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17 Commits

Author SHA1 Message Date
Nagarjuna Kristam
55e4803b61 PCI: tegra194: Ring doorbell If DMA is not running 
Issue:
During multi threaded testing, there are cases where EDMA HW enters
stopped state even through there are pending descriptors to process.
This happens even when doorbell is rung after updating descriptors and
barriers places.

Fix:
After processing channel interrupt, ring doorbell, if there are pending
descriptors and for that channel is not running.

Bug 4111305

Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2905177
Change-Id: I9d1bd391f690abc58cf262f62606c42504150b13
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2910921
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2023-05-30 07:40:00 -07:00
Nagarjuna Kristam
37956be9b4 PCI: EPF: dma-test: Remove dead code 
pci-epf-dma-test is initially written with DMA programming part of
it. Now DMA driver is available separate and DMA programming part of
this driver conflicts with actual programming and results in unexpected
behaviour. Remove non DMA driver test interaction code.

Bug 4124875

Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2907365
Change-Id: Id86ea10d64c13381d4931aa742ba530e0295d10f
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2910916
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-05-30 07:39:29 -07:00
Nagarjuna Kristam
ffda313d72 PCI: tegra194: Fix edma desc size for remote EDMA 
For Remote EDMA desc size is not updated and this results in
error during IRQ processing. Fix the same

Bug 4130564

Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2909597
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Change-Id: I5129f258a60139fe0f9e6c1226d0faf7c546f488
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2910912
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-05-30 07:39:08 -07:00
Nagarjuna Kristam
6a981ab712 PCI: EPF: dma-test: Fix Coevrity issues 
Fix coverity issue of dead code and unreachable code.

Bug 3952896

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Change-Id: I6ca4b485f6b053ea6787b76f3fae95d8f6914c98
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2905249
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-05-18 23:46:12 -07:00
Nagarjuna Kristam
0221df9441 PCI: edma: Fix Coverity Issues 
Perform ULL typecast during total size calculation for numerics.

Bug 3956683

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Change-Id: Id9671dc37ff8747a6390063cc92a038e355990cc
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2881281
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-04-04 21:54:45 -07:00
Manikanta Maddireddy
6afc085f93 PCI: Create a empty Makefile as a placeholder 
Create a empty Makefile as a placeholder to copy priviate SoC PCIe driver.

Bug 4000789

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Change-Id: I38a900eacb8ada86b387e01bb4bfe7f40d08043b
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2870780
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-04-04 21:43:45 -07:00
Nagarjuna Kristam
ff5e03daaf PCI: edma: Fix Coverity Issues 
Perform U64 typecast when calculating total size of all nents.

Bug 3956683

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Change-Id: I7b489213cb4c994190b58b09a149b08dfa3ebba5
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2876297
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-03-31 04:17:22 -07:00
Nagarjuna Kristam
a62b3e3686 pci: edma: Update SW ring before final PCS 
Updated PCS to final descriptor after SW ring callback is updated.
Read back PCS and add mb to ensure write and read AI's of descriptor
are ordered before rining doorbell.

Bug 3747376
Bug 3960792

Change-Id: Ief7e6e91edb19571777c6f589da3e6262b4d24b3
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2778528
(cherry picked from commit df94316dc980657a66a2becbef94e21e52376a60)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2855011
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-02-10 23:45:32 -08:00
Nagarjuna Kristam
7e6a8f88f6 pcie: edma: Fix CERT issues 
Fix CERT L2 issues.
Fixed CID's are 436308, 441509, 428257, 369367, 452877, 431183, 337589.

Bug 3798243
Bug 3877429

Change-Id: I672fb272e5c1ca3d3d67213412b18f58b5a6cef9
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2776714
(cherry picked from commit aad3f73328e78744fa56f68914074656a0915917)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2815930
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 04:17:32 -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
e1f7bf59ed PCI: EPF: dma-test: Use callback instead of notifier 
EPF framework no longer supports notifers but supports callbacks instead.
Register callbacks for init and deinit.
Enable DMA test driver only if EP support is enabled.

Bug 3790460

Change-Id: Ic1e14cdc1a0bd80d49991b5f94713b705085825b
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2702389
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2022-11-15 11:19:59 -08:00
Jon Hunter
a600207e7d pci: epf: Fix build for pre-v5.15 Linux kernels 
Build the Tegra PCI EPF driver fails with Linux v5.14 because the
pci_epf_alloc/free_space() have the incorrect number of arguments.
The arguments to the pci_epf_alloc/free_space() functions were updated
in Linux v5.12 but the current Tegra PCI EPF driver assumes that they
were updating after Linux v5.14. Update the Tegra PCI EPF driver to
use the correct arguments for v5.12 onwards.

Bug 3820317

Change-Id: Ieba44bfc22e0f978a5ff227b6d07a6a56ad23f3b
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2791670
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2022-10-20 02:19:35 -07:00
Jon Hunter
1733a8ddee pci: tegra: Fix build for Linux v6.1 
Upstream Linux kernel commit f2042ed21da7 ("iommu/dma: Make header
private") made the header "linux/dma-iommu.h" a private header file and
so compiling the Tegra PCI EDMA driver for Linux v6.1-rc1 now fails
because this header is not found. On further review, instead of
including "linux/dma-iommu.h" it is only necessary to include
"linux/dma-mapping.h" instead.

Bug 3831575

Change-Id: I3552eca64071bba98bb322377d7c211e3c22e7b6
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2793515
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
 2022-10-18 11:24:47 -07:00
Manikanta Maddireddy
2db1b1e964 PCI: EPF: Use latest MSI accessors and iterator functions 
MSI accessors and iterator functions are updated in Linux 5.16 version.
Use these function to fix build error.

Bug 3604749

Change-Id: Ibda5372ee743d5e224d0eef898c4cfc665107367
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2742830
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
 2022-07-13 16:40:29 -07:00
Nagarjuna Kristam
c18482299d PCI: controller: Add VF driver support 
Add tegra PCIe VF driver support from Nvidia repo

Bug 3583632

Change-Id: I323ae5a7aaa20647bfd80404bc354a5a52097cce
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2736248
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-07-05 14:32:15 -07:00
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
Nagarjuna Kristam
0d83600487 PCI: tegra194: Add PCIe EDMA and its RP drivers 
Add PCI EDMA drivers from nvidia repo.

Bug 3583632

Change-Id: Id54bec8d70424d56d4b91f781568edbfa27c5a82
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2736242
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-07-05 14:32:02 -07:00