mirror of
https://github.com/RGBCube/serenity
synced 2025-05-14 20:15:00 +00:00
a957907f4b
Most of the actual logic is identical, with the only real difference being that one wraps it with an async work item. Merge the implementations to reduce duplications (which will also require the fixes in the next commits to only be done once).
33 lines
1.3 KiB
C++
33 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2022, Pankaj R <pankydev8@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Arch/Delay.h>
|
|
#include <Kernel/Devices/BlockDevice.h>
|
|
#include <Kernel/Devices/Storage/NVMe/NVMeDefinitions.h>
|
|
#include <Kernel/Devices/Storage/NVMe/NVMePollQueue.h>
|
|
|
|
namespace Kernel {
|
|
|
|
ErrorOr<NonnullLockRefPtr<NVMePollQueue>> NVMePollQueue::try_create(NonnullOwnPtr<Memory::Region> rw_dma_region, NonnullRefPtr<Memory::PhysicalPage> rw_dma_page, u16 qid, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, OwnPtr<Memory::Region> sq_dma_region, Doorbell db_regs)
|
|
{
|
|
return TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) NVMePollQueue(move(rw_dma_region), rw_dma_page, qid, q_depth, move(cq_dma_region), move(sq_dma_region), move(db_regs))));
|
|
}
|
|
|
|
UNMAP_AFTER_INIT NVMePollQueue::NVMePollQueue(NonnullOwnPtr<Memory::Region> rw_dma_region, NonnullRefPtr<Memory::PhysicalPage> rw_dma_page, u16 qid, u32 q_depth, OwnPtr<Memory::Region> cq_dma_region, OwnPtr<Memory::Region> sq_dma_region, Doorbell db_regs)
|
|
: NVMeQueue(move(rw_dma_region), rw_dma_page, qid, q_depth, move(cq_dma_region), move(sq_dma_region), move(db_regs))
|
|
{
|
|
}
|
|
|
|
void NVMePollQueue::submit_sqe(NVMeSubmission& sub)
|
|
{
|
|
NVMeQueue::submit_sqe(sub);
|
|
SpinlockLocker lock_cq(m_cq_lock);
|
|
while (!process_cq()) {
|
|
microseconds_delay(1);
|
|
}
|
|
}
|
|
|
|
}
|