From patchwork Tue Jan 17 13:14:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 13104632 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE04DC63797 for ; Tue, 17 Jan 2023 13:15:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236794AbjAQNP3 (ORCPT ); Tue, 17 Jan 2023 08:15:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237069AbjAQNPX (ORCPT ); Tue, 17 Jan 2023 08:15:23 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A5A538B44; Tue, 17 Jan 2023 05:15:13 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 8EC4BB81604; Tue, 17 Jan 2023 13:15:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CEAB7C433D2; Tue, 17 Jan 2023 13:15:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673961311; bh=ejtpF20k13sCXEE5K2/biJvCrzncPMMbaATqN9mK928=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YSSFMvCk5BbkuAIYQzC0Oo6j2A5bZpdyimd+e8Iz9uwuwzBb6fJNydpJ2OulUt3Np tDITnEI8R02XvhbZPVOraAQlt2q3tWGFICwH30NqOKrJXz4Gud5rc8964QFgV4I2Cw /tzGu3tqRn7SZod02j2CI/wF3RtyQjwS1hP6cIwBTRE672+ZGXnkJPijplLFIgFRTP HT6LjMVKxRVdyennI0lJEvdpo88MFo+L4GAHv9FAgolZy9m6/kiSfl6t2gIuPTS9KZ 6Y8trxqNiKAIy169O14GTF7f9ZhSA6vUtlZEHsotpfMj1/craZzgxFE8wAGDBweuGc hG4y9d6ai5DfQ== From: Leon Romanovsky To: Jason Gunthorpe Cc: Or Har-Toov , Eric Dumazet , Jakub Kicinski , linux-rdma@vger.kernel.org, Michael Guralnik , netdev@vger.kernel.org, Paolo Abeni , Saeed Mahameed Subject: [PATCH mlx5-next v2 1/4] net/mlx5: Expose bits for querying special mkeys Date: Tue, 17 Jan 2023 15:14:49 +0200 Message-Id: <080ebb563a9717c15b1ea75d669aede676df386b.1673960981.git.leon@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Or Har-Toov Add needed HW bits to query the values of all special mkeys. Signed-off-by: Or Har-Toov Reviewed-by: Michael Guralnik Signed-off-by: Leon Romanovsky --- include/linux/mlx5/mlx5_ifc.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 2d17b6a6d82d..8bbf15433bb2 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1480,7 +1480,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 relaxed_ordering_write[0x1]; u8 relaxed_ordering_read[0x1]; u8 log_max_mkey[0x6]; - u8 reserved_at_f0[0x8]; + u8 reserved_at_f0[0x6]; + u8 terminate_scatter_list_mkey[0x1]; + u8 repeated_mkey[0x1]; u8 dump_fill_mkey[0x1]; u8 reserved_at_f9[0x2]; u8 fast_teardown[0x1]; @@ -5202,7 +5204,11 @@ struct mlx5_ifc_query_special_contexts_out_bits { u8 null_mkey[0x20]; - u8 reserved_at_a0[0x60]; + u8 terminate_scatter_list_mkey[0x20]; + + u8 repeated_mkey[0x20]; + + u8 reserved_at_a0[0x20]; }; struct mlx5_ifc_query_special_contexts_in_bits { From patchwork Tue Jan 17 13:14:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 13104629 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B054C3DA78 for ; Tue, 17 Jan 2023 13:15:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237028AbjAQNPH (ORCPT ); Tue, 17 Jan 2023 08:15:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237012AbjAQNPF (ORCPT ); Tue, 17 Jan 2023 08:15:05 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86132241DE; Tue, 17 Jan 2023 05:15:03 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 45039B81600; Tue, 17 Jan 2023 13:15:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5534CC433EF; Tue, 17 Jan 2023 13:15:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673961301; bh=0CzU6WYZ9ucWGSDGNCHrQ0DjFlwKvKADXN9/JciMsho=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W+U1YR6oqBcuha4XYi/gEK9zLWK2Z4l9dq6rNoInq7phRt1qy4pkcR1/qLmFZ0inf HrvIXPG1bLPZY4jQ+35nDcrrFUbf5eCBuNQ52YIgJDS3jLzVfUTacq42+VqfQ/MH6K dcKXnUfGzpf4U//P3hnA3k0P4d/eiXUwZeuumYs3kiO2zhuL/cMa61l15n1cjbBs0H 89QZ4ZlH0dAVMyCJIGG2EOJMkhQEHcmHdHTorm5lWBxizs9kkhhunSqYuWPISG7rNB Rk68DQTzXkVWWJRFtuOOhVEewKPbCsu9F30NblFP/ECJIuxTruvkmqxFugJ2iBtxvF 9gNbBDtFN2t7w== From: Leon Romanovsky To: Jason Gunthorpe Cc: Or Har-Toov , Eric Dumazet , Jakub Kicinski , linux-rdma@vger.kernel.org, Michael Guralnik , netdev@vger.kernel.org, Paolo Abeni , Saeed Mahameed Subject: [PATCH mlx5-next v2 2/4] net/mlx5: Change define name for 0x100 lkey value Date: Tue, 17 Jan 2023 15:14:50 +0200 Message-Id: <3a116dc3fbae4cb6b76a63d27d418830b06ade0c.1673960981.git.leon@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Or Har-Toov Change define of 0x100 lkey value from MLX5_INVALID_LKEY to be MLX5_TERMINATE_SCATTER_LIST_LKEY as 0x100 is the value of terminate_scatter_list_mkey. Signed-off-by: Or Har-Toov Reviewed-by: Michael Guralnik Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/odp.c | 10 +++++----- drivers/infiniband/hw/mlx5/srq.c | 2 +- drivers/infiniband/hw/mlx5/wr.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 3 ++- include/linux/mlx5/qp.h | 2 +- 5 files changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index e6e021af6aa9..b4ebeadce67c 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -986,7 +986,7 @@ static int pagefault_data_segments(struct mlx5_ib_dev *dev, { int ret = 0, npages = 0; u64 io_virt; - u32 key; + __be32 key; u32 byte_count; size_t bcnt; int inline_segment; @@ -1000,7 +1000,7 @@ static int pagefault_data_segments(struct mlx5_ib_dev *dev, struct mlx5_wqe_data_seg *dseg = wqe; io_virt = be64_to_cpu(dseg->addr); - key = be32_to_cpu(dseg->lkey); + key = dseg->lkey; byte_count = be32_to_cpu(dseg->byte_count); inline_segment = !!(byte_count & MLX5_INLINE_SEG); bcnt = byte_count & ~MLX5_INLINE_SEG; @@ -1014,8 +1014,8 @@ static int pagefault_data_segments(struct mlx5_ib_dev *dev, } /* receive WQE end of sg list. */ - if (receive_queue && bcnt == 0 && key == MLX5_INVALID_LKEY && - io_virt == 0) + if (receive_queue && bcnt == 0 && + key == MLX5_TERMINATE_SCATTER_LIST_LKEY && io_virt == 0) break; if (!inline_segment && total_wqe_bytes) { @@ -1034,7 +1034,7 @@ static int pagefault_data_segments(struct mlx5_ib_dev *dev, continue; } - ret = pagefault_single_data_segment(dev, NULL, key, + ret = pagefault_single_data_segment(dev, NULL, be32_to_cpu(key), io_virt, bcnt, &pfault->bytes_committed, bytes_mapped); diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index 757756c50cc6..bcceb14a07f9 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -447,7 +447,7 @@ int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, if (i < srq->msrq.max_avail_gather) { scat[i].byte_count = 0; - scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); + scat[i].lkey = MLX5_TERMINATE_SCATTER_LIST_LKEY; scat[i].addr = 0; } } diff --git a/drivers/infiniband/hw/mlx5/wr.c b/drivers/infiniband/hw/mlx5/wr.c index 855f3f4fefad..bc44551493e2 100644 --- a/drivers/infiniband/hw/mlx5/wr.c +++ b/drivers/infiniband/hw/mlx5/wr.c @@ -1252,7 +1252,7 @@ int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, if (i < qp->rq.max_gs) { scat[i].byte_count = 0; - scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); + scat[i].lkey = MLX5_TERMINATE_SCATTER_LIST_LKEY; scat[i].addr = 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index cff5f2e29e1e..db4e66c38395 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -825,7 +825,8 @@ static int mlx5e_alloc_rq(struct mlx5e_params *params, /* check if num_frags is not a pow of two */ if (rq->wqe.info.num_frags < (1 << rq->wqe.info.log_num_frags)) { wqe->data[f].byte_count = 0; - wqe->data[f].lkey = cpu_to_be32(MLX5_INVALID_LKEY); + wqe->data[f].lkey = + MLX5_TERMINATE_SCATTER_LIST_LKEY; wqe->data[f].addr = 0; } } diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index 4657d5c54abe..df55fbb65717 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -36,7 +36,7 @@ #include #include -#define MLX5_INVALID_LKEY 0x100 +#define MLX5_TERMINATE_SCATTER_LIST_LKEY cpu_to_be32(0x100) /* UMR (3 WQE_BB's) + SIG (3 WQE_BB's) + PSV (mem) + PSV (wire) */ #define MLX5_SIG_WQE_SIZE (MLX5_SEND_WQE_BB * 8) #define MLX5_DIF_SIZE 8 From patchwork Tue Jan 17 13:14:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 13104630 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 593ACC678D4 for ; Tue, 17 Jan 2023 13:15:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237012AbjAQNPL (ORCPT ); Tue, 17 Jan 2023 08:15:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237022AbjAQNPG (ORCPT ); Tue, 17 Jan 2023 08:15:06 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6990F367F4; Tue, 17 Jan 2023 05:15:05 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E68BB61376; Tue, 17 Jan 2023 13:15:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E03E1C433D2; Tue, 17 Jan 2023 13:15:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673961304; bh=2+NmVEcQa5bnhwLKzO22URIPMlVqVTfeTvuEk8//NW8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nP10jLkQ4WoFy8E/OHd2Maek82H1hYM4cJuJy35UJ6gi3qZ9Bhaa4Y0K/VSacFxql FRFbVD1J/yg+HFinGgjZLylz8pMZ9ukUj6pblmKeONmtmyNppJARz26Y7Q4ZRcH4A3 tUFxVLaMMgfaV4HHKzRbqDbb0NC+NJysVA5h8DqitY6a0aayw9jKx9nCLVdu0OkfDW q8sGDSU7B4X/D+0Lhjildvn2M9X+Pq4+uNx7g/U8w5bUyz+8ilUQGGFWiHQbbNI4j6 8d5tj6UI+VrXUaI4iEnE4wKAq38TRMF9+kR8iXi3TlwWdNfC32TRSRHkqdXf/zaN6N X0M6biTO99cdw== From: Leon Romanovsky To: Jason Gunthorpe Cc: Or Har-Toov , Eric Dumazet , Jakub Kicinski , linux-rdma@vger.kernel.org, Michael Guralnik , netdev@vger.kernel.org, Paolo Abeni , Saeed Mahameed Subject: [PATCH mlx5-next v2 3/4] net/mlx5e: Use query_special_contexts for mkeys Date: Tue, 17 Jan 2023 15:14:51 +0200 Message-Id: X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Or Har-Toov Use query_sepcial_contexts in order to get the correct value of terminate_scatter_list_mkey, as FW will change it for certain configurations. Signed-off-by: Or Har-Toov Reviewed-by: Michael Guralnik Signed-off-by: Leon Romanovsky --- .../net/ethernet/mellanox/mlx5/core/en_main.c | 23 +++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index db4e66c38395..de7ab0911b30 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -661,6 +661,26 @@ static void mlx5e_rq_free_shampo(struct mlx5e_rq *rq) mlx5e_rq_shampo_hd_free(rq); } +static __be32 mlx5e_get_terminate_scatter_list_mkey(struct mlx5_core_dev *dev) +{ + u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; + u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; + int res; + + if (!MLX5_CAP_GEN(dev, terminate_scatter_list_mkey)) + return MLX5_TERMINATE_SCATTER_LIST_LKEY; + + MLX5_SET(query_special_contexts_in, in, opcode, + MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); + res = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); + if (res) + return MLX5_TERMINATE_SCATTER_LIST_LKEY; + + res = MLX5_GET(query_special_contexts_out, out, + terminate_scatter_list_mkey); + return cpu_to_be32(res); +} + static int mlx5e_alloc_rq(struct mlx5e_params *params, struct mlx5e_xsk_param *xsk, struct mlx5e_rq_param *rqp, @@ -825,8 +845,7 @@ static int mlx5e_alloc_rq(struct mlx5e_params *params, /* check if num_frags is not a pow of two */ if (rq->wqe.info.num_frags < (1 << rq->wqe.info.log_num_frags)) { wqe->data[f].byte_count = 0; - wqe->data[f].lkey = - MLX5_TERMINATE_SCATTER_LIST_LKEY; + wqe->data[f].lkey = mlx5e_get_terminate_scatter_list_mkey(mdev); wqe->data[f].addr = 0; } } From patchwork Tue Jan 17 13:14:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 13104631 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8E92C3DA78 for ; Tue, 17 Jan 2023 13:15:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237091AbjAQNPZ (ORCPT ); Tue, 17 Jan 2023 08:15:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236974AbjAQNPP (ORCPT ); Tue, 17 Jan 2023 08:15:15 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6286C38EAD; Tue, 17 Jan 2023 05:15:10 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 1E0DBB81606; Tue, 17 Jan 2023 13:15:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A93AC433D2; Tue, 17 Jan 2023 13:15:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673961307; bh=joH/gbrJOx8wND0UyaWC8D/AiaqpRF1Zu7zoRRqspK4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c9jhzYk+4VLYdH/B9QVKFKn3qED4M2hMOWRcp29Zyp7zP6wPRF47qeRfiKEEJo6qL UvfCmp+tvdNXq6l6sGwuAcwxesDHO7GSrB7+25vW/Q3FpvtarT2cZfpXVwaJKRIyVV SGEqBNPATqOva3AnASXJRsQdWyRX3hbq6Ld8c8N7ynuOfb7LWkFq7MhUQ1/i7eSgZD aFy/hX8ui2AJZlJ4SC9RPT+RmReiWcGJ7TkcOpnXUV938elU/lI0fdl5qfdHkFmoTe f5dyguhY1i5z3BKx1R2PglEfAxw2vwO8054sB59R6u7ylaLQ6a5xFYIxCpvV06KLEU KWaQlWgYhfhiQ== From: Leon Romanovsky To: Jason Gunthorpe Cc: Or Har-Toov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , linux-rdma@vger.kernel.org, Michael Guralnik , netdev@vger.kernel.org, Paolo Abeni , Saeed Mahameed Subject: [PATCH rdma-next v2 4/4] RDMA/mlx5: Use query_special_contexts for mkeys Date: Tue, 17 Jan 2023 15:14:52 +0200 Message-Id: <000236f0a9487d48809f87bcc3620a3964b2d3d3.1673960981.git.leon@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Or Har-Toov Use query_sepcial_contexts to get the correct value of mkeys such as null_mkey, terminate_scatter_list_mkey and dump_fill_mkey, as FW will change them in certain configurations. Signed-off-by: Or Har-Toov Reviewed-by: Michael Guralnik Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/cmd.c | 45 ++++++++++++++++------------ drivers/infiniband/hw/mlx5/cmd.h | 3 +- drivers/infiniband/hw/mlx5/main.c | 10 +++---- drivers/infiniband/hw/mlx5/mlx5_ib.h | 9 +++++- drivers/infiniband/hw/mlx5/odp.c | 21 ++++--------- drivers/infiniband/hw/mlx5/srq.c | 2 +- drivers/infiniband/hw/mlx5/wr.c | 2 +- 7 files changed, 48 insertions(+), 44 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c index ff3742b0460a..1d0c8d5e745b 100644 --- a/drivers/infiniband/hw/mlx5/cmd.c +++ b/drivers/infiniband/hw/mlx5/cmd.c @@ -5,34 +5,41 @@ #include "cmd.h" -int mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev *dev, u32 *mkey) +int mlx5r_cmd_query_special_mkeys(struct mlx5_ib_dev *dev) { u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; + bool is_terminate, is_dump, is_null; int err; - MLX5_SET(query_special_contexts_in, in, opcode, - MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); - err = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); - if (!err) - *mkey = MLX5_GET(query_special_contexts_out, out, - dump_fill_mkey); - return err; -} + is_terminate = MLX5_CAP_GEN(dev->mdev, terminate_scatter_list_mkey); + is_dump = MLX5_CAP_GEN(dev->mdev, dump_fill_mkey); + is_null = MLX5_CAP_GEN(dev->mdev, null_mkey); -int mlx5_cmd_null_mkey(struct mlx5_core_dev *dev, u32 *null_mkey) -{ - u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; - u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; - int err; + dev->mkeys.terminate_scatter_list_mkey = MLX5_TERMINATE_SCATTER_LIST_LKEY; + if (!is_terminate && !is_dump && !is_null) + return 0; MLX5_SET(query_special_contexts_in, in, opcode, MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); - err = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); - if (!err) - *null_mkey = MLX5_GET(query_special_contexts_out, out, - null_mkey); - return err; + err = mlx5_cmd_exec_inout(dev->mdev, query_special_contexts, in, out); + if (err) + return err; + + if (is_dump) + dev->mkeys.dump_fill_mkey = MLX5_GET(query_special_contexts_out, + out, dump_fill_mkey); + + if (is_null) + dev->mkeys.null_mkey = cpu_to_be32( + MLX5_GET(query_special_contexts_out, out, null_mkey)); + + if (is_terminate) + dev->mkeys.terminate_scatter_list_mkey = + cpu_to_be32(MLX5_GET(query_special_contexts_out, out, + terminate_scatter_list_mkey)); + + return 0; } int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, diff --git a/drivers/infiniband/hw/mlx5/cmd.h b/drivers/infiniband/hw/mlx5/cmd.h index ee46638db5de..93a971a40d11 100644 --- a/drivers/infiniband/hw/mlx5/cmd.h +++ b/drivers/infiniband/hw/mlx5/cmd.h @@ -37,8 +37,7 @@ #include #include -int mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev *dev, u32 *mkey); -int mlx5_cmd_null_mkey(struct mlx5_core_dev *dev, u32 *null_mkey); +int mlx5r_cmd_query_special_mkeys(struct mlx5_ib_dev *dev); int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, void *out); int mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 8588f2fc0cba..fb0d97bd4074 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1756,13 +1756,9 @@ static int set_ucontext_resp(struct ib_ucontext *uctx, struct mlx5_ib_dev *dev = to_mdev(ibdev); struct mlx5_ib_ucontext *context = to_mucontext(uctx); struct mlx5_bfreg_info *bfregi = &context->bfregi; - int err; if (MLX5_CAP_GEN(dev->mdev, dump_fill_mkey)) { - err = mlx5_cmd_dump_fill_mkey(dev->mdev, - &resp->dump_fill_mkey); - if (err) - return err; + resp->dump_fill_mkey = dev->mkeys.dump_fill_mkey; resp->comp_mask |= MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_DUMP_FILL_MKEY; } @@ -3634,6 +3630,10 @@ static int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev) dev->port[i].roce.last_port_state = IB_PORT_DOWN; } + err = mlx5r_cmd_query_special_mkeys(dev); + if (err) + return err; + err = mlx5_ib_init_multiport_master(dev); if (err) return err; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 7e1fb71bf7d4..ddb36c757074 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -1051,6 +1051,13 @@ struct mlx5_port_caps { u8 ext_port_cap; }; + +struct mlx5_special_mkeys { + u32 dump_fill_mkey; + __be32 null_mkey; + __be32 terminate_scatter_list_mkey; +}; + struct mlx5_ib_dev { struct ib_device ib_dev; struct mlx5_core_dev *mdev; @@ -1081,7 +1088,6 @@ struct mlx5_ib_dev { struct xarray odp_mkeys; - u32 null_mkey; struct mlx5_ib_flow_db *flow_db; /* protect resources needed as part of reset flow */ spinlock_t reset_flow_resource_lock; @@ -1110,6 +1116,7 @@ struct mlx5_ib_dev { struct mlx5_port_caps port_caps[MLX5_MAX_PORTS]; u16 pkey_table_len; u8 lag_ports; + struct mlx5_special_mkeys mkeys; }; static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq) diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index b4ebeadce67c..4998eaeadcbb 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -104,7 +104,7 @@ static void populate_klm(struct mlx5_klm *pklm, size_t idx, size_t nentries, if (flags & MLX5_IB_UPD_XLT_ZAP) { for (; pklm != end; pklm++, idx++) { pklm->bcount = cpu_to_be32(MLX5_IMR_MTT_SIZE); - pklm->key = cpu_to_be32(mr_to_mdev(imr)->null_mkey); + pklm->key = mr_to_mdev(imr)->mkeys.null_mkey; pklm->va = 0; } return; @@ -137,7 +137,7 @@ static void populate_klm(struct mlx5_klm *pklm, size_t idx, size_t nentries, pklm->key = cpu_to_be32(mtt->ibmr.lkey); pklm->va = cpu_to_be64(idx * MLX5_IMR_MTT_SIZE); } else { - pklm->key = cpu_to_be32(mr_to_mdev(imr)->null_mkey); + pklm->key = mr_to_mdev(imr)->mkeys.null_mkey; pklm->va = 0; } } @@ -1015,7 +1015,8 @@ static int pagefault_data_segments(struct mlx5_ib_dev *dev, /* receive WQE end of sg list. */ if (receive_queue && bcnt == 0 && - key == MLX5_TERMINATE_SCATTER_LIST_LKEY && io_virt == 0) + key == dev->mkeys.terminate_scatter_list_mkey && + io_virt == 0) break; if (!inline_segment && total_wqe_bytes) { @@ -1615,25 +1616,15 @@ static const struct ib_device_ops mlx5_ib_dev_odp_ops = { int mlx5_ib_odp_init_one(struct mlx5_ib_dev *dev) { - int ret = 0; - internal_fill_odp_caps(dev); if (!(dev->odp_caps.general_caps & IB_ODP_SUPPORT)) - return ret; + return 0; ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_odp_ops); - if (dev->odp_caps.general_caps & IB_ODP_SUPPORT_IMPLICIT) { - ret = mlx5_cmd_null_mkey(dev->mdev, &dev->null_mkey); - if (ret) { - mlx5_ib_err(dev, "Error getting null_mkey %d\n", ret); - return ret; - } - } - mutex_init(&dev->odp_eq_mutex); - return ret; + return 0; } void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *dev) diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index bcceb14a07f9..32c6643d0f7a 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -447,7 +447,7 @@ int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, if (i < srq->msrq.max_avail_gather) { scat[i].byte_count = 0; - scat[i].lkey = MLX5_TERMINATE_SCATTER_LIST_LKEY; + scat[i].lkey = dev->mkeys.terminate_scatter_list_mkey; scat[i].addr = 0; } } diff --git a/drivers/infiniband/hw/mlx5/wr.c b/drivers/infiniband/hw/mlx5/wr.c index bc44551493e2..df1d1b0a3ef7 100644 --- a/drivers/infiniband/hw/mlx5/wr.c +++ b/drivers/infiniband/hw/mlx5/wr.c @@ -1252,7 +1252,7 @@ int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, if (i < qp->rq.max_gs) { scat[i].byte_count = 0; - scat[i].lkey = MLX5_TERMINATE_SCATTER_LIST_LKEY; + scat[i].lkey = dev->mkeys.terminate_scatter_list_mkey; scat[i].addr = 0; }