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
|
# Copyright 2015 Lenovo
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import struct
import traceback
import pyghmi.ipmi.command as ipmicommand
import pyghmi.ipmi.console as console
import pyghmi.ipmi.private.serversession as serversession
import pyghmi.ipmi.private.session as ipmisession
__author__ = 'jjohnson2@lenovo.com'
class Bmc(serversession.IpmiServer):
activated = False
sol = None
iohandler = None
def get_system_guid(self):
raise NotImplementedError
def cold_reset(self):
raise NotImplementedError
def power_off(self):
raise NotImplementedError
def power_on(self):
raise NotImplementedError
def power_cycle(self):
raise NotImplementedError
def power_reset(self):
raise NotImplementedError
def pulse_diag(self):
raise NotImplementedError
def power_shutdown(self):
raise NotImplementedError
def get_power_state(self):
raise NotImplementedError
def is_active(self):
raise NotImplementedError
def activate_payload(self, request, session):
if self.iohandler is None:
session.send_ipmi_response(code=0x81)
elif not self.is_active():
session.send_ipmi_response(code=0x81)
elif self.activated:
session.send_ipmi_response(code=0x80)
else:
self.activated = True
solport = list(struct.unpack('BB', struct.pack('!H', self.port)))
session.send_ipmi_response(
data=[0, 0, 0, 0, 1, 0, 1, 0] + solport + [0xff, 0xff])
self.sol = console.ServerConsole(session, self.iohandler)
def deactivate_payload(self, request, session):
if self.iohandler is None:
session.send_ipmi_response(code=0x81)
elif not self.activated:
session.send_ipmi_response(code=0x80)
else:
session.send_ipmi_response()
self.sol.close()
self.activated = False
self.sol = None
@staticmethod
def handle_missing_command(session):
session.send_ipmi_response(code=0xc1)
def get_chassis_status(self, session):
try:
powerstate = self.get_power_state()
except NotImplementedError:
return session.send_ipmi_response(code=0xc1)
if powerstate in ipmicommand.power_states:
powerstate = ipmicommand.power_states[powerstate]
if powerstate not in (0, 1):
raise Exception('BMC implementation mistake')
statusdata = [powerstate, 0, 0]
session.send_ipmi_response(data=statusdata)
def control_chassis(self, request, session):
rc = 0
try:
directive = request['data'][0]
if directive == 0:
rc = self.power_off()
elif directive == 1:
rc = self.power_on()
elif directive == 2:
rc = self.power_cycle()
elif directive == 3:
rc = self.power_reset()
elif directive == 4:
# i.e. Pulse a diagnostic interrupt(NMI) directly
rc = self.pulse_diag()
elif directive == 5:
rc = self.power_shutdown()
if rc is None:
rc = 0
session.send_ipmi_response(code=rc)
except NotImplementedError:
session.send_ipmi_response(code=0xcc)
def get_boot_device(self):
raise NotImplementedError
def get_system_boot_options(self, request, session):
if request['data'][0] == 5: # boot flags
try:
bootdevice = self.get_boot_device()
except NotImplementedError:
session.send_ipmi_response(data=[1, 5, 0, 0, 0, 0, 0])
if (type(bootdevice) != int
and bootdevice in ipmicommand.boot_devices):
bootdevice = ipmicommand.boot_devices[bootdevice]
paramdata = [1, 5, 0b10000000, bootdevice, 0, 0, 0]
return session.send_ipmi_response(data=paramdata)
else:
session.send_ipmi_response(code=0x80)
def set_boot_device(self, bootdevice):
raise NotImplementedError
def set_system_boot_options(self, request, session):
if request['data'][0] in (0, 3, 4):
# for now, just smile and nod at boot flag bit clearing
# implementing it is a burden and implementing it does more to
# confuse users than serve a useful purpose
session.send_ipmi_response()
elif request['data'][0] == 5:
bootdevice = (request['data'][2] >> 2) & 0b1111
try:
bootdevice = ipmicommand.boot_devices[bootdevice]
except KeyError:
session.send_ipmi_response(code=0xcc)
return
self.set_boot_device(bootdevice)
session.send_ipmi_response()
else:
raise NotImplementedError
def handle_raw_request(self, request, session):
try:
if request['netfn'] == 6:
if request['command'] == 1: # get device id
return self.send_device_id(session)
elif request['command'] == 2: # cold reset
return session.send_ipmi_response(code=self.cold_reset())
elif request['command'] == 0x37: # get system guid
guid = self.get_system_guid()
return session.send_ipmi_response(code=0x00, data=guid.bytes_le)
elif request['command'] == 0x48: # activate payload
return self.activate_payload(request, session)
elif request['command'] == 0x49: # deactivate payload
return self.deactivate_payload(request, session)
elif request['netfn'] == 0:
if request['command'] == 1: # get chassis status
return self.get_chassis_status(session)
elif request['command'] == 2: # chassis control
return self.control_chassis(request, session)
elif request['command'] == 8: # set boot options
return self.set_system_boot_options(request, session)
elif request['command'] == 9: # get boot options
return self.get_system_boot_options(request, session)
session.send_ipmi_response(code=0xc1)
except NotImplementedError:
session.send_ipmi_response(code=0xc1)
except Exception:
session._send_ipmi_net_payload(code=0xff)
traceback.print_exc()
@classmethod
def listen(cls, timeout=30):
while True:
ipmisession.Session.wait_for_rsp(timeout)
|
