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Add support for PRELIM_I915_PARAM_SET_PAIR

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This extension allows pairing two buffer objects so they can be
exported using a single dma-buf handle. When imported, a single
buffer object is created with a total size of the two buffer
objects.

Related-To: LOCI-3355

Sync to
https://github.com/intel-gpu/drm-uapi-helper/releases/tag/v2.0-rc15

Signed-off-by: Jaime Arteaga <jaime.a.arteaga.molina@intel.com>
This commit is contained in:
Jaime Arteaga
2022-09-20 07:07:59 +00:00
committed by Compute-Runtime-Automation
parent 3d0b6973fe
commit a3b3f3e86e
28 changed files with 322 additions and 46 deletions
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11
shared/source/os_interface/linux/ioctl_helper.h
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@@ -69,8 +69,9 @@ class IoctlHelper {
virtual uint32_t ioctl(DrmIoctl request, void *arg);
virtual bool initialize() = 0;
virtual bool isSetPairAvailable() = 0;
virtual bool isVmBindAvailable() = 0;
virtual uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId) = 0;
virtual uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId, int32_t pairHandle) = 0;
virtual CacheRegion closAlloc() = 0;
virtual uint16_t closAllocWays(CacheRegion closIndex, uint16_t cacheLevel, uint16_t numWays) = 0;
virtual CacheRegion closFree(CacheRegion closIndex) = 0;
@@ -144,8 +145,9 @@ class IoctlHelperUpstream : public IoctlHelper {
using IoctlHelper::IoctlHelper;
bool initialize() override;
bool isSetPairAvailable() override;
bool isVmBindAvailable() override;
uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId) override;
uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId, int32_t pairHandle) override;
CacheRegion closAlloc() override;
uint16_t closAllocWays(CacheRegion closIndex, uint16_t cacheLevel, uint16_t numWays) override;
CacheRegion closFree(CacheRegion closIndex) override;
@@ -197,7 +199,7 @@ class IoctlHelperImpl : public IoctlHelperUpstream {
return std::make_unique<IoctlHelperImpl<gfxProduct>>(drm);
}
uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId) override;
uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId, int32_t pairHandle) override;
std::vector<MemoryRegion> translateToMemoryRegions(const std::vector<uint8_t> &regionInfo) override;
unsigned int getIoctlRequestValue(DrmIoctl ioctlRequest) const override;
std::string getIoctlString(DrmIoctl ioctlRequest) const override;
@@ -208,8 +210,9 @@ class IoctlHelperPrelim20 : public IoctlHelper {
using IoctlHelper::IoctlHelper;
bool initialize() override;
bool isSetPairAvailable() override;
bool isVmBindAvailable() override;
uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId) override;
uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId, int32_t pairHandle) override;
CacheRegion closAlloc() override;
uint16_t closAllocWays(CacheRegion closIndex, uint16_t cacheLevel, uint16_t numWays) override;
CacheRegion closFree(CacheRegion closIndex) override;