From patchwork Mon Oct 17 19:20:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Long Li X-Patchwork-Id: 13009330 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 61828C433FE for ; Mon, 17 Oct 2022 19:21:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231279AbiJQTVX (ORCPT ); Mon, 17 Oct 2022 15:21:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231128AbiJQTVC (ORCPT ); Mon, 17 Oct 2022 15:21:02 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 03F4274B9B; Mon, 17 Oct 2022 12:20:56 -0700 (PDT) Received: by linux.microsoft.com (Postfix, from userid 1004) id 64A9420FE028; Mon, 17 Oct 2022 12:20:56 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 64A9420FE028 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxonhyperv.com; s=default; t=1666034456; bh=A8fxUD/nTCAqIoM1mcUZ00zFIWg8IfK6iVDQEpa0CEo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:Reply-To:From; b=l9NkBblHyXCR+bOA3ZQItM0wEvL6Bt2uBjYQwFtIo8wcnSrBDHg3LN5aOK2R5pNex qzRE93yMzULau694eLtSnwxB4VJm4sbLPNRjYQq+mlWFfyYlIWgv/NXiSveBD5eqi1 zZOV4Jkh0S9d3l4pMDxgCZGA1959E7dCDRSCkBdU= From: longli@linuxonhyperv.com To: "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Jason Gunthorpe , Leon Romanovsky , edumazet@google.com, shiraz.saleem@intel.com, Ajay Sharma Cc: linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, Long Li Subject: [Patch v7 10/12] net: mana: Define data structures for allocating doorbell page from GDMA Date: Mon, 17 Oct 2022 12:20:39 -0700 Message-Id: <1666034441-15424-11-git-send-email-longli@linuxonhyperv.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1666034441-15424-1-git-send-email-longli@linuxonhyperv.com> References: <1666034441-15424-1-git-send-email-longli@linuxonhyperv.com> Reply-To: longli@microsoft.com Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Long Li The RDMA device needs to allocate doorbell pages for each user context. Define the GDMA data structures for use by the RDMA driver. Reviewed-by: Dexuan Cui Signed-off-by: Long Li Acked-by: Haiyang Zhang --- Change log: v4: use EXPORT_SYMBOL_NS v7: move mana_gd_allocate_doorbell_page() and mana_gd_destroy_doorbell_page() to the RDMA driver include/net/mana/gdma.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index a9b7930dfbf8..bc060b6fa54c 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -24,11 +24,15 @@ enum gdma_request_type { GDMA_GENERATE_TEST_EQE = 10, GDMA_CREATE_QUEUE = 12, GDMA_DISABLE_QUEUE = 13, + GDMA_ALLOCATE_RESOURCE_RANGE = 22, + GDMA_DESTROY_RESOURCE_RANGE = 24, GDMA_CREATE_DMA_REGION = 25, GDMA_DMA_REGION_ADD_PAGES = 26, GDMA_DESTROY_DMA_REGION = 27, }; +#define GDMA_RESOURCE_DOORBELL_PAGE 27 + enum gdma_queue_type { GDMA_INVALID_QUEUE, GDMA_SQ, @@ -587,6 +591,26 @@ struct gdma_register_device_resp { u32 db_id; }; /* HW DATA */ +struct gdma_allocate_resource_range_req { + struct gdma_req_hdr hdr; + u32 resource_type; + u32 num_resources; + u32 alignment; + u32 allocated_resources; +}; + +struct gdma_allocate_resource_range_resp { + struct gdma_resp_hdr hdr; + u32 allocated_resources; +}; + +struct gdma_destroy_resource_range_req { + struct gdma_req_hdr hdr; + u32 resource_type; + u32 num_resources; + u32 allocated_resources; +}; + /* GDMA_CREATE_QUEUE */ struct gdma_create_queue_req { struct gdma_req_hdr hdr; @@ -695,4 +719,5 @@ void mana_gd_free_memory(struct gdma_mem_info *gmi); int mana_gd_send_request(struct gdma_context *gc, u32 req_len, const void *req, u32 resp_len, void *resp); + #endif /* _GDMA_H */