From patchwork Thu Jul 9 08:36:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gal Pressman X-Patchwork-Id: 11653771 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C3B4114DD for ; Thu, 9 Jul 2020 08:36:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC06F20708 for ; Thu, 9 Jul 2020 08:36:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="Eu6o+kKR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726339AbgGIIg7 (ORCPT ); Thu, 9 Jul 2020 04:36:59 -0400 Received: from smtp-fw-2101.amazon.com ([72.21.196.25]:21091 "EHLO smtp-fw-2101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726247AbgGIIg6 (ORCPT ); Thu, 9 Jul 2020 04:36:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1594283818; x=1625819818; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WCD+SaI/Zc2qPh/Zx+uAq6cQgp/p2lIgcDYvudjBgMg=; b=Eu6o+kKRc1E5stBRTyU5I/P6Lc5EC/I5D6mNdryQk/JESZ3XIhFvo2JU B8iVBUkGvNfOTGADDzjxLanKw0Z8O5LBOP5leSJk2li6QDrc4iWpBIyxW nGeaVQw47GP41izNrr3GfgJVXe/1gewGDi0o8aPQtpS4vw6wJDo3JOTAW k=; IronPort-SDR: cNhuGvpuWUKNkgk59Mri3hf8IQ8xTu/pepqSoUlfQcQcP/88YI5kLHobWDyUdx+I6nlWZCkexA 8vEIvFUZhWLw== X-IronPort-AV: E=Sophos;i="5.75,331,1589241600"; d="scan'208";a="40859326" Received: from iad12-co-svc-p1-lb1-vlan2.amazon.com (HELO email-inbound-relay-2c-4e7c8266.us-west-2.amazon.com) ([10.43.8.2]) by smtp-border-fw-out-2101.iad2.amazon.com with ESMTP; 09 Jul 2020 08:36:56 +0000 Received: from EX13MTAUEA002.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2c-4e7c8266.us-west-2.amazon.com (Postfix) with ESMTPS id 9E604A1CEF; Thu, 9 Jul 2020 08:36:54 +0000 (UTC) Received: from EX13D19EUB003.ant.amazon.com (10.43.166.69) by EX13MTAUEA002.ant.amazon.com (10.43.61.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 9 Jul 2020 08:36:54 +0000 Received: from EX13MTAUEA002.ant.amazon.com (10.43.61.77) by EX13D19EUB003.ant.amazon.com (10.43.166.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 9 Jul 2020 08:36:52 +0000 Received: from 8c85908914bf.ant.amazon.com (10.1.213.15) by mail-relay.amazon.com (10.43.61.169) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 9 Jul 2020 08:36:50 +0000 From: Gal Pressman To: Jason Gunthorpe , Doug Ledford CC: , Alexander Matushevsky , Gal Pressman , Daniel Kranzdorf , Firas JahJah Subject: [PATCH for-next 1/3] RDMA/efa: Expose maximum TX doorbell batch Date: Thu, 9 Jul 2020 11:36:28 +0300 Message-ID: <20200709083630.21377-2-galpress@amazon.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200709083630.21377-1-galpress@amazon.com> References: <20200709083630.21377-1-galpress@amazon.com> MIME-Version: 1.0 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org The device reports the maximum number of bytes to be written before ringing the doorbell (zero means unlimited). This patch queries the max batch size and reports it back to the userspace library. Reviewed-by: Daniel Kranzdorf Reviewed-by: Firas JahJah Signed-off-by: Gal Pressman --- drivers/infiniband/hw/efa/efa_admin_cmds_defs.h | 11 +++++++++++ drivers/infiniband/hw/efa/efa_com_cmd.c | 1 + drivers/infiniband/hw/efa/efa_com_cmd.h | 1 + drivers/infiniband/hw/efa/efa_verbs.c | 1 + include/uapi/rdma/efa-abi.h | 4 +++- 5 files changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h index bef2bd291054..03e7388af06e 100644 --- a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h +++ b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h @@ -632,6 +632,17 @@ struct efa_admin_feature_queue_attr_desc { /* Maximum number of SGEs for a single RDMA read WQE */ u16 max_wr_rdma_sges; + + /* + * Maximum number of bytes that can be written to SQ between two + * consecutive doorbells (in units of 64B). Driver must ensure that only + * complete WQEs are written to queue before issuing a doorbell. + * Examples: max_tx_batch=16 and WQE size = 64B, means up to 16 WQEs can + * be written to SQ between two consecutive doorbells. max_tx_batch=11 + * and WQE size = 128B, means up to 5 WQEs can be written to SQ between + * two consecutive doorbells. Zero means unlimited. + */ + u16 max_tx_batch; }; struct efa_admin_feature_aenq_desc { diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.c b/drivers/infiniband/hw/efa/efa_com_cmd.c index fabd8df2e78f..53cfde5c43d8 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.c +++ b/drivers/infiniband/hw/efa/efa_com_cmd.c @@ -480,6 +480,7 @@ int efa_com_get_device_attr(struct efa_com_dev *edev, result->max_llq_size = resp.u.queue_attr.max_llq_size; result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges; + result->max_tx_batch = resp.u.queue_attr.max_tx_batch; err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR); if (err) { diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.h b/drivers/infiniband/hw/efa/efa_com_cmd.h index 41ce4a476ee6..8df2a26d57d4 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.h +++ b/drivers/infiniband/hw/efa/efa_com_cmd.h @@ -127,6 +127,7 @@ struct efa_com_get_device_attr_result { u16 max_sq_sge; u16 max_rq_sge; u16 max_wr_rdma_sge; + u16 max_tx_batch; u8 db_bar; }; diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index 08313f7c73bc..f49d14cebe4a 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1525,6 +1525,7 @@ int efa_alloc_ucontext(struct ib_ucontext *ibucontext, struct ib_udata *udata) resp.sub_cqs_per_cq = dev->dev_attr.sub_cqs_per_cq; resp.inline_buf_size = dev->dev_attr.inline_buf_size; resp.max_llq_size = dev->dev_attr.max_llq_size; + resp.max_tx_batch = dev->dev_attr.max_tx_batch; if (udata && udata->outlen) { err = ib_copy_to_udata(udata, &resp, diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h index 53b6e2036a9b..10781763da37 100644 --- a/include/uapi/rdma/efa-abi.h +++ b/include/uapi/rdma/efa-abi.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ /* - * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved. */ #ifndef EFA_ABI_USER_H @@ -31,6 +31,8 @@ struct efa_ibv_alloc_ucontext_resp { __u16 sub_cqs_per_cq; __u16 inline_buf_size; __u32 max_llq_size; /* bytes */ + __u16 max_tx_batch; /* units of 64 bytes */ + __u8 reserved_90[6]; }; struct efa_ibv_alloc_pd_resp { From patchwork Thu Jul 9 08:36:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gal Pressman X-Patchwork-Id: 11653773 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 031A7618 for ; Thu, 9 Jul 2020 08:37:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD5272076A for ; Thu, 9 Jul 2020 08:37:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="j7vdFjS/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726332AbgGIIhH (ORCPT ); Thu, 9 Jul 2020 04:37:07 -0400 Received: from smtp-fw-9102.amazon.com ([207.171.184.29]:18616 "EHLO smtp-fw-9102.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726247AbgGIIhH (ORCPT ); Thu, 9 Jul 2020 04:37:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1594283827; x=1625819827; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DMKjB8xCfBzBCkKNfpgxia5k3f3wlJiB4oaoIdPpvAs=; b=j7vdFjS/8CH3m94EfZd3i7PVlChBaS2Sc4idXb987eEseFbgdz/1jKsc jXK5Su9wuouCLAfJCutsURUF6CMtWWaQ9FgV2E1iU+ZB1LHoBZdm6jp/R ZH3WPwxP8/Ljy1MZdpLDTmHLmg31jIEFtd4SlyAApELZ5YYdOuUwoOJC6 w=; IronPort-SDR: +6SMb8FyJRmsZibr6n27mL7qhQDQPIc4mBGPEbD3+dT4ldluE8gCMdur9DWhkbvfXy4Wa6Xdcf VFFoEWxMNvsA== X-IronPort-AV: E=Sophos;i="5.75,331,1589241600"; d="scan'208";a="58520333" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-2b-4e24fd92.us-west-2.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9102.sea19.amazon.com with ESMTP; 09 Jul 2020 08:37:05 +0000 Received: from EX13MTAUEA002.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2b-4e24fd92.us-west-2.amazon.com (Postfix) with ESMTPS id 39DC3A1C00; Thu, 9 Jul 2020 08:37:04 +0000 (UTC) Received: from EX13D19EUB001.ant.amazon.com (10.43.166.229) by EX13MTAUEA002.ant.amazon.com (10.43.61.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 9 Jul 2020 08:37:03 +0000 Received: from EX13MTAUEA002.ant.amazon.com (10.43.61.77) by EX13D19EUB001.ant.amazon.com (10.43.166.229) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 9 Jul 2020 08:37:02 +0000 Received: from 8c85908914bf.ant.amazon.com (10.1.213.15) by mail-relay.amazon.com (10.43.61.169) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 9 Jul 2020 08:36:59 +0000 From: Gal Pressman To: Jason Gunthorpe , Doug Ledford CC: , Alexander Matushevsky , Gal Pressman , Firas JahJah , "Shadi Ammouri" Subject: [PATCH for-next 2/3] RDMA/efa: Expose minimum SQ size Date: Thu, 9 Jul 2020 11:36:29 +0300 Message-ID: <20200709083630.21377-3-galpress@amazon.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200709083630.21377-1-galpress@amazon.com> References: <20200709083630.21377-1-galpress@amazon.com> MIME-Version: 1.0 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org The device reports the minimum SQ size required for creation. This patch queries the min SQ size and reports it back to the userspace library. Reviewed-by: Firas JahJah Reviewed-by: Shadi Ammouri Signed-off-by: Gal Pressman --- drivers/infiniband/hw/efa/efa_admin_cmds_defs.h | 4 ++-- drivers/infiniband/hw/efa/efa_com_cmd.c | 1 + drivers/infiniband/hw/efa/efa_com_cmd.h | 1 + drivers/infiniband/hw/efa/efa_verbs.c | 1 + include/uapi/rdma/efa-abi.h | 3 ++- 5 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h index 03e7388af06e..5484b08bbc5d 100644 --- a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h +++ b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h @@ -606,8 +606,8 @@ struct efa_admin_feature_queue_attr_desc { /* Number of sub-CQs to be created for each CQ */ u16 sub_cqs_per_cq; - /* MBZ */ - u16 reserved; + /* Minimum number of WQEs per SQ */ + u16 min_sq_depth; /* Maximum number of SGEs (buffers) allowed for a single send WQE */ u16 max_wr_send_sges; diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.c b/drivers/infiniband/hw/efa/efa_com_cmd.c index 53cfde5c43d8..6ac23627f65a 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.c +++ b/drivers/infiniband/hw/efa/efa_com_cmd.c @@ -481,6 +481,7 @@ int efa_com_get_device_attr(struct efa_com_dev *edev, result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges; result->max_tx_batch = resp.u.queue_attr.max_tx_batch; + result->min_sq_depth = resp.u.queue_attr.min_sq_depth; err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR); if (err) { diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.h b/drivers/infiniband/hw/efa/efa_com_cmd.h index 8df2a26d57d4..190bac23f585 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.h +++ b/drivers/infiniband/hw/efa/efa_com_cmd.h @@ -128,6 +128,7 @@ struct efa_com_get_device_attr_result { u16 max_rq_sge; u16 max_wr_rdma_sge; u16 max_tx_batch; + u16 min_sq_depth; u8 db_bar; }; diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index f49d14cebe4a..26102ab333b2 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1526,6 +1526,7 @@ int efa_alloc_ucontext(struct ib_ucontext *ibucontext, struct ib_udata *udata) resp.inline_buf_size = dev->dev_attr.inline_buf_size; resp.max_llq_size = dev->dev_attr.max_llq_size; resp.max_tx_batch = dev->dev_attr.max_tx_batch; + resp.min_sq_wr = dev->dev_attr.min_sq_depth; if (udata && udata->outlen) { err = ib_copy_to_udata(udata, &resp, diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h index 10781763da37..7ef2306f8dd4 100644 --- a/include/uapi/rdma/efa-abi.h +++ b/include/uapi/rdma/efa-abi.h @@ -32,7 +32,8 @@ struct efa_ibv_alloc_ucontext_resp { __u16 inline_buf_size; __u32 max_llq_size; /* bytes */ __u16 max_tx_batch; /* units of 64 bytes */ - __u8 reserved_90[6]; + __u16 min_sq_wr; + __u8 reserved_a0[4]; }; struct efa_ibv_alloc_pd_resp { From patchwork Thu Jul 9 08:36:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gal Pressman X-Patchwork-Id: 11653775 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E0FCB618 for ; Thu, 9 Jul 2020 08:37:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C19B220774 for ; 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Thu, 9 Jul 2020 08:37:05 +0000 From: Gal Pressman To: Jason Gunthorpe , Doug Ledford CC: , Alexander Matushevsky , Gal Pressman , Shadi Ammouri , Yossi Leybovich Subject: [PATCH for-next 3/3] RDMA/efa: Add EFA 0xefa1 PCI ID Date: Thu, 9 Jul 2020 11:36:30 +0300 Message-ID: <20200709083630.21377-4-galpress@amazon.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200709083630.21377-1-galpress@amazon.com> References: <20200709083630.21377-1-galpress@amazon.com> MIME-Version: 1.0 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Add support for 0xefa1 devices. Reviewed-by: Shadi Ammouri Reviewed-by: Yossi Leybovich Signed-off-by: Gal Pressman --- drivers/infiniband/hw/efa/efa_main.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/efa/efa_main.c b/drivers/infiniband/hw/efa/efa_main.c index 82145574c928..92d701146320 100644 --- a/drivers/infiniband/hw/efa/efa_main.c +++ b/drivers/infiniband/hw/efa/efa_main.c @@ -12,10 +12,12 @@ #include "efa.h" -#define PCI_DEV_ID_EFA_VF 0xefa0 +#define PCI_DEV_ID_EFA0_VF 0xefa0 +#define PCI_DEV_ID_EFA1_VF 0xefa1 static const struct pci_device_id efa_pci_tbl[] = { - { PCI_VDEVICE(AMAZON, PCI_DEV_ID_EFA_VF) }, + { PCI_VDEVICE(AMAZON, PCI_DEV_ID_EFA0_VF) }, + { PCI_VDEVICE(AMAZON, PCI_DEV_ID_EFA1_VF) }, { } };