From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968619AbcA1E40 (ORCPT ); Wed, 27 Jan 2016 23:56:26 -0500 Received: from p3plsmtps2ded04.prod.phx3.secureserver.net ([208.109.80.198]:39571 "EHLO p3plsmtps2ded04.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161562AbcA1ExV (ORCPT ); Wed, 27 Jan 2016 23:53:21 -0500 x-originating-ip: 72.167.245.219 From: "K. Y. Srinivasan" To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com Cc: Dexuan Cui , "K. Y. Srinivasan" Subject: [PATCH V2 08/13] Drivers: hv: vmbus: define a new VMBus message type for hvsock Date: Wed, 27 Jan 2016 22:29:40 -0800 Message-Id: <1453962585-32069-8-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1453962585-32069-1-git-send-email-kys@microsoft.com> References: <1453962559-32028-1-git-send-email-kys@microsoft.com> <1453962585-32069-1-git-send-email-kys@microsoft.com> X-CMAE-Envelope: MS4wfPkj92qegPvWL87g9KE57urpYp4DHUyShOiBtDB4IlWF0gL7pjBrZQ33saaJPRk+mIuIrx3YnY11omrkQDBzRQ8dDeN5i5JT/wZWYHaDLW3pSiDEGUNJ rjICCtTAlgR5n/QQBqIFk8caCGmWENezFMZ8vN0BSe8Z6uwa8V2Oc1ZXP2vibt9ky5yoHSh8SDlkfNkKsXzjh8sw6nTn96xatx8DT8XPA+UJjs/2MogTmsx/ 1/mXuYFkMp5MMYGa7vqe1l/4E3ZCzASunmsgem18fyLKSe+CcYoKIHpLXJfFDCABKpOkpgkvGpFZH6V238dTdv14y521/iazARZ9H9L5Rhvs2YPmSClTOyjX mHqTslF4f6qAwTDx/bQxeAJYGs83fYV96WkfKvQnwPkgnkl7JCr9WYOcoMEbW4DFI2KPzAC/MUrGP67w+8pqzoOx+l7ExQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dexuan Cui A function to send the type of message is also added. The coming net/hvsock driver will use this function to proactively request the host to offer a VMBus channel for a new hvsock connection. Signed-off-by: Dexuan Cui Signed-off-by: K. Y. Srinivasan --- drivers/hv/channel.c | 15 +++++++++++++++ drivers/hv/channel_mgmt.c | 4 ++++ include/linux/hyperv.h | 13 +++++++++++++ 3 files changed, 32 insertions(+), 0 deletions(-) diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 3f04533..fcab234 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -219,6 +219,21 @@ error0: } EXPORT_SYMBOL_GPL(vmbus_open); +/* Used for Hyper-V Socket: a guest client's connect() to the host */ +int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id, + const uuid_le *shv_host_servie_id) +{ + struct vmbus_channel_tl_connect_request conn_msg; + + memset(&conn_msg, 0, sizeof(conn_msg)); + conn_msg.header.msgtype = CHANNELMSG_TL_CONNECT_REQUEST; + conn_msg.guest_endpoint_id = *shv_guest_servie_id; + conn_msg.host_service_id = *shv_host_servie_id; + + return vmbus_post_msg(&conn_msg, sizeof(conn_msg)); +} +EXPORT_SYMBOL_GPL(vmbus_send_tl_connect_request); + /* * create_gpadl_header - Creates a gpadl for the specified buffer */ diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index d6c6114..60ca25b 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -958,6 +958,10 @@ struct vmbus_channel_message_table_entry {CHANNELMSG_VERSION_RESPONSE, 1, vmbus_onversion_response}, {CHANNELMSG_UNLOAD, 0, NULL}, {CHANNELMSG_UNLOAD_RESPONSE, 1, vmbus_unload_response}, + {CHANNELMSG_18, 0, NULL}, + {CHANNELMSG_19, 0, NULL}, + {CHANNELMSG_20, 0, NULL}, + {CHANNELMSG_TL_CONNECT_REQUEST, 0, NULL}, }; /* diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 79c4aa7..898eac9 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -392,6 +392,10 @@ enum vmbus_channel_message_type { CHANNELMSG_VERSION_RESPONSE = 15, CHANNELMSG_UNLOAD = 16, CHANNELMSG_UNLOAD_RESPONSE = 17, + CHANNELMSG_18 = 18, + CHANNELMSG_19 = 19, + CHANNELMSG_20 = 20, + CHANNELMSG_TL_CONNECT_REQUEST = 21, CHANNELMSG_COUNT }; @@ -562,6 +566,13 @@ struct vmbus_channel_initiate_contact { u64 monitor_page2; } __packed; +/* Hyper-V socket: guest's connect()-ing to host */ +struct vmbus_channel_tl_connect_request { + struct vmbus_channel_message_header header; + uuid_le guest_endpoint_id; + uuid_le host_service_id; +} __packed; + struct vmbus_channel_version_response { struct vmbus_channel_message_header header; u8 version_supported; @@ -1283,4 +1294,6 @@ void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid); extern __u32 vmbus_proto_version; +int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id, + const uuid_le *shv_host_servie_id); #endif /* _HYPERV_H */ -- 1.7.4.1