From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 578D6326D5E; Sat, 7 Mar 2026 01:47:34 +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=1772848055; cv=none; b=s2GeOtIr69e/3yFHbHuSMZT7PwlZAGmOoJeZ1cOFzFD9OB2rRi8kt7lAYyCcFAAgn7c4Ppgdiw+vt7O7XDA+1d6T3h9/dOpVKLYgKkWodYu21V7dLAqlPFfOM5vDrnmF4r49Nhtlf7rSEFmG4kBy74sp83zKZbhzmePLpFGcUSE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772848055; c=relaxed/simple; bh=aYTEd3CmO8Tw/gVgrDcwvd9TdGAkXQIZw/u3qNWEaW0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DG+wHr6H4nsYN9jDIfpG3BaNpI06n8OLr33eeC7nWoEniZ6hS4URoOFtD9K1jiXbEethdVhNPrL3R15ruDAk71MybyBGd+2vnzMjObuERN6rqWEXDscd0+I9OXBGdCsFnGzrIyn/G8ogonCYGwTYnKQeN+L8iDbensn8FkmqsuE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Received: by linux.microsoft.com (Postfix, from userid 1202) id 2FB3A20B6F0A; Fri, 6 Mar 2026 17:47:34 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2FB3A20B6F0A From: Long Li To: Long Li , Konstantin Taranov , Jakub Kicinski , "David S . Miller" , Paolo Abeni , Eric Dumazet , Andrew Lunn , Jason Gunthorpe , Leon Romanovsky , Haiyang Zhang , "K . Y . Srinivasan" , Wei Liu , Dexuan Cui Cc: Simon Horman , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH rdma-next 2/8] RDMA/mana_ib: Track PD per ucontext Date: Fri, 6 Mar 2026 17:47:16 -0800 Message-ID: <20260307014723.556523-3-longli@microsoft.com> X-Mailer: git-send-email 2.43.7 In-Reply-To: <20260307014723.556523-1-longli@microsoft.com> References: <20260307014723.556523-1-longli@microsoft.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add per-ucontext list tracking for PD objects. Each PD is added to the ucontext's pd_list on creation and removed on destruction. This enables iterating over all PDs belonging to a ucontext, which will be needed for service reset cleanup. Signed-off-by: Long Li --- drivers/infiniband/hw/mana/main.c | 21 +++++++++++++++++++++ drivers/infiniband/hw/mana/mana_ib.h | 2 ++ 2 files changed, 23 insertions(+) diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index fc28bdafcfd6..62d89ca06ba1 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -72,6 +72,7 @@ int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) struct ib_device *ibdev = ibpd->device; struct gdma_create_pd_resp resp = {}; struct gdma_create_pd_req req = {}; + struct mana_ib_ucontext *mana_ucontext; enum gdma_pd_flags flags = 0; struct mana_ib_dev *dev; struct gdma_context *gc; @@ -107,6 +108,16 @@ int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) mutex_init(&pd->vport_mutex); pd->vport_use_count = 0; + + INIT_LIST_HEAD(&pd->ucontext_list); + if (udata) { + mana_ucontext = rdma_udata_to_drv_context(udata, + struct mana_ib_ucontext, ibucontext); + mutex_lock(&mana_ucontext->lock); + list_add_tail(&pd->ucontext_list, &mana_ucontext->pd_list); + mutex_unlock(&mana_ucontext->lock); + } + return 0; } @@ -123,6 +134,15 @@ int mana_ib_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) dev = container_of(ibdev, struct mana_ib_dev, ib_dev); gc = mdev_to_gc(dev); + if (udata) { + struct mana_ib_ucontext *mana_ucontext = + rdma_udata_to_drv_context(udata, + struct mana_ib_ucontext, ibucontext); + mutex_lock(&mana_ucontext->lock); + list_del_init(&pd->ucontext_list); + mutex_unlock(&mana_ucontext->lock); + } + mana_gd_init_req_hdr(&req.hdr, GDMA_DESTROY_PD, sizeof(req), sizeof(resp)); @@ -222,6 +242,7 @@ int mana_ib_alloc_ucontext(struct ib_ucontext *ibcontext, ucontext->doorbell = doorbell_page; mutex_init(&ucontext->lock); + INIT_LIST_HEAD(&ucontext->pd_list); mutex_lock(&mdev->ucontext_lock); list_add_tail(&ucontext->dev_list, &mdev->ucontext_list); diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index c7e333d3e9d8..6dba08bccc18 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -107,6 +107,7 @@ struct mana_ib_pd { bool tx_shortform_allowed; u32 tx_vp_offset; + struct list_head ucontext_list; }; struct mana_ib_av { @@ -203,6 +204,7 @@ struct mana_ib_ucontext { struct list_head dev_list; /* Protects resource lists below */ struct mutex lock; + struct list_head pd_list; }; struct mana_ib_rwq_ind_table { -- 2.43.0