Power: add events for power rail and voltage regulator faults

Define two events: PowerRailFault and VoltageRegulatorFault.
These can be used for power rail / pgood failure and voltage regulator
reported failures respectively.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I5f0391fa8a513b04d57e2f8d932b4b8023773283
diff --git a/gen/xyz/openbmc_project/State/Power/meson.build b/gen/xyz/openbmc_project/State/Power/meson.build
new file mode 100644
index 0000000..34d81a9
--- /dev/null
+++ b/gen/xyz/openbmc_project/State/Power/meson.build
@@ -0,0 +1,26 @@
+# Generated file; do not modify.
+
+sdbusplus_current_path = 'xyz/openbmc_project/State/Power'
+
+generated_sources += custom_target(
+    'xyz/openbmc_project/State/Power__cpp'.underscorify(),
+    input: ['../../../../../yaml/xyz/openbmc_project/State/Power.events.yaml'],
+    output: ['event.cpp', 'event.hpp'],
+    depend_files: sdbusplusplus_depfiles,
+    command: [
+        sdbuspp_gen_meson_prog,
+        '--command',
+        'cpp',
+        '--output',
+        meson.current_build_dir(),
+        '--tool',
+        sdbusplusplus_prog,
+        '--directory',
+        meson.current_source_dir() / '../../../../../yaml',
+        'xyz/openbmc_project/State/Power',
+    ],
+    install: should_generate_cpp,
+    install_dir: [false, get_option('includedir') / sdbusplus_current_path],
+    build_by_default: should_generate_cpp,
+)
+
diff --git a/gen/xyz/openbmc_project/State/meson.build b/gen/xyz/openbmc_project/State/meson.build
index e5f2a81..b318619 100644
--- a/gen/xyz/openbmc_project/State/meson.build
+++ b/gen/xyz/openbmc_project/State/meson.build
@@ -9,6 +9,7 @@
 subdir('Host')
 subdir('Leak')
 subdir('OperatingSystem')
+subdir('Power')
 subdir('PowerOnHours')
 subdir('SMC')
 subdir('ScheduledHostTransition')
@@ -184,6 +185,50 @@
 )
 
 generated_markdown += custom_target(
+    'xyz/openbmc_project/State/Power__markdown'.underscorify(),
+    input: ['../../../../yaml/xyz/openbmc_project/State/Power.events.yaml'],
+    output: ['Power.md'],
+    depend_files: sdbusplusplus_depfiles,
+    command: [
+        sdbuspp_gen_meson_prog,
+        '--command',
+        'markdown',
+        '--output',
+        meson.current_build_dir(),
+        '--tool',
+        sdbusplusplus_prog,
+        '--directory',
+        meson.current_source_dir() / '../../../../yaml',
+        'xyz/openbmc_project/State/Power',
+    ],
+    install: should_generate_markdown,
+    install_dir: [inst_markdown_dir / sdbusplus_current_path],
+    build_by_default: should_generate_markdown,
+)
+
+generated_registry += custom_target(
+    'xyz/openbmc_project/State/Power__registry'.underscorify(),
+    input: ['../../../../yaml/xyz/openbmc_project/State/Power.events.yaml'],
+    output: ['Power.json'],
+    depend_files: sdbusplusplus_depfiles,
+    command: [
+        sdbuspp_gen_meson_prog,
+        '--command',
+        'registry',
+        '--output',
+        meson.current_build_dir(),
+        '--tool',
+        sdbusplusplus_prog,
+        '--directory',
+        meson.current_source_dir() / '../../../../yaml',
+        'xyz/openbmc_project/State/Power',
+    ],
+    install: should_generate_registry,
+    install_dir: [inst_registry_dir / sdbusplus_current_path],
+    build_by_default: should_generate_registry,
+)
+
+generated_markdown += custom_target(
     'xyz/openbmc_project/State/PowerOnHours__markdown'.underscorify(),
     input: [
         '../../../../yaml/xyz/openbmc_project/State/PowerOnHours.interface.yaml',
diff --git a/yaml/xyz/openbmc_project/State/Power.events.yaml b/yaml/xyz/openbmc_project/State/Power.events.yaml
new file mode 100644
index 0000000..0e61ed7
--- /dev/null
+++ b/yaml/xyz/openbmc_project/State/Power.events.yaml
@@ -0,0 +1,34 @@
+version: 1.0.0
+
+errors:
+    - name: PowerRailFault
+      severity: error
+      metadata:
+          - name: PowerRail
+            type: object_path
+            primary: true
+            description: The name or identifier of the power rail.
+          - name: FailureData
+            type: string
+            description: An [optional] set of additional failure data.
+      en:
+          description: A fault has been detected on a power rail.
+          message: A fault has been detected on power rail '{Rail}'.
+      errno: EIO
+
+    - name: VoltageRegulatorFault
+      severity: error
+      metadata:
+          - name: VoltageRegulator
+            type: object_path
+            primary: true
+            description: The name or identifier of the voltage regulator.
+          - name: FailureData
+            type: string
+            description: An [optional] set of additional failure data.
+      en:
+          description: A fault has been detected from a voltage regulator.
+          message:
+              A fault has been detected on voltage regulator
+              '{VoltageRegulator}'
+      errno: EIO