From af1ba291c5e498973cc325c501dd8da80b234571 Mon Sep 17 00:00:00 2001 From: Artemy Kovalyov Date: Fri, 17 Jun 2016 15:33:32 +0300 Subject: [PATCH] {net, IB}/mlx5: Refactor internal SRQ API Currently, the SRQ API uses the obsolete mlx5_*_srq_mbox_{in,out} structs which limit the ability to pass the SRQ attributes between net and IB parts of the driver. This patch changes the SRQ API so as to use auto-generated structs and provides a better way to pass attributes which will be in use by coming features. Signed-off-by: Artemy Kovalyov Signed-off-by: Leon Romanovsky Signed-off-by: Doug Ledford --- drivers/infiniband/hw/mlx5/srq.c | 102 ++++------ drivers/net/ethernet/mellanox/mlx5/core/srq.c | 265 ++++++++++++++------------ include/linux/mlx5/driver.h | 6 +- include/linux/mlx5/srq.h | 25 +++ 4 files changed, 215 insertions(+), 183 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index 55efb34..ed6ac52 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -74,14 +74,12 @@ static void mlx5_ib_srq_event(struct mlx5_core_srq *srq, enum mlx5_event type) } static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq, - struct mlx5_create_srq_mbox_in **in, - struct ib_udata *udata, int buf_size, int *inlen, - int is_xrc) + struct mlx5_srq_attr *in, + struct ib_udata *udata, int buf_size) { struct mlx5_ib_dev *dev = to_mdev(pd->device); struct mlx5_ib_create_srq ucmd = {}; size_t ucmdlen; - void *xsrqc; int err; int npages; int page_shift; @@ -104,7 +102,7 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq, udata->inlen - sizeof(ucmd))) return -EINVAL; - if (is_xrc) { + if (in->type == IB_SRQT_XRC) { err = get_srq_user_index(to_mucontext(pd->uobject->context), &ucmd, udata->inlen, &uidx); if (err) @@ -130,14 +128,13 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq, goto err_umem; } - *inlen = sizeof(**in) + sizeof(*(*in)->pas) * ncont; - *in = mlx5_vzalloc(*inlen); - if (!(*in)) { + in->pas = mlx5_vzalloc(sizeof(*in->pas) * ncont); + if (!in->pas) { err = -ENOMEM; goto err_umem; } - mlx5_ib_populate_pas(dev, srq->umem, page_shift, (*in)->pas, 0); + mlx5_ib_populate_pas(dev, srq->umem, page_shift, in->pas, 0); err = mlx5_ib_db_map_user(to_mucontext(pd->uobject->context), ucmd.db_addr, &srq->db); @@ -146,20 +143,16 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq, goto err_in; } - (*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT; - (*in)->ctx.pgoff_cqn = cpu_to_be32(offset << 26); - - if ((MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1) && - is_xrc){ - xsrqc = MLX5_ADDR_OF(create_xrc_srq_in, *in, - xrc_srq_context_entry); - MLX5_SET(xrc_srqc, xsrqc, user_index, uidx); - } + in->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; + in->page_offset = offset; + if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1 && + in->type == IB_SRQT_XRC) + in->user_index = uidx; return 0; err_in: - kvfree(*in); + kvfree(in->pas); err_umem: ib_umem_release(srq->umem); @@ -168,15 +161,13 @@ err_umem: } static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq, - struct mlx5_create_srq_mbox_in **in, int buf_size, - int *inlen, int is_xrc) + struct mlx5_srq_attr *in, int buf_size) { int err; int i; struct mlx5_wqe_srq_next_seg *next; int page_shift; int npages; - void *xsrqc; err = mlx5_db_alloc(dev->mdev, &srq->db); if (err) { @@ -204,13 +195,12 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq, npages = DIV_ROUND_UP(srq->buf.npages, 1 << (page_shift - PAGE_SHIFT)); mlx5_ib_dbg(dev, "buf_size %d, page_shift %d, npages %d, calc npages %d\n", buf_size, page_shift, srq->buf.npages, npages); - *inlen = sizeof(**in) + sizeof(*(*in)->pas) * npages; - *in = mlx5_vzalloc(*inlen); - if (!*in) { + in->pas = mlx5_vzalloc(sizeof(*in->pas) * npages); + if (!in->pas) { err = -ENOMEM; goto err_buf; } - mlx5_fill_page_array(&srq->buf, (*in)->pas); + mlx5_fill_page_array(&srq->buf, in->pas); srq->wrid = kmalloc(srq->msrq.max * sizeof(u64), GFP_KERNEL); if (!srq->wrid) { @@ -221,20 +211,15 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq, } srq->wq_sig = !!srq_signature; - (*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT; - - if ((MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1) && - is_xrc){ - xsrqc = MLX5_ADDR_OF(create_xrc_srq_in, *in, - xrc_srq_context_entry); - /* 0xffffff means we ask to work with cqe version 0 */ - MLX5_SET(xrc_srqc, xsrqc, user_index, MLX5_IB_DEFAULT_UIDX); - } + in->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; + if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1 && + in->type == IB_SRQT_XRC) + in->user_index = MLX5_IB_DEFAULT_UIDX; return 0; err_in: - kvfree(*in); + kvfree(in->pas); err_buf: mlx5_buf_free(dev->mdev, &srq->buf); @@ -267,10 +252,7 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, int desc_size; int buf_size; int err; - struct mlx5_create_srq_mbox_in *uninitialized_var(in); - int uninitialized_var(inlen); - int is_xrc; - u32 flgs, xrcdn; + struct mlx5_srq_attr in = {0}; __u32 max_srq_wqes = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); /* Sanity check SRQ size before proceeding */ @@ -302,14 +284,10 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, desc_size, init_attr->attr.max_wr, srq->msrq.max, srq->msrq.max_gs, srq->msrq.max_avail_gather); - is_xrc = (init_attr->srq_type == IB_SRQT_XRC); - if (pd->uobject) - err = create_srq_user(pd, srq, &in, udata, buf_size, &inlen, - is_xrc); + err = create_srq_user(pd, srq, &in, udata, buf_size); else - err = create_srq_kernel(dev, srq, &in, buf_size, &inlen, - is_xrc); + err = create_srq_kernel(dev, srq, &in, buf_size); if (err) { mlx5_ib_warn(dev, "create srq %s failed, err %d\n", @@ -317,23 +295,23 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, goto err_srq; } - in->ctx.state_log_sz = ilog2(srq->msrq.max); - flgs = ((srq->msrq.wqe_shift - 4) | (is_xrc << 5) | (srq->wq_sig << 7)) << 24; - xrcdn = 0; - if (is_xrc) { - xrcdn = to_mxrcd(init_attr->ext.xrc.xrcd)->xrcdn; - in->ctx.pgoff_cqn |= cpu_to_be32(to_mcq(init_attr->ext.xrc.cq)->mcq.cqn); + in.type = init_attr->srq_type; + in.log_size = ilog2(srq->msrq.max); + in.wqe_shift = srq->msrq.wqe_shift - 4; + if (srq->wq_sig) + in.flags |= MLX5_SRQ_FLAG_WQ_SIG; + if (init_attr->srq_type == IB_SRQT_XRC) { + in.xrcd = to_mxrcd(init_attr->ext.xrc.xrcd)->xrcdn; + in.cqn = to_mcq(init_attr->ext.xrc.cq)->mcq.cqn; } else if (init_attr->srq_type == IB_SRQT_BASIC) { - xrcdn = to_mxrcd(dev->devr.x0)->xrcdn; - in->ctx.pgoff_cqn |= cpu_to_be32(to_mcq(dev->devr.c0)->mcq.cqn); + in.xrcd = to_mxrcd(dev->devr.x0)->xrcdn; + in.cqn = to_mcq(dev->devr.c0)->mcq.cqn; } - in->ctx.flags_xrcd = cpu_to_be32((flgs & 0xFF000000) | (xrcdn & 0xFFFFFF)); - - in->ctx.pd = cpu_to_be32(to_mpd(pd)->pdn); - in->ctx.db_record = cpu_to_be64(srq->db.dma); - err = mlx5_core_create_srq(dev->mdev, &srq->msrq, in, inlen, is_xrc); - kvfree(in); + in.pd = to_mpd(pd)->pdn; + in.db_record = srq->db.dma; + err = mlx5_core_create_srq(dev->mdev, &srq->msrq, &in); + kvfree(in.pas); if (err) { mlx5_ib_dbg(dev, "create SRQ failed, err %d\n", err); goto err_usr_kern_srq; @@ -401,7 +379,7 @@ int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr) struct mlx5_ib_dev *dev = to_mdev(ibsrq->device); struct mlx5_ib_srq *srq = to_msrq(ibsrq); int ret; - struct mlx5_query_srq_mbox_out *out; + struct mlx5_srq_attr *out; out = kzalloc(sizeof(*out), GFP_KERNEL); if (!out) @@ -411,7 +389,7 @@ int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr) if (ret) goto out_box; - srq_attr->srq_limit = be16_to_cpu(out->ctx.lwm); + srq_attr->srq_limit = out->lwm; srq_attr->max_wr = srq->msrq.max - 1; srq_attr->max_sge = srq->msrq.max_gs; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/srq.c b/drivers/net/ethernet/mellanox/mlx5/core/srq.c index 04bc522..c07f4d0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/srq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/srq.c @@ -63,12 +63,12 @@ void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type) complete(&srq->free); } -static int get_pas_size(void *srqc) +static int get_pas_size(struct mlx5_srq_attr *in) { - u32 log_page_size = MLX5_GET(srqc, srqc, log_page_size) + 12; - u32 log_srq_size = MLX5_GET(srqc, srqc, log_srq_size); - u32 log_rq_stride = MLX5_GET(srqc, srqc, log_rq_stride); - u32 page_offset = MLX5_GET(srqc, srqc, page_offset); + u32 log_page_size = in->log_page_size + 12; + u32 log_srq_size = in->log_size; + u32 log_rq_stride = in->wqe_shift; + u32 page_offset = in->page_offset; u32 po_quanta = 1 << (log_page_size - 6); u32 rq_sz = 1 << (log_srq_size + 4 + log_rq_stride); u32 page_size = 1 << log_page_size; @@ -78,57 +78,58 @@ static int get_pas_size(void *srqc) return rq_num_pas * sizeof(u64); } -static void rmpc_srqc_reformat(void *srqc, void *rmpc, bool srqc_to_rmpc) +static void set_wq(void *wq, struct mlx5_srq_attr *in) { - void *wq = MLX5_ADDR_OF(rmpc, rmpc, wq); - - if (srqc_to_rmpc) { - switch (MLX5_GET(srqc, srqc, state)) { - case MLX5_SRQC_STATE_GOOD: - MLX5_SET(rmpc, rmpc, state, MLX5_RMPC_STATE_RDY); - break; - case MLX5_SRQC_STATE_ERROR: - MLX5_SET(rmpc, rmpc, state, MLX5_RMPC_STATE_ERR); - break; - default: - pr_warn("%s: %d: Unknown srq state = 0x%x\n", __func__, - __LINE__, MLX5_GET(srqc, srqc, state)); - MLX5_SET(rmpc, rmpc, state, MLX5_GET(srqc, srqc, state)); - } - - MLX5_SET(wq, wq, wq_signature, MLX5_GET(srqc, srqc, wq_signature)); - MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(srqc, srqc, log_page_size)); - MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(srqc, srqc, log_rq_stride) + 4); - MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(srqc, srqc, log_srq_size)); - MLX5_SET(wq, wq, page_offset, MLX5_GET(srqc, srqc, page_offset)); - MLX5_SET(wq, wq, lwm, MLX5_GET(srqc, srqc, lwm)); - MLX5_SET(wq, wq, pd, MLX5_GET(srqc, srqc, pd)); - MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(srqc, srqc, dbr_addr)); - } else { - switch (MLX5_GET(rmpc, rmpc, state)) { - case MLX5_RMPC_STATE_RDY: - MLX5_SET(srqc, srqc, state, MLX5_SRQC_STATE_GOOD); - break; - case MLX5_RMPC_STATE_ERR: - MLX5_SET(srqc, srqc, state, MLX5_SRQC_STATE_ERROR); - break; - default: - pr_warn("%s: %d: Unknown rmp state = 0x%x\n", - __func__, __LINE__, - MLX5_GET(rmpc, rmpc, state)); - MLX5_SET(srqc, srqc, state, - MLX5_GET(rmpc, rmpc, state)); - } - - MLX5_SET(srqc, srqc, wq_signature, MLX5_GET(wq, wq, wq_signature)); - MLX5_SET(srqc, srqc, log_page_size, MLX5_GET(wq, wq, log_wq_pg_sz)); - MLX5_SET(srqc, srqc, log_rq_stride, MLX5_GET(wq, wq, log_wq_stride) - 4); - MLX5_SET(srqc, srqc, log_srq_size, MLX5_GET(wq, wq, log_wq_sz)); - MLX5_SET(srqc, srqc, page_offset, MLX5_GET(wq, wq, page_offset)); - MLX5_SET(srqc, srqc, lwm, MLX5_GET(wq, wq, lwm)); - MLX5_SET(srqc, srqc, pd, MLX5_GET(wq, wq, pd)); - MLX5_SET64(srqc, srqc, dbr_addr, MLX5_GET64(wq, wq, dbr_addr)); - } + MLX5_SET(wq, wq, wq_signature, !!(in->flags + & MLX5_SRQ_FLAG_WQ_SIG)); + MLX5_SET(wq, wq, log_wq_pg_sz, in->log_page_size); + MLX5_SET(wq, wq, log_wq_stride, in->wqe_shift + 4); + MLX5_SET(wq, wq, log_wq_sz, in->log_size); + MLX5_SET(wq, wq, page_offset, in->page_offset); + MLX5_SET(wq, wq, lwm, in->lwm); + MLX5_SET(wq, wq, pd, in->pd); + MLX5_SET64(wq, wq, dbr_addr, in->db_record); +} + +static void set_srqc(void *srqc, struct mlx5_srq_attr *in) +{ + MLX5_SET(srqc, srqc, wq_signature, !!(in->flags + & MLX5_SRQ_FLAG_WQ_SIG)); + MLX5_SET(srqc, srqc, log_page_size, in->log_page_size); + MLX5_SET(srqc, srqc, log_rq_stride, in->wqe_shift); + MLX5_SET(srqc, srqc, log_srq_size, in->log_size); + MLX5_SET(srqc, srqc, page_offset, in->page_offset); + MLX5_SET(srqc, srqc, lwm, in->lwm); + MLX5_SET(srqc, srqc, pd, in->pd); + MLX5_SET64(srqc, srqc, dbr_addr, in->db_record); + MLX5_SET(srqc, srqc, xrcd, in->xrcd); + MLX5_SET(srqc, srqc, cqn, in->cqn); +} + +static void get_wq(void *wq, struct mlx5_srq_attr *in) +{ + if (MLX5_GET(wq, wq, wq_signature)) + in->flags &= MLX5_SRQ_FLAG_WQ_SIG; + in->log_page_size = MLX5_GET(wq, wq, log_wq_pg_sz); + in->wqe_shift = MLX5_GET(wq, wq, log_wq_stride) - 4; + in->log_size = MLX5_GET(wq, wq, log_wq_sz); + in->page_offset = MLX5_GET(wq, wq, page_offset); + in->lwm = MLX5_GET(wq, wq, lwm); + in->pd = MLX5_GET(wq, wq, pd); + in->db_record = MLX5_GET64(wq, wq, dbr_addr); +} + +static void get_srqc(void *srqc, struct mlx5_srq_attr *in) +{ + if (MLX5_GET(srqc, srqc, wq_signature)) + in->flags &= MLX5_SRQ_FLAG_WQ_SIG; + in->log_page_size = MLX5_GET(srqc, srqc, log_page_size); + in->wqe_shift = MLX5_GET(srqc, srqc, log_rq_stride); + in->log_size = MLX5_GET(srqc, srqc, log_srq_size); + in->page_offset = MLX5_GET(srqc, srqc, page_offset); + in->lwm = MLX5_GET(srqc, srqc, lwm); + in->pd = MLX5_GET(srqc, srqc, pd); + in->db_record = MLX5_GET64(srqc, srqc, dbr_addr); } struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn) @@ -149,19 +150,36 @@ struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn) EXPORT_SYMBOL(mlx5_core_get_srq); static int create_srq_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_create_srq_mbox_in *in, int inlen) + struct mlx5_srq_attr *in) { - struct mlx5_create_srq_mbox_out out; + u32 create_out[MLX5_ST_SZ_DW(create_srq_out)] = {0}; + void *create_in; + void *srqc; + void *pas; + int pas_size; + int inlen; int err; - memset(&out, 0, sizeof(out)); + pas_size = get_pas_size(in); + inlen = MLX5_ST_SZ_BYTES(create_srq_in) + pas_size; + create_in = mlx5_vzalloc(inlen); + if (!create_in) + return -ENOMEM; + + srqc = MLX5_ADDR_OF(create_srq_in, create_in, srq_context_entry); + pas = MLX5_ADDR_OF(create_srq_in, create_in, pas); - in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_CREATE_SRQ); + set_srqc(srqc, in); + memcpy(pas, in->pas, pas_size); - err = mlx5_cmd_exec_check_status(dev, (u32 *)in, inlen, (u32 *)(&out), - sizeof(out)); + MLX5_SET(create_srq_in, create_in, opcode, + MLX5_CMD_OP_CREATE_SRQ); - srq->srqn = be32_to_cpu(out.srqn) & 0xffffff; + err = mlx5_cmd_exec_check_status(dev, create_in, inlen, create_out, + sizeof(create_out)); + kvfree(create_in); + if (!err) + srq->srqn = MLX5_GET(create_srq_out, create_out, srqn); return err; } @@ -169,67 +187,75 @@ static int create_srq_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, static int destroy_srq_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq) { - struct mlx5_destroy_srq_mbox_in in; - struct mlx5_destroy_srq_mbox_out out; + u32 srq_in[MLX5_ST_SZ_DW(destroy_srq_in)] = {0}; + u32 srq_out[MLX5_ST_SZ_DW(destroy_srq_out)] = {0}; - memset(&in, 0, sizeof(in)); - memset(&out, 0, sizeof(out)); - in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DESTROY_SRQ); - in.srqn = cpu_to_be32(srq->srqn); + MLX5_SET(destroy_srq_in, srq_in, opcode, + MLX5_CMD_OP_DESTROY_SRQ); + MLX5_SET(destroy_srq_in, srq_in, srqn, srq->srqn); - return mlx5_cmd_exec_check_status(dev, (u32 *)(&in), sizeof(in), - (u32 *)(&out), sizeof(out)); + return mlx5_cmd_exec_check_status(dev, srq_in, sizeof(srq_in), + srq_out, sizeof(srq_out)); } static int arm_srq_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, u16 lwm, int is_srq) { - struct mlx5_arm_srq_mbox_in in; - struct mlx5_arm_srq_mbox_out out; - - memset(&in, 0, sizeof(in)); - memset(&out, 0, sizeof(out)); + /* arm_srq structs missing using identical xrc ones */ + u32 srq_in[MLX5_ST_SZ_DW(arm_xrc_srq_in)] = {0}; + u32 srq_out[MLX5_ST_SZ_DW(arm_xrc_srq_out)] = {0}; - in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ARM_RQ); - in.hdr.opmod = cpu_to_be16(!!is_srq); - in.srqn = cpu_to_be32(srq->srqn); - in.lwm = cpu_to_be16(lwm); + MLX5_SET(arm_xrc_srq_in, srq_in, opcode, MLX5_CMD_OP_ARM_XRC_SRQ); + MLX5_SET(arm_xrc_srq_in, srq_in, xrc_srqn, srq->srqn); + MLX5_SET(arm_xrc_srq_in, srq_in, lwm, lwm); - return mlx5_cmd_exec_check_status(dev, (u32 *)(&in), - sizeof(in), (u32 *)(&out), - sizeof(out)); + return mlx5_cmd_exec_check_status(dev, srq_in, sizeof(srq_in), + srq_out, sizeof(srq_out)); } static int query_srq_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_query_srq_mbox_out *out) + struct mlx5_srq_attr *out) { - struct mlx5_query_srq_mbox_in in; + u32 srq_in[MLX5_ST_SZ_DW(query_srq_in)] = {0}; + u32 *srq_out; + void *srqc; + int err; - memset(&in, 0, sizeof(in)); + srq_out = mlx5_vzalloc(MLX5_ST_SZ_BYTES(query_srq_out)); + if (!srq_out) + return -ENOMEM; - in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_SRQ); - in.srqn = cpu_to_be32(srq->srqn); + MLX5_SET(query_srq_in, srq_in, opcode, + MLX5_CMD_OP_QUERY_SRQ); + MLX5_SET(query_srq_in, srq_in, srqn, srq->srqn); + err = mlx5_cmd_exec_check_status(dev, srq_in, sizeof(srq_in), + srq_out, + MLX5_ST_SZ_BYTES(query_srq_out)); + if (err) + goto out; - return mlx5_cmd_exec_check_status(dev, (u32 *)(&in), sizeof(in), - (u32 *)out, sizeof(*out)); + srqc = MLX5_ADDR_OF(query_srq_out, srq_out, srq_context_entry); + get_srqc(srqc, out); + if (MLX5_GET(srqc, srqc, state) != MLX5_SRQC_STATE_GOOD) + out->flags |= MLX5_SRQ_FLAG_ERR; +out: + kvfree(srq_out); + return err; } static int create_xrc_srq_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_create_srq_mbox_in *in, - int srq_inlen) + struct mlx5_srq_attr *in) { u32 create_out[MLX5_ST_SZ_DW(create_xrc_srq_out)]; void *create_in; - void *srqc; void *xrc_srqc; void *pas; int pas_size; int inlen; int err; - srqc = MLX5_ADDR_OF(create_srq_in, in, srq_context_entry); - pas_size = get_pas_size(srqc); + pas_size = get_pas_size(in); inlen = MLX5_ST_SZ_BYTES(create_xrc_srq_in) + pas_size; create_in = mlx5_vzalloc(inlen); if (!create_in) @@ -239,7 +265,8 @@ static int create_xrc_srq_cmd(struct mlx5_core_dev *dev, xrc_srq_context_entry); pas = MLX5_ADDR_OF(create_xrc_srq_in, create_in, pas); - memcpy(xrc_srqc, srqc, MLX5_ST_SZ_BYTES(srqc)); + set_srqc(xrc_srqc, in); + MLX5_SET(xrc_srqc, xrc_srqc, user_index, in->user_index); memcpy(pas, in->pas, pas_size); MLX5_SET(create_xrc_srq_in, create_in, opcode, MLX5_CMD_OP_CREATE_XRC_SRQ); @@ -293,11 +320,10 @@ static int arm_xrc_srq_cmd(struct mlx5_core_dev *dev, static int query_xrc_srq_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_query_srq_mbox_out *out) + struct mlx5_srq_attr *out) { u32 xrcsrq_in[MLX5_ST_SZ_DW(query_xrc_srq_in)]; u32 *xrcsrq_out; - void *srqc; void *xrc_srqc; int err; @@ -317,8 +343,9 @@ static int query_xrc_srq_cmd(struct mlx5_core_dev *dev, xrc_srqc = MLX5_ADDR_OF(query_xrc_srq_out, xrcsrq_out, xrc_srq_context_entry); - srqc = MLX5_ADDR_OF(query_srq_out, out, srq_context_entry); - memcpy(srqc, xrc_srqc, MLX5_ST_SZ_BYTES(srqc)); + get_srqc(xrc_srqc, out); + if (MLX5_GET(xrc_srqc, xrc_srqc, state) != MLX5_XRC_SRQC_STATE_GOOD) + out->flags |= MLX5_SRQ_FLAG_ERR; out: kvfree(xrcsrq_out); @@ -326,26 +353,27 @@ out: } static int create_rmp_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_create_srq_mbox_in *in, int srq_inlen) + struct mlx5_srq_attr *in) { void *create_in; void *rmpc; - void *srqc; + void *wq; int pas_size; int inlen; int err; - srqc = MLX5_ADDR_OF(create_srq_in, in, srq_context_entry); - pas_size = get_pas_size(srqc); + pas_size = get_pas_size(in); inlen = MLX5_ST_SZ_BYTES(create_rmp_in) + pas_size; create_in = mlx5_vzalloc(inlen); if (!create_in) return -ENOMEM; rmpc = MLX5_ADDR_OF(create_rmp_in, create_in, ctx); + wq = MLX5_ADDR_OF(rmpc, rmpc, wq); + MLX5_SET(rmpc, rmpc, state, MLX5_RMPC_STATE_RDY); + set_wq(wq, in); memcpy(MLX5_ADDR_OF(rmpc, rmpc, wq.pas), in->pas, pas_size); - rmpc_srqc_reformat(srqc, rmpc, true); err = mlx5_core_create_rmp(dev, create_in, inlen, &srq->srqn); @@ -390,11 +418,10 @@ static int arm_rmp_cmd(struct mlx5_core_dev *dev, } static int query_rmp_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_query_srq_mbox_out *out) + struct mlx5_srq_attr *out) { u32 *rmp_out; void *rmpc; - void *srqc; int err; rmp_out = mlx5_vzalloc(MLX5_ST_SZ_BYTES(query_rmp_out)); @@ -405,9 +432,10 @@ static int query_rmp_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, if (err) goto out; - srqc = MLX5_ADDR_OF(query_srq_out, out, srq_context_entry); rmpc = MLX5_ADDR_OF(query_rmp_out, rmp_out, rmp_context); - rmpc_srqc_reformat(srqc, rmpc, false); + get_wq(MLX5_ADDR_OF(rmpc, rmpc, wq), out); + if (MLX5_GET(rmpc, rmpc, state) != MLX5_RMPC_STATE_RDY) + out->flags |= MLX5_SRQ_FLAG_ERR; out: kvfree(rmp_out); @@ -416,15 +444,14 @@ out: static int create_srq_split(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_create_srq_mbox_in *in, - int inlen, int is_xrc) + struct mlx5_srq_attr *in) { if (!dev->issi) - return create_srq_cmd(dev, srq, in, inlen); + return create_srq_cmd(dev, srq, in); else if (srq->common.res == MLX5_RES_XSRQ) - return create_xrc_srq_cmd(dev, srq, in, inlen); + return create_xrc_srq_cmd(dev, srq, in); else - return create_rmp_cmd(dev, srq, in, inlen); + return create_rmp_cmd(dev, srq, in); } static int destroy_srq_split(struct mlx5_core_dev *dev, @@ -439,15 +466,17 @@ static int destroy_srq_split(struct mlx5_core_dev *dev, } int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_create_srq_mbox_in *in, int inlen, - int is_xrc) + struct mlx5_srq_attr *in) { int err; struct mlx5_srq_table *table = &dev->priv.srq_table; - srq->common.res = is_xrc ? MLX5_RES_XSRQ : MLX5_RES_SRQ; + if (in->type == IB_SRQT_XRC) + srq->common.res = MLX5_RES_XSRQ; + else + srq->common.res = MLX5_RES_SRQ; - err = create_srq_split(dev, srq, in, inlen, is_xrc); + err = create_srq_split(dev, srq, in); if (err) return err; @@ -502,7 +531,7 @@ int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq) EXPORT_SYMBOL(mlx5_core_destroy_srq); int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_query_srq_mbox_out *out) + struct mlx5_srq_attr *out) { if (!dev->issi) return query_srq_cmd(dev, srq, out); diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 80776d0..ba93333 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -46,6 +46,7 @@ #include #include +#include enum { MLX5_RQ_BITMASK_VSD = 1 << 1, @@ -772,11 +773,10 @@ struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev, void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev, struct mlx5_cmd_mailbox *head); int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_create_srq_mbox_in *in, int inlen, - int is_xrc); + struct mlx5_srq_attr *in); int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq); int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_query_srq_mbox_out *out); + struct mlx5_srq_attr *out); int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, u16 lwm, int is_srq); void mlx5_init_mkey_table(struct mlx5_core_dev *dev); diff --git a/include/linux/mlx5/srq.h b/include/linux/mlx5/srq.h index f43ed05..33c97dc 100644 --- a/include/linux/mlx5/srq.h +++ b/include/linux/mlx5/srq.h @@ -35,6 +35,31 @@ #include +enum { + MLX5_SRQ_FLAG_ERR = (1 << 0), + MLX5_SRQ_FLAG_WQ_SIG = (1 << 1), +}; + +struct mlx5_srq_attr { + u32 type; + u32 flags; + u32 log_size; + u32 wqe_shift; + u32 log_page_size; + u32 wqe_cnt; + u32 srqn; + u32 xrcd; + u32 page_offset; + u32 cqn; + u32 pd; + u32 lwm; + u32 user_index; + u64 db_record; + u64 *pas; +}; + +struct mlx5_core_dev; + void mlx5_init_srq_table(struct mlx5_core_dev *dev); void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev); -- 2.7.4