cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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quirks.h (2403B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * This file holds the definitions of quirks found in USB devices.
      4 * Only quirks that affect the whole device, not an interface,
      5 * belong here.
      6 */
      7
      8#ifndef __LINUX_USB_QUIRKS_H
      9#define __LINUX_USB_QUIRKS_H
     10
     11/* string descriptors must not be fetched using a 255-byte read */
     12#define USB_QUIRK_STRING_FETCH_255		BIT(0)
     13
     14/* device can't resume correctly so reset it instead */
     15#define USB_QUIRK_RESET_RESUME			BIT(1)
     16
     17/* device can't handle Set-Interface requests */
     18#define USB_QUIRK_NO_SET_INTF			BIT(2)
     19
     20/* device can't handle its Configuration or Interface strings */
     21#define USB_QUIRK_CONFIG_INTF_STRINGS		BIT(3)
     22
     23/* device can't be reset(e.g morph devices), don't use reset */
     24#define USB_QUIRK_RESET				BIT(4)
     25
     26/* device has more interface descriptions than the bNumInterfaces count,
     27   and can't handle talking to these interfaces */
     28#define USB_QUIRK_HONOR_BNUMINTERFACES		BIT(5)
     29
     30/* device needs a pause during initialization, after we read the device
     31   descriptor */
     32#define USB_QUIRK_DELAY_INIT			BIT(6)
     33
     34/*
     35 * For high speed and super speed interrupt endpoints, the USB 2.0 and
     36 * USB 3.0 spec require the interval in microframes
     37 * (1 microframe = 125 microseconds) to be calculated as
     38 * interval = 2 ^ (bInterval-1).
     39 *
     40 * Devices with this quirk report their bInterval as the result of this
     41 * calculation instead of the exponent variable used in the calculation.
     42 */
     43#define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL	BIT(7)
     44
     45/* device can't handle device_qualifier descriptor requests */
     46#define USB_QUIRK_DEVICE_QUALIFIER		BIT(8)
     47
     48/* device generates spurious wakeup, ignore remote wakeup capability */
     49#define USB_QUIRK_IGNORE_REMOTE_WAKEUP		BIT(9)
     50
     51/* device can't handle Link Power Management */
     52#define USB_QUIRK_NO_LPM			BIT(10)
     53
     54/*
     55 * Device reports its bInterval as linear frames instead of the
     56 * USB 2.0 calculation.
     57 */
     58#define USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL	BIT(11)
     59
     60/*
     61 * Device needs to be disconnected before suspend to prevent spurious
     62 * wakeup.
     63 */
     64#define USB_QUIRK_DISCONNECT_SUSPEND		BIT(12)
     65
     66/* Device needs a pause after every control message. */
     67#define USB_QUIRK_DELAY_CTRL_MSG		BIT(13)
     68
     69/* Hub needs extra delay after resetting its port. */
     70#define USB_QUIRK_HUB_SLOW_RESET		BIT(14)
     71
     72/* device has endpoints that should be ignored */
     73#define USB_QUIRK_ENDPOINT_IGNORE		BIT(15)
     74
     75#endif /* __LINUX_USB_QUIRKS_H */