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| author | Haren Myneni <haren@linux.ibm.com> | 2025-04-17 01:57:37 +0300 |
|---|---|---|
| committer | Madhavan Srinivasan <maddy@linux.ibm.com> | 2025-04-17 09:12:29 +0300 |
| commit | 43d869ac25f17923473a03dcf001af073b7c0a56 (patch) | |
| tree | 44c98f66c3ef4320f603c9ffc71dbe3a6a64f6df /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py | |
| parent | ecc45d4f8ce8e1953f703b4d13d882f2e8ce689d (diff) | |
| download | linux-43d869ac25f17923473a03dcf001af073b7c0a56.tar.xz | |
powerpc/pseries: Define papr_indices_io_block for papr-indices ioctls
To issue ibm,get-indices, ibm,set-dynamic-indicator and
ibm,get-dynamic-sensor-state in the user space, the RMO buffer is
allocated for the work area which is restricted under system
lockdown. So instead of user space execution, the kernel will
provide /dev/papr-indices interface to execute these RTAS calls.
The user space assigns data in papr_indices_io_block struct
depends on the specific HCALL and passes to the following ioctls:
PAPR_INDICES_IOC_GET: Use for ibm,get-indices. Returns a
get-indices handle fd to read data.
PAPR_DYNAMIC_SENSOR_IOC_GET: Use for ibm,get-dynamic-sensor-state.
Updates the sensor state in
papr_indices_io_block.dynamic_param.state
PAPR_DYNAMIC_INDICATOR_IOC_SET: Use for ibm,set-dynamic-indicator.
Sets the new state for the input
indicator.
Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Tested-by: Sathvika Vasireddy <sv@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250416225743.596462-3-haren@linux.ibm.com
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py')
0 files changed, 0 insertions, 0 deletions