[G 2014 Q&A, Help & Troubleshooting] DobaMuffin:
I also extracted this information from my Motorola XT1064 device.

major minor #blocks name

179 0 7634944 mmcblk0
179 1 65536 mmcblk0p1
179 2 512 mmcblk0p2
179 3 32 mmcblk0p3
179 4 1012 mmcblk0p4
179 5 200 mmcblk0p5
179 6 400 mmcblk0p6
179 7 32 mmcblk0p7
179 8 512 mmcblk0p8
179 9 2048 mmcblk0p9
179 10 2332 mmcblk0p10
179 11 1012 mmcblk0p11
179 12 200 mmcblk0p12
179 13 400 mmcblk0p13
179 14 32 mmcblk0p14
179 15 512 mmcblk0p15
179 16 1052 mmcblk0p16
179 17 1536 mmcblk0p17
179 18 1536 mmcblk0p18
179 19 488 mmcblk0p19
179 20 32 mmcblk0p20
179 21 1536 mmcblk0p21
179 22 1 mmcblk0p22
179 23 8 mmcblk0p23
179 24 1024 mmcblk0p24
179 25 128 mmcblk0p25
179 26 3072 mmcblk0p26
179 27 4096 mmcblk0p27
179 28 4096 mmcblk0p28
179 29 8192 mmcblk0p29
179 30 512 mmcblk0p30
179 31 10200 mmcblk0p31
259 0 10280 mmcblk0p32
259 1 1024 mmcblk0p33
259 2 16384 mmcblk0p34
259 3 546944 mmcblk0p35
259 4 1130496 mmcblk0p36
259 5 8192 mmcblk0p37
259 6 5774208 mmcblk0p38
179 32 2048 mmcblk0rpmb

drwxr-xr-x 2 root root 800 Dec 10 1970 .
drwxr-xr-x 4 root root 880 Dec 10 1970 ..
lrwxrwxrwx 1 root root 20 Dec 10 1970 DDR -> /dev/block/mmcblk0p3
lrwxrwxrwx 1 root root 20 Dec 10 1970 aboot -> /dev/block/mmcblk0p4
lrwxrwxrwx 1 root root 21 Dec 10 1970 abootBackup -> /dev/block/mmcblk0p11
lrwxrwxrwx 1 root root 21 Dec 10 1970 boot -> /dev/block/mmcblk0p31
lrwxrwxrwx 1 root root 21 Dec 10 1970 cache -> /dev/block/mmcblk0p35
lrwxrwxrwx 1 root root 21 Dec 10 1970 cid -> /dev/block/mmcblk0p25
lrwxrwxrwx 1 root root 21 Dec 10 1970 clogo -> /dev/block/mmcblk0p28
lrwxrwxrwx 1 root root 21 Dec 10 1970 deviceinfo -> /dev/block/mmcblk0p33
lrwxrwxrwx 1 root root 21 Dec 10 1970 dhob -> /dev/block/mmcblk0p20
lrwxrwxrwx 1 root root 21 Dec 10 1970 fsc -> /dev/block/mmcblk0p22
lrwxrwxrwx 1 root root 21 Dec 10 1970 fsg -> /dev/block/mmcblk0p21
lrwxrwxrwx 1 root root 21 Dec 10 1970 ftmlog -> /dev/block/mmcblk0p34
lrwxrwxrwx 1 root root 21 Dec 10 1970 hob -> /dev/block/mmcblk0p19
lrwxrwxrwx 1 root root 21 Dec 10 1970 kpan -> /dev/block/mmcblk0p37
lrwxrwxrwx 1 root root 21 Dec 10 1970 logo -> /dev/block/mmcblk0p27
lrwxrwxrwx 1 root root 20 Dec 10 1970 logs -> /dev/block/mmcblk0p9
lrwxrwxrwx 1 root root 21 Dec 10 1970 misc -> /dev/block/mmcblk0p30
lrwxrwxrwx 1 root root 20 Dec 10 1970 modem -> /dev/block/mmcblk0p1
lrwxrwxrwx 1 root root 21 Dec 10 1970 modemst1 -> /dev/block/mmcblk0p17
lrwxrwxrwx 1 root root 21 Dec 10 1970 modemst2 -> /dev/block/mmcblk0p18
lrwxrwxrwx 1 root root 21 Dec 10 1970 padA -> /dev/block/mmcblk0p10
lrwxrwxrwx 1 root root 21 Dec 10 1970 padB -> /dev/block/mmcblk0p16
lrwxrwxrwx 1 root root 21 Dec 10 1970 pds -> /dev/block/mmcblk0p26
lrwxrwxrwx 1 root root 21 Dec 10 1970 persist -> /dev/block/mmcblk0p29
lrwxrwxrwx 1 root root 21 Dec 10 1970 recovery -> /dev/block/mmcblk0p32
lrwxrwxrwx 1 root root 20 Dec 10 1970 rpm -> /dev/block/mmcblk0p5
lrwxrwxrwx 1 root root 21 Dec 10 1970 rpmBackup -> /dev/block/mmcblk0p12
lrwxrwxrwx 1 root root 20 Dec 10 1970 sbl1 -> /dev/block/mmcblk0p2
lrwxrwxrwx 1 root root 20 Dec 10 1970 sdi -> /dev/block/mmcblk0p7
lrwxrwxrwx 1 root root 21 Dec 10 1970 sdiBackup -> /dev/block/mmcblk0p14
lrwxrwxrwx 1 root root 21 Dec 10 1970 sp -> /dev/block/mmcblk0p24
lrwxrwxrwx 1 root root 21 Dec 10 1970 ssd -> /dev/block/mmcblk0p23
lrwxrwxrwx 1 root root 21 Dec 10 1970 system -> /dev/block/mmcblk0p36
lrwxrwxrwx 1 root root 20 Dec 10 1970 tz -> /dev/block/mmcblk0p6
lrwxrwxrwx 1 root root 21 Dec 10 1970 tzBackup -> /dev/block/mmcblk0p13
lrwxrwxrwx 1 root root 21 Dec 10 1970 userdata -> /dev/block/mmcblk0p38
lrwxrwxrwx 1 root root 20 Dec 10 1970 utags -> /dev/block/mmcblk0p8
lrwxrwxrwx 1 root root 21 Dec 10 1970 utagsBackup -> /dev/block/mmcblk0p15

Hopefully it comes in handy to know the partition layout on the XT1064.