class RequestProcessor

Defined at line 19 of file ../../src/devices/block/drivers/ufs/request_processor.h

Protected Members

mutex slot_lock_

uint32_t allocated_slots_mask_

RequestList slots_

Ufs & controller_

MmioView register_

duration timeout_

atomic disable_completion_

template <typename Processor, typename Descriptor>

zx::result<std::unique_ptr<Processor>> Create (Ufs & ufs, zx::unowned_bti bti, const fdf::MmioView mmio, uint8_t entry_count)

Defined at line 16 of file ../../src/devices/block/drivers/ufs/request_processor.cc

uint8_t GetSlotCount ()

Defined at line 42 of file ../../src/devices/block/drivers/ufs/request_processor.h

RequestList & GetRequestListLocked ()

For testing

Defined at line 45 of file ../../src/devices/block/drivers/ufs/request_processor.h

const RequestList & GetRequestListLocked ()

Defined at line 46 of file ../../src/devices/block/drivers/ufs/request_processor.h

std::mutex & GetSlotLock ()

Defined at line 47 of file ../../src/devices/block/drivers/ufs/request_processor.h

void DisableCompletion ()

Defined at line 50 of file ../../src/devices/block/drivers/ufs/request_processor.h

void EnableCompletion ()

Defined at line 51 of file ../../src/devices/block/drivers/ufs/request_processor.h

zx::result<> Init ()

Write the address of the list to the list base address register and set the run-stop register.

uint32_t ProcessCompletionOfIoRequests ()

Check all slots to process completed requests. This function returns the number of completed

requests. This function is called by the ISR.

void RequestProcessor (RequestList request_list, Ufs & ufs, zx::unowned_bti bti, const fdf::MmioView mmio, uint32_t slot_count)

Defined at line 21 of file ../../src/devices/block/drivers/ufs/request_processor.h

void ~RequestProcessor ()

Defined at line 28 of file ../../src/devices/block/drivers/ufs/request_processor.h

void SetTimeout (zx::duration timeout)

Defined at line 48 of file ../../src/devices/block/drivers/ufs/request_processor.h

zx::duration GetTimeout ()

Defined at line 49 of file ../../src/devices/block/drivers/ufs/request_processor.h

zx::unowned_bti & GetBti ()

Defined at line 54 of file ../../src/devices/block/drivers/ufs/request_processor.h

zx::result<uint8_t> ReserveSlot ()

Get the number of the free slot and mark it as |SlotState::kReserved|.

Defined at line 55 of file ../../src/devices/block/drivers/ufs/request_processor.cc

void SetSlotStateLocked (uint8_t slot_num, SlotState state)

Defined at line 56 of file ../../src/devices/block/drivers/ufs/request_processor.h

template <typename Callback>

void ForEachAllocatedSlotLocked (Callback && callback, uint32_t excluded_mask)

Defined at line 67 of file ../../src/devices/block/drivers/ufs/request_processor.h

zx::result<> ClearSlot (RequestSlot & request_slot)

Defined at line 90 of file ../../src/devices/block/drivers/ufs/request_processor.cc

zx::result<> ClearSlotLocked (RequestSlot & request_slot)

Defined at line 73 of file ../../src/devices/block/drivers/ufs/request_processor.cc

void ReclaimTimedOutSlotsLocked ()

Defined at line 43 of file ../../src/devices/block/drivers/ufs/request_processor.cc

void RingRequestDoorbell (uint8_t slot_num)

Ring the door bell.

Defined at line 107 of file ../../src/devices/block/drivers/ufs/request_processor.cc

void RingRequestDoorbellLocked (uint8_t slot_num)

Defined at line 95 of file ../../src/devices/block/drivers/ufs/request_processor.cc