From nobody Fri Dec 19 15:38:54 2025 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4DEF8146D55; Fri, 26 Apr 2024 13:12:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714137168; cv=none; b=Ek23phF8LG7rqYUekb/XmxXlqOUCsGWyJNfnwd325ny7u5jWAsELB/6iI+p5M+3JEUBj/UvF7d1enz0/8jaTpsWn6cQeUouliCTWP2kgFn5CRce+2Bp02+AHenh1d4uvW+xi7pq8sAHi10XUQhSgpGkyWpNn+HCMD+4X7ze/npk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714137168; c=relaxed/simple; bh=Usu77U3GYcspHtKEiK5azthR80eo1pinrp+TtsB6MkU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=ul6oX/JnwLwGS3N9gxenTh+NwgkdbhA72ux2/qE3xCQgRnYMdsrA4u/oHpN9tKwDST1w2goEARBFoaCZyCcY3WhsS/6u7KDzE/op78CM7dH2XspflyWiYqxnKxivv7S/qUSFhJvEoCKN8934ISVCukllG9/NZmnj2WE5ln9VbkM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=S47mHtzp; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="S47mHtzp" Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id E3788210EF25; Fri, 26 Apr 2024 06:12:45 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com E3788210EF25 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1714137165; bh=ltCMK8jIH6z2pJvdSWPrhUfu9Ob4wk1gjWILq73eM6I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S47mHtzpRhOyeXa5ecUVA7kMQWNoJJFbLbJwvrRke/JmsYyrKynNbvKEUjHhw3Cg+ /ON2Ni6W8aClC00SX2HxNjkOWH1mT/Iv8OpvUsAgjkokVRpeF5DUo2vB3+kRThKMYd INAA3ITsv/3IjiJJZJfir1OKm1o0Jrxcs9vYbiaU= From: Konstantin Taranov To: kotaranov@microsoft.com, sharmaajay@microsoft.com, longli@microsoft.com, jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH rdma-next v2 1/5] RDMA/mana_ib: create EQs for RNIC CQs Date: Fri, 26 Apr 2024 06:12:36 -0700 Message-Id: <1714137160-5222-2-git-send-email-kotaranov@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1714137160-5222-1-git-send-email-kotaranov@linux.microsoft.com> References: <1714137160-5222-1-git-send-email-kotaranov@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Konstantin Taranov Create EQs within mana_ib device. Such EQs are required for creation of RNIC CQs. Signed-off-by: Konstantin Taranov Reviewed-by: Long Li --- drivers/infiniband/hw/mana/main.c | 34 ++++++++++++++++++++++++++-- drivers/infiniband/hw/mana/mana_ib.h | 1 + 2 files changed, 33 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana= /main.c index f540147..546d059 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -658,7 +658,7 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev) { struct gdma_context *gc =3D mdev_to_gc(mdev); struct gdma_queue_spec spec =3D {}; - int err; + int err, i; =20 spec.type =3D GDMA_EQ; spec.monitor_avl_buf =3D false; @@ -672,12 +672,42 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev) if (err) return err; =20 + mdev->eqs =3D kcalloc(mdev->ib_dev.num_comp_vectors, sizeof(struct gdma_q= ueue *), + GFP_KERNEL); + if (!mdev->eqs) { + err =3D -ENOMEM; + goto destroy_fatal_eq; + } + + for (i =3D 0; i < mdev->ib_dev.num_comp_vectors; i++) { + spec.eq.msix_index =3D (i + 1) % gc->num_msix_usable; + err =3D mana_gd_create_mana_eq(mdev->gdma_dev, &spec, &mdev->eqs[i]); + if (err) + goto destroy_eqs; + } + return 0; + +destroy_eqs: + while (i-- > 0) + mana_gd_destroy_queue(gc, mdev->eqs[i]); + kfree(mdev->eqs); +destroy_fatal_eq: + mana_gd_destroy_queue(gc, mdev->fatal_err_eq); + return err; } =20 void mana_ib_destroy_eqs(struct mana_ib_dev *mdev) { - mana_gd_destroy_queue(mdev_to_gc(mdev), mdev->fatal_err_eq); + struct gdma_context *gc =3D mdev_to_gc(mdev); + int i; + + mana_gd_destroy_queue(gc, mdev->fatal_err_eq); + + for (i =3D 0; i < mdev->ib_dev.num_comp_vectors; i++) + mana_gd_destroy_queue(gc, mdev->eqs[i]); + + kfree(mdev->eqs); } =20 int mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev) diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/m= ana/mana_ib.h index 4c1240d..bfcf6df 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -56,6 +56,7 @@ struct mana_ib_dev { struct gdma_dev *gdma_dev; mana_handle_t adapter_handle; struct gdma_queue *fatal_err_eq; + struct gdma_queue **eqs; struct mana_ib_adapter_caps adapter_caps; }; =20 --=20 2.43.0