[PATCH 5/8] Documentation: s390: use code block for structs

[Bagas Sanjaya <bagasdotme@gmail.com>]

In vfio-ap-locking documentation, struct code samples aren't inside code
blocks, hence trigger many inline emphasis and definition list warnings.

Use code blocks for them.

Link: https://lore.kernel.org/linux-next/20220721201058.2a276286@canb.auug.org.au/
Fixes: e32d3827f3d5b2 ("s390/Docs: new doc describing lock usage by the vfio_ap device driver")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/s390/vfio-ap-locking.rst | 64 +++++++++++++++-----------
 1 file changed, 36 insertions(+), 28 deletions(-)

diff --git a/Documentation/s390/vfio-ap-locking.rst b/Documentation/s390/vfio-ap-locking.rst
index c4e1eeec79a0f5..4194b78ace0e94 100644
--- a/Documentation/s390/vfio-ap-locking.rst
+++ b/Documentation/s390/vfio-ap-locking.rst
@@ -5,21 +5,23 @@ VFIO AP Locks Overview
 ======================
 This document describes the locks that are pertinent to the secure operation
 of the vfio_ap device driver. Throughout this document, the following variables
-will be used to denote instances of the structures herein described:
+will be used to denote instances of the structures herein described::
 
-struct ap_matrix_dev *matrix_dev;
-struct ap_matrix_mdev *matrix_mdev;
-struct kvm *kvm;
+   struct ap_matrix_dev *matrix_dev;
+   struct ap_matrix_mdev *matrix_mdev;
+   struct kvm *kvm;
 
 The Matrix Devices Lock (drivers/s390/crypto/vfio_ap_private.h)
 --------------------------------------------------------------
 
-struct ap_matrix_dev {
-	...
-	struct list_head mdev_list;
-	struct mutex mdevs_lock;
-	...
-}
+::
+
+   struct ap_matrix_dev {
+	   ...
+	   struct list_head mdev_list;
+	   struct mutex mdevs_lock;
+	   ...
+   }
 
 The Matrix Devices Lock (matrix_dev->mdevs_lock) is implemented as a global
 mutex contained within the single object of struct ap_matrix_dev. This lock
@@ -31,11 +33,13 @@ representing one of the vfio_ap device driver's mediated devices.
 The KVM Lock (include/linux/kvm_host.h)
 ---------------------------------------
 
-struct kvm {
-	...
-	struct mutex lock;
-	...
-}
+::
+
+   struct kvm {
+	   ...
+	   struct mutex lock;
+	   ...
+   }
 
 The KVM Lock (kvm->lock) controls access to the state data for a KVM guest. This
 lock must be held by the vfio_ap device driver while one or more AP adapters,
@@ -48,12 +52,14 @@ been attached to the KVM guest.
 The Guests Lock (drivers/s390/crypto/vfio_ap_private.h)
 -----------------------------------------------------------
 
-struct ap_matrix_dev {
-	...
-	struct list_head mdev_list;
-	struct mutex guests_lock;
-	...
-}
+::
+
+   struct ap_matrix_dev {
+	   ...
+	   struct list_head mdev_list;
+	   struct mutex guests_lock;
+	   ...
+   }
 
 The Guests Lock (matrix_dev->guests_lock) controls access to the
 matrix_mdev instances (matrix_dev->mdev_list) that represent mediated devices
@@ -89,14 +95,16 @@ resources, so only the matrix_dev->mdevs_lock needs to be held.
 The PQAP Hook Lock (arch/s390/include/asm/kvm_host.h)
 -----------------------------------------------------
 
-typedef int (*crypto_hook)(struct kvm_vcpu *vcpu);
+::
 
-struct kvm_s390_crypto {
-	...
-	struct rw_semaphore pqap_hook_rwsem;
-	crypto_hook *pqap_hook;
-	...
-};
+   typedef int (*crypto_hook)(struct kvm_vcpu *vcpu);
+
+   struct kvm_s390_crypto {
+	   ...
+	   struct rw_semaphore pqap_hook_rwsem;
+	   crypto_hook *pqap_hook;
+	   ...
+   };
 
 The PQAP Hook Lock is a r/w semaphore that controls access to the function
 pointer of the handler (*kvm->arch.crypto.pqap_hook) to invoke when the
-- 
An old man doll... just what I always wanted! - Clara