IndustryStandard\IpmiNetFnSensorEvent.h: Added SetSensorThreshold and…

… GetSensorThreshold commands (#288)

## Description

[The Ipmi
Specification](https://www.intel.com/content/www/us/en/products/docs/servers/ipmi/ipmi-second-gen-interface-spec-v2-rev1-1.html)
contains a lot of commands and structures that are not widely used in
firmware.

PR to add the Set Sensor Thresholds and Get Sensor Thresholds commands,
and their associated structure definitions.

<_Please include a description of the change and why this change was
made._>

For each item, place an "x" in between `[` and `]` if true. Example:
`[x]`.
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- [ ] Impacts functionality?
- **Functionality** - Does the change ultimately impact how firmware
functions?
- Examples: Add a new library, publish a new PPI, update an algorithm,
...
- [ ] Impacts security?
- **Security** - Does the change have a direct security impact on an
application,
    flow, or firmware?
  - Examples: Crypto algorithm change, buffer overflow fix, parameter
    validation improvement, ...
- [ ] Breaking change?
- **Breaking change** - Will anyone consuming this change experience a
break
    in build or boot behavior?
- Examples: Add a new library class, move a module to a different repo,
call
    a function in a new library class in a pre-existing module, ...
- [ ] Includes tests?
  - **Tests** - Does the change include any explicit test code?
  - Examples: Unit tests, integration tests, robot tests, ...
- [ ] Includes documentation?
- **Documentation** - Does the change contain explicit documentation
additions
    outside direct code modifications (and comments)?
- Examples: Update readme file, add feature readme file, link to
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    on an a separate Web page, ...

## How This Was Tested
These are just command and structure definitions. 

## Integration Instructions
N/A

MdePkg/Include/IndustryStandard/IpmiNetFnSensorEvent.h

@@ -42,5 +42,50 @@ typedef struct {
   UINT8    OEMEvData3;
 } IPMI_PLATFORM_EVENT_MESSAGE_DATA_REQUEST;
 
+//
+// Definitions for Set Sensor Thresholds command
+//
+#define IPMI_SENSOR_SET_SENSOR_THRESHOLDS  0x26
+
+typedef union {
+  struct _SENSOR_BITS {
+    UINT8    LowerNonCriticalThreshold    : 1;
+    UINT8    LowerCriticalThreshold       : 1;
+    UINT8    LowerNonRecoverableThreshold : 1;
+    UINT8    UpperNonCriticalThreshold    : 1;
+    UINT8    UpperCriticalThreshold       : 1;
+    UINT8    UpperNonRecoverableThreshold : 1;
+    UINT8    Reserved                     : 2;
+  } Bits;
+  UINT8    Uint8;
+} SENSOR_BITS;
+
+typedef struct _IPMI_SENSOR_SET_SENSOR_THRESHOLD_REQUEST_DATA {
+  UINT8          SensorNumber;
+  SENSOR_BITS    SetBitEnable;
+  UINT8          LowerNonCriticalThreshold;
+  UINT8          LowerCriticalThreshold;
+  UINT8          LowerNonRecoverableThreshold;
+  UINT8          UpperNonCriticalThreshold;
+  UINT8          UpperCriticalThreshold;
+  UINT8          UpperNonRecoverableThreshold;
+} IPMI_SENSOR_SET_SENSOR_THRESHOLD_REQUEST_DATA;
+
+//
+// Definitions for Get Sensor Thresholds command
+//
+#define IPMI_SENSOR_GET_SENSOR_THRESHOLDS  0x27
+
+typedef struct _IPMI_SENSOR_GET_SENSOR_THRESHOLD_RESPONSE_DATA {
+  UINT8          CompletionCode;
+  SENSOR_BITS    GetBitEnable;
+  UINT8          LowerNonCriticalThreshold;
+  UINT8          LowerCriticalThreshold;
+  UINT8          LowerNonRecoverableThreshold;
+  UINT8          UpperNonCriticalThreshold;
+  UINT8          UpperCriticalThreshold;
+  UINT8          UpperNonRecoverableThreshold;
+} IPMI_SENSOR_GET_SENSOR_THRESHOLD_RESPONSE_DATA;
+
 #pragma pack()
 #endif