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15 commits

Author SHA1 Message Date
Steve Muckle
4c59323dc6 first_stage_init: load modules in modules.load.recovery in recovery 
In recovery mode, load modules from modules.load.recovery if it
exists. Otherwise load from modules.load as usual.

Change-Id: I7636bb5958ed10ae9a66015f04f168129618272f
 2020-04-06 12:24:16 -07:00
Steve Muckle
373a3cadd7 libmodprobe: parse kernel command line for module options 
Bug: 145808811
Test: atest libmodprobe_tests, verify on flame
Change-Id: I0b41b1610fe13ae526d38f029da888f6f0d8a02d
 2019-12-27 13:39:23 -08:00
Mark Salyzyn
d478271b2b libmodprobe: add strict bool argument to LoadListedModules 
Continue loading remaining modules after error if strict flag false.

Test: libmodprobe_test
Bug: 141311820
Change-Id: Ib21d4eade1254b16621e7bf2c9efaa173092e7c7
 2019-10-31 10:30:35 -07:00
Mark Salyzyn
8c1051918e libmodprobe: Do not reload modules previously instantiated 
For modprobe operation.

For an interlocking driver set of about 50 modules, the impact of
their dependencies resulted in a 30 second impact in boot time
trying to load previously loaded modules. This impact is handily
eliminated by keeping a list of modules paths that have been loaded
and skipping them proactively.

Test: Confirmed device boot and 50 module set of drivers functions.
Test: libmodprobe_tests
Bug: 142938937
Bug: 140827934
Change-Id: Iccd11399d6043b38cbd5f93578ee202022e7770c
 2019-10-30 07:20:18 -07:00
Treehugger Robot
b02f9b549c Merge changes from topic "toolbox-modprobe" 
* changes:
  toolbox: add modprobe
  libmodprobe: add verbose mode
  libmodprobe: add GetAllDependencies
  libmodprobe: add support to list modules
  libmodprobe: add support for a blacklist
  libmodprobe: support parameters in LoadWithAliases
  libmodprobe: add support to remove modules
  libmodprobe: make name canonical in LoadWithAliases
  libmodprobe: make available in vendor
 2019-08-07 17:09:09 +00:00
Steve Muckle
ded44c06be libmodprobe: add verbose mode 
Change-Id: I2be18320461cd712a4828400b8f29bb5f07c801f
 2019-08-06 13:58:13 -07:00
Steve Muckle
781aa78ee2 libmodprobe: add GetAllDependencies 
Add a method to retrieve the dependencies (both hard and soft) of a
module.

Change-Id: Ie44ceb3e36856bb1a3e68c5d3c0d55a38deb0ef9
 2019-08-06 13:58:13 -07:00
Steve Muckle
012cfa19b0 libmodprobe: add support to list modules 
List the known modules with a name matching a given pattern.

Change-Id: I7f6bd1f09a688c66682f94c5837e61d7dc61c1f7
 2019-08-06 13:58:13 -07:00
Steve Muckle
e31f840a0a libmodprobe: add support for a blacklist 
If the blacklist is enabled, blacklisted modules are treated as though
they are not present.

Change-Id: Ie8712f24298e78f92d5028b1ca3a8a3e07a9190a
 2019-08-06 13:58:13 -07:00
Steve Muckle
13700a69d3 libmodprobe: support parameters in LoadWithAliases 
Add support to specify module parameters in LoadWithAliases. These
parameters will be appended to any which are specified for the module in
modules.options.

Change-Id: I9aff1656ea397826f815b658b3b52c1892748601
 2019-08-06 13:58:13 -07:00
Steve Muckle
bb58b01574 libmodprobe: add support to remove modules 
Add a remove method which will unload a given module from the kernel,
along with any modules it depended on, assuming those modules are now
unused.

Change-Id: Ie66dc153ef1771f50e26421d38d3656e95954780
 2019-08-06 13:58:13 -07:00
Steve Muckle
73b2928b94 libmodprobe: make name canonical in LoadWithAliases 
Make the module name canonical in LoadWithAliases so it may be used
more easily from outside the class.

Change-Id: I7ee496b77a2beea43a6b68daed7af42660747559
 2019-08-06 13:58:13 -07:00
Steve Muckle
4104b8803a libmodprobe: make available in vendor 
A toolbox implementation of modprobe will require libmodprobe.

Change-Id: I7790576b828ad8cd5fae0c51926d8da9fb540d30
 2019-08-06 13:58:13 -07:00
Steve Muckle
025cad4269 libmodprobe: add OWNERS file 
Change-Id: I812c0420d982d2c927f40ca43545bdd15bc7b8be
 2019-08-05 11:29:01 -07:00
Steve Muckle
18b981ea7c create libmodprobe, integrate into first_stage_init 
Modprobe functionality is required both within first stage init and also
as a standalone binary. Create a library for this using and extending
the logic in modalias_handler.cpp.

First stage init will attempt to load modules from /lib/modules.

Bug: 129780532
Change-Id: Ie3582358fd839c2f64e1b386b30ed551a86aef5d
 2019-06-18 13:24:56 -07:00