Commit Graph

8 Commits

Author SHA1 Message Date
Deepak Badgaiyan
ee10f0e501 nvscic2c: common DMA integration
Integrate with common PCIe eDMA calls.
Common PCIe eDMA will support same calls between
T234 and T264.

Fix pci_epc_set_msi() failure. Initialize msi count.

Jira NVIPC-2448
Jira NVIPC-2708
Change-Id: I860fd2ee86950e558d2b6a362c05dba7988368e9
Signed-off-by: Deepak Badgaiyan <dbadgaiyan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3197105
Reviewed-by: Sivagamy Govindasamy <sivagamyg@nvidia.com>
Reviewed-by: Janardhan Reddy AnnapuReddy <jreddya@nvidia.com>
Reviewed-by: Sumeet Gupta <sumeetg@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
2025-07-24 10:19:07 +00:00
Laxman Dewangan
932f9757ab misc: nvscic2c-pcie: Drop usage of enum pci_epc_irq_type from Linux 6.8
The enum pci_epc_irq_type is dropped from Linux 6.8 with
commit 74955cb8ccc385 ("PCI: endpoint: Drop PCI_EPC_IRQ_XXX definitions")
Use alternative definition from mainline.

Bug 4448428

Change-Id: Ic248ee2522f171c311ac1086c2792bcf3ad6ed64
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3062520
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2024-01-25 17:26:42 -08:00
Laxman Dewangan
091c57a1d8 nvscic2c-pcie: Use proper enum for drv_mode
Use the proper enum name for returning the value from
pci_client_get_drv_mode().

Instead of returning NVCPU_MAXIMU, return DRV_MODE_MAXIMUM
which is more appropriate return value.

Bug 4374520

Change-Id: I172fe7bdc926fcacbde6428db59c17bec57f7443
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3014987
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2023-11-13 06:44:26 -08:00
Laxman Dewangan
b91f49ff74 nvscic2c-pcie: Fix the argument of iommu_map() for Linux 6.3
There is additional argument added in iommu_map() from Linux6.3.
Pass the proper argument from the drier who are using this
APIs. Using conftest methods for differentiating whether
additional argument is needed or not.

Bug 4374520

Change-Id: Ica06363802d31be317675a50194f34670521e023
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3014986
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2023-11-13 06:44:22 -08:00
dbadgaiyan
3067ceeb00 nvscic2c-pcie: add support for error handling
Enable AER reporting for ednpoint.

Provide error handler for AER reception and
update error code to be read by user space process.
Change PCIe link to down.

Implement error reporting for runtime eDMA xfer errors.

Bug 4088959
Jira NVIPC-334

Change-Id: I74871e5226eab1b708c72aa71216cd160c6ebf68
Signed-off-by: dbadgaiyan <dbadgaiyan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2915753
(cherry picked from commit 7b24941fb486ada70229c42ae1deec12f75028c2)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2921480
Reviewed-by: Arihant Jejani <ajejani@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2023-06-19 12:29:40 -07:00
Shardar Mohammed
83000c2754 misc: nvscic2c-pcie: fix build errors
Fix build errors when this driver compiled against K6.1 (kernel-oot)
- Remove dma-iommu.h header inclusion as its not present in K6.1
- Define IOVA_RANGE_CACHE_MAX_SIZE if this macro is not defined
- Import DMA_BUF "MODULE_IMPORT_NS(DMA_BUF);" to avoid below error
"ERROR: modpost: module nvscic2c-pcie-epc uses symbol dma_buf_* from
 namespace DMA_BUF, but does not import it"

Bug 3978996

Change-Id: Idd9a53b19c63467583b87f64ffa2c2e888ac02e1
Signed-off-by: Shardar Mohammed <smohammed@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2898149
Reviewed-by: Deepak Kumar Badgaiyan <dbadgaiyan@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2023-05-09 05:25:54 -07:00
dbadgaiyan
f2088fd15d misc: nvscic2c-pcie: Update nvscic2c-pcie license
Modify nvscic2c-pcie files to use updated licenses
as per nvidia-oot.

Bug 3739487
Jira C2C-826

Change-Id: I819b459fdb0743d37bc08b4c9b92097d87e62884
Signed-off-by: dbadgaiyan <dbadgaiyan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2830686
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Arihant Jejani <ajejani@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2022-12-22 20:29:46 -08:00
dbadgaiyan
4adc5c8fb4 drivers: misc: add nvscic2c-pcie in OOT
nvscic2c enables xfer between two SoC connected over PCIe.
nvscic2c already available with K5.10

Major changes in nvscic2c-pcie for K5.15:
 Integrate with upstream PCIe endpoint function changes.

 Allocate new IOVA domain to be used for
 empty IOVA allocation.
 This IOVA range would be used in iommu_map() to map
 physical backing with IOMMU domain attached in PCIe device.

 Migrate from nvhost to host1x and tegra-drm interfaces.

Bug 3739487
Jira C2C-826
Jira C2C-830

Change-Id: Ic4d8ac680921807fb17247855ca7037623681cb7
Signed-off-by: dbadgaiyan <dbadgaiyan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2810806
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Arihant Jejani <ajejani@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
2022-12-15 20:52:33 -08:00