From mboxrd@z Thu Jan 1 00:00:00 1970 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 From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= Date: Sat, 23 Jan 2016 21:39:58 +0100 Message-Id: <1453581610-23179-2-git-send-email-hpoussin@reactos.org> 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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH 01/13] cuda: add a framework to handle commands List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Mark Cave-Ayland , Alexander Graf , Alyssa Milburn , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , qemu-ppc@nongnu.org, David Gibson Next commits will port existing CUDA commands to this framework. Signed-off-by: Herv=C3=A9 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 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)); } =20 +/* 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[] =3D { +}; + static void cuda_receive_packet(CUDAState *s, const uint8_t *data, int len) { uint8_t obuf[16] =3D { CUDA_PACKET, 0, data[0] }; int autopoll; + int i, out_len =3D 0; uint32_t ti; =20 + for (i =3D 0; i < ARRAY_SIZE(handlers); i++) { + const CudaCommand *desc =3D &handlers[i]; + if (desc->command =3D=3D data[0]) { + CUDA_DPRINTF("handling command %s\n", desc->name); + out_len =3D 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] =3D ERROR_PACKET; + obuf[1] =3D 0x5; /* bad parameters */ + obuf[2] =3D CUDA_PACKET; + obuf[3] =3D data[0]; + cuda_send_packet_to_host(s, obuf, 4); + } + return; + } + } + switch(data[0]) { case CUDA_AUTOPOLL: autopoll =3D (data[1] !=3D 0); --=20 2.1.4