Merge: crypto: ccp: update ccp drivers to v6.18

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-10/-/merge_requests/1452

```
JIRA: https://issues.redhat.com/browse/RHEL-106909
JIRA: https://issues.redhat.com/browse/RHEL-107608
Upstream Status: 23 commits are merged into the linux.git
                 1 commit is in the herbert/crypto-2.6
                 10 commit are in the herbert/cryptodev-2.6.git
CVE: CVE-2025-38581
CVE: CVE-2025-39729

Bring in the latest CCP drivers bugfixes and updates.
All the commits apply cleanly, no conflicts, except 2
small context differences.

Signed-off-by: Vladis Dronov <vdronov@redhat.com>
```

Approved-by: Tony Camuso <tcamuso@redhat.com>
Approved-by: Herbert Xu <zxu@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: CKI GitLab Kmaint Pipeline Bot <26919896-cki-kmaint-pipeline-bot@users.noreply.gitlab.com>

Author: CKI KWF Bot

Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml

@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/amd,ccp-seattle-v1a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AMD Cryptographic Coprocessor (ccp)
+
+maintainers:
+  - Tom Lendacky <thomas.lendacky@amd.com>
+
+properties:
+  compatible:
+    const: amd,ccp-seattle-v1a
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  dma-coherent: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    crypto@e0100000 {
+        compatible = "amd,ccp-seattle-v1a";
+        reg = <0xe0100000 0x10000>;
+        interrupts = <0 3 4>;
+        dma-coherent;
+    };

Documentation/devicetree/bindings/crypto/amd-ccp.txt

@@ -2882,6 +2882,7 @@ void __init sev_set_cpu_caps(void)
 void __init sev_hardware_setup(void)
 {
 	unsigned int eax, ebx, ecx, edx, sev_asid_count, sev_es_asid_count;
+	struct sev_platform_init_args init_args = {0};
 	bool sev_snp_supported = false;
 	bool sev_es_supported = false;
 	bool sev_supported = false;
@@ -2998,6 +2999,15 @@ void __init sev_hardware_setup(void)
 	sev_supported_vmsa_features = 0;
 	if (sev_es_debug_swap_enabled)
 		sev_supported_vmsa_features |= SVM_SEV_FEAT_DEBUG_SWAP;
+
+	if (!sev_enabled)
+		return;
+
+	/*
+	 * Do both SNP and SEV initialization at KVM module load.
+	 */
+	init_args.probe = true;
+	sev_platform_init(&init_args);
 }
 
 void sev_hardware_unsetup(void)
@@ -3013,6 +3023,8 @@ void sev_hardware_unsetup(void)
 
 	misc_cg_set_capacity(MISC_CG_RES_SEV, 0);
 	misc_cg_set_capacity(MISC_CG_RES_SEV_ES, 0);
+
+	sev_platform_shutdown();
 }
 
 int sev_cpu_init(struct svm_cpu_data *sd)

arch/x86/kvm/svm/sev.c

@@ -7,15 +7,16 @@
  * Author: Tom Lendacky <thomas.lendacky@amd.com>
  */
 
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <linux/scatterlist.h>
-#include <linux/crypto.h>
-#include <crypto/algapi.h>
 #include <crypto/aes.h>
 #include <crypto/ctr.h>
-#include <crypto/scatterwalk.h>
+#include <crypto/internal/skcipher.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/scatterlist.h>
+#include <linux/slab.h>
+#include <linux/string.h>
 
 #include "ccp-crypto.h"
 

drivers/crypto/ccp/ccp-crypto-aes.c

@@ -7,14 +7,15 @@
  * Author: Gary R Hook <ghook@amd.com>
  */
 
+#include <crypto/internal/des.h>
+#include <crypto/internal/skcipher.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
 #include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
 #include <linux/scatterlist.h>
-#include <linux/crypto.h>
-#include <crypto/algapi.h>
-#include <crypto/scatterwalk.h>
-#include <crypto/internal/des.h>
+#include <linux/slab.h>
+#include <linux/string.h>
 
 #include "ccp-crypto.h"
 

drivers/crypto/ccp/ccp-crypto-des3.c

@@ -7,14 +7,17 @@
  * Author: Tom Lendacky <thomas.lendacky@amd.com>
  */
 
-#include <linux/module.h>
-#include <linux/moduleparam.h>
+#include <crypto/internal/akcipher.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/skcipher.h>
+#include <linux/ccp.h>
+#include <linux/err.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
-#include <linux/ccp.h>
+#include <linux/module.h>
 #include <linux/scatterlist.h>
-#include <crypto/internal/hash.h>
-#include <crypto/internal/akcipher.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
 
 #include "ccp-crypto.h"
 

drivers/crypto/ccp/ccp-crypto-main.c

@@ -319,5 +319,8 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
 
 void ccp5_debugfs_destroy(void)
 {
+	mutex_lock(&ccp_debugfs_lock);
 	debugfs_remove_recursive(ccp_debugfs_dir);
+	ccp_debugfs_dir = NULL;
+	mutex_unlock(&ccp_debugfs_lock);
 }