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[Qemu-devel] [RFC PATCH 02/26] sdcard: add a Python qtest
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-devel] [RFC PATCH 02/26] sdcard: add a Python qtest |
Date: |
Wed, 13 Dec 2017 20:20:01 -0300 |
Use Python to write high-level SD commands.
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
tests/Makefile.include | 2 +
tests/sdcard_tests.py | 172 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 174 insertions(+)
create mode 100755 tests/sdcard_tests.py
diff --git a/tests/Makefile.include b/tests/Makefile.include
index 13673f6d1d..4a1afcb499 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -355,8 +355,10 @@ check-qtest-arm-y += tests/virtio-blk-test$(EXESUF)
gcov-files-arm-y += arm-softmmu/hw/block/virtio-blk.c
check-qtest-arm-y += tests/test-arm-mptimer$(EXESUF)
gcov-files-arm-y += hw/timer/arm_mptimer.c
+check-qtest-arm-y += tests/sdcard_tests.py
check-qtest-aarch64-y = tests/numa-test$(EXESUF)
+check-qtest-aarch64-y += tests/sdcard_tests.py
check-qtest-microblazeel-y = $(check-qtest-microblaze-y)
diff --git a/tests/sdcard_tests.py b/tests/sdcard_tests.py
new file mode 100755
index 0000000000..033b756cf1
--- /dev/null
+++ b/tests/sdcard_tests.py
@@ -0,0 +1,172 @@
+#!/usr/bin/env python
+#
+# Tests for the SD-Bus protocol
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import os
+import base64
+import struct
+import binascii
+import logging
+
+import qtest
+
+
+# CMD
+(GO_IDLE_STATE, SEND_OP_CMD, ALL_SEND_CID, SEND_RELATIVE_ADDR, # 0 ...
+SEND_DSR, CMD5, SWITCH_FUNCTION, CMD7,
+SEND_IF_COND, SEND_CSD, SEND_CID, READ_DAT_UNTIL_STOP, # 8 ...
+STOP_TRANSMISSION, SEND_STATUS, CMD14, GO_INACTIVE_STATE,
+SET_BLOCKLEN, READ_SINGLE_BLOCK, READ_MULTIPLE_BLOCK, CMD19, # 16 ...
+CMD20, CMD21, CMD22, SET_BLOCK_COUNT,
+WRITE_SINGLE_BLOCK, WRITE_MULTIPLE_BLOCK, PROGRAM_CID, PROGRAM_CSD, # 24 ...
+SET_WRITE_PROT, CLR_WRITE_PROT, SEND_WRITE_PROT, CMD31,
+ERASE_WR_BLK_START, ERASE_WR_BLK_END, CMD34, CMD35, # 32 ...
+CMD36, CMD37, ERASE, CMD39,
+CMD40, CMD41, LOCK_UNLOCK, CMD43,
+CMD44, CMD45, CMD46, CMD47,
+CMD48, CMD49, CMD50, CMD51,
+CMD52, CMD53, CMD54, APP_CMD,
+GEN_CMD,) = range(57)
+
+# ACMD
+SET_BUS_WIDTH = 6
+SD_STATUS = 13
+SEND_NUM_WR_BLOCKS = 22
+SET_WR_BLK_ERASE_COUNT = 23
+SD_APP_OP_COND = 41
+SET_CLR_CARD_DETECT = 42
+SEND_SCR = 51
+
+
+class SDBus(object):
+ def __init__(self, vm, qom_path, verbose=False):
+ self.vm = vm
+ self.path = qom_path
+ self.verbose = verbose
+
+ def do_cmd(self, command, arg=0, verbose=None):
+ assert command < 64
+ if verbose is None:
+ verbose = self.verbose
+
+ data = self.vm.qmp('sdbus-command', qom_path=self.path,
command=command,
+ arg=arg)['return']
+ if 'base64' in data:
+ data = base64.b64decode(data['base64'])
+ logging.info("CMD#%02d -> %s" % (command, binascii.hexlify(data)))
+ else:
+ logging.info("CMD#%02d -> (none)" % (command))
+ data = None
+ return data
+
+ def do_acmd(self, command, arg=0, verbose=None):
+ self.do_cmd(APP_CMD, verbose=False)
+ return self.do_cmd(command, arg, verbose if verbose else self.verbose)
+
+
+def sdbus_get_qom_path(vm, bus=0):
+ qom_paths = []
+
+ result = vm.qmp('query-block')
+ for block in result['return']:
+ if not 'qdev' in block:
+ continue
+ d = vm.qmp('qom-get', path=block['qdev'], property="parent_bus")
+ qom_paths += [d['return']]
+ assert len(qom_paths) > 0
+
+ return qom_paths[bus]
+
+
+# dumb helper
+def l(buf):
+ return struct.unpack("<L", buf)[0]
+
+
+class TestSdCardSpecV2(qtest.QMPTestCase):
+ def setUp(self):
+ self.vm = qtest.createQtestMachine()
+
+ self.vm._args.append('-drive')
+ self.vm._args.append("id=testcard,driver=null-co,if=sd")
+ self.vm._args.append("-machine")
+ self.vm._args.append("xilinx-zynq-a9")
+ self.vm.launch()
+
+ bus_path = sdbus_get_qom_path(self.vm)
+ self.bus = SDBus(self.vm, bus_path, True)
+
+ def tearDown(self):
+ self.vm.shutdown()
+
+ def test_power_on_v2(self):
+
+ self.bus.do_cmd(GO_IDLE_STATE)
+
+ # get voltages
+ for i in range(6):
+ vhs = 1 << (8 + i)
+ data = self.bus.do_cmd(SEND_IF_COND, vhs)
+ v = l(data)
+ self.assertNotEqual(v, 0)
+ self.assertEqual(vhs, v >> 8)
+
+ # get OCR
+ data = self.bus.do_acmd(SD_APP_OP_COND)
+ v = l(data)
+ ocr = (v >> 8) & 0xffff
+ s1_8 = (v >> 24) & 1
+ uhs_ii = (v >> 29) & 1
+ ccs = (v >> 30) & 1
+ init = (v >> 31) & 1
+ # all those are null for v2.00
+ self.assertEqual(s1_8, 0)
+ self.assertEqual(uhs_ii, 0)
+ self.assertEqual(ccs, 0)
+ self.assertEqual(init, 0)
+
+ # ocr << 8
+ # 0 << 24 # use current voltage
+ # 0 << 28 # powersave
+ # 0 << 30 # SDSC
+ data = self.bus.do_acmd(SD_APP_OP_COND, ocr << 8)
+ v = l(data)
+ # check OCR accepted
+ self.assertEqual(ocr, v >> 8)
+
+ # check CID
+ data = self.bus.do_cmd(ALL_SEND_CID)
+ oid, pnm, psn = struct.unpack(">x2s5sxLxxx", data)
+ self.assertEqual(oid, "XY") # QEMU default
+ self.assertEqual(pnm, "QEMU!") # QEMU default
+ self.assertEqual(psn, 0xdeadbeef) # QEMU default
+
+ # check non null RCA
+ data = self.bus.do_cmd(SEND_RELATIVE_ADDR)
+ rca, = struct.unpack(">H", data[:2])
+ self.assertNotEqual(rca, 0)
+
+ self.assertEqual(rca, 0x4567) # QEMU default
+
+ # check for new RCA
+ data = self.bus.do_cmd(SEND_RELATIVE_ADDR)
+ new_rca, = struct.unpack(">H", data[:2])
+ self.assertNotEqual(new_rca, rca)
+
+
+if __name__ == '__main__':
+ qtest.main(supported_machines=['xilinx-zynq-a9'])
--
2.15.1
[Qemu-devel] [RFC PATCH 02/26] sdcard: add a Python qtest,
Philippe Mathieu-Daudé <=
[Qemu-devel] [PATCH 03/26] sdcard: use ldst API, Philippe Mathieu-Daudé, 2017/12/13
[Qemu-devel] [PATCH 04/26] sdcard: replace fprintf() -> qemu_log_mask(), Philippe Mathieu-Daudé, 2017/12/13
[Qemu-devel] [PATCH 05/26] sdcard: rename sd_set_mode() -> sd_update_mode(), Philippe Mathieu-Daudé, 2017/12/13
[Qemu-devel] [PATCH 06/26] sdcard: add sd_set_mode(), Philippe Mathieu-Daudé, 2017/12/13
[Qemu-devel] [PATCH 07/26] sdcard: add sdcard_set_mode() trace event, Philippe Mathieu-Daudé, 2017/12/13
[Qemu-devel] [PATCH 08/26] sdcard: add sd_set_state(), Philippe Mathieu-Daudé, 2017/12/13
[Qemu-devel] [PATCH 10/26] sdcard: use more detailled state/mode trace events, Philippe Mathieu-Daudé, 2017/12/13
[Qemu-devel] [PATCH 09/26] sdcard: add a sdcard_set_state() trace event, Philippe Mathieu-Daudé, 2017/12/13
[Qemu-devel] [PATCH 11/26] sdcard: use warn_report() instead of fprintf(), Philippe Mathieu-Daudé, 2017/12/13