^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) # Copyright (c) NXP 2019
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) import gdb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) from linux.utils import CachedType
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) from linux.utils import container_of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) from linux.lists import list_for_each_entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) device_private_type = CachedType('struct device_private')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) device_type = CachedType('struct device')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) subsys_private_type = CachedType('struct subsys_private')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) kobject_type = CachedType('struct kobject')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) kset_type = CachedType('struct kset')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) bus_type = CachedType('struct bus_type')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) class_type = CachedType('struct class')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) def dev_name(dev):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) dev_init_name = dev['init_name']
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) if dev_init_name:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) return dev_init_name.string()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) return dev['kobj']['name'].string()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) def kset_for_each_object(kset):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) return list_for_each_entry(kset['list'],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) kobject_type.get_type().pointer(), "entry")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) def for_each_bus():
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) for kobj in kset_for_each_object(gdb.parse_and_eval('bus_kset')):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) subsys = container_of(kobj, kset_type.get_type().pointer(), 'kobj')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) subsys_priv = container_of(subsys, subsys_private_type.get_type().pointer(), 'subsys')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) yield subsys_priv['bus']
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) def for_each_class():
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) for kobj in kset_for_each_object(gdb.parse_and_eval('class_kset')):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) subsys = container_of(kobj, kset_type.get_type().pointer(), 'kobj')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) subsys_priv = container_of(subsys, subsys_private_type.get_type().pointer(), 'subsys')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) yield subsys_priv['class']
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) def get_bus_by_name(name):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) for item in for_each_bus():
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if item['name'].string() == name:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return item
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) raise gdb.GdbError("Can't find bus type {!r}".format(name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) def get_class_by_name(name):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) for item in for_each_class():
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if item['name'].string() == name:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return item
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) raise gdb.GdbError("Can't find device class {!r}".format(name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) klist_type = CachedType('struct klist')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) klist_node_type = CachedType('struct klist_node')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) def klist_for_each(klist):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return list_for_each_entry(klist['k_list'],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) klist_node_type.get_type().pointer(), 'n_node')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) def bus_for_each_device(bus):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) for kn in klist_for_each(bus['p']['klist_devices']):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) dp = container_of(kn, device_private_type.get_type().pointer(), 'knode_bus')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) yield dp['device']
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) def class_for_each_device(cls):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) for kn in klist_for_each(cls['p']['klist_devices']):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) dp = container_of(kn, device_private_type.get_type().pointer(), 'knode_class')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) yield dp['device']
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) def device_for_each_child(dev):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) for kn in klist_for_each(dev['p']['klist_children']):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) dp = container_of(kn, device_private_type.get_type().pointer(), 'knode_parent')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) yield dp['device']
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) def _show_device(dev, level=0, recursive=False):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) gdb.write('{}dev {}:\t{}\n'.format('\t' * level, dev_name(dev), dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if recursive:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) for child in device_for_each_child(dev):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) _show_device(child, level + 1, recursive)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) class LxDeviceListBus(gdb.Command):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) '''Print devices on a bus (or all buses if not specified)'''
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) def __init__(self):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) super(LxDeviceListBus, self).__init__('lx-device-list-bus', gdb.COMMAND_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) def invoke(self, arg, from_tty):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if not arg:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) for bus in for_each_bus():
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) gdb.write('bus {}:\t{}\n'.format(bus['name'].string(), bus))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) for dev in bus_for_each_device(bus):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) _show_device(dev, level=1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) else:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) bus = get_bus_by_name(arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if not bus:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) raise gdb.GdbError("Can't find bus {!r}".format(arg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) for dev in bus_for_each_device(bus):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) _show_device(dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) class LxDeviceListClass(gdb.Command):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) '''Print devices in a class (or all classes if not specified)'''
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) def __init__(self):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) super(LxDeviceListClass, self).__init__('lx-device-list-class', gdb.COMMAND_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) def invoke(self, arg, from_tty):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) if not arg:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) for cls in for_each_class():
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) gdb.write("class {}:\t{}\n".format(cls['name'].string(), cls))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) for dev in class_for_each_device(cls):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) _show_device(dev, level=1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) else:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) cls = get_class_by_name(arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) for dev in class_for_each_device(cls):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) _show_device(dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) class LxDeviceListTree(gdb.Command):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) '''Print a device and its children recursively'''
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) def __init__(self):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) super(LxDeviceListTree, self).__init__('lx-device-list-tree', gdb.COMMAND_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) def invoke(self, arg, from_tty):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if not arg:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) raise gdb.GdbError('Please provide pointer to struct device')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) dev = gdb.parse_and_eval(arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if dev.type != device_type.get_type().pointer():
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) raise gdb.GdbError('Please provide pointer to struct device')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) _show_device(dev, level=0, recursive=True)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) class LxDeviceFindByBusName(gdb.Function):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) '''Find struct device by bus and name (both strings)'''
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) def __init__(self):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) super(LxDeviceFindByBusName, self).__init__('lx_device_find_by_bus_name')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) def invoke(self, bus, name):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) name = name.string()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) bus = get_bus_by_name(bus.string())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) for dev in bus_for_each_device(bus):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if dev_name(dev) == name:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return dev
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) class LxDeviceFindByClassName(gdb.Function):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) '''Find struct device by class and name (both strings)'''
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) def __init__(self):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) super(LxDeviceFindByClassName, self).__init__('lx_device_find_by_class_name')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) def invoke(self, cls, name):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) name = name.string()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) cls = get_class_by_name(cls.string())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) for dev in class_for_each_device(cls):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if dev_name(dev) == name:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return dev
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) LxDeviceListBus()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) LxDeviceListClass()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) LxDeviceListTree()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) LxDeviceFindByBusName()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) LxDeviceFindByClassName()
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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