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Update the USB serial option driver support for the Rolling
LTE modules.
- VID:PID 33f8:01a2, RW101-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x01a2: mbim, diag, at, pipe
- VID:PID 33f8:01a3, RW101-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x01a3: mbim, pipe
- VID:PID 33f8:01a4, RW101-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x01a4: mbim, diag, at, pipe
- VID:PID 33f8:0104, RW101-GL for laptop debug M.2 cards(with RMNET
interface for /Linux/Chrome OS)
0x0104: RMNET, diag, at, pipe
- VID:PID 33f8:0115, RW135-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x0115: MBIM, diag, at, pipe
Here are the outputs of usb-devices:
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 5 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=33f8 ProdID=01a2 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=12345678
C: #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 8 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=33f8 ProdID=01a3 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=12345678
C: #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 17 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=33f8 ProdID=01a4 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=12345678
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0
D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=33f8 ProdID=0104 Rev=05.04
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=ba2eb033
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=896mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E: Ad=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=88(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
E: Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=89(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 16 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=33f8 ProdID=0115 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=12345678
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: Vanillan Wang <vanillanwang@163.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Update the USB serial option driver to support Longsung U8300/U9300.
For U8300
Interface 4 is used by for QMI interface in stock firmware of U8300, the
router which uses U8300 modem.
Interface 5 is used by for ADB interface in stock firmware of U8300, the
router which uses U8300 modem.
Interface mapping is:
0: unknown (Debug), 1: AT (Modem), 2: AT, 3: PPP (NDIS / Pipe), 4: QMI, 5: ADB
T: Bus=05 Lev=01 Prnt=03 Port=02 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1c9e ProdID=9b05 Rev=03.18
S: Manufacturer=Android
S: Product=Android
C: #Ifs= 6 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=8a(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
For U9300
Interface 1 is used by for ADB interface in stock firmware of U9300, the
router which uses U9300 modem.
Interface 4 is used by for QMI interface in stock firmware of U9300, the
router which uses U9300 modem.
Interface mapping is:
0: ADB, 1: AT (Modem), 2: AT, 3: PPP (NDIS / Pipe), 4: QMI
Note: Interface 3 of some models of the U9300 series can send AT commands.
T: Bus=05 Lev=01 Prnt=05 Port=04 Cnt=01 Dev#= 6 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1c9e ProdID=9b3c Rev=03.18
S: Manufacturer=Android
S: Product=Android
C: #Ifs= 5 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
Tested successfully using Modem Manager on U9300.
Tested successfully AT commands using If=1, If=2 and If=3 on U9300.
Signed-off-by: Coia Prant <coiaprant@gmail.com>
Reviewed-by: Lars Melin <larsm17@gmail.com>
[ johan: drop product defines, trim commit message ]
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Fibocom FM650/FG650 are 5G modems with ECM/NCM/RNDIS/MBIM modes.
This patch adds support to all 4 modes.
In all 4 modes, the first serial port is the AT console while the other
3 appear to be diagnostic interfaces for dumping modem logs.
usb-devices output for all modes:
ECM:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=5000 MxCh= 0
D: Ver= 3.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2cb7 ProdID=0a04 Rev=04.04
S: Manufacturer=Fibocom Wireless Inc.
S: Product=FG650 Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 5 Cfg#= 1 Atr=c0 MxPwr=504mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=06 Prot=00 Driver=cdc_ether
E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
NCM:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 6 Spd=5000 MxCh= 0
D: Ver= 3.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2cb7 ProdID=0a05 Rev=04.04
S: Manufacturer=Fibocom Wireless Inc.
S: Product=FG650 Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=c0 MxPwr=504mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
RNDIS:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 4 Spd=5000 MxCh= 0
D: Ver= 3.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2cb7 ProdID=0a06 Rev=04.04
S: Manufacturer=Fibocom Wireless Inc.
S: Product=FG650 Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=c0 MxPwr=504mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=e0(wlcon) Sub=01 Prot=03 Driver=rndis_host
E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
I: If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=rndis_host
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
MBIM:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 7 Spd=5000 MxCh= 0
D: Ver= 3.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2cb7 ProdID=0a07 Rev=04.04
S: Manufacturer=Fibocom Wireless Inc.
S: Product=FG650 Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=c0 MxPwr=504mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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EM060K_129, EM060K_12a, EM060K_12b and EM0060K_12c are EM060K's sub-models,
having the same name "Quectel EM060K-GL" and the same interface layout.
MBIM + GNSS + DIAG + NMEA + AT + QDSS + DPL
T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 8 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=2c7c ProdID=0129 Rev= 5.04
S: Manufacturer=Quectel
S: Product=Quectel EM060K-GL
S: SerialNumber=f6fa08b6
C:* #Ifs= 8 Cfg#= 1 Atr=a0 MxPwr=500mA
A: FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=0f(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 6 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=70 Driver=(none)
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 7 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=80 Driver=(none)
E: Ad=8f(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: Jerry Meng <jerry-meng@foxmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Update the USB serial option driver support for the Fibocom
FM135-GL LTE modules.
- VID:PID 2cb7:0115, FM135-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x0115: mbim, diag, at, pipe
Here are the outputs of usb-devices:
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 16 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=2cb7 ProdID=0115 Rev=05.15
S: Manufacturer=Fibocom Wireless Inc.
S: Product=Fibocom Module
S: SerialNumber=12345678
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: bolan wang <bolan.wang@fibocom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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The DWC3_EP_RESOURCE_ALLOCATED flag ensures that the resource of an
endpoint is only assigned once. Unless the endpoint is reset, don't
clear this flag. Otherwise we may set endpoint resource again, which
prevents the driver from initiate transfer after handling a STALL or
endpoint halt to the control endpoint.
Cc: stable@vger.kernel.org
Fixes: b311048c174d ("usb: dwc3: gadget: Rewrite endpoint allocation flow")
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/00122b7cc5be06abef461776e7cc9f5ebc8bc1cb.1713229786.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 339f83612f3a569b194680768b22bf113c26a29d.
It has been found to cause problems in a number of Chromebook devices,
so revert the change until it can be brought back in a safe way.
Link: https://lore.kernel.org/r/385a3519-b45d-48c5-a6fd-a3fdb6bec92f@chromium.org
Reported-by:: Aleksander Morgado <aleksandermj@chromium.org>
Fixes: 339f83612f3a ("usb: cdc-wdm: close race between read and workqueue")
Cc: stable <stable@kernel.org>
Cc: Oliver Neukum <oneukum@suse.com>
Cc: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-linus
Mika writes:
thunderbolt: Fixes for v6.9-rc5
This includes following USB4/Thunderbolt fixes for v6.9-rc5:
- Avoid creating DisplayPort tunnels for the adapters on the same router
- Correct wake configurations after device router unplug
- Fix immediate wake when "wakeup_count" is used to enter system sleep.
All these have been in linux-next with no reported issues.
* tag 'thunderbolt-for-v6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Avoid notify PM core about runtime PM resume
thunderbolt: Fix wake configurations after device unplug
thunderbolt: Do not create DisplayPort tunnels on adapters of the same router
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Currently we notify PM core about occurred wakes after any resume. This
is not actually needed after resume from runtime suspend. Hence, notify
PM core about occurred wakes only after resume from system sleep. Also,
if the wake occurred in USB4 router upstream port, we don't notify the
PM core about it since it is not actually needed and can cause
unexpected autowake (e.g. if /sys/power/wakeup_count is used).
While there add the missing kernel-doc for tb_switch_resume().
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Currently we don't configure correctly the wake events after unplug of device
router. What can happen is that the downstream ports of host router will be
configured to wake on: USB4-wake and wake-on-disconnect, but not on
wake-on-connect. This may cause the later plugged device not to wake the
domain and fail in enumeration. Fix this by clearing downstream port's "USB4
Port is Configured" bit, after unplug of a device router.
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Probably due to a firmware bug Dell TB16 dock announces that one of its
DisplayPort adapters is actually DP IN. Now this is possible and used
with some external GPUs but not likely in this case as we are dealing
with a dock. Anyways the problem is that the driver tries to create a
DisplayPort tunnel between adapters of the same router which then shows
to user that there is no picture on the display (because there are no
available DP OUT adapters on the dock anymore).
Fix this by not creating DisplayPort tunnels between adapters that are
on the same router.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10265
Fixes: 274baf695b08 ("thunderbolt: Add DP IN added last in the head of the list of DP resources")
Cc: Gil Fine <gil.fine@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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In case regulator_bulk_enable() fails, the previously enabled USB hub
clock should be disabled.
Fix it accordingly.
Fixes: 65e62b8a955a ("usb: misc: onboard_usb_hub: Add support for clock input")
Cc: stable <stable@kernel.org>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20240409162910.2061640-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed variable dereference issue in DDMA completion flow.
Fixes: b258e4268850 ("usb: dwc2: host: Fix ISOC flow in DDMA mode")
CC: stable@vger.kernel.org
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/linux-usb/2024040834-ethically-rumble-701f@gregkh/T/#m4c4b83bef0ebb4b67fe2e0a7d6466cbb6f416e39
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/cc826d3ef53c934d8e6d98870f17f3cdc3d2755d.1712665387.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The ChipID bytes are read in inverse order: invert the ChipID value
defined as IT5205FN_CHIP_ID and used for validating the same.
Fixes: 41fe9ea1696c ("usb: typec: mux: Add ITE IT5205 Alternate Mode Passive MUX driver")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240409113646.305105-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When sending a patch to (among others) Li Yang the nxp MTA replied that
the address doesn't exist and so the mail couldn't be delivered. The
error code was 550, so at least technically that's not a temporal issue.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240405072042.697182-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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fsl_ep_queue() is only called by usb_ep_queue() (as ep->ops->queue()).
So _ep isn't NULL.
As ep->ops->queue = fsl_ep_queue, the ep was initialized by
struct_ep_setup() and so ep->udc isn't NULL either.
Drop the check for _ep being NULL and assign udc earlier to prevent
following an uninitialized pointer in the two dev_vdbg()s in lines 878
and 882. This fixes a compiler warning when using clang and
CONFIG_USB_GADGET_VERBOSE=y.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404050227.TTvcCPBu-lkp@intel.com/
Fixes: 6025f20f16c2 ("usb: gadget: fsl-udc: Replace custom log wrappers by dev_{err,warn,dbg,vdbg}")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240405055812.694123-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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SanDisks USB3 storage may disapper after system reboot:
usb usb2-port3: link state change
xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x2c0
usb usb2-port3: do warm reset, port only
xhci_hcd 0000:00:14.0: xhci_hub_status_data: stopping usb2 port polling
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2b0, return 0x2b0
usb usb2-port3: not warm reset yet, waiting 50ms
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2f0, return 0x2f0
usb usb2-port3: not warm reset yet, waiting 200ms
...
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x6802c0, return 0x7002c0
usb usb2-port3: not warm reset yet, waiting 200ms
xhci_hcd 0000:00:14.0: clear port3 reset change, portsc: 0x4802c0
xhci_hcd 0000:00:14.0: clear port3 warm(BH) reset change, portsc: 0x4002c0
xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x2c0
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2c0, return 0x2c0
usb usb2-port3: not enabled, trying warm reset again...
This is due to the USB device still cause port change event after xHCI is
shuted down:
xhci_hcd 0000:38:00.0: // Setting command ring address to 0xffffe001
xhci_hcd 0000:38:00.0: xhci_resume: starting usb3 port polling.
xhci_hcd 0000:38:00.0: xhci_hub_status_data: stopping usb4 port polling
xhci_hcd 0000:38:00.0: xhci_hub_status_data: stopping usb3 port polling
xhci_hcd 0000:38:00.0: hcd_pci_runtime_resume: 0
xhci_hcd 0000:38:00.0: xhci_shutdown: stopping usb3 port polling.
xhci_hcd 0000:38:00.0: // Halt the HC
xhci_hcd 0000:38:00.0: xhci_shutdown completed - status = 1
xhci_hcd 0000:00:14.0: xhci_shutdown: stopping usb1 port polling.
xhci_hcd 0000:00:14.0: // Halt the HC
xhci_hcd 0000:00:14.0: xhci_shutdown completed - status = 1
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1203, return 0x203
xhci_hcd 0000:00:14.0: set port reset, actual port 2-3 status = 0x1311
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x201203, return 0x100203
xhci_hcd 0000:00:14.0: clear port3 reset change, portsc: 0x1203
xhci_hcd 0000:00:14.0: clear port3 warm(BH) reset change, portsc: 0x1203
xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x1203
xhci_hcd 0000:00:14.0: clear port3 connect change, portsc: 0x1203
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1203, return 0x203
usb 2-3: device not accepting address 2, error -108
xhci_hcd 0000:00:14.0: xHCI dying or halted, can't queue_command
xhci_hcd 0000:00:14.0: Set port 2-3 link state, portsc: 0x1203, write 0x11261
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1263, return 0x263
xhci_hcd 0000:00:14.0: set port reset, actual port 2-3 status = 0x1271
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x12b1, return 0x2b1
usb usb2-port3: not reset yet, waiting 60ms
ACPI: PM: Preparing to enter system sleep state S5
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x12f1, return 0x2f1
usb usb2-port3: not reset yet, waiting 200ms
reboot: Restarting system
The port change event is caused by LPM transition, so disabling LPM at shutdown
to make sure the device is in U0 for warmboot.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20240305065140.66801-1-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When ncm function is working and then stop usb0 interface for link down,
eth_stop() is called. At this piont, accidentally if usb transport error
should happen in usb_ep_enable(), 'in_ep' and/or 'out_ep' may not be enabled.
After that, ncm_disable() is called to disable for ncm unbind
but gether_disconnect() is never called since 'in_ep' is not enabled.
As the result, ncm object is released in ncm unbind
but 'dev->port_usb' associated to 'ncm->port' is not NULL.
And when ncm bind again to recover netdev, ncm object is reallocated
but usb0 interface is already associated to previous released ncm object.
Therefore, once usb0 interface is up and eth_start_xmit() is called,
released ncm object is dereferrenced and it might cause use-after-free memory.
[function unlink via configfs]
usb0: eth_stop dev->port_usb=ffffff9b179c3200
--> error happens in usb_ep_enable().
NCM: ncm_disable: ncm=ffffff9b179c3200
--> no gether_disconnect() since ncm->port.in_ep->enabled is false.
NCM: ncm_unbind: ncm unbind ncm=ffffff9b179c3200
NCM: ncm_free: ncm free ncm=ffffff9b179c3200 <-- released ncm
[function link via configfs]
NCM: ncm_alloc: ncm alloc ncm=ffffff9ac4f8a000
NCM: ncm_bind: ncm bind ncm=ffffff9ac4f8a000
NCM: ncm_set_alt: ncm=ffffff9ac4f8a000 alt=0
usb0: eth_open dev->port_usb=ffffff9b179c3200 <-- previous released ncm
usb0: eth_start dev->port_usb=ffffff9b179c3200 <--
eth_start_xmit()
--> dev->wrap()
Unable to handle kernel paging request at virtual address dead00000000014f
This patch addresses the issue by checking if 'ncm->netdev' is not NULL at
ncm_disable() to call gether_disconnect() to deassociate 'dev->port_usb'.
It's more reasonable to check 'ncm->netdev' to call gether_connect/disconnect
rather than check 'ncm->port.in_ep->enabled' since it might not be enabled
but the gether connection might be established.
Signed-off-by: Norihiko Hama <Norihiko.Hama@alpsalpine.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20240327023550.51214-1-Norihiko.Hama@alpsalpine.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Off-by-one errors happen because nr_snk_pdo and nr_src_pdo are
incorrectly added one. The index of the loop is equal to the number of
PDOs to be updated when leaving the loop and it doesn't need to be added
one.
When doing the power negotiation, TCPM relies on the "nr_snk_pdo" as
the size of the local sink PDO array to match the Source capabilities
of the partner port. If the off-by-one overflow occurs, a wrong RDO
might be sent and unexpected power transfer might happen such as over
voltage or over current (than expected).
"nr_src_pdo" is used to set the Rp level when the port is in Source
role. It is also the array size of the local Source capabilities when
filling up the buffer which will be sent as the Source PDOs (such as
in Power Negotiation). If the off-by-one overflow occurs, a wrong Rp
level might be set and wrong Source PDOs will be sent to the partner
port. This could potentially cause over current or port resets.
Fixes: cd099cde4ed2 ("usb: typec: tcpm: Support multiple capabilities")
Cc: stable@vger.kernel.org
Signed-off-by: Kyle Tso <kyletso@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240404133517.2707955-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Instead of bailing when fences have already been installed on the
DMABUF, wait for them (with a timeout) when doing a blocking operation.
This fixes the issue where userspace would submit a DMABUF with fences
already installed, with the (correct) expectation that it would just
work.
Fixes: 7b07a2a7ca02 ("usb: gadget: functionfs: Add DMABUF import interface")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20240402110951.16376-3-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A "read" fence was installed when the DMABUF was to be written to,
and a "write" fence was installed when the DMABUF was to be read from.
Besides, dma_resv_usage_rw() should only be used when waiting for
fences.
Fixes: 7b07a2a7ca02 ("usb: gadget: functionfs: Add DMABUF import interface")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20240402110951.16376-2-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix issues when initially checking for a connector change:
- Use the correct connector number not the entire CCI.
- Call ->read under the PPM lock.
- Remove a bogus READ_ONCE.
Fixes: 808a8b9e0b87 ("usb: typec: ucsi: Check for notifications after init")
Cc: stable@kernel.org
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240401210515.1902048-1-lk@c--e.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Emails to the only maintainer bounce:
<ran.wang_1@nxp.com>: host nxp-com.mail.protection.outlook.com[52.101.68.39]
said: 550 5.4.1 Recipient address rejected: Access denied.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240327175308.520317-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The pointer from a xhci usb virt device to its root hub port
(vdev->rhub_port) is set later when device is addressed, not while
vdev is allocated.
Tracepoints dereferenced this rhub_port pointer when freeing the virt
device, which causes null pointer dereference if tracing is enabled
and device is freed before addressed.
This can happen if tracing is enabled and xhci driver is unloaded before
a device is fully enumerated, or initial enumeration fails and device
is reset and freed before retry.
Don't dereference the rhub_port or show port numbers when tracing
xhci_free_virt_device(). This info is not very useful anyway.
Print the more useful slot id instead
Fixes: 06790c19086f ("xhci: replace real & fake port with pointer to root hub port")
Reported-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Closes: https://lore.kernel.org/linux-usb/20240402005007.klv2ij727fkz7rpd@synopsys.com/
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240404121106.2842417-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If we get STS_HCE we give up on the interrupt, but for the purpose
of IRQ handling that still counts as ours. We may return IRQ_NONE
only if we are positive that it wasn't ours. Hence correct the default.
Fixes: 2a25e66d676d ("xhci: print warning when HCE was set")
Cc: stable@vger.kernel.org # v6.2+
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240404121106.2842417-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Add a missing memory barrier in the concurrency ID mm switching
* tag 'sched_urgent_for_v6.9_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Add missing memory barrier in switch_mm_cid
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Many architectures' switch_mm() (e.g. arm64) do not have an smp_mb()
which the core scheduler code has depended upon since commit:
commit 223baf9d17f25 ("sched: Fix performance regression introduced by mm_cid")
If switch_mm() doesn't call smp_mb(), sched_mm_cid_remote_clear() can
unset the actively used cid when it fails to observe active task after it
sets lazy_put.
There *is* a memory barrier between storing to rq->curr and _return to
userspace_ (as required by membarrier), but the rseq mm_cid has stricter
requirements: the barrier needs to be issued between store to rq->curr
and switch_mm_cid(), which happens earlier than:
- spin_unlock(),
- switch_to().
So it's fine when the architecture switch_mm() happens to have that
barrier already, but less so when the architecture only provides the
full barrier in switch_to() or spin_unlock().
It is a bug in the rseq switch_mm_cid() implementation. All architectures
that don't have memory barriers in switch_mm(), but rather have the full
barrier either in finish_lock_switch() or switch_to() have them too late
for the needs of switch_mm_cid().
Introduce a new smp_mb__after_switch_mm(), defined as smp_mb() in the
generic barrier.h header, and use it in switch_mm_cid() for scheduler
transitions where switch_mm() is expected to provide a memory barrier.
Architectures can override smp_mb__after_switch_mm() if their
switch_mm() implementation provides an implicit memory barrier.
Override it with a no-op on x86 which implicitly provide this memory
barrier by writing to CR3.
Fixes: 223baf9d17f2 ("sched: Fix performance regression introduced by mm_cid")
Reported-by: levi.yun <yeoreum.yun@arm.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> # for arm64
Acked-by: Dave Hansen <dave.hansen@linux.intel.com> # for x86
Cc: <stable@vger.kernel.org> # 6.4.x
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240415152114.59122-2-mathieu.desnoyers@efficios.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix CPU feature dependencies of GFNI, VAES, and VPCLMULQDQ
- Print the correct error code when FRED reports a bad event type
- Add a FRED-specific INT80 handler without the special dances that
need to happen in the current one
- Enable the using-the-default-return-thunk-but-you-should-not warning
only on configs which actually enable those special return thunks
- Check the proper feature flags when selecting BHI retpoline
mitigation
* tag 'x86_urgent_for_v6.9_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpufeatures: Fix dependencies for GFNI, VAES, and VPCLMULQDQ
x86/fred: Fix incorrect error code printout in fred_bad_type()
x86/fred: Fix INT80 emulation for FRED
x86/retpolines: Enable the default thunk warning only on relevant configs
x86/bugs: Fix BHI retpoline check
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Fix cpuid_deps[] to list the correct dependencies for GFNI, VAES, and
VPCLMULQDQ. These features don't depend on AVX512, and there exist CPUs
that support these features but not AVX512. GFNI actually doesn't even
depend on AVX.
This prevents GFNI from being unnecessarily disabled if AVX is disabled
to mitigate the GDS vulnerability.
This also prevents all three features from being unnecessarily disabled
if AVX512VL (or its dependency AVX512F) were to be disabled, but it
looks like there isn't any case where this happens anyway.
Fixes: c128dbfa0f87 ("x86/cpufeatures: Enable new SSE/AVX/AVX512 CPU features")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/20240417060434.47101-1-ebiggers@kernel.org
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regs->orig_ax has been set to -1 on entry so in the printout,
fred_bad_type() should use the passed parameter error_code.
Fixes: 14619d912b65 ("x86/fred: FRED entry/exit and dispatch code")
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Link: https://lore.kernel.org/r/b2a8f0a41449d25240e314a2ddfbf6549511fb04.1713353612.git.houwenlong.hwl@antgroup.com
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Add a FRED-specific INT80 handler and document why it differs from the
current one. Eventually, the common bits will be unified once FRED hw is
available and it turns out that no further changes are needed but for
now, keep the handlers separate for everyone's sanity's sake.
[ bp: Zap duplicated commit message, massage. ]
Fixes: 55617fb991df ("x86/entry: Do not allow external 0x80 interrupts")
Suggested-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Xin Li (Intel) <xin@zytor.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240417174731.4189592-1-xin@zytor.com
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The using-default-thunk warning check makes sense only with
configurations which actually enable the special return thunks.
Otherwise, it fires on unrelated 32-bit configs on which the special
return thunks won't even work (they're 64-bit only) and, what is more,
those configs even go off into the weeds when booting in the
alternatives patching code, leading to a dead machine.
Fixes: 4461438a8405 ("x86/retpoline: Ensure default return thunk isn't used at runtime")
Reported-by: Klara Modin <klarasmodin@gmail.com>
Reported-by: Erhard Furtner <erhard_f@mailbox.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Klara Modin <klarasmodin@gmail.com>
Link: https://lore.kernel.org/r/78e0d19c-b77a-4169-a80f-2eef91f4a1d6@gmail.com
Link: https://lore.kernel.org/r/20240413024956.488d474e@yea
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Confusingly, X86_FEATURE_RETPOLINE doesn't mean retpolines are enabled,
as it also includes the original "AMD retpoline" which isn't a retpoline
at all.
Also replace cpu_feature_enabled() with boot_cpu_has() because this is
before alternatives are patched and cpu_feature_enabled()'s fallback
path is slower than plain old boot_cpu_has().
Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/ad3807424a3953f0323c011a643405619f2a4927.1712944776.git.jpoimboe@kernel.org
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Pull block fixes from Jens Axboe:
"Just two minor fixes that should go into the 6.9 kernel release, one
fixing a regression with partition scanning errors, and one fixing a
WARN_ON() that can get triggered if we race with a timer"
* tag 'block-6.9-20240420' of git://git.kernel.dk/linux:
blk-iocost: do not WARN if iocg was already offlined
block: propagate partition scanning errors to the BLKRRPART ioctl
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In iocg_pay_debt(), warn is triggered if 'active_list' is empty, which
is intended to confirm iocg is active when it has debt. However, warn
can be triggered during a blkcg or disk removal, if iocg_waitq_timer_fn()
is run at that time:
WARNING: CPU: 0 PID: 2344971 at block/blk-iocost.c:1402 iocg_pay_debt+0x14c/0x190
Call trace:
iocg_pay_debt+0x14c/0x190
iocg_kick_waitq+0x438/0x4c0
iocg_waitq_timer_fn+0xd8/0x130
__run_hrtimer+0x144/0x45c
__hrtimer_run_queues+0x16c/0x244
hrtimer_interrupt+0x2cc/0x7b0
The warn in this situation is meaningless. Since this iocg is being
removed, the state of the 'active_list' is irrelevant, and 'waitq_timer'
is canceled after removing 'active_list' in ioc_pd_free(), which ensures
iocg is freed after iocg_waitq_timer_fn() returns.
Therefore, add the check if iocg was already offlined to avoid warn
when removing a blkcg or disk.
Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20240419093257.3004211-1-linan666@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Commit 4601b4b130de ("block: reopen the device in blkdev_reread_part")
lost the propagation of I/O errors from the low-level read of the
partition table to the user space caller of the BLKRRPART.
Apparently some user space relies on, so restore the propagation. This
isn't exactly pretty as other block device open calls explicitly do not
are about these errors, so add a new BLK_OPEN_STRICT_SCAN to opt into
the error propagation.
Fixes: 4601b4b130de ("block: reopen the device in blkdev_reread_part")
Reported-by: Saranya Muruganandam <saranyamohan@google.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Link: https://lore.kernel.org/r/20240417144743.2277601-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull email address update from James Bottomley:
"My IBM email has stopped working, so update to a working email
address"
* tag 'email' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
MAINTAINERS: update to working email address
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jejb@linux.ibm.com no longer works.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Pull kvm fixes from Paolo Bonzini:
"This is a bit on the large side, mostly due to two changes:
- Changes to disable some broken PMU virtualization (see below for
details under "x86 PMU")
- Clean up SVM's enter/exit assembly code so that it can be compiled
without OBJECT_FILES_NON_STANDARD. This fixes a warning "Unpatched
return thunk in use. This should not happen!" when running KVM
selftests.
Everything else is small bugfixes and selftest changes:
- Fix a mostly benign bug in the gfn_to_pfn_cache infrastructure
where KVM would allow userspace to refresh the cache with a bogus
GPA. The bug has existed for quite some time, but was exposed by a
new sanity check added in 6.9 (to ensure a cache is either
GPA-based or HVA-based).
- Drop an unused param from gfn_to_pfn_cache_invalidate_start() that
got left behind during a 6.9 cleanup.
- Fix a math goof in x86's hugepage logic for
KVM_SET_MEMORY_ATTRIBUTES that results in an array overflow
(detected by KASAN).
- Fix a bug where KVM incorrectly clears root_role.direct when
userspace sets guest CPUID.
- Fix a dirty logging bug in the where KVM fails to write-protect
SPTEs used by a nested guest, if KVM is using Page-Modification
Logging and the nested hypervisor is NOT using EPT.
x86 PMU:
- Drop support for virtualizing adaptive PEBS, as KVM's
implementation is architecturally broken without an obvious/easy
path forward, and because exposing adaptive PEBS can leak host LBRs
to the guest, i.e. can leak host kernel addresses to the guest.
- Set the enable bits for general purpose counters in
PERF_GLOBAL_CTRL at RESET time, as done by both Intel and AMD
processors.
- Disable LBR virtualization on CPUs that don't support LBR
callstacks, as KVM unconditionally uses
PERF_SAMPLE_BRANCH_CALL_STACK when creating the perf event, and
would fail on such CPUs.
Tests:
- Fix a flaw in the max_guest_memory selftest that results in it
exhausting the supply of ucall structures when run with more than
256 vCPUs.
- Mark KVM_MEM_READONLY as supported for RISC-V in
set_memory_region_test"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (30 commits)
KVM: Drop unused @may_block param from gfn_to_pfn_cache_invalidate_start()
KVM: selftests: Add coverage of EPT-disabled to vmx_dirty_log_test
KVM: x86/mmu: Fix and clarify comments about clearing D-bit vs. write-protecting
KVM: x86/mmu: Remove function comments above clear_dirty_{gfn_range,pt_masked}()
KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status
KVM: x86/mmu: Precisely invalidate MMU root_role during CPUID update
KVM: VMX: Disable LBR virtualization if the CPU doesn't support LBR callstacks
perf/x86/intel: Expose existence of callback support to KVM
KVM: VMX: Snapshot LBR capabilities during module initialization
KVM: x86/pmu: Do not mask LVTPC when handling a PMI on AMD platforms
KVM: x86: Snapshot if a vCPU's vendor model is AMD vs. Intel compatible
KVM: x86: Stop compiling vmenter.S with OBJECT_FILES_NON_STANDARD
KVM: SVM: Create a stack frame in __svm_sev_es_vcpu_run()
KVM: SVM: Save/restore args across SEV-ES VMRUN via host save area
KVM: SVM: Save/restore non-volatile GPRs in SEV-ES VMRUN via host save area
KVM: SVM: Clobber RAX instead of RBX when discarding spec_ctrl_intercepted
KVM: SVM: Drop 32-bit "support" from __svm_sev_es_vcpu_run()
KVM: SVM: Wrap __svm_sev_es_vcpu_run() with #ifdef CONFIG_KVM_AMD_SEV
KVM: SVM: Create a stack frame in __svm_vcpu_run() for unwinding
KVM: SVM: Remove a useless zeroing of allocated memory
...
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Clean up SVM's enter/exit assembly code so that it can be compiled
without OBJECT_FILES_NON_STANDARD. The "standard" __svm_vcpu_run() can't
be made 100% bulletproof, as RBP isn't restored on #VMEXIT, but that's
also the case for __vmx_vcpu_run(), and getting "close enough" is better
than not even trying.
As for SEV-ES, after yet another refresher on swap types, I realized
KVM can simply let the hardware restore registers after #VMEXIT, all
that's missing is storing the current values to the host save area
(they are swap type B). This should provide 100% accuracy when using
stack frames for unwinding, and requires less assembly.
In between, build the SEV-ES code iff CONFIG_KVM_AMD_SEV=y, and yank out
"support" for 32-bit kernels in __svm_sev_es_vcpu_run, which was
unnecessarily polluting the code for a configuration that is disabled
at build time.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Stop compiling vmenter.S with OBJECT_FILES_NON_STANDARD to skip objtool's
stack validation now that __svm_vcpu_run() and __svm_sev_es_vcpu_run()
create stack frames (though the former's effectiveness is dubious).
Note, due to a quirk in how OBJECT_FILES_NON_STANDARD was handled by the
build system prior to commit bf48d9b756b9 ("kbuild: change tool coverage
variables to take the path relative to $(obj)"), vmx/vmenter.S got lumped
in with svm/vmenter.S. __vmx_vcpu_run() already plays nice with frame
pointers, i.e. it was collateral damage when commit 7f4b5cde2409 ("kvm:
Disable objtool frame pointer checking for vmenter.S") added the
OBJECT_FILES_NON_STANDARD hack-a-fix.
Link: https://lore.kernel.org/all/20240217055504.2059803-1-masahiroy@kernel.org
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-9-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Now that KVM uses the host save area to context switch RBP, i.e.
preserves RBP for the entirety of __svm_sev_es_vcpu_run(), create a stack
frame using the standared FRAME_{BEGIN,END} macros.
Note, __svm_sev_es_vcpu_run() is subtly not a leaf function as it can call
into ibpb_feature() via UNTRAIN_RET_VM.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-8-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Use the host save area to preserve volatile registers that are used in
__svm_sev_es_vcpu_run() to access function parameters after #VMEXIT.
Like saving/restoring non-volatile registers, there's no reason not to
take advantage of hardware restoring registers on #VMEXIT, as doing so
shaves a few instructions and the save area is going to be accessed no
matter what.
Converting all register save/restore code to use the host save area also
make it easier to follow the SEV-ES VMRUN flow in its entirety, as
opposed to having a mix of stack-based versus host save area save/restore.
Add a parameter to RESTORE_HOST_SPEC_CTRL_BODY so that the SEV-ES path
doesn't need to write @spec_ctrl_intercepted to memory just to play nice
with the common macro.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Use the host save area to save/restore non-volatile (callee-saved)
registers in __svm_sev_es_vcpu_run() to take advantage of hardware loading
all registers from the save area on #VMEXIT. KVM still needs to save the
registers it wants restored, but the loads are handled automatically by
hardware.
Aside from less assembly code, letting hardware do the restoration means
stack frames are preserved for the entirety of __svm_sev_es_vcpu_run().
Opportunistically add a comment to call out why @svm needs to be saved
across VMRUN->#VMEXIT, as it's not easy to decipher that from the macro
hell.
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Michael Roth <michael.roth@amd.com>
Cc: Alexey Kardashevskiy <aik@amd.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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POP @spec_ctrl_intercepted into RAX instead of RBX when discarding it from
the stack so that __svm_sev_es_vcpu_run() doesn't modify any non-volatile
registers. __svm_sev_es_vcpu_run() doesn't return a value, and RAX is
already are clobbered multiple times in the #VMEXIT path.
This will allowing using the host save area to save/restore non-volatile
registers in __svm_sev_es_vcpu_run().
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Drop 32-bit "support" from __svm_sev_es_vcpu_run(), as SEV/SEV-ES firmly
64-bit only. The "support" was purely the result of bad copy+paste from
__svm_vcpu_run(), which in turn was slightly less bad copy+paste from
__vmx_vcpu_run().
Opportunistically convert to unadulterated register accesses so that it's
easier (but still not easy) to follow which registers hold what arguments,
and when.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-4-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Compile (and link) __svm_sev_es_vcpu_run() if and only if SEV support is
actually enabled. This will allow dropping non-existent 32-bit "support"
from __svm_sev_es_vcpu_run() without causing undue confusion.
Intentionally don't provide a stub (but keep the declaration), as any sane
compiler, even with things like KASAN enabled, should eliminate the call
to __svm_sev_es_vcpu_run() since sev_es_guest() unconditionally returns
"false" if CONFIG_KVM_AMD_SEV=n.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Unconditionally create a stack frame in __svm_vcpu_run() to play nice with
unwinding via frame pointers, at least until the point where RBP is loaded
with the guest's value. Don't bother conditioning the code on
CONFIG_FRAME_POINTER=y, as RBP needs to be saved and restored anyways (due
to it being clobbered with the guest's value); omitting the "MOV RSP, RBP"
is not worth the extra #ifdef.
Creating a stack frame will allow removing the OBJECT_FILES_NON_STANDARD
tag from vmenter.S once __svm_sev_es_vcpu_run() is fixed to not stomp all
over RBP for no reason.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Remove KVM's unnecessary zeroing of memory when allocating the pages array
in sev_pin_memory() via __vmalloc(), as the array is only used to hold
kernel pointers. The kmalloc() path for "small" regions doesn't zero the
array, and if KVM leaks state and/or accesses uninitialized data, then the
kernel has bigger problems.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/c7619a3d3cbb36463531a7c73ccbde9db587986c.1710004509.git.christophe.jaillet@wanadoo.fr
[sean: massage changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
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- Fix a mostly benign bug in the gfn_to_pfn_cache infrastructure where KVM
would allow userspace to refresh the cache with a bogus GPA. The bug has
existed for quite some time, but was exposed by a new sanity check added in
6.9 (to ensure a cache is either GPA-based or HVA-based).
- Drop an unused param from gfn_to_pfn_cache_invalidate_start() that got left
behind during a 6.9 cleanup.
- Disable support for virtualizing adaptive PEBS, as KVM's implementation is
architecturally broken and can leak host LBRs to the guest.
- Fix a bug where KVM neglects to set the enable bits for general purpose
counters in PERF_GLOBAL_CTRL when initializing the virtual PMU. Both Intel
and AMD architectures require the bits to be set at RESET in order for v2
PMUs to be backwards compatible with software that was written for v1 PMUs,
i.e. for software that will never manually set the global enables.
- Disable LBR virtualization on CPUs that don't support LBR callstacks, as
KVM unconditionally uses PERF_SAMPLE_BRANCH_CALL_STACK when creating the
virtual LBR perf event, i.e. KVM will always fail to create LBR events on
such CPUs.
- Fix a math goof in x86's hugepage logic for KVM_SET_MEMORY_ATTRIBUTES that
results in an array overflow (detected by KASAN).
- Fix a flaw in the max_guest_memory selftest that results in it exhausting
the supply of ucall structures when run with more than 256 vCPUs.
- Mark KVM_MEM_READONLY as supported for RISC-V in set_memory_region_test.
- Fix a bug where KVM incorrectly thinks a TDP MMU root is an indirect shadow
root due KVM unnecessarily clobbering root_role.direct when userspace sets
guest CPUID.
- Fix a dirty logging bug in the where KVM fails to write-protect TDP MMU
SPTEs used for L2 if Page-Modification Logging is enabled for L1 and the L1
hypervisor is NOT using EPT (if nEPT is enabled, KVM doesn't use the TDP MMU
to run L2). For simplicity, KVM always disables PML when running L2, but
the TDP MMU wasn't accounting for root-specific conditions that force write-
protect based dirty logging.
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