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| /optee_os/core/arch/arm/include/ |
| H A D | optee_ffa.h | 3c2e09b3ea5528a679a4f0532d844c4352937629 Thu Oct 31 12:35:42 UTC 2024 Jens Wiklander <jens.wiklander@linaro.org> core: ABI description for dynamic protected memory
Extend the SMC and FF-A ABI to handle dynamic protected memory lending.
The capability bits OPTEE_SMC_SEC_CAP_DYNAMIC_PROTMEM and
OPTEE_FFA_SEC_CAP_PROTMEM respectively tells its availability.
OPTEE_MSG_CMD_GET_PROTMEM_CONFIG tells the minimal size and required
alignment of protected memory to lend.
For the SMC ABI, OPTEE_MSG_CMD_LEND_PROTMEM lends protected memory
and OPTEE_MSG_CMD_RECLAIM_PROTMEM returns the memory to normal world use.
For the FF-A ABI, FFA_LEND framework request followed by
OPTEE_MSG_CMD_ASSIGN_PROTMEM lends protected memory and
OPTEE_FFA_RELEASE_PROTMEM followed by the FFA_RECLAIM framework
request returns the memory to normal world use.
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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| /optee_os/core/include/ |
| H A D | optee_msg.h | 3c2e09b3ea5528a679a4f0532d844c4352937629 Thu Oct 31 12:35:42 UTC 2024 Jens Wiklander <jens.wiklander@linaro.org> core: ABI description for dynamic protected memory
Extend the SMC and FF-A ABI to handle dynamic protected memory lending.
The capability bits OPTEE_SMC_SEC_CAP_DYNAMIC_PROTMEM and
OPTEE_FFA_SEC_CAP_PROTMEM respectively tells its availability.
OPTEE_MSG_CMD_GET_PROTMEM_CONFIG tells the minimal size and required
alignment of protected memory to lend.
For the SMC ABI, OPTEE_MSG_CMD_LEND_PROTMEM lends protected memory
and OPTEE_MSG_CMD_RECLAIM_PROTMEM returns the memory to normal world use.
For the FF-A ABI, FFA_LEND framework request followed by
OPTEE_MSG_CMD_ASSIGN_PROTMEM lends protected memory and
OPTEE_FFA_RELEASE_PROTMEM followed by the FFA_RECLAIM framework
request returns the memory to normal world use.
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
|
| /optee_os/core/arch/arm/include/sm/ |
| H A D | optee_smc.h | 3c2e09b3ea5528a679a4f0532d844c4352937629 Thu Oct 31 12:35:42 UTC 2024 Jens Wiklander <jens.wiklander@linaro.org> core: ABI description for dynamic protected memory
Extend the SMC and FF-A ABI to handle dynamic protected memory lending.
The capability bits OPTEE_SMC_SEC_CAP_DYNAMIC_PROTMEM and
OPTEE_FFA_SEC_CAP_PROTMEM respectively tells its availability.
OPTEE_MSG_CMD_GET_PROTMEM_CONFIG tells the minimal size and required
alignment of protected memory to lend.
For the SMC ABI, OPTEE_MSG_CMD_LEND_PROTMEM lends protected memory
and OPTEE_MSG_CMD_RECLAIM_PROTMEM returns the memory to normal world use.
For the FF-A ABI, FFA_LEND framework request followed by
OPTEE_MSG_CMD_ASSIGN_PROTMEM lends protected memory and
OPTEE_FFA_RELEASE_PROTMEM followed by the FFA_RECLAIM framework
request returns the memory to normal world use.
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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