From patchwork Sat Jan 23 20:39:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Herv=C3=A9_Poussineau?= X-Patchwork-Id: 8098041 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0E2BBBEEED for ; Sat, 23 Jan 2016 20:43:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 75AA72034C for ; Sat, 23 Jan 2016 20:43:02 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B4FB620389 for ; Sat, 23 Jan 2016 20:43:01 +0000 (UTC) Received: from localhost ([::1]:58455 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aN51R-0001J7-3H for patchwork-qemu-devel@patchwork.kernel.org; Sat, 23 Jan 2016 15:43:01 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42235) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aN4zc-00067z-SG for qemu-devel@nongnu.org; Sat, 23 Jan 2016 15:41:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aN4za-0005S7-7C for qemu-devel@nongnu.org; Sat, 23 Jan 2016 15:41:08 -0500 Received: from smtp5-g21.free.fr ([2a01:e0c:1:1599::14]:57198) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aN4za-0005RV-1V; Sat, 23 Jan 2016 15:41:06 -0500 Received: from localhost.localdomain (unknown [78.230.185.200]) by smtp5-g21.free.fr (Postfix) with ESMTP id 2173DD48054; Sat, 23 Jan 2016 21:39:20 +0100 (CET) From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= To: qemu-devel@nongnu.org Date: Sat, 23 Jan 2016 21:39:58 +0100 Message-Id: <1453581610-23179-2-git-send-email-hpoussin@reactos.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1453581610-23179-1-git-send-email-hpoussin@reactos.org> References: <1453581610-23179-1-git-send-email-hpoussin@reactos.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Windows NT kernel [generic] [fuzzy] X-Received-From: 2a01:e0c:1:1599::14 Cc: Mark Cave-Ayland , Alexander Graf , Alyssa Milburn , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , qemu-ppc@nongnu.org, David Gibson Subject: [Qemu-devel] [PATCH 01/13] cuda: add a framework to handle commands X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Next commits will port existing CUDA commands to this framework. Signed-off-by: Hervé Poussineau Reviewed-by: David Gibson --- hw/misc/macio/cuda.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index 9db4c64..69f69c2 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -534,13 +534,47 @@ static void cuda_adb_poll(void *opaque) (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ)); } +/* description of commands */ +typedef struct CudaCommand { + uint8_t command; + const char *name; + bool (*handler)(CUDAState *s, + const uint8_t *in_args, int in_len, + uint8_t *out_args, int *out_len); +} CudaCommand; + +static const CudaCommand handlers[] = { +}; + static void cuda_receive_packet(CUDAState *s, const uint8_t *data, int len) { uint8_t obuf[16] = { CUDA_PACKET, 0, data[0] }; int autopoll; + int i, out_len = 0; uint32_t ti; + for (i = 0; i < ARRAY_SIZE(handlers); i++) { + const CudaCommand *desc = &handlers[i]; + if (desc->command == data[0]) { + CUDA_DPRINTF("handling command %s\n", desc->name); + out_len = 0; + if (desc->handler(s, data + 1, len - 1, obuf + 3, &out_len)) { + cuda_send_packet_to_host(s, obuf, 3 + out_len); + } else { + qemu_log_mask(LOG_GUEST_ERROR, + "CUDA: %s: wrong parameters %d\n", + desc->name, len); + obuf[0] = ERROR_PACKET; + obuf[1] = 0x5; /* bad parameters */ + obuf[2] = CUDA_PACKET; + obuf[3] = data[0]; + cuda_send_packet_to_host(s, obuf, 4); + } + return; + } + } + switch(data[0]) { case CUDA_AUTOPOLL: autopoll = (data[1] != 0);