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drivers: qcom: dcvs: Add zone and get api

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To allow users to config cache portion more flexibly, zone parameter
is added. Also, get api is added to help confirm the cache portion
setting.

Change-Id: If2aec4a50a23dc7e5b56a249c258846b8c993f93
Signed-off-by: Huang Yiwei <quic_hyiwei@quicinc.com>
This commit is contained in:
Huang Yiwei 2023-06-15 14:39:28 +08:00
parent 7371cc0cd7
commit 66e3bf98d5
2 changed files with 28 additions and 8 deletions
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24
drivers/soc/qcom/dcvs/mpam.c
View file

@ -25,32 +25,46 @@ enum mpam_profiling_param_ids {
struct mpam_cache_portion {
uint32_t part_id;
uint32_t cache_portion;
uint64_t config_ctrl;
};
static struct mpam_cache_portion cur_cache_portion;
static struct scmi_protocol_handle *ph;
static const struct qcom_scmi_vendor_ops *ops;
static struct scmi_device *sdev;
int qcom_mpam_set_cache_portion(u32 part_id, u32 cache_portion)
int qcom_mpam_set_cache_portion(u32 part_id, u32 cache_portion, u64 config_ctrl)
{
int ret = -EPERM;
struct mpam_cache_portion msg;
msg.part_id = part_id;
msg.cache_portion = cache_portion;
msg.config_ctrl = config_ctrl;
if (ops)
ret = ops->set_param(ph, &msg, MPAM_ALGO_STR, PARAM_CACHE_PORTION,
sizeof(msg));
if (!ret)
memcpy(&cur_cache_portion, &msg, sizeof(msg));
return ret;
}
EXPORT_SYMBOL(qcom_mpam_set_cache_portion);
int qcom_mpam_get_cache_portion(u32 part_id, u64 *config_ctrl)
{
int ret = -EPERM;
u64 buf = part_id;
if (ops)
ret = ops->get_param(ph, &buf, MPAM_ALGO_STR, PARAM_CACHE_PORTION,
sizeof(part_id), sizeof(buf));
if (!ret)
*config_ctrl = buf;
return ret;
}
EXPORT_SYMBOL(qcom_mpam_get_cache_portion);
static int mpam_dev_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;

12
include/soc/qcom/mpam.h
View file

@ -7,11 +7,17 @@
#define _QCOM_MPAM_H
#if IS_ENABLED(CONFIG_QTI_MPAM)
int qcom_mpam_set_cache_portion(u32 part_id, u32 cache_portion);
int qcom_mpam_set_cache_portion(u32 part_id, u32 cache_portion, u64 config_ctrl);
int qcom_mpam_get_cache_portion(u32 part_id, u64 *config_ctrl);
#else
static inline int qcom_mpam_set_cache_portion(u32 part_id, u32 cache_portion)
static inline int qcom_mpam_set_cache_portion(u32 part_id, u32 cache_portion, u64 config_ctrl)
{
return 0;
return -ENODEV;
}
static inline int qcom_mpam_get_cache_portion(u32 part_id, u64 *config_ctrl)
{
return -ENODEV;
}
#endif