From patchwork Sun Feb 7 20:34:04 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: 580061 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 98AD81402D2 for ; Mon, 8 Feb 2016 07:37:34 +1100 (AEDT) Received: from localhost ([::1]:37930 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aSW5M-0000HG-Mj for incoming@patchwork.ozlabs.org; Sun, 07 Feb 2016 15:37:32 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48141) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aSW2l-0003rA-2T for qemu-devel@nongnu.org; Sun, 07 Feb 2016 15:34:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aSW2h-00077L-OI for qemu-devel@nongnu.org; Sun, 07 Feb 2016 15:34:50 -0500 Received: from smtp2-g21.free.fr ([2a01:e0c:1:1599::11]:41152) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aSW2h-00076n-HL; Sun, 07 Feb 2016 15:34:47 -0500 Received: from localhost.localdomain (unknown [82.227.227.196]) by smtp2-g21.free.fr (Postfix) with ESMTP id 8497A4B0126; Sun, 7 Feb 2016 21:32:15 +0100 (CET) From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= To: qemu-devel@nongnu.org Date: Sun, 7 Feb 2016 21:34:04 +0100 Message-Id: <1454877256-22138-2-git-send-email-hpoussin@reactos.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1454877256-22138-1-git-send-email-hpoussin@reactos.org> References: <1454877256-22138-1-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::11 Cc: qemu-ppc@nongnu.org, Alyssa Milburn , Mark Cave-Ayland , Alexander Graf , =?UTF-8?q?Herv=C3=A9=20Poussineau?= Subject: [Qemu-devel] [PATCH v2 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Next commits will port existing CUDA commands to this framework. Signed-off-by: Hervé Poussineau --- 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 316c1ac..8659dc3 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -535,13 +535,47 @@ 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);