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devout: support search for sysfs attributes

This commit is contained in:
Daniel Barlow 2024-06-01 21:20:41 +01:00
parent 7d00b39249
commit 19aba0d873
1422 changed files with 1505 additions and 22 deletions
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61
pkgs/devout/devout.fnl
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@ -26,10 +26,27 @@
(string.format "%s=%s" (string.upper k) v ))
"\n")))
(fn attrs-match? [event expected]
(accumulate [match? true
name value (pairs expected)]
(and match? (= value (event:attr name)))))
(fn event-matches? [e terms]
(accumulate [match? true
name value (pairs terms)]
(and match? (= value (. e.properties name)))))
(and match?
(case name
:attr (attrs-match? e value)
:attrs true
other (= value (. e.properties name))))))
(fn read-if-exists [pathname]
(match (ll.open pathname 0 0)
fd (let [s (ll.read fd 4096)
s1 (string.gsub s "[ \n]*(.-)[ \n]*" "%1")]
(ll.close fd)
s1)
nil nil))
(fn parse-event [s]
(let [at (string.find s "@" 1 true)
@ -44,6 +61,8 @@
:action (string.sub s 1 (- at 1))
:format format-event
:matches? event-matches?
:attr (fn [self name]
(read-if-exists (.. self.sys-path "/" self.path "/" name)))
}))
(fn find-in-database [db terms]
@ -53,24 +72,28 @@
(doto found (table.insert e))
found)))
(fn record-event [db subscribers str]
(let [e (parse-event str)]
(match e.action
:add (tset db e.path e)
:change (tset db e.path e)
;; should we do something for bind?
:remove (tset db e.path nil)
)
(each [_ { : terms : callback } (pairs subscribers)]
(if (e:matches? terms) (callback e)))
e))
(fn record-event [db subscribers e]
(match e.action
:add (tset db e.path e)
:change (tset db e.path e)
;; should we do something for bind?
:remove (tset db e.path nil)
)
(each [_ { : terms : callback } (pairs subscribers)]
(if (e:matches? terms) (callback e)))
e)
(fn database []
(fn database [options]
(let [db {}
subscribers []]
subscribers []
{ : sys-path } (or options {:sysfs-path "/sys" })]
{
:find (fn [_ terms] (find-in-database db terms))
:add (fn [_ event-string] (when event-string (record-event db subscribers event-string)))
:add (fn [_ event-string]
(when event-string
(let [e (doto (parse-event event-string)
(tset :sys-path sys-path))]
(record-event db subscribers e))))
:at-path (fn [_ path] (. db path))
:subscribe (fn [_ id callback terms]
(let [past-events (find-in-database db terms)]
@ -146,13 +169,7 @@
:_tbl #(do fds) ;exposed for tests
}))
(fn read-if-exists [pathname]
(match (ll.open pathname 0 0)
fd (let [s (ll.read fd 4096)
s1 (string.gsub s "[ \n]*(.-)[ \n]*" "%1")]
(ll.close fd)
s1)
nil nil))
(fn sysfs [fspath]
{

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/ari_enabled Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/broken_parity_status Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/class Normal file
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@ -0,0 +1 @@
0x0c0330

BIN
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/config Normal file
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Binary file not shown.

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/consistent_dma_mask_bits Normal file
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@ -0,0 +1 @@
64

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/d3cold_allowed Normal file
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@ -0,0 +1 @@
1

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/device Normal file
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@ -0,0 +1 @@
0x9d2f

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/dma_mask_bits Normal file
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@ -0,0 +1 @@
64

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/driver_override Normal file
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@ -0,0 +1 @@
(null)

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/enable Normal file
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@ -0,0 +1 @@
1

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/driver_override Normal file
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@ -0,0 +1 @@
(null)

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/modalias Normal file
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@ -0,0 +1 @@
platform:intel_xhci_usb_sw

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/async Normal file
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@ -0,0 +1 @@
disabled

0
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/autosuspend_delay_ms Normal file
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1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/control Normal file
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@ -0,0 +1 @@
auto

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/runtime_active_kids Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/runtime_active_time Normal file
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@ -0,0 +1 @@
2

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/runtime_enabled Normal file
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@ -0,0 +1 @@
enabled

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/runtime_status Normal file
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@ -0,0 +1 @@
suspended

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/runtime_suspended_time Normal file
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@ -0,0 +1 @@
1962025517

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/power/runtime_usage Normal file
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@ -0,0 +1 @@
0

2
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/uevent Normal file
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@ -0,0 +1,2 @@
DRIVER=intel_xhci_usb_sw
MODALIAS=platform:intel_xhci_usb_sw

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/async Normal file
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@ -0,0 +1 @@
disabled

0
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/autosuspend_delay_ms Normal file
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1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/control Normal file
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@ -0,0 +1 @@
auto

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/runtime_active_kids Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/runtime_active_time Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/runtime_enabled Normal file
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@ -0,0 +1 @@
disabled

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/runtime_status Normal file
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@ -0,0 +1 @@
unsupported

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/runtime_suspended_time Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/power/runtime_usage Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/role Normal file
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@ -0,0 +1 @@
host

2
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/uevent Normal file
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@ -0,0 +1,2 @@
DEVTYPE=usb_role_switch
USB_ROLE_SWITCH=intel_xhci_usb_sw-role-switch

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/intel_xhci_usb_sw/usb_role/intel_xhci_usb_sw-role-switch/waiting_for_supplier Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/irq Normal file
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@ -0,0 +1 @@
131

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/local_cpulist Normal file
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@ -0,0 +1 @@
0-3

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/local_cpus Normal file
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@ -0,0 +1 @@
f

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/modalias Normal file
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@ -0,0 +1 @@
pci:v00008086d00009D2Fsv000017AAsd00002238bc0Csc03i30

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/msi_bus Normal file
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@ -0,0 +1 @@
1

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/msi_irqs/131 Normal file
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@ -0,0 +1 @@
msi

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/numa_node Normal file
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@ -0,0 +1 @@
-1

13
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/pools Normal file
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@ -0,0 +1,13 @@
poolinfo - 0.1
buffer-2048 0 0 2048 0
buffer-512 0 0 512 0
buffer-128 0 32 128 1
buffer-32 0 0 32 0
xHCI 1KB stream ctx arrays 0 0 1024 0
xHCI 256 byte stream ctx arrays 0 0 256 0
xHCI input/output contexts 6 11 2112 11
xHCI ring segments 26 42 4096 42
buffer-2048 0 0 2048 0
buffer-512 0 0 512 0
buffer-128 0 32 128 1
buffer-32 0 0 32 0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/async Normal file
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@ -0,0 +1 @@
enabled

0
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/autosuspend_delay_ms Normal file
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1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/control Normal file
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@ -0,0 +1 @@
auto

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/runtime_active_kids Normal file
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@ -0,0 +1 @@
1

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/runtime_active_time Normal file
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@ -0,0 +1 @@
1962059779

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/runtime_enabled Normal file
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@ -0,0 +1 @@
enabled

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/runtime_status Normal file
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@ -0,0 +1 @@
active

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/runtime_suspended_time Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/runtime_usage Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup Normal file
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@ -0,0 +1 @@
enabled

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup_abort_count Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup_active Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup_active_count Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup_count Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup_expire_count Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup_last_time_ms Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup_max_time_ms Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power/wakeup_total_time_ms Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/power_state Normal file
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@ -0,0 +1 @@
D0

13
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/resource Normal file
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@ -0,0 +1,13 @@
0x00000000e1320000 0x00000000e132ffff 0x0000000000140204
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x0000000000000000

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/revision Normal file
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@ -0,0 +1 @@
0x21

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/subsystem_device Normal file
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@ -0,0 +1 @@
0x2238

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/subsystem_vendor Normal file
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@ -0,0 +1 @@
0x17aa

6
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/uevent Normal file
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@ -0,0 +1,6 @@
DRIVER=xhci_hcd
PCI_CLASS=C0330
PCI_ID=8086:9D2F
PCI_SUBSYS_ID=17AA:2238
PCI_SLOT_NAME=0000:00:14.0
MODALIAS=pci:v00008086d00009D2Fsv000017AAsd00002238bc0Csc03i30

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/authorized Normal file
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@ -0,0 +1 @@
1

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/bAlternateSetting Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/bInterfaceClass Normal file
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@ -0,0 +1 @@
09

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/bInterfaceNumber Normal file
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@ -0,0 +1 @@
00

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/bInterfaceProtocol Normal file
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@ -0,0 +1 @@
00

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/bInterfaceSubClass Normal file
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@ -0,0 +1 @@
00

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/bNumEndpoints Normal file
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@ -0,0 +1 @@
01

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/bEndpointAddress Normal file
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@ -0,0 +1 @@
81

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/bInterval Normal file
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@ -0,0 +1 @@
0c

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/bLength Normal file
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@ -0,0 +1 @@
07

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/bmAttributes Normal file
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@ -0,0 +1 @@
03

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/direction Normal file
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@ -0,0 +1 @@
in

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/interval Normal file
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@ -0,0 +1 @@
256ms

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/async Normal file
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@ -0,0 +1 @@
enabled

0
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/autosuspend_delay_ms Normal file
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1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/control Normal file
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@ -0,0 +1 @@
auto

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/runtime_active_kids Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/runtime_active_time Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/runtime_enabled Normal file
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@ -0,0 +1 @@
disabled

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/runtime_status Normal file
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@ -0,0 +1 @@
unsupported

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/runtime_suspended_time Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/power/runtime_usage Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/type Normal file
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@ -0,0 +1 @@
Interrupt

0
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/uevent Normal file
View File

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/ep_81/wMaxPacketSize Normal file
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@ -0,0 +1 @@
0004

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/modalias Normal file
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@ -0,0 +1 @@
usb:v1D6Bp0002d0601dc09dsc00dp01ic09isc00ip00in00

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/power/async Normal file
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@ -0,0 +1 @@
enabled

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/power/runtime_active_kids Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/power/runtime_enabled Normal file
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@ -0,0 +1 @@
enabled

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/power/runtime_status Normal file
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@ -0,0 +1 @@
suspended

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/power/runtime_usage Normal file
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@ -0,0 +1 @@
0

1
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/supports_autosuspend Normal file
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@ -0,0 +1 @@
1

6
pkgs/devout/fixtures/sys/devices/pci0000:00/0000:00:14.0/usb1/1-0:1.0/uevent Normal file
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@ -0,0 +1,6 @@
DEVTYPE=usb_interface
DRIVER=hub
PRODUCT=1d6b/2/601
TYPE=9/0/1
INTERFACE=9/0/0
MODALIAS=usb:v1D6Bp0002d0601dc09dsc00dp01ic09isc00ip00in00

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