summaryrefslogtreecommitdiff
path: root/drivers/tee
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2023-06-07 13:58:22 +0300
committerArnd Bergmann <arnd@arndb.de>2023-06-07 13:58:22 +0300
commitabd649fdf91adf44c5bb46891b6d8741a14f90a5 (patch)
tree48a2beb7ca3f63884963a7d715ed4ed791624a6a /drivers/tee
parent08425abbab9987ec48c78f418e61130b5dc9d22d (diff)
parent436eeae0411acdfc54521ddea80ee76d4ae8a7ea (diff)
downloadlinux-abd649fdf91adf44c5bb46891b6d8741a14f90a5.tar.xz
Merge tag 'amdtee-fix-for-v6.5' of https://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes
AMDTEE add return origin to load TA command * tag 'amdtee-fix-for-v6.5' of https://git.linaro.org/people/jens.wiklander/linux-tee: tee: amdtee: Add return_origin to 'struct tee_cmd_load_ta' Link: https://lore.kernel.org/r/20230606075843.GA2792442@rayden Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/tee')
-rw-r--r--drivers/tee/amdtee/amdtee_if.h10
-rw-r--r--drivers/tee/amdtee/call.c30
2 files changed, 23 insertions, 17 deletions
diff --git a/drivers/tee/amdtee/amdtee_if.h b/drivers/tee/amdtee/amdtee_if.h
index ff48c3e47375..e2014e21530a 100644
--- a/drivers/tee/amdtee/amdtee_if.h
+++ b/drivers/tee/amdtee/amdtee_if.h
@@ -118,16 +118,18 @@ struct tee_cmd_unmap_shared_mem {
/**
* struct tee_cmd_load_ta - load Trusted Application (TA) binary into TEE
- * @low_addr: [in] bits [31:0] of the physical address of the TA binary
- * @hi_addr: [in] bits [63:32] of the physical address of the TA binary
- * @size: [in] size of TA binary in bytes
- * @ta_handle: [out] return handle of the loaded TA
+ * @low_addr: [in] bits [31:0] of the physical address of the TA binary
+ * @hi_addr: [in] bits [63:32] of the physical address of the TA binary
+ * @size: [in] size of TA binary in bytes
+ * @ta_handle: [out] return handle of the loaded TA
+ * @return_origin: [out] origin of return code after TEE processing
*/
struct tee_cmd_load_ta {
u32 low_addr;
u32 hi_addr;
u32 size;
u32 ta_handle;
+ u32 return_origin;
};
/**
diff --git a/drivers/tee/amdtee/call.c b/drivers/tee/amdtee/call.c
index e8cd9aaa3467..e9b63dcb3194 100644
--- a/drivers/tee/amdtee/call.c
+++ b/drivers/tee/amdtee/call.c
@@ -423,19 +423,23 @@ int handle_load_ta(void *data, u32 size, struct tee_ioctl_open_session_arg *arg)
if (ret) {
arg->ret_origin = TEEC_ORIGIN_COMMS;
arg->ret = TEEC_ERROR_COMMUNICATION;
- } else if (arg->ret == TEEC_SUCCESS) {
- ret = get_ta_refcount(load_cmd.ta_handle);
- if (!ret) {
- arg->ret_origin = TEEC_ORIGIN_COMMS;
- arg->ret = TEEC_ERROR_OUT_OF_MEMORY;
-
- /* Unload the TA on error */
- unload_cmd.ta_handle = load_cmd.ta_handle;
- psp_tee_process_cmd(TEE_CMD_ID_UNLOAD_TA,
- (void *)&unload_cmd,
- sizeof(unload_cmd), &ret);
- } else {
- set_session_id(load_cmd.ta_handle, 0, &arg->session);
+ } else {
+ arg->ret_origin = load_cmd.return_origin;
+
+ if (arg->ret == TEEC_SUCCESS) {
+ ret = get_ta_refcount(load_cmd.ta_handle);
+ if (!ret) {
+ arg->ret_origin = TEEC_ORIGIN_COMMS;
+ arg->ret = TEEC_ERROR_OUT_OF_MEMORY;
+
+ /* Unload the TA on error */
+ unload_cmd.ta_handle = load_cmd.ta_handle;
+ psp_tee_process_cmd(TEE_CMD_ID_UNLOAD_TA,
+ (void *)&unload_cmd,
+ sizeof(unload_cmd), &ret);
+ } else {
+ set_session_id(load_cmd.ta_handle, 0, &arg->session);
+ }
}
}
mutex_unlock(&ta_refcount_mutex);