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GET /api/patches/818543/?format=api
{ "id": 818543, "url": "http://patchwork.ozlabs.org/api/patches/818543/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/150642391353.3900.18119086556871785903.stgit@Misha-PC.lan02.inno/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<150642391353.3900.18119086556871785903.stgit@Misha-PC.lan02.inno>", "list_archive_url": null, "date": "2017-09-26T11:05:13", "name": "[12/43] windbg: send data and control packets", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "df2369e00a5f914d3b8fc49a929cdfe8a99017bf", "submitter": { "id": 71645, "url": "http://patchwork.ozlabs.org/api/people/71645/?format=api", "name": "Mikhail Abakumov", "email": "mikhail.abakumov@ispras.ru" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/150642391353.3900.18119086556871785903.stgit@Misha-PC.lan02.inno/mbox/", "series": [ { "id": 5104, "url": "http://patchwork.ozlabs.org/api/series/5104/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=5104", "date": "2017-09-26T11:04:06", "name": "Windbg supporting", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/5104/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/818543/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/818543/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3y1dbP0VNRz9t3Z\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 26 Sep 2017 21:12:49 +1000 (AEST)", "from localhost ([::1]:46729 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dwnnD-0001Nt-0I\n\tfor incoming@patchwork.ozlabs.org; Tue, 26 Sep 2017 07:12:47 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:59232)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnfz-0003l5-9s\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:20 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnfv-0000dT-V3\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:19 -0400", "from mail.ispras.ru ([83.149.199.45]:51840)\n\tby eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnfv-0000cI-OC\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:15 -0400", "from Misha-PC.lan02.inno (unknown [85.142.117.226])\n\tby mail.ispras.ru (Postfix) with ESMTPSA id 0CC595400A0;\n\tTue, 26 Sep 2017 14:05:15 +0300 (MSK)" ], "From": "Mihail Abakumov <mikhail.abakumov@ispras.ru>", "To": "qemu-devel@nongnu.org", "Date": "Tue, 26 Sep 2017 14:05:13 +0300", "Message-ID": "<150642391353.3900.18119086556871785903.stgit@Misha-PC.lan02.inno>", "In-Reply-To": "<150642384156.3900.3326424823772221077.stgit@Misha-PC.lan02.inno>", "References": "<150642384156.3900.3326424823772221077.stgit@Misha-PC.lan02.inno>", "User-Agent": "StGit/0.17.1-dirty", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 3.x [fuzzy]", "X-Received-From": "83.149.199.45", "Subject": "[Qemu-devel] [PATCH 12/43] windbg: send data and control packets", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "sw@weilnetz.de, lprosek@redhat.com, dovgaluk@ispras.ru,\n\trkagan@virtuozzo.com, pbonzini@redhat.com, den@openvz.org", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Added functions for send data and control packets to windbg.\n\nSigned-off-by: Mihail Abakumov <mikhail.abakumov@ispras.ru>\nSigned-off-by: Pavel Dovgalyuk <dovgaluk@ispras.ru>\nSigned-off-by: Dmitriy Koltunov <koltunov@ispras.ru>\n---\n windbgstub.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 56 insertions(+)", "diff": "diff --git a/windbgstub.c b/windbgstub.c\nindex 7bc3585e53..2ebc161e33 100755\n--- a/windbgstub.c\n+++ b/windbgstub.c\n@@ -57,6 +57,62 @@ typedef struct WindbgState {\n \n static WindbgState *windbg_state;\n \n+static uint32_t compute_checksum(uint8_t *data, uint16_t len)\n+{\n+ uint32_t checksum = 0;\n+ while (len) {\n+ --len;\n+ checksum += *data++;\n+ }\n+ return checksum;\n+}\n+\n+__attribute__ ((unused)) /* unused yet */\n+static void windbg_send_data_packet(uint8_t *data, uint16_t byte_count,\n+ uint16_t type)\n+{\n+ uint8_t trailing_byte = PACKET_TRAILING_BYTE;\n+\n+ KD_PACKET packet = {\n+ .PacketLeader = PACKET_LEADER,\n+ .PacketType = type,\n+ .ByteCount = byte_count,\n+ .PacketId = windbg_state->data_packet_id,\n+ .Checksum = compute_checksum(data, byte_count)\n+ };\n+\n+ packet.PacketType = lduw_p(&packet.PacketType);\n+ packet.ByteCount = lduw_p(&packet.ByteCount);\n+ packet.PacketId = ldl_p(&packet.PacketId);\n+ packet.Checksum = ldl_p(&packet.Checksum);\n+\n+ qemu_chr_fe_write(&windbg_state->chr, PTR(packet), sizeof(packet));\n+ qemu_chr_fe_write(&windbg_state->chr, data, byte_count);\n+ qemu_chr_fe_write(&windbg_state->chr, &trailing_byte,\n+ sizeof(trailing_byte));\n+\n+ windbg_state->data_packet_id ^= 1;\n+}\n+\n+__attribute__ ((unused)) /* unused yet */\n+static void windbg_send_control_packet(uint16_t type)\n+{\n+ KD_PACKET packet = {\n+ .PacketLeader = CONTROL_PACKET_LEADER,\n+ .PacketType = type,\n+ .ByteCount = 0,\n+ .PacketId = windbg_state->ctrl_packet_id,\n+ .Checksum = 0\n+ };\n+\n+ packet.PacketType = lduw_p(&packet.PacketType);\n+ packet.PacketId = ldl_p(&packet.PacketId);\n+\n+ qemu_chr_fe_write(&windbg_state->chr, PTR(packet), sizeof(packet));\n+\n+ windbg_state->ctrl_packet_id ^= 1;\n+}\n+\n static void windbg_ctx_handler(ParsingContext *ctx)\n {}\n \n", "prefixes": [ "12/43" ] }