HWPM is a profiling device. Device node property support-soc-tools
indicates if soc profiling tools should be enabled or disabled.
Add logic to HWPM probe to read device node and probe HWPM device only
if support-soc-tools property is present.
Implement devnode API to disclose device node permissions for HWPM.
Set HWPM device node permissions to allow access for root and group.
Bug 3435136
Bug 3583956
Change-Id: I988de3b21cd00ef9402ca03408d2b0141e7155d8
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2717982
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
GVS: Gerrit_Virtual_Submit
Add below HALs to make code chip agnostic. This will allow us to use
t234 specific HALs for next chips.
- get_pma_int_idx: get PMA's internal index corresponding to active chip
- get_rtr_int_idx: get RTR's internal index corresponding to active chip
- get_ip_max_idx: get MAX IP index corresponding to active chip
Move chip agnostic code to common files.
Jira THWPM-41
Change-Id: I5518469b1473fe7f66b6517cee729cf46520bbac
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2675515
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vasuki Shankar <vasukis@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
GVS: Gerrit_Virtual_Submit
- Update HWPM driver to add HAL layer. This will allow support for multiple chips.
- Add below data structure hierarchy for HWPM driver
HWPM driver structure -> chip info struct -> ip info array -> perfmux/perfmon info array
NOTE: To make commit message more legible, using "aperture" instead of "perfmux and/or perfmon"
- Chip info structure contains
- Array of IP info
- HAL function pointers
- IP info structure contains IP specific info
- Number of instances
- Number of apertures per instance
- Aperture ranges, strides, static info array
- Aperture dynamic arrays
- Aperture info structure contains
- Hw index
- Physical address info
- MMIO address info
- Add separate IP info files
- Create separate files that include logic for allowlist, memory buffer, resources, ip, regops to make functions more legible.
- Move probe, ioctl and io functions to os/linux path.
- Add fn, info, register and verbose debug log levels to controls debug messages
- add debugfs node to update dbg_mask
- Correct MGBE perfmux base address
Jira THWPM-41
Change-Id: I8ffdaa657789e2a187cbb98502d0359bb57f9c54
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2651377
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
GVS: Gerrit_Virtual_Submit
