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firmware: qcom_scm: Rename peripheral as pas_id

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Peripheral and pas_id refers to unique id for a subsystem and used only
when peripheral authentication service from secure world is utilized.

Lets rename peripheral to pas_id to reflect closer to its meaning.

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260105-kvmrprocv10-v10-3-022e96815380@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Mukesh Ojha 2026-01-05 18:52:51 +05:30 • committed by Bjorn Andersson
parent 25906ae9b2
commit 69054348cc
2 changed files with 20 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

30
drivers/firmware/qcom/qcom_scm.c
View file

@ -562,7 +562,7 @@ static void qcom_scm_set_download_mode(u32 dload_mode)
* qcom_scm_pas_init_image() - Initialize peripheral authentication service
* state machine for a given peripheral, using the
* metadata
* @peripheral: peripheral id
* @pas_id: peripheral authentication service id
* @metadata: pointer to memory containing ELF header, program header table
* and optional blob of data used for authenticating the metadata
* and the rest of the firmware
@ -575,7 +575,7 @@ static void qcom_scm_set_download_mode(u32 dload_mode)
* track the metadata allocation, this needs to be released by invoking
* qcom_scm_pas_metadata_release() by the caller.
*/
int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, size_t size,
int qcom_scm_pas_init_image(u32 pas_id, const void *metadata, size_t size,
struct qcom_scm_pas_metadata *ctx)
{
dma_addr_t mdata_phys;
@ -585,7 +585,7 @@ int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, size_t size,
.svc = QCOM_SCM_SVC_PIL,
.cmd = QCOM_SCM_PIL_PAS_INIT_IMAGE,
.arginfo = QCOM_SCM_ARGS(2, QCOM_SCM_VAL, QCOM_SCM_RW),
.args[0] = peripheral,
.args[0] = pas_id,
.owner = ARM_SMCCC_OWNER_SIP,
};
struct qcom_scm_res res;
@ -656,20 +656,20 @@ EXPORT_SYMBOL_GPL(qcom_scm_pas_metadata_release);
/**
* qcom_scm_pas_mem_setup() - Prepare the memory related to a given peripheral
* for firmware loading
* @peripheral: peripheral id
* @pas_id: peripheral authentication service id
* @addr: start address of memory area to prepare
* @size: size of the memory area to prepare
*
* Returns 0 on success.
*/
int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, phys_addr_t size)
int qcom_scm_pas_mem_setup(u32 pas_id, phys_addr_t addr, phys_addr_t size)
{
int ret;
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_PIL,
.cmd = QCOM_SCM_PIL_PAS_MEM_SETUP,
.arginfo = QCOM_SCM_ARGS(3),
.args[0] = peripheral,
.args[0] = pas_id,
.args[1] = addr,
.args[2] = size,
.owner = ARM_SMCCC_OWNER_SIP,
@ -697,18 +697,18 @@ EXPORT_SYMBOL_GPL(qcom_scm_pas_mem_setup);
/**
* qcom_scm_pas_auth_and_reset() - Authenticate the given peripheral firmware
* and reset the remote processor
* @peripheral: peripheral id
* @pas_id: peripheral authentication service id
*
* Return 0 on success.
*/
int qcom_scm_pas_auth_and_reset(u32 peripheral)
int qcom_scm_pas_auth_and_reset(u32 pas_id)
{
int ret;
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_PIL,
.cmd = QCOM_SCM_PIL_PAS_AUTH_AND_RESET,
.arginfo = QCOM_SCM_ARGS(1),
.args[0] = peripheral,
.args[0] = pas_id,
.owner = ARM_SMCCC_OWNER_SIP,
};
struct qcom_scm_res res;
@ -733,18 +733,18 @@ EXPORT_SYMBOL_GPL(qcom_scm_pas_auth_and_reset);
/**
* qcom_scm_pas_shutdown() - Shut down the remote processor
* @peripheral: peripheral id
* @pas_id: peripheral authentication service id
*
* Returns 0 on success.
*/
int qcom_scm_pas_shutdown(u32 peripheral)
int qcom_scm_pas_shutdown(u32 pas_id)
{
int ret;
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_PIL,
.cmd = QCOM_SCM_PIL_PAS_SHUTDOWN,
.arginfo = QCOM_SCM_ARGS(1),
.args[0] = peripheral,
.args[0] = pas_id,
.owner = ARM_SMCCC_OWNER_SIP,
};
struct qcom_scm_res res;
@ -770,18 +770,18 @@ EXPORT_SYMBOL_GPL(qcom_scm_pas_shutdown);
/**
* qcom_scm_pas_supported() - Check if the peripheral authentication service is
* available for the given peripherial
* @peripheral: peripheral id
* @pas_id: peripheral authentication service id
*
* Returns true if PAS is supported for this peripheral, otherwise false.
*/
bool qcom_scm_pas_supported(u32 peripheral)
bool qcom_scm_pas_supported(u32 pas_id)
{
int ret;
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_PIL,
.cmd = QCOM_SCM_PIL_PAS_IS_SUPPORTED,
.arginfo = QCOM_SCM_ARGS(1),
.args[0] = peripheral,
.args[0] = pas_id,
.owner = ARM_SMCCC_OWNER_SIP,
};
struct qcom_scm_res res;

10
include/linux/firmware/qcom/qcom_scm.h
View file

@ -72,13 +72,13 @@ struct qcom_scm_pas_metadata {
ssize_t size;
};
int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, size_t size,
int qcom_scm_pas_init_image(u32 pas_id, const void *metadata, size_t size,
struct qcom_scm_pas_metadata *ctx);
void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx);
int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, phys_addr_t size);
int qcom_scm_pas_auth_and_reset(u32 peripheral);
int qcom_scm_pas_shutdown(u32 peripheral);
bool qcom_scm_pas_supported(u32 peripheral);
int qcom_scm_pas_mem_setup(u32 pas_id, phys_addr_t addr, phys_addr_t size);
int qcom_scm_pas_auth_and_reset(u32 pas_id);
int qcom_scm_pas_shutdown(u32 pas_id);
bool qcom_scm_pas_supported(u32 pas_id);
int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val);
int qcom_scm_io_writel(phys_addr_t addr, unsigned int val);