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| 1 | +/*============================================================================== |
| 2 | +Copyright(c) 2019 Intel Corporation |
| 3 | +
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| 4 | +Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | +copy of this software and associated documentation files(the "Software"), |
| 6 | +to deal in the Software without restriction, including without limitation |
| 7 | +the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | +and / or sell copies of the Software, and to permit persons to whom the |
| 9 | +Software is furnished to do so, subject to the following conditions: |
| 10 | +
|
| 11 | +The above copyright notice and this permission notice shall be included |
| 12 | +in all copies or substantial portions of the Software. |
| 13 | +
|
| 14 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 15 | +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | +THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 18 | +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 19 | +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 20 | +OTHER DEALINGS IN THE SOFTWARE. |
| 21 | +============================================================================*/ |
| 22 | + |
| 23 | +#include "Internal/Common/GmmLibInc.h" |
| 24 | + |
| 25 | +#if defined(__linux__) && !LHDM |
| 26 | +#include "Internal/Linux/GmmResourceInfoLinInt.h" |
| 27 | + |
| 28 | +///////////////////////////////////////////////////////////////////////////////////// |
| 29 | +/// This is an overloaded function to call DeviceCb Function for CreateAllocation |
| 30 | +/// |
| 31 | +/// @param[in] ClientType |
| 32 | +/// @param[in] pDeviceCb: Pointer to GMM_DEVICE_CALLBACKS_INT Struct |
| 33 | +/// @param[in] pAllocate: Pointer to GMM_DDI_ALLOCATE Union |
| 34 | +/// @return Status of CreateAllocation call. |
| 35 | +///////////////////////////////////////////////////////////////////////////////////// |
| 36 | +int GmmDeviceCallback(GMM_CLIENT ClientType, GMM_DEVICE_CALLBACKS_INT *pDeviceCb, GMM_DDI_ALLOCATE *pAllocate) |
| 37 | +{ |
| 38 | + int Status = 0; |
| 39 | + void * pBo = NULL; |
| 40 | + void * pCpuAddr = NULL; |
| 41 | + uint64_t gpuAddr = 0ULL; |
| 42 | + |
| 43 | + Status = pDeviceCb->DevCbPtrs_.pfnAllocate(pDeviceCb->pBufMgr, |
| 44 | + pAllocate->size, |
| 45 | + pAllocate->alignment, |
| 46 | + &pBo, |
| 47 | + &pCpuAddr, |
| 48 | + &gpuAddr); |
| 49 | + pAllocate->bo = pBo; |
| 50 | + pAllocate->cpuAddr = pCpuAddr; |
| 51 | + pAllocate->gfxAddr = gpuAddr; |
| 52 | + |
| 53 | + return Status; |
| 54 | +} |
| 55 | + |
| 56 | +///////////////////////////////////////////////////////////////////////////////////// |
| 57 | +/// This is an overloaded function to call DeviceCb Function for DestroyAllocation |
| 58 | +/// |
| 59 | +/// @param[in] ClientType |
| 60 | +/// @param[in] pDeviceCb: Pointer to GMM_DEVICE_CALLBACKS_INT Struct |
| 61 | +/// @param[in] pAllocate: Pointer to GMM_DDI_DEALLOCATE Union |
| 62 | +/// @return Status of DestroyAllocation call. |
| 63 | +///////////////////////////////////////////////////////////////////////////////////// |
| 64 | +int GmmDeviceCallback(GMM_CLIENT ClientType, GMM_DEVICE_CALLBACKS_INT *pDeviceCb, GMM_DDI_DEALLOCATE *pDeallocate) |
| 65 | +{ |
| 66 | + int Status = 0; |
| 67 | + |
| 68 | + pDeviceCb->DevCbPtrs_.pfnDeallocate(pDeallocate->bo); |
| 69 | + |
| 70 | + return Status; |
| 71 | +} |
| 72 | + |
| 73 | +///////////////////////////////////////////////////////////////////////////////////// |
| 74 | +/// This is an overloaded function to call DeviceCb Function for WaitForSyncObjFromCpu |
| 75 | +/// |
| 76 | +/// @param[in] ClientType |
| 77 | +/// @param[in] pDeviceCb: Pointer to GMM_DEVICE_CALLBACKS_INT Struct |
| 78 | +/// @param[in] pAllocate: Pointer to GMM_DDI_WAITFORSYNCHRONIZATIONOBJECTFROMCPU Union |
| 79 | +/// @return Status of WaitForSyncObjFromCpu call. |
| 80 | +///////////////////////////////////////////////////////////////////////////////////// |
| 81 | +int GmmDeviceCallback(GMM_CLIENT ClientType, GMM_DEVICE_CALLBACKS_INT *pDeviceCb, GMM_DDI_WAITFORSYNCHRONIZATIONOBJECTFROMCPU *pWait) |
| 82 | +{ |
| 83 | + int Status = 0; |
| 84 | + |
| 85 | + pDeviceCb->DevCbPtrs_.pfnWaitFromCpu(pWait->bo); |
| 86 | + |
| 87 | + return Status; |
| 88 | +} |
| 89 | + |
| 90 | +///////////////////////////////////////////////////////////////////////////////////// |
| 91 | +/// This function checks for Null DeviceCb Function pointer |
| 92 | +/// |
| 93 | +/// @param[in] ClientType |
| 94 | +/// @param[in] pDeviceCb: Pointer to GMM_DEVICE_CALLBACKS_INT Struct |
| 95 | +/// @param[in] CallBackType Enum @GMM_DEVICE_CALLBACKS_TYPE |
| 96 | +/// @return True if not Null. |
| 97 | +///////////////////////////////////////////////////////////////////////////////////// |
| 98 | +int GmmCheckForNullDevCbPfn(GMM_CLIENT ClientType, GMM_DEVICE_CALLBACKS_INT *pDeviceCb, GMM_DEVICE_CALLBACKS_TYPE CallBackType) |
| 99 | +{ |
| 100 | + int Status = 0; |
| 101 | + |
| 102 | + switch(CallBackType) |
| 103 | + { |
| 104 | + case GMM_DEV_CB_ALLOC: |
| 105 | + Status = (pDeviceCb->DevCbPtrs_.pfnAllocate != 0); |
| 106 | + break; |
| 107 | + case GMM_DEV_CB_DEALLOC: |
| 108 | + Status = (pDeviceCb->DevCbPtrs_.pfnDeallocate != 0); |
| 109 | + break; |
| 110 | + case GMM_DEV_CB_WAIT_FROM_CPU: |
| 111 | + Status = (pDeviceCb->DevCbPtrs_.pfnWaitFromCpu != 0); |
| 112 | + break; |
| 113 | + default: |
| 114 | + Status = 0; |
| 115 | + break; |
| 116 | + } |
| 117 | + |
| 118 | + return Status; |
| 119 | +} |
| 120 | + |
| 121 | +// Dummy Translation Table Callback for reusing .. |
| 122 | +static inline int DummyPrologTranslationTable(void *pDeviceHandle) |
| 123 | +{ |
| 124 | + return 0; |
| 125 | +} |
| 126 | + |
| 127 | +static inline int DummyWriteL1Entries(void * pDeviceHandle, |
| 128 | + const uint32_t NumEntries, |
| 129 | + GMM_GFX_ADDRESS GfxAddress, |
| 130 | + uint32_t * Data) |
| 131 | +{ |
| 132 | + return 0; |
| 133 | +} |
| 134 | + |
| 135 | +static inline int DummyWriteL2L3Entry(void * pDeviceHandle, |
| 136 | + GMM_GFX_ADDRESS GfxAddress, |
| 137 | + uint64_t Data) |
| 138 | +{ |
| 139 | + return 0; |
| 140 | +} |
| 141 | + |
| 142 | +static inline int DummyWriteFenceID(void * pDeviceHandle, |
| 143 | + GMM_GFX_ADDRESS GfxAddress, |
| 144 | + uint64_t Data) |
| 145 | +{ |
| 146 | + return 0; |
| 147 | +} |
| 148 | + |
| 149 | +static inline int DummyEpilogTranslationTable(void * pDeviceHandle, |
| 150 | + uint8_t ForceFlush) |
| 151 | +{ |
| 152 | + return 0; |
| 153 | +} |
| 154 | + |
| 155 | +static inline int DummyCopyL1Entry(void * pDeviceHandle, |
| 156 | + GMM_GFX_ADDRESS DstGfxAddress, |
| 157 | + GMM_GFX_ADDRESS SrcGfxAddress) |
| 158 | +{ |
| 159 | + return 0; |
| 160 | +} |
| 161 | + |
| 162 | +static inline int DummyWriteL3Adr(void * pDeviceHandle, |
| 163 | + GMM_GFX_ADDRESS L3GfxAddress, |
| 164 | + uint64_t RegOffset) |
| 165 | +{ |
| 166 | + return 0; |
| 167 | +} |
| 168 | + |
| 169 | +GMM_TRANSLATIONTABLE_CALLBACKS DummyTTCB = { |
| 170 | +.pfPrologTranslationTable = DummyPrologTranslationTable, |
| 171 | +.pfWriteL1Entries = DummyWriteL1Entries, |
| 172 | +.pfWriteL2L3Entry = DummyWriteL2L3Entry, |
| 173 | +.pfWriteFenceID = DummyWriteFenceID, |
| 174 | +.pfEpilogTranslationTable = DummyEpilogTranslationTable, |
| 175 | +.pfCopyL1Entry = DummyCopyL1Entry, |
| 176 | +.pfWriteL3Adr = DummyWriteL3Adr, |
| 177 | +}; |
| 178 | + |
| 179 | +#endif /*__linux__*/ |
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