linux-kernel - [RFC PATCH v1 02/38] tsm: Move tsm core outside the host directory

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Message-ID: <20250728135216.48084-3-aneesh.kumar@kernel.org>
Date: Mon, 28 Jul 2025 19:21:39 +0530
From: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@...nel.org>
To: linux-coco@...ts.linux.dev,
	kvmarm@...ts.linux.dev
Cc: linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	aik@....com,
	lukas@...ner.de,
	Samuel Ortiz <sameo@...osinc.com>,
	Xu Yilun <yilun.xu@...ux.intel.com>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Suzuki K Poulose <Suzuki.Poulose@....com>,
	Steven Price <steven.price@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Marc Zyngier <maz@...nel.org>,
	Will Deacon <will@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	"Aneesh Kumar K.V (Arm)" <aneesh.kumar@...nel.org>
Subject: [RFC PATCH v1 02/38] tsm: Move tsm core outside the host directory

A later patch will add guest changes that will also use the same
infrastructure.

Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@...nel.org>
---
 drivers/virt/coco/Kconfig               | 3 ++-
 drivers/virt/coco/Makefile              | 6 ++++--
 drivers/virt/coco/host/Kconfig          | 6 ------
 drivers/virt/coco/host/Makefile         | 6 ------
 drivers/virt/coco/{host => }/tsm-core.c | 0
 5 files changed, 6 insertions(+), 15 deletions(-)
 delete mode 100644 drivers/virt/coco/host/Kconfig
 delete mode 100644 drivers/virt/coco/host/Makefile
 rename drivers/virt/coco/{host => }/tsm-core.c (100%)

diff --git a/drivers/virt/coco/Kconfig b/drivers/virt/coco/Kconfig
index 14e7cf145d85..57248b088545 100644
--- a/drivers/virt/coco/Kconfig
+++ b/drivers/virt/coco/Kconfig
@@ -15,4 +15,5 @@ source "drivers/virt/coco/arm-cca-guest/Kconfig"
 
 source "drivers/virt/coco/guest/Kconfig"
 
-source "drivers/virt/coco/host/Kconfig"
+config TSM
+	tristate
diff --git a/drivers/virt/coco/Makefile b/drivers/virt/coco/Makefile
index 73f1b7bc5b11..04e124b2d7cf 100644
--- a/drivers/virt/coco/Makefile
+++ b/drivers/virt/coco/Makefile
@@ -2,10 +2,12 @@
 #
 # Confidential computing related collateral
 #
+
 obj-$(CONFIG_EFI_SECRET)	+= efi_secret/
 obj-$(CONFIG_ARM_PKVM_GUEST)	+= pkvm-guest/
 obj-$(CONFIG_SEV_GUEST)		+= sev-guest/
 obj-$(CONFIG_INTEL_TDX_GUEST)	+= tdx-guest/
 obj-$(CONFIG_ARM_CCA_GUEST)	+= arm-cca-guest/
-obj-$(CONFIG_TSM_REPORTS)	+= guest/
-obj-y				+= host/
+
+obj-$(CONFIG_TSM) 		+= tsm-core.o
+obj-y				+= guest/
diff --git a/drivers/virt/coco/host/Kconfig b/drivers/virt/coco/host/Kconfig
deleted file mode 100644
index 4fbc6ef34f12..000000000000
--- a/drivers/virt/coco/host/Kconfig
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-# TSM (TEE Security Manager) Common infrastructure and host drivers
-#
-config TSM
-	tristate
diff --git a/drivers/virt/coco/host/Makefile b/drivers/virt/coco/host/Makefile
deleted file mode 100644
index be0aba6007cd..000000000000
--- a/drivers/virt/coco/host/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-# TSM (TEE Security Manager) Common infrastructure and host drivers
-
-obj-$(CONFIG_TSM) += tsm.o
-tsm-y := tsm-core.o
diff --git a/drivers/virt/coco/host/tsm-core.c b/drivers/virt/coco/tsm-core.c
similarity index 100%
rename from drivers/virt/coco/host/tsm-core.c
rename to drivers/virt/coco/tsm-core.c
-- 
2.43.0