Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alex Elder | 665 | 99.55% | 4 | 80.00% |
ye xingchen | 3 | 0.45% | 1 | 20.00% |
Total | 668 | 5 |
// SPDX-License-Identifier: GPL-2.0 /* Copyright (C) 2021-2022 Linaro Ltd. */ #include <linux/kernel.h> #include <linux/types.h> #include <linux/device.h> #include <linux/sysfs.h> #include "ipa.h" #include "ipa_version.h" #include "ipa_sysfs.h" static const char *ipa_version_string(struct ipa *ipa) { switch (ipa->version) { case IPA_VERSION_3_0: return "3.0"; case IPA_VERSION_3_1: return "3.1"; case IPA_VERSION_3_5: return "3.5"; case IPA_VERSION_3_5_1: return "3.5.1"; case IPA_VERSION_4_0: return "4.0"; case IPA_VERSION_4_1: return "4.1"; case IPA_VERSION_4_2: return "4.2"; case IPA_VERSION_4_5: return "4.5"; case IPA_VERSION_4_7: return "4.7"; case IPA_VERSION_4_9: return "4.9"; case IPA_VERSION_4_11: return "4.11"; default: return "0.0"; /* Won't happen (checked at probe time) */ } } static ssize_t version_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ipa *ipa = dev_get_drvdata(dev); return sysfs_emit(buf, "%s\n", ipa_version_string(ipa)); } static DEVICE_ATTR_RO(version); static struct attribute *ipa_attrs[] = { &dev_attr_version.attr, NULL }; const struct attribute_group ipa_attribute_group = { .attrs = ipa_attrs, }; static const char *ipa_offload_string(struct ipa *ipa) { return ipa->version < IPA_VERSION_4_5 ? "MAPv4" : "MAPv5"; } static ssize_t rx_offload_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ipa *ipa = dev_get_drvdata(dev); return sysfs_emit(buf, "%s\n", ipa_offload_string(ipa)); } static DEVICE_ATTR_RO(rx_offload); static ssize_t tx_offload_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ipa *ipa = dev_get_drvdata(dev); return sysfs_emit(buf, "%s\n", ipa_offload_string(ipa)); } static DEVICE_ATTR_RO(tx_offload); static struct attribute *ipa_feature_attrs[] = { &dev_attr_rx_offload.attr, &dev_attr_tx_offload.attr, NULL }; const struct attribute_group ipa_feature_attribute_group = { .name = "feature", .attrs = ipa_feature_attrs, }; static umode_t ipa_endpoint_id_is_visible(struct kobject *kobj, struct attribute *attr, int n) { struct ipa *ipa = dev_get_drvdata(kobj_to_dev(kobj)); struct device_attribute *dev_attr; struct dev_ext_attribute *ea; bool visible; /* An endpoint id attribute is only visible if it's defined */ dev_attr = container_of(attr, struct device_attribute, attr); ea = container_of(dev_attr, struct dev_ext_attribute, attr); visible = !!ipa->name_map[(enum ipa_endpoint_name)(uintptr_t)ea->var]; return visible ? attr->mode : 0; } static ssize_t endpoint_id_attr_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ipa *ipa = dev_get_drvdata(dev); struct ipa_endpoint *endpoint; struct dev_ext_attribute *ea; ea = container_of(attr, struct dev_ext_attribute, attr); endpoint = ipa->name_map[(enum ipa_endpoint_name)(uintptr_t)ea->var]; return sysfs_emit(buf, "%u\n", endpoint->endpoint_id); } #define ENDPOINT_ID_ATTR(_n, _endpoint_name) \ static struct dev_ext_attribute dev_attr_endpoint_id_ ## _n = { \ .attr = __ATTR(_n, 0444, endpoint_id_attr_show, NULL), \ .var = (void *)(_endpoint_name), \ } ENDPOINT_ID_ATTR(modem_rx, IPA_ENDPOINT_AP_MODEM_RX); ENDPOINT_ID_ATTR(modem_tx, IPA_ENDPOINT_AP_MODEM_TX); static struct attribute *ipa_endpoint_id_attrs[] = { &dev_attr_endpoint_id_modem_rx.attr.attr, &dev_attr_endpoint_id_modem_tx.attr.attr, NULL }; const struct attribute_group ipa_endpoint_id_attribute_group = { .name = "endpoint_id", .is_visible = ipa_endpoint_id_is_visible, .attrs = ipa_endpoint_id_attrs, }; /* Reuse endpoint ID attributes for the legacy modem endpoint IDs */ #define MODEM_ATTR(_n, _endpoint_name) \ static struct dev_ext_attribute dev_attr_modem_ ## _n = { \ .attr = __ATTR(_n, 0444, endpoint_id_attr_show, NULL), \ .var = (void *)(_endpoint_name), \ } MODEM_ATTR(rx_endpoint_id, IPA_ENDPOINT_AP_MODEM_RX); MODEM_ATTR(tx_endpoint_id, IPA_ENDPOINT_AP_MODEM_TX); static struct attribute *ipa_modem_attrs[] = { &dev_attr_modem_rx_endpoint_id.attr.attr, &dev_attr_modem_tx_endpoint_id.attr.attr, NULL, }; const struct attribute_group ipa_modem_attribute_group = { .name = "modem", .attrs = ipa_modem_attrs, };
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