From patchwork Fri Feb 2 15:06:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Taranov X-Patchwork-Id: 13542994 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8BE86145346; Fri, 2 Feb 2024 15:06:51 +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=1706886414; cv=none; b=BOXEbKintWuRtHq1dHmIng1ytwCru0q9lbax9brGTXEpMox9H5CzqBgrOteUPhPgZe8sFKgUORM9VRD1Jt3ghRxCa/8Yv0P6vn2dzPoKp2naTp+SWcN76nJoWmcQDZ0/BV7yxetB2pcds16Fj4Yi6p++qHwdA7JmtnZzFoNeEeg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706886414; c=relaxed/simple; bh=4ZmPsc+rDgX7rX3N3RoK8DZaj+dzW3V5EQi2cFZw9c4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=Qm3vqxmGtksFdHr+VGMfwGTpb4JBsJDRmMfn9X2CYp4OUmm1dqH4XIhjV70a4qYcGF3XXri6MQ+bk/m61WsBHVFuJ0YdesbgZ3QGNvRKmnPiBiIF99Q/a4OIQsEvgecfkX9g3hxGdcI3J9TXLfcPOVTGj5EfFdBKQ/xSWhJeoGM= 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=GwseLGBm; 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="GwseLGBm" Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id 541DB20B2001; Fri, 2 Feb 2024 07:06:45 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 541DB20B2001 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1706886405; bh=saDdL5sYNRP0RdrEfccKfGdzxJcVkUQ2VWnSyr2q/F4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GwseLGBmF4IF6c7qv7lLjifT7x3kKd0qA/BBxUa4uzHH7xKaY/iH9Augap+q1B3DF zLP00weP8S2MoiWqXKwbOUyboPwIqX6VhONzKLhlWw5uENIA3IfqzO3+OBY4r9bqWB TugSxtJGaYXQrbSNXjemOk1hdrlXSD5uFhD9aCtY= 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: Add EQ creation for rnic adapter Date: Fri, 2 Feb 2024 07:06:33 -0800 Message-Id: <1706886397-16600-2-git-send-email-kotaranov@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1706886397-16600-1-git-send-email-kotaranov@linux.microsoft.com> References: <1706886397-16600-1-git-send-email-kotaranov@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: This patch introduces functions for RNIC creation and creates one EQ for RNIC creation. Signed-off-by: Konstantin Taranov --- drivers/infiniband/hw/mana/device.c | 9 ++++-- drivers/infiniband/hw/mana/main.c | 53 ++++++++++++++++++++++++++++++++++++ drivers/infiniband/hw/mana/mana_ib.h | 5 ++++ 3 files changed, 64 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/mana/device.c b/drivers/infiniband/hw/mana/device.c index 6fa902e..d8e8b10 100644 --- a/drivers/infiniband/hw/mana/device.c +++ b/drivers/infiniband/hw/mana/device.c @@ -92,15 +92,19 @@ static int mana_ib_probe(struct auxiliary_device *adev, goto deregister_device; } + mana_ib_gd_create_rnic_adapter(dev); + ret = ib_register_device(&dev->ib_dev, "mana_%d", mdev->gdma_context->dev); if (ret) - goto deregister_device; + goto destroy_rnic_adapter; dev_set_drvdata(&adev->dev, dev); return 0; +destroy_rnic_adapter: + mana_ib_gd_destroy_rnic_adapter(dev); deregister_device: mana_gd_deregister_device(dev->gdma_dev); free_ib_device: @@ -113,9 +117,8 @@ static void mana_ib_remove(struct auxiliary_device *adev) struct mana_ib_dev *dev = dev_get_drvdata(&adev->dev); ib_unregister_device(&dev->ib_dev); - + mana_ib_gd_destroy_rnic_adapter(dev); mana_gd_deregister_device(dev->gdma_dev); - ib_dealloc_device(&dev->ib_dev); } diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 29dd243..c64d569 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -548,3 +548,56 @@ int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *dev) return 0; } + +static int mana_ib_create_eqs(struct mana_ib_dev *mdev) +{ + struct gdma_context *gc = mdev_to_gc(mdev); + struct gdma_queue_spec spec = {}; + int err; + + spec.type = GDMA_EQ; + spec.monitor_avl_buf = false; + spec.queue_size = EQ_SIZE; + spec.eq.callback = NULL; + spec.eq.context = mdev; + spec.eq.log2_throttle_limit = LOG2_EQ_THROTTLE; + spec.eq.msix_index = 0; + + err = mana_gd_create_mana_eq(&gc->mana_ib, &spec, &mdev->fatal_err_eq); + if (err) + return err; + + return 0; +} + +static void mana_ib_destroy_eqs(struct mana_ib_dev *mdev) +{ + if (!mdev->fatal_err_eq) + return; + + mana_gd_destroy_queue(mdev_to_gc(mdev), mdev->fatal_err_eq); + mdev->fatal_err_eq = NULL; +} + +void mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev) +{ + int err; + + err = mana_ib_create_eqs(mdev); + if (err) { + ibdev_err(&mdev->ib_dev, "Failed to create EQs for RNIC err %d", err); + goto cleanup; + } + + return; + +cleanup: + ibdev_warn(&mdev->ib_dev, + "RNIC is not available. Only RAW QPs are supported"); + mana_ib_destroy_eqs(mdev); +} + +void mana_ib_gd_destroy_rnic_adapter(struct mana_ib_dev *mdev) +{ + mana_ib_destroy_eqs(mdev); +} diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index 6a03ae6..a4b94ee 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -48,6 +48,7 @@ struct mana_ib_adapter_caps { struct mana_ib_dev { struct ib_device ib_dev; struct gdma_dev *gdma_dev; + struct gdma_queue *fatal_err_eq; struct mana_ib_adapter_caps adapter_caps; }; @@ -228,4 +229,8 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index, void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext); int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *mdev); + +void mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev); + +void mana_ib_gd_destroy_rnic_adapter(struct mana_ib_dev *mdev); #endif