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| author | Anju T Sudhakar <anju@linux.vnet.ibm.com> | 2019-03-22 12:13:48 +0530 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.ibm.com> | 2019-03-28 15:24:13 +1100 |
| commit | f3a0fb69904074341ece69a26f375bdd948a9073 (patch) | |
| tree | b1967680b2d5b2c25c35b24c78af1ed71649c064 | |
| parent | 09e9121090703d828d2e122043513e9dca49a7c4 (diff) | |
| download | blackbird-skiboot-f3a0fb69904074341ece69a26f375bdd948a9073.tar.gz blackbird-skiboot-f3a0fb69904074341ece69a26f375bdd948a9073.zip | |
doc/opal-api: Edit documentation for IMC opal call to include trace-imc
OPAL call APIs for In-Memory Collection Counter infrastructure(IMC),
includes a new device type called OPAL_IMC_COUNTERS_TRACE. Edit the
documentation to include this information.
Signed-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
| -rw-r--r-- | doc/opal-api/opal-imc-counters.rst | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/doc/opal-api/opal-imc-counters.rst b/doc/opal-api/opal-imc-counters.rst index 0caef491..ee06d706 100644 --- a/doc/opal-api/opal-imc-counters.rst +++ b/doc/opal-api/opal-imc-counters.rst @@ -4,7 +4,7 @@ OPAL_IMC_COUNTERS_INIT ============================== OPAL call interface to initialize In-memory collection infrastructure. Call does multiple scom writes on each -incavation for Core IMC initialization. And for the +invocation for Core/Trace IMC initialization. And for the Nest IMC, at this point, call is a no-op and returns OPAL_SUCCESS. Incase of kexec, OS driver should first stop the engine via OPAL_IMC_COUNTER_STOP(and then @@ -24,7 +24,8 @@ Parameters ---------- ``uint32_t type`` This parameter specifies the imc counter domain. - The value should be 'OPAL_IMC_COUNTERS_CORE' + The value can be 'OPAL_IMC_COUNTERS_NEST', 'OPAL_IMC_COUNTERS_CORE' + or 'OPAL_IMC_COUNTERS_TRACE'. ``uint64_t addr`` This parameter must have a non-zero value. @@ -49,14 +50,14 @@ OPAL_SUCCESS OPAL_IMC_COUNTERS_START ============================ OPAL call interface for starting the In-Memory Collection -counters for a specified domain (NEST/CORE). +counters for a specified domain (NEST/CORE/TRACE). Parameters ---------- ``uint32_t type`` This parameter specifies the imc counter domain. - The value can be either 'OPAL_IMC_COUNTERS_NEST' - or 'OPAL_IMC_COUNTERS_CORE' + The value can be 'OPAL_IMC_COUNTERS_NEST', + 'OPAL_IMC_COUNTERS_CORE' or 'OPAL_IMC_COUNTERS_TRACE'. ``uint64_t cpu_pir`` This parameter specifices target cpu pir @@ -77,7 +78,7 @@ OPAL_SUCCESS OPAL_IMC_COUNTERS_STOP ====================== OPAL call interface for stoping In-Memory -Collection counters for a specified domain (NEST/CORE). +Collection counters for a specified domain (NEST/CORE/TRACE). STOP should always be called after a related START. While STOP *may* run successfully without an associated START call, this is not gaurenteed. @@ -86,8 +87,8 @@ Parameters ---------- ``uint32_t type`` This parameter specifies the imc counter domain. - The value can be either 'OPAL_IMC_COUNTERS_NEST' - or 'OPAL_IMC_COUNTERS_CORE' + The value can be 'OPAL_IMC_COUNTERS_NEST', + 'OPAL_IMC_COUNTERS_CORE' or 'OPAL_IMC_COUNTERS_TRACE' ``uint64_t cpu_pir`` This parameter specifices target cpu pir |
