spec: Specify Partition Manager

7 files changed, 1117 insertions, 0 deletions

diff --git a/spec/rtems/part/req/buffers.yml b/spec/rtems/part/req/buffers.yml
new file mode 100644
index 00000000..6e809830
--- /dev/null
+++ b/spec/rtems/part/req/buffers.yml
@@ -0,0 +1,16 @@
+SPDX-License-Identifier: CC-BY-SA-4.0
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+enabled-by: true
+links:
+- role: requirement-refinement
+  uid: ../if/group
+functional-type: function
+rationale: null
+references: []
+requirement-type: functional
+text: |
+  The count of buffers available for use from a partition shall be exactly the
+  buffer area length divided by the buffer size (integer division) specified at
+  partition creation.
+type: requirement
diff --git a/spec/rtems/part/req/create.yml b/spec/rtems/part/req/create.yml
new file mode 100644
index 00000000..37edd185
--- /dev/null
+++ b/spec/rtems/part/req/create.yml
@@ -0,0 +1,433 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+enabled-by: true
+functional-type: action
+links:
+- role: interface-function
+  uid: ../if/create
+post-conditions:
+- name: Status
+  states:
+  - name: Ok
+    test-code: |
+      T_rsc_success( ctx->status );
+      T_eq_ptr( ctx->id, &ctx->id_value );
+      T_ne_u32( ctx->id_value, 0xffffffff );
+
+      id = 0xffffffff;
+      sc = rtems_partition_ident( PART_NAME, RTEMS_SEARCH_LOCAL_NODE, &id );
+      T_rsc_success( sc );
+      T_eq_u32( id, ctx->id_value );
+
+      for ( i = 0; i < BUFFER_COUNT; ++i) {
+        sc = rtems_partition_get_buffer( ctx->id_value, &buffers[ i ] );
+        T_rsc_success( sc );
+        T_not_null( buffers[ i ] );
+      }
+
+      no_buffer = (void *) (uintptr_t) 1;
+      sc = rtems_partition_get_buffer( ctx->id_value, &no_buffer );
+      T_rsc( sc, RTEMS_UNSATISFIED );
+      T_eq_ptr( no_buffer, (void *) (uintptr_t) 1 );
+
+      for ( i = 0; i < BUFFER_COUNT; ++i) {
+        sc = rtems_partition_return_buffer( ctx->id_value, buffers[ i ] );
+        T_rsc_success( sc );
+      }
+
+      sc = rtems_partition_delete( ctx->id_value );
+      T_rsc_success( sc );
+    text: |
+      The status shall be RTEMS_SUCCESSFUL.  The value of the object identifier
+      referenced by the id parameter shall identify the created partition.
+  - name: InvAddress
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_ADDRESS );
+      T_eq_u32( ctx->id_value, 0xffffffff );
+    text: |
+      The status shall be RTEMS_INVALID_ADDRESS.
+  - name: InvName
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_NAME );
+      T_eq_u32( ctx->id_value, 0xffffffff );
+    text: |
+      The status shall be RTEMS_INVALID_NAME.  If the id parameter is not NULL,
+      then the value of the object identifier referenced by the id parameter
+      shall be unchanged.
+  - name: InvNumber
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_NUMBER );
+      T_eq_u32( ctx->id_value, 0xffffffff );
+    text: |
+      The status shall be RTEMS_INVALID_NUMBER.  If the id parameter is not
+      NULL, then the value of the object identifier referenced by the id
+      parameter shall be unchanged.
+  - name: InvSize
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_SIZE );
+      T_eq_u32( ctx->id_value, 0xffffffff );
+    text: |
+      The status shall be RTEMS_INVALID_SIZE.  If the id parameter is not NULL,
+      then the value of the object identifier referenced by the id parameter
+      shall be unchanged.
+  - name: TooMany
+    test-code: |
+      T_rsc( ctx->status, RTEMS_TOO_MANY );
+      T_eq_u32( ctx->id_value, 0xffffffff );
+    text: |
+      The status shall be RTEMS_TOO_MANY.  If the id parameter is not NULL,
+      then the value of the object identifier referenced by the id parameter
+      shall be unchanged.
+  test-epilogue: null
+  test-prologue: |
+    rtems_status_code sc;
+    rtems_id          id;
+    size_t            i;
+    void             *buffers[ BUFFER_COUNT ];
+    void             *no_buffer;
+pre-conditions:
+- name: Id
+  states:
+  - name: Id
+    test-code: |
+      ctx->id = &ctx->id_value;
+    text: |
+      The id parameter shall reference an object identifier value.
+  - name: 'Null'
+    test-code: |
+      ctx->id = NULL;
+    text: |
+      The id parameter shall be NULL.
+  test-epilogue: null
+  test-prologue: null
+- name: Name
+  states:
+  - name: Valid
+    test-code: |
+      ctx->name = PART_NAME;
+    text: |
+      The name of the partition shall be valid.
+  - name: Invalid
+    test-code: |
+      ctx->name = 0;
+    text: |
+      The name of the partition shall be invalid.
+  test-epilogue: null
+  test-prologue: null
+- name: Start
+  states:
+  - name: Valid
+    test-code: |
+      ctx->starting_address = buffers;
+    text: |
+      The starting address of the buffer area shall be valid.
+  - name: 'Null'
+    test-code: |
+      ctx->starting_address = NULL;
+    text: |
+      The starting address of the buffer area shall be NULL.
+  - name: BadAlign
+    test-code: |
+      ctx->starting_address = &buffers[ 0 ][ 1 ];
+    text: |
+      The starting address of the buffer area shall be misaligned.
+  test-epilogue: null
+  test-prologue: null
+- name: Length
+  states:
+  - name: Valid
+    test-code: |
+      ctx->length = sizeof( buffers );
+    text: |
+      The length of the buffer area shall be valid.
+  - name: Zero
+    test-code: |
+      ctx->length = 0;
+    text: |
+      The length of the buffer area shall be zero.
+  - name: Invalid
+    test-code: |
+      ctx->length = sizeof( buffers[ 0 ] ) - 1;
+    text: |
+      The length of the buffer area shall be less than the buffer size.
+  test-epilogue: null
+  test-prologue: null
+- name: Size
+  states:
+  - name: Valid
+    test-code: |
+      ctx->buffer_size = sizeof( buffers[ 0 ] );
+    text: |
+      The buffer size shall be valid.
+  - name: Zero
+    test-code: |
+      ctx->buffer_size = 0;
+    text: |
+      The buffer size shall be zero.
+  - name: Small
+    test-code: |
+      ctx->buffer_size = sizeof( buffers[ 0 ] ) - 1;
+    text: |
+      The buffer size shall be less than the size of two pointers.
+  test-epilogue: null
+  test-prologue: null
+- name: Parts
+  states:
+  - name: Avail
+    test-code: |
+      /* Nothing to do */
+    text: |
+      There shall be at least one inactive partition object available.
+  - name: None
+    test-code: |
+      i = 0;
+
+      while ( i < MAX_PARTITIONS ) {
+        rtems_status_code sc;
+        rtems_id          id;
+
+        sc = rtems_partition_create(
+          rtems_build_name( 'P', 'A', 'R', 'T' ),
+          exhaust_buffers[ i ],
+          sizeof( exhaust_buffers[ i ] ),
+          sizeof( exhaust_buffers[ i ][ 0 ] ),
+          RTEMS_DEFAULT_ATTRIBUTES,
+          &id
+        );
+
+        if ( sc == RTEMS_SUCCESSFUL ) {
+          Objects_Control           *obj;
+          const Objects_Information *info;
+
+          info = _Objects_Get_information_id( id );
+          T_quiet_assert_not_null( info );
+          obj = _Objects_Get_no_protection( id, info );
+          T_quiet_assert_not_null( obj );
+          _Chain_Append_unprotected( &ctx->partitions, &obj->Node );
+        } else {
+          T_quiet_rsc( sc, RTEMS_TOO_MANY );
+          break;
+        }
+
+        ++i;
+      }
+    text: |
+      There shall be no inactive partition object available.
+  test-epilogue: null
+  test-prologue: |
+    size_t i;
+rationale: null
+references: []
+requirement-type: functional
+skip-reasons: {}
+test-action: |
+  ctx->status = rtems_partition_create(
+    ctx->name,
+    ctx->starting_address,
+    ctx->length,
+    ctx->buffer_size,
+    ctx->attribute_set,
+    ctx->id
+  );
+test-brief: null
+test-cleanup: |
+  Chain_Node *node;
+
+  while ( ( node = _Chain_Get_unprotected( &ctx->partitions ) ) ) {
+    Objects_Control   *obj;
+    rtems_status_code  sc;
+
+    obj = (Objects_Control *) node;
+    sc = rtems_partition_delete( obj->id );
+    T_quiet_rsc_success( sc );
+  }
+test-context:
+- brief: null
+  description: null
+  member: rtems_status_code status
+- brief: null
+  description: null
+  member: rtems_name name
+- brief: null
+  description: null
+  member: void *starting_address
+- brief: null
+  description: null
+  member: uintptr_t length
+- brief: null
+  description: null
+  member: size_t buffer_size
+- brief: null
+  description: null
+  member: rtems_attribute attribute_set
+- brief: null
+  description: null
+  member: rtems_id *id
+- brief: null
+  description: null
+  member: rtems_id id_value
+- brief: null
+  description: null
+  member: Chain_Control partitions
+test-context-support: null
+test-description: null
+test-header: null
+test-includes:
+- rtems.h
+- rtems/score/chainimpl.h
+- rtems/score/objectimpl.h
+- string.h
+test-local-includes: []
+test-prepare: |
+  rtems_status_code sc;
+  rtems_id          id;
+
+  ctx->id_value = 0xffffffff;
+  ctx->attribute_set = RTEMS_DEFAULT_ATTRIBUTES;
+
+  id = 0xffffffff;
+  sc = rtems_partition_ident( PART_NAME, RTEMS_SEARCH_LOCAL_NODE, &id );
+  T_rsc( sc, RTEMS_INVALID_NAME );
+  T_eq_u32( id, 0xffffffff );
+test-setup:
+  brief: null
+  code: |
+    _Chain_Initialize_empty( &ctx->partitions );
+  description: null
+test-stop: null
+test-support: |
+  #define PART_NAME rtems_build_name( 'N', 'A', 'M', 'E' )
+
+  #define MAX_PARTITIONS 4
+
+  #define BUFFER_COUNT 2
+
+  #define BUFFER_SIZE ( 2 * sizeof( void * ) )
+
+  static RTEMS_ALIGNED( RTEMS_PARTITION_ALIGNMENT ) uint8_t
+    exhaust_buffers[ MAX_PARTITIONS ][ BUFFER_COUNT ][ BUFFER_SIZE ];
+
+  static RTEMS_ALIGNED( RTEMS_PARTITION_ALIGNMENT ) uint8_t
+    buffers[ BUFFER_COUNT ][ BUFFER_SIZE ];
+test-target: testsuites/validation/tc-part-create.c
+test-teardown: null
+text: ${.:text-template}
+transition-map:
+- enabled-by: true
+  post-conditions:
+    Status: Ok
+  pre-conditions:
+    Id:
+    - Id
+    Name:
+    - Valid
+    Start:
+    - Valid
+    Length:
+    - Valid
+    Size:
+    - Valid
+    Parts:
+    - Avail
+- enabled-by: true
+  post-conditions:
+    Status: InvName
+  pre-conditions:
+    Id: all
+    Name:
+    - Invalid
+    Start: all
+    Length: all
+    Size: all
+    Parts: all
+- enabled-by: true
+  post-conditions:
+    Status: InvAddress
+  pre-conditions:
+    Id:
+    - 'Null'
+    Name:
+    - Valid
+    Start: all
+    Length: all
+    Size: all
+    Parts: all
+- enabled-by: true
+  post-conditions:
+    Status: InvAddress
+  pre-conditions:
+    Id:
+    - Id
+    Name:
+    - Valid
+    Start:
+    - 'Null'
+    Length: all
+    Size: all
+    Parts: all
+- enabled-by: true
+  post-conditions:
+    Status: InvSize
+  pre-conditions:
+    Id:
+    - Id
+    Name:
+    - Valid
+    Start:
+    - Valid
+    - BadAlign
+    Length:
+    - Zero
+    - Invalid
+    Size: all
+    Parts: all
+- enabled-by: true
+  post-conditions:
+    Status: InvSize
+  pre-conditions:
+    Id:
+    - Id
+    Name:
+    - Valid
+    Start:
+    - Valid
+    - BadAlign
+    Length:
+    - Valid
+    Size:
+    - Zero
+    - Small
+    Parts: all
+- enabled-by: true
+  post-conditions:
+    Status: InvAddress
+  pre-conditions:
+    Id:
+    - Id
+    Name:
+    - Valid
+    Start:
+    - BadAlign
+    Length:
+    - Valid
+    Size:
+    - Valid
+    Parts: all
+- enabled-by: true
+  post-conditions:
+    Status: TooMany
+  pre-conditions:
+    Id:
+    - Id
+    Name:
+    - Valid
+    Start:
+    - Valid
+    Length:
+    - Valid
+    Size:
+    - Valid
+    Parts:
+    - None
+type: requirement
diff --git a/spec/rtems/part/req/delete.yml b/spec/rtems/part/req/delete.yml
new file mode 100644
index 00000000..19a55eae
--- /dev/null
+++ b/spec/rtems/part/req/delete.yml
@@ -0,0 +1,169 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+enabled-by: true
+functional-type: action
+links:
+- role: interface-function
+  uid: ../if/delete
+post-conditions:
+- name: Status
+  states:
+  - name: Ok
+    test-code: |
+      T_rsc_success( ctx->status );
+      ctx->id_value = 0xffffffff;
+
+      id = 0xffffffff;
+      sc = rtems_partition_ident( PART_NAME, RTEMS_SEARCH_LOCAL_NODE, &id );
+      T_rsc( sc, RTEMS_INVALID_NAME );
+      T_eq_u32( id, 0xffffffff );
+    text: |
+      The status shall be RTEMS_SUCCESSFUL.  The deleted partition object shall
+      be inactive.
+  - name: InvId
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_ID );
+
+      id = 0xffffffff;
+      sc = rtems_partition_ident( PART_NAME, RTEMS_SEARCH_LOCAL_NODE, &id );
+      T_rsc_success( sc);
+      T_eq_u32( id, ctx->id_value );
+    text: |
+      The status shall be RTEMS_INVALID_ID.
+  - name: InUse
+    test-code: |
+      T_rsc( ctx->status, RTEMS_RESOURCE_IN_USE );
+
+      id = 0xffffffff;
+      sc = rtems_partition_ident( PART_NAME, RTEMS_SEARCH_LOCAL_NODE, &id );
+      T_rsc_success( sc);
+      T_eq_u32( id, ctx->id_value );
+    text: |
+      The status shall be RTEMS_RESOURCE_IN_USE.
+  test-epilogue: null
+  test-prologue: |
+    rtems_status_code sc;
+    rtems_id          id;
+pre-conditions:
+- name: Id
+  states:
+  - name: Id
+    test-code: |
+      ctx->id = ctx->id_value;
+    text: |
+      The id parameter shall reference a partition object.
+  - name: Invalid
+    test-code: |
+      ctx->id = 0;
+    text: |
+      The id parameter shall not reference a partition object.
+  test-epilogue: null
+  test-prologue: null
+- name: InUse
+  states:
+  - name: Yes
+    test-code: |
+      ctx->buffer = NULL;
+      sc = rtems_partition_get_buffer( ctx->id_value, &ctx->buffer );
+      T_rsc_success( sc );
+      T_not_null( ctx->buffer );
+    text: |
+      The partition shall have at least one buffer in use.
+  - name: No
+    test-code: |
+      ctx->buffer = NULL;
+    text: |
+      The partition shall have no buffer in use.
+  test-epilogue: null
+  test-prologue: |
+    rtems_status_code sc;
+rationale: null
+references: []
+requirement-type: functional
+skip-reasons: {}
+test-action: |
+  ctx->status = rtems_partition_delete( ctx->id );
+test-brief: null
+test-cleanup: |
+  rtems_status_code sc;
+
+  if ( ctx->buffer != NULL ) {
+    sc = rtems_partition_return_buffer( ctx->id_value, ctx->buffer );
+    T_rsc_success( sc );
+  }
+
+  if ( ctx->id_value != 0xffffffff ) {
+    sc = rtems_partition_delete( ctx->id_value );
+    T_rsc_success( sc );
+  }
+test-context:
+- brief: null
+  description: null
+  member: rtems_status_code status
+- brief: null
+  description: null
+  member: rtems_id id
+- brief: null
+  description: null
+  member: rtems_id id_value
+- brief: null
+  description: null
+  member: void *buffer
+test-context-support: null
+test-description: null
+test-header: null
+test-includes:
+- rtems.h
+test-local-includes: []
+test-prepare: |
+  rtems_status_code sc;
+
+  sc = rtems_partition_create(
+    PART_NAME,
+    buffers,
+    sizeof( buffers ),
+    sizeof( buffers[ 0 ] ),
+    RTEMS_DEFAULT_ATTRIBUTES,
+    &ctx->id_value
+  );
+  T_rsc_success( sc );
+test-setup: null
+test-stop: null
+test-support: |
+  #define PART_NAME rtems_build_name( 'N', 'A', 'M', 'E' )
+
+  #define BUFFER_COUNT 1
+
+  #define BUFFER_SIZE ( 2 * sizeof( void * ) )
+
+  static RTEMS_ALIGNED( RTEMS_PARTITION_ALIGNMENT ) uint8_t
+    buffers[ BUFFER_COUNT ][ BUFFER_SIZE ];
+test-target: testsuites/validation/tc-part-delete.c
+test-teardown: null
+text: ${.:text-template}
+transition-map:
+- enabled-by: true
+  post-conditions:
+    Status: Ok
+  pre-conditions:
+    Id:
+    - Id
+    InUse:
+    - No
+- enabled-by: true
+  post-conditions:
+    Status: InvId
+  pre-conditions:
+    Id:
+    - Invalid
+    InUse: all
+- enabled-by: true
+  post-conditions:
+    Status: InUse
+  pre-conditions:
+    Id:
+    - Id
+    InUse:
+    - Yes
+type: requirement
diff --git a/spec/rtems/part/req/fifo.yml b/spec/rtems/part/req/fifo.yml
new file mode 100644
index 00000000..f19f78e2
--- /dev/null
+++ b/spec/rtems/part/req/fifo.yml
@@ -0,0 +1,14 @@
+SPDX-License-Identifier: CC-BY-SA-4.0
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+enabled-by: true
+links:
+- role: requirement-refinement
+  uid: ../if/group
+functional-type: function
+rationale: null
+references: []
+requirement-type: functional
+text: |
+  A partition shall maintain free buffers in FIFO order.
+type: requirement
diff --git a/spec/rtems/part/req/get-buffer.yml b/spec/rtems/part/req/get-buffer.yml
new file mode 100644
index 00000000..3e04be32
--- /dev/null
+++ b/spec/rtems/part/req/get-buffer.yml
@@ -0,0 +1,208 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+enabled-by: true
+functional-type: action
+links:
+- role: interface-function
+  uid: ../if/get-buffer
+post-conditions:
+- name: Status
+  states:
+  - name: Ok
+    test-code: |
+      T_rsc_success( ctx->status );
+      T_eq_ptr( ctx->buffer_pointer, buffers );
+    text: |
+      The status shall be RTEMS_SUCCESSFUL.  The buffer pointer variable shall
+      reference a buffer in the buffer area used to create the partition.
+  - name: InvId
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_ID );
+      T_eq_ptr( ctx->buffer_pointer, (void *) (uintptr_t) 1 );
+    text: |
+      The status shall be RTEMS_INVALID_ID.  If the buffer parameter is not
+      NULL, then the value of the buffer pointer referenced by the buffer
+      parameter shall be unchanged.
+  - name: InvAddr
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_ADDRESS );
+    text: |
+      The status shall be RTEMS_INVALID_ADDRESS.
+  - name: Unsatisfied
+    test-code: |
+      T_rsc( ctx->status, RTEMS_UNSATISFIED );
+      T_eq_ptr( ctx->buffer_pointer, (void *) (uintptr_t) 1 );
+    text: |
+      The status shall be RTEMS_UNSATISFIED.  If the buffer parameter is not
+      NULL, then the value of the buffer pointer referenced by the buffer
+      parameter shall be unchanged.
+  test-epilogue: null
+  test-prologue: null
+pre-conditions:
+- name: Id
+  states:
+  - name: Id
+    test-code: |
+      ctx->id = ctx->id_value;
+    text: |
+      The id parameter shall reference a partition object.
+  - name: Invalid
+    test-code: |
+      ctx->id = 0;
+    text: |
+      The id parameter shall not reference a partition object.
+  test-epilogue: null
+  test-prologue: null
+- name: Buf
+  states:
+  - name: Valid
+    test-code: |
+      ctx->buffer = &ctx->buffer_pointer;
+    text: |
+      The buffer parameter shall reference a buffer pointer variable.
+  - name: 'Null'
+    test-code: |
+      ctx->buffer = NULL;
+    text: |
+      The buffer parameter shall be NULL.
+  test-epilogue: null
+  test-prologue: null
+- name: Avail
+  states:
+  - name: 'Yes'
+    test-code: |
+      /* Nothing to do */
+    text: |
+      The partition shall have at least one free buffer available.
+  - name: 'No'
+    test-code: |
+      sc = rtems_partition_get_buffer( ctx->id_value, &ctx->stolen_buffer );
+      T_rsc_success( sc );
+    text: |
+      The partition shall have no buffer available.
+  test-epilogue: null
+  test-prologue: |
+    rtems_status_code sc;
+rationale: null
+references: []
+requirement-type: functional
+skip-reasons: {}
+test-action: |
+  ctx->status = rtems_partition_get_buffer( ctx->id, ctx->buffer );
+test-brief: null
+test-cleanup: |
+  rtems_status_code sc;
+
+  if ( (uintptr_t) ctx->buffer_pointer != 1 ) {
+    sc = rtems_partition_return_buffer( ctx->id_value, ctx->buffer_pointer );
+    T_rsc_success( sc );
+  }
+
+  if ( ctx->stolen_buffer != NULL ) {
+    sc = rtems_partition_return_buffer( ctx->id_value, ctx->stolen_buffer );
+    T_rsc_success( sc );
+  }
+test-context:
+- brief: null
+  description: null
+  member: rtems_status_code status
+- brief: null
+  description: null
+  member: rtems_id id
+- brief: null
+  description: null
+  member: rtems_id id_value
+- brief: null
+  description: null
+  member: void **buffer
+- brief: null
+  description: null
+  member: void *buffer_pointer
+- brief: null
+  description: null
+  member: void *stolen_buffer
+test-context-support: null
+test-description: null
+test-header: null
+test-includes:
+- rtems.h
+test-local-includes: []
+test-prepare: |
+  ctx->buffer_pointer = (void *) (uintptr_t) 1;
+  ctx->stolen_buffer = NULL;
+test-setup:
+  brief: null
+  code: |
+    rtems_status_code sc;
+
+    ctx->id_value = 0;
+    sc = rtems_partition_create(
+      rtems_build_name( 'N', 'A', 'M', 'E' ),
+      buffers,
+      sizeof( buffers ),
+      sizeof( buffers[ 0 ] ),
+      RTEMS_DEFAULT_ATTRIBUTES,
+      &ctx->id_value
+    );
+    T_assert_rsc_success( sc );
+  description: null
+test-stop: null
+test-support: |
+  #define BUFFER_COUNT 1
+
+  #define BUFFER_SIZE ( 2 * sizeof( void * ) )
+
+  static RTEMS_ALIGNED( RTEMS_PARTITION_ALIGNMENT ) uint8_t
+    buffers[ BUFFER_COUNT ][ BUFFER_SIZE ];
+test-target: testsuites/validation/tc-part-get.c
+test-teardown:
+  brief: null
+  code: |
+    if ( ctx->id_value != 0 ) {
+      rtems_status_code sc;
+
+      sc = rtems_partition_delete( ctx->id_value );
+      T_rsc_success( sc );
+    }
+  description: null
+text: ${.:text-template}
+transition-map:
+- enabled-by: true
+  post-conditions:
+    Status: Ok
+  pre-conditions:
+    Id:
+    - Id
+    Buf:
+    - Valid
+    Avail:
+    - 'Yes'
+- enabled-by: true
+  post-conditions:
+    Status: InvAddr
+  pre-conditions:
+    Id: all
+    Buf:
+    - 'Null'
+    Avail: all
+- enabled-by: true
+  post-conditions:
+    Status: InvId
+  pre-conditions:
+    Id:
+    - Invalid
+    Buf:
+    - Valid
+    Avail: all
+- enabled-by: true
+  post-conditions:
+    Status: Unsatisfied
+  pre-conditions:
+    Id:
+    - Id
+    Buf:
+    - Valid
+    Avail:
+    - 'No'
+type: requirement
diff --git a/spec/rtems/part/req/return-buffer.yml b/spec/rtems/part/req/return-buffer.yml
new file mode 100644
index 00000000..a4af48ba
--- /dev/null
+++ b/spec/rtems/part/req/return-buffer.yml
@@ -0,0 +1,168 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+enabled-by: true
+functional-type: action
+links:
+- role: interface-function
+  uid: ../if/return-buffer
+post-conditions:
+- name: Status
+  states:
+  - name: Ok
+    test-code: |
+      T_rsc_success( ctx->status );
+
+      sc = rtems_partition_get_buffer( ctx->id_value, &ctx->buffer_in_use );
+      T_rsc_success( sc );
+      T_eq_ptr( ctx->buffer_in_use, buffers );
+    text: |
+      The status shall be RTEMS_SUCCESSFUL.  The returned buffer shall be made
+      available for re-use.
+  - name: InvId
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_ID );
+    text: |
+      The status shall be RTEMS_INVALID_ID.
+  - name: InvAddr
+    test-code: |
+      T_rsc( ctx->status, RTEMS_INVALID_ADDRESS );
+    text: |
+      The status shall be RTEMS_INVALID_ADDRESS.
+  test-epilogue: null
+  test-prologue: |
+    rtems_status_code sc;
+pre-conditions:
+- name: Id
+  states:
+  - name: Id
+    test-code: |
+      ctx->id = ctx->id_value;
+    text: |
+      The id parameter shall reference a partition object.
+  - name: Invalid
+    test-code: |
+      ctx->id = 0;
+    text: |
+      The id parameter shall not reference a partition object.
+  test-epilogue: null
+  test-prologue: null
+- name: Buf
+  states:
+  - name: Valid
+    test-code: |
+      ctx->buffer = ctx->buffer_in_use;
+    text: |
+      The buffer parameter shall reference a buffer previously returned by
+      ${../if/get-buffer:/name}.
+  - name: Invalid
+    test-code: |
+      ctx->buffer = (void *) (uintptr_t) 1;
+    text: |
+      The buffer parameter shall be an address outside the buffer area of the
+      partition.
+  test-epilogue: null
+  test-prologue: null
+rationale: null
+references: []
+requirement-type: functional
+skip-reasons: {}
+test-action: |
+  ctx->status = rtems_partition_return_buffer( ctx->id, ctx->buffer );
+test-brief: null
+test-cleanup: null
+test-context:
+- brief: null
+  description: null
+  member: rtems_status_code status
+- brief: null
+  description: null
+  member: rtems_id id
+- brief: null
+  description: null
+  member: rtems_id id_value
+- brief: null
+  description: null
+  member: void *buffer
+- brief: null
+  description: null
+  member: void *buffer_in_use
+test-context-support: null
+test-description: null
+test-header: null
+test-includes:
+- rtems.h
+test-local-includes: []
+test-prepare: null
+test-setup:
+  brief: null
+  code: |
+    rtems_status_code sc;
+
+    ctx->buffer_in_use = 0;
+    ctx->id_value = 0;
+
+    sc = rtems_partition_create(
+      rtems_build_name( 'N', 'A', 'M', 'E' ),
+      buffers,
+      sizeof( buffers ),
+      sizeof( buffers[ 0 ] ),
+      RTEMS_DEFAULT_ATTRIBUTES,
+      &ctx->id_value
+    );
+    T_assert_rsc_success( sc );
+
+    sc = rtems_partition_get_buffer( ctx->id_value, &ctx->buffer_in_use );
+    T_assert_rsc_success( sc );
+    T_assert_eq_ptr( ctx->buffer_in_use, buffers );
+  description: null
+test-stop: null
+test-support: |
+  #define BUFFER_COUNT 1
+
+  #define BUFFER_SIZE ( 2 * sizeof( void * ) )
+
+  static RTEMS_ALIGNED( RTEMS_PARTITION_ALIGNMENT ) uint8_t
+    buffers[ BUFFER_COUNT ][ BUFFER_SIZE ];
+test-target: testsuites/validation/tc-part-return.c
+test-teardown:
+  brief: null
+  code: |
+    rtems_status_code sc;
+
+    if ( ctx->buffer_in_use != NULL ) {
+      sc = rtems_partition_return_buffer( ctx->id_value, ctx->buffer_in_use );
+      T_rsc_success( sc );
+    }
+
+    if ( ctx->id_value != 0 ) {
+      sc = rtems_partition_delete( ctx->id_value );
+      T_rsc_success( sc );
+    }
+  description: null
+text: ${.:text-template}
+transition-map:
+- enabled-by: true
+  post-conditions:
+    Status: Ok
+  pre-conditions:
+    Id:
+    - Id
+    Buf:
+    - Valid
+- enabled-by: true
+  post-conditions:
+    Status: InvId
+  pre-conditions:
+    Id:
+    - Invalid
+    Buf: all
+- enabled-by: true
+  post-conditions:
+    Status: InvAddr
+  pre-conditions:
+    Id:
+    - Id
+    Buf:
+    - Invalid
+type: requirement
diff --git a/spec/rtems/part/val/part.yml b/spec/rtems/part/val/part.yml
new file mode 100644
index 00000000..c4e8c7ed
--- /dev/null
+++ b/spec/rtems/part/val/part.yml
@@ -0,0 +1,109 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+enabled-by: true
+links: []
+test-actions:
+- action: |
+    id = 0xffffffff;
+    sc = rtems_partition_create(
+      rtems_build_name( 'N', 'A', 'M', 'E' ),
+      buffers,
+      sizeof( buffers ) - 1,
+      sizeof( buffers[ 0 ] ),
+      RTEMS_DEFAULT_ATTRIBUTES,
+      &id
+    );
+    T_step_rsc_success( ${step}, sc );
+  checks:
+  - check: |
+      pointers[ 0 ] = NULL;
+      sc = rtems_partition_get_buffer( id, &pointers[ 0 ] );
+      T_step_rsc_success( ${step}, sc );
+      T_step_not_null( ${step}, pointers[ 0 ] );
+
+      pointers[ 1 ] = NULL;
+      sc = rtems_partition_get_buffer( id, &pointers[ 1 ] );
+      T_step_rsc_success( ${step}, sc );
+      T_step_not_null( ${step}, pointers[ 1 ] );
+
+      pointers[ 2 ] = NULL;
+      sc = rtems_partition_get_buffer( id, &pointers[ 2 ] );
+      T_step_rsc_success( ${step}, sc );
+      T_step_not_null( ${step}, pointers[ 2 ] );
+
+      pointers[ 3 ] = NULL;
+      sc = rtems_partition_get_buffer( id, &pointers[ 3 ] );
+      T_step_rsc( ${step}, sc, RTEMS_UNSATISFIED );
+      T_step_null( ${step}, pointers[ 3 ] );
+    description: |
+      Check that exactly three buffers can be obtained from the partition for
+      use in parallel.
+    links:
+    - role: validation
+      uid: ../req/buffers
+  - check: |
+      sc = rtems_partition_return_buffer( id, pointers[ 1 ] );
+      T_step_rsc_success( ${step}, sc );
+
+      sc = rtems_partition_return_buffer( id, pointers[ 2 ] );
+      T_step_rsc_success( ${step}, sc );
+
+      sc = rtems_partition_return_buffer( id, pointers[ 0 ] );
+      T_step_rsc_success( ${step}, sc );
+
+      pointer = NULL;
+      sc = rtems_partition_get_buffer( id, &pointer );
+      T_step_rsc_success( ${step}, sc );
+      T_step_eq_ptr( ${step}, pointer, pointers[ 1 ] );
+
+      pointer = NULL;
+      sc = rtems_partition_get_buffer( id, &pointer );
+      T_step_rsc_success( ${step}, sc );
+      T_step_eq_ptr( ${step}, pointer, pointers[ 2 ] );
+
+      pointer = NULL;
+      sc = rtems_partition_get_buffer( id, &pointer );
+      T_step_rsc_success( ${step}, sc );
+      T_step_eq_ptr( ${step}, pointer, pointers[ 0 ] );
+
+      sc = rtems_partition_return_buffer( id, pointers[ 0 ] );
+      T_step_rsc_success( ${step}, sc );
+
+      sc = rtems_partition_return_buffer( id, pointers[ 1 ] );
+      T_step_rsc_success( ${step}, sc );
+
+      sc = rtems_partition_return_buffer( id, pointers[ 2 ] );
+      T_step_rsc_success( ${step}, sc );
+
+      sc = rtems_partition_delete( id );
+      T_step_rsc_success( ${step}, sc );
+    description: |
+      Return the three buffers in use to the partition and check that they can
+      be obtained from the partition for use in parallel in FIFO order.
+    links:
+    - role: validation
+      uid: ../req/fifo
+  description: |
+    Create a partition with a buffer area length which is greater than three
+    times the buffer size and less than four times the buffer size.
+  links: []
+test-brief: |
+  Validates some functional requirements of the Partition Manager.
+test-description: null
+test-epilogue: null
+test-fixture: null
+test-header: null
+test-includes:
+- rtems.h
+test-local-includes: []
+test-prologue: |
+  RTEMS_ALIGNED( RTEMS_PARTITION_ALIGNMENT ) uint8_t
+    buffers[ 4 ][ 2 * sizeof( void * ) ];
+  void              *pointers[ RTEMS_ARRAY_SIZE( buffers ) ];
+  void              *pointer;
+  rtems_status_code  sc;
+  rtems_id           id;
+test-support: null
+test-target: testsuites/validation/tc-part.c
+type: test-case