From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/firmware/arm_scmi/power.c | 186 ++++++++++++++++++++++++++++++++++++----------
1 files changed, 145 insertions(+), 41 deletions(-)
diff --git a/kernel/drivers/firmware/arm_scmi/power.c b/kernel/drivers/firmware/arm_scmi/power.c
index 82b9e21..70d366e 100644
--- a/kernel/drivers/firmware/arm_scmi/power.c
+++ b/kernel/drivers/firmware/arm_scmi/power.c
@@ -2,10 +2,16 @@
/*
* System Control and Management Interface (SCMI) Power Protocol
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
*/
+#define pr_fmt(fmt) "SCMI Notifications POWER - " fmt
+
+#include <linux/module.h>
+#include <linux/scmi_protocol.h>
+
#include "common.h"
+#include "notify.h"
enum scmi_power_protocol_cmd {
POWER_DOMAIN_ATTRIBUTES = 0x3,
@@ -42,6 +48,12 @@
__le32 notify_enable;
};
+struct scmi_power_state_notify_payld {
+ __le32 agent_id;
+ __le32 domain_id;
+ __le32 power_state;
+};
+
struct power_dom_info {
bool state_set_sync;
bool state_set_async;
@@ -57,21 +69,21 @@
struct power_dom_info *dom_info;
};
-static int scmi_power_attributes_get(const struct scmi_handle *handle,
+static int scmi_power_attributes_get(const struct scmi_protocol_handle *ph,
struct scmi_power_info *pi)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_power_attributes *attr;
- ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
- SCMI_PROTOCOL_POWER, 0, sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+ 0, sizeof(*attr), &t);
if (ret)
return ret;
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
pi->num_domains = le16_to_cpu(attr->num_domains);
pi->stats_addr = le32_to_cpu(attr->stats_addr_low) |
@@ -79,28 +91,27 @@
pi->stats_size = le32_to_cpu(attr->stats_size);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
static int
-scmi_power_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
- struct power_dom_info *dom_info)
+scmi_power_domain_attributes_get(const struct scmi_protocol_handle *ph,
+ u32 domain, struct power_dom_info *dom_info)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_power_domain_attributes *attr;
- ret = scmi_xfer_get_init(handle, POWER_DOMAIN_ATTRIBUTES,
- SCMI_PROTOCOL_POWER, sizeof(domain),
- sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, POWER_DOMAIN_ATTRIBUTES,
+ sizeof(domain), sizeof(*attr), &t);
if (ret)
return ret;
put_unaligned_le32(domain, t->tx.buf);
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
u32 flags = le32_to_cpu(attr->flags);
@@ -110,19 +121,18 @@
strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int
-scmi_power_state_set(const struct scmi_handle *handle, u32 domain, u32 state)
+static int scmi_power_state_set(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 state)
{
int ret;
struct scmi_xfer *t;
struct scmi_power_set_state *st;
- ret = scmi_xfer_get_init(handle, POWER_STATE_SET, SCMI_PROTOCOL_POWER,
- sizeof(*st), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, POWER_STATE_SET, sizeof(*st), 0, &t);
if (ret)
return ret;
@@ -131,73 +141,161 @@
st->domain = cpu_to_le32(domain);
st->state = cpu_to_le32(state);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int
-scmi_power_state_get(const struct scmi_handle *handle, u32 domain, u32 *state)
+static int scmi_power_state_get(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 *state)
{
int ret;
struct scmi_xfer *t;
- ret = scmi_xfer_get_init(handle, POWER_STATE_GET, SCMI_PROTOCOL_POWER,
- sizeof(u32), sizeof(u32), &t);
+ ret = ph->xops->xfer_get_init(ph, POWER_STATE_GET, sizeof(u32), sizeof(u32), &t);
if (ret)
return ret;
put_unaligned_le32(domain, t->tx.buf);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret)
*state = get_unaligned_le32(t->rx.buf);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_power_num_domains_get(const struct scmi_handle *handle)
+static int scmi_power_num_domains_get(const struct scmi_protocol_handle *ph)
{
- struct scmi_power_info *pi = handle->power_priv;
+ struct scmi_power_info *pi = ph->get_priv(ph);
return pi->num_domains;
}
-static char *scmi_power_name_get(const struct scmi_handle *handle, u32 domain)
+static char *scmi_power_name_get(const struct scmi_protocol_handle *ph,
+ u32 domain)
{
- struct scmi_power_info *pi = handle->power_priv;
+ struct scmi_power_info *pi = ph->get_priv(ph);
struct power_dom_info *dom = pi->dom_info + domain;
return dom->name;
}
-static struct scmi_power_ops power_ops = {
+static const struct scmi_power_proto_ops power_proto_ops = {
.num_domains_get = scmi_power_num_domains_get,
.name_get = scmi_power_name_get,
.state_set = scmi_power_state_set,
.state_get = scmi_power_state_get,
};
-static int scmi_power_protocol_init(struct scmi_handle *handle)
+static int scmi_power_request_notify(const struct scmi_protocol_handle *ph,
+ u32 domain, bool enable)
+{
+ int ret;
+ struct scmi_xfer *t;
+ struct scmi_power_state_notify *notify;
+
+ ret = ph->xops->xfer_get_init(ph, POWER_STATE_NOTIFY,
+ sizeof(*notify), 0, &t);
+ if (ret)
+ return ret;
+
+ notify = t->tx.buf;
+ notify->domain = cpu_to_le32(domain);
+ notify->notify_enable = enable ? cpu_to_le32(BIT(0)) : 0;
+
+ ret = ph->xops->do_xfer(ph, t);
+
+ ph->xops->xfer_put(ph, t);
+ return ret;
+}
+
+static int scmi_power_set_notify_enabled(const struct scmi_protocol_handle *ph,
+ u8 evt_id, u32 src_id, bool enable)
+{
+ int ret;
+
+ ret = scmi_power_request_notify(ph, src_id, enable);
+ if (ret)
+ pr_debug("FAIL_ENABLE - evt[%X] dom[%d] - ret:%d\n",
+ evt_id, src_id, ret);
+
+ return ret;
+}
+
+static void *
+scmi_power_fill_custom_report(const struct scmi_protocol_handle *ph,
+ u8 evt_id, ktime_t timestamp,
+ const void *payld, size_t payld_sz,
+ void *report, u32 *src_id)
+{
+ const struct scmi_power_state_notify_payld *p = payld;
+ struct scmi_power_state_changed_report *r = report;
+
+ if (evt_id != SCMI_EVENT_POWER_STATE_CHANGED || sizeof(*p) != payld_sz)
+ return NULL;
+
+ r->timestamp = timestamp;
+ r->agent_id = le32_to_cpu(p->agent_id);
+ r->domain_id = le32_to_cpu(p->domain_id);
+ r->power_state = le32_to_cpu(p->power_state);
+ *src_id = r->domain_id;
+
+ return r;
+}
+
+static int scmi_power_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+ struct scmi_power_info *pinfo = ph->get_priv(ph);
+
+ if (!pinfo)
+ return -EINVAL;
+
+ return pinfo->num_domains;
+}
+
+static const struct scmi_event power_events[] = {
+ {
+ .id = SCMI_EVENT_POWER_STATE_CHANGED,
+ .max_payld_sz = sizeof(struct scmi_power_state_notify_payld),
+ .max_report_sz =
+ sizeof(struct scmi_power_state_changed_report),
+ },
+};
+
+static const struct scmi_event_ops power_event_ops = {
+ .get_num_sources = scmi_power_get_num_sources,
+ .set_notify_enabled = scmi_power_set_notify_enabled,
+ .fill_custom_report = scmi_power_fill_custom_report,
+};
+
+static const struct scmi_protocol_events power_protocol_events = {
+ .queue_sz = SCMI_PROTO_QUEUE_SZ,
+ .ops = &power_event_ops,
+ .evts = power_events,
+ .num_events = ARRAY_SIZE(power_events),
+};
+
+static int scmi_power_protocol_init(const struct scmi_protocol_handle *ph)
{
int domain;
u32 version;
struct scmi_power_info *pinfo;
- scmi_version_get(handle, SCMI_PROTOCOL_POWER, &version);
+ ph->xops->version_get(ph, &version);
- dev_dbg(handle->dev, "Power Version %d.%d\n",
+ dev_dbg(ph->dev, "Power Version %d.%d\n",
PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
- pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+ pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
if (!pinfo)
return -ENOMEM;
- scmi_power_attributes_get(handle, pinfo);
+ scmi_power_attributes_get(ph, pinfo);
- pinfo->dom_info = devm_kcalloc(handle->dev, pinfo->num_domains,
+ pinfo->dom_info = devm_kcalloc(ph->dev, pinfo->num_domains,
sizeof(*pinfo->dom_info), GFP_KERNEL);
if (!pinfo->dom_info)
return -ENOMEM;
@@ -205,14 +303,20 @@
for (domain = 0; domain < pinfo->num_domains; domain++) {
struct power_dom_info *dom = pinfo->dom_info + domain;
- scmi_power_domain_attributes_get(handle, domain, dom);
+ scmi_power_domain_attributes_get(ph, domain, dom);
}
pinfo->version = version;
- handle->power_ops = &power_ops;
- handle->power_priv = pinfo;
- return 0;
+ return ph->set_priv(ph, pinfo);
}
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_POWER, power)
+static const struct scmi_protocol scmi_power = {
+ .id = SCMI_PROTOCOL_POWER,
+ .owner = THIS_MODULE,
+ .init_instance = &scmi_power_protocol_init,
+ .ops = &power_proto_ops,
+ .events = &power_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(power, scmi_power)
--
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