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AMDTEE add return origin to load TA command 

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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>
This commit is contained in:
Arnd Bergmann 2023-06-07 12:58:22 +02:00
parent 08425abbab 436eeae041
commit abd649fdf9
2 changed files with 22 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/tee/amdtee/amdtee_if.h
View File

@ -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;
};
/**

28
drivers/tee/amdtee/call.c
View File

@ -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;
} else {
arg->ret_origin = load_cmd.return_origin;
/* 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);
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);