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authorSumit Garg <sumit.garg@linaro.org>2024-03-25 16:11:01 +0100
committerJens Wiklander <jens.wiklander@linaro.org>2024-04-03 09:19:31 +0200
commit0439fcff304acdedfc493dbf900dce86922fd31f (patch)
tree55032038ba16df410a84c0f54589925f06836b0e /drivers/tee
parent4cece764965020c22cff7665b18a012006359095 (diff)
downloadnet-0439fcff304acdedfc493dbf900dce86922fd31f.tar.gz
tee: Refactor TEE subsystem header files
Since commit 25559c22cef8 ("tee: add kernel internal client interface"), it has been a common include/linux/tee_drv.h header file which is shared to hold TEE subsystem internal bits along with the APIs exposed to the TEE client drivers. However, this practice is prone to TEE subsystem internal APIs abuse and especially so with the new TEE implementation drivers being added to reuse existing functionality. In order to address this split TEE subsystem internal bits as a separate header file: include/linux/tee_core.h which should be the one used by TEE implementation drivers. With that include/linux/tee_drv.h lists only APIs exposed by TEE subsystem to the TEE client drivers. Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Balint Dobszay <balint.dobszay@arm.com> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'drivers/tee')
-rw-r--r--drivers/tee/amdtee/amdtee_private.h2
-rw-r--r--drivers/tee/amdtee/call.c2
-rw-r--r--drivers/tee/amdtee/core.c3
-rw-r--r--drivers/tee/amdtee/shm_pool.c2
-rw-r--r--drivers/tee/optee/call.c2
-rw-r--r--drivers/tee/optee/core.c2
-rw-r--r--drivers/tee/optee/device.c2
-rw-r--r--drivers/tee/optee/ffa_abi.c2
-rw-r--r--drivers/tee/optee/notif.c2
-rw-r--r--drivers/tee/optee/optee_private.h2
-rw-r--r--drivers/tee/optee/rpc.c2
-rw-r--r--drivers/tee/optee/smc_abi.c2
-rw-r--r--drivers/tee/tee_core.c2
-rw-r--r--drivers/tee/tee_private.h35
-rw-r--r--drivers/tee/tee_shm.c2
-rw-r--r--drivers/tee/tee_shm_pool.c2
16 files changed, 15 insertions, 51 deletions
diff --git a/drivers/tee/amdtee/amdtee_private.h b/drivers/tee/amdtee/amdtee_private.h
index 6d0f7062bb8707..d87050033894b3 100644
--- a/drivers/tee/amdtee/amdtee_private.h
+++ b/drivers/tee/amdtee/amdtee_private.h
@@ -9,7 +9,7 @@
#include <linux/mutex.h>
#include <linux/spinlock.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/kref.h>
#include <linux/types.h>
#include "amdtee_if.h"
diff --git a/drivers/tee/amdtee/call.c b/drivers/tee/amdtee/call.c
index e9b63dcb3194cf..4c21b02be4af75 100644
--- a/drivers/tee/amdtee/call.c
+++ b/drivers/tee/amdtee/call.c
@@ -5,7 +5,7 @@
#include <linux/device.h>
#include <linux/tee.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/psp-tee.h>
#include <linux/slab.h>
#include <linux/psp.h>
diff --git a/drivers/tee/amdtee/core.c b/drivers/tee/amdtee/core.c
index 3c15f6a9e91c0a..e487231d25dc01 100644
--- a/drivers/tee/amdtee/core.c
+++ b/drivers/tee/amdtee/core.c
@@ -9,13 +9,12 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/device.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/uaccess.h>
#include <linux/firmware.h>
#include "amdtee_private.h"
-#include "../tee_private.h"
#include <linux/psp-tee.h>
static struct amdtee_driver_data *drv_data;
diff --git a/drivers/tee/amdtee/shm_pool.c b/drivers/tee/amdtee/shm_pool.c
index f0303126f199d2..6346e0bc8a6482 100644
--- a/drivers/tee/amdtee/shm_pool.c
+++ b/drivers/tee/amdtee/shm_pool.c
@@ -4,7 +4,7 @@
*/
#include <linux/slab.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/psp.h>
#include "amdtee_private.h"
diff --git a/drivers/tee/optee/call.c b/drivers/tee/optee/call.c
index a91e50be11be6d..16eb953e14bb68 100644
--- a/drivers/tee/optee/call.c
+++ b/drivers/tee/optee/call.c
@@ -7,7 +7,7 @@
#include <linux/errno.h>
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/types.h>
#include "optee_private.h"
diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
index 3aed554bc8d8b4..f762e3a2511928 100644
--- a/drivers/tee/optee/core.c
+++ b/drivers/tee/optee/core.c
@@ -13,7 +13,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/string.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/types.h>
#include "optee_private.h"
diff --git a/drivers/tee/optee/device.c b/drivers/tee/optee/device.c
index 1892e49a8e6a68..d296c70ddfdcc8 100644
--- a/drivers/tee/optee/device.c
+++ b/drivers/tee/optee/device.c
@@ -7,7 +7,7 @@
#include <linux/kernel.h>
#include <linux/slab.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/uuid.h>
#include "optee_private.h"
diff --git a/drivers/tee/optee/ffa_abi.c b/drivers/tee/optee/ffa_abi.c
index ecb5eb079408ef..cee8ccb84cb8c6 100644
--- a/drivers/tee/optee/ffa_abi.c
+++ b/drivers/tee/optee/ffa_abi.c
@@ -11,7 +11,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/string.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/types.h>
#include "optee_private.h"
#include "optee_ffa.h"
diff --git a/drivers/tee/optee/notif.c b/drivers/tee/optee/notif.c
index 05212842b0a50f..0d7878e770cda3 100644
--- a/drivers/tee/optee/notif.c
+++ b/drivers/tee/optee/notif.c
@@ -9,7 +9,7 @@
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include "optee_private.h"
struct notif_entry {
diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h
index 7a5243c78b55ee..a0698ac18993ae 100644
--- a/drivers/tee/optee/optee_private.h
+++ b/drivers/tee/optee/optee_private.h
@@ -9,7 +9,7 @@
#include <linux/arm-smccc.h>
#include <linux/rhashtable.h>
#include <linux/semaphore.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/types.h>
#include "optee_msg.h"
diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c
index e69bc6380683af..f086812f117931 100644
--- a/drivers/tee/optee/rpc.c
+++ b/drivers/tee/optee/rpc.c
@@ -8,7 +8,7 @@
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/slab.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include "optee_private.h"
#include "optee_rpc_cmd.h"
diff --git a/drivers/tee/optee/smc_abi.c b/drivers/tee/optee/smc_abi.c
index a37f87087e5c89..9c296b887dc11a 100644
--- a/drivers/tee/optee/smc_abi.c
+++ b/drivers/tee/optee/smc_abi.c
@@ -23,7 +23,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/string.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/types.h>
#include <linux/workqueue.h>
#include "optee_private.h"
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c
index e59c20d74b36ae..82ad095d2b1c4c 100644
--- a/drivers/tee/tee_core.c
+++ b/drivers/tee/tee_core.c
@@ -11,7 +11,7 @@
#include <linux/idr.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/uaccess.h>
#include <crypto/hash.h>
#include <crypto/sha1.h>
diff --git a/drivers/tee/tee_private.h b/drivers/tee/tee_private.h
index 754e11dcb24089..9bc50605227c4c 100644
--- a/drivers/tee/tee_private.h
+++ b/drivers/tee/tee_private.h
@@ -12,41 +12,6 @@
#include <linux/mutex.h>
#include <linux/types.h>
-#define TEE_DEVICE_FLAG_REGISTERED 0x1
-#define TEE_MAX_DEV_NAME_LEN 32
-
-/**
- * struct tee_device - TEE Device representation
- * @name: name of device
- * @desc: description of device
- * @id: unique id of device
- * @flags: represented by TEE_DEVICE_FLAG_REGISTERED above
- * @dev: embedded basic device structure
- * @cdev: embedded cdev
- * @num_users: number of active users of this device
- * @c_no_user: completion used when unregistering the device
- * @mutex: mutex protecting @num_users and @idr
- * @idr: register of user space shared memory objects allocated or
- * registered on this device
- * @pool: shared memory pool
- */
-struct tee_device {
- char name[TEE_MAX_DEV_NAME_LEN];
- const struct tee_desc *desc;
- int id;
- unsigned int flags;
-
- struct device dev;
- struct cdev cdev;
-
- size_t num_users;
- struct completion c_no_users;
- struct mutex mutex; /* protects num_users and idr */
-
- struct idr idr;
- struct tee_shm_pool *pool;
-};
-
int tee_shm_get_fd(struct tee_shm *shm);
bool tee_device_get(struct tee_device *teedev);
diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c
index 731d9028b67f2b..96a45c81742784 100644
--- a/drivers/tee/tee_shm.c
+++ b/drivers/tee/tee_shm.c
@@ -8,7 +8,7 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/slab.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include <linux/uaccess.h>
#include <linux/uio.h>
#include <linux/highmem.h>
diff --git a/drivers/tee/tee_shm_pool.c b/drivers/tee/tee_shm_pool.c
index 058bfbac657a91..80004b55628d77 100644
--- a/drivers/tee/tee_shm_pool.c
+++ b/drivers/tee/tee_shm_pool.c
@@ -6,7 +6,7 @@
#include <linux/dma-buf.h>
#include <linux/genalloc.h>
#include <linux/slab.h>
-#include <linux/tee_drv.h>
+#include <linux/tee_core.h>
#include "tee_private.h"
static int pool_op_gen_alloc(struct tee_shm_pool *pool, struct tee_shm *shm,
generated by cgit 1.2.3-korg (git 2.43.0) at 2025-12-07 09:37:51 +0000