib_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attr, + struct ib_udata *udata) +{ + struct mlx5_create_qp_params params = {}; + struct mlx5_ib_dev *dev = to_mdev(ibqp->device); + struct mlx5_ib_qp *qp = to_mqp(ibqp); + struct ib_pd *pd = ibqp->pd; + enum ib_qp_type type; + int err; + + err = check_qp_type(dev, attr, &type); + if (err) + return err; + + err = check_valid_flow(dev, pd, attr, udata); + if (err) + return err; + + params.udata = udata; + params.uidx = MLX5_IB_DEFAULT_UIDX; + params.attr = attr; + params.is_rss_raw = !!attr->rwq_ind_tbl; + + if (udata) { + err = process_udata_size(dev, ¶ms); + if (err) + return err; + + err = check_ucmd_data(dev, ¶ms); + if (err) + return err; + + params.ucmd = kzalloc(params.ucmd_size, GFP_KERNEL); + if (!params.ucmd) + return -ENOMEM; + + err = ib_copy_from_udata(params.ucmd, udata, params.inlen); + if (err) + goto free_ucmd; + } + + mutex_init(&qp->mutex); + qp->type = type; + if (udata) { + err = process_vendor_flags(dev, qp, params.ucmd, attr); + if (err) + goto free_ucmd; + + err = get_qp_uidx(qp, ¶ms); + if (err) + goto free_ucmd; + } + err = process_create_flags(dev, qp, attr); + if (err) + goto free_ucmd; + + err = check_qp_attr(dev, qp, attr); + if (err) + goto free_ucmd; + + err = create_qp(dev, pd, qp, ¶ms); + if (err) + goto free_ucmd; + + kfree(params.ucmd); + params.ucmd = NULL; + + if (udata) + /* + * It is safe to copy response for all user create QP flows, + * including MLX5_IB_QPT_DCT, which doesn't need it. + * In that case, resp will be filled with zeros. + */ + err = ib_copy_to_udata(udata, ¶ms.resp, params.outlen); + if (err) + goto destroy_qp; + + return 0; + +destroy_qp: + switch (qp->type) { + case MLX5_IB_QPT_DCT: + mlx5_ib_destroy_dct(qp); + break; + case IB_QPT_GSI: + mlx5_ib_destroy_gsi(qp); + break; + default: + destroy_qp_common(dev, qp, udata); + } + +free_ucmd: + kfree(params.ucmd); + return err; +} + int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(qp->device); struct mlx5_ib_qp *mqp = to_mqp(qp); - if (unlikely(qp->qp_type == IB_QPT_GSI)) - return mlx5_ib_gsi_destroy_qp(qp); + if (mqp->type == IB_QPT_GSI) + return mlx5_ib_destroy_gsi(mqp); - if (mqp->qp_sub_type == MLX5_IB_QPT_DCT) + if (mqp->type == MLX5_IB_QPT_DCT) return mlx5_ib_destroy_dct(mqp); destroy_qp_common(dev, mqp, udata); - - kfree(mqp); - return 0; } -static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, - const struct ib_qp_attr *attr, - int attr_mask, __be32 *hw_access_flags_be) +static int set_qpc_atomic_flags(struct mlx5_ib_qp *qp, + const struct ib_qp_attr *attr, int attr_mask, + void *qpc) { - u8 dest_rd_atomic; - u32 access_flags, hw_access_flags = 0; - struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); + u8 dest_rd_atomic; + u32 access_flags; if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) dest_rd_atomic = attr->max_dest_rd_atomic; @@ -2857,24 +3281,20 @@ static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, if (!dest_rd_atomic) access_flags &= IB_ACCESS_REMOTE_WRITE; - if (access_flags & IB_ACCESS_REMOTE_READ) - hw_access_flags |= MLX5_QP_BIT_RRE; + MLX5_SET(qpc, qpc, rre, !!(access_flags & IB_ACCESS_REMOTE_READ)); + if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { int atomic_mode; - atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); + atomic_mode = get_atomic_mode(dev, qp->type); if (atomic_mode < 0) return -EOPNOTSUPP; - hw_access_flags |= MLX5_QP_BIT_RAE; - hw_access_flags |= atomic_mode << MLX5_ATOMIC_MODE_OFFSET; + MLX5_SET(qpc, qpc, rae, 1); + MLX5_SET(qpc, qpc, atomic_mode, atomic_mode); } - if (access_flags & IB_ACCESS_REMOTE_WRITE) - hw_access_flags |= MLX5_QP_BIT_RWE; - - *hw_access_flags_be = cpu_to_be32(hw_access_flags); - + MLX5_SET(qpc, qpc, rwe, !!(access_flags & IB_ACCESS_REMOTE_WRITE)); return 0; } @@ -2884,20 +3304,59 @@ enum { MLX5_PATH_FLAG_COUNTER = 1 << 2, }; +static int mlx5_to_ib_rate_map(u8 rate) +{ + static const int rates[] = { IB_RATE_PORT_CURRENT, IB_RATE_56_GBPS, + IB_RATE_25_GBPS, IB_RATE_100_GBPS, + IB_RATE_200_GBPS, IB_RATE_50_GBPS, + IB_RATE_400_GBPS }; + + if (rate < ARRAY_SIZE(rates)) + return rates[rate]; + + return rate - MLX5_STAT_RATE_OFFSET; +} + +static int ib_to_mlx5_rate_map(u8 rate) +{ + switch (rate) { + case IB_RATE_PORT_CURRENT: + return 0; + case IB_RATE_56_GBPS: + return 1; + case IB_RATE_25_GBPS: + return 2; + case IB_RATE_100_GBPS: + return 3; + case IB_RATE_200_GBPS: + return 4; + case IB_RATE_50_GBPS: + return 5; + case IB_RATE_400_GBPS: + return 6; + default: + return rate + MLX5_STAT_RATE_OFFSET; + } + + return 0; +} + static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) { + u32 stat_rate_support; + if (rate == IB_RATE_PORT_CURRENT) return 0; if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) return -EINVAL; + stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support); while (rate != IB_RATE_PORT_CURRENT && - !(1 << (rate + MLX5_STAT_RATE_OFFSET) & - MLX5_CAP_GEN(dev->mdev, stat_rate_support))) + !(1 << ib_to_mlx5_rate_map(rate) & stat_rate_support)) --rate; - return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; + return ib_to_mlx5_rate_map(rate); } static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, @@ -2920,7 +3379,7 @@ static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); - err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); + err = mlx5_core_modify_tis(dev, sq->tisn, in); kvfree(in); @@ -2947,18 +3406,29 @@ static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); - err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); + err = mlx5_core_modify_tis(dev, sq->tisn, in); kvfree(in); return err; } +static void mlx5_set_path_udp_sport(void *path, const struct rdma_ah_attr *ah, + u32 lqpn, u32 rqpn) + +{ + u32 fl = ah->grh.flow_label; + + if (!fl) + fl = rdma_calc_flow_label(lqpn, rqpn); + + MLX5_SET(ads, path, udp_sport, rdma_flow_label_to_udp_sport(fl)); +} + static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, - const struct rdma_ah_attr *ah, - struct mlx5_qp_path *path, u8 port, int attr_mask, - u32 path_flags, const struct ib_qp_attr *attr, - bool alt) + const struct rdma_ah_attr *ah, void *path, u8 port, + int attr_mask, u32 path_flags, + const struct ib_qp_attr *attr, bool alt) { const struct ib_global_route *grh = rdma_ah_read_grh(ah); int err; @@ -2967,15 +3437,17 @@ static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, u8 sl = rdma_ah_get_sl(ah); if (attr_mask & IB_QP_PKEY_INDEX) - path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : - attr->pkey_index); + MLX5_SET(ads, path, pkey_index, + alt ? attr->alt_pkey_index : attr->pkey_index); if (ah_flags & IB_AH_GRH) { - if (grh->sgid_index >= - dev->mdev->port_caps[port - 1].gid_table_len) { + const struct ib_port_immutable *immutable; + + immutable = ib_port_immutable_read(&dev->ib_dev, port); + if (grh->sgid_index >= immutable->gid_tbl_len) { pr_err("sgid_index (%u) too large. max is %d\n", grh->sgid_index, - dev->mdev->port_caps[port - 1].gid_table_len); + immutable->gid_tbl_len); return -EINVAL; } } @@ -2984,47 +3456,51 @@ static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, if (!(ah_flags & IB_AH_GRH)) return -EINVAL; - memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); - if (qp->ibqp.qp_type == IB_QPT_RC || - qp->ibqp.qp_type == IB_QPT_UC || - qp->ibqp.qp_type == IB_QPT_XRC_INI || - qp->ibqp.qp_type == IB_QPT_XRC_TGT) - path->udp_sport = - mlx5_get_roce_udp_sport(dev, ah->grh.sgid_attr); - path->dci_cfi_prio_sl = (sl & 0x7) << 4; + ether_addr_copy(MLX5_ADDR_OF(ads, path, rmac_47_32), + ah->roce.dmac); + if ((qp->type == IB_QPT_RC || + qp->type == IB_QPT_UC || + qp->type == IB_QPT_XRC_INI || + qp->type == IB_QPT_XRC_TGT) && + (grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) && + (attr_mask & IB_QP_DEST_QPN)) + mlx5_set_path_udp_sport(path, ah, + qp->ibqp.qp_num, + attr->dest_qp_num); + MLX5_SET(ads, path, eth_prio, sl & 0x7); gid_type = ah->grh.sgid_attr->gid_type; if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) - path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; + MLX5_SET(ads, path, dscp, grh->traffic_class >> 2); } else { - path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; - path->fl_free_ar |= - (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; - path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); - path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; - if (ah_flags & IB_AH_GRH) - path->grh_mlid |= 1 << 7; - path->dci_cfi_prio_sl = sl & 0xf; + MLX5_SET(ads, path, fl, !!(path_flags & MLX5_PATH_FLAG_FL)); + MLX5_SET(ads, path, free_ar, + !!(path_flags & MLX5_PATH_FLAG_FREE_AR)); + MLX5_SET(ads, path, rlid, rdma_ah_get_dlid(ah)); + MLX5_SET(ads, path, mlid, rdma_ah_get_path_bits(ah)); + MLX5_SET(ads, path, grh, !!(ah_flags & IB_AH_GRH)); + MLX5_SET(ads, path, sl, sl); } if (ah_flags & IB_AH_GRH) { - path->mgid_index = grh->sgid_index; - path->hop_limit = grh->hop_limit; - path->tclass_flowlabel = - cpu_to_be32((grh->traffic_class << 20) | - (grh->flow_label)); - memcpy(path->rgid, grh->dgid.raw, 16); + MLX5_SET(ads, path, src_addr_index, grh->sgid_index); + MLX5_SET(ads, path, hop_limit, grh->hop_limit); + MLX5_SET(ads, path, tclass, grh->traffic_class); + MLX5_SET(ads, path, flow_label, grh->flow_label); + memcpy(MLX5_ADDR_OF(ads, path, rgid_rip), grh->dgid.raw, + sizeof(grh->dgid.raw)); } err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); if (err < 0) return err; - path->static_rate = err; - path->port = port; + MLX5_SET(ads, path, stat_rate, err); + MLX5_SET(ads, path, vhca_port_num, port); if (attr_mask & IB_QP_TIMEOUT) - path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; + MLX5_SET(ads, path, ack_timeout, + alt ? attr->alt_timeout : attr->timeout); - if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) + if ((qp->type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) return modify_raw_packet_eth_prio(dev->mdev, &qp->raw_packet_qp.sq, sl & 0xf, qp->ibqp.pd); @@ -3039,10 +3515,12 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q MLX5_QP_OPTPAR_RAE | MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_PKEY_INDEX | - MLX5_QP_OPTPAR_PRI_PORT, + MLX5_QP_OPTPAR_PRI_PORT | + MLX5_QP_OPTPAR_LAG_TX_AFF, [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_PKEY_INDEX | - MLX5_QP_OPTPAR_PRI_PORT, + MLX5_QP_OPTPAR_PRI_PORT | + MLX5_QP_OPTPAR_LAG_TX_AFF, [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | MLX5_QP_OPTPAR_Q_KEY | MLX5_QP_OPTPAR_PRI_PORT, @@ -3050,17 +3528,20 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q MLX5_QP_OPTPAR_RAE | MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_PKEY_INDEX | - MLX5_QP_OPTPAR_PRI_PORT, + MLX5_QP_OPTPAR_PRI_PORT | + MLX5_QP_OPTPAR_LAG_TX_AFF, }, [MLX5_QP_STATE_RTR] = { [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE | MLX5_QP_OPTPAR_RWE | - MLX5_QP_OPTPAR_PKEY_INDEX, + MLX5_QP_OPTPAR_PKEY_INDEX | + MLX5_QP_OPTPAR_LAG_TX_AFF, [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | MLX5_QP_OPTPAR_RWE | - MLX5_QP_OPTPAR_PKEY_INDEX, + MLX5_QP_OPTPAR_PKEY_INDEX | + MLX5_QP_OPTPAR_LAG_TX_AFF, [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | MLX5_QP_OPTPAR_Q_KEY, [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | @@ -3069,7 +3550,8 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE | MLX5_QP_OPTPAR_RWE | - MLX5_QP_OPTPAR_PKEY_INDEX, + MLX5_QP_OPTPAR_PKEY_INDEX | + MLX5_QP_OPTPAR_LAG_TX_AFF, }, }, [MLX5_QP_STATE_RTR] = { @@ -3129,6 +3611,17 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q MLX5_QP_OPTPAR_RRE, }, }, + [MLX5_QP_STATE_SQD] = { + [MLX5_QP_STATE_RTS] = { + [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, + [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, + [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, + [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | + MLX5_QP_OPTPAR_RWE | + MLX5_QP_OPTPAR_RAE | + MLX5_QP_OPTPAR_RRE, + }, + }, }; static int ib_nr_to_mlx5_nr(int ib_mask) @@ -3227,7 +3720,7 @@ static int modify_raw_packet_qp_rq( "RAW PACKET QP counters are not supported on current FW\n"); } - err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); + err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in); if (err) goto out; @@ -3290,7 +3783,7 @@ static int modify_raw_packet_qp_sq( MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); } - err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); + err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in); if (err) { /* Remove new rate from table if failed */ if (new_rate_added) @@ -3330,7 +3823,7 @@ static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, switch (raw_qp_param->operation) { case MLX5_CMD_OP_RST2INIT_QP: rq_state = MLX5_RQC_STATE_RDY; - sq_state = MLX5_SQC_STATE_RDY; + sq_state = MLX5_SQC_STATE_RST; break; case MLX5_CMD_OP_2ERR_QP: rq_state = MLX5_RQC_STATE_ERR; @@ -3342,13 +3835,11 @@ static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, break; case MLX5_CMD_OP_RTR2RTS_QP: case MLX5_CMD_OP_RTS2RTS_QP: - if (raw_qp_param->set_mask == - MLX5_RAW_QP_RATE_LIMIT) { - modify_rq = 0; - sq_state = sq->state; - } else { - return raw_qp_param->set_mask ? -EINVAL : 0; - } + if (raw_qp_param->set_mask & ~MLX5_RAW_QP_RATE_LIMIT) + return -EINVAL; + + modify_rq = 0; + sq_state = MLX5_SQC_STATE_RDY; break; case MLX5_CMD_OP_INIT2INIT_QP: case MLX5_CMD_OP_INIT2RTR_QP: @@ -3403,43 +3894,78 @@ static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, return 0; } -static unsigned int get_tx_affinity(struct mlx5_ib_dev *dev, - struct mlx5_ib_pd *pd, - struct mlx5_ib_qp_base *qp_base, - u8 port_num, struct ib_udata *udata) +static unsigned int get_tx_affinity_rr(struct mlx5_ib_dev *dev, + struct ib_udata *udata) { struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( udata, struct mlx5_ib_ucontext, ibucontext); - unsigned int tx_port_affinity; + u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; + atomic_t *tx_port_affinity; + + if (ucontext) + tx_port_affinity = &ucontext->tx_port_affinity; + else + tx_port_affinity = &dev->port[port_num].roce.tx_port_affinity; + + return (unsigned int)atomic_add_return(1, tx_port_affinity) % + (dev->lag_active ? dev->lag_ports : MLX5_CAP_GEN(dev->mdev, num_lag_ports)) + 1; +} + +static bool qp_supports_affinity(struct mlx5_ib_qp *qp) +{ + if ((qp->type == IB_QPT_RC) || (qp->type == IB_QPT_UD) || + (qp->type == IB_QPT_UC) || (qp->type == IB_QPT_RAW_PACKET) || + (qp->type == IB_QPT_XRC_INI) || (qp->type == IB_QPT_XRC_TGT) || + (qp->type == MLX5_IB_QPT_DCI)) + return true; + return false; +} + +static unsigned int get_tx_affinity(struct ib_qp *qp, + const struct ib_qp_attr *attr, + int attr_mask, u8 init, + struct ib_udata *udata) +{ + struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( + udata, struct mlx5_ib_ucontext, ibucontext); + struct mlx5_ib_dev *dev = to_mdev(qp->device); + struct mlx5_ib_qp *mqp = to_mqp(qp); + struct mlx5_ib_qp_base *qp_base; + unsigned int tx_affinity; + + if (!(mlx5_ib_lag_should_assign_affinity(dev) && + qp_supports_affinity(mqp))) + return 0; - if (ucontext) { - tx_port_affinity = (unsigned int)atomic_add_return( - 1, &ucontext->tx_port_affinity) % - MLX5_MAX_PORTS + - 1; + if (mqp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) + tx_affinity = mqp->gsi_lag_port; + else if (init) + tx_affinity = get_tx_affinity_rr(dev, udata); + else if ((attr_mask & IB_QP_AV) && attr->xmit_slave) + tx_affinity = + mlx5_lag_get_slave_port(dev->mdev, attr->xmit_slave); + else + return 0; + + qp_base = &mqp->trans_qp.base; + if (ucontext) mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", - tx_port_affinity, qp_base->mqp.qpn, ucontext); - } else { - tx_port_affinity = - (unsigned int)atomic_add_return( - 1, &dev->port[port_num].roce.tx_port_affinity) % - MLX5_MAX_PORTS + - 1; + tx_affinity, qp_base->mqp.qpn, ucontext); + else mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", - tx_port_affinity, qp_base->mqp.qpn); - } - - return tx_port_affinity; + tx_affinity, qp_base->mqp.qpn); + return tx_affinity; } static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) { struct mlx5_ib_dev *dev = to_mdev(qp->device); + u32 in[MLX5_ST_SZ_DW(rts2rts_qp_in)] = {}; struct mlx5_ib_qp *mqp = to_mqp(qp); - struct mlx5_qp_context context = {}; struct mlx5_ib_qp_base *base; u32 set_id; + u32 *qpc; if (counter) set_id = counter->id; @@ -3447,12 +3973,15 @@ static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); base = &mqp->trans_qp.base; - context.qp_counter_set_usr_page &= cpu_to_be32(0xffffff); - context.qp_counter_set_usr_page |= cpu_to_be32(set_id << 24); - return mlx5_core_qp_modify(dev->mdev, - MLX5_CMD_OP_RTS2RTS_QP, - MLX5_QP_OPTPAR_COUNTER_SET_ID, - &context, &base->mqp); + MLX5_SET(rts2rts_qp_in, in, opcode, MLX5_CMD_OP_RTS2RTS_QP); + MLX5_SET(rts2rts_qp_in, in, qpn, base->mqp.qpn); + MLX5_SET(rts2rts_qp_in, in, uid, base->mqp.uid); + MLX5_SET(rts2rts_qp_in, in, opt_param_mask, + MLX5_QP_OPTPAR_COUNTER_SET_ID); + + qpc = MLX5_ADDR_OF(rts2rts_qp_in, in, qpc); + MLX5_SET(qpc, qpc, counter_set_id, set_id); + return mlx5_cmd_exec_in(dev->mdev, rts2rts_qp, in); } static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, @@ -3460,6 +3989,7 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, enum ib_qp_state cur_state, enum ib_qp_state new_state, const struct mlx5_ib_modify_qp *ucmd, + struct mlx5_ib_modify_qp_resp *resp, struct ib_udata *udata) { static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { @@ -3487,6 +4017,7 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, [MLX5_QP_STATE_SQD] = { [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, + [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQD_RTS_QP, }, [MLX5_QP_STATE_SQER] = { [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, @@ -3503,67 +4034,60 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, struct mlx5_ib_qp *qp = to_mqp(ibqp); struct mlx5_ib_qp_base *base = &qp->trans_qp.base; struct mlx5_ib_cq *send_cq, *recv_cq; - struct mlx5_qp_context *context; struct mlx5_ib_pd *pd; enum mlx5_qp_state mlx5_cur, mlx5_new; - enum mlx5_qp_optpar optpar; + void *qpc, *pri_path, *alt_path; + enum mlx5_qp_optpar optpar = 0; u32 set_id = 0; int mlx5_st; int err; u16 op; u8 tx_affinity = 0; - mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? - qp->qp_sub_type : ibqp->qp_type); + mlx5_st = to_mlx5_st(qp->type); if (mlx5_st < 0) return -EINVAL; - context = kzalloc(sizeof(*context), GFP_KERNEL); - if (!context) + qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL); + if (!qpc) return -ENOMEM; - pd = get_pd(qp); - context->flags = cpu_to_be32(mlx5_st << 16); + pd = to_mpd(qp->ibqp.pd); + MLX5_SET(qpc, qpc, st, mlx5_st); if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { - context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); + MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); } else { switch (attr->path_mig_state) { case IB_MIG_MIGRATED: - context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); + MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); break; case IB_MIG_REARM: - context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); + MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_REARM); break; case IB_MIG_ARMED: - context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); + MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_ARMED); break; } } - if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { - if ((ibqp->qp_type == IB_QPT_RC) || - (ibqp->qp_type == IB_QPT_UD && - !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || - (ibqp->qp_type == IB_QPT_UC) || - (ibqp->qp_type == IB_QPT_RAW_PACKET) || - (ibqp->qp_type == IB_QPT_XRC_INI) || - (ibqp->qp_type == IB_QPT_XRC_TGT)) { - if (dev->lag_active) { - u8 p = mlx5_core_native_port_num(dev->mdev) - 1; - tx_affinity = get_tx_affinity(dev, pd, base, p, - udata); - context->flags |= cpu_to_be32(tx_affinity << 24); - } - } - } + tx_affinity = get_tx_affinity(ibqp, attr, attr_mask, + cur_state == IB_QPS_RESET && + new_state == IB_QPS_INIT, udata); + + MLX5_SET(qpc, qpc, lag_tx_port_affinity, tx_affinity); + if (tx_affinity && new_state == IB_QPS_RTR && + MLX5_CAP_GEN(dev->mdev, init2_lag_tx_port_affinity)) + optpar |= MLX5_QP_OPTPAR_LAG_TX_AFF; - if (is_sqp(ibqp->qp_type)) { - context->mtu_msgmax = (IB_MTU_256 << 5) | 8; - } else if ((ibqp->qp_type == IB_QPT_UD && - !(qp->flags & MLX5_IB_QP_UNDERLAY)) || - ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { - context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; + if (is_sqp(qp->type)) { + MLX5_SET(qpc, qpc, mtu, IB_MTU_256); + MLX5_SET(qpc, qpc, log_msg_max, 8); + } else if ((qp->type == IB_QPT_UD && + !(qp->flags & IB_QP_CREATE_SOURCE_QPN)) || + qp->type == MLX5_IB_QPT_REG_UMR) { + MLX5_SET(qpc, qpc, mtu, IB_MTU_4096); + MLX5_SET(qpc, qpc, log_msg_max, 12); } else if (attr_mask & IB_QP_PATH_MTU) { if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) { @@ -3571,117 +4095,115 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, err = -EINVAL; goto out; } - context->mtu_msgmax = (attr->path_mtu << 5) | - (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); + MLX5_SET(qpc, qpc, mtu, attr->path_mtu); + MLX5_SET(qpc, qpc, log_msg_max, + MLX5_CAP_GEN(dev->mdev, log_max_msg)); } if (attr_mask & IB_QP_DEST_QPN) - context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); + MLX5_SET(qpc, qpc, remote_qpn, attr->dest_qp_num); + + pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); + alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); if (attr_mask & IB_QP_PKEY_INDEX) - context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); + MLX5_SET(ads, pri_path, pkey_index, attr->pkey_index); /* todo implement counter_index functionality */ - if (is_sqp(ibqp->qp_type)) - context->pri_path.port = qp->port; + if (is_sqp(qp->type)) + MLX5_SET(ads, pri_path, vhca_port_num, qp->port); if (attr_mask & IB_QP_PORT) - context->pri_path.port = attr->port_num; + MLX5_SET(ads, pri_path, vhca_port_num, attr->port_num); if (attr_mask & IB_QP_AV) { - err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, - attr_mask & IB_QP_PORT ? attr->port_num : qp->port, + err = mlx5_set_path(dev, qp, &attr->ah_attr, pri_path, + attr_mask & IB_QP_PORT ? attr->port_num : + qp->port, attr_mask, 0, attr, false); if (err) goto out; } if (attr_mask & IB_QP_TIMEOUT) - context->pri_path.ackto_lt |= attr->timeout << 3; + MLX5_SET(ads, pri_path, ack_timeout, attr->timeout); if (attr_mask & IB_QP_ALT_PATH) { - err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, - &context->alt_path, + err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, alt_path, attr->alt_port_num, - attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, + attr_mask | IB_QP_PKEY_INDEX | + IB_QP_TIMEOUT, 0, attr, true); if (err) goto out; } - get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, + get_cqs(qp->type, qp->ibqp.send_cq, qp->ibqp.recv_cq, &send_cq, &recv_cq); - context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); - context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; - context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; - context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); + MLX5_SET(qpc, qpc, pd, pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); + if (send_cq) + MLX5_SET(qpc, qpc, cqn_snd, send_cq->mcq.cqn); + if (recv_cq) + MLX5_SET(qpc, qpc, cqn_rcv, recv_cq->mcq.cqn); + + MLX5_SET(qpc, qpc, log_ack_req_freq, MLX5_IB_ACK_REQ_FREQ); if (attr_mask & IB_QP_RNR_RETRY) - context->params1 |= cpu_to_be32(attr->rnr_retry << 13); + MLX5_SET(qpc, qpc, rnr_retry, attr->rnr_retry); if (attr_mask & IB_QP_RETRY_CNT) - context->params1 |= cpu_to_be32(attr->retry_cnt << 16); + MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt); - if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { - if (attr->max_rd_atomic) - context->params1 |= - cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); - } + if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic) + MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic)); if (attr_mask & IB_QP_SQ_PSN) - context->next_send_psn = cpu_to_be32(attr->sq_psn); + MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn); - if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { - if (attr->max_dest_rd_atomic) - context->params2 |= - cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); - } + if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic) + MLX5_SET(qpc, qpc, log_rra_max, + ilog2(attr->max_dest_rd_atomic)); if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { - __be32 access_flags; - - err = to_mlx5_access_flags(qp, attr, attr_mask, &access_flags); + err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc); if (err) goto out; - - context->params2 |= access_flags; } if (attr_mask & IB_QP_MIN_RNR_TIMER) - context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); + MLX5_SET(qpc, qpc, min_rnr_nak, attr->min_rnr_timer); if (attr_mask & IB_QP_RQ_PSN) - context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); + MLX5_SET(qpc, qpc, next_rcv_psn, attr->rq_psn); if (attr_mask & IB_QP_QKEY) - context->qkey = cpu_to_be32(attr->qkey); + MLX5_SET(qpc, qpc, q_key, attr->qkey); if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) - context->db_rec_addr = cpu_to_be64(qp->db.dma); + MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : qp->port) - 1; /* Underlay port should be used - index 0 function per port */ - if (qp->flags & MLX5_IB_QP_UNDERLAY) + if (qp->flags & IB_QP_CREATE_SOURCE_QPN) port_num = 0; if (ibqp->counter) set_id = ibqp->counter->id; else set_id = mlx5_ib_get_counters_id(dev, port_num); - context->qp_counter_set_usr_page |= - cpu_to_be32(set_id << 24); + MLX5_SET(qpc, qpc, counter_set_id, set_id); } if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) - context->sq_crq_size |= cpu_to_be16(1 << 4); + MLX5_SET(qpc, qpc, rlky, 1); - if (qp->flags & MLX5_IB_QP_SQPN_QP1) - context->deth_sqpn = cpu_to_be32(1); + if (qp->flags & MLX5_IB_QP_CREATE_SQPN_QP1) + MLX5_SET(qpc, qpc, deth_sqpn, 1); mlx5_cur = to_mlx5_state(cur_state); mlx5_new = to_mlx5_state(new_state); @@ -3693,11 +4215,11 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, } op = optab[mlx5_cur][mlx5_new]; - optpar = ib_mask_to_mlx5_opt(attr_mask); + optpar |= ib_mask_to_mlx5_opt(attr_mask); optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; - if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || - qp->flags & MLX5_IB_QP_UNDERLAY) { + if (qp->type == IB_QPT_RAW_PACKET || + qp->flags & IB_QP_CREATE_SOURCE_QPN) { struct mlx5_modify_raw_qp_param raw_qp_param = {}; raw_qp_param.operation = op; @@ -3739,8 +4261,15 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); } else { - err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, - &base->mqp); + if (udata) { + /* For the kernel flows, the resp will stay zero */ + resp->ece_options = + MLX5_CAP_GEN(dev->mdev, ece_support) ? + ucmd->ece_options : 0; + resp->response_length = sizeof(*resp); + } + err = mlx5_core_qp_modify(dev, op, optpar, qpc, &base->mqp, + &resp->ece_options); } if (err) @@ -3762,7 +4291,7 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, * entries and reinitialize the QP. */ if (new_state == IB_QPS_RESET && - !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { + !ibqp->uobject && qp->type != IB_QPT_XRC_TGT) { mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, ibqp->srq ? to_msrq(ibqp->srq) : NULL); if (send_cq != recv_cq) @@ -3775,6 +4304,7 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, qp->sq.cur_post = 0; if (qp->sq.wqe_cnt) qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); + qp->sq.last_poll = 0; qp->db.db[MLX5_RCV_DBR] = 0; qp->db.db[MLX5_SND_DBR] = 0; } @@ -3786,7 +4316,7 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, } out: - kfree(context); + kfree(qpc); return err; } @@ -3844,14 +4374,15 @@ static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new * Other transitions and attributes are illegal */ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, - int attr_mask, struct ib_udata *udata) + int attr_mask, struct mlx5_ib_modify_qp *ucmd, + struct ib_udata *udata) { struct mlx5_ib_qp *qp = to_mqp(ibqp); struct mlx5_ib_dev *dev = to_mdev(ibqp->device); enum ib_qp_state cur_state, new_state; - int err = 0; int required = IB_QP_STATE; void *dctc; + int err; if (!(attr_mask & IB_QP_STATE)) return -EINVAL; @@ -3860,6 +4391,15 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, new_state = attr->qp_state; dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); + if (MLX5_CAP_GEN(dev->mdev, ece_support) && ucmd->ece_options) + /* + * DCT doesn't initialize QP till modify command is executed, + * so we need to overwrite previously set ECE field if user + * provided any value except zero, which means not set/not + * valid. + */ + MLX5_SET(dctc, dctc, ece, ucmd->ece_options); + if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { u16 set_id; @@ -3888,20 +4428,28 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, MLX5_SET(dctc, dctc, rae, 1); } MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); - MLX5_SET(dctc, dctc, port, attr->port_num); + if (mlx5_lag_is_active(dev->mdev)) + MLX5_SET(dctc, dctc, port, + get_tx_affinity_rr(dev, udata)); + else + MLX5_SET(dctc, dctc, port, attr->port_num); set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); MLX5_SET(dctc, dctc, counter_set_id, set_id); - } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { struct mlx5_ib_modify_qp_resp resp = {}; - u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; - u32 min_resp_len = offsetof(typeof(resp), dctn) + - sizeof(resp.dctn); + u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {}; + u32 min_resp_len = offsetofend(typeof(resp), dctn); if (udata->outlen < min_resp_len) return -EINVAL; - resp.response_length = min_resp_len; + /* + * If we don't have enough space for the ECE options, + * simply indicate it with resp.response_length. + */ + resp.response_length = (udata->outlen < sizeof(resp)) ? + min_resp_len : + sizeof(resp); required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; if (!is_valid_mask(attr_mask, required, 0)) @@ -3912,48 +4460,70 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, MLX5_SET(dctc, dctc, mtu, attr->path_mtu); MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); + if (attr->ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE) + MLX5_SET(dctc, dctc, eth_prio, attr->ah_attr.sl & 0x7); - err = mlx5_core_create_dct(dev->mdev, &qp->dct.mdct, qp->dct.in, + err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in, MLX5_ST_SZ_BYTES(create_dct_in), out, sizeof(out)); + err = mlx5_cmd_check(dev->mdev, err, qp->dct.in, out); if (err) return err; resp.dctn = qp->dct.mdct.mqp.qpn; + if (MLX5_CAP_GEN(dev->mdev, ece_support)) + resp.ece_options = MLX5_GET(create_dct_out, out, ece); err = ib_copy_to_udata(udata, &resp, resp.response_length); if (err) { - mlx5_core_destroy_dct(dev->mdev, &qp->dct.mdct); + mlx5_core_destroy_dct(dev, &qp->dct.mdct); return err; } } else { mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); return -EINVAL; } - if (err) - qp->state = IB_QPS_ERR; - else - qp->state = new_state; - return err; + + qp->state = new_state; + return 0; +} + +static bool mlx5_ib_modify_qp_allowed(struct mlx5_ib_dev *dev, + struct mlx5_ib_qp *qp) +{ + if (dev->profile != &raw_eth_profile) + return true; + + if (qp->type == IB_QPT_RAW_PACKET || qp->type == MLX5_IB_QPT_REG_UMR) + return true; + + /* Internal QP used for wc testing, with NOPs in wq */ + if (qp->flags & MLX5_IB_QP_CREATE_WC_TEST) + return true; + + return false; } int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(ibqp->device); + struct mlx5_ib_modify_qp_resp resp = {}; struct mlx5_ib_qp *qp = to_mqp(ibqp); struct mlx5_ib_modify_qp ucmd = {}; enum ib_qp_type qp_type; enum ib_qp_state cur_state, new_state; - size_t required_cmd_sz; int err = -EINVAL; - int port; + + if (!mlx5_ib_modify_qp_allowed(dev, qp)) + return -EOPNOTSUPP; + + if (attr_mask & ~(IB_QP_ATTR_STANDARD_BITS | IB_QP_RATE_LIMIT)) + return -EOPNOTSUPP; if (ibqp->rwq_ind_tbl) return -ENOSYS; if (udata && udata->inlen) { - required_cmd_sz = offsetof(typeof(ucmd), reserved) + - sizeof(ucmd.reserved); - if (udata->inlen < required_cmd_sz) + if (udata->inlen < offsetofend(typeof(ucmd), ece_options)) return -EINVAL; if (udata->inlen > sizeof(ucmd) && @@ -3966,34 +4536,26 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, return -EFAULT; if (ucmd.comp_mask || - memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || memchr_inv(&ucmd.burst_info.reserved, 0, sizeof(ucmd.burst_info.reserved))) return -EOPNOTSUPP; + } - if (unlikely(ibqp->qp_type == IB_QPT_GSI)) + if (qp->type == IB_QPT_GSI) return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); - if (ibqp->qp_type == IB_QPT_DRIVER) - qp_type = qp->qp_sub_type; - else - qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? - IB_QPT_GSI : ibqp->qp_type; + qp_type = (qp->type == MLX5_IB_QPT_HW_GSI) ? IB_QPT_GSI : qp->type; if (qp_type == MLX5_IB_QPT_DCT) - return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); + return mlx5_ib_modify_dct(ibqp, attr, attr_mask, &ucmd, udata); mutex_lock(&qp->mutex); cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; - if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { - port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; - } - - if (qp->flags & MLX5_IB_QP_UNDERLAY) { + if (qp->flags & IB_QP_CREATE_SOURCE_QPN) { if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", attr_mask); @@ -4004,7 +4566,7 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask)) { mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", - cur_state, new_state, ibqp->qp_type, attr_mask); + cur_state, new_state, qp->type, attr_mask); goto out; } else if (qp_type == MLX5_IB_QPT_DCI && !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { @@ -4021,14 +4583,10 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, goto out; } - if (attr_mask & IB_QP_PKEY_INDEX) { - port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; - if (attr->pkey_index >= - dev->mdev->port_caps[port - 1].pkey_table_len) { - mlx5_ib_dbg(dev, "invalid pkey index %d\n", - attr->pkey_index); - goto out; - } + if ((attr_mask & IB_QP_PKEY_INDEX) && + attr->pkey_index >= dev->pkey_table_len) { + mlx5_ib_dbg(dev, "invalid pkey index %d\n", attr->pkey_index); + goto out; } if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && @@ -4053,1439 +4611,19 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, } err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, - new_state, &ucmd, udata); - -out: - mutex_unlock(&qp->mutex); - return err; -} - -static void _handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, - u32 wqe_sz, void **cur_edge) -{ - u32 idx; - - idx = (sq->cur_post + (wqe_sz >> 2)) & (sq->wqe_cnt - 1); - *cur_edge = get_sq_edge(sq, idx); - - *seg = mlx5_frag_buf_get_wqe(&sq->fbc, idx); -} - -/* handle_post_send_edge - Check if we get to SQ edge. If yes, update to the - * next nearby edge and get new address translation for current WQE position. - * @sq - SQ buffer. - * @seg: Current WQE position (16B aligned). - * @wqe_sz: Total current WQE size [16B]. - * @cur_edge: Updated current edge. - */ -static inline void handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, - u32 wqe_sz, void **cur_edge) -{ - if (likely(*seg != *cur_edge)) - return; - - _handle_post_send_edge(sq, seg, wqe_sz, cur_edge); -} - -/* memcpy_send_wqe - copy data from src to WQE and update the relevant WQ's - * pointers. At the end @seg is aligned to 16B regardless the copied size. - * @sq - SQ buffer. - * @cur_edge: Updated current edge. - * @seg: Current WQE position (16B aligned). - * @wqe_sz: Total current WQE size [16B]. - * @src: Pointer to copy from. - * @n: Number of bytes to copy. - */ -static inline void memcpy_send_wqe(struct mlx5_ib_wq *sq, void **cur_edge, - void **seg, u32 *wqe_sz, const void *src, - size_t n) -{ - while (likely(n)) { - size_t leftlen = *cur_edge - *seg; - size_t copysz = min_t(size_t, leftlen, n); - size_t stride; - - memcpy(*seg, src, copysz); - - n -= copysz; - src += copysz; - stride = !n ? ALIGN(copysz, 16) : copysz; - *seg += stride; - *wqe_sz += stride >> 4; - handle_post_send_edge(sq, seg, *wqe_sz, cur_edge); - } -} - -static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) -{ - struct mlx5_ib_cq *cq; - unsigned cur; - - cur = wq->head - wq->tail; - if (likely(cur + nreq < wq->max_post)) - return 0; - - cq = to_mcq(ib_cq); - spin_lock(&cq->lock); - cur = wq->head - wq->tail; - spin_unlock(&cq->lock); - - return cur + nreq >= wq->max_post; -} - -static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, - u64 remote_addr, u32 rkey) -{ - rseg->raddr = cpu_to_be64(remote_addr); - rseg->rkey = cpu_to_be32(rkey); - rseg->reserved = 0; -} - -static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp, - void **seg, int *size, void **cur_edge) -{ - struct mlx5_wqe_eth_seg *eseg = *seg; - - memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); - - if (wr->send_flags & IB_SEND_IP_CSUM) - eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | - MLX5_ETH_WQE_L4_CSUM; - - if (wr->opcode == IB_WR_LSO) { - struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); - size_t left, copysz; - void *pdata = ud_wr->header; - size_t stride; - - left = ud_wr->hlen; - eseg->mss = cpu_to_be16(ud_wr->mss); - eseg->inline_hdr.sz = cpu_to_be16(left); - - /* memcpy_send_wqe should get a 16B align address. Hence, we - * first copy up to the current edge and then, if needed, - * fall-through to memcpy_send_wqe. - */ - copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start, - left); - memcpy(eseg->inline_hdr.start, pdata, copysz); - stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) - - sizeof(eseg->inline_hdr.start) + copysz, 16); - *size += stride / 16; - *seg += stride; - - if (copysz < left) { - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); - left -= copysz; - pdata += copysz; - memcpy_send_wqe(&qp->sq, cur_edge, seg, size, pdata, - left); - } - - return; - } - - *seg += sizeof(struct mlx5_wqe_eth_seg); - *size += sizeof(struct mlx5_wqe_eth_seg) / 16; -} - -static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, - const struct ib_send_wr *wr) -{ - memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); - dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); - dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); -} - -static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) -{ - dseg->byte_count = cpu_to_be32(sg->length); - dseg->lkey = cpu_to_be32(sg->lkey); - dseg->addr = cpu_to_be64(sg->addr); -} - -static u64 get_xlt_octo(u64 bytes) -{ - return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / - MLX5_IB_UMR_OCTOWORD; -} - -static __be64 frwr_mkey_mask(bool atomic) -{ - u64 result; - - result = MLX5_MKEY_MASK_LEN | - MLX5_MKEY_MASK_PAGE_SIZE | - MLX5_MKEY_MASK_START_ADDR | - MLX5_MKEY_MASK_EN_RINVAL | - MLX5_MKEY_MASK_KEY | - MLX5_MKEY_MASK_LR | - MLX5_MKEY_MASK_LW | - MLX5_MKEY_MASK_RR | - MLX5_MKEY_MASK_RW | - MLX5_MKEY_MASK_SMALL_FENCE | - MLX5_MKEY_MASK_FREE; - - if (atomic) - result |= MLX5_MKEY_MASK_A; - - return cpu_to_be64(result); -} - -static __be64 sig_mkey_mask(void) -{ - u64 result; - - result = MLX5_MKEY_MASK_LEN | - MLX5_MKEY_MASK_PAGE_SIZE | - MLX5_MKEY_MASK_START_ADDR | - MLX5_MKEY_MASK_EN_SIGERR | - MLX5_MKEY_MASK_EN_RINVAL | - MLX5_MKEY_MASK_KEY | - MLX5_MKEY_MASK_LR | - MLX5_MKEY_MASK_LW | - MLX5_MKEY_MASK_RR | - MLX5_MKEY_MASK_RW | - MLX5_MKEY_MASK_SMALL_FENCE | - MLX5_MKEY_MASK_FREE | - MLX5_MKEY_MASK_BSF_EN; - - return cpu_to_be64(result); -} - -static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, - struct mlx5_ib_mr *mr, u8 flags, bool atomic) -{ - int size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; - - memset(umr, 0, sizeof(*umr)); - - umr->flags = flags; - umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); - umr->mkey_mask = frwr_mkey_mask(atomic); -} - -static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) -{ - memset(umr, 0, sizeof(*umr)); - umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); - umr->flags = MLX5_UMR_INLINE; -} - -static __be64 get_umr_enable_mr_mask(void) -{ - u64 result; - - result = MLX5_MKEY_MASK_KEY | - MLX5_MKEY_MASK_FREE; - - return cpu_to_be64(result); -} - -static __be64 get_umr_disable_mr_mask(void) -{ - u64 result; - - result = MLX5_MKEY_MASK_FREE; - - return cpu_to_be64(result); -} - -static __be64 get_umr_update_translation_mask(void) -{ - u64 result; - - result = MLX5_MKEY_MASK_LEN | - MLX5_MKEY_MASK_PAGE_SIZE | - MLX5_MKEY_MASK_START_ADDR; - - return cpu_to_be64(result); -} - -static __be64 get_umr_update_access_mask(int atomic) -{ - u64 result; - - result = MLX5_MKEY_MASK_LR | - MLX5_MKEY_MASK_LW | - MLX5_MKEY_MASK_RR | - MLX5_MKEY_MASK_RW; - - if (atomic) - result |= MLX5_MKEY_MASK_A; - - return cpu_to_be64(result); -} - -static __be64 get_umr_update_pd_mask(void) -{ - u64 result; - - result = MLX5_MKEY_MASK_PD; - - return cpu_to_be64(result); -} - -static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) -{ - if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && - MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || - (mask & MLX5_MKEY_MASK_A && - MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) - return -EPERM; - return 0; -} - -static int set_reg_umr_segment(struct mlx5_ib_dev *dev, - struct mlx5_wqe_umr_ctrl_seg *umr, - const struct ib_send_wr *wr, int atomic) -{ - const struct mlx5_umr_wr *umrwr = umr_wr(wr); - - memset(umr, 0, sizeof(*umr)); - - if (!umrwr->ignore_free_state) { - if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) - /* fail if free */ - umr->flags = MLX5_UMR_CHECK_FREE; - else - /* fail if not free */ - umr->flags = MLX5_UMR_CHECK_NOT_FREE; - } - - umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); - if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { - u64 offset = get_xlt_octo(umrwr->offset); - - umr->xlt_offset = cpu_to_be16(offset & 0xffff); - umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); - umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; - } - if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) - umr->mkey_mask |= get_umr_update_translation_mask(); - if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { - umr->mkey_mask |= get_umr_update_access_mask(atomic); - umr->mkey_mask |= get_umr_update_pd_mask(); - } - if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) - umr->mkey_mask |= get_umr_enable_mr_mask(); - if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) - umr->mkey_mask |= get_umr_disable_mr_mask(); - - if (!wr->num_sge) - umr->flags |= MLX5_UMR_INLINE; - - return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); -} - -static u8 get_umr_flags(int acc) -{ - return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | - (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | - (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | - (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | - MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; -} - -static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, - struct mlx5_ib_mr *mr, - u32 key, int access) -{ - int ndescs = ALIGN(mr->ndescs + mr->meta_ndescs, 8) >> 1; - - memset(seg, 0, sizeof(*seg)); - - if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) - seg->log2_page_size = ilog2(mr->ibmr.page_size); - else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) - /* KLMs take twice the size of MTTs */ - ndescs *= 2; - - seg->flags = get_umr_flags(access) | mr->access_mode; - seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); - seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); - seg->start_addr = cpu_to_be64(mr->ibmr.iova); - seg->len = cpu_to_be64(mr->ibmr.length); - seg->xlt_oct_size = cpu_to_be32(ndescs); -} - -static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) -{ - memset(seg, 0, sizeof(*seg)); - seg->status = MLX5_MKEY_STATUS_FREE; -} - -static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, - const struct ib_send_wr *wr) -{ - const struct mlx5_umr_wr *umrwr = umr_wr(wr); - - memset(seg, 0, sizeof(*seg)); - if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) - seg->status = MLX5_MKEY_STATUS_FREE; - - seg->flags = convert_access(umrwr->access_flags); - if (umrwr->pd) - seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); - if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && - !umrwr->length) - seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); - - seg->start_addr = cpu_to_be64(umrwr->virt_addr); - seg->len = cpu_to_be64(umrwr->length); - seg->log2_page_size = umrwr->page_shift; - seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | - mlx5_mkey_variant(umrwr->mkey)); -} - -static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, - struct mlx5_ib_mr *mr, - struct mlx5_ib_pd *pd) -{ - int bcount = mr->desc_size * (mr->ndescs + mr->meta_ndescs); - - dseg->addr = cpu_to_be64(mr->desc_map); - dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); - dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); -} - -static __be32 send_ieth(const struct ib_send_wr *wr) -{ - switch (wr->opcode) { - case IB_WR_SEND_WITH_IMM: - case IB_WR_RDMA_WRITE_WITH_IMM: - return wr->ex.imm_data; - - case IB_WR_SEND_WITH_INV: - return cpu_to_be32(wr->ex.invalidate_rkey); - - default: - return 0; - } -} - -static u8 calc_sig(void *wqe, int size) -{ - u8 *p = wqe; - u8 res = 0; - int i; - - for (i = 0; i < size; i++) - res ^= p[i]; - - return ~res; -} - -static u8 wq_sig(void *wqe) -{ - return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); -} - -static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr, - void **wqe, int *wqe_sz, void **cur_edge) -{ - struct mlx5_wqe_inline_seg *seg; - size_t offset; - int inl = 0; - int i; - - seg = *wqe; - *wqe += sizeof(*seg); - offset = sizeof(*seg); - - for (i = 0; i < wr->num_sge; i++) { - size_t len = wr->sg_list[i].length; - void *addr = (void *)(unsigned long)(wr->sg_list[i].addr); - - inl += len; - - if (unlikely(inl > qp->max_inline_data)) - return -ENOMEM; - - while (likely(len)) { - size_t leftlen; - size_t copysz; - - handle_post_send_edge(&qp->sq, wqe, - *wqe_sz + (offset >> 4), - cur_edge); - - leftlen = *cur_edge - *wqe; - copysz = min_t(size_t, leftlen, len); - - memcpy(*wqe, addr, copysz); - len -= copysz; - addr += copysz; - *wqe += copysz; - offset += copysz; - } - } - - seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); - - *wqe_sz += ALIGN(inl + sizeof(seg->byte_count), 16) / 16; - - return 0; -} - -static u16 prot_field_size(enum ib_signature_type type) -{ - switch (type) { - case IB_SIG_TYPE_T10_DIF: - return MLX5_DIF_SIZE; - default: - return 0; - } -} - -static u8 bs_selector(int block_size) -{ - switch (block_size) { - case 512: return 0x1; - case 520: return 0x2; - case 4096: return 0x3; - case 4160: return 0x4; - case 1073741824: return 0x5; - default: return 0; - } -} - -static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, - struct mlx5_bsf_inl *inl) -{ - /* Valid inline section and allow BSF refresh */ - inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | - MLX5_BSF_REFRESH_DIF); - inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); - inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); - /* repeating block */ - inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; - inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? - MLX5_DIF_CRC : MLX5_DIF_IPCS; - - if (domain->sig.dif.ref_remap) - inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; - - if (domain->sig.dif.app_escape) { - if (domain->sig.dif.ref_escape) - inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; - else - inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; - } - - inl->dif_app_bitmask_check = - cpu_to_be16(domain->sig.dif.apptag_check_mask); -} - -static int mlx5_set_bsf(struct ib_mr *sig_mr, - struct ib_sig_attrs *sig_attrs, - struct mlx5_bsf *bsf, u32 data_size) -{ - struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; - struct mlx5_bsf_basic *basic = &bsf->basic; - struct ib_sig_domain *mem = &sig_attrs->mem; - struct ib_sig_domain *wire = &sig_attrs->wire; - - memset(bsf, 0, sizeof(*bsf)); - - /* Basic + Extended + Inline */ - basic->bsf_size_sbs = 1 << 7; - /* Input domain check byte mask */ - basic->check_byte_mask = sig_attrs->check_mask; - basic->raw_data_size = cpu_to_be32(data_size); - - /* Memory domain */ - switch (sig_attrs->mem.sig_type) { - case IB_SIG_TYPE_NONE: - break; - case IB_SIG_TYPE_T10_DIF: - basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); - basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); - mlx5_fill_inl_bsf(mem, &bsf->m_inl); - break; - default: - return -EINVAL; - } - - /* Wire domain */ - switch (sig_attrs->wire.sig_type) { - case IB_SIG_TYPE_NONE: - break; - case IB_SIG_TYPE_T10_DIF: - if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && - mem->sig_type == wire->sig_type) { - /* Same block structure */ - basic->bsf_size_sbs |= 1 << 4; - if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) - basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; - if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) - basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; - if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) - basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; - } else - basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); - - basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); - mlx5_fill_inl_bsf(wire, &bsf->w_inl); - break; - default: - return -EINVAL; - } - - return 0; -} - -static int set_sig_data_segment(const struct ib_send_wr *send_wr, - struct ib_mr *sig_mr, - struct ib_sig_attrs *sig_attrs, - struct mlx5_ib_qp *qp, void **seg, int *size, - void **cur_edge) -{ - struct mlx5_bsf *bsf; - u32 data_len; - u32 data_key; - u64 data_va; - u32 prot_len = 0; - u32 prot_key = 0; - u64 prot_va = 0; - bool prot = false; - int ret; - int wqe_size; - struct mlx5_ib_mr *mr = to_mmr(sig_mr); - struct mlx5_ib_mr *pi_mr = mr->pi_mr; - - data_len = pi_mr->data_length; - data_key = pi_mr->ibmr.lkey; - data_va = pi_mr->data_iova; - if (pi_mr->meta_ndescs) { - prot_len = pi_mr->meta_length; - prot_key = pi_mr->ibmr.lkey; - prot_va = pi_mr->pi_iova; - prot = true; - } - - if (!prot || (data_key == prot_key && data_va == prot_va && - data_len == prot_len)) { - /** - * Source domain doesn't contain signature information - * or data and protection are interleaved in memory. - * So need construct: - * ------------------ - * | data_klm | - * ------------------ - * | BSF | - * ------------------ - **/ - struct mlx5_klm *data_klm = *seg; - - data_klm->bcount = cpu_to_be32(data_len); - data_klm->key = cpu_to_be32(data_key); - data_klm->va = cpu_to_be64(data_va); - wqe_size = ALIGN(sizeof(*data_klm), 64); - } else { - /** - * Source domain contains signature information - * So need construct a strided block format: - * --------------------------- - * | stride_block_ctrl | - * --------------------------- - * | data_klm | - * --------------------------- - * | prot_klm | - * --------------------------- - * | BSF | - * --------------------------- - **/ - struct mlx5_stride_block_ctrl_seg *sblock_ctrl; - struct mlx5_stride_block_entry *data_sentry; - struct mlx5_stride_block_entry *prot_sentry; - u16 block_size = sig_attrs->mem.sig.dif.pi_interval; - int prot_size; - - sblock_ctrl = *seg; - data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); - prot_sentry = (void *)data_sentry + sizeof(*data_sentry); - - prot_size = prot_field_size(sig_attrs->mem.sig_type); - if (!prot_size) { - pr_err("Bad block size given: %u\n", block_size); - return -EINVAL; - } - sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + - prot_size); - sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); - sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); - sblock_ctrl->num_entries = cpu_to_be16(2); - - data_sentry->bcount = cpu_to_be16(block_size); - data_sentry->key = cpu_to_be32(data_key); - data_sentry->va = cpu_to_be64(data_va); - data_sentry->stride = cpu_to_be16(block_size); - - prot_sentry->bcount = cpu_to_be16(prot_size); - prot_sentry->key = cpu_to_be32(prot_key); - prot_sentry->va = cpu_to_be64(prot_va); - prot_sentry->stride = cpu_to_be16(prot_size); - - wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + - sizeof(*prot_sentry), 64); - } - - *seg += wqe_size; - *size += wqe_size / 16; - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); - - bsf = *seg; - ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); - if (ret) - return -EINVAL; - - *seg += sizeof(*bsf); - *size += sizeof(*bsf) / 16; - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); - - return 0; -} - -static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, - struct ib_mr *sig_mr, int access_flags, - u32 size, u32 length, u32 pdn) -{ - u32 sig_key = sig_mr->rkey; - u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; - - memset(seg, 0, sizeof(*seg)); - - seg->flags = get_umr_flags(access_flags) | MLX5_MKC_ACCESS_MODE_KLMS; - seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); - seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | - MLX5_MKEY_BSF_EN | pdn); - seg->len = cpu_to_be64(length); - seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); - seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); -} - -static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, - u32 size) -{ - memset(umr, 0, sizeof(*umr)); - - umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; - umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); - umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); - umr->mkey_mask = sig_mkey_mask(); -} - -static int set_pi_umr_wr(const struct ib_send_wr *send_wr, - struct mlx5_ib_qp *qp, void **seg, int *size, - void **cur_edge) -{ - const struct ib_reg_wr *wr = reg_wr(send_wr); - struct mlx5_ib_mr *sig_mr = to_mmr(wr->mr); - struct mlx5_ib_mr *pi_mr = sig_mr->pi_mr; - struct ib_sig_attrs *sig_attrs = sig_mr->ibmr.sig_attrs; - u32 pdn = get_pd(qp)->pdn; - u32 xlt_size; - int region_len, ret; - - if (unlikely(send_wr->num_sge != 0) || - unlikely(wr->access & IB_ACCESS_REMOTE_ATOMIC) || - unlikely(!sig_mr->sig) || unlikely(!qp->ibqp.integrity_en) || - unlikely(!sig_mr->sig->sig_status_checked)) - return -EINVAL; - - /* length of the protected region, data + protection */ - region_len = pi_mr->ibmr.length; - - /** - * KLM octoword size - if protection was provided - * then we use strided block format (3 octowords), - * else we use single KLM (1 octoword) - **/ - if (sig_attrs->mem.sig_type != IB_SIG_TYPE_NONE) - xlt_size = 0x30; - else - xlt_size = sizeof(struct mlx5_klm); - - set_sig_umr_segment(*seg, xlt_size); - *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); - *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); - - set_sig_mkey_segment(*seg, wr->mr, wr->access, xlt_size, region_len, - pdn); - *seg += sizeof(struct mlx5_mkey_seg); - *size += sizeof(struct mlx5_mkey_seg) / 16; - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); - - ret = set_sig_data_segment(send_wr, wr->mr, sig_attrs, qp, seg, size, - cur_edge); - if (ret) - return ret; - - sig_mr->sig->sig_status_checked = false; - return 0; -} - -static int set_psv_wr(struct ib_sig_domain *domain, - u32 psv_idx, void **seg, int *size) -{ - struct mlx5_seg_set_psv *psv_seg = *seg; - - memset(psv_seg, 0, sizeof(*psv_seg)); - psv_seg->psv_num = cpu_to_be32(psv_idx); - switch (domain->sig_type) { - case IB_SIG_TYPE_NONE: - break; - case IB_SIG_TYPE_T10_DIF: - psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | - domain->sig.dif.app_tag); - psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); - break; - default: - pr_err("Bad signature type (%d) is given.\n", - domain->sig_type); - return -EINVAL; - } - - *seg += sizeof(*psv_seg); - *size += sizeof(*psv_seg) / 16; - - return 0; -} - -static int set_reg_wr(struct mlx5_ib_qp *qp, - const struct ib_reg_wr *wr, - void **seg, int *size, void **cur_edge, - bool check_not_free) -{ - struct mlx5_ib_mr *mr = to_mmr(wr->mr); - struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); - struct mlx5_ib_dev *dev = to_mdev(pd->ibpd.device); - int mr_list_size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; - bool umr_inline = mr_list_size <= MLX5_IB_SQ_UMR_INLINE_THRESHOLD; - bool atomic = wr->access & IB_ACCESS_REMOTE_ATOMIC; - u8 flags = 0; - - if (!mlx5_ib_can_use_umr(dev, atomic, wr->access)) { - mlx5_ib_warn(to_mdev(qp->ibqp.device), - "Fast update of %s for MR is disabled\n", - (MLX5_CAP_GEN(dev->mdev, - umr_modify_entity_size_disabled)) ? - "entity size" : - "atomic access"); - return -EINVAL; - } - - if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { - mlx5_ib_warn(to_mdev(qp->ibqp.device), - "Invalid IB_SEND_INLINE send flag\n"); - return -EINVAL; - } - - if (check_not_free) - flags |= MLX5_UMR_CHECK_NOT_FREE; - if (umr_inline) - flags |= MLX5_UMR_INLINE; - - set_reg_umr_seg(*seg, mr, flags, atomic); - *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); - *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); - - set_reg_mkey_seg(*seg, mr, wr->key, wr->access); - *seg += sizeof(struct mlx5_mkey_seg); - *size += sizeof(struct mlx5_mkey_seg) / 16; - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); - - if (umr_inline) { - memcpy_send_wqe(&qp->sq, cur_edge, seg, size, mr->descs, - mr_list_size); - *size = ALIGN(*size, MLX5_SEND_WQE_BB >> 4); - } else { - set_reg_data_seg(*seg, mr, pd); - *seg += sizeof(struct mlx5_wqe_data_seg); - *size += (sizeof(struct mlx5_wqe_data_seg) / 16); - } - return 0; -} - -static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size, - void **cur_edge) -{ - set_linv_umr_seg(*seg); - *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); - *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); - set_linv_mkey_seg(*seg); - *seg += sizeof(struct mlx5_mkey_seg); - *size += sizeof(struct mlx5_mkey_seg) / 16; - handle_post_send_edge(&qp->sq, seg, *size, cur_edge); -} - -static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16) -{ - __be32 *p = NULL; - int i, j; - - pr_debug("dump WQE index %u:\n", idx); - for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { - if ((i & 0xf) == 0) { - p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, idx); - pr_debug("WQBB at %p:\n", (void *)p); - j = 0; - idx = (idx + 1) & (qp->sq.wqe_cnt - 1); - } - pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), - be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), - be32_to_cpu(p[j + 3])); - } -} - -static int __begin_wqe(struct mlx5_ib_qp *qp, void **seg, - struct mlx5_wqe_ctrl_seg **ctrl, - const struct ib_send_wr *wr, unsigned int *idx, - int *size, void **cur_edge, int nreq, - bool send_signaled, bool solicited) -{ - if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) - return -ENOMEM; - - *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); - *seg = mlx5_frag_buf_get_wqe(&qp->sq.fbc, *idx); - *ctrl = *seg; - *(uint32_t *)(*seg + 8) = 0; - (*ctrl)->imm = send_ieth(wr); - (*ctrl)->fm_ce_se = qp->sq_signal_bits | - (send_signaled ? MLX5_WQE_CTRL_CQ_UPDATE : 0) | - (solicited ? MLX5_WQE_CTRL_SOLICITED : 0); - - *seg += sizeof(**ctrl); - *size = sizeof(**ctrl) / 16; - *cur_edge = qp->sq.cur_edge; - - return 0; -} - -static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, - struct mlx5_wqe_ctrl_seg **ctrl, - const struct ib_send_wr *wr, unsigned *idx, - int *size, void **cur_edge, int nreq) -{ - return __begin_wqe(qp, seg, ctrl, wr, idx, size, cur_edge, nreq, - wr->send_flags & IB_SEND_SIGNALED, - wr->send_flags & IB_SEND_SOLICITED); -} - -static void finish_wqe(struct mlx5_ib_qp *qp, - struct mlx5_wqe_ctrl_seg *ctrl, - void *seg, u8 size, void *cur_edge, - unsigned int idx, u64 wr_id, int nreq, u8 fence, - u32 mlx5_opcode) -{ - u8 opmod = 0; - - ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | - mlx5_opcode | ((u32)opmod << 24)); - ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); - ctrl->fm_ce_se |= fence; - if (unlikely(qp->wq_sig)) - ctrl->signature = wq_sig(ctrl); - - qp->sq.wrid[idx] = wr_id; - qp->sq.w_list[idx].opcode = mlx5_opcode; - qp->sq.wqe_head[idx] = qp->sq.head + nreq; - qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); - qp->sq.w_list[idx].next = qp->sq.cur_post; - - /* We save the edge which was possibly updated during the WQE - * construction, into SQ's cache. - */ - seg = PTR_ALIGN(seg, MLX5_SEND_WQE_BB); - qp->sq.cur_edge = (unlikely(seg == cur_edge)) ? - get_sq_edge(&qp->sq, qp->sq.cur_post & - (qp->sq.wqe_cnt - 1)) : - cur_edge; -} - -static int _mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, - const struct ib_send_wr **bad_wr, bool drain) -{ - struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ - struct mlx5_ib_dev *dev = to_mdev(ibqp->device); - struct mlx5_core_dev *mdev = dev->mdev; - struct ib_reg_wr reg_pi_wr; - struct mlx5_ib_qp *qp; - struct mlx5_ib_mr *mr; - struct mlx5_ib_mr *pi_mr; - struct mlx5_ib_mr pa_pi_mr; - struct ib_sig_attrs *sig_attrs; - struct mlx5_wqe_xrc_seg *xrc; - struct mlx5_bf *bf; - void *cur_edge; - int uninitialized_var(size); - unsigned long flags; - unsigned idx; - int err = 0; - int num_sge; - void *seg; - int nreq; - int i; - u8 next_fence = 0; - u8 fence; - - if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && - !drain)) { - *bad_wr = wr; - return -EIO; - } - - if (unlikely(ibqp->qp_type == IB_QPT_GSI)) - return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); - - qp = to_mqp(ibqp); - bf = &qp->bf; - - spin_lock_irqsave(&qp->sq.lock, flags); - - for (nreq = 0; wr; nreq++, wr = wr->next) { - if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { - mlx5_ib_warn(dev, "\n"); - err = -EINVAL; - *bad_wr = wr; - goto out; - } + new_state, &ucmd, &resp, udata); - num_sge = wr->num_sge; - if (unlikely(num_sge > qp->sq.max_gs)) { - mlx5_ib_warn(dev, "\n"); - err = -EINVAL; - *bad_wr = wr; - goto out; - } - - err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, &cur_edge, - nreq); - if (err) { - mlx5_ib_warn(dev, "\n"); - err = -ENOMEM; - *bad_wr = wr; - goto out; - } - - if (wr->opcode == IB_WR_REG_MR || - wr->opcode == IB_WR_REG_MR_INTEGRITY) { - fence = dev->umr_fence; - next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; - } else { - if (wr->send_flags & IB_SEND_FENCE) { - if (qp->next_fence) - fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; - else - fence = MLX5_FENCE_MODE_FENCE; - } else { - fence = qp->next_fence; - } - } - - switch (ibqp->qp_type) { - case IB_QPT_XRC_INI: - xrc = seg; - seg += sizeof(*xrc); - size += sizeof(*xrc) / 16; - /* fall through */ - case IB_QPT_RC: - switch (wr->opcode) { - case IB_WR_RDMA_READ: - case IB_WR_RDMA_WRITE: - case IB_WR_RDMA_WRITE_WITH_IMM: - set_raddr_seg(seg, rdma_wr(wr)->remote_addr, - rdma_wr(wr)->rkey); - seg += sizeof(struct mlx5_wqe_raddr_seg); - size += sizeof(struct mlx5_wqe_raddr_seg) / 16; - break; - - case IB_WR_ATOMIC_CMP_AND_SWP: - case IB_WR_ATOMIC_FETCH_AND_ADD: - case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: - mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); - err = -ENOSYS; - *bad_wr = wr; - goto out; - - case IB_WR_LOCAL_INV: - qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; - ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); - set_linv_wr(qp, &seg, &size, &cur_edge); - num_sge = 0; - break; - - case IB_WR_REG_MR: - qp->sq.wr_data[idx] = IB_WR_REG_MR; - ctrl->imm = cpu_to_be32(reg_wr(wr)->key); - err = set_reg_wr(qp, reg_wr(wr), &seg, &size, - &cur_edge, true); - if (err) { - *bad_wr = wr; - goto out; - } - num_sge = 0; - break; - - case IB_WR_REG_MR_INTEGRITY: - qp->sq.wr_data[idx] = IB_WR_REG_MR_INTEGRITY; - - mr = to_mmr(reg_wr(wr)->mr); - pi_mr = mr->pi_mr; - - if (pi_mr) { - memset(®_pi_wr, 0, - sizeof(struct ib_reg_wr)); - - reg_pi_wr.mr = &pi_mr->ibmr; - reg_pi_wr.access = reg_wr(wr)->access; - reg_pi_wr.key = pi_mr->ibmr.rkey; - - ctrl->imm = cpu_to_be32(reg_pi_wr.key); - /* UMR for data + prot registration */ - err = set_reg_wr(qp, ®_pi_wr, &seg, - &size, &cur_edge, - false); - if (err) { - *bad_wr = wr; - goto out; - } - finish_wqe(qp, ctrl, seg, size, - cur_edge, idx, wr->wr_id, - nreq, fence, - MLX5_OPCODE_UMR); - - err = begin_wqe(qp, &seg, &ctrl, wr, - &idx, &size, &cur_edge, - nreq); - if (err) { - mlx5_ib_warn(dev, "\n"); - err = -ENOMEM; - *bad_wr = wr; - goto out; - } - } else { - memset(&pa_pi_mr, 0, - sizeof(struct mlx5_ib_mr)); - /* No UMR, use local_dma_lkey */ - pa_pi_mr.ibmr.lkey = - mr->ibmr.pd->local_dma_lkey; - - pa_pi_mr.ndescs = mr->ndescs; - pa_pi_mr.data_length = mr->data_length; - pa_pi_mr.data_iova = mr->data_iova; - if (mr->meta_ndescs) { - pa_pi_mr.meta_ndescs = - mr->meta_ndescs; - pa_pi_mr.meta_length = - mr->meta_length; - pa_pi_mr.pi_iova = mr->pi_iova; - } - - pa_pi_mr.ibmr.length = mr->ibmr.length; - mr->pi_mr = &pa_pi_mr; - } - ctrl->imm = cpu_to_be32(mr->ibmr.rkey); - /* UMR for sig MR */ - err = set_pi_umr_wr(wr, qp, &seg, &size, - &cur_edge); - if (err) { - mlx5_ib_warn(dev, "\n"); - *bad_wr = wr; - goto out; - } - finish_wqe(qp, ctrl, seg, size, cur_edge, idx, - wr->wr_id, nreq, fence, - MLX5_OPCODE_UMR); - - /* - * SET_PSV WQEs are not signaled and solicited - * on error - */ - sig_attrs = mr->ibmr.sig_attrs; - err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, - &size, &cur_edge, nreq, false, - true); - if (err) { - mlx5_ib_warn(dev, "\n"); - err = -ENOMEM; - *bad_wr = wr; - goto out; - } - err = set_psv_wr(&sig_attrs->mem, - mr->sig->psv_memory.psv_idx, - &seg, &size); - if (err) { - mlx5_ib_warn(dev, "\n"); - *bad_wr = wr; - goto out; - } - finish_wqe(qp, ctrl, seg, size, cur_edge, idx, - wr->wr_id, nreq, next_fence, - MLX5_OPCODE_SET_PSV); - - err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, - &size, &cur_edge, nreq, false, - true); - if (err) { - mlx5_ib_warn(dev, "\n"); - err = -ENOMEM; - *bad_wr = wr; - goto out; - } - err = set_psv_wr(&sig_attrs->wire, - mr->sig->psv_wire.psv_idx, - &seg, &size); - if (err) { - mlx5_ib_warn(dev, "\n"); - *bad_wr = wr; - goto out; - } - finish_wqe(qp, ctrl, seg, size, cur_edge, idx, - wr->wr_id, nreq, next_fence, - MLX5_OPCODE_SET_PSV); - - qp->next_fence = - MLX5_FENCE_MODE_INITIATOR_SMALL; - num_sge = 0; - goto skip_psv; - - default: - break; - } - break; - - case IB_QPT_UC: - switch (wr->opcode) { - case IB_WR_RDMA_WRITE: - case IB_WR_RDMA_WRITE_WITH_IMM: - set_raddr_seg(seg, rdma_wr(wr)->remote_addr, - rdma_wr(wr)->rkey); - seg += sizeof(struct mlx5_wqe_raddr_seg); - size += sizeof(struct mlx5_wqe_raddr_seg) / 16; - break; - - default: - break; - } - break; - - case IB_QPT_SMI: - if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { - mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); - err = -EPERM; - *bad_wr = wr; - goto out; - } - /* fall through */ - case MLX5_IB_QPT_HW_GSI: - set_datagram_seg(seg, wr); - seg += sizeof(struct mlx5_wqe_datagram_seg); - size += sizeof(struct mlx5_wqe_datagram_seg) / 16; - handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); - - break; - case IB_QPT_UD: - set_datagram_seg(seg, wr); - seg += sizeof(struct mlx5_wqe_datagram_seg); - size += sizeof(struct mlx5_wqe_datagram_seg) / 16; - handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); - - /* handle qp that supports ud offload */ - if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { - struct mlx5_wqe_eth_pad *pad; - - pad = seg; - memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); - seg += sizeof(struct mlx5_wqe_eth_pad); - size += sizeof(struct mlx5_wqe_eth_pad) / 16; - set_eth_seg(wr, qp, &seg, &size, &cur_edge); - handle_post_send_edge(&qp->sq, &seg, size, - &cur_edge); - } - break; - case MLX5_IB_QPT_REG_UMR: - if (wr->opcode != MLX5_IB_WR_UMR) { - err = -EINVAL; - mlx5_ib_warn(dev, "bad opcode\n"); - goto out; - } - qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; - ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); - err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); - if (unlikely(err)) - goto out; - seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); - size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; - handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); - set_reg_mkey_segment(seg, wr); - seg += sizeof(struct mlx5_mkey_seg); - size += sizeof(struct mlx5_mkey_seg) / 16; - handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); - break; - - default: - break; - } - - if (wr->send_flags & IB_SEND_INLINE && num_sge) { - err = set_data_inl_seg(qp, wr, &seg, &size, &cur_edge); - if (unlikely(err)) { - mlx5_ib_warn(dev, "\n"); - *bad_wr = wr; - goto out; - } - } else { - for (i = 0; i < num_sge; i++) { - handle_post_send_edge(&qp->sq, &seg, size, - &cur_edge); - if (likely(wr->sg_list[i].length)) { - set_data_ptr_seg - ((struct mlx5_wqe_data_seg *)seg, - wr->sg_list + i); - size += sizeof(struct mlx5_wqe_data_seg) / 16; - seg += sizeof(struct mlx5_wqe_data_seg); - } - } - } - - qp->next_fence = next_fence; - finish_wqe(qp, ctrl, seg, size, cur_edge, idx, wr->wr_id, nreq, - fence, mlx5_ib_opcode[wr->opcode]); -skip_psv: - if (0) - dump_wqe(qp, idx, size); - } - -out: - if (likely(nreq)) { - qp->sq.head += nreq; - - /* Make sure that descriptors are written before - * updating doorbell record and ringing the doorbell - */ - wmb(); - - qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); - - /* Make sure doorbell record is visible to the HCA before - * we hit doorbell */ - wmb(); - - mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset); - /* Make sure doorbells don't leak out of SQ spinlock - * and reach the HCA out of order. - */ - bf->offset ^= bf->buf_size; - } - - spin_unlock_irqrestore(&qp->sq.lock, flags); - - return err; -} - -int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, - const struct ib_send_wr **bad_wr) -{ - return _mlx5_ib_post_send(ibqp, wr, bad_wr, false); -} - -static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) -{ - sig->signature = calc_sig(sig, size); -} - -static int _mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, - const struct ib_recv_wr **bad_wr, bool drain) -{ - struct mlx5_ib_qp *qp = to_mqp(ibqp); - struct mlx5_wqe_data_seg *scat; - struct mlx5_rwqe_sig *sig; - struct mlx5_ib_dev *dev = to_mdev(ibqp->device); - struct mlx5_core_dev *mdev = dev->mdev; - unsigned long flags; - int err = 0; - int nreq; - int ind; - int i; - - if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && - !drain)) { - *bad_wr = wr; - return -EIO; - } - - if (unlikely(ibqp->qp_type == IB_QPT_GSI)) - return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); - - spin_lock_irqsave(&qp->rq.lock, flags); - - ind = qp->rq.head & (qp->rq.wqe_cnt - 1); - - for (nreq = 0; wr; nreq++, wr = wr->next) { - if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { - err = -ENOMEM; - *bad_wr = wr; - goto out; - } - - if (unlikely(wr->num_sge > qp->rq.max_gs)) { - err = -EINVAL; - *bad_wr = wr; - goto out; - } - - scat = mlx5_frag_buf_get_wqe(&qp->rq.fbc, ind); - if (qp->wq_sig) - scat++; - - for (i = 0; i < wr->num_sge; i++) - set_data_ptr_seg(scat + i, wr->sg_list + i); - - if (i < qp->rq.max_gs) { - scat[i].byte_count = 0; - scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); - scat[i].addr = 0; - } - - if (qp->wq_sig) { - sig = (struct mlx5_rwqe_sig *)scat; - set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); - } - - qp->rq.wrid[ind] = wr->wr_id; - - ind = (ind + 1) & (qp->rq.wqe_cnt - 1); - } + /* resp.response_length is set in ECE supported flows only */ + if (!err && resp.response_length && + udata->outlen >= resp.response_length) + /* Return -EFAULT to the user and expect him to destroy QP. */ + err = ib_copy_to_udata(udata, &resp, resp.response_length); out: - if (likely(nreq)) { - qp->rq.head += nreq; - - /* Make sure that descriptors are written before - * doorbell record. - */ - wmb(); - - *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); - } - - spin_unlock_irqrestore(&qp->rq.lock, flags); - + mutex_unlock(&qp->mutex); return err; } -int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, - const struct ib_recv_wr **bad_wr) -{ - return _mlx5_ib_post_recv(ibqp, wr, bad_wr, false); -} - static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) { switch (mlx5_state) { @@ -5511,48 +4649,34 @@ static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) } } -static int to_ib_qp_access_flags(int mlx5_flags) -{ - int ib_flags = 0; - - if (mlx5_flags & MLX5_QP_BIT_RRE) - ib_flags |= IB_ACCESS_REMOTE_READ; - if (mlx5_flags & MLX5_QP_BIT_RWE) - ib_flags |= IB_ACCESS_REMOTE_WRITE; - if (mlx5_flags & MLX5_QP_BIT_RAE) - ib_flags |= IB_ACCESS_REMOTE_ATOMIC; - - return ib_flags; -} - static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, - struct rdma_ah_attr *ah_attr, - struct mlx5_qp_path *path) + struct rdma_ah_attr *ah_attr, void *path) { + int port = MLX5_GET(ads, path, vhca_port_num); + int static_rate; memset(ah_attr, 0, sizeof(*ah_attr)); - if (!path->port || path->port > ibdev->num_ports) + if (!port || port > ibdev->num_ports) return; - ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); + ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, port); - rdma_ah_set_port_num(ah_attr, path->port); - rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); + rdma_ah_set_port_num(ah_attr, port); + rdma_ah_set_sl(ah_attr, MLX5_GET(ads, path, sl)); - rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); - rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); - rdma_ah_set_static_rate(ah_attr, - path->static_rate ? path->static_rate - 5 : 0); - if (path->grh_mlid & (1 << 7)) { - u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); + rdma_ah_set_dlid(ah_attr, MLX5_GET(ads, path, rlid)); + rdma_ah_set_path_bits(ah_attr, MLX5_GET(ads, path, mlid)); - rdma_ah_set_grh(ah_attr, NULL, - tc_fl & 0xfffff, - path->mgid_index, - path->hop_limit, - (tc_fl >> 20) & 0xff); - rdma_ah_set_dgid_raw(ah_attr, path->rgid); + static_rate = MLX5_GET(ads, path, stat_rate); + rdma_ah_set_static_rate(ah_attr, mlx5_to_ib_rate_map(static_rate)); + if (MLX5_GET(ads, path, grh) || + ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { + rdma_ah_set_grh(ah_attr, NULL, MLX5_GET(ads, path, flow_label), + MLX5_GET(ads, path, src_addr_index), + MLX5_GET(ads, path, hop_limit), + MLX5_GET(ads, path, tclass)); + rdma_ah_set_dgid_raw(ah_attr, MLX5_ADDR_OF(ads, path, rgid_rip)); } } @@ -5609,7 +4733,7 @@ static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, [MLX5_SQ_STATE_NA] = IB_QPS_RESET, }, [MLX5_RQC_STATE_RDY] = { - [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, + [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, @@ -5621,7 +4745,7 @@ static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, [MLX5_SQ_STATE_NA] = IB_QPS_ERR, }, [MLX5_RQ_STATE_NA] = { - [MLX5_SQC_STATE_RST] = IB_QPS_RESET, + [MLX5_SQC_STATE_RST] = MLX5_QP_STATE, [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, @@ -5674,61 +4798,59 @@ static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, struct ib_qp_attr *qp_attr) { int outlen = MLX5_ST_SZ_BYTES(query_qp_out); - struct mlx5_qp_context *context; - int mlx5_state; + void *qpc, *pri_path, *alt_path; u32 *outb; - int err = 0; + int err; outb = kzalloc(outlen, GFP_KERNEL); if (!outb) return -ENOMEM; - err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, - outlen); + err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen); if (err) goto out; - /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ - context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); + qpc = MLX5_ADDR_OF(query_qp_out, outb, qpc); - mlx5_state = be32_to_cpu(context->flags) >> 28; + qp->state = to_ib_qp_state(MLX5_GET(qpc, qpc, state)); + if (MLX5_GET(qpc, qpc, state) == MLX5_QP_STATE_SQ_DRAINING) + qp_attr->sq_draining = 1; - qp->state = to_ib_qp_state(mlx5_state); - qp_attr->path_mtu = context->mtu_msgmax >> 5; - qp_attr->path_mig_state = - to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); - qp_attr->qkey = be32_to_cpu(context->qkey); - qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; - qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; - qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; - qp_attr->qp_access_flags = - to_ib_qp_access_flags(be32_to_cpu(context->params2)); + qp_attr->path_mtu = MLX5_GET(qpc, qpc, mtu); + qp_attr->path_mig_state = to_ib_mig_state(MLX5_GET(qpc, qpc, pm_state)); + qp_attr->qkey = MLX5_GET(qpc, qpc, q_key); + qp_attr->rq_psn = MLX5_GET(qpc, qpc, next_rcv_psn); + qp_attr->sq_psn = MLX5_GET(qpc, qpc, next_send_psn); + qp_attr->dest_qp_num = MLX5_GET(qpc, qpc, remote_qpn); - if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { - to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); - to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); - qp_attr->alt_pkey_index = - be16_to_cpu(context->alt_path.pkey_index); - qp_attr->alt_port_num = - rdma_ah_get_port_num(&qp_attr->alt_ah_attr); - } + if (MLX5_GET(qpc, qpc, rre)) + qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ; + if (MLX5_GET(qpc, qpc, rwe)) + qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_WRITE; + if (MLX5_GET(qpc, qpc, rae)) + qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_ATOMIC; - qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); - qp_attr->port_num = context->pri_path.port; + qp_attr->max_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_sra_max); + qp_attr->max_dest_rd_atomic = 1 << MLX5_GET(qpc, qpc, log_rra_max); + qp_attr->min_rnr_timer = MLX5_GET(qpc, qpc, min_rnr_nak); + qp_attr->retry_cnt = MLX5_GET(qpc, qpc, retry_count); + qp_attr->rnr_retry = MLX5_GET(qpc, qpc, rnr_retry); - /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ - qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; + pri_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); + alt_path = MLX5_ADDR_OF(qpc, qpc, secondary_address_path); - qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); + if (qp->type == IB_QPT_RC || qp->type == IB_QPT_UC || + qp->type == IB_QPT_XRC_INI || qp->type == IB_QPT_XRC_TGT) { + to_rdma_ah_attr(dev, &qp_attr->ah_attr, pri_path); + to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, alt_path); + qp_attr->alt_pkey_index = MLX5_GET(ads, alt_path, pkey_index); + qp_attr->alt_port_num = MLX5_GET(ads, alt_path, vhca_port_num); + } - qp_attr->max_dest_rd_atomic = - 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); - qp_attr->min_rnr_timer = - (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; - qp_attr->timeout = context->pri_path.ackto_lt >> 3; - qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; - qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; - qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; + qp_attr->pkey_index = MLX5_GET(ads, pri_path, pkey_index); + qp_attr->port_num = MLX5_GET(ads, pri_path, vhca_port_num); + qp_attr->timeout = MLX5_GET(ads, pri_path, ack_timeout); + qp_attr->alt_timeout = MLX5_GET(ads, alt_path, ack_timeout); out: kfree(outb); @@ -5762,7 +4884,7 @@ static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, if (!out) return -ENOMEM; - err = mlx5_core_dct_query(dev->mdev, dct, out, outlen); + err = mlx5_core_dct_query(dev, dct, out, outlen); if (err) goto out; @@ -5811,7 +4933,7 @@ int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, if (ibqp->rwq_ind_tbl) return -ENOSYS; - if (unlikely(ibqp->qp_type == IB_QPT_GSI)) + if (qp->type == IB_QPT_GSI) return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, qp_init_attr); @@ -5819,14 +4941,14 @@ int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, memset(qp_init_attr, 0, sizeof(*qp_init_attr)); memset(qp_attr, 0, sizeof(*qp_attr)); - if (unlikely(qp->qp_sub_type == MLX5_IB_QPT_DCT)) + if (unlikely(qp->type == MLX5_IB_QPT_DCT)) return mlx5_ib_dct_query_qp(dev, qp, qp_attr, qp_attr_mask, qp_init_attr); mutex_lock(&qp->mutex); - if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || - qp->flags & MLX5_IB_QP_UNDERLAY) { + if (qp->type == IB_QPT_RAW_PACKET || + qp->flags & IB_QP_CREATE_SOURCE_QPN) { err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); if (err) goto out; @@ -5852,7 +4974,7 @@ int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, qp_attr->cap.max_send_sge = 0; } - qp_init_attr->qp_type = ibqp->qp_type; + qp_init_attr->qp_type = qp->type; qp_init_attr->recv_cq = ibqp->recv_cq; qp_init_attr->send_cq = ibqp->send_cq; qp_init_attr->srq = ibqp->srq; @@ -5860,18 +4982,7 @@ int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, qp_init_attr->cap = qp_attr->cap; - qp_init_attr->create_flags = 0; - if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) - qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; - - if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) - qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; - if (qp->flags & MLX5_IB_QP_MANAGED_SEND) - qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; - if (qp->flags & MLX5_IB_QP_MANAGED_RECV) - qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; - if (qp->flags & MLX5_IB_QP_SQPN_QP1) - qp_init_attr->create_flags |= MLX5_IB_QP_CREATE_SQPN_QP1; + qp_init_attr->create_flags = qp->flags; qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; @@ -5881,41 +4992,23 @@ out: return err; } -struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, - struct ib_udata *udata) +int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata) { - struct mlx5_ib_dev *dev = to_mdev(ibdev); - struct mlx5_ib_xrcd *xrcd; - int err; + struct mlx5_ib_dev *dev = to_mdev(ibxrcd->device); + struct mlx5_ib_xrcd *xrcd = to_mxrcd(ibxrcd); if (!MLX5_CAP_GEN(dev->mdev, xrc)) - return ERR_PTR(-ENOSYS); - - xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); - if (!xrcd) - return ERR_PTR(-ENOMEM); - - err = mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); - if (err) { - kfree(xrcd); - return ERR_PTR(-ENOMEM); - } + return -EOPNOTSUPP; - return &xrcd->ibxrcd; + return mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); } int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(xrcd->device); u32 xrcdn = to_mxrcd(xrcd)->xrcdn; - int err; - err = mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); - if (err) - mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); - - kfree(xrcd); - return 0; + return mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); } static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) @@ -5948,7 +5041,7 @@ static int set_delay_drop(struct mlx5_ib_dev *dev) if (dev->delay_drop.activate) goto out; - err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); + err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout); if (err) goto out; @@ -5967,6 +5060,7 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, struct mlx5_ib_dev *dev; int has_net_offloads; __be64 *rq_pas0; + int ts_format; void *in; void *rqc; void *wq; @@ -5975,6 +5069,10 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, dev = to_mdev(pd->device); + ts_format = get_rq_ts_format(dev, to_mcq(init_attr->cq)); + if (ts_format < 0) + return ts_format; + inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; in = kvzalloc(inlen, GFP_KERNEL); if (!in) @@ -5984,6 +5082,7 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); + MLX5_SET(rqc, rqc, ts_format, ts_format); MLX5_SET(rqc, rqc, user_index, rwq->user_index); MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); @@ -6053,14 +5152,14 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, MLX5_SET(rqc, rqc, delay_drop_en, 1); } rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); - mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); - err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); + mlx5_ib_populate_pas(rwq->umem, 1UL << rwq->page_shift, rq_pas0, 0); + err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp); if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { err = set_delay_drop(dev); if (err) { mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", err); - mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); + mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); } else { rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; } @@ -6115,8 +5214,8 @@ static int prepare_user_rq(struct ib_pd *pd, int err; size_t required_cmd_sz; - required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) - + sizeof(ucmd.single_stride_log_num_of_bytes); + required_cmd_sz = offsetofend(struct mlx5_ib_create_wq, + single_stride_log_num_of_bytes); if (udata->inlen < required_cmd_sz) { mlx5_ib_dbg(dev, "invalid inlen\n"); return -EINVAL; @@ -6200,10 +5299,14 @@ struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, if (!udata) return ERR_PTR(-ENOSYS); - min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); + min_resp_len = offsetofend(struct mlx5_ib_create_wq_resp, reserved); if (udata->outlen && udata->outlen < min_resp_len) return ERR_PTR(-EINVAL); + if (!capable(CAP_SYS_RAWIO) && + init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) + return ERR_PTR(-EPERM); + dev = to_mdev(pd->device); switch (init_attr->wq_type) { case IB_WQT_RQ: @@ -6226,8 +5329,8 @@ struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, rwq->ibwq.wq_num = rwq->core_qp.qpn; rwq->ibwq.state = IB_WQS_RESET; if (udata->outlen) { - resp.response_length = offsetof(typeof(resp), response_length) + - sizeof(resp.response_length); + resp.response_length = offsetofend( + struct mlx5_ib_create_wq_resp, response_length); err = ib_copy_to_udata(udata, &resp, resp.response_length); if (err) goto err_copy; @@ -6238,7 +5341,7 @@ struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, return &rwq->ibwq; err_copy: - mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); + mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); err_user_rq: destroy_user_rq(dev, pd, rwq, udata); err: @@ -6246,22 +5349,27 @@ err: return ERR_PTR(err); } -void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) +int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(wq->device); struct mlx5_ib_rwq *rwq = to_mrwq(wq); + int ret; - mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); + ret = mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp); + if (ret) + return ret; destroy_user_rq(dev, wq->pd, rwq, udata); kfree(rwq); + return 0; } -struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, - struct ib_rwq_ind_table_init_attr *init_attr, - struct ib_udata *udata) +int mlx5_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_table, + struct ib_rwq_ind_table_init_attr *init_attr, + struct ib_udata *udata) { - struct mlx5_ib_dev *dev = to_mdev(device); - struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; + struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = + to_mrwq_ind_table(ib_rwq_ind_table); + struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_table->device); int sz = 1 << init_attr->log_ind_tbl_size; struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; size_t min_resp_len; @@ -6274,30 +5382,25 @@ struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, if (udata->inlen > 0 && !ib_is_udata_cleared(udata, 0, udata->inlen)) - return ERR_PTR(-EOPNOTSUPP); + return -EOPNOTSUPP; if (init_attr->log_ind_tbl_size > MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", init_attr->log_ind_tbl_size, MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); - return ERR_PTR(-EINVAL); + return -EINVAL; } - min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); + min_resp_len = + offsetofend(struct mlx5_ib_create_rwq_ind_tbl_resp, reserved); if (udata->outlen && udata->outlen < min_resp_len) - return ERR_PTR(-EINVAL); - - rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); - if (!rwq_ind_tbl) - return ERR_PTR(-ENOMEM); + return -EINVAL; inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; in = kvzalloc(inlen, GFP_KERNEL); - if (!in) { - err = -ENOMEM; - goto err; - } + if (!in) + return -ENOMEM; rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); @@ -6312,26 +5415,24 @@ struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); kvfree(in); - if (err) - goto err; + return err; rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; if (udata->outlen) { - resp.response_length = offsetof(typeof(resp), response_length) + - sizeof(resp.response_length); + resp.response_length = + offsetofend(struct mlx5_ib_create_rwq_ind_tbl_resp, + response_length); err = ib_copy_to_udata(udata, &resp, resp.response_length); if (err) goto err_copy; } - return &rwq_ind_tbl->ib_rwq_ind_tbl; + return 0; err_copy: mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); -err: - kfree(rwq_ind_tbl); - return ERR_PTR(err); + return err; } int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) @@ -6339,10 +5440,7 @@ int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); - mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); - - kfree(rwq_ind_tbl); - return 0; + return mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); } int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, @@ -6359,7 +5457,7 @@ int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, void *rqc; void *in; - required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); + required_cmd_sz = offsetofend(struct mlx5_ib_modify_wq, reserved); if (udata->inlen < required_cmd_sz) return -EINVAL; @@ -6381,10 +5479,8 @@ int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); - curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? - wq_attr->curr_wq_state : wq->state; - wq_state = (wq_attr_mask & IB_WQ_STATE) ? - wq_attr->wq_state : curr_wq_state; + curr_wq_state = wq_attr->curr_wq_state; + wq_state = wq_attr->wq_state; if (curr_wq_state == IB_WQS_ERR) curr_wq_state = MLX5_RQC_STATE_ERR; if (wq_state == IB_WQS_ERR) @@ -6429,7 +5525,7 @@ int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, "Receive WQ counters are not supported on current FW\n"); } - err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); + err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in); if (!err) rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; @@ -6528,7 +5624,7 @@ void mlx5_ib_drain_sq(struct ib_qp *qp) sdrain.cqe.done = mlx5_ib_drain_qp_done; init_completion(&sdrain.done); - ret = _mlx5_ib_post_send(qp, &swr.wr, &bad_swr, true); + ret = mlx5_ib_post_send_drain(qp, &swr.wr, &bad_swr); if (ret) { WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); return; @@ -6558,7 +5654,7 @@ void mlx5_ib_drain_rq(struct ib_qp *qp) rdrain.cqe.done = mlx5_ib_drain_qp_done; init_completion(&rdrain.done); - ret = _mlx5_ib_post_recv(qp, &rwr, &bad_rwr, true); + ret = mlx5_ib_post_recv_drain(qp, &rwr, &bad_rwr); if (ret) { WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); return; @@ -6567,7 +5663,7 @@ void mlx5_ib_drain_rq(struct ib_qp *qp) handle_drain_completion(cq, &rdrain, dev); } -/** +/* * Bind a qp to a counter. If @counter is NULL then bind the qp to * the default counter */ |