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Diffstat (limited to 'src/usr/hwas/common/README.md')
| -rw-r--r-- | src/usr/hwas/common/README.md | 92 |
1 files changed, 84 insertions, 8 deletions
diff --git a/src/usr/hwas/common/README.md b/src/usr/hwas/common/README.md index 6b4a7e796..d2621e4c5 100644 --- a/src/usr/hwas/common/README.md +++ b/src/usr/hwas/common/README.md @@ -18,14 +18,90 @@ ### _deconfigAffinityParent ###### Deconfigure parent if is has no functional children -- checks if it is allowed to rollup deconfigure to parent -- Checks base attribute: ATTR_PARENT_DECONFIG_DISABLED - - 0 = allow parent deconfigure (default) - - 1 = do not allow parent deconfigure +- Checks base attribute: ATTR_PARENT_DECONFIG_RULES + - childRollupAllowed - Does this target allow its child's deconfiguration to rollup to it? + - deconfigureParent - Is this child target allowed to rollup its deconfigure to parent? + - valid - Are the previous two rules valid? +- checks if it is allowed to rollup deconfigure to parent (deconfigureParent) - Grab parent target via new utility: getImmediateParentByAffinity(childTarget) - Checks parent is functional -- Check if parent target has a functional AFFINITY child. +- Verifies parent is allowed to be deconfigured by child rollup(childRollupAllowed) +- Check if parent target has a functional AFFINITY child that is same type/class as the child. - If no functional child found, then deconfigure the parent target and then call - _deconfigParentAssoc passing the parent target. We already know this parent - target has no functional children, so we just continue the deconfigure - rollup to the next level. + _deconfigureByAssoc passing the parent target. Need to account for possible non-like + children that need to be deconfigured under the parent target. + + +# 2.3 Compatibility RISK_LEVEL update + +## updateProcCompatibilityRiskLevel() +- This function changes the RISK_LEVEL based on ECs installed, + Input RISK_LEVEL, and PROC_COMPATIBILITY_REQ setting +- ATTR_RISK_LEVEL is being used to control what processor security/performance +is allowable + - *Compatibility levels:* + + 0 - P9N22_P9C12_RUGBY_FAVOR_SECURITY + + 1 - P9N22_P9C12_RUGBY_FAVOR_PERFORMANCE + + 2 - P9N22_NO_RUGBY_MITIGATIONS + + 3 - P9N22_P9N23_JAVA_PERF + - *Native levels: (DD2.3 supported)* + + 4 - P9N23_P9C13_NATIVE_SMF_RUGBY_FAVOR_SECURITY + + 5 - P9N23_P9C13_NATIVE_SMF_RUGBY_FAVOR_PERFORMANCE + +- ATTR_RISK_LEVEL is either setup via MRW or USER (Firmware code). + + ATTR_RISK_LEVEL_ORIGIN is defaulted to USER unless MRW is used. + + ATTR_RISK_LEVEL_ORIGIN is used for error case of FORCED_COMPATIBIILITY + +- ATTR_PROC_COMPATIBILITY_REQ is used to determine how to update the system's +risk level. + + 0 - ALLOW_COMPATIBILITY = set RISK_LEVEL to best allowed (default) + + 1 - FORCED_COMPATIBILITY = set RISK_LEVEL to a compatible level + + 2 - FORCED_NATIVE = set RISK_LEVEL to ECs native setting + (DD2.2 = compatible level, DD2.3 = Native) + +### Compatibility Truth Tables + +1. **ALLOW_COMPATIBILITY** (default) + +| Input RISK_LEVEL | RISK_LEVEL_ORIGIN | Output RISK_LEVEL (All DD2.3) | Output RISK_LEVEL (All DD2.2) | Output RISK_LEVEL (Mixed) | +|:---------- |:----------------- |:-----------------:|:-----------------:|:-----------------:| +| 0,1 | User | 0,1 | 0,1 | 0,1 | +| 2 | User | 2 | 2 | 2 | +| 3 | User | 3 | 3 | 3 | +| 4 | User | 4 | `0` | `0` | +| 5 | User | 5 | `2` | `2` | +| 0,1 | MRW | `4` | 0,1 | 0,1 | +| 2 | MRW | `5` | 2 | 2 | +| 3 | MRW | 3 | 3 | 3 | +| 4 | MRW | 4 | `0` | `0` | +| 5 | MRW | 5 | `2` | `2` | + +2. **FORCED_COMPATIBILITY** + +| Input RISK_LEVEL | RISK_LEVEL_ORIGIN | Output RISK_LEVEL (All DD2.3) | Output RISK_LEVEL (All DD2.2) | Output RISK_LEVEL (Mixed) | +|:---------- |:----------------- |:-----------------:|:-----------------:|:-----------------:| +| 0,1 | User | 0,1 | 0,1 | 0,1 | +| 2 | User | 2 | 2 | 2 | +| 3 | User | 3 | 3 | 3 | +| 4 | User | `0` | `0` | `0` | +| 5 | User | `2` | `2` | `2` | +| 0,1 | MRW | 0,1 | 0,1 | 0,1 | +| 2 | MRW | 2 | 2 | 2 | +| 3 | MRW | 3 | 3 | 3 | +| 4 | MRW | **ERROR** | **ERROR** | **ERROR** | +| 5 | MRW | **ERROR** | **ERROR** | **ERROR** | + +3. **FORCE_NATIVE** + +| Input RISK_LEVEL | RISK_LEVEL_ORIGIN | Output RISK_LEVEL (All DD2.3) | Output RISK_LEVEL (All DD2.2) | Output RISK_LEVEL (Mixed) | +|:---------- |:----------------- |:-----------------:|:-----------------:|:-----------------:| +| 0,1 | User | `4` | 0,1 | **ERROR** | +| 2 | User | `5` | 2 | **ERROR** | +| 3 | User | **ERROR** | 3 | **ERROR** | +| 4 | User | 4 | `0` | **ERROR** | +| 5 | User | 5 | `2` | **ERROR** | +| 0,1 | MRW | `4` | 0,1 | **ERROR** | +| 2 | MRW | `5` | 2 | **ERROR** | +| 3 | MRW | **ERROR** | 3 | **ERROR** | +| 4 | MRW | 4 | `0` | **ERROR** | +| 5 | MRW | 5 | `2` | **ERROR** | |
