Module devices::usb::xhci::xhci_regs

Structs

• XhciRegs
  XhciRegs hold all xhci registers.

Constants

• CRCR_COMMAND_ABORT
  Bitmask for the crcr register, see spec 5.4.5.
• CRCR_COMMAND_RING_POINTER
  Bitmask for the crcr register, see spec 5.4.5.
• CRCR_COMMAND_RING_RUNNING
  Bitmask for the crcr register, see spec 5.4.5.
• CRCR_COMMAND_STOP
  Bitmask for the crcr register, see spec 5.4.5.
• CRCR_RING_CYCLE_STATE
  Bitmask for the crcr register, see spec 5.4.5.
• DOORBELL_STREAM_ID_OFFSET
  Offset of stream id.
• DOORBELL_TARGET
  Bitmask for doorbell registers.
• ERDP_EVENT_HANDLER_BUSY
  Bitmask for erdp registers, see 5.5.2.3.
• ERDP_EVENT_RING_DEQUEUE_POINTER
  Bitmask for erdp registers, see 5.5.2.3.
• ERDP_SET_TO_CLEAR_MASK
  Bitmask for erdp registers, see 5.5.2.3.
• ERSTBA_SEGMENT_TABLE_BASE_ADDRESS
  Bitmask for erstba registers, see 5.5.2.3.
• ERSTSZ_SEGMENT_TABLE_SIZE
  Bitmask for erstsz registers, see 5.5.2.3.
• HCCPARAMS1_MAX_PSA_SIZE_OFFSET
  Bitmask for hccparams1 register, see spec 5.3.6.
• HCSPARAMS1_MAX_INTERRUPTERS_MASK
  Bitmask for structural parameter registers.
• HCSPARAMS1_MAX_INTERRUPTERS_OFFSET
  Offset of max interrupters.
• HCSPARAMS1_MAX_SLOTS_MASK
  Mask to get max slots.
• IMAN_INTERRUPT_ENABLE
  Bitmask for iman registers, see spec 5.5.2.1.
• IMAN_INTERRUPT_PENDING
  Bitmask for iman registers, see spec 5.5.2.1.
• IMAN_SET_TO_CLEAR_MASK
  Bitmask for iman registers, see spec 5.5.2.1.
• IMOD_INTERRUPT_MODERATION_COUNTER_OFFSET
  Bitmask for imod registers, see spec 5.5.2.2.
• IMOD_INTERRUPT_MODERATION_INTERVAL
  Bitmask for imod registers, see spec 5.5.2.2.
• MAX_INTERRUPTER
  Max interrupter number.
• MAX_PORTS
  Max port number. Review the following before changing this: HCSPARAMS1, portsc, spcap1.3 and spcap2.3.
• MAX_PSA_SIZE
  Maximum primary stream array size, support up to 16 (2^(MAX_PSA_SIZE+1)) streams
• MAX_SLOTS
  For port configuration, see register HCSPARAMS1, spcap1.3 and spcap2.3.
• PORTSC_CONNECT_STATUS_CHANGE
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_CURRENT_CONNECT_STATUS
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_PORT_ENABLED
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_PORT_ENABLED_DISABLED_CHANGE
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_PORT_LINK_STATE_MASK
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_PORT_POWER
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_PORT_RESET
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_PORT_RESET_CHANGE
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_PORT_SPEED_MASK
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_PORT_SPEED_SHIFT
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_SET_TO_CLEAR_MASK
  Bitmask for portsc register, see spec 5.4.8.
• PORTSC_WARM_PORT_RESET
  Bitmask for portsc register, see spec 5.4.8.
• SPCAP_PORT_COUNT_MASK
  Bitmask for extended capabilities registers.
• SPCAP_PORT_COUNT_OFFSET
  Offset of port count.
• USB2_PORTS_END
  Last usb 2 ports is 7.
• USB2_PORTS_START
  Usb 2 ports start from port number 0.
• USB3_PORTS_END
  Last usb 3 port is 15.
• USB3_PORTS_START
  Usb 3 ports start from port number 8.
• USB_CMD_INTERRUPTER_ENABLE
  Bitmask for the usbcmd register, see spec 5.4.1.
• USB_CMD_RESET
  Bitmask for the usbcmd register, see spec 5.4.1.
• USB_CMD_RUNSTOP
  Bitmask for the usbcmd register, see spec 5.4.1.
• USB_STS_CONTROLLER_NOT_READY
  Bitmask for the usbsts register, see spec 5.4.2.
• USB_STS_EVENT_INTERRUPT
  Bitmask for the usbsts register, see spec 5.4.2.
• USB_STS_HALTED
  Bitmask for the usbsts register, see spec 5.4.2.
• USB_STS_PORT_CHANGE_DETECT
  Bitmask for the usbsts register, see spec 5.4.2.
• USB_STS_SET_TO_CLEAR_MASK
  Bitmask for the usbsts register, see spec 5.4.2.
• XHCI_CAPLENGTH
  Cap register length.
• XHCI_DBOFF
  Offset for doorbell register.
• XHCI_RTSOFF
  Offset for RTs.

Functions

• init_xhci_mmio_space_and_regs
  This function returns mmio space definition for xhci. See Xhci spec chapter 5 for details.
• valid_max_pstreams
  Helper function for validating max_pstreams.
• valid_slot_id
  Helper function for validating slot_id.
• valid_stream_id
  Helper function for validating stream_id. (assuming Linear Stream Array)