Messages in this thread Patch in this message | | | From | Manikanta Mylavarapu <> | Subject | [PATCH v5 06/11] firmware: qcom_scm: ipq5332: add support to pass metadata size | Date | Wed, 2 Aug 2023 19:36:01 +0530 |
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IPQ5332 security software running under trustzone requires metadata size. With V2 cmd, pass metadata size as well.
Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com> --- Changes in v5: - Rebased on linux-next
Changes in v4: - Rebased on linux-next
drivers/firmware/qcom_scm.c | 8 ++++++++ drivers/firmware/qcom_scm.h | 1 + 2 files changed, 9 insertions(+)
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 06fe8aca870d..5e1ff137ab52 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -495,6 +495,14 @@ int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, size_t size, desc.args[1] = mdata_phys; + if (__qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_PIL, + QCOM_SCM_PAS_INIT_IMAGE_V2)) { + desc.cmd = QCOM_SCM_PAS_INIT_IMAGE_V2; + desc.arginfo = + QCOM_SCM_ARGS(3, QCOM_SCM_VAL, QCOM_SCM_RW, QCOM_SCM_VAL); + desc.args[2] = size; + } + ret = qcom_scm_call(__scm->dev, &desc, &res); qcom_scm_bw_disable(); diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom_scm.h index e6e512bd57d1..6ab5e7c77e8d 100644 --- a/drivers/firmware/qcom_scm.h +++ b/drivers/firmware/qcom_scm.h @@ -91,6 +91,7 @@ extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc, #define QCOM_SCM_SVC_PIL 0x02 #define QCOM_SCM_PIL_PAS_INIT_IMAGE 0x01 +#define QCOM_SCM_PAS_INIT_IMAGE_V2 0x1a #define QCOM_SCM_PIL_PAS_MEM_SETUP 0x02 #define QCOM_SCM_PIL_PAS_AUTH_AND_RESET 0x05 #define QCOM_SCM_PIL_PAS_SHUTDOWN 0x06 -- 2.34.1
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