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13 Commits

Author SHA1 Message Date
Nagarjuna Kristam
3a9f9b5d12 linux: dma-test-common: Fix DMA re-init sequence 
DMA channel is re-init based on incorrect previous and current
channel change check, fix the same. Add DMA cookie pointer info
logs for easy debugging.

Bug 4742850

Change-Id: Iec5dd32ffb3699c5d57961949597c2c80ef250ad
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3330635
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
 2025-07-24 10:19:17 +00:00
Nagarjuna Kristam
8759302687 linux: dma-test-common: Add SWITS Stop and Abort tests 
Exisintg Abort and STOP tests hardcodes usage of all channels.
In SWITS scope, prepare tests to use single channel DMA.

JIRA NET-2991

Change-Id: I62464714bfd359ad141bcb8df8316e703e95d591
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3323878
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
 2025-07-24 10:19:17 +00:00
Nagarjuna Kristam
19f9a6939a linux: pcie: Add MSI vector macros 
Define MSI read, write and CRC vector macros.

Bug 4779415

Change-Id: Icc6ac9c6b765ca9bfe01e7026381f9ec2052e0d0
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3186457
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
 2024-08-05 12:27:25 -07:00
Manikanta Maddireddy
49bb1dec11 PCI: EPF: dma-test: Add outbound ATU test function 
PCIe endpoint controller supports 8 outbound channels to map Root port
address and access it as memory mapped IO. Add test function to verify
this feature.

Bug 4705051

Change-Id: I126e94619c581ed15f1d6db54845de209742af0e
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3163953
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
 2024-07-01 14:38:00 -07:00
Manikanta Maddireddy
fb5a616f92 PCI: EPF: dma-test: Fix unaligned offset during dma reinit 
Clear the unaligned offset when reinitializing the DMA with new settings
to avoid CRC check fail.

Bug 4712065

Change-Id: I9faee6b5c74be32a421a594c8bb842d2b2cb97c2
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3163952
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
 2024-07-01 14:37:56 -07:00
Manikanta Maddireddy
120be4313a PCI: edma_test: Enhance edma stop test 
Enable all channels in async mode and stop channel 2 to verify edma stop
feature. This stops the dma engine when channels 0, 1 and 2 are in middle
of processing descriptors and stops channel 3 before submitting the
descriptors.

Bug 4620420

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Change-Id: Iadff763e299437ef8b7b575c0177968681adb15a
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3133675
(cherry picked from commit 88187c18bf6fe4d64cb9d2964664479492afce5c)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3133507
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
 2024-05-15 14:20:06 -07:00
Manikanta Maddireddy
b0c580762b PCI: Add T264 PCIe DMA support in PCIe EPF and client driver 
Replace the exisiting T234 DMA APIs with common APIs and also add chip
specific changes like BAR.

Bug 4549851

Change-Id: I021e1e93a4fa4ff1d4429bd9db852e0e707ba879
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3116906
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
 2024-05-04 16:43:14 -07:00
Nagarjuna Kristam
b3bfce4122 PCI: edma_test: Fix Coverity issues 
Validate num_chans before using for division

Bug 3956683

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Change-Id: I8abca2a251748711f07ffc14d71b1601fa73806f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2876298
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-03-31 04:17:26 -07:00
Manikanta Maddireddy
ca5d1bdfbe PCI: edma_test: Fix UBSAN error due to overflow 
Stress count is of type u32, large value of stress count is overflowing
to channel number in priv variable. Define priv as u64 and store channel
number after 32-bits.

Bug 3682571
Bug 3877429

Change-Id: I981cee442da298e967837262b4d63657373af1e2
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2759479
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2815929
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Tested-by: Nagarjuna Kristam <nkristam@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2022-11-29 04:17:27 -08:00
Manikanta Maddireddy
319fa69bd5 PCI: Add data integrity check for PCIe DMA 
Add CRC check after PCIe DMA to verify data integrity.

Bug 3636902
Bug 3868928

Change-Id: If497ce769571c6c837acbfbbb64b2242dfabef26
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2718787
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2720336
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2815927
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Tested-by: Nagarjuna Kristam <nkristam@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2022-11-29 04:17:18 -08:00
Nagarjuna Kristam
b26885400f pcie: EDMA: fix EDMA init condition. 
EDMA library needs to be initialized if there is change in EDMA
channel config or when cookie is NULL. Set the condition accordingly.

Bug 3622706
Bug 3877429

Change-Id: If919752cce08e203aa9d0b501f26f2e00b523575
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2717246
(cherry picked from commit 7434fc757e6c4b23aeb91b73f8e2a62f080c6d24)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2815926
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2022-11-29 04:17:14 -08:00
Nagarjuna Kristam
2b9e2da317 PCI: tegra: edmatest: use stop edma API for abort 
Use tegra_pcie_edma_stop() API to perform abort testing.

Bug 3626323
Bug 3868928

Change-Id: Idc90b8ab2836ab535414cc1bd8b99bfda508d129
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2708632
(cherry picked from commit d7fc5eebce85ac670a1a62d38c1572ff5a679258)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2815925
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2022-11-29 04:17:08 -08:00
Nagarjuna Kristam
87f4a51862 pci: epf: Add dma test function driver 
Add DMA test function driver from Nvidia repro

Bug 3583632

Change-Id: I603d16f74cba2b4752ab31af59b12e7c784f042e
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2736247
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-07-05 14:32:06 -07:00