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2024-04-14iommufd: Add config needed for iommufd_fail_nthMuhammad Usama Anjum1-0/+2
Add FAULT_INJECTION_DEBUG_FS and FAILSLAB configurations to the kconfig fragment for the iommfd selftests. These kconfigs are needed by the iommufd_fail_nth test. Fixes: a9af47e382a4 ("iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAP") Link: https://lore.kernel.org/r/20240325090048.1423908-1-usama.anjum@collabora.com Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-02-22selftests/iommu: fix the config fragmentMuhammad Usama Anjum1-2/+3
The config fragment doesn't follow the correct format to enable those config options which make the config options getting missed while merging with other configs. ➜ merge_config.sh -m .config tools/testing/selftests/iommu/config Using .config as base Merging tools/testing/selftests/iommu/config ➜ make olddefconfig .config:5295:warning: unexpected data: CONFIG_IOMMUFD .config:5296:warning: unexpected data: CONFIG_IOMMUFD_TEST While at it, add CONFIG_FAULT_INJECTION as well which is needed for CONFIG_IOMMUFD_TEST. If CONFIG_FAULT_INJECTION isn't present in base config (such as x86 defconfig), CONFIG_IOMMUFD_TEST doesn't get enabled. Fixes: 57f0988706fe ("iommufd: Add a selftest") Link: https://lore.kernel.org/r/20240222074934.71380-1-usama.anjum@collabora.com Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-02-06iommufd/selftest: Add mock IO hugepages testsJoao Martins1-3/+42
Leverage previously added MOCK_FLAGS_DEVICE_HUGE_IOVA flag to create an IOMMU domain with more than MOCK_IO_PAGE_SIZE supported. Plumb the hugetlb backing memory for buffer allocation and change the expected page size to MOCK_HUGE_PAGE_SIZE (1M) when hugepage variant test cases are used. These so far are limited to 128M and 256M IOVA range tests cases which is when 1M hugepages can be used. Link: https://lore.kernel.org/r/20240202133415.23819-9-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-02-06iommufd/selftest: Refactor dirty bitmap testsJoao Martins2-31/+36
Rework the functions that test and set the bitmaps to receive a new parameter (the pte_page_size) that reflects the expected PTE size in the page tables. The same scheme is still used i.e. even bits are dirty and odd page indexes aren't dirty. Here it just refactors to consider the size of the PTE rather than hardcoded to IOMMU mock base page assumptions. While at it, refactor dirty bitmap tests to use the idev_id created by the fixture instead of creating a new one. This is in preparation for doing tests with IOMMU hugepages where multiple bits set as part of recording a whole hugepage as dirty and thus the pte_page_size will vary depending on io hugepages or io base pages. Link: https://lore.kernel.org/r/20240202133415.23819-6-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-02-06iommufd/selftest: Test u64 unaligned bitmapsJoao Martins1-2/+17
Exercise the dirty tracking bitmaps with byte unaligned addresses in addition to the PAGE_SIZE unaligned bitmaps, using a address towards the end of the page boundary. In doing so, increase the tailroom we allocate for the bitmap from MOCK_PAGE_SIZE(2K) into PAGE_SIZE(4K), such that we can test end of bitmap boundary. Link: https://lore.kernel.org/r/20240202133415.23819-4-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-01-11iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctlNicolin Chen2-0/+179
Add test cases for the IOMMU_HWPT_INVALIDATE ioctl and verify it by using the new IOMMU_TEST_OP_MD_CHECK_IOTLB. Link: https://lore.kernel.org/r/20240111041015.47920-7-yi.l.liu@intel.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Co-developed-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-01-11iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test opNicolin Chen2-0/+28
Allow to test whether IOTLB has been invalidated or not. Link: https://lore.kernel.org/r/20240111041015.47920-6-yi.l.liu@intel.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-11-21iommufd/selftest: Fix _test_mock_dirty_bitmaps()Robin Murphy1-7/+6
The ASSERT_EQ() macro sneakily expands to two statements, so the loop here needs braces to ensure it captures both and actually terminates the test upon failure. Where these tests are currently failing on my arm64 machine, this reduces the number of logged lines from a rather unreasonable ~197,000 down to 10. While we're at it, we can also clean up the tautologous "count" calculations whose assertions can never fail unless mathematics and/or the C language become fundamentally broken. Fixes: a9af47e382a4 ("iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAP") Link: https://lore.kernel.org/r/90e083045243ef407dd592bb1deec89cd1f4ddf2.1700153535.git.robin.murphy@arm.com Signed-off-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Joao Martins <joao.m.martins@oracle.com> Tested-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-26iommufd/selftest: Add coverage for IOMMU_HWPT_ALLOC with nested HWPTsNicolin Chen3-8/+140
The IOMMU_HWPT_ALLOC ioctl now supports passing user_data to allocate a user-managed domain for nested HWPTs. Add its coverage for that. Also, update _test_cmd_hwpt_alloc() and add test_cmd/err_hwpt_alloc_nested(). Link: https://lore.kernel.org/r/20231026043938.63898-11-yi.l.liu@intel.com Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-24iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAP_NO_CLEAR flagJoao Martins2-12/+52
Change test_mock_dirty_bitmaps() to pass a flag where it specifies the flag under test. The test does the same thing as the GET_DIRTY_BITMAP regular test. Except that it tests whether the dirtied bits are fetched all the same a second time, as opposed to observing them cleared. Link: https://lore.kernel.org/r/20231024135109.73787-19-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-24iommufd/selftest: Test out_capabilities in IOMMU_GET_HW_INFOJoao Martins3-10/+33
Enumerate the capabilities from the mock device and test whether it advertises as expected. Include it as part of the iommufd_dirty_tracking fixture. Link: https://lore.kernel.org/r/20231024135109.73787-18-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-24iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAPJoao Martins2-0/+223
Add a new test ioctl for simulating the dirty IOVAs in the mock domain, and implement the mock iommu domain ops that get the dirty tracking supported. The selftest exercises the usual main workflow of: 1) Setting dirty tracking from the iommu domain 2) Read and clear dirty IOPTEs Different fixtures will test different IOVA range sizes, that exercise corner cases of the bitmaps. Link: https://lore.kernel.org/r/20231024135109.73787-17-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-24iommufd/selftest: Test IOMMU_HWPT_SET_DIRTY_TRACKINGJoao Martins2-0/+32
Change mock_domain to supporting dirty tracking and add tests to exercise the new SET_DIRTY_TRACKING API in the iommufd_dirty_tracking selftest fixture. Link: https://lore.kernel.org/r/20231024135109.73787-16-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-24iommufd/selftest: Test IOMMU_HWPT_ALLOC_DIRTY_TRACKINGJoao Martins2-0/+52
In order to selftest the iommu domain dirty enforcing implement the mock_domain necessary support and add a new dev_flags to test that the hwpt_alloc/attach_device fails as expected. Expand the existing mock_domain fixture with a enforce_dirty test that exercises the hwpt_alloc and device attachment. Link: https://lore.kernel.org/r/20231024135109.73787-15-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-24iommufd/selftest: Expand mock_domain with dev_flagsJoao Martins1-0/+29
Expand mock_domain test to be able to manipulate the device capabilities. This allows testing with mockdev without dirty tracking support advertised and thus make sure enforce_dirty test does the expected. To avoid breaking IOMMUFD_TEST UABI replicate the mock_domain struct and thus add an input dev_flags at the end. Link: https://lore.kernel.org/r/20231024135109.73787-14-joao.m.martins@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-16iommufd/selftest: Rework TEST_LENGTH to test min_size explicitlyNicolin Chen1-13/+16
TEST_LENGTH passing ".size = sizeof(struct _struct) - 1" expects -EINVAL from "if (ucmd.user_size < op->min_size)" check in iommufd_fops_ioctl(). This has been working when min_size is exactly the size of the structure. However, if the size of the structure becomes larger than min_size, i.e. the passing size above is larger than min_size, that min_size sanity no longer works. Since the first test in TEST_LENGTH() was to test that min_size sanity routine, rework it to support a min_size calculation, rather than using the full size of the structure. Link: https://lore.kernel.org/r/20231015074648.24185-1-nicolinc@nvidia.com Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-10-10iommufd/selftest: Add domain_alloc_user() support in iommu mockYi Liu3-8/+29
Add mock_domain_alloc_user() and a new test case for IOMMU_HWPT_ALLOC_NEST_PARENT. Link: https://lore.kernel.org/r/20230928071528.26258-6-yi.l.liu@intel.com Co-developed-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-09-26iommufd/selftest: Iterate idev_ids in mock_domain's alloc_hwpt testNicolin Chen1-1/+1
The point in iterating variant->mock_domains is to test the idev_ids[0] and idev_ids[1]. So use it instead of keeping testing idev_ids[0] only. Link: https://lore.kernel.org/r/20230919011637.16483-1-nicolinc@nvidia.com Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-09-19iommufd: Fix spelling errors in commentsGuokaiXu2-2/+2
requres -> requires dramtically -> dramatically Link: https://lore.kernel.org/r/31680D47D9533D91+20230904023236.GA12494@xgk8823 Signed-off-by: GuokaiXu <xuguokai@ucas.com.cn> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-08-18iommufd/selftest: Add coverage for IOMMU_GET_HW_INFO ioctlNicolin Chen3-1/+103
Add a mock_domain_hw_info function and an iommu_test_hw_info data structure. This allows to test the IOMMU_GET_HW_INFO ioctl passing the test_reg value for the mock_dev. Link: https://lore.kernel.org/r/20230818101033.4100-5-yi.l.liu@intel.com Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-07-28iommufd/selftest: Add IOMMU_TEST_OP_ACCESS_REPLACE_IOAS coverageNicolin Chen2-2/+46
Add a new IOMMU_TEST_OP_ACCESS_REPLACE_IOAS to allow replacing the access->ioas, corresponding to the iommufd_access_replace() helper. Then add replace coverage as a part of user_copy test case, which basically repeats the copy test after replacing the old ioas with a new one. Link: https://lore.kernel.org/r/a4897f93d41c34b972213243b8dbf4c3832842e4.1690523699.git.nicolinc@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-07-26iommufd/selftest: Add a selftest for IOMMU_HWPT_ALLOCJason Gunthorpe3-1/+46
Test the basic flow. Link: https://lore.kernel.org/r/19-v8-6659224517ea+532-iommufd_alloc_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-07-26iommufd/selftest: Return the real idev id from selftest mock_domainJason Gunthorpe3-21/+26
Now that we actually call iommufd_device_bind() we can return the idev_id from that function to userspace for use in other APIs. Link: https://lore.kernel.org/r/18-v8-6659224517ea+532-iommufd_alloc_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-07-26iommufd/selftest: Test iommufd_device_replace()Nicolin Chen3-4/+105
Allow the selftest to call the function on the mock idev, add some tests to exercise it. Link: https://lore.kernel.org/r/16-v8-6659224517ea+532-iommufd_alloc_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-04-04iommufd/selftest: Cover domain unmap with huge pages and accessJason Gunthorpe1-0/+34
Inspired by the syzkaller reproducer check the batch carry path with a simple test. Link: https://lore.kernel.org/r/4-v1-ceab6a4d7d7a+94-iommufd_syz_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-03-06iommufd/selftest: Add a selftest for iommufd_device_attach() with a hwpt ↵Jason Gunthorpe1-1/+13
argument This can now be covered since we have a full struct device. Link: https://lore.kernel.org/r/12-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-03-06iommufd/selftest: Make selftest create a more complete mock deviceJason Gunthorpe2-10/+0
iommufd wants to use more infrastructure, like the iommu_group, that the mock device does not support. Create a more complete mock device that can go through the whole cycle of ownership, blocking domain, and has an iommu_group. This requires creating a real struct device on a real bus to be able to connect it to a iommu_group. Unfortunately we cannot formally attach the mock iommu driver as an actual driver as the iommu core does not allow more than one driver or provide a general way for busses to link to iommus. This can be solved with a little hack to open code the dev_iommus struct. With this infrastructure things work exactly the same as the normal domain path, including the auto domains mechanism and direct attach of hwpts. As the created hwpt is now an autodomain it is no longer required to destroy it and trying to do so will trigger a failure. Link: https://lore.kernel.org/r/11-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-03-06iommufd/selftest: Rename the remaining mock device_id's to stdev_idJason Gunthorpe2-21/+21
For consistency. Link: https://lore.kernel.org/r/10-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-03-06iommufd/selftest: Rename domain_id to hwpt_id for FIXTURE iommufd_mock_domainJason Gunthorpe1-12/+12
In this case the domain_id was acting as the hwpt_id, so be clearer. Link: https://lore.kernel.org/r/9-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-03-06iommufd/selftest: Rename domain_id to stdev_id for FIXTURE iommufd_ioasJason Gunthorpe1-11/+11
Nothing uses this for anything more than checking if a mock domain had been created. Rename it to stdev_id to match our naming system. Currently domain_id is the hwpt_id. Link: https://lore.kernel.org/r/8-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-03-06iommufd/selftest: Rename the sefltest 'device_id' to 'stdev_id'Jason Gunthorpe1-8/+8
It is too confusing now that we have the 'dev_id' as part of the main interface. Make it clear this is the special selftest device object. This object is analogous to the VFIO device FD. Link: https://lore.kernel.org/r/7-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-02-25Merge tag 'for-linus-iommufd' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd Pull iommufd updates from Jason Gunthorpe: "Some polishing and small fixes for iommufd: - Remove IOMMU_CAP_INTR_REMAP, instead rely on the interrupt subsystem - Use GFP_KERNEL_ACCOUNT inside the iommu_domains - Support VFIO_NOIOMMU mode with iommufd - Various typos - A list corruption bug if HWPTs are used for attach" * tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: iommufd: Do not add the same hwpt to the ioas->hwpt_list twice iommufd: Make sure to zero vfio_iommu_type1_info before copying to user vfio: Support VFIO_NOIOMMU with iommufd iommufd: Add three missing structures in ucmd_buffer selftests: iommu: Fix test_cmd_destroy_access() call in user_copy iommu: Remove IOMMU_CAP_INTR_REMAP irq/s390: Add arch_is_isolated_msi() for s390 iommu/x86: Replace IOMMU_CAP_INTR_REMAP with IRQ_DOMAIN_FLAG_ISOLATED_MSI genirq/msi: Rename IRQ_DOMAIN_MSI_REMAP to IRQ_DOMAIN_ISOLATED_MSI genirq/irqdomain: Remove unused irq_domain_check_msi_remap() code iommufd: Convert to msi_device_has_isolated_msi() vfio/type1: Convert to iommu_group_has_isolated_msi() iommu: Add iommu_group_has_isolated_msi() genirq/msi: Add msi_device_has_isolated_msi()
2023-02-13selftests: iommu: Use installed kernel headers search pathMathieu Desnoyers1-2/+1
Use $(KHDR_INCLUDES) as lookup path for installed kernel headers rather than using kernel headers in include/uapi from the source kernel tree kernel headers. Remove bogus ../../../../include/ from the search path, because kernel source headers are not needed by those user-space selftests, and it causes issues because -I paths are searched before -isystem paths, and conflicts for files appearing both in kernel sources and in uapi headers with incompatible semantics (e.g. types.h). Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Shuah Khan <shuah@kernel.org> Cc: linux-kselftest@vger.kernel.org Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-01-23selftests: iommu: Fix test_cmd_destroy_access() call in user_copyNicolin Chen1-1/+1
The test_cmd_destroy_access() should end with a semicolon, so add one. There is a test_ioctl_destroy(ioas_id) following already, so drop one. Fixes: 57f0988706fe ("iommufd: Add a selftest") Link: https://lore.kernel.org/r/20230120074204.1368-1-nicolinc@nvidia.com Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-12-01iommufd: Add a selftestJason Gunthorpe6-0/+2529
Cover the essential functionality of the iommufd with a directed test from userspace. This aims to achieve reasonable functional coverage using the in-kernel self test framework. A second test does a failure injection sweep of the success paths to study error unwind behaviors. This allows achieving high coverage of the corner cases in pages.c. The selftest requires CONFIG_IOMMUFD_TEST to be enabled, and several huge pages which may require: echo 4 > /proc/sys/vm/nr_hugepages Link: https://lore.kernel.org/r/19-v6-a196d26f289e+11787-iommufd_jgg@nvidia.com Tested-by: Nicolin Chen <nicolinc@nvidia.com> Tested-by: Matthew Rosato <mjrosato@linux.ibm.com> # s390 Tested-by: Yi Liu <yi.l.liu@intel.com> Tested-by: Eric Auger <eric.auger@redhat.com> # aarch64 Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-25 12:01:23 +0300