1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
|
#!/usr/bin/env python
#
# Copyright 2018-2019 Raptor Engineering, LLC
# Released under the terms of the GPL v3
#
# Get current istep with
# busctl get-property org.openbmc.status.IPL /org/openbmc/status/IPL org.openbmc.status.IPL current_istep
# Get current status with
# busctl get-property org.openbmc.status.IPL /org/openbmc/status/IPL org.openbmc.status.IPL current_status
import gobject
import dbus
import dbus.service
import dbus.mainloop.glib
import re
import os
import subprocess
import time
import subprocess
import traceback
from binascii import hexlify
from fcntl import fcntl, F_GETFL, F_SETFL
from os import O_NONBLOCK, read
import obmc.dbuslib.propertycacher as PropertyCacher
from obmc.dbuslib.bindings import DbusProperties, DbusObjectManager, get_dbus
import obmc.enums
import obmc_system_config as System
import obmc.mapper.utils
import obmc.inventory
DBUS_NAME = 'org.openbmc.status.IPL'
OBJ_NAME = u'/org/openbmc/status/IPL'
IPL_FLAG_DIR = '/run/openbmc/'
IPL_FLAG_FILE = 'host@0-ipl-complete'
PORT81_SNOOP_FIFO = '/dev/aspeed-lpc-snoop0'
PORT82_SNOOP_FIFO = '/dev/aspeed-lpc-snoop1'
HOST_STATUS_RUNNING = "xyz.openbmc_project.State.Host.HostState.Running"
IPL_SBE_START_ISTEP_MAJOR = 0
IPL_SBE_START_ISTEP_MINOR = 1
IPL_SBE_DONE_ISTEP_MAJOR = 5
IPL_SBE_DONE_ISTEP_MINOR = 2
IPL_HOSTBOOT_START_ISTEP_MAJOR = 6
IPL_HOSTBOOT_START_ISTEP_MINOR = 0
IPL_COMPLETE_ISTEP_MAJOR = 21
IPL_COMPLETE_ISTEP_MINOR = 3
SKIBOOT_RUNNING_ISTEP_MAJOR = 192
SKIBOOT_RUNNING_ISTEP_MINOR = 12
KERNEL_RUNNING_ISTEP_MAJOR = 240
KERNEL_RUNNING_ISTEP_MINOR = 16
KERNEL_COMPLETE_ISTEP_MAJOR = 254
KERNEL_COMPLETE_ISTEP_MINOR = 254
class IPLStatus(DbusProperties, DbusObjectManager):
def __init__(self, bus, obj_name):
super(IPLStatus, self).__init__(
conn=bus,
object_path=obj_name)
self.bus = bus
self.prev_access_fail_count = 0
self.activateMonitoring = False
self.activateMonitoringPrev = False
self.last_status = ""
self.last_istep = ""
self.current_istep_major = 0
self.current_istep_minor = 0
self.port_81_fifo = None
self.port_82_fifo = None
if not os.path.exists(IPL_FLAG_DIR):
os.makedirs(IPL_FLAG_DIR)
host_state_dev = self.bus.get_object("xyz.openbmc_project.State.Host", u'/xyz/openbmc_project/state/host0')
host_state_iface = dbus.Interface(host_state_dev, 'org.freedesktop.DBus.Properties')
host_state_value = host_state_iface.Get("xyz.openbmc_project.State.Host", "CurrentHostState")
if host_state_value is not None:
power_ctrl_flag = self.getChassisPowerRequestFlag()
# FIXME
# If this service is restarted after the host has completed IPL, we have no way
# of knowing this. If the host has not completed IPL, then running the following
# commands will probably cause a system fault requiring manual intervention to clear
# (i.e. pflash -P GUARD -c once the second CPU faults out)
if power_ctrl_flag == 1:
self.current_istep_major = KERNEL_COMPLETE_ISTEP_MAJOR
self.current_istep_minor = KERNEL_COMPLETE_ISTEP_MAJOR
self.activateMonitoringPrev = True
self.activateMonitoring = True
if (host_state_value != HOST_STATUS_RUNNING) and (self.activateMonitoring == True):
host_state_iface.Set("xyz.openbmc_project.State.Host", "CurrentHostState", HOST_STATUS_RUNNING)
self.Set(DBUS_NAME, "current_istep", "")
self.Set(DBUS_NAME, "current_status", "UNKNOWN")
bus.add_signal_receiver(
self.HostStatusChangeHandler,
dbus_interface="org.freedesktop.DBus.Properties",
signal_name="PropertiesChanged",
path=u'/xyz/openbmc_project/state/host0')
gobject.timeout_add(50, self.readIPLStatus)
print "IPLStatus Init Done"
def getChassisPowerRequestFlag(self):
result = 0
try:
proc = subprocess.Popen(["i2cget -y 12 0x31 0x7"], stdout=subprocess.PIPE, stderr=open(os.devnull, 'wb'), shell=True)
(out, err) = proc.communicate()
result = (int(out, 16) & 2) >> 1
except:
pass
return result
def readIPLStatus(self):
try:
# Set up defaults
current_status = "OFFLINE"
current_istep = ""
sbe_istep_major = 0
sbe_istep_minor = 0
if (self.activateMonitoring == False):
# Publish offline status
if (self.last_status != current_status):
self.Set(DBUS_NAME, "current_status", current_status)
self.IPLStatusChanged(current_status)
self.last_status = current_status
if (self.last_istep != current_istep):
self.Set(DBUS_NAME, "current_istep", current_istep)
self.IPLStepChanged(current_istep)
self.last_istep = current_istep
self.activateMonitoringPrev = self.activateMonitoring
return True;
if (self.activateMonitoring == True) and (self.activateMonitoringPrev == False):
if (self.port_81_fifo is None):
self.port_81_fifo = os.open(PORT81_SNOOP_FIFO, os.O_RDONLY | os.O_NONBLOCK, 0);
if (self.port_82_fifo is None):
self.port_82_fifo = os.open(PORT82_SNOOP_FIFO, os.O_RDONLY | os.O_NONBLOCK, 0);
# Drain FIFOs
while True:
try:
os.read(self.port_81_fifo, 1)
except:
break
while True:
try:
os.read(self.port_82_fifo, 1)
except:
break
current_status = "IPL_RUNNING"
self.current_istep_major = IPL_SBE_START_ISTEP_MAJOR
self.current_istep_minor = IPL_SBE_START_ISTEP_MINOR
current_istep = str(self.current_istep_major) + "," + str(self.current_istep_minor)
self.Set(DBUS_NAME, "current_istep", current_istep)
self.IPLStepChanged(current_istep)
self.last_istep = current_istep
elif (self.activateMonitoring == False) and (self.activateMonitoringPrev == True):
# Close FIFOs if still open
if (self.port_81_fifo is not None):
os.close(self.port_81_fifo);
self.port_81_fifo = None;
if (self.port_82_fifo is not None):
os.close(self.port_82_fifo);
self.port_82_fifo = None;
self.current_istep_major = 0
self.current_istep_minor = 0
# Check for output
if (self.port_82_fifo is not None):
all_lines_processed = False
while all_lines_processed == False:
istep_major = None
istep_minor = None
try:
value = os.read(self.port_82_fifo, 1)
istep_minor = int(hexlify(value), 16)
except:
all_lines_processed = True
if not all_lines_processed:
try:
value = os.read(self.port_81_fifo, 1)
istep_major = int(hexlify(value), 16)
except:
all_lines_processed = True
if not all_lines_processed:
if (istep_major != None) and (istep_minor != None):
# Figure out system status
self.current_istep_major = istep_major
self.current_istep_minor = istep_minor
# Assemble status strings
current_istep = str(self.current_istep_major) + "," + str(self.current_istep_minor)
current_status = "OFFLINE"
if ((self.current_istep_major > 0) or (self.current_istep_minor > 0 )):
current_status = "IPL_RUNNING"
if (self.current_istep_major >= IPL_COMPLETE_ISTEP_MAJOR):
# Monitor remainder of IPL for completion
if (self.current_istep_major == KERNEL_COMPLETE_ISTEP_MAJOR) and (self.current_istep_minor == KERNEL_COMPLETE_ISTEP_MINOR):
current_status = "IPL_COMPLETE"
# Check for status changes
if (self.last_status != current_status):
if (current_status == "IPL_COMPLETE"):
# Signal systemd that IPL is complete
try:
with open(IPL_FLAG_DIR + IPL_FLAG_FILE, 'a'):
os.utime(IPL_FLAG_DIR + IPL_FLAG_FILE, None)
systemd_emit_dev = self.bus.get_object("org.freedesktop.systemd1", u"/org/freedesktop/systemd1")
systemd_emit_iface = dbus.Interface(systemd_emit_dev, 'org.freedesktop.systemd1.Manager')
systemd_emit_function = getattr(systemd_emit_iface, 'StartUnit')
systemd_emit_function.call_async('obmc-host-ipl-complete@0.target', 'replace')
except Exception as e:
pass
else:
try:
os.remove(IPL_FLAG_DIR + IPL_FLAG_FILE)
except:
pass
# Publish status
if (self.last_status != current_status):
self.Set(DBUS_NAME, "current_status", current_status)
self.IPLStatusChanged(current_status)
self.last_status = current_status
if (self.last_istep != current_istep):
self.Set(DBUS_NAME, "current_istep", current_istep)
self.IPLStepChanged(current_istep)
self.last_istep = current_istep
self.activateMonitoringPrev = self.activateMonitoring
return True
except Exception as e:
print(e)
traceback.print_exc()
self.activateMonitoringPrev = self.activateMonitoring
return True
def HostStatusChangeHandler(self, interface_name, changed_properties,
invalidated_properties):
value = changed_properties.get('CurrentHostState')
if value is not None:
if (value == HOST_STATUS_RUNNING):
self.activateMonitoring = True
else:
# Close FIFOs if still open
if (self.port_81_fifo is not None):
os.close(self.port_81_fifo);
self.port_81_fifo = None;
if (self.port_82_fifo is not None):
os.close(self.port_82_fifo);
self.port_82_fifo = None;
self.current_istep_major = 0
self.current_istep_minor = 0
# Remove IPL complete flag if present
try:
os.remove(IPL_FLAG_DIR + IPL_FLAG_FILE)
except:
pass
self.activateMonitoring = False
@dbus.service.method(DBUS_NAME, in_signature='', out_signature='s')
def getCurrentIPLStatus(self):
return self.Get(DBUS_NAME, "current_status")
@dbus.service.signal(DBUS_NAME)
def IPLStatusChanged(self, message):
# Signal is emitted on method return
pass
@dbus.service.method(DBUS_NAME, in_signature='', out_signature='s')
def getCurrentIPLIStep(self):
return self.Get(DBUS_NAME, "current_istep")
@dbus.service.signal(DBUS_NAME)
def IPLStepChanged(self, message):
# Signal is emitted on method return
pass
def NewObjectHandler(self, obj_path, iprops, bus_name=None):
current_istep = self.Get(DBUS_NAME, "current_istep")
if obj_path in System.EXIT_STATE_DEPEND[current_istep]:
print "New object: "+obj_path+" ("+bus_name+")"
if __name__ == '__main__':
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = get_dbus()
obj = IPLStatus(bus, OBJ_NAME)
mainloop = gobject.MainLoop()
obj.unmask_signals()
name = dbus.service.BusName(DBUS_NAME, bus)
print "Running IPLStatus"
mainloop.run()
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
|