From patchwork Tue Apr 21 17:32:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Hemminger X-Patchwork-Id: 4423 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id A9DF5C3DE; Tue, 21 Apr 2015 19:32:55 +0200 (CEST) Received: from mail-pa0-f44.google.com (mail-pa0-f44.google.com [209.85.220.44]) by dpdk.org (Postfix) with ESMTP id 7FC5CC35C for ; Tue, 21 Apr 2015 19:32:49 +0200 (CEST) Received: by paboj16 with SMTP id oj16so247290208pab.0 for ; Tue, 21 Apr 2015 10:32:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ULOYm/4/BqbNhP5pukMkE7QCBncB8PC8f1vW39WitTI=; b=h4489T0MjC7Zbe0qocu+2D1LzKC5Qc5G4qj6tkYFwd76hVwq1LE0+UQrA+qkaW27bD qp7eHKraikrVbMCUbpn33Pzr8R91JxM2pOQ90/3LedoP0S7CwA1p7qDsXbrxHIJxJMEz 8JktJ/gy8k12QOJefdEEsA++BJierx8i4tqTufnv/NUAeE3XNizPdrNUsnJ8oA1qrjbG 6MJTm74PMPX8bU3L1DWjSI2UvYaUod+NVWM7exvZKWx6sdKKn4I/7z2EC9wg+GZA6jLo 8HAaoHvW5OOQJSjz4exaZDPfOB+bKISMCXoI6XvgRJXtolOZJNBM3HkCY8/ac/k6dQ+o 5jYw== X-Gm-Message-State: ALoCoQnCa1xs72eiwmBGiGeY2sx4M1bZOdv96yoL8JspKVaq5v+4E+X/t5EpWfweenmmcwx7/QiF X-Received: by 10.66.216.40 with SMTP id on8mr39251480pac.27.1429637568942; Tue, 21 Apr 2015 10:32:48 -0700 (PDT) Received: from urahara.home.lan (static-50-53-82-155.bvtn.or.frontiernet.net. [50.53.82.155]) by mx.google.com with ESMTPSA id qz3sm2674040pab.13.2015.04.21.10.32.48 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 21 Apr 2015 10:32:48 -0700 (PDT) From: Stephen Hemminger To: alexmay@microsoft.com Date: Tue, 21 Apr 2015 10:32:44 -0700 Message-Id: <1429637564-5656-8-git-send-email-stephen@networkplumber.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1429637564-5656-1-git-send-email-stephen@networkplumber.org> References: <1429637564-5656-1-git-send-email-stephen@networkplumber.org> Cc: dev@dpdk.org, Stephen Hemminger Subject: [dpdk-dev] [PATCH v4 7/7] hv: add kernel patch X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Stephen Hemminger For users using non latest kernels, put kernel patch in for them to use. Signed-off-by: Stephen Hemminger --- .../linuxapp/hv_uio/vmbus-get-pages.patch | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch diff --git a/lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch b/lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch new file mode 100644 index 0000000..ae27fbd --- /dev/null +++ b/lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch @@ -0,0 +1,55 @@ +hyper-v: allow access to vmbus from userspace driver + +This is patch from to allow access to hyper-v vmbus from UIO driver. + +Signed-off-by: Stas Egorov +Signed-off-by: Stephen Hemminger + +--- +v2 - simplify and rename to vmbus_get_monitor_pages + + drivers/hv/connection.c | 20 +++++++++++++++++--- + include/linux/hyperv.h | 3 +++ + 2 files changed, 20 insertions(+), 3 deletions(-) + +--- a/drivers/hv/connection.c 2015-02-03 10:58:51.751752450 -0800 ++++ b/drivers/hv/connection.c 2015-02-04 14:59:51.636194383 -0800 +@@ -64,6 +64,15 @@ static __u32 vmbus_get_next_version(__u3 + } + } + ++void vmbus_get_monitor_pages(unsigned long *int_page, ++ unsigned long monitor_pages[2]) ++{ ++ *int_page = (unsigned long)vmbus_connection.int_page; ++ monitor_pages[0] = (unsigned long)vmbus_connection.monitor_pages[0]; ++ monitor_pages[1] = (unsigned long)vmbus_connection.monitor_pages[1]; ++} ++EXPORT_SYMBOL_GPL(vmbus_get_monitor_pages); ++ + static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, + __u32 version) + { +@@ -347,10 +356,7 @@ static void process_chn_event(u32 relid) + else + bytes_to_read = 0; + } while (read_state && (bytes_to_read != 0)); +- } else { +- pr_err("no channel callback for relid - %u\n", relid); + } +- + } + + /* +--- a/include/linux/hyperv.h 2015-02-03 10:58:51.751752450 -0800 ++++ b/include/linux/hyperv.h 2015-02-04 15:00:26.388355012 -0800 +@@ -868,6 +868,9 @@ extern int vmbus_recvpacket_raw(struct v + + extern void vmbus_ontimer(unsigned long data); + ++extern void vmbus_get_monitor_pages(unsigned long *int_page, ++ unsigned long monitor_pages[2]); ++ + /* Base driver object */ + struct hv_driver { + const char *name;