/
fab_rdma.c
1712 lines (1469 loc) · 52.4 KB
/
fab_rdma.c
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/**
* Copyright (c) 2022-2023, Leap Distributed Tech LLC. All rights reserved.
* See file LICENSE.md for terms.
*/
#include "fabric_api.h"
#include "trace.h"
#include "fab_rdma.tmh"
#pragma warning(push)
#pragma warning(disable:6001) // nameless struct/union
#pragma warning(disable:6101) // bit field types other than int
_IRQL_requires_max_(DISPATCH_LEVEL)
static
VOID
NdkCreateFnCompletionCallback(__in PNDK_FN_ASYNC_COMPLETION_CONTEXT psCtx,
__in NTSTATUS Status,
__in PNDK_OBJECT_HEADER psNdkObject)
{
NT_ASSERT(psCtx);
psCtx->Status = Status;
psCtx->psNdkObject = psNdkObject;
KeSetEvent(&psCtx->sEvent, IO_NO_INCREMENT, FALSE);
}
_IRQL_requires_max_(DISPATCH_LEVEL)
static
VOID
NdkCloseFnCompletionCallback(__in PNDK_FN_ASYNC_COMPLETION_CONTEXT psCtx)
{
NT_ASSERT(psCtx);
KeSetEvent(&psCtx->sEvent, IO_NO_INCREMENT, FALSE);
}
_IRQL_requires_max_(DISPATCH_LEVEL)
static
VOID
NdkCloseFnDoNothingCompletionCallback(__in PVOID Context)
{
UNREFERENCED_PARAMETER(Context);
}
_IRQL_requires_max_(DISPATCH_LEVEL)
static
VOID
NdkFnCompletionCallback(__in PNDK_FN_ASYNC_COMPLETION_CONTEXT psCtx,
__in NTSTATUS Status)
{
NT_ASSERT(psCtx);
psCtx->Status = Status;
KeSetEvent(&psCtx->sEvent, IO_NO_INCREMENT, FALSE);
}
_IRQL_requires_max_(DISPATCH_LEVEL)
static
VOID
NdkDisconnectEventCallback(__in PVOID Context)
{
UNREFERENCED_PARAMETER(Context);
NT_ASSERT(Context);
}
_IRQL_requires_(PASSIVE_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkOpenAdapter(__in NET_IFINDEX InterfaceIndex,
_Outptr_ PNDK_ADAPTER* ppsAdapter)
{
NDK_VERSION ndkVersion = { 1, 0 };
PAGED_CODE();
return gsNdkDispatch.WskOpenNdkAdapter(gsNkdProviderNpi.Client,
ndkVersion,
InterfaceIndex,
ppsAdapter);
}
_IRQL_requires_(PASSIVE_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkQueryAdapterInfo(__in PNDK_ADAPTER psAdapter,
_Out_ PNDK_ADAPTER_INFO psAdapterInfo)
{
ULONG ulAdapterInfoSize = sizeof(NDK_ADAPTER_INFO);
PAGED_CODE();
RtlZeroMemory(psAdapterInfo, ulAdapterInfoSize);
return psAdapter->Dispatch->NdkQueryAdapterInfo(psAdapter,
psAdapterInfo,
&ulAdapterInfoSize);
}
_IRQL_requires_(PASSIVE_LEVEL)
VOID
NdkCloseAdapter(__in _Frees_ptr_ PNDK_ADAPTER psAdapter)
{
PAGED_CODE();
gsNdkDispatch.WskCloseNdkAdapter(gsNkdProviderNpi.Client, psAdapter);
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkCreateCompletionQueue(__in PNDK_CREATE_CQ_PARAMS psCQParam,
_Outref_result_nullonfailure_ PNDK_CQ* ppsCompletionQueue)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status = psCQParam->psAdapter->Dispatch->NdkCreateCq(psCQParam->psAdapter,
psCQParam->ulDepth,
psCQParam->NotificationEventHandler,
psCQParam->Context,
&psCQParam->Affinity,
NdkCreateFnCompletionCallback,
&sCtx,
ppsCompletionQueue);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
*ppsCompletionQueue = (PNDK_CQ)sCtx.psNdkObject;
}
if (NT_ERROR(Status)) {
*ppsCompletionQueue = NULL;
}
return Status;
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkResizeCompletionQueue(__in PNDK_CQ psCompletionQueue,
__in ULONG ulDepth)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
psCompletionQueue->Dispatch->NdkResizeCq(psCompletionQueue,
ulDepth,
NdkFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
}
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
NdkArmCompletionQueue(__in PNDK_SOCKET psClientSocket,
__in PNDK_CQ psNdkCq,
__in ULONG ulTriggerType)
{
UNREFERENCED_PARAMETER(psClientSocket);
NT_ASSERT((NDK_CQ_NOTIFY_ERRORS == ulTriggerType) ||
(NDK_CQ_NOTIFY_ANY == ulTriggerType) ||
(NDK_CQ_NOTIFY_SOLICITED == ulTriggerType));
psNdkCq->Dispatch->NdkArmCq(psNdkCq, ulTriggerType);
}
_IRQL_requires_max_(APC_LEVEL)
VOID
NdkCloseCompletionQueue(__in _Frees_ptr_ PNDK_CQ psCompletionQueue)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status = psCompletionQueue->Dispatch->NdkCloseCq(&psCompletionQueue->Header,
NdkCloseFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
}
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkCreateProtectionDomain(__in PNDK_ADAPTER psAdapter,
_Outptr_result_nullonfailure_ PNDK_PD* ppsProtectionDomain)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
if (!ppsProtectionDomain) {
return STATUS_INVALID_PARAMETER;
}
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
psAdapter->Dispatch->NdkCreatePd(psAdapter,
NdkCreateFnCompletionCallback,
&sCtx,
ppsProtectionDomain);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
*ppsProtectionDomain = (PNDK_PD)sCtx.psNdkObject;
}
if (NT_ERROR(Status)) {
*ppsProtectionDomain = NULL;
}
return Status;
}
_IRQL_requires_max_(APC_LEVEL)
VOID
NdkCloseProtectionDomain(__in _Frees_ptr_ PNDK_PD psProtectionDomain)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status = psProtectionDomain->Dispatch->NdkClosePd(&psProtectionDomain->Header,
NdkCloseFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
}
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkCreateQueuePair(__in PNDK_CREATE_QP_PARAMS psSQParams,
_Outptr_ PNDK_QP* ppsQueuePair)
{
NTSTATUS Status;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
psSQParams->psProtectionDomain->Dispatch->NdkCreateQp(psSQParams->psProtectionDomain,
psSQParams->psReceiveCompletionQueue,
psSQParams->psSubmissionCompletionQueue,
psSQParams->pvContext,
psSQParams->ulReceiveQueueDepth,
psSQParams->ulSubmissionQueueDepth,
psSQParams->ulMaxReceiveSges,
psSQParams->ulMaxSubmissionRequestSges,
0, // we don't use inline data
NdkCreateFnCompletionCallback,
&sCtx,
ppsQueuePair);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
*ppsQueuePair = (NDK_QP*)sCtx.psNdkObject;
}
if (NT_ERROR(Status)) {
*ppsQueuePair = NULL;
}
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
NdkFlushQueuePair(__in PNDK_QP psQueuePair)
{
psQueuePair->Dispatch->NdkFlush(psQueuePair);
}
_IRQL_requires_max_(APC_LEVEL)
VOID
NdkCloseQueuePair(__in _Frees_ptr_ PNDK_QP psQueuePair)
{
NTSTATUS Status;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status = psQueuePair->Dispatch->NdkCloseQp(&psQueuePair->Header,
NdkCloseFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
}
else {
NT_ASSERT(NT_SUCCESS(Status));
}
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkCreateConnector(__in PNDK_ADAPTER psAdapter,
_Outptr_ PNDK_CONNECTOR* ppsConnector)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
psAdapter->Dispatch->NdkCreateConnector(psAdapter,
NdkCreateFnCompletionCallback,
&sCtx,
ppsConnector);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
*ppsConnector = (NDK_CONNECTOR*)sCtx.psNdkObject;
}
if (NT_ERROR(Status)) {
*ppsConnector = NULL;
}
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkGetConnectionData(__in PNDK_CONNECTOR psConnector,
_Out_opt_ PULONG pulInboundReadLimit,
_Out_opt_ PULONG pulOutboundReadLimit)
{
ULONG ulPrivateDataLen = 0;
return
psConnector->Dispatch->NdkGetConnectionData(psConnector,
pulInboundReadLimit,
pulOutboundReadLimit,
NULL,
&ulPrivateDataLen);
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkConnect(__in PNDK_SOCKET psClientSocket,
__in PVOID pvPrivateData,
__in ULONG ulPrivateDataLen,
__in PNDK_QUEUE_PAIR_BUNDLE psSQ)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
NT_ASSERT(psClientSocket->ulType == NdkSocketTypeClient);
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
//
// Since the socket isn't connected yet, grab read limits from the adapter. The socket limits
// get set later
//
Status =
psSQ->psNdkConnector->Dispatch->NdkConnect(psSQ->psNdkConnector,
psSQ->psNdkQp,
(PSOCKADDR)&psSQ->sLocalAddress,
NdkGetSockAddrCbSize(&psClientSocket->sLocalAddress),
(PSOCKADDR)&psClientSocket->sRemoteAddress,
NdkGetSockAddrCbSize(&psClientSocket->sRemoteAddress),
psClientSocket->sRdmaAdapter.usMaxInboundReadLimit,
psClientSocket->sRdmaAdapter.usMaxOutboundReadLimit,
pvPrivateData,
ulPrivateDataLen,
NdkFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
}
return Status;
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkDisconnect(__in PNDK_SOCKET psClientSocket,
__in PNDK_QUEUE_PAIR_BUNDLE psSQ)
{
UNREFERENCED_PARAMETER(psClientSocket);
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
NT_ASSERT(psClientSocket->ulType == NdkSocketTypeClient);
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
//
// Since the socket isn't connected yet, grab read limits from the adapter. The socket limits
// get set later
//
Status =
psSQ->psNdkConnector->Dispatch->NdkDisconnect(psSQ->psNdkConnector,
NdkFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
}
return Status;
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkCompleteConnect(__in PNDK_SOCKET psClientSocket,
__in PNDK_QUEUE_PAIR_BUNDLE psSQ)
{
UNREFERENCED_PARAMETER(psClientSocket);
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
NT_ASSERT(psClientSocket->ulType == NdkSocketTypeClient);
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
psSQ->psNdkConnector->Dispatch->NdkCompleteConnect(psSQ->psNdkConnector,
psSQ->sQPCBs.fnQPDisconnectEventHandler,
psSQ->sQPCBs.pvQPDisconnectEventCtx,
NdkFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
}
return Status;
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkAccept(__in PNDK_SOCKET psServerSocket,
__in PNDK_QUEUE_PAIR_BUNDLE psSQ)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
NT_ASSERT(psServerSocket->ulType == NdkSocketTypeServer);
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
psSQ->psNdkConnector->Dispatch->NdkAccept(psSQ->psNdkConnector,
psSQ->psNdkQp,
psServerSocket->usSockMaxInboundReadLimit,
psServerSocket->usSockMaxOutboundReadLimit,
NULL,
0,
NdkDisconnectEventCallback,
psServerSocket,
NdkFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
}
return Status;
}
_IRQL_requires_max_(APC_LEVEL)
VOID
NdkCloseConnector(__in _Frees_ptr_ PNDK_CONNECTOR psConnector)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
psConnector->Dispatch->NdkCloseConnector(&psConnector->Header,
NdkCloseFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
}
}
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
NdkCloseConnectorAsyncNoCallback(__in _Frees_ptr_ PNDK_CONNECTOR psConnector)
{
psConnector->Dispatch->NdkCloseConnector(&psConnector->Header,
NdkCloseFnDoNothingCompletionCallback,
NULL);
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkCreateListener(__in NDK_ADAPTER* Adapter,
__in NDK_FN_CONNECT_EVENT_CALLBACK ConnectEventHandler,
__in_opt PVOID pvContext,
_Outptr_ NDK_LISTENER** Listener)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
Adapter->Dispatch->NdkCreateListener(Adapter,
ConnectEventHandler,
pvContext,
NdkCreateFnCompletionCallback,
&sCtx,
Listener);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
*Listener = (NDK_LISTENER*)sCtx.psNdkObject;
}
if (NT_ERROR(Status)) {
*Listener = NULL;
}
return Status;
}
_IRQL_requires_max_(APC_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkListen(__in NDK_LISTENER* Listener,
__in CONST PSOCKADDR Address,
__in ULONG AddressCbLength)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent, NotificationEvent, FALSE);
Status =
Listener->Dispatch->NdkListen(Listener,
Address,
AddressCbLength,
NdkFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
Status = sCtx.Status;
}
return Status;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
NdkPauseListener(__in NDK_LISTENER* Listener)
{
Listener->Dispatch->NdkControlConnectEvents(Listener, TRUE);
}
_IRQL_requires_max_(APC_LEVEL)
VOID
NdkCloseListener(__in _Frees_ptr_ NDK_LISTENER* Listener)
{
NTSTATUS Status = STATUS_SUCCESS;
NDK_FN_ASYNC_COMPLETION_CONTEXT sCtx = { 0 };
PAGED_CODE();
KeInitializeEvent(&sCtx.sEvent,
NotificationEvent,
FALSE);
Status = Listener->Dispatch->NdkCloseListener(&Listener->Header,
NdkCloseFnCompletionCallback,
&sCtx);
if (Status == STATUS_PENDING) {
KeWaitForSingleObject(&sCtx.sEvent, Executive, KernelMode, FALSE, 0);
}
}
/// <summary>
/// NDK socket level operations
/// </summary>
static PCHAR pcaNdkRdmaTech[] = {
"NdkUndefined",
"NdkiWarp",
"NdkInfiniBand",
"NdkRoCE",
"NdkRoCEv2",
"NdkMaxTechnology"
};
FORCEINLINE
VOID
NdkPrintAdapterInfo(PNDK_ADAPTER_INFO psAdapterInfo)
{
DbgPrint("\n%s:%d:"
"\n Version:%u.%u, VendorID:%x, DeviceID:%x"
"\n MaxRegistrationSize %llu"
"\n MaxWindowSize %llu"
"\n FRMRPageCount %lu"
"\n MaxInitiatorRequestSge %lu"
"\n MaxReceiveRequestSge %lu"
"\n MaxReadRequestSge %lu"
"\n MaxTransferLength %lu"
"\n MaxInlineDataSize %lu",
__FUNCTION__, __LINE__,
psAdapterInfo->Version.Major,
psAdapterInfo->Version.Minor,
psAdapterInfo->VendorId,
psAdapterInfo->DeviceId,
psAdapterInfo->MaxRegistrationSize,
psAdapterInfo->MaxWindowSize,
psAdapterInfo->FRMRPageCount,
psAdapterInfo->MaxInitiatorRequestSge,
psAdapterInfo->MaxReceiveRequestSge,
psAdapterInfo->MaxReadRequestSge,
psAdapterInfo->MaxTransferLength,
psAdapterInfo->MaxInlineDataSize);
DbgPrint("\n MaxInboundReadLimit %lu"
"\n MaxOutboundReadLimit %lu"
"\n MaxReceiveQueueDepth %lu"
"\n MaxInitiatorQueueDepth %lu"
"\n MaxSrqDepth %lu"
"\n MaxCqDepth %lu"
"\n LargeRequestThreshold %lu"
"\n MaxCallerData %lu"
"\n MaxCalleeData %lu"
"\n AdapterFlags %lu"
"\n RdmaTechnology %lu (%s)\n",
psAdapterInfo->MaxInboundReadLimit,
psAdapterInfo->MaxOutboundReadLimit,
psAdapterInfo->MaxReceiveQueueDepth,
psAdapterInfo->MaxInitiatorQueueDepth,
psAdapterInfo->MaxSrqDepth,
psAdapterInfo->MaxCqDepth,
psAdapterInfo->LargeRequestThreshold,
psAdapterInfo->MaxCallerData,
psAdapterInfo->MaxCalleeData,
psAdapterInfo->AdapterFlags,
psAdapterInfo->RdmaTechnology,
pcaNdkRdmaTech[psAdapterInfo->RdmaTechnology]);
}
_IRQL_requires_(PASSIVE_LEVEL)
VOID
NdkCloseRdmaAdapter(__in _Frees_ptr_ PMY_NDK_ADAPTER psAdapter)
{
PAGED_CODE();
if (psAdapter->psNdkAdapter) {
NdkCloseAdapter(psAdapter->psNdkAdapter);
}
if (psAdapter->pwsInterfaceAlias) {
NdkFreeNpp(psAdapter->pwsInterfaceAlias);
}
}
_IRQL_requires_(PASSIVE_LEVEL)
NTSTATUS
NdkOpenRdmaAdapter(__in IF_INDEX IfIndex,
__in PMY_NDK_ADAPTER psAdapter)
{
NTSTATUS Status = STATUS_SUCCESS;
PNDK_ADAPTER_INFO psAdapterInfo = NULL;
PAGED_CODE();
RtlZeroMemory(psAdapter, sizeof(*psAdapter));
Status = NdkOpenAdapter(IfIndex, &psAdapter->psNdkAdapter);
if (NT_ERROR(Status)) {
DbgPrint("%s:%d:Failed to open adapter with Status = 0x%x!\n ", __FUNCTION__, __LINE__, Status);
return (Status);
}
psAdapterInfo = &psAdapter->sAdapterInfo;
Status = NdkQueryAdapterInfo(psAdapter->psNdkAdapter, &psAdapter->sAdapterInfo);
if (NT_ERROR(Status)) {
NdkCloseRdmaAdapter(psAdapter);
DbgPrint("%s:%d:Failed to Query adapter with Status = 0x%x!\n ", __FUNCTION__, __LINE__, Status);
return (Status);
}
NdkPrintAdapterInfo(psAdapterInfo);
if ((psAdapterInfo->AdapterFlags & NDK_ADAPTER_FLAG_RDMA_READ_SINK_NOT_REQUIRED) == 0) {
NdkCloseRdmaAdapter(psAdapter);
return (STATUS_NOT_SUPPORTED);
}
psAdapter->ulInterfaceIndex = IfIndex;
psAdapter->bSupportsInterruptModeration = ((psAdapterInfo->AdapterFlags & NDK_ADAPTER_FLAG_CQ_INTERRUPT_MODERATION_SUPPORTED) != 0);
psAdapter->usRqDepth = (USHORT)min3(MAXUSHORT, psAdapterInfo->MaxCqDepth, psAdapterInfo->MaxReceiveQueueDepth);
psAdapter->usSqDepth = (USHORT)min3(MAXUSHORT, psAdapterInfo->MaxCqDepth, psAdapterInfo->MaxInitiatorQueueDepth);
psAdapter->usMaxInboundReadLimit = (USHORT)min(MAXUSHORT, psAdapterInfo->MaxInboundReadLimit);
psAdapter->usMaxOutboundReadLimit = (USHORT)min(MAXUSHORT, psAdapterInfo->MaxOutboundReadLimit);
psAdapter->usMaxFrmrPageCount = (USHORT)min(MAXUSHORT, psAdapterInfo->FRMRPageCount);
psAdapter->usMaxReceiveSges = (USHORT)min(NDK_MAX_NUM_SGE_PER_LIST, psAdapterInfo->MaxReceiveRequestSge);
psAdapter->ulMaxReceiveCbSize = (ULONG)min4(NDK_RECEIVE_MAX_BUFFER_SIZE, (ULONG)(psAdapter->usMaxReceiveSges * NDK_MAX_SGE_SIZE),
psAdapterInfo->MaxTransferLength, (ULONG)psAdapterInfo->MaxRegistrationSize);
psAdapter->usMaxSqSges = (USHORT)min(NDK_MAX_NUM_SGE_PER_LIST, psAdapterInfo->MaxInitiatorRequestSge);
psAdapter->ulMaxSqCbSize = (ULONG)min3((SIZE_T)(psAdapter->usMaxSqSges * NDK_MAX_SGE_SIZE), (SIZE_T)psAdapterInfo->MaxTransferLength, psAdapterInfo->MaxRegistrationSize);
psAdapter->usMaxReadSges = (USHORT)min(NDK_MAX_NUM_SGE_PER_LIST, psAdapterInfo->MaxReadRequestSge);
psAdapter->ulMaxReadCbSize = (ULONG)min3((SIZE_T)(psAdapter->usMaxReadSges * NDK_MAX_SGE_SIZE), (SIZE_T)psAdapterInfo->MaxTransferLength, psAdapterInfo->MaxRegistrationSize);
if (psAdapterInfo->Version.Major > 1 || (psAdapterInfo->Version.Major == 1 && psAdapterInfo->Version.Minor >= 2)) {
psAdapter->bSupportsRemoteInvalidation = TRUE;
psAdapter->bSupportsDeferredPosting = TRUE;
}
//
// Retrieve the adapter's alias
//
psAdapter->pwsInterfaceAlias = (PWSTR)NdkAllocateNpp(sizeof(WCHAR) * (NDIS_IF_MAX_STRING_SIZE + 1));
if (!psAdapter->pwsInterfaceAlias) {
NdkCloseRdmaAdapter(psAdapter);
return (STATUS_NO_MEMORY);
}
Status = ConvertInterfaceIndexToLuid(IfIndex, &psAdapter->sIfLuid);
if (NT_ERROR(Status)) {
NdkCloseRdmaAdapter(psAdapter);
return (Status);
}
Status = ConvertInterfaceLuidToAlias(&psAdapter->sIfLuid, psAdapter->pwsInterfaceAlias, (NDIS_IF_MAX_STRING_SIZE + 1));
if (NT_ERROR(Status)) {
NdkCloseRdmaAdapter(psAdapter);
return (Status);
}
return Status;
}
_IRQL_requires_(PASSIVE_LEVEL)
_Must_inspect_result_
NTSTATUS
NdkCreateRdmaQPair(__in PNDK_SOCKET psRDMASocket,
__in PNDK_QP_CBS psSQCallbacks,
__in ULONG ulInQD,
__in ULONG ulOutQD,
__in PNDK_QUEUE_PAIR_BUNDLE psSQ)
{
NTSTATUS Status = STATUS_SUCCESS;
PNDK_CREATE_QP_PARAMS psSQParam = NULL;
PNDK_CREATE_CQ_PARAMS psCQParams = NdkAllocateNpp(sizeof(*psCQParams));
if (!psCQParams) {
return STATUS_NO_MEMORY;
}
psSQParam = NdkAllocateNpp(sizeof(*psSQParam));
if (!psSQParam) {
NdkFreeNpp(psCQParams);
return STATUS_NO_MEMORY;
}
psSQ->sQPCBs = *psSQCallbacks;
KeQueryNodeActiveAffinity(KeGetCurrentNodeNumber(),
&psCQParams->Affinity,
NULL);
psCQParams->psAdapter = psRDMASocket->sRdmaAdapter.psNdkAdapter;
psCQParams->Context = psSQ->sQPCBs.pvReceiveCQNotificationCtx;
psCQParams->NotificationEventHandler = psSQ->sQPCBs.fnReceiveCQNotificationEventHandler;
psCQParams->ulDepth = ulInQD;
Status = NdkCreateCompletionQueue(psCQParams,
&psSQ->psNdkRcq);
if (NT_ERROR(Status)) {
DbgPrint("%s:%d:Failed to Create Receive Completion Queue with Status = 0x%x!\n ", __FUNCTION__, __LINE__, Status);
NdkFreeNpp(psCQParams);
NdkFreeNpp(psSQParam);
return (Status);
}
psCQParams->Context = psSQ->sQPCBs.pvSendCQNotificationCtx;
psCQParams->NotificationEventHandler = psSQ->sQPCBs.fnSendCQNotificationEventHandler;
psCQParams->ulDepth = ulOutQD;
//
// Create the socket's Send Completion Queue (SCQ)
//
Status = NdkCreateCompletionQueue(psCQParams,
&psSQ->psNdkScq);
if (NT_ERROR(Status)) {
NdkCloseCompletionQueue(psSQ->psNdkRcq);
DbgPrint("%s:%d:Failed to Create Send Completion Queue with Status = 0x%x!\n ", __FUNCTION__, __LINE__, Status);
NdkFreeNpp(psCQParams);
NdkFreeNpp(psSQParam);
return (Status);
}
//
// If the adapter supports interrupt moderation then set the moderation parameters
//
if (psRDMASocket->sRdmaAdapter.bSupportsInterruptModeration) {
// Set RCQ interrupt moderation parameters
Status =
psSQ->psNdkRcq->Dispatch->NdkControlCqInterruptModeration(psSQ->psNdkRcq,
CQ_INTERRUPT_MODERATION_INTERVAL,
CQ_INTERRUPT_MODERATION_COUNT);
if (NT_ERROR(Status)) {
NdkCloseCompletionQueue(psSQ->psNdkRcq);
NdkCloseCompletionQueue(psSQ->psNdkScq);
DbgPrint("%s:%d:Failed to set Moderation for Rcq with Status = 0x%x!\n ", __FUNCTION__, __LINE__, Status);
NdkFreeNpp(psCQParams);
NdkFreeNpp(psSQParam);
return (Status);
}
// Set SCQ interrupt moderation parameters
Status =
psSQ->psNdkScq->Dispatch->NdkControlCqInterruptModeration(psSQ->psNdkScq,
CQ_INTERRUPT_MODERATION_INTERVAL,
CQ_INTERRUPT_MODERATION_COUNT);
if (NT_ERROR(Status)) {
NdkCloseCompletionQueue(psSQ->psNdkRcq);
NdkCloseCompletionQueue(psSQ->psNdkScq);
DbgPrint("%s:%d:Failed to set Moderation for Scq with Status = 0x%x!\n ", __FUNCTION__, __LINE__, Status);
NdkFreeNpp(psCQParams);
NdkFreeNpp(psSQParam);
return (Status);
}
}
psSQParam->psProtectionDomain = psRDMASocket->psNdkPd;
psSQParam->psReceiveCompletionQueue = psSQ->psNdkRcq;
psSQParam->psSubmissionCompletionQueue = psSQ->psNdkScq;
psSQParam->pvContext = psSQ;
psSQParam->ulReceiveQueueDepth = ulInQD;
psSQParam->ulSubmissionQueueDepth = ulOutQD;
psSQParam->ulMaxReceiveSges = psRDMASocket->usSockMaxReceiveSges;
psSQParam->ulMaxSubmissionRequestSges = psRDMASocket->usSockMaxSqSges;
Status = NdkCreateQueuePair(psSQParam,
&psSQ->psNdkQp);
if (NT_ERROR(Status)) {
DbgPrint("%s:%d:Failed to Create Queue Pair with Status = 0x%x!\n ", __FUNCTION__, __LINE__, Status);
NdkCloseCompletionQueue(psSQ->psNdkRcq);
NdkCloseCompletionQueue(psSQ->psNdkScq);
NdkFreeNpp(psCQParams);
NdkFreeNpp(psSQParam);
return (Status);
}
_InterlockedIncrement16((PSHORT)&psRDMASocket->usSockQPCount);
psSQ->psParentSocket = psRDMASocket;
psSQ->uiPrivilagedMemoryToken = psRDMASocket->uiPrivilegedMrToken;
psSQ->ulReceiveSize = psRDMASocket->ulSockMaxReceiveCbSize;
psSQ->ulSendSize = psRDMASocket->ulSockMaxSqCbSize;
psSQ->usMaxSubmissionSGEs = min(NDK_NVME_RDMA_MAX_INLINE_SEGMENTS, psRDMASocket->usSockMaxSqSges);
NdkFreeNpp(psCQParams);
NdkFreeNpp(psSQParam);
return (STATUS_SUCCESS);
}
_IRQL_requires_(PASSIVE_LEVEL)
_Must_inspect_result_
static
NTSTATUS
NdkDestroyRdmaSocket(__notnull PNDK_SOCKET psRDMASocket)
{
if (psRDMASocket) {
if (psRDMASocket->psNdkPd) {
DbgPrint("%s:%d:Trying to close Protection domain !\n ", __FUNCTION__, __LINE__);
NdkCloseProtectionDomain(psRDMASocket->psNdkPd);
psRDMASocket->psNdkPd = NULL;
}
if (psRDMASocket->sRdmaAdapter.psNdkAdapter) {
DbgPrint("%s:%d:Trying to close Adapter!\n ", __FUNCTION__, __LINE__);
NdkCloseRdmaAdapter(&psRDMASocket->sRdmaAdapter);
psRDMASocket->sRdmaAdapter.psNdkAdapter = NULL;
}
DbgPrint("%s:%d:Freeing Socket!\n ", __FUNCTION__, __LINE__);
NdkFreeNpp(psRDMASocket);
}
return (STATUS_SUCCESS);
}
static
VOID
NdkPrintSocketInfo(PNDK_SOCKET psRdmaSocket)
{
DbgPrint("%s:%d:RDMA Socket Information:"
"\n Interface Index %llu"
"\n Ref Count %d"
"\n PrivilegedMrToken %u"
"\n SockMaxReceiveCbSize %lu"
"\n SockMaxSqCbSize %lu"
"\n SockMaxReadCbSize %lu"
"\n SockRqDepth %hu"
"\n SockSqDepth %hu"
"\n SockMaxInboundReadLimit %hu"
"\n SockMaxOutboundReadLimit %hu"
"\n SockMaxFrmrPageCount %hu"
"\n SockMaxSqSges %hu"
"\n SockMaxReadSges %hu"
"\n SockMaxReceiveSges %hu"
"\n SockMaxNumReceives %hu"
"\n SockMaxNumSends %hu"
"\n SockQPCount %hu"
"\n DisconnectCallbackEnabled %hu"
"\n SupportsRemoteInvalidation %lu\n",
__FUNCTION__, __LINE__,
psRdmaSocket->ulInterfaceIndex,
psRdmaSocket->lRefCount,
psRdmaSocket->uiPrivilegedMrToken,
psRdmaSocket->ulSockMaxReceiveCbSize,
psRdmaSocket->ulSockMaxSqCbSize,
psRdmaSocket->ulSockMaxReadCbSize,
psRdmaSocket->usSockRqDepth,
psRdmaSocket->usSockSqDepth,
psRdmaSocket->usSockMaxInboundReadLimit,
psRdmaSocket->usSockMaxOutboundReadLimit,
psRdmaSocket->usSockMaxFrmrPageCount,
psRdmaSocket->usSockMaxSqSges,
psRdmaSocket->usSockMaxReadSges,
psRdmaSocket->usSockMaxReceiveSges,
psRdmaSocket->usSockMaxNumReceives,
psRdmaSocket->usSockMaxNumSends,
psRdmaSocket->usSockQPCount,
psRdmaSocket->bDisconnectCallbackEnabled,
psRdmaSocket->bSupportsRemoteInvalidation);
}
//
// Performs socket creation tasks that are common to both client and server sockets
//
// @param[in] AdapterIfIndex The interface index of the RDMA adapter to associate
// with the socket.
//
// @param[out] oSocket A pointer to an RDMA_SOCKET pointer that will receive the
// address of the newly created socket.
//
// @retval STATUS_SUCCESS The socket was successfully created
//
// @retval "An NTSTATUS error code" An error occurred
//
// @irql PASSIVE_LEVEL