diff options
| -rw-r--r-- | Documentation/netlink/specs/em.yaml | 113 | ||||
| -rw-r--r-- | MAINTAINERS | 3 | ||||
| -rw-r--r-- | include/uapi/linux/energy_model.h | 62 | ||||
| -rw-r--r-- | kernel/power/em_netlink_autogen.c | 48 | ||||
| -rw-r--r-- | kernel/power/em_netlink_autogen.h | 23 |
5 files changed, 249 insertions, 0 deletions
diff --git a/Documentation/netlink/specs/em.yaml b/Documentation/netlink/specs/em.yaml new file mode 100644 index 000000000000..9905ca482325 --- /dev/null +++ b/Documentation/netlink/specs/em.yaml @@ -0,0 +1,113 @@ +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) + +name: em + +doc: | + Energy model netlink interface to notify its changes. + +protocol: genetlink + +uapi-header: linux/energy_model.h + +attribute-sets: + - + name: pds + attributes: + - + name: pd + type: nest + nested-attributes: pd + multi-attr: true + - + name: pd + attributes: + - + name: pad + type: pad + - + name: pd-id + type: u32 + - + name: flags + type: u64 + - + name: cpus + type: string + - + name: pd-table + attributes: + - + name: pd-id + type: u32 + - + name: ps + type: nest + nested-attributes: ps + multi-attr: true + - + name: ps + attributes: + - + name: pad + type: pad + - + name: performance + type: u64 + - + name: frequency + type: u64 + - + name: power + type: u64 + - + name: cost + type: u64 + - + name: flags + type: u64 + +operations: + list: + - + name: get-pds + attribute-set: pds + doc: Get the list of information for all performance domains. + do: + reply: + attributes: + - pd + - + name: get-pd-table + attribute-set: pd-table + doc: Get the energy model table of a performance domain. + do: + request: + attributes: + - pd-id + reply: + attributes: + - pd-id + - ps + - + name: pd-created + doc: A performance domain is created. + notify: get-pd-table + mcgrp: event + - + name: pd-updated + doc: A performance domain is updated. + notify: get-pd-table + mcgrp: event + - + name: pd-deleted + doc: A performance domain is deleted. + attribute-set: pd-table + event: + attributes: + - pd-id + mcgrp: event + +mcast-groups: + list: + - + name: event diff --git a/MAINTAINERS b/MAINTAINERS index 545a4776795e..e6b3bab9dbeb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9181,6 +9181,9 @@ S: Maintained F: kernel/power/energy_model.c F: include/linux/energy_model.h F: Documentation/power/energy-model.rst +F: Documentation/netlink/specs/em.yaml +F: include/uapi/linux/energy_model.h +F: kernel/power/em_netlink_autogen.* EPAPR HYPERVISOR BYTE CHANNEL DEVICE DRIVER M: Laurentiu Tudor <laurentiu.tudor@nxp.com> diff --git a/include/uapi/linux/energy_model.h b/include/uapi/linux/energy_model.h new file mode 100644 index 000000000000..4ec4c0eabbbb --- /dev/null +++ b/include/uapi/linux/energy_model.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ +/* Do not edit directly, auto-generated from: */ +/* Documentation/netlink/specs/em.yaml */ +/* YNL-GEN uapi header */ + +#ifndef _UAPI_LINUX_ENERGY_MODEL_H +#define _UAPI_LINUX_ENERGY_MODEL_H + +#define EM_FAMILY_NAME "em" +#define EM_FAMILY_VERSION 1 + +enum { + EM_A_PDS_PD = 1, + + __EM_A_PDS_MAX, + EM_A_PDS_MAX = (__EM_A_PDS_MAX - 1) +}; + +enum { + EM_A_PD_PAD = 1, + EM_A_PD_PD_ID, + EM_A_PD_FLAGS, + EM_A_PD_CPUS, + + __EM_A_PD_MAX, + EM_A_PD_MAX = (__EM_A_PD_MAX - 1) +}; + +enum { + EM_A_PD_TABLE_PD_ID = 1, + EM_A_PD_TABLE_PS, + + __EM_A_PD_TABLE_MAX, + EM_A_PD_TABLE_MAX = (__EM_A_PD_TABLE_MAX - 1) +}; + +enum { + EM_A_PS_PAD = 1, + EM_A_PS_PERFORMANCE, + EM_A_PS_FREQUENCY, + EM_A_PS_POWER, + EM_A_PS_COST, + EM_A_PS_FLAGS, + + __EM_A_PS_MAX, + EM_A_PS_MAX = (__EM_A_PS_MAX - 1) +}; + +enum { + EM_CMD_GET_PDS = 1, + EM_CMD_GET_PD_TABLE, + EM_CMD_PD_CREATED, + EM_CMD_PD_UPDATED, + EM_CMD_PD_DELETED, + + __EM_CMD_MAX, + EM_CMD_MAX = (__EM_CMD_MAX - 1) +}; + +#define EM_MCGRP_EVENT "event" + +#endif /* _UAPI_LINUX_ENERGY_MODEL_H */ diff --git a/kernel/power/em_netlink_autogen.c b/kernel/power/em_netlink_autogen.c new file mode 100644 index 000000000000..a7a09ab1d1c2 --- /dev/null +++ b/kernel/power/em_netlink_autogen.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) +/* Do not edit directly, auto-generated from: */ +/* Documentation/netlink/specs/em.yaml */ +/* YNL-GEN kernel source */ + +#include <net/netlink.h> +#include <net/genetlink.h> + +#include "em_netlink_autogen.h" + +#include <uapi/linux/energy_model.h> + +/* EM_CMD_GET_PD_TABLE - do */ +static const struct nla_policy em_get_pd_table_nl_policy[EM_A_PD_TABLE_PD_ID + 1] = { + [EM_A_PD_TABLE_PD_ID] = { .type = NLA_U32, }, +}; + +/* Ops table for em */ +static const struct genl_split_ops em_nl_ops[] = { + { + .cmd = EM_CMD_GET_PDS, + .doit = em_nl_get_pds_doit, + .flags = GENL_CMD_CAP_DO, + }, + { + .cmd = EM_CMD_GET_PD_TABLE, + .doit = em_nl_get_pd_table_doit, + .policy = em_get_pd_table_nl_policy, + .maxattr = EM_A_PD_TABLE_PD_ID, + .flags = GENL_CMD_CAP_DO, + }, +}; + +static const struct genl_multicast_group em_nl_mcgrps[] = { + [EM_NLGRP_EVENT] = { "event", }, +}; + +struct genl_family em_nl_family __ro_after_init = { + .name = EM_FAMILY_NAME, + .version = EM_FAMILY_VERSION, + .netnsok = true, + .parallel_ops = true, + .module = THIS_MODULE, + .split_ops = em_nl_ops, + .n_split_ops = ARRAY_SIZE(em_nl_ops), + .mcgrps = em_nl_mcgrps, + .n_mcgrps = ARRAY_SIZE(em_nl_mcgrps), +}; diff --git a/kernel/power/em_netlink_autogen.h b/kernel/power/em_netlink_autogen.h new file mode 100644 index 000000000000..78ce609641f1 --- /dev/null +++ b/kernel/power/em_netlink_autogen.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ +/* Do not edit directly, auto-generated from: */ +/* Documentation/netlink/specs/em.yaml */ +/* YNL-GEN kernel header */ + +#ifndef _LINUX_EM_GEN_H +#define _LINUX_EM_GEN_H + +#include <net/netlink.h> +#include <net/genetlink.h> + +#include <uapi/linux/energy_model.h> + +int em_nl_get_pds_doit(struct sk_buff *skb, struct genl_info *info); +int em_nl_get_pd_table_doit(struct sk_buff *skb, struct genl_info *info); + +enum { + EM_NLGRP_EVENT, +}; + +extern struct genl_family em_nl_family; + +#endif /* _LINUX_EM_GEN_H */ |