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8 commits

Author SHA1 Message Date
David Anderson
79ab0e3e98 fastbootd: Complete the implementation of getvar has-slot. 
Bug: 78793464
Test: fastboot getvar has-slot:super returns "no"
Change-Id: I80f171df062c008718b810bbe12070834d4aa3fb
 2018-08-14 16:24:07 -07:00
David Anderson
d9ba061e77 fastbootd: Add is-userspace variable. 
Bug: 78793464
Test: fastboot getvar is-userspace
          returns true for fastbootd
      fastboot getvar is-userspace
          returns false or error for bootloader fastboot.

Change-Id: I80e1ef6dcf3922e4f555cb2e409e3e098c16fbbc
 2018-08-09 15:06:53 -07:00
David Anderson
0d4277d7b3 fastbootd: Add commands for logical partitions. 
This patch adds the following new commands to fastbootd:

    getvar is_logical:<partition>
    create-logical-logical-partition <partition> <size>
    delete-logical-partition <partition>
    resize-logicallogical-partition <partition> <size>

All of these commands operate on logical partitions only, and require a
properly configured "super" partition to operate.

Bug: 78793464
Test: fastboot create-logical-partition example 4096
      fastboot create-logical-partition example 4096 returns error
      fastboot getvar is-logical:example returns "yes"
      fastboot getvar partition-size:example returns "1000"
      fastboot resize-logicalpartition example 8000
      fastboot getvar partition-size:example returns "2000"
      fastboot delete-logical-partition example
      fastboot getvar is-logical:example returns error
      fastboot getvar is-logical:system_a returns "no"

Change-Id: Iff323eabcf5c559fa04c7c92574650b01803eb1f
 2018-08-09 15:06:52 -07:00
David Anderson
88ef0b1f25 fastbootd: Add support for flashing logical partitions. 
When flashing logical partitions, we read the "super" partition metadata
corresponding to the current slot. We then temporarily create a
device-mapper device for that partition, and immediately destroy the
device after all operations are complete. We do not mount partitions
ahead of time, or keep them mounted, because a fastboot operation may
change the layout of the logical partition table (or change which slot
is current).

Bug: 78793464
Test: fastboot flash a logical partition under "super"
Change-Id: Id2a61d3592decabeebfd283c4fd6e6cbe576a18c
 2018-08-09 11:15:23 -07:00
David Anderson
12211d163e fastbootd: Enable erase and flash commands for physical partitions. 
Bug: 78793464
Test: adb reboot fastboot && fastboot flashall

Change-Id: Ibe802c36f6efe20111a2315616ef34d3a027950f
 2018-08-09 09:58:37 -07:00
David Anderson
856b7ecbb6 fastbootd: Allow returning errors from getvar handlers. 
Currently a few getvar handlers will return invalid strings when an
error occurs. This change allows those handlers to instead send a proper
failure message.

Bug: 78793464
Test: N/A
Change-Id: I7ff7d036c1e6fb0a3d700ecf21b1103ab77278d2
 2018-08-08 18:24:09 -07:00
Hridya Valsaraju
31d2c26409 fastbootd: Implement the getvar command. 
This implements basic "fastboot getvar" support, including commands supported
by IBootControl.

Bug: 78793464
Test: fastboot getvar <fastboot variable>

Change-Id: Iee1a7b3f43dea46f80dcdf73c45034e2ffe4727d
 2018-08-08 11:41:53 -07:00
Hridya Valsaraju
dea91b4b53 Add fastbootd. 
Fastbootd is started by recovery, and communicates
over usb with the fastboot protocol.

Add additional fastboot commands to move in and out of
fastbootd. "fastboot reboot recovery" and "fastboot reboot fastboot"

Bug: 78793464
Test: fastboot reboot recovery, fastboot reboot fastboot
Change-Id: Iffb77b2d3ceefb7335c38aa9fba7bd17821484f0
 2018-08-02 09:43:23 -07:00